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Abstract Title:

Phytochemicals Rosmarinic Acid, Ampelopsin, and Amorfrutin-A Can Modulate Age-Related Phenotype of Serially Passaged Human Skin Fibroblasts.

Abstract Source:

Front Genet. 2019 ;10:81. Epub 2019 Feb 21. PMID: 30847003

Abstract Author(s):

Lakshman Sodagam, Anna Lewinska, Ewa Kwasniewicz, Sofiya Kokhanovska, Maciej Wnuk, Karsten Siems, Suresh I S Rattan

Article Affiliation:

Lakshman Sodagam

Abstract:

One of the aims of the EU-funded Research and Innovation Action (RIA), titled"Ageing with Elegans"(AwE) is to enhance better understanding of the factors causing health and disease in aging and develop evidence-based preventive, diagnostic, therapeutic, and other strategies. The work package-5 of this project is focused on testing the effects of phytochemicals of natural and synthetic origin on aging, longevity, and health of human cells, after the initial screening using the animal model systems of nematodes and rats and mice. Accordingly, the first series of three compounds, rosmarinic acid (ROSM), ampelopsin (AMPEL), and amorfrutin-A (AMOR), were selected to test for their short-term and long-term effects on human skin fibroblasts undergoing aging and senescenceThe lifelong modulatory effects of these compounds were tested individually at two doses (0.5 and 1.0 μM), selected after a short-term dose response check of a 20,000-fold range (0.01-200 μM). The results show that these compounds do have some beneficial effects in terms of supporting the long-term lifelong growth and enhanced stress tolerance of serially passaged cells. These effects seem to be achieved by reducing the extent of loss of telomeres, of 5-methyl-cytosine (5-mC) and of 5-hydroxymethyl-cytosine (5-hmC), by reducing the accumulation of oxidative DNA damage product 8-OHdG. There is also some indication that these compounds induce at least one of the stress responses in terms ofthe increased synthesis of heat shock protein Hsp70. Thus, these phytochemicals may be potential hormetins, which bring about their health beneficial effects by the phenomenon of mild stress-induced hormesis.

Study Type : Human In Vitro
Additional Links
Pharmacological Actions : Regenerative : CK(52) : AC(28)

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