6 citations
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July 1994 in “Journal of Dermatological Science” This study found that introducing the recombinant rat OTC gene into SPF-ASH mice restored normal hair growth and metabolic function, improving symptoms associated with OTC deficiency.
September 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” The researchers found that SPF50+ sunscreens provided the highest DNA protection against solar-simulated radiation in a reconstituted human epidermis model, with formulation type not affecting efficacy for a given SPF.
12 citations
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March 2019 in “Cosmetics” In this study, a combined regimen of an oral supplement with Pinus pinaster, Grape seed extract, vitamins, and minerals, plus high SPF sunscreen, significantly improved mild-to-moderate facial melasma in 30 women over 84 days, reducing pigmentation and enhancing cosmetic appearance with no reported adverse effects.
In this study, introducing the rat OTC gene into spf-ash mice led to increased OTC activity and normalized hair growth and biochemical markers like urinary orotic acid and serum citrulline, partially correcting the symptoms of OTC deficiency.
14 citations
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February 1991 in “FEBS Letters” This study found that introducing rat ornithine transcarbamylase gene into spf-ash mice improved liver and intestinal enzyme activity and normalized some metabolic indicators.