Scientists Discover Pathway To Skin Regeneration
Mohammad Ali (@ChaudhryMAli88) Published July 19, 2019 | 12:24 PM
Doctors use lasers and retinoic acid to treat skin damage. Scientists have now uncovered a common mechanism that links both, paving the way for new treatments
Islamabad (UrduPoint / Pakistan Point News - 19th July, 2019) Doctors use lasers and retinoic acid to treat skin damage. Scientists have now uncovered a common mechanism that links both, paving the way for new treatments.Skin damage, in the form of dark spots and wrinkles, naturally occurs as we age.
Ultraviolet light from the sun is a major factor in skin aging and causes what experts call photoaging.Cosmetic procedures, such as laser treatment, chemical peels, and microdermabrasion, can reduce some of the signs doctors associate with photoaging.Indeed, experts predict that the facial rejuvenation industry will increase its market revenue from just over $17 billion per year in 2018 to around $25 billion in 2025.Yet our knowledge of how the techniques that dermatologists and plastic surgeons traditionally use on our skin work is still in its infancy.Researchers from the Department of Dermatology at Johns Hopkins University school of Medicine in Baltimore, MD, along with national and international collaborators, are seeking to further our understanding of the molecular processes underpinning skin rejuvenation technologies.In a recent publication in the journal Nature Communications, they present their latest findings and explain how this may lead to better treatments in the long run.Lasers and retinoic acidDr.
Luis Garza, an associate professor of dermatology at the Johns Hopkins University School of Medicine, and his team used data and skin biopsies from 17 women who had undergone treatment with a common form of laser rejuvenation therapy, which they say improves skin photoaging.The team found an increase in the expression of genes that sense a particular type of molecule called self-noncoding double-stranded RNA (dsRNA).In previous research, Dr.
Garza showed that damaged skin cells release dsRNA, which, in turn, acts as a danger signal and kickstarts skin and hair follicle regeneration in mice.In the current study, the team also found an increase in the expression of genes involved in producing retinoic acid.
This vitamin A derivative plays a central role in embryonic development, and scientists know that it contributes to skin and limb regeneration in animal models.Doctors use retinoic acid to treat skin conditions, such as psoriasis and acne, but also for skin rejuvenation.In experimental cell cultures, using human skin cells, Dr.
Garza saw an increase in retinoic acid production when the researchers applied a synthetic form of dsRNA.Armed with this knowledge, the team set out to identify how dsRNA and retinoic acid may work together to drive skin regeneration.
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