TNF and behavioral variant of frontotemporal dementia: In this study, we also found increased levels of BAFF/TNFSF13B, TWEAK/TNFSF12, and sCD30/TNFRSF8 in bvFTD; however, TNF-α was not changed, which is consistent with some studies [6, 29] and inconsistent with others [23, 27, 28].