Benoit Bruneau, PhD
|School||UCSF School of Medicine|
|Address||1650 Owens St|
San Francisco CA 94107
The main focus of our lab is to understand how a heart becomes a heart: what cell lineage decisions take place to direct cardiac differentiation, and what morphogenetic and patterning processes occur to assemble all of the heart's components into a functional organ. We are primarily interested in regulation of these processes by transcriptional regulatory mechanisms that include DNA-binding transcription factors, chromatin remodeling complexes, and histone modifications. We have used this knowledge to understand disease mechanisms, but also to devise strategies for cardiac regeneration.
Why study heart development? We believe that primary defects in patterning in early heart development are at the root of congenital heart defects, which affect approximately 1% of live-born children, and we want to understand how these defects occur, to perhaps be able to uncover new and improved diagnostic or even therapeutic options. Also, by understanding how cardiac lineage specification occurs, we can better design stem cell-based interventions of cardiac repair, based on the knowledge of what drives an uncommitted cell towards a specific cardiac fate. We have recently focused our efforts on cardiac chromatin remodeling and modification factors, enzymes that unwind DNA or modify histones to turn genes on or off. We are particularly interested in how these factors control cardiac cell lineage decisions. These chromatin remodeling factors may also be key to pushing a stem cell into becoming a heart cell, perhaps opening up new avenues for cardiac regenerative medicine.
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