Frontiers in Immunology,
Journal Year:
2024,
Volume and Issue:
15
Published: Oct. 29, 2024
Rheumatoid
arthritis
(RA),
a
chronic
autoimmune
condition,
is
characterized
by
persistent
synovial
inflammation,
bone
degradation,
and
progressive
joint
deterioration.
Despite
considerable
research
efforts,
the
precise
molecular
mechanism
underlying
RA
remains
elusive.
This
investigation
aims
to
elucidate
potential
role
of
N6-methyladenosine
(m
MedComm,
Journal Year:
2024,
Volume and Issue:
5(3)
Published: March 1, 2024
Abstract
Rheumatoid
arthritis
(RA)
is
a
chronic
autoimmune
disease
characterized
by
the
unresolved
synovial
inflammation
for
tissues‐destructive
consequence,
which
remains
one
of
significant
causes
disability
and
labor
loss,
affecting
about
0.2–1%
global
population.
Although
treatments
with
disease‐modifying
antirheumatic
drugs
(DMARDs)
are
effective
to
control
decrease
bone
destruction,
overall
remission
rates
RA
still
stay
at
low
level.
Therefore,
uncovering
pathogenesis
expediting
clinical
transformation
imminently
in
need.
Here,
we
summarize
immunological
basis,
inflammatory
pathways,
genetic
epigenetic
alterations,
metabolic
disorders
RA,
highlights
on
abnormality
immune
cells
atlas,
epigenetics,
immunometabolism.
Besides
an
overview
first‐line
medications
including
conventional
DMARDs,
biologics,
small
molecule
agents,
discuss
depth
promising
targeted
therapies
under
or
preclinical
trials,
especially
regulators.
Additionally,
prospects
precision
medicine
based
biopsy
RNA‐sequencing
cell
mesenchymal
stem
chimeric
antigen
receptor
T‐cell
also
looked
forward.
The
advancements
innovations
accelerates
progress
treatments.
Journal of Translational Medicine,
Journal Year:
2024,
Volume and Issue:
22(1)
Published: Feb. 14, 2024
Abstract
Skeletal
system
disease
(SSD)
is
defined
as
a
class
of
chronic
disorders
skeletal
with
poor
prognosis
and
causes
heavy
economic
burden.
m6A,
methylation
at
the
N6
position
adenosine
in
RNA,
reversible
dynamic
modification
posttranscriptional
mRNA.
Evidences
suggest
that
m6A
modifications
play
crucial
role
regulating
biological
processes
all
kinds
diseases,
such
malignancy.
Recently
studies
have
revealed
most
abundant
epigentic
modification,
involved
progression
SSD.
However,
function
SSD
not
fully
illustrated.
Therefore,
make
clear
relationship
between
pathogenesis
might
provide
novel
sights
for
prevention
targeted
treatment
This
article
will
summarize
recent
advances
regulation
SSD,
including
osteoporosis,
osteosarcoma,
rheumatoid
arthritis
osteoarthritis,
discuss
potential
clinical
value,
research
challenge
future
prospect
Arthritis Research & Therapy,
Journal Year:
2024,
Volume and Issue:
26(1)
Published: Feb. 22, 2024
Abstract
Background
Rheumatoid
arthritis
(RA)
is
a
chronic
inflammatory
disease
that
causes
disability
worldwide.
Exosomes
released
by
fibroblast-like
synoviocytes
in
RA
(RA-FLSs-Exos)
play
role
the
development
of
RA,
and
circular
RNAs
(circRNAs)
are
important
for
progression.
This
study
aimed
to
investigate
molecular
mechanisms
underlying
effects
RA-FLSs-Exos
identify
potential
pathway
responsible
these
effects.
Methods
We
initially
conducted
microarray
analysis
dysregulated
circRNAs
exosomes
associated
with
RA.
then
co-cultured
isolated
chondrocytes
examine
their
In
vivo
experiments
were
performed
using
collagen-induced
mouse
models,
circFTO
knockdown
was
achieved
through
intra-articular
injection
AAV5
vectors.
Results
Our
findings
revealed
increased
expression
both
synovial
tissues
from
patients
Exosomal
hindered
chondrocyte
proliferation,
migration,
anabolism
while
promoting
apoptosis
catabolism.
Mechanistically,
we
discovered
facilitates
formation
methyltransferases
complex
suppress
SRY-related
high-mobility
group
box
9
(SOX9)
assistance
YTH
domain
family
2
(YTHDF2)
an
m6A-dependent
mechanism.
Furthermore,
inhibition
improved
symptoms
vivo.
Conclusion
Taken
together,
our
demonstrates
exosomal
derived
FLSs
contributes
progression
targeting
SOX9.
These
highlight
promising
target
treating
Arthritis & Rheumatology,
Journal Year:
2024,
Volume and Issue:
76(6), P. 845 - 856
Published: Jan. 15, 2024
The
specific
role
of
fibroblast-like
synoviocytes
(FLSs)
in
the
pathogenesis
rheumatoid
arthritis
(RA)
is
still
not
fully
elucidated.
This
study
aimed
to
explore
molecular
mechanisms
epigenetic
pathways,
including
three
factors,
microRNA
(miRNA)-22
(MIR22),
ten-eleven
translocation
methylcytosine
dioxygenase
3
(TET3),
and
MT-RNR2
like
2
(MTRNR2L2),
RA-FLSs.
Frontiers in Immunology,
Journal Year:
2024,
Volume and Issue:
15
Published: July 12, 2024
N
6
-methyladenosine
(m
A)
is
a
chemical
modification
of
RNA
and
has
become
widely
discussed
topic
among
scientific
researchers
in
recent
years.
It
distributed
various
organisms,
including
eukaryotes
bacteria.
been
found
that
m
A
composed
writers,
erasers
readers
involved
biological
functions
such
as
splicing,
transport
translation
RNA.
The
balance
the
human
immune
microenvironment
important
for
health
abnormalities.
Increasing
studies
have
affects
development
diseases
inflammatory
enteritis
systemic
lupus
erythematosus
(SLE)
by
participating
homeostatic
regulation
vivo
.
In
this
manuscript,
we
introduce
composition,
function,
its
progression
diseases,
providing
new
targets
directions
treatment
clinical
practice.