Multifunctional Polypeptide-Based Nanoconjugates for Targeted Mitochondrial Delivery and Nonviral Gene Therapy
Chemistry of Materials,
Journal Year:
2025,
Volume and Issue:
37(4), P. 1457 - 1467
Published: Feb. 5, 2025
Despite
recent
advances
in
nanomedicine,
developing
multifunctional
nanocarriers
capable
of
targeted
subcellular
delivery
and
efficient
gene
therapy
remains
a
significant
challenge.
This
study
reports
the
design,
synthesis,
evaluation
novel
polypeptide-based
nanoconjugate
that
addresses
this
gap
using
sequential
delivery,
combining
mitochondrial
targeting
nonviral
therapy.
We
engineered
poly-l-ornithine-based,
polyethylene
glycol-modified
carrier
introduced
custom-designed
trivalent
compound
(TRV3)
into
structure.
TRV3,
conjugated
to
polypeptide
via
redox-sensitive
disulfide
linker,
incorporates
well-described
triphenylphosphonium
moiety
(TPP)
for
Cy5
fluorophore
as
model
drug.
The
resulting
(C-TRV3-A)
demonstrated
endosomal
escape
localization.
Leveraging
endosomolytic
properties
C-TRV3-A,
we
explored
its
potential
vector
After
optimizing
formulation
stability
VLC-3
anionic
coating,
developed
plasmid
DNA
polyplexes
exhibited
enhanced
transfection
efficiency
basic
advanced
triple-negative
breast
cancer
cell
culture
models.
represents
advance
field,
offering
chemically
versatile
platform
simultaneous
may
be
used
treatments,
among
other
pathologies.
Language: Английский
A light-driven molecular motor-polypeptide conjugate supports controlled cell uptake
Journal of Materials Chemistry B,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
A
light-driven
molecular
motor-polypeptide
conjugate
links
a
motor
to
mitochondria-targeted
polyglutamate.
Upon
405
nm
light
irradiation,
it
shifts
from
micelles
worm-like
structures,
boosting
cellular
uptake
and
specificity.
Language: Английский
Total cardiolipin levels in gastric and colon cancer: evaluating the prognostic potential
Lipids in Health and Disease,
Journal Year:
2025,
Volume and Issue:
24(1)
Published: Feb. 27, 2025
Cardiolipin
(CL)
is
a
signature
phospholipid
of
mitochondria
that
maintains
the
integrity
mitochondrial
membrane
and
supports
proper
function.
Alterations
in
CL
level
composition
can
impair
or,
conversely,
improve
function
bioenergetics,
both
which
are
critical
for
cancer
metabolism.
However,
conflicting
reports
on
levels
across
different
types
limited
research
using
human
patient
samples
limit
our
understanding
its
diagnostic
potential.
This
cross-sectional
study
explores
concentrations
gastric
colon
tissues
CL-specific
fluorescent
probe
MitoCLue
compares
them
to
adjacent
healthy
tissues.
In
cancer,
showed
no
significant
differences
between
tumor
tissues,
suggesting
metabolic
shifts
do
not
affect
total
content.
contrast,
exhibited
33%
increase
levels,
indicating
adaptation
and/or
mass
cancer.
No
associations
were
found
demographic
factors;
although
weak
correlation
with
body
index
was
noted.
We
successfully
applied
quantitatively
assess
from
patients
or
The
distinct
suggest
there
cancer-type
specific
adaptations,
reflecting
unique
bioenergetic
demands
reprogramming
pathways.
While
observed
compared
this
modest
variation
may
utility
as
standalone
biomarker.
Language: Английский