RSC Chemical Biology,
Год журнала:
2024,
Номер
5(9), С. 891 - 900
Опубликована: Янв. 1, 2024
We
optimize
a
peptide
dendrimer
transfection
reagent
to
deliver
large
CRISPR/Cas9
plasmid
DNA
into
cells,
elucidate
its
delivery
mechanism,
and
demonstrate
gene
editing
efficiency.
Journal of Nanobiotechnology,
Год журнала:
2024,
Номер
22(1)
Опубликована: Янв. 3, 2024
Abstract
Exosomes
are
nanoscale
extracellular
vesicles
secreted
by
cells
and
enclosed
a
lipid
bilayer
membrane
containing
various
biologically
active
cargoes
such
as
proteins,
lipids,
nucleic
acids.
Engineered
exosomes
generated
through
genetic
modification
of
parent
show
promise
drug
delivery
vehicles,
they
have
been
demonstrated
to
great
therapeutic
potential
for
treating
cancer,
cardiovascular,
neurological,
immune
diseases,
but
systematic
knowledge
is
lacking
regarding
optimization
loading
assessment
efficacy.
This
review
summarizes
current
approaches
engineering
evaluating
their
effects,
techniques
assessing
exosome
release
kinetics,
cell
targeting,
biodistribution,
pharmacokinetics,
outcomes
critically
examined.
Additionally,
this
synthesizes
the
latest
applications
in
clinical
translation.
The
compiled
provides
framework
rational
design
rigorous
therapeutics.
Continued
advancement
robust
characterization
methods
reporting
standards
will
accelerate
development
technologies
pave
way
studies.
Graphical
International Journal of Molecular Sciences,
Год журнала:
2024,
Номер
25(14), С. 7715 - 7715
Опубликована: Июль 14, 2024
Exosomes
are
small
vesicles
containing
proteins,
nucleic
acids,
and
biological
lipids,
which
responsible
for
intercellular
communication.
Studies
have
shown
that
exosomes
can
be
utilized
as
effective
drug
delivery
vehicles
to
accurately
deliver
therapeutic
substances
target
tissues,
enhancing
effects
reducing
side
effects.
Mesenchymal
stem
cells
(MSCs)
a
class
of
widely
used
tissue
engineering,
regenerative
medicine,
immunotherapy.
derived
from
MSCs
special
immunomodulatory
functions,
low
immunogenicity,
the
ability
penetrate
tumor
high
yield,
expected
engineered
into
efficient
systems.
Despite
promising
promise
MSC-derived
exosomes,
exploring
their
optimal
preparation
methods,
drug-loading
modalities,
potential
remains
challenging.
Therefore,
this
article
reviews
related
characteristics,
application,
risks
systems
in
order
find
breakthroughs.
Abstract
Cancer
immunotherapy
has
demonstrated
significant
efficacy
in
various
tumors,
but
its
effectiveness
treating
Hepatocellular
Carcinoma
(HCC)
remains
limited.
Therefore,
there
is
an
urgent
need
to
identify
a
new
target
and
develop
corresponding
intervention
strategies.
Bioinformatics
analysis
revealed
that
growth
differentiation
factor
15
(GDF15)
highly
expressed
HCC
closely
related
poor
prognosis
of
patients.
The
previous
study
GDF15
can
promote
immunosuppression
the
tumor
microenvironment.
knocking
out
through
gene
editing
could
potentially
reverse
suppressive
immune
microenvironment
permanently.
To
deliver
CRISPR/Cas9
system
specifically
HCC,
nanocapsules
(SNC)
coated
with
targeting
peptides
(SP94)
on
their
surface
utilized.
These
incorporate
disulfide
bonds
(SNC
SS
)
release
contents
characterized
by
high
levels
glutathione
(GSH).
In
vivo,
SNC
cells,
exert
marked
inhibitory
effect
progression,
immunotherapy.
Mechanistically,
CyTOF
showed
favorable
changes
immunocytes
killer
function
increased
inhibitive
decreased.
findings
highlight
potential
CRISPR‐Cas9
modulating
improving
existing
approaches
for
HCC.
Journal of Nanobiotechnology,
Год журнала:
2024,
Номер
22(1)
Опубликована: Июнь 18, 2024
Abstract
The
use
of
nanomaterials
in
gene
editing
and
synthetic
biology
has
emerged
as
a
pivotal
strategy
the
pursuit
refined
treatment
methodologies
for
pulmonary
disorders.
This
review
discusses
utilization
nanomaterial-assisted
tools
techniques
to
promote
development
more
precise
efficient
treatments
diseases.
First,
we
briefly
outline
characterization
respiratory
system
succinctly
describe
principal
applications
diverse
lung
ailment
treatment.
Second,
elaborate
on
gene-editing
tools,
their
configurations,
assorted
delivery
methods,
while
delving
into
present
state
nanomaterial-facilitated
interventions
spectrum
Subsequently,
expound
its
deployment
biomedicine,
focusing
research
advances
diagnosis
conditions
against
backdrop
coronavirus
disease
2019
pandemic.
Finally,
summarize
extant
lacunae
current
delineate
prospects
advancement
this
domain.
holistic
approach
augments
pioneering
solutions
treatment,
thereby
endowing
patients
with
efficacious
personalized
therapeutic
alternatives.
Spatiotemporally
controlled
cancer
therapy
may
offer
great
advantages
in
precision
medicine,
but
still
remains
some
challenges
programmed
sequential
release
and
co-localization
of
components
at
target
sites.
Herein,
a
MXene-based
nanoprobe
(TCC@M)
is
meticulously
designed
by
engineering
photodynamically
activated
CRISPR-Cas9
cell
membrane-camouflaged
Ti
Advances in chemical and materials engineering book series,
Год журнала:
2024,
Номер
unknown, С. 170 - 225
Опубликована: Янв. 25, 2024
The
ever-evolving
field
of
nanotechnology
has
led
to
groundbreaking
advancements
in
biomedical
science,
particularly
through
the
development
hybrid
nanomaterials.
This
chapter
explores
synthesis,
characterization,
and
diverse
applications
these
materials,
which
combine
advantageous
properties
both
organic
inorganic
constituents
for
optimized
functionality.
text
delves
into
use
nanomaterials
areas
such
as
drug
delivery,
diagnostics,
tissue
engineering,
biosensors.
A
key
case
study
demonstrating
wound-healing
silver
nanoparticle-loaded
nanofibrous
scaffolds
is
included.
also
addresses
challenges
ethical
considerations
associated
with
clinical
translation
Therefore,
this
serves
a
comprehensive
guide
readers
interested
understanding
harnessing
immense
potential
applications.
Clustered
regularly
interspaced
short
palindromic
repeat
(CRISPR)
gene
editing
has
poor
efficacy
and
off-target
side
effect
concerns.
We
herein
report
a
semiconducting
polymer
(SP)-based
nanoCRISPR
system
to
improve
CRISPR
delivery
allow
for
near-infrared
(NIR)
photoactivatable
cancer
therapy.
An
amphiphilic
SP
acts
as
photothermal
converter,
its
backbone
is
grafted
with
single-stranded
deoxyribonucleic
acid
(DNA),
which
enables
hybridization
single
guide
ribonucleic
(sgRNA)
via
complementary
base
pairing
form
sgRNA/SP-DNA.
This
sgRNA/SP-DNA
nanosystem
(nanoCRISPR)
can
effectively
deliver
sgRNA
into
cells
generate
heat
under
NIR
laser
irradiation
the
effect.
The
localized
triggers
dissociation
of
DNA
control
release
sgRNA,
thereby
achieving
precise
regulation
activity.
technology
able
precisely
regulate
expression
green
fluorescent
protein
(GFP)
polo-like
kinase
1
(PLK1)
precision
T
cell-mediated
cancer
immunotherapy
harnesses
the
power
of
cytotoxic
lymphocytes
(CTLs)
to
target
and
eradicate
tumor
cells.
However,
cells
often
evade
immune
attack
through
membrane
repair
mechanisms
involving
endosomal
sorting
complexes
required
for
transport
(ESCRT)
suppression
within
microenvironment.
Here,
we
developed
a
robust
TMV@PpCHIL
nanomedicine
address
these
issues
by
reprogramming
via
in
situ
gene
editing.
Using
CRISPR/Cas9,
disrupted
Chmp4b
gene,
key
component
ESCRT
machinery,
preventing
from
repairing
CTL-induced
damage.
Simultaneously,
genetically
engineered
produce
interleukin-12
(IL-12),
cytokine
that
enhances
CTL
activation.
The
nanomedicine,
designed
coating
vesicles
(TMVs)
onto
polyamidoamine
(PAMAM)
dendrimer-condensed
plasmid
complexes,
ensured
efficient
CRISPR/Cas9-based
editing
sustained
IL-12
production.
This
approach
significantly
enhanced
CTL-mediated
cell
cytotoxicity,
suppressed
growth,
reduced
metastasis,
prolonged
survival,
providing
promising
strategy
durable
treatment.