European Journal of Immunology,
Год журнала:
2025,
Номер
55(5)
Опубликована: Май 1, 2025
The
innate
immune
system
relies
on
nucleic
acid
(NA)
sensors
to
detect
viral
infections
and
trigger
type
I
interferon
(IFN-I)
responses,
which
are
crucial
for
antiviral
defense.
NA
pattern
recognition
receptors
RNA
or
DNA
within
various
cellular
compartments,
initiating
signaling
pathways.
However,
inherited
deficiencies
in
these
sensing
mechanisms
can
result
increased
susceptibility
severe
infections.
This
review
explores
key
genetic
mutations
affecting
IFN-I
pathways
that
predispose
individuals
life-threatening
diseases,
including
herpesviruses,
respiratory
viruses,
enteroviruses,
arboviruses,
vaccine-strain
disseminated
diseases.
identification
of
monogenic
defects
afflicted
by
infections,
along
with
the
observed
incomplete
penetrance
mutations,
highlight
intricate
interplay
host's
intrinsic,
innate,
adaptive
response
invading
pathogens.
These
insights
into
molecular
basis
immunity
not
only
underscore
clinical
challenges
associated
but
also
offers
opportunity
personalized
treatment
strategies,
screening,
tailored
vaccination
protocols,
targeted
therapies.
Journal of Clinical Investigation,
Год журнала:
2023,
Номер
133(12)
Опубликована: Март 28, 2023
STAT2
is
a
transcription
factor
activated
by
type
I
and
III
interferons.
We
report
23
patients
with
loss
of
function
variants
causing
autosomal
recessive
(AR),
complete
deficiency.
Both
cells
transfected
mutant
alleles
the
patients'
display
impaired
expression
interferon
stimulated
genes
control
in-vitro
viral
infections.
Clinical
manifestations
from
early
childhood
onward
include
severe
adverse
reaction
to
live
attenuated
vaccines
(LAV,
12/17
patients)
infections
(10/23
patients),
particularly
critical
influenza
pneumonia
(6
COVID-19
(1
patient),
herpes
simplex
encephalitis
patient).
The
various
types
hyperinflammation,
often
triggered
infection
or
after
LAV
administration,
which
probably
attests
unresolved
in
absence
STAT2-dependent
IFN
immunity
(7
patients).
Transcriptomic
analysis
reveals
that
circulating
monocytes,
neutrophils,
CD8
memory
T
contribute
this
inflammation.
Eight
died
(35%,
2
months-7
years):
one
HSV-1
encephalitis,
fulminant
hepatitis,
six
heart
failure
during
febrile
illness
no
identified
etiology.
15
remain
alive
(5-40
years).
AR
deficiency
underlies
diseases,
half
surviving
into
teenage
years
adulthood.
Nature,
Год журнала:
2024,
Номер
633(8029), С. 417 - 425
Опубликована: Авг. 28, 2024
Severe
defects
in
human
IFNγ
immunity
predispose
individuals
to
both
Bacillus
Calmette-Guérin
disease
and
tuberculosis,
whereas
milder
only
tuberculosis
Proceedings of the National Academy of Sciences,
Год журнала:
2024,
Номер
121(34)
Опубликована: Авг. 15, 2024
The
ZIKA
virus
(ZIKV)
evades
the
host
immune
response
by
degrading
STAT2
through
its
NS5
protein,
thereby
inhibiting
type
I
interferon
(IFN)-mediated
antiviral
immunity.
However,
molecular
mechanism
underlying
this
process
has
remained
elusive.
In
study,
we
performed
a
genome-wide
CRISPR/Cas9
screen,
revealing
that
ZSWIM8
as
substrate
receptor
of
Cullin3-RING
E3
ligase
is
required
for
NS5-mediated
degradation.
Genetic
depletion
and
CUL3
substantially
impeded
Biochemical
analysis
illuminated
enhances
interaction
between
ZSWIM8–CUL3
complex,
facilitating
ubiquitination.
Moreover,
knockout
endowed
A549
Huh7
cells
with
partial
resistance
to
ZIKV
infection
protected
from
cytopathic
effects
induced
ZIKV,
which
was
attributed
restoration
levels
activation
IFN
signaling.
Subsequent
studies
in
physiologically
relevant
model,
utilizing
human
neural
progenitor
cells,
demonstrated
reduced
infection,
resulting
enhanced
signaling
sustained
STAT2.
Our
findings
shed
light
on
role
NS5,
serving
scaffold
reprograms
complex
orchestrate
proteasome-dependent
degradation,
evasion
study
provides
unique
insights
into
ZIKV–host
interactions
holds
promise
development
antivirals
prophylactic
vaccines.
The Journal of Experimental Medicine,
Год журнала:
2022,
Номер
220(1)
Опубликована: Ноя. 7, 2022
Inborn
and
acquired
deficits
of
type
I
interferon
(IFN)
immunity
predispose
to
life-threatening
COVID-19
pneumonia.
We
longitudinally
profiled
the
B
cell
response
mRNA
vaccination
in
SARS-CoV-2
naive
patients
with
inherited
TLR7,
IRF7,
or
IFNAR1
deficiency,
as
well
young
autoantibodies
neutralizing
IFNs
due
autoimmune
polyendocrine
syndrome
type-1
(APS-1)
older
individuals
age-associated
IFNs.
The
receptor-binding
domain
spike
protein
(RBD)–specific
memory
all
was
quantitatively
qualitatively
similar
healthy
donors.
Sustained
germinal
center
responses
led
accumulation
somatic
hypermutations
immunoglobulin
heavy
chain
genes.
amplitude
duration
of,
viral
neutralization
by,
RBD-specific
IgG
serological
were
also
largely
unaffected
by
deficiencies
up
7
mo
after
patients.
These
results
suggest
that
induction
IFN
is
not
required
for
efficient
generation
a
humoral
against
vaccines.
PLoS Genetics,
Год журнала:
2024,
Номер
20(4), С. e1011228 - e1011228
Опубликована: Апрель 10, 2024
The
laboratory
mouse
has
served
as
the
premier
animal
model
system
for
both
basic
and
preclinical
investigations
over
a
century.
However,
mice
capture
only
subset
of
genetic
variation
found
in
wild
populations,
ultimately
limiting
potential
classical
inbred
strains
to
uncover
phenotype-associated
variants
pathways.
Wild
populations
are
reservoirs
diversity
that
could
facilitate
discovery
new
functional
disease-associated
alleles,
but
scarcity
commercially
available,
well-characterized
limits
their
broader
adoption
biomedical
research.
To
overcome
this
barrier,
we
have
recently
developed,
sequenced,
phenotyped
set
11
derived
from
wild-caught
Mus
musculus
domesticus.
Each
these
"Nachman
strains"
immortalizes
unique
haplotype
sampled
one
five
environmentally
distinct
locations
across
North
South
America.
Whole
genome
sequence
analysis
reveals
each
strain
carries
between
4.73-6.54
million
single
nucleotide
differences
relative
GRCm39
reference,
with
42.5%
Nachman
genomes
absent
current
panels.
We
on
customized
pipeline
assess
scope
disease-relevant
neurobehavioral,
biochemical,
physiological,
metabolic,
morphological
trait
variation.
exhibit
significant
inter-strain
>90%
1119
surveyed
traits
expand
range
phenotypic
captured
These
novel
wild-derived
resources
empower
discoveries
Immunity,
Год журнала:
2024,
Номер
57(7), С. 1457 - 1465
Опубликована: Июль 1, 2024
Regardless
of
microbial
virulence
(i.e.,
the
global
infection-fatality
ratio),
age
generally
drives
prevalence
death
from
infection
in
unvaccinated
humans.
Four
mortality
patterns
are
recognized:
common
U-
and
L-shaped
curves
endemic
infections
unique
W-
J-shaped
pandemic
infections.
We
suggest
that
these
result
different
sets
human
genetic
immunological
determinants.
In
this
model,
it
is
interplay
between
(1)
monogenic
genotypes
affecting
immunity
to
primary
preferentially
manifest
early
life
related
or
their
phenocopies,
including
auto-antibodies,
which
later
(2)
occurrence
persistence
adaptive,
acquired
cross-reactive
infections,
shapes
age-dependent
pattern
deaths
infection.
Annual Review of Immunology,
Год журнала:
2022,
Номер
41(1), С. 39 - 71
Опубликована: Дек. 16, 2022
Immunity
to
infection
has
been
extensively
studied
in
humans
and
mice
bearing
naturally
occurring
or
experimentally
introduced
germline
mutations.
Mouse
studies
are
sometimes
neglected
by
human
immunologists,
on
the
basis
that
not
infections
experimental
natural.
Conversely,
mouse
of
uncontrolled
conditions
study
small
numbers
patients.
However,
both
sides
would
agree
infectious
phenotypes
patients
with
inborn
errors
immunity
often
differ
from
those
corresponding
mutant
mice.
Why
is
that?
We
argue
this
important
question
best
addressed
revisiting
reinterpreting
findings
a
genetic
perspective.
Greater
caution
required
for
reverse-genetics
than
forward-genetics
studies,
but
analysis
sufficiently
strong
define
likely
stand
test
time.
Genetically
robust
can
provide
invaluable
complementary
insights
into
mechanisms
common
specific
these
two
species.
Pathogens,
Год журнала:
2023,
Номер
12(2), С. 310 - 310
Опубликована: Фев. 13, 2023
Herpesvirus
infections
can
lead
to
a
number
of
severe
clinical
manifestations,
particularly
when
involving
the
central
nervous
system
(CNS),
causing
encephalitis
and
meningitis.
However,
understanding
host
factors
conferring
increased
susceptibility
these
diseases
their
complications
remains
incomplete.
Previous
studies
have
uncovered
defects
in
innate
Toll-like
receptor
3
pathway
production
type
I
interferon
(IFN-I)
children
adults
that
predispose
them
herpes
simplex
encephalitis.
More
recently,
there
is
accumulating
evidence
for
an
important
role
IFN-independent
cell-autonomous
intrinsic
mechanisms,
including
small
nucleolar
RNAs,
RNA
lariat
metabolism,
autophagy,
restricting
herpesvirus
replication
protection
against
CNS
infection.
The
present
review
first
describes
manifestations
HSV
infection
with
focus
on
neurological
then
summarizes
host–pathogen
interactions
immune
pathways
responsible
sensing
herpesviruses
triggering
antiviral
responses
immunity.
Next,
we
current
landscape
inborn
errors
immunity
underlying
genetic
disturbances
cellular
confer
CNS.
Ultimately,
discuss
some
outstanding
unanswered
questions
relating
together
perspectives
future
directions
research
pathogenesis
humans.