Viruses,
Journal Year:
2024,
Volume and Issue:
16(10), P. 1638 - 1638
Published: Oct. 20, 2024
Given
the
ongoing
COVID-19
pandemic,
there
is
a
need
to
identify
SARS-CoV-2
and
differentiate
it
from
other
respiratory
viral
infections,
especially
influenza
A
B,
in
various
critical
settings.
Since
their
introduction,
use
of
rapid
antigen
tests
has
spread
worldwide,
but
variability
diagnostic
accuracy.
In
present
study,
we
evaluated
clinical
performance
ID
NOW™
2.0,
molecular
point-of-care
test
(POCT)
based
on
enzymatic
isothermal
amplification
for
differential
diagnosis
A/B
pediatric
emergency
setting.
cohort
patients
admitted
between
December
2022
February
2023
were
simultaneously
tested
with
POCT
standard
laboratory
assay.
Our
findings
showed
high
negative
agreement
assay
across
different
age
groups
SARS-CoV-2,
A,
B
(more
than
98.0%),
while
its
positive
varied
significantly
abovementioned
species
50.0%
100%.
These
results
highlight
potential
2.0
as
reliable
tool
excluding
infections
symptomatic
patients,
although
variable
suggests
confirmatory
RT-qPCR
testing
certain
epidemiological
settings
order
ensure
accurate
appropriate
patient
management.
Vaccines,
Journal Year:
2023,
Volume and Issue:
11(3), P. 682 - 682
Published: March 17, 2023
We
are
currently
approaching
three
years
since
the
beginning
of
coronavirus
disease
2019
(COVID-19)
pandemic.
SARS-CoV-2
has
caused
extensive
disruptions
in
everyday
life,
public
health,
and
global
economy.
Thus
far,
vaccine
worked
better
than
expected
against
virus.
During
pandemic,
we
experienced
several
things,
such
as
virus
its
pathogenesis,
clinical
manifestations,
treatments;
emerging
variants;
different
vaccines;
development
processes.
This
review
describes
how
each
been
developed
approved
with
help
modern
technology.
also
discuss
critical
milestones
during
process.
Several
lessons
were
learned
from
countries
two
research,
development,
trials,
vaccination.
The
process
will
to
fight
next
iScience,
Journal Year:
2023,
Volume and Issue:
26(6), P. 106759 - 106759
Published: April 28, 2023
The
emergence
and
rapid
spread
of
the
monkeypox
virus
(MPXV)
to
non-endemic
countries
has
brought
this
once
obscure
pathogen
forefront
global
public
health.
Given
range
conditions
that
cause
similar
skin
lesions,
because
clinical
manifestation
may
often
be
atypical
in
current
mpox
outbreak,
it
can
challenging
diagnose
patients
based
on
signs
symptoms.
With
perspective
mind,
laboratory-based
diagnosis
assumes
a
critical
role
for
management,
along
with
implementation
countermeasures.
Here,
we
review
features
reported
patients,
available
laboratory
tests
diagnosis,
discuss
principles,
advances,
advantages,
drawbacks
each
assay.
We
also
highlight
diagnostic
platforms
potential
guide
ongoing
response,
particularly
those
increase
capacity
low-
middle-income
countries.
outlook
evolving
research
area,
hope
provide
resource
community
inspire
more
development
alternatives
applications
future
health
crises.
Infection Genetics and Evolution,
Journal Year:
2023,
Volume and Issue:
110, P. 105426 - 105426
Published: March 17, 2023
Severe
acute
respiratory
syndrome
coronavirus
2
(SARS-CoV-2)
is
the
etiologic
agent
of
disease
2019
(COVID-19)
pandemic.
Clinical
manifestations
range
from
an
asymptomatic
condition
to
life-threatening
events
and
death,
with
more
severe
courses
being
associated
age,
male
sex,
comorbidities.
Besides
these
risk
factors,
intrinsic
characteristics
virus
as
well
genetic
factors
host
are
expected
account
for
COVID-19
clinical
heterogeneity.
Genetic
studies
have
long
been
recognized
fundamental
identify
biological
mechanisms
underlying
congenital
diseases,
pinpoint
genes/proteins
responsible
susceptibility
different
inherited
conditions,
highlight
targets
therapeutic
relevance,
suggest
drug
repurposing,
even
clarify
causal
relationships
that
make
modifiable
some
environmental
factors.
Though
usually
take
time
be
concluded
and,
above
all,
translate
their
discoveries
patients'
bedside,
scientific
community
moved
really
fast
deliver
signals
phenotypes.
In
this
Review,
besides
a
concise
description
symptomatology
SARS-CoV-2
mechanism
infection,
we
aimed
recapitulate
current
literature
in
terms
specifically
associate
increased
severity
disease.
Analytical Chemistry,
Journal Year:
2022,
Volume and Issue:
94(47), P. 16361 - 16368
Published: Nov. 16, 2022
The
unstoppable
spread
of
severe
acute
respiratory
syndrome
coronavirus
2
(SARS-CoV-2)
has
severely
threatened
public
health
over
the
past
years.
current
ubiquitously
accepted
method
for
its
diagnosis
provides
sensitive
detection
virus;
however,
it
is
relatively
time-consuming
and
costly,
not
to
mention
need
highly
skilled
personnel.
There
a
clear
develop
novel
computer-based
diagnostic
tools
provide
rapid,
cost-efficient,
time-saving
in
places
where
massive
traditional
testing
practical.
Here,
we
an
electrochemiluminescence
(ECL)-based
system
whose
results
are
quantified
as
reverse
transcriptase
polymerase
chain
reaction
(RT-PCR)
cyclic
threshold
(CT)
values.
A
concentration-dependent
signal
generated
upon
introduction
virus
electrode
recorded
with
smartphone
camera.
ECL
images
used
train
machine
learning
algorithms,
model
using
artificial
neural
networks
(ANNs)
45
samples
was
developed.
demonstrated
more
than
90%
accuracy
50
unknown
real
samples,
detecting
up
CT
value
32
limit
(LOD)
10–12
g
mL–1
samples.
Molecules,
Journal Year:
2023,
Volume and Issue:
28(6), P. 2470 - 2470
Published: March 8, 2023
Natural
products
and
plant
extracts
exhibit
many
biological
activities,
including
that
related
to
the
defense
mechanisms
against
parasites.
Many
studies
have
investigated
functions
of
secondary
metabolites
reported
evidence
antiviral
activities.
The
pandemic
emergencies
further
increased
interest
in
finding
agents,
efforts
are
oriented
investigate
possible
activities
human
viruses
their
potential
application
treating
or
preventing
SARS-CoV-2
infection.
In
this
review,
we
performed
a
comprehensive
analysis
through
silico
vitro
investigations,
also
vivo
applications
clinical
trials,
evaluate
state
knowledge
on
infection,
with
particular
focus
natural
compounds
present
food
plants.
Although
some
seem
be
useful
prevention
as
therapeutic
management
SARS-CoV-2,
up
now,
no
molecules
can
used
treatment
for
COVID-19;
however,
more
research
is
needed.
Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 4, 2024
Abstract
The
COVID-19
Spike
protein
24
LPP,
69
HV,
143
VYY,
156
FR,
212
L
deletions,
215
EPE
and
249
RWMD
insertions
were
very
well
characterized.
Changes
in
spike
likely
select
RBD
a
favorable
3-D
structure
to
interact
with
ACE-2
receptor
of
human
cells
for
coronavirus
entry.
Our
goal
is
characterize
the
newly
spreading
JN.1
subvariant
related
omicron
coronaviruses.
BLASTP
search
found
17
MPLF
four
amino
acid
insertion
BA.2.86
its
precedent
which
had
unique
L452S
(L455
Wuhan)
mutation.
variant
also
contained
2375
SGF
deletion
ORF1ab,
145
Y,
211
N
(
208
BA.2)
483
V
480
deletions
spike,
31
ERS
N-protein
26nt
3’-UTR
(NC_045512.2).
Many
mutations
(242N
=
H249N,
261D
A268D,
352T
K360T,
400K
R407K,
442H
P449H,
449W
L456W,
474K
N485K,
480K
A488K
566V
A574V)
might
be
important.
BLASTN
oligo
over
3895
sequences
NCBI
Database
distributed
America
Europe
but
more
monopartite
deposited
from
Europe.
Although,
acquired
HV
lately
did
not
generated
BA.4
or
BA.5
lineages
it
was
solely
variant.
Swiss-Model
detected
wing
basic
middle
tripartite
important
first
interacting
surface
acids
changed.
small
M
D3H,
A63T
A104V
Swiss
Model
showed
no
gross
change
structure.
Further,
specific
ORF1ab
polyprotein
detected:
T170I
mutation
nsp1
as
D1600N,
K1973R
nsp3
protease
R3821K
nsp6.
Astonishingly,
after
long
journey
XBB.1.5.1
XBB.1.5.100
subvariants
spread,
sudden
five
176
EGKEG
180
EGKQG
XBB.1.5.103
found.
ORF8
immune-regulatory
expression
abolished
all
XBB.1
including
XBB.1.16.23
expected
due
termination
codon
(AAA
TAA,
CAA
GGA
TGA).
But
such
gene
(GGA
TGA)
ongoing
dominated
JD.1.1,
FL.1.5.1,
HV.1
EG.5.1.1
subvariants,
derived
lineage.
FL.1.5.1
has
82
GHV
instead
GHVMV
27nt
(27887
5’-aac
gaa
cat
att
tct
tgt
ttt
ctt-3’)
ORF7a
gene.
Partial
nsp1,
regulatory
proteins
cause
immune
deficient
less
pathogenic.
spread
sent
an
alarm
among
health
officials
worldwide.
It
worthwhile
see
if
goes
OR7a
time
lowering
pathogenicity.
Journal of Applied Pharmaceutical Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
A
computer-aided
drug
design
of
new
derivatives
nirmatrelvir,
an
orally
active
inhibitor
the
main-protease
(Mpro)
severe
acute
respiratory
syndrome
Coronavirus
2
(SARS-CoV-2),
was
performed
to
identify
its
analogues
with
a
higher
antiviral
potency.
The
following
workflow
used:
first,
evolutionary
library
composed
1,866
generated
starting
from
parent
nirmatrelvir
scaffold
and
going
through
small
mutation,
fitness
scoring,
ranking,
selection.
Second,
preprocessed
filtered
against
3-D
pharmacophore
model
built
X-ray
structure
in
co-crystalized
complex
Mpro
enzyme,
allowing
us
reduce
chemical
space
32
analogues.
Third,
structure-based
molecular
docking
two
different
enzyme
structures
further
ranked
these
candidates,
so
that
up
eight
better-binding
analogs
were
identified.
selected
hit-analogues
target
enzymes
SARS-CoV-2
binding
affinity
than
nirmatrelvir.
main
structural
modifications
increase
overall
inhibitory
are
identified
at
azabicyclo[3.1.0]
hexane
2-oxopyrrolidine
fragments.
characteristic
feature
centre
is
similar
location
trifluoroacetylamino
fragment,
which
observed
for
most
hit-analogues.
suggested
rational
noncovalent
inhibitors
based
on
approved
drugs
promising,
extremely
low-cost,
time-efficient
approach
development
potential
pharmaceutical
ingredients
treatment
Disease
2019.