Remodeling of Murine Mammary Adipose Tissue during Pregnancy, Lactation, and Involution

Qiong A. Wang, Philipp E. Scherer

Research output: Contribution to journalReview article

1 Scopus citations

Abstract

White adipocytes in the mammary gland stroma comprise the majority of the mammary gland mass. White adipocytes regulate numerous hormonal and metabolic processes and exhibit compositional and phenotypic plasticity. This plasticity is exemplified by the ability of mammary adipocytes to regress during lactation, when mammary epithelial cells expand to establish sufficient milk-producing alveoli. Upon weaning, the process reverses through mammary involution, during which adipocytes extensively regenerate, and alveolar epithelial cells disappear through cell death, returning the mammary gland to the non-lactating state. Despite intensive studies on the development and involution of the mammary alveolar epithelium, the fate of mammary adipocytes during pregnancy and lactation, and the origins of mammary adipocytes regenerated during mammary involution, is poorly understood. Here, we discuss the recent discoveries of the fate of mammary adipocytes during pregnancy and lactation in a number of different mouse models, and the lineage origin of mammary adipocytes regenerated during involution.

Original languageEnglish (US)
Pages (from-to)207-212
Number of pages6
JournalJournal of mammary gland biology and neoplasia
Volume24
Issue number3
DOIs
StatePublished - Sep 1 2019

Keywords

  • Adipocyte
  • Breast Cancer
  • Dedifferentiation
  • Involution
  • Lactation
  • Mammary gland
  • Obesity
  • Remodeling

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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