St. John's wort and its component hyperforin alleviate experimental autoimmune encephalomyelitis through expansion of regulatory T-cells. Nosratabadi R, Rastin M, Sankian M, Haghmorad D, Tabasi N, Zamani S, Aghaee A, Salehipour Z, Mahmoudi M J Immunotoxicol. 2015 Dec 3:1-11. PMID: 26634391. Abstract CommentRecommendBookmarkWatch