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- W2379046950 abstract "Objective About 20-50% indiv iduals with intrauterine growth retardation (IUGR) could not achieve catch-up g rowth and remain small in size till adulthood. There are few reports on the rel ation between intestinal development and body catch-up growth of IUGR. Studies showed that early programming would results in long-term eff ects on the body growth and organic function, and gastrointestinal development i s closely related to the body development as well. The authors aimed to study t he effect of early nutritional interventions on serum IGF1, IGFBP3, intestinal d evelopment and catch-up growth of pups with IUGR by using diets with different protein and caloric levels during the first four weeks of life. Meth ods An IUGR rat model was established by maternal nutrition restri ction during pregnancy. Thirty-two IUGR female pups were divided randomly into 4 groups(8 pups in each group)and eight normal female pups as control. The groups and interventions were (1) Normal control group(C group); (2) IUGR contro l group(S group), (3) IUGR low-protein diet group(SL group); (4) IUGR high-pro tein diet group (SH group); (5) IUGR high-caloric group( SA group). The serum IGF1, IGFBP3, body weight, body length, and intestinal weight, length, intestina l villi height(VH), crypt depth(CD), villi absorbing area(VSA), mucous thickness (MT) were measured atthe 4 th week of life. Results (1) At the 4 th week, the serum IGF1 (724.0±153.5 ng/ml), IGFBP3 (9.6 9±3.13 ng/ml),and VH (416.9±46.3 μm), VSA (115.9±24.0×103μm2), MT (583.9±68.5 μm) in the SH group were significantly higher than those of no rmal control group (539.4±198.4 ng/ml, 4.77±2.98 ng/ml and 322.1±25.8 μm, 85.8±17.8×103μm2, 480.0±61.5 μm) and IUGR control group(P 0.05). The intestinal weight (1.91±0.16 g) and length (80.67±9.47 cm) in the SH group was not significantly different from the normal control group (2. 24±0.22 g and 74.77±9.06 cm, P0.05). The SH group showed the fastest catch-up growth. Their body weights (40.14±11.03 g) at the 3 rd week and body lengths (23.61±0.49 cm) atthe 4 th week of life reached the no rmal ranges of the control group (44.65±5.36 g and 23.10±1.42 cm, P0 .05). (2) The serum IGF1 (346.7±85.3 ng/ml), IGFBP3 (1.4±0.21 ng/ml), bo dy weight (21.41±3.54 g) and body length ( 15.96±1.29 cm) and the most of intestinal indexes in the SL group were markedly lower than other groups at t he 4 th week of life (P0.05). Conclusion The serum IGF1 was a sensitive marker to reflect the catch-up growth and nutritiona l status, and IGF1 was positively correlated with the intestinal development and body growth. When given different nutritional interventions during the first f our weeks of life, high protein diet is more helpful for the IUGR catch-up grow th by promoting the intestinal development and the absorption of nutrition." @default.
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- W2379046950 date "2004-10-01" @default.
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- W2379046950 title "[Effect of different early nutritional interventions on catch-up growth of rats with intrauterine growth retardation]." @default.
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