Immunological Reviews,
Год журнала:
2024,
Номер
323(1), С. 80 - 106
Опубликована: Март 20, 2024
Summary
Clonal
expansion
of
antigen‐specific
lymphocytes
is
the
fundamental
mechanism
enabling
potent
adaptive
immune
responses
and
generation
memory.
Accompanied
by
pronounced
epigenetic
remodeling,
massive
proliferation
individual
cells
generates
a
critical
mass
effectors
for
control
acute
infections,
as
well
pool
memory
protecting
against
future
pathogen
encounters.
Classically
associated
with
system,
recent
work
has
demonstrated
that
innate
to
human
cytomegalovirus
(CMV)
infection
stably
maintained
large
clonal
expansions
natural
killer
(NK)
cells,
raising
questions
on
mechanisms
selection
in
absence
re‐arranged
antigen
receptors.
Here,
we
discuss
NK
cell
context
underlying
competition
propose
alternative
might
decide
success
their
counterparts.
We
integration
external
cues
cell‐intrinsic
sources
heterogeneity,
such
variegated
receptor
expression,
transcriptional
states,
somatic
variants,
compose
bottleneck
selection,
contributing
size
clones.
Cell,
Год журнала:
2023,
Номер
186(26), С. 5705 - 5718.e13
Опубликована: Дек. 1, 2023
Multiple
sclerosis
(MS)
is
a
demyelinating
disease
of
the
CNS.
Epstein-Barr
virus
(EBV)
contributes
to
MS
pathogenesis
because
high
levels
EBV
EBNA386–405-specific
antibodies
cross
react
with
CNS-derived
GlialCAM370–389.
However,
it
unclear
why
only
some
individuals
such
autoreactive
antibody
titers
develop
MS.
Here,
we
show
that
cells
are
eliminated
by
distinct
immune
responses,
which
determined
genetic
variations
host,
as
well
infecting
and
human
cytomegalovirus
(HCMV).
We
demonstrate
potent
cytotoxic
NKG2C+
NKG2D+
natural
killer
(NK)
EBV-specific
T
cell
responses
kill
GlialCAM370–389-specific
cells.
Furthermore,
evasion
these
was
induced
EBV-variant-specific
upregulation
immunomodulatory
HLA-E.
These
defined
host
pre-dispositions
associated
an
up
260-fold
increased
risk
Our
findings
thus
allow
early
identification
patients
at
for
suggest
additional
therapeutic
options
against
Nature Immunology,
Год журнала:
2024,
Номер
25(8), С. 1474 - 1488
Опубликована: Июль 2, 2024
Abstract
Natural
killer
(NK)
cells
are
innate
lymphoid
(ILCs)
contributing
to
immune
responses
microbes
and
tumors.
Historically,
their
classification
hinged
on
a
limited
array
of
surface
protein
markers.
Here,
we
used
single-cell
RNA
sequencing
(scRNA-seq)
cellular
indexing
transcriptomes
epitopes
by
(CITE-seq)
dissect
the
heterogeneity
NK
cells.
We
identified
three
prominent
cell
subsets
in
healthy
human
blood:
NK1,
NK2
NK3,
further
differentiated
into
six
distinct
subgroups.
Our
findings
delineate
molecular
characteristics,
key
transcription
factors,
biological
functions,
metabolic
traits
cytokine
each
subgroup.
These
data
also
suggest
two
separate
ontogenetic
origins
for
cells,
leading
divergent
transcriptional
trajectories.
Furthermore,
analyzed
distribution
lung,
tonsils
intraepithelial
lymphocytes
isolated
from
individuals
22
tumor
types.
This
standardized
terminology
aims
at
fostering
clarity
consistency
future
research,
thereby
improving
cross-study
comparisons.
Nature Immunology,
Год журнала:
2024,
Номер
25(8), С. 1445 - 1459
Опубликована: Июль 2, 2024
The
functional
diversity
of
natural
killer
(NK)
cell
repertoires
stems
from
differentiation,
homeostatic,
receptor-ligand
interactions
and
adaptive-like
responses
to
viral
infections.
In
the
present
study,
we
generated
a
single-cell
transcriptional
reference
map
healthy
human
blood-
tissue-derived
NK
cells,
with
temporal
resolution
fate-specific
expression
gene-regulatory
networks
defining
differentiation.
Transfer
learning
facilitated
incorporation
tumor-infiltrating
transcriptomes
(39
datasets,
7
solid
tumors,
427
patients)
into
analyze
tumor
microenvironment
(TME)-induced
perturbations.
Of
six
functionally
distinct
states
identified,
dysfunctional
stressed
CD56
Cancer Cell,
Год журнала:
2024,
Номер
42(8), С. 1450 - 1466.e11
Опубликована: Авг. 1, 2024
Glioblastoma
(GBM)
is
an
aggressive
brain
cancer
with
limited
therapeutic
options.
Natural
killer
(NK)
cells
are
innate
immune
strong
anti-tumor
activity
and
may
offer
a
promising
treatment
strategy
for
GBM.
We
compared
the
anti-GBM
of
NK
engineered
to
express
interleukin
(IL)-15
or
IL-21.
Using
multiple
in
vivo
models,
IL-21
were
superior
IL-15
both
terms
safety
long-term
activity,
locoregionally
administered
proving
toxic
ineffective
at
tumor
control.
displayed
unique
chromatin
accessibility
signature,
CCAAT/enhancer-binding
proteins
(C/EBP),
especially
CEBPD,
serving
as
key
transcription
factors
regulating
their
enhanced
function.
Deletion
CEBPD
resulted
loss
cell
potency
while
its
overexpression
increased
cytotoxicity
metabolic
fitness.
These
results
suggest
that
IL-21,
through
C/EBP
factors,
drives
epigenetic
reprogramming
cells,
enhancing
efficacy
against
Immunity,
Год журнала:
2023,
Номер
57(1), С. 124 - 140.e7
Опубликована: Дек. 28, 2023
Natural
killer
(NK)
cells
are
present
in
the
circulation
and
can
also
be
found
residing
tissues,
these
populations
exhibit
distinct
developmental
requirements
thought
to
differ
terms
of
ontogeny.
Here,
we
investigate
whether
circulating
conventional
NK
(cNK)
develop
into
long-lived
tissue-resident
(trNK)
following
acute
infections.
We
that
viral
bacterial
infections
skin
triggered
recruitment
cNK
their
differentiation
Tcf1
International Journal of Molecular Sciences,
Год журнала:
2023,
Номер
24(3), С. 2111 - 2111
Опубликована: Янв. 20, 2023
Glioblastoma
(GBM)
is
the
most
aggressive
and
malignant
primary
brain
tumor
in
adults.
Despite
multimodality
treatment
involving
surgical
resection,
radiation
therapy,
chemotherapy,
tumor-treating
fields,
median
overall
survival
(OS)
after
diagnosis
approximately
2
years
5-year
OS
poor.
Considering
poor
prognosis,
novel
strategies
are
needed,
such
as
immunotherapies,
which
include
chimeric
antigen
receptor
T-cell
immune
checkpoint
inhibitors,
vaccine
oncolytic
virus
therapy.
However,
these
therapies
have
not
achieved
satisfactory
outcomes.
One
reason
for
this
that
mainly
based
on
activating
T
cells
controlling
GBM
progression.
Natural
killer
(NK)
cell-based
immunotherapy
involves
new
feature
of
recognizing
via
differing
mechanisms
from
immunotherapy.
In
review,
we
focused
NK
a
strategy.
Relapse
of
acute
myeloid
leukemia
(AML)
is
highly
aggressive
and
often
treatment
refractory.
We
analyzed
previously
published
AML
relapse
cohorts
found
that
40%
relapses
occur
without
changes
in
driver
mutations,
suggesting
non-genetic
mechanisms
drive
a
large
proportion
cases.
therefore
characterized
epigenetic
patterns
using
26
matched
diagnosis-relapse
samples
with
ATAC-seq.
This
analysis
identified
relapse-specific
chromatin
accessibility
signature
for
mutationally
stable
AML,
undergoes
evolution
at
independent
mutational
changes.
Analysis
stem
cell
(LSC)
indicated
this
leukemic
compartment
underwent
significantly
less
than
non-LSCs,
while
non-LSCs
reflected
overall
the
bulk
leukemia.
Finally,
we
used
single-cell
ATAC-seq
paired
mitochondrial
sequencing
(mtscATAC)
to
map
clones
from
diagnosis
into
along
their
features.
distinct
mitochondrially-defined
exhibit
more
similar
relative
diagnosis,
demonstrating
convergent
relapsed
AML.
These
results
demonstrate
feature
can
following
induction
chemotherapy.