Male hypogonadism: pathogenesis, diagnosis, and management
The Lancet Diabetes & Endocrinology,
Год журнала:
2024,
Номер
12(10), С. 761 - 774
Опубликована: Авг. 16, 2024
Язык: Английский
Erkek Üreme Sisteminde SARS-CoV-2 RNA’sını Hedefleyen miRNA’ların ve Potansiyel Hedef Genlerinin İn Silico Olarak Belirlenmesi
Sağlık Bilimlerinde Değer,
Год журнала:
2025,
Номер
15(1), С. 59 - 64
Опубликована: Янв. 3, 2025
Amaç:
Dünya
genelinde
milyonlarca
mortalite
ve
morbiditeye
neden
olan
SARS-CoV-2
enfeksiyonu
insanlarda
moleküler
düzeyde
çok
sayıda
farklı
patolojiye
sebep
olmuştur.
Yapılan
çalışmalar
bu
virüsün
erkek
üreme
hücreleri
üzerine
etkili
olabileceğini
göstermiştir.
Bu
çalışmada,
enfeksiyonunun
miRNA’lar
aracılığı
ile
infertiliteye
nasıl
olabileceğinin
in
silico
araştırılması
amaçlandı.
Gereç
Yöntemler:
Sağlıklı
testis
dokusunda
en
yüksek
oranda
ifade
edilen
Tissue
Atlas'tan
elde
edildi.
arasından
COVID-19
RNA’sını
hedeflediği
belirlenen
miRDB
veri
tabanından
listelendi.
Elde
liste
makine
öğrenimi
algoritmasını
kullanan
miRWalk
tabanı
karşılaştırıldı.
Ortak
hedefler
deneysel
olarak
doğrulanmış
miRNA-hedef
etkileşimleri
miRTarBase
sonrasında
TargetScan
eşleştirildi.
Bulgular:
RNA
dizisini
hedefleyen
endojen
seviyelerinin
etkilendiği
tespit
dokusuna
özgü
belirlendi.
Bunlardan
hsa-miR-195-5p,
hsa-miR-16-5p,
hsa-miR-15a-5p,
hsa-miR-15b-5p,
hsa-miR-497-5p
hsa-miR-424-5p’nin
mir-15/16
ailesinin,
hsa-miR-30c-5p,
hsa-miR-30b-5p,
hsa-miR-30a-5p’nin
ise
mir-30
ailesinin
üyeleri
olduğu
ortaya
çıkarıldı.
miRNA’ların
potansiyel
hedef
genlerinin
arasında
hücre
döngüsü
başta
olmak
üzere,
DNA
hasarı,
apoptoz,
spermatogenez
viral
cevapla
ilgili
ABL2,
BCL2,
PLEKHA1,
WNK3,
CCNT2,
DICER1,
CCND1,
CCND2,
CCND3
WEE1
gösterildi.
Sonuç:
çalışma
beraber
ifadesinin
değişebileceğini
göstermektedir,
böylece
erkeklerde
etkisini
açıklamaya
yardımcı
olabilir.
Effect of SARS-CoV-2 infection on sperm telomere length
Journal of Assisted Reproduction and Genetics,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 11, 2025
Язык: Английский
Animal models of post-acute COVID-19 syndrome: a call for longitudinal animal studies
Frontiers in Immunology,
Год журнала:
2025,
Номер
16
Опубликована: Фев. 26, 2025
Animal
models
are
indispensable
for
unraveling
the
mechanisms
underlying
post-acute
sequelae
of
COVID-19
(PASC).
This
review
evaluates
recent
research
on
PASC-related
perturbations
in
animal
models,
drawing
comparisons
with
clinical
findings.
Despite
limited
number
studies
post-COVID
conditions,
particularly
those
extending
beyond
three
months,
these
provide
valuable
insights.
Three
hallmark
features
PASC-lung
fibrosis,
hyperglycemia,
and
neurological
sequelae-have
been
successfully
replicated
paving
way
mechanistic
discoveries
future
medical
interventions.
Although
most
have
reported
conditions
within
14-60
days
post-infection,
they
still
offer
critical
reference
long-term
research.
also
explores
potential
persisting
immune
misfiring,
a
key
factor
chronicity
PASC
symptoms.
Moreover,
challenges
modeling
discussed,
including
genetic
diversity
inbred
strains
difficulties
accurately
identifying
PASC-affected
individuals.
To
address
issues,
we
propose
methodological
improvements,
such
as
comparing
individual
parameters
control
averages
incorporating
genetically
diverse
populations
like
collaborative
cross
models.
These
strategies
will
enhance
identification
characterization
endotypes
studies.
By
integrating
findings
from
manifestations
PASC,
can
more
insights
into
its
support
development
effective
therapeutic
strategies.
Finally,
emphasize
urgent
need
longitudinal
to
fully
uncover
driving
guide
interventions
mitigate
public
health
impact.
Язык: Английский
Seminal plasma proteomics of asymptomatic COVID-19 patients reveals disruption of male reproductive function
BMC Genomics,
Год журнала:
2025,
Номер
26(1)
Опубликована: Март 21, 2025
A
considerable
proportion
of
males
suffer
from
asymptomatic
SARS-CoV-2
infection,
while
the
effect
on
reproductive
function
and
underlying
pathomechanisms
remain
unclear.
The
total
sperm
count
decreased
evidently
after
yet
all
semen
samples
were
tested
to
be
RNA
negative.
Through
label‑free
quantitative
proteomic
profiling,
a
733
proteins
further
identified
in
seminal
plasma
11
COVID-19
patients
seven
uninfected
controls.
Of
37
differentially
expressed
proteins,
23
upregulated
14
downregulated
group
compared
with
control.
Functional
annotations
Gene
Ontology
(GO),
Kyoto
Encyclopedia
Genes
Genomes
(KEGG),
Reactome
showed
that
these
highly
enriched
inflammation,
immunity-related
pathways
as
well
spermatogenesis-associated
biological
process.
Four
significantly
correlated
one
or
more
parameters
Spearman's
coefficient
analysis,
filtered
potential
hub
interaction
network
by
MCODE
Cytohubba
algorithms.
Furthermore,
we
verified
results
Western
blot
analysis
three
representative
(ITLN1,
GSTM2,
PSAP)
validation
cohort.
In
summary,
our
study
acute
could
alter
protein
profile
without
direct
testicular
infection
consequently
lead
impaired
quality.
These
novel
findings
should
enlighten
physicians
about
adverse
effects
male
fertility,
provide
valuable
resources
for
biologists
decipher
molecular
functions.
Язык: Английский
Update on andrological effects of SARS‐CoV‐2 infection and COVID‐19: An overview review
Andrology,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 31, 2024
Evidence
indicates
a
wide
range
of
andrological
alterations
in
patients
with
the
Severe
Acute
Respiratory
Syndrome
CoronaVirus
2
(SARS-CoV-2)
infection
and
Coronavirus
Disease
2019
(COVID-19).
Язык: Английский
COVID‐19 and Oncofertility: No SARS‐CoV‐2 in Semen but Inflammation Seems to Affect Sperm Parameters
Journal of Medical Virology,
Год журнала:
2024,
Номер
96(12)
Опубликована: Дек. 1, 2024
ABSTRACT
The
COVID‐19
pandemic,
driven
by
SARS‐CoV‐2,
led
authorities
to
recommend
halting
assisted
reproductive
technology
programs,
focusing
instead
on
fertility
preservation,
for
cancer
patients.
presence
of
SARS‐CoV‐2
in
semen
remains
controversial.
This
multicentric
prospective
cohort
study,
conducted
across
12
university
medical
centers,
aimed
determine
if
is
present
spermatozoa/seminal
plasma
patients
RT‐PCR
and
assess
its
impact
standard
parameters.
levels
cytokines
TNF‐α
were
measured
seminal
fluid
ELISA.
We
enrolled
129
men
who
underwent
sperm
cryopreservation
between
July
7,
2020,
June
30,
2021.
63
included
tested
nasal
swab
samples
and/or
serology.
All
asymptomatic
the
day
collection:
50
uninfected,
8
had
a
positive
(PCR+)
5
seropositive.
RNA
was
not
detected
or
spermatozoa.
Ejaculate
volume
significantly
lower
PCR+
group
compared
uninfected
(median
[IQR]:
2.6
mL
[1.6–3.4]
vs.
4.6
[2.6–5.2]
p
<
0.05).
Total
progressive
motility
seropositive
(32.5%
[25.0–45.0]
50%
[49.0–55.0]
0.05,
22.5%
[10.0;
32.5]
44.5%
[40–49]
Higher
level
observed
(1.9
pg/mL
[0–3.9])
(0
[0–0.4])
0.05.
Although
PCR+,
infection
appears
parameters,
likely
due
inflammation.
Язык: Английский