American Journal of Reproductive Immunology,
Journal Year:
2024,
Volume and Issue:
91(4)
Published: April 1, 2024
Abstract
Preeclampsia
is
one
of
the
most
common
disorders
that
poses
threat
to
both
mothers
and
neonates
a
major
contributor
perinatal
morbidity
mortality
worldwide.
Viral
infection
during
pregnancy
not
typically
considered
cause
preeclampsia;
however,
syndromic
nature
preeclampsia
etiology
immunomodulatory
effects
viral
infections
suggest
microbes
could
trigger
subset
preeclampsia.
Notably,
SARS‐CoV‐2
associated
with
an
increased
risk
Herein,
we
review
potential
role
in
this
great
obstetrical
syndrome.
According
vitro
vivo
experimental
studies,
can
by
introducing
poor
placentation,
syncytiotrophoblast
stress,
and/or
maternal
systemic
inflammation,
which
are
all
known
play
critical
development
Moreover,
clinical
investigations
have
suggested
link
between
several
viruses
onset
via
multiple
pathways.
However,
results
research
always
consistent.
Therefore,
future
studies
should
investigate
causal
elucidate
mechanism
behind
relationship
itself.
iScience,
Journal Year:
2022,
Volume and Issue:
25(5), P. 104223 - 104223
Published: April 11, 2022
The
effect
of
SARS-CoV-2
infection
on
placental
function
is
not
well
understood.
Analysis
placentas
from
women
who
tested
positive
at
delivery
showed
genomic
and
subgenomic
RNA
in
22
out
52
placentas.
Placentas
two
mothers
with
symptomatic
COVID-19
whose
pregnancies
resulted
adverse
outcomes
for
the
fetuses
contained
high
levels
viral
Alpha
variant
RNA.
was
localized
to
trophoblasts
that
cover
fetal
chorionic
villi
direct
contact
maternal
blood.
intervillous
spaces
were
infiltrated
macrophages
T
cells.
Transcriptome
analysis
an
increased
expression
chemokines
pathways
associated
inflammation.
Infection
cultures
live
spike
protein-pseudotyped
lentivirus
syncytiotrophoblast
and,
rare
cases,
endothelial
cells
mediated
by
ACE2
Neuropilin-1.
Viruses
Alpha,
Beta,
Delta
spikes
infected
significantly
greater
levels.
Viruses,
Journal Year:
2023,
Volume and Issue:
15(1), P. 175 - 175
Published: Jan. 7, 2023
The
clinical
course
and
outcome
of
COVID-19
are
highly
variable,
ranging
from
asymptomatic
infections
to
severe
disease
death.
Understanding
the
risk
factors
is
relevant
both
in
setting
at
epidemiological
level.
Here,
we
provide
an
overview
host,
viral
environmental
that
have
been
shown
or
(in
some
cases)
hypothesized
be
associated
with
outcomes.
considered
detail
include
age
frailty,
genetic
polymorphisms,
biological
sex
(and
pregnancy),
co-
superinfections,
non-communicable
comorbidities,
immunological
history,
microbiota,
lifestyle
patient;
variation
infecting
dose;
socioeconomic
factors;
air
pollution.
For
each
category,
compile
(sometimes
conflicting)
evidence
for
association
factor
outcomes
(including
strength
effect)
outline
possible
action
mechanisms.
We
also
discuss
complex
interactions
between
various
factors.
Clinical Science,
Journal Year:
2021,
Volume and Issue:
135(15), P. 1805 - 1824
Published: Aug. 1, 2021
Abstract
In
times
of
coronavirus
disease
2019
(COVID-19),
the
impact
severe
acute
respiratory
syndrome
(SARS)-coronavirus
(CoV)-2
infection
on
pregnancy
is
still
unclear.
The
presence
angiotensin-converting
enzyme
(ACE)
2
(ACE2),
main
receptor
for
SARS-CoV-2,
in
human
placentas
indicates
that
this
organ
can
be
vulnerable
viral
during
pregnancy.
However,
to
happen,
additional
molecular
processes
are
critical
allow
entry
cells,
its
replication
and
manifestation,
particularly
placenta
and/or
feto–maternal
circulation.
Beyond
risk
vertical
transmission,
COVID-19
also
proposed
deplete
ACE2
protein
biological
actions
placenta.
It
postulated
such
effects
may
impair
essential
placentation
maternal
hemodynamic
adaptations
pregnancy,
features
observed
several
disorders
This
review
gathers
information
indicating
risks
protective
related
changes
pregnancies.
First,
we
describe
mechanisms
SARS-CoV-2
having
as
a
door
current
evidence
Further,
discuss
central
role
physiological
systems
renin–angiotensin
system
(RAS)
kallikrein–kinin
(KKS),
both
active
Significant
knowledge
gaps
identified
should
urgently
filled
better
understand
fate
pregnancies
potential
associated
risks.
Emerging
will
able
improve
early
stratification
high-risk
with
exposure
well
guide
management
follow-up
these
mothers
their
children.
Journal of Hypertension,
Journal Year:
2022,
Volume and Issue:
40(9), P. 1629 - 1638
Published: July 22, 2022
Objective:
Severe
acute
respiratory
syndrome
coronavirus
2
(SARS-CoV-2)
is
the
cause
of
disease
2019
(COVID-19)
that
has
rapidly
spread
worldwide,
causing
hundreds
thousand
deaths.
Normal
placentation
characterized
by
many
processes
strictly
regulated
during
pregnancy.
If
impaired,
it
can
lead
to
gestational
disorders,
such
as
preeclampsia
a
multisystem
disorder
occurs
in
2–8%
pregnancies
worldwide.
Methods:
We
performed
systematic
search
understand
potential
involvement
SARS-CoV-2
onset
using
databases,
PubMed
and
Web
Science
until
31
January
2022.
Results:
infection
not
only
causes
damage
system
but
also
infect
human
placenta
cells
impairing
pivotal
necessary
for
normal
development.
The
inflammatory
response
trigged
COVID-19
very
similar
one
found
suggesting
possible
link
between
Conclusion:
Some
studies
showed
affected
had
higher
incidence
compared
with
SARS-CoV-2-negative
ones.
However,
increased
blood
pressure
does
allow
associate
hypertension
common
factor
both
conditions.
At
present,
no
diagnostic
tools
are
available
discriminate
real
from
preeclampsia-like
patients
infection.
Thus,
new
specific
assure
an
appropriate
diagnosis
these
patients,
especially
case
severe
disease.
Cell Reports Medicine,
Journal Year:
2021,
Volume and Issue:
2(12), P. 100456 - 100456
Published: Nov. 4, 2021
The
ongoing
SARS-CoV-2
pandemic
continues
to
lead
high
morbidity
and
mortality.
During
pregnancy,
severe
maternal
neonatal
outcomes
placental
pathological
changes
have
been
described.
We
evaluate
infection
at
the
maternal-fetal
interface
using
precision-cut
slices
(PCSs)
of
human
placenta.
Remarkably,
exposure
placenta
PCSs
leads
a
full
replication
cycle
with
infectious
virus
release.
Moreover,
susceptibility
tissue
relates
expression
levels
ACE2.
Viral
proteins
and/or
viral
RNA
are
detected
in
syncytiotrophoblasts,
cytotrophoblasts,
villous
stroma,
possibly
Hofbauer
cells.
While
does
not
cause
detectable
cytotoxicity
or
pro-inflammatory
cytokine
response,
an
upregulation
one
order
magnitude
interferon
type
III
transcripts
is
measured.
In
conclusion,
our
data
demonstrate
capacity
infect
propagate
constitute
basis
for
further
investigation
biology
interface.
Cell Reports,
Journal Year:
2022,
Volume and Issue:
39(11), P. 110938 - 110938
Published: May 25, 2022
While
severe
coronavirus
2019
(COVID-19)
is
associated
with
immune
activation
at
the
maternal-fetal
interface,
responses
to
asymptomatic/mild
acute
respiratory
syndrome
2
(SARS-CoV-2)
infection
during
pregnancy
remain
unknown.
Here,
we
assess
immunological
adaptations
in
blood
and
term
decidua
response
disease
pregnant
women.
We
report
attenuated
antigen
presentation
type
I
interferon
(IFN)
signaling
pathways,
loss
of
tissue-resident
decidual
macrophages,
upregulated
cytokine/chemokine
monocyte-derived
macrophages.
Furthermore,
describe
increased
frequencies
activated
T
cells
decreased
abundance
regulatory
while
cytotoxic
CD4/CD8
are
blood.
In
contrast
IFN
higher
cells.
Finally,
leads
a
narrowing
cell
receptor
diversity
both
decidua.
Collectively,
these
observations
indicate
that
COVID-19
results
remodeling
landscape
potential
for
long-term
adverse
outcomes
offspring.