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    2. Your Good Partner in Biology Research

      Recombinant Human C5a anaphylatoxin chemotactic receptor 1(C5AR1)-VLPs (Active)

      In Stock
      • 货号:
      • 规格:
      • 图片:
        • CSB-MP003996HU is detected by Mouse anti-6*His monoclonal antibody.
        • Activity
          Measured by its binding ability in a functional ELISA. Immobilized human C5AR1 at 10 μg/ml can bind Anti-C5AR1 recombinant antibody (CSB-RA003996A0HU), the EC50 is 1.239-3.760 ng/mL. Biological Activity Assay
        • The presence of VLP-like structures was confirmed by TEM
      • 其他:


      • 内毒素:
        Less than 1.0 EU/ug as determined by LAL method.
      • 生物活性:
        Measured by its binding ability in a functional ELISA. Immobilized human C5AR1 at 10 μg/mL can bind Anti-C5AR1 recombinant antibody (CSB-RA003996A0HU), the EC50 is 1.239-3.760 ng/mL.
      • 基因名:
      • Uniprot No.:
      • 别名:
        C5AR1; C5AR; C5R1; C5a anaphylatoxin chemotactic receptor 1; C5a anaphylatoxin chemotactic receptor; C5a-R; C5aR; CD antigen CD88
      • 分子结构:
      • 种属:
        Homo sapiens (Human)
      • 蛋白长度:
        Full Length
      • 来源:
        Mammalian cell
      • 分子量:
        41.1 kDa
      • 表达区域:
      • 氨基酸序列
      • 蛋白标签:
        C-terminal 10xHis-tagged (This tag can be tested only under denaturing conditions)
      • 产品提供形式:
        Note: We will default ship it in lyophilized form with normal bule ice packs. However, if you request to ship in liquid form, it needs to be shipped with dry ice, please communicate with us in advance and extra fees for dry ice and dry ice box will be charged.
      • 缓冲液:
        PBS, pH 7.4, 6% trehalose
      • 储存条件:
        Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
      • 保质期:
        The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
        Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
      • 货期:
        Basically, we can dispatch the products out in 3-7 working days after receiving your orders. Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
      • 注意事项:
        Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
      • 产品描述:

        CUSABIO used viral structural constituents in the form of recombinant proteins produced in mammalian cells to generate the recombinant human C5AR1 virus-like particle (VLP). The recombinant human C5AR1 VLP contains a C-terminal 10xHis-tag. Its expression region codes for the full-length human C5AR1 protein. It contains endotoxin less than 1.0 EU/ug determined by the LAL method. It has been confirmed to be an active protein through a functional ELISA. This recombinant C5AR1 protein can bind to the recombinant antibody against C5AR1, with the EC50 of 1.239-3.760 ng/mL.

        C5AR1 is widely expressed in various cell types, with the highest expression level in neutrophils. C5AR1/C5a interaction mediates a variety of biological effects, such as stimulating myeloid-derived cells such as neutrophils and monocyte-macrophages to release histamine and lysosomal enzymes, inducing smooth muscle contraction, enhancing vascular permeability, recruiting inflammatory cells such as neutrophils and monocytes to the inflammatory sites, promoting endothelial cells to express adhesion molecules, as well as playing an immunoregulatory role by inducing or inhibiting the release of cytokines from monocytes. Considering the key roles in innate immunity, targeting the C5AR1/C5a signaling pathway can treat a variety of related diseases, including chronic kidney disease, cardiovascular disease, neurological disease, and cancer.

      • Datasheet & COA:
        Please contact us to get it.



      • 功能:
        Receptor for the chemotactic and inflammatory peptide anaphylatoxin C5a. The ligand interacts with at least two sites on the receptor: a high-affinity site on the extracellular N-terminus, and a second site in the transmembrane region which activates downstream signaling events. Receptor activation stimulates chemotaxis, granule enzyme release, intracellular calcium release and superoxide anion production.
      • 基因功能参考文献:
        1. the role of the active fragment complement C5a receptor (C5aR) in dental nerve regeneration in regards to local secretion of nerve growth factor (NGF) upon carious injury. PMID: 27539194
        2. X ray structure of a thermostabilized C5aR1 (known as C5aR1 StaR) in complex with NDT9513727 PMID: 29300009
        3. this study shows that C5a receptor (CD88) promotes motility and invasiveness of gastric cancer by activating RhoA PMID: 27756879
        4. Serum containing active complement enhanced pneumococcal induced proinflammatory cytokine production through C5a release and C5aR crosstalk. PMID: 27721145
        5. C5aR plays a role in T helper cell polarization induced by Mycobacterium tuberculosis and this effect is strain- and donor-dependent. PMID: 28237029
        6. Panton-Valentine leucotoxin LukS-PV/LukF-PV and the gamma-hemolysin HlgC/HlgB, bind the C5a complement-derived peptide receptor, inducing intracellular calcium release in neutrophils. PMID: 28117704
        7. TLR4 and C5aR crosstalk in dendritic cells induces a core regulatory network of RSK2, PI3Kbeta, SGK1, and FOXO transcription factors. PMID: 28733463
        8. Results showed that 7-oxygenated cholesterol derivatives have differential effects on monocyte/macrophage expression of IL-8 and C5a receptor and that C5a receptor is involved in 7alphaOHChol-induced IL-8 expression via PI3K and MEK. Study demonstrated expression of IL-8 and C5a receptor primarily by 7alpha-hydroxycholesterol in monocytes/macrophages. PMID: 28323848
        9. Reducing RPS19 in tumor cells or blocking the C5a receptor 1-RPS19 interaction decreases RPS19-mediated immunosuppression, impairs tumor growth, and delays the development of tumors in a transgenic model of breast cancer PMID: 28228558
        10. C5aR expression in gastric cancer was associated with cancer progression, liver metastasis, and poor prognosis. PMID: 27688239
        11. this study shows that downregulation of CD88 after stimulation with IL-8 is more pronounced in adults than in neonates, whereas fMLP induces changes in receptor expression that are of the same magnitude in neutrophils from neonates as from adults PMID: 27606963
        12. Relation of C5aR expression to tumor development and poor prognosis of the breast cancer patients PMID: 26494574
        13. The objective of the present study was to validate a receptor occupancy (RO) assay for a human anti-C5aR monoclonal antibody drug candidate, NNC0215-0384 (NN0384) PMID: 26084468
        14. These data thus suggest that C5aR1 acts as an enhancer of CCR5-mediated HIV entry into macrophages, the targeting of which may prove useful to reduce HIV infection by R5 strains. PMID: 26537334
        15. C5AR and C5L2-mediated neutrophil dysfunction is associated with a poor outcome in sepsis. PMID: 25726869
        16. that C5aR stimulates cell invasion and migration via ERK1/2-mediated epithelial-mesenchymal transition in hepatocellular carcinoma cells PMID: 26475622
        17. Inhibition of C5aR1 leads to a significant reduction of CD66b and CD11b expression indicating a lower neutrophil activation status and block of granule exocytosis. PMID: 26176669
        18. that rs10853784 of C5aR1 gene are associated with coronary artery disease in Han population of China PMID: 25924896
        19. 96.7% of the metastatic RCCs had C5aR expression, vs. 50.5% of the non-metastatic ones. C5a triggered ERK- and PI3Kdependent invasion of the C5aR-expressing renal carcinoma cells. The C5a-C5aR axis plays a crucial role in renal carcinoma cell invasion. PMID: 25682807
        20. These results illustrate the novel activity of the C5a-C5aR axis that promotes human NPC cell proliferation through PCAFmediated STAT3 acetylation. PMID: 25174320
        21. C5a/C5aR1 signalling plays a key role in disrupting blood-brain barrier integrity through different cascades including NF-KappaB translocation leading to altered tight junction proteins, Claudin-5 and ZO-1, and actin reorganization in the lupus setting PMID: 26059553
        22. ). Low frequency of the C5aR 450 CT genotype, which apparently is a feature of certain kidney diseases, appears to be associated with good graft outcome in kidney transplantation. PMID: 25582053
        23. C5AR1 SNP -1330T/G may serve as a useful pharmacodynamic predictor of nonsedating H1-antihistamine efficacy in chronic spontaneous urticaria (CSU), and -1330T alleles may be taken as a risk factor for CSU. PMID: 25455139
        24. Porphyromonas gingivalis induces C5aR-TLR2 coassociation in neutrophils. PMID: 24922578
        25. inhibition of TAFIa activity, however, was substrate-specific, because neither mAb inhibited the cleavage of thrombin-activated osteopontin and C5a by TAFIa, thus sparing the anti-inflammatory activity of TAFIa PMID: 24134522
        26. C5aR and C5L2 may have roles in adiposity in women PMID: 24523571
        27. The uPAR-C5aR axis, via the underlying NFkappaB transcriptional program, controls osteogenic differentiation with functional impact on vascular calcification in vivo. PMID: 24192237
        28. High levels of CD88 are associated with poor prognosis of NSCLC. PMID: 23706417
        29. C5aR cleavage is induced by neutrophil serine protease. The consequent impairment of C5aR activity contributes to suboptimal local neutrophil priming and bacterial clearance. PMID: 24446515
        30. complement can regulate Muller cells through C5aR, which may contribute to the pathogenesis of retinal diseases, including DR. PMID: 24265019
        31. C5aR is a regulatory switch that modulates TLR4 signaling via the Galphai/c-Raf/MEK/ERK signaling axis in human macrophages but not monocytes. PMID: 24043889
        32. The C5aR binding Panton-Valentine Leukocidin component, LukS-PV, is a potent inhibitor of C5a-induced immune cell activation. PMID: 23684309
        33. Data indicate that C5aR was aberrantly expressed in various cancers. PMID: 23287562
        34. CD88 receptor expression is increased in brain from Alzheimer's disease patients compared to controls or vascular dementia patients. PMID: 23394121
        35. C5aR-C5L2 homodimerization versus heterodimerization contribute to differential responses obtained following ASP vs C5a stimulation. PMID: 23268185
        36. An RP S19 oligomer inhibitor and a C5aR inhibitor blocked the association of the K562 basophilic EB-like cells. PMID: 23346183
        37. C5aR is shed during sepsis, resulting in the appearance of a previously undetected circulating C5aR in the serum of patients that negatively correlates with survival. PMID: 23479227
        38. the neutrophil C5aR acts as a dual pro-inflammatory and pro-apoptosis receptor during the initiation and the resolution phases of acute inflammation, respectively--{review} PMID: 23402022
        39. C5a receptor-dependent cell activation by physiological concentrations of desarginated C5a PMID: 23041570
        40. C5aR was expressed in the thick ascending limb of Henle's loop and first part of the distal convoluted tubule. Under inflammatory conditions, C5aR was de novo expressed in proximal tubuli. PMID: 22960554
        41. Complement C5a upregulates prolabor mediators in human gestational tissues via CD88-mediated NFKB activation. PMID: 22441801
        42. Analysis of the 3'UTR of the C5aR mRNA showed that it contained two AU-rich elements (AREs), however site directed mutagenesis showed that these had no effect on basal expression. PMID: 22608366
        43. The aim of this study was to investigate the genetic alterations and mRNA expression pattern of C5aR and C5L2 genes in neutrophils from attack-free familial Mediterranean fever patients. PMID: 22187344
        44. the monocyte C5aR selectively activates the classical pathway with the binding of C5a and the alternative pathway with the binding of C5a/RP S19. PMID: 21613290
        45. C5a, a complement activation product, is a useful marker in predicting the severity of necrotizing enterocolitis. PMID: 21628869
        46. Among a cohort of 60 critically ill patients, C5a-mediated neutrophil dysfunction (as determined by reduced CD88 expression) was a strong predictor for subsequent acquisition of nosocomial infection PMID: 21292772
        47. Data show that when a Gi/PI3K pathway is partially blocked, C5a receptors stimulate an alternative p38MAPK pathway. PMID: 20473571
        48. expression profiles of CRegs and CD88 on leukocytes are specifically altered after polytrauma in humans, indicating a trauma-induced "complementopathy PMID: 19864971
        49. The elevated local and systemic C5a levels, and additional individual local C5a increase during the exacerbation support the importance of C5a in Chronic Obstructive Pulmonary Disease. PMID: 20500690
        50. Data show that C5L2 is predominantly intracellular, while C5aR is expressed on the plasma membrane, and that internalized C5aR following ligand binding is co-localized with both C5L2 and beta-arrestin. PMID: 20044484



      • 亚细胞定位:
        Cell membrane; Multi-pass membrane protein. Cytoplasmic vesicle.
      • 蛋白家族:
        G-protein coupled receptor 1 family
      • 数据库链接:

        HGNC: 1338

        OMIM: 113995

        KEGG: hsa:728

        STRING: 9606.ENSP00000347197

        UniGene: Hs.2161

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