Article
Prolactin variants in ram adenohypophyses vary with season.
Endocrinology - 1 Feb 1992
Stroud C M, Deaver D R, Peters J L, Loeper D C, Toth B E, Derr J A, Hymer W C
Abstract excerpt
Secretion of PRL in sheep is affected by photoperiod being highest during the spring and summer, lowest in fall and winter. The objectives of this study were to determine if 1) the production of variant forms of PRL, and 2) immuno- and bioactivities of PRL (iPRL and bPRL) differ during times of the year selected to represent periods of low, transitional and high PRL secretion. Twelve mature rams were maintained...
Topics
- Animals
- Blotting, Western
- Cells, Cultured
- Culture Media
- Electrophoresis, Polyacrylamide Gel
- Genetic Variation
- Male
- Molecular Weight
- Pituitary Gland, Anterior
- Prolactin
- Seasons