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According to a latest study, there may be new avenues for treatment of eczema, a common allergic condition of the skin. According to the researchers at the University of Edinburgh, on exposure to sunlight, the skin releases a compound that can ease the symptoms of this condition.
According to lead researchers Dr Anne Astier, nitric oxide has powerful anti-inflammatory properties and could be studied as an alternative drug target. For this study the team of researchers exposed some health volunteer participants to UV light, on a small patch of skin. On testing they noted presence of nitric oxide in their blood stream as a result of this exposure. Nitric oxide in turn was noted to activate some specialized immune cells called the regulatory T cells. These cells kill the hyperactive inflammatory responses that lead to the symptoms of eczema in the first place.
The team of researchers noted that after light therapy eczema patients had a marked increase in the number of regulatory T cells in their blood. This also correlated directly with the improvement of the eczema symptoms and disease improvement.