Proline-rich polypeptides - in particular (PRP-1) galarmin and its structural analogues - are, when isolated from the neurosecretory granules of neurohypophysis of humans and animals, a new type of hypothalamic peptides. They work against aerobic, anaerobic, gram-positive, and gram-negative microorganisms in vivo, and do not have etiotropic properties. They are unique and capable substitutes to antibiotics, and, moreover, may be effective against strains, such as MRSA, that develop resistance to antibiotics. Galarmin, a component of the brain neuroendocrine system produced by the...