Regulating
inflammatory
microglia
presents
a
promising
strategy
for
treating
neurodegenerative
and
autoimmune
disorders,
yet
effective
therapeutic
agents
delivery
to
these
cells
remains
challenge.
This
study
investigates
modified
lipid
nanoparticles
(LNP)
mRNA
hyperactivated
microglia,
particularly
those
with
pro-inflammatory
characteristics,
utilizing
supervised
machine
learning
(ML)
classifiers.
We
developed
screened
library
of
216
LNP
formulations
varying
compositions,
N/P
ratios,
hyaluronic
acid
(HA)
modifications.
The
transfection
efficiency
eGFP
was
assessed
in
the
BV-2
murine
cell
line
under
different
immunological
states,
including
resting
activated
conditions
(LPS-activated
IL4/IL13-activated).
ML-guided
morphometric
analysis
tracked
phenotypes
various
subtypes
before
after
transfection.
Four
ML
classifiers
were
investigated
predict
phenotypic
changes
based
on
design
parameters.
Multi-Layer
Perceptron
(MLP)
neural
network
emerged
as
best-performing
model,
achieving
weighted
F1-scores
≥0.8.
While
it
accurately
predicted
responses
from
LPS-activated
cells,
struggled
IL4/IL13-activated
cells.
MLP
model
validated
by
predicting
performance
four
unseen
delivering
BV2
HA-LNP2
optimal
formulation
target
IL10
mRNA,
effectively
suppressing
phenotypes,
evidenced
shifts
morphology,
increased
expression,
reduced
TNF-α
levels.
also
evaluated
human
iPSC-derived
confirming
its
efficacy
modulating
responses.
highlights
potential
tailored
techniques
enhance
therapy
neuroinflammatory
disorders
leveraging
carrier's
immunogenic
properties
modulate
microglial
Journal of Biomedical Science,
Год журнала:
2023,
Номер
30(1)
Опубликована: Окт. 7, 2023
mRNA-based
drugs
have
tremendous
potential
as
clinical
treatments,
however,
a
major
challenge
in
realizing
this
drug
class
will
promise
to
develop
methods
for
safely
delivering
the
bioactive
agents
with
high
efficiency
and
without
activating
immune
system.
With
regard
mRNA
vaccines,
researchers
modified
structure
enhance
its
stability
promote
systemic
tolerance
of
antigenic
presentation
non-inflammatory
contexts.
Still,
delivery
naked
mRNAs
is
inefficient
results
low
levels
antigen
protein
production.
As
such,
lipid
nanoparticles
been
utilized
improve
protect
cargo
from
extracellular
degradation.
This
advance
was
milestone
development
vaccines
dispelled
skepticism
about
technology
yield
clinically
approved
medicines.
Following
resounding
success
COVID-19,
many
other
proposed
treatment
variety
diseases.
review
begins
discussion
modifications
vehicles,
well
factors
that
influence
administration
routes.
Then,
we
summarize
applications
discuss
further
key
points
pertaining
preclinical
targeting
wide
range
Finally,
latest
market
trends
future
drugs.
Abstract
mRNA
therapeutics
have
emerged
as
powerful
tools
for
cancer
immunotherapy
in
accordance
with
their
superiority
expressing
all
sequence‐known
proteins
vivo.
In
particular,
a
small
dosage
of
delivered
mRNA,
antigen‐presenting
cells
(APCs)
can
synthesize
mutant
neo‐antigens
and
multi‐antigens
present
epitopes
to
T
lymphocytes
elicit
antitumor
effects.
addition,
receptors
like
chimeric
antigen
receptor
(CAR),
T‐cell
(TCR),
CD134,
immune‐modulating
factors
including
cytokines,
interferons,
antibodies
specific
enhance
immunological
response
against
tumors.
With
the
maturation
vitro
transcription
(IVT)
technology,
large‐scale
pure
encoding
be
synthesized
quickly.
However,
clinical
translation
mRNA‐based
anticancer
strategies
is
restricted
by
delivering
into
target
organs
or
inadequate
endosomal
escape
efficiency
mRNA.
Recently,
there
been
some
advances
immunotherapy,
which
roughly
classified
modifications
structure
development
delivery
systems,
especially
lipid
nanoparticle
platforms.
this
review,
latest
overcoming
limitations
immunotherapies
recent
are
summarized.
Challenges
opportunities
applications
also
discussed.
Abstract
Cell
therapy
has
revolutionized
the
treatment
of
various
diseases,
such
as
cancers,
genetic
disorders,
and
autoimmune
diseases.
Currently,
most
cell
products
rely
on
ex
vivo
engineering,
which
requires
sophisticated
manufacturing
processes
poses
safety
concerns.
The
implementation
in
situ
holds
potential
to
overcome
current
limitations
provides
a
broad
range
applications
clinical
feasibility
future.
A
variety
biomaterials
have
been
developed
improve
function
target
delivery
specific
types
due
their
excellent
biocompatibility,
tunable
properties,
other
functionalities,
provide
reliable
method
achieve
modulation
reprogramming.
In
this
article,
we
summarize
recent
advances
for
including
T
cells,
macrophages,
dendritic
stem
cells
reprogramming
leveraging
lipid
nanoparticles,
polymers,
inorganic
materials,
biomaterials.
Finally,
discuss
challenges
future
perspectives
therapy.
Acta Pharmaceutica Sinica B,
Год журнала:
2022,
Номер
13(10), С. 4105 - 4126
Опубликована: Ноя. 30, 2022
Messenger
RNA
(mRNA)
is
the
template
for
protein
biosynthesis
and
emerging
as
an
essential
active
molecule
to
combat
various
diseases,
including
viral
infection
cancer.
Especially,
mRNA-based
vaccines,
a
new
type
of
vaccine,
have
played
leading
role
in
fighting
against
current
global
pandemic
COVID-19.
However,
inherent
drawbacks,
large
size,
negative
charge,
instability,
hinder
its
use
therapeutic
agent.
Lipid
carriers
are
distinguishable
promising
vehicles
mRNA
delivery,
owning
capacity
encapsulate
deliver
negatively
charged
drugs
targeted
tissues
release
cargoes
at
desired
time.
Here,
we
first
summarized
structure
properties
different
lipid
carriers,
such
liposomes,
liposome-like
nanoparticles,
solid
lipid-polymer
hybrid
nanoemulsions,
exosomes
lipoprotein
particles,
their
applications
delivering
mRNA.
Then,
development
lipid-based
formulations
vaccine
delivery
systems
was
discussed
highlighted.
Recent
advancements
COVID-19
were
emphasized.
Finally,
described
our
future
vision
perspectives
this
field.
ACS Nano,
Год журнала:
2023,
Номер
17(20), С. 19550 - 19580
Опубликована: Окт. 11, 2023
In
late
2020,
the
U.S.
Food
and
Drug
Administration
(FDA)
approved
a
lipid-based
mRNA
vaccine
for
prevention
of
COVID-19,
which
has
pushed
this
field
to
be
more
closely
studied
motivated
researchers
delve
deeper
into
therapeutics.
To
date,
research
on
cancer
vaccines
been
developed
rapidly,
substantial
hopeful
therapeutic
results
have
achieved
against
various
solid
tumors
in
clinical
trials.
review,
we
first
introduce
three
main
components
vaccines,
including
antigens,
adjuvants,
delivery
vectors.
Engineering
these
can
optimize
effects
vaccines.
For
instance,
appropriate
modification
structure
alleviate
poor
stability
innate
immunogenicity
mRNA,
use
vectors
address
issues
low
efficiency
vivo.
Second,
emphatically
discuss
some
strategies
further
improve
efficacy
namely
modulating
immunosuppressive
tumor
environment,
optimizing
administration
routes,
achieving
targeting
intended
tissues
or
organs,
employing
combination
therapy.
These
strengthen
inhibitory
ability
increase
possibility
elimination.
Finally,
point
out
challenges
practice
offer
our
perspectives
future
developments
rapidly
evolving
field.
It
is
anticipated
that
will
therapy
near
future.
Chemical Society Reviews,
Год журнала:
2023,
Номер
52(3), С. 1068 - 1102
Опубликована: Янв. 1, 2023
This
review
summarizes
chemical
tools
for
cell
engineering,
introduces
their
wide
application
in
diagnosis
and
therapy,
discusses
the
challenges
opportunities
precision
medicine.
Journal of Nanobiotechnology,
Год журнала:
2023,
Номер
21(1)
Опубликована: Апрель 5, 2023
Sustained
release
of
bioactive
BMP2
(bone
morphogenetic
protein-2)
is
important
for
bone
regeneration,
while
the
intrinsic
short
half-life
at
protein
level
cannot
meet
clinical
need.
In
this
study,
we
aimed
to
design
Bmp2
mRNA-enriched
engineered
exosomes,
which
were
then
loaded
into
specific
hydrogel
achieve
sustained
more
efficient
and
safe
regeneration.Bmp2
mRNA
was
enriched
exosomes
by
selective
inhibition
translation
in
donor
cells,
NoBody
(non-annotated
P-body
dissociating
polypeptide,
a
that
inhibits
translation)
modified
plasmids
co-transfected.
The
derived
named
ExoBMP2+NoBody.
vitro
experiments
confirmed
ExoBMP2+NoBody
had
higher
abundance
thus
stronger
osteogenic
induction
capacity.
When
GelMA
via
ally-L-glycine
CP05
linker,
could
be
slowly
released
ensure
prolonged
effect
when
endocytosed
recipient
cells.
vivo
calvarial
defect
model,
ExoBMP2+NoBody-loaded
displayed
great
capacity
promoting
regeneration.Together,
proposed
can
provide
an
innovative
strategy
regeneration.
Signal Transduction and Targeted Therapy,
Год журнала:
2024,
Номер
9(1)
Опубликована: Ноя. 14, 2024
Abstract
In
the
last
decade,
messenger
ribonucleic
acid
(mRNA)-based
drugs
have
gained
great
interest
in
both
immunotherapy
and
non-immunogenic
applications.
This
surge
can
be
largely
attributed
to
demonstration
of
distinct
advantages
offered
by
various
mRNA
molecules,
alongside
rapid
advancements
nucleic
delivery
systems.
It
is
noteworthy
that
immunogenicity
presents
a
double-edged
sword.
context
immunotherapy,
extra
supplementation
adjuvant
generally
required
for
induction
robust
immune
responses.
Conversely,
non-immunotherapeutic
scenarios,
activation
unwanted
considering
host
tolerability
high
expression
demand
mRNA-encoded
functional
proteins.
Herein,
mainly
focused
on
linear
non-replicating
mRNA,
we
overview
preclinical
clinical
progress
prospects
medicines
encompassing
vaccines
other
therapeutics.
We
also
highlight
importance
focusing
host-specific
variations,
including
age,
gender,
pathological
condition,
concurrent
medication
individual
patient,
maximized
efficacy
safety
upon
administration.
Furthermore,
deliberate
potential
challenges
may
encounter
realm
disease
treatment,
current
endeavors
improvement,
as
well
application
future
advancements.
Overall,
this
review
aims
present
comprehensive
understanding
mRNA-based
therapies
while
illuminating
prospective
development
drugs.