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IJBB Vol.43 [2006] >
IJBB Vol.43(2) [April 2006] >


Title: Rapid regulatory effect of tri-iodothyronine (T₃) on antioxidant enzyme activities in a fish Anabas testudineus (Bloch): Short-term in vivo and in vitro study
Authors: Sreejith, P
Oommen, O V
Keywords: Anabas testudineus
Antioxidant enzyme
Fish
Free radicals
Lipid peroxidation
Thyroid
tri-iodothyronine
Issue Date: Apr-2006
Publisher: CSIR
Abstract: The short-term action of thyroid hormone tri-iodothyronine (T₃) was studied in vivo and in vitro on antioxidant enzyme activities in a teleost Anabas testudineus (Bloch). T₃ injection in vivo (200 ng) in normal fish decreased the lipid peroxidation products and increased superoxide dismutase (SOD), catalase and glutathione peroxidase (GPx) activities after 30 min. T₃ in vitro (10⁻⁶ M) increased the antioxidant activities of catalase, glutathione reductase (GR), GPx and glutathione level after 15/30 min, except SOD, substantiating in vivo effects in normal fish. The results suggest a rapid regulatory effect of thyroid hormone in vivo and in vitro, in the removal of reactive oxygen species in A. testudineus.
Page(s): 119-122
ISSN: 0301-1208
Source:IJBB Vol.43(2) [April 2006]

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