The physiological and behavioral effects of subchronic intracisternal administration of TGF-β in rats: Comparison with the effects of CRF

Tetsuro Shibakusa, Yoko Iwaki, Wataru Mizunoya, Shigenobu Matsumura, Yuko Nishizawa, Kazuo Inoue, Tohru Fushiki

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

We studied the physiological an behavioral effects of subchronic intracisternal administration of transforming growth factor-β (TGF-β) for 7 days. Subchronic intracisternal administration of TGF-β significantly inhibited the increase in body weight of rats but did not affect food intake. In the measurement of locomotor activity after the final intracisternal administration on day 7, the total count for 1.5 h increased significantly in the TGF-β group compared with the vehicle group. However, that for 10 h was not different between both groups. Furthermore, significant elevations in oxygen consumption were observed in the TGF-β group during both light and dark phase. Subchronic TGF-β treatment induced a significant decrease in the number of total leukocytes and lymphocytes and the relative weight of the thymus, and a significant increase in brown adipose tissue weight. Corticotropin-releasing factor (CRF) is the primary neuroendocrine factor released in response to stress. Subchronic treatment with CRF, as a positive control, significantly affected body weight, food intake, oxygen consumption, total leukocyte and lymphocyte counts, and thymus and adrenal weight. Subchronic TGF-β administration partially mimicked the stress responses, implicating a role for TGF-β in the brain in stress.

Original languageEnglish
Pages (from-to)297-305
Number of pages9
JournalBiomedical Research
Volume27
Issue number6
DOIs
Publication statusPublished - Jan 10 2007

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Corticotropin-Releasing Hormone
Transforming Growth Factors
Rats
Thymus
Lymphocytes
Lymphocyte Count
Leukocyte Count
Weights and Measures
Oxygen Consumption
Thymus Gland
Eating
Body Weight
Oxygen
Brown Adipose Tissue
Locomotion
Brain
Tissue
Light

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)

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The physiological and behavioral effects of subchronic intracisternal administration of TGF-β in rats : Comparison with the effects of CRF. / Shibakusa, Tetsuro; Iwaki, Yoko; Mizunoya, Wataru; Matsumura, Shigenobu; Nishizawa, Yuko; Inoue, Kazuo; Fushiki, Tohru.

In: Biomedical Research, Vol. 27, No. 6, 10.01.2007, p. 297-305.

Research output: Contribution to journalArticle

Shibakusa, Tetsuro ; Iwaki, Yoko ; Mizunoya, Wataru ; Matsumura, Shigenobu ; Nishizawa, Yuko ; Inoue, Kazuo ; Fushiki, Tohru. / The physiological and behavioral effects of subchronic intracisternal administration of TGF-β in rats : Comparison with the effects of CRF. In: Biomedical Research. 2007 ; Vol. 27, No. 6. pp. 297-305.
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