Digestive Diseases and Sciences

, Volume 43, Issue 7, pp 1443–1453

Colitis and Colon Cancer in Cotton-Top Tamarins (Saguinus oedipus oedipus ) Living Wild in Their Natural Habitat

  • Jackie D. Wood
  • Owen C. Peck
  • Karen S. Tefend
  • Miguel A. Rodriguez-M
  • Jose Vicente Rodriguez-M
  • Jorge I. Hernandez-C
  • Michael J. Stonerook
  • Hari M. Sharma
Article

Abstract

The cotton-top tamarin is a nonhuman primate noted for susceptibility to juvenile onset colitis and subsequent colon cancer. About 80% develop colitis in captive environments outside the tropics. The aim was to determine the prevalence of colitis and colorectal cancer in tamarins living wild in their tropical habitat. Endoscopic biopsy was used to compare severity of colitis, inflammatory/immune cell densities, mucosal dysplasia, and occurrence of cancer in wild tamarins in a tropical habitat with tamarins living captive in a temperate climate. Six colon biopsies from each of 69 captives showed severe colitis in 64.5% of biopsies and moderate colitis in 19.5% . Severe colitis was not found in 88 wild tamarins; 13% had moderate colitis. Densities of polymorphonuclear leukocytes, plasma cells, and mononuclear cells in the lamina propria were related directly to the severity of four grades of colitis (normal, mild, moderate, and severe). Histologic or gross signs of carcinoma were detected in 12 captives and low- or high-grade dysplasia in 15. Neither cancer nor dysplasia was found in any of the wild tamarins. The observations suggest that colitis and cancer in the tamarin model are linked to environmental factors.

COLITIS INFLAMMATION INFLAMMATORY BOWEL DISEASE COLON CANCER COLORECTAL CANCER NONHUMAN PRIMATE COTTON-TOP TAMARIN 

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Copyright information

© Plenum Publishing Corporation 1998

Authors and Affiliations

  • Jackie D. Wood
  • Owen C. Peck
  • Karen S. Tefend
  • Miguel A. Rodriguez-M
  • Jose Vicente Rodriguez-M
  • Jorge I. Hernandez-C
  • Michael J. Stonerook
  • Hari M. Sharma

There are no affiliations available

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