The effect of testosterone on the morphology and biochemistry of adult castrated rat liver is described. Castration decreases mean weight and volume of hepatocytes, volume and surface area of sinusoidal lumen, and apparently increases cell number per g of tissue. These variations indicate cell distress. Testosterone administration restored sinusoidal volume and surface area, indicating a true hyperplastic response and improved trophic conditions. Acid soluble nucleotides, RNA and DNA content were lower after castration, being partially restored after testosterone treatment. This restoration, however, was only statistically significant for total guanylate. We concluded that testosterone deficiency and administration exerts a specific effect on the liver in terms of morphological and biochemical changes. Purine nucleotide metabolism is probably the first target of hormonal action, since its changes are the most significant and useful to explain all the other observations.
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|Titolo:||Effect of testosterone on purine metabolism and morphometric parameters in the rat liver.|
|Citazione:||Vizzotto, L., Vartemati, M., Marinello, E., Leoncini, R., Pagani, R., & Pizzichini, M. (1996). Effect of testosterone on purine metabolism and morphometric parameters in the rat liver. MOLECULAR AND CELLULAR ENDOCRINOLOGY, 119(2), 123-127.|
|Appare nelle tipologie:||1.1 Articolo in rivista|
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