WIN 55,212-2 is a chemical described as an
aminoalkylindole Aminoalkylindoles (AAIs) are a family of cannabinergic compound that act as a cannabinoid receptor agonist. They were invented by pharmaceutical company Sterling-Winthrop in the early 1990s as potential nonsteroidal anti-inflammatory agents.
Leg ...
derivative, which produces effects similar to those of
cannabinoid
Cannabinoids () are several structural classes of compounds found in the cannabis plant primarily and most animal organisms (although insects lack such receptors) or as synthetic compounds. The most notable cannabinoid is the phytocannabinoid tet ...
s such as
tetrahydrocannabinol
Tetrahydrocannabinol (THC) is the principal psychoactive constituent of cannabis and one of at least 113 total cannabinoids identified on the plant. Although the chemical formula for THC (C21H30O2) describes multiple isomers, the term ''THC' ...
(THC) but has an entirely different
chemical structure
A chemical structure determination includes a chemist's specifying the molecular geometry and, when feasible and necessary, the electronic structure of the target molecule or other solid. Molecular geometry refers to the spatial arrangement of ...
.
WIN 55,212-2 is a potent cannabinoid
receptor agonist
An agonist is a chemical that activates a Receptor (biochemistry), receptor to produce a biological response. Receptors are Cell (biology), cellular proteins whose activation causes the cell to modify what it is currently doing. In contrast, an ...
that has been found to be a potent analgesic in a rat model of neuropathic pain. It activates
p42 and
p44 MAP kinase via receptor-mediated signaling.
At 5 μM WIN 55,212-2 inhibits
ATP production in
sperm in a
CB1 receptor-dependent fashion.
WIN 55,212-2, along with
HU-210
HU-210 is a synthetic cannabinoid that was first synthesized in 1988 from (1R,5S)-myrtenol by a group led by Raphael Mechoulam at the Hebrew University. HU-210 is 100 to 800 times more potent than natural THC from cannabis and has an extended d ...
and
JWH-133, may prevent the inflammation caused by
amyloid beta proteins involved in
Alzheimer's disease, in addition to preventing cognitive impairment and loss of neuronal
markers. This anti-inflammatory action is induced through agonist action at
cannabinoid receptor
Cannabinoid receptors, located throughout the body, are part of the endocannabinoid system a class of cell membrane receptors in the G protein-coupled receptor superfamily. As is typical of G protein-coupled receptors, the cannabinoid recep ...
s, which prevents
microglial activation that elicits the inflammation.
WIN 55,212-2 is a full agonist at the
CB1 cannabinoid receptor (
''K''i = 1.9 nM) and has much higher affinity than
THC
Tetrahydrocannabinol (THC) is the principal psychoactive constituent of cannabis and one of at least 113 total cannabinoids identified on the plant. Although the chemical formula for THC (C21H30O2) describes multiple isomers, the term ''THC' ...
(''K''
i = 41 nM) for this receptor. WIN 55,212-2 is also an agonist of the
PPARα
Peroxisome proliferator-activated receptor alpha (PPAR-α), also known as NR1C1 (nuclear receptor subfamily 1, group C, member 1), is a nuclear receptor protein functioning as a transcription factor that in humans is encoded by the ''PPARA'' gen ...
and
PPARγ
Peroxisome proliferator- activated receptor gamma (PPAR-γ or PPARG), also known as the glitazone reverse insulin resistance
receptor, or NR1C3 (nuclear receptor subfamily 1, group C, member 3) is a type II nuclear receptor functioning as a tran ...
nuclear receptors.
WIN 55,212-2 reduces voluntary wheel running in laboratory mice, but with effects that depend on both genetic background and sex.
In the United States, all CB
1 receptor agonists of the 3-(1-naphthoyl)indole class such as WIN 55,212-2 are
Schedule I Controlled Substance
This is the list of Schedule I drugs as defined by the United States Controlled Substances Act. 21 CFRbr>1308.11(CSA Sched I) with changes through (Oct 18, 2012). Retrieved September 6, 2013. The following findings are required for drugs to be pla ...
s.
WIN 55,212-2 is illegal in the UK.
See also
*
WIN 48,098
Pravadoline (WIN 48,098) is an antinflammatory and analgesic drug with an IC50 of 4.9 μM and a ''K''i of 2511 nM at CB1, related in structure to nonsteroidal anti-inflammatory drugs (NSAIDs) such as indometacin. It was developed in ...
(Pravadoline)
*
WIN 54,461
WIN 54,461 (6-Bromopravadoline) is a drug that acts as a potent and selective inverse agonist for the cannabinoid receptor CB2.
See also
* AM-630 (6-Iodopravadoline)
* WIN 48,098 (Pravadoline)
* WIN 55,212-2
WIN 55,212-2 is a chemical des ...
(6-Bromopravadoline)
*
WIN 55,225
JWH-200 (WIN 55,225) is an analgesic chemical from the aminoalkylindole family that acts as a cannabinoid receptor agonist. Its Dissociation constant, binding affinity, ''K''i at the CB1 receptor is 42 nM, around the same as that of THC, but ...
(JWH-200)
*
WIN 56,098
WIN 56,098 is a chemical that is considered to be an aminoalkylindole derivative. It is a tricyclic aryl derivative that acts as a competitive antagonist at the CB2 cannabinoid receptor. Its activity at CB1 was significantly less effective. WI ...
References
Further reading
*
*
External links
*
{{Transient receptor potential channel modulators
Aminoalkylindoles
4-Morpholinyl compunds
Naphthoylindoles
WIN compounds
CB1 receptor agonists