Frontiers in Endocrinology,
Journal Year:
2022,
Volume and Issue:
13
Published: July 22, 2022
Recent
studies
have
revealed
the
pivotal
role
of
gut
microbiota
in
progress
liver
diseases
including
non-alcoholic
steatohepatitis
(NASH).
Many
natural
herbs,
such
as
Gynostemma
pentaphyllum
(GP),
been
extensively
applied
prevention
NASH,
while
bioactive
components
and
underlying
mechanism
remain
unclear.
The
aim
this
study
was
to
investigate
whether
polysaccharides
GP
(GPP)
a
protective
effect
on
NASH
explore
potential
these
effects.
C57BL/6
male
mice
were
fed
with
methionine-choline-deficient
(MCD)
diet
for
4
weeks
induce
administered
daily
oral
gavage
sodium
carboxymethylcellulose
(CMC-Na),
low
dose
GPP
(LGPP),
high
(HGPP),
polyene
phosphatidylcholine
capsules
(PPC),
compared
methionine-choline-sufficient
(MCS)
group.
Our
results
showed
that
symptoms
hepatic
steatosis,
hepatocyte
ballooning,
fibrosis,
oxidative
stress
could
be
partially
recovered
through
intervention
dose-dependent
effect.
Furthermore,
microbiome
sequencing
HGPP
altered
composition
microbiota,
mainly
characterized
by
enrichment
genera
Akkermansia
,
Lactobacillus
A2
.
Moreover,
transcriptome
analysis
indicated
anti-inflammatory
might
associated
toll-like
receptor
(TLR)
nod-like
(NLR)
signaling
pathways.
inhibit
expression
TLR2
downregulate
NLRP3
inflammasome,
well
pro-inflammatory
cytokine
tumor
necrosis
factor
(TNF)-α
interleukin
(IL)-1β.
In
summary,
ameliorate
possibly
mediated
via
modulation
TLR2/NLRP3
pathway,
indicating
tested
prebiotic
agent
NASH.
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.
Journal of Advanced Research,
Journal Year:
2024,
Volume and Issue:
unknown
Published: March 1, 2024
Non-alcoholic
fatty
liver
disease
(NAFLD)
is
a
common
chronic
with
an
increasing
incidence
worldwide.
Single
drug
therapy
may
have
toxic
side
effects
and
disrupt
gut
microbiota
balance.
Polyphenols
are
widely
used
in
intervention
due
to
their
distinctive
nutritional
properties
medicinal
value,
which
potential
modulator.
However,
there
lack
of
comprehensive
review
explore
the
efficacy
mechanism
combined
drugs
polyphenols
for
NAFLD.
Based
on
this,
this
firstly
discusses
link
between
NAFLD
microbiota,
outlines
microbiota.
Secondly,
it
examined
recent
advances
treatment
therapeutic
effect
combination
two.
Finally,
we
highlight
underlying
mechanisms
polyphenol
This
mainly
terms
signaling
pathways
(NF-κB,
AMPK,
Nrf2,
JAK/STAT,
PPAR,
SREBP-1c,
PI3K/Akt
TLR)
Furthermore,
some
emerging
such
as
microRNA
biomarker
therapies
provide
avenues
Drawing
inspiration
from
strategies,
use
active
substances
holds
transformative
prospective
potential,
both
improve
restore
balance
while
reducing
required
dosage.
systematically
bidirectional
interactions
NAFLD,
summarizes
synergistic
by
modulating
Future
researches
should
develop
multi-omics
technology
identify
patients
who
benefit
devising
individualized
plans
enhance
its
effect.
Acta Pharmaceutica Sinica B,
Journal Year:
2021,
Volume and Issue:
11(6), P. 1541 - 1554
Published: March 30, 2021
Obesity
and
its
associated
complications
are
highly
related
to
a
current
public
health
crisis
around
the
world.
A
growing
body
of
evidence
has
indicated
that
G-protein
coupled
bile
acid
(BA)
receptor
TGR5
(also
known
as
Gpbar-1)
is
potential
drug
target
treat
obesity
metabolic
disorders.
We
have
identified
notoginsenoside
Ft1
(Ft1)
from
Panax
notoginseng
an
agonist
in
vitro.
However,
pharmacological
effects
on
diet-induced
obese
(DIO)
mice
underlying
mechanisms
still
elusive.
Here
we
show
(100
mg/100
diet)
increased
adipose
lipolysis,
promoted
fat
browning
inguinal
tissue
induced
glucagon-like
peptide-1
(GLP-1)
secretion
ileum
wild
type
but
not
Tgr5-/-
mice.
In
addition,
elevated
serum
free
taurine-conjugated
acids
(BAs)
by
antagonizing
Fxr
transcriptional
activities
activate
Tgr5
tissues.
The
benefits
were
abolished
Cyp27a1-/-
which
much
lower
BA
levels.
These
results
identify
single
compound
with
opposite
two
key
receptors
alleviate
high
insulin
resistance
Acta Pharmaceutica Sinica B,
Journal Year:
2022,
Volume and Issue:
12(9), P. 3650 - 3666
Published: Feb. 12, 2022
Metabolic-associated
fatty
liver
disease
(MAFLD),
which
is
previously
known
as
non-alcoholic
(NAFLD),
represents
a
major
health
concern
worldwide
with
limited
therapy.
Here,
we
provide
evidence
that
ferroptosis,
novel
form
of
regulated
cell
death
characterized
by
iron-driven
lipid
peroxidation,
was
comprehensively
activated
in
tissues
from
MAFLD
patients.
The
canonical-GPX4
(cGPX4),
the
most
important
negative
controller
downregulated
at
protein
but
not
mRNA
level.
Interestingly,
non-canonical
GPX4
transcript-variant
induced
(inducible-GPX4,
iGPX4)
condition.
high
fat-fructose/sucrose
diet
(HFFD)
and
methionine/choline-deficient
(MCD)-induced
pathologies,
including
hepatocellular
ballooning,
steatohepatitis
fibrosis,
were
attenuated
aggravated,
respectively,
cGPX4-and
iGPX4-knockin
mice.
cGPX4
iGPX4
isoforms
also
displayed
opposing
effects
on
oxidative
stress
ferroptosis
hepatocytes.
Knockdown
siRNA
alleviated
stress,
injury.
Mechanistically,
triggered
interacts
to
facilitate
transformation
enzymatic-active
monomer
enzymatic-inactive
oligomers
upon
thus
promotes
ferroptosis.
Co-immunoprecipitation
nano
LC-MS/MS
analyses
confirmed
interaction
between
cGPX4.
Our
results
reveal
detrimental
role
isoform
indicate
selectively
targeting
may
be
promising
therapeutic
strategy
for
MAFLD.
Hepatology,
Journal Year:
2021,
Volume and Issue:
76(1), P. 155 - 171
Published: Oct. 30, 2021
NAFLD
is
a
key
component
of
metabolic
syndrome,
ranging
from
nonalcoholic
fatty
liver
to
NASH,
and
now
becoming
the
leading
cause
cirrhosis
HCC
worldwide.
However,
due
complex
unclear
pathophysiological
mechanism,
there
are
no
specific
approved
agents
for
treating
NASH.
Breviscapine,
natural
flavonoid
prescription
drug
isolated
traditional
Chinese
herb
Erigeron
breviscapus,
exhibits
wide
range
pharmacological
properties,
including
effects
on
metabolism.
anti-NASH
efficacy
mechanisms
breviscapine
have
not
yet
been
characterized.We
evaluated
development
hepatic
steatosis,
inflammation,
fibrosis
in
vivo
vitro
under
stress.
Breviscapine
treatment
significantly
reduced
lipid
accumulation,
inflammatory
cell
infiltration,
injury,
mice
fed
high-fat
diet,
high-fat/high-cholesterol
or
methionine-
choline-deficient
diet.
In
addition,
attenuated
lipotoxicity
hepatocytes
undergoing
RNA-sequencing
multiomics
analyses
further
indicated
that
mechanism
linking
was
inhibition
TGF-β-activated
kinase
1
(TAK1)
phosphorylation
subsequent
mitogen-activated
protein
signaling
cascade.
Treatment
with
TAK1
inhibitor
5Z-7-oxozeaenol
abrogated
breviscapine-mediated
hepatoprotection
Molecular
docking
illustrated
directly
bound
TAK1.Breviscapine
prevents
stress-induced
NASH
progression
through
direct
signaling.
might
be
therapeutic
candidate
Acta Pharmaceutica Sinica B,
Journal Year:
2022,
Volume and Issue:
13(2), P. 678 - 693
Published: Sept. 25, 2022
The
NLRP3
inflammasome's
core
and
most
specific
protein,
NLRP3,
has
a
variety
of
functions
in
inflammation-driven
diseases.
Costunolide
(COS)
is
the
major
active
ingredient
traditional
Chinese
medicinal
herb
Saussurea
lappa
anti-inflammatory
activity,
but
principal
mechanism
molecular
target
COS
remain
unclear.
Here,
we
show
that
covalently
binds
to
cysteine
598
NACHT
domain
altering
ATPase
activity
assembly
inflammasome.
We
declare
COS's
great
anti-inflammasome
efficacy
macrophages
disease
models
gouty
arthritis
ulcerative
colitis
via
inhibiting
inflammasome
activation.
also
reveal
α-methylene-γ-butyrolactone
motif
sesquiterpene
lactone
certain
group
Taken
together,
identified
as
direct
for
its
activity.
COS,
especially
structure,
might
be
used
design
produce
novel
inhibitors
lead
compound.
International Journal of Molecular Sciences,
Journal Year:
2022,
Volume and Issue:
23(5), P. 2764 - 2764
Published: March 2, 2022
The
booming
prevalence
of
nonalcoholic
fatty
liver
disease
(NAFLD)
in
adults
and
children
will
threaten
the
health
system
upcoming
years.
"multiple
hit"
hypothesis
is
currently
accepted
explanation
complex
etiology
pathophysiology
disease.
Some
critical
pathological
events
associated
with
development
NAFLD
are
insulin
resistance,
steatosis,
oxidative
stress,
inflammation,
fibrosis.
Hence,
attenuating
these
may
help
prevent
or
delay
progression
NAFLD.
Despite
an
increasing
understanding
mechanisms
involved
NAFLD,
no
approved
standard
pharmacological
treatment
available.
only
recommended
alternative
relies
on
lifestyle
modifications,
including
diet
physical
activity.
However,
lack
compliance
still
hampering
this
approach.
Thus,
there
evident
need
to
characterize
new
therapeutic
alternatives.
Studies
food
bioactive
compounds
became
attractive
approach
overcome
reticence
toward
changes.
present
study
aimed
review
some
reported
beneficial
properties
NAFLD;
namely,
coffee
(and
its
components),
tormentic
acid,
verbascoside,
silymarin.
We
provide
details
about
their
protective
effects,
mechanism
action
ameliorating
clinical
applications.