Nearly 2% of people worldwide chronically suffer from itchy and painful patches on their bodies, the manifestation of psoriasis, an incurable inflammatory disease in which immune cells infiltrate the skin and release molecules called cytokines that stimulate the skin cells to grow too rapidly. Treatments such as corticosteroids and immunosuppressants can help alleviate mild forms of the disease, and newer antibody-based therapies provide some relief for some of the most severe cases, but some patients fail to respond to these treatments or experience harmful side effects. Now, a new study shows that inhibiting a specific microRNA—a short bit of genetic material that influences the production of proteins in cells—appears to be an effective psoriasis treatment in mice, leaving researchers hopeful that this therapeutic approach will one day be tested in clinical trials.  Read more