Journal of Nanobiotechnology,
Journal Year:
2023,
Volume and Issue:
21(1)
Published: March 11, 2023
Programmed
cell
death
ligand
1
protein-positive
(PD-L1+)
exosomes
have
been
found
to
be
a
potential
biomarker
for
the
diagnosis
of
non-small
lung
cancer
(NSCLC).
However,
development
highly
sensitive
detection
technique
PD-L1+
is
still
challenge
in
clinical
applications.
Herein,
sandwich
electrochemical
aptasensor
based
on
ternary
metal-metalloid
palladium-copper-boron
alloy
microporous
nanospheres
(PdCuB
MNs)
and
Au@CuCl2
nanowires
(NWs)
was
designed
exosomes.
The
excellent
peroxidase-like
catalytic
activity
PdCuB
MNs
high
conductivity
NWs
endow
fabricated
with
intense
signal,
thus
enabling
low
abundance
analytical
results
revealed
that
maintained
favorable
linearity
over
wide
concentration
range
6
orders
magnitude
reached
limit
36
particles/mL.
successfully
applied
analysis
complex
serum
samples
achieves
accurate
identification
NSCLC
patients.
Overall,
developed
provides
powerful
tool
early
NSCLC.
Journal of Experimental & Clinical Cancer Research,
Journal Year:
2024,
Volume and Issue:
43(1)
Published: March 16, 2024
Abstract
The
paradigm
of
non-small
cell
lung
cancer
(NSCLC)
treatment
has
been
profoundly
influenced
by
the
development
immune
checkpoint
inhibitors
(ICI),
but
range
clinical
responses
observed
among
patients
poses
significant
challenges.
To
date,
analyses
tumor
biopsies
are
only
parameter
used
to
guide
prognosis
ICI
therapy.
Tumor
biopsies,
however,
often
difficult
obtain
and
tissue-based
biomarkers
limited
intratumoral
heterogeneity
temporal
variability.
In
response,
there
a
growing
emphasis
on
“liquid
biopsy”‒
derived
biomarkers,
which
offer
minimally
invasive
means
dynamically
monitor
status
NSCLC
either
before
and/or
during
course
treatment.
Here
we
review
studies
in
multiple
blood-based
encompassing
circulating
soluble
analytes,
subsets,
DNA,
mutational
burden,
cells
have
shown
promising
associations
with
response
These
investigations
unveiled
compelling
correlations
between
peripheral
both
therapy
patient
outcomes,
include
rates,
progression-free
survival,
overall
survival.
There
is
need
for
rigorous
validation
standardization
these
assays
broader
application.
Integration
into
comprehensive
panels
or
algorithms
also
potential
enhance
predictive
accuracy.
Further
research
aimed
at
longitudinal
monitoring
crucial
comprehend
dynamics
resistance
mechanisms
should
be
alongside
methods
that
interrogate
microenvironment
decisions
may
inform
novel
therapeutic
strategies.
data
reviewed
here
reinforce
opportunity
refine
stratification,
optimize
treatments,
improve
outcomes
not
wider
spectrum
solid
tumors
undergoing
immunotherapy.
Cancers,
Journal Year:
2021,
Volume and Issue:
13(12), P. 3034 - 3034
Published: June 17, 2021
Upon
T-cell
receptor
stimulation,
the
Programmed
cell
Death-1
(PD-1)
expressed
on
T-cells
can
interact
with
its
ligand
PD-L1
at
surface
of
cancer
cells
or
antigen-presenting
cells.
Monoclonal
antibodies
targeting
PD-1
are
routinely
used
for
treatment
cancers,
but
their
clinical
efficacy
varies
largely
across
variety
tumor
types.
A
part
variability
is
linked
to
existence
several
forms
PD-L1,
either
plasma
membrane
(mPD-L1),
secreted
cellular
exosomes
(exoPD-L1),
in
nuclei
(nPD-L1),
as
a
circulating,
soluble
protein
(sPD-L1).
Here,
we
have
reviewed
different
origins
and
roles
sPD-L1
humans
highlight
biochemical
functional
heterogeneity
protein.
isoforms
be
generated
essentially
by
two
non-exclusive
processes:
(i)
proteolysis
m/exoPD-L1
metalloproteases,
such
metalloproteinases
(MMP)
disintegrin
metalloproteases
(ADAM),
which
capable
shedding
release
an
active
form,
(ii)
alternative
splicing
pre-mRNA,
leading
some
cases
lacking
transmembrane
domain.
The
expression
secretion
been
observed
large
pathologies,
well
beyond
cancer,
notably
pulmonary
diseases,
chronic
inflammatory
autoimmune
disorders,
viral
diseases.
role
during
pregnancy
also
evoked.
structural
proteins,
associated
functional/cellular
plurality,
should
kept
mind
when
considering
biomarker
drug
target.
membrane,
exosomal
all
integral
parts
highly
dynamic
PD-1/PD-L1
signaling
pathway,
essential
immune-tolerance
immune-escape.
Advanced Functional Materials,
Journal Year:
2021,
Volume and Issue:
31(37)
Published: June 26, 2021
Abstract
Current
programmed
death‐1
ligand
(PD‐L1)‐based
therapy
focuses
on
local
tumors.
However,
circulating
exosomal
PD‐L1
possesses
inherent
anti‐PD‐L1
blockade
resistance
and
dominates
tumor
metastasis,
playing
a
critical
role
in
systemic
immunosuppression.
Therefore,
the
efficacy
of
immune
checkpoint
depends
simultaneously
decreasing
tumoral
PD‐L1.
such
therapeutic
platforms
have
never
been
reported
so
far.
Herein,
checkpoint‐regulatable
niche
created
by
an
injectable
hydrogel
is
to
reprogram
both
exosomes.
Oxidized
sodium
alginate‐armored
membrane
vesicle
(O‐TMV)
as
gelator,
with
Ca
2+
channel
inhibitor
dimethyl
amiloride
(DMA)
cyclin‐dependent
kinase
5
(Cdk5)
roscovitine
formed
(O‐TMV@DR)
vivo,
work
antigen
depot
create
niche.
O‐TMV
chelates
within
environment
DMA
continuously
prevents
cellular
influx,
suppressing
‐governed
exosome
secretion
decreased
number.
Roscovitine
not
only
down‐regulates
cell
expression
along
inherited
from
parental
cells
via
genetic
effect,
but
also
blunts
cascade
connection
between
up‐regulation
interferon‐γ
stimulation,
achieving
down‐regulated
full‐scale
reprogramming
achieved,
offering
innovative
cancer
immunotherapy
International Journal of Molecular Sciences,
Journal Year:
2021,
Volume and Issue:
22(17), P. 9414 - 9414
Published: Aug. 30, 2021
As
cancer
immunotherapy
using
immune
checkpoint
inhibitors
(ICIs)
is
rapidly
evolving
in
clinical
practice,
it
necessary
to
identify
biomarkers
that
will
allow
the
selection
of
patients
who
benefit
most
or
least
from
ICIs
and
longitudinally
monitor
patients’
responses
during
treatment.
Various
peripheral
blood-based
are
being
identified
with
recent
advances
high-throughput
multiplexed
analytical
technologies.
The
identification
these
biomarkers,
which
can
be
easily
detected
blood
samples
non-invasive
repeatable
methods,
contribute
overcoming
limitations
previously
used
tissue-based
biomarkers.
Here,
we
discuss
potential
circulating
cells,
soluble
inflammatory
molecules,
tumor
cells
DNA,
exosomes,
mutational
burden,
as
for
prediction
ICI
treatment
advanced
cancer.
Theranostics,
Journal Year:
2022,
Volume and Issue:
12(5), P. 1971 - 1987
Published: Jan. 1, 2022
Extracellular
vesicles
(EVs)
carrying
tumor
cell-derived
programmed
death-ligand
1
(PD-L1)
interact
with
death
(PD-1)-producing
T
cells,
thus
significantly
lowering
a
patient's
response
to
immune
checkpoint
blockade
drugs.No
drug
that
reinvigorates
CD8+
cells
by
suppressing
EV
PD-L1
has
been
approved
for
clinical
usage.Here
we
have
identified
macitentan
(MAC),
an
FDA-approved
oral
drug,
as
robust
booster
of
antitumor
responses
in
PD-L1.Methods:
was
analyzed
the
data
from
nanoparticle
tracking,
immunoblotting
analyses,
and
nano-flow
cytometry.Antitumor
immunity
evaluated
luciferase
assay
phenotyping
using
flow
cytometry.Clinical
relevance
cancer
genome
atlas
database.Results:
MAC
inhibited
secretion
tumor-derived
targeting
endothelin
receptor
A
(ETA)
breast
xenograft
models.MAC
enhanced
cell-mediated
killing
decreasing
binding
PD-1
synergizing
effects
anti-PD-L1
antibody.MAC
also
showed
anticancer
effect
triple-negative
(TNBC)-bearing
immunocompetent
mice
but
not
nude
mice.The
combination
therapy
antibody
improved
efficacy
increasing
cell
number
activity
Treg
tumors
draining
lymph
nodes
TNBC,
colon,
lung
syngeneic
models.The
reversed
injecting
exogenous
PD-L1.Notably,
ETA
level
strongly
associated
innate
anti-PD-1
resistance
gene
signature
low
PD-1/PD-L1
blockade.Conclusion:
These
findings
demonstrate
MAC,
already
applications,
can
be
used
improve
and/or
overcome
inadequate
therapy.
Journal of Experimental & Clinical Cancer Research,
Journal Year:
2022,
Volume and Issue:
41(1)
Published: June 1, 2022
Abstract
Background
Immune-checkpoint
inhibitors
(ICIs)
changed
the
therapeutic
landscape
of
patients
with
lung
cancer.
However,
only
a
subset
them
derived
clinical
benefit
and
evidenced
need
to
identify
reliable
predictive
biomarkers.
Liquid
biopsy
is
non-invasive
repeatable
analysis
biological
material
in
body
fluids
promising
tool
for
cancer
biomarkers
discovery.
In
particular,
there
growing
evidence
that
extracellular
vesicles
(EVs)
play
an
important
role
tumor
progression
tumor-immune
interactions.
Thus,
we
evaluated
whether
vesicle
PD-L1
expression
could
be
used
as
biomarker
prediction
durable
treatment
response
survival
non-small
cell
(NSCLC)
undergoing
ICIs.
Methods
Dynamic
changes
EV
were
analyzed
plasma
samples
collected
before
at
9
±
1
weeks
during
retrospective
prospective
independent
cohorts
33
39
patients,
respectively.
Results
As
result,
increase
was
observed
non-responders
comparison
responders
shorter
progression-free
overall
survival.
To
contrary,
tissue
expression,
commonly
biomarker,
not
neither
nor
Conclusion
These
findings
indicate
dynamics
stratify
advanced
NSCLC
who
would
experience
from
Cancer Treatment Reviews,
Journal Year:
2021,
Volume and Issue:
102, P. 102322 - 102322
Published: Dec. 1, 2021
Advances
in
understanding
the
molecular
mechanisms
of
tumor
progression
have
achieved
impressive
progress
treatment
cancer
and
so-called
immune
checkpoint
inhibitors
(ICIs)
revolutionized
therapy.
Indeed,
antibody-based
drugs
blocking
escape
cells
by
modulation
T
cell
responses
are
increasingly
utilized
for
a
wide
range
entities.
Nonetheless,
response
rates
remain
limited,
development
secondary
resistance
is
common
problem.
In
addition,
increasing
variety
severe
side
effects
provoked.
Next
to
autoimmune
responses,
activation
complement
system
skin
toxicity,
an
increased
incidence
thrombotic
complications
has
been
observed
associated
with
mortality
rate.
Based
on
this,
it
can
be
postulated
that
interplay
coagulation
inflammation
microenvironment
relevant
each
step
life
cycle.
This
review
focuses
as
central
player
fostering
progression.
Thus,
better
pathways
involved
complex
interaction
circulating
cells,
plasmatic
may
help
improve
therapeutic
concepts
reducing
morbidity
cancer.
Frontiers in Molecular Biosciences,
Journal Year:
2021,
Volume and Issue:
8
Published: Sept. 14, 2021
Exosomes
or
other
extracellular
vesicles
released
from
cells
play
an
important
role
in
cell-to-cell
communication
by
transferring
bio-information
(DNA,
coding/non-coding
RNA,
and
proteins),
which
indicates
parental
cell
status
to
recipient
the
environment.
Increasingly,
evidence
shows
that
tumor-derived
exosomes
mediate
tumor
pre-metastatic
niche
(PMN)
remodeling
establish
a
supportive
receptive
promote
colonization
metastasis.
Uptake
of
genetic
information
target
environment
triggers
epigenetic
changes
contribute
PMN
formation.
Here,
we
provide
comprehensive
overview
current
understanding
exosomes-mediated
reprogramming
Frontiers in Immunology,
Journal Year:
2022,
Volume and Issue:
13
Published: Dec. 19, 2022
Transforming
growth
factor-β
(TGF-β)
signaling
regulates
multiple
physiological
processes,
such
as
cell
proliferation,
differentiation,
immune
homeostasis,
and
wound
healing.
Besides,
TGF-β
plays
a
vital
role
in
diseases,
including
cancer.
Accumulating
evidence
indicates
that
controls
the
composition
behavior
of
components
tumor
microenvironment
(TME).
Advanced
cancers
leverage
to
reshape
TME
escape
surveillance.
TGF-β-mediated
evasion
is
an
unfavorable
factor
for
cancer
immunotherapy,
especially
checkpoint
inhibitors
(ICI).
Numerous
preclinical
clinical
studies
have
demonstrated
hyperactive
closely
associated
with
ICI
resistance.
It
has
been
validated
blockade
synergizes
overcomes
treatment
TGF-β-targeted
therapies,
trap
bispecific
antibodies,
shown
immense
potential
immunotherapy.
In
this
review,
we
summarized
predictive
value
prospects
therapies
Stem Cell Research & Therapy,
Journal Year:
2022,
Volume and Issue:
13(1)
Published: Jan. 24, 2022
Abstract
Background
Despite
major
advances
in
the
treatment
of
diabetic
nephropathy
(DN)
recent
years,
it
remains
most
common
cause
end-stage
renal
disease.
An
early
diagnosis
and
therapy
may
slow
down
DN
progression.
Numerous
potential
biomarkers
are
currently
being
researched.
Circulating
levels
kidney-released
exosomes
biological
molecules,
which
reflect
pathology
including
glomerular
tubular
dysfunction
as
well
mesangial
expansion
fibrosis,
have
shown
for
predicting
occurrence
progression
DN.
Moreover,
many
experimental
therapies
investigated,
stem
cell
medications
targeting
inflammatory,
oxidant,
or
pro-fibrotic
pathways
activated
during
The
therapeutic
cells
is
partly
depending
on
their
secretory
capacity,
particularly
exosomal
microRNAs
(Exo-miRs).
In
a
growing
line
research
has
participation
Exo-miRs
pathophysiological
processes
DN,
provide
effective
biomarker
tools
treatment.
Methods
A
systematic
literature
search
was
performed
MEDLINE,
Scopus,
Google
Scholar
to
collect
published
findings
regarding
cell-derived
circulating
DN-associated
biomarkers.
Findings
Glomerular
podocytes
important
culprits
pathogenesis
and,
thus,
can
be
considered
valuable
targets.
Preclinical
investigations
that
exert
beneficial
effects
by
transferring
renoprotective
miRs
injured
podocytes.
Of
note,
Exo-miR-125a
secreted
adipose-derived
mesenchymal
improve
cells,
while
(Exo-miR-486
Exo-miR-215-5p),
human
urine‐derived
(Exo-miR-16-5p),
bone
marrow-derived
(Exo-miR-let-7a)
On
other
hand,
clinical
indicated
isolated
from
urine
serum
hold
great
promising