The function of THSD1 (thrombospondin type 1 domain containing 1, Ensembl gene identifier ENSG00000136114) is as follows. Is a positive regulator of nascent focal adhesion assembly, involved in the modulation of endothelial cell attachment to the extracellular matrix. {ECO:0000269|PubMed:27895300, ECO:0000269|PubMed:29069646}.