1996g-096 adrenomedullin amylin amyloidbeta-protein biologicalassay biosynthesis braindiseases calcitoningene-relatedpeptide cells cellular congresses cultured cytology degeneration isolation laboratorymanuals metabolism methods molecularaspects nervedegeneration nervoussystem neurogenetics neurons pathology peptides physiology physiopathology purification qu25a5312005 receptors wl359n49441996