bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Июнь 8, 2024
Oligonucleotide
therapeutics
(ASOs
and
siRNAs)
have
been
explored
for
modulation
of
gene
expression
in
the
central
nervous
system
(CNS),
with
several
drugs
approved
many
clinical
evaluation.
Administration
highly
concentrated
oligonucleotides
to
CNS
can
induce
acute
neurotoxicity.
We
demonstrate
that
delivery
CSF
awake
mice
induces
toxicity,
observable
within
seconds
injection.
Electroencephalography
(EEG)
electromyography
(EMG)
demonstrated
seizures.
Using
ion
chromatography,
we
show
siRNAs
tightly
bind
Ca
JACS Au,
Год журнала:
2025,
Номер
5(2), С. 486 - 520
Опубликована: Фев. 10, 2025
Tetrahedral
framework
nucleic
acids
(tFNAs)
represent
a
promising
advancement
in
acid
nanotechnology
due
to
their
unique
structural
properties,
high
biocompatibility,
and
multifaceted
biomedical
applications.
Constructed
through
one-pot
annealing
method,
four
single-stranded
DNAs
self-assemble
into
stable,
three-dimensional
tetrahedral
nanostructures
with
enhanced
mechanical
robustness
physiological
stability,
resisting
enzymatic
degradation.
Their
ability
permeate
mammalian
cells
without
transfection
agents,
coupled
modifiable
surfaces,
positions
tFNAs
as
versatile
carriers
for
drug
gene
delivery
systems.
The
tFNA-based
platforms
exhibit
superior
therapeutic
efficacy,
including
antioxidative
anti-inflammatory
effects,
alongside
efficient
cellular
uptake
tissue
penetration.
These
features
underpin
role
precision
medicine,
enabling
targeted
of
diverse
agents
such
synthetic
compounds,
peptides,
acids.
Additionally,
demonstrate
significant
potential
regenerative
immune
modulation,
antibacterial
strategies,
oncology.
By
addressing
challenges
translational
integration,
stand
poised
accelerate
the
development
research
clinical
applications,
fostering
novel
therapies
enhancing
outcomes
across
wide
spectrum
diseases.
This
Perspective
thoroughly
details
attributes
applications
critically
evaluates
tFNAs'
potential,
outlining
inherent
implementation
exploring
solutions
these
obstacles.
Chemical Society Reviews,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
The
deep
interconnection
between
nucleic
acids
and
carbohydrates
has
prompted
numerous
synthetic
campaigns
to
understand
acid
etiology,
develop
orthogonal
genetic
systems,
improve
the
properties
of
therapeutic
oligonucleotides.
Journal of Medicinal Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 8, 2025
Oligonucleotides
have
emerged
as
a
formidable
new
class
of
nucleic
acid
therapeutics.
Fully
modified
oligonucleotides
exhibit
enhanced
metabolic
stability
and
display
successful
clinical
applicability
for
targets
formerly
considered
"undruggable".
Accumulating
studies
show
that
conjugation
to
targeting
modalities
stabilized
oligonucleotides,
especially
small
interfering
RNAs
(siRNAs),
has
enabled
robust
delivery
intended
cells/tissues.
However,
the
major
challenge
in
field
been
targeted
(siRNAs
antisense
(ASOs))
extrahepatic
tissues.
In
this
Perspective,
we
review
chemistry
innovations
emerging
approaches
revolutionized
oligonucleotide
drug
discovery
development.
We
explore
findings
from
both
academia
industry
highlight
potential
indications
involving
different
organs─including
skeletal
muscles,
brain,
lungs,
skin,
heart,
adipose
tissue,
eyes.
all,
continued
advances
coupled
with
conjugation-based
or
novel
administration
routes
will
further
advance
Throughout
history,
biopharmaceuticals
have
been
essential
in
addressing
health
crises
and
enhancing
human
well-being.
With
advancements
genetic
engineering,
biotechnology,
bioinformatics,
the
development
approval
rates
of
new
surged,
placing
them
at
forefront
pharmaceutical
field.
Modern
manufacturing
processes
streamlined
regulatory
pathways
further
expedited
timelines,
providing
hope
for
previously
untreatable
conditions
significantly
improving
patients’
quality
life
worldwide.
However,
despite
these
advancements,
ambiguity
persists
regarding
definition
due
to
use
varied
terms
a
lack
standardized
definitions.
This
article
addresses
this
confusion
by
proposing
clear
comprehensive
biopharmaceuticals.
Additionally,
we
present
reclassification
into
seven
distinct
verticals
based
on
their
functions.
We
assert
that
not
only
offer
superior
therapeutic
benefits
but
also
contribute
environmental
sustainability,
promoting
healthier
planet.
Thus,
aims
clarify
scope
advocate
broader
adoption
pursuit
global
integrity.
International Journal of Molecular Sciences,
Год журнала:
2025,
Номер
26(8), С. 3579 - 3579
Опубликована: Апрель 10, 2025
Abnormalities
in
X
chromosomes,
either
numerical
or
structural,
cause
X-linked
disorders,
such
as
Duchenne
muscular
dystrophy
(DMD).
Recent
molecular
and
cytogenetic
techniques
can
help
identify
DMD
gene
mutations.
The
accurate
diagnosis
of
is
crucial,
directly
impacting
patient
treatment
management,
genetics,
the
establishment
effective
prevention
strategies.
This
review
provides
an
overview
chromosomal
disorders
affecting
discusses
how
mutations
Dystrophin
domains
impact
detection
accuracy.
Firstly,
efficiency
use
for
genetic
disease
have,
thus,
become
increasingly
important.
Secondly,
artificial
intelligence
(AI)
will
be
instrumental
developing
future
therapies
by
enabling
aggregation
synthesis
extensive
heterogeneous
datasets,
thereby
elucidating
underlying
mechanisms.
However,
despite
advances
diagnostic
technology,
understanding
role
remains
a
challenge.
Therefore,
this
aims
to
synthesize
complex
information
significantly
advance
it
could
affect
care.
Journal of microbiology epidemiology immunobiology,
Год журнала:
2025,
Номер
101(6), С. 794 - 802
Опубликована: Янв. 14, 2025
Relevance.
Studies
on
model
systems
have
confirmed
the
effectiveness
of
antisense
oligonucleotides,
including
those
that
contain
photoactive
groups,
for
modification
nucleic
acids.
However,
this
strategy
has
not
yet
found
wide
application
due
to
lack
successful
methods
intracellular
delivery.
The
development
effective
preparations
capable
acting
target
acids
in
cells
is
an
urgent
task.
aim
study
create
nanocomplexes
consisting
aminopropylsilanol
nanoparticles
and
short
interfering
RNA
(siRNA)
their
effect
by
example
inhibition
influenza
A
virus
replication
vitro.
Materials
methods.
MDCK
cells,
A/chicken/Kurgan/05/2005
(A/H5N1),
nanoparticles,
native
modified
siRNA
molecules.
Results
discussion.
We
prepared
unique
Si~NH2/siRNA
nanocomplexes,
which
consist
molecules,
enable
cell
penetration
selective
interaction
with
acids,
respectively.
antiviral
activity
proposed
been
studied
infected
A/H5N1
virus.
It
shown
double-stranded
molecules
act
interference
mechanism,
are
more
efficient
inhibiting
than
corresponding
single-stranded
fragments.
most
nanocomplex
contained
targeted
at
chosen
region
mRNA
segment
5
viral
genome
reduced
culture
a
factor
630.
non-agglomerated
water-soluble
low-toxic,
delivering
into
protecting
from
hydrolysis
cellular
nucleases.
Conclusion.
biological
created
demonstrated
highly
suppression
system.
Nucleic Acid Therapeutics,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 23, 2025
The
Oligonucleotide
Nonclinical
Working
Group
(WG)
of
the
European
Federation
Pharmaceutical
Industries
and
Associations
conducted
an
industry
survey
to
understand
current
practices
regulatory
expectations
for
genotoxicity
carcinogenicity
assessment
oligonucleotide
therapeutics
(ONTs),
along
with
historical
testing
results.
survey,
involving
29
pharmaceutical
biotechnology
companies,
revealed
a
consistent
absence
across
diverse
range
classes
chemistries,
previous
observations.
Despite
lack
genotoxicity,
companies
continue
follow
standard
guidelines,
only
limited
divergence.
data
support
view
that
well-established
ONT
modifications
can
be
considered
"precedented,"
in
terms
negligible
genotoxic
risk.
As
such,
further
new
candidates
containing
precedented
is
unwarranted,
when
defined
criteria
are
met.
Further,
we
propose
pathway
novel
chemical
achieve
status.
results
also
indicate
alternative
strategies
(e.g.,
single-species
testing)
accepted
by
agencies
under
certain
circumstances.
Overall,
findings
underscore
need
more
tailored
approach
nonclinical
safety
ONTs,
WG
proposes
development
supplementary
questions
International
Council
Harmonisation
Technical
Requirements
Pharmaceuticals
Human
Use
S2(R1)
guidance
reflect
this
broad
experience.
International Journal of Molecular Sciences,
Год журнала:
2025,
Номер
26(3), С. 1026 - 1026
Опубликована: Янв. 25, 2025
Pharmaceutical
advancements
and
an
improved
understanding
of
pathophysiology
have
enabled
innovative
therapies
for
chronic
conditions
like
dyslipidemia.
This
condition
is
marked
by
abnormalities
in
lipid
homeostasis.
Nucleic
acid
therapeutics,
including
antisense
oligonucleotides
small
interfering
RNAs,
are
novel
management
strategies
that
silence
genes
targeting
mRNA.
Antisense
modify
mRNA
to
inhibit
protein
production,
whereas
RNAs
induce
degradation
via
the
RNA-induced
silencing
complex
(RISC),
thus
offering
promising
treatments
dyslipidemia
atherosclerotic
cardiovascular
disease.
Chemical
modifications
improve
their
stability
targeting.
RNA-based
PCSK9,
Lp(a),
ApoC-III,
ANGPTL3
hold
transformative
potential
treating
effectively.
article
discusses
latest
data
from
completed
ongoing
trials
on
RNA
dyslipidemia,
inclisiran,
pelacarsen,
olpasiran,
zerlasiran,
lepodisiran,
volanesorsen,
olezarsen,
plozasiran,
zodasiran,
solbinsiran.
Each
therapy
targets
specific
molecules
while
also
significantly
impacting
other
parameters.
The
results
these
indicate
improvements
risk
reduction,
with
studies
expected
further
refine
role
agents
effective
management.