Life Science Alliance,
Journal Year:
2023,
Volume and Issue:
6(8), P. e202201813 - e202201813
Published: May 19, 2023
Many
viruses
require
proteolytic
activation
of
their
envelope
proteins
for
infectivity,
and
relevant
host
proteases
provide
promising
drug
targets.
The
transmembrane
serine
protease
2
(TMPRSS2)
has
been
identified
as
a
major
activating
influenza
A
virus
(IAV)
various
coronaviruses
(CoV).
Increased
TMPRSS2
expression
associated
with
higher
risk
severe
infection
enhanced
susceptibility
to
SARS-CoV-2.
Here,
we
found
that
Legionella
pneumophila
stimulates
the
increased
TMPRSS2-mRNA
in
Calu-3
human
airway
cells.
We
flagellin
dominant
structural
component
inducing
expression.
flagellin-induced
increase
was
not
observed
at
this
magnitude
other
virus-activating
proteases.
also
significantly
by
LPS,
Pam3Cys,
Streptococcus
pneumoniae
,
although
less
pronounced.
Multicycle
replication
H1N1pdm
H3N2
IAV
but
SARS-CoV-2
SARS-CoV
treatment.
Our
data
suggest
bacteria,
particularly
flagellated
up-regulate
cells
and,
thereby,
may
support
upon
co-infections.
In
addition,
our
indicate
physiological
role
antimicrobial
response.
Human Genomics,
Journal Year:
2022,
Volume and Issue:
16(1)
Published: June 1, 2022
Abstract
COVID-19,
which
is
caused
by
the
SARS-CoV-2,
has
ravaged
world
for
past
2
years.
Here,
we
review
current
state
of
research
into
disease
with
focus
on
its
history,
human
genetics
and
genomics
transition
from
pandemic
to
endemic
phase.
We
are
particularly
concerned
lack
solid
information
initial
phases
that
highlighted
necessity
better
preparation
face
similar
future
threats.
On
other
hand,
gratified
progress
genetic
susceptibility
investigations
believe
now
time
explore
The
latter
will
require
worldwide
vigilance
cooperation,
especially
in
emerging
countries.
In
phase,
vaccination
rates
have
lagged
developed
countries
should
assist,
as
warranted,
bolstering
worldwide.
also
discuss
status
vaccines
outlook
COVID-19.
Genes,
Journal Year:
2022,
Volume and Issue:
13(11), P. 1935 - 1935
Published: Oct. 24, 2022
The
aim
of
the
study
was
to
identify
association
between
four
selected
COVID-19
polymorphisms
ACE2
and
TMPRSS2
receptors
genes
with
presence
long-COVID
symptomatology
in
survivors.
These
were
as
they
associate
entry
SARS-CoV-2
virus
into
cells,
so
could
be
important
for
prognoses
symptoms.
Two
hundred
ninety-three
(n
=
293,
49.5%
female,
mean
age:
55.6
±
12.9
years)
individuals
who
had
been
previously
hospitalized
due
included.
Three
potential
genotypes
following
single
nucleotide
(SNPs)
obtained
from
non-stimulated
saliva
samples
participants:
(rs2285666),
(rs2074192),
(rs12329760),
(rs2070788).
Participants
asked
self-report
any
post-COVID
defined
a
symptom
that
started
no
later
than
one
month
after
acute
infection
whether
persisted
at
time
study.
At
(mean:
17.8,
SD:
5.2
months
hospital
discharge),
87.7%
patients
reported
least
symptom.
Fatigue
(62.8%),
pain
(39.9%)
or
memory
loss
(32.1%)
most
prevalent
Overall,
differences
symptoms
dependent
on
rs2285666,
rs2074192,
rs12329760,
rs2070788
genotypes.
SNPs
assessed,
albeit
associated
severity,
do
not
predispose
developing
people
during
first
wave
pandemic.
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(10), P. 8711 - 8711
Published: May 13, 2023
The
novel
severe
acute
respiratory
syndrome
coronavirus
2
(SARS-CoV-2)
has
evolved
into
a
global
pandemic,
with
an
alarming
infectivity
and
mortality
rate.
Studies
have
examined
genetic
effects
on
SARS-CoV-2
disease
susceptibility
severity
within
Eurasian
populations.
These
studies
identified
contrasting
the
of
between
African
Genetic
factors
can
explain
some
diversity
observed
severity.
Single
nucleotide
polymorphisms
(SNPs)
receptor
genes
demonstrated
detrimental
protective
across
ethnic
groups.
For
example,
TT
genotype
rs2285666
(Angiotensin-converting
enzyme
(ACE2))
is
associated
disease,
which
found
at
higher
frequency
Asian
individuals
compared
to
European
individuals.
In
this
study,
we
four
receptors,
ACE2,
Transmembrane
serine
protease
(TMPRSS2),
Neuropilin-1
(NRP1),
Basigin
(CD147).
A
total
42
SNPs
located
receptors
were
reviewed:
Biomolecules,
Journal Year:
2025,
Volume and Issue:
15(1), P. 75 - 75
Published: Jan. 7, 2025
TMPRSS2,
a
human
transmembrane
protease
enzyme,
plays
crucial
role
in
the
spread
of
certain
viruses,
including
influenza
and
coronaviruses.
This
enzyme
promotes
viral
infection
by
cleaving
glycoproteins,
which
helps
viruses
like
SARS-CoV-2
A
enter
cells
more
effectively.
Genetic
differences
TMPRSS2
may
affect
people’s
susceptibility
to
COVID-19,
underscoring
need
for
studies
that
consider
diverse
populations.
Beyond
infectious
diseases,
has
also
been
linked
some
cancers,
suggesting
it
could
be
valuable
target
drug
development.
review
provides
summary
inhibitors
currently
under
study,
with
already
clinical
trials
test
their
effectiveness
against
infections.
As
we
uncover
about
TMPRSS2’s
pathogenesis,
open
new
doors
therapies
combat
future
outbreaks.
South of Russia ecology development,
Journal Year:
2025,
Volume and Issue:
19(4), P. 28 - 40
Published: Jan. 21, 2025
Aim.
To
analyze
existing
data
on
the
impact
of
mutations
in
human
genome
pathogenesis
respiratory
viral
infections
and
to
discuss
their
relevance
clinical
practice.
The
primary
objectives
include
describing
mechanisms
genetic
mutations,
reviewing
examples
genes
that
affect
susceptibility
disease
severity
evaluating
prospects
for
testing
personalized
medicine.Research
factors
influencing
demonstrates
significant
progression
outcomes.
For
instance,
IFITM3
gene,
which
plays
a
crucial
role
limiting
influenza
virus
replication,
along
with
its
rs12252‐C
polymorphism,
is
linked
severe
cases
influenza.
Similarly,
TLR7
gene
are
associated
manifestations
COVID‐19,
particularly
males.
These
findings
underscore
importance
identify
individuals
at
heightened
risk
emphasize
potential
medicine
enhance
patient
Additionally,
it
essential
consider
interplay
between
environmental
as
well
social
determinants
health.This
review
examines
influence
progression.
It
can
significantly
course
these
infections.
integrating
into
practice
efficiency
diagnosis,
prognosis
treatment
emphasized.
Biomedical Engineering and Computational Biology,
Journal Year:
2025,
Volume and Issue:
16
Published: April 1, 2025
Background:
The
performance
and
genetic
role
in
host
response
delineate
investigative
points
of
polymorphisms
as
potential
biomarkers
viral
infections.
Methods:
Thus,
this
research
aimed
to
map
risk
factors
the
severity
COVID-19
individuals
Western
Amazon
(n
=
243).
Results:
Patients
aged
40
59
years
showed
an
association
with
clinical
progression
(
P
.003),
also
evidencing
relationship
for
>60
<
.001),
besides
non-vaccination
influenced
pathology
.023).
qPCR
human
genotyping
targets
rs2070788,
rs4702,
rs76635825,
rs540856718,
rs35803318,
rs12979860,
rs16899066,
well
gene
expression
ACE2,
HLA-A,
HLA-B,
IFNL-3/2,
IL-6,
TMPRSS2
was
used.
rs12979860
(C
>
T)
rs2070788
(A
G)
among
analyzed
groups
.05)
allelic
genotypic
frequency
x
2
3.84)
evolutionary
pointing
rs2070788G
allele
infected
people,
including
deaths.
Conclusion:
Gene
high
levels
between
moderate
severe
groups,
emphasis
on
IL-6
genes
that
performed
better.
there
is
possibly
regarding
rs2070788G,
age
COVID-19,
parallel
considerable
influence
vaccine
SARS-CoV-2
pathway.
Frontiers in Immunology,
Journal Year:
2023,
Volume and Issue:
13
Published: March 8, 2023
Background
Approximately
13.8%
and
6.1%
of
coronavirus
disease
2019
(COVID-19)
patients
require
hospitalization
sometimes
intensive
care
unit
(ICU)
admission,
respectively.
There
is
no
biomarker
to
predict
which
these
will
develop
an
aggressive
stage
that
we
could
improve
their
quality
life
healthcare
management.
Our
main
goal
include
new
markers
for
the
classification
COVID-19
patients.
Methods
Two
tubes
peripheral
blood
were
collected
from
a
total
66
(n
=
34
mild
n
32
severe)
samples
(mean
age
52
years).
Cytometry
analysis
was
performed
using
15-parameter
panel
included
in
Maxpar
®
Human
Monocyte/Macrophage
Phenotyping
Panel
Kit.
by
time-of-flight
mass
spectrometry
(CyTOF)
combination
with
genetic
TaqMan
probes
ACE2
(rs2285666),
MX1
(rs469390),
TMPRSS2
(rs2070788)
variants.
GemStone™
OMIQ
software
used
cytometry
analysis.
Results
The
frequency
CD163
+
/CD206
-
population
transitional
monocytes
(T-Mo)
decreased
group
compared
severe
one,
while
T-Mo
increased
one.
In
addition,
also
found
differences
CD11b
expression
CD14
dim
group,
levels
female
(p
0.0412).
When
comparing
disease,
CD45
[p
0.014;
odds
ratio
(OR)
0.286,
95%
CI
0.104–0.787]
/CD33
OR
0.104–0.787)
best
options
as
biomarkers
discriminate
between
patient
groups.
CD33
indicated
good
stratification
software.
Among
markers,
G
carriers
have
risk
0.02;
3.37,
1.18–9.60)
those
A/A
genotype.
This
strength
further
when
combined
,
C14
.
Conclusions
Here,
report
interesting
role
CD163/CD206,
aggressiveness.
reinforced
aggressiveness
are
combined.