Asian Journal of Pharmaceutical Sciences,
Journal Year:
2024,
Volume and Issue:
unknown, P. 100992 - 100992
Published: Nov. 1, 2024
Interfacial
modular
assemblies
of
versatile
polyphenols
have
attracted
widespread
interest
in
surface
and
materials
engineering.
In
this
study,
natural
polyphenol
(tannic
acid,
TA)
nobiletin
(NOB)
can
directly
form
binary
carrier-free
spherical
nanoparticles
(NT
NPs)
through
synergistically
driven
by
a
variety
interactions
(such
as
hydrogen
bonding,
oxidative
reactions,
etc.).
The
synthesis
involves
polyphenolic
deposition
on
hydrophobic
NOB
nanoaggregates,
followed
situ
self-polymerization.
Interestingly,
the
assembled
NT
NPs
exhibit
controllable
dynamic
changes
particle
size
during
initial
stage.
Ultimately,
uniform
appear
stable,
with
high
loading
capability,
enabling
incorporated
to
preserve
their
function.
Furthermore,
vitro
evaluations
demonstrate
that
rational
combination
module
induce
apoptosis
inhibit
tumor
metastasis
for
both
lung
cancer
H1299
human
fibrosarcoma
HT1080
cell
lines.
Notably,
optimized
NT48
were
then
verified
vivo
experiments
achieve
promising
synergistic
anti-tumor
efficacy.
These
findings
not
only
provide
new
opportunities
streamlined
sensible
engineering
future
polyphenol-based
biomaterials,
but
also
open
up
prospects
design
small-molecule
nature
phytochemicals.
Cell Biology and Toxicology,
Journal Year:
2025,
Volume and Issue:
41(1)
Published: March 8, 2025
Triple-negative
breast
cancer
(TNBC)
poses
as
a
daunting
and
intricate
manifestation
of
cancer,
highlighted
by
few
treatment
options
poor
outlook.
The
crucial
element
in
fostering
tumor
growth
immune
resistance
is
the
polarization
tumor-associated
macrophages
(TAMs)
into
M2
state
within
microenvironment
(TME).
To
address
this,
we
developed
targeting
peptide-chitosan-curcumin
nanoparticles
(M2pep-Cs-Cur
NPs),
targeted
delivery
system
utilizing
chitosan
(Cs)
carrier,
curcumin
(Cur)
therapeutic
agent,
peptides
for
specificity.
These
NPs
effectively
inhibited
TNBC
cell
proliferation
(~
70%)
invasion
70%),
while
increasing
responsiveness
tumors
to
anti-PD-L1
50%
survival
enhancement)
vitro
vivo.
Bioinformatics
analysis
suggested
that
Cur
modulates
TAM
influencing
key
genes
such
COX-2,
offering
insights
its
underlying
mechanisms.
This
study
highlights
potential
M2pep-Cs-Cur
reverse
TAMs,
providing
promising
strategy
overcome
immunotherapy
improve
outcomes.
International Journal of Clinical Practice,
Journal Year:
2024,
Volume and Issue:
2024(1)
Published: Jan. 1, 2024
Oleuropein
is
the
main
compound
in
olives,
producing
a
relatively
bitter
taste
for
unprocessed
and
raw
olives.
It
has
been
dramatically
applied
herbal
traditional
medicine
contains
several
biological
functions,
anti‐inflammatory
effects,
antimicrobial
characteristics,
anticancer
antioxidant
activities.
The
present
study
dealt
with
cytotoxic
effect,
reactive
oxygen
species
(ROS)
suppressor,
wound‐healing
activity
of
oleuropein
on
normal
skin
cells.
Oleuropein’s
apoptotic
effects
were
evaluated
using
MTT,
flow
cytometry,
DAPI
staining.
Moreover,
oleuropein’s
possible
free
radical
scavenging
properties
studied
through
methods,
including
2,
2‐diphenyl‐1‐picrylhydrazyl
(DPPH)
ABTS
tests.
scratch
assay
was
performed
features,
qRT‐PCR
expression
apoptosis‐associated
genes.
found
to
have
effect
cells
at
higher
exposure
doses.
Apoptosis
induced
cytometry
histogram
treated
oleuropein.
results
also
revealed
strong
anti‐inflammation
They
suggested
that
more
studies
are
necessary
assess
pharmacological
use
prevent
or
decrease
skin‐related
diseases.
Drug Delivery,
Journal Year:
2024,
Volume and Issue:
31(1)
Published: Aug. 17, 2024
Methotrexate
(MTX)
is
a
folic
acid
antagonist
routinely
used
in
cancer
treatment,
characterized
by
poor
water
solubility
and
low
skin
permeability.
These
issues
could
be
mitigated
using
drug
delivery
systems,
such
as
functionalized
gold
nanoparticles
(AuNPs),
known
for
their
versatility
unique
properties.
This
study
aimed
to
develop
multi-shell
AuNPs
with
MTX
the
improvement
of
antitumoral,
antioxidant,
biocompatibility
features.
Stable
phosphine-coated
were
synthesized
tailored
polyethylene
glycol
(PEG)
short-branched
polyethyleneimine
(PEI)
moieties,
followed
covalent
binding.
Physicochemical
characterization
UV-vis
Fourier-transform
infrared
spectroscopy
(FTIR)
spectroscopy,
dynamic
light
scattering
(DLS),
scanning
transmission
electron
microscopy
(STEM),
X-ray
photoelectron
(XPS)
confirmed
synthesis
at
each
step.
The
antioxidant
activity
was
determined
DPPH
radical
scavenging
assay,
ferric
ions'
reducing
power
(FRAP),
cupric
capacity
(CUPRAC)
assays.
Biocompatibility
cytotoxicity
assessed
MTT
LDH
assays
on
HaCaT
human
keratinocytes
CAL27
squamous
cell
carcinoma.
demonstrated
enhanced
pronounced
cytotoxic
effect
tumoral
cells
compared
individual
components,
highlighting
potential
improving
therapy.