Triiodothyronine-I131 Uptake by Bull Spermatozoa.
- 1 April 1962
- journal article
- research article
- Published by Frontiers Media SA in Experimental Biology and Medicine
- Vol. 109 (4), 974-976
- https://doi.org/10.3181/00379727-109-27395
Abstract
[long dash]The uptake of T3-I13I triiodothyronine-I131 by bull spermatozoa was studied. Trials with frozen semen (-79[degree]C) and stored semen (5[degree]C) indicated that uptake of T3-I131 by spermatozoa was related to viability of the spermatozoa. Uptake of T3-I131 by spermatozoa was independent of the amount of T3 added to the diluted semen within the range studied The composition of the spermatozoa diluent greatly influenced uptake of T3-I131 by spermatozoa. Washed spermatozoa suspended in a 3% sodium citrate diluent had a much greater uptake of T3-I13I than washed spermatozoa suspended in an egg yolk-sodium citrate diluent, indicating that diluent constituents may compete with the spermatozoa for uptake or binding of T3-I13I.Keywords
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