EMBO Molecular Medicine,
Год журнала:
2020,
Номер
12(12)
Опубликована: Окт. 20, 2020
In
patients
infected
by
SARS-CoV-2
who
experience
an
exaggerated
inflammation
leading
to
pneumonia,
monocytes
likely
play
a
major
role
but
have
received
poor
attention.
Thus,
we
analyzed
peripheral
blood
from
with
COVID-19
pneumonia
and
found
that
these
cells
show
signs
of
altered
bioenergetics
mitochondrial
dysfunction,
had
reduced
basal
maximal
respiration,
spare
respiratory
capacity,
decreased
proton
leak.
Basal
extracellular
acidification
rate
was
also
diminished,
suggesting
capability
perform
aerobic
glycolysis.
Although
ability
oxidative
burst,
they
were
still
capable
producing
TNF
IFN-γ
in
vitro.
A
significantly
high
amount
depolarized
mitochondria
abnormal
ultrastructure.
redistribution
monocyte
subsets,
significant
expansion
intermediate/pro-inflammatory
cells,
amounts
immature
found,
along
concomitant
compression
classical
monocytes,
increased
expression
inhibitory
checkpoints
like
PD-1/PD-L1.
High
plasma
levels
several
inflammatory
cytokines
chemokines,
including
GM-CSF,
IL-18,
CCL2,
CXCL10,
osteopontin,
finally
confirm
the
importance
immunopathogenesis.
Nature Communications,
Год журнала:
2020,
Номер
11(1)
Опубликована: Ноя. 30, 2020
Single-cell
RNA
sequencing
(scRNA-seq)
has
become
an
empowering
technology
to
profile
the
transcriptomes
of
individual
cells
on
a
large
scale.
Early
analyses
differential
expression
have
aimed
at
identifying
differences
between
subpopulations
identify
subpopulation
markers.
More
generally,
such
methods
compare
levels
across
sets
cells,
thus
leading
cross-condition
analyses.
Given
emergence
replicated
multi-condition
scRNA-seq
datasets,
area
increasing
focus
is
making
sample-level
inferences,
termed
here
as
state
analysis;
however,
it
not
clear
which
statistical
framework
best
handles
this
situation.
Here,
we
surveyed
perform
analyses,
including
cell-level
mixed
models
and
based
aggregated
pseudobulk
data.
To
evaluate
method
performance,
developed
flexible
simulation
that
mimics
multi-sample
We
analyzed
data
from
mouse
cortex
uncover
subpopulation-specific
responses
lipopolysaccharide
treatment,
provide
robust
tools
for
analysis
within
muscat
R
package.
European Journal of Immunology,
Год журнала:
2021,
Номер
51(12), С. 2708 - 3145
Опубликована: Дек. 1, 2021
Abstract
The
third
edition
of
Flow
Cytometry
Guidelines
provides
the
key
aspects
to
consider
when
performing
flow
cytometry
experiments
and
includes
comprehensive
sections
describing
phenotypes
functional
assays
all
major
human
murine
immune
cell
subsets.
Notably,
contain
helpful
tables
highlighting
differences
between
cells.
Another
useful
feature
this
is
analysis
clinical
samples
with
examples
applications
in
context
autoimmune
diseases,
cancers
as
well
acute
chronic
infectious
diseases.
Furthermore,
there
are
detailing
tips,
tricks
pitfalls
avoid.
All
written
peer‐reviewed
by
leading
experts
immunologists,
making
an
essential
state‐of‐the‐art
handbook
for
basic
researchers.
Cell,
Год журнала:
2022,
Номер
185(5), С. 916 - 938.e58
Опубликована: Янв. 21, 2022
Treatment
of
severe
COVID-19
is
currently
limited
by
clinical
heterogeneity
and
incomplete
description
specific
immune
biomarkers.
We
present
here
a
comprehensive
multi-omic
blood
atlas
for
patients
with
varying
severity
in
an
integrated
comparison
influenza
sepsis
versus
healthy
volunteers.
identify
signatures
correlates
host
response.
Hallmarks
disease
involved
cells,
their
inflammatory
mediators
networks,
including
progenitor
cells
myeloid
lymphocyte
subsets,
features
the
repertoire,
acute
phase
response,
metabolism,
coagulation.
Persisting
activation
involving
AP-1/p38MAPK
was
feature
COVID-19.
The
plasma
proteome
enabled
sub-phenotyping
into
patient
clusters,
predictive
outcome.
Systems-based
integrative
analyses
tensor
matrix
decomposition
all
modalities
revealed
groupings
linked
specificity
compared
to
sepsis.
Our
approach
will
support
future
drug
development,
trial
design,
personalized
medicine
approaches
Nature,
Год журнала:
2022,
Номер
611(7934), С. 155 - 160
Опубликована: Окт. 26, 2022
Abstract
Relatlimab
and
nivolumab
combination
immunotherapy
improves
progression-free
survival
over
monotherapy
in
patients
with
unresectable
advanced
melanoma
1
.
We
investigated
this
regimen
resectable
clinical
stage
III
or
oligometastatic
IV
(NCT02519322).
Patients
received
two
neoadjuvant
doses
(nivolumab
480
mg
relatlimab
160
intravenously
every
4
weeks)
followed
by
surgery,
then
ten
of
adjuvant
therapy.
The
primary
end
point
was
pathologic
complete
response
(pCR)
rate
2
resulted
57%
pCR
70%
overall
among
30
treated.
radiographic
using
Response
Evaluation
Criteria
Solid
Tumors
1.1
57%.
No
grade
3–4
immune-related
adverse
events
were
observed
the
setting.
1-
2-year
recurrence-free
100%
92%
for
any
response,
compared
to
88%
55%
who
did
not
have
a
(
P
=
0.005).
Increased
immune
cell
infiltration
at
baseline,
decrease
M2
macrophages
during
treatment,
associated
response.
Our
results
indicate
that
induces
high
rate.
Safety
therapy
is
favourable
other
regimens.
These
data,
RELATIVITY-047
trial
,
provide
further
confirmation
efficacy
safety
new
regimen.
Nature Communications,
Год журнала:
2021,
Номер
12(1)
Опубликована: Янв. 19, 2021
Abstract
Glioblastoma
multiforme
(GBM)
is
the
most
common
and
aggressive
form
of
primary
brain
cancer,
for
which
effective
therapies
are
urgently
needed.
Chimeric
antigen
receptor
(CAR)-based
immunotherapy
represents
a
promising
therapeutic
approach,
but
it
often
impeded
by
highly
immunosuppressive
tumor
microenvironments
(TME).
Here,
in
an
immunocompetent,
orthotopic
GBM
mouse
model,
we
show
that
CAR-T
cells
targeting
tumor-specific
epidermal
growth
factor
variant
III
(EGFRvIII)
alone
fail
to
control
fully
established
tumors
but,
when
combined
with
single,
locally
delivered
dose
IL-12,
achieve
durable
anti-tumor
responses.
IL-12
not
only
boosts
cytotoxicity
cells,
also
reshapes
TME,
driving
increased
infiltration
proinflammatory
CD4
+
T
decreased
numbers
regulatory
(Treg),
activation
myeloid
compartment.
Importantly,
immunotherapy-enabling
benefits
achieved
minimal
systemic
effects.
Our
findings
thus
local
delivery
may
be
adjuvant
cell
therapy
GBM.