Pathogens,
Journal Year:
2024,
Volume and Issue:
13(11), P. 1005 - 1005
Published: Nov. 15, 2024
Recent
advances
in
microbiome
research
have
uncovered
a
dynamic
and
complex
connection
between
the
gut
lungs,
known
as
gut-lung
axis.
This
bidirectional
communication
network
plays
critical
role
modulating
immune
responses
maintaining
respiratory
health.
Mediated
by
interactions,
metabolic
byproducts,
microbial
communities
both
organs,
this
axis
demonstrates
how
gut-derived
signals,
such
metabolites
modulators,
can
reach
lung
tissue
via
systemic
circulation,
influencing
function
disease
susceptibility.
To
explore
implications
of
connection,
we
conducted
systematic
review
studies
published
2001
2024
(with
much
nearly
60%
covering
period
2020-2024),
using
keywords
"gut-lung
axis",
"microbiome",
"respiratory
disease",
"immune
signaling".
Studies
were
selected
based
on
their
relevance
to
mechanisms,
impact
dysbiosis,
microbiota
diseases.
provides
comprehensive
overview
axis,
emphasizing
its
importance
regulating
inflammatory
linked
Understanding
intricate
pathway
opens
new
avenues
for
microbiota-targeted
therapeutic
strategies,
which
could
offer
promising
interventions
diseases
like
asthma,
chronic
obstructive
pulmonary
disease,
even
infections.
The
insights
gained
through
underscore
potential
novel
target
preventative
approaches
medicine,
with
enhancing
Frontiers in Nutrition,
Journal Year:
2022,
Volume and Issue:
9
Published: Nov. 1, 2022
Many
local
and
systemic
diseases
especially
that
are
leading
causes
of
death
globally
like
chronic
obstructive
pulmonary
disease,
atherosclerosis
with
ischemic
heart
disease
stroke,
cancer
severe
acute
respiratory
syndrome
coronavirus
2
(SARS-CoV-2)
causing
19
(COVID-19),
involve
both,
(1)
oxidative
stress
excessive
production
reactive
oxygen
species
(ROS)
lower
glutathione
(GSH)
levels,
(2)
inflammation.
The
GSH
tripeptide
(γ-
L-glutamyl-L-cysteinyl-glycine),
the
most
abundant
water-soluble
non-protein
thiol
in
cell
(1–10
mM)
is
fundamental
for
life
by
(a)
sustaining
adequate
redox
signaling
needed
to
maintain
physiologic
levels
control
processes,
(b)
limiting
tissue
damage.
activity
facilitated
activation
Kelch-like
ECH-associated
protein
1
(Keap1)-Nuclear
factor
erythroid
2-related
(Nrf2)-antioxidant
response
element
(ARE)
regulator
pathway,
releasing
Nrf2
regulates
expression
genes
controlling
antioxidant,
inflammatory
immune
system
responses.
exists
thiol-reduced
(>98%
total
GSH)
disulfide-oxidized
(GSSG)
forms,
concentrations
GSSG
their
molar
ratio
indicators
functionality
cell.
depletion
may
play
a
central
role
COVID-19
pathophysiology,
host
severity
mortality.
Therapies
enhancing
could
become
cornerstone
reduce
fatal
outcomes
increasing
prevent
subdue
these
diseases.
value
makes
paramount
research
field
biology
medicine
be
key
against
inflammation
SARS-CoV-2
infection
disease.
In
this
review,
we
emphasize
on
as
risk
(ischemic
stroke),
importance
antioxidants
(3)
significance
counteract
persistent
damaging
inflammation,
inflammaging
early
(premature)
associated
damage
caused
lack
antioxidant
defenses
younger
individuals,
(4)
new
therapies
include
restoration.
BMC Pulmonary Medicine,
Journal Year:
2022,
Volume and Issue:
22(1)
Published: Aug. 5, 2022
Abstract
Background
Reduced
physical
activity
(PA)
was
the
strongest
predictor
of
all-cause
mortality
in
patients
with
chronic
obstructive
pulmonary
disease
(COPD).
This
scoping
review
aimed
to
map
evidence
on
current
landscape
activity,
barriers
and
facilitators,
assessment
tools
across
COPD
patients.
Methods
Arksey
O’Malley’s
methodology
framework
guided
conduct
this
review.
An
electronic
search
conducted
five
English
databases
(PubMed,
Cochrane
Library,
PsycINFO,
CINAHL
Web
Science)
three
Chinese
(CNKI,
CQVIP
WAN-FANG)
January
2022.
Two
authors
independently
screened
literature,
extracted
studies
characteristics.
Results
The
initial
yielded
4389
results,
which
1954
were
duplicates.
Of
remaining
135
articles,
42
met
inclusion
criteria.
Among
reviewed
there
14
(33.3%)
cross-sectional
study,
9
(21.4%)
cohort
4
(9.5%)
longitudinal
3
qualitative
12
(28.7%)
randomized
control
trials.
main
identified
older
age,
women,
lung
function,
comorbidities,
symptoms
(fear
breathlessness
injury,
severe
fatigue,
anxiety
depression),
GOLD
stage,
frequency
exacerbation,
oxygen
use,
lack
motivation
environment-related
(e.g.,
season
weather).
Twelve
have
evaluated
effects
exercise
walking
training,
rehabilitation
(PR),
pedometer,
self-efficacy
enhancing
intervention
behavioral
modification
intervention)
PA
showed
significant
positive
prognosis
However,
real
life
it
is
difficult
maintain
people
COPD.
Conclusions
Changing
behavior
requires
multidisciplinary
collaboration.
Future
need
identify
best
instruments
measure
clinical
practice.
should
focus
different
types,
time
intensity
randomized,
adequately-powered,
controlled
trials
evaluate
long-term
effectiveness
change
interventions
PA.
Mediators of Inflammation,
Journal Year:
2023,
Volume and Issue:
2023, P. 1 - 15
Published: July 6, 2023
Most
patients
diagnosed
with
chronic
obstructive
pulmonary
disease
(COPD)
present
hallmark
features
of
airway
mucus
hypersecretion,
including
cough
and
expectoration.
Airway
function
as
a
native
immune
system
the
lung
that
severs
to
trap
particulate
matter
pathogens
allows
them
clear
from
via
ciliary
transport.
Chronic
hypersecretion
(CMH)
is
main
factor
contributing
increased
risk
morbidity
mortality
in
specific
subsets
COPD
patients.
It
is,
therefore,
primarily
important
develop
medications
suppress
hypersecretions
these
Although
there
have
been
some
advances
treatment,
more
work
remains
be
done
better
understand
mechanism
underlying
seek
effective
treatments.
This
review
article
discusses
structure
significance
lungs
focusing
on
gel-forming
mucins
impacts
CMH
lungs.
Furthermore,
we
summarize
pharmacological
nonpharmacological
treatments
well
novel
interventional
procedures
control
Nanomedicine,
Journal Year:
2022,
Volume and Issue:
17(24), P. 1833 - 1854
Published: July 20, 2022
Abnormalities
in
airway
mucus
lead
to
chronic
disorders
the
pulmonary
system
such
as
asthma,
fibrosis
and
obstructive
disease
(COPD).
Among
these,
COPD
is
more
prominent
worldwide.
Various
conventional
approaches
are
available
market
for
treatment
of
COPD,
but
delivery
drugs
target
site
remains
a
challenge
with
approaches.
Nanocarrier-based
considered
best
due
their
sustained
release
properties
site,
smaller
size,
high
surface-to-volume
ratio,
patient
compliance,
overcoming
defenses
improved
pharmacotherapy.
This
article
provides
updated
information
about
along
nanocarrier-based
well
potential
gene
therapy
stem
cell
combat
COPD.
Cell Communication and Signaling,
Journal Year:
2024,
Volume and Issue:
22(1)
Published: July 17, 2024
Chronic
obstructive
pulmonary
disease
(COPD)
remains
a
leading
cause
of
morbidity
and
mortality
worldwide,
characterized
by
persistent
respiratory
symptoms
airflow
limitation.
The
involvement
C-C
motif
chemokine
ligand
2
(CCL2)
in
COPD
pathogenesis,
particularly
macrophage
regulation
activation,
is
poorly
understood
despite
its
recognized
role
chronic
inflammation.
Our
study
aims
to
elucidate
the
regulatory
molecular
mechanisms
CCL2
pathogenesis
COPD,
providing
new
insights
for
therapeutic
strategies.
Journal of Advanced Research,
Journal Year:
2024,
Volume and Issue:
66, P. 285 - 301
Published: Jan. 10, 2024
The
prevention
and
treatment
of
chronic
obstructive
pulmonary
disease
(COPD)
is
closely
tied
to
anti-oxidation
anti-inflammation.
Phycocyanin
(PC)
have
numerous
pharmacological
effects
such
as
anti-oxidation,
anti-inflammation,
so
on.
But
it
remains
unclear
whether
PC
can
play
a
therapeutic
role
in
COPD.
As
inflammation
oxidative
stress
aggravate
the
COPD,
this
study
explore
effect
on
COPD
mice
its
mechanisms.
model
was
established
by
exposing
lipopolysaccharide
(LPS)
cigarette
smoke
(CS),
administrated
concentration
50
mg/kg
for
30
days.
On
last
day,
lung
function
measured,
bronchoalveolar
lavage
fluid
(BALF)
obtained
classified
cell.
Lung
tissues
pathological
change
analyzed
organ
indices
statistics
were
measured.
Based
molecular
docking
mechanism
explored
with
Western
blotting,
immunohistochemical
immunofluorescence
vivo
vitro.
significantly
ameliorated
reduced
(p<0.05),
Hematoxylin
eosin
(H&E)
showed
depressed
inflammatory
cell
accumulation
emphysema.
Periodic
acid
Schiff
(PAS)
Masson
staining
revealed
that
retarded
goblet
cells
metaplasia
collagen
deposition
(p<0.05).
In
addition,
regulated
Heme
oxygenase
1
(HO-1)
(p<0.05)
NAD(P)H
dehydrogenase
quinone
(NQO1)
level
(p<0.01)
lung,
well
NOX2
macrophages.
Molecular
results
indicate
phycocyanobilin
(PCB)
had
good
binding
site
Keap1
proteins,
phycocyanobilin-bound
phycocyanin
peptide
(PCB-PC-peptide)
further
studies.
vitro
PCB-PC-peptide
could
depress
phospho-NF-E2-related
factor
2
(p-Nrf2)
NQO1
protein
expression
RAW264.7
induced
extract
(CSE)
exerts
beneficial
via
anti-inflammatory
anti-oxidative
stress,
which
may
be
achieved
through
PCB.
Monaldi Archives for Chest Disease,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 14, 2025
Mucus
hypersecretion
is
a
trait
of
chronic
obstructive
pulmonary
disease
(COPD)
associated
with
poorer
outcomes.
As
it
may
be
present
before
airway
obstruction,
its
early
treatment
have
preventive
role.
This
narrative
review
the
literature
presents
role
mucus
dysfunction
in
COPD,
pathophysiology,
and
rationale
for
use
N-acetylcysteine
(NAC).
NAC
can
modify
rheology,
improving
clearance
reducing
damage
induced
MUC5AC
expression.
It
exerts
direct
indirect
(glutathione
replenishment)
antioxidant
mechanism;
interferes
inflammatory
molecular
pathways,
including
inhibition
nuclear
factor-kB
activation
epithelial
cells
reduction
expression
cytokine
tumor
necrosis
factor
α,
interleukin
(IL)-6,
IL-10.
Some
clinical
experiences
suggest
that
adjunctive
reduce
symptoms
improve
outcomes
patients
COPD.
In
conclusion,
candidate
drug
subjects
at
risk
COPD
development.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 13, 2025
Abstract
Chronic
obstructive
pulmonary
disease
(COPD)
is
the
third
leading
cause
of
death
worldwide,
with
a
significant
impact
on
low‐
and
middle‐income
countries,
making
it
critical
challenge
for
global
health
equity
sustainable
development
goals.
Extracellular
vesicles
(EVs)
are
emerging
as
promising
treatment
COPD,
but
conventional
storage
at
−80
°C
limits
their
accessibility.
This
study
explores
alternative
methods
to
enhance
EV
stability
accessibility,
particularly
in
low‐resource
settings.
EVs
from
lung
fibroblasts
subjected
freezing,
freeze
drying,
spray
drying
inulin
or
mannitol.
The
biophysical
properties
evaluated
by
capacity
support
organoid
formation.
Inulin
proves
effective
stabilizing
EVs,
maintaining
functionality
after
freezing
−20
12
weeks.
Freeze
preserves
20
43%
relative
humidity.
In
contrast,
mannitol
exhibit
aggregation
reduce
bio‐functionality.
Additionally,
leucine
produces
dry
powder
suitable
inhalation,
demonstrates
efficient
deposition
using
Cyclops
inhaler.
These
findings
suggest
stabilizer
eliminating
need
ultra‐low
temperature
improving
practicality
EV‐based
inhalable
therapies.