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Your Environment. Your Health.

Stem Cell Biology Group

Cellular Self-Renewal and Differentiation

Guang Hu, Ph.D.
Guang Hu, Ph.D.
Principal Investigator
Tel 984-287-4144
guang.hu@nih.gov
P.O. Box 12233
Mail Drop D4-03
Durham, N.C. 27709

Research Summary

Guang Hu, Ph.D., leads the Stem Cell Biology Group within the Epigenetics and Stem Cell Biology Laboratory, and holds a secondary appointment in the NIEHS Reproductive and Developmental Biology Laboratory.

The promise of the Pluripotent Stem Cells
Figure 1. The Promise of the Pluripotent Stem Cells
Systematic Dissection of the Pluripotent State
Figure 2. Systematic Dissection of the Pluripotent State
Transcriptional and post-transcriptional regulation of the pluripotent state
Figure 3. Transcriptional and Post-transcriptional Regulation of the Pluripotent State

The Stem Cell Biology Group aims to understand the regulation of the pluripotent state in cells in culture and during early embryonic development. Pluripotent cells have the ability to develop into all cells of the adult body, and therefore show great promises in both basic and translational research. Further, they provide new tools and opportunities to investigate the impact of environmental exposures, as well as their interactions with genetic factors, on human development and health (Figure 1). To fully realize these potentials, however, it is important to understand the molecular basis of the defining characteristic of the pluripotent cells: pluripotency.

We use a combination of functional genetics, genomics, cell biology, and developmental biology tools to systematically identify and dissect the function of regulators in pluripotent cells (Figure 2). We have uncovered several novel transcriptional and post-transcriptional mechanisms that govern the pluripotent state (Figure 3), and are continuing to investigate the function of these regulators in embryonic stem cells, iPSCs, adult stem cells, and mouse development. In addition, we are investigating genes that influence the transition between different types of pluripotent stem cells, and between pluripotent stem cells and germ cells. Finally, we are carrying out genetic screens and single cell analysis to identify novel regulators of stem cell fate choices. Our studies will provide new insights to mammalian development, and facilitate the use of pluripotent stem cells in disease investigation, regenerative medicine, and environmental health sciences.

Major areas of research:

  • Embryonic stem cell self-renewal and pluripotency
  • Somatic cell reprogramming
  • Embryonic development
  • Germ cell development

Hu earned his Ph.D. in 2003 at Baylor College of Medicine, and was a Helen Hay Whitney Foundation fellow from 2004 to 2007. He completed a postdoctoral fellowship at Harvard Medical School under Stephen Elledge, Ph.D., before joining NIEHS in 2009.

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