Cells,
Journal Year:
2022,
Volume and Issue:
11(24), P. 3952 - 3952
Published: Dec. 7, 2022
(1)
Background:
the
miR-301a
is
well
known
involving
proliferation
and
migration
of
tumor
cells.
However,
role
in
phagocytosis
macrophages
still
unclear.
(2)
Methods:
sciatic
nerve
injury,
liver
injury
models,
as
primary
macrophage
cultures
were
prepared
from
knockout
(KO)
wild
type
(WT)
mice
to
assess
macrophage’s
capabilities.
Targetscan
database
analysis,
Western
blotting,
siRNA
transfection,
CXCR4
inhibition
or
activation
performed
reveal
miR301a’s
potential
mechanism.
(3)
Results:
significantly
attenuated
by
KO
both
vivo
vitro.
MiR-301a
can
target
Yin-Yang
1
(YY1),
resulted
YY1
up-regulation
(YY1′s
down-stream
molecule)
down-regulation.
siYY1
increased
expression
enhanced
macrophages.
Meanwhile,
a
inhibitor
agonist
could
attenuate
accelerate,
respectively,
phagocytosis.
(4)
Conclusions:
current
findings
indicated
that
plays
important
roles
capabilities
through
YY1/CXCR4
pathway.
Hence,
might
be
promising
therapeutic
candidate
for
inflammatory
diseases
adjusting
bio-functions.
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.
Cell Metabolism,
Journal Year:
2024,
Volume and Issue:
36(6), P. 1371 - 1393.e7
Published: May 7, 2024
The
role
and
molecular
mechanisms
of
intermittent
fasting
(IF)
in
non-alcoholic
steatohepatitis
(NASH)
its
transition
to
hepatocellular
carcinoma
(HCC)
are
unknown.
Here,
we
identified
that
an
IF
5:2
regimen
prevents
NASH
development
as
well
ameliorates
established
fibrosis
without
affecting
total
calorie
intake.
Furthermore,
the
blunted
NASH-HCC
when
applied
therapeutically.
timing,
length,
number
cycles
type
diet
were
critical
parameters
determining
benefits
fasting.
Combined
proteome,
transcriptome,
metabolome
analyses
peroxisome-proliferator-activated
receptor
alpha
(PPARα)
glucocorticoid-signaling-induced
PCK1
act
co-operatively
hepatic
executors
response.
In
line
with
this,
PPARα
targets
reduced
human
NASH.
Notably,
only
initiated
during
active
phase
mice
robustly
induced
glucocorticoid
signaling
free-fatty-acid-induced
signaling.
However,
hepatocyte-specific
deletion
partially
abrogated
contrast,
combined
knockdown
Ppara
Pck1
vivo
abolished
beneficial
outcomes
against
inflammation
fibrosis.
Moreover,
overexpression
alone
or
together
lowered
triglycerides
steatosis.
Our
data
support
notion
is
a
promising
intervention
subsequent
liver
cancer.
Signal Transduction and Targeted Therapy,
Journal Year:
2025,
Volume and Issue:
10(1)
Published: Feb. 4, 2025
Abstract
As
a
highly
complex
organ
with
digestive,
endocrine,
and
immune-regulatory
functions,
the
liver
is
pivotal
in
maintaining
physiological
homeostasis
through
its
roles
metabolism,
detoxification,
immune
response.
Various
factors
including
viruses,
alcohol,
metabolites,
toxins,
other
pathogenic
agents
can
compromise
function,
leading
to
acute
or
chronic
injury
that
may
progress
end-stage
diseases.
While
sharing
common
features,
diseases
exhibit
distinct
pathophysiological,
clinical,
therapeutic
profiles.
Currently,
contribute
approximately
2
million
deaths
globally
each
year,
imposing
significant
economic
social
burdens
worldwide.
However,
there
no
cure
for
many
kinds
of
diseases,
partly
due
lack
thorough
understanding
development
these
Therefore,
this
review
provides
comprehensive
examination
epidemiology
characteristics
covering
spectrum
from
conditions
manifestations.
We
also
highlight
multifaceted
mechanisms
underlying
initiation
progression
spanning
molecular
cellular
levels
networks.
Additionally,
offers
updates
on
innovative
diagnostic
techniques,
current
treatments,
potential
targets
presently
under
clinical
evaluation.
Recent
advances
pathogenesis
hold
critical
implications
translational
value
novel
strategies.
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: April 20, 2023
Abstract
Insulin
resistance
(IR)
during
obesity
is
linked
to
adipose
tissue
macrophage
(ATM)-driven
inflammation
of
tissue.
Whether
anti-inflammatory
glucocorticoids
(GCs)
at
physiological
levels
modulate
IR
unclear.
Here,
we
report
that
deletion
the
GC
receptor
(GR)
in
myeloid
cells,
including
macrophages
mice,
aggravates
obesity-related
by
enhancing
due
decreased
ATM
leading
exaggerated
lipolysis
and
severe
hepatic
steatosis.
In
contrast,
GR
Kupffer
cells
alone
does
not
alter
IR.
Co-culture
experiments
show
absence
directly
causes
reduced
phospho-AKT
glucose
uptake
adipocytes,
suggesting
an
important
function
ATM.
GR-deficient
are
refractory
alternative
ATM-inducing
IL-4
signaling,
STAT6
chromatin
loading
diminished
enhancer
activation.
We
demonstrate
has
limiting
promote
insulin
sensitivity.
Biomedical Journal,
Journal Year:
2025,
Volume and Issue:
unknown, P. 100827 - 100827
Published: Jan. 1, 2025
The
circadian
system
is
composed
by
a
central
hypothalamic
clock
at
the
suprachiasmatic
nuclei
(SCN)
that
communicates
with
peripheral
oscillators
for
daily
coordination
of
behavior
and
physiology.
SCN
entrain
to
environmental
24-h
light-dark
(LD)
cycle
drive
rhythms
internal
synchronizers
such
as
core
body
temperature,
hypothalamic-hypophysary
hormones,
sympathetic/parasympathetic
activity,
well
behavioral
feeding-fasting
rhythms,
which
supply
signals
setting
molecular
clocks
tissues.
Steady
phase
relationships
between
keep
homeostatic
processes
microbiota/microbiome
composition/activity,
metabolic
supply/demand,
energy
balance,
immunoinflammatory
process,
sleep
amount
quality,
psychophysiological
stress,
etc.
Indeed,
risk
health
alterations
increase
when
these
are
chronically
changed
prompting
disruption
(CD),
occurring
after
sudden
LD
changes
(so-called
jet-lag),
or
due
activity/feeding-rest/fasting
rhythm
respect
cycles
(as
humans
subjected
nightwork,
restricting
food
access
rest
in
mice).
Typical
pathologies
observed
animal
models
CD
epidemiological
studies
include
syndrome,
type-2
diabetes,
obesity,
chronic
inflammation,
cancer,
disruption,
decrease
physical
cognitive
performance,
mood,
among
others.
present
review
discusses
different
aspects
physiological
dysregulations
having
altered
potential
translation
human
health.
Nutrients,
Journal Year:
2022,
Volume and Issue:
14(21), P. 4655 - 4655
Published: Nov. 3, 2022
Intermittent
fasting
is
a
non-pharmacological
dietary
approach
to
management
of
obesity
and
metabolic
syndrome,
involving
periodic
intervals
complete
or
near-complete
abstinence
from
food
energy-containing
fluids.
This
strategy
has
recently
gained
significant
popularity
in
mainstream
culture
been
shown
induce
weight
loss
humans,
reduce
gut
systemic
inflammation,
improve
microbial
diversity
dysbiosis
(largely
animal
models).
It
hypothesized
that
intermittent
could
be
beneficial
the
nonalcoholic
fatty
liver
disease,
given
condition's
association
with
obesity.
review
summarizes
protocols,
potential
mechanisms
action,
evidence
for
disease.
also
highlights
practical
considerations
implementing
clinical
practice.
A
search
literature
English-language
articles
related
time-restricted
feeding
disease
was
completed
PubMed
Google
Scholar.
Potential
action
effects
included
modulation
circadian
rhythm,
adipose
tissue
adipokines,
microbiome,
autophagy.
Preclinical,
epidemiological,
trial
data
suggested
benefits
on
inflammatory
markers
humans.
However,
there
paucity
its
patients
More
studies
are
needed
determine
evaluate
safety
efficacy
this
population.