• We tested our hypothesis by examining the effects of silencing C/EBPβ, DDIT4, Trib3 or α-syn with small interfering ribonucleic acid (siRNA) on METH-induced autophagy and apoptosis in the human neuroblastoma SH-SY5Y cells. (cancerindex.org)
  • Our study revealed that Ang II influences EC cells in terms of cancer-related processes, and is responsible for increased proliferation, reduction in apoptosis, increased mobility and modulation of adhesion potential. (spandidos-publications.com)
  • More in detail, both conditions have been widely associated with the accumulation of genetic and epigenetic alterations responsible for the alteration of cell proliferation and apoptosis responsible for the neoplastic transformation of cells and the development of tumors (Candido et al. (researchgate.net)
  • Although KLF6 overexpression in human cancer cells inhibits cell proliferation, induces apoptosis, and attenuates cell migration, the effects of KLF6 on oral cancer remains poorly elucidated. (medsci.org)
  • KLFs regulate a wide range of cellular functions, including cell proliferation, apoptosis, differentiation, and neoplastic transformation, by binding to GC-rich promoter regions [ 1 , 2 ]. (medsci.org)
  • however, forced KLF6 expression in lung cancer cell lines can trigger cells to undergo apoptosis and reduce colony formation ability [ 6 ]. (medsci.org)
  • This study aimed to consider the oxidative damage induced by cadmium (Cd) and apoptosis and the role of N-acetylcysteine (NAC) in preserving hepatic cells against Cd toxicity. (springer.com)
  • Hepatic cells apoptosis was measured using TUNEL assay method. (springer.com)
  • Cd exposure is strongly associated with oxidative stress, inflammation, antioxidant depletion, and liver cells apoptosis. (springer.com)
  • 2 Lipids are major participants in the conversion of energy within cells, the transportation of substances, and cell growth, differentiation and apoptosis. (sanbio.nl)
  • Crypt hyperplasia in GCC-/- mice was associated with compensatory increases in cell migration and apoptosis. (jefferson.edu)
  • Protein kinase C (PKC) is a key enzyme which regulates proliferation, apoptosis and differentiation, representing a pharmacological target for tumor therapy. (endocrine-abstracts.org)
  • Previous evidence has shown that PKC is involved in the control of human medullary thyroid carcinoma (MTC) proliferation and survival by modulating apoptosis, with a mechanism that implicates PKCβII isoform and translocation in different subcellular compartments.In this study, we investigated the role of PKCδ. (endocrine-abstracts.org)
  • PGM1 knockdown stimulated both cell proliferation and colony formation, and inhibited cell cycle arrest and apoptosis, while overexpression of PGM1 produced the opposite effects in CRC cells both in vivo and in vitro. (biomedcentral.com)
  • Many mechanisms have been proposed for the inhibition of carcinogenesis by tea, including the modulation of signal transduction pathways that leads to the inhibition of cell proliferation and transformation, induction of apoptosis of preneoplastic and neoplastic cells, as well as inhibition of tumor invasion and angiogenesis. (indexindex.com)
  • We also show that Int 407 cells produce CysLTs and blocking this autocrine signaling using three different CysLT1 receptor antagonists for longer time points led to attenuation in cell proliferation and induction of apoptosis in the cells. (lu.se)
  • Abnormal proliferation, clonal expansion, aberrant differentiation, and diminished apoptosis (programmed cell death) lead to replacement of normal blood elements with malignant cells. (msdmanuals.com)
  • The signal transducer and activator of transcription 5 (STAT5) regulates differentiation, survival, proliferation and transformation of hematopoietic cells. (nature.com)
  • Its effect and effectiveness appear to be highly connected with the differentiation status of the cancerous cells, as Ang II appears to play a crucial role in the early and late stages of malignant transformation. (spandidos-publications.com)
  • Krüppel-like factors can bind to specific DNA motifs and regulate various cellular functions, such as metabolism, cell proliferation, and differentiation. (medsci.org)
  • These observations suggest that GCC signaling may regulate the renewal of the intestinal epithelium by restricting the proliferating compartment and promoting the transition from proliferation to differentiation along the crypt to villus axis. (jefferson.edu)
  • Cancer is a disease characterized by a shift in the control mechanisms that govern cell survival, proliferation, and differentiation. (ideviate.org)
  • The common acquired melanocytic nevus is viewed as a focal proliferation of melanocytes, destined in most instances to follow a programmed pathway of differentiation that leads to disappearance of the nevus. (nih.gov)
  • therefore, definitive differentiation of Hürthle cell carcinoma from Hürthle-cell adenoma is based on vascular invasion and/or capsular invasion, as well as on permanent histologic sections or extrathyroidal tumor spread and lymph node and systemic metastases. (medscape.com)
  • Cellular senescence is a multifaceted process that arrests the proliferation of cells that are at risk of neoplastic transformation. (nature.com)
  • Furthermore, aberrant oncogenic activation, DNA damage or oxidative stress activates senescence, providing a failsafe mechanism that prevents the proliferation of cells at risk of neoplastic transformation. (umassmed.edu)
  • Choline kinase alpha (ChoKalpha) is an enzyme involved in the metabolism of phospholipids recently found to play a relevant role in the regulation of cell proliferation, oncogenic transformation and human carcinogenesis. (nih.gov)
  • PKC is a serin/threonin kinase involved in the control of neoplastic transformation, carcinogenesis, neoplastic invasion, chemoresistance. (endocrine-abstracts.org)
  • It is observed that aggregation of genetic alterations is the ground for advancement of a normal cell to cancer cells, which is known as a multi-step carcinogenesis. (ujds.in)
  • Biologic implications of genetic changes in head and neck squamous cell carcinogenesis. (ujds.in)
  • It is an indolent disease characterized by the accumulation of mature monoclonal B cells in the blood and bone marrow, often also involving the spleen, liver, and lymph nodes. (cdlib.org)
  • The use of human telomerase reverse transcriptase-immortalized bone marrow mesenchymal stromal cells (hTERT-BMSCs) as vehicles to deliver antinociceptive galanin (GAL) molecules into pain-processing centers represents a novel cell therapy strategy for pain management. (hindawi.com)
  • Bone marrow stem cells, including the pluripotent hematopoietic stem cells (HSCs) and bone mesenchymal stem cells (BMSCs), are being considered as potential targets for cell and gene therapy-based approaches against a variety of different diseases. (hindawi.com)
  • Plasma cell myeloma is a malignant proliferation of plasma cells in bone marrow associated with an M-protein in serum and/or urine. (jahjournal.org)
  • In bone marrow examination, most cases show the mature pattern of neoplastic plasma cells. (jahjournal.org)
  • A bone marrow examination was performed and revealed that around 37% of plasma cells in the aspirate had significant dysplastic changes, were multinucleated, and exhibited basophilic cytoplasm [Figure 1] . (jahjournal.org)
  • The bone marrow biopsy showed 100% cellularity with diffuse infiltration by mononucleated cells and some multinucleated forms [Figure 2] . (jahjournal.org)
  • FISH study performed on bone marrow cells showed positive for IGH/CCND1 fusion (t[11;14]) and monosomy 13 (D13S319/LAMP1) which were detected in 34% and 48% of cells, respectively [Figure 3] . (jahjournal.org)
  • The diagnosis of Hairy Cell Leukemia and HCL-like diosrders, including HCL variant (vHCL) and Splenic Diffuse Red Pulp Lymphoma (SDRPL), is based on the examination of the peripheral blood and bone marrow smears allowing the identification of hairy cells and the flow cytometric analysis. (fortuneonline.org)
  • An accurate diagnosis is necessary given that different clinical management is required: the first step in a definitive diagnosis is based on the examination of the peripheral blood and bone marrow smears allowing the identification of hairy cells and a specific Flow Cytometric Analysis (FCA). (fortuneonline.org)
  • p53 may be helpful in differentiating between certain reactive and neoplastic lesions, e.g., reactive urothelial changes (patchy and weak) v. urothelial neoplasia (~60% pos. (nordiqc.org)
  • Chronic B cell activation may drive proliferation of antigen-selected B cell clones that accumulate genetic lesions and ultimately undergo neoplastic transformation. (biomedcentral.com)
  • Permissive histologic interpretation may result in the designation of some non-neoplastic Hürthle cell lesions as malignant tumors. (medscape.com)
  • In the author's opinion, the use of this descriptive term AtLP may obviate the need to force some lymphoid proliferations (equivocal lesions or mimickers of lymphomas) into either the benign or malignant categories. (medscape.com)
  • Senescence limits proliferative capacity of cells and thus impedes the accumulation of multiple mutations necessary for tumorigenesis. (umassmed.edu)
  • By limiting cell proliferation, senescence impedes the accumulation of multiple mutations that are necessary for tumorigenesis. (umassmed.edu)
  • Although human HSCs as vehicles to treat metachromatic leukodystrophy (MLD) has been used to treat patients with early onset MLD in a phase I/II trial, the HSCs give rise to all different blood cell lineages, such as the myeloid and lymphoid cell lineages [ 11 ]. (hindawi.com)
  • Splenic marginal zone lymphoma with circulating villous lymphoid cells (SMZL) is a distinct and very different pathological entity since the WHO 2008 classification: it is characterized by an expansion of the splenic white pulp with the infiltration of the red pulp. (fortuneonline.org)
  • Hairy cells are small to medium-sized lymphoid cells with an oval or indented nucleus with homogeneous and spongy chromatin. (fortuneonline.org)
  • Lymphoid proliferations of indeterminate malignant potential arising in adults with common variable immunodeficiency disorders: unusual case studies and immunohistological review in the light of possible causative events. (ox.ac.uk)
  • Lymphoid proliferations are traditionally thought to be either benign conditions (reactive hyperplasia and lymphadenitis) or malignant lymphomas. (medscape.com)
  • Therefore, in addition to these two extremes, there also exist a third group of lymphoid proliferations - the atypical lymphoid proliferations (AtLP). (medscape.com)
  • They have some likelihood for subsequent transformation into lymphomas, and therefore AtLP occupy a middle ground between benign and malignant lymphoid proliferations. (medscape.com)
  • Distinction between atypical lymphoid proliferations rich in Reed-Sternberg-like cells (reactive immunoblasts) and classic Hodgkin lymphomas. (medscape.com)
  • Distinction between atypical lymphoid proliferations with follicular pattern and follicular lymphoma. (medscape.com)
  • Initially identified in 2005 by Wang and his team from the University of Texas, AG was classified as Grade I by 2007 WHO Classification of Tumors of the Central Nervous System due to its benign clinical behavior, low proliferation index, and curative properties. (wikipedia.org)
  • These cystic tumors are lined with biliary-type cuboidal or columnar cells and are surrounded by ovarianlike stroma. (medscape.com)
  • 2017. Divergent roles of p120-catenin isoforms linked to altered cell viability, proliferation, and invasiveness in carcinogen-induced rat skin tumors. . (oregonstate.edu)
  • This is supported by studies in knockout mice showing development of soft-tissue sarcomas, ovarian stromal cell tumors and a high sensitivity to carcinogenic treatments. (cancerindex.org)
  • Cell adhesion molecule-1 (CADM1) is a member of the immunoglobulin superfamily that functions as a tumor suppressor of lung tumors. (cancerindex.org)
  • Here we report a phenotypic and molecular characterization of B cell tumors that develop in Tg26 mice. (biomedcentral.com)
  • Several ALDH isoforms were expressed in human prostate cancer cells and clinical specimens of primary prostate tumors with matched bone metastases. (ox.ac.uk)
  • Although Hürthle cell carcinoma was previously considered a variant of follicular cell neoplasms, which are generally less aggressive, the 2017 World Health Organization (WHO) classification of endocrine tumors reclassified it as a distinct entity. (medscape.com)
  • [ 5 ] The 2022 WHO classification of endocrine tumors has replaced the term Hürthle cell carcinoma with oncocytic carcinoma. (medscape.com)
  • Overall, only about 33% of Hürthle cell tumors demonstrate signs of that invasive growth that indicates malignancy and the possibility of metastasis. (medscape.com)
  • On balance, Hürthle cell tumors may be considered to be more likely to metastasize than follicular tumors. (medscape.com)
  • Chronic exposure of rats resulted in increased thyroid follicular cell tumors from sustained perturbation of thyroid hormone homeostasis. (cdc.gov)
  • Human bronchial epithelial cells (Beas2B) were continuously exposed to nFe2O3 or nano-SiO2 coated nFe2O3 (SiO2-nFe2O3) for up to 6.5 months at an occupationally relevant low dose (0.6 microg/cm2 or 2.88 microg/mL) and evaluated over time for indications of neoplastic-like transformation and its underlying mechanism. (cdc.gov)
  • In appendix, dispersed epithelial cells in the basal parts of the crypts must show a weak to moderate nuclear staining reaction, while the luminal epithelial cells must be negative. (nordiqc.org)
  • In malignancy, the normal zinc-accumulating citrate-producing epithelial cells are metabolically transformed to citrate-oxidizing cells that lose the ability to accumulate zinc. (biomedcentral.com)
  • Driscoll et al (1996) demonstrated for the first time a dose-dependent increase of mutation frequency in alveolar epithelial cells following exposure of rats for 13 weeks against 1.1, 7.1 and 52.8 mg/m3 carbon black particulate including 3 and 8 months of recovery. (ecetoc.org)
  • Measured endpoints included mutations in the HRPT gene of alveolar epithelial cells, changes in bronchi alveolar lavage fluid markers, expression of mRNA for chemokines as well as histopathology. (ecetoc.org)
  • Subsequent studies (Driscoll et al, 1997) revealed a relationship between the severity of pulmonary inflammation and ex vivo induced mutations by co-incubating lung lavage inflammatory cells (macrophages, neutrophils, lymphocytes) from carbon black exposed rats with rat lung epithelial cells. (ecetoc.org)
  • This suggest that LTD4 signaling through CysLT1 receptor is some how crucial for normal maintenance of intestinal epithelial cells. (lu.se)
  • Recently, a number of studies have shown that Ang II plays an important role in proliferation, invasiveness and migration of tumour cells, alteration of expression of cancer-related genes, as well as in physiological tissue remodelling. (spandidos-publications.com)
  • We observed that stimulation of intestinal epithelial cell line, Int 407 with LTD4 led to enhanced cell survival and proliferation through the activation of series of signaling cascades like Ras, Erk-1/2, p90RSK, and CREB. (lu.se)
  • Zhang W, Kater AP, Widhopf GF, Chuang HY, Enzler T, James DF, Kipps TJ (2010) B-cell activating factor and v-Myc myelocytomatosis viral oncogene homolog (c-Myc) influence progression of chronic lymphocytic leukemia. (springer.com)
  • However, biological and molecular mechanisms linked to cancer development after mineral fibres exposure were not fully investigated.Methods: In the present study, mesothelial (MeT-5A) and human bronchoalveolar alveolar epithelial (A549) cell lines were incubated with rising concentrations of fluoro-edenite to evaluate the expression of retinoblastoma (Rb) protein, which has been demonstrated to play an important role in cell cycle control and tumour progression. (unict.it)
  • Introduction: CDKN1B gene, which encodes a cyclin-dependent kinase (Cdk) inhibitor, regulates the progression throughout G1 to S cell cycle progression. (endocrine-abstracts.org)
  • Molecular studies are usually needed, particularly in complex cases, including cases with transformation and/or progression. (fortuneonline.org)
  • The genetic and molecular mechanisms responsible for and associated specifically with the development and progression of malignant prostate cells are largely unidentified. (biomedcentral.com)
  • More strikingly, ALDH-high cells readily formed distant metastases with strongly enhanced tumor progression at both orthotopic and metastatic sites in preclinical models. (ox.ac.uk)
  • issues include whether antibiotics or chemotherapy are the first line of therapy in all patients and whether transformation to aggressive B cell malignancy is inevitable or depends on other factors and if so, the length of time for such progression. (ox.ac.uk)
  • In addition, it has to be emphasized, that stromal cells, lymphocytes and endothelial cells in the clinical samples are essential as internal positive tissue controls especially for carcinomas with TP53 mutations causing absence and loss of p53 expression in the tumour cells. (nordiqc.org)
  • We found that O-GlcNAcylation and tyrosine phosphorylation act together to trigger pYSTAT5 levels and oncogenic transcription in neoplastic cells. (nature.com)
  • The expression of a mutated hyperactive gain-of-function (GOF) STAT5 without O-GlcNAcylation resulted in decreased tyrosine phosphorylation, oligomerization and transactivation potential and complete loss of oncogenic transformation capacity. (nature.com)
  • Our data show that O-GlcNAcylation of STAT5 is an important process that contributes to oncogenic transcription through enhanced STAT5 tyrosine phosphorylation and oligomerization driving myeloid transformation. (nature.com)
  • Senescence, a process by which cells enter an irreversible growth arrest state, is activated by many stimuli, including telomere attrition, aberrant oncogenic signaling, DNA damage or oxidative stress. (umassmed.edu)
  • Analysis of p53 in dysplastic and neoplastic states is a powerful tool to provide molecular information on the oncogenic process. (nordiqc.org)
  • We present a case of multiorgan, multisite Langerhans cell histiocytosis (LCH), positive for the oncogenic BRAF V600E mutation, in a preterm neonate. (thieme-connect.de)
  • In aged mice, the self-renewal capacity of long-term hematopoietic stem cells (LT-HSC) diminishes. (umassmed.edu)
  • Cell-intrinsic depletion of Aml1-ETO-expressing pre-leukemic hematopoietic stem cells by K-Ras activating mutation. (ox.ac.uk)
  • First, pre-leukemic mutations, such as t(8;21) that encodes AML1-ETO, are acquired within the hematopoietic stem cell (HSC) compartment, while signaling pathway mutations, including KRAS activating mutations, are late events acquired during transformation of leukemic progenitor cells and are rarely detectable in HSC. (ox.ac.uk)
  • Malignant transformation and uncontrolled proliferation of an abnormally differentiated, long-lived hematopoietic progenitor cell results in a high circulating number of blasts, replacement of normal marrow by malignant cells, and the potential for leukemic infiltration of the central nervous system (CNS) and testes. (msdmanuals.com)
  • Biological assays and gene expression analysis were performed on three cell lines: ISH, MFE-296 and MFE-280. (spandidos-publications.com)
  • Biological assays were performed on well-[Ishikawa (ISH)] moderately (MFE-296) and poorly (MFE-280) differentiated human adenocarcinoma cancer cell lines, representing the G1, G2 and G3 stage of EC. (spandidos-publications.com)
  • Today, lipid research has started to map the lipidome of human cells and describe lipid biological pathways. (sanbio.nl)
  • The use of cell lines as "biological minipumps" to chronically deliver antinociceptive molecules into the pain-processing centers of the spinal cord represents a newly developed technique for the treatment of pain [ 3 ]. (hindawi.com)
  • It is well known that telomere length in white blood cells is inversely correlated with age, implying that telomere length may serve as a biological clock to determine the lifespan of a cell and an organism [ 4 ]. (oncotarget.com)
  • Upon cytokine stimulation, STAT5 tyrosine phosphorylation (pYSTAT5) is transient, while in diverse neoplastic cells persistent overexpression and enhanced pYSTAT5 are frequently found. (nature.com)
  • Methodology Using the human cholangiocyte line H69, we investigated cell proliferation and gap junction protein expression after stimulation with the hepatotoxin N-nitrosodimethylamine (NDMA) and/or excretory-secretory products (ESP) of C. sinensis, which induce inflammation. (yonsei.ac.kr)
  • It is well established that most TSH effects on the thyroid gland, including stimulation of proliferation, thyroid hormone synthesis and expression of thyroid-specific genes, are transmitted mainly by the adenylate cyclise pathway. (endocrine-abstracts.org)
  • LTD4 stimulation also led to significant enhancement of cell migration in a PI3K and Rac-dependent manner. (lu.se)
  • In vitro , the sprouting and migratory properties of primary endothelial cell cultures were reduced by inhibiting EZH2 through up-regulation of miR-101, siRNA-mediated knockdown of EZH2, or treatment with 3-Deazaneplanocin-A (DZNep), a small molecule inhibitor of EZH2 methyltransferase activity. (plos.org)
  • VEGF, produced in large amounts by cancer cells during tumor growth, interacts with its receptors VEGFR1 and VEGFR2 thereby causing endothelial cell survival, proliferation, and sprouting [7] . (plos.org)
  • We previously showed that VEGF signaling in primary endothelial cell cultures caused overexpression of VEGFR2 in a positive feed-forward loop, which is at least partly regulated by loss of miRNA-mediated control of VEGF receptor degradation. (plos.org)
  • Calcium channel blockers verapamil, nifedipine, diltiazem and isradipine arrested basic fibroblast growth factor induced human umbilical arterial endothelial cell proliferation. (cancerprev.org)
  • O-GlcNAcylation of STAT5 could be required for nutrient sensing and metabolism of cancer cells. (nature.com)
  • 16 Cancer cells exhibit elevated levels of O-GlcNAc, possibly to adjust to stringent metabolic demands and O-GlcNAcylation is a key metabolic regulator of glucose metabolism. (nature.com)
  • The molecular basis to understand the connection between phospholipids metabolism and cell cycle regulation through choline kinase is reported. (nih.gov)
  • Lipids are vital building blocks of living organisms, essential to cell structure and signaling, and energy metabolism. (sanbio.nl)
  • Cancerous cells undergo major changes in lipid metabolism, meaning that lipids play a major role in the proliferation of cancerous tumours. (sanbio.nl)
  • In addition, despite its implication in virtually all malignant cells, the role of altered cellular metabolism as an essential factor in prostate malignancy has been largely ignored. (biomedcentral.com)
  • Moreover, the intermediary metabolism of normal prostate as well as malignant prostate cells is among the least studied and most poorly understood of all mammalian cells. (biomedcentral.com)
  • The specialized function of the normal prostate glandular epithelium to produce and secrete enormously high levels of citrate involves and requires unique intermediary metabolism activities that are not generally associated with other normal mammalian cells. (biomedcentral.com)
  • These genetic/metabolic relationships have important consequences on citrate-related metabolism, bioenergetics, cell proliferation and invasive capabilities of the malignant cells, which result in tumor-suppression characteristics. (biomedcentral.com)
  • The integrated stress response is a signaling pathway activated in cancer cells in response to both dysregulated growth and metabolism, and also following exposure to many therapies that appears one such targetable pathway for improved treatment of these diseases. (biomedcentral.com)
  • Moreover, we examined alterations in the expression of genes related to cancer cell behaviour after Ang II treatment. (spandidos-publications.com)
  • We are interested in whether age-dependent accumulation of senescent cells leads to alterations in tissue microenvironment that is favorable for oncogenesis. (umassmed.edu)
  • Genes whose gain-of-function alterations lead to NEOPLASTIC CELL TRANSFORMATION. (edu.au)
  • Chromosomal alterations in squamous cell carcinomas of the head and neck: window to the biology of disease. (ujds.in)
  • Our results showed that beginning at four months, nFe2O3-exposed Beas2B underwent neoplastic-like transformation, as indicated by increased cell proliferation and attachment-independent colony formation. (cdc.gov)
  • Trisomy 8+ cells showed a significant positive correlation with apoptotic CD34+ cells and capacity for colony formation. (who.int)
  • KLF6 overexpression attenuated the migration and invasion of oral cancer SAS cells. (medsci.org)
  • 4 For example, eicosanoids have been identified to play a role in cancerous cells' neoplastic transformations and blocking eicosanoid receptors can impede the inflammatory response of tumour cells. (sanbio.nl)
  • Histopathological examination indicated the presence of a moderate epithelial dysplasia while immunohistochemistry for Ki-67 and cyclin D1 revealed the presence of cellular proliferation in suprabasal layers. (bvsalud.org)
  • Immunomarking with Ki-67 and cyclin D1 revealed expressive presence of cellular proliferation in suprabasal layers ( Figure 3 ). (bvsalud.org)
  • ABSTRACT This study examined haematopoietic stem cells of 19 high-risk cases of myelodysplastic syndrome (MDS) for apoptotic and anti-apoptotic signals and cellular proliferation and correlated these with clinical and cytogenetic subtypes, particularly trisomy 8. (who.int)
  • Using differential microarray analysis, we identify target genes that provide the basis for the understanding of the molecular mechanism for the regulation of cell proliferation and transformation mediated by over-expression of the human ChoKalpha. (nih.gov)
  • 2017. Rapamycin inhibits the secretory phenotype of senescent cells by a Nrf2-independent mechanism. . (oregonstate.edu)
  • This lack of association implies the involvement of a secondary mechanism leading to the genetic changes necessary for neoplastic transformation of cells. (ecetoc.org)
  • These findings support the discussed mechanism that inflammatory cell-derived reactive oxidants and increased cell proliferation play a key role in the pathogenesis of rat lung tumours in response to PSP and are consistent with the existence of a threshold (Oberdörster 1996, Greim et al, 2001). (ecetoc.org)
  • The present review spotlights on understanding the molecular mechanism and the genetic factors which is responsible for alteration in the cell which leads to oral squamous cell carcinoma. (ujds.in)
  • A genetic alteration in the expression of ZIP1 zinc transporter is associated with this metabolic transformation. (biomedcentral.com)
  • After Ang II treatment, poorly differentiated endometrial cancer cell line acquired a mesenchymal phenotype, which was characterized by induced expression of EMT-related genes (VIM, CD44, SNAI1, ZEB1 and ZEB2). (spandidos-publications.com)
  • A) Lymphomas found in Smurf2-deficient mice have the characteristics of diffuse large B-cell lymphoma (DLBCL) and enhanced cell proliferation. (umassmed.edu)
  • the most common are diffuse large B-cell lymphoma and Burkitt's lymphoma [ 1 ]. (biomedcentral.com)
  • Consistent with this notion, we have found that Smurf2-deficient mouse embryonic fibroblasts exhibit delayed senescence entry and enhanced potential to become immortalized in culture, while Smurf2-deficient mice show increased susceptibility to various types of cancer, including B-cell lymphoma, hepatocellular carcinoma, adenocarcinoma in small intestine and soft tissue sarcoma. (umassmed.edu)
  • Our ongoing studies have found that LT-HSC population, which give rise to all lineages of blood cells, increases in Smurf2-deficient mice, suggesting a beneficial effect of Smurf2 deficiency. (umassmed.edu)
  • Here we describe the phenotypic and molecular characteristics of the B cell leukemia/lymphoma in the Tg mice. (biomedcentral.com)
  • Expression of B cell-stimulatory cytokines IL-1β, IL-6, IL-10, IL-12 p40 , IL-13 and TNFα and HIV proteins p17, gp120 and nef were elevated in the Tg mice with lymphoma. (biomedcentral.com)
  • Swiss scientists that research on mice, found that, without existence of periostin protein, cancer cells cannot spread from original organ (metastasis) to others. (ideviate.org)
  • Membrane-associated and cytoplasmic human chorionic gonadotropin (hCG), its subunits and its fragments were present in human cancer cells of neuroblastomas, medulloblastomas, retinoblastomas, and malignant gliomas of nude mice. (cancerprev.org)
  • 2021). Similarly, cell senescence due to aging has been widely associated with the impairment of mitochondrial as well as proteosome and lysosome functions responsible for the accumulation of aberrant or misfolded proteins often observed in different neurodegenerative disorders (Sikora et al. (researchgate.net)
  • In that context, differentiated enterocytes in villi exhibit higher guanylin expression and ligand-dependent cGMP accumulation compared to proliferating progenitor cells in crypts. (jefferson.edu)
  • Marked p53 accumulation (at least 20-50% of the cells stained) largely reflects an underlying mutation. (nordiqc.org)
  • The accumulation of zinc by these cells is an essential factor in this unique metabolic relationship. (biomedcentral.com)
  • [ 2 ] Oncocytic cells in the thyroid are often called Hürthle cells, and oncocytic change is defined as cellular enlargement characterized by an abundant eosinophilic granular cytoplasm as a result of accumulation of altered mitochondria. (medscape.com)
  • Exposure to higher concentrations (≥50 µM) of the PFOS and PFOA mixture caused cell death through synergistic interactions that induced oxidative stress, DNA/RNA damage, and lipid peroxidation, illustrating the complexity of mixture toxicology. (ivl.se)
  • Hayflick, L. The limited in vitro lifetime of human diploid cell strains. (nature.com)
  • In close agreement, induction of GCC signaling in mucosal sheets ex vivo and intestinal cells in vitro inhibited proliferation by activating cGMP-dependent protein kinase and delaying the cell cycle at the G1/S transition. (jefferson.edu)
  • An "in vitro"study on lung cells exposed to fluoro-edenite fibres. (unict.it)
  • ALDH-high prostate cancer cells displayed strongly elevated clonogenicity and migratory behavior in vitro. (ox.ac.uk)
  • Transformation was compared to that induced by gas metal arc mild steel welding fumes (GMA-WF), which were recently re-classified as a Group 1 total human carcinogen, and are composed of roughly 80% iron/iron oxide. (cdc.gov)
  • A classic paper that describes the limited replicative lifespan of normal human cells. (nature.com)
  • 18 Both enzymes, OGT and OGA as well as multiple O-GlcNAcylated proteins are enriched at sites of active transcription in human cells. (nature.com)
  • The aim of the present study was to evaluate the influence of angiotensin II (Ang II) on human EC cells. (spandidos-publications.com)
  • 2019). In the last decades, it was widely demonstrated how these two pivotal determinants of human pathologies are strongly associated with each other in a dual relationship where aging induces a pro-inflammatory state in the organism and inflammation, in turn, leads to the activation of cellular and molecular pathways involved in cell senescence and aging (Chung et al. (researchgate.net)
  • In this study, we used human epithelial breast cells to evaluate the tumorigenic potential of PFOS/PFOA mixtures, Oskar Karlsson says. (ivl.se)
  • Recently, signaling by GCC and its downstream effector, cyclic GMP (cGMP) has emerged as a principal regulator of proliferation in human colon cancer cells. (jefferson.edu)
  • Normal (wild type - WT) p53 is accumulated in damages cells, e.g., in virus infections, where the protein is bound (e.g., to protein E6 of human papilloma virus) and prevented from break down. (nordiqc.org)
  • Introduction: In this study we addressed the expression of Rb and pRb protein in human lung epithelial A549 and MeT-5A cell cultures treated with three concentrations of fluoro-edenite fibres to gain insights into the biomolecular mechanisms underlying the interaction between these environmental particulates/fibres and human respiratory epithelium. (unict.it)
  • this limitation has been overcome via ectopic expression of human telomerase reverse transcriptase (hTERT), the catalytic component of telomerase, to produce large quantities of these cells as an attractive source for cellular transplantation [ 16 - 18 ]. (hindawi.com)
  • Human Immunodeficiency Virus Type I (HIV-1) infection is associated with a high incidence of B-cell lymphomas. (biomedcentral.com)
  • Human Immunodeficiency Virus Type I (HIV-1) infection is associated with an elevated incidence of B-cell non-Hodgkin's lymphoma (NHL) and in recent years also with Hodgkin's lymphoma [ 1 ]. (biomedcentral.com)
  • Murine models for human AIDS-related B cell lymphomas have been lacking. (biomedcentral.com)
  • However, in human follicular cells and in rat FRTL-5 cells, TSH can also stimulate the β-isoforms of PLC that catalyzes the hydrolysis of phosphatidyl-inositol 4,5-phosphate, yielding the second messengers DAG and inositol 1,4,5-phosphate facil. (endocrine-abstracts.org)
  • The closely related N-ras gene has been detected in human neuroblastoma and sarcoma cell lines. (edu.au)
  • Furthermore, we demonstrate that reduction of PTEN protein to heterozygote levels in human MCF7 cells is associated with increased proliferation in response to IGF2, and does not result in desensitisation to IGF2 signalling. (ox.ac.uk)
  • High aldehyde dehydrogenase activity identifies tumor-initiating and metastasis-initiating cells in human prostate cancer. (ox.ac.uk)
  • In this study, aldehyde dehydrogenase (ALDH) activity was used as a basis to isolate and compare subpopulations of primary human prostate cancer cells and cell lines. (ox.ac.uk)
  • Our findings suggest that ALDH-based viable cell sorting can be used to identify and characterize tumor-initiating and, more importantly perhaps, metastasis-initiating cells in human prostate cancer. (ox.ac.uk)
  • The human body has nearly 1013 cells. (cdc.gov)
  • T-cell receptors composed of CD3-associated gamma and delta polypeptide chains and expressed primarily in CD4-/CD8- T-cells. (edu.au)
  • DNA sequences, in cells of the T-lymphocyte lineage, that code for T-cell receptors. (edu.au)
  • Because of this event, growth factor production increases as well as increase in total of receptors on cell surface and increased intracellular signal messengers. (ujds.in)
  • Immunohistochemical staining showing positivity of neoplastic cells for CD20 (A), CD23 (B), CD5 (C), and CD43 (D). (cdlib.org)
  • Nucleoli are typically absent or inconspicuous (Figure 1 A,B,C,D). HCL exhibits a characteristic immunophenotype profile that is strongly positive with pan-B-cell markers (CD19, CD20, CD22) and usually negative for CD5, CD10 and CD23. (fortuneonline.org)
  • The malignant cells of LPHD are CD20 + and therefore rituximab may have activity with fewer late effects than standard therapy. (ashpublications.org)
  • Cystadenoma is a premalignant lesion with neoplastic transformation to cystadenocarcinoma confirmed by tubulopapillary architecture and invasion of the basement membrane. (medscape.com)
  • Downregulation of Herg1 suppresses osteosarcoma proliferation and invasion by targeting Hippo signaling pathway]. (cancerindex.org)
  • Our results indicated that at the beginning of cancerogenesis Ang II induced abnormal proliferation at lower doses. (spandidos-publications.com)
  • The cause of cystadenomas and cystadenocarcinomas is unknown, but they may represent proliferation of abnormal embryonic analogs of the gallbladder or biliary epithelium. (medscape.com)
  • Загальні відомості про лейкоз Leukemia is a malignant condition involving the excess production of immature or abnormal leukocytes, which eventually suppresses the production of normal blood cells and results in symptoms. (msdmanuals.com)
  • Cytokine binding to the cell surface leads to phosphorylation of the receptor complex by receptor associated Janus kinases (JAKs) at tyrosine residues. (nature.com)
  • The protein is phosphorylated in a cell-cycle dependent manner, with late prophase phosphorylation remaining through metaphase. (cancerindex.org)
  • Crypt expansion reflected hyperplasia of the proliferating compartment with reciprocal increases in rapidly cycling progenitor cells and reductions in differentiated cells of the secretory lineage, including Paneth and goblet, but not enteroendocrine, cells. (jefferson.edu)
  • It can be concluded that exposures which are insufficient to elicit chronic inflammation/cell proliferation (manifest for example, as alveolar Type II cell hyperplasia or fibrosis) will not incur any increased risk of lung cancer. (chrysotileassociation.com)
  • especially no inflammatory responses, increased mutation frequencies in the presence of significant pulmonary inflammation and epithelial cell hyperplasia were observed immediately after the exposure period in the mid and high dose groups. (ecetoc.org)
  • Guanylyl cyclase C (GCC), the intestinal receptor for the paracrine hormones guanylin and uroguanylin whose early loss characterizes transformation, has emerged as a component of developmental programs organizing spatiotemporal patterning along the crypt-surface axis whose loss promotes tumorigenesis through hyperproliferation and genetic instability. (jefferson.edu)
  • p53 binding decreases its control with cell proliferation and increases genetic instability, leading to neoplastic transformation. (nordiqc.org)
  • The genetic/metabolic transformation of the prostate malignant cells is driven by the metabolic/bioenergetic, growth/proliferative, and invasive/migration requirements of the malignant process. (biomedcentral.com)
  • When the genetic information containing the "blueprint" for these substances is disrupted, cell homeostasis is disrupted, resulting in a wide-range of immediate and/or delayed toxicological effects. (cdc.gov)
  • reactive mesothelial proliferation (~10% pos. (nordiqc.org)
  • PGM1 inhibits hepatocellular carcinoma cell (HCC) proliferation and growth by utilizing sufficient extracellular glucose to convert glycogen, while deletion of the PGM1 gene inhibits glycogen synthesis and leads to glycolysis of additional glucose, thus promoting tumor cell proliferation and growth [ 15 ]. (biomedcentral.com)
  • Magmas, a gene encoding for the mitochondrial import inner membrane translocase subunit, Tim16, protects different cell lines from the antitumoral effects of several pro-apoptotic stimuli (i.e. chemicals and chemotherapeutic agents). (endocrine-abstracts.org)
  • The synthetic Compound 5 is capable of sensitizing chemoresistant tumor cells overexpressing Magmas to proapoptotic stimuli, indicating that this molecule may be useful to overcome tumor chemoresistance. (endocrine-abstracts.org)
  • The ISR (Fig. 1 ) is a complex signaling pathway that regulates cellular responses to stress stimuli and enables either adaptation or the instigation of cell death mechanisms [ 2 ]. (biomedcentral.com)
  • Amorphous silica coating protects against iron oxide nanoparticle -induced cell transformation and genotoxicity. (cdc.gov)
  • Some evidence suggests that dissolution of IONP following endocytosis into cells may disrupt iron homeostasis, resulting in genotoxicity and neoplastic-like cellular transformation. (cdc.gov)
  • In mammalian organisms, cells that express markers of senescence have been shown to accumulate with age and at sites of certain age-related pathologies. (nature.com)
  • Proliferating cells can initiate an additional response by adopting a state of permanent cell-cycle arrest that is termed cellular senescence. (nature.com)
  • Understanding the causes and consequences of cellular senescence has provided novel insights into how cells react to stress, especially genotoxic stress, and how this cellular response can affect complex organismal processes such as the development of cancer and ageing. (nature.com)
  • By limiting cell proliferation and consequently depleting the renewal capacity of stem or progenitor cells, senescence is thought to contribute to the aging process. (umassmed.edu)
  • Using these 'senescence' mouse models, combined with different tumorigenesis models (for instance, p53 knockout, B cell lymphoma, skin cancer, colon cancer and liver cancer models), we hope to gain a better understanding of the regulation and contribution of senescence in tumor development. (umassmed.edu)
  • The mouse models we have generated to modulate senescence response in vivo are also used in our studies of senescence regulation in aging, with an emphasis on adult stem cells. (umassmed.edu)
  • Persistent DDR induces a permanent proliferation arrest known as replicative senescence, which is thought to function as a tumor suppressor [ 6 - 8 ]. (oncotarget.com)
  • However, dysregulation of the DDR pathway allows cells to proliferate beyond senescence limits. (oncotarget.com)
  • We also measured the levels of phosphorylated tuberous sclerosis complex 2 (TSC2) protein and Parkin protein level in SH-SY5Y cells. (cancerindex.org)
  • According to their proposal, gene fusions that activate the mitogen-associated protein kinase (MAPK) pathway can induce AG malignant cells. (wikipedia.org)
  • Moreover, the expression of the cell proliferation-related proteins E2F1, Ki-67, and cancer related protein cytokeratin 19 and Cox-2 increased in response to combined treatment with NDMA and ESP. (yonsei.ac.kr)
  • The p53 (phospho-)protein (p53), 53 kDa, is expressed in the nuclei of all normal cells, but usually not immunohistochemically detectable due to a very short half-life (10-20 min. (nordiqc.org)
  • The protein encoded by this gene is a putative serine/threonine kinase that localizes to the mitotic apparatus and complexes with cell cycle controller CDC2 kinase in early mitosis. (cancerindex.org)
  • It functions as a negative regulator of CELL PROLIFERATION and NEOPLASTIC CELL TRANSFORMATION and is commonly fused with cellular abl protein to form BCR-ABL FUSION PROTEINS in PHILADELPHIA CHROMOSOME positive LEUKEMIA patients. (bvsalud.org)
  • Protein kinase C (PKC) is a family of serine-threonine kinases that regulate many cellular processes including proliferation and survival. (endocrine-abstracts.org)
  • Immunohistochemistry revealed that these cells were strongly positive for the surface CD38 protein, CD138 protein, and the cytoplasmic kappa light chain protein. (jahjournal.org)
  • DeMarini, and Chapter 20, by Rice and cell death determine the size protein in several signal ing path- and Herceg). (who.int)
  • In 48 cases of squamous cell carcinoma of the larynx the thymidine labeling index was a more important predictor of survival (p=0.015) than prognostic DNA values and tumor stage. (cancerprev.org)
  • The present review scrutinize the existing documentation in the literature related to the oral squamous cell carcinoma. (ujds.in)
  • Hürthle cell carcinoma of the thyroid gland is an unusual and relatively rare type of differentiated thyroid cancer. (medscape.com)
  • Hürthle cell carcinoma. (medscape.com)
  • Obviously, this factor has a major impact in interpreting the natural history of this disease and adds to the controversy about the aggressiveness of Hürthle cell carcinoma. (medscape.com)
  • P53 is the strongest predictor of survival in high-risk primary breast cancer patients undergoing high-dose chemotherapy with autologous blood stem cell support. (nordiqc.org)
  • We previously demonstrated that GH protects breast cancer cells towards the cytotoxic effects of doxorubicin, inducing chemoresistance. (endocrine-abstracts.org)
  • Because tumor-derived, cell-free DNA (cfDNA) is often released from cancer cells and circulates in the bloodstream, we hypothesized that breast cancer development is associated with changes in the amount of telomeric cfDNA that can be detected in the plasma. (oncotarget.com)
  • The tumor cells are clonal and characterized by an increased expression of several cellular oncogenes. (biomedcentral.com)
  • The transformed B cell population consists of CD19 + pre-BCR + CD127 + CD43 + CD93 + precursor B cells and are clonal. (biomedcentral.com)
  • However, obtaining primary neuronal cells from adult tissue is difficult and faces major ethical issues in clinical practice. (hindawi.com)
  • Indeed, the potent pathotropic migratory properties of BMSCs and ability to circumvent both the complications associated with immune rejection of allogenic cells and many of the moral reasons associated with embryonic stem cell use suggest that BMSCs are most promising stem cells as a potential target for the clinical use of genetically engineered stem cells [ 14 , 15 ]. (hindawi.com)
  • The HCL-Japanese variant form (jpHCL) is rare and less well defined: there are common points with vHCL but several aspects are different in terms of morphology of hairy cells, degree of leukocytosis or clinical course. (fortuneonline.org)
  • In the era of personalized medicine, future studies will focus on identifying specific biomarkers and molecular profile to monitor and to prevent malignant transformation. (bvsalud.org)
  • Malignant transformation usually occurs at the pluripotent stem cell level, although it sometimes involves a committed stem cell with more limited capacity for self-renewal. (msdmanuals.com)
  • We also showed that dose-dependent induction of proliferation was connected with changes in the expression of MKI67, CCND1 and CCNE1 genes in well- and poorly differentiated cancer cells. (spandidos-publications.com)
  • One of the postulated key processes in the development of endometrial tumours is uncontrolled proliferation stimulated by physiological local factors ( 3 ). (spandidos-publications.com)
  • Our recent studies as well as others indicate that senescent cells change their secretory patterns of cytokines, chemokines, growth factors, extracellular matrix proteins and proteases. (umassmed.edu)
  • Increased expression of HIV proteins and the B-cell stimulatory factors is consistent with the interpretation that one or more of these factors play a role in lymphoma development. (biomedcentral.com)
  • Cells depend on their DNA for coding information to make various classes of proteins that include enzymes, certain hormones, transport proteins, and structural proteins that support life. (cdc.gov)
  • Specialized cell structures called ribosomes are the cellular organelles that actually synthesize the proteins (RNA transcription). (cdc.gov)
  • We investigated the effects of LTD4 in bringing about changes in survival, proliferation and migration of these cells, all of which are hallmarks of cancer. (lu.se)
  • The term "oncotarget" encompasses all molecules, pathways, cellular functions, cell types, and even tissues that can be viewed as targets relevant to cancer as well as other diseases. (oncotarget.com)
  • Targeted therapies exploit molecular vulnerabilities unique to cancer cells and typically alter cellular signaling pathways to inhibit tumorigenic growth and promote cell death. (biomedcentral.com)
  • A number of direct and indirect radiation interaction pathways can produce damage to the DNA of irradiated cells. (cdc.gov)
  • Studies have increasingly focused on the potential therapeutic effects of stem cell transplantation for neurological diseases [ 10 ]. (hindawi.com)
  • The patient achieved a very good response to vincristine, doxorubicin (Adriamycin), and dexamethasone chemotherapy, and then he underwent autologous stem cell transplantation twice in 2007 and 2012. (jahjournal.org)
  • Treatment typically includes combination chemotherapy to achieve remission, intrathecal and systemic chemotherapy and/or corticosteroids for CNS prophylaxis, and sometimes cerebral irradiation for intracerebral leukemic infiltration, consolidation chemotherapy with or without stem cell transplantation, and maintenance chemotherapy for up to 3 years to avoid relapse. (msdmanuals.com)
  • The essence of MDS is damage of In the current work we examined All our patients were of the high-risk colony-forming units [4], but the defect haematopoietic stem cells of high-risk group and none of them was eligible of the haematopoietic stem cells is not MDS cases for apoptotic and anti-apop- for stem cell transplantation. (who.int)
  • Both are linked to transformation due to deregulated kinase/phosphatase signaling or STAT5 gain-of-function (GOF) mutations. (nature.com)
  • It encodes a membrane-associated tyrosine kinase that has been implicated in the control of cell growth. (cancerindex.org)
  • This previously unrecognized role of GCC as a tumor suppressor by restricting proliferation and maintaining genomic integrity suggests that receptor dysregulation reflecting ligand insufficiency is a key event during early colorectal tumorigenesis. (jefferson.edu)
  • Mutated p53 shows impaired DNA-binding and, consequently, release from cell cycle checkpoint control following DNA damage, thereby increasing genomic instability and promoting gene amplification. (nordiqc.org)
  • PC-ALCL is one of the primary cutaneous CD30 + T-cell lymphoproliferative disorders, a wide spectrum of disease, with lymphomatoid papulosis (LyP) at the benign end of the spectrum and PC-ALCL at the malignant end. (medscape.com)