Changes in oxytocin content in the magnocellular neurons of the rat hypothalamus following water deprivation or estrogen treatment. Quantitative immunohistological studies

Cell and Tissue Research
C H RhodesD W Pfaff

Abstract

The effect of water deprivation or estrogen treatment on the oxytocin content of rat hypothalamic cells was examined using a quantitative immunohistological technique. Oxytocin-containing cells were visualized using the immunoperoxidase technique of Sternberg and a primary antiserum directed against oxytocin. The optical density of the darkest 3.2 micrometer diameter spot in the cytoplasm of a cell was used as a measure of the oxytocin content of that cell. Water deprivation produced a significant decrease in anti-oxytocin staining in the anterior commissural nucleus of males and females. There was a similar decrease in the paraventricular nucleus of males, but not in the paraventricular nucleus of females or the supraoptic nucleus of either males or females. Estrogen treatment of ovariectomized female rats produced a fall in anti-oxytocin staining in the anterior commissural, but not paraventricular or supraoptic nuclei.

Citations

Nov 1, 1991·Cell and Tissue Research·G F JirikowskiC A Pedersen
Jan 1, 1992·Journal of Neural Transmission. General Section·M L BenturaA Toledano
Apr 1, 1988·Neuroscience·G F JirikowskiW E Stumpf
Jan 30, 1999·Psychoneuroendocrinology·C S Carter
Oct 1, 1990·Journal of Neuroendocrinology·J PeterG Ab
Jun 12, 1992·Annals of the New York Academy of Sciences·J P BurbachF M de Bree
Jun 12, 1992·Annals of the New York Academy of Sciences·G F Jirikowski
Jun 12, 1992·Annals of the New York Academy of Sciences·T R Insel, L E Shapiro
Oct 1, 1986·Journal of Endocrinological Investigation·D D Rasmussen

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