HMEC mammary epithelial cells in MEGM growth media
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Clonetics™ Human Mammary Epithelial Cells (HMEC) are isolated from adult female breast tissue.  MEGMTMBulletkitTM is the optimized media developed to support HMECs’ growth. This media system has been referenced in over 130 unique publications primarily focusing on breast cancer research.

A mammary gland is a female organ specializing in manufacture of colostrum post-child birth. The extracellular matrix component of mammary epithelial cells make up mammary stroma and maintain the morphology of the lactiferous duct tree in mammary.

Breast cancer has been linked to abnormal function of components found in mammary epithelial cells’ extracellular matrix. In breast tumorigenesis, HMECs grow out of control and eventually result in cancer.



  • Breast cancer
  • Cellular function and differentiation
  • Physiology
  • Toxicology
  • Hormone regulation