TY - JOUR. T1 - Anti-Monocyte Chemoattractant Protein-1 Gene Therapy Attenuates Left Ventricular Remodeling and Failure After Experimental Myocardial Infarction. AU - Hayashidani, Shunji. AU - Tsutsui, Hiroyuki. AU - Shiomi, Tetsuya. AU - Ikeuchi, Masaki. AU - Matsusaka, Hidenori. AU - Suematsu, Nobuhiro. AU - Wen, Jing. AU - Egashira, Kensuke. AU - Takeshita, Akira. PY - 2003/10/28. Y1 - 2003/10/28. N2 - Background - Increased expression of monocyte chemoattractant protein-1 (MCP-1) has recently been described in clinical and experimental failing heart. However, its pathophysiological significance in heart failure remains obscure. We thus determined whether MCP-1 is increased in post-myocardial infarction (MI) hearts and its blockade can attenuate the development of left ventricular (LV) remodeling and failure. Methods and Results - Anterior MI was produced in mice by ligating the left coronary artery. After 4 weeks, MI mice exerted LV dilatation and contractile dysfunction in association with ...
TY - JOUR. T1 - Ovarian kisspeptin expression is related to age and to monocyte chemoattractant protein-1. AU - Merhi, Zaher. AU - Thornton, Kimberley. AU - Bonney, Elizabeth. AU - Cipolla, Marilyn J.. AU - Charron, Maureen J.. AU - Buyuk, Erkan. PY - 2016/2/15. Y1 - 2016/2/15. N2 - Purpose: The objective of this study was to test the hypothesis that ovarian kisspeptin (kiss1) and its receptor (kiss1r) expression are affected by age, obesity, and the age- and obesity-related chemokine monocyte chemoattractant protein-1 (MCP-1). Methods: Ovaries from reproductive-aged and older C57BL/6J mice fed normal chow (NC) or high-fat (HF) diet, ovaries from age-matched young MCP-1 knockout and young control mice on NC, and finally, cumulus and mural granulosa cells (GCs) from women who underwent in vitro fertilization (IVF) were collected. Kiss1, kiss1r, anti-Mullerian hormone (AMH), and AMH receptor (AMHR-II) messenger RNA (mRNA) expression levels were quantified using real-time polymerase chain reaction ...
TY - JOUR. T1 - Relationship between dietary folate intake and plasma monocyte chemoattractant protein-1 and interleukin-8 in heart failure patients. AU - Chung, Hye Kyung. AU - Kim, Oh Yoen. AU - Lee, Hyeran. AU - Do, Hyun Joo. AU - Kim, Young Soon. AU - Oh, Jaewon. AU - Kang, Seok Min. AU - Shin, Min-Jeong. PY - 2011/7/1. Y1 - 2011/7/1. N2 - This study aimed to axamine the association of dietary vitamin intakes with plasma pro-inflammatory cytokine levels in Korean heart failure patients. Stable outpatients with heart failure were recruited and finally 91 patients were included. Dietary intakes were estimated by a developed semi-quantitative food frequency questionnaire. The simultaneous measurement of 17 cytokines was performed along with analysis of plasma C-reactive protein. Plasma C-reactive protein levels significantly correlated with dietary intakes of vitamin C (r = -0.30, p,0.005), β-carotene (r = -0.23, p,0.05), and folate (r = -0.31, p,0.005). However, these associations were no ...
Results Compared with those in control group (AA:17.81%, GA:49.31%, GG:32.88%, G allele: 57.53%), respectively, no significant differences were revealed in frequencies of any genotypes and G allele of the MCP-1 gene -2518G/A in ACS group (AA: 16.27%, GA: 51.20%, GG: 32.53%, G allele:58.13%), AMI group (AA: 11.70%, GA: 51.06%, GG: 37.24%, G allele: 62.77%) and UAP group (AA: 22.22%, GA: 51.39%, GG: 26.39%, G allele: 52.08%) (all p values,0.05). Multivariate including age, gender, plasma lipids level, history of diabetes mellitus, hypertension and smoking logistic regression analysis showed that MCP-1 gene -2518 G/A polymorphism was not associated with an increased risk of ACS, AMI and UAP (all p values,0.05). The serum MCP-1 level (M/IQR) was significantly higher in ACS group (157.44/241.82 pg/ml), AMI group (157.44/245.67 pg/ml) and UAP group (157.14/231.95 pg/ml) than that of in the control group (80.96/89.17 pg/ml) (all p values ,0.01). No significant difference was found in the serum MCP-1 ...
Invitrogen™ eBioscience™ Human MCP-1 Platinum ELISA Kit 96 tests Invitrogen™ eBioscience™ Human MCP-1 Platinum ELISA Kit MCP-1 ELISA...
AlphaLISA no-wash assay kit for detection and quantitation of Human Monocyte Chemoattractant Protein-1 (CCL2 / MCP1) in serum, buffered solution or cell culture medium.
Depression is associated with immunological responses as reflected by altered levels of circulating cytokines. Alcohol use and trauma may modulate immune activity, and few studies have investigated these factors in depressed patients. We aimed to explore the association between circulating peripheral cytokine levels and degree of depressive symptoms, taking trauma and alcohol into account. The study was a cross-sectional assessment of patients at admission to a specialized psychiatric center in Norway. A total of 128 patients were included. Information was gathered using the self-administered questionnaires Beck Depression Inventory-II (BDI-II) and the Alcohol Use Disorders Identification Test (AUDIT), in addition to clinical interviews recording childhood or adult life trauma. Serum levels of the cytokines Interleukin-1β (IL-1β), Interleukin-1 Receptor Antagonist (IL-1RA), Tumor Necrosis Factor-α (TNF-α) and the chemokine Monocyte Chemoattractant Protein-1 (MCP-1) were assessed. A Luminex bead
Mouse anti Human MCP-3 antibody, clone h.mcp.3 recognizes human C-C motif chemokine 7, also known as Monocyte chemoattractant protein 3, M
Chemokine (C-C motif) ligand 8--also known as monocyte chemoattractant protein 2 (MCP-2), HC14, SCYA8, or SCYA10--is a protein encoded by the CCL8 gene. The precursor protein (109 amino acids) is cleaved to produce mature CCL8 (75 amino acids). CCL8 activates many different immune cells, including mast cells, eosinophils, and basophils (implicated in allergic responses), and monocytes, T cells, and NK cells (involved in the inflammatory response). CCL8 acts through binding to several different cell surface chemokine receptors, including CCR1, CCR2B, and CCR5 (one of the major co-receptors for HIV-1).. ...
Monocyte chemoattractant protein-1 (MCP-1), formerly termed JE, is a member of the beta-chemokine (C-C chemokine) family and has been shown to be produced by a variety of cell types. Recently, mRNA of JE/MCP-1 was detected in astrocytes during the acute phase of experimental allergic encephalomyelitis (EAE). In addition, supernatants collected from human cultured astrocytes have recently been found to be chemotactic for monocytes. However, chemokine production and function in glial cells has not been fully examined. Using a sandwich ELISA assay, we have now quantitated MCP-1 levels and assessed MCP-1 function on murine glial cells. Lipopolysaccharide (LPS), interleukin (IL)-1 beta and tumor necrosis factor (TNF)-alpha induced MCP-1 secretion by astrocytes, but not microglia. In addition, pretreatment with interferon (IFN)-gamma significantly augmented MCP-1 production by either LPS or the above cytokines. In contrast, LPS preferentially induced production of another beta-chemokine, macrophage ...
Monocyte chemoattractant protein-4 (MCP-4) is a CC chemokine implicated in the recruitment of eosinophils, monocytes, and T-lymphocytes in diseases of mucosal inflammation, including asthma. We tested the hypothesis that there is a genetic basis for differences in MCP-4 expression among individuals by evaluating the effects of core promoter variants on MCP-4 expression. We identified two single-nucleotide T-to-C polymorphisms in the MCP-4 core promoter that occur 896 and 887 base pairs preceding the transcription initiation site. The -887 variant alters a consensus binding motif for the transcription factor YY-1. Electrophoretic mobility shift assay demonstrated that YY-1 containing nuclear extracts from tumor necrosis factor alpha-stimulated peripheral blood mononuclear cells had greater avidity for the wild-type (YY-1 motif intact) sequence than for the variant sequence. Increasing doses of a YY-1 expression vector induced significantly greater reporter activity from MCP-4 core promoter ...
Conference Paper: Association of the monocyte chemoattractant protein 1 (MCP-1) promoter polymorphism with tuberculosis in the Hong Kong Chinese ...
Mellado M., Rodriguez-Frade J.M., Aragay A., del Real G., Martin A.M., Vila-Coro A.J., Serrano A., Mayor F. Jr., Martinez-A C.. The chemokines are a growing family of low m.w., 70-to 80-residue proinflammatory cytokines that operate by interacting with G protein-coupled receptors. Chemokines are involved in cell migration and in the activation of specific leukocyte subsets. Using the Mono Mac 1 monocytic cell line, we show that monocyte chemotactic protein 1 (MCP-1) triggers activation of the Janus kinase 2 (JAK2)/STAT3 pathway and CCR2 receptor tyrosine phosphorylation. Both Ca2+ mobilization and cell migration are blocked in Mono Mac 1 cells by tyrphostin B42, a specific JAK2 kinase inhibitor. Within seconds of MCP-1 activation, JAK2 phosphorylates CCR2 at the Tyr139 position and promotes JAK2/STAT3 complex association to the receptor. This MCP-1-initiated phosphorylation and association to JAK2 is also observed in CCR2B-transfected HEK293 cells. In contrast, when a CCR2B Tyr139Phe mutant is ...
Ohta, M., Kitadai, Y., Tanaka, S., Yoshihara, M., Yasui, W., Mukaida, N., Haruma, K. and Chayama, K. (2002), Monocyte chemoattractant protein-1 expression correlates with macrophage infiltration and tumor vascularity in human esophageal squamous cell carcinomas. Int. J. Cancer, 102: 220-224. doi: 10.1002/ijc.10705 ...
Monocyte chemoattractant protein-1 -2518G/A gene polymorphism and the risk of nephropathy in type 2 diabetes mellitus among Asians: a meta-analysis | Mao, Song; Huang, Songming | download | BookSC. Download books for free. Find books
Fish oils (FOs) have antiinflammatory effects and lower serum triglycerides. This study examined adipose and muscle inflammatory markers after treatment of humans with FOs and measured the effects of ω-3 fatty acids on adipocytes and macrophages in vitro. Insulin-resistant, nondiabetic subjects were treated with Omega-3-Acid Ethyl Esters (4 g/day) or placebo for 12 weeks. Plasma macrophage chemoattractant protein 1 (MCP-1) levels were reduced by FO, but the levels of other cytokines were unchanged. The adipose (but not muscle) of FO-treated subjects demonstrated a decrease in macrophages, a decrease in MCP-1, and an increase in capillaries, and subjects with the most macrophages demonstrated the greatest response to treatment. Adipose and muscle ω-3 fatty acid content increased after treatment; however, there was no change in insulin sensitivity or adiponectin. In vitro, M1-polarized macrophages expressed high levels of MCP-1. The addition of ω-3 fatty acids reduced MCP-1 expression with no ...
In the present study, we showed that gene transfer of rat MCP-1 to the vascular wall of the carotid artery induced early histological changes associated with atherosclerosis in rabbits treated with a high cholesterol diet. Gene transfer of MCP-1 alone in the absence of hypercholesterolemia failed to induce the vascular lesion. The histological changes associated with atherosclerosis were not detected in carotid arteries when rabbits were treated with a high cholesterol diet for 4 weeks in the absence of MCP-1 gene transfer. The vascular lesion developed by MCP-1 gene transfer under hypercholesterolemia is in accordance with fatty streaks or intimal xanthoma, which occurs in the early phase of atherosclerosis.14,15. An increasing amount of evidence has demonstrated the important role of MCP-1 in the initiation and development of atherosclerosis.16,17 In addition to the potent chemoattractant action for circulating monocytes, MCP-1 exerts various effects on monocytes/macrophages. MCP-1 induces the ...
FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes two isoforms of a receptor for monocyte chemoattractant protein-1, a chemokine which specifically mediates monocyte chemotaxis. Monocyte chemoattractant protein-1 is involved in monocyte infiltration in inflammatory diseases such as rheumatoid arthritis as well as in the inflammatory response against tumors. The receptors encoded by this gene mediate agonist-dependent calcium mobilization and inhibition of adenylyl cyclase. This gene is located in the chemokine receptor gene cluster region. Two alternatively spliced transcript variants are expressed by the gene. [provided by RefSeq, Mar 2009 ...
The importance of MCP-1 for mononuclear cell recruitment has been shown in various animal models of disease (9-13). Our results confirm that peritoneal MΦ recruitment after thioglycollate is significantly reduced in MCP-1 KO mice, and we demonstrate for the first time the importance of this chemokine for NK cell and MΦ recruitment during acute humoral rejection. By performing the transplant study in a xenogeneic model, it was possible to differentiate between MCP-1 made by donor tissue from that made by recipient. Only the former was associated with infiltration into rejecting hearts.. Results from complimentary but distinct experimental approaches, using either WT or PAR-1 KO hearts transplanted into defibinogenated rats or CD31-Hir-Tg hearts transplanted into unmanipulated rats, showed that PAR-1 activation on donor cells was necessary to generate sufficient quantities of donor MCP-1 to promote leukocyte infiltration. Similarly, MCP-1 generation and MΦ recruitment into the inflamed ...
Bachem offers H-5826 Monocyte Chemotactic Protein-1 (human) for your research. Find all specific details here. Find product specific information including available pack sizes, CAS, detailed description and references here.
Product Name: Mouse mAb anti- human MCP-1 / MCAF, Clone S382Collection: AntibodySub Category: Monoclonal AntibodyImmunogen: Purified recombinant human MCP-1Host
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1DOM: Heteronuclear (1H, 13C, 15N) NMR assignments and solution structure of the monocyte chemoattractant protein-1 (MCP-1) dimer.
By Northern analysis, freshly isolated monocytes contained no detectable mRNA for monocyte chemotactic protein-1 (MCP-1). However, after 4 hours of incubation at 37 degrees C, MCP-1 mRNA was clearly induced in the monocytes and was found to be highly dependent and directly proportional to the monocyte density. The level of MCP-1 mRNA continued to increase, reaching a peak after 22 hours of incubation. After 3 days in culture, MCP-1 mRNA levels had declined substantially and after 8 days were undetectable in the monocytes/macrophages. The amount of MCP-1 protein secreted correlated with the density-dependent increase in MCP-1 message. We hypothesize that the migration of monocytes into inflammatory lesions may be amplified by the density and time-dependent induction of MCP-1. ...
Monocyte Chemoattractant Protein 3 (MCP-3), also called CCL7, is produced by macrophages and some tumor cell lines. MCP-3 signals through three different G protein-coupled receptors, CCR1, CCR2, and CCR3. CCL7 chemoattracts monocytes and can regulate macrophage function. Alternate Names: CCL7, MARC
Mouse C-C Motif Chemokine 2 / Monocyte Chemoattractant Protein 1 (CCL2/MCP1) standard, for use in running standard curves in AlphaLISA no-wash detection assays.
|98% Pure active Recombinant Human MCP-1 (MCAF), which plays an important role in the inflammatory response of blood monocytes and tissue microphages.
Product Name: Mouse mAb anti- human MCP-1 / MCAF, Tracer (HRP Labeled), Clone S101Collection: AntibodySub Category: Matched Antibody PairsImmunogen: Purified
Monocyte chemotactic protein-1 (MCP-1) also known as monocyte chemotactic and activating factor (MCAF) was identified based on its ability to chemoattract monocytes. Subsequently, MCP-1 has also been found to regulate adhesion molecule expression and cytokine production in monocytes. MCP-1 is identi
Reaktivität: Meerschweinchen - Probe: Serum, Cell Culture Supernatant. | Chemokine (C-C Motif) Ligand 8 (CCL8) ELISA Kit (ABIN628807).
Recombinant Chemokine (C-C Motif) Ligand 17 (CCL17) 蛋白. 宿主: 人. 宿主: 大肠杆菌(E. Coli). 产品编号 ABIN2469118.
Monocyte Chemotactic Protein-3 Human Recombinant produced in E.Coli is a non-glycosylated, Polypeptide chain containing 76 amino acids.
CCL7/MCP-3/MARC Proteins available through Novus Biologicals. Browse our CCL7/MCP-3/MARC Protein catalog backed by our Guarantee+.
CCL7/MCP-3/MARC Proteins available through Novus Biologicals. Browse our CCL7/MCP-3/MARC Protein catalog backed by our Guarantee+.
Ccl2 - Ccl2 (untagged) - Mouse chemokine (C-C motif) ligand 2 (Ccl2), (10ug) available for purchase from OriGene - Your Gene Company.
Looking for online definition of Monocyte Chemoattractant Protein 1 in the Medical Dictionary? Monocyte Chemoattractant Protein 1 explanation free. What is Monocyte Chemoattractant Protein 1? Meaning of Monocyte Chemoattractant Protein 1 medical term. What does Monocyte Chemoattractant Protein 1 mean?
PURPOSE: To characterize the reactions of retinal glial cells (astrocytes and Müller cells) to retinal injury in mice that lack glial fibrillary acidic protein (GFAP) and vimentin (GFAP-/-Vim-/-) and to determine the role of glial cells in retinal detachment (RD)-induced photoreceptor degeneration. METHODS: RD was induced by subretinal injection of sodium hyaluronate in adult wild-type (WT) and GFAP-/-Vim-/- mice. Astroglial reaction and subsequent monocyte recruitment were quantified by measuring extracellular signal-regulated kinase (Erk) and c-fos activation and the level of expression of chemokine monocyte chemoattractant protein (MCP)-1 and by counting monocytes/microglia in the detached retinas. Immunohistochemistry, immunoblotting, real-time quantitative polymerase chain reaction (PCR), and enzyme-linked immunosorbent assay (ELISA) were used. RD-induced photoreceptor degeneration was assessed by terminal deoxynucleotidyl transferase dUTP nick-end labeling (TUNEL) and measurement of outer ...
Chemokine (C-C motif) ligand 8--also known as monocyte chemoattractant protein 2 (MCP-2), HC14, SCYA8, or SCYA10--is a protein encoded by the CCL8 gene. The precursor protein (109 amino acids) is cleaved to produce mature CCL8 (75 amino acids). CCL8 activates many different immune cells, including mast cells, eosinophils, and basophils (implicated in allergic responses), and monocytes, T cells, and NK cells (involved in the inflammatory response). CCL8 acts through binding to several different cell surface chemokine receptors, including CCR1, CCR2B, and CCR5 (one of the major co-receptors for HIV-1).. ...
Chemokine (C-C motif) ligand 13 (CCL13) is a small cytokine belonging to the CC chemokine family. Its gene is located on human chromosome 17 within a large cluster of other CC chemokines. CCL13 induces chemotaxis in monocytes, eosinophils, T lymphocytes, and basophils by binding cell surface G-protein linked chemokine receptors such as CCR2, CCR3 and CCR5. Activity of this chemokine has been implicated in allergic reactions such as asthma. CCL13 can be induced by the inflammatory cytokines interleukin-1 and TNF-α. Garcia-Zepeda EA, et al.. Human monocyte chemoattractant protein (MCP)-4 is a novel CC chemokine with activities on monocytes, eosinophils, and basophils induced in allergic and no allergic inflammation that signals through the CC chemokine receptors (CCR)-2 and -3. J Immunol. 1996;157:5613-5626 Naruse et al., A YAC contig of the human CC chemokine genes clustered on chromosome 17q11.2. Genomics. 1996, 34(2):236-40. Blanpain et al., CCR5 binds multiple CC-chemokines: MCP-3 acts as a ...
Monocyte chemoattractant protein-1 (MCP-1) is a CC chemokine that attracts monocytes and T lymphocytes in vitro; however, its in vivo functions are poorly understood. To address this question, we constructed transgenic mice expressing MCP-1 controlled by an insulin promoter. These mice developed a chronic insulitic infiltrate composed of F4/80+ monocytes with minor populations of CD4+, CD8+, and B220+ cells. Despite persistent transgene expression, the insulitis never progressed, and blood glucose levels remained normal. Thus, MCP-1 alone is sufficient to elicit a monocytic infiltrate, but not to activate elicited cells. These results differ from those obtained with another transgenic model using the mouse mammary tumor virus long terminal repeat, in which mice expressed substantial MCP-1 in several organs but had no infiltrates. However, mice expressing both transgenes had minimal insulitis, indicating that high systemic levels of MCP-1 prevented monocytes from responding to local MCP-1. Thus, ...
Microglial cells release monocyte chemoattractant protein-1 (MCP-1) which amplifies the inflammation process by promoting recruitment of macrophages and microglia to inflammatory sites in several neurological diseases. In the present study, dexamethasone (Dex), an anti-inflammatory and immunosuppressive drug has been shown to suppress the mRNA and protein expression of MCP-1 in activated microglia resulting in inhibition of microglial migration. This has been further confirmed by the chemotaxis assay which showed that Dex or MCP-1 neutralization with its antibody inhibits the microglial recruitment towards the conditioned medium of lipopolysaccharide (LPS)-treated microglial culture. This study also revealed that the down-regulation of the MCP-1 mRNA expression by Dex in activated microglial cells was mediated via mitogen-activated protein kinase (MAPK) pathways. It has been demonstrated that Dex inhibited the phosphorylation of Jun N-terminal kinase (JNK) and p38 MAP kinases as well as c-jun, ...
Abbkine Scientific has officially announced the release of its EliKine™ Human CCL2 ELISA Kit. The product also is known as the Human MCP1 ELISA Kit which is unique for its high sensitivity and excellent specificity.. The chemokine (C-C motif) ligand 2 (CCL2) is also referred to as monocyte chemoattractant protein 1 (MCP1) and small inducible cytokine A2. Other alternative names include MCP-1, HC11, MCAF, HSMCR30, SMC-CF, GDCF-2, SCYA2, monocyte chemoattractant protein-1, monocyte secretory protein JE. CCL2 is a small cytokine that belongs to the CC chemokine family. CCL2 recruits monocytes, memory T cells, and dendritic cells to the sites of inflammation produced by either tissue injury or infection. Abbkine newly launched EliKine™ Human CCL2/MCP-1 ELISA Kit exerts high sensibility and specificity for the quantification of Human CCL2/MCP-1 in various samples to CCL2 level determination.. The Human MCP1 ELISA Kit comes with different features and benefits that stand it out from its ...
Abbkine Scientific has officially announced the release of its EliKine™ Human CCL2 ELISA Kit. The product also is known as the Human MCP1 ELISA Kit which is unique for its high sensitivity and excellent specificity.. The chemokine (C-C motif) ligand 2 (CCL2) is also referred to as monocyte chemoattractant protein 1 (MCP1) and small inducible cytokine A2. Other alternative names include MCP-1, HC11, MCAF, HSMCR30, SMC-CF, GDCF-2, SCYA2, monocyte chemoattractant protein-1, monocyte secretory protein JE. CCL2 is a small cytokine that belongs to the CC chemokine family. CCL2 recruits monocytes, memory T cells, and dendritic cells to the sites of inflammation produced by either tissue injury or infection. Abbkine newly launched EliKine™ Human CCL2/MCP-1 ELISA Kit exerts high sensibility and specificity for the quantification of Human CCL2/MCP-1 in various samples to CCL2 level determination.. The Human MCP1 ELISA Kit comes with different features and benefits that stand it out from its ...
Many lines of evidence indicate that MCP-1 recruits monocytes into atherosclerotic lesions and the inflamed peritoneum of mice, where the cells differentiate into macrophages (14-16). The observation that macrophages accumulate in adipose tissue of obese mice and humans (9,10) coupled with the finding that obese humans have elevated MCP-1 expression in their adipose tissue and increased circulating levels of MCP-1 (24,38,39) led to the proposal that MCP-1 might promote macrophage accumulation in adipose tissue and enhance diet-induced obesity (40,41). Studies from two groups using male mice deficient in CCR2 or MCP-1 appeared to support this suggestion (26,27), although the macrophage content of adipose tissue changed only modestly. In contrast, we found no evidence that macrophage accumulation is impaired in adipose tissue of male Mcp1−/− mice fed a high-fat diet for either 10 or 16 weeks. Immunoblot analysis demonstrated higher levels of Mac2, a macrophage-specific protein, in epididymal, ...
title: Monocyte chemoattractant protein-1 functions as a neuromodulator in dorsal root ganglia neurons, doi: 10.1111/j.1471-4159.2007.04969.x, category: Article
For the ICAO airport code see Candle Lake Airpark, for the diradical compound see Dichlorocarbene. The chemokine (C-C motif) ligand 2 (CCL2) is also referred to as monocyte chemoattractant protein 1 (MCP1) and small inducible cytokine A2. CCL2 is a small cytokine that belongs to the CC chemokine family. CCL2 recruits monocytes, memory T cells, and dendritic cells to the sites of inflammation produced by either tissue injury or infection. In the human genome, CCL2 and many other CC chemokines are located on chromosome 17 (17q11.2-q21.1). The gene span is 1,927 bases and the CCL2 gene resides on the Watson (plus) strand. The CCL2 gene has three exons and two introns. The CCL2 protein precursor contains a signal peptide of 23 amino acids. In turn, the mature CCL2 is 76 amino acids long. The CCL2 predicted weight is 11.025 kiloDaltons (kDa). The gene homologous to CCL2 in the mouse is Sig-je. In humans, the levels of CCL2 can vary considerably. In the white people of European descent, the ...
Direct cell-to-cell contact regulates a variety of cellular functions, including cell activation and cytokine production.42 43 45 We attempted to determine whether the interaction between monocytes and endothelial cells induces MCP-1 production from these cell types, because this interaction constantly occurs in recruitment of monocytes and because production of MCP-1 would affect subsequent monocyte transendothelial migration. Our results indicate that migrated monocytes express MCP-1 protein during the process of transmigration. Cocultures of resting monocytes and unstimulated or IL-1-prestimulated endothelial cell monolayers induced an increase in the amounts of soluble MCP-1 secreted into the medium. MCP-1 secreted in supernatants exhibited chemotactic and transendothelial activities for monocytes, and its biological effect was confirmed by the disappearance of the activity in the presence of anti-MCP-1 Ab. Quantification of mRNA levels indicates that augmentation was mediated at the level ...
Sigma-Aldrich offers abstracts and full-text articles by [Zhenyu Yao, Michael Keeney, Tzu-Hua Lin, Jukka Pajarinen, Katherine Barcay, Heather Waters, Kensuke Egashira, Fan Yang, Stuart Goodman].
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