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Blood and serum analyses of cold-exposed chipmunks

Animal Cells and Systems 2003년 7권 1호 p.29 ~ 33
길영기, 이준혁, 최영현, 문대연, 조운복, 최병태,
소속 상세정보
길영기 ( Gil Young-Gi ) - Kosin University College of Medicine Department of Anatomy
이준혁 ( Lee Jun-Hyuk ) - Dong-Eui University College of Oriental Medicine Department of Anatomy
최영현 ( Choi Young-Hyun ) - Dong-Eui University College of Oriental Medicine Department of Biochemistry
문대연 ( Moon Dae-Yeon ) - National Fisheries Research and Development Institute
조운복 ( Jo Un-Bock ) - Pusan National University College of Education Department of Biology Education
최병태 ( Choi Byung-Tae ) - Dong-Eui University College of Oriental Medicine Department of Anatomy

Abstract


To understand the adaptational strategy of Korean chipmunks (Tamias sibiricus) to cold temperature, blood and serum properties, and thyroid gland activity of cold?exposed chipmunks were examined. The number of erythrocytes and hemoglobin concentration increased, but platelets decreased in cold?exposed chipmunks compared with warm chipmunks. Serum total protein levels increased at early phase of cold?exposure, and decreased thereafter. Plasma glucose levels showed a transitory increase in cold temperature. Although there was significant decrease in serum total thyroxine level in cold?exposed chipmunks, serum total triiodothyronine level changed little. Histological analysis of thyroid glands demonstrated decreased thyroid activity, suggesting that differences in the blood and serum properties between the warm and cold?exposed chipmunks may be due to the different metabolic strategy associated with cold temperature.

키워드

hibernation; Korean chipmunk; blood glucose; total protein; thyroid gland; T3, T4

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