Pineal modulation of thymus and immune function in a seasonally breeding tropical rodent, Funambulus pennanti.

作者: C Haldar , Rajesh Singh , None

DOI: 10.1002/1097-010X(20010201)289:2<90::AID-JEZ2>3.0.CO;2-S

关键词: LymphocyteSpleenMelatoninPinealectomyBiologyPineal glandInternal medicineImmune systemEndocrine glandHormoneEndocrinology

摘要: The immune system driven by cytokines is now known to be influenced various other endocrine glands and its hormones. Results of the present study indicate a bidirectional relation between pineal–thymus axis status an Indian tropical rodent, Funambulus pennanti, during winter months (reproductive inactive phase), when it faces maximum challenges from nature. Pinealectomy reproductive phase inhibited thymus spleen functions, which resulted in significant changes leukocyte lymphocyte counts T-cell–mediated function (measured terms delayed-type hypersensitivity response oxazolone). Blastogenic responses lymphoid cells (thymocytes, splenocytes, lymph node cells) also decreased following ablation pineal gland. To check definite role gland we injected melatonin into pinealectomized squirrels, suppressed was significantly restored. Neuroendocrine control on histocompatible tissues this seasonal breeder, F. suggests adaptive mechanism for survival zone. J. Exp. Zool. 289:90–98, 2001. © 2001 Wiley-Liss, Inc.

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