Chang, Sue-Joan published 《Vitamin B6 antagonists alter the function and ultrastructure of mice endothelial cells》 in 2000. The article was appeared in 《Journal of Nutritional Science and Vitaminology》. They have made some progress in their research.Product Details of 148-51-6 The article mentions the following:
Vitamin B6 is necessary for normal cell membrane function and stability. We studied both the function and ultrastructure of aortic and arterial endothelial cells (EC) in vitamin B6 deficiency induced by vitamin B6 antagonists 4-deoxypyridoxine HCl (dPN·HCl) and isonicotinylhydrazide (INH) given in drinking water to 1-mo-old ICR mice. The mice were fed normal laboratory chow and divided into 3 groups. Mice in group I were given distilled water (control), group II was given 0.1 mg dPN·HCl/mL water, and group III 0.4 mg INH/mL water. After 5 mo the blood plasma concentrations of B6 vitamers pyridoxal-5′-phosphate (PLP) and pyridoxal (PL) were analyzed by HPLC. With arachidonic acid (AA) as a precursor, the PGI2 production by EC was assayed by thin-layer chromatog. (TLC) as an indicator of endothelial function. Aorta and arterioles from the foot pad were removed, stained with osmium tetraoxide, and examined by transmission electron microscopy to evaluate the EC ultrastructure. The blood plasma concentrations of PLP, PL, and total B6 were lowest for mice fed INH, followed by dPN·HCl and control. The PGI2 production was paralleled by the plasma vitamin B6 status, with the lowest levels in the INH group, followed by the dPN·HCl group. Abnormalities in the EC ultrastructure were found in both dPN·HCl and INH groups, including cells detached from underlying elastic tissue, with prominent pinocytotic vesicles and swelling and/or indistinct cristae of mitochondria. Thus, vitamin B6 antagonists can induce a deficient status that alters the function and ultrastructure of EC similar to vascular disease.5-(hydroxymethyl)-2,4-dimethylpyridin-3-ol hydrochloride (cas: 148-51-6) were involved in the experimental procedure.
5-(hydroxymethyl)-2,4-dimethylpyridin-3-ol hydrochloride(cas:148-51-6 Product Details of 148-51-6) is a strong antagonist of vitamin B6. Deoxypyridoxine hydrochloride has been used as an analytical reference standard for the quantification of the analyte in food samples using high performance liquid chromatography.
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