Based on synonyms in MeSH and EMTREE databases and assuming hyphenated terms will retrieve hyphenated terms as well as those with spaces.
MDA-5 OR MDA5 OR IFIH1-protein OR interferon-induced-with-helicase-C-domain-1-protein OR interferon-induced-helicase-C-domain-containing-protein-1 OR IFIH1 OR IFIH-1 OR melanoma-differentiation-associated-protein-5 OR MDA-5 OR MDA5 OR RIG-I-like-receptor-2
