Intestinal Stem Cells in GI Physiology and Disease Nkx 2 . 2 is expressed in a subset of enteroendocrine cells with expanded lineage potential

Stefanie Gross, Dina Balderes, Jing Liu, Samuel Asfaha, Guoqiang Gu, Timothy C. Wang, and Lori Sussel Department of Genetics and Development, Columbia University Medical Center, New York, New York; Department of Cell and Developmental Biology, Vanderbilt University Medical Center, Nashville, Tennessee; Department of Digestive and Liver Diseases, Columbia University Medical Center, New York, New York; and Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York, New York