异水飞蓟宾B TN1805

Product Introduction
Bioactivity


英文名: Isosilybin B

描述: Isosilybin B 是一种从水飞蓟中提取的黄酮木脂素，具有抗前列腺癌 (PCA) 活性，对癌细胞增殖有抑制作用，促使 G1 期阻滞和凋亡。Isosilybin B 诱导雄激素受体降解。

体外活性: Isosilybin B also inhibited the microvessel sprouting from mouse dorsal aortas ex vivo, and the VEGF-induced cell proliferation, capillary-like tube formation, and invasiveness of human umbilical vein endothelial cells (HUVEC) in vitro. Further studies in HUVEC showed that these diastereoisomers target cell cycle, apoptosis, and VEGF-induced signaling cascade. Three-dimensional growth assay as well as co-culture invasion and in vitro angiogenesis studies (with HUVEC and DU145 cells) suggested the differential effectiveness of the diastereoisomers toward PCA and endothelial cells.[3]

体内活性: Isosilybin B (50 and 100 mg/kg body weight; oral) effectively inhibits the growth of advanced human PCA DU145 xenografts. Immunohistochemical analyses revealed that Isosilybin B inhibit tumor angiogenesis biomarkers (CD31 and nestin) and signaling molecules regulating angiogenesis (VEGF, VEGFR1, VEGFR2, phospho-Akt, and HIF-1α±) without adversely affecting the vessel-count in normal tissues (liver, lung, and kidney) of tumor-bearing mice.[3]

存储条件: store at low temperature,keep away from direct sunlightPowder: -20°C for 3 years | In solvent: -80°C for 1 year

关键字: Isosilybin B

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注：该产品未在中华人民共和国食品药品监督管理部门申请医疗器械注册和备案，不可用于临床诊断或治疗等相关用途