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Effects of Naoxintong-containing serum on NO and CGRP in rat cerebral microvascular endothelial cells

  • Lanfang, Li (Tang Center for Herbal Medicine Research, Institute of Chinese Materia Medica, China Academy of TCM) ;
  • Canghai, Li (Tang Center for Herbal Medicine Research, Institute of Chinese Materia Medica, China Academy of TCM) ;
  • Haixia, Dang (Shaanxi Xianyan Changfeng Pharmaceutics Company) ;
  • Nan, Jiang (Tang Center for Herbal Medicine Research, Institute of Chinese Materia Medica, China Academy of TCM) ;
  • Jianyou, Guo (Tang Center for Herbal Medicine Research, Institute of Chinese Materia Medica, China Academy of TCM) ;
  • Shuying, Guo (Tang Center for Herbal Medicine Research, Institute of Chinese Materia Medica, China Academy of TCM) ;
  • Hairu, Huo (Tang Center for Herbal Medicine Research, Institute of Chinese Materia Medica, China Academy of TCM) ;
  • Tingliang, Jiang (Tang Center for Herbal Medicine Research, Institute of Chinese Materia Medica, China Academy of TCM)
  • Published : 2005.09.30

Abstract

Effects of Naoxintong (NXT, a formula of Chinese Materia Medica)-containing serum on Nitrogen monoxide (NO) and calcitonin gene related peptide (CGRP) in rat cerebral microvascular endothelial cells (rCMEC) was investigated, rCMEC was injured in vitro by incubating for 4 hours at 100% NO in a hypoxia chamber. The results indicated that NXT could antagonize the reduction of NO and CGRP secreted by rCMEC during hypoxia, the effect of which was dose-dependent. After treated with NXT-containing serum at dosage of 5.0 - 30 and 50 -1.1 g/kg/U respectively, the amount of NO and CGRP secreted by rCMEC were remarkably increased during hypoxia in vitro.

Keywords

References

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