Journal of Hematology & Oncology,
Journal Year:
2022,
Volume and Issue:
15(1)
Published: June 3, 2022
Hypoxia,
a
common
feature
of
the
tumor
microenvironment
in
various
types
cancers,
weakens
cytotoxic
T
cell
function
and
causes
recruitment
regulatory
cells,
thereby
reducing
tumoral
immunogenicity.
Studies
have
demonstrated
that
hypoxia
hypoxia-inducible
factors
(HIFs)
1
2
alpha
(HIF1A
HIF2A)
are
involved
immune
escape.
Under
hypoxia,
activation
HIF1A
induces
series
signaling
events,
including
through
programmed
death
receptor-1/programmed
ligand-1.
Moreover,
triggers
shedding
complex
class
I
chain-associated
molecules
nitric
oxide
impairment
to
disrupt
surveillance
by
natural
killer
cells.
The
HIF-1-galactose-3-O-sulfotransferase
1-sulfatide
axis
enhances
escape
via
increased
cell-platelet
binding.
HIF2A
upregulates
stem
factor
expression
recruit
tumor-infiltrating
mast
cells
increase
levels
cytokines
interleukin-10
transforming
growth
factor-β,
resulting
an
immunosuppressive
microenvironment.
Additionally,
tumor-associated
long
noncoding
RNAs
suppresses
function,
enabling
Overall,
elucidating
underlying
mechanisms
which
HIFs
promote
evasion
will
allow
for
targeting
HIF
treatment.
This
review
discusses
current
knowledge
how
facilitate
escape,
with
evidence
date
implicating
as
molecular
target
such
provides
further
insight
into
mechanism
strategies
immunotherapy
suggested.
Science,
Journal Year:
2020,
Volume and Issue:
367(6478)
Published: Feb. 7, 2020
Clinical
uses
of
cellular
communication
Exosomes
are
a
type
extracellular
vesicle
that
contain
constituents
(protein,
DNA,
and
RNA)
the
cells
secrete
them.
They
taken
up
by
distant
cells,
where
they
can
affect
cell
function
behavior.
Intercellular
through
exosomes
seems
to
be
involved
in
pathogenesis
various
disorders,
including
cancer,
neurodegeneration,
inflammatory
diseases.
In
Review,
Kalluri
LeBleu
discuss
biogenesis
disease,
highlighting
areas
more
research
is
needed.
also
potential
clinical
applications
exosome
profiling
for
diagnostics
exosome-mediated
delivery
therapeutics
target
disease
cells.
Science
,
this
issue
p.
eaau6977
Cell Research,
Journal Year:
2020,
Volume and Issue:
30(8), P. 660 - 669
Published: May 28, 2020
Abstract
Immune
checkpoint
blockade
therapy
has
become
a
major
weapon
in
fighting
cancer.
Antibody
drugs,
such
as
anti-PD-1
and
anti-PD-L1,
demonstrate
obvious
advantages
broad
applicability
across
cancer
types
durable
clinical
response
when
treatment
is
effective.
However,
the
overall
rates
are
still
unsatisfying,
especially
for
cancers
with
low
mutational
burden.
Moreover,
adverse
effects,
autoimmune
symptoms
tumor
hyperprogression,
present
significant
downside
some
applications.
These
challenges
reflect
urgent
need
to
fully
understand
basic
biology
of
immune
checkpoints.
In
this
review,
we
discuss
regulation
signaling
at
multiple
levels
provide
an
overview
our
current
understanding
biology.
Topics
include
surface
expression
known
proteins
via
delivery,
internalization,
recycling,
degradation.
Upon
reaching
surface,
checkpoints
engage
both
conventional
trans
also
cis
interactions
ligands
induce
regulate
responses.
Novel
therapeutic
strategies
targeting
these
pathways
addition
classical
have
recently
emerged
been
tested
preclinical
models,
providing
new
avenues
developing
next-generation
immunotherapies.
International Journal of Nanomedicine,
Journal Year:
2020,
Volume and Issue:
Volume 15, P. 6917 - 6934
Published: Sept. 1, 2020
Exosomes
are
nano-sized
small
extracellular
vesicles
secreted
by
cells,
carrying
nucleic
acids,
proteins,
lipids
and
other
bioactive
substances
to
play
a
role
in
the
body's
physiological
pathological
processes.
Compared
synthetic
carriers
such
as
liposomes
nanoparticles,
endogeneity
heterogeneity
of
exosomes
give
them
extensive
unique
advantages
field
disease
diagnosis
treatment.
However,
storage
stability,
low
yield,
purity,
weak
targeting
limit
its
clinical
application.
For
this
reason,
further
exploration
is
needed
optimize
above
problems
facilitate
future
functional
studies
exosomes.
In
paper,
origin,
classification,
preparation
characterization,
stability
applications
exosome
delivery
system
summarized
discussed
searching
large
number
literatures.
Frontiers in Immunology,
Journal Year:
2020,
Volume and Issue:
11
Published: May 15, 2020
The
success
of
cancer
immunotherapy
relies
on
the
knowledge
tumor
microenvironment
and
immune
evasion
mechanisms
in
which
tumor,
stroma
infiltrating
cells
function
a
complex
network.
potential
barriers
that
profoundly
challenge
overall
clinical
outcome
promising
therapies
need
to
be
fully
identified
counteracted.
Although
has
increasingly
been
applied,
we
are
far
from
understanding
how
utilize
different
strategies
best
way
combine
therapeutic
options
optimize
benefit.
This
review
intends
give
contemporary
detailed
overview
roles
cells,
exosomes
molecules
acting
they
relate
activation
escape.
Further,
current
novel
immunotherapeutic
will
discussed.
Journal of Hematology & Oncology,
Journal Year:
2021,
Volume and Issue:
14(1)
Published: Feb. 12, 2021
Mesenchymal
stromal
cells
(MSCs),
also
known
as
mesenchymal
stem
cells,
have
been
intensely
investigated
for
clinical
applications
within
the
last
decades.
However,
majority
of
registered
trials
applying
MSC
therapy
diverse
human
diseases
fallen
short
expectations,
despite
encouraging
pre-clinical
outcomes
in
varied
animal
disease
models.
This
can
be
attributable
to
inconsistent
criteria
MSCs
identity
across
studies
and
their
inherited
heterogeneity.
Nowadays,
with
emergence
advanced
biological
techniques
substantial
improvements
bio-engineered
materials,
strategies
developed
overcome
challenges
application.
Here
this
review,
we
will
discuss
major
therapies
application,
factors
impacting
diversity
MSCs,
potential
approaches
that
modify
products
highest
therapeutic
potential,
finally
usage
COVID-19
pandemic
disease.
Drug Delivery,
Journal Year:
2020,
Volume and Issue:
27(1), P. 585 - 598
Published: Jan. 1, 2020
Extracellular
vesicles
(EVs),
including
exosomes,
microvesicles,
and
apoptotic
bodies,
are
nanosized
membrane
derived
from
most
cell
types.
Carrying
diverse
biomolecules
their
parent
cells,
EVs
important
mediators
of
intercellular
communication
thus
play
significant
roles
in
physiological
pathological
processes.
Owing
to
natural
biogenesis
process,
generated
with
high
biocompatibility,
enhanced
stability,
limited
immunogenicity,
which
provide
multiple
advantages
as
drug
delivery
systems
(DDSs)
over
traditional
synthetic
vehicles.
have
been
reported
be
used
for
the
siRNAs,
miRNAs,
protein,
small
molecule
drugs,
nanoparticles,
CRISPR/Cas9
treatment
various
diseases.
As
a
vectors,
can
penetrate
into
tissues
bioengineered
enhance
targetability.
Although
EVs'
characteristics
make
them
ideal
delivery,
EV-based
remains
challenging,
due
lack
standardized
isolation
purification
methods,
loading
efficiency,
insufficient
clinical
grade
production.
In
this
review,
we
summarized
current
knowledge
on
application
DDS
perspective
different
origin
weighted
bottlenecks
DDS.