International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(22), P. 12256 - 12256
Published: Nov. 14, 2024
We
investigated
the
effect
of
purified
withanolides
and
extracts
derived
from
Ashwagandha
on
steatosis,
abnormal
accumulation
fat
that
can
lead
to
non-alcoholic
fatty
liver
disease
(NAFLD).
Collaborator
ARF
(CARF,
also
known
as
CDKN2AIP,
a
protein
regulates
hepatic
lipid
metabolism,
buildup,
damage)
was
used
an
indicator.
Six
(Withaferin
A,
Withanone,
Withanolide
B,
Withanoside
IV,
V,
Withanostraminolide-12
deoxy)
reversed
decrease
in
CARF
caused
by
exposure
free
acids
(FFAs)
liver-derived
cells
(HepG2
hepatocytes).
After
analyzing
effects
these
mRNA
levels,
FFA
accumulation,
aggregation,
oxidative
DNA
damage
stresses,
we
selected
Withaferin
A
Withanone
for
molecular
analyses.
Using
palmitic-acid-induced
acid
stress
model
Huh7
cells,
found
significant
reduction
activity
key
regulators
lipogenesis
pathways,
including
sterol
regulatory
element-binding
protein-1c
(SREBP-1c),
synthase
(FASN),
peroxisome
proliferator-activated
receptors
(PPARγ
PPARα).
This
vitro
study
suggests
low,
non-toxic
doses
or
containing
possess
anti-steatosis
antioxidative-stress
properties.
Further
vivo
clinical
studies
are
required
investigate
therapeutic
potential
Ashwagandha-derived
bioactive
ingredients
NAFLD.
Frontiers in Pharmacology,
Journal Year:
2025,
Volume and Issue:
15
Published: Jan. 30, 2025
Background
Polygonum
cyrtonema
Hua
is
a
kind
of
traditional
Chinese
botanic
drug.
Modern
pharmacological
research
has
confirmed
that
able
to
alleviate
nonalcoholic
fatty
liver
disease,
but
the
precise
mechanism
requires
further
investigation.
This
study
investigated
protective
effects
and
underlying
mechanisms
Polygonatum
ethanol
extract
(PCE)
against
Non-alcoholic
steatohepatitis
(NASH)
in
mice.
Methods
UHPLC-MS/MS
was
utilized
analyze
metabolites
PCE.
The
NASH
mouse
model
establishment
C57BL/6J
mice
via
high-fat
diet
(HFD)
feeding
for
12
weeks,
from
9th
week,
were
gavaged
with
PCE
(100,
300,
900
mg/kg/day),
simvastatin
(4
mg/kg)
or
saline.
One
hand,
injury
assessed
by
serum
enzymes,
biochemistry,
histopathology;
On
other
RNA-seq,
qPCR,
Western
blot
employed
investigate
related
molecular
mechanisms.
Results
211
identified
through
analysis.
ameliorated
HFD
induced
improved
hepatocellular
degeneration
steatosis
dose-dependent
way.
restored
expression
AMPK,
SIRT1,
SREBP1
PPAR-α
both
mRNA
protein
levels.
RNAseq
unique
gene
profiles
response
compared
treatments.
HFD-induced
DEGs
attenuated
abolished
following
Ingenuity
pathway
analysis
RNA-seq
data
revealed
key
canonical
pathways
upstream
molecules
regulated
Conclusion
Our
findings
confirm
ability
alleviating
underscores
AMPK/SIRT1
as
potential
theraputic
target
treatment.
Acta Biochimica et Biophysica Sinica,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 1, 2025
Cadmium
(Cd)
is
a
high-risk
heavy
metal
that
induces
oxidative
stress,
endoplasmic
reticulum
(ER)
stress
and
inflammation,
damaging
organs
such
as
the
liver.
Puerarin
(PUE)
has
been
shown
to
treat
liver
injury
especially
prevent
Cd-induced
hepatic
damage
via
its
antioxidant
activity.
Sirtuin
1
(SIRT1),
histone
deacetylase,
key
protector
against
various
insults.
However,
role
in
protection
of
PUE
not
clarified.
Thus,
this
study
designed
elucidate
molecular
mechanism
human
hepatoma
cell
line
HepG2.
The
results
first
reveal
apoptosis
significantly
restored
by
pretreatment,
confirmed
CCK-8,
flow
cytometric,
Hoechst
33258
TUNEL
assays.
Mechanistically,
decreases
ROS
production
increases
SOD
levels
Cd-treated
HepG2
cells.
Moreover,
pretreatment
alleviates
ER
inhibiting
PERK-eIF2α-ATF4-CHOP
axis
subsequently
partially
restores
function
revealed
decreased
Ca2+
release
from
ER.
In
addition,
further
demonstrates
upregulates
SIRT1
expression,
which
suppresses
PERK
signaling
cascade
reduces
CHOP
levels.
Collectively,
our
demonstrate
protects
cells
at
least
pathway
expression-dependent
manner.
appears
have
great
potential
hepatoprotective
agent.
EBioMedicine,
Journal Year:
2025,
Volume and Issue:
unknown, P. 105590 - 105590
Published: March 1, 2025
SummaryBackgroundMaternal
smoking
and
foetal
exposure
to
nicotine
other
harmful
chemicals
in
utero
remains
a
serious
public
health
issue
with
little
knowledge
about
the
underlying
genetics
consequences
of
maternal
ageing
individuals.
Here,
we
investigated
epidemiology
genomic
architecture
middle-aged
population
compare
results
effects
observed
developing
foetus.MethodsIn
current
project,
included
351,562
participants
from
UK
Biobank
(UKB)
estimated
status
during
pregnancy
through
self-reporting
UKB
mother's
around
their
birth.
In
addition,
analysed
64
liver
transcriptomic
expression
datasets
collected
women
seeking
elective
terminations.
Foetal
was
confirmed
measurement
plasma
cotinine
levels.FindingsFoetal
had
greater
impact
on
males
than
females,
more
differentially
expressed
genes
tissue
(3313
vs.
1163)
higher
pathway
activation.
UKB,
linked
an
unhealthy
lifestyle,
lower
education,
damage.
genome-wide
analysis
leveraged
shared
genetic
basis
between
affected
offspring
mothers
identified
five
significant
regions.
We
found
low
heritability
trait
(∼4%)
implicated
several
disease-related
transcriptome-wide
association
study.
Maternal
increased
all-cause
mortality
risk
(Hazard
ratio
95%
CI:
1.10
[1.04;
1.16],
P
=
4.04
×
10−4),
which
attenuated
non-smoking
males.InterpretationAlthough
male
foetuses
are
females
by
pregnancy,
this
effect
largely
reduced
Importantly,
our
highlight
that
overall
10%
due
greatly
non-smokers.
This
study
demonstrates
importance
campaigns
promoting
prevention
families
where
parent(s)
smoke.FundingFunding
for
project
provided
University
Aberdeen,
Science
Initiative
Panel
Institute
Medical
Science,
Research
Council,
Seventh
Framework
Programme
European
Union
under
Grant
Agreement
212885
(REEF)
NHS
Grampian
Endowments
grants.
Cells,
Journal Year:
2025,
Volume and Issue:
14(6), P. 466 - 466
Published: March 20, 2025
Metabolic
dysfunction
leading
to
non-alcoholic
fatty
liver
disease
(NAFLD)
exhibits
distinct
molecular
and
immune
signatures
that
are
influenced
by
factors
like
gut
microbiota.
The
microbiome
interacts
with
the
via
a
bidirectional
relationship
gut–liver
axis.
Microbial
metabolites,
sirtuins,
responses
pivotal
in
different
metabolic
diseases.
This
extensive
review
explores
complex
multifaceted
interrelationship
between
sirtuins
microbiota,
highlighting
their
importance
health
disease,
particularly
hepatocellular
carcinoma
(HCC).
Sirtuins
(SIRTs),
classified
as
group
of
NAD+-dependent
deacetylases,
serve
crucial
modulators
wide
spectrum
cellular
functions,
including
pathways,
inflammatory
response,
process
senescence.
Their
subcellular
localization
diverse
functions
link
them
various
conditions,
NAFLD
cancer.
Concurrently,
comprising
microorganisms,
significantly
influences
host
metabolism
responses.
Recent
findings
indicate
modulate
microbiota
composition
function,
while
can
affect
sirtuin
activity.
is
relevant
disorders,
where
dysbiosis
contributes
progression.
highlights
recent
on
roles
specific
maintaining
implications
HCC
development.
Understanding
these
interactions
offers
potential
therapeutic
avenues
for
managing
diseases
linked
dysregulation
pathology.
Abstract
Background
Changes
in
gene
expression
related
to
obesity
are
linked
microRNAs,
such
as
miR‐141,
which
play
a
crucial
role
metabolic
homeostasis.
Sirtuin
1
(SIRT1),
an
enzyme
that
plays
regulating
various
cellular
functions
and
metabolism,
is
implicated
the
ensuing
non‐alcoholic
fatty
liver
disease
(NAFLD).
The
aim
of
this
research
was
evaluate
levels
miR‐141
its
relationship
with
SIRT1
NAFLD.
Methods
A
group
100
adults
(50
50
normal‐weight)
were
selected
underwent
complete
clinical
evaluation
anthropometric
measurements.
Biochemical
parameters
assessed
blood
serum,
plasma
measured
by
real‐time
PCR.
also
evaluated
peripheral
mononuclear
cells
using
Real‐time
ELISA
technique
used
determine
insulin
levels.
Liver
steatosis
ultrasound.
Results
results
showed
significantly
increased
participants
compared
control
group.
Conversely,
individuals
lower
than
participants.
strong
negative
correlation
observed
between
positive
association
parameters.
Furthermore,
had
elevated
gene,
those
without
liver.
Conclusion
might
be
contributing
factor
repression
consequences,
including
Therefore,
serve
suitable
diagnostic
therapeutic
target