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American Journal of Clinical Nutrition, Vol 30, 2041-2046, Copyright © 1977 by The American Society for Clinical Nutrition, Inc

ORIGINAL RESEARCH COMMUNICATIONS

Intestinal calcium-binding protein 3 months after massive small bowel resection in the piglet

A Margolis, C Ricour, A Harouchi, M Guyot, D Laouari and S Balsan

Changes in intestinal calcium-binding protein and calcium binding activity were studied at resection and 3 months after 90% small bowel resection in piglets and one adult pig. A calcium-binding protein (MW congruent to 11.000) with calcium-dependent eletrophoretic mobility was partially purified from mucosal extract of proximal jejunum, mid-gut, and ileum. The concentration of calcium-binding protein and the calcium- binding activity of the intact animals were found highest in the proximal jejunal segment, lowest in the ileal segment. After resection in the four surviving animals out of nine, a significant increase in calcium-binding activity was observed in the proximal jejunum and in the distal ileal segment. The change in calcium-binding activity was much more marked in the ileum than the jejunum. These data demonstrate that pig intestinal mucosa possesses an adaptive capacity to increase the synthesis of calcium-binding protein after massive small bowel resection.




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Copyright © 1977 by The American Society for Nutrition