BMC Musculoskeletal Disorders,
Год журнала:
2024,
Номер
25(1)
Опубликована: Май 6, 2024
Abstract
Background
With
the
increasing
incidence
of
steroid-induced
necrosis
femoral
head
(SNFH),
numerous
scholars
have
investigated
its
pathogenesis.
Current
evidence
suggests
that
imbalance
between
lipogenesis
and
osteoblast
differentiation
in
bone
marrow
mesenchymal
stem
cells
(BMSCs)
is
a
key
pathological
feature
SNFH.
MicroRNAs
(miRNAs)
strong
gene
regulatory
effects
can
influence
direction
cell
differentiation.
N6-methyladenosine
(m6A)
prevalent
epigenetic
modification
involved
diverse
pathophysiological
processes.
However,
knowledge
how
miRNAs
regulate
m6A-related
factors
affect
BMSC
limited.
Objective
We
aimed
to
investigate
role
miR27a
regulating
expression
YTHDF2
BMSCs.
Methods
compared
miR27a,
YTHDF2,
total
m6A
mRNA
levels
SNFH-affected
control
CCK-8
TUNEL
assays
were
used
assess
proliferation
apoptosis.
Western
blotting
qRT‒PCR
measure
osteogenic
(ALP,
RUNX2,
OCN)
lipogenic
(PPARγ
C/EBPα)
markers.
Alizarin
Red
Oil
O
staining
quantify
differentiation,
respectively.
was
knocked
down
or
overexpressed
evaluate
impact
on
relationship
with
YTHDF2.
Bioinformatics
analyses
identified
as
differentially
expressed
SNFH
(ROC
analysis)
revealed
potential
signaling
pathways
through
GSEA.
The
silencing
functions
BMSCs
assessed.
Results
downregulation
upregulation
observed
knockdown/overexpression
modulated
expression,
impacting
decreased
methylation
promoted
while
exerted
similar
effects.
GSEA
suggested
associated
Conclusion
regulates
affecting
promoting
osteogenesis.
This
finding
therapeutic
target
for
Clinical and Translational Medicine,
Год журнала:
2024,
Номер
14(3)
Опубликована: Март 1, 2024
Abstract
Heightened
lactate
production
in
cancer
cells
has
been
linked
to
various
cellular
mechanisms
such
as
angiogenesis,
hypoxia,
macrophage
polarisation
and
T‐cell
dysfunction.
The
lactate‐induced
lactylation
of
histone
lysine
residues
is
noteworthy,
it
functions
an
epigenetic
modification
that
directly
augments
gene
transcription
from
chromatin.
This
originating
effectively
fosters
a
reliance
on
transcription,
thereby
expediting
tumour
progression
development.
Herein,
this
review
explores
the
correlation
between
characteristics,
revealing
innovative
process
enhances
vulnerability
malignancy.
Moreover,
imperative
acknowledge
paramount
importance
acknowledging
therapeutic
methodologies
for
proficiently
managing
by
precisely
targeting
signalling.
comprehensive
illuminates
crucial
yet
inadequately
investigated
aspect
lactylation,
providing
valuable
insights
into
its
clinical
ramifications
prospective
interventions
centred
lactylation.
Abstract
Periodontal
disease
ranks
third
among
noncommunicable
illnesses,
behind
cancer
and
cardiovascular
disease,
is
closely
related
to
the
occurrence
progression
of
various
systemic
diseases.
However,
elucidating
processes
periodontal
promoting
bone
regeneration
remains
a
challenge.
Here,
quercetin
demonstrated
reduce
oxidative
stress
state
orofacial
mesenchymal
stem
cells
(OMSCs)
in
vitro
affect
osteogenic
growth
OMSCs
through
molecular
mechanisms
that
mediate
m6A
change
Per1.
Nevertheless,
limited
therapeutic
efficacy
medication
limitations
local
resulting
from
small,
moist,
highly
dynamic
environment
make
it
challenging
treat
tissues
with
medication.
Herein,
biosafe
injectable
hydrogel
drug‐controlled
delivery
system
constructed
as
bone‐enhancing
factory
loaded
injury
tissues.
This
drug‐carrying
made
up
nanoscale
bioglass
microspheres
light‐cured
hydrogel,
allows
effective
drug
particle
loading
cementation
moist
environment.
Furthermore,
demonstrates
ability
stimulate
differentiation
Per1‐dependent
manner,
which
ultimately
promotes
repair,
suggesting
this
has
potential
for
clinical
therapy.
Journal of Experimental & Clinical Cancer Research,
Год журнала:
2025,
Номер
44(1)
Опубликована: Фев. 6, 2025
Abstract
Background
D-2-hydroxyglutarate
(D-2HG),
an
oncometabolite
derived
from
the
tricarboxylic
acid
cycle.
Previous
studies
have
reported
diverse
effects
of
D-2HG
in
pathophysiological
processes,
yet
its
role
breast
cancer
remains
largely
unexplored.
Methods
We
applied
advanced
biosensor
approach
to
detect
levels
samples.
then
investigated
biological
functions
through
multiple
vitro
and
vivo
assays.
A
joint
MeRIP-seq
RNA-seq
strategy
was
used
identify
target
genes
regulated
by
D-2HG-mediated
N6-methyladenosine
(m
6
A)
modification.
RNA
pull-down
assays
were
further
reader
that
could
specifically
recognize
m
modification
on
angiopoietin
like
4
(ANGPTL4)
mRNA
immunoprecipitation
confirm
findings.
Results
found
accumulated
triple-negative
(TNBC),
exerting
oncogenic
both
promoting
TNBC
cell
growth
metastasis.
Mechanistically,
enhanced
global
modifications
cells,
notably
upregulating
ANGPTL4
mRNA,
which
mediated
inhibition
Fat-mass
obesity-associated
protein
(FTO),
resulting
increased
recognition
A-modified
YTH
binding
F1
(YTHDF1),
thereby
translation
ANGPTL4.
As
a
secretory
protein,
subsequently
activated
integrin-mediated
JAK2/STAT3
signaling
cascade
cells
autocrine
signaling.
Notably,
knockdown
or
treatment
with
GLPG1087
(an
integrin
antagonist)
significantly
reduced
D-2HG-induced
proliferation
metastasis
cells.
Additionally,
promote
macrophage
M2
polarization
within
tumor
microenvironment
via
paracrine
signaling,
driving
progression.
The
association
poor
prognosis
patients
underscores
clinical
relevance.
Conclusions
Our
study
unveils
previously
unrecognized
for
progression
targeting
D-2HG/FTO/m
A/ANGPTL4/integrin
axis
can
serve
as
promising
therapeutic
patients.
Cellular & Molecular Biology Letters,
Год журнала:
2024,
Номер
29(1)
Опубликована: Июль 8, 2024
Abstract
Skeletal
muscular
atrophy
is
a
complex
disease
involving
large
number
of
gene
expression
regulatory
networks
and
various
biological
processes.
Despite
extensive
research
on
this
topic,
its
underlying
mechanisms
remain
elusive,
effective
therapeutic
approaches
are
yet
to
be
established.
Recent
studies
have
shown
that
epigenetics
play
an
important
role
in
regulating
skeletal
muscle
atrophy,
influencing
the
numerous
genes
associated
with
condition
through
addition
or
removal
certain
chemical
modifications
at
molecular
level.
This
review
article
comprehensively
summarizes
different
types
DNA,
histones,
RNA,
their
known
regulators.
We
also
discuss
how
epigenetic
change
during
process
by
which
proteins
control
assess
translational
potential.
The
stem
cells
highlighted.
In
addition,
we
propose
alternative
splicing
interacts
regulate
mass,
offering
novel
perspective
enhances
our
understanding
inheritance’s
network
governing
atrophy.
Collectively,
advancements
provide
invaluable
insights
into
study
Moreover,
knowledge
paves
way
for
identifying
new
avenues
development
more
strategies
pharmaceutical
interventions.
ABSTRACT
Epigenetic
regulation
in
disease
development
has
been
witnessed
within
this
decade.
RNA
methylation
is
the
predominant
form
of
epigenetic
regulation,
and
most
prevalent
modification
N6‐methyladenosine
(m
6
A).
Recently,
emerged
as
a
potential
target
for
treatment.
posttranscriptional
gene
expression
that
involved
both
physiological
pathological
processes.
Evidence
suggests
m
A
significantly
affects
metabolism,
its
abnormal
changes
have
observed
variety
diseases.
Metabolic
diseases
are
series
caused
by
metabolic
processes
body,
common
include
diabetes
mellitus,
obesity,
nonalcoholic
fatty
liver
disease,
etc.;
although
pathogenesis
these
differs
from
each
other
to
current
understanding,
recent
studies
suggested
pivotal
role
modulating
diseases,
A‐based
drug
on
agenda.
This
paper
reviewed
understanding
hoping
provide
systematic
information
those
area.
Abstract
N4‐acetylcytidine
(ac4C)
modification
is
a
crucial
RNA
widely
present
in
eukaryotic
RNA.
Previous
studies
have
demonstrated
that
ac4C
plays
pivotal
role
viral
infections.
Despite
numerous
highlighting
the
strong
correlation
between
and
cancer
progression,
its
detailed
roles
molecular
mechanisms
normal
physiological
processes
progression
remain
incompletely
understood.
This
review
first
outlines
key
regulatory
enzyme
mediating
modification,
N‐acetyltransferase
10
(NAT10),
including
critical
regulating
stability,
transcriptional
efficiency,
translational
fidelity.
Additionally,
it
systematically
summarizes
essential
functions
of
biological
processes,
stem
cell
fate
determination,
spermatogenesis
oogenesis,
embryonic
development,
cellular
senescence,
bone
remodeling.
Furthermore,
this
delves
into
central
malignant
proliferation,
cycle
arrest,
EMT,
drug
resistance,
death,
metabolism,
tumor
immunotherapy.
It
also
emphasizes
potential
NAT10
as
prognostic
biomarker
therapeutic
target
for
disease
treatment.
In
summary,
clarifies
multifaceted
both
health
explores
NAT10‐targeted
therapies
with
aim
advancing
research
improving
patient
outcomes.
Biomolecules,
Год журнала:
2025,
Номер
15(2), С. 157 - 157
Опубликована: Янв. 21, 2025
N6-methyladenosine
(m6A)
is
the
most
abundant,
dynamically
reversible,
and
evolutionarily
conserved
internal
chemical
modification
in
eukaryotic
RNA.
It
emerging
as
critical
for
regulating
gene
expression
at
post-transcriptional
level
by
affecting
RNA
metabolism
through,
example,
pre-mRNA
processing,
mRNA
decay,
translation.
ALKBH5
has
recently
been
identified
an
endogenous
m6A
demethylase
implicated
a
multitude
of
biological
processes.
This
review
provides
overview
structural
functional
characteristics
involvement
diverse
human
diseases,
including
metabolic,
immune,
reproductive,
nervous
system
disorders,
well
development
inhibitors.
In
summation,
this
highlights
current
understanding
structure,
functions,
detailed
mechanisms
various
physiological
pathological
processes
valuable
insights
clinical
applications
foundational
research
within
related
fields.