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2017 ; 7
(1
): 10748
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gab.com Text
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English Wikipedia
Association of the resolvin precursor 17-HDHA, but not D- or E- series resolvins,
with heat pain sensitivity and osteoarthritis pain in humans
#MMPMID28883634
Valdes AM
; Ravipati S
; Menni C
; Abhishek A
; Metrustry S
; Harris J
; Nessa A
; Williams FMK
; Spector TD
; Doherty M
; Chapman V
; Barrett DA
Sci Rep
2017[Sep]; 7
(1
): 10748
PMID28883634
show ga
Resolvins are omega-3 fatty acid derived potent bioactive lipids that resolve
inflammation and modulate transient receptor potential channels. Exogenous
administration of the resolvin precursor 17-HDHA shows a strong analgesic effect
in animal models of osteoarthritis and acute inflammatory pain, but has not been
studied in humans. Our aim was to assess the role of 17-HDHA and resolvins in
heat pain sensitivity and in osteoarthritis pain in humans. Resolvins D1, D2, D3,
D5, E1 and 17-HDHA, were measured by liquid chromatography-mass spectrometry and
tested for association with heat pain thresholds in 250 healthy volunteers who
had undergone quantitative sensory testing. Resolvins D1, D2 and 17-HDHA were
then tested in 62 individuals affected with knee osteoarthritis and 52 age
matched controls and tested for association with knee pain. Circulating levels of
docosahexaenoic acid (DHA) were also measured. Levels of 17-HDHA, but not those
of the other 5 resolvins tested, were associated with increased heat pain
thresholds (beta?=?0.075; 95% CI 0.024, 0.126; p?0.0046). 17-HDHA was
associated with lower pain scores in OA patients (beta -0.41; 95% CI-0.69, -0.12;
p?0.005; adjusted for covariates) but not with radiographic osteoarthritis. The
associations of 17-HDHA with heat pain sensitivity and osteoarthritis pain were
independent of DHA levels.