Biophysics Reports,
Journal Year:
2023,
Volume and Issue:
9(5), P. 255 - 255
Published: Jan. 1, 2023
Harnessing
surface
engineering
strategies
to
functionalize
nucleic
acid-lipid
nanoparticles
(LNPs)
for
improved
performance
has
been
a
hot
research
topic
since
the
approval
of
first
siRNA
drug,
patisiran,
and
two
mRNA-based
COVID-19
vaccines,
BNT162b2
mRNA-1273.
Currently,
efforts
have
mainly
made
construct
targeted
LNPs
organ-
or
cell-type-specific
delivery
acid
drugs
by
conjugation
with
various
types
ligands.
In
this
review,
we
describe
acid-LNPs,
considering
ligand
types,
chemistries,
incorporation
methods.
We
then
outline
general
purification
characterization
techniques
that
are
frequently
used
following
step
emphasize
specific
certain
Next,
comprehensively
summarize
currently
accessible
organs
cell
as
well
other
applications
engineered
LNPs.
Finally,
provide
considerations
formulating
discuss
challenges
successfully
translating
"proof
concept"
from
laboratory
into
clinic.
believe
addressing
these
could
accelerate
development
surface-engineered
beyond.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Feb. 12, 2024
Abstract
Efficient
cytosolic
delivery
of
RNA
molecules
remains
a
formidable
barrier
for
therapeutic
strategies.
Lipid
nanoparticles
(LNPs)
serve
as
state-of-the-art
carriers
that
can
deliver
intracellularly,
exemplified
by
the
recent
implementation
several
vaccines
against
SARS-CoV-2.
Using
bottom-up
rational
design
approach,
we
assemble
LNPs
contain
programmable
lipid
phases
encapsulating
small
interfering
(siRNA).
A
combination
cryogenic
transmission
electron
microscopy,
tomography
and
small-angle
X-ray
scattering
reveals
form
inverse
hexagonal
structures,
which
are
present
in
liquid
crystalline
nature
within
LNP
core.
Comparison
with
lamellar
presence
enhances
intracellular
silencing
efficiency
over
structures.
We
then
demonstrate
exhibit
an
situ
transition
from
to
phase
upon
interaction
anionic
membranes,
whereas
containing
pre-programmed
bypass
this
more
efficient
one-step
mechanism,
explaining
increased
effect.
This
defined
structures
aids
understanding
nano-bio
interface
adds
substantial
value
design,
optimization
use.
Journal of Colloid and Interface Science,
Journal Year:
2024,
Volume and Issue:
660, P. 66 - 76
Published: Jan. 5, 2024
The
development
of
lipid
nanoparticle
(LNP)
based
therapeutics
for
delivery
RNA
has
triggered
the
advance
new
strategies
formulation,
such
as
high
throughput
microfluidics
precise
mixing
components
into
well-defined
particles.
In
this
study,
we
have
characterised
structure
LNPs
throughout
formulation
process
using
in
situ
small
angle
x-ray
scattering
microfluidic
chip,
then
by
sampling
subsequent
dialysis
process.
final
was
investigated
with
(SAXS)
and
neutron
(SANS)
scattering,
dynamic
light
(DLS)
cryo-TEM.
effect
on
a
benchmark
composition
containing
different
cargos:
calf
thymus
DNA
(DNA)
two
model
mRNAs,
polyadenylic
acid
(polyA)
polyuridylic
(polyU).
LNP
evolved
during
channel,
however
only
fully
developed
dialysis.
colloidal
stability
affected
type
incorporated
nucleic
acids
(NAs)
decreased
degree
base-pairing,
polyU
induced
extensive
particle
aggregation.
main
NA
peak
SAXS
data
were
similar,
repeat
distance
increasing
from
polyU
Molecular Pharmaceutics,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 29, 2025
Lipid-mediated
delivery
of
active
pharmaceutical
ingredients
(API)
opened
new
possibilities
in
advanced
therapies.
By
encapsulating
an
API
into
a
lipid
nanocarrier
(LNC),
one
can
safely
deliver
APIs
not
soluble
water,
those
with
otherwise
strong
adverse
effects,
or
very
fragile
ones
such
as
nucleic
acids.
However,
for
the
rational
design
LNCs,
detailed
understanding
composition-structure-function
relationships
is
missing.
This
review
presents
currently
available
computational
methods
LNC
investigation,
screening,
and
design.
The
state-of-the-art
physics-based
approaches
are
described,
focus
on
molecular
dynamics
simulations
all-atom
coarse-grained
resolution.
Their
strengths
weaknesses
discussed,
highlighting
aspects
necessary
obtaining
reliable
results
simulations.
Furthermore,
machine
learning,
i.e.,
data-based
approach
to
lipid-mediated
introduced.
data
produced
by
experimental
theoretical
provide
valuable
insights.
Processing
these
help
optimize
LNCs
better
performance.
In
final
section
this
Review,
computer
reviewed,
specifically
addressing
compatibility
Proceedings of the National Academy of Sciences,
Journal Year:
2023,
Volume and Issue:
120(50)
Published: Dec. 6, 2023
Lipid
nanoparticles
(LNPs)
are
advanced
core-shell
particles
for
messenger
RNA
(mRNA)
based
therapies
that
made
of
polyethylene
glycol
(PEG)
lipid,
distearoylphosphatidylcholine
(DSPC),
cationic
ionizable
lipid
(CIL),
cholesterol
(chol),
and
mRNA.
Yet
the
mechanism
pH-dependent
response
is
believed
to
cause
endosomal
release
LNPs
not
well
understood.
Here,
we
show
eGFP
(enhanced
green
fluorescent
protein)
protein
expression
in
mouse
liver
mediated
by
lipids
DLin-MC3-DMA
(MC3),
DLin-KC2-DMA
(KC2),
DLinDMA
(DD)
ranks
MC3
≥
KC2
>
DD
despite
similar
delivery
mRNA
per
cell
all
fractions
isolated.
We
hypothesize
three
CIL-LNPs
react
differently
pH
changes
hence
study
structure
CIL/chol
bulk
phases
water.
Using
synchrotron
X-ray
scattering
a
sequence
ordered
mesophases
with
lowering
values
observed.
These
isotropic
inverse
micellar,
cubic
Fd3m
hexagonal
[Formula:
see
text]
bicontinuous
Pn3m
symmetry.
If
polyadenylic
acid,
as
surrogate,
added
CIL/chol,
excess
coexists
condensed
nucleic
acid
phase.
The
next-neighbor
distance
phase
shows
discontinuity
at
micellar
transition
occurring
6
distinctly
larger
spacing
hydration
vs.
KC2.
In
LNPs,
showed
internal
spacing,
retarded
onset
reduced
level
DD-LNP-mediated
vitro
compared
Our
data
suggest
pH-driven
Fd3m-[Formula:
hallmark
CIL-specific
differences
LNP
efficacy.
Molecular Pharmaceutics,
Journal Year:
2023,
Volume and Issue:
20(8), P. 4285 - 4296
Published: July 18, 2023
The
recent
clinical
and
commercial
success
of
lipid
nanoparticles
(LNPs)
for
nucleic
acid
delivery
has
incentivized
the
development
new
technologies
to
manufacture
LNPs.
As
emerge,
researchers
must
determine
which
assess
how
perform
comparative
evaluations.
In
this
article,
we
use
a
quality-by-design
approach
systematically
investigate
mixer
technology
used
form
LNPs
influences
LNPstructure.
Specifically,
coaxial
turbulent
jet
staggered
herringbone
microfluidic
were
compared
via
matched
formulation
process
conditions.
A
full-factorial
design-of-experiments
study
with
three
factors
levels
was
executed
each
compare
robustness
in
production
antisense
oligonucleotide
(ASO)
ASO-LNPs
generated
consistently
smaller,
had
narrower
particle
size
distribution,
higher
ASO
encapsulation
as
mixer,
but
greater
variation
internal
structure
less
ordered
cores.
subset
replicated
mRNA-LNPs
comparable
trends
encapsulation,
more
frequent
bleb
features
produced
by
mixer.
design
here
provides
road
map
may
different
(or
changes
broadly)
such
studies
can
inform
manufacturing
control
strategies.
Advanced Drug Delivery Reviews,
Journal Year:
2024,
Volume and Issue:
213, P. 115419 - 115419
Published: Aug. 5, 2024
RNA
medicines
represent
a
paradigm
shift
in
treatment
and
prevention
of
critical
diseases
global
significance,
e.g.,
infectious
diseases.
The
highly
successful
messenger
(mRNA)
vaccines
against
severe
acute
respiratory
syndrome
coronavirus
2
(SARS-CoV-2)
were
developed
at
record
speed
during
the
disease
2019
pandemic.
A
consequence
this
is
exceptionally
shortened
vaccine
development
times,
which
combination
with
adaptability
makes
technology
attractive
for
pandemic
preparedness.
Here,
we
review
state
art
design
delivery
based
on
different
modalities,
including
linear
mRNA,
self-amplifying
RNA,
trans-amplifying
circular
RNA.
We
provide
an
overview
clinical
pipeline
diseases,
present
analytical
procedures,
are
paramount
characterizing
quality
attributes
guaranteeing
their
quality,
discuss
future
perspectives
using
to
combat
pathogens
beyond
SARS-CoV-2.
Advanced Healthcare Materials,
Journal Year:
2024,
Volume and Issue:
13(14)
Published: Feb. 22, 2024
Plasmalogens
(vinyl-ether
phospholipids)
are
an
emergent
class
of
lipid
drugs
against
various
diseases
involving
neuro-inflammation,
oxidative
stress,
mitochondrial
dysfunction,
and
altered
metabolism.
They
can
activate
neurotrophic
neuroprotective
signaling
pathways
but
low
bioavailabilities
limit
their
efficiency
in
curing
neurodegeneration.
Here,
liquid
crystalline
nanoparticles
(LNPs)
created
for
the
protection
non-invasive
intranasal
delivery
purified
scallop-derived
plasmalogens.
The
vivo
results
with
a
transgenic
mouse
Parkinson's
disease
(PD)
model
(characterized
by
motor
impairments
α-synuclein
deposition)
demonstrate
crucial
importance
LNP
composition,
which
determines
self-assembled
nanostructure
type.
Vesicle
hexosome
nanostructures
small-angle
X-ray
scattering)
display
different
efficacy
nanomedicine-mediated
recovery
function,
balance,
transcriptional
regulation
(e.g.,
reduced
neuro-inflammation
PD
pathogenic
gene
expression).
Intranasal
vesicular
hexosomal
plasmalogen-based
treatment
leads
to
improvement
behavioral
symptoms
downregulation
Il6,
Il33,
Tnfa
genes.
Moreover,
RNA-sequencing
lipidomic
analyses
establish
dramatic
effect
nanomedicines
on
amelioration,
metabolism,
type
number
responsive
transcripts
that
may
be
implicated
neuroregeneration.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(27)
Published: March 5, 2024
Abstract
Chimeric
antigen
receptor
(CAR)
monocyte
and
macrophage
therapies
are
promising
solid
tumor
immunotherapies
that
can
overcome
the
challenges
facing
conventional
CAR
T
cell
therapy.
mRNA
lipid
nanoparticles
(mRNA‐LNPs)
offer
a
viable
platform
for
in
situ
engineering
of
monocytes
with
transient
tunable
expression
to
reduce
off‐tumor
toxicity
streamline
manufacturing.
However,
identifying
LNPs
tropism
intracellular
delivery
potency
is
difficult
using
traditional
screening
techniques.
Here,
ionizable
design
high‐throughput
vivo
utilized
identify
new
class
oxidized
innate
monocytes.
A
library
(oLNPs)
unoxidized
(uLNPs)
synthesized
evaluate
immune
cells.
oLNPs
demonstrate
notable
differences
morphology,
ionization
energy,
p
K
,
thereby
enhancing
human
macrophages,
but
not
Subsequently,
DNA
barcodes
identifies
an
oLNP
formulation,
C14‐O2,
In
proof‐of‐concept
study,
C14‐O2
LNP
used
engineer
functional
CD19‐CAR
robust
B
aplasia
(45%)
healthy
mice.
This
work
highlights
utility
as
macrophages/monocytes