title: Humanin: a harbinger of mitochondrial-derived peptides?
abstract: Mitochondria have been largely considered as 'end-function' organelles, servicing the cell by producing energy and regulating cell death in response to complex signals. Being cellular entities with vital roles, mitochondria communicate back to the cell and actively engage in determining major cellular policies. These signals, collectively referred to as retrograde signals, are encoded in the nuclear genome or are secondary products of mitochondrial metabolism. Here, we discuss humanin, the first small peptide of a putative set of mitochondrial-derived peptides (MDPs), which exhibits strong cytoprotective actions against various stress and disease models. The study of humanin and other mitochondrial-derived retrograde signal peptides will aid in the identification of genes and peptides with therapeutic and diagnostic potential in treating human diseases.
authors: University of Southern California Davis School of Gerontology, Ethel Percy Andrus Gerontology Center, University of Southern California, Los Angeles, CA 90089-0191, USA.
authors: Changhan
authors: C
authors: Lee
authors: Kelvin
authors: K
authors: Yen
authors: Pinchas
authors: P
authors: Cohen
mesh_terms: D000818:Animals; D002467:Cell Nucleus / Q000378:metabolism; D004272:DNA, Mitochondrial / Q000378:metabolism; D006801:Humans; D047908:Intracellular Signaling Peptides and Proteins / Q000097:blood / Q000235:genetics / Q000378:metabolism*; D008928:Mitochondria / Q000378:metabolism*; D008954:Models, Biological; D018626:Retroelements; D015398:Signal Transduction
chemical_list: D004272:DNA, Mitochondrial; D047908:Intracellular Signaling Peptides and Proteins; D018626:Retroelements; C427211:humanin
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