Browse Items (43 total)

In order to investigate whether the impaired GH secretion associated with obesity is due to a pituitary disorder we studied GH mRNA levels by in situ hybridization in genetically obese and lean Zucker rats. The levels of GH mRNA were at least two…

The present study was designed to determine whether the diminution of growth hormone (GH) secretion that occurs in obese Zucker rats is related to alterations of GH-releasing factor (GRF) or somatostatin (SRIF) pituitary binding sites. Cold…

The genetically obese Zucker rat is a widely used model of early-onset obesity. Like obese children, these obese rats are hyperinsulinemic and have low GH secretion. However, data on linear growth and insulin-like growth factor-I (IGF-I) levels in…

The activity of hepatic microsomal cholesterol 7 alpha-hydroxylase was studied in genetically obese and lean Zucker rats. The liver microsomal cholesterol 7 alpha-hydroxylase activity in fatty Zucker rats (fa/fa) is about 50% to 70% lower than that…

Levels of growth hormone (GH) are reduced in the genetically obese Zucker rat, fa/fa, in comparison to lean littermates. In normal rats, GH release is regulated by stimulatory and inhibitory factors of hypothalamic origin. The present experiment…

In order to investigate whether the impaired GH secretion associated with obesity is due to a pituitary disorder we studied GH mRNA levels by in situ hybridization in genetically obese and lean Zucker rats. The levels of GH mRNA were at least two…

The secretion of growth hormone (GH) is abnormal in genetically obese Zucker rats. Measurements of pulsatile GH release and circulating GH levels in lean (Fa/?) and obese (fa/fa) rats have shown that both are reduced in the latter. We have studied…

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