Wernig, Marius
<p>Jan 17, 2017 08:20 PM <b>MEF = mouse embryonic fibroblast</b>....</p>
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Our lab is generally interested in the mechanisms that determine cell fate identity. </p>
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Our focus is on epigenetic reprogramming i.e. ways to induce cell fate changes by defined factors such as the reprogramming of somatic cells into pluripotent stem (or iPS) cells. </p>
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More recently, we have demonstrated that mouse fibroblasts can directly be converted to functional neuronal cells that we termed induced neuronal (iN) cells (Vierbuchen et al., 2010, Nature).</p>
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The iN cells were generated through expression of the three transcription factors Ascl1, Myt1l, and Brn2.</p>
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This surprising discovery opened the door to a new area of investigation.</p>
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We are currently working to apply our finding to human cells, explore the molecular mechanism of the action of the three transcription factors, and determine the neuronal subtype of resulting iN cells.</p>
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A long term goal is to use this method to evaluate whether iN cells can be used to model neurological diseases.</p>
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In addition, the emerging iPS cell technology provides new fascinating translational applications such as patient-specific stem cell therapy or disease phenocopy through differentiation into the neural lineage.</p>
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Our lab has developed new methods to generate iPS cells from human fibroblasts with defined mutations and explores various technologies to improve gene targeting in human iPS cells with a long term goal to correct disease-causing mutations. This work is made possible through a very generous CIRM grant.</p>
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Another interest of the laboratory is to study self-renewal and differentiation in neural stem/progenitor cells and apply these findings to the tumor precursor cells of glioblastoma. This will shed some light into glioma generation and potentially lead to alternative treatment strategies of this devastating brain disease.</p>
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