Animals,
Journal Year:
2024,
Volume and Issue:
14(23), P. 3516 - 3516
Published: Dec. 5, 2024
Epidemic
encephalitis
B
caused
by
Japanese
virus
(JEV)
is
a
common
zoonotic
disease
that
poses
threats
to
both
pigs
and
humans.
The
cellular
defense
mechanism
closely
tied
the
body's
resistance
viral
invasion.
Regulated
cell
death,
such
as
ferroptosis,
strategy
employed
host
cells
defend
against
invasions.
To
understand
effect
of
ferroptosis
on
proliferation
JEV,
experimentally
infected
PK15
were
treated
with
agonist
or
antagonist.
results
indicated
can
suppress
JEV
proliferation,
whereas
antagonist
promotes
proliferation.
Functional
enrichment
analysis
showed
Erastin
SP600125
could
affect
through
TNF,
IL-17,
Toll-like
receptor,
PI3K-AKT,
chemokine
signaling
pathways,
well
ECM-receptor
interactions.
Combined
transcriptome
proteome
analyses
revealed
31
important
genes,
which
are
significantly
associated
inflammatory
response.
Our
provide
better
understanding
molecular
mechanisms
affects
JEV.
Research Square (Research Square),
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 16, 2025
AbstractBackground
The
severe
cardiotoxicity
of
doxorubicin
(Dox)
significantly
restricts
its
clinical
application.
Deubiquitinating
enzymes
(DUBs)
play
pivotal
roles
in
cardiac
pathophysiology
because
their
precise
regulation
protein
function,
localization
and
degradation.Objectives
objective
this
study
was
to
investigate
the
role
molecular
mechanism
ubiquitin-specific
peptidase
20
(USP20),
a
DUB,
doxorubicin-induced
cardiotoxicity.Methods
Cardiomyocyte-specific
USP20-knockout
(USP20-CKO)
mice
were
utilized
assess
USP20
cardiomyopathy
(DIC).
Coimmunoprecipitation
(co-IP)
combined
with
liquid
chromatography‒mass
spectrometry/mass
spectrometry
(LC‒MS/MS)
analysis
employed
screen
substrate
USP20.
Furthermore,
mutant
plasmids
constructed
elucidate
underlying
human
antigen
R
(HuR)
by
Finally,
an
AAV9
vector
used
overexpress
hearts
cardiac-specific
HuR-knockout
interaction
between
HuR.Results
results
revealed
decrease
expression
Dox-stimulated
mouse
cardiomyocytes.
knockout
resulted
increased
cardiomyocyte
ferroptosis
led
DIC.
Mechanistically,
directly
interacted
HuR
through
protease
structural
domain.
Deubiquitination
at
position
154
crucial
for
maintaining
stability
cleaving
K48
ubiquitin
chains
inhibiting
proteasomal
degradation.
Additionally,
bound
GPX4
mRNA
suppress
degradation,
thereby
mitigating
contributing
alleviating
targeted
overexpression
via
cardiomyocytes
alleviated
However,
cardiomyocyte-specific
knockout,
no
longer
had
anti-DIC
effect,
indicating
that
HuR,
as
downstream
target
USP20,
plays
irreplaceable
DIC.Conclusions
Our
findings
indicate
enhances
deubiquitination,
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 20, 2025
Abstract
Background
Myocardial
infarction
(MI)
remains
a
leading
cause
of
mortality
worldwide.
Recent
studies
suggest
cardioprotective
role
for
vascular
endothelial
growth
factor-B
(VEGF-B)
in
MI.
However,
the
molecular
mechanisms
VEGF-B-mediated
signaling
via
its
co-receptor
Neuropilin-1
(NRP1)
MI
are
poorly
understood.
In
this
study,
we
investigated
intricate
involving
VEGF-B
and
NRP1
cardiomyocytes
(CMs)
using
ischemic
injury
as
model
And
secondly,
further
validated
protective
VEFG-B
heart
disease,
shedding
light
on
their
roles
not
only
cardiac
function
but
also
therapeutic
potential.
Methods
utilized
both
vitro
vivo
approaches
to
elucidate
how
it
manifests
mitochondrial
functions
regeneration
following
injury.
We
used
two
different
cardiomyocyte
cell
lines,
H9c2
(rat
ventricular
cardiomyocytes)
HL-1
(mouse
cardiomyocytes),
induced
hypoxia
conditions,
either
1%
oxygen
or
200µM
cobalt
chloride
(CoCl
2
)
mimic
myocardial
infarction-induced
heart.
addition,
developed
novel
heat
shock
inducible
zebrafish
cardiomyocyte-specific
overexpression
system
examine
.
Results
Our
findings
indicate
that
predominantly
expressed
tissue
compared
other
tissues,
expression
is
altered
response
hypoxia/ischemic
results
demonstrate
treatment
prior
enhances
survival,
while
knockdown
abolishes
effect,
highlighting
prominent
cardio
protection.
Furthermore,
found
promotes
survival
by
improving
function,
evidenced
reduced
oxidative
stress
ROS
accumulation,
decreased
stress,
preserved
membrane
potential,
increased
ATP
levels.
Lastly,
our
transgenic
model,
demonstrated
protects
from
an
NRP1-dependent
manner.
Conclusion
study
has
uncovered
important
VEGF-B-NRP1
axis
mediated
beneficial
CMs.
Importantly,
against
Novelty
Significance
What
Is
Known?
dysfunction,
death,
adverse
remodeling.
Vascular
Endothelial
Growth
Factor
B
traditionally
associated
with
metabolism,
biology,
particularly
angiogenesis
lipid
metabolism.
The
neurophilin-1
receptor,
VEGF-B,
implicated
pathways.
Emerging
evidence
suggests
may
influence
integrity
under
conditions.
New
Information
Does
This
Article
Contribute?
exerts
effect
mitocondria
preserving
reducing
stress.
receptor
key
mediator
modulates
homeostasis
cardiomyocytes.
can
attenuate
apoptosis
enhance
bioenergetics
post-MI,
suggesting
mechanism.
Clinical
Implication:
These
strategies
aimed
at
enhancing
VEGF-B/NRP1
improve
recovery
after
MI,
offering
avenue
limiting
failure
progression
disease.
Frontiers in Endocrinology,
Journal Year:
2025,
Volume and Issue:
16
Published: April 25, 2025
Diabetic
cardiomyopathy
(DCM)
is
a
common
and
fatal
cardiac
complication
caused
by
diabetes,
with
its
pathogenesis
involving
various
forms
of
cell
death
mitochondrial
dysfunction,
particularly
ferroptosis
injury.
Recent
studies
have
indicated
that
damage
play
crucial
roles
in
the
onset
progression
DCM,
though
their
precise
regulatory
mechanisms
remain
unclear.
Of
particular
interest
interaction
between
damage,
as
well
synergistic
effects,
which
are
not
fully
understood.
This
review
summarizes
injury
DCM
explores
molecular
involved,
an
emphasis
on
interplay
these
two
processes.
Additionally,
article
offers
overview
targeted
drugs
shown
to
be
effective
cellular
experiments,
animal
models,
clinical
trials,
analyzing
action
potential
side
effects.
The
goal
provide
insights
for
future
drug
development
applications.
Moreover,
challenges
prospects
multi-target
combination
therapies
personalized
medicine
interventions
practice
offer
strategic
guidance
comprehensive
prevention
management
DCM.
Clinical and Experimental Medicine,
Journal Year:
2024,
Volume and Issue:
24(1)
Published: July 3, 2024
Despite
being
characterized
by
high
malignancy,
morbidity,
and
low
survival
rates,
the
underlying
mechanism
of
hepatocellular
carcinoma
(HCC)
has
not
been
fully
elucidated.
Ferroptosis,
a
non-apoptotic
form
regulated
cell
death,
possesses
distinct
morphological,
biochemical,
genetic
characteristics
compared
to
other
types
death.
Dysregulated
actions
within
molecular
network
that
regulates
ferroptosis
have
identified
as
significant
contributors
progression
HCC.
Long
non-coding
RNAs
(lncRNAs)
emerged
influential
diverse
cellular
processes,
regulating
gene
function
expression
through
multiple
mechanistic
pathways.
An
increasing
body
evidence
indicates
deregulated
lncRNAs
are
implicated
in
malignant
events
such
proliferation,
growth,
invasion,
metabolism
influencing
Therefore,
elucidating
inherent
role
modulatory
functions
on
HCC
might
promote
development
novel
therapeutic
interventions
for
this
disease.
This
review
provides
succinct
overview
roles
ferroptosis-related
treatment,
aiming
drive
promising
targets
biomarkers
patients.
Boletín de la Sociedad Peruana de Medicina Interna/Revista de la Sociedad Peruana de Medicina Interna,
Journal Year:
2024,
Volume and Issue:
37(1), P. 15 - 20
Published: April 5, 2024
En
el
presente
año,
la
Organización
Mundial
de
Salud
(OMS)
ha
establecido
una
nueva
guía
indicando
un
reajuste
los
puntos
corte
para
diagnóstico
anemia
en
infantes
6
a
23
meses,
así
como,
cambio
del
factor
corrección
hemoglobina
(Hb)
por
altura
residencia,
cual
genera
panorama
distinto
sobre
las
cifras
reportadas
encuestas
previas
aplicadas
nivel
nacional.
Lima
Metropolitana,
reanálisis
bases
datos
SIEN
(CENAN/INS)
2012
al
2017
muestra
que
prevalencia
se
reduce
45.4%
25.5%
con
nuevas
guías
OMS.
Por
otra
parte,
existe
vacío
conocimiento
efectividad
y
repercusiones
han
generado
diversas
estrategias
aplican
territorio
peruano,
además
algunos
países
vecinos
tienen
gran
proporción
residentes
altura.
Debido
lo
antes
mencionado,
manuscrito
tiene
como
objetivo
evidenciar
cambios
presentado
largo
años
prevalencias
infantil,
mediante
línea
tiempo
analizar
nacionales
e
internacionales.
IEEE Journal of Biomedical and Health Informatics,
Journal Year:
2024,
Volume and Issue:
29(3), P. 2034 - 2047
Published: Dec. 18, 2024
Three-dimensional
blood
vessel
segmentation
is
an
important
and
challenging
task
that
faces
two
main
difficulties:
(1)
structures
are
small,
making
them
hard
to
capture
by
the
network,
edges
difficult
segment
accurately;
(2)
false
positives
prone
occur
due
presence
of
artifacts
noise.
This
paper
proposes
a
novel
method
called
MambaVesselNet.
based
on
state-space
model
employs
selective
time
series
modeling
strategy
achieve
larger
receptive
field.
To
better
fine
vascular
accurately
edges,
this
introduces
edge
enhancement
module
feature
selection
module.
In
terms
data
preprocessing,
nnUNet's
preprocessing
adopted
ensure
spatial
consistency
input
data.
Evaluation
three
standard
benchmarks
shows
MambaVesselNet
achieves
state-of-the-art
performance.
Specifically,
cardiovascular
liver
datasets,
Dice
coefficient
improved
1.38%
2.69%,
respectively.
The
contributions
include
proposal
new
for
enhancing
features,
development
with
long
sequence
capability,
adoption
strategy,
setting
benchmark
technology.