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- Bolden,C. etal. (1992) J.Pharmacol.Exp.Ther. 260, 576.
- Sudo,Y. etal. (1999) LifeSci. 64, PL99.
- Brocks,D.R. (1999) J.Pharm.Pharmaceut.Sci.2, 39.
- AlomoneLabsBiperidenhydrochlorideinhibitscarbachol’seffectonM1 mAChRexpressedinC6cells.CellswereloadedwithFluo-3AMandchangesinintracellularCa2+ weredetectedviachangesinFluo-3emissionfollowingapplication.A.Normalizedfluorescencefollowingapplication(arrow)of10μMCarbacholwithout(control)andwith10or100μM Biperidenhydrochloride (#B-115),asindicated.B.Inhibitionof10μMCarbacholeffect,plottedagainstBiperidenhydrochlorideconcentrations.
- 1.Bonner,T.I. (1989) Trends.Neurosci. 12, 148.
- 2.Felder,C.C. (1995) FASEB.J. 9, 619.
- 3.Bolden,C. etal. (1992) J.Pharmacol.Exp.Ther. 260, 576.
- 4.Eltze,M.andFigala,V. (1988) Eur.J.Pharmacol. 158, 11.
- 5.Brocks,D.R. (1999) J.Pharm.Pharmaceut.Sci. 2, 39.
- 6.Sudo,Y. etal. (1999) LifeSci. 64, PL99.
Muscarinicacetylcholinereceptors(mAChR)regulateanumberofimportantbasicphysiologicfunctionsincludingheartrate,motorandsensorycontrolandmorecomplexbehaviorsincludingarousal,memory,andlearning.LossofmuscarinicreceptornumberorfunctionhasbeenimplicatedintheetiologyofseveralneurologicaldisordersincludingAlzheimer"sdementia,Down"ssyndrome,andParkinson"sdisease.Fivesubtypesofmuscarinicreceptors(m1-m5)havebeenidentifiedbymolecularcloning1andmuchhasbeenlearnedabouttheirdistribution,pharmacology,andstructure2.
Biperidenhydrochlorideisanon-selectivemuscarinicreceptorantagonistthatdisplaysselectivityfortheM1subtype(Kivaluesare0.48,2.4,3.9,6.3and6.3nMforM1,M4,M3,M2andM5receptorsrespectively)3-4.Itisantiparkinsonian5andthereforeusedfortheadjunctivetreatmentofallformsofParkinson"sdisease(postencephalitic,idiopathic,andarteriosclerotic),alsocommonlyusedtoimproveparkinsoniansignsandsymptomsrelatedtoantipsychoticdrugtherapy6.
Biperidenhydrochloride(#B-115) isahighlypure,synthetic,andbiologicallyactivecompound.