Journal of Nanobiotechnology,
Journal Year:
2024,
Volume and Issue:
22(1)
Published: Oct. 10, 2024
Impaired
intestinal
homeostasis
is
a
major
pathological
feature
of
inflammatory
bowel
diseases
(IBD).
Mannose
and
selenium
(Se)
both
demonstrate
potential
anti-inflammatory
anti-oxidative
properties.
However,
most
lectin
receptors
bind
free
monosaccharide
ligands
with
relatively
low
affinity
Se
species
induce
side
effects
beyond
very
narrow
range
dosage.
This
has
contributed
to
poorly
explored
therapies
for
IBD
that
combine
mannose
target
epithelial
cells
(IECs)
normalization
gut
homeostasis.
Herein,
facile
safe
strategy
ulcerative
colitis
(UC)
treatment
was
developed
using
optimized,
mannose-functionalized
nanoparticles
(M-SeNPs)
encapsulated
within
colon-targeted
hydrogel
delivery
system
containing
alginate
(SA)
chitosan
(CS).
biocompatible
nanosystem
efficiently
taken
up
by
IECs
led
increased
expression
Se-dependent
glutathione
peroxidases
(GPXs),
thereby
modulating
IECs'
immune
response.
Using
mouse
model
DSS-induced
colitis,
(CS/SA)-embedding
M-SeNPs
(C/S-MSe)
were
found
mitigate
oxidative
stress
inflammation
through
the
inhibition
NF-kB
pathway
in
colon.
stabilized
mucosal
ameliorated
colitis-related
symptoms,
providing
new
approach
IBD.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(49)
Published: July 28, 2023
Abstract
Abnormal
activation
of
the
gut
mucosal
immune
system
and
a
highly
dysregulated
microbiota
play
essential
roles
in
progression
inflammatory
bowel
disease
(IBD).
The
clinical
treatment
IBD
remains
challenging,
with
first‐line
drugs
showing
limited
efficacy
significant
side
effects.
A
reactive
oxygen
species
(ROS)‐activated
CO
versatile
nanomedicine
(CMPs)
capable
remodeling
immune‐microbiota
microenvironment
via
potent
anti‐oxidant,
anti‐inflammatory,
antimicrobial
effects
is
developed.
CORM‐401‐loaded
mannose‐modified
peptide
dendrimer
nanogel:
CMPs
preferentially
congregate
on
surface
damaged
colon
mucosa
after
rectal
administration
are
subsequently
internalized
by
activated
cells.
CORM‐401
can
release
numerous
molecules
response
to
high
ROS
levels
cells
at
site
IBD,
resulting
multiple
therapeutic
In
vitro
vivo
studies
have
demonstrated
that
scavenge
ROS,
suppress
responses,
eliminate
pathogens,
alleviate
colitis
mouse
models.
RNA
sequencing
reveals
successfully
remodel
homeostasis
scavenging
inhibiting
NF‐κB/p38MAPK,
activating
PI3K‐Akt,
HIF‐1‐induced
glycolysis.
16S
ribosomal
shows
flora
composition
restraining
detrimental
bacteria
augmenting
beneficial
bacteria.
This
study
develops
promising
for
management
IBD.
Cell Death and Disease,
Journal Year:
2024,
Volume and Issue:
15(4)
Published: April 1, 2024
Abstract
Macrophages,
as
pivotal
cells
within
the
tumour
microenvironment,
significantly
influence
impact
of
and
reactions
to
treatments
for
solid
tumours.
The
rapid
evolution
bioengineering
technology
has
revealed
vast
potential
engineered
macrophages
in
immunotherapy,
disease
diagnosis,
tissue
engineering.
Given
this
landscape,
goal
harnessing
innovating
a
novel
strategy
immunotherapy
cannot
be
overstated.
diverse
strategies
realm
cancer
encompassing
macrophage
drug
delivery
systems,
chimeric
antigen
receptor
therapy,
synergistic
treatment
approaches
involving
bacterial
outer
membrane
vesicles
macrophages,
are
meticulously
examined
review.
These
methodologies
designed
enhance
therapeutic
efficacy
against
tumours,
particularly
those
that
drug-resistant
metastatic.
Collectively,
these
immunotherapies
poised
supplement
refine
current
paradigms,
thus
heralding
new
frontier
fight
malignant
International Journal of Molecular Sciences,
Journal Year:
2022,
Volume and Issue:
23(8), P. 4339 - 4339
Published: April 14, 2022
The
use
of
nanoparticles
(NPs)
has
surely
grown
in
recent
years
due
to
their
versatility,
with
a
spectrum
applications
that
range
from
nanomedicine
the
food
industry.
Recent
research
focuses
on
development
NPs
for
oral
administration
route
rather
than
intravenous
one,
placing
interactions
between
and
intestine
at
centre
attention.
This
allows
functionalization
exploit
different
characteristics
digestive
tract,
such
as
pH,
intestinal
mucus
layer,
or
absorption
capacity.
On
other
hand,
these
same
can
represent
problem
complexity,
also
considering
potential
matrix
microbiota.
review
intends
give
comprehensive
look
into
three
main
branches
delivery
through
route:
drug
carriers
systemic
targets,
case
insulin
an
example;
drugs
locally
active
intestine,
treatment
inflammatory
bowel
diseases
colon
cancer;
finally,
concerns
side
effects
accidental
uncontrolled
exposure
employed
additives,
focus
E171
(titanium
dioxide)
E174
(silver
NPs).
Advanced Healthcare Materials,
Journal Year:
2023,
Volume and Issue:
12(19)
Published: March 16, 2023
Abstract
Inflammatory
bowel
disease
(IBD),
a
chronic
and
recurrent
gastrointestinal
inflammatory
disorder
with
variety
of
painful
clinical
manifestations
an
increased
risk
cancerization
or
death,
has
become
emerging
challenge
to
global
healthcare
due
its
rapidly
increasing
incidence.
At
present,
there
is
no
efficient
cure
against
IBD
because
the
elusive
etiology
pathogenesis
IBD.
Therefore,
development
alternative
therapeutic
strategies
positive
efficacy
reduced
side
effects
urgently
needed.
In
recent
years,
great
prosperity
nanomedicine
promoted
by
advanced
nanomaterials
redefining
more
attractive
promising
for
owing
their
advantages
in
physiological
stability,
bioavailability,
targeting
sites.
this
review,
firstly
basic
characteristics
healthy
intestinal
microenvironments
are
presented.
Then,
different
administration
routes
nanotherapeutics
treatment
reviewed.
Subsequently,
specific
focus
placed
on
introduction
nanotherapeutic
treatments
based
pathogenesis.
Finally,
some
future
challenges
perspectives
currently
developed
nanomedicines
provided.
It
believed
that
above
topics
will
attract
researchers
from
various
fields
including
medicine,
biological
sciences,
materials,
chemistry
pharmaceutics.
Nano Letters,
Journal Year:
2023,
Volume and Issue:
23(18), P. 8593 - 8601
Published: Aug. 25, 2023
Despite
the
great
progress
of
current
bacterially
based
biotherapeutics,
their
unsatisfying
efficacy
and
underlying
safety
problems
have
limited
clinical
application.
Herein,
inspired
by
probiotic
Escherichia
coli
strain
Nissle
1917,
probiotic-derived
outer
membrane
vesicles
(OMVs)
are
found
to
serve
as
an
effective
therapeutic
platform
for
treatment
inflammatory
bowel
disease
(IBD).
To
further
enhance
effect,
OMV-encapsulating
manganese
dioxide
nanozymes
constructed,
named
nanoprobiotics,
which
can
adhere
inflamed
colonic
epithelium
eliminate
intestinal
excess
reactive
oxygen
species
in
murine
IBD
model.
Moreover,
combined
with
anti-inflammatory
medicine
metformin,
nanoprobiotics
could
remold
pro-inflammatory
microenvironment,
improve
overall
richness
diversity
gut
microbiota,
exhibit
better
than
commercial
chemotherapeutics.
Importantly,
insignificant
overt
systemic
toxicity
this
was
observed.
By
integrating
cytokine
storm
calm
biotherapy,
we
develop
a
safe
bionanoplatform
inflammation-mediated
diseases.