Zinc and nitric oxide synthase inhibitor L-NAME attenuate NPY-induced feeding in mice

Chao Wen Cheng, Pi Yao Lin, Ming Der Chen

研究成果: 雜誌貢獻文章同行評審

7 引文 斯高帕斯(Scopus)

摘要

The influences of zinc (Zn) and the nitric oxide synthase (NOS) inhibitor L-NAME on peripheral neuropeptide Y (NPY)-induced feeding in mice were investigated. Male mice received NPY (200 ng/d/mouse subcutaneously) and were separated into four groups based on cotreatments (with or without Zn [0.1 mg/mL]) and with or without L-NAME [0.2 mg/mL]) administered in drinking water for 10 d. A control group that received saline injection was also studied. The results showed that NPY, with or without any studied chemicals, did not affect body weight gain or body fat content. However, the mice that were administered NPY alone had increased energy intakes, higher serum triglyceride and free fatty acid, and lower serum glucose than saline- injected controls. NPY-treated mice that were given Zn and L-NAME cotreatments had compatible results of determined variables in comparison with control mice. This study showed that Zn and L-NAME attenuated NPY- mediated feeding and selected serum variables in mice. However, the mechanisms of the interactions among NPY, Zn and NOS, and their effects on appetite regulation, remain to be elucidated.
原文英語
頁(從 - 到)21-27
頁數7
期刊Biological Trace Element Research
75
發行號1-3
出版狀態已發佈 - 2000
對外發佈

ASJC Scopus subject areas

  • 生物化學、遺傳與分子生物學 (全部)
  • 內分泌
  • 內分泌學、糖尿病和代謝

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