ArticleChinese journal of integrative medicine2025
Salvianolic Acid B Exerts Antiphotoaging Effect on Ultraviolet B-Irradiated Human Keratinocytes by Alleviating Oxidative Stress via SIRT1 Protein.
Article in Chinese journal of integrative medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Protein Post-Translational Modifications in UV-Induced Skin Damage.Experimental dermatology · 2026Review
- Comparative Phytochemical Characterization, Biological Activities and Safety Assessment ofPlants (Basel, Switzerland) · 2026Article
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Authors and funding
7 authors.
Funding
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Abstract
objectiveTo explore the anti-photoaging properties of salvianolic acid B (Sal B).
methodsThe optimal photoaging model of human immortalized keratinocytes (HaCaT cells) were constructed by expose to ultraviolet B (UVB) radiation. The cells were divided into control, model and different concentrations of Sal B groups. Cell viability was measured via cell counting kit-8. Subsequently, the levels of oxidative stress, including reactive oxygen species (ROS), hydroxyproline (Hyp), catalase (CAT), and glutathione peroxidase (GSH-Px) were detected using the relevant kits. Silent information regulator 1 (SIRT1) protein level was detected using Western blot. The binding pattern of Sal B and SIRT1 was determined via molecular docking.
resultsSal B significantly increased the viability of UVB-irradiated HaCaT cells (P<0.05 or P<0.01). Sal B effectively scavenged the accumulation of ROS induced by UVB (P<0.05 or P<0.01). In addition, Sal B modulated oxidative stress by increasing the intracellular concentrations of Hyp and CAT and the activity of GSH-Px (P<0.05 or P<0.01). The Western blot results revealed a substantial increase in SIRT1 protein levels following Sal B administration (P<0.05). Moreover, Sal B exhibited good binding affinity toward SIRT1, with a docking energy of -7.5 kCal/mol.
conclusionSal B could improve the repair of photodamaged cells by alleviating cellular oxidative stress and regulating the expression of SIRT1 protein.
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