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Journal Club August 2018

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For the August Journal Club, we took a look at a new paper that shows inhibiting TGFβ can boost liver regeneration [1]. We also discussed another related paper from 2015 by Conboy et al. which showed regeneration in aged mice was possible if TGFβ was inhibited [2]. Taken together, the two papers both confirm that systemic inflammatory signaling holds back tissue regeneration and if we can remove those signals we may potentially be able to regenerate organs and tissue in aged people in the future.

Literature

[1] Bird, T. G., Müller, M., Boulter, L., Vincent, D. F., Ridgway, R. A., Lopez-Guadamillas, E., … & Ferreira-Gonzalez, S. (2018). TGFβ inhibition restores a regenerative response in acute liver injury by suppressing paracrine senescence. Science translational medicine10(454), eaan1230.

[2] Yousef, H., Conboy, M. J., Morgenthaler, A., Schlesinger, C., Bugaj, L., Paliwal, P., … & Schaffer, D. (2015). Systemic attenuation of the TGF-β pathway by a single drug simultaneously rejuvenates hippocampal neurogenesis and myogenesis in the same old mammal. Oncotarget6(14), 11959.

About the author
Oliver Medvedik

Oliver Medvedik

Oliver Medvedik, Co-founder of Genspace citizen science laboratory in Brooklyn NY, earned his Ph.D. at Harvard Medical School in the Biomedical and Biological Sciences program. As part of his doctoral work he has used single-celled budding yeast as a model system to map the genetic pathways that underlie the processes of aging in more complex organisms, such as humans. Prior to arriving in Boston for his doctoral studies, he has lived most of his life in New York City. He obtained his bachelor’s degree in biology from Hunter College, City University of New York. Since graduating from Harvard, he has worked as a biotechnology consultant, taught molecular biology to numerous undergraduates at Harvard University and mentored two of Harvard’s teams for the international genetically engineered machines competition (IGEM) held annually at M.I.T. Oliver is also the Director of The Maurice Kanbar Center for Biomedical Engineering at the Cooper Union, New York City. The Maurice Kanbar Center for Biomedical Engineering is open to all Cooper Union faculty and students working on bioengineering projects requiring equipment and space for tissue culture, genetic engineering, biomechanics, and related research. Faculty that is currently using the facility are pursuing groundbreaking biomedical research in such fields as biomedical devices, tissue engineering, obstructive sleep apnea biomechanics also collaborating with several major New York City-based hospitals. The Kanbar Center continues to provide space for undergraduate teams participating in the international genetically engineered competition (iGEM) during the summer, as well as space for courses that offer a biological laboratory component.
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