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- bs-2160R
- 2025年10月24日
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50ul/100ul/200ul
| 规格： | 50ul | 产品价格： | ￥1180.0 |
|---|---|---|---|
| 规格： | 100ul | 产品价格： | ￥1980.0 |
| 规格： | 200ul | 产品价格： | ￥2800.0 |
| 产品编号 | bs-2160R |
| 英文名称 | COL4A3/Tumstatin Rabbit pAb |
| 中文名称 | 肿瘤抑素抗体 |
| 英文别名 | Collagen alpha-3(IV) chain; alpha 3 type IV collagen; alpha3 type IV collagen; COL4A 3; Collagen IV alpha 3 polypeptide; Collagen type IV alpha 3(Goodpasture antigen); Collagen type IV alpha 3; Goodpasture antigen; OTTHUMP00000195044; Col4a3; CO4A3_HUMAN. |
| 产品应用 | IHC-P=1:100-600, IHC-F=1:100-600, IF=1:100-600 Not yet tested in other applications. |
| 交叉反应 | Mouse (Human, Rat) |
| 抗体来源 | Rabbit |
| 免疫原 | KLH conjugated synthetic peptide derived from human Tumstatin / Collagen alpha-3(IV) chain |
| 亚型 | IgG |
| 性状 | Liquid |
| 纯化方法 | affinity purified by Protein A |
| 克隆类型 | Polyclonal |
| 理论分子量 | 27/159 kDa |
| 浓度 | 1mg/ml |
| 储存液 | 0.01M TBS (pH7.4) with 1% BSA, 0.02% Proclin300 and 50% Glycerol. |
| 研究领域 | Cancer > Invasion/microenvironment > Angiogenesis > Angiogenic inhibitory factors Immunology > Immune System Diseases > Autoimmune Signal Transduction > Cytoskeleton / ECM > Extracellular Matrix > ECM Proteins > Collagen |
| 亚基 | here are six type IV collagen isoforms, alpha 1(IV)-alpha 6(IV), each of which can form a triple helix structure with 2 other chains to generate type IV collagen network. The alpha 3(IV) chain forms a triple helical protomer with alpha 4(IV) and alpha 5(IV); this triple helical structure dimerizes through NC1-NC1 domain interactions such that the alpha 3(IV), alpha 4(IV) and alpha 5(IV) chains of one protomer connect with the alpha 5(IV), alpha 4(IV) and alpha 3(IV) chains of the opposite promoter, respectively. Interacts with COL4A3BP AND ITGB3. Associates with LAMB2 at the neuromuscular junction and in GBM. |
| 亚细胞定位 | Secreted, extracellular space, extracellular matrix, basement membrane. Note=Colocalizes with COL4A4 and COL4A5 in GBM, tubular basement membrane (TBM) and synaptic basal lamina(BL). |
| 组织特异性 | Alpha 3 and alpha 4 type IV collagens are colocalized and present in kidney, eye, basement membranes of lens capsule, cochlea, lung, skeletal muscle, aorta, synaptic fibers, fetal kidney and fetal lung. PubMed:8083201 reports similar levels of expression of alpha 3 and alpha 4 type IV collagens in kidney, but PubMed:7523402 reports that in kidney levels of alpha 3 type IV collagen are significantly lower than those of alpha 4 type IV collagen. According to PubMed:8083201, alpha 3 type IV collagen is not detected in heart, brain, placenta, liver, pancreas, extrasynaptic muscle fibers, endoneurial and perineurial nerves, fetal brain, fetal heart and fetal liver. According to PubMed:7523402, alpha 3 type IV collagen is strongly expressed in pancreas, neuroretina and calvaria and not expressed in adrenal, ileum and skin. Isoform 1 and isoform 3 are strongly expressed in kidney, lung, suprarenal capsule, muscle and spleen, in each of these tissues isoform 1 is more abundant than isoform 3. Isoform 1 and isoform 3 are expressed at low levels in artery, fat, pericardium and peripherical nerve, but not in placenta, mesangium, skin, pleura and cultured umbilical endothelial cells. |
| 翻译后修饰 | Prolines at the third position of the tripeptide repeating unit (G-X-Y) are hydroxylated in some or all of the chains. Isoform 2 contains an additional N-linked glycosylation site. Type IV collagens contain numerous cysteine residues which are involved in inter- and intramolecular disulfide bonding. 12 of these, located in the NC1 domain, are conserved in all known type IV collagens. The trimeric structure of the NC1 domains is stabilized by covalent bonds between Lys and Met residues (By similarity). Phosphorylated by the Goodpasture antigen-binding protein/COL4A3BP. |
| 相似性 | Belongs to the type IV collagen family. Contains 1 collagen IV NC1 (C-terminal non-collagenous) domain. |
| 功能 | Type IV collagen is the major structural component of glomerular basement membranes (GBM), forming a 'chicken-wire' meshwork together with laminins, proteoglycans and entactin/nidogen. Tumstatin, a cleavage fragment corresponding to the collagen alpha 3(IV) NC1 domain, possesses both anti-angiogenic and anti-tumor cell activity; these two anti-tumor properties may be regulated via RGD-independent ITGB3-mediated mechanisms. |
| 保存条件 | Shipped at 4℃. Store at -20℃ for one year. Avoid repeated freeze/thaw cycles. |
| 注意事项 | This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications. |
| 背景资料 | Type IV collagen, the major structural component of basement membranes, is a multimeric protein composed of 3 alpha subunits. These subunits are encoded by 6 different genes, alpha 1 through alpha 6, each of which can form a triple helix structure with 2 other subunits to form type IV collagen. This gene encodes alpha 3. In the Goodpasture syndrome, autoantibodies bind to the collagen molecules in the basement membranes of alveoli and glomeruli. The epitopes that elicit these autoantibodies are localized largely to the non-collagenous C-terminal domain of the protein. A specific kinase phosphorylates amino acids in this same C-terminal region and the expression of this kinase is upregulated during pathogenesis. This gene is also linked to an autosomal recessive form of Alport syndrome. The mutations contributing to this syndrome are also located within the exons that encode this C-terminal region. Like the other members of the type IV collagen gene family, this gene is organized in a head-to-head conformation with another type IV collagen gene so that each gene pair shares a common promoter. [provided by RefSeq, Jun 2010] |
| 应用 | 推荐稀释比例 |
| {IHC-P} | {1:100-600} |
| {IHC-F} | {1:100-600} |
| {IF} | {1:100-600} |
Paraformaldehyde-fixed, paraffin embedded (mouse lung tissue); Antigen retrieval by boiling in sodium citrate buffer (pH6.0) for 15min; Block endogenous peroxidase by 3% hydrogen peroxide for 20 minutes; Blocking buffer (normal goat serum) at 37°C for 30min; Antibody incubation with (COL4A3) Polyclonal Antibody, Unconjugated (bs-2160R) at 1:400 overnight at 4°C, followed by operating according to SP Kit(Rabbit) (sp-0023) instructionsand DAB staining.
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文献和实验该产品被引用文献
[IF={{ 2.56 }}] {Yasuda, Jumpei, et al. "T3 peptide, a fragment of tumstatin, stimulates proliferation and migration of cardiac fibroblasts through activation of Akt signaling pathway." Naunyn-Schmiedeberg's Archives of Pharmacology(2017): 1-10.} {WB} {="Rat"}
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COL4A3/Tumstatin Rabbit pAb(bs-2160R)-50ul/100ul/200ul
￥1180 - 2800
