American Journal of Translational Research,
Год журнала:
2024,
Номер
16(12), С. 7521 - 7529
Опубликована: Янв. 1, 2024
To
investigate
the
diagnostic
value
of
immunoglobulin
E
(IgE),
fractional
exhaled
nitric
oxide
(FeNO),
and
peripheral
blood
eosinophils
(EOS)
in
adult
bronchial
asthma
to
analyze
their
relationship
with
severity.
A
retrospective
analysis
was
conducted
on
336
patients
diagnosed
admitted
Xi'an
Fourth
Hospital
from
January
2022
2024,
forming
group.
Additionally,
another
127
healthy
subjects
were
selected
as
non-asthmatic
control
The
group
categorized
into
a
mild
(n=138),
moderate
(n=115),
severe
(n=83)
according
severity
disease.
Clinical
data,
lung
function
indices,
IgE,
FeNO,
EOS
levels
compared
across
groups.
ROC
curves
used
assess
for
asthma.
Spearman's
rank
correlation
between
other
indicators
significantly
higher
than
those
non-asthma
group,
while
peak
expiratory
flow
rate
(PEF)
forced
volume
1
s
(FEV1),
lower
(all
P
<
0.05).
areas
under
curve
(AUCs)
diagnosis
0.79,
0.93,
0.88,
respectively.
Significant
differences
observed
smoking
history,
family
history
asthma,
co-existing
allergic
rhinitis,
combined
atopic
eczema
different
groups
showed
that
positively
correlated
0.05),
r
values
0.718,
0.679,
0.540,
are
valuable
diagnosing
adults.
Higher
correspond
increased
severity,
making
these
biomarkers
useful
assessing
ACS Nano,
Год журнала:
2024,
Номер
18(10), С. 7455 - 7472
Опубликована: Фев. 28, 2024
The
epithelial
mucosa
is
a
key
biological
barrier
faced
by
gastrointestinal,
intraoral,
intranasal,
ocular,
and
vaginal
drug
delivery.
Ligand-modified
nanoparticles
demonstrate
excellent
ability
on
this
process,
but
their
efficacy
diminished
the
formation
of
protein
coronas
(PCs)
when
they
interact
with
matrices.
PCs
are
broadly
implicated
in
affecting
fate
NPs
vivo
vitro,
yet
few
studies
have
investigated
formed
during
interactions
mucosa,
especially
mucus.
In
study,
we
constructed
transferrin
modified
(Tf-NPs)
as
model
explored
mechanisms
effects
that
had
subsequent
impact
transcellular
transport
Tf-NPs.
mucus-secreting
cells,
Tf-NPs
adsorbed
more
proteins
from
mucus
layers,
which
masked,
displaced,
dampened
active
targeting
Tf-NPs,
thereby
weakening
endocytosis
efficiencies.
mucus-free
intracellular
trafficking,
enhanced
transcytosis
related
functions.
Inspired
soft
artificial
biomimetic
membranes,
used
mucin
an
"active
PC"
to
precoat
(M@Tf-NPs),
limited
negative
impacts
"passive
PCs"
interface
improved
favorable
routes
endocytosis.
M@Tf-NPs
associated
endoplasmic
reticulum-Golgi
functions,
prompting
exocytosis.
summary,
shielded
against
absorption
also
could
be
employed
spear
break
through
barrier.
These
findings
offer
theoretical
foundation
design
platform
enhance
efficiency
oral-administered
nanomedicines.
Pharmaceutics,
Год журнала:
2025,
Номер
17(4), С. 466 - 466
Опубликована: Апрель 3, 2025
Background/Objectives:
Dry
powder
inhalation
is
an
attractive
research
area
for
development.
Therefore,
this
work
aimed
to
develop
inhalable
co-spray-dried
theophylline
(TN)
microparticles,
utilizing
raffinose-amino
acid
fine
carriers
intended
asthma
therapy.
The
study
addressed
enhancing
TN’s
physicochemical
and
aerodynamic
properties
ensure
efficient
lung
deposition.
Methods:
process
involves
spray-drying
each
formulation’s
solution
using
a
mini
spray
drier.
A
rigorous
assessment
was
conducted
on
particle
size
distribution,
structural
thermal
analysis,
morphology
study,
in
vitro
silico
investigation,
counter
addition
the
solubility,
dissolution,
diffusion
of
TN.
Results:
containing
leucine
glycine
revealed
superior
characteristics
(mass
median
diameter
(MMAD):
4.6–5
µm,
fraction
(FPF):
30.6–35.1%,
amorphous
spherical
structure)
as
candidates
further
development
TN-DPIs,
while
arginine
excluded
due
intensive
aggregation
hygroscopicity,
which
led
poor
performance.
TN
samples
demonstrated
micronized
particles
(D
[0.5]:
3.99–5.96
µm)
with
predominantly
structure
(crystallinity
index:
24.1–45.2%)
significant
solubility
enhancement
(~19-fold).
Formulations
leucine-glycine
highest
FPF
(45.7–47.8%)
deposition
(39.3–40.1%),
rapid
drug
release
(~100%
within
10
min),
improved
(2.29–2.43-fold),
respectively.
Moreover,
confirmed
microparticles
(mean
number
=
2.3–2.02
µm).
Conclusions:
This
innovative
formulation
possesses
enhanced
physicochemical,
morphological,
low-dose
local
treatment
could
be
applied
promising
carrier
dry
inhaler
In
the
domain
of
respiratory
illnesses,
asthma
remains
a
critical
obstacle.
The
heterogeneous
nature
this
chronic
inflammatory
disease
poses
challenges
during
its
treatment.
Glucocorticoid-based
combination
drug
therapy
now
dominates
clinical
treatments
for
asthma;
however,
glucocorticoid
resistance,
numerous
adverse
effects,
incidence
inadequate
delivery,
and
other
factors
need
development
more
effective
therapies.
recent
years,
there
has
been
extensive
research
on
nanotechnology
in
medicine.
It
shown
studies
that
these
delivery
systems
can
greatly
enhance
targeting
bioavailability
decrease
toxicity
medication.
Nanoparticle
offer
improved
therapeutic
efficacy
compared
to
conventional
administration
techniques.
Nanotechnology
enables
advancements
precision
medicine,
offering
benefits
conditions
such
as
asthma.
This
review
will
examine
consider
when
formulating
medications,
well
role
nanomaterials
their
mechanisms
action
pulmonary
medicine
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2025,
Номер
unknown
Опубликована: Март 14, 2025
The
main
structural
components
of
mucus
produced
in
the
lung
are
mucin
5B
(MUC5B)
and
5AC
(MUC5AC)
where
a
relatively
higher
expression
MUC5B
is
typical
health.
In
lungs
individuals
with
asthma,
there
shift
from
to
MUC5AC
as
predominantly
secreted
which
has
been
shown
impair
mucociliary
clearance
(MCC)
increase
plug
formation
airways.
Given
its
role
asthmatic
disease,
represents
potential
therapeutic
target
gene
delivery
approach
could
be
leveraged
modulate
expression.
For
these
purposes,
we
explored
adeno-associated
virus
serotype
6
(AAV6),
lung-tropic
viral
vector
airway
epithelial
cells
reduce
via
siRNA
delivery.
We
confirmed
that
AAV6
was
able
transduce
airways
healthy
mice
high
transgene
mucus-secreting
goblet
cells.
Using
multiple
particle
tracking
analysis,
observed
capable
penetrating
both
normal
MUC5AC-enriched
barriers.
Successful
transduction
also
achieved
IL-13
stimulated
human
(HAE)
differentiated
at
air-liquid
interface
(ALI).
expressing
MUC5AC-targeting
evaluated
prophylactic
treatment
HAE
cell
cultures
before
challenge.
treated
AAV6-MUC5AC
had
significantly
reduced
mRNA
protein
compared
untreated
controls.
Mucociliary
transport
maintained
comparable
controls
following
treatment.
Together,
findings
support
may
used
an
inhaled
therapy
suppress
overexpression
restore
function
asthma.
Frontiers in Bioscience-Landmark,
Год журнала:
2025,
Номер
30(3)
Опубликована: Март 20, 2025
Allergic
disorders
rising
in
prevalence
globally,
affecting
a
substantial
proportion
of
individuals
industrialized
nations.
The
imbalance
the
immune
system,
characterized
by
elevated
allergen-specific
T
helper
2
(Th2)
cells
and
immunoglobulin
E
(IgE)
antibodies,
is
key
factor
allergy
development.
Allergen-specific
immunotherapy
(AIT)
only
treatment
capable
alleviating
allergic
symptoms,
preventing
new
sensitizations,
reducing
asthma
risk
rhinitis
patients.
Traditional
AIT,
however,
faces
challenges
such
as
frequent
administration,
adverse
effects,
inconsistent
patient
outcomes.
Nanoparticle-based
approaches
have
emerged
promising
strategy
to
enhance
AIT.
This
review
explores
utilization
nanoparticles
highlighting
their
ability
interact
with
system
improve
therapeutic
Various
types
nanoparticles,
including
polyesters,
polysaccharide
polymers,
liposomes,
protamine-based
(NPs),
polyanhydrides,
been
employed
adjuvants
or
carriers
AIT’s
efficacy
safety.
Nanoparticles
offer
advantages
allergen
protection,
improved
response
modulation,
targeted
cell
delivery,
reduced
side
effects.
provides
an
overview
current
landscape
nanoparticle-based
immunotherapy,
discussing
its
potential
revolutionize
compared
traditional
immunotherapy.
Pulmonary
fibrosis
(PF)
is
a
progressive
interstitial
lung
disease
characterized
by
excessive
extracellular
matrix
deposition
and
tissue
scarring,
leading
to
impaired
function
respiratory
failure.
Although
current
treatments,
such
as
pirfenidone
nintedanib,
slow
progression,
they
fail
completely
halt
or
reverse
fibrosis.
Therefore,
innovative
therapeutic
strategies
are
needed.
Targeted
drug
delivery
systems
(TDDSs)
emerging
promising
solutions.
Biomaterials
play
critical
roles
in
these
enhancing
specificity,
availability,
efficacy,
while
minimizing
systemic
toxicity.
The
most
notable
biomaterials
include
nanotechnology-based
systems,
including
liposomes
polymeric
nanoparticles,
which
facilitate
penetration
release
fibrotic
tissues.
Hydrogels
have
three-dimensional
structures
providing
controlled
sustained
at
inflammation
sites,
therefore
particularly
valuable
PF
treatment.
Furthermore,
biological
carriers
stem
cells
vesicles
biocompatibility
anti-inflammatory
effects
that
improve
outcomes.
Despite
the
potential
of
clinical
translation
hindered
several
challenges,
immune
clearance,
stability
platforms,
optimization
retention
within
diseased
Interdisciplinary
approaches
integrating
precision
medicine
with
advancements
may
provide
solutions
opening
new
avenues
for
This
review
discusses
developments
targeted
PF,
emphasizing
importance
biomaterials,
mechanisms
barriers
involved
pulmonary
delivery,
future
perspectives
overcoming
limitations.
ultimate
goal
patient
outcomes
revolutionizing
approach
treatment
through
advanced
technologies.
Vaccines,
Год журнала:
2025,
Номер
13(5), С. 469 - 469
Опубликована: Апрель 27, 2025
Background:
The
high
incidence
and
mortality
rates
of
cancer
have
kept
it
at
the
top
research
agenda
for
global
healthcare
industry,
as
well
put
serious
economic
pressure
on
families
society.
It
has
gradually
been
recognised
that
reducing
through
various
interventions
combining
prevention
treatment
are
key
to
alleviating
burden
cancer.
Methods:
Retrieve
summarize
literature
related
delivery
methods
tumor
vaccines,
investigate
whether
these
applied
clinically
or
used
in
clinical
trials.
Results:
there
a
variety
vaccine
development,
but
only
very
small
number
studies
able
make
strides
towards
implementing
clinic,
which
is
closely
linked
drawbacks
with
means
delivery.
Conclusions:
This
review
analyses
reasons
why
difficult
apply
clinic
from
point
view
method
rather
than
design
vaccine.
also
describes
some
not
yet
vaccines
and,
considering
this
conjunction
those
currently
purpose,
predicts
their
prospects
future
application.
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Ноя. 27, 2024
Abstract
Targeted
(nano-)drug
delivery
is
essential
for
treating
respiratory
diseases,
which
are
often
confined
to
distinct
lung
regions.
However,
spatio-temporal
profiling
of
drugs
or
nanoparticles
(NPs)
and
their
interactions
with
macrophages
remains
unresolved.
Here,
we
present
LungVis
1.0,
an
AI-powered
imaging
ecosystem
that
integrates
light
sheet
fluorescence
microscopy
deep
learning-based
image
analysis
pipelines
map
NP
deposition
dosage
holistically
quantitatively
across
bronchial
alveolar
(acinar)
regions
in
murine
lungs
widely-used
bulk-liquid
aerosol-based
methods.
We
demonstrate
results
patchy
distribution
elevated
doses,
whereas
aerosols
achieve
uniform
reaching
distal
alveoli.
Furthermore,
reveal
tissue-resident
(TRMs)
dynamic,
actively
patrolling
redistributing
NPs
within
alveoli,
contesting
the
conventional
paradigm
TRMs
as
static
entities.
1.0
provides
advanced
framework
exploring
pulmonary
dynamics
deepening
insights
into
TRM-mediated
immunity.