Bioactive Materials,
Год журнала:
2024,
Номер
42, С. 194 - 206
Опубликована: Сен. 3, 2024
Men
are
particularly
sensitive
to
penis
size,
especially
those
with
a
deformed
or
injured
penis.
This
can
lead
strong
desire
for
enlargement
surgery.
Given
the
ethical
sensitivities
of
penis,
penile
implants
need
be
developed
both
efficacy
and
safety.
In
this
study,
polyvinyl
alcohol
(PVA)
patch
prepared
via
cyclic
freeze‒thaw
cycles
alkaline
treatment.
The
PVA
hydrogels
treated
5
M
NaOH
had
best
mechanical
properties
stability.
A
negative
Poisson's
ratio
structure
is
incorporated
into
design
patch,
which
allows
it
conform
well
deformation
rabbit
models,
enlarged
patches
effectively
enlarge
without
degradation
fibrosis
while
maintaining
long-term
stability
Advanced Healthcare Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 8, 2024
Abstract
Organoids,
with
their
capacity
to
mimic
the
structures
and
functions
of
human
organs,
have
gained
significant
attention
for
simulating
pathophysiology
been
extensively
investigated
in
recent
past.
Additionally,
3D
bioprinting,
as
an
emerging
bio‐additive
manufacturing
technology,
offers
potential
constructing
heterogeneous
cellular
microenvironments,
thereby
promoting
advancements
organoid
research.
In
this
review,
latest
developments
bioprinting
technologies
aimed
at
enhancing
engineering
are
introduced.
The
commonly
used
methods
materials
organoids,
a
particular
emphasis
on
advantages
combining
organoids
summarized.
These
include
achieving
high
cell
concentrations
form
large
aggregates,
precise
deposition
building
blocks
create
complex
functions,
automation
throughput
ensure
reproducibility
standardization
culture.
Furthermore,
review
provides
overview
relevant
studies
from
years
discusses
current
limitations
prospects
future
development.
Pediatric Nephrology,
Год журнала:
2022,
Номер
37(12), С. 2985 - 2996
Опубликована: Март 14, 2022
Abstract
Chronic
kidney
disease
(CKD)
is
a
major
healthcare
burden
that
takes
toll
on
the
quality
of
life
many
patients.
Emerging
evidence
indicates
substantial
proportion
these
patients
carry
genetic
defect
contributes
to
their
disease.
Any
effort
reduce
percentage
with
diagnosis
nephropathy
heading
towards
replacement
therapies
should
therefore
be
encouraged.
Besides
early
screenings
and
registries,
in
vitro
systems
mimic
complexity
pathophysiological
aspects
could
advance
screening
for
targeted
personalized
therapies.
In
this
regard,
use
patient-derived
cell
lines,
as
well
generation
disease-specific
lines
via
gene
editing
stem
technologies,
have
significantly
improved
our
understanding
molecular
mechanisms
underlying
inherited
diseases.
Furthermore,
organs-on-chip
technology
holds
great
potential
it
can
emulate
tissue
organ
functions
are
not
found
other,
more
simple,
models.
The
nature
chips,
together
physiologically
relevant
read-outs,
provide
new
opportunities
patient-specific
assessment,
strategies
treatment.
review,
we
summarize
kidney-on-chip
(KOC)
configurations
present
most
recent
studies
representation
diseases
using
KOC-driven
strategies.
Materials Today Bio,
Год журнала:
2023,
Номер
19, С. 100553 - 100553
Опубликована: Янв. 20, 2023
The
urinary
system,
comprising
the
kidneys,
ureters,
bladder,
and
urethra,
has
a
unique
mechanical
fluid
microenvironment,
which
is
essential
to
system
growth
development.
Microfluidic
models,
based
on
micromachining
tissue
engineering
technology,
can
integrate
pathophysiological
characteristics,
maintain
cell-cell
cell-extracellular
matrix
interactions,
accurately
simulate
vital
characteristics
of
human
microenvironments.
Additionally,
these
models
facilitate
improved
visualization
integration
meet
requirements
laminar
flow
environment
system.
However,
several
challenges
continue
impede
development
microenvironment
with
controllable
conditions
closely
resemble
physiological
conditions.
In
this
review,
we
describe
biochemical
physical
explore
feasibility
microfluidic
technology
in
simulating
Engineering,
Год журнала:
2024,
Номер
42, С. 166 - 174
Опубликована: Май 21, 2024
Investigation
of
patient-derived
primary
tissues
is
great
importance
in
the
biomedical
field,
but
recent
tissue
slicing
and
cultivation
techniques
still
have
difficulties
satisfying
clinical
requirements.
Here,
we
propose
a
controllable
histotomy
strategy
that
utilizes
hierarchical
magnetic
microneedle
array
robots
to
tailor
establish
desired
high-throughput
tissue-on-a-chip.
This
was
performed
using
three-dimensional
printed,
mortise-tenon-structured
device
coupled
with
magnetic-particle-loaded
pagoda-shaped
scaffold.
Due
multilayered
structure
these
microneedles,
specimens
can
be
fixed
onto
scaffold
via
mechanical
interlocking,
thereby
effectively
avoiding
slipping
during
process.
Owing
encapsulation
fragments,
pieces
act
as
magnetically
responsive
biohybrid
microrobots
easily
manipulated
by
fields,
facilitating
their
separation,
transportation,
dynamic
culture.
Using
this
strategy,
demonstrated
pancreatic
cancer
tailored
into
tiny
cultured
microfluidic
chips
for
efficient
drug
screening,
indicating
promising
future
technique's
application
settings.
Organ-chip
technology,
in
contrast
to
cell
culture
and
animal
models,
offers
a
promising
platform
for
accelerating
drug
development.
However,
current
chip
designs
simulate
human
organ
functions
there
is
lack
of
multi-organ
that
can
simultaneously
study
efficacy
hepatorenal
toxicity.
Here,
we
developed
novel
microfluidic
integrated
cholangiocarcinoma
organoids
(CCOs)
with
recellularized
liver
slices
(RLS)
kidney
(RKS),
assess
anti-cholangiocarcinoma
Co-culture
patient-derived
CCOs
RLS
RKS
was
successfully
achieved
7
days
under
flow
conditions
enhanced
renal
functions.
Furthermore,
an
vitro
biomimetic
model
showed
IC50
values
trastuzumab
emtansine
(T-DM1)
around
6.42
±
7.34
μg
mL-1
four
clinical
cases,
one
outlier
77.77
due
patient
variability.
Post-treatment,
viability
remained
high
at
75.67%
81.03%,
respectively,
suggesting
low
toxicity
T-DM1
treating
cholangiocarcinoma.
Our
demonstrates
the
use
organoid-slice-on-a-chip
(OSOC)
personalized
assessment,
particularly
aiming
leveraging
anticancer
drugs
off-label
save
lives.
The
glomerulus
is
a
critical
filtration
unit
in
the
kidney,
yet
its
complex
three-dimensional
architecture
has
long
hindered
comprehensive
understanding
of
function
and
regulation.
Here,
we
present
an
integrated
framework
that
combines
vivo
imaging
based
modeling,
computational
fluid
dynamics
simulations,
vitro
reconstruction
to
elucidate
structural
hemodynamic
complexity
glomerulus.
Our
analyses
reveal
inherent
asymmetry
between
afferent
efferent
arterioles
for
establishing
precise
pressure-flow
relationship
regulating
hemodynamics.
We
further
successfully
fabricated
perfusable,
anatomically
accurate
mouse
within
microphysiological
system,
demonstrating
proof-of-concept
perfusion
analysis
vascularization.
These
findings
establish
transformative
platform
studying
glomerular
diseases
pave
way
therapeutic
interventions.
Organs-on-a-Chip,
Год журнала:
2023,
Номер
5, С. 100030 - 100030
Опубликована: Июнь 1, 2023
Disease
models
that
can
accurately
recapitulate
human
pathophysiology
during
infection
and
clinical
response
to
antiviral
therapeutics
are
still
lacking,
which
represents
a
major
barrier
in
drug
development.
The
emergence
of
Organs-on-a-Chip
integrated
microfluidics
with
three-dimensional
(3D)
cell
culture,
may
become
the
potential
solution
for
this
urgent
need.
Human
aims
by
incorporating
tissue-relevant
types
their
microenvironment,
such
as
dynamic
fluid
flow,
mechanical
cues,
tissue–tissue
interfaces,
immune
cells
increase
predictive
validity
vitro
experimental
models.
has
broad
range
applications
basic
biomedical
research,
preclinical
development,
personalized
medicine.
This
review
focuses
on
its
use
fields
virology
infectious
diseases.
We
reviewed
various
Organs-on-a-Chip-based
viral
application
studying
life
cycle,
pathogenesis,
virus-host
interaction,
responses
virus-
host-targeted
therapies.
conclude
proposing
challenges
future
research
avenues
leveraging
promising
technology
prepare
pandemics.
Cortical
organoids
represent
cutting-edge
models
for
mimic
human
brain
development
during
the
early
and
even
middle
stage
of
pregnancy,
while
they
often
fail
to
recreate
complex
microenvironmental
factors,
such
as
physiological
hypoxia.
Herein,
recapitulate
fetal
development,
we
propose
a
novel
cortical
organoid-on-a-chip
with
hypoxia
further
explore
effects
tanshinone
IIA
(Tan
IIA)
in
neural
differentiation.
The
microfluidic
chip
was
designed
micropillar
array
controlled
efficient
generation
organoids.
With
low
oxygen,
generated
could
key
aspects
early-gestational
development.
Compared
normoxic
culturing
condition,
promoted
neurogenesis,
synaptogenesis
neuronal
maturation
were
observed
present
microsystem,
suggesting
significance
Based
on
this
model,
have
found
that
Chinese
herbal
drug
Tan
promote
differentiation
maturation,
indicating
its
potential
therapeutic
neurodevelopmental
disorders
well
congenital
neuropsychiatric
diseases.
These
results
indicate
proposed
biomimetic
model
can
offer
promising
platform
simulate
prenatal
environment,
screen
natural
neuroactive
components.
Journal of Materials Chemistry B,
Год журнала:
2023,
Номер
11(24), С. 5523 - 5536
Опубликована: Янв. 1, 2023
The
succulent
plant-like
bioceramic
scaffolds
inspired
by
the
macroscopic
structure
of
plants
could
improve
cellular
crosstalk
and
enhance
bone
regeneration.
Journal of Developmental Biology,
Год журнала:
2023,
Номер
11(1), С. 9 - 9
Опубликована: Фев. 20, 2023
Podocytes
are
exquisitely
fashioned
kidney
cells
that
serve
an
essential
role
in
the
process
of
blood
filtration.
Congenital
malformation
or
damage
to
podocytes
has
dire
consequences
and
initiates
a
cascade
pathological
changes
leading
renal
disease
states
known
as
podocytopathies.
In
addition,
animal
models
have
been
integral
discovering
molecular
pathways
direct
development
podocytes.
this
review,
we
explore
how
researchers
used
zebrafish
illuminate
new
insights
about
processes
podocyte
ontogeny,
model
podocytopathies,
create
opportunities
discover
future
therapies.