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  4. Human Cathepsin G(cath-G)ELISA Kit

Human Cathepsin G(cath-G)ELISA Kit

  • 中文名称：
    人组织蛋白酶G(cath-G)酶联免疫试剂盒
  • 货号：
    CSB-E16388h
  • 规格：
    96T/48T
  • 价格：
    ￥3600/￥2500
  • 其他：

产品详情

  • 产品描述：

    This Human CTSG ELISA Kit was designed for the quantitative measurement of Human CTSG protein in serum, plasma, tissue homogenates. It is a Sandwich ELISA kit, its detection range is 31.25 pg/mL-2000 pg/mL and the sensitivity is 7.8 pg/mL.

  • 别名：
    CATG ELISA Kit; CATG_HUMAN ELISA Kit; Cathepsin G ELISA Kit; Cathepsin G precursor ELISA Kit; CathepsinG ELISA Kit; CG ELISA Kit; Ctsg ELISA Kit; CTSG protein ELISA Kit; MGC23078 ELISA Kit
  • 缩写：
  • Uniprot No.：
  • 种属：
    Homo sapiens (Human)
  • 样本类型：
    serum, plasma, tissue homogenates
  • 检测范围：
    31.25 pg/mL-2000 pg/mL
  • 灵敏度：
    7.8 pg/mL
  • 反应时间：
    1-5h
  • 样本体积：
    50-100ul
  • 检测波长：
    450 nm
  • 研究领域：
    Signal Transduction
  • 测定原理：
    quantitative
  • 测定方法：
    Sandwich
  • 精密度：
    Intra-assay Precision (Precision within an assay): CV%<8%
    Three samples of known concentration were tested twenty times on one plate to assess.
    Inter-assay Precision (Precision between assays): CV%<10%
    Three samples of known concentration were tested in twenty assays to assess.
  • 线性度：
    To assess the linearity of the assay, samples were spiked with high concentrations of human cath-G in various matrices and diluted with the Sample Diluent to produce samples with values within the dynamic range of the assay.
    　SampleSerum(n=4)
    1:5Average %92
    Range %80-99
    1:10Average %97
    Range %91-105
    1:20Average %97
    Range %88-110
    1:40Average %93
    Range %85-98
  • 回收率：
    The recovery of human cath-G spiked to levels throughout the range of the assay in various matrices was evaluated. Samples were diluted prior to assay as directed in the Sample Preparation section.
    Sample TypeAverage % RecoveryRange
    Serum (n=5) 9589-98
    EDTA plasma (n=4)9691-100
  • 标准曲线：
    These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed.
    pg/mlOD1OD2AverageCorrected
    20002.617 2.654 2.636 2.512
    10002.205 2.254 2.230 2.106
    5001.636 1.705 1.671 1.547
    2500.943 0.989 0.966 0.842
    1250.509 0.554 0.532 0.408
    62.50.352 0.369 0.361 0.237
    31.250.226 0.241 0.234 0.110
    00.122 0.126 0.124 　
  • 数据处理：
  • 货期：
    3-5 working days

产品评价

靶点详情

  • 功能：
    Serine protease with trypsin- and chymotrypsin-like specificity. Cleaves complement C3. Cleaves vimentin. Has antibacterial activity against the Gram-negative bacterium P.aeruginosa.
  • 基因功能参考文献：
    1. CTSG was increased in peripheral blood mononuclear cells and muscle tissues of dermatomyositis (DM) patients, and CTSG activity was higher in the serum of DM patients PMID: 28797985
    2. CatG can be used as a novel marker to distinguish different NK cell subsets and MARS116 is applicable to determine cell surface CatG activity by flow cytometry. PMID: 27666013
    3. Results provide evidence that cathepsin G (GC) activates IGF-1R by stimulating IGF-1 release from MCF-7 cells, and that IGF-1R activation is required for CG-induced cell aggregation. PMID: 28544544
    4. Cleavage of the alarmins by Human mast cell chymase and human neutrophil cathepsin G suggests a function in regulating excessive inflammation. PMID: 28053237
    5. Data show that lactoferrin (LF) increases the catalytic activity of cathepsin G (CatG) at physiological concentration. PMID: 26986619
    6. CatG is an essential protease for regulating MHC I molecules PMID: 26837514
    7. Patients with certain polymorphisms in the CTSG gene had lower risk for chronic postsurgical pain compared with wild-types. PMID: 26270939
    8. These in vivo data provide, for the first time, compelling evidence of the collateral involvement of cathepsin G, NE, and proteinase 3 in cigarette smoke-induced tissue damage and emphysema PMID: 24929239
    9. expression levels of ELANE and CTSG were determined by quantitative real-time PCR PMID: 25248056
    10. Elastase and cathepsin G are elevated in the plasma of HD patients, originating from primed PMNLs. In these patients, chronic elevation of these enzymes contributes to cleavage of VE-cadherin and possible disruption of endothelial integrity. PMID: 24877096
    11. Cathepsin G is an antimicrobial protein with bacteriocidal activity against S. aureus and N. gonorrhoeae. PMID: 2116408
    12. proteolytic cleavage of PLTP by cathepsin G may enhance the injurious inflammatory responses that occur in COPD PMID: 24532668
    13. Neutrophil cathepsin G is a physiologic modulator of platelet thrombus formation in vivo and has potential as a target for novel anti-thrombotic therapies. PMID: 23940756
    14. demonstrate that cathepsin G (CG), neutrophil elastase (NE), and to a lesser extent proteinase 3 (PR3), degrade endocan PMID: 23454598
    15. A novel HLA-A*0201 restricted peptide derived from cathepsin G is an effective immunotherapeutic target in acute myeloid leukemia. PMID: 23147993
    16. the targeting and suppression of CTSG by AML1-ETO in t(8;21) AML may provide a mechanism for leukemia cells to escape from the intracellular surveillance system by preventing degradation of foreign proteins. PMID: 22641217
    17. NE and CG bind to the surface of cancer cells, presumably to a cell surface receptor, and subsequently undergo clathrin pit-mediated endocytosis. PMID: 22915586
    18. major binding partners of LEKTI were found to be the antimicrobial peptide dermcidin and the serine protease cathepsin G and no kallikreins. PMID: 22588119
    19. Data suggested the notion that CatG plays a critical role in proinsulin processing and is important in the activation process of diabetogenic T cells. PMID: 21850236
    20. potential of HNE and CatG to be used as markers for early detection of infection. Significant differences in HNE and CatG levels in infected and non-infected wound fluids were observed. PMID: 21488974
    21. CatG was found to be dispensable in invariant chain conversion within intact primary human B cells and dendritic cells. PMID: 21543057
    22. distinct catK/C4-S interactions are necessary for the collagenolytic activity of the enzyme. PMID: 21193413
    23. Neutrophil cathepsin G can either facilitate or impede coagulation via effects on thrombin generation. PMID: 20589323
    24. CatG cleaves human leukocyte antigen (HLA)-DR in vitro. Cleavage occurred on the loop between fx1 and fx2 of the membrane-proximal beta2 domain. In vivo, however, the CatG cleavage site is sterically inaccessible or masked by associated molecules. PMID: 20331476
    25. Historical and recent data on CatG expression, distribution, function and involvement in disease will be summarized and discussed, with a focus on its role in antigen presentation and immune-related events. PMID: 19910052
    26. high molecular mass kininogen down-regulates cathepsin G-induced platelet activation by forming a complex with cathepsin G and thus prevents binding of cathepsin G to platelets PMID: 11920276
    27. UVA light stimulates the production of cathepsin G and elastase-like enzymes by dermal fibroblasts: a possible contribution to the remodeling of elastotic areas in sun-damaged skin. PMID: 11928814
    28. up-regulated by the AML1-MTG8 fusion protein, suggesting a role in the granulocytic maturation characteristic of the t(8;21) acute myelogenous leukemia PMID: 11986950
    29. cathepsin G enhances fibrin deposition under flow conditions by elevating the activation state of fibrinogen-adherent platelets rather than by cleaving coagulation factors PMID: 12524437
    30. BPI and cathepsin G are the major antigenic targets of ANCA seen in patients with systemic sclerosis PMID: 12784398
    31. Serine proteinases cathepsin G and neutrophil elastase cooperate for the proteolytic regulation of CD87/urokinase receptor on monocytic cells. PMID: 14688365
    32. role in development of myelodi leukemia with promyelocytic features PMID: 14737102
    33. Cathepsin G initializes and dominates the destruction of intact myelin basic protein (MBP) by B cell-derived lysosomal extracts, degrading immunodominant MBP epitope and eliminating both its binding to HLA-DRB1*1501 and MBP-specific T cell response. PMID: 15100291
    34. neutrophil elastase and cathepsin G are inhibited by PAI-1 mutants PMID: 15131125
    35. Release of cathepsin G from neutrophils specifically down-regulates the responsiveness of neutrophils to C5a, and this effect may play a role in the down-regulation of acute inflammation. PMID: 15140022
    36. down-regulation of CatG in macrophages is advantageous to M. tuberculosis bacilli and possibly is an important mechanism by which M. tuberculosis is able to evade the host immune defenses PMID: 15385470
    37. oxidants generated by myeloperoxidase regulate cathepsin G activity in vivo PMID: 15967795
    38. Neutrophil cathepsin G is the principal protease to produce CCL15 proteolytic products released in the course of hemofiltration of blood from renal insufficiency patients PMID: 16034099
    39. PF-4 acts as an inhibitor of the CTAP-III-processing enzymes cathepsin G and chymase without becoming cleaved itself as a competitive substrate. PMID: 16317101
    40. the monocyte chemotactic activity of cathepsin G may have a role in the pathogenesis of RA synovial inflammation PMID: 16977463
    41. cathepsin g may play a role in the progression to heart failure by activating angiotensin II, leading to detrimental effects on the heart PMID: 17418861
    42. Substrate specificity for cathepsin G is greatly enhanced when an aromatic side chain and a strong positive charge are incorporated in residue P(1). PMID: 17653609
    43. Cathepsin G from neutrophils and monocytes may provide some pro-coagulant effect by activating FVIII. PMID: 18217133
    44. The cleavage of neutrophil leukosialin (CD43) by cathepsin G releases its extracellular domain and triggers its intramembrane proteolysis by presenilin/gamma-secretase PMID: 18586676
    45. Cathepsin G increases MMP expression in normal human fibroblasts through fibronectin fragmentation, and induces the conversion of proMMP-1 to active MMP-1. PMID: 18835135
    46. Data report that the two subsets of human dendritic cells differ in their cathepsin distribution, and suggest tha Cathepsin G may be of functional importance. PMID: 19036358
    47. MC are immunoreactive to cathepsin-G in human cutaneous mastocytosis, as well as the co-localization of tryptase and cathepsin-G in MC secretory granules. PMID: 19250736
    48. both Cat-G and PAR(4) play key roles in generating and/or amplifying relapses in ulcerative colitis PMID: 19528350
    49. Cathepsin G is one of the mediators responsible for complement-dependent opsonophagocytic killing of Streptococcus pneumoniae by human neutrophils. PMID: 19620298

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  • 亚细胞定位：
    Cell surface. Membrane; Peripheral membrane protein.
  • 蛋白家族：
    Peptidase S1 family
  • 数据库链接：

    HGNC: 2532

    OMIM: 116830

    KEGG: hsa:1511

    STRING: 9606.ENSP00000216336

    UniGene: Hs.421724