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Feb 7, 2019

RNA-binding Proteins and Aging

Posted by in categories: biotech/medical, life extension

Last month, researchers at Johan Auwerx’s lab at the Ecole Polytechnique Fédérale de Lausanne (EPFL) had looked at the connections between RNA-binding proteins and aging. RNA binding proteins (RBPs) play an important part in post-transcriptional control by binding to mRNAfter binding, RBPs can aid in the processing of pre-mRNA as well as mRNA stability, transport and translation [1].

Mitochondria

Upon screening aged animals for RBPs, researchers at the EPFL noticed increased activity of Pumilio2 (PUM2), which can lower the production of some proteins. It does this by binding to specific mRNAs (based on recognition sites) so that it can repress the translation of those mRNAs into proteins.

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