Pharmaceutics,
Journal Year:
2023,
Volume and Issue:
15(2), P. 567 - 567
Published: Feb. 8, 2023
The
progress
in
brain
diseases
treatment
is
limited
by
the
blood-brain
barrier
(BBB),
which
prevents
delivery
of
vast
majority
drugs
from
blood
into
brain.
In
this
study,
we
discover
unknown
phenomenon
opening
BBBB
(BBBO)
low-level
laser
(LLLT,
1268
nm)
mouse
cortex.
LLLT-BBBO
accompanied
activation
drainage
system
contributing
effective
liposomes
glioblastoma
(GBM).
LLLT
induces
generation
singlet
oxygen
without
photosensitizers
(PSs)
endothelial
cells
and
astrocytes,
can
be
a
trigger
mechanism
BBBO.
causes
ABC-transport
with
temporal
decrease
expression
tight
junction
proteins.
BBB
recovery
neuronal
metabolic
activity
stabilization
permeability.
used
as
new
opportunity
interstitial
PS-free
photodynamic
therapy
(PDT)
for
modulation
tumor
immunity
improvement
immuno-therapy
GBM
infants
whom
PDT
PSs,
radio-
chemotherapy
are
strongly
limited,
well
adults
high
allergic
reaction
to
PSs.
International Journal of Nanomedicine,
Journal Year:
2024,
Volume and Issue:
Volume 19, P. 1767 - 1807
Published: Feb. 1, 2024
Abstract:
Addressing
disorders
related
to
the
central
nervous
system
(CNS)
remains
a
complex
challenge
because
of
presence
blood-brain
barrier
(BBB),
which
restricts
entry
external
substances
into
brain
tissue.
Consequently,
finding
ways
overcome
limited
therapeutic
effect
imposed
by
BBB
has
become
goal
in
advancing
delivery
systems
targeted
brain.
In
this
context,
intranasal
route
emerged
as
promising
solution
for
delivering
treatments
directly
from
nose
through
olfactory
and
trigeminal
nerve
pathways
thus,
bypassing
BBB.
The
use
lipid-based
nanoparticles,
including
nano/microemulsions,
liposomes,
solid
lipid
nanostructured
carriers,
shown
promise
enhancing
efficiency
nose-to-brain
delivery.
These
nanoparticles
facilitate
drug
absorption
nasal
membrane.
Additionally,
situ
gel
(ISG)
gained
attention
owing
its
ability
extend
retention
time
administered
formulations
within
cavity.
When
combined
with
ISG
creates
synergistic
effect,
further
overall
effectiveness
brain-targeted
strategies.
This
comprehensive
review
provides
thorough
investigation
administration.
It
delves
strengths
limitations
specific
considering
anatomical
complexities
influential
factors
that
play
role
during
dosing.
Furthermore,
study
introduces
strategic
approaches
incorporating
framework
applications.
Finally,
recent
information
on
approved
products
clinical
trial
status
administration,
along
inclusion
quality-by-design–related
insights.
Keywords:
system,
based
nanoparticle,
gel,
Pharmaceuticals,
Journal Year:
2024,
Volume and Issue:
17(5), P. 612 - 612
Published: May 10, 2024
Overcoming
the
blood–brain
barrier
(BBB)
remains
a
significant
hurdle
in
effective
drug
delivery
to
brain.
While
BBB
serves
as
crucial
protective
barrier,
it
poses
challenges
delivering
therapeutic
agents
their
intended
targets
within
brain
parenchyma.
To
enhance
for
treatment
of
neurological
diseases,
several
technologies
circumvent
have
been
developed
last
few
years.
Among
them,
nanoparticles
(NPs)
are
one
most
versatile
and
promising
tools.
Here,
we
summarize
characteristics
NPs
that
facilitate
penetration,
including
size,
shape,
chemical
composition,
surface
charge,
importantly,
conjugation
with
various
biological
or
synthetic
molecules
such
glucose,
transferrin,
insulin,
polyethylene
glycol,
peptides,
aptamers.
Additionally,
discuss
coating
surfactants.
A
comprehensive
overview
common
vitro
vivo
models
NP
penetration
studies
is
also
provided.
The
discussion
extends
discussing
impairment
under
pathological
conditions
leveraging
alterations
delivery.
Emphasizing
need
future
uncover
inherent
properties
NPs,
review
advocates
role
beyond
systems
calls
efforts
translating
clinic
therapeutics.
Overall,
stand
out
highly
strategy
precise
targeting
disorders.
Journal of Nanobiotechnology,
Journal Year:
2023,
Volume and Issue:
21(1)
Published: Jan. 28, 2023
Abstract
Although
some
tumor
has
become
a
curable
disease
for
many
patients,
involvement
of
the
central
nervous
system
(CNS)
is
still
major
concern.
The
blood–brain
barrier
(BBB),
special
structure
in
CNS,
protects
brain
from
bloodborne
pathogens
via
its
excellent
properties
and
hinders
new
drug
development
tumor.
Recent
breakthroughs
nanotechnology
have
resulted
various
nanovehicless
(NPs)
as
carriers
to
cross
BBB
by
different
strategys.
Here,
complex
compositions
characteristics
causes
formation
are
elucidated
exhaustively.
Additionally,
versatile
nanovehicles
with
their
recent
applications
pathways
on
delivery
strategies
overcome
obstacle
anti-brain
briefly
discussed.
Customizing
nanoparticles
treatments
proposed
improve
efficacy
gut
brain.
This
review
provides
broad
perspective
customizing
nano-vehicles
facilitate
distribution
across
pave
way
creation
innovative
nanotechnology-based
nanomaterials
treatments.
Pharmaceutics,
Journal Year:
2023,
Volume and Issue:
15(2), P. 505 - 505
Published: Feb. 2, 2023
Primary
malignant
brain
tumors
are
the
most
common
solid
neoplasm
in
childhood.
Despite
recent
advances,
many
children
affected
by
aggressive
or
metastatic
still
present
poor
prognosis,
therefore
development
of
more
effective
therapies
is
urgent.
Cancer
stem
cells
(CSCs)
have
been
discovered
and
isolated
both
pediatric
adult
patients
with
(e.g.,
medulloblastoma,
gliomas
ependymoma).
CSCs
a
small
clonal
population
cancer
responsible
for
tumor
initiation,
maintenance
progression,
displaying
resistance
to
conventional
anticancer
therapies.
characterized
specific
repertoire
surface
markers
intracellular
pathways.
These
unique
features
biology
offer
opportunity
build
therapeutic
approaches
specifically
target
these
complex
bulk.
Treatment
classical
chemotherapeutic
regimen
poses
challenges
location
presence
blood-brain
barrier
(BBB).
Lastly,
application
chemotherapy
developing
followed
long-term
sequelae,
especially
on
cognitive
abilities.
Novel
avenues
emerging
panorama
taking
advantage
nanomedicine.
In
this
review
we
will
summarize
nanoparticle-based
efficacy
that
NPs
intrinsically
demonstrated
how
they
also
decorated
biomolecules.
Furthermore,
propose
novel
cargoes
together
advances
nanoparticle
design/synthesis
final
aim
insidious
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Feb. 13, 2024
Recent
research
has
highlighted
the
promising
potential
of
cold
atmospheric
plasma
(CAP)
in
cancer
therapy.
However,
variations
study
outcomes
are
attributed
to
differences
CAP
devices
and
parameters,
which
lead
diverse
compositions
products,
including
electrons,
charged
particles,
reactive
species,
UV
light,
heat.
This
aimed
evaluate
compare
optimal
exposure
time,
duration,
direction-dependent
cellular
effects
two
CAPs,
based
on
argon
helium
gases,
glioblastoma
U-87
MG
cells
an
animal
model
GBM.
Two
jets
were
used
as
low-temperature
sources
or
gas
was
ionized
by
high
voltage
(4.5
kV)
frequency
(20
kHz).
In
vitro
assessments
human
GBM
normal
astrocyte
cell
lines,
using
MTT
assays,
flow
cytometry
analysis,
wound
healing
immunocytochemistry
for
Caspase3
P53
proteins,
demonstrated
that
all
studied
jets,
especially
indirect
CAP,
selectively
induced
apoptosis,
hindered
tumor
growth,
inhibited
migration.
These
occurred
concurrently
with
increased
intracellular
levels
oxygen
species
decreased
total
antioxidant
capacity
cells.
vivo
results
further
supported
these
findings,
indicating
single
direct
therapy,
equal
dose
Temozolomide
treatment,
death
a
rat
concurrent
reduction
size
observed
through
PET-CT
scan
imaging
significant
increase
survival
rate.
Additionally,
there
decrease
GFAP
protein
levels,
marker,
expression
immunohistochemical
analyses.
Furthermore,
Ledge
beam
test
analysis
revealed
general
motor
function
improvement
after
similar
treatment.
Taken
together,
suggest
holds
great
promise
clinical
applications
Abstract
Gliomas
are
the
most
common
primary
tumors
of
central
nervous
system,
with
glioblastoma
multiforme
(GBM)
having
highest
incidence,
and
their
therapeutic
efficacy
depends
primarily
on
extent
surgical
resection
postoperative
chemotherapy.
The
role
intracranial
blood–brain
barrier
occurrence
drug‐resistant
gene
O6‐methylguanine‐DNA
methyltransferase
have
greatly
limited
chemotherapeutic
agents
in
patients
GBM
made
it
difficult
to
achieve
expected
clinical
response.
In
recent
years,
rapid
development
nanotechnology
has
brought
new
hope
for
treatment
tumors.
Nanoparticles
(NPs)
shown
great
potential
tumor
therapy
due
unique
properties
such
as
light,
heat,
electromagnetic
effects,
passive
targeting.
Furthermore,
NPs
can
effectively
load
drugs,
significantly
reduce
side
effects
improve
efficacy,
showing
chemotherapy
glioma.
this
article,
we
reviewed
mechanisms
glioma
drug
resistance,
physicochemical
NPs,
advances
resistance.
We
aimed
provide
perspectives
Cancers,
Journal Year:
2024,
Volume and Issue:
16(1), P. 236 - 236
Published: Jan. 4, 2024
The
blood–brain
barrier
(BBB)
poses
a
significant
challenge
to
drug
delivery
for
brain
tumors,
with
most
chemotherapeutics
having
limited
permeability
into
non-malignant
tissue
and
only
restricted
access
primary
metastatic
cancers.
Consequently,
due
the
drug’s
inability
effectively
penetrate
BBB,
outcomes
following
chemotherapy
continue
be
suboptimal.
Several
methods
open
BBB
obtain
higher
concentrations
in
tumors
have
been
proposed,
selection
of
optimal
method
depending
on
size
targeted
tumor
volume,
chosen
therapeutic
agent,
individual
patient
characteristics.
Herein,
we
aim
comprehensively
describe
osmotic
disruption
intra-arterial
administration,
intrathecal/intraventricular
laser
interstitial
thermal
therapy,
convection-enhanced
delivery,
ultrasound
methods,
including
high-intensity
focused
low-intensity
as
well
tumor-treating
fields.
We
explain
scientific
concept
behind
each
method,
preclinical/clinical
research,
advantages
disadvantages,
indications,
potential
avenues
improvement.
Given
that
has
its
limitations,
it
is
unlikely
future
will
rely
single
but
rather
synergistic
effect
combined
approach.
Disruption
infusion
or
ultrasound,
followed
by
drugs,
promising
Real-time
monitoring
necessary
results.
Signal Transduction and Targeted Therapy,
Journal Year:
2024,
Volume and Issue:
9(1)
Published: March 4, 2024
Abstract
Temozolomide
(TMZ)
represents
a
standard-of-care
chemotherapeutic
agent
in
glioblastoma
(GBM).
However,
the
development
of
drug
resistance
constitutes
significant
hurdle
treatment
malignant
glioma.
Although
specific
innovative
approaches,
such
as
immunotherapy,
have
shown
favorable
clinical
outcomes,
inherent
invasiveness
most
gliomas
continues
to
make
them
challenging
treat.
Consequently,
there
is
an
urgent
need
identify
effective
therapeutic
targets
for
overcome
chemoresistance
and
facilitate
development.
This
investigation
used
mass
spectrometry
examine
proteomic
profiles
six
pairs
GBM
patients
who
underwent
surgery
both
primary
recurrent
tumors.
A
total
648
proteins
exhibiting
differential
expression
were
identified.
Gene
Set
Enrichment
Analysis
(GSEA)
unveiled
notable
alterations
pathways
related
METABOLISM_OF_LIPIDS
BIOLOGICAL_OXIDATIONS
between
groups.
Validation
through
glioma
tissue
arrays
Xiangya
cohort
confirmed
substantial
upregulation
inositol
1,4,5-triphosphate
(IP3)
kinase
B
(ITPKB)
recurrence
group,
correlating
with
poor
survival
patients.
In
TMZ-resistant
cells,
depletion
ITPKB
led
increase
reactive
oxygen
species
(ROS)
NADPH
oxidase
(NOX)
activity
restored
cell
sensitivity
TMZ.
Mechanistically,
decreased
phosphorylation
E3
ligase
Trim25
at
S100
position
samples
accounted
weakened
ubiquitination.
This,
turn,
elevated
stability
impaired
ROS
production.
Furthermore,
or
inhibitor
GNF362
effectively
TMZ
xenograft
mouse
model.
These
findings
reveal
novel
mechanism
underlying
propose
promising
target
GBM.
Frontiers in Pharmacology,
Journal Year:
2024,
Volume and Issue:
15
Published: March 4, 2024
Transferrin
(Tf),
widely
known
for
its
role
as
an
iron-binding
protein,
exemplifies
multitasking
in
biological
processes.
The
of
Tf
iron
metabolism
involves
both
the
uptake
from
by
various
cells,
well
endocytosis
mediated
complex
and
transferrin
receptor
(TfR).
direct
conjugation
therapeutic
compound
immunotoxin
studies
using
peptide
or
anti-Tf
antibodies
targeting
moieties
aims
to
prolong
drug
circulation
time
augment
efficient
cellular
uptake,
diminish
systemic
toxicity,
traverse
blood-brain
barrier,
restrict
exposure,
overcome
multidrug
resistance,
enhance
efficacy
with
disease
specificity.
This
review
primarily
discusses
actions
Tf,
development
Tf-targeted
nano-based
delivery
systems.
goal
is
establish
use
a
disease-targeting
component,
accentuating
potential
applications
this
protein.