COL18A1 Antibody

Code CSB-PA005725LA01HU
Size US$166
  • Immunofluorescence staining of A549 cells with CSB-PA005725LA01HU at 1:100, counter-stained with DAPI. The cells were fixed in 4% formaldehyde and blocked in 10% normal Goat Serum. The cells were then incubated with the antibody overnight at 4°C. The secondary antibody was Alexa Fluor 488-congugated AffiniPure Goat Anti-Rabbit IgG(H+L).
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Product Details

Full Product Name
Rabbit anti-Homo sapiens (Human) COL18A1 Polyclonal antibody
Uniprot No.
Target Names
Alternative Names
Alpha 1 collagen type 18 (XVIII)(COL18A1) antibody; Alpha 1 type XVIII collagen antibody; Antiangiogenic agent antibody; COIA1_HUMAN antibody; COL15A1 antibody; Col18a1 antibody; Collagen alpha 1(XV) chain antibody; Collagen alpha 1(XVIII) chain antibody; Collagen alpha-1(XV) chain antibody; Collagen type XV proteoglycan antibody; Collagen type XVIII alpha 1 antibody; Collagen XV; alpha 1 polypeptide antibody; Collagen; type XV; alpha 1 antibody; Endostatin antibody; Endostatin XV antibody; FLJ27325 antibody; FLJ34914 antibody; FLJ38566 antibody; KNO antibody; KNO1 antibody; KS antibody; MGC74745 antibody; Multi functional protein MFP antibody; OTTHUMP00000021782 antibody; OTTHUMP00000115472 antibody; OTTHUMP00000115473 antibody
Raised in
Species Reactivity
Recombinant Human Collagen alpha-1(XVIII) chain protein (1600-1754AA)
Immunogen Species
Homo sapiens (Human)

The COL18A1 Antibody (Product code: CSB-PA005725LA01HU) is Non-conjugated. For COL18A1 Antibody with conjugates, please check the following table.

Available Conjugates
Conjugate Product Code Product Name Application
HRP CSB-PA005725LB01HU COL18A1 Antibody, HRP conjugated ELISA
FITC CSB-PA005725LC01HU COL18A1 Antibody, FITC conjugated
Biotin CSB-PA005725LD01HU COL18A1 Antibody, Biotin conjugated ELISA
Purification Method
>95%, Protein G purified
It differs from different batches. Please contact us to confirm it.
Preservative: 0.03% Proclin 300
Constituents: 50% Glycerol, 0.01M PBS, PH 7.4
Tested Applications
Recommended Dilution
Application Recommended Dilution
IF 1:100-1:500
Troubleshooting and FAQs
Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
Lead Time
Basically, we can dispatch the products out in 1-3 working days after receiving your orders. Delivery time maybe differs from different purchasing way or location, please kindly consult your local distributors for specific delivery time.

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Target Background

Probably plays a major role in determining the retinal structure as well as in the closure of the neural tube.; May regulate extracellular matrix-dependent motility and morphogenesis of endothelial and non-endothelial cells; the function requires homotrimerization and implicates MAPK signaling.; Potently inhibits endothelial cell proliferation and angiogenesis. May inhibit angiogenesis by binding to the heparan sulfate proteoglycans involved in growth factor signaling. Inhibits VEGFA-induced endothelial cell proliferation and migration. Seems to inhibit VEGFA-mediated signaling by blocking the interaction of VEGFA to its receptor KDR/VEGFR2. Modulates endothelial cell migration in an integrin-dependent manner implicating integrin ITGA5:ITGB1 and to a lesser extent ITGAV:ITGB3 and ITGAV:ITGB5. May negatively regulate the activity of homotrimeric non-collagenous domain 1.
Gene References into Functions
  1. results suggested that common polymorphisms in these two candidate genes were unlikely to play major roles in the genetic susceptibility to HM. Nevertheless, to avoid filtering real myopia genes, the role of COL11A1 and COL18A1 in the pathogenesis of myopia requires more refinement in both animal models and human genetic epidemiological studies PMID: 29781737
  2. Increased serum levels of endostatin were associated with loss of graft function in kidney transplant recipients. PMID: 29528011
  3. endostatin may have a role in subclinical atherosclerosis as shown in a study of a healthy Japanese population PMID: 28428451
  4. a protease capable of producing endostatin from human Col XVIII, is reported PMID: 27921229
  5. Structural and biological functions of COL18A1, such as its requirement in the maintenance of basement membrane integrity and its emerging roles in regulating cell survival, stem or progenitor cell maintenance and differentiation and inflammation have been reported. (Review) PMID: 27746220
  6. Lower endostatin levels or a predominance of VEGF over endostatin are predictors of poor short-term prognosis of intracranial atherosclerotic stenosis. PMID: 28189572
  7. We further show that the SAGA deubiquitinase-activated gene Multiplexin (Mp) is required in glia for proper photoreceptor axon targeting. Mutations in the human ortholog of Mp, COL18A1, have been identified in a family with a SCA7-like progressive visual disorder, suggesting that defects in the expression of this gene in SCA7 patients could play a role in the retinal degeneration that is unique to this ataxia. PMID: 27261002
  8. Two COL18A1 variants co-segregated with familial epilepsy and anterior polymicrogyria in a family. PMID: 28602933
  9. Blood endostatin wasdddddddddddddddddddddddddf significantly higher in chronic hepatitis C patients with liver fibrosis compared to those without fibrosis. PMID: 27930387
  10. The homozygous DN and NN genotypes of COL18A1 D104N were associated with the risk of osteosarcoma. PMID: 26617886
  11. Endostatin is increased in patients with primary sjogren's syndrome patients with interstitial lung disease. PMID: 27214260
  12. Data show that endostatin levels were elevated in patients with systemic sclerosis (SSc) and mixed connective tissue disease (MCTD). PMID: 26315510
  13. promoter methylation significantly increased in nasal polyp tissues PMID: 26275402
  14. Collaterals formation seems to be associated with the activation of pro-inflammatory factors, growth factors and endostatin in chronic heart failure. PMID: 26771970
  15. Genebased analyses revealed associations of the COL18A1 gene with longitudinal Blood Pressure phenotypes, associations with essential hypertension, Blood Pressure salt sensitivity, preeclampsia, or preclinical stages of atherosclerosis. PMID: 25424718
  16. Study demonstrates that endostatin has novel ATPase activity, which mediates its antiangiogenic and antitumor activities. PMID: 25788476
  17. ADAM8 and endostatin play a role in osteosarcoma progression. PMID: 25481287
  18. High endostatin expression is associated with malignant pleural effusions in lung cancer. PMID: 25339042
  19. In 2 large cohort studies using serum endostatin as a marker for disease severity and mortality in pulmonary arterial hypertension, a variant in the gene encoding ES, Col18a1, was linked independently with reduced mortality. PMID: 25489667
  20. Serum endostatin is raised in older men who have symptoms of intermittent claudication. PMID: 24600079
  21. The ratio of VEGF/endostatin levels was significantly higher in operable non-small cell lung cancer patients than in normal controls. PMID: 24998915
  22. Female type 2 diabetes mellitus patients have higher serum endostatin levels than males and exercise increases levels in both sexes. PMID: 24393402
  23. Our preliminary findings provide new evidence that endostatin/collagen XVIII concentration in the CSF increases substantially in patients with sTBI PMID: 24089677
  24. Higher endostatin levels are associated with increased risk of early onset pre-eclampsia PMID: 23958573
  25. Hepatocellular carcinoma shows significantly elevated serum levels of angiogenic factors VEGF and Ang-2 and of anti-angiogenic factors endostatin and angiostatin. PMID: 23912396
  26. These results suggest genetic variation in COL15A1 and COL18A1 can modify the age of onset of both early and late onset POAG. PMID: 23621901
  27. data suggest that KS is only caused by biallelic mutations in COL18A1 PMID: 23667181
  28. indicative of good tumor blood supply and permeability of vasculature, are associated with high levels of collagen XVIII and VEGF expression PMID: 23605255
  29. High serum endostatin was associated with increased mortality risk in 2 independent community-based cohorts of the elderly. PMID: 24030549
  30. Transcription levels of VEGF and endostatin by RT-PCR may be an adjunct to cytology screening for early detection of cervical carcinomas and may determine the progressive potentiality of individual lesions, especially in high-risk patients. PMID: 24021340
  31. Binding of VEGF-C and endostatin to recombinant VEGFR-3 is competitive. PMID: 22512651
  32. common germline variants in Endostatin and eNOS genes have predictive significance for clinical outcome and survivality in advanced gastric cancer patients treated with first-line chemotherapy. PMID: 23641912
  33. Report pre/postoperative endostatin levels in surgically treated gastrointestinal cancers. PMID: 22819906
  34. a potential role for collagen XXIII in mediating metastasis by facilitating cell-cell and cell-matrix adhesion as well as anchorage-independent cell growth. PMID: 21963851
  35. Endostatin lowers blood pressure via nitric oxide and prevents hypertension associated with VEGF inhibition PMID: 22733742
  36. In osteosarcoma, expression of endostatin was positively correlated with that of CD34, and was greater in poorly differentiated osteosarcoma than in highly differentiated osteosarcoma. Expression of endostatin correlated with osteosarcoma metastasis. PMID: 22009965
  37. The detection of VEGF mRNA and endostatin mRNA appears to be suitable for distinguishing carcinoma cells from reactive mesothelial cells in pleural effusions, they could be useful to diagnose the pleural micrometastasis. PMID: 22431315
  38. Findings indicate that COL18A1 rs7499 may contribute to the risk of Hepatocellular carcinoma (HCC) in Han Chinese. PMID: 22461898
  39. Soluble FZC18 and Wnt3a physically interact in a cell-free system and soluble FZC18 binds the frizzled 1 and 8 receptors. PMID: 22303445
  40. study demonstrated significantly elevated endostatin levels in serum and urine samples of bladder cancer patients and show that high endostatin serum concentrations significantly correlate with the presence of lymph node metastasis PMID: 21815140
  41. Peripheral blood osteopontin (OPN) and endostatin (END) levels were studied in 35 patients with adrenal cortex tumors and 10 patients with pheochromocytoma before unilateral adrenalectomy, as well as in 10 healthy subjects (controls). PMID: 21968021
  42. Endostatin induces autophagy in endothelial cells by modulating Beclin 1 and beta-catenin levels PMID: 19298526
  43. Cysteine cathepsins S and L modulate anti-angiogenic activities of human endostatin. PMID: 21896479
  44. Endostatin can effectively inhibit rat peritoneum neoangiogenesis and the effect was dose-dependent. PMID: 21457400
  45. The aim of the study was to evaluate and compare the circulating concentrations of OPN, E-selectin and END of severely obese patients with metabolic syndrome before and after vertical banded gastroplasty. PMID: 21486700
  46. Common polymorphisms in four candidate genes (COL11A1, COL18A1, FBN1 and PLOD1) were unlikely to play important roles in the genetic susceptibility to high myopia. PMID: 21527992
  47. Lack of collagen XVIII long isoforms affects kidney podocytes, whereas the short form is needed in the proximal tubular basement membrane PMID: 21193414
  48. Data show that hypertriglyceridemia occurs in Knobloch patients lacking the vascular form of Col18. PMID: 21085708
  49. suggest that collagen XVIII/endostatin preserves the integrity of the extracellular matrix and capillaries in the kidney, protecting against progressive glomerulonephritis PMID: 20616167
  50. Elevated preoperative serum levels of endostatin in patients with clear cell renal cell carcinoma are associated with higher stage and grade. PMID: 19615205

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Involvement in disease
Knobloch syndrome 1 (KNO1)
Subcellular Location
Secreted, extracellular space, extracellular matrix. Secreted, extracellular space, extracellular matrix, basement membrane.; [Non-collagenous domain 1]: Secreted, extracellular space, extracellular matrix, basement membrane. Secreted.; [Endostatin]: Secreted. Secreted, extracellular space, extracellular matrix, basement membrane.
Protein Families
Multiplexin collagen family
Tissue Specificity
Present in multiple organs with highest levels in liver, lung and kidney.
Database Links

HGNC: 2195

OMIM: 120328

KEGG: hsa:80781

STRING: 9606.ENSP00000347665

UniGene: Hs.517356

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