Treadmill exercise modulates nitric oxide synthase expression in the hypothalamus of streptozotocin-induced diabetic rats

Hong Kim, Mal Soon Shin, Taeck Hyun Lee, Hyun Kyung Chang, Mi-Hyeon D Jang, Min Chul Shin, Baek Vin Lim, Hee Hyuk Lee, Young Pyo Kim, Chang Ju Kim

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Nitric oxide (NO) is a free radical synthesized from L-arginine by nitric oxide synthase (NOS). NO is crucially involved in the regulation of food intake and it is also closely implicated in the abnormalities of food intake such as hyperphagia. In the present study, the effects of treadmill exercise on the expressions of NOS and neuronal nitric oxide synthase (nNOS) in the hypothalamus of streptozotocin-induced diabetic rats were investigated. Sprague-Dawley rats were divided into four groups; the control-rest group, the control-exercise group, the diabetes-rest group, and the diabetes-exercise group. Rats in the exercise groups were put on the treadmill to run for 30 minutes once a day for 6 consecutive days. The results of the present study is that treadmill exercise suppressed diabetes-induced increase of NOS and nNOS expressions in the hypothalamus. These results suggest the possibility that treadmill exercise may reduce the increased appetite induced by diabetes.

Original languageEnglish (US)
Pages (from-to)95-105
Number of pages11
JournalNutrition Research
Volume24
Issue number1
DOIs
StatePublished - Jan 2004
Externally publishedYes

Fingerprint

Streptozocin
Nitric Oxide Synthase
Hypothalamus
Nitric Oxide Synthase Type I
Nitric Oxide
Appetite Regulation
Hyperphagia
Control Groups
Appetite
Free Radicals
Sprague Dawley Rats
Arginine
Eating

Keywords

  • Diabetes
  • Hypothalamus
  • Nitric oxide synthase
  • Streptozotocin
  • Treadmill exercise

ASJC Scopus subject areas

  • Endocrinology
  • Endocrinology, Diabetes and Metabolism

Cite this

Treadmill exercise modulates nitric oxide synthase expression in the hypothalamus of streptozotocin-induced diabetic rats. / Kim, Hong; Shin, Mal Soon; Lee, Taeck Hyun; Chang, Hyun Kyung; Jang, Mi-Hyeon D; Shin, Min Chul; Lim, Baek Vin; Lee, Hee Hyuk; Kim, Young Pyo; Kim, Chang Ju.

In: Nutrition Research, Vol. 24, No. 1, 01.2004, p. 95-105.

Research output: Contribution to journalArticle

Kim, Hong ; Shin, Mal Soon ; Lee, Taeck Hyun ; Chang, Hyun Kyung ; Jang, Mi-Hyeon D ; Shin, Min Chul ; Lim, Baek Vin ; Lee, Hee Hyuk ; Kim, Young Pyo ; Kim, Chang Ju. / Treadmill exercise modulates nitric oxide synthase expression in the hypothalamus of streptozotocin-induced diabetic rats. In: Nutrition Research. 2004 ; Vol. 24, No. 1. pp. 95-105.
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AB - Nitric oxide (NO) is a free radical synthesized from L-arginine by nitric oxide synthase (NOS). NO is crucially involved in the regulation of food intake and it is also closely implicated in the abnormalities of food intake such as hyperphagia. In the present study, the effects of treadmill exercise on the expressions of NOS and neuronal nitric oxide synthase (nNOS) in the hypothalamus of streptozotocin-induced diabetic rats were investigated. Sprague-Dawley rats were divided into four groups; the control-rest group, the control-exercise group, the diabetes-rest group, and the diabetes-exercise group. Rats in the exercise groups were put on the treadmill to run for 30 minutes once a day for 6 consecutive days. The results of the present study is that treadmill exercise suppressed diabetes-induced increase of NOS and nNOS expressions in the hypothalamus. These results suggest the possibility that treadmill exercise may reduce the increased appetite induced by diabetes.

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