ABSTRACT
StudiesofREfunctionusinginvitroassaystomonitormonocyte-RBCinteractionshaveshown thatthereisincreasedreactivityinpatientswithautoimmunehemolyticanemia(181,182). Whethertheseincreasesarearesultoracauseoftheconditionisunknown;itcouldbethata preexistingactivationresultsinanautocatalyticeffectwherebytheRESisfurtheractivated.