维生素C钠 T6674

Product Introduction
Bioactivity


英文名: L-Ascorbic acid sodium salt

描述: L-Ascorbic acid sodium salt (Vitamin C sodium salt) 是一种电子供体，是一种内源性抗氧化剂。它还是一种胶原沉积促进剂和弹性生成抑制剂。它选择性抑制 Cav3.2 通道(Cav3.2 channels)，IC50为 6.5 μM。

体外活性: Sodium ascorbate has a growth inhibiting action only at high concentrations in cultured human neoplastic cell lines MCF-7 (breast carcinoma), KB (oral epidermoid carcinoma), and AN3-CA (endometrial adenocarcinoma). Sodium ascorbate combined with vitamin K3 demonstrates a synergistic inhibition of cell growth at 10 to 50 times lower concentrations in cultured human neoplastic cell lines MCF-7, KB, and AN3-CA, at this level separately given vitamins are not toxic. This tumor cell growth inhibitory effect is completely suppressed by the addition of catalase to the culture medium containing vitamins C and K3, suggesting an excessive production of hydrogen peroxide as being implied in mechanisms responsible for the above-mentioned effects. [1] Sodium ascorbate combined with vitamin K3 results in a synergistic effect on growth inhibition in cultured human endometrial adenocarcinoma (AN3CA) cells. [2] Sodium ascorbate results in a rapid increase in the intracellular concentration of Ca2+ ions and subsequent apoptotic cell death in HL-60 cells, characterized by cell shrinkage, nuclear fragmentation and cleavage of internucleosomal DNA to yield fragments that are multiples of 180-200 base pairs, are induced. [3] Sodium ascorbate (100 μM) induces DNA single-strand breaks in human cells, Fibroblasts and Molt-4 cells are significantly more sensitive than lymphocytes. Sodium ascorbate (50 μM) results in significant cell loss in Molt-4 cells, but not in lymphocyte and fibroblast cultures. [4]

体内活性: Tg rats treated with sodium?L-ascorbate show a higher incidence of carcinoma (29.6%), compared to those without sodium?L-ascorbate (15.4%). Independent of the sodium?L-ascorbate treatment, transgenic rats exhibit various kinds of malignant tumors in various organs[5]. After 12 weeks of PEITC-treatment, both simple hyperplasia and papillary or nodular (PN) hyperplasia have developed in all animals, but the majority of these lesions have disappeared at week 48, irrespective of the sodium?L-ascorbate-treatment. The same lesions after 24 weeks of PEITC-treatment have progressed to dysplasia and carcinoma, in a small number of cases by week 48, but enhancement by the sodium?L-ascorbate-treatment is evident only with simple hyperplasias and PN hyperplasias in rats[6].

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

溶解度: DMSO : 6.25 mg/mL (31.39 mM)
H2O : 198.9 mM


关键字: Ca channels | Vitamin C | Reactive Oxygen Species | L Ascorbic acid sodium salt | inhibit | Inhibitor | Ca2+ channels | L-Ascorbic acid | LAscorbic acid sodium salt | Endogenous Metabolite | Calcium Channel | Vitamin C sodium | Apoptosis

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相关库: Anti-Aging Compound Library | Antioxidant Compound Library | Drug Repurposing Compound Library | Anti-Colorectal Cancer Traditional Chinese Medicine Compound Library | Oxidation-Reduction Compound Library | Anti-Cancer Drug Library | Membrane Protein-targeted Compound Library | Inhibitor Library | Anti-Cancer Approved Drug Library | Traditional Chinese Medicine Monomer Library

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