Frontiers in Oncology,
Journal Year:
2023,
Volume and Issue:
13
Published: March 28, 2023
As
oncogenes
or
tumor
suppressor
genes,
lncRNAs
played
an
important
role
in
tumorigenesis
and
the
progression
of
human
cancers.
The
lncRNA
SNHG15
has
recently
been
revealed
to
be
dysregulated
malignant
tumors,
suggesting
aberrant
expression
which
contributes
clinical
features
regulates
various
oncogenic
processes.
We
have
selected
extensive
literature
focused
on
from
electronic
databases,
including
studies
relevant
its
significance
critical
events
cancer-related
processes
such
as
cell
proliferation,
apoptosis,
autophagy,
metastasis,
drug
resistance.
This
review
summarized
current
understanding
cancer,
mainly
focusing
pathological
features,
known
biological
functions,
underlying
molecular
mechanisms.
Furthermore,
well-documented
effective
diagnostic
prognostic
marker
for
offering
novel
therapeutic
interventions
specific
subsets
cancer
cells.
Frontiers in Genetics,
Journal Year:
2022,
Volume and Issue:
13
Published: April 6, 2022
N6-methyladenosine
(m6A),
N1-methyladenosine
(m1A),
5-methylcytosine
(m5C),
and
7-methylguanosine
(m7G)
are
the
major
forms
of
RNA
methylation
modifications,
which
closely
associated
with
development
many
tumors.
However,
prognostic
value
methylation-related
long
non-coding
RNAs
(lncRNAs)
in
colon
cancer
(CC)
has
not
been
defined.
This
study
summarised
50
m6A/m1A/m5C/m7G-related
genes
downloaded
41
normal
471
CC
tumor
samples
RNA-seq
data
clinicopathological
information
from
The
Cancer
Genome
Atlas
(TCGA)
database.
A
total
1057
lncRNAs
(RMlncRNAs)
were
identified
Pearson
correlation
analysis.
Twenty-three
RMlncRNAs
values
screened
using
univariate
Cox
regression
By
consensus
clustering
analysis,
patients
classified
into
two
molecular
subtypes
(Cluster
1
Cluster
2)
different
clinical
outcomes
immune
microenvironmental
infiltration
characteristics.
2
was
considered
to
be
"hot
tumor"
a
better
prognosis,
while
cluster
regarded
as
"cold
poorer
prognosis.
Subsequently,
we
constructed
seven-lncRNA
signature
least
absolute
shrinkage
selection
operator
(LASSO)
regression.
In
combination
other
traits,
found
that
lncRNA
(called
"RMlnc-score")
an
independent
factor
for
cancer.
addition,
infiltration,
immunotherapy
response
half-maximum
inhibitory
concentration
(IC50)
showed
low
RMlnc-score
group
more
sensitive
immunotherapy,
high
chemotherapeutic
agents.
summary,
developed
could
used
predict
response,
drug
sensitivity
patients,
guiding
accurate,
personalized
treatment
regimens.
Molecular Therapy,
Journal Year:
2022,
Volume and Issue:
31(2), P. 308 - 330
Published: Oct. 29, 2022
N1-methyladenosine
(m1A)
is
an
adenosine
moiety
whose
N1-position
methylated.
m1A
methylation
a
prevalent,
abundant,
and
conserved
internal
post-transcriptional
modification
among
prokaryotic
eukaryotic
RNAs,
especially
in
higher
cells.
Numerous
studies
have
revealed
that
plays
critical
role
the
biogenesis
of
various
thereby
regulating
different
biological
functions
pathogenesis.
In
this
review,
we
systematically
comprehensively
summarize
installation,
removal,
recognition
highlight
effects
on
metabolism
RNAs.
We
emphasize
importance
both
growth
organisms
pathogenesis
diseases,
particularly
cancers.
Finally,
also
focused
fact
excretion
human
urine
strongly
associated
with
progression
variety
suggest
levels
can
be
quantified
for
early
diagnosis
some
diseases
as
well
monitoring
during
disease
evolution.
Frontiers in Immunology,
Journal Year:
2025,
Volume and Issue:
16
Published: Feb. 17, 2025
Objective
Esophageal
cancer
(EC)
is
characterized
by
a
high
degree
of
malignancy
and
poor
prognosis.
N6-methyladenosine
(m6A),
prominent
post-transcriptional
modification
mRNA
in
mammalian
cells,
plays
pivotal
role
regulating
various
cellular
biological
processes.
Similarly,
cuproptosis
has
garnered
attention
for
its
potential
implications
biology.
This
study
seeks
to
elucidate
the
impact
m6A-
cuproptosis-related
long
non-coding
RNAs
(m6aCRLncs)
on
prognosis
patients
with
EC.
Methods
The
EC
transcriptional
data
corresponding
clinical
information
were
retrieved
from
Cancer
Genome
Atlas
(TCGA)
database,
comprising
11
normal
samples
159
samples.
Data
23
m6A
regulators
25
genes
sourced
latest
literature.
m6aCRLncs
linked
identified
through
co-expression
analysis.
Differentially
expressed
associated
screened
using
limma
package
R
univariate
Cox
regression
Subtype
clustering
was
performed
classify
patients,
enabling
investigation
differences
outcomes
immune
microenvironment
across
patient
clusters.
A
risk
prognostic
model
constructed
least
absolute
shrinkage
selection
operator
(LASSO)
regression.
Its
robustness
evaluated
survival
analysis,
stratification
curves,
receiver
operating
characteristic
(ROC)
curves.
Additionally,
model’s
applicability
features
molecular
subtypes
assessed.
To
further
explore
utility
predicting
microenvironment,
single-sample
gene
set
enrichment
analysis
(ssGSEA),
cell
infiltration
checkpoint
differential
expression
conducted.
Drug
sensitivity
identify
therapeutic
agents
Finally,
levels
lines
validated
reverse
transcription
quantitative
polymerase
chain
reaction
(RT-qPCR).
Results
We
developed
based
five
m6aCRLncs,
namely
ELF3-AS1,
HNF1A-AS1,
LINC00942,
LINC01389,
MIR181A2HG,
predict
characterize
patients.
Analysis
revealed
significant
cluster
distribution,
disease
stage,
N
stage
between
high-
low-risk
groups.
Immune
profiling
distinct
populations
functional
pathways
scores,
including
positive
correlations
naive
B
resting
CD4+
T
plasma
negative
macrophages
M0
M1.
we
key
checkpoint-related
groups,
TNFRSF14,
TNFSF15,
TNFRSF18,
LGALS9,
CD44,
HHLA2,
CD40.
Furthermore,
nine
candidate
drugs
efficacy
identified:
Bleomycin,
Cisplatin,
Cyclopamine,
PLX4720,
Erlotinib,
Gefitinib,
RO.3306,
XMD8.85,
WH.4.023.
RT-qPCR
validation
demonstrated
that
ELF3-AS1
significantly
upregulated
KYSE-30
KYSE-180
compared
esophageal
epithelial
cells.
Conclusion
elucidates
shaping
it
identifies
against
These
findings
hold
promise
enhancing
provide
valuable
insights
inform
decision-making
management
this
disease.
Frontiers in Pharmacology,
Journal Year:
2025,
Volume and Issue:
16
Published: April 15, 2025
Background
Endocrine
therapy
combined
with
CDK4/6
inhibitors
remains
a
standard
treatment
for
ER+
breast
cancer,
yet
resistance
is
prevalent
challenge.
This
study
explores
the
role
of
N6-methyladenosine
(m6A)
modifications,
influenced
by
m6A-SNPs,
in
shaping
resistance,
utilizing
single-cell
RNA
sequencing
to
delineate
underlying
molecular
mechanisms.
Methods
We
integrated
genome-wide
association
data
transcriptomic
profiles
from
cancer
patients,
focusing
on
differences
between
resistant
and
sensitive
responses
inhibitors.
m6A-SNPs
were
identified
analyzed
their
impact
gene
expression
interactions
RNA-binding
proteins,
particular
focus
roles
within
key
cellular
pathways.
Results
The
crucial
associated
resistance.
Notably,
changes
FILIP1L
TOM1L1,
related
these
SNPs,
mapped
using
pseudotime
trajectory
analysis,
which
traced
evolution
states.
TOM1L1
exhibited
dynamic
along
trajectory,
correlating
significant
shifts
cell
fate
decisions.
These
findings
underscore
potential
as
mediators
development
particularly
through
involvement
PI3K-Akt
Wnt
signaling
pathways,
critical
progression
drug
Conclusion
Our
emphasize
importance
influencing
cancer.
regulation
developmental
tumor
cells
sensitivity
provides
insights
into
complexity
results
pave
way
developing
targeted
therapies
that
modify
m6A-driven
offering
new
strategies
counteract
improve
patient
outcomes.
Frontiers in Genetics,
Journal Year:
2024,
Volume and Issue:
15
Published: Feb. 28, 2024
Introduction:
Post-transcriptional
RNA
modifications
are
crucial
regulators
of
tumor
development
and
progression.
In
many
biological
processes,
N
1
-methyladenosine
(m
A)
plays
a
key
role.
However,
little
is
known
about
the
links
between
chemical
messenger
RNAs
(mRNAs)
long
noncoding
(lncRNAs)
their
function
in
bladder
cancer
(BLCA).
Methods:
Methylated
immunoprecipitation
sequencing
were
performed
to
profile
mRNA
lncRNA
m
A
methylation
expression
BLCA
cells,
with
or
without
stable
knockdown
methyltransferase
tRNA
61A
(TRMT61A).
Results:
The
analysis
differentially
methylated
gene
sites
identified
16,941
peaks,
6,698
mRNAs,
10,243
lncRNAs
two
groups.
Gene
ontology
enrichment
Kyoto
Encyclopedia
Genes
Genomes
pathway
analyses
expressed
transcripts
showed
that
A-regulated
mainly
related
protein
binding
signaling
pathways
cancer.
addition,
genes
also
A-modified
14
mRNAs
19
lncRNAs.
Next,
these
used
construct
lncRNA-microRNA-mRNA
competing
endogenous
network,
which
included
118
miRNAs,
15
lncRNAs,
8
mRNAs.
Finally,
transcripts,
SCN2B
ENST00000536140,
highly
tissues,
associated
decreased
overall
patient
survival.
Discussion:
This
study
revealed
substantially
different
amounts
distributions
after
TRMT61A
predicted
cellular
functions
may
be
involved,
providing
evidence
implicates
epitranscriptomic
regulation
tumorigenesis
MedComm,
Journal Year:
2024,
Volume and Issue:
5(9)
Published: Sept. 1, 2024
Abstract
N6‐methyladenosine
(m6A)
is
the
most
abundant
modification
of
RNA
in
eukaryotic
cells.
Previous
studies
have
shown
that
m6A
pivotal
diverse
diseases
especially
cancer.
corelates
with
initiation,
progression,
resistance,
invasion,
and
metastasis
However,
despite
these
insights,
a
comprehensive
understanding
its
specific
roles
mechanisms
within
complex
landscape
cancer
still
elusive.
This
review
begins
by
outlining
key
regulatory
proteins
their
posttranslational
modifications
(PTMs),
as
well
role
chromatin
accessibility
transcriptional
activity
Additionally,
it
highlights
impact
progression
modulating
programmed
cell
death
affecting
tumor
microenvironment
through
various
cancer‐associated
immune
Furthermore,
discusses
how
microorganisms
can
induce
enduring
epigenetic
changes
oncogenic
effect
microorganism‐associated
cancers
altering
modifications.
Last,
delves
into
immunotherapy,
encompassing
therapy,
checkpoint
blockade,
cytokine
adoptive
transfer
direct
targeting
regulators.
Overall,
this
clarifies
multifaceted
explores
targeted
therapies
aimed
at
manipulating
modification,
aiming
to
advance
research
improve
patient
outcomes.
Cancers,
Journal Year:
2023,
Volume and Issue:
15(6), P. 1800 - 1800
Published: March 16, 2023
N1-methyladenosine
(m1A)
and
long
non-coding
RNAs
(lncRNAs)
play
significant
roles
in
tumor
progression
hepatocellular
carcinoma
(HCC).
However,
their
association
with
HCC
is
still
unclear.
In
this
study,
lncRNAs
related
to
m1A
were
extracted
from
the
mRNA
expression
matrix
The
Cancer
Genome
Atlas
(TCGA)
database.
Five
m1A-related
(AL031985.3,
NRAV,
WAC-AS1,
AC026412.3,
AC099850.4)
identified
based
on
lasso
Cox
regression
they
generated
a
prognostic
signature
of
HCC.
was
as
an
independent
prognosis
factor
patients.
Moreover,
achieved
better
performance
than
TP53
mutation
status
or
mutational
burden
(TMB)
scores
stratification
patient
survival.
immune
landscape
indicated
that
most
checkpoint
genes
cells
distributed
differently
between
both
risk
groups.
A
higher
IC50
chemotherapeutics
(sorafenib,
nilotinib,
sunitinib,
gefitinib)
observed
high-risk
group,
lower
gemcitabine
low-risk
suggesting
potential
chemosensitivity.
addition,
fifty-five
small
molecular
drugs
found
drug
sensitivity
NRAV
expression.
Together,
five
could
be
promising
prediction
approach
therapeutic
response
assessment
tool
for
Frontiers in Genetics,
Journal Year:
2022,
Volume and Issue:
13
Published: Sept. 30, 2022
Lung
adenocarcinoma
(LUAD)
is
the
most
prevalent
subtype
of
non-small
cell
lung
cancer
(NSCLC)
and
associated
with
high
mortality
rates.
However,
effective
methods
to
guide
clinical
therapeutic
strategies
for
LUAD
are
still
lacking.
The
goals
this
study
were
analyze
relationship
between
an
m5C/m6A-related
signature
construct
a
novel
model
evaluating
prognosis
predicting
drug
resistance
immunotherapy
efficacy.
We
obtained
data
from
patients
Cancer
Genome
Atlas
(TCGA)
Gene
Expression
Omnibus
(GEO)
datasets.
Based
on
differentially
expressed
genes,
we
identified
distinct
modification
subtypes
in
by
unsupervised
clustering
compared
differences
functions
pathways
different
clusters.
In
addition,
risk
was
constructed
using
multivariate
Cox
regression
analysis
based
prognostic
genes
predict
response.
showed
landscape
36
m5C/m6A
regulators
TCGA-LUAD
samples
29
normal
groups.
Two
genes.
Compared
cluster
2,
1
had
lower
regulator
expression,
higher
OS
(overall
survival),
immune
activity,
abundance
infiltrating
cells.
Four
gene
signatures
consisting
HNRNPA2B1,
IGF2BP2,
NSUN4,
ALYREF
used
model,
high-risk
group
worse
prognosis,
checkpoint
tumor
mutational
burden
(TMB).
treated
immunotherapy,
scores
expression
better
immunotherapeutic
efficacy
than
those
low-risk
scores.
concluded
that
regulator-related
could
serve
as
biomarker
sensitivity
chemotherapy
immunotherapy.