Frontiers in Immunology,
Journal Year:
2022,
Volume and Issue:
13
Published: March 24, 2022
Severe
Acute
Respiratory
Syndrome
Coronavirus-2
(SARS-CoV-2),
which
causes
coronavirus-19
(COVID-19),
has
caused
significant
morbidity
and
mortality
globally.
In
addition
to
the
respiratory
manifestations
seen
in
severe
cases,
multi-organ
pathologies
also
occur,
making
management
a
much-debated
issue.
addition,
emergence
of
new
variants
can
potentially
render
vaccines
with
relatively
limited
utility.
Many
investigators
have
attempted
elucidate
precise
pathophysiological
mechanisms
causing
COVID-19
systemic
disease.
Spillover
lung-derived
cytokines
cytokine
storm
is
considered
cause
However,
recent
studies
provided
contradictory
evidence,
whereby
extent
insufficient
illness.
These
issues
are
highly
relevant,
as
approaches
considering
classic
form
acute
distress
syndrome
could
translate
unfounded
clinical
decisions,
detrimental
patient
trajectory.
Additionally,
immune
cell
signatures
that
characterize
disease
varying
severity
remain
contentious.
We
provide
an
up-to-date
review
on
dysregulation
by
highlight
pertinent
discussions
scientific
community.
The
response
from
community
been
unprecedented
regarding
development
effective
cutting-edge
research
novel
therapies.
hope
this
furthers
conversations
held
scientists
informs
aims
future
projects,
will
further
our
understanding
its
pathogenesis.
Nature reviews. Immunology,
Journal Year:
2021,
Volume and Issue:
22(1), P. 47 - 56
Published: Nov. 26, 2021
Human
coronaviruses
cause
a
wide
spectrum
of
disease,
ranging
from
mild
common
colds
to
acute
respiratory
distress
syndrome
and
death.
Three
highly
pathogenic
human
—
severe
coronavirus
(SARS-CoV),
Middle
East
SARS-CoV-2
have
illustrated
the
epidemic
pandemic
potential
coronaviruses,
better
understanding
their
disease-causing
mechanisms
is
urgently
needed
for
rational
design
therapeutics.
Analyses
patients
revealed
marked
dysregulation
immune
system
in
cases
infection,
there
ample
evidence
that
aberrant
responses
are
typified
by
impaired
induction
interferons,
exuberant
inflammatory
delayed
adaptive
responses.
In
addition,
various
viral
proteins
been
shown
impair
interferon
signalling
induce
inflammasome
activation.
This
suggests
disease
associated
with
mediated
both
dysregulated
host
active
interference.
Here
we
discuss
our
current
involved
each
these
scenarios.
this
Perspective,
Lok-Yin
Roy
Wong
Stanley
Perlman
consider
how
2
(SARS-CoV-2)
related
able
drive
immunopathology.
They
provide
an
overview
coronavirus-derived
molecules
interfere
key
innate
responses,
including
pathways
complement,
NF-κB
activation,
as
well
activation
immunity.
Viruses,
Journal Year:
2020,
Volume and Issue:
13(1), P. 29 - 29
Published: Dec. 26, 2020
The
ongoing
pandemic
of
coronavirus
disease
2019
(COVID-19)
caused
by
the
acute
respiratory
syndrome-coronavirus-2
(SARS-CoV-2)
poses
a
persistent
threat
to
global
public
health.
Although
primarily
illness,
extrapulmonary
manifestations
COVID-19
include
gastrointestinal,
cardiovascular,
renal
and
neurological
diseases.
Recent
studies
suggest
that
dysfunction
endothelium
during
may
exacerbate
these
deleterious
events
inciting
inflammatory
microvascular
thrombotic
processes.
controversial,
there
is
evidence
SARS-CoV-2
infect
endothelial
cells
binding
angiotensin-converting
enzyme
2
(ACE2)
cellular
receptor
using
viral
Spike
protein.
In
this
review,
we
explore
current
insights
into
relationship
between
infection,
due
ACE2
downregulation,
pulmonary
extra-pulmonary
immunothrombotic
complications
in
severe
COVID-19.
We
also
discuss
preclinical
clinical
development
therapeutic
agents
targeting
SARS-CoV-2-mediated
dysfunction.
Finally,
present
replication
primary
human
lung
cardiac
cells.
Accordingly,
striving
understand
parameters
lead
patients,
it
important
consider
how
direct
infection
contribute
process.
Signal Transduction and Targeted Therapy,
Journal Year:
2022,
Volume and Issue:
7(1)
Published: Feb. 23, 2022
Abstract
The
coronavirus
disease
2019
(COVID-19)
is
a
highly
transmissible
caused
by
the
severe
acute
respiratory
syndrome
2
(SARS-CoV-2)
that
poses
major
threat
to
global
public
health.
Although
COVID-19
primarily
affects
system,
causing
pneumonia
and
distress
in
cases,
it
can
also
result
multiple
extrapulmonary
complications.
pathogenesis
of
damage
patients
with
probably
multifactorial,
involving
both
direct
effects
SARS-CoV-2
indirect
mechanisms
associated
host
inflammatory
response.
Recognition
features
complications
has
clinical
implications
for
identifying
progression
designing
therapeutic
strategies.
This
review
provides
an
overview
from
immunological
pathophysiologic
perspectives
focuses
on
potential
targets
management
COVID-19.
Cells,
Journal Year:
2021,
Volume and Issue:
10(1), P. 186 - 186
Published: Jan. 19, 2021
Endotheliopathy
is
suggested
to
be
an
important
feature
of
COVID-19
in
hospitalized
patients.
To
determine
whether
endotheliopathy
involved
COVID-19-associated
mortality,
markers
endothelial
damage
were
assessed
critically
ill
patients
upon
intensive
care
unit
(ICU)
admission.
Thirty-eight
included
this
observational
study,
10
whom
died
the
ICU.
Endothelial
biomarkers,
including
soluble
(s)E-selectin,
sP-selectin,
angiopoietin
1
and
2
(Ang-1
Ang-2,
respectively),
intercellular
adhesion
molecule
(sICAM-1),
vascular
growth
factor
(VEGF),
(VE)-cadherin,
von
Willebrand
(vWf),
measured
ICU
The
cohort
was
subsequently
divided
into
survivors
non-survivors;
Kaplan–Meier
analysis
used
explore
associations
between
biomarkers
survival,
while
receiver
operating
characteristic
(ROC)
curves
generated
their
potential
prognostic
value.
sE-selectin,
sICAM-1
significantly
elevated
non-survivors
compared
survivors,
also
associated
with
a
higher
mortality
probability
analysis.
values
from
ROC
greater
than
0.85.
Hence,
we
conclude
that
our
cohort,
had
levels
specific
survivors.
Elevated
these
admission
could
possibly
predict
COVID-19.
Seminars in Thrombosis and Hemostasis,
Journal Year:
2021,
Volume and Issue:
47(04), P. 400 - 418
Published: April 23, 2021
Abstract
von
Willebrand
factor
(VWF)
is
a
large
adhesive
multimeric
protein
involved
in
hemostasis.
The
larger
the
size
(or
number
of
VWF
multimers),
greater
functionality
protein.
A
deficiency
or
defect
can
lead
to
disease
(VWD)
and
cause
bleeding.
Conversely,
an
increase
may
create
environment
that
promotes
thrombosis.
ADAMS-13
(a
disintegrin
metalloproteinase
with
thrombospondin
type
1
motif,
member
13),
sometimes
called
VWF-cleaving
protease,
primarily
responsible
for
controlling
VWF.
most
severe
(<10%
normal
levels)
ADAMTS-13
arises
thrombotic
thrombocytopenic
purpura,
condition
characterized
by
presence
ultralarge
clinically
resulting
enhanced
risk
However,
result
from
other
pathological
processes.
Of
relevance
recent
finding
COVID-19
(coronavirus
2019)
associated
both
increased
levels
activity
as
well
generally
decreased
occasionally
normal)
ADAMTS-13.
Thus,
there
alteration
VWF/ADAMTS-13
axis,
often
described
ratio
reduced
ADAMTS-13/VWF
ratio).
also
high
prothrombotic
risk.
imbalance
be
providing
milieu
(micro)thrombosis,
clinical
picture
resembling
secondary
microangiopathy
some
patients.
This
review
therefore
assesses
literature
on
VWF,
ADAMTS-13,
COVID-19.
Whenever
reported
COVID-19,
has
always
been
identified
raised
(compared
reference
ranges
control
populations).
Reports
have
included
level
(i.e.,
antigen)
cases
one
more
“activity”
(e.g.,
collagen
binding;
platelet
glycoprotein
Ib
[GPIb]
binding,
using
ristocetin
cofactor
modern
versions
including
VWF:GPIbR
[recombinant]
VWF:GPIbM
[mutant]).
reported,
“normal”
reduced;
however,
it
should
recognized
still
identify
relative
reduction
individual
cases.
Some
reports
discuss
ADAMTS-13/VWF)
ratio,
but
very
few
provide
actual
numerical
data.
Autoimmunity Reviews,
Journal Year:
2021,
Volume and Issue:
21(3), P. 103012 - 103012
Published: Dec. 9, 2021
The
relation
between
infections
and
autoimmune
diseases
has
been
extensively
investigated.
Multiple
studies
suggest
a
causal
these
two
entities
with
molecular
mimicry,
hyperstimulation
dysregulation
of
the
immune
system
as
plausible
mechanisms.
recent
pandemic
new
virus,
i.e.,
SARS-CoV-2,
resulted
in
numerous
addressing
potential
this
virus
to
induce
autoimmunity
and,
eventually,
disease.
In
addition,
it
also
revealed
that
pre-existing
auto-immunity
(auto-Abs
neutralizing
type
I
IFNs)
could
cause
life-threatening
Therefore,
topic
15th
Dresden
Symposium
on
Autoantibodies
was
focused
SARS-CoV-2
era.
This
report
is
collection
distillation
topics
presented
at
meeting.
Stroke,
Journal Year:
2021,
Volume and Issue:
52(5), P. 1895 - 1904
Published: April 2, 2021
The
Coronavirus
disease
2019
(COVID)-19
pandemic
has
already
affected
millions
worldwide,
with
a
current
mortality
rate
of
2.2%.
While
it
is
well-established
that
severe
acute
respiratory
syndrome-coronavirus-2
causes
upper
and
lower
tract
infections,
number
neurological
sequelae
have
now
been
reported
in
large
proportion
cases.
Additionally,
the
arterial
venous
thromboses
including
pulmonary
embolism,
myocardial
infarction,
significant
cerebrovascular
complications.
increasing
incidence
vessel
ischemic
strokes
as
well
intracranial
hemorrhages,
frequently
younger
individuals,
associated
increased
morbidity
mortality,
raised
questions
to
why
brain
major
target
disease.
COVID-19
characterized
by
hypercoagulability
alterations
hemostatic
markers
high
D-dimer
levels,
which
are
prognosticator
poor
outcome.
Together
findings
fibrin-rich
microthrombi,
widespread
extracellular
fibrin
deposition
various
organs
hypercytokinemia,
this
suggests
more
than
viral
infection.
Evidently,
thrombo-inflammatory
Endothelial
cells
constitute
lining
blood
vessels
primary
targets
response,
syndrome
coronavirus
2
also
directly
infects
endothelial
through
ACE2
(angiotensin-converting
enzyme
2)
receptor.
Being
highly
heterogeneous
their
structure
function,
differences
may
govern
susceptibility
COVID-19.
Here,
we
explored
how
unique
characteristics
cerebral
endothelium
be
underlying
reason
for
rates
pathology