Frontiers in Physiology,
Journal Year:
2025,
Volume and Issue:
15
Published: Jan. 29, 2025
Introduction
Metabolic-dysfunction-associated
steatosis
liver
disease
(MASLD)
is
a
progressive
from
simple
steatosis,
steatohepatitis,
fibrosis,
cirrhosis,
and
hepatocellular
carcinoma.
Chronic
diseases
(CLDs)
can
lead
to
portal
hypertension,
which
major
cause
of
complications
cirrhosis.
CLDs
structural
alterations
across
the
through
increased
contents
extracellular
matrix
(ECM),
driving
dysfunction
sinusoidal
endothelial
cells
(LSECs)
alongside
hepatic
stellate
(HSCs)
activated
resident
or
infiltrating
immune
cells.
Bioactive
arachidonic
metabolites
have
diverse
roles
in
progression
MASLD.
Both
secreted
levels
20-hydroxyeicosatetraenoic
acid
(20-HETE)
epoxyeicosatrienoic
(EET)
are
elevated
patients
with
Methods
CLD
samples
were
evaluated
for
changes
free
fatty
acids
(FFA),
cholesterol,
bilirubin,
bile
acid,
reactive
oxygen
species
(ROD),
lipid
peroxidation,
myeloperoxidase
activity
hydroxyproline
evaluate
degrees
damage
fibrosis.
To
address
role
CYP4/20-HETE/GPR75
axis,
we
measured
amount
synthesis
20-HETE
CLD,
specifically
during
Additionally,
gene
expression
protein
GPR75,
high-affinity
receptor
patient
samples.
Results
We
observed
an
increase
Increased
correlated
CYP4A11
genes
but
not
CYP4F2.
These
results
confirmed
by
P4504A11
decreased
P4504F2
development
The
20-HETE,
Interestingly,
GPR75
mRNA
steatohepatitis
dramatically
dropped
cirrhosis
then
HCC.
Also,
mirrored
their
levels.
Discussion
indicate
that
subsequent
coordinately
regulated
MASLD
may
multiple
roles,
including
activation
peroxisome
proliferator-activated
α
(PPARα)
either
cell
proliferation
vasoconstriction
hypertension
abrupt
reduction
also
be
due
serving
as
feedback
mechanism
via
,
leading
reduced
expression.
This
work
illustrates
key
correlations
associated
axis
humans.
Journal of Clinical Investigation,
Journal Year:
2024,
Volume and Issue:
134(3)
Published: Feb. 1, 2024
Alcohol-associated
liver
disease
(ALD)
is
a
major
cause
of
chronic
worldwide,
and
comprises
spectrum
several
different
disorders,
including
simple
steatosis,
steatohepatitis,
cirrhosis,
superimposed
hepatocellular
carcinoma.
Although
tremendous
progress
has
been
made
in
the
field
ALD
over
last
20
years,
pathogenesis
remains
obscure,
there
are
currently
no
FDA-approved
drugs
for
treatment
ALD.
In
this
Review,
we
discuss
new
insights
into
therapeutic
targets
ALD,
utilizing
study
multiomics
other
cutting-edge
approaches.
The
potential
translation
these
studies
clinical
practice
therapy
deliberated.
We
also
preclinical
models
interplay
metabolic
dysfunction,
alcohol-associated
cancer,
heterogeneity
some
translational
research
prospects
Cell Metabolism,
Journal Year:
2024,
Volume and Issue:
36(7), P. 1439 - 1455
Published: May 31, 2024
Chronic
liver
diseases,
primarily
metabolic
dysfunction-associated
steatotic
disease
(MASLD),
harmful
use
of
alcohol,
or
viral
hepatitis,
may
result
in
fibrosis,
cirrhosis,
and
cancer.
Hepatic
fibrogenesis
is
a
complex
process
with
interactions
between
different
resident
non-resident
heterogeneous
cell
populations,
ultimately
leading
to
deposition
extracellular
matrix
organ
failure.
Shifts
phenotypes
functions
involve
pronounced
transcriptional
protein
synthesis
changes
that
require
adaptations
cellular
substrate
metabolism,
including
glucose
lipid
resembling
associated
the
Warburg
effect
cancer
cells.
Cell
activation
are
regulated
by
stress
responses,
unfolded
response,
endoplasmic
reticulum
stress,
autophagy,
ferroptosis,
nuclear
receptor
signaling.
These
crucial
for
inflammatory
fibrogenic
macrophages,
lymphoid
cells,
hepatic
stellate
Modulation
these
pathways,
therefore,
offers
opportunities
novel
therapeutic
approaches
halt
even
reverse
fibrosis
progression.
Liver International,
Journal Year:
2024,
Volume and Issue:
44(4), P. 1051 - 1060
Published: Jan. 31, 2024
Abstract
Background
&
Aims
Following
the
classification
of
metabolic
dysfunction‐associated
fatty
liver
disease
(MAFLD),
non‐alcoholic
(NAFLD)
has
recently
been
redefined
again
as
steatotic
(MASLD).
However,
distinctions
in
characteristics
and
mortality
outcomes
between
NAFLD,
MAFLD
MASLD
remain
unclear.
Methods
We
analysed
data
from
7519
participants
third
National
Health
Nutrition
Examination
Surveys
United
States
(US)
their
linked
until
2019.
Survey
weight‐adjusted
multivariable
Cox
proportional
model
was
used
to
study
over
three
terms.
Results
The
prevalence
18.5%,
19.3%
20.8%,
respectively.
Most
individuals
with
NAFLD
(94.5%)
or
(100%)
can
be
classified
MASLD,
while
a
relatively
low
percentage
those
were
also
diagnosed
either
(84.1%)
(92.7%).
During
median
follow‐up
26.9
years,
both
associated
increased
risk
all‐cause
(adjusted
hazard
ratio
[aHR]
1.18,
95%
CI
1.04–1.33
1.19,
1.06–1.34,
respectively),
this
association
mainly
observed
NAFLD−/MASLD+
subgroups.
not
mortality.
all
terms
an
advanced
fibrosis
(aHR:
1.71–1.81).
Subgroup
analyses
showed
that
higher
for
among
older
adults
(≥65
year),
non‐Hispanic
whites
without
diabetes.
Conclusions
Both
MALFD
risk,
but
identified
greater
number
compared
MAFLD.
Cellular and Molecular Life Sciences,
Journal Year:
2024,
Volume and Issue:
81(1)
Published: Jan. 12, 2024
Abstract
This
review
provides
an
update
on
recent
findings
from
basic,
translational,
and
clinical
studies
the
molecular
mechanisms
of
mitochondrial
dysfunction
apoptosis
hepatocytes
in
multiple
liver
diseases,
including
but
not
limited
to
alcohol-associated
disease
(ALD),
metabolic
dysfunction-associated
steatotic
(MASLD),
drug-induced
injury
(DILI).
While
ethanol-inducible
cytochrome
P450-2E1
(CYP2E1)
is
mainly
responsible
for
oxidizing
binge
alcohol
via
microsomal
ethanol
system,
it
also
metabolizing
many
xenobiotics,
pollutants,
chemicals,
drugs,
specific
diets
abundant
n-6
fatty
acids,
into
toxic
metabolites
organs,
liver,
causing
pathological
insults
through
organelles
such
as
mitochondria
endoplasmic
reticula.
Oxidative
imbalances
(oxidative
stress)
promote
covalent
modifications
lipids,
proteins,
nucleic
acids
enzymatic
non-enzymatic
mechanisms.
Excessive
changes
stimulate
various
post-translational
(PTMs)
transcription
factors,
histones.
Increased
PTMs
proteins
inactivate
enzymes
involved
reduction
oxidative
species,
acid
metabolism,
mitophagy
pathways,
leading
dysfunction,
energy
depletion,
apoptosis.
Unique
other
organelles,
control
signaling
cascades
bioenergetics
(fat
metabolism),
inflammation,
apoptosis/necrosis
hepatocytes.
When
homeostasis
shifted,
these
pathways
become
altered
or
shut
down,
likely
contributing
death
with
activation
inflammation
hepatic
stellate
cells,
fibrosis
cirrhosis.
will
encapsulate
how
contributes
hepatocyte
several
types
diseases
order
provide
recommendations
targeted
therapeutics.
Biomedicines,
Journal Year:
2024,
Volume and Issue:
12(7), P. 1467 - 1467
Published: July 2, 2024
Cytochrome
P450
(CYP450)
is
a
group
of
enzymes
that
play
an
essential
role
in
Phase
I
metabolism,
with
57
functional
genes
classified
into
18
families
the
human
genome,
which
CYP1,
CYP2,
and
CYP3
are
prominent.
Beyond
drug
CYP
metabolize
endogenous
compounds
such
as
lipids,
proteins,
hormones
to
maintain
physiological
homeostasis.
Thus,
dysregulation
CYP450
can
lead
different
endocrine
disorders.
Moreover,
significantly
contribute
fatty
acid
cholesterol
synthesis,
bile
biosynthesis,
impacting
cellular
physiology
disease
pathogenesis.
Their
diverse
functions
emphasize
their
therapeutic
potential
managing
hypercholesterolemia
neurodegenerative
diseases.
Additionally,
implicated
onset
development
illnesses
cancer,
influencing
chemotherapy
outcomes.
Assessment
enzyme
expression
activity
aids
evaluating
liver
health
state
differentiating
between
diseases,
guiding
decisions,
optimizing
efficacy.
Understanding
roles
clinical
effect
genetic
polymorphisms
crucial
for
developing
personalized
strategies
enhancing
responses
patient
populations.