The Journal of Physiology,
Journal Year:
2022,
Volume and Issue:
601(22), P. 5011 - 5031
Published: March 23, 2022
Extended
periods
of
bed
rest
and
limb
immobilization
are
required
for
healing
post-injury
or
disease,
yet
disuse
can
result
in
significant
muscle
atrophy
decreased
quality
life
older
adults.
Physical
rehabilitation
is
commonly
prescribed
to
recover
these
deficits,
accumulation
reactive
oxygen
species
sustained
rates
protein
degradation
persist
during
the
period
that
significantly
delay
prevent
recovery.
Pericytes,
considered
primary
mesenchymal
vascular
stromal
cell
skeletal
muscle,
secrete
beneficial
factors
maintain
baseline
mass,
minimal
information
exists
regarding
pericyte
response
In
current
study,
single-cell
RNA
sequencing
functional
assays
were
performed
demonstrate
pericytes
mouse
lose
capacity
synthesize
antioxidants
This
was
used
guide
design
a
strategy
which
healthy
donor
stimulated
with
hydrogen
peroxide
(H
Journal of Translational Medicine,
Journal Year:
2023,
Volume and Issue:
21(1)
Published: July 26, 2023
Abstract
Mitochondria
play
important
roles
in
maintaining
cellular
homeostasis
and
skeletal
muscle
health,
damage
to
mitochondria
can
lead
a
series
of
pathophysiological
changes.
Mitochondrial
dysfunction
atrophy,
its
molecular
mechanism
leading
atrophy
is
complex.
Understanding
the
pathogenesis
mitochondrial
useful
for
prevention
treatment
finding
drugs
methods
target
modulate
function
are
urgent
tasks
atrophy.
In
this
review,
we
first
discussed
normal
muscle.
Importantly,
described
effect
on
mechanisms
involved.
Furthermore,
regulatory
different
signaling
pathways
(AMPK-SIRT1-PGC-1α,
IGF-1-PI3K-Akt-mTOR,
FoxOs,
JAK-STAT3,
TGF-β-Smad2/3
NF-κB
pathways,
etc.)
factors
were
investigated
dysfunction.
Next,
analyzed
manifestations
caused
by
diseases.
Finally,
summarized
preventive
therapeutic
effects
targeted
regulation
including
drug
therapy,
exercise
diet,
gene
stem
cell
therapy
physical
therapy.
This
review
great
significance
holistic
understanding
role
muscle,
which
helpful
researchers
further
has
an
inspiring
development
strategies
targeting
future.
Journal of Hematology & Oncology,
Journal Year:
2023,
Volume and Issue:
16(1)
Published: May 22, 2023
Abstract
Muscle
wasting
is
a
consequence
of
physiological
changes
or
pathology
characterized
by
increased
catabolic
activity
that
leads
to
progressive
loss
skeletal
muscle
mass
and
strength.
Numerous
diseases,
including
cancer,
organ
failure,
infection,
aging-associated
are
associated
with
wasting.
Cancer
cachexia
multifactorial
syndrome
mass,
without
the
fat
resulting
in
functional
impairment
reduced
quality
life.
It
caused
upregulation
systemic
inflammation
stimuli,
leading
inhibition
protein
synthesis
enhancement
catabolism.
Here,
we
summarize
complex
molecular
networks
regulate
function.
Moreover,
describe
multi-organ
roles
cancer
cachexia.
Although
one
main
causes
cancer-related
deaths,
there
still
no
approved
drugs
for
Thus,
compiled
recent
ongoing
pre-clinical
clinical
trials
further
discussed
potential
therapeutic
approaches
Cancers,
Journal Year:
2019,
Volume and Issue:
11(10), P. 1428 - 1428
Published: Sept. 25, 2019
The
Signal
Transducer
and
Activator
of
Transcription
(STAT)3
5
proteins
are
activated
by
many
cytokine
receptors
to
regulate
specific
gene
expression
mitochondrial
functions.
Their
role
in
cancer
is
largely
context-dependent
as
they
can
both
act
oncogenes
tumor
suppressors.
We
review
here
the
STAT3/5
activation
solid
cancers
summarize
their
association
with
survival
patients.
molecular
mechanisms
that
underpin
oncogenic
activity
signaling
include
regulation
genes
control
cell
cycle
death.
However,
recent
advances
also
highlight
critical
target
mediating
inflammation
stemness.
In
addition,
STAT3
functions
required
for
transformation.
On
other
hand,
several
suppressor
pathways
on
or
signaling,
including
tyrosine
phosphatases,
sumo
ligase
Protein
Inhibitor
Activated
(PIAS3),
E3
ubiquitin
TATA
Element
Modulatory
Factor/Androgen
Receptor-Coactivator
160
kDa
(TMF/ARA160),
miRNAs
miR-124
miR-1181,
alternative
reading
frame
19
(p19ARF)/p53
pathway
Suppressor
Cytokine
Signaling
1
3
(SOCS1/3)
proteins.
Cancer
mutations
epigenetic
alterations
may
alter
balance
between
pro-oncogenic
activities
associated
explaining
progression
human
animal
models.
npj Regenerative Medicine,
Journal Year:
2022,
Volume and Issue:
7(1)
Published: Feb. 17, 2022
Skeletal
muscle
requires
a
highly
orchestrated
coordination
between
multiple
cell
types
and
their
microenvironment
to
exert
its
function
maintain
homeostasis
regenerative
capacity.
Over
the
past
decades,
significant
advances,
including
lineage
tracing
single-cell
RNA
sequencing,
have
contributed
identifying
resident
populations
participating
in
maintenance
repair.
Among
these
populations,
stem
cells
(MuSC),
also
known
as
satellite
cells,
response
stress
or
injury,
are
able
proliferate,
fuse,
form
new
myofibers
repair
damaged
tissue.
These
reside
adjacent
myofiber
surrounded
by
specific
complex
microenvironment,
niche.
Major
components
of
niche
extracellular
matrix
(ECM)
proteins,
instruct
MuSC
behavior.
However,
during
aging
muscle-associated
diseases,
progressively
loses
ability,
part
due
dysregulation
ECM
components.
This
review
provides
an
overview
composition
importance
microenvironment.
We
discuss
relevant
proteins
how
mutations
impact
young
aged
tissue
contribute
diseases.
Recent
discoveries
improved
our
knowledge
about
skeletal
muscle,
which
has
helped
mimic
architecture
capacity
MuSC.
Further
understanding
extrinsic
signals
from
controlling
innovative
technologies
still
required
develop
therapies
improve
Redox Biology,
Journal Year:
2024,
Volume and Issue:
74, P. 103225 - 103225
Published: June 8, 2024
Acute
kidney
injury
(AKI)
is
in
high
prevalence
worldwide
but
with
no
therapeutic
strategies.
Programmed
cell
death
tubular
epithelial
cells
has
been
reported
to
accelerate
a
variety
of
AKI,
the
major
pathways
and
underlying
mechanisms
are
not
defined.
Herein,
we
identified
that
pyroptosis
was
responsible
for
AKI
progression
related
ATP
depletion
renal
cells.
We
found
FAM3A,
mitochondrial
protein
assists
synthesis,
decreased
negatively
correlated
both
mice
patients
AKI.
Knockout
FAM3A
worsened
function
decline,
increased
macrophage
neutrophil
infiltration,
facilitated
ischemia/reperfusion
model.
Conversely,
overexpression
alleviated
pyroptosis,
inhibited
ischemic
Mechanistically,
promoted
PI3K/AKT/NRF2
signaling,
thus
blocking
reactive
oxygen
species
(mt-ROS)
accumulation.
NLRP3
inflammasome
sensed
overload
mt-ROS
then
activated
Caspase-1,
which
cleaved
GSDMD,
pro-IL-1β,
pro-IL-18
into
their
mature
forms
mediate
pyroptosis.
Of
interest,
NRF2
activator
pro-pyroptotic
effects
depletion,
whereas
deletion
blocked
anti-pyroptotic
FAM3A.
Thus,
our
study
provides
new
demonstrates
potential
target
treating
MedComm,
Journal Year:
2025,
Volume and Issue:
6(1)
Published: Jan. 1, 2025
Abstract
Sarcopenia
is
defined
as
a
muscle‐wasting
syndrome
that
occurs
with
accelerated
aging,
while
cachexia
severe
wasting
associated
conditions
such
cancer
and
immunodeficiency
disorders,
which
cannot
be
fully
addressed
through
conventional
nutritional
supplementation.
can
considered
component
of
cachexia,
the
bidirectional
interplay
between
adipose
tissue
skeletal
muscle
potentially
serving
molecular
mechanism
for
both
conditions.
However,
underlying
mechanisms
differ.
Recognizing
distinctions
these
disorders
essential
advancing
basic
translational
research
in
this
area,
enhancing
diagnostic
accuracy
ultimately
achieving
effective
therapeutic
solutions
affected
patients.
This
review
discusses
microenvironment's
changes
contributing
to
conditions,
recent
approaches
like
lifestyle
modifications,
small
molecules,
interventions,
emerging
strategies
gene
editing,
stem
cell
therapy,
gut
microbiome
modulation.
We
also
address
challenges
opportunities
multimodal
aiming
provide
insights
into
pathogenesis
sarcopenia
aiding
innovative
strategy
development
improved
treatments.