The role and mechanism of m6A methylation in diabetic nephropathy
Life Sciences,
Journal Year:
2025,
Volume and Issue:
363, P. 123355 - 123355
Published: Jan. 6, 2025
Language: Английский
Balancing inflammation: the specific roles of serum amyloid A proteins in sterile and infectious diseasese
Frontiers in Immunology,
Journal Year:
2025,
Volume and Issue:
16
Published: Feb. 10, 2025
Serum
Amyloid
A
(SAA)
proteins
are
acute-phase
reactants
with
critical
roles
in
sterile
and
bacterial
inflammation.
Through
vitro
vivo
experiments,
we
demonstrate
that
SAA
amplify
cytokine
chemokine
responses
during
inflammation
enhance
clearance
infectious
conditions.
Mechanistically,
augment
NF-κB
signaling,
driving
pro
anti-inflammatory
mediator
production.
SAA-/-
mice
carrying
a
deletion
of
the
Saa1,
Saa2,
Saa3,
Saa4
serum
amyloid
genes
have
better
survival
rates
sepsis
but
more
prone
to
than
their
SAA+/+
counterparts,
emphasizing
dual
functionality
immune
regulation.
Overexpression
macrophages
enhances
NF-κB-mediated
pro-inflammatory
production
infection.
Together,
our
results
show
key
modulators
inflammation,
distinct
mechanisms
tailored
contexts.
Language: Английский
Vaccarin ameliorates osteoarthritis by suppressing the c-Jun N-terminal kinase (JNK)-serum amyloid A2 (SAA2) pathway mediating chondrocyte senescence
Xin Gan,
No information about this author
Jianwen Li,
No information about this author
Yongqiao Jiang
No information about this author
et al.
Phytomedicine,
Journal Year:
2025,
Volume and Issue:
unknown, P. 156697 - 156697
Published: March 1, 2025
Osteoarthritis
is
a
chronic
degenerative
joint
disease
marked
by
chondrocyte
senescence
and
extracellular
matrix
degradation.
Vaccarin,
flavonoid
with
anti-inflammatory
antioxidant
properties,
has
not
been
previously
investigated
for
its
therapeutic
potential
in
osteoarthritis.
To
evaluate
the
of
Vaccarin
osteoarthritis
elucidate
underlying
mechanisms.
This
study
utilized
vitro
cultures
RNA
sequencing
to
identify
relevant
pathways,
followed
validation
at
genetic,
protein,
metabolic
levels
using
multiple
approaches.
Additionally,
effects
were
assessed
vivo
destabilization
medial
meniscus
(DMM)-induced
mouse
model
human
cartilage
samples
from
patients.
effectively
ameliorated
both
vitro.
Transcriptomic
indicated
significant
downregulation
serum
amyloid
A2
(SAA2)
expression
following
treatment.
Multi-omics
analysis,
validated
specimens,
that
SAA2
minimally
secreted
healthy
articular
but
serves
as
crucial
biomarker
Asian
populations.
Mechanistically,
inhibits
c-Jun
N-terminal
kinase
(JNK)
phosphorylation,
thereby
reducing
mitigating
inflammation
senescence.
Notably,
inflammatory
conditions
upregulate
chondrocytes
via
JNK
pathway.
Elevated
contribute
mitochondrial
dysfunction
chondrocytes,
leading
increased
reactive
oxygen
species
(ROS)
production
exacerbating
progression.
identifies
target
suggests
presents
promising
treatment
avenue.
Language: Английский
Landscape analysis of m6A modification regulators reveals LRPPRC as a key modulator in tubule cells for DKD: a multi-omics study
Li Jiang,
No information about this author
Haijun Yu,
No information about this author
Jie Jian
No information about this author
et al.
Frontiers in Pharmacology,
Journal Year:
2025,
Volume and Issue:
16
Published: April 4, 2025
Background
Diabetic
Kidney
Disease
(DKD)
is
a
serious
complication
of
diabetes,
imposing
substantial
medical
burden.
The
significance
N6-methyladenosine
(m6A)
modification
in
the
pathogenesis
DKD
has
become
increasingly
prominent.
Aim
This
study
aimed
to
investigate
specific
expression
patterns
m6A
geneset
DKD.
Method
Bulk
RNA,
single-cell
and
spatial
transcriptome
were
utilized
clarify
hub
gene.
3
types
machine
learning
algorithms
applied.
possible
compounds
screened
based
on
DSigDB
database.
Result
GSEA
revealed
potential
m6a-associated
pathways
such
as
cGMP-PKG
pathway.
GSVA
showed
that
two
m6a
regulation,
namely
m6a-readers
m6a-writers,
generally
suppressed
patients.
output
algorithm
differential
analysis
determined
LRPPRC
was
downregulated
LOH,
PODO,
CT,
CD-ICB
cell
populations,
most
which
tubular
cells.
It
exhibited
decreasing
trend
over
time,
particularly
pronounced
LOH
low
activity
mainly
detected
injured
renal
tubules.
In
clinical
patients,
levels
mRNA
tendency
be
correlations
with
Glomerular
Filtration
Rate
(GFR)
proteinuria
according
Nephroseq
lobeline
might
an
important
compound
involved
regulation
other
genes.
Its
actual
efficacy
needs
verified
vivo
or
vitro
.
Language: Английский
N6-methyladenine RNA methylation epigenetic modification and diabetic microvascular complications
Yuanyuan Wang,
No information about this author
Jiayun Zou,
No information about this author
Hua Zhou
No information about this author
et al.
Frontiers in Endocrinology,
Journal Year:
2024,
Volume and Issue:
15
Published: Sept. 4, 2024
N6-methyladensine
(m
Language: Английский
m6A Ribonucleic Acid Methylation in Fibrotic Diseases of Visceral Organs
Xiaoniu Dai,
No information about this author
Yusi Cheng,
No information about this author
Wei Luo
No information about this author
et al.
Small Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 21, 2024
Fibrosis
is
a
pathological
process
characterized
by
the
excessive
deposition
of
extracellular
matrix
in
tissue's
space,
leading
to
structural
injury
and
organ
dysfunction,
even
failure,
posing
threat
human
life.
Despite
mounting
evidence
suggesting
that
fibrosis
reversible,
effective
treatments
for
fibrotic
diseases
are
lacking.
Accumulating
has
elucidated
ribonucleic
acid
(RNA)
modifications
have
emerged
as
novel
mechanisms
regulating
gene
expression.
N6‐methyladenosine
(m6A)
modification
well‐known
prevalent
RNA
posttranscriptional
participates
essential
biological
processes
such
splicing,
translation,
degradation.
It
tightly
implicated
wide
range
cellular
various
diseases,
particularly
fibrosis.
The
m6A
dynamic
reversible
regulated
methylases,
commonly
known
“writers,”
demethylases
referred
“erasers,”
while
recognized
“readers.”
suggests
on
RNAs
associated
with
visceral
organs
including
lungs,
heart,
liver,
kidney.
In
this
review,
recent
advances
impact
methylation
highlighted
potential
prospects
therapy
treating
discussed.
Language: Английский