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TELOMERE AND TELOMERASE MODULATION BY BERGAMOT POLYPHENOLIC FRACTION IN EXPERIMENTAL PHOTOAGEING IN HUMAN KERATINOCYTES.

Authors: S S. Nisticò, J J. Ehrlich, M M. Gliozzi, J J. Maiuolo, E E. Del Duca, C C. Muscoli, V V. Mollace
Published: 09/25/2015, Journal of biological regulators and homeostatic agents

Abstract

Photoageing represents the addition of extrinsic chronic ultraviolet radiation-induced damage on intrinsic ageing and accounts for most age-associated changes in skin appearance. In this study, we evaluated the effect of 38% BPF, a highly concentrated extract of the bergamot fruit (Citrus bergamia) on UVB-induced photoageing by examining inflammatory cytokine expression, telomere length/telomerase alterations and cellular viability in human immortalized HaCaT keratinocytes. Our results suggest that 38% BPF protects HaCaT cells against UVB-induced oxidative stress and markers of photoageing in a dose-dependent manner and could be a useful supplement in skin care products. Together with antioxidant properties, BPF, a highly concentrated extract of the bergamot fruit, appears to modulate basic cellular signal transduction pathways leading to anti-proliferative, anti-aging and immune modulating responses.

PubMed