Description of obesity in the PBB/Ld mouse

S. U. Walkley, C. E. Hunt, R. S. Clements, J. R. Lindsey

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

A new strain of obese mouse, the PBB/Ld, has been studied in terms of fat pad cellularity, serum insulin and blood glucose levels, and response to gold thioglucose injections. Age-matched C57B1/6J mice were used as controls. Adipocyte size and number in the major fat depots were determined at various ages from weanling to maturity in the PBB/Ld and C57B1/6J strains. Results indicated that obesity in the PBB/Ld was due to hypertrophy of adipocytes in retroperitoneal and subcutaneous fat depots and to hypertrophy and hyperplasia in the epididymal fat pad. PBB/Ld mice also developed hyperinsulinemia and hyperglycemia and these findings have been discussed in terms of the developmental changes in fat pad cellularity. The injection of gold thioglucose led to increased food intake in both PBB/Ld and C57B1/6J mice. Hyperphagia was also present in the PBB/Ld control group, but increased efficiency of converting calories to body weight was not observed in this group when compared to control C57B1/6J mice. The characteristics of obesity seen in the PBB/Ld mouse are discussed and comparisons are made to similar studies in other rodent models of obesity.

Original languageEnglish (US)
Pages (from-to)335-341
Number of pages7
JournalJournal of Lipid Research
Volume19
Issue number3
StatePublished - Jan 1 1978
Externally publishedYes

ASJC Scopus subject areas

  • Biochemistry
  • Endocrinology
  • Cell Biology

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