Δ9-tetrahydrocannabinol and its major metabolite Δ9-tetrahydrocannabinol-11-oic acid as 15-lipoxygenase inhibitors.

Abstract:

:15-Lipoxygenase (15-LOX) is one of the key enzymes responsible for the formation of oxidized low-density lipoprotein, a major causal factor for atherosclerosis. Δ(9)-Tetrahydrocannabinol (Δ(9)-THC), a major component of marijuana, has suggested to suppress atherosclerosis. Although Δ(9)-THC seems to be attractive for the prevention of atherosclerosis, there is no information about whether or not 15-LOX isoform can be inhibited by Δ(9)-THC. In the present study, Δ(9)-THC was found to be a direct inhibitor for 15-LOX with an IC(50) (50% inhibition concentration) value of 2.42 μM. Furthermore, Δ(9)-THC-11-oic acid, a major and nonpsychoactive metabolite of Δ(9) -THC, but not another Δ(9)-THC metabolite 11-OH-Δ(9)-THC (psychoactive), was revealed to inhibit 15-LOX. Taken together, it is suggested that Δ(9) -THC can abrogate atherosclerosis via direct inhibition of 15-LOX, and that Δ(9)-THC-11-oic acid is shown to be an "active metabolite" of Δ(9) -THC in this case.

journal_name

J Pharm Sci

authors

Takeda S,Jiang R,Aramaki H,Imoto M,Toda A,Eyanagi R,Amamoto T,Yamamoto I,Watanabe K

doi

10.1002/jps.22354

subject

Has Abstract

pub_date

2011-03-01 00:00:00

pages

1206-11

issue

3

eissn

0022-3549

issn

1520-6017

pii

S0022-3549(15)32268-1

journal_volume

100

pub_type

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