Laura J A Hardwick, Benjamin P Davies, Sara Pensa, Maedee Burge-Rogers, Claire Davies, André Figueiredo Baptista, Robert Knott, Ian S McCrone, Eleonora Po, Benjamin W Strugnell, Katie Waine, Paul Wood, Walid T Khaled, Huw D Summers, Paul Rees, John W Wills, Katherine Hughes
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In the Murine and Bovine Maternal Mammary Gland Signal Transducer and Activator of Transcription 3 is Activated in Clusters of Epithelial Cells around the Day of Birth.
Signal transducers and activators of transcription (STAT) proteins regulate mammary development. Here we investigate the expression of phosphorylated STAT3 (pSTAT3) in the mouse and cow around the day of birth. We present localised colocation analysis, applicable to other mammary studies requiring identification of spatially congregated events. We demonstrate that pSTAT3-positive events are multifocally clustered in a non-random and statistically significant fashion. Arginase-1 expressing cells, consistent with macrophages, exhibit distinct clustering within the periparturient mammary gland. These findings represent a new facet of mammary STAT3 biology, and point to the presence of mammary sub-microenvironments.
期刊介绍：
Journal of Mammary Gland Biology and Neoplasia is the leading Journal in the field of mammary gland biology that provides researchers within and outside the field of mammary gland biology with an integrated source of information pertaining to the development, function, and pathology of the mammary gland and its function.
Commencing in 2015, the Journal will begin receiving and publishing a combination of reviews and original, peer-reviewed research. The Journal covers all topics related to the field of mammary gland biology, including mammary development, breast cancer biology, lactation, and milk composition and quality. The environmental, endocrine, nutritional, and molecular factors regulating these processes is covered, including from a comparative biology perspective.
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