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  • 标题:Effect of Vitamin B6 on Dissecting Aneurysm of Rats Fed β-Aminopropionitrle
  • 本地全文:下载
  • 作者:Kazuhiko KONO ; Michihiko HAYAKAWA ; Fumio KUZUYA
  • 期刊名称:Journal of Clinical Biochemistry and Nutrition
  • 印刷版ISSN:0912-0009
  • 电子版ISSN:1880-5086
  • 出版年度:1987
  • 卷号:2
  • 期号:3
  • 页码:253-259
  • DOI:10.3164/jcbn.2.253
  • 出版社:The Society for Free Radical Research Japan
  • 摘要:Effects of pyridoxal 5′-phosphate on enzymatic reactions of cross-link formation in collagen and elastin were studied. In this study, we observed that pyridoxal 5′-phosphate combined with β-aminopropionitrile to competitively reverse the inhibition of activities of vitamin B6-dependent enzymes brought about by β-aminopropionitrile in vitro . In addition, we observed that a sufficient dose of pyridoxine hydrochloride prevented the occurrence of dissecting aneurysm of SD rats fed β-aminopropionitrile. From the above results, we assume that β-aminopropionitrile inhibited the lysyl oxidase by binding with the pyridoxal 5′-phosphate that is necessary for the activation of lysyl oxidase.
  • 关键词:vitamin B6;pyridoxal phosphate;dissecting aneurysm;β-aminopropionitrile;lysyl oxidase
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