Frontiers in Microbiology,
Journal Year:
2025,
Volume and Issue:
16
Published: Feb. 24, 2025
The
global
prevalence
of
allergic
rhinitis
(AR)
remains
high,
posing
challenges
due
to
its
chronic
nature
and
propensity
for
recurrence.
Gut
microbiota
dysbiosis
contributes
immune
dysregulation,
impacting
AR
pathogenesis.
Limosilactobacillus
reuteri
(L.
reuteri)
has
great
potential
in
regulating
function
alleviate
symptoms.
However,
the
specific
active
components
mechanisms
underlying
therapeutic
effects
remain
incompletely
clarified.
This
study
aimed
explore
L.
metabolites
alleviating
AR.
mouse
model
was
constructed
using
ovalbumin
(OVA).
analysis
hematoxylin-eosin
staining
(HE
staining)
enzyme-linked
immunosorbent
assay
(ELISA)
suggested
that
alleviated
nasal
inflammation,
suppressed
aberrant
Th2
responses,
modulated
balance
Treg
Th17
cytokines.
16S
rRNA
sequencing
untargeted
metabolic
revealed
restored
gut
composition
significantly
increased
abundance
Ligilactobacillus
metabolite
luteolin
(LO).
Through
ELISA
Western
blotting
analysis,
LO
treatment
Th1/Th2
Treg/Th17
cytokine
MAPK/STAT3
signaling
pathway
mice.
highlights
as
a
key
contributing
anti-inflammatory
reuteri,
suggesting
avenues
future
strategies
management.
Journal of Personalized Medicine,
Journal Year:
2024,
Volume and Issue:
14(1), P. 98 - 98
Published: Jan. 16, 2024
PM2.5
is
one
of
the
most
harmful
components
airborne
pollution
and
includes
particles
with
diameters
less
than
2.5
μm.
Almost
90%
world's
population
lives
in
areas
poor
air
quality
exceeding
norms
established
by
WHO.
exposure
affects
various
organs
systems
human
body
including
upper
respiratory
tract
which
prone
to
its
adverse
effects.
can
disrupt
nasal
epithelial
cell
metabolism,
decrease
integrity
barrier,
affect
mucociliary
clearance,
alter
inflammatory
process
mucosa.
Those
effects
may
increase
chance
developing
diseases
high
pollution.
PM2.5's
contribution
allergic
rhinitis
(AR)
rhinosinusitis
was
recently
thoroughly
investigated.
Numerous
studies
demonstrated
mechanisms
that
occur
when
subjects
AR
or
are
exposed
PM2.5.
Various
immunological
changes
alterations
sinonasal
epithelia
were
reported.
These
contribute
observations
higher
concentrations
symptoms
patients
number
clinical
visits.
Thus,
studying
novel
strategies
against
has
become
focus
researchers'
attention.
In
this
review,
we
summarize
current
knowledge
on
healthy
mucosa
rhinosinusitis.
Finally,
advances
particles'
tract.
Frontiers in Pharmacology,
Journal Year:
2019,
Volume and Issue:
10
Published: March 29, 2019
Allergic
rhinitis
is
a
chronic
upper
respiratory
disease
estimated
to
affect
between
10-40%
of
the
worldwide
population.
The
mechanisms
underlying
allergic
are
highly
complex
and
involve
multiple
immune
cells,
mediators,
cytokines.
As
such,
development
single
drug
treat
inflammation
and/or
symptoms
confounded
by
complexity
pathophysiology.
Complete
avoidance
allergens
that
trigger
AR
not
possible
without
cure,
available
therapeutic
options
typically
focused
on
achieving
symptomatic
relief.
Topical
therapies
offer
many
advantages
over
oral
therapies,
such
as
delivering
greater
concentrations
drugs
receptor
sites
at
source
reduced
risk
systemic
side
effects.
This
review
describes
pathophysiology
identifies
mechanism(s)
action
topical
treatments
including
antihistamines,
steroids,
anticholinergics,
decongestants
chromones
in
relation
Following
literature
discussion
future
strategies
for
treatment
provided.
Autoimmunity,
Journal Year:
2023,
Volume and Issue:
56(1)
Published: March 20, 2023
Allergic
rhinitis
(AR)
is
a
common
inflammation
that
affects
many
people
globally.
Quercetin
has
anti-allergic
biological
activity
in
AR.
Here,
we
aimed
to
explore
the
effects
of
quercetin
on
type
1
helper
T
(Th1)/Th2
and
regulatory
cells
(Treg)/Th17
balance.
We
established
an
ovalbumin
(OVA)-induced
mouse
model
orally
administered
20,
35,
50
mg/kg/day
quercetin.
The
nasal
symptoms
mice
were
observed.
immunoglobulin
levels,
Treg/Th17-related
factors,
pro-inflammatory
factors
examined
by
ELISA.
differentiated
visualized
using
diff-quick
staining
assay.
histopathology
was
evaluated
H&E,
periodic
acid
Schiff
(PAS),
Giemsa
results
showed
attenuated
OVA-induced
rubbing
sneezing.
reduced
IgE,
IgG1,
histamine,
increased
IgG2
serum.
number
goblet
tissues
elevated
OVA
Moreover,
Treg
cell
percentage,
levels
IL-17,
TGF-β,
IL-6,
TNF-α,
decreased
Th17
IL-10
FOXP3
while
abrogated
their
induced
OVA.
Additionally,
inactivated
NF-κB
pathway.
Taken
together,
AR
balancing
Th1/Th2,
Treg/Th17
ratios,
inactivating
suggested
may
use
for
treatment.
Biomedicine & Pharmacotherapy,
Journal Year:
2023,
Volume and Issue:
164, P. 114959 - 114959
Published: May 31, 2023
Combined
allergic
rhinitis
and
asthma
syndrome
(CARAS)
causes
chronic
respiratory
inflammation
in
individuals.
Long-term
exposure
to
particulate
matter
2.5
(PM2.5;
particles
µm
or
less
diameter)
can
aggravate
damage.
Bergapten
(5-methoxysporalen)
is
a
furocoumarin
mostly
found
bergamot
essential
oil
has
significant
antioxidant,
anticancer,
anti-inflammatory
activity.
This
study
created
model
which
CARAS
was
exacerbated
by
PM2.5
exposure,
BALB/c
mice
explored
the
potential
of
bergapten
as
therapeutic
agent.
The
medication
increased
ovalbumin
(OVA)-specific
immunoglobulin
(Ig)
G2a
level
serum
decreased
OVA-specific
IgE
IgG1
expression.
Clinical
nasal
symptoms
diminished
significantly,
with
weakened
inflammatory
reaction
both
mucosa
lungs.
Furthermore,
controlled
T
helper
(Th)1
Th2
ratio
increasing
cytokines
associated
Th1-like
interleukin
(IL)-12
interferon
gamma
decreasing
IL-4,
IL-5,
IL-13.
Factors
closely
related
balance
between
regulatory
cells
Th17
(such
IL-10,
IL-17,
Forkhead
box
protein
P3,
retinoic-related
orphan
receptor
gamma)
were
also
regulated.
Notably,
pro-inflammatory
IL-6,
IL-1β,
tumor
necrosis
factor-alpha
reduced
bergapten,
suppressed
activation
signal
transducer
activator
transcription
3
signaling
pathway
mitogen-activated
kinase
pathway.
Therefore,
might
have
agent
for
CARAS.
Frontiers in Nutrition,
Journal Year:
2024,
Volume and Issue:
10
Published: Jan. 15, 2024
Background
Currently,
the
prevalence
of
allergic
rhinitis
(AR)
remains
high
and
there
is
a
great
need
to
develop
better
safer
ways
alleviate
AR
symptoms.
The
Lactobacillus
plantarum
GUANKE
probiotic
was
reported
as
an
immunomodulator
through
maintaining
Th1/Th2
balance.
This
study
aimed
determine
efficacy
in
subjects.
Methods
Adults
aged
from
18
60
years
old
previously
suffered
were
recruited
received
probiotics
treatment
for
4
weeks.
questionnaires
Total
nasal
symptom
scores
(TNSS),
total
non-nasal
score
(TNNSS),
control
assessment
test
(RCAT)
used
assess
effectiveness
before
after
treatment.
serum
allergen-specific
IgE
cytokines
also
determined
at
baseline
weeks
administration.
Results
results
showed
that
TNSS
TNNSS
significantly
reduced
RCAT
increased
compared
baseline.
sub-symptom
rhinorrhea,
itching,
sneezing,
tearing
each
questionnaire
significant
changes,
level
markedly
decreased.
We
further
measured
inflammatory-related
proteins
found
20
(6
upregulated
14
downregulated)
changed
baseline,
including
IL-4,
IL-7,
IL-20,
IL-33,
CXCL1,
CXCL5,
CXCL6,
CXCL11,
CCL4,
CCL23,
TGF-alpha,
LAP-TGF-beta-1,
MMP-1,
MMP-10,
AXIN1,
NT-3,
OSM,
SCF,
CD6,
NRTN.
Enrichment
analysis
these
altered
mainly
enriched
cytokine
chemokine-related
signaling
pathways.
Conclusion
Taken
together,
this
demonstrated
can
serve
effective
immunobiotic
AR,
which
realized
balance
by
modulating
functions
various
chemokines.