Pharmaceutical Biology,
Journal Year:
2024,
Volume and Issue:
62(1), P. 818 - 832
Published: Oct. 30, 2024
Ulcerative
colitis
(UC)
is
an
intractable
inflammatory
bowel
disease
that
threatens
the
health
of
patients.
The
limited
availability
therapeutic
strategies
makes
it
imperative
to
explore
more
efficient
and
safer
drugs.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(41)
Published: July 29, 2024
Abstract
The
biosafety
concerns
associated
with
fecal
microbiota
transplant
(FMT)
limit
their
clinical
application
in
treating
ulcerative
colitis
(UC).
Gut
secrete
abundant
extracellular
vesicles
(Gm‐EVs),
which
play
a
critical
role
bacteria‐to‐bacteria
and
bacteria‐to‐host
communications.
Herein,
intestinal
are
trained
using
tea
leaf
lipid/pluronic
F127‐coated
curcumin
nanocrystals
(CN@Lp
127
s),
can
maintain
stability
during
transit
through
the
gastrointestinal
tract.
Compared
FMT,
Gm‐EVs
derived
from
healthy
mice
significantly
improve
treatment
outcomes
against
UC
by
reducing
colonic
inflammatory
responses,
restoring
barrier
function,
rebalancing
microbiota.
Strikingly,
obtained
CN@Lp
‐trained
exhibit
superior
therapeutic
effect
on
compared
to
groups
receiving
FMT
mice,
mice.
Oral
administration
of
not
only
alleviates
inflammation,
promotes
mucosal
repair,
regulates
gut
but
also
purine
metabolism
decrease
uric
acid
level,
resulting
robust
improvement
UC.
This
study
demonstrates
efficacy
nanomedicine‐trained
regulating
immune
microenvironment,
microbiota,
colon.
These
EVs
provide
an
alternative
platform
replace
as
for
Journal of Controlled Release,
Journal Year:
2024,
Volume and Issue:
373, P. 749 - 765
Published: Aug. 2, 2024
Convincing
evidence
suggests
that
aberrant
gut
microbiota
changes
play
a
critical
role
in
the
progression
and
pathogenesis
of
inflammatory
bowel
disease
(IBD).
Probiotic
therapeutic
interventions
targeting
may
provide
alternative
avenues
to
treat
IBD,
but
currently
available
probiotics
often
suffer
from
low
intestinal
colonization
limited
capability.
Here,
we
developed
azido
(N
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(26), P. 33081 - 33092
Published: June 18, 2024
Inflammatory
bowel
disease
(IBD)
is
a
chronic
and
recurrent
inflammatory
that
affects
the
gastrointestinal
tract.
The
major
hurdles
impeding
IBD
treatment
are
low
targeting
efficiency
short
retention
time
of
drugs
in
sites.
Nanoparticles
with
specific
shapes
have
demonstrated
ability
to
improve
mucus
cellular
uptake.
Herein,
mesoporous
silica
nanoparticles
(MSNs)
various
morphologies
were
used
deliver
budesonide
(BUD)
for
IBD.
therapeutic
efficacy
strongly
dependent
on
their
shapes.
system
comprises
different
MSNs
as
carriers
(BUD),
along
Eudragit
S100
enteric
release
shell.
encapsulation
not
only
improved
stability
MSNs-BUD
tract
but
also
conferred
pH-responsive
drug
properties.
Then,
efficiently
BUD
colon
site,
special
shape
plays
critical
role
enhancing
permeability
layer.
Among
them,
dendritic
(MSND)
effectively
reduced
myeloperoxidase
(MPO)
activity
levels
cytokines
due
long
rapid
sites,
thereby
against
colitis.
Given
pH-responsivity
S100,
loaded
voids
MSND
(E@MSNs-BUD)
could
penetrate
mucous
layer
be
accurately
delivered
minor
side
effects.
This
expected
complement
current
strategies
Excessive
reactive
oxygen
species
(ROS)
is
a
hallmark
of
both
the
onset
and
progression
inflammatory
bowel
disease
(IBD),
where
continuous
cycle
ROS
inflammation
drives
diseases.
The
design
oral
antioxidant
nanoenzymes
for
scavenging
has
emerged
as
promising
strategy
to
intervene
in
IBD.
However,
practical
application
these
limited
due
their
single
catalytical
property
significantly
impacted
by
substantial
leakage
upper
gastrointestinal
tract.
This
study
introduces
novel
delivery
system,
SP@CS-SeNPs,
combining
natural
microalgae