Recombinant Anti-PDGFR1 x Anti-VEGF Bispecific Antibody (Tandem Fab) is designed to be expressed as three chains derived from the variable domains of anti-PDGFR1 and anti-VEGF parental antibodies. It contains a His-tag for affinity purification. And the two Fd regions are connected by a flexible linker. This BsAb can bind two antigens simultaneously. It is designed for the research of Neovascular ocular disorders; Cancers therapy.