Developmental medico-life-sciences,
Journal Year:
2024,
Volume and Issue:
1(8), P. 1 - 3
Published: Dec. 18, 2024
INTRODUCTIONOver
the
past
decade,
immunotherapy
has
redefined
landscape
for
cancer
treatment,
providing
unprecedented
survival
benefits
across
a
broad
swath
of
tumors.
The
ability
to
harness
and
modulate
immune
system
transformed
outcomes
patients,
from
checkpoint
inhibitors
(ICIs)
advanced
cellular
therapies,
such
as
chimeric
antigen
receptor
(CAR)
T
cells
CAR
macrophages
(CAR-MΦ).
However,
these
advancements
have
come
with
new
challenges,
variability
in
efficacy,
toxicities,
lack
efficacy
against
immunosuppressive
tumor
microenvironment
(TME),
especially
solid
tumors[1].
In
this
editorial,
we
explore
major
advances
immunotherapy,
potential
combination
therapies
CAR-MΦ,
need
approaches
overcome
evolving
challenges.
Immune
Checkpoint
Inhibitors:
cancers
melanoma,
NSCLC,
RCC,
ICIs
become
cornerstone
immunotherapy.
block
inhibitory
receptors
PD-1,
PD-L1,
CTLA-4,
thereby
enable
suppression
unleash
effective
anti-tumor
response.
many
provided
durable
responses
some
patients
survived
more
than
five
years.
We
landmark
trials
that
show
significant
improvements
overall
(OS)
progression-free
(PFS)
vs.
chemotherapy
metastatic
refractory
cancers[2].
Nevertheless,
despite
all
advances,
not
respond
ICIs.
Resistance
is
due
heterogeneity,
evasion
mechanisms,
TME.
addition,
immune-mediated
adverse
events
(images),
including
gastrointestinal,
dermatologic,
endocrine
continue
be
barriers.
Biomarker
discovery
PD-L1
expression
mutational
burden
will
increasingly
important
field
evolves
identifying
most
likely
benefit
personalized
therapy
minimal
risk
cost[3].
Cellular
Therapies:
CAR-T
Cells
Emerging
Role
CAR-MacrophagesHowever,
are
transformative;
now
frontier
Remarkable
success
cells,
which
involve
engineering
express
tumor-specific
receptors,
been
shown
hematologic
malignancies,
particularly
leukemia
lymphoma.
Despite
barriers,
however,
tumors
still
limited[4].
New
CAR-MΦ
emerging
novel
solution
meet
Chimeric
engineered
into
capable
targeting
while
modifying
hostile
After
binds
through
phagocytosis,
they
actively
engulf
secreting
pro-inflammatory
cytokines
reprogram
TME
immunostimulatory.
addition
stimulating
other
like
natural
killer
(NK)
also
amplify
responses[5].
Promising
safety
demonstrated
by
early
clinical
trials,
those
HER2-expressing
can
persist
within
tumor,
physical
synergize
immunotherapies.
Safety
issues,
remain,
notably
possibility
cytokine
release
syndrome
(CRS)
macrophage
activation
(MAS)[6].
Macrophages'
intrinsic
role
inflammation
regulation,
may
provide
controlled
response
cells.
These
risks
being
mitigated
tailored
strategies,
IL-10
expression,
ensure
safe
application[7].
Combination
future
strategies
its
limitations
improve
efficacy.
preclinical
models,
synergistic
activity
anti-PD-L1
anti-CTLA-4.
blockade
reinvigorates
exhausted
remodels
TME,
making
it
hospitable
sustained
attack[8].
Efforts
biochemical
barriers
equally
required.
Since
secrete
or
enzymes
digest
extracellular
matrix
enhances
cell
infiltration
persistence
tumors,
hypothesized
could
diphtheria
toxin,
elicits
an
site.
Moreover,
immunotherapies
alone,
when
combined
conventional
radiotherapy,
increase
presentation,
infiltration,
response[9].
CONCLUSION
Immunotherapy
fundamentally
changed
how
treated
given
who
were
once
untreatable
hope.
remain
promising
innovation
unique
advantages
because
phagocytosing
presenting
antigens,
reprogramming
TME.A
rational
approach
ICIs,
treatments
would
future.
Additionally,
concerns
addressed
rigorous
long-term
follow-up
optimize
treatment
strategies.
As
stand
on
brink
frontier,
challenge
scientific
community
clear:
needs
refined
expand
reach,
becomes
mainstay
care,
offer
cures
where
none
existed
before.
Journal of Advanced Research,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
After
significant
advancements
in
tumor
treatment,
personalized
cell
therapy
based
on
chimeric
antigen
receptors
(CAR)
holds
promise
for
transforming
the
management
of
various
diseases.
CAR-T
therapy,
first
approved
CAR
product,
has
demonstrated
therapeutic
potential
treating
infectious
diseases,
autoimmune
disorders,
and
fibrosis.
CAR-macrophages
(CAR-Ms)
are
emerging
as
a
promising
approach
immune
particularly
solid
highlighting
feasibility
using
macrophages
to
eliminate
pathogens
abnormal
cells.
Cancer Letters,
Journal Year:
2024,
Volume and Issue:
unknown, P. 217350 - 217350
Published: Nov. 1, 2024
Pancreatic
cancer
remains
one
of
the
most
challenging
malignancies
to
treat
due
its
late-stage
diagnosis,
aggressive
progression,
and
high
resistance
existing
therapies.
This
review
examines
latest
advancements
in
early
detection,
therapeutic
strategies,
with
a
focus
on
emerging
biomarkers,
tumor
microenvironment
(TME)
modulation,
integration
artificial
intelligence
(AI)
data
analysis.
We
highlight
promising
including
microRNAs
(miRNAs)
circulating
DNA
(ctDNA),
that
offer
enhanced
sensitivity
specificity
for
early-stage
diagnosis
when
combined
multi-omics
panels.
A
detailed
analysis
TME
reveals
how
components
such
as
cancer-associated
fibroblasts
(CAFs),
immune
cells,
extracellular
matrix
(ECM)
contribute
therapy
by
creating
immunosuppressive
barriers.
also
discuss
interventions
target
these
components,
aiming
improve
drug
delivery
overcome
evasion.
Furthermore,
AI-driven
analyses
are
explored
their
potential
interpret
complex
data,
enabling
personalized
treatment
strategies
real-time
monitoring
response.
conclude
identifying
key
areas
future
research,
clinical
validation
regulatory
frameworks
AI
applications,
equitable
access
innovative
comprehensive
approach
underscores
need
integrated,
outcomes
pancreatic
cancer.
Current Issues in Molecular Biology,
Journal Year:
2025,
Volume and Issue:
47(2), P. 90 - 90
Published: Jan. 31, 2025
Chimeric
antigen
receptor-T
(CAR-T)
cell
therapy
has
demonstrated
impressive
efficacy
in
the
treatment
of
blood
cancers;
however,
its
effectiveness
against
solid
tumors
been
significantly
limited.
The
differences
arise
from
a
range
difficulties
linked
to
tumors,
including
an
unfriendly
tumor
microenvironment,
variability
within
and
barriers
CAR-T
infiltration
longevity
at
location.
Research
shows
that
reasons
for
decreased
cells
treating
are
not
well
understood,
highlighting
ongoing
need
strategies
address
these
challenges.
Current
frequently
incorporate
combinatorial
therapies
designed
boost
functionality
enhance
their
capacity
effectively
target
tumors.
However,
remain
testing
phase
necessitate
additional
validation
assess
potential
benefits.
CAR-NK
(natural
killer),
CAR-iNKT
(invariant
natural
killer
T),
CAR-M
(macrophage)
emerging
as
promising
Recent
studies
highlight
construction
optimization
cells,
emphasizing
overcome
unique
challenges
posed
by
such
hypoxia
metabolic
barriers.
This
review
focuses
on
CAR
Frontiers in Immunology,
Journal Year:
2025,
Volume and Issue:
16
Published: Feb. 5, 2025
Immunotherapy
has
revolutionized
cancer
treatment,
offering
hope
for
patients
with
otherwise
treatment-resistant
tumors.
Among
the
most
promising
approaches
are
cellular
therapies,
particularly
chimeric
antigen
receptor
T-cell
(CAR-T)
therapy,
which
shown
remarkable
success
in
hematologic
malignancies.
However,
application
of
these
therapies
to
solid
tumors,
such
as
lung
and
colorectal
cancers,
faced
significant
challenges.
Tumor
resistance
mechanisms—ranging
from
immune
evasion,
loss,
checkpoint
upregulation,
tumor
microenvironment
immunosuppression—remain
major
obstacles.
This
mini-review
highlights
latest
advancements
immunotherapy,
a
focus
on
addresses
mechanisms
that
hinder
their
effectiveness
cancers.
We
examine
evolution
CAR-T
cell
well
potential
engineered
natural
killer
(NK)
cells
macrophages
treatment.
The
review
also
explores
cutting-edge
strategies
aimed
at
overcoming
resistance,
including
combination
gene
editing
technologies,
nanotechnology
targeted
drug
delivery.
By
discussing
molecular,
cellular,
microenvironmental
factors
contributing
we
aim
provide
comprehensive
overview
how
challenges
can
be
overcome,
paving
way
more
effective,
personalized
immunotherapies
Experimental Hematology and Oncology,
Journal Year:
2025,
Volume and Issue:
14(1)
Published: Feb. 13, 2025
Abstract
Background
Chronic
myeloid
leukemia
stem
cells
(CML-LSCs),
which
exhibit
resistance
to
tyrosine
kinase
inhibitors
(TKIs),
are
the
leading
cause
of
treatment
failure
and
recurrence
in
chronic
(CML).
This
highlights
urgent
need
for
novel
therapies
aimed
at
eliminating
these
CML-LSCs.
Chimeric
antigen
receptor
macrophages
(CAR-M)
not
only
perform
phagocytosis
on
target
but
also
function
as
antigen-presenting
cells,
thereby
activating
anti-tumor
immune
response.CD26
(dipeptidyl
peptidase
4,
DPP
IV)
is
abundantly
expressed
CML-LSCs
functions
a
tumor-specific
(TSA)
CAR-M
treatment.
The
purpose
this
study
evaluate
CAR-M’s
efficacy
targeting
CD26-positive
CML
develop
strategy
Methods
CD26
was
constructed
using
mouse-derived
macrophage
Raw264.7
cells.
overexpressed
cell
lines
BP210
BP210-T315I.
verified
confocal
microscopy
flow
cytometry.
X-ray
used
eliminate
tumorigenicity
CAR-M,
safety
through
CCK-8,
clone
formation
assays,
animal
experiments.
To
assess
anti-leukemia
ability
mouse
model,
survival,
peripheral
blood
white
counts,
infiltration
liver,
spleen,
bone
marrow
(BM)
were
measured.
Additionally,
CAR-THP1
constructed,
its
phagocytic
against
NCI-H2452
confirmed
by
microscopy.
Results
We
successfully
validated
targeted
both
vitro
vivo.
data
indicate
that
has
higher
efficiency
than
CD26-negative
CAR-M-treated
mice
demonstrated
extended
survival
reduced
invasion.
In
addition,
normally
express
CD26.
Conclusion
demonstrates
effectively
targets
phagocytizes
implying
with
could
be
viable
method
eradicating
Furthermore,
our
discoveries
illuminate
potential
application
treating
hematological
malignancies.
Biomedicine & Pharmacotherapy,
Journal Year:
2024,
Volume and Issue:
181, P. 117753 - 117753
Published: Dec. 1, 2024
Chimeric
Antigen
Receptor
T-cell
(CAR-T)
therapy
has
revolutionized
the
treatment
of
hematological
malignancies.
However,
its
effectiveness
against
solid
tumors
remains
constrained
by
challenges
such
as
exhaustion,
limited
persistence,
and
off-target
effects.
These
highlight
critical
gaps
in
current
CAR-T
cell
therapeutic
strategies,
particularly
for
tumor
applications.
Circular
RNAs
(circRNAs)
represent
a
transformative
class
non-coding
RNAs,
known
their
exceptional
stability
precise
regulatory
functions,
positioning
them
promising
candidates
enhancing
next-generation
therapies.
Notably,
circRNAs
can
bridge
gap
between
preclinical
research
clinical
application
offering
innovative
solutions
to
overcome
technical
hurdles
improve
outcomes.
Despite
potential,
remain
underexplored
therapies
tumors,
presenting
significant
opportunity
innovation.
The
mechanisms
through
which
modulate
specificity
are
not
yet
fully
understood,
challenges,
achieving
efficient
targeted
circRNA
delivery,
still
need
be
addressed.
This
review
highlights
importance
integrating
into
enhance
specificity,
minimize
effects,
durability.
By
emphasizing
potential
identifying
key
gaps,
this
provides
roadmap
advancing
setting
stage
next
generation
personalized
cancer
treatments.
Molecular Cancer,
Journal Year:
2024,
Volume and Issue:
23(1)
Published: Dec. 6, 2024
Pancreatic
ductal
adenocarcinoma
(PDAC)
is
one
of
the
most
malignant
tumors.
Macrophages
are
abundant
in
tumor
microenvironment,
making
them
an
attractive
target
for
therapeutic
intervention.
While
current
immunotherapies,
including
immune
checkpoint
inhibition
(ICI)
and
chimeric
antigen
receptor
T
(CAR-T)
cells,
have
shown
limited
efficacy
pancreatic
cancer,
a
novel
approach
involving
macrophages
(CAR-M)
has,
although
promising,
not
been
explored
cancer.
In
this
study,
we
first
investigated
role
CAR-M
cells
targeting
c-MET
The
effectiveness
rationality
as
cancer
were
validated
through
bioinformatic
analyses
immunohistochemical
staining
samples
from
patients.
We
utilized
flow
cytometry
bioluminescence
detection
methods
to
demonstrate
specific
binding
phagocytic
killing
effect
on
cells.
Additionally,
observed
process
engulfing
using
confocal
microscopy
long-term
fluorescence
live
cell
imaging
system.
situ
model
transplanted
into
NOD/SCID
mice,
administered
intraperitoneal
injections
confirm
its
inhibitory
function
Furthermore,
these
findings
human
monocyte-derived
(hMDM).
Bioinformatics
tissue
microarray
revealed
significantly
higher
expression
levels
tissues,
compared
paired
peritumoral
correlated
with
worse
patient
survival.
engineered
monocytic
THP-1
line
hMDM
(CAR-M-c-MET).
CAR-M-c-MET
demonstrated
highly
exhibited
more
phagocytosis
abilities
than
pro-inflammatory
polarized
control
macrophages.
addition,
synergized
various
cytotoxic
chemotherapeutic
drugs.
murine
model,
intraperitoneally
injected
rapidly
migrated
substantially
inhibited
growth,
which
did
lead
obvious
side
effects.
Cytokine
arrays
mRNA
sequencing
showed
that
produced
activators
This
study
provides
compelling
evidence
safety
therapy
treating
results
suppresses
progression
enhances
chemotherapy.
Remarkably,
no
discernible
effects
occur.
Further
clinical
trials
warranted