Socs 3 modulates the activity of the transcription factor Stat3 in mammary tissue and controls alveolar homeostasis

Gertraud W. Robinson, Margit Pacher-Zavisin, Bing Mei Zhu, Akihiko Yoshimura, Lothar Hennighausen

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Signal transducer and activator of transcription 5 and 3 (Stat5 and Stat3) control pregnancy-mediated mammary development and involution-dependent remodeling, respectively. Suppressor of cytokine signaling 3 (Socs3) has been implicated in the modulation of both Stat3 and Stat5 activity. To explore the biology of Socs3 in mammary tissue, the gene was deleted using Cre-mediated recombination. Deletion of the Socs3 gene from mammary stem or early progenitor cells did not grossly alter pregnancy-mediated mammary development but resulted in impaired lactation due to attenuated proliferation. Loss of Socs3 from differentiated luminal cells did not interfere with glandular function during lactation, but resulted in accelerated tissue remodeling upon weaning. Loss of Socs3 led to enhanced and precocious Stat3 activation. Thus, Socs3 serves as a modulator of Stat3 activity to ensure controlled proliferation and apoptosis in pregnancy and involution, respectively.

Original languageEnglish
Pages (from-to)654-661
Number of pages8
JournalDevelopmental Dynamics
Volume236
Issue number3
DOIs
Publication statusPublished - 2007 Mar
Externally publishedYes

Fingerprint

Breast
Homeostasis
Transcription Factors
Cytokines
Lactation
Pregnancy
STAT5 Transcription Factor
STAT3 Transcription Factor
Weaning
Genetic Recombination
Genes
Stem Cells
Apoptosis

Keywords

  • Cytokine signaling
  • Mammary epithelial cells
  • Programmed cell death

ASJC Scopus subject areas

  • Developmental Biology
  • Cell Biology

Cite this

Socs 3 modulates the activity of the transcription factor Stat3 in mammary tissue and controls alveolar homeostasis. / Robinson, Gertraud W.; Pacher-Zavisin, Margit; Zhu, Bing Mei; Yoshimura, Akihiko; Hennighausen, Lothar.

In: Developmental Dynamics, Vol. 236, No. 3, 03.2007, p. 654-661.

Research output: Contribution to journalArticle

Robinson, Gertraud W. ; Pacher-Zavisin, Margit ; Zhu, Bing Mei ; Yoshimura, Akihiko ; Hennighausen, Lothar. / Socs 3 modulates the activity of the transcription factor Stat3 in mammary tissue and controls alveolar homeostasis. In: Developmental Dynamics. 2007 ; Vol. 236, No. 3. pp. 654-661.
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