L-硒甲基硒代半胱氨酸 T7727

Product Introduction
Bioactivity


英文名: Se-Methylselenocysteine

描述: Se-Methylselenocysteine (Se-MSC) 是具有口服活性的甲基硒前体，具有强大的抗氧化活性和抗癌活性。Se-Methylselenocysteine 可诱导细胞凋亡。

体外活性: Se-Methylselenocysteine displayed strong inhibitory effects on cell proliferation and viability of SKOV-3 cells in dose and time dependent manners and induced apoptosis. Pretreatment of cells with the caspase inhibitors (z-VAD-fmk and DEVD-CHO) prevented Se-Methylselenocysteine-induced apoptosis. In late stage of apoptosis, p18kDa fragment of Bax was generated with the down-regulation of the expressions of survivin, X-linked inhibitor of apoptosis protein, and human inhibitor of apoptosis protein 1 following Se-Methylselenocysteine treatment. Pre-treatments of z-VAD-fmk and the calpain inhibitor, calpeptin inhibited Bax cleavage. Taken together, the chemopreventive effects of Se-Methylselenocysteine may be related in part to the caspase-3 activation, the down-regulation of IAP family proteins, and Bax cleavage mediated by caspase-dependent calpain activation[2].

体内活性: AD mice are treated with Se-Methylselenocysteine (0.75 mg kg-1 BW per day) in their drinking water for 10 months. Results reveal that Se-Methylselenocysteine 1) reduces oxidative stress and neuro-inflammation; 2) modulates the distribution and levels of several metal ions; 3) decreases amyloid-β peptide (Aβ) generation by inhibiting the expression of its precursor protein APP and β-secretase (BACE1); and 4) attenuates tau hyperphosphorylation and neurofibrillary tangles (NFT) formation via promoting protein phosphatase 2A (PP2A) activity, thereby preserving synaptic proteins and neuron activities and finally improving spatial learning and memory deficits in AD model mice[4].

存储条件: Powder: -20°C for 3 years | In solvent: -80°C for 1 year

溶解度: H2O : 83.33 mg/mL (457.66 mM)


关键字: caspase-3 | A253 | neck | SKOV-33 | FaDu | Apoptosis | chemopreventive | cancer | cells | head | Se-Methylselenocysteine | Inhibitor | SeMethylselenocysteine | orally | Methylselenocysteine | Se Methylselenocysteine | inhibit

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