Frontiers in Oncology,
Journal Year:
2024,
Volume and Issue:
14
Published: Aug. 6, 2024
An
array
of
published
cell-based
and
small
animal
studies
have
demonstrated
a
variety
exposures
cancer
cells
or
experimental
carcinomas
to
electromagnetic
(EM)
wave
platforms
that
are
non-ionizing
non-thermal.
Overall
effects
appear
be
inhibitory,
inducing
cell
stress
death
as
well
inhibition
in
tumor
growth
models.
A
physical
input
variables,
including
discrete
frequencies,
amplitudes,
exposure
times,
been
tested,
but
drawing
methodologic
rationale
mechanistic
conclusions
across
is
challenging.
Nevertheless,
outputs
such
cytotoxicity,
apoptosis,
membrane
electroporation
leak,
reactive
oxygen
species
generation
intriguing.
Early
EM
humans
employ
pulsed
electric
fields
applied
either
externally
using
interventional
contact
induce
with
stromal,
vascular,
immunologic
sparing.
It
also
possible
direct
external
non-thermal
waves
magnetic
may
generate
electromotive
forces
engage
unique
properties,
glycocalyx
carcinoma
disruption
stress,
providing
novel
avenues
augment
antigen
release,
cross-presentation
by
tumor-resident
immune
cells,
anti-tumor
immunity.
Integration
existing
checkpoint
inhibitor
strategies
boost
immunotherapeutic
emerge
broadly
effective
strategy,
little
has
considered
tested
this
area.
Unlike
the
use
chemo/radiation
and/or
targeted
therapies
cancer,
allow
for
survival
tumor-associated
naïve
sensitized
T
cells.
Moreover,
EM-induced
apoptosis
potentiate
endogenous
antigen-specific
Clinical
examining
few
these
combined
EM-platform
approaches
their
infancy,
greater
thrust
research
(including
basic,
clinical,
translational
work)
understanding
how
integrate
immunotherapy
will
critical
driving
advances
outcomes
under
promising
combination.
Frontiers in Oncology,
Journal Year:
2023,
Volume and Issue:
13
Published: Oct. 17, 2023
Glioblastoma
(GBM)
represents
a
significant
therapeutic
challenge
due
to
its
aggressive
nature.
Tumor
Treating
Fields
(TTFields)
present
promising
approach
GBM
therapy.
The
primary
mechanism
of
TTFields,
an
antimitotic
effect,
alongside
numerous
indirect
effects
including
increased
cell
membrane
permeability,
signifies
their
potential
in
combination
with
other
treatment
modalities.
Current
combinations
often
include
chemotherapy,
particularly
temozolomide
(TMZ),
however,
emerging
data
suggests
synergy
targeted
therapies,
radiotherapy,
and
immunotherapy
as
well.
TTFields
display
minimal
side
effects,
predominantly
skin-related,
posing
no
barrier
combined
therapies.
effectiveness
has
been
demonstrated
through
several
post-registration
studies,
advocating
for
continued
research
optimize
overall
survival
(OS)
progression-free
(PFS)
patients,
opposed
focusing
solely
on
quality
life.
Cancer Reports,
Journal Year:
2023,
Volume and Issue:
6(5)
Published: March 29, 2023
Abstract
Background
Malignant
brain
tumors
are
among
the
most
threatening
diseases
of
central
nervous
system,
and
despite
increasingly
updated
treatments,
prognosis
has
not
been
improved.
Tumor
treating
fields
(TTFields)
an
emerging
approach
in
cancer
treatment
using
intermediate‐frequency
low‐intensity
electric
field
can
lead
to
development
novel
therapeutic
options.
Recent
Findings
A
series
biological
processes
induced
by
TTFields
exert
anti‐cancer
effects
have
identified.
studies
shown
that
alter
bioelectrical
state
macromolecules
organelles
involved
biology.
Massive
alterations
cell
proteomics
transcriptomics
caused
were
related
as
well
multiple
organelle
structures
activities.
This
review
addresses
mechanisms
recent
advances
application
therapy
malignant
tumors,
especially
glioblastoma
(GBM).
Conclusions
As
a
strategy,
promising
results
many
clinical
trials,
GBM,
continue
evolve.
growing
number
patients
with
being
enrolled
ongoing
demonstrating
TTFields‐based
combination
therapies
improve
outcomes.
Cancers,
Journal Year:
2025,
Volume and Issue:
17(7), P. 1211 - 1211
Published: April 2, 2025
Glioblastoma
(GBM)
remains
a
challenging
cancer
to
treat
with
limited
effective
therapies.
Standard
treatments,
including
surgery,
radiotherapy,
chemotherapy,
targeted
therapy,
and
immunotherapy,
offer
marginal
survival
benefits
but
are
often
by
side
effects
drug
resistance.
Temozolomide
is
the
most
commonly
used
chemotherapy;
however,
resistance
lack
of
efficacy
in
recurrent
GBM
hinder
its
success.
Tumor
treating
fields
(TTFields),
novel
non-invasive
modality
that
utilizes
alternating
electric
fields,
have
recently
emerged
as
promising
treatment
for
GBM.
TTFields
work
disrupting
function
mitotic
spindle
inducing
apoptosis
cells.
They
can
be
especially
when
combined
other
enhance
delivery
paired
chemotherapy
increasing
permeability
blood-brain
barrier
cell
membranes,
leading
more
tumor
inhibition.
Similarly,
increase
sensitivity
radiation
therapy
improve
therapies,
such
sorafenib
particularly
extra-cranial
tumors.
The
Optune
device,
primary
medical
device
TTFields'
delivery,
offers
convenient
versatile
option,
allowing
remote
care
exhibiting
fewer
adverse
effects.
This
review
discusses
potential
valuable
addition
treatment,
combination
highlights
device's
clinical
applications.
Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 19, 2024
Abstract
Glioblastoma
(GBM),
the
most
aggressive
and
treatment-resistant
form
of
brain
cancer,
is
significantly
influenced
by
GBM
stem
cells
(GSCs),
which
contribute
to
tumor
initiation
recurrence.
In
this
study,
we
introduce
two
novel
proteolysis-targeting
chimeras
(PROTACs),
AN-1
AN-2,
engineered
degrade
BCL-XL,
a
critical
anti-apoptotic
protein
in
BCL-2
family.
These
PROTACs
are
optimized
from
ABT-263
uniquely
utilize
MDM2
as
an
E3
ligase,
strategy
not
previously
employed
therapy.
Our
approach
leverages
high
expression
GSCs
versus
its
low
platelets,
enhancing
therapeutic
specificity
reducing
risk
thrombocytopenia—a
major
side
effect
direct
BCL-XL
inhibition.
Both
vitro
in
vivo
studies
demonstrate
that
AN-2
effectively
inhibit
GSC
proliferation,
promote
apoptosis,
substantially
improve
survival
rates
without
inducing
thrombocytopenia.
This
work
only
highlights
potential
targeting
underutilized
ligases
for
cancer
therapy
but
also
suggests
highly
selective
treating
might
overcome
current
limitations
existing
therapies.
Operative Neurosurgery,
Journal Year:
2024,
Volume and Issue:
27(5), P. 523 - 532
Published: May 8, 2024
BACKGROUND
AND
OBJECTIVES:
Previous
mechanisms
of
opening
the
blood–brain
barrier
(BBB)
created
a
hypertonic
environment.
Focused
ultrasound
(FUS)
has
recently
been
introduced
as
means
controlled
BBB
opening.
Here,
we
performed
scoping
review
to
assess
advances
in
drug
delivery
across
for
treatment
brain
tumors
identify
and
literature
gaps.
METHODS:
A
current
was
conducted
through
MEDLINE
search
inclusive
articles
on
FUS,
BBB,
tumor
barrier,
including
human,
modeling,
animal
studies
written
English.
Using
Rayyan
platform,
2
reviewers
(J.P
C.Y)
identified
967
publications.
224
were
chosen
after
title
screen.
Ultimately
98
reviewed.
The
designed
address
following
questions:
(1)
What
FUS
technology
improvements
have
made
augment
tumors?
(2)
occurred
ensure
better
uptake
target
tissue
RESULTS:
Microbubbles
(MB)
with
are
used
(BBBO)
cavitation
increase
its
permeability.
Drug
into
central
nervous
system
can
be
combined
MB
enhance
transport
therapeutic
agents
resulting
suppression
growth
prolonging
survival
rate,
well
reducing
systemic
toxicity
degradation
rate.
There
is
accumulating
evidence
demonstrating
that
BBBO
FUS-MB
improves
concentrations
provides
impact
rates,
compared
drug-only
treatments.
CONCLUSION:
role
BBBO.
Identified
gaps
include
microenvironment
extracellular
space,
improved
understanding
control
delivery,
further
work
ideal
pharmacologics
clinical
use.
Neuro-Oncology Advances,
Journal Year:
2024,
Volume and Issue:
6(1)
Published: Jan. 1, 2024
Abstract
Background
While
directionally
rotating
tumor-treating
fields
(TTF)
therapy
has
garnered
considerable
clinical
interest
in
recent
years,
there
been
comparatively
less
focus
on
non-rotating
electric
field
(dnEFT).
Methods
We
explored
dnEFT
generated
through
customized
electrodes
as
a
glioblastoma
vitro
and
vivo
preclinical
models.
The
effects
of
tumor
apoptosis
microglia/macrophages
the
microenvironment
were
tested
using
flow-cytometric
qPCR
assays.
Results
In
vitro,
clinical-grade
spinal
cord
stimulator
showed
antineoplastic
activity
against
independent
cell
lines.
support
results
obtained
electrode,
delivered
customized,
2-electrode
array
induced
apoptosis.
To
characterize
this
effect
vivo,
custom-designed
4-electrode
was
fabricated
such
that
cells
can
be
implanted
into
murine
cerebrum
center
channel
equidistant
from
electrodes.
After
implantation
with
luciferase-expressing
GL261
cells,
mice
randomized
to
or
placebo.
Relative
placebo-treated
mice,
reduced
growth
(measured
by
bioluminescence)
prolonged
survival
(median
gain
6.5
days).
Analysis
brain
sections
following
notable
increase
accumulation
peritumoral
macrophage/microglia
increased
expression
M1
genes
(IFNγ,
TNFα,
IL-6)
decreased
M2
(CD206,
Arg,
IL-10)
relative
tumors.
Conclusions
Our
suggest
therapeutic
potential
for
electrodes,
supporting
development
proof-of-principle
trial
commercially
available
deep