Royal Society of Chemistry eBooks,
Journal Year:
2024,
Volume and Issue:
unknown, P. 80 - 112
Published: Dec. 6, 2024
Iron
has
been
heavily
misrepresented
in
its
importance
for
countless
life-sustaining
mechanisms.
In
recent
years,
iron
dyshomeostasis
reported
many
pathologies
including
first
episode
psychosis
and
schizophrenia.
this
chapter
we
will
explore
new
insights
into
dysregulation,
role
schizophrenia,
potential
treatments
to
mitigate
detrimental
effects.
Environmental Toxicology,
Journal Year:
2024,
Volume and Issue:
39(7), P. 4066 - 4085
Published: May 10, 2024
Abstract
Osteoporosis
(OP)
can
result
in
slower
bone
regeneration
than
the
normal
condition
due
to
abnormal
oxidative
stress
and
high
levels
of
reactive
oxygen
species
(ROS),
a
detrimental
for
formation,
making
OP‐related
healing
significant
clinical
challenge.
As
osteogenic
differentiation
ability
marrow
mesenchymal
stem
cells
(BMSCs)
is
closely
related
regeneration;
currently,
this
study
assessed
effects
Picein
on
BMSCs
vitro
osteoporotic
defect
vivo.
Cell
viability
was
determined
by
CCK‐8
assay.
The
production
malonaldehyde,
superoxide
dismutase
activities,
glutathione
evaluated
using
commercially
available
kits,
flow
cytometry
analysis
adopted
detect
macrophage
polarization.
Osteogenic
capacity
alkaline
phosphatase
(ALP)
activity,
ALP
staining,
Alizarin
red
S
staining.
expression
osteogenic‐related
proteins
(OPN,
Runx‐2,
OCN)
genes
(ALP,
BMP‐4,
COL‐1,
Osterix)
were
Western
blotting
real‐time
PCR
(RT‐PCR).
In
addition,
proliferation,
migration
ability,
angiogenic
human
umbilical
vein
endothelial
(HUVECs)
EdU
scratch
test,
transwell
assay,
tube
formation
respectively.
Angiogenic‐related
(VEGF,
vWF,
CD31)
also
RT‐PCR.
Results
showed
that
alleviated
erastin‐induced
stress,
enhanced
BMSCs,
angiogenesis
HUVECs,
protects
against
ferroptosis
through
Nrf2/HO‐1/GPX4
axis.
Moreover,
regulate
immune
microenvironment
promoting
polarization
M2
macrophages
vitro.
reduce
inflammation
promotes
OP
rat
models
Altogether,
these
results
suggested
promote
alleviate
via
pathway,
offering
as
novel
antioxidant
agent
treating
defect.
Acta Biomaterialia,
Journal Year:
2024,
Volume and Issue:
180, P. 82 - 103
Published: April 15, 2024
The
treatment
of
osteoporotic
bone
defect
remains
a
big
clinical
challenge
because
osteoporosis
(OP)
is
associated
with
oxidative
stress
and
high
levels
reactive
oxygen
species
(ROS),
condition
detrimental
for
formation.
Anti-oxidative
nanomaterials
such
as
selenium
nanoparticles
(SeNPs)
have
positive
effect
on
osteogenesis
owing
to
their
pleiotropic
pharmacological
activity
which
can
exert
anti-oxidative
functions
prevent
loss
facilitate
regeneration
in
OP.
In
the
current
study
strategy
one-pot
method
by
introducing
Poly
(lactic
acid-carbonate)
(PDT)
β-Tricalcium
Phosphate
(β-TCP)
SeNPs,
developed
prepare
an
injectable,
anti-collapse,
shape-adaptive
adhesive
graft
substitute
material
(PDT-TCP-SE).
PDT-TCP-SE
exhibits
sufficient
adhesion
biological
microenvironments
osteoinductive
activity,
angiogenic
anti-inflammatory
well
vitro
vivo.
Moreover,
protect
BMSCs
from
erastin-induced
ferroptosis
through
Sirt1/Nrf2/GPX4
antioxidant
pathway,
which,
together,
demonstrated
emerging
biomaterial
potential
application
future
defects.
Injectable,
adhesive,
plastic
bioactive
was
successfully
synthesized.
Incorporation
SeNPs
PDT
into
β-TCP
regenerated
new
in-situ
moderating
defects
area.
reduced
ROS
microenvironment.
could
also
moderate
inhibit
via
pathway
vitro.
alleviate
inflammatory
environment
promote
This
has
advantages
simple
synthesis,
biocompatibility,
regulation
level,
value
tissue
engineering.
Frontiers in Endocrinology,
Journal Year:
2023,
Volume and Issue:
14
Published: Nov. 23, 2023
Introduction
According
to
reports,
obesity
has
a
significant
impact
on
bone
health.
And
the
weight-adjusted-waist
index
(WWI),
superior
BMI
and
waist
circumference
(WC),
is
new
indicator
arising
in
recent
years.
This
research
investigated
relationship
between
WWI
total
mineral
density
(BMD)
for
adults
aged
20
59.
Methods
Using
data
from
2011–2018
NHANES,
we
looked
into
independent
link
BMD
as
well
its
nonlinearity
using
weighted
multiple
linear
regression
smooth
curve
fitting.
Two-stage
models
were
employed
calculate
threshold
effects.
There
additional
subgroup
analyses
testing
interactions.
Results
Multiple
studies
of
10,372
individuals
showed
inverse
59
[β
=
-0.04,
95%
CI:
(-0.04,
-0.03),
P<0.0001].
smoking,
race,
chronic
kidney
disease
(CKD)
had
no
effect
this
negative
connection
(P
interaction
>0.05).
In
addition,
found
nonlinear
diabetic
CKD
patients,
which
saturation
point
was
11.38
cm/√kg
patient
group
10.29
group.
Conclusion
Our
analysis
demonstrated
association
20-59.
BMC Endocrine Disorders,
Journal Year:
2024,
Volume and Issue:
24(1)
Published: June 6, 2024
Abstract
Purpose
Previous
studies
have
suggested
that
obesity
defined
by
body
mass
index(BMI)
is
a
protective
factor
for
bone
mineral
density(BMD),
but
overlooked
the
potential
influence
of
different
types
obesity.
This
study
aims
to
evaluate
correlation
between
abdominal
index
A
Body
Shape
Index(ABSI)
and
adolescent
density,
analyze
relationship
metabolism.
Methods
total
1557
participants
were
included
in
NHANES
from
2007
2018.
Calculate
ABSI
using
specific
formula
takes
into
account
waist
circumference
BMI.
weighted
multiple
linear
regression
model
used
BMD.
Forest
plots
are
correlations
subgroups,
cubic
splines
limited
nonlinear
saturation
effects
Results
After
adjusting
confounding
factors,
there
was
significant
(
P
<
0.01)
femoral
BMD,
both
as
continuous
variable
an
ordered
categorical
variable.
The
restrictive
spline
curve
indicates
effect
Conclusion
Research
has
shown
negative
BMD
at
four
detection
sites
femur,
this
may
vary
slightly
due
age,
race,
family
income,
sites.
research
results
indicate
compared
overall
weight,
fat
distribution
content
be
more
closely
related
Cellular and Molecular Life Sciences,
Journal Year:
2024,
Volume and Issue:
81(1)
Published: July 30, 2024
Sepsis
is
a
life-threatening
organ
dysfunction
caused
by
dysregulated
host
response
to
infection.
The
inflammatory
cytokine
storm
causes
systemic
damage,
especially
acute
lung
injury
in
sepsis.
In
this
study,
we
found
that
the
expression
of
S-phase
kinase-associated
protein
2
(Skp2)
was
significantly
decreased
sepsis-induced
(ALI).
activated
MEK/ERK
pathway
and
inhibited
Skp2
pulmonary
epithelium,
resulting
reduction
K48
ubiquitination
solute
carrier
family
3
member
(SLC3A2),
thereby
impairing
its
membrane
localization
cystine/glutamate
exchange
function.
Consequently,
intracellular
redox
reactions
induced
ferroptosis
epithelial
cells,
leading
injury.
Finally,
demonstrated
intravenous
administration
mRNA-encapsulating
lipid
nanoparticles
(LNPs)
epithelium
alleviated
septic
mice.
Taken
together,
these
data
provide
an
innovative
understanding
underlying
mechanisms
ALI
promising
therapeutic
strategy
for