Gene Expression Analysis of a Topical Serum Comprised of Plant-based Adaptogens Developed to Support Homeostasis and Skin Quality.

J Clin Aesthet Dermatol

Ms. Nelson is with Skinbetter Science, a Dermatological Beauty brand of L'Oréal USA, Inc. in Phoenix, Arizona.

Published: February 2024

Objective: A topical serum comprised of plant-based adaptogens was purposefully developed to support the ability of the skin to adapt and achieve balance. The study described herein evaluated changes in the expression of target genes related to skin homeostasis following topical exposure.

Methods: Utilizing an epidermal skin model, quantitative polymerase chain reaction (qPCR) analysis of gene expression was conducted following 48-hour exposure to 15μL of the study product (MYS serum) to the surface of each tissue (N=4). Biomarkers that play a key role in skin homeostasis were analyzed: Aryl hydrocarbon receptor (), chloride channel accessory 2 (), metallothionein 1A (), 1F (), and 1G (), and thioredoxin reductase 1 (). Statistically significant changes were calculated using unpaired t-test analysis (<0.05) versus control (saline). A linear Fold Change (FC) value >2 was considered statistically significant.

Results: An 85 percent (FC=1.85) increase in expression of AhR vs. control occurred following exposure to MYS serum indicating enhanced support of cellular and epidermal homeostasis, and the skin barrier's response to stress. Statistically significant increases in expression occurred with (293%; FC=3.93), (307%; FC=4.07), (529%; FC=6.29), and (163%; FC=12.63) vs. control, indicating support of skin's adaptive response to stress and immune homeostasis. Significantly decreased levels of were demonstrated (69%; FC=-3.24) indicating inhibition of oxidative stress-induced senescence.

Conclusion: Utilizing an epidermal skin model, a serum comprised of plant-based adaptogens demonstrated changes in the expression of target genes that play important roles in skin's ability to respond to stress and achieve homeostasis.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10911264PMC

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