MedComm,
Journal Year:
2025,
Volume and Issue:
6(1)
Published: Jan. 1, 2025
Abstract
RNA
modifications
are
emerging
as
critical
cancer
regulators
that
influence
tumorigenesis
and
progression.
Key
modifications,
such
N6‐methyladenosine
(m
6
A)
5‐methylcytosine
5
C),
implicated
in
various
cellular
processes.
These
regulated
by
proteins
write,
erase,
read
modulate
stability,
splicing,
translation,
degradation.
Recent
studies
have
highlighted
their
roles
metabolic
reprogramming,
signaling
pathways,
cell
cycle
control,
which
essential
for
tumor
proliferation
survival.
Despite
these
scientific
advances,
the
precise
mechanisms
affect
remain
inadequately
understood.
This
review
comprehensively
examines
role
play
proliferation,
metastasis,
programmed
death,
including
apoptosis,
autophagy,
ferroptosis.
It
explores
effects
on
epithelial–mesenchymal
transition
(EMT)
immune
microenvironment,
particularly
metastasis.
Furthermore,
modifications’
potential
therapies,
conventional
treatments,
immunotherapy,
targeted
is
discussed.
By
addressing
aspects,
this
aims
to
bridge
current
research
gaps
underscore
therapeutic
of
targeting
improve
treatment
strategies
patient
outcomes.
Journal of Hematology & Oncology,
Journal Year:
2022,
Volume and Issue:
15(1)
Published: May 19, 2022
Abstract
N
7
-methylguanosine
(m7G),
one
of
the
most
prevalent
RNA
modifications,
has
recently
attracted
significant
attention.
The
m7G
modification
actively
participates
in
biological
and
pathological
functions
by
affecting
metabolism
various
molecules,
including
messenger
RNA,
ribosomal
microRNA,
transfer
RNA.
Increasing
evidence
indicates
a
critical
role
for
human
disease
development,
especially
cancer,
aberrant
levels
are
closely
associated
with
tumorigenesis
progression
via
regulation
expression
multiple
oncogenes
tumor
suppressor
genes.
Currently,
underlying
molecular
mechanisms
cancer
not
comprehensively
understood.
Here,
we
review
current
knowledge
regarding
potential
function
modifications
discuss
future
m7G-related
diagnostic
therapeutic
strategies.
Signal Transduction and Targeted Therapy,
Journal Year:
2023,
Volume and Issue:
8(1)
Published: May 22, 2023
Abstract
Over
decades,
researchers
have
focused
on
the
epigenetic
control
of
DNA-templated
processes.
Histone
modification,
DNA
methylation,
chromatin
remodeling,
RNA
and
noncoding
RNAs
modulate
many
biological
processes
that
are
crucial
to
development
cancers.
Dysregulation
epigenome
drives
aberrant
transcriptional
programs.
A
growing
body
evidence
suggests
mechanisms
modification
dysregulated
in
human
cancers
might
be
excellent
targets
for
tumor
treatment.
Epigenetics
has
also
been
shown
influence
immunogenicity
immune
cells
involved
antitumor
responses.
Thus,
application
therapy
cancer
immunotherapy
their
combinations
may
important
implications
Here,
we
present
an
up-to-date
thorough
description
how
modifications
cell
responses
microenvironment
(TME)
epigenetics
internally
modify
TME.
Additionally,
highlight
therapeutic
potential
targeting
regulators
immunotherapy.
Harnessing
complex
interplay
between
immunology
develop
therapeutics
combine
thereof
is
challenging
but
could
yield
significant
benefits.
The
purpose
this
review
assist
understanding
impact
TME,
so
better
immunotherapies
can
developed.
Cancer Communications,
Journal Year:
2022,
Volume and Issue:
42(3), P. 223 - 244
Published: Feb. 18, 2022
Cancer
cells
selectively
promote
the
translation
of
oncogenic
transcripts
to
stimulate
cancer
progression.
Although
growing
evidence
has
revealed
that
tRNA
modifications
and
related
genes
participate
in
this
process,
their
roles
head
neck
squamous
cell
carcinoma
(HNSCC)
remain
largely
uncharacterized.
Here,
we
sought
investigate
function
mechanisms
transfer
RNA
(tRNA)
N7-methylguanosine
(m7
G)
modification
regulating
occurrence
development
HNSCC.Cell
lost-of-function
gain-of-function
assays,
xenograft
models,
conditional
knockout
knockin
mouse
models
were
used
study
physiological
functions
m7
G
HNSCC
tumorigenesis.
expression
profiling,
mRNA
profiling
rescue
assays
performed
uncover
underlying
molecular
mechanisms.
Single-cell
sequencing
(scRNA-seq)
was
conducted
explore
tumor
microenvironment
changes.The
methyltransferase
complex
components
Methyltransferase-like
1
(METTL1)/WD
repeat
domain
4
(WDR4)
upregulated
associated
with
a
poor
prognosis.
Functionally,
METTL1/WDR4
promoted
progression
metastasis
cell-based
transgenic
models.
Mechanistically,
ablation
METTL1
reduced
levels
16
tRNAs,
inhibiting
subset
transcripts,
including
phosphatidylinositol-3-kinase/protein
kinase
B/mammalian
target
rapamycin
(PI3K/AKT/mTOR)
signaling
pathway.
In
addition,
chemical
modulators
PI3K/Akt/mTOR
pathway
reversed
effects
Mettl1
HNSCC.
Furthermore,
scRNA-seq
results
altered
immune
landscape
cell-cell
interaction
between
stromal
compartment.The
found
malignancy
through
global
translation,
PI3K/AKT/mTOR
pathway,
alter
landscape.
could
be
promising
treatment
for
patients.
Nature Communications,
Journal Year:
2022,
Volume and Issue:
13(1)
Published: March 18, 2022
Abstract
Mis-regulated
RNA
modifications
promote
the
processing
and
translation
of
oncogenic
mRNAs
to
facilitate
cancer
progression,
while
molecular
mechanisms
remain
unclear.
Here
we
reveal
that
tRNA
m
7
G
methyltransferase
complex
proteins
METTL1
WDR4
are
significantly
up-regulated
in
esophageal
squamous
cell
carcinoma
(ESCC)
tissues
associated
with
poor
ESCC
prognosis.
In
addition,
progression
via
activity
vitro
vivo.
Mechanistically,
or
knockdown
leads
decreased
expression
G-modified
tRNAs
reduces
a
subset
transcripts
enriched
RPTOR/ULK1/autophagy
pathway.
Furthermore,
models
using
Mettl1
conditional
knockout
knockin
mice
uncover
essential
function
promoting
tumorigenesis
Our
study
demonstrates
important
mis-regulated
modification
ESCC,
suggest
targeting
its
downstream
signaling
axis
could
be
promising
therapeutic
target
for
treatment.
Molecular Biomedicine,
Journal Year:
2023,
Volume and Issue:
4(1)
Published: Aug. 24, 2023
Abstract
RNA
modifications
are
dynamic
and
reversible
chemical
on
substrate
that
regulated
by
specific
modifying
enzymes.
They
play
important
roles
in
the
regulation
of
many
biological
processes
various
diseases,
such
as
development
cancer
other
diseases.
With
help
advanced
sequencing
technologies,
role
has
caught
increasing
attention
human
diseases
scientific
research.
In
this
review,
we
briefly
summarized
basic
mechanisms
several
common
modifications,
including
m6A,
m5C,
m1A,
m7G,
Ψ,
A-to-I
editing
ac4C.
Importantly,
discussed
their
potential
functions
cancer,
neurological
disorders,
cardiovascular
metabolic
genetic
developmental
well
immune
disorders.
Through
“writing-erasing-reading”
mechanisms,
regulate
stability,
translation,
localization
pivotal
disease-related
mRNAs
to
manipulate
disease
development.
Moreover,
also
highlighted
review
all
currently
available
RNA-modifier-targeting
small
molecular
inhibitors
or
activators,
most
which
designed
against
m6A-related
enzymes,
METTL3,
FTO
ALKBH5.
This
provides
clues
for
clinical
therapy
future
study
directions
modification
field.
More
in-depth
studies
further
activators
needed
a
thorough
understanding
epitranscriptomics
diagnosis,
treatment,
prognosis
Journal of Hematology & Oncology,
Journal Year:
2023,
Volume and Issue:
16(1)
Published: Aug. 2, 2023
Abstract
RNA
modification
has
recently
become
a
significant
process
of
gene
regulation,
and
the
methyltransferase-like
(METTL)
family
proteins
plays
critical
role
in
modification,
methylating
various
types
RNAs,
including
mRNA,
tRNA,
microRNA,
rRNA,
mitochondrial
RNAs.
METTL
consist
unique
seven-beta-strand
domain,
which
binds
to
methyl
donor
SAM
catalyze
transfer.
The
most
typical
member
METTL3/METTL14
forms
methyltransferase
complex
involved
N
6-methyladenosine
(m6A)
RNA,
regulating
tumor
proliferation,
metastasis
invasion,
immunotherapy
resistance,
metabolic
reprogramming
cells.
METTL1,
METTL4,
METTL5,
METTL16
have
also
been
identified
some
regulatory
ability
tumorigenesis,
rest
members
rely
on
their
activity
for
methylation
different
nucleotides,
proteins,
small
molecules,
regulate
translation
affect
processes
such
as
cell
differentiation
development.
Herein,
we
summarize
literature
METTLs
last
three
years
elucidate
roles
human
cancers
provide
theoretical
basis
future
use
potential
therapeutic
targets.
Molecular Cancer,
Journal Year:
2024,
Volume and Issue:
23(1)
Published: Aug. 30, 2024
Drug
resistance
in
cancer
cells
significantly
diminishes
treatment
efficacy,
leading
to
recurrence
and
metastasis.
A
critical
factor
contributing
this
is
the
epigenetic
alteration
of
gene
expression
via
RNA
modifications,
such
as
N6-methyladenosine
(m6A),
N1-methyladenosine
(m1A),
5-methylcytosine
(m5C),
7-methylguanosine
(m7G),
pseudouridine
(Ψ),
adenosine-to-inosine
(A-to-I)
editing.
These
modifications
are
pivotal
regulating
splicing,
translation,
transport,
degradation,
stability.
Governed
by
"writers,"
"readers,"
"erasers,"
impact
numerous
biological
processes
progression,
including
cell
proliferation,
stemness,
autophagy,
invasion,
apoptosis.
Aberrant
can
lead
drug
adverse
outcomes
various
cancers.
Thus,
targeting
modification
regulators
offers
a
promising
strategy
for
overcoming
enhancing
efficacy.
This
review
consolidates
recent
research
on
role
prevalent
resistance,
with
focus
m6A,
m1A,
m5C,
m7G,
Ψ,
A-to-I
Additionally,
it
examines
regulatory
mechanisms
linked
underscores
existing
limitations
field.