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Hundreds of Microproteins Identified in the Heart, Many Are Bound for the Mitochondria

News   May 31, 2019 | Original story from the Max Delbruck Center for Molecular Medicine

Hundreds of Microproteins Detected in the Human Heart

A whole series of tiny, previously unknown proteins are produced in the heart. A large portion of these microproteins migrate to the mitochondria, the cell’s energy powerhouses, after their production. The image provides proof that one of the new microproteins (red) reached the mitochondria (green). The yellow area on the third image shows that the mitochondrial signal overlaps with that of the microprotein inside the cells and that the microprotein is thus located in the mitochondria. The cell’s nucleus is blue. © Franziska Trnka, MDC



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