Shots: Roche has received the CE Mark approval for its Elecsys Apolipoprotein E4 biomarker test, an in-vitro diagnostic immunoassay to identify the presence of the ApoE4 gene variant in the bloodstream The assay was evaluated in a study of 607 subjects with cognitive complaints or objective memory impairment of unknown aetiology, where Elecsys ApoE4 assay showed…