Biomedicine & Pharmacotherapy,
Journal Year:
2023,
Volume and Issue:
159, P. 114227 - 114227
Published: Jan. 11, 2023
Magnetic
nanocarriers
are
nano-platforms
that
integrate
multiple
moieties
based
on
magnetic
nanoparticles
for
diagnostic
and
therapeutic
purposes.
In
recent
years,
they
have
become
an
advanced
platform
tumor
treatment
due
to
their
wide
application
in
resonance
imaging
(MRI),
biocatalysis,
magneto-thermal
therapy
(MHT),
photoresponsive
therapy.
Drugs
loaded
into
can
efficiently
be
directed
targeted
areas
by
precisely
reshaping
structural
properties.
allow
us
track
the
location
of
agent,
continuously
control
process
eventually
assess
efficacy
treatment.
They
typically
used
synergistic
applications
achieve
precise
effective
Here
we
review
latest
treatment,
including
stimuli-responsive
drug
delivery,
MHT,
therapy,
immunotherapy,
gene
We
consider
reducing
toxicity,
improving
antitumor
efficacy,
targeting
accuracy
nanocarriers.
The
challenges
clinical
translation
prospects
cancer
also
discussed.
Exploration,
Journal Year:
2021,
Volume and Issue:
1(1), P. 75 - 89
Published: Aug. 1, 2021
As
the
next
generation
of
artificial
enzymes,
nanozymes
have
shown
unique
properties
compared
to
its
natural
counterparts,
such
as
stability
in
harsh
environment,
low
cost,
and
ease
production
modification,
paving
way
for
biomedical
applications.
Among
them,
tumor
catalytic
therapy
mediated
by
reactive
oxygen
species
(ROS)
has
made
great
progress
mainly
from
peroxidase-like
activity
nanozymes.
Fe
Frontiers in Immunology,
Journal Year:
2022,
Volume and Issue:
13
Published: June 30, 2022
Different
stimuli
can
polarize
macrophages
into
two
basic
types,
M1
and
M2.
Tumor-associated
(TAMs)
in
the
tumor
microenvironment
(TME)
are
composed
of
heterogeneous
subpopulations,
which
include
anti-tumor
M2
pro-tumor
phenotypes.
TAMs
predominantly
play
a
M2-like
tumor-promoting
role
TME
regulate
various
malignant
effects,
such
as
angiogenesis,
immune
suppression,
metastasis;
hence,
have
emerged
hot
topic
research
cancer
therapy.
This
review
focuses
on
three
main
aspects
TAMs.
First,
we
summarize
macrophage
polarization
along
with
effects
TME.
Second,
recent
advances
challenges
treatment
checkpoint
blockade
CAR-T
cell
therapy
emphasized.
Finally,
factors,
signaling
pathways,
associated
TAM
potential
strategies
for
targeting
repolarization
to
pro-inflammatory
phenotype
discussed.
Nano Letters,
Journal Year:
2021,
Volume and Issue:
21(10), P. 4231 - 4240
Published: May 17, 2021
The
tumor
immunosuppressive
microenvironment
greatly
limits
the
efficacy
of
immunotherapy.
Tumor-associated
macrophages
(TAMs)
are
most
abundant
cells
in
microenvironment,
which
can
inhibit
after
converting
it
to
an
M1-like
phenotype.
In
addition,
immunogenic
cell
death
(ICD)
increase
amount
T
lymphocytes
tumors,
activating
antineoplastic
immunity.
Herein,
tumor-associated
macrophage
polarization
therapy
supplemented
with
PLGA-DOX
(PDOX)-induced
ICD
is
developed
for
cancer
treatment.
nanoparticles/bacteria
complex
(Ec-PR848)
fabricated
targeting
and
TAM
polarization,
PLGA-R848
(PR848)
attached
surface
Escherichia
coli
(E.
coli)
MG1655
via
electrostatic
absorption.
toll-like
receptor
7/8
(TLR7/8)
agonist
resiquimod
(R848)
E.
polarize
M2
M1
macrophages,
while
PDOX-induced
also
impair
immunosuppression
microenvironment.
This
strategy
shows
that
combined
induced
by
low-dose
chemotherapeutic
drugs
commendably
enhance
Journal of Experimental & Clinical Cancer Research,
Journal Year:
2022,
Volume and Issue:
41(1)
Published: Feb. 19, 2022
Abstract
Cancer
immunotherapy
has
emerged
as
a
novel
cancer
treatment,
although
recent
trials
have
produced
suboptimal
outcomes,
with
durable
responses
seen
only
in
small
number
of
patients.
The
tumor
microenvironment
(TME)
been
shown
to
be
responsible
for
immune
escape
and
therapy
failure.
vital
component
the
TME
is
tumor-associated
macrophages
(TAMs),
which
are
usually
associated
poor
prognosis
drug
resistance,
including
immunotherapies,
promising
targets
immunotherapy.
Recently,
nanoparticles,
because
their
unique
physicochemical
characteristics,
crucial
translational
moieties
tackling
tumor-promoting
TAMs
that
amplify
sensitize
tumors
immunotherapies
safe
effective
manner.
In
this
review,
we
mainly
described
current
potential
nanomaterial-based
therapeutic
strategies
target
TAMs,
restricting
survival,
inhibiting
recruitment
functionally
repolarizing
tumor-supportive
antitumor
type.
understanding
origin
polarization
role
progression
prognostic
significance
was
also
discussed
review.
We
highlighted
evolution
chimeric
antigen
receptor
(CAR)-macrophage
cell
therapy.
Acta Pharmaceutica Sinica B,
Journal Year:
2022,
Volume and Issue:
12(8), P. 3233 - 3254
Published: Feb. 28, 2022
Cancer
immunotherapy
can
effectively
inhibit
cancer
progression
by
activating
the
autoimmune
system,
with
low
toxicity
and
high
effectiveness.
Some
of
had
positive
effects
on
clinical
treatment.
However,
is
still
restricted
heterogeneity,
immune
cell
disability,
tumor
immunosuppressive
microenvironment
systemic
toxicity.
Cell
membrane-coated
nanoparticles
(CMCNs)
inherit
abundant
source
cell-relevant
functions,
including
"self"
markers,
cross-talking
biological
targeting,
homing
to
specific
regions.
These
enable
them
possess
preferred
characteristics,
better
compatibility,
weak
immunogenicity,
escaping,
a
prolonged
circulation,
targeting.
Therefore,
they
are
applied
precisely
deliver
drugs
promote
effect
immunotherapy.
In
review,
we
summarize
latest
researches
biomimetic
CMCNs
for
immunotherapy,
outline
existing
therapies,
explore
unique
functions
molecular
mechanisms
various
nanoparticles,
analyze
challenges
which
face
in
translation.
Exploration,
Journal Year:
2022,
Volume and Issue:
2(3)
Published: Feb. 25, 2022
Reprogramming
the
immunosuppressive
tumor
microenvironment
by
modulating
macrophages
holds
great
promise
in
immunotherapy.
As
a
class
of
professional
phagocytes
and
antigen-presenting
cells
innate
immune
system,
can
not
only
directly
engulf
clear
cells,
but
also
play
roles
presenting
tumor-specific
antigen
to
initiate
adaptive
immunity.
However,
tumor-associated
(TAMs)
usually
display
tumor-supportive
M2
phenotype
rather
than
anti-tumor
M1
phenotype.
They
support
escape
immunological
surveillance,
aggravate
progression,
impede
T
cell
Although
many
TAMs-modulating
agents
have
shown
success
therapy
multiple
tumors,
they
face
enormous
challenges
including
poor
accumulation
off-target
side
effects.
An
alternative
solution
is
use
advanced
nanostructures,
which
deliver
augment
therapeutic
efficacy,
serve
as
modulators
TAMs.
Another
important
strategy
exploitation
macrophage-derived
components
tumor-targeting
delivery
vehicles.
Herein,
we
summarize
recent
advances
targeting
engineering
for
immunotherapy,
(1)
direct
indirect
effects
on
augmentation
immunotherapy
(2)
strategies
macrophage-based
drug
carriers.
The
existing
perspectives
immunotherapies
are
highlighted.
Journal of Nanobiotechnology,
Journal Year:
2022,
Volume and Issue:
20(1)
Published: Dec. 27, 2022
Abstract
Synthetic
nanoparticles
with
surface
bioconjugation
are
promising
platforms
for
targeted
therapy,
but
their
simple
biological
functionalization
is
still
a
challenging
task
against
the
complex
intercellular
environment.
Once
synthetic
enter
body,
they
phagocytosed
by
immune
cells
system.
Recently,
cell
membrane
camouflage
strategy
has
emerged
as
novel
therapeutic
tactic
to
overcome
these
issues
utilizing
fundamental
properties
of
natural
cells.
Macrophage,
type
system
cells,
plays
critical
roles
in
various
diseases,
including
cancer,
atherosclerosis,
rheumatoid
arthritis,
infection
and
inflammation,
due
recognition
engulfment
function
removing
substances
pathogens.
Macrophage
membranes
inherit
protein
profiles
biointerfacing
source
Therefore,
macrophage
cloaking
can
protect
from
phagocytosis
Meanwhile,
make
use
correspondence
accurately
recognize
antigens
target
inflamed
tissue
or
tumor
sites.
In
this
review,
we
have
summarized
advances
fabrication,
characterization
homing
capacity
cancers,
cardiovascular
central
nervous
microbial
infections.
Although
membrane-camouflaged
currently
fetal
stage
development,
there
huge
potential
challenge
explore
conversion
mode
clinic.
Advanced Materials,
Journal Year:
2022,
Volume and Issue:
34(14)
Published: Feb. 1, 2022
Both
tumor-associated
macrophages
(TAMs)
and
hypoxia
condition
severely
restrict
the
antitumor
potency
during
cancer
immunotherapy.
It
is
essential
to
overcome
two
issues
for
improving
therapeutic
efficacy.
In
this
study,
a
hollow
mesoporous
Prussian
blue
(HMPB)
nanosystem
with
mannose
decoration
hydroxychloroquine
(HCQ)
adsorption
built,
form
Man-HMPB/HCQ.
can
facilitate
cellular
internalization
via
mannose-receptor
mediated
endocytosis
induce
TAM
polarization
iron
ion/HCQ
release
HMPB
degradation.
The
hybrid
macrophage
thylakoid
(TK)
membrane
camouflaged
on
Man-HMPB/HCQ
surface,
denoted
as
TK-M@Man-HMPB/HCQ,
reduce
in
vivo
reticuloendothelial
system
uptake,
enhance
tumor
accumulation,
mitigate
hypoxia.
results
indicate
that
TK-M@Man-HMPB/HCQ
notably
inhibits
growth,
induces
polarization,
facilitates
cytotoxic
T
lymphocytes
infiltration,
alleviates
microenvironment.
rational
design
may
provide
new
pathway
modulate
microenvironment
promoting
immunotherapy
effects.