Nanotherapeutic kidney cell-specific targeting to ameliorate acute kidney injury
Kidney International,
Journal Year:
2024,
Volume and Issue:
106(4), P. 597 - 610
Published: July 26, 2024
Acute
kidney
injury
(AKI)
increases
the
risk
of
in-hospital
death,
adds
to
expense
care,
and
early
chronic
disease.
AKI
often
follows
an
acute
event
such
that
timely
treatment
could
ameliorate
potentially
reduce
additional
Despite
therapeutic
success
dexamethasone
in
animal
models,
clinical
trials
have
not
demonstrated
broad
success.
To
improve
safety
efficacy
for
AKI,
we
developed
characterized
a
novel,
kidney-specific
nanoparticle
enabling
specific
within-kidney
targeting
proximal
tubular
epithelial
cells
provided
by
megalin
ligand
cilastatin.
Cilastatin
were
complexed
H-Dot
nanoparticles,
which
constructed
from
generally
recognized
as
safe
components.
Cilastatin/Dexamethasone/H-Dot
nanotherapeutics
found
be
stable
at
plasma
pH
salutary
release
kinetics
urine
pH.
In
vivo,
they
specifically
biodistributed
bladder,
with
75%
recovery
reduced
systemic
toxicity
compared
native
dexamethasone.
complexation
conferred
cell
specificity
within
vivo
enabled
delivery
nucleus
vitro.
The
nanotherapeutic
improved
function
cellular
when
administered
male
C57BL/6
mice
two
translational
models
(rhabdomyolysis
bilateral
ischemia
reperfusion).
Thus,
our
design-based
loading
resulted
preservation
dexamethasone,
combined
off-target
disposition
toxic
effects.
Hence,
study
illustrates
potential
strategy
target
other
diseases
kidney.
Language: Английский
Parental recovered acute kidney injury causes prenatal renal dysfunction and fetal growth restriction with sexually dimorphic implications for adult offspring
Frontiers in Physiology,
Journal Year:
2024,
Volume and Issue:
15
Published: April 12, 2024
Introduction:
Acute
kidney
injury
(AKI)
is
rapidly
increasing
in
global
incidence
and
a
healthcare
burden.
Prior
maternal
AKI
diagnosis
correlates
with
later
pregnancy
complications.
As
influences
developmental
programming,
we
hypothesized
that
recovered
parental
results
poor
outcomes,
impaired
fetal
growth,
adult
offspring
disease.
Methods:
Using
well-characterized
model
of
rhabdomyolysis-induced
acute
(RIAKI),
form
commonly
observed
young
people,
confirmed
functional
renal
recovery
by
assessing
glomerular
filtration
rate
(GFR)
2
weeks
following
RIAKI.
We
bred
sham
RIAKI
sires
dams
timed,
matched
matings
for
gestational
day
(GD)
16.5
(birth–12
weeks,
6
months)
study.
Results:
Despite
normal
GFR
pre-pregnancy,
at
GD16.5
had
function,
resulting
reduced
fetoplacental
ratios
survival.
Pregnant
also
albuminuria
less
megalin
the
proximal
tubule
brush
border
than
shams,
subcapsular
fibrosis
higher
diastolic
blood
pressure.
Growth-restricted
as
older
adults,
evidence
metabolic
inefficiency
male
offspring;
this
correlated
AngII
levels
female
from
pairings.
However,
pressures
6-month-old
were
unaffected
Conclusions:
Our
mouse
demonstrated
causal
relationship
among
RIAKI,
risk,
programming
adult-onset
dysregulation
despite
recovery.
Language: Английский