ADGRB1 and neoplasm: Another PtdSer receptor BAI1 has been shown to drive a proinflammatory anti-gram-negative bacterial macrophage response against Salmonella enterica serotype typhimurium,170 as well as an antiviral macrophage response against oncolytic herpes simplex virus.171 Whether BAI1-dependent efferocytosis has any role in tumor progression remains unknown.