SARS-CoV-2 Infects Human ACE2-Negative Endothelial Cells through an αvβ3 Integrin-Mediated Endocytosis Even in the Presence of Vaccine-Elicited Neutralizing Antibodies
Viruses,
Journal Year:
2022,
Volume and Issue:
14(4), P. 705 - 705
Published: March 29, 2022
Integrins
represent
a
gateway
of
entry
for
many
viruses
and
the
Arg-Gly-Asp
(RGD)
motif
is
smallest
sequence
necessary
proteins
to
bind
integrins.
All
Severe
Acute
Respiratory
Syndrome
Virus
type
2
(SARS-CoV-2)
lineages
own
an
RGD
(aa
403-405)
in
their
receptor
binding
domain
(RBD).
We
recently
showed
that
SARS-CoV-2
gains
access
into
primary
human
lung
microvascular
endothelial
cells
(HL-mECs)
lacking
Angiotensin-converting
enzyme
(ACE2)
expression
through
this
conserved
motif.
Following
its
entry,
remodels
cell
phenotype
promotes
angiogenesis
absence
productive
viral
replication.
Here,
we
highlight
αvβ3
integrin
as
main
molecule
responsible
infection
HL-mECs
via
clathrin-dependent
endocytosis.
Indeed,
pretreatment
virus
with
or
monoclonal
antibody
against
was
found
inhibit
HL-mECs.
Surprisingly,
anti-Spike
antibodies
evoked
by
vaccination
were
neither
able
impair
Spike/integrin
interaction
nor
prevent
Our
data
Spike
protein
functional
constraint
aimed
maintain
envelope
At
same
time,
our
evidences
call
need
intervention
strategies
neutralize
integrin-mediated
ACE2-negative
vaccine
era.
Language: Английский
Molecular Docking studies of Apigenin, Kaempferol, and Quercetin as potential target against spike receptor protein of SARS COV
Journal of Experimental Biology and Agricultural Sciences,
Journal Year:
2022,
Volume and Issue:
10(1), P. 144 - 149
Published: Feb. 28, 2022
COVID-19
has
been
categorized
as
a
pandemic
in
early
2020
and
is
known
to
cause
by
Severe
Acute
Respiratory
Syndrome
Coronavirus
(SARS–CoV2).
Numerous
investigators
people
the
scientific
community
are
trying
find
superlative
way
avert
cure
ailment
using
phytochemicals.
Abundant
studies
have
revealed
that
flavonoids
can
be
very
operative
averting
virus-mediated
infection.
The
purpose
of
this
study
was
accomplish
molecular
docking
among
plant-derived
(Apigenin,
Kaempferol,
Quercetin)
spike
receptor
(PDB
ID:
2AJF)
protein
coronavirus.
Pyrx
virtual
screening
tool
biovia
discovery
studio
visualizer
were
utilized
current
investigations.
Outcomes
exposed
selected
phytochemicals
interacted
with
targeted
binding
energies
range
-6.3
-7.3
kcal.
In
conclusion
various
ligands,
quercetin
may
better
inhibitor
for
deactivation
SARS-Coronavirus.
Language: Английский
New Insights into Bacterial Pathogenesis
Pathogens,
Journal Year:
2022,
Volume and Issue:
12(1), P. 38 - 38
Published: Dec. 26, 2022
Pathogenicity,
or
the
ability
of
a
microorganism
to
cause
disease,
depends
on
several
factors,
among
which
immune
status
host
and
microbial
species
involved
in
exposure
play
key
role
[...]
Language: Английский
Plumbagin's molecular docking studies as a possible target for the SARS-CoV-2 spike receptor protein
Murugesan Raman -,
No information about this author
Girija Shanmugam -,
No information about this author
Ashokkumar Jayavel -
No information about this author
et al.
International Journal For Multidisciplinary Research,
Journal Year:
2023,
Volume and Issue:
5(6)
Published: Dec. 20, 2023
Around
the
end
of
2019,
reports
unusual
cases
pneumonia
with
specific
symptoms
started
to
arrive
in
Wuhan,
China.
Within
a
few
weeks,
atypical
spread
throughout
China,
and
months
after
that,
it
became
global
pandemic.
The
etiological
agent
that
pandemic,
which
is
officially
known
as
COVID-19,
Severe
Acute
Respiratory
Syndrome
Coronavirus
2
(SARS-CoV-2).
In
an
attempt
find
efficient
therapy
either
fight
COVID-19
or
cure
infected
people
from
its
tissue
damage,
researchers
around
world
have
been
studying
several
plants,
herbs,
natural
products.
Abundant
studies
revealed
organic
compounds
can
be
very
operative
averting
virus-mediated
infection.
purpose
this
study
was
accomplish
molecular
docking
among
plant-derived
naphthoquinone
(Plumbagin)
spike
receptor
(THR304)
proteins
coronavirus.
MGL
virtual
screening
tool
Biovia
Discovery
Studio
were
utilized
current
investigations.
Outcomes
exposed
selected
interacted
targeted
protein
binding
energies
range
-4.0
-9.5
kcal,
means
energy
target
ligand
-5.78.
summary,
plumbagin
seems
more
effective
primary
protease
inhibitor
than
other
chosen
ligands
for
deactivating
SARS-Coronavirus.
Language: Английский