Clinical Immunology,
Journal Year:
2023,
Volume and Issue:
257, P. 109850 - 109850
Published: Nov. 25, 2023
Rheumatoid
arthritis
(RA)
is
an
autoimmune
disease
characterized
by
enigmatic
pathogenesis.
Polyunsaturated
fatty
acids
(PUFAs)
are
implicated
in
RA's
development
and
progression,
yet
their
exact
mechanisms
of
influence
not
fully
understood.
Soluble
epoxide
hydrolase
(sEH)
enzyme
that
metabolizes
anti-inflammatory
epoxy
(EpFAs),
derivatives
PUFAs.
In
this
study,
we
report
elevated
sEH
expression
the
joints
CIA
(collagen-induced
arthritis)
rats,
concomitant
with
diminished
levels
two
significant
EpFAs.
Additionally,
increased
was
detected
both
synovium
rats
fibroblast-like
synoviocytes
(FLS)
RA
patients.
The
inhibitor
TPPU
attenuated
migration
invasion
capabilities
FLS
derived
from
patients
to
reduce
secretion
inflammatory
factors
these
cells.
Our
findings
indicate
a
pivotal
role
for
pathogenesis
suggest
inhibitors
offer
promising
new
therapeutic
strategy
managing
RA.
Depression and Anxiety,
Journal Year:
2025,
Volume and Issue:
2025(1)
Published: Jan. 1, 2025
Background:
Major
depressive
disorder
(MDD)
is
a
leading
cause
of
disability
worldwide.
The
pathophysiology
MDD
remains
unclear,
which
limits
the
development
treatments
for
MDD.
Recently,
epoxide
hydrolase
2
(EPHX2)
has
been
found
to
be
associated
with
Our
previous
study
revealed
an
association
between
EPHX2
expression
and
suicide.
However,
effect
on
prognosis
suicide
unclear.
Previous
studies
have
that
impulsivity
at
baseline
can
significant
predictor
clinical
improvement
in
patients
Therefore,
we
inferred
could
treatment
MDD,
mediate
Methods:
This
naturalistic
prospective
included
117
participants
who
were
assessed,
using
questionnaires,
cognitive
function,
information,
baseline,
weeks,
1,
2,
3
months.
A
linear
mixed‐effects
model
was
used
investigate
longitudinal
changes
severity
symptoms,
risk
suicide,
function.
Results:
interactive
effects
polymorphisms
(measured
by
Columbia‐Suicide
Severity
Rating
Scale)
significantly
different
rs11288636,
rs68012435,
rs11288636.
time
depression
Hamilton
Depression
Scale‐24)
including
after
adjustment
total
score.
Conclusions:
suggests
are
critical
factor
change
among
genotypes.
Trial
Registration:
ClinicalTrials.gov
identifier:
NCT05575713
Frontiers in Pharmacology,
Journal Year:
2024,
Volume and Issue:
15
Published: April 2, 2024
Arachidonic
acid
(AA)
has
three
main
metabolic
pathways:
the
cycloxygenases
(COXs)
pathway,
lipoxygenases
(LOXs)
and
cytochrome
P450s
(CYPs)
pathway.
AA
produces
epoxyeicosatrienoic
acids
(EETs)
through
CYPs
EETs
are
very
unstable
in
vivo
can
be
degraded
seconds
to
minutes.
have
multiple
degradation
pathways,
but
mainly
presence
of
soluble
epoxide
hydrolase
(sEH).
sEH
is
an
enzyme
bifunctional
nature,
current
research
focuses
on
activity
its
C-terminal
(sEH-H),
which
hydrolyzes
corresponding
inactive
or
low
diol.
Previous
studies
reported
that
cardiovascular
protective
effects,
sEH-H
plays
a
role
by
degrading
inhibiting
their
effects.
The
different
cells,
such
as
endothelial
cell
proliferation
migration,
promoting
vascular
smooth
muscle
migration.
Therefore,
it
interest
whether
involved
initiation
progression
diseases
affecting
function
cells
EETs.
Marine Drugs,
Journal Year:
2024,
Volume and Issue:
22(8), P. 373 - 373
Published: Aug. 17, 2024
Soluble
epoxide
hydrolase
(sEH)
is
essential
for
converting
epoxy
fatty
acids,
such
as
epoxyeicosatrienoic
acids
(EETs),
into
their
dihydroxy
forms.
EETs
play
a
crucial
role
in
regulating
blood
pressure,
mediating
anti-inflammatory
responses,
and
modulating
pain,
making
sEH
key
target
therapeutic
interventions.
Current
research
increasingly
focused
on
identifying
inhibitors
from
natural
sources,
particularly
marine
environments,
which
are
rich
bioactive
compounds
due
to
unique
metabolic
adaptations.
In
this
study,
the
inhibitory
activities
of
ten
cembranoid
diterpenes
(1–10)
isolated
soft
coral
Sinularia
maxima
were
evaluated.
Among
them,
3
9
exhibited
considerable
inhibition,
with
IC50
values
70.68
μM
78.83
μM,
respectively.
Enzyme
kinetics
analysis
revealed
that
these
two
active
inhibit
through
non-competitive
mode.
Additionally,
silico
approaches,
including
molecular
docking
dynamics
simulations,
confirmed
stability
interactions
sEH,
highlighting
potential
agents
managing
cardiovascular
inflammatory
diseases.
Immunity Inflammation and Disease,
Journal Year:
2022,
Volume and Issue:
10(11)
Published: Oct. 11, 2022
Abstract
Introduction
n‐3
polyunsaturated
fatty
acids
(PUFAs)
are
believed
to
be
implicated
in
the
pathogenesis
of
many
inflammation‐related
diseases,
including
depression.
Methods
The
mouse
model
depression
was
established
through
chronic
unpredictable
mild
stress
(CUMS),
mice
were
intervened
with
PUFAs,
and
then
expression
toll‐like
receptor
4
(TLR4)
stimulated
lipopolysaccharides
(LPS).
Tail
suspension
test
(TST),
forced
swimming
(FST)
sucrose
preference
performed
monitor
behavior
mice.
Microglia
activation
detected
by
Iba1
immunofluorescence,
neuronal
injury
Nissl
staining.
Concentrations
tumor
necrosis
factor
(TNF)‐α,
Interleukin
(IL)‐6
IL‐1β
hippocampus
assessed
via
enzyme
linked
immunosorbent
assay
(ELISA).
Quantitative
real
time
polymerase
chain
reaction
used
detect
IL‐6,
TNF‐α
messenger
RNA
levels.
Western
blot
utilized
for
detection
TLR4
protein
expression.
Results
CUMS
significantly
reduced
mice,
while
increased
immobility
FST
TST.
Moreover,
aggravated
microglia
damage
levels
hippocampal
tissues,
however,
intervention
PUFAs
could
improve
above
effects.
Further,
induced
LPS
partially
reversed
inhibition
on
depression‐like
behaviors,
microglial
inflammatory
neurons.
Conclusion
may
ameliorate
behaviors
reducing
neuroinflammation
CUMS‐induced
regulating
expression,
suggesting
that
an
effective
antidepressant,
which
provides
evidence
future
treatment
Biomedicines,
Journal Year:
2022,
Volume and Issue:
10(8), P. 1945 - 1945
Published: Aug. 11, 2022
More
than
100
protostane
triterpenoids
have
been
isolated
from
the
dried
rhizomes
of
Alisma
species,
designated
Alismatis
rhizoma
(AR),
commonly
used
in
Asian
traditional
medicine
to
treat
inflammatory
and
vascular
diseases.
The
main
products
are
alisols,
with
lead
compounds
alisol-A/-B
their
acetate
derivatives
being
most
abundant
plant
best-known
bioactive
products.
pharmacological
effects
Ali-A,
Ali-A
24-acetate,
Ali-B,
Ali-B
23-acetate,
analyzed
provide
an
overview
medicinal
properties,
signaling
pathways,
molecular
targets
at
origin
those
activities.
Diverse
protein
proposed
for
these
natural
products,
including
farnesoid
X
receptor,
soluble
epoxide
hydrolase,
other
enzymes
(AMPK,
HCE-2)
functional
proteins
(YAP,
LXR)
anti-atherosclerosis,
anti-inflammatory,
antioxidant,
anti-fibrotic,
anti-proliferative
Activities
were
classified
two
groups.
lipid-lowering
anti-atherosclerosis
benefit
robust
vitro
vivo
data
(group
1).
anticancer
alisols
largely
reported,
but,
essentially,
studies
using
tumor
cell
lines
solid
lacking
2).
survey
shed
light
on
properties
alisol
frequently
found
phytomedicines.