THBS1 and malaria: However it is now realized to be a multi ligand scavenger because besides TSP-1, its ligands are long-chain fatty acids, modified LDL, retinal photoreceptor outer segments, malarial parasite, malaria-parasitized erythrocytes, sickle erythrocytes, anionic phospholipids, apoptotic cells, and collagens I and IV [26,27].