Vimentin (Homo sapiens) NP_003371; Uniprot P08670. Vimentin is a filament protein that functions cellular integrity. Vimentin also plays a role in regulating vascular endothelium, fat metabolsim, and inflammatory response. Vimentin is used clinically as an important tumor marker. GlycoScientific has developed polyclonal antibodies and peptides against glycosylated and non-glycosylated vimentin.