Familial goiter in bongo antelope (Tragelaphus eurycerus)

Sonia Doi, Sidney Shifrin, Pilar Santisteban, Richard J. Montali, Chris Schiller, Mitchell Bush, Evelyn F. Grollman

Research output: Contribution to journalArticlepeer-review

Abstract

Congenital defects in thyroglobulin (Tg) synthesis in animals have proven to be useful models for the study of Tgsynthesis and regulation. Defects in Tgsynthesis have been well described in Afrikander cattle, Australian Merino sheep, and goats in The Netherlands. This report describes a study of goiter in a nondomesticated bovine species, bongo antelope (Tragelaphus eurycerus), an African bovid. Three animals housed at the National Zoological Park, Washington, D.C. were studied; two had visible goiters, and a third bongo had microscopic evidence of goiter. Tgextracted from thyroid glands or thyroid colloid from these animals had a high mol wt component that was greater than 220K daltons and differed in apparent mol wt from 19S Tgfrom domestic cattle. Thyroid extracts also had thyroid albumin; albumin was more than half the total protein in colloid extract. The animals with goiter were euthyroid according to their circulating levels of thyroid hormones.

Original languageEnglish (US)
Pages (from-to)857-864
Number of pages8
JournalEndocrinology
Volume127
Issue number2
DOIs
StatePublished - Aug 1990

ASJC Scopus subject areas

  • Endocrinology

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