Nature Communications,
Год журнала:
2020,
Номер
11(1)
Опубликована: Авг. 18, 2020
Abstract
We
evaluate
gene
editing
of
HSV
in
a
well-established
mouse
model,
using
adeno-associated
virus
(AAV)-delivered
meganucleases,
as
potentially
curative
approach
to
treat
latent
infection.
Here
we
show
that
AAV-delivered
but
not
CRISPR/Cas9,
mediate
highly
efficient
HSV,
eliminating
over
90%
from
superior
cervical
ganglia.
Single-cell
RNA
sequencing
demonstrates
both
and
individual
AAV
serotypes
are
non-randomly
distributed
among
neuronal
subsets
ganglia,
implying
improved
delivery
all
may
lead
even
more
complete
elimination
HSV.
As
predicted,
meganucleases
triple
serotype
combination
results
the
greatest
decrease
ganglionic
loads.
The
levels
observed
these
studies,
if
translated
humans,
would
likely
significantly
reduce
reactivation,
shedding,
lesions.
Further
optimization
meganuclease
activity
is
possible,
offer
pathway
cure
for
Trends in Neurosciences,
Год журнала:
2020,
Номер
43(9), С. 695 - 708
Опубликована: Июль 15, 2020
HIV
attacks
the
body's
immune
cells,
frequently
compromises
integrity
of
blood-brain
barrier
(BBB),
and
infects
CNS
in
early
stages
infection.
Dysfunction
BBB
further
potentiates
viral
replication
within
CNS,
which
can
lead
to
HIV-associated
neuropathology.
Antiretroviral
therapy
(ART)
significantly
improves
patient
outcomes
reduces
mortality
rates.
However,
there
has
been
limited
progress
targeting
latent
reservoirs
may
eventually
rebound
viremia.
While
ART
drugs
are
shown
be
effective
attenuating
periphery,
protection
brain
by
offers
an
isolated
sanctuary
harbor
maintains
chronic
persistent
CNS.
In
this
review,
we
elucidate
pathology
BBB,
its
ability
potentiate
replication,
as
well
current
therapies
insufficiencies
treating
HIV-infected
individuals.
Nucleic Acids Research,
Год журнала:
2020,
Номер
48(10), С. 5527 - 5539
Опубликована: Апрель 8, 2020
Abstract
The
CRISPR-Cas9
system
has
been
used
for
genome
editing
of
various
organisms.
We
reported
inhibition
the
human
immunodeficiency
virus
(HIV)
in
cell
culture
infections
with
a
single
guide
RNA
(gRNA)
and
subsequent
viral
escape,
but
complete
inactivation
infectious
HIV
certain
combinations
two
gRNAs.
new
RNA-guided
endonuclease
CRISPR-Cas12a
(formerly
Cpf1)
may
provide
more
promising
tool
engineering
increased
activity
specificity.
compared
Cas12a
to
original
Cas9
integrated
DNA
genome.
Superior
antiviral
is
Cas12a,
which
can
achieve
full
only
gRNA
(called
crRNA).
propose
that
different
architecture
versus
explains
this
effect.
also
disclose
cleavage
by
repair
causes
mutations
sequence
profile
distinct
from
Cas9.
Both
CRISPR
systems
induce
typical
small
deletions
around
site
repair,
does
not
pure
insertions
are
routinely
observed
Although
these
signatures
apparent
many
literature
studies,
first
report
documents
striking
differences.
Nature Communications,
Год журнала:
2020,
Номер
11(1)
Опубликована: Ноя. 27, 2020
Abstract
Elimination
of
HIV
DNA
from
infected
individuals
remains
a
challenge
in
medicine.
Here,
we
demonstrate
that
intravenous
inoculation
SIV-infected
macaques,
well-accepted
non-human
primate
model
infection,
with
adeno-associated
virus
9
(AAV9)-CRISPR/Cas9
gene
editing
construct
designed
for
eliminating
proviral
SIV
DNA,
leads
to
broad
distribution
molecules
and
precise
cleavage
removal
fragments
the
integrated
genome
blood
cells
tissues
known
be
viral
reservoirs
including
lymph
nodes,
spleen,
bone
marrow,
brain
among
others.
Accordingly,
AAV9-CRISPR
treatment
results
reduction
percent
tissues.
These
proof-of-concept
observations
offer
promising
step
toward
elimination
clinic.
Cell Host & Microbe,
Год журнала:
2021,
Номер
29(5), С. 689 - 703
Опубликована: Апрель 28, 2021
Despite
numerous
viral
outbreaks
in
the
last
decade,
including
a
devastating
global
pandemic,
diagnostic
and
therapeutic
technologies
remain
severely
lacking.
CRISPR-Cas
systems
have
potential
to
address
these
critical
needs
response
against
infectious
disease.
Initially
discovered
as
bacterial
adaptive
immune
system,
provide
unique
opportunity
create
programmable,
sequence-specific
for
detection
of
nucleic
acids
inhibition
replication.
This
review
summarizes
how
systems—in
particular
recently
DNA-targeting
Cas12
RNA-targeting
Cas13,
both
possessing
trans-cleavage
activity—are
being
harnessed
diagnostics
therapies.
We
further
highlight
whose
development
has
accelerated
COVID-19
pandemic.
AIDS Research and Therapy,
Год журнала:
2022,
Номер
19(1)
Опубликована: Дек. 1, 2022
Abstract
The
development
of
antiretroviral
therapy
(ART)
has
been
effective
in
suppressing
HIV
replication.
However,
severe
drug
toxicities
due
to
the
and
its
failure
targeting
integrated
proviral
genome
have
led
introduction
a
new
paradigm
gene-based
therapies.
With
inhibition
high
precision,
clustered
regularly
interspaced
short
palindromic
repeats
(CRISPR)-associated
protein-9
nuclease
(Cas9)
or
CRISPR/Cas9
emerged
as
an
editing
tool
last
decade.
Mediated
by
guide
RNAs
(gRNAs),
Cas9
endonuclease
acts
like
genetic
scissors
that
can
modify
specific
target
sites.
this
concept,
used
HIV-1
both
vitro
well
vivo
studies
including
non-human
primates.
CRISPR
also
tested
for
latent
modulating
transcription
with
help
specialized
mutant.
Overcoming
limitations
current
therapy,
potential
become
primary
eradicating
infection.
In
review,
we
summarize
recent
advancements
genome,
challenges
future
prospects.
International Journal of Molecular Sciences,
Год журнала:
2023,
Номер
24(2), С. 1563 - 1563
Опубликована: Янв. 13, 2023
Human
immunodeficiency
virus
(HIV)
infections
and
HIV-induced
acquired
syndrome
(AIDS)
continue
to
represent
a
global
health
burden.
There
is
currently
no
effective
vaccine,
nor
any
cure,
for
HIV
infections;
existing
antiretroviral
therapy
can
suppress
viral
replication,
but
only
as
long
antiviral
drugs
are
taken.
infects
cells
of
the
host
immune
system,
it
establish
long-lived
reservoir,
which
be
targeted
edited
through
gene
therapy.
Gene
editing
platforms
based
on
clustered
regularly
interspaced
palindromic
repeat-Cas
system
(CRISPR-Cas)
have
been
recognized
promising
tools
in
development
therapies
infections.
In
this
review,
we
evaluate
current
landscape
CRISPR-Cas-based
against
HIV,
with
an
emphasis
infection
biology
well
activity
restriction
factors.
We
discuss
potential
combined
CRISPR-Cas
approach
that
targets
genes
activate
factors
inhibit
replication
simultaneously.
Lastly,
focus
challenges
solutions
approaches
achieving
cure.