nospam at no.go.jp (hiroya) wrote in message news:<nospam-0603021832320001 at maca186.cryo2.affrc.go.jp>...
> Will somebody tell me some antagonist for Neuropeptide Y receptors in
> brain which can inject or infuse from periphery?
Tocris Cookson supply a whole load of neurotransmitter/modulator
compounds including peptide analogues. I had a quick look and they
have a new Neuropeptide Y antagonist (specifically for the Y5
receptor) L-152,804, that is active in vivo after oral administration.
Their website is www.tocris.com