The fluid containing digestive enzymes secreted by the pancreas in response to food in the duodenum.
A peptide hormone of about 27 amino acids from the duodenal mucosa that activates pancreatic secretion and lowers the blood sugar level. (USAN and the USP Dictionary of Drug Names, 1994, p597)
A nodular organ in the ABDOMEN that contains a mixture of ENDOCRINE GLANDS and EXOCRINE GLANDS. The small endocrine portion consists of the ISLETS OF LANGERHANS secreting a number of hormones into the blood stream. The large exocrine portion (EXOCRINE PANCREAS) is a compound acinar gland that secretes several digestive enzymes into the pancreatic ductal system that empties into the DUODENUM.
The liquid secretion of the stomach mucosa consisting of hydrochloric acid (GASTRIC ACID); PEPSINOGENS; INTRINSIC FACTOR; GASTRIN; MUCUS; and the bicarbonate ion (BICARBONATES). (From Best & Taylor's Physiological Basis of Medical Practice, 12th ed, p651)
The proteinaceous component of the pancreatic stone in patients with PANCREATITIS.
A peptide, of about 33 amino acids, secreted by the upper INTESTINAL MUCOSA and also found in the central nervous system. It causes gallbladder contraction, release of pancreatic exocrine (or digestive) enzymes, and affects other gastrointestinal functions. Cholecystokinin may be the mediator of satiety.
A group of amylolytic enzymes that cleave starch, glycogen, and related alpha-1,4-glucans. (Stedman, 25th ed) EC 3.2.1.-.
Pathological processes of the PANCREAS.
Tumors or cancer of the PANCREAS. Depending on the types of ISLET CELLS present in the tumors, various hormones can be secreted: GLUCAGON from PANCREATIC ALPHA CELLS; INSULIN from PANCREATIC BETA CELLS; and SOMATOSTATIN from the SOMATOSTATIN-SECRETING CELLS. Most are malignant except the insulin-producing tumors (INSULINOMA).
INFLAMMATION of the PANCREAS. Pancreatitis is classified as acute unless there are computed tomographic or endoscopic retrograde cholangiopancreatographic findings of CHRONIC PANCREATITIS (International Symposium on Acute Pancreatitis, Atlanta, 1992). The two most common forms of acute pancreatitis are ALCOHOLIC PANCREATITIS and gallstone pancreatitis.
A pancreatic trypsin inhibitor common to all mammals. It is secreted with the zymogens into the pancreatic juice. It is a protein composed of 56 amino acid residues and is different in amino acid composition and physiological activity from the Kunitz bovine pancreatic trypsin inhibitor (APROTININ).
The shortest and widest portion of the SMALL INTESTINE adjacent to the PYLORUS of the STOMACH. It is named for having the length equal to about the width of 12 fingers.
Carcinoma that arises from the PANCREATIC DUCTS. It accounts for the majority of cancers derived from the PANCREAS.
The inactive proenzyme of trypsin secreted by the pancreas, activated in the duodenum via cleavage by enteropeptidase. (Stedman, 25th ed)
The amount of a substance secreted by cells or by a specific organ or organism over a given period of time; usually applies to those substances which are formed by glandular tissues and are released by them into biological fluids, e.g., secretory rate of corticosteroids by the adrenal cortex, secretory rate of gastric acid by the gastric mucosa.
Colipase I and II, consisting of 94-95 and 84-85 amino acid residues, respectively, have been isolated from porcine pancreas. Their role is to prevent the inhibitory effect of bile salts on the lipase-catalyzed intraduodenal hydrolysis of dietary long-chain triglycerides.
An enzyme of the hydrolase class that catalyzes the reaction of triacylglycerol and water to yield diacylglycerol and a fatty acid anion. It is produced by glands on the tongue and by the pancreas and initiates the digestion of dietary fats. (From Dorland, 27th ed) EC 3.1.1.3.
Inorganic salts that contain the -HCO3 radical. They are an important factor in determining the pH of the blood and the concentration of bicarbonate ions is regulated by the kidney. Levels in the blood are an index of the alkali reserve or buffering capacity.
An emulsifying agent produced in the LIVER and secreted into the DUODENUM. Its composition includes BILE ACIDS AND SALTS; CHOLESTEROL; and ELECTROLYTES. It aids DIGESTION of fats in the duodenum.
Ducts that collect PANCREATIC JUICE from the PANCREAS and supply it to the DUODENUM.
Fiberoptic endoscopy designed for duodenal observation and cannulation of VATER'S AMPULLA, in order to visualize the pancreatic and biliary duct system by retrograde injection of contrast media. Endoscopic (Vater) papillotomy (SPHINCTEROTOMY, ENDOSCOPIC) may be performed during this procedure.
INFLAMMATION of the PANCREAS that is characterized by recurring or persistent ABDOMINAL PAIN with or without STEATORRHEA or DIABETES MELLITUS. It is characterized by the irregular destruction of the pancreatic parenchyma which may be focal, segmental, or diffuse.
A plant species of the genus CITRUS, family RUTACEAE that provides the familiar orange fruit which is also a source of orange oil.
The major component (about 80%) of the PANCREAS composed of acinar functional units of tubular and spherical cells. The acinar cells synthesize and secrete several digestive enzymes such as TRYPSINOGEN; LIPASE; AMYLASE; and RIBONUCLEASE. Secretion from the exocrine pancreas drains into the pancreatic ductal system and empties into the DUODENUM.
Acute or chronic INFLAMMATION of the PANCREAS due to excessive ALCOHOL DRINKING. Alcoholic pancreatitis usually presents as an acute episode but it is a chronic progressive disease in alcoholics.
A plant species of the genus CITRUS, family RUTACEAE that produces the familiar grapefruit. There is evidence that grapefruit inhibits CYTOCHROME P-450 CYP3A4, resulting in delayed metabolism and higher blood levels of a variety of drugs.
A specialized proteolytic enzyme secreted by intestinal cells. It converts TRYPSINOGEN into its active form TRYPSIN by removing the N-terminal peptide. EC 3.4.21.9.
An octapeptide hormone present in the intestine and brain. When secreted from the gastric mucosa, it stimulates the release of bile from the gallbladder and digestive enzymes from the pancreas.
A high-molecular-weight protein (approximately 22,500) containing 198 amino acid residues. It is a strong inhibitor of trypsin and human plasmin.
A true cyst of the PANCREAS, distinguished from the much more common PANCREATIC PSEUDOCYST by possessing a lining of mucous EPITHELIUM. Pancreatic cysts are categorized as congenital, retention, neoplastic, parasitic, enterogenous, or dermoid. Congenital cysts occur more frequently as solitary cysts but may be multiple. Retention cysts are gross enlargements of PANCREATIC DUCTS secondary to ductal obstruction. (From Bockus Gastroenterology, 4th ed, p4145)
Chymotrypsinogen is a zymogen, specifically an inactive precursor form of the enzyme chymotrypsin, which is produced in the pancreas and activated in the small intestine to help digest proteins by cleaving specific peptide bonds.
An abnormal concretion occurring mostly in the urinary and biliary tracts, usually composed of mineral salts. Also called stones.
An adenocarcinoma producing mucin in significant amounts. (From Dorland, 27th ed)
Diagnosis of the type and, when feasible, the cause of a pathologic process by means of microscopic study of cells in an exudate or other form of body fluid. (Stedman, 26th ed)
A specific decapeptide obtained from the skin of Hila caerulea, an Australian amphibian. Caerulein is similar in action and composition to CHOLECYSTOKININ. It stimulates gastric, biliary, and pancreatic secretion; and certain smooth muscle. It is used in paralytic ileus and as diagnostic aid in pancreatic malfunction.
A serine endopeptidase that is formed from TRYPSINOGEN in the pancreas. It is converted into its active form by ENTEROPEPTIDASE in the small intestine. It catalyzes hydrolysis of the carboxyl group of either arginine or lysine. EC 3.4.21.4.
The pharmacological result, either desirable or undesirable, of drugs interacting with components of the diet. (From Stedman, 25th ed)

Analysis of the effects of food and of digestive secretions on the small intestine of the rat. 1. Mucosal morphology and epithelial replacement. (1/413)

A modified Roux-en-Y repositioning of rat small intestine was performed so that the proximal segment of bowel (A) received only bile and pancreastic secretions, the second (B) received food direct from the stomach, and these two segments drained into a third (C). Four to five weeks after operation, cell production was assessed by injection of vincristine into operated, sham-operated and unoperated rats, and counts of blocked metaphases were made on isolated microdissected crypts. Villus height, crypt depth, and the number of crypts per villus (crypt/villus ratio) were also measured. Most of segment A showed no significant differences from sham-operated intestine, although the normal proximo-distal gradient of villus height was abolished. At the distal end (near the anastomosis with segments B and C), crypt depth and cell production were increased. The villus height gradient in segment B was also abolished, although crypt depth and cell production were significantly increased, especially at the proximal end. Crypt/villus ratio was also increased. Segment C showed all the characteristics of small bowel promoted to a more proximal position: increased villus height, crypt depth and cell production. Increased crypt/villus ratio was also observed. These results are discussed in terms of the role of food and of digestive secretions in the control of mucosal morphology and epithelial replacement.  (+info)

Immunoreactive pancreatic Reg protein in sera from cystic fibrosis patients with and without pancreatic insufficiency. (2/413)

BACKGROUND: The biological function of the Reg protein, a non-enzymic protein produced in fairly large amounts by pancreatic acinar cells, remains elusive. Its susceptibility to proteolysis leading to precipitation of the proteolysis product at neutral pH suggests that it could contribute to the protein plugging observed in cystic fibrosis (CF). AIMS: To study its behaviour in the serum of CF patients with or without pancreatic insufficiency and to compare it with that of other pancreatic secretory proteins. PATIENTS: 170 patients (93 with CF, 55 controls, and 22 with chronic pancreatitis) were studied. METHODS: Reg protein was measured using a specific enzyme immunoassay and its molecular form in CF sera was characterised by gel filtration. Molecular gene expression was investigated by dot-blot hybridisation. RESULTS: Reg protein was present in all CF sera studied from patients with or without pancreatic insufficiency, and in all cases the level was significantly higher than in controls. Its chromatographic behaviour in CF sera was identical with that of the protein present in normal serum. No correlation was found between the levels of Reg protein and trypsin(ogen) (or lipase) in CF, nor in control sera or normal pancreatic juice. Molecular gene expression of the corresponding proteins investigated in pancreatic tissues showed an absence of correlation between the mRNA levels. CONCLUSIONS: Reg protein may not be a secretory exocrine protein like the digestive enzymes but rather a hormone-like secretory substance with an endocrine or paracrine function.  (+info)

COOH-terminally extended secretins are potent stimulants of pancreatic secretion. (3/413)

Posttranslational processing of preprosecretin generates several COOH-terminally extended forms of secretin and alpha-carboxyl amidated secretin. We used synthetic canine secretin analogs with COOH-terminal -amide, -Gly, or -Gly-Lys-Arg to examine the effects of COOH-terminal extensions of secretin on bioactivity and detection in RIA. Synthetic products were purified by reverse-phase and ion-exchange HPLC and characterized by reverse-phase isocratic HPLC and amino acid, sequence, and mass spectral analyses. Secretin and secretin-Gly were noted to coelute during reverse-phase HPLC. In RIA using eight different antisera raised against amidated secretin, COOH-terminally extended secretins had little or no cross-reactivity. Bioactivity was assessed by measuring pancreatic responses in anesthetized rats. Amidated canine and porcine secretins were equipotent. Secretin-Gly and secretin-Gly-Lys-Arg had potencies of 81 +/- 9% (P > 0.05) and 176 +/- 13% (P < 0.01), respectively, compared with amidated secretin, and the response to secretin-Gly-Lys-Arg lasted significantly longer. These data demonstrate that 1) amidated secretin and secretin-Gly are not separable under some chromatographic conditions, 2) current RIA may not detect bioactive COOH-terminally extended forms of secretin in tissue extracts or blood, and 3) the secretin receptor mediating stimulation of pancreatic secretion recognizes both amidated and COOH-terminally extended secretins.  (+info)

Detection of mutations of p53 tumor suppressor gene in pancreatic juice and its application to diagnosis of patients with pancreatic cancer: comparison with K-ras mutation. (4/413)

Because of the difficulty in obtaining biopsy specimens from pancreatic cancer patients, K-ras mutation analysis in pancreatic juice has been used for specific diagnosis. But recently, false positives have been obtained with this method. To improve the genetic diagnosis of pancreatic cancer, detection of p53 gene mutation in pancreatic juice was studied. Pancreatic juice was sampled endoscopically. Single-strand conformation polymorphism analysis was used for p53 mutation analysis. Furthermore, K-ras mutations at codon 12 were also studied in the same pancreatic cancer patients. Of 26 cases of pancreatic cancer, p53 mutations were detected in 11 (42.3%). No mutations were seen in the cases with mucin-producing adenoma nor with chronic pancreatitis. K-ras mutations were detected in 84.0% of cases by RFLP analysis, which has high sensitivity, and in 65.3% by hybridization protection assay, which has high specificity. Using a combination assay with both genes, genetic abnormalities were detected in 92.0% by RFLP and 73.1% by hybridization protection assay including two cases in which p53 alone was positive by both methods. The specificity of p53 mutation for pancreatic cancer is very high. Therefore, simultaneous analysis of p53 and K-ras mutation is suggested to enhance the genetic diagnosis of pancreatic cancer.  (+info)

Pharmacokinetics of 5-fluorouracil and its penetration into pancreatic juice in dogs. (5/413)

AIM: To study the pharmacokinetic behavior of 5-fluorouracil (5-FU) in pancreatic juice in dogs and its correlation with 5-FU in plasma, and to evaluate its penetration characteristics. METHODS: After placing a pancreatico-drainage tube, 8 dogs were injected 5-FU 250 mg i.v. Blood and pancreatic samples were collected and the 5-FU concentrations were determined by HPLC. The pharmacokinetic parameters were obtained with statistical analysis. RESULTS: The mean slopes of the terminal phase (K10) in plasma and pancreatic juice were 9.4 h-1 and 10.2 h-1, respectively (P > 0.05). The pharmacokinetic behaviors of 5-FU in plasma and pancreatic juice fitted a nonlinear model. Its penetration index was 3.39 +/- 2.84. The penetration of 5-FU from blood to pancreatic juice was relatively rapid, demonstrating a consistently higher concentration in pancreatic juice than in plasma. CONCLUSIONS: The elimination phase of 5-FU in plasma was similar to that in pancreatic juice, indicating that they were in the same kinetic compartment.  (+info)

Electrical physiological evidence for highand low-affinity vagal CCK-A receptors. (6/413)

We have demonstrated that under physiological conditions CCK acts through vagal high-affinity CCK-A receptors to mediate pancreatic secretion. In this study, we evaluated the vagal afferent response to endogenous CCK in rats and defined the CCK-receptor affinity states and the vagal-receptive field responsive to CCK stimulation using electrophysiological studies. Experiments were performed on anesthetized rats prepared with bile-pancreatic fistula. Plasma CCK levels were elevated by diverting bile-pancreatic juice (BPJ). The single-unit discharge of sensory neurons supplying the gastrointestinal tract was recorded from the nodose ganglia. All units studied were either silent or they had a very low resting discharge frequency. Thirty-two single units were studied extensively; seven were shown to be stimulated by diversion of BPJ (2.6 +/- 2 impulses/min at basal to 40 +/- 12 impulses/min after diversion). Acute subdiaphragmatic vagotomy or perivagal capsaicin treatment abolished the response. The CCK-A-receptor antagonist CR-1409, but not the CCK-B antagonist L-365260, blocked the vagal response to endogenous CCK stimulation. Infusion of the low-affinity CCK-receptor antagonist CCK-JMV-180 completely blocked the vagal afferent response to the diversion of BPJ in three of seven rats tested but had no effect on the response in the remaining four. In a separate study, we demonstrated that gastric, celiac, or hepatic branch vagotomy abolished the response in different subgroups of neurons. In conclusion, under physiological conditions, CCK acts on both high- and low-affinity CCK-A receptors present on distinct vagal afferent fibers. The vagal CCK-receptor field includes the regions innervated by the gastric, celiac, and hepatic vagal branches. This study provides electrophysiological evidence that vagal CCK receptors are present on the vagal gastric, celiac, and hepatic branches and may occur in high- and low-affinity states.  (+info)

Stimulative effect of a casein hydrolysate on exocrine pancreatic secretion that is independent of luminal trypsin inhibitory activity in rats. (7/413)

We have previously demonstrated that proteins could stimulate pancreatic secretion independently of luminal bile-pancreatic juice (BPJ) in a BPJ-diverted rat. To determine whether luminal protease-independent pancreatic secretion occurs in normal rats with BPJ returned to the upper small intestine, we investigated the pancreatic secretory response to intraduodenal instillation of a casein hydrolysate or the synthetic trypsin inhibitor, FOY 305, at concentrations which could almost equally inhibit hydrolysis of the synthetic substrate for trypsin with the luminal content. FOY 305 at 10 micrograms/ml and casein hydrolysate solutions at both 100 and 200 mg/ml similarly inhibited approx. 80% of the tryptic activity in the luminal contents of the proximal small intestine. Intraduodenal administration of casein hydrolysate solutions (100 and 200 mg/ml) significantly increased pancreatic secretion in a dose-dependent manner. However, intraduodenal administration of FOY 305 (10 micrograms/ml) was ineffective for stimulating pancreatic secretion. These results demonstrate that dietary protein enhances pancreatic secretion independently of the masking of luminal trypsin activity in rats.  (+info)

Canine pancreatic juice stimulates the release of secretin and pancreatic secretion in the dog. (8/413)

A secretin-releasing factor (SRF) was found in canine pancreatic juice that increases plasma secretin and stimulates pancreatic secretion in rats, suggesting that a positive feedback mechanism may be involved in the regulation of pancreatic secretion. In the present study, we investigated to determine whether or not SRF releases endogenous secretin and stimulates exocrine pancreatic secretion in conscious dogs. Fresh pancreatic juice was collected from four dogs by intravenous administration of secretin at 0.5 microg. kg(-1). h(-1) and CCK at 0.2 microg. kg(-1). h. The juice was boiled for 10 min at 100 degrees C. Experiments were carried out in phase I of spontaneous cycle of interdigestive pancreatic secretion. The testing solutions were infused intraduodenally in separate experiments: NaHCO3 solution (0.1 M, 4.5 ml/min, 60 min), a corn oil (Lipomul, 2 ml/min, 10 min), boiled pancreatic juice (BPJ, 4.5 ml/min, 60 min), and mixture of BPJ and Lipomul. Pancreatic secretion of fluid and bicarbonate was significantly increased by either BPJ or a mixture of BPJ and Lipomul (34- and 31-fold or 41- and 38-fold, respectively). Plasma secretin level also significantly increased by 164.7 +/- 13.4% and 223.1 +/- 35.0%, respectively, from basal concentration of 1.7 +/- 0.5 pM. In contrast, neither bicarbonate solution nor Lipomul influenced the plasma secretin level or pancreatic secretion. In addition, when Lipomul was incubated with BPJ, no fatty acid was produced. Thus the increased pancreatic secretion in the dog infused with a combination of BPJ and Lipomul was caused by SRF in BPJ, which released endogenous secretin. Moreover, the increases by BPJ of both plasma secretin level and bicarbonate secretion were completely blocked by intravenous administration of an antisecretin antibody in these dogs. The observations suggest that SRF in pancreatic juice exerts a positive feedback effect on exocrine pancreatic secretion that is mediated by the release of secretin in the interdigestive state in dogs.  (+info)

Pancreatic juice is an alkaline fluid secreted by the exocrine component of the pancreas, primarily containing digestive enzymes such as amylase, lipase, and trypsin. These enzymes aid in the breakdown of carbohydrates, fats, and proteins, respectively, in the small intestine during the digestion process. The bicarbonate ions present in pancreatic juice help neutralize the acidic chyme that enters the duodenum from the stomach, creating an optimal environment for enzymatic activity.

Secretin is a hormone that is produced and released by the S cells in the duodenum, which is the first part of the small intestine. It is released in response to the presence of acidic chyme (partially digested food) entering the duodenum from the stomach. Secretin stimulates the pancreas to produce bicarbonate-rich alkaline secretions, which help neutralize the acidity of the chyme and create an optimal environment for enzymatic digestion in the small intestine.

Additionally, secretin also promotes the production of watery fluids from the liver, which aids in the digestion process. Overall, secretin plays a crucial role in maintaining the pH balance and facilitating proper nutrient absorption in the gastrointestinal tract.

The pancreas is a glandular organ located in the abdomen, posterior to the stomach. It has both exocrine and endocrine functions. The exocrine portion of the pancreas consists of acinar cells that produce and secrete digestive enzymes into the duodenum via the pancreatic duct. These enzymes help in the breakdown of proteins, carbohydrates, and fats in food.

The endocrine portion of the pancreas consists of clusters of cells called islets of Langerhans, which include alpha, beta, delta, and F cells. These cells produce and secrete hormones directly into the bloodstream, including insulin, glucagon, somatostatin, and pancreatic polypeptide. Insulin and glucagon are critical regulators of blood sugar levels, with insulin promoting glucose uptake and storage in tissues and glucagon stimulating glycogenolysis and gluconeogenesis to raise blood glucose when it is low.

Gastric juice is a digestive fluid that is produced in the stomach. It is composed of several enzymes, including pepsin, which helps to break down proteins, and gastric amylase, which begins the digestion of carbohydrates. Gastric juice also contains hydrochloric acid, which creates a low pH environment in the stomach that is necessary for the activation of pepsin and the digestion of food. Additionally, gastric juice contains mucus, which helps to protect the lining of the stomach from the damaging effects of the hydrochloric acid. The production of gastric juice is controlled by hormones and the autonomic nervous system.

Lithostathine is a protein that is primarily produced in the pancreas. It is a component of pancreatic stones or calculi, also known as pancreatic lithiasis. These stones can cause blockages in the pancreatic ducts, leading to inflammation (pancreatitis) and damage to the pancreas. Lithostathine is believed to play a role in the formation of these stones, although the exact mechanisms are not fully understood. It's worth noting that the medical literature might use the term "lithostathine" or "pancreatic lithostathine" to refer to this protein.

Cholecystokinin (CCK) is a hormone that is produced in the duodenum (the first part of the small intestine) and in the brain. It is released into the bloodstream in response to food, particularly fatty foods, and plays several roles in the digestive process.

In the digestive system, CCK stimulates the contraction of the gallbladder, which releases bile into the small intestine to help digest fats. It also inhibits the release of acid from the stomach and slows down the movement of food through the intestines.

In the brain, CCK acts as a neurotransmitter and has been shown to have effects on appetite regulation, mood, and memory. It may play a role in the feeling of fullness or satiety after eating, and may also be involved in anxiety and panic disorders.

CCK is sometimes referred to as "gallbladder-stimulating hormone" or "pancreozymin," although these terms are less commonly used than "cholecystokinin."

Amylases are enzymes that break down complex carbohydrates, such as starch and glycogen, into simpler sugars like maltose, glucose, and maltotriose. There are several types of amylases found in various organisms, including humans.

In humans, amylases are produced by the pancreas and salivary glands. Pancreatic amylase is released into the small intestine where it helps to digest dietary carbohydrates. Salivary amylase, also known as alpha-amylase, is secreted into the mouth and begins breaking down starches in food during chewing.

Deficiency or absence of amylases can lead to difficulties in digesting carbohydrates and may cause symptoms such as bloating, diarrhea, and abdominal pain. Elevated levels of amylase in the blood may indicate conditions such as pancreatitis, pancreatic cancer, or other disorders affecting the pancreas.

Pancreatic diseases refer to a group of medical conditions that affect the structure and function of the pancreas, a vital organ located in the abdomen. The pancreas has two main functions: an exocrine function, which involves the production of digestive enzymes that help break down food in the small intestine, and an endocrine function, which involves the production of hormones such as insulin and glucagon that regulate blood sugar levels.

Pancreatic diseases can be broadly classified into two categories: inflammatory and non-inflammatory. Inflammatory pancreatic diseases include conditions such as acute pancreatitis, which is characterized by sudden inflammation of the pancreas, and chronic pancreatitis, which is a long-term inflammation that can lead to scarring and loss of function.

Non-inflammatory pancreatic diseases include conditions such as pancreatic cancer, which is a malignant tumor that can arise from the cells of the pancreas, and benign tumors such as cysts or adenomas. Other non-inflammatory conditions include pancreatic insufficiency, which can occur when the pancreas does not produce enough digestive enzymes, and diabetes mellitus, which can result from impaired insulin production or action.

Overall, pancreatic diseases can have serious consequences on a person's health and quality of life, and early diagnosis and treatment are essential for optimal outcomes.

Pancreatic neoplasms refer to abnormal growths in the pancreas that can be benign or malignant. The pancreas is a gland located behind the stomach that produces hormones and digestive enzymes. Pancreatic neoplasms can interfere with the normal functioning of the pancreas, leading to various health complications.

Benign pancreatic neoplasms are non-cancerous growths that do not spread to other parts of the body. They are usually removed through surgery to prevent any potential complications, such as blocking the bile duct or causing pain.

Malignant pancreatic neoplasms, also known as pancreatic cancer, are cancerous growths that can invade and destroy surrounding tissues and organs. They can also spread (metastasize) to other parts of the body, such as the liver, lungs, or bones. Pancreatic cancer is often aggressive and difficult to treat, with a poor prognosis.

There are several types of pancreatic neoplasms, including adenocarcinomas, neuroendocrine tumors, solid pseudopapillary neoplasms, and cystic neoplasms. The specific type of neoplasm is determined through various diagnostic tests, such as imaging studies, biopsies, and blood tests. Treatment options depend on the type, stage, and location of the neoplasm, as well as the patient's overall health and preferences.

Pancreatitis is a medical condition characterized by inflammation of the pancreas, a gland located in the abdomen that plays a crucial role in digestion and regulating blood sugar levels. The inflammation can be acute (sudden and severe) or chronic (persistent and recurring), and it can lead to various complications if left untreated.

Acute pancreatitis often results from gallstones or excessive alcohol consumption, while chronic pancreatitis may be caused by long-term alcohol abuse, genetic factors, autoimmune conditions, or metabolic disorders like high triglyceride levels. Symptoms of acute pancreatitis include severe abdominal pain, nausea, vomiting, fever, and increased heart rate, while chronic pancreatitis may present with ongoing abdominal pain, weight loss, diarrhea, and malabsorption issues due to impaired digestive enzyme production. Treatment typically involves supportive care, such as intravenous fluids, pain management, and addressing the underlying cause. In severe cases, hospitalization and surgery may be necessary.

Trypsin Inhibitor, Kazal Pancreatic is a type of protein that is produced in the pancreas and functions as an inhibitor to trypsin, which is a proteolytic enzyme involved in digestion. Specifically, this inhibitor belongs to the Kazal-type serine protease inhibitors. It helps regulate the activity of trypsin within the pancreas, preventing premature activation and potential damage to pancreatic tissue. Any imbalance or deficiency in this inhibitor can lead to pancreatic diseases such as pancreatitis.

The duodenum is the first part of the small intestine, immediately following the stomach. It is a C-shaped structure that is about 10-12 inches long and is responsible for continuing the digestion process that begins in the stomach. The duodenum receives partially digested food from the stomach through the pyloric valve and mixes it with digestive enzymes and bile produced by the pancreas and liver, respectively. These enzymes help break down proteins, fats, and carbohydrates into smaller molecules, allowing for efficient absorption in the remaining sections of the small intestine.

Pancreatic ductal carcinoma (PDC) is a specific type of cancer that forms in the ducts that carry digestive enzymes out of the pancreas. It's the most common form of exocrine pancreatic cancer, making up about 90% of all cases.

The symptoms of PDC are often vague and can include abdominal pain, jaundice (yellowing of the skin and eyes), unexplained weight loss, and changes in bowel movements. These symptoms can be similar to those caused by other less serious conditions, which can make diagnosis difficult.

Pancreatic ductal carcinoma is often aggressive and difficult to treat. The prognosis for PDC is generally poor, with a five-year survival rate of only about 9%. Treatment options may include surgery, chemotherapy, radiation therapy, or a combination of these approaches. However, because PDC is often not detected until it has advanced, treatment is frequently focused on palliative care to relieve symptoms and improve quality of life.

Trypsinogen is a precursor protein that is converted into the enzyme trypsin in the small intestine. It is produced by the pancreas and released into the duodenum, where it is activated by enterokinase, an enzyme produced by the intestinal mucosa. Trypsinogen plays a crucial role in digestion by helping to break down proteins into smaller peptides and individual amino acids.

In medical terms, an elevated level of trypsinogen in the blood may indicate pancreatic disease or injury, such as pancreatitis or pancreatic cancer. Therefore, measuring trypsinogen levels in the blood is sometimes used as a diagnostic tool to help identify these conditions.

Secretory rate refers to the amount or volume of a secretion produced by a gland or an organ over a given period of time. It is a measure of the productivity or activity level of the secreting structure. The secretory rate can be quantified for various bodily fluids, such as saliva, sweat, digestive enzymes, hormones, or milk, depending on the context and the specific gland or organ being studied.

In clinical settings, measuring the secretory rate might involve collecting and analyzing samples over a certain duration to estimate the production rate of the substance in question. This information can be helpful in diagnosing conditions related to impaired secretion, monitoring treatment responses, or understanding the physiological adaptations of the body under different circumstances.

Colipases are small protein enzymes that activate and work together with pancreatic lipases to digest dietary fats in the small intestine. They are produced by the pancreas and secreted into the duodenum as part of the pancreatic juice. Colipases help to stabilize and orient the lipase enzyme on the surface of fat droplets, allowing it to efficiently hydrolyze triacylglycerols into monoacylglycerols, free fatty acids, and glycerol. This process is crucial for the absorption of dietary fats in the human body.

Lipase is an enzyme that is produced by the pancreas and found in the digestive system of most organisms. Its primary function is to catalyze the hydrolysis of fats (triglycerides) into smaller molecules, such as fatty acids and glycerol, which can then be absorbed by the intestines and utilized for energy or stored for later use.

In medical terms, lipase levels in the blood are often measured to diagnose or monitor conditions that affect the pancreas, such as pancreatitis (inflammation of the pancreas), pancreatic cancer, or cystic fibrosis. Elevated lipase levels may indicate damage to the pancreas and its ability to produce digestive enzymes.

Bicarbonates, also known as sodium bicarbonate or baking soda, is a chemical compound with the formula NaHCO3. In the context of medical definitions, bicarbonates refer to the bicarbonate ion (HCO3-), which is an important buffer in the body that helps maintain normal pH levels in blood and other bodily fluids.

The balance of bicarbonate and carbonic acid in the body helps regulate the acidity or alkalinity of the blood, a condition known as pH balance. Bicarbonates are produced by the body and are also found in some foods and drinking water. They work to neutralize excess acid in the body and help maintain the normal pH range of 7.35 to 7.45.

In medical testing, bicarbonate levels may be measured as part of an electrolyte panel or as a component of arterial blood gas (ABG) analysis. Low bicarbonate levels can indicate metabolic acidosis, while high levels can indicate metabolic alkalosis. Both conditions can have serious consequences if not treated promptly and appropriately.

Bile is a digestive fluid that is produced by the liver and stored in the gallbladder. It plays an essential role in the digestion and absorption of fats and fat-soluble vitamins in the small intestine. Bile consists of bile salts, bilirubin, cholesterol, phospholipids, electrolytes, and water.

Bile salts are amphipathic molecules that help to emulsify fats into smaller droplets, increasing their surface area and allowing for more efficient digestion by enzymes such as lipase. Bilirubin is a breakdown product of hemoglobin from red blood cells and gives bile its characteristic greenish-brown color.

Bile is released into the small intestine in response to food, particularly fats, entering the digestive tract. It helps to break down large fat molecules into smaller ones that can be absorbed through the walls of the intestines and transported to other parts of the body for energy or storage.

The pancreatic ducts are a set of tubular structures within the pancreas that play a crucial role in the digestive system. The main pancreatic duct, also known as the duct of Wirsung, is responsible for transporting pancreatic enzymes and bicarbonate-rich fluid from the pancreas to the duodenum, which is the first part of the small intestine.

The exocrine portion of the pancreas contains numerous smaller ducts called interlobular ducts and intralobular ducts that merge and ultimately join the main pancreatic duct. This system ensures that the digestive enzymes and fluids produced by the pancreas are effectively delivered to the small intestine, where they aid in the breakdown and absorption of nutrients from food.

In addition to the main pancreatic duct, there is an accessory pancreatic duct, also known as Santorini's duct, which can sometimes join the common bile duct before emptying into the duodenum through a shared opening called the ampulla of Vater. However, in most individuals, the accessory pancreatic duct usually drains into the main pancreatic duct before entering the duodenum.

Endoscopic retrograde cholangiopancreatography (ERCP) is a medical procedure that combines upper gastrointestinal (GI) endoscopy and fluoroscopy to diagnose and treat certain problems of the bile ducts and pancreas.

During ERCP, a flexible endoscope (a long, thin, lighted tube with a camera on the end) is passed through the patient's mouth and throat, then through the stomach and into the first part of the small intestine (duodenum). A narrow plastic tube (catheter) is then inserted through the endoscope and into the bile ducts and/or pancreatic duct. Contrast dye is injected through the catheter, and X-rays are taken to visualize the ducts.

ERCP can be used to diagnose a variety of conditions affecting the bile ducts and pancreas, including gallstones, tumors, strictures (narrowing of the ducts), and chronic pancreatitis. It can also be used to treat certain conditions, such as removing gallstones from the bile duct or placing stents to keep the ducts open in cases of stricture.

ERCP is an invasive procedure that carries a risk of complications, including pancreatitis, infection, bleeding, and perforation (a tear in the lining of the GI tract). It should only be performed by experienced medical professionals in a hospital setting.

Chronic pancreatitis is a long-standing inflammation of the pancreas that leads to irreversible structural changes and impaired function of the pancreas. It is characterized by recurrent or persistent abdominal pain, often radiating to the back, and maldigestion with steatorrhea (fatty stools) due to exocrine insufficiency. The pancreatic damage results from repeated episodes of acute pancreatitis, alcohol abuse, genetic predisposition, or autoimmune processes. Over time, the pancreas may lose its ability to produce enough digestive enzymes and hormones like insulin, which can result in diabetes mellitus. Chronic pancreatitis also increases the risk of developing pancreatic cancer.

'Citrus sinensis' is the scientific name for the fruit species more commonly known as sweet oranges. These are popular fruits that belong to the Rutaceae family and have originated in Southeast Asia. Sweet oranges are widely cultivated and consumed all over the world, both fresh and as juice. They have a sweet taste and juicy pulp, enclosed in a thick and fragrant orange-colored peel. Some well-known varieties of 'Citrus sinensis' include Navel, Valencia, and Blood oranges.

The exocrine portion of the pancreas refers to the part that releases digestive enzymes into the duodenum, which is the first section of the small intestine. These enzymes help in the breakdown of proteins, fats, and carbohydrates in food, enabling their absorption and utilization by the body.

The exocrine pancreas is made up of acinar cells that cluster together to form acini (singular: acinus), which are small sac-like structures. When stimulated by hormones such as secretin and cholecystokinin, these acinar cells release digestive enzymes like amylase, lipase, and trypsin into a network of ducts that ultimately merge into the main pancreatic duct. This duct then joins the common bile duct, which carries bile from the liver and gallbladder, before emptying into the duodenum.

It is important to note that the pancreas has both exocrine and endocrine functions. The endocrine portion of the pancreas consists of the islets of Langerhans, which release hormones like insulin and glucagon directly into the bloodstream, regulating blood sugar levels.

Alcoholic pancreatitis is a specific type of pancreatitis, which is inflammation of the pancreas. This condition is caused by excessive and prolonged consumption of alcohol. The exact mechanism by which alcohol induces pancreatitis is not fully understood, but it is believed that alcohol causes damage to the cells of the pancreas, leading to inflammation. This can result in abdominal pain, nausea, vomiting, fever, and increased heart rate. Chronic alcoholic pancreatitis can also lead to serious complications such as diabetes, malnutrition, and pancreatic cancer. Treatment typically involves supportive care, such as hydration, pain management, and nutritional support, along with abstinence from alcohol. In severe cases, surgery may be necessary to remove damaged tissue or to relieve blockages in the pancreas.

'Citrus paradisi' is the scientific name for a citrus fruit also known as the grapefruit. Grapefruits are a hybrid of pomelo and orange, believed to have originated in Barbados in the 18th century. They are known for their tangy, slightly bitter taste and juicy pulp.

Grapefruits are popular for their nutritional benefits as they are high in vitamin C, fiber, and antioxidants like lycopene and flavonoids. Some studies suggest that consuming grapefruit may help with weight loss, reduce the risk of certain cancers, and improve heart health. However, it's important to note that grapefruits can interact with certain medications, so it's always best to consult with a healthcare provider before adding them to your diet if you are taking medication.

Enteropeptidase, also known as enterokinase, is an enzyme that is produced by the intestinal brush border cells. Its primary function is to activate other digestive enzymes, most notably trypsinogen, which is a precursor to the digestive enzyme trypsin.

Trypsinogen is inactive until it is cleaved by enteropeptidase, which removes a small peptide from the N-terminus of the molecule, activating it and allowing it to participate in protein digestion. Enteropeptidase also plays a role in activating other zymogens, such as chymotrypsinogen and procarboxypeptidases, which are involved in the breakdown of proteins and peptides in the small intestine.

Deficiency or absence of enteropeptidase can lead to malabsorption and impaired digestion, as the activation of other digestive enzymes is hindered.

Sincalide is a synthetic hormone that stimulates the contraction of the gallbladder and the release of digestive enzymes from the pancreas. It is used in diagnostic procedures to help diagnose conditions such as gallstones or obstructions of the bile ducts.

Sincalide is a synthetic form of cholecystokinin (CCK), a hormone that is naturally produced in the body and stimulates the contraction of the gallbladder and the release of digestive enzymes from the pancreas. When sincalide is administered, it mimics the effects of CCK and causes the gallbladder to contract and release bile into the small intestine. This can help doctors see if there are any obstructions or abnormalities in the bile ducts or gallbladder.

Sincalide is usually given as an injection, and its effects can be monitored through imaging tests such as ultrasound or CT scans. It is important to note that sincalide should only be used under the supervision of a healthcare professional, as it can cause side effects such as abdominal pain, nausea, and vomiting.

Trypsin inhibitor, Kunitz soybean, also known as Bowman-Birk inhibitor, is a type of protease inhibitor found in soybeans. It is a small protein molecule that inhibits the activity of trypsin, a digestive enzyme that helps break down proteins in the body. The Kunitz soybean trypsin inhibitor has two binding sites for trypsin and is resistant to digestion, making it biologically active in the gastrointestinal tract. It can inhibit the absorption of trypsin and regulate its activity, which may have implications for protein digestion and the regulation of certain physiological processes.

A pancreatic cyst is a fluid-filled sac that forms in the pancreas, a gland located behind the stomach that produces enzymes to help with digestion and hormones to regulate blood sugar levels. Pancreatic cysts can be classified into several types, including congenital (present at birth), retention (formed due to blockage of pancreatic ducts), and pseudocysts (formed as a result of injury or inflammation).

While some pancreatic cysts may not cause any symptoms, others can lead to abdominal pain, bloating, nausea, vomiting, or jaundice. Some cysts may also have the potential to become cancerous over time. Therefore, it is essential to monitor and evaluate pancreatic cysts through imaging tests such as ultrasound, CT scan, or MRI, and in some cases, endoscopic ultrasound (EUS) with fine-needle aspiration (FNA) may be necessary for further evaluation.

Treatment options for pancreatic cysts depend on the type, size, location, and symptoms of the cyst, as well as the patient's overall health condition. Some cysts may require surgical removal, while others can be managed with regular monitoring and follow-up care. It is essential to consult a healthcare provider for proper evaluation and management of pancreatic cysts.

Chymotrypsinogen is the inactive precursor form of the enzyme chymotrypsin, which is produced in the pancreas and plays a crucial role in digesting proteins in the small intestine. This zymogen is activated when it is cleaved by another protease called trypsin, resulting in the formation of the active enzyme chymotrypsin. Chymotrypsinogen is synthesized and stored in the pancreas as a proenzyme to prevent premature activation and potential damage to the pancreatic tissue. Once released into the small intestine, trypsin-mediated cleavage of chymotrypsinogen leads to the formation of chymotrypsin, which then contributes to protein breakdown and absorption in the gut.

"Calculi" is a medical term that refers to abnormal concretions or hard masses formed within the body, usually in hollow organs or cavities. These masses are typically composed of minerals such as calcium oxalate, calcium phosphate, or magnesium ammonium phosphate, and can vary in size from tiny granules to large stones. The plural form of the Latin word "calculus" (meaning "pebble"), calculi are commonly known as "stones." They can occur in various locations within the body, including the kidneys, gallbladder, urinary bladder, and prostate gland. The presence of calculi can cause a range of symptoms, such as pain, obstruction, infection, or inflammation, depending on their size, location, and composition.

Adenocarcinoma, mucinous is a type of cancer that begins in the glandular cells that line certain organs and produce mucin, a substance that lubricates and protects tissues. This type of cancer is characterized by the presence of abundant pools of mucin within the tumor. It typically develops in organs such as the colon, rectum, lungs, pancreas, and ovaries.

Mucinous adenocarcinomas tend to have a distinct appearance under the microscope, with large pools of mucin pushing aside the cancer cells. They may also have a different clinical behavior compared to other types of adenocarcinomas, such as being more aggressive or having a worse prognosis in some cases.

It is important to note that while a diagnosis of adenocarcinoma, mucinous can be serious, the prognosis and treatment options may vary depending on several factors, including the location of the cancer, the stage at which it was diagnosed, and the individual's overall health.

Cytodiagnosis is the rapid, initial evaluation and diagnosis of a disease based on the examination of individual cells obtained from a body fluid or tissue sample. This technique is often used in cytopathology to investigate abnormalities such as lumps, bumps, or growths that may be caused by cancerous or benign conditions.

The process involves collecting cells through various methods like fine-needle aspiration (FNA), body fluids such as urine, sputum, or washings from the respiratory, gastrointestinal, or genitourinary tracts. The collected sample is then spread onto a microscope slide, stained, and examined under a microscope for abnormalities in cell size, shape, structure, and organization.

Cytodiagnosis can provide crucial information to guide further diagnostic procedures and treatment plans. It is often used as an initial screening tool due to its speed, simplicity, and cost-effectiveness compared to traditional histopathological methods that require tissue biopsy and more extensive processing. However, cytodiagnosis may not always be able to distinguish between benign and malignant conditions definitively; therefore, additional tests or follow-up evaluations might be necessary for a conclusive diagnosis.

Ceruletide is a synthetic analog of the natural hormone cholecystokinin (CCK). It is a decapeptide with the following sequence: cyclo(D-Asp-Tic-Phe-Ser-Leu-Hand-Ala-Lys-Thr-Nle-NH2).

Ceruletide has several pharmacological actions, including stimulation of the release of digestive enzymes from the pancreas, contraction of the gallbladder and sphincter of Oddi, and inhibition of gastric acid secretion. It is used in clinical medicine for diagnostic purposes to test the motor function of the biliary tract and to diagnose gastrointestinal motility disorders.

Ceruletide has also been investigated as a potential treatment for certain conditions such as pancreatitis, gallstones, and intestinal obstruction, but its use is limited due to its side effects, which include nausea, vomiting, abdominal cramps, and diarrhea.

Trypsin is a proteolytic enzyme, specifically a serine protease, that is secreted by the pancreas as an inactive precursor, trypsinogen. Trypsinogen is converted into its active form, trypsin, in the small intestine by enterokinase, which is produced by the intestinal mucosa.

Trypsin plays a crucial role in digestion by cleaving proteins into smaller peptides at specific arginine and lysine residues. This enzyme helps to break down dietary proteins into amino acids, allowing for their absorption and utilization by the body. Additionally, trypsin can activate other zymogenic pancreatic enzymes, such as chymotrypsinogen and procarboxypeptidases, thereby contributing to overall protein digestion.

A food-drug interaction is a reaction that occurs when the pharmacological effects of a drug are altered by concurrently consuming a certain food or beverage. This interaction can result in an enhanced or reduced drug effect, and it may change the absorption, distribution, metabolism, or excretion of the drug.

Some food-drug interactions can lead to increased side effects, decreased effectiveness of the medication, or even toxicity. For example, consuming grapefruit juice with certain medications such as statins, calcium channel blockers, and benzodiazepines can increase their blood levels and result in adverse reactions.

It is essential to be aware of potential food-drug interactions and follow the recommended guidelines for medication use, including any specific dietary restrictions or recommendations provided by healthcare professionals.

... allowing detection of pancreatic pathology, especially cancer not yet visible on medical imaging.. Pancreatic juice is secreted ... "Optimization of Pancreatic Juice Collection: A First Step Toward Biomarker Discovery and Early Detection of Pancreatic Cancer ... Pancreatic juice is alkaline in nature due to the high concentration of bicarbonate ions. Bicarbonate is useful in neutralizing ... Pancreatic juice is a liquid secreted by the pancreas, which contains a number of digestive enzymes, including trypsinogen, ...
"The source of pancreatic juice bicarbonate." Journal of Biological Chemistry 140 (1941): 119-129. Tucker, Helen F.; Ball, Eric ... "The Source of Pancreatic Juice Bicarbonate" (1941, with Eric G. Ball, A. K. Solomon, and Birgit Vennesland) "The Activity of ... "The Activity of Carbonic Anydrase in Relation to the Secretion and Composition of Pancreatic Juice". The Journal of Biological ... Carbonic Anydrase in Relation to the Secretion and Composition of Pancreatic Juice" (1941, with Eric G. Ball) Tucker died in ...
Hyun J, Kothari H, Herm E, Mortenson J, Treadwell CR, Vahouny GV (1969). "Purification and properties of pancreatic juice ...
He studied bile and pancreatic juices. Some of this work was done with Friedrich Bidder. He studied chemical changes in blood ... He discovered hydrochloric acid in gastric juice and its chemical interaction with pepsin. ...
Fatal effect of the total loss of pancreatic juice. Proc. Soc. Exp. Biol. Med., 28:110-11. 1931 With M. L. Montgomery, J. C. ... On the corrosive properties of bile and pancreatic juice on living tissue in dogs. Arch. Surg., 108:680-84. 1976 With J. B. ... Gastric juice in duodenal and gastric ulcers. J. Am. Med. Assoc, 68:330-33. With J. J. Moorhead and F. W. Burcky. An ... Arteriosclerosis in pancreatic diabetes. Surgery, 8:353-61. 1942 With C. Vermeulen, D. E. Clark, O. C. Julian, and J. G. Allen ...
"Identification of pancreatic juice proteins as biomarkers of pancreatic cancer". Oncology Reports. 23 (6): 1683-92. doi:10.3892 ... "Protein profiling of human pancreatic islets by two-dimensional gel electrophoresis and mass spectrometry". Journal of Proteome ...
Gabriel Gustav Valentin notes the digestive activity of pancreatic juice. George Robert Gray begins publication in London of ...
Its function is to complete the process begun by pancreatic juice; the enzyme trypsin exists in pancreatic juice in the ... Intestinal juice (also called succus entericus) refers to the clear to pale yellow watery secretions from the glands lining the ... Colipase is necessary, along with bile salts, to enable lipase function.[citation needed] Intestinal juice also contains ... inactive form trypsinogen, it is activated by the intestinal enterokinase in intestinal juice. Trypsin can then activate other ...
It is produced by the pancreas and found in pancreatic juice, along with amylase, lipase, and chymotrypsinogen. It is cleaved ... Three isoforms of trypsinogens may be found in human pancreatic juice. These are the cationic, anionic, and meso trypsinogen, ... Trypsinogen is released by the pancreas into the second part of the duodenum, via the pancreatic duct, along with other ... Premature trypsin activation can be destructive and may trigger a series of events that lead to pancreatic self-digestion. In ...
This conserves pancreatic juices that would otherwise be lost. This surgery is performed by a pancreatic surgeon to avoid a ... Pancreatic pseudocysts are chronic collections of pancreatic fluid encased by a wall of nonepithelialized granulation tissue ... Cystogastrostomy can lead to pancreatic abscess and pancreatic duct leak. Stents can become blocked, leading to infection of ... Cystogastrostomy is a surgery to create an opening between a pancreatic pseudocyst and the stomach when the cyst is in a ...
1982). "Studies on prophospholipase A2 and its enzyme from human pancreatic juice. Catalytic properties and sequence of the N- ... Sequences of pancreatic PLA2 enzymes from a variety of mammals have been reported. One striking feature of these enzymes is ... Seilhamer JJ, Randall TL, Yamanaka M, Johnson LK (1987). "Pancreatic phospholipase A2: isolation of the human gene and cDNAs ... Sternby B, Akerström B (1984). "Immunoreactive pancreatic colipase, lipase and phospholipase A2 in human plasma and urine from ...
One possible cause of impaired drainage of pancreatic juice is blockage of the sphincter of Oddi. A common cause of blockage is ... The sphincter regulates the secretion of pancreatic juice and bile into the duodenum. It also prevents reflux of duodenal ... controls the flow of bile and pancreatic juice out of the gallbladder and pancreas respectively through the ampulla of Vater ... Pancreatitis can result from a failure of pancreatic secretions to drain properly. ...
This supplies it with pancreatic juice from the exocrine pancreas, which aids in digestion. The pancreatic duct joins the ... The pancreatic duct, or duct of Wirsung (also, the major pancreatic duct due to the existence of an accessory pancreatic duct ... Pancreatic ductal carcinoma is a common form of pancreatic cancer. The pancreatic duct is also called the duct of Wirsung. This ... where it blocks the flow of both bile and pancreatic juice into the duodenum. Bile backing up into the pancreatic duct may ...
1988). "Characterization of two glycoproteins of human pancreatic juice: P35, a truncated protease E and P19, precursor of ... "Identification of a procarboxypeptidase A-truncated protease E binary complex in human pancreatic juice". FEBS Lett. 250 (2): ... Tani T, Ohsumi J, Mita K, Takiguchi Y (Feb 1988). "Identification of a novel class of elastase isozyme, human pancreatic ... Shen WF, Fletcher TS, Largman C (1987). "Primary structure of human pancreatic protease E determined by sequence analysis of ...
"Stimulatory effect of an endogenous peptide in rat pancreatic juice on pancreatic enzyme secretion in the presence of atropine ... It was purified from rat bile-pancreatic juice and the peptide sequence was elucidated. Monitor peptide is composed of 61 amino ... Monitor peptide, also known as pancreatic secretory trypsin inhibitor I (PSTI-I) or pancreatic secretory trypsin inhibitor 61 ( ... Rat Pancreatic Secretory Trypsin Inhibitor/Monitor Peptide Provides Protection against Premature Activation of Pancreatic Juice ...
... mix their production with acinar cells to make up the pancreatic juice. Ductal cells comprise about 10% of the ... Pancreatic adenocarcinoma cells resemble pancreatic ductal cells. Both cell groups show tubule formation, cuboidal shape, and ... Interlobular ducts originate from the main pancreatic duct and connect the various pancreatic lobes. In these lobes, the ... In fact, chronic pancreatitis often causes pancreatic adenocarcinoma. Pancreatic Ductal Adenocarcinoma (PDAC) is one of the ...
Patients who have pancreatic ductal adenocarcinoma show an overexpression of A1BG in pancreatic juice. A1BG is located on the ... DJ-1 and A1BG as overexpressed proteins in pancreatic juice from pancreatic ductal adenocarcinoma patients". BMC Cancer. 8: 241 ...
"Measurement of tryptic activity in intestinal juice as a diagnostic test of pancreatic disease." Gut 8, no. 4 (1967): 408-414 ...
When bile becomes blocked, pancreatic juices cannot be transported to the intestines. Bile leakage causes inflammation in ... Destruction of the billary tree means that there is a blockage in the pancreatic or bile duct. Bile ducts are vessels that ...
... is present in the pancreatic juice of several species". Biochim Biophys Acta. 1387 (1-2): 331-41. doi:10.1016/S0167-4838(98) ... Crenon I, Foglizzo E, Kerfelec B, Verine A, Pignol D, Hermoso J, Bonicel J, Chapus C (1998). "Pancreatic lipase-related protein ... De Caro J, Carriere F, Barboni P, Giller T, Verger R, De Caro A (1998). "Pancreatic lipase-related protein 1 (PLRP1) ... Withers-Martinez C; Carriere F; Verger R; Bourgeois D; C Cambillau (1996). "A pancreatic lipase with a phospholipase A1 ...
Gabriel Valentin showed pancreatic juices break down food in digestion. 1846 Justus Von Leibig discovered pancreatic juice ... "Pancreatic Diseases". Nih.gov. Retrieved 24 December 2016. "NLM Classification Home Page". Nih.gov. Retrieved 24 December 2016 ... C06.552 Liver Diseases C06.130 Biliary Tract Diseases C06.689 Pancreatic diseases 3. National Library of Medicine Catalogue WI ...
He co-authored his first scientific paper in 1906, titled Amylolytic inactivity of dialyzed pancreatic juice. His other initial ...
In the pancreas, FGF21 favors the formation of pancreatic juice through a β-klotho dependent mechanism. Whether an ... while conditions that promote energy storage induce WAT and pancreatic FGF21. The FGF superfamily comprehends nearly two dozen ...
"Retortamonas intestinalis in the pancreatic juice of a patient with small nodular lesions of the main pancreatic duct". ...
The pancreas produces and releases important digestive enzymes in the pancreatic juice that it delivers to the duodenum. The ... Aqueous pancreatic secretions from pancreatic duct cells contain bicarbonate ions which are alkaline and help with the bile to ... the duodenum via the pancreatic duct which it joins near to the bile duct's connection where both the bile and pancreatic juice ... This breaks down fats to some degree though is not as efficient as the pancreatic lipase. The pylorus, the lowest section of ...
Freeman TC, Davies R, Calam J (Dec 1990). "Interactions of pancreatic secretory trypsin inhibitor in small intestinal juice: ... Pancreatic secretory trypsin inhibitor (PSTI) also known as serine protease inhibitor Kazal-type 1 (SPINK1) or tumor-associated ... Tomita N, Horii A, Yamamoto T, Ogawa M, Mori T, Matsubara K (Dec 1987). "Expression of pancreatic secretory trypsin inhibitor ... Chen JM, Mercier B, Audrezet MP, Ferec C (Jan 2000). "Mutational analysis of the human pancreatic secretory trypsin inhibitor ( ...
Freeman TC, Davies R, Calam J (1990). "Interactions of pancreatic secretory trypsin inhibitor in small intestinal juice: its ...
In the duodenum pancreatic proteases (a component of pancreatic juice) cleave haptocorrin, releasing vitamin B12 in its free ...
In the first, he took out almost all of the pancreas, cutting off the supply of pancreatic juice entirely. He then left a small ... Claude Bernard demonstrated the function of pancreatic juice in digestion between 1849 and 1856, clarifying an important link ... Banting wrote a note on October 31 of that year describing his thinking: "Ligate pancreatic ducts of dog. Keep dogs alive till ... Now there was nothing new in the idea of producing degeneration or atrophy of the acinar tissues by ligating the pancreatic ...
"Preparation and characterization of reference materials for human pancreatic lipase: BCR 693 (from human pancreatic juice) and ... Pancreatic lipase, also known as pancreatic triacylglycerol lipase or steapsin, is an enzyme secreted from the pancreas. As the ... Unlike some pancreatic enzymes that are activated by proteolytic cleavage (e.g., trypsinogen), pancreatic lipase is secreted in ... "Entrez Gene: pancreatic lipase". Koop H (September 1984). "Serum levels of pancreatic enzymes and their clinical significance ...

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