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1.
Indian J Exp Biol ; 1992 Feb; 30(2): 77-9
Article in English | IMSEAR | ID: sea-62782

ABSTRACT

Effect of thyroidectomy and replacement therapy with L-T4, on liver and plasma biochemical constituents of E. bruniceps, was studied during January (recovery phase). Thyroidectomy elevated significantly the levels of plasma glucose, protein, cholesterol, diglyceride, hepatic cholesterol and depressed significantly hepatic free fatty acid without affecting liver and body weights. Treatment of thyroidectomized birds with L-T4 restored liver and plasma constituents, but had significantly depressed plasma phospholipid. These findings suggest that thyroid hormones are critically involved in lipo-regulatory mechanism(s) in E. bruniceps.


Subject(s)
Animals , Birds/physiology , Blood Glucose/analysis , Blood Proteins/analysis , Lipid Metabolism , Liver/metabolism , Thyroid Gland/physiology
2.
Rev. ciênc. bioméd. (Säo Paulo) ; 11: 97-103, 1990. tab, ilus
Article in English | LILACS | ID: lil-131945

ABSTRACT

Foi estudado o efeito da tireoidectomia e da L. tiroxina nas taxas de respiraçäo de tecidos relacionados (fígado, coraçäo, rim, músculo) da serpente de água doce, Xenochrophis piscator. A taxa de absorçäo de oxigênio variou nos diferentes tecidos. Um declínio significativo (p < 0,01) no consumo de oxigênio, ocorreu em todos os tecidos após a tireoidectomia, que foi recuperado pela terapia com L. tiroxina in vivo. A administraçäo de L-tiroxina ter efeito estimulador sobre o consumo de oxigênio. O tratamento com L-tiroxina in vivo também estimulou a taxa de respiraçäo tecidual, independentemente da condiçäo tireoideana do animal


Subject(s)
Animals , Oxygen Consumption , Oxygen Consumption/physiology , Elapidae/physiology , In Vitro Techniques , Thyroidectomy/adverse effects , Thyroxine/pharmacology , Heart/physiology , Liver/physiology , Thyroid Gland/physiology , Kidney/physiology , Muscles/physiology
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