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The Endogenous Cannabinoids and the Control of Drug Craving Alexandros Makriyannis, Director

The Endogenous Cannabinoids and the Control of Drug Craving

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The Endogenous Cannabinoids and the Control of Drug Craving. Alexandros Makriyannis, Director. D 9 - THC / D 8 -THC. (-)D 9 -tetrahydrocannabinol. (-)D 8 -tetrahydrocannabinol. Medicinal Uses for Cannabinoids. Analgesic Anticonvulsive Sedative Antidepressive Hypnotic Antiasthmatic. - PowerPoint PPT Presentation

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Page 1: The Endogenous Cannabinoids and the Control of Drug Craving

The Endogenous Cannabinoids and the Control of Drug Craving

Alexandros Makriyannis, Director

Page 2: The Endogenous Cannabinoids and the Control of Drug Craving
Page 3: The Endogenous Cannabinoids and the Control of Drug Craving

99-THC / / 88-THC-THC

O

OH

O

OH

99-tetrahydrocannabinol-tetrahydrocannabinol 88-tetrahydrocannabinol-tetrahydrocannabinol

Page 4: The Endogenous Cannabinoids and the Control of Drug Craving

Medicinal Uses for Cannabinoids

AnalgesicAnalgesic

AnticonvulsiveAnticonvulsive

SedativeSedative

AntidepressiveAntidepressive

HypnoticHypnotic

AntiasthmaticAntiasthmatic

ImmunomodulationImmunomodulation

Memory EnhancingMemory Enhancing

AnestheticAnesthetic

Birth ControlBirth Control

Appetite StimulationAppetite Stimulation

AntipyreticAntipyretic

Neuropathic PainNeuropathic Pain

AntiemeticAntiemetic

AntirheumaticAntirheumatic

AntimigraineAntimigraine

AntineuralgicAntineuralgic

Reduction of FatigueReduction of Fatigue

Page 5: The Endogenous Cannabinoids and the Control of Drug Craving

Two Cannabinoid Receptors: CB1 & CB2

264

257

CB1

e1e2

e3

i1i2

i3

174

179

CB2

e1e2

e3

i1i2

i3

ExtracellularExtracellular

472 amino acids472 amino acids 360 amino acids360 amino acids

Page 6: The Endogenous Cannabinoids and the Control of Drug Craving
Page 7: The Endogenous Cannabinoids and the Control of Drug Craving

Endogenous Cannabinoid Receptor Ligands

O

OOH

OHNH

O

OH

Anandamide 2-Arachidonylglycerol

Palmitylethanolamide

N

O

OH

H

CB272 279CB1 CB2CB1

Ki (nM)

58 145

Page 8: The Endogenous Cannabinoids and the Control of Drug Craving

AEAAEA

AEA

AEA

AEA

CB1/CB2

AEAAT

AEA

AEA

AA +

ethanolamine

biologicalactions

FAAH

extracellular space

DPPE

NAT

NAPE

PLD

DAG

2-AG

DAG-L2-AG

Page 9: The Endogenous Cannabinoids and the Control of Drug Craving

Cannabinoid Targets for Drug Discovery

Page 10: The Endogenous Cannabinoids and the Control of Drug Craving

Nature Neuroscience, Nature Neuroscience, Vol. 2, 4, 304-5 (1999)Vol. 2, 4, 304-5 (1999)

Page 11: The Endogenous Cannabinoids and the Control of Drug Craving

Retrograde Signaling & the Cannabinergic System

Page 12: The Endogenous Cannabinoids and the Control of Drug Craving

Purification of FAAH

• MW: 63 kDaMW: 63 kDa• pI: 6.2pI: 6.2

208208144144

8787

44.144.1

32.732.7

Page 13: The Endogenous Cannabinoids and the Control of Drug Craving

Inhibition of [3H]anandamide accumulation by AM 404 and AM403

Science, Vol. 277, 1094-97 (1997)

AM404

AM403

NH

O

OH

NH

O

OH

Page 14: The Endogenous Cannabinoids and the Control of Drug Craving

Pharmacological Tools

Page 15: The Endogenous Cannabinoids and the Control of Drug Craving

Cannabinergic Ligands

O

OH

O

NH

OH

AM 251AM 251

N

NN

I

N

O

Cl

Cl

H

Anandamides (AEA’s)Anandamides (AEA’s)

AM356AM356

1,5-Biarylpyrazoles1,5-Biarylpyrazoles

88-THC-THC

Aminoalkylindoles(AAI’s)Aminoalkylindoles(AAI’s)

Non-Classical (NCC’s)N

O

N

O

I OMe

AM630AM630

OH

OH

OH

Classical (CC’s)Classical (CC’s)CP55,940CP55,940

Page 16: The Endogenous Cannabinoids and the Control of Drug Craving