BECN1 and neoplasm: Moreover, the expression levels of CD86 (M1 macrophage marker) and CSF1R (M2 macrophage marker) were positively correlated with those of BECN1 (autophagy regulator) and BCL2 (only CD86) that were in turn correlated with MTOR expression in tumor B cells and in the CD86+ macrophage subtype.