Signal Transduction and Targeted Therapy,
Journal Year:
2022,
Volume and Issue:
7(1)
Published: June 13, 2022
The
current
pandemic
of
coronavirus
disease
2019
(COVID-19)
caused
by
severe
acute
respiratory
syndrome
2
(SARS-CoV-2)
infection
has
dramatically
influenced
various
aspects
the
world.
It
is
urgent
to
thoroughly
study
pathology
and
underlying
mechanisms
for
developing
effective
strategies
prevent
treat
this
threatening
disease.
universally
acknowledged
that
cell
death
autophagy
are
essential
crucial
maintaining
host
homeostasis
participating
in
pathogenesis.
At
present,
more
than
twenty
different
types
have
been
discovered,
some
parts
which
fully
understood,
whereas
need
investigation.
Increasing
studies
indicated
might
play
an
important
role
virus
pathogenicity.
However,
knowledge
interactions
related
SARS-CoV-2
between
lacks
systematic
elucidation.
Therefore,
review,
we
comprehensively
delineate
how
manipulates
diverse
(including
apoptosis,
necroptosis,
pyroptosis,
ferroptosis,
NETosis)
itself
benefits,
simultaneously
involved
occurrence
progression
COVID-19,
aiming
provide
a
reasonable
basis
existing
interventions
further
development
novel
therapies.
Nature Medicine,
Journal Year:
2021,
Volume and Issue:
27(5), P. 904 - 916
Published: April 20, 2021
Analysis
of
human
blood
immune
cells
provides
insights
into
the
coordinated
response
to
viral
infections
such
as
severe
acute
respiratory
syndrome
coronavirus
2,
which
causes
disease
2019
(COVID-19).
We
performed
single-cell
transcriptome,
surface
proteome
and
T
B
lymphocyte
antigen
receptor
analyses
over
780,000
peripheral
mononuclear
from
a
cross-sectional
cohort
130
patients
with
varying
severities
COVID-19.
identified
expansion
nonclassical
monocytes
expressing
complement
transcripts
(CD16
Cell,
Journal Year:
2021,
Volume and Issue:
184(18), P. 4713 - 4733.e22
Published: July 23, 2021
SARS-CoV-2
infection
can
cause
severe
respiratory
COVID-19.
However,
many
individuals
present
with
isolated
upper
symptoms,
suggesting
potential
to
constrain
viral
pathology
the
nasopharynx.
Which
cells
primarily
targets
and
how
influences
epithelium
remains
incompletely
understood.
We
performed
scRNA-seq
on
nasopharyngeal
swabs
from
58
healthy
COVID-19
participants.
During
COVID-19,
we
observe
expansion
of
secretory,
loss
ciliated,
epithelial
cell
repopulation
via
deuterosomal
expansion.
In
mild
moderate
express
anti-viral/interferon-responsive
genes,
while
in
have
muted
anti-viral
responses
despite
equivalent
loads.
RNA
Science Translational Medicine,
Journal Year:
2021,
Volume and Issue:
13(612)
Published: Aug. 24, 2021
Neutralizing
autoantibodies
against
type
I
interferons
(IFNs)
have
been
found
in
some
patients
with
critical
coronavirus
disease
2019
(COVID-19),
the
caused
by
severe
acute
respiratory
syndrome
2
(SARS-CoV-2).
However,
prevalence
of
these
antibodies,
their
longitudinal
dynamics
across
severity
scale,
and
functional
effects
on
circulating
leukocytes
remain
unknown.
Here,
284
COVID-19,
we
IFN–specific
peripheral
blood
samples
from
19%
6%
disease.
We
no
IFN
individuals
moderate
Longitudinal
profiling
over
600,000
mononuclear
cells
using
multiplexed
single-cell
epitope
transcriptome
sequencing
54
COVID-19
26
non–COVID-19
controls
revealed
a
lack
IFN–stimulated
gene
(ISG-I)
responses
myeloid
This
was
especially
evident
dendritic
cell
populations
isolated
producing
autoantibodies.
Moreover,
elevated
expression
inhibitory
receptor
leukocyte-associated
immunoglobulin-like
1
(LAIR1)
surface
monocytes
early
course.
LAIR1
is
inversely
correlated
ISG-I
response
but
not
expressed
healthy
controls.
The
deficient
observed
without
supports
unifying
model
for
pathogenesis
involving
suppression
through
convergent
mechanisms.
Cellular and Molecular Immunology,
Journal Year:
2021,
Volume and Issue:
18(10), P. 2325 - 2333
Published: Aug. 19, 2021
Abstract
In
addition
to
CD4
+
T
cells
and
neutralizing
antibodies,
CD8
contribute
protective
immune
responses
against
SARS-CoV-2
in
patients
with
coronavirus
disease
2019
(COVID-19),
an
ongoing
pandemic
disease.
COVID-19,
exhibiting
activated
phenotypes
are
commonly
observed,
although
the
absolute
number
of
is
decreased.
addition,
several
studies
have
reported
upregulation
inhibitory
checkpoint
receptors,
such
as
PD-1,
expression
exhaustion-associated
gene
signatures
from
COVID-19.
However,
whether
truly
exhausted
during
COVID-19
has
been
a
controversial
issue.
present
review,
we
summarize
current
understanding
T-cell
exhaustion
describe
available
knowledge
on
functions
context
activation
exhaustion.
We
also
recent
reports
regarding
phenotypical
functional
analyses
SARS-CoV-2-specific
discuss
long-term
memory.
Science Immunology,
Journal Year:
2022,
Volume and Issue:
7(67)
Published: Jan. 7, 2022
Coronavirus
disease
2019
(COVID-19)
is
a
characterized
by
profound
dysregulation
of
the
innate
immune
system.
This
knowledge
has
emerged
from
large
body
single-cell
omics
studies
patients
with
COVID-19,
which
have
provided
one
most
detailed
cellular
atlases
human
ever.
However,
we
are
only
beginning
to
understand
immunological
pathways
that
govern
host
defense
and
immunopathology
in
COVID-19.
In
this
review,
discuss
emerging
understanding
how
SARS-CoV-2
host-derived
molecules
activate
specific
pattern
recognition
receptors
elicit
protective
interferon
responses
pathological
cytokine
responses,
particular
focus
on
acute
infection
lung
pathophysiology
critical
addition,
these
modulated
virus-host
interactions
stress-sensing
pathways.
In-depth
mechanisms
will
likely
uncover
molecular
targets
for
treatment
COVID-19
other
viral
infections.
it
reveal
fine
balance
between
beneficial
versus
causing
responses.
Nature Communications,
Journal Year:
2021,
Volume and Issue:
12(1)
Published: June 7, 2021
Prognostic
characteristics
inform
risk
stratification
in
intensive
care
unit
(ICU)
patients
with
coronavirus
disease
2019
(COVID-19).
We
obtained
blood
samples
(n
=
474)
from
hospitalized
COVID-19
123),
non-COVID-19
ICU
sepsis
25)
and
healthy
controls
30).
Severe
acute
respiratory
syndrome
2
(SARS-CoV-2)
RNA
was
detected
plasma
or
serum
(RNAemia)
of
when
neutralizing
antibody
response
low.
RNAemia
is
associated
higher
28-day
mortality
(hazard
ratio
[HR],
1.84
[95%
CI,
1.22-2.77]
adjusted
for
age
sex).
comparable
performance
to
the
best
protein
predictors.
Mannose
binding
lectin
pentraxin-3
(PTX3),
two
activators
complement
pathway
innate
immune
system,
are
positively
mortality.
Machine
learning
identified
'Age,
RNAemia'
PTX3'
as
binary
signatures
In
longitudinal
comparisons,
have
a
distinct
proteomic
trajectory
mortality,
recovery
many
liver-derived
proteins
indicating
survival.
Finally,
system
galectin-3-binding
(LGALS3BP)
interaction
partners
SARS-CoV-2
spike
glycoprotein.
LGALS3BP
overexpression
inhibits
spike-pseudoparticle
uptake
spike-induced
cell-cell
fusion
vitro.