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- W2130167874 endingPage "3035" @default.
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- W2130167874 abstract "Intrauterine and early postnatal malnutrition has profound consequences on fetal and postnatal development in both humans and animals. In addition, low birth weight has been reported to be associated with impaired insulin secretion, insulin resistance and diminished area of pancreatic islets. Because the transcription factor pancreatic and duodenal homeobox 1 (PDX-1) is important for the maintenance of B-cell physiology, PDX-1 expression and islet area were assessed in neonatal rats of dams fed low (6%) or normal (17%) protein diets during pregnancy. PDX-1 protein and mRNA levels, as well as insulin secretion and islet area, were measured after 28 d of life in normal, low protein and recovered rats whose dams consumed a normal protein diet after delivery. Insulin secretion by isolated islets in response to 2.8 and 16.7 mmol glucose/L was reduced in 28-d-old low protein rats compared with the control (P < 0.05). At birth and after 28 d of life, the islet area and PDX-1 protein expression were also reduced (P < 0.05). In contrast, PDX-1 mRNA levels in islets from 28-d-old low protein rats were not different from control rats. PDX-1 protein expression in pancreatic islets, the area of islets and insulin secretion were restored in recovered rats, whereas PDX-1 mRNA levels were higher than in normal rats (P < 0.05). These results suggest a link among diminished PDX-1 protein expression, a reduction in islet area and impaired insulin secretion in low protein rats. The reintroduction of a normal diet early in life restored islet area and cell physiology." @default.
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- W2130167874 date "2002-10-01" @default.
- W2130167874 modified "2023-10-03" @default.
- W2130167874 title "Expression of PDX-1 Is Reduced in Pancreatic Islets from Pups of Rat Dams Fed a Low Protein Diet during Gestation and Lactation" @default.
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- W2130167874 doi "https://doi.org/10.1093/jn/131.10.3030" @default.
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