Over
the
past
decade,
advancements
in
epitranscriptomics
have
significantly
enhanced
our
understanding
of
mRNA
metabolism
and
its
role
human
development
diseases.
This
period
has
witnessed
breakthroughs
sequencing
technologies
identification
key
proteins
involved
RNA
modification
processes.
Alongside
well-studied
m
6
A,
Ψ
1
A
emerged
as
epitranscriptomic
markers.
Initially
identified
through
transcriptome-wide
profiling,
these
modifications
are
now
recognized
for
their
broad
impact
on
gene
expression.
In
this
Perspective,
we
focus
detections
functions
discuss
previous
discrepancies
future
challenges.
We
summarize
recent
advances
highlight
latest
stoichiometric
detection
mechanistic
investigations
functional
unveiling
new
research
directions.
Molecular Biomedicine,
Год журнала:
2023,
Номер
4(1)
Опубликована: Авг. 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
Chemical Reviews,
Год журнала:
2024,
Номер
124(3), С. 929 - 1033
Опубликована: Янв. 29, 2024
RNA-based
therapies
have
catalyzed
a
revolutionary
transformation
in
the
biomedical
landscape,
offering
unprecedented
potential
disease
prevention
and
treatment.
However,
despite
their
remarkable
achievements,
these
encounter
substantial
challenges
including
low
stability,
susceptibility
to
degradation
by
nucleases,
prominent
negative
charge,
thereby
hindering
further
development.
Chemically
modified
platforms
emerged
as
strategic
innovation,
focusing
on
precise
alterations
either
RNA
moieties
or
associated
delivery
vectors.
This
comprehensive
review
delves
into
platforms,
underscoring
significance
augmenting
performance
translational
prospects
of
therapeutics.
It
encompasses
an
in-depth
analysis
various
chemically
that
been
instrumental
propelling
therapeutics
toward
clinical
utility.
Moreover,
scrutinizes
rationale
behind
diverse
chemical
modification
techniques
aiming
at
optimizing
therapeutic
efficacy
molecules,
facilitating
robust
management.
Recent
empirical
studies
corroborating
enhancement
through
modifications
are
highlighted.
Conclusively,
we
offer
profound
insights
transformative
impact
drugs
delineates
prospective
trajectories
for
future
development
integration.
Proceedings of the National Academy of Sciences,
Год журнала:
2024,
Номер
121(13)
Опубликована: Март 21, 2024
The
use
of
lipid
nanoparticles
(LNP)
to
encapsulate
and
deliver
mRNA
has
become
an
important
therapeutic
advance.
In
addition
vaccines,
LNP-mRNA
can
be
used
in
many
other
applications.
For
example,
targeting
the
LNP
with
anti-CD5
antibodies
(CD5/tLNP)
allow
for
efficient
delivery
payloads
T
cells
express
protein.
As
percentage
protein
expressing
induced
by
intravenous
injection
CD5/tLNP
is
relatively
low
(4-20%),
our
goal
was
find
ways
increase
mRNA-induced
translation
efficiency.
We
showed
that
cell
activation
using
anti-CD3
antibody
improved
expression
after
transfection
vitro
but
not
vivo.
health
increased
cytokines,
therefore,
mCherry
as
a
reporter,
we
found
culturing
either
mouse
or
human
cytokine
IL7
significantly
delivered
both
CD4
+
CD8
vitro.
By
pre-treating
mice
systemic
followed
tLNP
administration,
observed
Transcriptomic
analysis
treated
revealed
enhanced
genomic
pathways
associated
translation.
Improved
translational
ability
demonstrated
showing
levels
electroporation
cultured
presence
IL7,
IL2
IL15.
These
data
show
selectively
increases
cells,
this
property
improve
tLNP-delivered
Signal Transduction and Targeted Therapy,
Год журнала:
2023,
Номер
8(1)
Опубликована: Окт. 27, 2023
Abstract
Cardiovascular
disease
(CVD)
is
the
leading
cause
of
death
in
world,
with
a
high
incidence
and
youth-oriented
tendency.
RNA
modification
ubiquitous
indispensable
cell,
maintaining
cell
homeostasis
function
by
dynamically
regulating
gene
expression.
Accumulating
evidence
has
revealed
role
aberrant
expression
CVD
caused
dysregulated
modification.
In
this
review,
we
focus
on
nine
common
modifications:
N
6
-methyladenosine
(m
A),
1
5-methylcytosine
5
C),
7
-methylguanosine
G),
4
-acetylcytosine
(ac
pseudouridine
(Ψ),
uridylation,
adenosine-to-inosine
(A-to-I)
editing,
modifications
U34
tRNA
wobble.
We
summarize
key
regulators
their
effects
expression,
such
as
splicing,
maturation,
transport,
stability,
translation.
Then,
based
classification
CVD,
mechanisms
which
occurs
progresses
through
are
discussed.
Potential
therapeutic
strategies,
therapy,
reviewed
these
mechanisms.
Herein,
some
(such
stroke
peripheral
vascular
disease)
not
included
due
to
limited
availability
literature.
Finally,
prospective
applications
challenges
discussed
for
purpose
facilitating
clinical
Moreover,
look
forward
more
studies
exploring
roles
future,
there
substantial
uncultivated
areas
be
explored.
Accounts of Chemical Research,
Год журнала:
2023,
Номер
56(23), С. 3417 - 3427
Опубликована: Ноя. 15, 2023
More
than
170
different
types
of
chemical
modifications
have
been
identified
on
diverse
RNA,
collectively
known
as
the
epitranscriptome.
Among
them,
N6-methyladenine
(m6A),
5-methylcytosine
(m5C),
N1-methyladenine
(m1A),
and
N7-methylguanosine
(m7G)
ubiquitous
post-transcriptional
modification
are
widely
involved
in
regulating
metabolic
processes
such
RNA
degradation,
translation,
stability,
export,
mediating
important
physiological
pathological
stress
regulation,
immune
response,
development,
tumorigenesis.
Recently,
regulatory
role
during
developmental
is
getting
more
attention.
Therefore,
development
low-input
even
single-cell
high-resolution
sequencing
technologies
crucial
for
exploration
roles
these
biological
events
trace
samples.This
account
focuses
various
processes.
We
describe
distribution
characteristics
modifications,
catalytic
enzymes,
binding
proteins,
technologies.
dynamically
reversible,
which
can
be
catalyzed
by
methyltransferases
eliminated
demethylases.
m6A
most
abundant
eukaryote
mRNA,
mainly
concentrated
near
stop
codon,
involves
metabolism
regulation.
m5C,
another
studied
modification,
has
a
organisms
species,
enriched
regions
downstream
translation
initiation
sites
broadly
distributes
across
whole
coding
sequence
(CDS)
mammalian
mRNAs.
m1A,
with
lower
abundance
m6A,
distributed
types,
locates
5'
untranslated
region
(5'UTR)
mRNA
regulates
translation.
m7G,
one
common
eukaryotes,
at
cap
internal
positions
RNAs
recently
gained
considerable
attention.Thanks
to
technology,
found
regulate
tumorigenic
process,
including
tumor
proliferation,
invasion,
metastasis
modulating
oncogenes
suppressor
genes,
affect
oocyte
maturation
embryonic
through
maternal
zygotic
genes.
m5C
related
proteins
participate
plant
growth,
neural
stem
cell
differentiation
dependent
manner.
m1A
also
revealed
m7G
dysregulation
neurodevelopmental
disorders
neurodegenerative
diseases.Collectively,
we
summarized
gradually
exhibited
methylation
discussed
possibility
candidate
biomarkers
potential
therapeutic
targets.
The
technological
anticipated
major
driving
force
expand
our
knowledge
this
field.
The Innovation,
Год журнала:
2023,
Номер
4(4), С. 100452 - 100452
Опубликована: Май 29, 2023
•RNA
modification
is
a
novel
hotspot
of
epigenetic
research,
affecting
wide
range
physiological
and
pathological
processes.•RNA
plays
an
important
role
in
tumor
immunity.•RNA
may
be
potential
clinical
therapeutic
target
to
prevent
immune
escape.
An
immunosuppressive
state
typical
feature
the
microenvironment.
Despite
dramatic
success
checkpoint
inhibitor
(ICI)
therapy
preventing
cell
escape
from
surveillance,
primary
acquired
resistance
have
limited
its
use.
Notably,
recent
trials
shown
that
drugs
can
significantly
improve
outcome
ICI
various
cancers,
indicating
importance
modifications
regulation
tumors.
Recently,
RNA
(N6-methyladenosine
[m6A],
N1-methyladenosine
[m1A],
5-methylcytosine
[m5C],
etc.),
areas
been
play
crucial
roles
protumor
antitumor
immunity.
In
this
review,
we
provide
comprehensive
understanding
how
m6A,
m1A,
m5C
function
immunity
by
directly
regulating
different
cells
as
well
indirectly
through
mechanisms,
including
modulating
expression
checkpoints,
inducing
metabolic
reprogramming,
secretion
immune-related
factors.
Finally,
discuss
current
status
strategies
targeting
escape,
highlighting
their
potential.
International Journal of Biological Sciences,
Год журнала:
2023,
Номер
19(4), С. 1146 - 1162
Опубликована: Янв. 1, 2023
tRNA
is
one
of
the
most
conserved
and
abundant
RNA
species,
which
plays
a
key
role
during
protein
translation.tRNA
molecules
are
post-transcriptionally
modified
by
modifying
enzymes.Since
high-throughput
sequencing
technology
has
developed
rapidly,
modification
types
have
been
discovered
in
many
research
fields.In
tRNA,
numerous
modifications
enzymes
implicated
biological
functions
human
diseases.In
our
review,
we
talk
about
relevant
modifications,
including
stability,
translation,
cell
cycle,
oxidative
stress,
immunity.We
also
explore
how
contribute
to
progression
diseases.Based
on
previous
studies,
discuss
some
emerging
techniques
for
assessing
aid
discovering
different
modifications.
International Journal of Oral Science,
Год журнала:
2024,
Номер
16(1)
Опубликована: Май 10, 2024
Abstract
N
1
-methyladenosine
(m
A)
RNA
methylation
is
critical
for
regulating
mRNA
translation;
however,
its
role
in
the
development,
progression,
and
immunotherapy
response
of
head
neck
squamous
cell
carcinoma
(HNSCC)
remains
largely
unknown.
Using
Tgfbr1
Pten
conditional
knockout
(2cKO)
mice,
we
found
neoplastic
transformation
oral
mucosa
was
accompanied
by
increased
m
A
modification
levels.
Analysis
A-associated
genes
identified
TRMT61A
as
a
key
writer
linked
to
cancer
progression
poor
prognosis.
Mechanistically,
TRMT61A-mediated
tRNA-m
promotes
MYC
protein
synthesis,
upregulating
programmed
death-ligand
(PD-L1)
expression.
Moreover,
levels
were
also
elevated
tumors
treated
with
oncolytic
herpes
simplex
virus
(oHSV),
contributing
reactive
PD-L1
upregulation.
Therapeutic
inhibition
sustained
oHSV-induced
antitumor
immunity
reduced
tumor
growth,
representing
promising
strategy
alleviate
resistance.
These
findings
indicate
that
can
prevent
immune
escape
after
oHSV
therapy
reducing
expression,
providing
mutually
reinforcing
combination
approach.