L-Sepiapterin, also known as Sepiapterin, is a precursor compound crucial for the production of tetrahydrobiopterin (BH4), which serves as a coenzyme for endothelial nitric oxide synthase (eNOS). This compound demonstrates its efficacy by improving endothelial dysfunction in small mesenteric arteries from db/db mice and promoting angiogenesis. Moreover, L-Sepiapterin exerts inhibitory effects on cellular proliferation and migration in ovarian cancer cells through the down-regulation of p70S6K-dependent vascular endothelial growth factor receptor-2 (VEGFR-2) expression[1][2]. |