Drug Delivery,
Journal Year:
2024,
Volume and Issue:
31(1)
Published: Oct. 15, 2024
The
gastrointestinal
tract
(GIT)
is
an
important
and
complex
system
by
which
humans
to
digest
food
absorb
nutrients.
GIT
vulnerable
diseases,
may
led
discomfort
or
even
death
in
humans.
Therapeutics
for
disease
treatment
face
multiple
biological
barriers,
significantly
decrease
the
efficacy
of
therapeutics.
Recognizing
barriers
pathophysiological
characteristics
be
helpful
design
innovative
Nanotherapeutics,
have
special
targeting
controlled
therapeutic
release
profiles,
been
widely
used
diseases.
Herein,
we
provide
a
comprehensive
review
barrier
GIT,
aid
promising
nanotherapeutics
treatment.
Furthermore,
several
typical
diseases
upper
lower
digestive
tracts,
such
as
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 12, 2025
Ulcerative
colitis
(UC)
is
a
chronic
gastrointestinal
inflammatory
disorder
with
rising
prevalence.
Due
to
the
recurrent
and
difficult-to-treat
nature
of
UC
symptoms,
current
pharmacological
treatments
fail
meet
patients'
expectations.
This
study
presents
machine
learning-assisted
high-throughput
screening
strategy
expedite
discovery
efficient
nanozymes
for
treatment.
Therapeutic
requirements,
including
antioxidant
property,
acid
stability,
zeta
potential,
are
quantified
predicted
by
using
learning
model.
Non-quantifiable
attributes,
intestinal
barrier
repair
efficacy
biosafety,
assessed
via
screening.
Feature
significance
analysis,
sure
independence
screening,
sparsifying
operator
symbolic
regression
reveal
high-dimensional
structure-activity
relationships
between
material
features
therapeutic
needs.
SrDy
Biomaterials Research,
Journal Year:
2024,
Volume and Issue:
28
Published: Jan. 1, 2024
The
efficacy
of
ulcerative
colitis
(UC)
therapy
is
closely
connected
to
the
composition
gut
microbiota
in
gastrointestinal
tract.
Prebiotic-based
nanoparticles
(NPs)
provide
a
more
precise
approach
alleviate
UC
via
modulating
dysbiosis.
present
study
develops
an
efficient
prebiotic-based
colon-targeted
drug
delivery
system
(PCDDS)
by
using
prebiotic
pectin
(Pcn)
and
chitosan
(Csn)
polysaccharides
as
shell,
with
anti-inflammatory
sulfasalazine
(SAS)
loaded
into
poly(lactic-co-glycolic
acid)
(PLGA)
core
construct
SAS@PLGA-Csn-Pcn
NPs.
Then,
we
examine
its
characterization,
cellular
uptake,
vivo
therapeutic
efficacy.
results
our
indicate
that
Pcn/Csn
shell
confers
pH-sensitivity
properties.
microbiota-secreted
pectinase
serves
trigger
agent
for
degradation,
resulting
Pcn
oligosaccharides
possess
substantial
property.
Meanwhile,
formed
PCDDSs
exhibit
robust
biodistribution
accumulation
colon
tissue,
rapid
efficacy,
modulation
dysbiosis
mouse
model.
Collectively,
synthetic
demonstrate
promising
synergistic
strategy
therapy.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 6, 2025
Ulcerative
colitis
(UC)
involves
persistent
inflammation
in
the
colon
and
rectum,
with
excessive
reactive
oxygen
species
(ROS)
accumulation.
This
ROS
buildup
damages
colonic
epithelial
cells
disrupts
intestinal
flora,
worsening
disease
progression.
Current
antioxidant
therapies
are
limited
due
to
their
instability
gut
lack
of
targeting,
hindering
precise
intervention
at
lesion
site.
study
prepares
an
L-Arginine-modified
selenium
nanozyme
(Se-CA)
for
targeted
oral
treatment
UC.
Se-CA
specifically
targets
M1-type
macrophages
sites
by
binding
cationic
amino
acid
transporter
protein
2
on
surface
macrophages.
In
vitro
studies
show
that
scavenges
nitrogen
(RNS)
artificial
gastric
fluids,
inhibits
iron
death
cells.
mice
model
ulcerative
colitis,
administration
is
effective
through
its
anti-inflammatory
properties,
inhibition
regulation
flora.
conclusion,
this
work
provides
new
insights
into
Advanced Composites and Hybrid Materials,
Journal Year:
2025,
Volume and Issue:
8(1)
Published: Feb. 1, 2025
Inflammatory
bowel
disease
(IBD)
is
a
chronic
gastrointestinal
inflammatory
condition
that
has
long
plagued
patients.
Herein,
an
innovative
oral
treatment
strategy
for
IBD
proposed,
which
utilizes
calcium
alginate
hydrogel
as
carrier
to
deliver
Co3O4
nanocages
loaded
with
total
glucosides
of
paeony
(TGP)
into
the
body.
This
design
ingeniously
exploits
protective
properties
outer
layer
ensure
enzyme
not
prematurely
degraded
when
passing
through
acidic
gastric
juice.
However,
upon
reaching
inflamed
intestinal
site,
overexpressed
H2O2
there
mixes
specific
solution,
causing
degrade
and
release
Co3O4@TGP.
These
negatively
charged
nanozymes
can
precisely
recognize
accumulate
in
colonic
tissue,
achieving
targeted
therapy
their
unique
charge
characteristics.
More
importantly,
itself
possesses
excellent
catalytic
activity,
effectively
consuming
excess
at
site
inflammation
degrading
10
nm
small
particles
process,
while
simultaneously
releasing
TGP.
Together,
they
exert
dual
effects
scavenging
reactive
oxygen
species
(ROS)
anti-inflammation.
Its
therapeutic
mechanism
involves
fine
regulation
expression
key
proteins
such
TLR7,
MYD88,
GAPDH,
well
effective
inhibition
NF-κB
signaling
pathway.
series
actions
only
reduces
various
pro-inflammatory
cytokines
(such
TNF-α,
IL-18,
IL-1β,
IL-6,
HMGB1)
but
also
promotes
production
anti-inflammatory
cytokine
IL-10,
thereby
maintaining
integrity
barrier.
research
achievement
opens
up
novel
path
colitis.
Journal of Materials Chemistry B,
Journal Year:
2025,
Volume and Issue:
13(10), P. 3245 - 3269
Published: Jan. 1, 2025
This
review
discusses
ROS-responsive
nanoparticles
in
IBD
therapy,
highlighting
challenges,
solutions,
and
the
“layered
programmable
delivery”
strategy
for
enhanced
drug
delivery
localized
treatment.
Advanced Healthcare Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 16, 2025
Abstract
Oxidative
stress
leads
to
intestinal
barrier
damage,
which
induces
immune
responses
occur
and
further
promotes
oxidative
exacerbating
inflammatory
bowel
disease
(IBD).
In
this
work,
the
multifunctional
Zn
x
Ce
y
O
2
/Se
(ZCSO)
nanozyme
wrapped
with
acid‐resistant
calcium
alginate
hydrogel
designed
for
oral
administration
is
prepared.
The
ZCSO
can
promote
activation
of
Nrf2
pathway,
then
significantly
improve
efficiency
scavenging
reactive
oxygen
species
(ROS)
up‐regulate
protein
expression
glutathione
peroxidase
4
(GPx4),
closely
related
inhibition
ferroptosis.
addition,
inhibiting
growth
some
pathogenic
bacteria
proliferating
due
shows
a
positive
regulation
flora
reduces
secretion
pro‐inflammatory
factors
levels
macrophages,
achieving
significant
preventive
delayed
therapeutic
effect
colitis
mice.
Consequently,
distinctive
properties
render
it
promising
candidate
treatment
IBD
by
effectively
ROS,
thereby
interrupting
detrimental
cycle
between
response,
ultimately
promoting
proliferation
epithelial
cells
reestablish
integrity
mucosal
barrier.