sma4dMonoclonal Antibody for studying Semaphorin-4D. Validated for IHC, IP, WB. Available in 2 sizes. Hhly specific and rorously validated in-house, Semaphorin-4DCD100 (E5C3B) XP® RabbitEvans and colleagues describe a novel immunomodulatory function of semaphorin 4D (SEMA4D) and show that blocking SEMA4D enhances immune infiltration into tumor