The ontogeny of thyrotropin-releasing hormone (TRH) in pancreata of human foetuses from 15-36 weeks of gestation and of infants has been studied. TRH was detectable in the pancreas of a 15 week old foetus; a progressive increase of pancreatic TRH content was observed until the 34th week of gestation, whereas a progressive decrease was found in the late period of pregnancy and in 1 year old infants. In contrast, the pancreatic insulin content showed a progressive increase during the entire pregnancy and in the first year after birth. These data indicate that TRH and insulin have different ontogenetic patterns in the human pancreas.
Ontogenetic development of pancreatic thyrotropin-releasing hormone in human foetuses and in infants.
VITTI, PAOLO;
1986-01-01
Abstract
The ontogeny of thyrotropin-releasing hormone (TRH) in pancreata of human foetuses from 15-36 weeks of gestation and of infants has been studied. TRH was detectable in the pancreas of a 15 week old foetus; a progressive increase of pancreatic TRH content was observed until the 34th week of gestation, whereas a progressive decrease was found in the late period of pregnancy and in 1 year old infants. In contrast, the pancreatic insulin content showed a progressive increase during the entire pregnancy and in the first year after birth. These data indicate that TRH and insulin have different ontogenetic patterns in the human pancreas.File in questo prodotto:
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