Aerosol and Air Quality Research,
Journal Year:
2023,
Volume and Issue:
24(2), P. 230195 - 230195
Published: Dec. 12, 2023
Many
epidemiological
studies
focus
on
health
research
in
areas
with
high
concentration
of
PM2.5.
To
fill
the
gap,
our
study
investigated
acute
effects
low
PM2.5
level
(annual
average
below
35
μg
m-³)
asthma
admissions
Xiamen,
China.
Using
a
time-stratified
case-crossover
design,
we
examined
association
between
and
from
January
2019
to
November
2021.
The
results
showed
positive
correlation
cumulative
incidence
asthma,
lag
0-7
days.
Each
10
m-3
increased
was
associated
0.49%
increase
incidence.
Stratified
analysis
revealed
significant
children
aged
0-4
years
(OR
=
2.029,
95%
CI
1.359-3.031)
elderly
population
over
75
1.399,
1.092-1.793).
Distributed
models
demonstrated
hysteresis
effect,
lagged
observed
(lag0-5)
(lag3-lag5).
multi-pollutant
model,
considering
NO2
O3,
consistent
results.
These
findings
highlight
age-specific
susceptibility
exposure
its
impact
admissions,
even
at
lower
levels
pollution.
Further
is
needed
inform
environmental
protection
policies
public
interventions
low-pollution
environments.
Molecules,
Journal Year:
2023,
Volume and Issue:
29(1), P. 181 - 181
Published: Dec. 28, 2023
Transient
receptor
potential
vanilloid
1
(TRPV1)
is
a
transmembrane
and
non-selective
cation
channel
protein,
which
can
be
activated
by
various
physical
chemical
stimuli.
Recent
studies
have
shown
the
strong
pathogenetic
associations
of
TRPV1
with
neurodegenerative
diseases
(NDs),
in
particular
Alzheimer’s
disease
(AD),
Parkinson’s
(PD)
multiple
sclerosis
(MS)
via
regulating
neuroinflammation.
Therapeutic
effects
agonists
antagonists
on
treatment
AD
PD
animal
models
also
are
emerging.
We
here
summarize
current
understanding
TRPV1’s
its
as
therapeutic
means
diseases,
highlight
future
strategies
using
natural
agonists.
Developing
new
targets
applying
products
becoming
promising
direction
chronic
disorders,
especially
diseases.
Frontiers in Neurology,
Journal Year:
2023,
Volume and Issue:
14
Published: Dec. 21, 2023
The
prevalence
rate
of
allergic
rhinitis
(AR)
is
high
worldwide.
inhalation
allergens
induces
AR,
which
an
immunoglobulin
E-mediated
and
type
2
inflammation-driven
disease.
Recently,
the
role
neuroimmune
communication
in
AR
pathogenesis
has
piqued
interest
scientific
community.
Various
neuropeptides,
such
as
substance
P
(SP),
vasoactive
intestinal
peptide
(VIP),
calcitonin
gene-related
(CGRP),
nerve
growth
factor
(NGF),
neuromedin
U
(NMU),
released
via
“axon
reflexes”
or
“central
sensitization”
exert
regulatory
effects
on
immune
cells
to
elicit
“neurogenic
inflammation,”
contributes
nasal
hyperresponsiveness
(NHR)
AR.
Additionally,
neuropeptides
can
be
produced
cells.
frequent
colocalization
neuronal
at
certain
anatomical
regions
promotes
establishment
cell
units,
nerve-mast
cells,
nerve-type
innate
lymphoid
(ILC2s),
nerve-eosinophils
nerve-basophils
units.
Receptors
expressed
both
neurons,
TRPV1,
TRPA1,
Mas-related
G
protein-coupled
receptor
X2
(MRGPRX2)
mediate
pathogenesis.
This
review
focused
elucidating
mechanisms
underlying
Journal of Pharmacy & Pharmaceutical Sciences,
Journal Year:
2024,
Volume and Issue:
27
Published: Oct. 14, 2024
The
COVID-19
pandemic
has
raised
concern
regarding
respiratory
system
diseases
and
oral
inhalation
stands
out
as
an
attractive
non-invasive
route
of
administration
for
pulmonary
such
chronic
bronchitis,
cystic
fibrosis,
community-acquired
pneumonia.
In
this
context,
we
encapsulated
azithromycin
in
polycaprolactone
nanoparticles
functionalized
with
phospholipids
rich
dipalmitoylphosphatidylcholine
further
produced
a
fine
powder
formulation
by
spray
drying
monohydrated
lactose.
Nanoparticles
obtained
the
emulsion/solvent
diffusion-evaporation
technique
exhibited
mean
hydrodynamic
diameter
around
195–228
nm
narrow
monomodal
size
distribution
(PdI
<
0.2).
Nanoparticle
dispersions
were
spray-dried
at
different
inlet
temperatures,
atomizing
air-flow,
aspirator
air
flow,
feed
rate,
using
lactose
aid,
resulting
maximal
process
yield
63%
encapsulation
efficiency
83%.
Excipients
dry
formulations
characterized
terms
morphology,
chemical
structure,
thermal
analyses
particle
SEM,
FTIR,
DSC/TGA
laser
light
diffraction.
results
indicated
spherical
particles
90%
4.06
µm
or
below,
adequate
delivery.
Aerosolization
performance
NGI
confirmed
good
aerodynamic
properties.
Microbiological
assays
showed
that
preserves
AZM
antimicrobial
effect
against
Staphylococcus
aureus
Streptococcus
pneumoniae
strains,
halos
above
18
mm.
addition,
no
formulation-related
cytotoxicity
was
observed
human
cell
lines
BEAS-2B
(lung
epithelial),
HUVEC
(endothelial)
HFF1
(fibroblasts).
Overall,
approach
described
here
allows
production
AZM-PCL
incorporated
into
inhalable
microparticles,
enabling
more
efficient
therapy
lung
infections.
Journal of Thoracic Disease,
Journal Year:
2023,
Volume and Issue:
15(4), P. 1848 - 1860
Published: April 1, 2023
Acupuncture
has
achieved
good
results
in
the
treatment
of
cough,
asthma,
chronic
obstructive
pulmonary
disease
(COPD)
and
other
lung
diseases,
but
mechanism
associated
with
acupuncture
cough
induced
by
surgery
is
unknown.
We
investigated
whether
therapy
could
improve
symptoms
after
through
cyclic-AMp
dependent
protein
kinase
A
(PKA)/cyclic-AMp
C
(PKC)
regulation
transient
receptor
potential
vanilloid-1
(TRPV1)
signaling
pathway.The
guinea
pigs
were
divided
into
5
groups:
Sham
operation
Group
(Sham),
Model
(Model),
Electroacupuncture
+
(EA
M),
H89
(H89
M)
Go6983
(Go6983
M).
The
effect
was
determined
measuring
(number
coughs/cough
incubation
period)
as
outcome
criterion.
levels
inflammatory
cytokines
bronchoalveolar
lavage
fluid
(BALF)
blood
enzyme-linked
immunosorbent
assays
(ELISA).
Lung
tissue
stained
hematoxylin
eosin
(H&E).
expression
p-PKA,
p-PKC
p-TRPV1
proteins
measured
Western
blotting.
mRNA
TRPV1,
Substance
P
(SP),
calcitonin
gene-related
peptide
(CGRP)
neurokinin-1R
(NK1R)
real-time
polymerase
chain
reaction
(RT-PCR).Acupuncture
significantly
reduced
frequency
prolonged
latency
surgery.
In
addition,
damage
to
tissue.
decreased
all
groups,
inhibited
SP,
CGRP
NK1R
treatment.Acupuncture
ameliorated
regulating
TRPV1
pathway
via
PKA/PKC.
Our
showed
that
may
be
an
effective
surgery,
also
clarified
mechanism,
which
provides
a
theoretical
basis
for
clinical
patients
Technology and Health Care,
Journal Year:
2023,
Volume and Issue:
32(1), P. 313 - 326
Published: April 28, 2023
BACKGROUND:
Chronic
obstructive
pulmonary
disease
(COPD)
is
a
common
chronic
respiratory
worsening
airflow
limitation.
OBJECTIVE:
To
explore
function
rehabilitation,
life
quality
and
prognosis
in
patients
with
severe
COPD.
METHODS:
Between
February
2018
August
2021,
150
COPD
cured
our
hospital
were
arbitrarily
assigned
into
the
control
group
(n=
75)
study
75).
The
received
routine
treatment
research
multidisciplinary
diagnosis
treatment.
body
mass
index,
obstruction,
dyspnea
exercise
(BODE),
function,
number
of
acute
attacks,
6-minute
walking
distance
(6MWD),
Borg
score
compared.
RESULTS:
There
was
no
remarkable
difference
BODE
before
(P>
0.05).
During
2-
6-month
following
treatment,
lower
(P<
In
group,
FEV1
percentage
predicted
value,
forced
expiratory
volume
one
second
(PPO-FEV1)
second/forced
vital
capacity
(FEV1/FVC)
first
higher
there
fewer
attacks
After
6MWD
scores
at
6-months
after
differences
0.05),
however,
symptom
score,
activity
influence
total
CONCLUSION:
application
model
can
promote
rehabilitation
COPD,
improve
their
prognosis,
slow
down
development
enhance
quality.