EurekAlert : declared in Personalized skin lotions keep disease-causing bacteria at bay

They developed unique lotions containing bacteria isolated from each individual, which prevented those patients from becoming colonized by S. aureus. Certain strains of beneficial bacteria even suppressed the growth of methicillin-resistant Staphylococcus aureus (MRSA), a difficult-to-treat and sometimes lethal pathogen. Knowledge of the specific microbial genes encoding AMPs allowed the scientists to identify small numbers of guardian bacteria on AD patients' skin. Two new antibiotics that specifically abolished a potentially disease-causing form of Staphylococcus aureus were discovered in the secretions of innocuous bacteria that naturally occupy people's skin, a new study reports. Personalized lotions containing the "friendly" bacteria protected against S. aureus colonization for five patients with Atopic Dermatitis (AD) - a condition characterized by frequent skin infections that afflicts up to 20% of the population at some point in their lives.

In promising study, adding 'good' bacteria to skin lotion wards off bad germs

But those good bugs are rare in the skin of people with atopic dermatitis, Gallo said. Now scientists are mixing the good bugs into lotions in hopes of spreading protection. Researchers culled some of the rare protective bacteria from the volunteers' skin, grew a larger supply and mixed a dose into an over-the-counter moisturizer. The study couldn't address the bigger question of whether exposure to the right mix of protective bacteria might improve atopic dermatitis itself, cautioned Mount Sinai's Guttman-Yassky. "They're normal skin bacteria, so we knew they would be safe," Gallo noted.


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collected by :Lucy William

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