Frontiers in Immunology,
Год журнала:
2023,
Номер
14
Опубликована: Фев. 27, 2023
The
long
quest
for
efficient
drug
administration
has
been
looking
a
universal
carrier
that
can
precisely
transport
traditional
drugs,
new
genomic
and
proteic
therapeutic
agents.
Today,
researchers
have
found
conditions
to
overcome
the
two
main
delivery
dilemmas.
On
one
side,
versatility
of
vehicle
efficiently
load,
protect
then
release
it
at
target
place.
other
hand,
questions
related
degree
PEGylation
which
are
needed
avoid
nanoparticle
(NP)
aggregation
opsonization
while
preventing
cellular
uptake.
development
different
kinds
lipidic
vehicles
particles
resulted
in
ionizable
lipid
nanoparticles
(iLNPs),
most
typical
problems.
Proof
their
success
is
late
approval
massive
as
prophylactic
vaccine
SARS-CoV-2.
These
ILNPs
built
by
electrostatic
surfactants,
agent,
lipids
self-segregate
from
an
aqueous
solution,
forming
stabilized
with
polymers,
such
PEG.
previous
limitations
low
loading
high
toxicity,
likely
thanks
charge
working
pH
reduced
size,
entry
into
cells
via
endocytosis
rather
than
membrane
perforation
or
fusion,
always
associated
higher
toxicity.
We
herein
revise
primary
features,
synthetic
methods
prepare
characterize
them,
pharmacokinetic
(administration,
distribution,
metabolization
excretion)
aspects,
biodistribution
fate.
Owing
advantages,
iLNPs
potential
systems
improve
management
various
diseases
widely
available
clinical
use.
Nano Today,
Год журнала:
2022,
Номер
48, С. 101730 - 101730
Опубликована: Дек. 21, 2022
Despite
the
various
vaccines
that
have
been
developed
to
combat
coronavirus
disease
2019
(COVID-19)
pandemic,
persistent
and
unpredictable
mutations
of
severe
acute
respiratory
syndrome
2
(SARS-CoV-2)
require
innovative
unremitting
solutions
cope
with
resultant
immune
evasion
establish
a
sustainable
barrier.
Here
we
introduce
vaccine-delivery
system
combination
needle-free
injection
(NFI)
device
SARS-CoV-2-Spike-specific
mRNA-Lipid
Nanoparticle
(LNP)
vaccine.
The
benefits
are
duller
pain
significant
increase
immunogenicity
compared
canonical
needle
(NI).
From
physicochemical
bioactivity
analyses,
structure
mRNA-LNP
maintains
stability
upon
NFI,
contradictory
belief
LNPs
inclined
towards
destruction
under
high-pressure
conditions
NFI.
Moreover,
vaccine
delivered
by
NFI
induces
significantly
more
binding
neutralizing
antibodies
against
SARS-CoV-2
variants
than
same
NI.
Heterogeneous
vaccination
BA.5-LNP
enhanced
generation
Omicron
BA.5
in
rabbits
previously
vaccinated
non-BA.5-specific
or
other
COVID-19
vaccines.
parameters
can
be
adjusted
deliver
subcutaneously
intramuscularly.
Taken
together,
our
results
suggest
NFI-based
is
an
effective
substitute
for
traditional
NI-based
vaccination.
Journal of Controlled Release,
Год журнала:
2023,
Номер
354, С. 726 - 745
Опубликована: Янв. 26, 2023
The
development
of
new
advanced
constructs
resembling
structural
and
functional
properties
human
organs
tissues
requires
a
deep
knowledge
the
morphological
biochemical
extracellular
matrices
(ECM),
capacity
to
reproduce
them.
Manufacturing
technologies
like
3D
printing
bioprinting
represent
valuable
tools
for
this
purpose.
This
review
will
describe
how
ECM
change
in
different
tissues,
organs,
healthy
pathological
states,
mimics
with
required
can
be
generated
by
bioprinting.
describes
classifies
polymeric
materials
natural
synthetic
origin
exploited
generate
hydrogels
acting
as
"inks"
process,
particular
emphasis
on
their
functionalization
allowing
crosslinking
conjugation
signaling
molecules
develop
bio-responsive
bio-instructive
mimics.
Bioengineering,
Год журнала:
2024,
Номер
11(7), С. 664 - 664
Опубликована: Июнь 28, 2024
Recent
advancements
in
3D
bioprinting
and
microfluidic
lab-on-chip
systems
offer
promising
solutions
to
the
limitations
of
traditional
animal
models
biomedical
research.
Three-dimensional
enables
creation
complex,
patient-specific
tissue
that
mimic
human
physiology
more
accurately
than
models.
These
bioprinted
tissues,
when
integrated
with
systems,
can
replicate
dynamic
environment
body,
allowing
for
development
multi-organ
This
integration
facilitates
precise
drug
screening
personalized
therapy
by
simulating
interactions
between
different
organ
systems.
Such
innovations
not
only
improve
predictive
accuracy
but
also
address
ethical
concerns
associated
testing,
aligning
three
Rs
principle.
Future
directions
include
enhancing
resolution,
developing
advanced
bioinks,
incorporating
AI
optimized
system
design.
technologies
hold
potential
revolutionize
development,
regenerative
medicine,
disease
modeling,
leading
effective,
personalized,
humane
treatments.
Journal of Nanobiotechnology,
Год журнала:
2024,
Номер
22(1)
Опубликована: Ноя. 14, 2024
RNA
therapeutics,
such
as
mRNA,
siRNA,
and
CRISPR–Cas9,
present
exciting
avenues
for
treating
diverse
diseases.
However,
their
potential
is
commonly
hindered
by
vulnerability
to
degradation
poor
cellular
uptake,
requiring
effective
delivery
systems.
Lipid
nanoparticles
(LNPs)
have
emerged
a
leading
choice
in
vivo
delivery,
offering
protection
against
degradation,
enhanced
facilitation
of
endosomal
escape.
LNPs
encounter
numerous
challenges
targeted
vivo,
demanding
advanced
particle
engineering,
surface
functionalization
with
targeting
ligands,
profound
comprehension
the
biological
milieu
which
they
function.
This
review
explores
structural
physicochemical
characteristics
LNPs,
in-vivo
fate,
customization
therapeutics.
We
highlight
quality-by-design
(QbD)
approach
beyond
liver,
focusing
on
biodistribution,
immunogenicity,
toxicity.
In
addition,
we
explored
current
strategies
associated
ensuring
repeated-dose
efficacy,
safety,
tissue-specific
gene
delivery.
Furthermore,
provide
insights
into
clinical
applications
various
classes
diseases
finally
prospects
Pharmaceutics,
Год журнала:
2022,
Номер
14(8), С. 1698 - 1698
Опубликована: Авг. 15, 2022
DNA
vaccination
has
been
extensively
studied
as
a
promising
strategy
for
tumor
treatment.
Despite
the
efforts,
therapeutic
efficacy
of
vaccines
limited
by
their
intrinsic
poor
cellular
internalization.
Electroporation,
which
is
based
on
application
controlled
electric
field
to
enhance
penetration
into
cells,
method
choice
produce
acceptable
levels
gene
transfer
in
vivo.
However,
this
may
cause
cell
damage
or
rupture,
non-specific
targeting,
and
even
degradation
pDNA.
Skin
irritation,
muscle
contractions,
pain,
alterations
skin
structure,
irreversible
have
frequently
reported.
To
overcome
these
limitations,
work,
we
use
microfluidic
platform
generate
DNA-loaded
lipid
nanoparticles
(LNPs)
are
then
characterized
combination
dynamic
light
scattering
(DLS),
synchrotron
small-angle
X-ray
(SAXS),
transmission
electron
microscopy
(TEM).
clinical
successes
obtained
LNPs
mRNA
siRNA
delivery,
little
known
about
encapsulating
bulkier
molecules,
remains
challenging.
For
vitro
screening,
were
administered
human
embryonic
kidney
293
(HEK-293)
Chinese
hamster
ovary
(CHO)
lines
ranked
transfection
efficiency
(TE)
cytotoxicity.
The
LNP
formulation
exhibiting
highest
TE
lowest
cytotoxicity
was
tested
delivery
vaccine
pVAX-hECTM
targeting
neoantigen
HER2,
an
oncoprotein
overexpressed
several
cancer
types.
Using
fluorescence-activated
sorting
(FACS),
immunofluorescence
assays
fluorescence
confocal
(FCS),
proved
that
pVAX-hECTM-loaded
massive
expression
HER2
antigen
membrane
HEK-293
cells.
Our
results
provide
new
insights
structure-activity
relationship
pave
way
access
technology
preclinical
studies.
Expert Opinion on Drug Delivery,
Год журнала:
2023,
Номер
20(2), С. 175 - 187
Опубликована: Янв. 1, 2023
Introduction
Messenger
ribonucleic
acid
(mRNA)
and
small
interfering
RNA
(siRNA)
are
biological
molecules
that
can
be
heated,
frozen,
lyophilized,
precipitated,
or
re-suspended
without
degradation.
Currently,
ionizable
lipid
nanoparticles
(LNPs)
a
promising
approach
for
mRNA
therapy.
However,
the
long-term
shelf-life
stability
of
mRNA–ionizable
LNPs
is
one
open
questions
about
their
use
safety.
At
an
acidic
pH,
lipids
shield
anionic
mRNA.
under
storage
conditions
remains
mystery.
Moreover,
excipients
also
cause
instability
during
storage.Area
covered
This
paper
aims
to
illustrate
why
mRNA-ionizable
have
such
limited
half-life.
For
first
time,
we
compile
tentative
reasons
short
half-life
ultra-cold
mRNA-LNPs
in
context
formulation
excipients.
The
article
provided
possible
ways
prolonging
lifespan
long
storage.Expert
opinion
future
genetic
medicine.
Current
limitations
overcome
by
advanced
drying
process
whole
new
hybrid
strategy
extend
shelf
life
LNPs.
A
breakthrough
technology
may
up
research
directions
producing
thermostable
safe
at
room
temperature.
Journal of Colloid and Interface Science,
Год журнала:
2023,
Номер
647, С. 52 - 64
Опубликована: Май 18, 2023
To
evaluate
the
impact
of
polyethylene
glycol
(PEG)
and
zwitterionic
surface
decoration
lipid-based
nanocarriers
(NC)
on
cellular
uptake.Anionic,
neutral
cationic
NCs
based
lecithin
were
compared
with
conventional
PEGylated
regarding
stability
in
biorelevant
fluids,
interaction
endosome
mimicking
membranes,
cytocompatibility,
uptake
permeation
across
intestinal
mucosa.PEGylated
exhibited
a
droplet
size
between
100
125
nm
narrow
distribution.
For
only
minor
alterations
PDI
fasted
state
fluid
mucus
containing
buffer
observed,
demonstrating
similar
bioinert
properties.
Erythrocytes
studies
revealed
enhanced
endosomal
escape
properties
for
to
NCs.
negligible
cytotoxicity
Caco-2
HEK
cells,
even
highest
tested
concentration
1
%
(v/v)
was
recorded.
The
showed
cell
survival
≥75
concentrations
≤0.05
which
considered
as
non-toxic.
up
60-fold
higher
cells
determined
58.5
40.0
respectively,
determined.
results
confirmed
visually
by
life
imaging.
Ex-vivo
experiments
using
rat
mucosa
demonstrated
8.6-fold
lipophilic
marker
coumarin-6
control.
Up
6.9-fold
counterpart
recorded.The
replacement
PEG
surfactants
is
promising
approach
overcome
drawbacks
intracellular
drug
delivery.
In
recent
years,
the
use
of
MXenes,
a
class
two-dimensional
materials
composed
transition
metal
carbides,
nitrides,
or
carbonitrides,
has
shown
significant
promise
in
field
skin
wound
healing.
This
review
explores
multifunctional
properties
focusing
on
their
electrical
conductivity,
photothermal
effects,
and
biocompatibility
this
field.
MXenes
have
been
utilized
to
develop
advanced
healing
devices
such
as
hydrogels,
patches,
smart
bandages
for
examination.
These
offer
enhanced
antibacterial
activity,
promote
tissue
regeneration,
provide
real-time
monitoring
parameters.
The
highlights
synthesis
methods,
chemical
features,
biological
effects
emphasizing
role
innovative
repair
strategies.
Additionally,
it
discusses
potential
MXene-based
sensors
humidity,
pH,
temperature
monitoring,
which
are
crucial
preventing
infections
complications
integration
into
wearable
represents
advancement
management,
promising
improved
clinical
outcomes
quality
life
patients.