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Short-term effects of 3,5,3′-triiodothyronine on the intermediary metabolism of the dogfish sharkSqualus acanthias: Evidence from enzyme activities

✍ Scribed by Battersby, Brendan J.; McFarlane, Wendy J.; Ballantyne, James S.


Publisher
John Wiley and Sons
Year
1996
Tongue
English
Weight
578 KB
Volume
274
Category
Article
ISSN
0022-104X

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✦ Synopsis


Plasma 3,5,3'-triiodothyronine (T3) concentration decreased significantly (P < 0.051, during 1-5 days of captivity, from levels in the freshly caught dogfish shark Squalus acanthias. The short-term effects of T3 treatment on the intermediary metabolism of S. acanthias were measured in the gill, kidney, liver, and white muscle. Animals were kept for 1-5 days before experimentation. Three hours after a n intraperitoneal injection with either a low T3 dose (8.3 pmol Td '921, there is reason to suspect that elasmobranchs may respond differently to short-term T3 treatment.


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