Association between body weight at weaning and remodeling in the subcutaneous adipose tissue of obese adult mice with undernourishment in utero

Yukiko Kobayashi Kohmura, Naohiro Kanayama, Keiko Muramatsu, Naoaki Tamura, Chizuko Yaguchi, Toshiyuki Uchida, Kazunao Suzuki, Kazuhiro Sugihara, Seiichiro Aoe, Takeshi Sasaki, Takayoshi Suganami, Yoshihiro Ogawa, Hiroaki Itoh

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Rapid growth in infancy considerably increases the risk of obesity and metabolic disorders in adulthood especially among neonates born small. To investigate the mechanism involved, we developed an animal model of undernourishment in utero by maternal caloric restriction, in which the Z scores of body weight at weaning (19.5 days) positively correlated with parameters of obesity, metabolic disorders, and remodeling of subcutaneous adipose tissue, such as numbers of macrophages in adipose tissue, the ratio of inflammatory M1 to anti-inflammatory M2 macrophages, estimated by gene expression of specific antigens, and the relative ratio of small adipocytes less than 30 μm in diameter, on a high-fat diet at 17 weeks of age. To our knowledge, this is the first report of a possible connection between infantile body weight and adipose tissue remodeling in obesity after undernourishment in utero.

Original languageEnglish
Pages (from-to)813-827
Number of pages15
JournalReproductive Sciences
Issue number7
Publication statusPublished - Jul 1 2013
Externally publishedYes


All Science Journal Classification (ASJC) codes

  • Obstetrics and Gynaecology

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