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The effect of ovariectomy on thyroid c cells of adult rats
Author(s) -
Branko Filipović,
Branka ŠošićJurjević,
Milica ManojlovićStojanoski,
Nataša Nestorović,
Verica Milošević,
Milka Sekulić
Publication year - 2002
Publication title -
jugoslovenska medicinska biohemija
Language(s) - English
Resource type - Journals
eISSN - 1452-8193
pISSN - 0354-3447
DOI - 10.2298/jmh0204345f
Subject(s) - endocrinology , medicine , calcitonin , thyroid , stereology , chemistry , immunohistochemistry , body weight , ovariectomized rat , hormone
Summary: The structure and function of C cells of adult female rats after ovariectomy (Ovx) were investigated. Intact control and Ovx rats were i.p. treated with sterile olive oil for 4 weeks. Peroxidase-antiperoxidase (PAP) immunohistochemical procedure was applied to localize calcitonin (CT) in thyroid C cells while its serum content was determined by RIA method. Morphometric analyses of the C cells volume, that of their nuclei and relative volume density included stereological method with the multipurpose test system M42. Also, the average number of C cells number per mm2 was calculated. Ovx led to a significant increase in body weight (21%; p<0.005). At the same time the C cells of Ovx rats had a significantly decreased cell volume (13%; p<0.005) and their number per mm2 was increased by 59% (p<0.001) in comparison with the controls. Ovx resulted in reduction of serum CT level by 45% comparing to the corresponding controls. Based on these data it can be concluded that Ovx inhibits both the structure and function of the C cells.

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