Organ-on-a-chip: quo vademus? Applications and regulatory status
Colloids and Surfaces B Biointerfaces,
Journal Year:
2025,
Volume and Issue:
249, P. 114507 - 114507
Published: Jan. 8, 2025
Organ-on-a-chip
systems,
also
referred
to
as
microphysiological
systems
(MPS),
represent
an
advance
in
bioengineering
microsystems
designed
mimic
key
aspects
of
human
organ
physiology
and
function.
Drawing
inspiration
from
the
intricate
hierarchical
architecture
body,
these
innovative
platforms
have
emerged
invaluable
vitro
tools
with
wide-ranging
applications
drug
discovery
development,
well
enhancing
our
understanding
disease
physiology.
The
facility
replicate
tissues
within
physiologically
relevant
three-dimensional
multicellular
environments
empowers
organ-on-a-chip
versatility
throughout
different
stages
development
process.
Moreover,
can
be
tailored
specific
states,
facilitating
investigation
progression,
responses,
potential
therapeutic
interventions.
In
particular,
they
demonstrate,
early-phase
pre-clinical
studies,
safety
toxicity
profiles
compounds.
Furthermore,
play
a
pivotal
role
evaluation
efficacy
modeling
diseases.
One
most
promising
prospects
technology
is
simulate
pathophysiology
subpopulations
even
individual
patients,
thereby
being
used
personalized
medicine.
By
mimicking
physiological
responses
diverse
patient
groups,
hold
promise
revolutionizing
strategies,
guiding
them
towards
intervention
unique
needs
each
patient.
This
review
presents
status
evolution
microfluidic
that
facilitated
transition
cells
organs
recreated
on
chips
some
opportunities
offered
by
technology.
Additionally,
current
future
perspectives
challenges
this
still
faces
are
discussed.
Language: Английский
Precision Psychobiotics for Gut–Brain Axis Health: Advancing the Discovery Pipelines to Deliver Mechanistic Pathways and Proven Health Efficacy
Microbial Biotechnology,
Journal Year:
2025,
Volume and Issue:
18(1)
Published: Jan. 1, 2025
ABSTRACT
Advancing
microbiome–gut–brain
axis
science
requires
systematic,
rational
and
translational
approaches
to
bridge
the
critical
knowledge
gaps
currently
preventing
full
exploitation
of
gut
microbiome
as
a
tractable
therapeutic
target
for
gastrointestinal,
mental
brain
health.
Current
research
is
still
marked
by
many
open
questions
that
undermine
widespread
application
humans.
For
example,
lack
mechanistic
understanding
probiotic
effects
means
it
remains
unclear
why
even
apparently
closely
related
strains
exhibit
different
in
vivo.
live
microbial
psychobiotics,
consensus
on
their
adjunct
treatments
conventional
neuromodulators,
use
unmedicated
populations
or
at‐risk
cohorts
with
sub‐clinical
symptomatology
warranted.
This
missing
information
both
sides
equation
when
treating
central
nervous
system
(CNS)
conditions
makes
psychobiotic
challenging,
especially
compared
other
pharmaceutical
functional
food
approaches.
Expediting
transition
from
positive
preclinical
data
proven
benefits
humans
includes
interpreting
promises
pitfalls
animal
behavioural
assays,
well
navigating
mechanism‐informed
decision
making
select
right
microbe(s)
job.
In
this
review,
we
consider
how
these
decisions
can
be
supported
light
accrued
range
clinical
studies
across
healthy,
pathological
study
populations,
where
specific
have
been
evaluated
context
gastrointestinal
physiology,
function
behaviour.
Examples
successful,
partial
unsuccessful
translation
bench
bedside
are
considered.
We
also
discuss
developments
silico
analyses
enhanced
our
moved
towards
pinpointing
host–microbe
interactions
most
important
optimal
gut–brain
function.
Combining
assays
vitro
ex
vivo
domains
incorporating
model
organisms
prime
discovery
pipelines
promising
rationally
selected
candidates.
Language: Английский
Peyer’s Patch: Possible target for modulating the Gut-Brain-Axis through microbiota
Cellular Immunology,
Journal Year:
2024,
Volume and Issue:
401-402, P. 104844 - 104844
Published: June 18, 2024
Language: Английский
The Future Exploring of Gut Microbiome-Immunity Interactions: From In Vivo/Vitro Models to In Silico Innovations
Sara Bertorello,
No information about this author
Francesco Cei,
No information about this author
Dorian Fink
No information about this author
et al.
Microorganisms,
Journal Year:
2024,
Volume and Issue:
12(9), P. 1828 - 1828
Published: Sept. 4, 2024
Investigating
the
complex
interactions
between
microbiota
and
immunity
is
crucial
for
a
fruitful
understanding
progress
of
human
health
disease.
This
review
assesses
animal
models,
next-generation
in
vitro
silico
approaches
that
are
used
to
decipher
microbiome-immunity
axis,
evaluating
their
strengths
limitations.
While
models
provide
comprehensive
biological
context,
they
also
raise
ethical
practical
concerns.
Conversely,
modern
reduce
involvement
but
require
specific
costs
materials.
When
considering
environmental
impact
these
emerge
as
promising
resource
reduction,
robust
experimental
validation
ongoing
refinement.
Their
potential
significant,
paving
way
more
sustainable
future
research.
Language: Английский
The Future of Biohybrid Regenerative Bioelectronics
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 20, 2024
Abstract
Biohybrid
regenerative
bioelectronics
are
an
emerging
technology
combining
implantable
devices
with
cell
transplantation.
Once
implanted,
biohybrid
integrate
host
tissue.
The
combination
of
transplant
and
device
provides
avenue
to
both
replace
damaged
or
dysfunctional
tissue,
monitor
control
its
function
high
precision.
While
early
challenges
in
the
fusion
biological
technological
components
limited
development
technologies,
progress
field
has
resulted
a
rapidly
increasing
number
applications.
In
this
perspective
great
potential
for
delivery
therapy
is
discussed,
including
recent
research
new
directions.
Then
barriers
discussed
that
will
need
be
addressed
unlock
full
devices.
Language: Английский
In situ monitoring of neurotransmitters using a polymer nanostructured electrochemical sensing microchip
Md Fazlay Rubby,
No information about this author
Catherine Fonder,
No information about this author
Sajid Uchayash
No information about this author
et al.
Microchemical Journal,
Journal Year:
2024,
Volume and Issue:
204, P. 111159 - 111159
Published: July 9, 2024
Language: Английский
Functional Assessment of a Bioprinted Immuno‐Mimetic Peyer's Patch Recapitulating Gut‐Associated Lymphoid Tissue
Advanced Healthcare Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 1, 2024
Gut
immune
models
have
attracted
much
interest
in
better
understanding
the
microbiome
human
gastrointestinal
tract.
The
gut-associated
lymphoid
tissue
(GALT)
has
complex
structures
that
interact
with
microorganisms,
including
intestinal
monolayer
as
a
physiological
barrier
and
Peyer's
patch
(PP)
involved
system.
Although
essential
for
studying
GALT
interactions,
current
research
often
uses
simplified
only
recapitulate
some
components.
In
this
study,
is
recapitulated
to
consider
morphology
function
of
lymphocyte-containing
PP
beneath
analyze
interaction.
Using
bioprinting
technique,
dome-shaped
structure
array
fabricated,
epithelial
cells
are
cocultured
form
monolayer.
developed
model
shows
stable
cell
differentiation
on
hydrogel
while
exhibiting
durability
against
lipopolysaccharides.
It
also
exhibits
increased
responsiveness
Escherichia
coli,
indicated
by
elevated
nitric
oxide
levels.
addition,
underscores
critical
role
maintaining
bacterial
coexistence
facilitating
defense
foreign
antigens
through
secretion
immunoglobulin
A
lymphocyte
spheroids.
proposed
expected
provide
significant
insights
into
gut-immune
system
complexity
microbiome.
Language: Английский
Shenling Guchang prescription ameliorates intestinal barrier inflammation in gestational diabetes rats <i>via</i> TLR4/NF-κB pathway
Manling Li,
No information about this author
Lisha Li,
No information about this author
Xingman Liu
No information about this author
et al.
Drug Discoveries & Therapeutics,
Journal Year:
2024,
Volume and Issue:
18(6), P. 343 - 352
Published: Dec. 11, 2024
Gestational
diabetes
mellitus
(GDM)
is
linked
to
a
greater
risk
of
various
maternal
and
fetal
complications,
including
the
possibility
long-term
metabolic
issues
in
offspring.
Our
initial
research
suggests
that
Traditional
Chinese
Medicine
formula,
Shenling
Guchang
prescription
(SLGP),
may
have
an
impact
on
gut
microbiota.
However,
specific
mechanisms
through
which
it
affects
intestinal
barrier
inflammation
GDM
are
still
not
fully
understood.
This
study
explored
SLGP's
GDM.
Firstly,
network
pharmacology
predicted
key
bioactive
constituents
targeting
toll-like
receptor
4
(TLR4)/nuclear
factor-kappa
B
(NF-κB),
guiding
experimental
design.
Subsequently,
pregnant
female
rats
were
induced
with
intraperitoneal
streptozotocin
injection
then
divided
into
control,
model,
metformin,
SLGP
treatment
groups.
Blood
samples
collected
for
ELISA
analysis
measure
levels
inflammatory
markers,
tissues
examined
histologically
using
hematoxylin-eosin
(HE)
staining,
western
blot
was
conducted
evaluate
TLR4
NF-κB
expression.
Relative
control
rats,
model
group
animals
exhibited
significant
increases
markers
(IL-1β,
IL-6,
TNF-α,
TGF-β,
CRP),
as
well
enhanced
p-NF-κB
p65
expression,
along
histopathological
changes.
Treatment
notably
reduced
protein
expression
colonic
tissue
leading
decrease
damage.
Overall,
found
modulate
TLR4/NF-κB
pathway,
resulting
enhancements
insulin
resistance
reduction
responses
thereby
providing
protection
intestines.
demonstrates
potential
therapeutic
effectiveness
addressing
Language: Английский