Frontiers in Oncology,
Год журнала:
2022,
Номер
12
Опубликована: Апрель 28, 2022
As
a
novel
class
of
endogenous
non-coding
RNAs
discovered
in
recent
years,
circular
(circRNAs)
are
highly
conserved
and
stable
covalently
closed
ring
structures
with
no
5′-end
cap
or
3′-end
poly(A)
tail.
CircRNAs
formed
by
reverse
splicing,
mainly
means
noose
structure
intron
complementary
pairing.
Exosomes
tiny
discoid
vesicles
diameter
40-100
nm
that
secreted
cells
under
physiological
pathological
conditions.
play
an
important
role
cell-cell
communication
carrying
DNA,
microRNAs,
mRNAs,
proteins
circRNAs.
In
this
review,
we
summarize
the
biological
functions
circRNAs
exosomes,
further
reveal
potential
roles
exosomal
different
diseases,
providing
scientific
basis
for
diagnosis,
treatment,
prognosis
wide
variety
diseases.
Signal Transduction and Targeted Therapy,
Год журнала:
2022,
Номер
7(1)
Опубликована: Май 21, 2022
Abstract
The
therapeutic
use
of
messenger
RNA
(mRNA)
has
fueled
great
hope
to
combat
a
wide
range
incurable
diseases.
Recent
rapid
advances
in
biotechnology
and
molecular
medicine
have
enabled
the
production
almost
any
functional
protein/peptide
human
body
by
introducing
mRNA
as
vaccine
or
agent.
This
represents
rising
precision
field
with
promise
for
preventing
treating
many
intractable
genetic
In
addition,
vitro
transcribed
achieved
programmed
production,
which
is
more
effective,
faster
design
well
flexible
cost-effective
than
conventional
approaches
that
may
offer.
Based
on
these
extraordinary
advantages,
vaccines
characteristics
swiftest
response
large-scale
outbreaks
infectious
diseases,
such
currently
devastating
pandemic
COVID-19.
It
always
been
scientists’
desire
improve
stability,
immunogenicity,
translation
efficiency,
delivery
system
achieve
efficient
safe
mRNA.
Excitingly,
scientific
dreams
gradually
realized
rapid,
amazing
achievements
biology,
technology,
vaccinology,
nanotechnology.
this
review,
we
comprehensively
describe
mRNA-based
therapeutics,
including
their
principles,
manufacture,
application,
effects,
shortcomings.
We
also
highlight
importance
optimization
systems
successful
therapeutics
discuss
key
challenges
opportunities
developing
tools
into
powerful
versatile
genetic,
infectious,
cancer,
other
refractory
Signal Transduction and Targeted Therapy,
Год журнала:
2021,
Номер
6(1)
Опубликована: Ноя. 10, 2021
Exosomes
play
a
role
as
mediators
of
cell-to-cell
communication,
thus
exhibiting
pleiotropic
activities
to
homeostasis
regulation.
Exosomal
non-coding
RNAs
(ncRNAs),
mainly
microRNAs
(miRNAs),
long
(lncRNAs),
and
circular
(circRNAs),
are
closely
related
variety
biological
functional
aspects
human
health.
When
the
exosomal
ncRNAs
undergo
tissue-specific
changes
due
diverse
internal
or
external
disorders,
they
can
cause
tissue
dysfunction,
aging,
diseases.
In
this
review,
we
comprehensively
discuss
underlying
regulatory
mechanisms
exosomes
in
addition,
explore
current
knowledge
on
roles
miRNAs,
lncRNAs,
circRNAs
health
diseases,
including
cancers,
metabolic
neurodegenerative
cardiovascular
autoimmune
infectious
determine
their
potential
implication
biomarker
identification
therapeutic
exploration.
Abstract
Background
and
aims
Accumulating
evidence
suggests
that
the
primary
acquired
resistance
of
hepatocellular
carcinoma
(HCC)
to
sorafenib
is
mediated
by
multiple
molecular,
cellular,
microenvironmental
mechanisms.
Understanding
these
mechanisms
will
enhance
likelihood
effective
therapy.
Methods
In
vitro
in
vivo
experiments
were
performed
clinical
samples
online
databases
for
investigation.
Results
this
study,
we
found
a
circular
RNA,
circRNA-SORE,
which
up-regulated
so
rafenib-resistant
HCC
cells,
was
necessary
maintenance
resistance,
silencing
circRNA-SORE
substantially
increased
efficacy
sorafenib-induced
apoptosis.
Mechanistic
studies
determined
sequestered
miR-103a-2-5p
miR-660-3p
acting
as
microRNA
sponge,
thereby
competitively
activating
Wnt/β-catenin
pathway
inducing
resistance.
The
level
sorafenib-resistant
cells
resulted
from
RNA
stability.
This
caused
an
N
6
-methyladenosine
(m
A)
at
specific
adenosine
circRNA-SORE.
delivery
interfering
local
short
hairpin
lentivirus
injection
enhanced
animal
models.
Conclusions
work
indicates
novel
mechanism
maintaining
proof-of-concept
study
targeting
sorafenib-treated
patients
pharmaceutical
intervention
advanced
HCC.
International Journal of Molecular Sciences,
Год журнала:
2023,
Номер
24(22), С. 16484 - 16484
Опубликована: Ноя. 18, 2023
Hepatocellular
carcinoma
(HCC)
is
a
highly
fatal
malignancy
with
limited
therapeutic
options
and
high
recurrence
rates.
Recently,
immunotherapeutic
agents
such
as
immune
checkpoint
inhibitors
(ICIs)
have
emerged
new
paradigm
shift
in
oncology.
ICIs,
programmed
cell
death
protein
1
(PD-1)
inhibitors,
provided
source
of
hope
for
patients
advanced
HCC.
Yet,
the
eligibility
criteria
HCC
ICIs
are
still
missing
piece
puzzle.
Circular
RNAs
(circRNAs)
recently
class
non-coding
that
play
fundamental
role
cancer
pathogenesis.
Structurally,
circRNAs
resistant
to
exonucleolytic
degradation
longer
half-life
than
their
linear
counterparts.
Functionally,
possess
capability
influence
various
facets
tumor
microenvironment,
especially
at
tumor–immune
synapse.
Notably,
been
observed
control
expression
molecules
within
cells,
potentially
impeding
effectiveness
ICIs.
Therefore,
this
renders
them
potential
cancer-immune
biomarkers
diagnosis,
prognosis,
regimen
determinants.
In
review,
authors
shed
light
on
structure
functional
roles
and,
most
importantly,
highlight
promising
immunomodulation
Abstract
Gastrointestinal
cancer
(GIC)
is
the
most
prevalent
and
highly
metastatic
malignant
tumor
has
a
significant
impact
on
mortality
rates.
Nevertheless,
swift
advancement
of
contemporary
technology
not
seamlessly
aligned
with
evolution
detection
methodologies,
resulting
in
deficit
innovative
efficient
clinical
assays
for
GIC.
Given
that
exosomes
are
preferentially
released
by
myriad
cellular
entities,
predominantly
originating
from
neoplastic
cells,
this
confers
composition
enriched
cancer-specific
constituents.
Furthermore,
exhibit
ubiquitous
presence
across
diverse
biological
fluids,
endowing
them
inherent
advantages
non-invasiveness,
real-time
monitoring,
specificity.
The
unparalleled
render
as
an
ideal
liquid
biopsy
biomarker
early
diagnosis,
prognosticating
potential
development
GIC
metastasis.
In
review,
we
summarized
latest
research
progress
possible
targets
cancer-derived
(CDEs)
emphasis
mechanisms
exosome
promoting
metastasis,
highlighting
roles
CDEs
treatment
Seminars in Cancer Biology,
Год журнала:
2020,
Номер
75, С. 49 - 61
Опубликована: Окт. 6, 2020
Circular
RNAs
(circRNAs)
are
a
large
class
of
noncoding
RNAs,
generated
from
process
called
back-splicing,
that
possess
critical
regulatory
functions
in
many
cellular
events.
A
body
literature
has
reported
various
circRNA
and
their
underlying
mechanisms,
including
sponging
miRNA,
exerting
transcriptional
translational
regulation,
interacting
with
proteins,
translating
into
peptides
proteins.
CircRNA
dysregulation
been
implicated
cancers,
lung,
breast,
liver,
gastric,
colorectal,
ovarian
cancer.
They
detectable
bodily
fluids
relatively
stable,
making
them
potential
cancer
biomarker
candidates.
Furthermore,
targeting
expression
levels
is
therapeutic
approach
for
treating
cancers.
In
this
review,
we
describe
the
functional
mechanisms
circRNAs
discuss
limitations
current
mechanism
studies.
Following
this,
outline
to
be
effective
biomarkers
cancers
present
circRNA-based
approaches.
Finally,
challenges
using
as
diagnostic
tools
propose
future
research
directions.
Frontiers in Cell and Developmental Biology,
Год журнала:
2020,
Номер
8
Опубликована: Окт. 8, 2020
Circular
RNA
(circRNA)
is
a
type
of
noncoding
that
forms
covalently
closed
continuous
loop.
The
expression
pattern
circRNA
varies
among
cell
types
and
tissues,
many
circRNAs
are
aberrantly
expressed
in
various
cancers.
Aberrantly
have
been
shown
to
play
crucial
roles
carcinogenesis,
functioning
as
microRNA
sponges
or
new
templates
for
protein
translation.
Recent
research
has
enriched
exosomes.
Exosomes
secretory
vesicles
mediate
intercellular
communication
through
the
delivery
cargo,
including
proteins,
lipids,
DNA,
RNA.
Exosome-mediated
crosstalk
between
cancer
cells
tumor
microenvironment
promotes
epithelial-mesenchymal
transition,
angiogenesis,
immune
escape,
thus
may
contribute
invasion
metastasis.
In
this
review,
we
discuss
biological
functions
exosomal
their
significance
progression.
Additionally,
potential
clinical
applications
biomarkers
therapy.
Frontiers in Cell and Developmental Biology,
Год журнала:
2021,
Номер
8
Опубликована: Янв. 12, 2021
Accumulating
evidence
shows
that
exosomal
circRNAs
reflect
the
physiological
status
of
donor
cells,
and
various
cell
reactions
are
induced
after
captured
by
recipient
cells.
In
this
study,
qRT-PCR
was
performed
to
detect
circ-0004277
expression
in
hepatocellular
carcinoma
(HCC)
lines,
tissues,
plasma
exosomes.
The
effects
on
proliferation
migration
HCC
cells
were
assessed
counting,
5-ethynyl-2′-deoxyuridine
assays,
Transwell
tumor
formation
nude
mice.
We
found
significantly
upregulated
exosomes
compared
normal
controls.
Overexpression
enhanced
proliferation,
migration,
epithelial-mesenchymal
transition
(EMT)
vivo
vitro
.
Furthermore,
from
surrounding
stimulated
EMT
progression.
ZO-1,
a
tight
junction
adapter
protein,
downregulated
tissues.
conclusion,
our
findings
suggest
promotes
malignant
phenotype
via
inhibition
ZO-1
promotion
addition,
stimulates
peripheral
through
cellular
communication
further
promote
invasion
into
Cell Death and Disease,
Год журнала:
2022,
Номер
13(4)
Опубликована: Апрель 8, 2022
Abstract
Circular
RNAs
(circRNAs)
are
a
class
of
non-coding
that
play
vital
roles
in
cancer
biology.
However,
the
potential
role
hsa_circRNA_0088036
bladder
(BCa)
remains
unknown.
Hsa_circRNA_0088036
was
identified
by
microarray
analysis
and
validated
quantitative
real-time
polymerase
chain
reaction.
Functional
assays
were
conducted
to
confirm
effects
on
growth,
migration,
invasion,
tumorigenesis,
metastasis
BCa
cells.
The
luciferase
reporter
assay
RNA
pull
down
performed
investigate
interactions
between
hsa_circRNA_0088036,
miR-140-3p,
forkhead
box
protein
Q1
(FOXQ1).
Upregulated
expression
tissues
cell
lines
positively
correlated
with
overall
survival
clinicopathologic
characteristics.
Knockdown
inhibited
invasion
cells
both
vivo
vitro.
Mechanistically,
could
directly
interact
miR-140-3p
act
as
miRNA
sponge
modulate
FOXQ1
expression.
proliferation,
via
miR-140-3p/FOXQ1
signaling,
suggesting
is
biomarker
therapeutic
target
for
BCa.