Neuromedin U-25 human is the active form of neuromedin U in human. Neuromedin U-25 human inhibits glucose-stimulated insulin secretion, which leads to early-onset obesity. Neuromedin U-25 serves as vasoconstrictor in human vascular beds.

Methylacetoacetic acid has been identified in the urine of patients with an inherited deficiency of propionyl-CoA carboxylase and after isoleucine loading in the diagnosis of 2-methylacetoacetyl-CoA thiolase deficiency.

Hexadimethrine bromide is a synthetic polymer which agglutinates red blood cells, and used as a heparin antagonist.Hexadimethrine bromide inhibits human mesenchymal stem cell proliferation during lentiviral transduction.