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Sweat’s Secret Weapon: A Natural Guard Against Lyme Disease

Lyme disease, transmitted by ticks and affecting nearly half a million Americans annually, has found a formidable opponent not in medicine, but within us. Researchers from MIT and the University of Helsinki have uncovered a protein in human sweat that offers protection against this bacterial affliction. Intriguingly, a third of the population carries a genetic […]

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Sweat’s Secret Weapon: A Natural Guard Against Lyme Disease

Lyme disease, transmitted by ticks and affecting nearly half a million Americans annually, has found a formidable opponent not in medicine, but within us. Researchers from MIT and the University of Helsinki have uncovered a protein in human sweat that offers protection against this bacterial affliction. Intriguingly, a third of the population carries a genetic variant of this protein, linking directly to Lyme disease susceptibility.

The exact mechanism through which this protein hinders Lyme disease-causing bacteria remains a mystery. However, the potential applications are vast, ranging from preventive skin creams to treatments for those unaided by traditional antibiotics. “This discovery could lead to significant advancements in Lyme disease prevention and treatment,” says Michal Caspi Tal from MIT’s Department of Biological Engineering.

The journey to this discovery began with a hunt for genetic markers linked to Lyme disease, leading to the unexpected find of SCGB1D2, a secretoglobin primarily produced in sweat glands. Laboratory tests revealed the protein’s formidable ability to inhibit the growth of Borrelia burgdorferi, the bacterium responsible for Lyme disease. Remarkably, in mouse models, exposure to the protein’s normal variant completely halted the infection, showcasing its potential as a protective agent.

This groundbreaking research, confirmed by independent studies in Estonia, opens up new avenues for combating Lyme disease. The MIT and University of Helsinki teams are now exploring the protein’s protective capabilities in skin application and its therapeutic potential for antibiotic-resistant infections.

While the protective variant of SCGB1D2 doesn’t render individuals immune to Lyme disease, its presence suggests that natural factors, like sweating, could influence susceptibility. Beyond Lyme disease, this discovery paves the way for exploring secretoglobins’ broader role in antimicrobial defense, particularly in the lungs where many are found.

Funded by a coalition of private and public supporters, this research marks a pivotal step in understanding and leveraging the body’s innate defenses against Lyme disease and possibly other pathogens.

The link to the original article is here.

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Editor-in-chief

Dr. Ravindra Shinde is the editor-in-chief and the founder of The Science Dev. He is also a research scientist at the University of Twente, the Netherlands. His research interests include computational physics, computational materials, quantum chemistry, and exascale computing. His mission is to disseminate cutting-edge research to the world through succinct and engaging cover stories.

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