Enhanced brain delivery and antiproliferative activity of resveratrol using milk-derived exosomes
Journal of Agriculture and Food Research,
Год журнала:
2024,
Номер
18, С. 101370 - 101370
Опубликована: Авг. 25, 2024
The
polyphenol
resveratrol
(RSV)
undergoes
extensive
phase
II
metabolism,
which
limits
its
bioavailability
and
bioactivity,
including
anticancer
effects.
Growing
preclinical
evidence
reinforces
milk-derived
exosomes
(EXOs)
as
promising
nanocarrier
drugs
bioactives
delivery
systems.
Herein,
to
overcome
the
mentioned
RSV's
drawbacks,
EXOs
were
loaded
with
RSV
(EXO-RSV)
evaluate
brain
in
Sprague-Dawley
rats
vitro
antiproliferative
effects
against
human
neuroblastoma
SH-SY5Y
glioblastoma
U-87MG
cancer
cells
compared
non-encapsulated
RSV.
Pharmacokinetic
analyses
perfused
brains
showed
detection
only
after
EXO-RSV
administration,
not
administration.
Encapsulation
also
resulted
lower
concentrations
of
II-derived
metabolites
circulation.
Additionally,
blood-brain
barrier
(BBB)
transport
assays
using
microvascular
endothelial
(HBMECs)
corroborated
that
encapsulation
enhanced
efficiency
protected
it
from
cellular
metabolism.
In
silico
phase-II
conjugates,
primarily
3-glucuronide,
capacity
than
cross
BBB.
Finally,
(47−750
nM)
an
increased
dose-dependent
efficacy
on
both
cell
lines
(10
μM),
was
ineffective
72
h
treatment.
Our
findings
suggest
protect
metabolism
enhance
activity.
Язык: Английский
Exosomes: Traversing the blood-brain barrier and their therapeutic potential in brain cancer
Biochimica et Biophysica Acta (BBA) - Reviews on Cancer,
Год журнала:
2025,
Номер
unknown, С. 189300 - 189300
Опубликована: Март 1, 2025
Язык: Английский
Metabolic Profiling of a Mediterranean-Inspired (Poly)phenol-Rich Mixture in the Brain: Perfusion Effect and In Vitro Blood–Brain Barrier Transport Validation
Journal of Agricultural and Food Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 24, 2025
A
Mediterranean
diet
rich
in
(poly)phenols
has
been
linked
to
neuroprotection,
but
its
effects
likely
depend
on
the
ability
of
phenolic
metabolites
cross
blood-brain
barrier
(BBB).
This
study
evaluated
kinetics
plasma
and
brain
distribution
Sprague-Dawley
rats
following
oral
administration
a
polyphenol-rich
extract
mixture
from
foods
(pomegranate,
lemon,
orange,
grape,
olive).
UPLC-ESI-QTOF
analyses
revealed
39
phenolic-derived
plasma,
which
20
were
nonperfused
(NPB)
19
perfused
brains
(PB),
including
hydroxytyrosol
tyrosol
sulfates,
ellagic
acid,
dihydrocaffeic
derived
metabolites.
Kinetic
data
showed
substantially
higher
metabolite
concentrations
than
brain,
with
slightly
levels
NPB.
The
BBB
transport
efficiency
was
validated
vitro
using
human
microvascular
endothelial
cells
(HBMECs),
showing
improved
when
tested
as
mixtures.
These
findings
confirm
that
circulating
can
reach
tissues,
contributing
preventing
neurodegenerative
diseases.
Язык: Английский