International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(22), P. 16484 - 16484
Published: Nov. 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
Journal of Hematology & Oncology,
Journal Year:
2020,
Volume and Issue:
13(1)
Published: Nov. 10, 2020
Abstract
Exosomes
are
a
subset
of
extracellular
vesicles
that
carry
specific
combinations
proteins,
nucleic
acids,
metabolites,
and
lipids.
Mounting
evidence
suggests
exosomes
participate
in
intercellular
communication
act
as
important
molecular
vehicles
the
regulation
numerous
physiological
pathological
processes,
including
cancer
development.
released
by
various
cell
types
under
both
normal
conditions,
they
can
be
found
multiple
bodily
fluids.
Moreover,
carrying
wide
variety
macromolecules
provide
window
into
altered
cellular
or
tissue
states.
Their
presence
biological
fluids
renders
them
an
attractive,
minimally
invasive
approach
for
liquid
biopsies
with
potential
biomarkers
diagnosis,
prediction,
surveillance.
Due
to
their
biocompatibility
low
immunogenicity
cytotoxicity,
have
clinical
applications
development
innovative
therapeutic
approaches.
Here,
we
summarize
recent
advances
technologies
exosome
isolation
research.
We
outline
functions
regulating
tumor
metastasis,
drug
resistance,
immune
modulation
context
Finally,
discuss
prospects
challenges
exosome-based
therapeutics.
Signal Transduction and Targeted Therapy,
Journal Year:
2021,
Volume and Issue:
6(1)
Published: Nov. 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.
Signal Transduction and Targeted Therapy,
Journal Year:
2022,
Volume and Issue:
7(1)
Published: April 13, 2022
Abstract
It
is
now
well
known
that
non-coding
RNAs
(ncRNAs),
rather
than
protein-coding
transcripts,
are
the
preponderant
RNA
transcripts.
NcRNAs,
particularly
microRNAs
(miRNAs),
long
(lncRNAs),
and
circular
(circRNAs),
widely
appreciated
as
pervasive
regulators
of
multiple
cancer
hallmarks
such
proliferation,
apoptosis,
invasion,
metastasis,
genomic
instability.
Despite
recent
discoveries
in
therapy,
resistance
to
chemotherapy,
radiotherapy,
targeted
immunotherapy
continue
be
a
major
setback.
Recent
studies
have
shown
ncRNAs
also
play
role
different
therapies
by
rewiring
essential
signaling
pathways.
In
this
review,
we
present
intricate
mechanisms
through
which
dysregulated
control
four
types
therapies.
We
will
focus
on
current
clinical
implications
biomarkers
predict
treatment
response
(intrinsic
resistance)
detect
therapy
after
start
(acquired
resistance).
Furthermore,
potential
targeting
ncRNA
overcome
resistance,
discuss
challenges
ncRNA-targeted
therapy—especially
development
delivery
systems.
Molecular Cancer,
Journal Year:
2022,
Volume and Issue:
21(1)
Published: Sept. 13, 2022
Abstract
Mesenchymal
stem
cells
(MSCs)
are
multipotent
stromal
that
can
be
obtained
from
various
human
tissues
and
organs.
They
differentiate
into
a
wide
range
of
cell
types,
including
osteoblasts,
adipocytes
chondrocytes,
thus
exhibiting
great
potential
in
regenerative
medicine.
Numerous
studies
have
indicated
MSCs
play
critical
roles
cancer
biology.
The
crosstalk
between
tumour
has
been
found
to
regulate
many
behaviours,
such
as
proliferation,
metastasis
epithelial-mesenchymal
transition
(EMT).
Multiple
lines
evidence
demonstrated
secrete
exosomes
modulate
the
microenvironment
important
development.
Notably,
very
recent
works
shown
mesenchymal
cell-derived
(MSC-derived
exosomes)
critically
involved
resistance
chemotherapy
agents,
targeted-therapy
drugs,
radiotherapy
immunotherapy.
In
this
review,
we
systematically
summarized
emerging
detailed
molecular
mechanisms
MSC-derived
mediating
therapy
resistance,
providing
novel
insights
clinical
applications
management.
Molecular Cancer,
Journal Year:
2021,
Volume and Issue:
20(1)
Published: Nov. 9, 2021
CD8+
T
cells
play
a
critical
role
in
the
innate
antitumour
immune
response.
Recently,
cell
dysfunction
has
been
verified
various
malignant
cancers,
including
non-small
lung
cancer
(NSCLC).
However,
molecular
biological
mechanisms
of
human
NSCLC
are
still
unclear.The
expression
circular
ubiquitin-specific
protease-7
(circUSP7)
tissues,
exosomes,
and
lines
was
detected
by
quantitative
real-time
polymerase
chain
reaction
(qRT-PCR).
Exosomes
were
isolated
from
culture
medium
plasma
patients
using
an
ultracentrifugation
method
ExoQuick
Exosome
Precipitation
Solution
kit.
The
exosomes
then
characterized
transmission
electronic
microscopy
(TEM),
NanoSight
western
blotting.
circUSP7
assessed
enzyme-linked
immunosorbent
assay
(ELISA).
In
vivo
RNA
(circRNA)
precipitation
(circRIP),
immunoprecipitation
(RIP),
luciferase
reporter
assays
performed
to
explore
cells.
retrospective
study,
clinical
characteristics
prognostic
significance
tissues
determined.The
levels
higher
than
matched
adjacent
nontumour
tissues.
Increased
indicate
poor
prognosis
with
NSCLC.
found
patient
is
predominantly
secreted
exosomal
manner,
inhibits
IFN-γ,
TNF-α,
Granzyme-B
Perforin
secretion
Furthermore,
function
upregulating
Src
homology
region
2
(SH2)-containing
protein
tyrosine
phosphatase
(SHP2)
via
sponging
miR-934.
Finally,
we
show
that
may
promote
resistance
anti-PD1
immunotherapy
patients.Exosomal
contributes
immunosuppression
promoting
CircUSP7
induces
immunotherapy,
providing
potential
therapeutic
strategy
for
patients.
FEBS Journal,
Journal Year:
2020,
Volume and Issue:
288(1), P. 10 - 35
Published: Sept. 28, 2020
Exosomes
are
nanosized
extracellular
vesicles
of
endosomal
origin
that
enclose
a
multitude
functional
biomolecules.
have
emerged
as
key
players
intercellular
communication
in
physiological
and
pathological
conditions.
In
cancer,
depending
on
the
context,
exosomes
can
oppose
or
potentiate
development
an
aggressive
tumor
microenvironment,
thereby
impacting
progression
clinical
outcome.
Increasing
evidence
has
established
important
mediators
immune
regulation
they
deliver
plethora
signals
either
support
restrain
immunosuppression
lymphoid
myeloid
cell
populations
tumors.
Here,
we
review
current
knowledge
related
to
exosome-mediated
(T
lymphocytes,
B
NK
cells)
(macrophages,
dendritic
cells,
monocytes,
myeloid-derived
suppressor
neutrophils)
cancer.
We
also
discuss
translational
potential
engineered
immunomodulatory
agents
for
cancer
therapy.
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.
Protein & Cell,
Journal Year:
2020,
Volume and Issue:
12(12), P. 911 - 946
Published: Nov. 1, 2020
Abstract
Circular
RNA
(circRNA)
is
a
novel
class
of
single-stranded
RNAs
with
closed
loop
structure.
The
majority
circRNAs
are
formed
by
back-splicing
process
in
pre-mRNA
splicing.
Their
expression
dynamically
regulated
and
shows
spatiotemporal
patterns
among
cell
types,
tissues
developmental
stages.
CircRNAs
have
important
biological
functions
many
physiological
processes,
their
aberrant
implicated
human
diseases.
Due
to
high
stability,
becoming
promising
biomarkers
diseases,
such
as
cardiovascular
autoimmune
diseases
cancers.
In
this
review,
we
focus
on
the
translational
potential
using
blood
liquid
biopsy
for
We
highlight
abundant
expression,
essential
significant
correlations
various
components
peripheral
blood,
including
whole
cells
extracellular
vesicles.
addition,
summarize
current
knowledge
circRNA
disease
diagnosis
or
prognosis.