a cellular structure that is postulated to exist in order to mediate between a chemical agent that acts on nervous tissue and the physiological response
NMR solution structure of a peptide mimetic of the fourth cytoplasmic loop of the CB1 cannabinoid receptor based on the PDB: 2b0y coordinates.
Identifiers
Symbol
CNR1
Alt. symbols
CNR
Entrez
1268
HUGO
2159
OMIM
114610
Orthologs
7273
RefSeq
NM_033181
UniProt
P21554
Other data
Locus
Chr. 6 q14-q15
cannabinoid receptor 2 (macrophage)
Identifiers
Symbol
CNR2
Entrez
1269
HUGO
2160
OMIM
605051
Orthologs
1389
RefSeq
NM_001841
UniProt
P34972
Other data
Locus
Chr. 1 p
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Cannabinoid receptors, located throughout the body, are part of the endocannabinoid system, which is involved in a variety of physiological processes including appetite, pain-sensation, mood, and memory.[1]
Cannabinoid receptors are of a class of cell membrane receptors in the G protein-coupled receptor superfamily.[2][3][4] As is typical of G protein-coupled receptors, the cannabinoid receptors contain seven transmembrane spanning domains.[5] Cannabinoid receptors are activated by three major groups of ligands: endocannabinoids, produced by the mammillary body;[citation needed] plant cannabinoids (such as cannabidiol, produced by the cannabis plant); and synthetic cannabinoids (such as HU-210). All of the endocannabinoids and phytocannabinoids (plant based cannabinoids) are lipophilic, such as fat soluble compounds.
There are currently two known subtypes of cannabinoid receptors, termed CB1 and CB2.[6][7] The CB1 receptor is expressed mainly in the brain (central nervous system or "CNS"), but also in the lungs, liver and kidneys. The CB2 receptor is expressed mainly in the immune system and in hematopoietic cells.[8] Mounting evidence suggests that there are novel cannabinoid receptors[9] that is, non-CB1 and non-CB2, which are expressed in endothelial cells and in the CNS. In 2007, the binding of several cannabinoids to the G protein-coupled receptor GPR55 in the brain was described.[10]
The protein sequences of CB1 and CB2 receptors are about 44% similar.[11][12] When only the transmembrane regions of the receptors are considered, amino acid similarity between the two receptor subtypes is approximately 68%.[5] In addition, minor variations in each receptor have been identified. Cannabinoids bind reversibly and stereo-selectively to the cannabinoid receptors. Subtype selective cannabinoids have been developed which theoretically may have advantages for treatment of certain diseases such as obesity.[13]
It appears that cannabinoid receptors are unique to the phylum Chordata and, as such, they have a rather restricted phylogenetic distribution in the animal kingdom. However, enzymes involved in biosynthesis/inactivation of endocannabinoids and endocannabinoid signalling in general (involving targets other than CB1/2-type receptors) occur throughout the animal kingdom.[14] Although the cannabinoid receptors are unique to Chordates, other organisms are still able to process the endocannabinoids through other techniques.
Contents
1CB1
2CB2
3Other cannabinoid receptors
4Signaling
5Cannabinoid treatments
6Ligands
6.1Binding affinity and selectivity of cannabinoid ligands
7See also
8References
9External links
CB1
Main article: Cannabinoid receptor type 1
Cannabinoid receptor type 1 (CB1) receptors are thought to be one of the most widely expressed Gαi protein-coupled receptors in the brain. One mechanism through which they function is endocannabinoid-mediated depolarization-induced suppression of inhibition, a very common form of retrograde signaling, in which the depolarization of a single neuron induces a reduction in GABA-mediated neurotransmission. Endocannabinoids released from the depolarized post-synaptic neuron bind to CB1 receptors in the pre-synaptic neuron and cause a reduction in GABA release due to limited presynaptic calcium ions entry.[medical citation needed]
They are also found in other parts of the body. For instance, in the liver, activation of the CB1 receptor is known to increase de novo lipogenesis.[15]
CB2
Main article: Cannabinoid receptor type 2
CB2 receptors are mainly expressed on T cells of the immune system, on macrophages and B cells, and in hematopoietic cells. They also have a function in keratinocytes. They are also expressed on peripheral nerve terminals. These receptors play a role in antinociception, or the relief of pain. In the brain, they are mainly expressed by microglial cells, where their role remains unclear. While the most likely cellular targets and executors of the CB2 receptor-mediated effects of endocannabinoids or synthetic agonists are the immune and immune-derived cells (e.g. leukocytes, various populations of T and B lymphocytes, monocytes/macrophages, dendritic cells, mast cells, microglia in the brain, Kupffer cells in the liver, astrocytes, etc.), the number of other potential cellular targets is expanding, now including endothelial and smooth muscle cells, fibroblasts of various origins, cardiomyocytes, and certain neuronal elements of the peripheral or central nervous systems.[8]
Other cannabinoid receptors
The existence of additional cannabinoid receptors has long been suspected, due to the actions of compounds such as abnormal cannabidiol that produce cannabinoid-like effects on blood pressure and inflammation, yet do not activate either CB1 or CB2.[16][17] Recent research strongly supports the hypothesis that the N-arachidonoyl glycine (NAGly) receptor GPR18 is the molecular identity of the abnormal cannabidiol receptor and additionally suggests that NAGly, the endogenous lipid metabolite of anandamide (also known as arachidonoylethanolamide or AEA), initiates directed microglial migration in the CNS through activation of GPR18.[18] Other molecular biology studies have suggested that the orphan receptor GPR55 should in fact be characterised as a cannabinoid receptor, on the basis of sequence homology at the binding site. Subsequent studies showed that GPR55 does indeed respond to cannabinoid ligands.[10][19] This profile as a distinct non-CB1/CB2 receptor that responds to a variety of both endogenous and exogenous cannabinoid ligands, has led some groups to suggest GPR55 should be categorized as the CB3 receptor, and this re-classification may follow in time.[20] However this is complicated by the fact that another possible cannabinoid receptor has been discovered in the hippocampus, although its gene has not yet been cloned,[21] suggesting that there may be at least two more cannabinoid receptors to be discovered, in addition to the two that are already known. GPR119 has been suggested as a fifth possible cannabinoid receptor.,[22] while the PPAR family of nuclear hormone receptors can also respond to certain types of cannabinoid.[23]
Signaling
Cannabinoid receptors are activated by cannabinoids, generated naturally inside the body (endocannabinoids) or introduced into the body as cannabis or a related synthetic compound.[11] Similar responses are produced when introduced in alternative methods, only in a more concentrated form than what is naturally occurring.
After the receptor is engaged, multiple intracellular signal transduction pathways are activated. At first, it was thought that cannabinoid receptors mainly inhibited the enzyme adenylate cyclase (and thereby the production of the second messenger molecule cyclic AMP), and positively influenced inwardly rectifying potassium channels (=Kir or IRK).[24] However, a much more complex picture has appeared in different cell types, implicating other potassium ion channels, calcium channels, protein kinase A and C, Raf-1, ERK, JNK, p38, c-fos, c-jun and many more.[24]
Separation between the therapeutically undesirable psychotropic effects, and the clinically desirable ones, however, has not been reported with agonists that bind to cannabinoid receptors. THC, as well as the two major endogenous compounds identified so far that bind to the cannabinoid receptors —anandamide and 2-arachidonylglycerol (2-AG)— produce most of their effects by binding to both the CB1 and CB2 cannabinoid receptors. While the effects mediated by CB1, mostly in the central nervous system, have been thoroughly investigated, those mediated by CB2 are not equally well defined.
Prenatal cannabis exposure (PCE) has been shown to perturb the fetal endogenous cannabinoid signaling system. This pertubation has not been shown to directly affect neurodevelopment nor cause lifelong cognitive, behavioral, or functional abnormalities, but it may predispose offspring to abnormalities in cognition and altered emotionality from post-natal factors.[25]. Additionally, PCE may alter the wiring of brain circuitry in foetal development and cause significant molecular modifications to neurodevelopmental programs that may lead to neurophysiological disorders and behavioural abnormalities.[26]
Cannabinoid treatments
Main article: Medical cannabis
Synthetic tetrahydrocannabinol (THC) is prescribed under the INN dronabinol or the brand name Marinol, to treat vomiting and for enhancement of appetite, mainly in people with AIDS as well as for refractory nausea and vomiting in people undergoing chemotherapy.[27] Use of synthetic THC is becoming more common as the known benefits become more prominent within the medical industry. THC is also an active ingredient in nabiximols, a specific extract of Cannabis that was approved as a botanical drug in the United Kingdom in 2010 as a mouth spray for people with multiple sclerosis to alleviate neuropathic pain, spasticity, overactive bladder, and other symptoms.[28]
Ligands
See also: cannabinoid receptor type 1 ligands, cannabinoid receptor type 2 ligands
Binding affinity and selectivity of cannabinoid ligands
CB1 affinity (Ki)
Efficacy towards CB1
CB2 affinity (Ki)
Efficacy towards CB2
Type
References
Anandamide
78nM
Partial agonist
370nM
?
Endogenous
N-Arachidonoyl dopamine
?
Agonist
?
?
Endogenous
2-Arachidonoylglycerol
?
Full agonist
?
?
Endogenous
2-Arachidonyl glyceryl ether
21 nM
Full agonist
480nM
Full agonist
Endogenous
Δ-9-Tetrahydrocannabinol
10nM
Partial agonist
24nM
Partial agonist
Phytogenic
[29][29]
EGCG
33.6μM
Agonist
>50μM
?
Phytogenic
Yangonin
0.72 μM
?
> 10 μM
?
Phytogenic
[30]
AM-1221
52.3nM
Agonist
0.28nM
Agonist
Synthetic
[31]
AM-1235
1.5nM
Agonist
20.4nM
Agonist
Synthetic
[32]
AM-2232
0.28nM
Agonist
1.48nM
Agonist
Synthetic
[32]
UR-144
150nM
Full agonist
1.8nM
Full agonist
Synthetic
[33]
JWH-007
9.0nM
Agonist
2.94nM
Agonist
Synthetic
[34]
JWH-015
383nM
Agonist
13.8nM
Agonist
Synthetic
[34]
JWH-018
9.00 ± 5.00 nM
Full agonist
2.94 ± 2.65 nM
Full agonist
Synthetic
[34]
See also
Cannabinoid receptor antagonist
Endocannabinoid enhancer
Endocannabinoid reuptake inhibitor
Cannabidiol
Effects of cannabis
References
^Aizpurua-Olaizola O, Elezgarai I, Rico-Barrio I, Zarandona I, Etxebarria N, Usobiaga A (January 2017). "Targeting the endocannabinoid system: future therapeutic strategies". Drug Discovery Today. 22 (1): 105–110. doi:10.1016/j.drudis.2016.08.005. PMID 27554802.
^Howlett AC (August 2002). "The cannabinoid receptors". Prostaglandins Other Lipid Mediat. 68–69: 619–31. doi:10.1016/S0090-6980(02)00060-6. PMID 12432948.
^Mackie K (May 2008). "Cannabinoid receptors: where they are and what they do". J. Neuroendocrinol. 20 Suppl 1: 10–4. doi:10.1111/j.1365-2826.2008.01671.x. PMID 18426493.
^Graham ES, Ashton JC, Glass M (2009). "Cannabinoid receptors: a brief history and "what's hot"". Front. Biosci. 14 (14): 944–57. doi:10.2741/3288. PMID 19273110.
^ abSylvaine G, Sophie M, Marchand J, Dussossoy D, Carriere D, Carayon P, Monsif B, Shire D, LE Fur G, Casellas P (1995). "Expression of Central and Peripheral Cannabinoid Receptors in Human Immune Tissues and Leukocyte Subpopulations". Eur. J. Biochem. 232 (1): 54–61. doi:10.1111/j.1432-1033.1995.tb20780.x. PMID 7556170.
^Matsuda LA, Lolait SJ, Brownstein MJ, Young AC, Bonner TI (1990). "Structure of a cannabinoid receptor and functional expression of the cloned cDNA". Nature. 346 (6284): 561–4. doi:10.1038/346561a0. PMID 2165569.
^Gérard CM, Mollereau C, Vassart G, Parmentier M (1991). "Molecular cloning of a human cannabinoid receptor which is also expressed in testis". Biochem. J. 279 (Pt 1): 129–34. doi:10.1042/bj2790129. PMC 1151556. PMID 1718258.
^ abPacher P, Mechoulam R (2011). "Is lipid signaling through cannabinoid 2 receptors part of a protective system?". Prog Lipid Res. 50 (2): 193–211. doi:10.1016/j.plipres.2011.01.001. PMC 3062638. PMID 21295074.
^Begg M, Pacher P, Bátkai S, Osei-Hyiaman D, Offertáler L, Mo FM, Liu J, Kunos G (2005). "Evidence for novel cannabinoid receptors". Pharmacol. Ther. 106 (2): 133–45. doi:10.1016/j.pharmthera.2004.11.005. PMID 15866316.
^ abRyberg E, Larsson N, Sjögren S, Hjorth S, Hermansson NO, Leonova J, Elebring T, Nilsson K, Drmota T, Greasley PJ (2007). "The orphan receptor GPR55 is a novel cannabinoid receptor". Br. J. Pharmacol. 152 (7): 1092–1101. doi:10.1038/sj.bjp.0707460. PMC 2095107. PMID 17876302.
^ abLatek D, Kolinski M, Ghoshdastider U, Debinski A, Bombolewski R, Plazinska A, Jozwiak K, Filipek S (September 2011). "Modeling of ligand binding to G protein coupled receptors: cannabinoid CB1, CB2 and adrenergic β 2 AR". Journal of Molecular Modeling. 17 (9): 2353–66. doi:10.1007/s00894-011-0986-7. PMID 21365223.
^Munro S, Thomas KL, Abu-Shaar M (1993). "Molecular characterization of a peripheral receptor for cannabinoids". Nature. 365 (6441): 61–65. doi:10.1038/365061a0. PMID 7689702.
^Kyrou I, Valsamakis G, Tsigos C (November 2006). "The endocannabinoid system as a target for the treatment of visceral obesity and metabolic syndrome". Annals of the New York Academy of Sciences. 1083: 270–305. doi:10.1196/annals.1367.024. PMID 17148745.
^Maurice R. Elphick (2012), "The evolution and comparative neurobiology of endocannabinoid signalling", Philosophical Transactions of the Royal Society of London B, 367 (1607): 3201–3215, doi:10.1098/rstb.2011.0394, PMC 3481536, PMID 23108540
^Osei-Hyiaman D, DePetrillo M, Pacher P, Liu J, Radaeva S, Bátkai S, Harvey-White J, Mackie K, Offertáler L, Wang L, Kunos G (2005). "Endocannabinoid activation at hepatic CB1 receptors stimulates fatty acid synthesis and contributes to diet-induced obesity". J. Clin. Invest. 115 (5): 1298–305. doi:10.1172/JCI23057. PMC 1087161. PMID 15864349.
^Járai Z, Wagner JA, Varga K, Lake KD, Compton DR, Martin BR, Zimmer AM, Bonner TI, Buckley NE, Mezey E, Razdan RK, Zimmer A, Kunos G (November 1999). "Cannabinoid-induced mesenteric vasodilation through an endothelial site distinct from CB1 or CB2 receptors". Proc. Natl. Acad. Sci. U.S.A. 96 (24): 14136–41. doi:10.1073/pnas.96.24.14136. PMC 24203. PMID 10570211.
^McHugh D, Tanner C, Mechoulam R, Pertwee RG, Ross RA (February 2008). "Inhibition of human neutrophil chemotaxis by endogenous cannabinoids and phytocannabinoids: evidence for a site distinct from CB1 and CB2". Mol. Pharmacol. 73 (2): 441–50. doi:10.1124/mol.107.041863. PMID 17965195.
^McHugh D, Hu SS, Rimmerman N, Juknat A, Vogel Z, Walker JM, Bradshaw HB (March 2010). "N-arachidonoyl glycine, an abundant endogenous lipid, potently drives directed cellular migration through GPR18, the putative abnormal cannabidiol receptor". BMC Neuroscience. 11: 44. doi:10.1186/1471-2202-11-44. PMC 2865488. PMID 20346144.
^Johns DG, Behm DJ, Walker DJ, Ao Z, Shapland EM, Daniels DA, Riddick M, Dowell S, Staton PC, Green P, Shabon U, Bao W, Aiyar N, Yue TL, Brown AJ, Morrison AD, Douglas SA (November 2007). "The novel endocannabinoid receptor GPR55 is activated by atypical cannabinoids but does not mediate their vasodilator effects". Br. J. Pharmacol. 152 (5): 825–31. doi:10.1038/sj.bjp.0707419. PMC 2190033. PMID 17704827.
^Overton HA, Babbs AJ, Doel SM, Fyfe MC, Gardner LS, Griffin G, Jackson HC, Procter MJ, Rasamison CM, Tang-Christensen M, Widdowson PS, Williams GM, Reynet C (March 2006). "Deorphanization of a G protein-coupled receptor for oleoylethanolamide and its use in the discovery of small-molecule hypophagic agents". Cell Metab. 3 (3): 167–75. doi:10.1016/j.cmet.2006.02.004. PMID 16517404.
^de Fonseca FR, Schneider M (June 2008). "The endogenous cannabinoid system and drug addiction: 20 years after the discovery of the CB1 receptor" (PDF). Addict Biol. 13 (2): 143–6. doi:10.1111/j.1369-1600.2008.00116.x. PMID 18482429. Archived from the original (PDF) on 2011-07-18.
^Brown AJ (November 2007). "Novel cannabinoid receptors". Br. J. Pharmacol. 152 (5): 567–75. doi:10.1038/sj.bjp.0707481. PMC 2190013. PMID 17906678.
^O'Sullivan, SE (June 2016). "An update on PPAR activation by cannabinoids". British Journal of Pharmacology. 173 (12): 1899–910. doi:10.1111/bph.13497. PMC 4882496. PMID 27077495.
^ abDemuth DG, Molleman A (2006). "Cannabinoid signalling". Life Sci. 78 (6): 549–63. doi:10.1016/j.lfs.2005.05.055. PMID 16109430.
^Richardson KA, Hester AK, McLemore GL (2016). "Prenatal cannabis exposure - The "first hit" to the endocannabinoid system". review. Neurotoxicology and Teratology. 58: 5–14. doi:10.1016/j.ntt.2016.08.003. PMID 27567698.
^Calvigioni D, Hurd YL, Harkany T, Keimpema E (October 2014). "Neuronal substrates and functional consequences of prenatal cannabis exposure". review. European Child & Adolescent Psychiatry. 23 (10): 931–41. doi:10.1007/s00787-014-0550-y. PMC 4459494. PMID 24793873.
^Badowski, ME (5 August 2017). "A review of oral cannabinoids and medical marijuana for the treatment of chemotherapy-induced nausea and vomiting: a focus on pharmacokinetic variability and pharmacodynamics". Cancer Chemotherapy and Pharmacology. 80 (3): 441–449. doi:10.1007/s00280-017-3387-5. PMC 5573753. PMID 28780725.
^"Sativex Oromucosal Spray - Summary of Product Characteristics". UK Electronic Medicines Compendium. March 2015.
^ ab"PDSP Database - UNC". Archived from the original on 8 November 2013. Retrieved 11 June 2013.
^Ligresti A, Villano R, Allarà M, Ujváry I, Di Marzo V (August 2012). "Kavalactones and the endocannabinoid system: the plant-derived yangonin is a novel CB₁ receptor ligand". Pharmacological Research. 66 (2): 163–9. doi:10.1016/j.phrs.2012.04.003. PMID 22525682.
^WO patent 200128557, Makriyannis A, Deng H, "Cannabimimetic indole derivatives", granted 2001-06-07
^ abUS patent 7241799, Makriyannis A, Deng H, "Cannabimimetic indole derivatives", granted 2007-07-10
^Frost JM, Dart MJ, Tietje KR, Garrison TR, Grayson GK, Daza AV, El-Kouhen OF, Yao BB, Hsieh GC, Pai M, Zhu CZ, Chandran P, Meyer MD (January 2010). "Indol-3-ylcycloalkyl ketones: effects of N1 substituted indole side chain variations on CB(2) cannabinoid receptor activity". J. Med. Chem. 53 (1): 295–315. doi:10.1021/jm901214q. PMID 19921781.
^ abcAung MM, Griffin G, Huffman JW, Wu M, Keel C, Yang B, Showalter VM, Abood ME, Martin BR (August 2000). "Influence of the N-1 alkyl chain length of cannabimimetic indoles upon CB1 and CB2 receptor binding". Drug Alcohol Depend. 60 (2): 133–40. doi:10.1016/S0376-8716(99)00152-0. PMID 10940540.
External links
Cannabinoid+Receptors at the US National Library of Medicine Medical Subject Headings (MeSH)
The Endocannabinoid System Network (ECSN) - CB1 receptor
"Cannabinoid Receptors". IUPHAR Database of Receptors and Ion Channels. International Union of Basic and Clinical Pharmacology.
v
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Cell surface receptor: G protein-coupled receptors
Class A: Rhodopsin-like
Neurotransmitter
Adrenergic
α1 (A
B
D)
α2 (A
B
C)
β1
β2
β3
Purinergic
Adenosine (A1
A2A
A2B
A3)
P2Y (1
2
4
5
6
8
9
10
11
12
13
14)
Serotonin
(all but 5-HT3) 5-HT1 (A
B
D
E
F)
5-HT2 (A
B
C)
5-HT (4
5A
6
7)
Other
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M3
M4
M5)
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D1
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Cannabinoid (CB1
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55
119))
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1
2
3
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3
4
5
6
7
8)
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Peptide
Neuropeptide
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A
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2
3)
FSH
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2
3)
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2)
Ghrelin
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MAS (1
1L
D
E
F
G
X1
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X3
X4)
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3
4
5)
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1
3
4
5
7
8
9
10
13
14
16
19
20
30
31
38
39
40
41
42
43
45
46
50
60
Vomeronasal receptor type 1
Orphan
GPR (1
3
4
6
12
15
17
18
19
20
21
22
23
25
26
27
31
32
33
34
35
37
39
42
44
45
50
52
55
61
62
63
65
68
75
77
78
81
82
83
84
85
87
88
92
101
103
109A
109B
119
120
132
135
137B
139
141
142
146
148
149
150
151
152
153
160
161
162
171
173
174
176
177
182
183)
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Adrenomedullin
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Opsin (3
4
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2
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Class B: Secretin-like
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7)
Orphan
GPR (56
64
97
98
110
111
112
113
114
115
116
123
124
125
126
128
133
143
144
155
157)
Other
Brain-specific angiogenesis inhibitor (1
2
3)
Cadherin (1
2
3)
Calcitonin
CALCRL
CD97
Corticotropin-releasing hormone (1
2)
EMR (1
2
3)
Glucagon (GR
GIPR
GLP1R
GLP2R)
Growth-hormone-releasing hormone
PACAPR1
GPR
Latrophilin (1
2
3
ELTD1)
Methuselah-like proteins
Parathyroid hormone (1
2)
Secretin
Vasoactive intestinal peptide (1
2)
Class C: Metabotropic glutamate / pheromone
Taste, sweet
TAS1R
1
2
3
Vomeronasal receptor, type 2
Other
Calcium-sensing receptor
GABAB (1
2)
Glutamate receptor (Metabotropic glutamate (1
2
3
4
5
6
7
8))
GPRC6A
GPR (156
158
179)
RAIG (1
2
3
4)
Class F: Frizzled & Smoothened
Frizzled
Frizzled (1
2
3
4
5
6
7
8
9
10)
Smoothened
Smoothened
v
t
e
Cannabinoid receptor modulators
Receptor (ligands)
CB1
Agonists(abridged; see here for more): 2-AG
2-AGE (noladin ether)
11-Hydroxy-THC
α-Amyrin · β-Amyrin
AB-CHMINACA
AM-1172
AM-1220
AM-1221
AM-1235
AM-2201
AM-2232
Anandamide
Arvanil
AZ-11713908
Cannabinol
CB-13
CP 47,497
CP 55,940
Dimethylheptylpyran
DEA
ECG
EGCG
Epicatechin
Gallocatechol (gallocatechin)
Honokiol
HU-210
JWH-007
JWH-015
JWH-018
JWH-073
Kavain
L-759,633
Levonantradol
Menabitan
Nabilone
Nabitan
NADA
O-1812
Oleamide
Pravadoline
Serinolamide A
THC (dronabinol)
UR-144
WIN 55,212-2
Yangonin
Antagonists: AM-251
AM-6545
Cannabidiol
Cannabigerol
Drinabant
Falcarinol (carotatoxin)
Hemopressin
Ibipinabant
LY-320,135
MK-9470
NESS-0327
O-2050
Otenabant
PF-514273
PipISB
Rimonabant
Rosonabant
Surinabant
Taranabant
THCV
TM-38837
VCHSR
Virodhamine
Antibodies: Brizantin (Бризантин)
Dietressa (Диетресса)
Unknown/unsorted: MAFP
CB2
Agonists: 2-AG
2-AGE (noladin ether)
3,3'-Diindolylmethane
4-O-Methylhonokiol
α-Amyrin · β-Amyrin
A-796,260
A-834,735
A-836,339
AM-1172
AM-1221
AM-1235
AM-1241
AM-2232
Anandamide
AZ-11713908
Cannabinol
Caryophyllene
CB-13
CBS-0550
CP 55,940
GW-405,833 (L-768,242)
GW-842,166X
HU-308
JTE 7-31
JWH-007
JWH-015
JWH-018
JWH-73
JWH-133
L-759,633
L-759,656
Lenabasum (anabasum)
Magnolol
MDA-19
Nabitan
NADA
Olorinab (APD-371)
PF-03550096
S-444,823
SER-601
Serinolamide A
UR-144
Tedalinab
THC (dronabinol)
THCV
Tetrahydromagnolol
Virodhamine
Antagonists: 4-O-Methylhonokiol
AM-630
BML-190
Cannabidiol
Honokiol
JTE-907
SR-144,528
WIN 54,461
WIN 56,098
NAGly (GPR18)
Agonists: Abnormal cannabidiol
ACPA
AM251
Anandamide
Cannabidiol
NADGly
THC (dronabinol)
O-1602
Antagonists: CID-85469571
O-1918
GPR55
Agonists: 2-AGE (noladin ether)
2-ALPI
Abnormal cannabidiol
AM-251
CID1011163
CID1252842
CID1792579
CP 55,940
GSK-494581A
Lysophosphatidylinositol
ML-184
ML-185
ML-186
O-1602
Oleoylethanolamide
Palmitoylethanolamide
THC (dronabinol)
Antagonists: Cannabidiol
CID-16020046
ML-191
ML-192
ML-193
O-1918
PSB-SB-487
PSB-SB-1202
PSB-SB-1203
Tetrahydromagnolol
GPR119
Agonists: 2-Oleoylglycerol
Anandamide
APD668
AR-231,453
AS-1269574
MBX-2982
N-Oleoyldopamine
Oleoylethanolamide
Olvanil
PSN-375,963
PSN-632,408
Unsorted
Agonists: Revosimeline
Transporter (modulators)
eCBTs
Inhibitors: 5'-DMH-CBD
AM-404
AM-1172
Arachidonoyl serotonin
Arvanil
Cannabidiol
Guineensine
LY-2183240
O-2093
OMDM-2
Paracetamol (acetaminophen)
SB-FI-26
UCM-707
URB-597
VDM-11
WOBE490
WOBE491
WOBE492
Enzyme (modulators)
FAAH
Inhibitors: 4-Nonylphenylboronic acid
AACOCF3
AM-404
Arachidonoyl serotonin
BIA 10-2474
Biochanin A
Genistein
IDFP
JNJ-1661010
JNJ-42165279
JZL-195
Kaempferol
LY-2183240
MAFP
Palmitoylisopropylamide
Paracetamol (acetaminophen)
PF-3845
PF-04457845
PF-750
SA-47
SA-57
TAK 21d
TC-F 2
UCM710
URB-597
Activators: PDP-EA
MAGL
Inhibitors: ABX-1431
IDFP
JJKK 048
JW 642
JZL-184
JZL-195
JZP-361
KML 29
MAFP
MJN110
NAM
Pristimerin
URB-602
ABHD6
Inhibitors: JZP-169
JZP-430
KT182
KT185
KT195
KT203
LEI-106
ML294
ML295
ML296
UCM710
WWL-70
ABHD12
Inhibitors: Betulinic acid
Maslinic acid
MAFP
Oleanolic acid
Orlistat (tetrahydrolipstatin)
Ursolic acid
Others
Precursors: Phosphatidylethanolamine
NAPE
Diacylglycerol
Others: 2-PG (directly potentiates activity of 2-AG at CB1 receptor)
3. 統合失調症および物質使用障害の併発:疫学、病因、臨床症状、経過、評価および診断 co occurring schizophrenia and substance use disorder epidemiology pathogenesis clinical manifestations course assessment and diagnosis
5. 非アルコール性脂肪性肝疾患の病因 pathogenesis of nonalcoholic fatty liver disease
English Journal
Receptor-heteromer mediated regulation of endocannabinoid signaling in activated microglia. Role of CB1 and CB2 receptors and relevance for Alzheimer's disease and levodopa-induced dyskinesia.
… Previous studies have shown that a cytosine (C) to thymine (T) single nucleotide polymorphism (SNP) of the human cannabinoidreceptor 1 (CNR1) gene is associated with positive emotional processing. …