BMC Cancer,
Journal Year:
2024,
Volume and Issue:
24(1)
Published: Aug. 21, 2024
Transfer
RNA-derived
fragments
(tRFs)
are
short
non-coding
RNA
(ncRNA)
sequences,
ranging
from
14
to
30
nucleotides,
produced
through
the
precise
cleavage
of
precursor
and
mature
tRNAs.
While
tRFs
have
been
implicated
in
various
diseases,
including
cancer,
their
role
lung
adenocarcinoma
(LUAD)
remains
underexplored.
This
study
aims
investigate
impact
tRF-Val-CAC-010,
a
specific
tRF
molecule,
on
phenotype
LUAD
cells
its
tumorigenesis
progression
vivo.
The
expression
level
tRF-Val-CAC-010
was
quantified
using
quantitative
real-time
polymerase
chain
reaction
(qRT-PCR).
Specific
inhibitors
mimics
were
synthesized
for
transient
transfection.
Cell
proliferation
assessed
Counting
Kit-8
(CCK-8),
while
cell
invasion
migration
evaluated
Transwell
scratch
assays.
Flow
cytometry
utilized
analyze
cycle
apoptosis.
vivo
effects
tumor
growth
metastasis
determined
formation
imaging
experiments
nude
mice.
upregulated
A549
PC9
(P
<
0.01).
Suppression
resulted
decreased
0.001),
reduced
0.05,
P
0.001)
0.01),
enhanced
apoptosis
both
0.05)
0.05),
increased
G2
phase
arrest
0.05).
In
vivo,
volume
tRF-inhibitor
group
significantly
smaller
than
that
model
tRF-NC
groups
metastatic
flux
value
also
lower
demonstrates
promotes
proliferation,
migration,
induces
vitro,
however,
require
further
elucidation.
Additionally,
enhances
Therefore,
may
serve
as
novel
diagnostic
biomarker
potential
therapeutic
target
LUAD.
Journal of Translational Medicine,
Journal Year:
2025,
Volume and Issue:
23(1)
Published: Jan. 13, 2025
Colorectal
cancer
(CRC)
is
the
third
most
prevalent
malignancy
and
second
leading
cause
of
cancer-related
mortality
worldwide,
with
an
increasing
shift
towards
younger
age
onset.
In
recent
years,
there
has
been
recognition
significance
tRNA-derived
small
RNAs
(tsRNAs),
encompassing
fragments
(tRFs)
tRNA
halves
(tiRNAs).
Their
involvement
in
regulating
translation,
gene
expression,
reverse
transcription,
epigenetics
gradually
come
to
light.
Emerging
research
revealed
dysregulation
tsRNAs
CRC,
implicating
their
role
CRC
initiation
progression,
highlighting
potential
early
diagnosis,
prognosis,
therapeutic
strategies.
Although
clinical
application
still
its
stages,
findings
highlight
a
close
relationship
between
biogenesis
function
tsRNAs,
chemical
modifications,
tumor
immune
microenvironment
(TIME).
Additionally,
similar
other
RNAs,
can
be
effectively
delivered
via
nanoparticles
(NPs).
Consequently,
future
should
focus
on
elucidating
concerning
base
TIME
regulation,
immunotherapy,
NPs
delivery
systems
facilitate
translation.
Journal of Hematology & Oncology,
Journal Year:
2025,
Volume and Issue:
18(1)
Published: Jan. 29, 2025
N7-methylguanosine
(m7G)
is
an
important
RNA
modification
involved
in
epigenetic
regulation
that
commonly
observed
both
prokaryotic
and
eukaryotic
organisms.
Their
influence
on
the
synthesis
processing
of
messenger
RNA,
ribosomal
transfer
allows
m7G
modifications
to
affect
diverse
cellular,
physiological,
pathological
processes.
are
pivotal
human
diseases,
particularly
cancer
progression.
On
one
hand,
modification-associated
modulate
tumour
progression
malignant
biological
characteristics,
including
sustained
proliferation
signalling,
resistance
cell
death,
activation
invasion
metastasis,
reprogramming
energy
metabolism,
genome
instability,
immune
evasion.
This
suggests
they
may
be
novel
therapeutic
targets
for
treatment.
other
aberrant
expression
molecules
linked
clinicopathological
staging,
lymph
node
unfavourable
prognoses
patients
with
cancer,
indicating
their
potential
as
biomarkers.
review
consolidates
discovery,
identification,
detection
methodologies,
functional
roles
modification,
analysing
mechanisms
by
which
contribute
development,
exploring
clinical
applications
diagnostics
therapy,
thereby
providing
innovative
strategies
identification
targeted
Journal of Translational Medicine,
Journal Year:
2024,
Volume and Issue:
22(1)
Published: July 30, 2024
Abstract
Background
Drug
resistance,
including
Adriamycin-based
therapeutic
remains
a
challenge
in
breast
cancer
(BC)
treatment.
Studies
have
revealed
that
macrophages
could
play
pivotal
role
mediating
the
chemoresistance
of
cells.
Accumulating
evidence
suggests
tRNA-Derived
small
RNAs
(tDRs)
are
associated
physiological
and
pathological
processes
multiple
cancers.
However,
underlying
mechanisms
tDRs
on
BC
tumor-associated
remain
largely
unknown.
Methods
The
high-throughput
sequencing
technique
was
used
to
screen
expression
profile
Gain-
loss-of-function
experiments
xenograft
models
were
performed
verify
biological
function
3′tRF-Ala-AGC
CIBERSORT
algorithm
investigate
immune
cell
infiltration
tissues.
To
explore
macrophages,
M2
transfected
with
mimic
or
inhibitor
co-cultured
Effects
Nuclear
factor-κb
(NF-κb)
pathway
investigated
by
NF-κb
nuclear
translocation
assay
western
blot
analysis.
RNA
pull-down
identify
interacting
proteins.
Results
A
3′tRF
fragment
3′tRF-AlaAGC
screened,
which
is
significantly
overexpressed
specimens
Adriamycin-resistant
promote
malignant
activity
facilitate
polarization
vitro
vivo.
Higher
more
likely
lymph
node
metastasis
deeper
invasion
patients.
Mechanistically,
binds
Type
1-associated
death
domain
protein
(TRADD)
cells,
suppression
TRADD
partially
abolished
enhanced
effect
phenotype
M2.
signaling
activated
cells
mimic.
Conclusions
might
modulate
macrophage
via
binding
increase
promoting
through
pathway.
ABSTRACTThe
tRNA-derived
small
RNAs
(tsRNAs)
are
a
new
class
of
non
coding
RNAs,
which
stable
in
body
fluids
and
can
be
used
as
potential
biomarkers
for
disease
diagnosis.
However,
the
exact
value
tsRNAs
diagnosis
tuberculosis
(TB)
is
still
unclear.
The
objective
present
study
was
to
evaluate
performance
serum
biosignature
distinguish
between
active
TB,
healthy
controls,
latent
TB
infection,
other
respiratory
diseases.
differential
expression
profiles
from
patients
controls
were
analyzed
by
high-throughput
sequencing.
A
total
905
subjects
prospectively
recruited
our
three
different
cohorts.
Levels
tsRNA-Gly-CCC-2,
tsRNA-Gly-GCC-1,
tsRNA-Lys-CTT-2-M2
significantly
elevated
compared
non-TB
individuals,
showing
correlation
with
lung
injury
severity
acid-fast
bacilli
grades
patients.
accuracy
three-tsRNA
evaluated
training
(n
=
289),
test
124),
prediction
292)
groups.
By
utilizing
cross-validation
random
forest
algorithm
approach,
cohort
achieved
sensitivity
100%
specificity
100%.
exhibited
75.8%
91.2%.
Within
group,
73.1%
92.5%,
respectively.
generally
decreased
within
3
months
treatment
then
remained
stable.
In
conclusion,
might
serve
biomarker
diagnose
monitor
effectiveness
high-burden
clinical
setting.
Research Square (Research Square),
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 3, 2025
Abstract
Colorectal
cancer
(CRC)
is
one
of
the
most
common
gastrointestinal
tumors
and
second
leading
cause
malignancy-related
death
worldwide.
Novel
biomarkers
with
high
sensitivity
specificity
are
necessary
to
improve
diagnosis
colorectal
in
terms
early
prognosis.
In
this
study,
we
obtained
tsRNAs
expression
profiles
from
formalin-fixed
paraffin-embedded
(FFPE)
clinical
tissue
samples
identify
novel
potential
biomarker
properties
cancer.
The
were
successfully
constructed,
612
up-regulated
439
down-regulated
identified
tumor
group.
tRNA-Gly
(GCC)-derived
i-tRF-Gly-GCC
5′-tRF-Gly-GCC
highly
expressed
CRC
tissues
compared
paraneoplastic
tissues.
same
results
found
serum
patients
healthy
volunteers.
Both
AUC
ROC
analysis
was
greater
than
0.7,
which
has
diagnostic
value.
WGCNA
showed
that
target
genes
two
closely
related
CRC,
significantly
decreased
groups
COAD
READ
datasets.
We
also
performed
validation
experiments
HCT-116
cells,
confirmed
enhanced
cell
proliferation
migration.
conclusion,
characterized
(i-tRF-Gly-GCC
5′-tRF-Gly-GCC)
as
for
Advanced Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 8, 2025
tRNA-derived
fragments
(tRFs),
a
novel
class
of
small
non-coding
RNAs
cleaved
from
transfer
RNAs,
have
been
implicated
in
tumor
regulation.
In
this
study,
the
role
specific
tRF,
HCETSR
is
investigated,
which
significantly
downregulated
hepatocellular
carcinoma
(HCC)
and
correlates
with
advanced
burden
higher
HCC
mortality.
Functional
analyses
revealed
that
inhibits
malignancy
serves
as
an
independent
predictor
poor
prognosis.
Mechanistically,
SPTBN1/catenin
complex
axis
regulated
by
identified.
binds
to
critical
domain
SPTBN1,
disrupting
its
interaction
catenin
(comprising
β-catenin,
α-catenin,
P120-catenin),
facilitates
cell
membrane
nucleus.
Specifically,
decreases
proteasomal
degradation
β-catenin
synthesis
nascent
β-catenin.
Furthermore,
suppresses
transcriptional
activity
LEF1
through
P120-catenin
rather
than
thereby
reducing
β-catenin's
influence
on
activity.
It
demonstrated
spliced
tRNA-Glu/TTC.
The
biogenesis
tRNA-Glu/TTC
spliceosome
Dicer1.
conclusion,
These
findings
suggest
HCETSR,
derived
tRNA-Glu/TTC,
via
modulation
may
represent
promising
prognostic
marker
therapeutic
strategy
for
HCC.
Non-coding
RNAs
(ncRNAs)
have
emerged
as
crucial
players
in
the
landscape
of
cancer
biology,
challenging
long-held
paradigm
that
primarily
focused
on
protein-coding
genes.
The
human
genome
is
predominantly
transcribed
into
non-coding
RNAs,
which
do
not
encode
proteins
but
instead
participate
a
myriad
regulatory
functions
vital
for
cellular
homeostasis
and
pathology.
Recent
advancements
genomics
molecular
biology
unveiled
complexity
diversity
ncRNAs,
including
microRNAs
(miRNAs),
long
(lncRNAs),
circular
(circRNAs),
PIWI-interacting
(piRNAs).
In
this
review,
mechanisms
by
ncRNAs
influence
their
potential
therapeutic
applications
will
be
explored
depth.