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生物来源
bovine plasma
表单
lyophilized powder
比活
≥2.0 units/mg protein
浓度
2-7% protein (biuret)
适用性
not suitable for streptokinase determination by clot formation procedure
应用
histology
储存温度
2-8°C
基因信息
cow ... PLG(280897)
human ... PLG(5340)
生化/生理作用
纤溶酶原是蛋白酶纤溶酶的无活性前体。纤溶酶原由组织型纤溶酶原激活剂 (tPA) 激活，tPA 主要激活纤溶酶的纤维蛋白溶解（血栓溶解）活性，或者由尿激酶型纤溶酶原激活剂 (uPA) 激活，uPA 与细胞外基质重塑和细胞迁移有关。纤溶酶可裂解纤维蛋白/纤维蛋白原和凝血因子 V/Va 以及 VIII/VIIIa。它可通过裂解非活性酶原激活基质金属蛋白酶。还与某些生长因子的激活有关，如血管內皮生長因子 (VEGF) 和转化生长因子 β (TGF-β)。
The activated form of plasminogen, plasmin, was shown to promote the migration of melanoma and lung tumor cells plated on the extracellular matrix protein laminin by altering protein kinase C signaling. [1]
其他说明
不含 ε-氨基己酸
单位定义
当测定 5.0mL 体积中的高氯酸可溶性产物时，在 pH 7.5 和 37°C 下，一单位本品将使 α-酪蛋白在 20 分钟内产生 1.0 的 ΔA275。活性在尿激酶激活纤溶酶后测定。
外形
冻干粉，含 NaCl、EDTA、赖氨酸以及 Tris 缓冲盐
重悬
溶液应储存在含 20mM 赖氨酸的中性 pH 缓冲液中。蛋白质应尽量浓缩。分成小份在 -20°C 下冻存，可稳定保存几周。
储存分类代码
11 - Combustible Solids
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves, type N95 (US)
L Chikahisa et al.
Invasion & metastasis, 17(6), 323-333 (1997-01-01)
Using a pure chemotactic model, we investigated the effect of plasmin on tumor cell motility. In the presence of various extracellular matrix proteins, plasmin facilitated motility of human melanoma LOX and lung cancer Lu-99 cells. Laminin contributed most to the
Barbara Ruszkowska et al.
Acta obstetricia et gynecologica Scandinavica, 92(7), 841-846 (2013-03-12)
To assess the concentration of adiponectin, soluble E-selectin, soluble thrombomodulin and tissue activator plasminogen antigen in postmenopausal women who received oral or transdermal hormone therapy. Case-control study. Polish university hospitals. Seventy-six healthy postmenopausal women. Forty-six women who received oral (n
Yueling Zhang et al.
FEBS letters, 587(9), 1304-1309 (2013-03-12)
Cluster 1 streptokinases (SK1) from Streptococcus pyogenes (GAS) show substantially higher human plasminogen (hPg) activation activities and tighter hPg binding affinities than cluster 2b streptokinases (SK2b) in solution. The extent to which the different domains of SK are responsible for
Eri Kawashita et al.
Journal of neurochemistry, 126(1), 58-69 (2013-05-08)
The α2-Antiplasmin (α2AP) protein is known as a principal physiological inhibitor of plasmin, but we previously demonstrated that it acts as a regulatory factor for cellular functions independent of plasmin. α2AP is highly expressed in the hippocampus, suggesting a potential
Deepa Gautam et al.
Frontiers in cell and developmental biology, 10, 834016-834016 (2022-04-08)
Prion peptide (PrP) misfolds to infectious scrapie isoform, the β pleat-rich insoluble fibrils responsible for neurodegeneration and fatal conformational diseases in humans. The amino acid sequence 106-126 from prion proteins, PrP(106-126), is highly amyloidogenic and implicated in prion-induced pathologies. Here
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