A serum factor influencing the physiological activity of thyrotropin-releasing hormone (TRH). II. Studies with rat serum in vivo and in vitro.
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Animals↗
Biomedical subjects
T Ranta
Publications and source records attributed to T Ranta.
Plasma disapperance of injected synthetic LRH in man as measured by bioassay and radioimmunoassay.
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Adult↗
Neurotransmission and secretion of thyroid-stimulating hormone.
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Animals↗
Effect of acute exposure to cold on blood thyrotrophin (TSH) and corticosterone concentrations in the rabbit.
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Animals↗
Serum prolactin and progesterone concentrations in ovulatory infertility.
The luteal phase serum prolactin and progesterone concentrations were studied by radioimmunoassay in 31 ovulatory but infertile women and 58 women wearing intrauterine device (IUD). In the infertile patients the prolactin concentrations were significantly higher (mean +/- SE 24.0 +/- 1.0 mug/l vs. 18.7 +/- mug/l) than in IUD users (p less than 0.001), and the progesterone concentrations were lower (22.9 +/- 1.7 vs. 37.4 +/- 2.3 mnol/l) (p less than 0.001). However, infertile patients with a high serum prolactin did not have a mid-luteal phase progesterone level different from those with normal prolactin. There was no correlation between prolactin and progesterone levels.
Anovulation↗