myoepithelial cell

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Introduction

Spindle- or stellate shaped, contractile, smooth muscle cells of epithelial origin around:

In mammary gland, ducts are formed by two layers:

Myoepithelial cells also form the epithelium of the posterior surface of the iris.

Some myoepithelial cell specific proteins involved in tumor suppression include activin, relaxin, TIMP-1, maspin, connexin-43, caveolin-1, integrin alpha-6, cytokeratin 5 & smooth muscle alpha-actin.

More general terms

References

  1. Bissell & Radisky. Nature Reviews Cancer 1:46-54, 2001