University of Texas Southwestern Medical Center
5323 Harry Hiines Blvd.
Dallas, TX 75390
2000 Searle Scholar
Stem cells are self-renewing multipotent progenitors that give rise to all of the other cells in particular tissues. For example, hematopoietic stem cells (HSCs) are the rare cells in bone marrow that give rise to all blood and immune system cells. Neural crest stem cells give rise to a number of different tissues including the peripheral nervous system. Given their seminal roles in development and regeneration, stem cells define the nexus of important questions in both developmental biology and clinical applications. We study stem cell biology using hematopoiesis and neural development as model systems. The next challenge in stem cell biology will be to integrate what we know about stem cells in different tissues in order to understand common mechanisms of regulation and distinctions that permit tissue-appropriate development. Our work on stem cell regulation encompasses both molecular and cellular questions, from the role of transcription factors in cell fate determination to changes in the properties of stem cells during ontogeny.
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