大鼠Tgfb1重组蛋白LAP（TGF-beta-1)Rat

英文名称：

Recombinant Rat Transforming growth factor beta-1 proprotein (Tgfb1), partial

品名简称：

Recombinant Rat Tgfb1 protein, partial

货号：

CSB-BP023446RA

规格:

20μg

价格：

3168

LC-MS/Western Blot：

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SDS-PAGE：

(Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.

纯度：

Greater than 85% as determined by SDS-PAGE.

内毒素：

Not test

生物活性：

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基因名：

Tgfb1

Uniprot No.：

P17246

别名：

LAP (TGF-beta-1)

种属：

Rattus norvegicus (Rat)

蛋白长度：

Partial

来源：

Baculovirus

分子量：

29.6 kDa

表达区域：

30-278aa

氨基酸序列：

LSTCKTIDMELVKRKRIEAIRGQILSKLRLASPPSQGEVPPGPLPEAVLALYNSTRDRVAGESADPEPEPEADYYAKEVTRVLMVDRNNAIYDKTKDITHSIYMFFNTSDIREAVPEPPLLSRAELRLQRFKSTVEQHVELYQKYSNNSWRYLGNRLLTPTDTPEWLSFDVTGVVRQWLNQGDGIQGFRFSAHCSCDSKDNVLHVEINGISPKRRGDLGTIHDMNRPFLLLMATPLERAQHLHSSRHRR

蛋白标签：

N-terminal 6xHis-tagged

产品提供形式：

Liquid or Lyophilized powder

缓冲液：

If the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol. If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.

储存条件：

We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.

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℃/-80℃. The shelf life of lyophilized form is 12 months at -20℃/-80℃.

货期：

28-38 business days

注意事项：

Repeated freezing and thawing is not recommended. Store working aliquots at 4℃ for up to one week.

功能1：

Transforming growth factor beta-1: Multifunctional protein that regulates the growth and differentiation of various cell types and is involved in various processes, such as normal development, immune function, microglia function and responses to neurodegeneration . Activation into mature form follows different steps: following cleavage of the proprotein in the Golgi apparatus, Latency-associated peptide and Transforming growth factor beta-1 chains remain non-covalently linked rendering TGF-beta-1 inactive during storage in extracellular matrix . At the same time, LAP chain interacts with 'milieu molecules', such as LTBP1, LRRC32/GARP and LRRC33/NRROS that control activation of TGF-beta-1 and maintain it in a latent state during storage in extracellular milieus. TGF-beta-1 is released from LAP by integrins : integrin-binding to LAP stabilizes an alternative conformation of the LAP bowtie tail and results in distortion of the LAP chain and subsequent release of the active TGF-beta-1 . Once activated following release of LAP, TGF-beta-1 acts by binding to TGF-beta receptors , which transduce signal . While expressed by many cells types, TGF-beta-1 only has a very localized range of action within cell environment thanks to fine regulation of its activation by Latency-associated peptide chain and 'milieu molecules' . Plays an important role in bone remodeling: acts as a potent stimulator of osteoblastic bone formation, causing chemotaxis, proliferation and differentiation in committed osteoblasts . Can promote either T-helper 17 cells or regulatory T-cells lineage differentiation in a concentration-dependent manner . At high concentrations, leads to FOXP3-mediated suppression of RORC and down-regulation of IL-17 expression, favoring Treg cell development . At low concentrations in concert with IL-6 and IL-21, leads to expression of the IL-17 and IL-23 receptors, favoring differentiation to Th17 cells . Stimulates sustained production of collagen through the activation of CREB3L1 by regulated intramembrane proteolysis . Mediates SMAD2/3 activation by inducing its phosphorylation and subsequent translocation to the nucleus. Can induce epithelial-to-mesenchymal transition and cell migration in various cell types .

功能2：

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文献：

"Activation of rat alveolar macrophage-derived latent transforming growth factor beta-1 by plasmin requires interaction with thrombospondin-1 and its cell surface receptor, CD36." Yehualaeshet T., O'Connor R., Green-Johnson J., Mai S., Silverstein R., Murphy-Ullrich J.E., Khalil N. Am. J. Pathol. 155:841-851(1999)

研究领域：

Cancer

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