Greetings, compatriots - - 

Fascinating new study out from Nasreen Akhtar and colleagues at the University of Sheffield: 

From the news release at Science Daily:
"A ground-breaking study into the changes that occur in a woman's breast, from growing into one that provides milk for a new-born, and then back to its normal state, has discovered that milk-producing cells are, in effect, cannibalised by other cells following the period of breastfeeding . . . The study, reported in the journal Developmental Cell, was one of the first to look at how the breast remodels back to its 'normal' state after babies have stopped suckling, revealing a central requirement for the Rac1 signalling protein."

Citation:
Nasreen Akhtar, Weiping Li, Aleksander Mironov, Charles H. Streuli. Rac1 Controls Both the Secretory Function of the Mammary Gland and Its Remodeling for Successive Gestations. Developmental Cell, 2016; 38 (5): 522 DOI: 10.1016/j.devcel.2016.08.005

Full text is available: 
http://www.cell.com/developmental-cell/pdf/S1534-5807(16)30580-9.pdf

With best regards,

Debra Swank, RN BSN IBCLC
Ocala, Florida USA
More Than Reflexes Education
http://www.MoreThanReflexes.org
http://www.MoreThanReflexes.org/on-learning/

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