| Protein intake in early infancy: effects on plasma amino acid concentrations, insulin metabolism, and growth. | |
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MedLine Citation:
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PMID: 2689986 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The effects of different protein intakes on wt gain, insulin secretion, and plasma concentrations of amino acids have been evaluated in a prospective study involving 30 normal term infants. The infants were studied from 4.0 to 6.0 mo of age. Ten infants were breast-fed (BF), the others were randomly divided into two groups of 10 infants. One group was fed a formula containing 1.3 g protein/100 mL (F 1.3), the other a formula with 1.8 g protein/100 mL (F 1.8). The formulas were isocaloric (72 kcal/100 mL), and the fat concentrations were 3.5 g/100 mL (F 1.3) and 3.2 g/100 mL (F 1.8). All infants received the same supplementary foods. The urinary C-peptide excretion in the infants fed the F 1.8-formula was 4.4 +/- 2.1 nmol/mmol creatinine or 19.4 +/- 12.9 nmol/m2, significantly higher than that in the infants fed the F 1.3-formula (2.6 +/- 1.5 and 7.9 +/- 5.1) or the BF infants (1.7 +/- 1.4 and 6.3 +/- 6.0). Gain in wt was 18.0 +/- 4.3, 19.9 +/- 3.9, 22.8 +/- 1.6 g/kg/wk and corresponded to protein intakes of 1.3 +/- 0.2, 1.9 +/- 0.3, and 2.6 +/- 0.2 g/kg/d, in the BF, F 1.3, and F 1.8 groups, respectively. Gain in length was 6.7 +/- 1.8 (BF-group), 6.2 +/- 2.5 (F 1.3-group), and 7.6 +/- 2.2 (F 1.8-group) mm/m/wk. Wt gain correlated with urinary C-peptide excretion at 6.0 mo (r = 0.51, p less than 0.01) and with protein intake (r = 0.43, p less than 0.01).(ABSTRACT TRUNCATED AT 250 WORDS) |
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Authors:
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I E Axelsson; S A Ivarsson; N C Räihä |
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Publication Detail:
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Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial |
Journal Detail:
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Title: Pediatric research Volume: 26 ISSN: 0031-3998 ISO Abbreviation: Pediatr. Res. Publication Date: 1989 Dec |
Date Detail:
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Created Date: 1990-01-29 Completed Date: 1990-01-29 Revised Date: 2007-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0100714 Medline TA: Pediatr Res Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 614-7 Citation Subset: IM |
Affiliation:
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Department of Pediatrics, University of Lund, Malmö General Hospital, Sweden. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Amino Acids
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blood* Body Weight C-Peptide / urine Dietary Proteins / administration & dosage* Female Growth* Humans Infant Insulin / metabolism*, secretion Male Prospective Studies Randomized Controlled Trials as Topic |
| Chemical | |
Reg. No./Substance:
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0/Amino Acids; 0/C-Peptide; 0/Dietary Proteins; 11061-68-0/Insulin |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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