Plasma levels of thyrotropin-releasing-hormone in various splanchnic, renal, suprarenal, and cerebral veins

Endogenous TRH levels were determined in plasma obtained selectively via percutaneous transhepatic and femoral catheterization. TRH was measured using a very sensitive RIA method. In the pancreatic veins, internal jugular vein, left testicular vein, and other described veins, normal peripheral level...

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Bibliographic Details
Published in:Klinische Wochenschrift 1987-02, Vol.65 (3), p.134-137
Main Authors: Vardarl, I, Wdowinski, J M, Hoevels, J, Schmidt, R, Schwedes, U, Georgi, M, Usadel, K H
Format: Article
Language:English
Subjects:
Adenoma - blood
Adrenal Gland Neoplasms - blood
Adult
Aged
Cerebral Veins
Duodenal Neoplasms - blood
Female
Humans
Male
Middle Aged
Pancreas - blood supply
Renal Veins
Splanchnic Circulation
Thyrotropin-Releasing Hormone - blood
Veins
Vena Cava, Inferior
Zollinger-Ellison Syndrome - blood
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Summary:Endogenous TRH levels were determined in plasma obtained selectively via percutaneous transhepatic and femoral catheterization. TRH was measured using a very sensitive RIA method. In the pancreatic veins, internal jugular vein, left testicular vein, and other described veins, normal peripheral levels were found. An involvement of the TRH degrading enzyme (TDE) or a rapid intravasal dilution leading to normal peripheral TRH levels in the veins leaving the brain or pancreas, respectively, is discussed.
ISSN:0023-2173
1432-1440
DOI:10.1007/BF01728606