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Mitochondria Anti-Aging Research Science

Aspects Of Human Cell Aging Reversed By New Compounds

1 week, 4 days ago

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Posted on Aug 10, 2018, 3 a.m.

Key aspects of aging human cells were reversed by new compounds in a endothelial cell study designed to target mitochondria, numbers of senescent cells were reduced by up to 50%, breakthrough could new basis for new generations of anti-degeneration drugs, as published in the journal Aging.

Researchers from the University of Exeter studying endothelial cells have raised possibility of possible future treatments for aging blood vessels and other cells. In samples used in the study numbers of senescent cells was reduced by up to 50%, and two splicing factors were identified that play key roles in how and when endothelial cells become senescent.

Genes are capable of making more than one product, splicing factors are the genes to make the decisions about which products are made. The identified splicing factors SRSF2 or HNRNPD play key roles in determining why or how cells changes with age.

3 different compounds were tested: AP39, AP124, and RT01; each of the compounds were designed to selectively deliver small quantities of hydrogen sulfide to mitochondria in cells and help damaged and/or old cells to generate energy needed for survival and to reduce senescence, each compound was found to produce a 40-50% drop in the number of senescent blood vessel cells, with half of aged cells tested showing signs of rejuvenating into younger cell models.

Many disease states can be seen as accelerated aging, keeping mitochondria healthy can help to prevent and/or reverse this, according to the researchers, and this study shows splicing factors play important roles in determining how the compounds work.

Materials provided by University of Exeter.

Note: Content may be edited for style and length.

Journal Reference:

Eva Latorre, Roberta Torregrossa, Mark E. Wood, Matthew Whiteman, Lorna W. Harries. Mitochondria-targeted hydrogen sulfide attenuates endothelial senescence by selective induction of splicing factors HNRNPD and SRSF2. Aging, 2018; DOI: 10.18632/aging.101500

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