bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: April 17, 2024
Abstract
Metabolic
dysfunction-associated
steatotic
liver
disease
(MASLD)
is
a
chronic,
progressive
that
encompasses
spectrum
of
steatosis,
steatohepatitis
(or
MASH),
and
fibrosis.
Evidence
suggests
dietary
restriction
(DR)
sleeve
gastrectomy
(SG)
can
lead
to
remission
hepatic
steatosis
inflammation
through
weight
loss,
but
it
unclear
whether
these
procedures
induce
distinct
metabolic
or
immunological
changes
in
MASLD
livers.
This
study
aims
elucidate
the
intricate
following
DR,
SG
sham
surgery
rats
fed
high-fat
diet
as
model
obesity-related
MASLD,
comparison
clinical
cohort
patients
undergoing
SG.
Single-cell
single-nuclei
transcriptome
analysis,
spatial
metabolomics,
immunohistochemistry
revealed
landscape,
while
circulating
biomarkers
were
measured
serum
samples.
Artificial
intelligence
(AI)-assisted
image
analysis
characterized
distribution
hepatocytes,
myeloid
cells
lymphocytes.
In
experimental
rats,
improved
BMI,
injury
triglyceride
levels.
Both
DR
attenuated
fibrosis
rats.
Metabolism-related
genes
(
Ppara
,
Cyp2e1
Cyp7a1
)
upregulated
hepatocytes
upon
SG,
broadly
lipid
metabolism
on
cholangiocytes,
monocytes,
macrophages,
neutrophils.
Furthermore,
promoted
cell
accumulation
not
only
ameliorating
activating
repair
processes.
Regions
with
potent
infiltration
marked
enhanced
capacities
Additionally,
disruption
periportal
hepatocyte
functions
was
observed
DR.
conclusion,
this
indicates
dynamic
cellular
crosstalk
livers
Notably,
PPARα-
gut-liver
axis-related
processes,
metabolically-active
indicate
intervention-related
mechanisms
supporting
for
treatment
MASLD.
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(9), P. 4077 - 4077
Published: April 25, 2025
The
recent
introduction
of
the
term
metabolic-dysfunction-associated
steatotic
liver
disease
(MASLD)
has
highlighted
critical
role
metabolism
in
disease’s
pathophysiology.
This
innovative
nomenclature
signifies
a
shift
from
previous
designation
non-alcoholic
fatty
(NAFLD),
emphasizing
condition’s
progressive
nature.
Simultaneously,
MASLD
become
one
most
prevalent
diseases
worldwide,
highlighting
urgent
need
for
research
to
elucidate
its
etiology
and
develop
effective
treatment
strategies.
review
examines
delineates
revised
definition
MASLD,
exploring
epidemiology
pathological
changes
occurring
at
various
stages
disease.
Additionally,
it
identifies
metabolically
relevant
targets
within
provides
summary
latest
targeted
drugs
under
development,
including
those
clinical
some
preclinical
stages.
finishes
with
look
ahead
future
therapy
goal
summarizing
providing
fresh
ideas
insights.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(13), P. 6938 - 6938
Published: June 25, 2024
Metabolic
dysfunction-associated
steatotic
liver
disease
(MASLD)
involves
excessive
lipid
accumulation
in
hepatocytes,
impacting
global
healthcare
due
to
its
high
prevalence
and
risk
of
progression
severe
conditions.
Its
pathogenesis
genetic,
metabolic,
inflammatory
factors,
with
cardiovascular
events
as
the
leading
cause
mortality.
This
review
examines
role
lipid-lowering
therapies
MASLD,
a
particular
focus
on
bempedoic
acid,
recently
approved
cholesterol-lowering
agent
for
hypercholesterolemia
cardiovascular-risk
patients.
It
explores
potential
by
modulating
metabolism
pathways
based
most
recent
studies
available.
Bempedoic
acid
inhibits
ATP-citrate
lyase,
reducing
cholesterol
fatty
synthesis
while
activating
AMP-activated
protein
kinase
suppress
gluconeogenesis
lipogenesis.
Animal
indicate
efficacy
hepatic
steatosis,
inflammation,
fibrosis.
holds
promise
therapeutic
offering
dual
benefits
inflammation.
Further
clinical
trials
are
required
confirm
safety
MASLD
patients,
potentially
addressing
multifaceted
nature
this
disease.
Advanced Science,
Journal Year:
2024,
Volume and Issue:
12(2)
Published: Nov. 19, 2024
Abstract
Build‐up
of
free
cholesterol
(FC)
substantially
contributes
to
the
development
and
severity
non‐alcoholic
fatty
liver
disease
(NAFLD).
Here,
we
investigate
specific
mechanism
by
which
FC
induces
injury
in
NAFLD
propose
a
novel
therapeutic
approach
using
dihydrotanshinone
I
(DhT).
Rather
than
ester
(CE),
observed
elevated
levels
total
cholesterol,
FC,
alanine
transaminase
(ALT)
patients
high‐cholesterol
diet‐induced
mice
compared
those
healthy
controls.
The
level
demonstrated
positive
correlation
with
ALT
both
mice.
Mechanistic
studies
revealed
that
reactive
oxygen
species
level,
impaired
function
lysosomes,
disrupted
lipophagy
process,
consequently
inducing
cell
apoptosis.
We
then
found
DhT
protected
on
an
HCD
diet,
independent
gut
microbiota.
functioned
as
potent
ligand
for
peroxisome
proliferator‐activated
receptor
α
(PPARα),
stimulating
its
transcriptional
enhancing
catalase
expression
lower
(ROS)
level.
Notably,
protective
effect
was
nullified
hepatic
PPARα
knockdown.
Thus,
these
findings
are
first
report
detrimental
role
NAFLD,
could
lead
new
treatment
strategies
leveraging
potential
pathway.
Frontiers in Pharmacology,
Journal Year:
2023,
Volume and Issue:
14
Published: Nov. 2, 2023
Virtual
small
molecule
libraries
are
valuable
resources
for
identifying
bioactive
compounds
in
virtual
screening
campaigns
and
improving
the
quality
of
terms
physicochemical
properties,
complexity,
structural
diversity.
In
this
context,
computational-aided
design
focused
against
antidiabetic
targets
can
provide
novel
alternatives
treating
type
II
diabetes
mellitus
(T2DM).
work,
we
integrated
information
generated
to
date
on
with
activity,
advances
computational
methods,
knowledge
chemical
transformations
available
literature
multi-target
compound
T2DM.
We
evaluated
novelty
diversity
newly
library
by
comparing
it
approved
clinical
use,
natural
products,
tested
vivo
experimental
models.
The
designed
freely
a
starting
point
drug
design,
synthesis,
biological
evaluation
or
further
filtering.
Also,
compendium
280
transformation
rules
identified
medicinal
chemistry
context
is
made
linear
notation
SMIRKS
use
other
enumeration
hit
optimization
approaches.
Pentadecanoic
acid
(C15:0)
is
an
essential
odd-chain
saturated
fatty
with
broad
activities
relevant
to
protecting
cardiometabolic,
immune,
and
liver
health.
C15:0
activates
AMPK
inhibits
mTOR,
both
of
which
are
core
components
the
human
longevity
pathway.
To
assess
potential
for
enhance
processes
associated
healthspan,
we
used
cell-based
molecular
phenotyping
assays
compare
three
longevity-enhancing
candidates:
acarbose,
metformin,
rapamycin.
(n=36
in
10
12
cell
systems)
rapamycin
(n=32
had
most
clinically
relevant,
dose-dependent
activities.
At
their
optimal
doses,
(17
µM)
(9
shared
24
across
systems,
including
anti-inflammatory
(e.g.,
lowered
MCP-1,
TNFɑ,
IL-10,
IL-17A/F),
antifibrotic,
anticancer
activities,
further
supported
by
previously
published
vitro
vivo
studies.
Paired
prior
demonstrated
abilities
target
pathways,
hallmarks
aging,
aging
rate
biomarkers,
type
2
diabetes,
heart
disease,
cancer,
nonalcoholic
our
results
support
as
nutrient
equivalent
to,
or
surpassing,
leading
candidate
compounds.
Frontiers in Toxicology,
Journal Year:
2024,
Volume and Issue:
6
Published: March 21, 2024
Perfluorooctanoic
acid
(PFOA)
is
a
persistent
environmental
contaminant
that
can
accumulate
in
the
human
body
due
to
its
long
half-life.
This
substance
has
been
associated
with
liver,
pancreatic,
testicular
and
breast
cancers,
liver
steatosis
endocrine
disruption.
PFOA
member
of
large
group
substances
also
known
as
“forever
chemicals”
vast
majority
this
lack
toxicological
data
would
enable
their
effective
risk
assessment
terms
health
hazards.
study
aimed
derive
health-based
guidance
value
for
intake
(ng/kg
BW/day)
from
vitro
transcriptomics
data.
To
end,
we
developed
an
silico
workflow
comprising
five
components:
(i)
sourcing
hepatic
concentration-response
data;
(ii)
deriving
molecular
points
departure
using
BMDExpress3
performing
pathway
analysis
gene
set
enrichment
(GSEA)
identify
most
sensitive
pathways
exposure;
(iii)
estimating
freely-dissolved
concentrations
mass
balance
model;
(iv)
vivo
doses
by
reverse
dosimetry
PBK
model
part
quantitative
extrapolation
(QIVIVE)
algorithm;
(v)
calculating
tolerable
daily
(TDI)
PFOA.
Fourteen
percent
interrogated
genes
exhibited
relationships.
GSEA
revealed
“fatty
metabolism”
was
exposure.
In
free
were
calculated
be
2.9%
nominal
applied
concentrations,
these
input
into
QIVIVE
workflow.
Exposure
virtual
population
3,000
individuals
estimated,
which
TDI
0.15
ng/kg
BW/day
benchmark
dose
modelling
software,
PROAST.
comparable
previously
published
values
1.16,
0.69,
0.86
European
Food
Safety
Authority.
conclusion,
demonstrates
combined
utility
“omics”-derived
point
setting
anticipation
acceptance
measurements
chemical
assessment.
Biomedicine & Pharmacotherapy,
Journal Year:
2024,
Volume and Issue:
174, P. 116594 - 116594
Published: April 13, 2024
Cholestatic
liver
disease
(CLD)
is
a
range
of
conditions
caused
by
the
accumulation
bile
acids
(BAs)
or
disruptions
in
flow,
which
can
harm
and
ducts.
To
investigate
its
pathogenesis
treatment,
it
essential
to
establish
assess
experimental
models
cholestasis,
have
significant
clinical
value.
However,
owing
complex
single
modelling
method
merely
reflect
one
few
pathological
mechanisms,
each
has
adaptability
limitations.
We
summarize
existing
including
animal
models,
gene-knockout
cell
organoid
models.
also
describe
main
types
cholestatic
simulated
clinically.
This
review
provides
an
overview
targeted
therapy
used
for
treating
cholestasis
based
on
current
research
status
In
addition,
we
discuss
respective
advantages
disadvantages
different
help
that
resemble
conditions.
sum,
this
not
only
outlines
with
but
projects
prospects
thereby
bridging
basic
practical
therapeutic
applications.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(8), P. 4467 - 4467
Published: April 18, 2024
The
metabolic
and
immune
systems
are
complex
networks
of
organs,
cells,
proteins
that
involved
in
the
extraction
energy
from
food;
this
is
to
run
cellular
processes
defend
body
against
infections
while
protecting
its
own
tissues,
respectively
[...].
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(10), P. 5216 - 5216
Published: May 10, 2024
A
robust
predictive
model
was
developed
using
136
novel
peroxisome
proliferator-activated
receptor
delta
(PPARδ)
agonists,
a
distinct
subtype
of
lipid-activated
transcription
factors
the
nuclear
superfamily
that
regulate
target
genes
by
binding
to
characteristic
sequences
DNA
bases.
The
employs
various
structural
descriptors
and
docking
calculations
provides
predictions
biological
activity
PPARδ
following
criteria
Organization
for
Economic
Co-operation
Development
(OECD)
development
validation
quantitative
structure–activity
relationship
(QSAR)
models.
Specifically
focused
on
small
molecules,
facilitates
identification
highly
potent
selective
agonists
offers
read-across
concept
providing
chemical
neighbours
compound
under
study.
process
conducted
Isalos
Analytics
Software
(v.
0.1.17)
which
an
intuitive
environment
machine-learning
applications.
final
released
as
user-friendly
web
tool
can
be
accessed
through
Enalos
Cloud
platform’s
graphical
user
interface
(GUI).