A Novel In Vitro Primary Human Alveolar Model (AlveolAir™) for H1N1 and SARS-CoV-2 Infection and Antiviral Screening
Microorganisms,
Год журнала:
2025,
Номер
13(3), С. 572 - 572
Опубликована: Март 3, 2025
Lower
respiratory
infections,
mostly
caused
by
viral
or
bacterial
pathogens,
remain
a
leading
global
cause
of
mortality.
The
differences
between
animal
models
and
humans
contribute
to
inefficiencies
in
drug
development,
highlighting
the
need
for
more
relevant
predictive,
non-animal
models.
In
this
context,
AlveolAir™,
fully
primary
vitro
3D
human
alveolar
model,
was
characterized
demonstrated
sustained
presence
type
I
(ATI)
II
(ATII)
cells.
This
model
exhibited
functional
barrier
over
30-day
period,
evidenced
high
transepithelial
electrical
resistance
(TEER).
These
findings
were
further
validated
tight
junctions’
confocal
microscopy
low
permeability
Lucifer
yellow,
confirming
AlveolAir™
as
robust
platform
transport
assays.
Additionally,
successful
infections
with
H1N1
SARS-CoV-2
viruses
achieved,
antiviral
treatments
Baloxavir
Remdesivir,
respectively,
effectively
reduced
replication.
Interestingly,
both
infected
only
epithelial
layer
without
replicating
endothelial
indicate
assessing
toxicity
xenobiotics
evaluating
efficacy
novel
therapies.
Язык: Английский
Distribution of aminopeptidase N coronavirus receptors in the respiratory and digestive tracts of domestic and wild artiodactyls and carnivores
Journal of General Virology,
Год журнала:
2025,
Номер
106(4)
Опубликована: Апрель 4, 2025
Aminopeptidase
N
(APN)
is
a
transmembrane
protein
that
mediates
the
attachment
of
spike
several
clinically
important
coronaviruses
(CoVs)
responsible
for
respiratory
and
intestinal
diseases
in
animals
humans.
To
assess
potential
APN-mediated
viral
tropism,
we
characterized
APN
receptor
distribution
tissues
various
artiodactyls
(cervids,
bovids,
camelids
suids)
carnivores
(canids,
felids,
mustelids
phocids)
using
immunohistochemistry.
In
lungs,
expression
was
limited
to
artiodactyls,
with
strong
bronchiolar
epithelium
weaker
pneumocytes.
Nasal
turbinate
tracheal
samples,
where
available,
showed
stronger
over
carnivores.
consistently
detected
on
microvilli
enterocytes
small
intestine
across
multiple
taxa,
while
presence
colon
more
variable.
Of
examined,
pig
alpaca
expressed
most
abundant
upper
lower
tract.
silico
evaluation
orthologue
sequences
from
humans,
identified
distinct
evolutionary
relationships.
Further
binding
predictions
alphacoronavirus
human
coronavirus
229E
cognate
heterologous
revealed
substantial
overlapping
footprints
high
conservation
amino
acid
residues,
suggesting
an
divergence
subsequent
adaptation
229E-like
or
ancestral
virus
within
non-human
animal
host.
This
combined
anatomical
approach
enhances
understanding
host
susceptibility,
tissue
tropism
transmission
mechanisms
APN-dependent
CoVs
has
inform
future
strategies
disease
modelling,
surveillance
control.
Язык: Английский
Host Cell Proteases Involved in Human Respiratory Viral Infections and Their Inhibitors: A Review
Viruses,
Год журнала:
2024,
Номер
16(6), С. 984 - 984
Опубликована: Июнь 19, 2024
Viral
tropism
is
most
commonly
linked
to
receptor
use,
but
host
cell
protease
use
can
be
a
notable
factor
in
susceptibility
infection.
Here
we
review
the
of
proteases
by
human
viruses,
focusing
on
those
with
primarily
respiratory
tropism,
particularly
SARS-CoV-2.
We
first
describe
various
classes
present
tract,
as
well
elsewhere
body,
and
incorporate
targeting
these
therapeutic
drugs
for
humans.
Host
are
also
systemic
spread
viruses
play
important
roles
outside
tract;
therefore,
address
how
affect
across
spectrum
infections
that
occur
humans,
intending
understand
extrapulmonary
Язык: Английский
The Neurological Implications of COVID-19: A Comprehensive Narrative Review
Cureus,
Год журнала:
2024,
Номер
unknown
Опубликована: Май 15, 2024
The
COVID-19
pandemic
caused
by
the
coronavirus
SARS-CoV-2
revealed
a
huge
number
of
problems
as
well
discoveries
in
medicine,
notably,
regarding
effects
virus
on
central
nervous
system
(CNS)
and
peripheral
(PNS).
This
paper
is
narrative
review
that
takes
deep
dive
into
complex
interactions
between
NS.
Therefore,
this
explains
broad
range
neurological
manifestations
neurodegenerative
diseases
virus.
It
carefully
considers
routes
through
which
reaches
NS,
including
olfactory
course,
hematogenous
route,
are
also
covered
when
discussing
virus's
direct
indirect
mechanisms
neuropathogenesis.
Besides
pathologies
such
stroke,
encephalitis,
Guillain-Barré
syndrome,
Parkinson's
disease,
multiple
sclerosis,
focus
area
given
to
challenges
making
diagnosis,
treatment,
management
these
conditions
during
pandemic.
examines
strategic
interventional
approaches
utilized
prevent
disorders,
ACE2
receptors
implicated
mediation
COVID-19.
detailed
overview,
combines
research
outputs
with
case
data,
directed
at
tackling
challenge,
view
toward
better
patient
care
outcomes
future.
Язык: Английский
Monitoring SARS-CoV-2 infection in urban and peri-urban wildlife species from Catalonia (Spain)
One Health Outlook,
Год журнала:
2024,
Номер
6(1)
Опубликована: Сен. 1, 2024
Abstract
Background
Human
activities
including
deforestation,
urbanization,
and
wildlife
exploitation
increase
the
risk
of
transmission
zoonotic
diseases.
Urban
peri-urban
species
often
flourish
in
human-altered
environments,
with
their
survival
behavior
heavily
influenced
by
human-generated
food
waste.
In
Catalonia,
Spain,
other
Mediterranean
regions,
rodents,
house
mouse
(
Mus
musculus)
,
black
rat
Rattus
rattus)
Norway
norvegicus)
as
well
wild
boar
Sus
scrofa
)
are
common
urban
areas.
These
host
numerous
infectious
agents,
coronaviruses
(CoVs),
posing
potential
human
health
risks.
During
coronavirus
disease
2019
(COVID-19)
pandemic,
severe
acute
respiratory
syndrome
2
(SARS-CoV-2)
evolved
to
infect
previously
non-susceptible
species,
variants
capable
infecting
emphasizing
importance
surveillance
studies.
Methods
The
present
study
assessed
SARS-CoV-2
presence
and/or
exposure
232
313
boar,
37
Vietnamese
Pot-bellied
pigs
Catalonia
during
pandemic
period
(2020–2023).
Results
All
animals
tested
for
infection
(232
rodents
29
boar)
were
negative.
For
exposure,
3
out
(0.96%)
positive
ELISA,
while
remaining
32
310
all
Cross-reactivity
CoVs
was
predicted
ELISA-positive
samples,
negative
virus
neutralization
assay,
considered
gold
standard
technique.
Conclusions
absence
or
rodent
supports
negligible
role
viral
spread
COVID-19
Catalonia.
However,
proximity
humans
ongoing
genetic
evolution
underline
need
continued
monitoring.
Surveillance
animal
can
contribute
design
measures
control
emergence
new
reservoirs
intermediate
hosts
that
could
facilitate
spillover
events.
Язык: Английский
Increased Susceptibility of Rousettus aegyptiacus Bats to Respiratory SARS-CoV-2 Challenge Despite Its Distinct Tropism for Gut Epithelia in Bats
Viruses,
Год журнала:
2024,
Номер
16(11), С. 1717 - 1717
Опубликована: Окт. 31, 2024
Increasing
evidence
suggests
bats
are
the
ancestral
hosts
of
majority
coronaviruses.
In
general,
coronaviruses
primarily
target
gastrointestinal
system,
while
some
strains,
especially
Betacoronaviruses
with
most
relevant
representatives
SARS-CoV,
MERS-CoV,
and
SARS-CoV-2,
also
cause
severe
respiratory
disease
in
humans
other
mammals.
We
previously
reported
susceptibility
Язык: Английский