TNF and Alzheimer disease: For instance, initially identified as a subset of TNF-α and iNOS-expressing inflammatory dermal dendritic cells in psoriasis, the so-called 6-sulfo LacNAc-expressing monocytes (slanMo), which were also thought to play a role in the pathogenesis of AD, were shown to be HLA-DR+ when phenotyped into lesional AD skin samples [145].