Prophylactic supplementation with Bifidobacterium infantis or its metabolite inosine attenuates cardiac ischemia/reperfusion injury
iMeta,
Journal Year:
2024,
Volume and Issue:
3(4)
Published: July 2, 2024
Abstract
Emerging
evidence
has
demonstrated
the
profound
impact
of
gut
microbiome
on
cardiovascular
diseases
through
production
diverse
metabolites.
Using
an
animal
model
myocardial
ischemia–reperfusion
(I/R)
injury,
we
found
that
prophylactic
administration
a
well‐known
probiotic,
Bifidobacterium
infantis
(
B.
),
exhibited
cardioprotective
effects
in
terms
preserving
cardiac
contractile
function
and
preventing
adverse
remodeling
following
I/R
these
were
recapitulated
by
its
metabolite
inosine.
Transcriptomic
analysis
further
revealed
inosine
mitigated
I/R‐induced
inflammation
cell
death.
Mechanistic
investigations
elucidated
suppressed
pro‐inflammatory
cytokines
reduced
numbers
dendritic
cells
natural
killer
cells,
achieved
activation
adenosine
A2A
receptor
(A2AR)
when
inhibited
abrogated
Additionally,
vitro
studies
using
C2C12
myoblasts
attenuated
death
serving
as
alternative
carbon
source
for
triphosphate
(ATP)
generation
purine
salvage
pathway
subjected
to
oxygen‐glucose
deprivation/reoxygenation
simulated
injury.
Likewise,
reversed
decrease
ATP
levels
mouse
hearts.
Taken
together,
our
findings
indicate
or
exerts
against
suppressing
attenuating
death,
suggesting
therapeutic
options
acute
ischemic
Language: Английский
The role and mechanism of gut-lung axis mediated bidirectional communication in the occurrence and development of chronic obstructive pulmonary disease
Xiaofan Song,
No information about this author
Xina Dou,
No information about this author
Jiajing Chang
No information about this author
et al.
Gut Microbes,
Journal Year:
2024,
Volume and Issue:
16(1)
Published: Oct. 24, 2024
The
current
studies
have
shown
that
the
occurrence
and
development
of
chronic
obstructive
pulmonary
disease
(COPD)
are
closely
related
to
changes
in
gut
health
its
microenvironment,
even
some
diseases
significant
clinical
correlation
with
COPD.
dysbiosis
microbiota
observed
COPD
patients
also
suggests
a
potential
bidirectional
interaction
between
lung.
Communication
lung
may
occur
through
circulating
inflammatory
cells,
microbial
metabolites,
mediators,
but
mechanism
communication
is
still
under
study.
Therefore,
more
research
needed
this
area.
In
review,
we
summarize
recent
animal
models
on
role
gut-lung
axis
mechanisms,
so
as
provide
ideas
for
further
field.
addition,
summarized
negative
effects
medication
risk
factors
proposed
prevention
treatment
strategies.
Language: Английский
Exploring the Causal Relationship Between Gut Microbiota and Pulmonary Artery Hypertension: Insights From Mendelian Randomization
Lihuang Su,
No information about this author
Xinghong Wang,
No information about this author
Ya Lin
No information about this author
et al.
Journal of the American Heart Association,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 13, 2025
Background
Research
into
the
“gut–lung”
axis
links
gut
microbiota
to
pulmonary
artery
hypertension
(PAH).
However,
mechanisms
by
which
influence
PAH
remain
unclear.
We
aimed
investigate
causal
relationship
between
and
using
Mendelian
randomization
analysis,
identify
key
metabolites,
explore
regulatory
role
of
associated
genes
in
pathogenesis.
Methods
Results
examined
association
taxa
inverse
variance
weighted
2‐sample
randomization–Egger,
median,
mode
methods.
Additionally,
we
identified
PAH‐regulating
intestinal
microbiome
bioinformatics
tools
validated
their
expression
levels
lung
tissue
hypoxia‐induced
mice
models
quantitative
reverse
transcription
polymerase
chain
reaction.
Eleven
were
with
PAH.
The
order
Clostridiales
genera
Eubacterium
fissicatena
group,
Lachnospiraceae
UCG004
,
Ruminococcaceae
UCG002
positively
PAH,
whereas
Bifidobacteriales;
family
Bifidobacteriaceae;
eligens
group
Sutterella,
Methanobrevibacter
Sellimonas
Tyzzerella3
negatively
some
exhibiting
bidirectional
causality.
These
modulate
24
including
palmitoylcholine,
oleoylcholine,
3,7‐dimethylurate,
Hypoxia‐induced
had
significantly
downregulated
1,4,5‐trisphosphate
receptor
type
2,
degrading
enzyme,
nuclear
receptor‐interacting
protein
1,
growth
factor‐binding
1
tissues,
indicating
potential
regulation.
Conclusions
findings
suggest
that
composition
metabolites
contribute
development
regulating
gene
expression.
Our
have
implications
for
advancing
microbiota‐based
diagnostic
technologies
targeted
therapies.
Language: Английский
Gut-lung Axis mediates asthma pathogenesis: Roles of dietary patterns and their impact on the gut microbiota
Experimental and Molecular Pathology,
Journal Year:
2025,
Volume and Issue:
142, P. 104964 - 104964
Published: April 8, 2025
The
gut-lung
axis,
a
vital
signaling
network
linking
the
gastrointestinal
and
pulmonary
systems,
regulates
immune
responses
progression
of
respiratory
diseases.
Nutritional
components
can
modulate
gut
microbiome
regulate
synthesis
critical
intestinal
microbial
metabolites,
which
are
essential
for
maintaining
homeostasis
supporting
health.
Conversely,
poor
dietary
habits
exacerbate
asthma
other
conditions
through
modulation
systemic
inflammation
responses.
Dietary
interventions,
such
as
Mediterranean
diet,
reported
to
restore
balance
improve
health
by
increasing
production
anti-inflammatory
potentiating
responses,
preserving
epithelial
barrier
integrity.
In
contrast,
Western
patterns,
characterized
high
fat
low
fiber
intake,
disrupt
diversity,
resulting
in
increased
levels
pro-inflammatory
metabolites
that
aggravate
airway
severity.
This
review
aimed
elucidate
mechanisms
underlying
regulatory
effects
microbes
their
on
asthma.
Additionally,
previous
findings
related
axis
have
been
summarized,
providing
insights
into
potential
therapeutic
strategies
management.
Language: Английский
Multi-kingdom gut microbiota dysbiosis is associated with the development of pulmonary arterial hypertension
Yihang Chen,
No information about this author
Zhenzhen Chen,
No information about this author
Lirong Liang
No information about this author
et al.
EBioMedicine,
Journal Year:
2025,
Volume and Issue:
115, P. 105686 - 105686
Published: April 11, 2025
Language: Английский
Metformin’s dual impact on Gut microbiota and cardiovascular health: A comprehensive analysis
Biomedicine & Pharmacotherapy,
Journal Year:
2024,
Volume and Issue:
178, P. 117128 - 117128
Published: July 29, 2024
Cardiovascular
diseases
(CVD)
cause
significant
global
morbidity,
mortality
and
public
health
burden
annually.
CVD
alters
richness,
diversity,
composition
of
Gut
microbiota
along
with
RAS
histopathological
differences.
Present
study
explores
Metformin
role
in
mitigating
doxorubicin
induced
cardiovascular
toxicity/remodeling.
Animals
were
divided
into
4
groups
n=6:
Group
I
(N.
Control)
free
access
to
diet
water;
II
(MET.
on
oral
(250
mg/kg)
daily;
III
(DOX.
alternate
day
intraperitoneal
Doxorubicin
(3
totaling
18
mg/kg;
IV
MET.
received
both
daily
mg/kg).
microbial
analysis
was
made
from
stool
before
animals
sacrificed
for
biochemical
analysis.
Significant
alterations
observed
ɑ
β-diversity
new
genus
Firmicutes,
specifically
Clostridia_UCG-014,
Eubacterium
ruminantium,
Tunicibacter,
prevalent
the
DOX.
Control
DOX.MET
groups.
Proteobacteria,
represented
by
Succinivibrio,
absent
all
Additionally,
Parabacteroides
Bacteroidia
phylum
except
N.
control.
In
group,
levels
Angiotensin
(
7.75±
0.49
nmol/min,
p<0.01)
Renin
(2.60±0.26
ng/ml/hr)
significantly
reduced.
Conversely,
CK-MB,
Fibrinogen,
Troponin,
CRP
p
<
0.0001),
TNFɑ
(p
0.05)
elevated.
Histopathological
examination
revealed
substantial
cardiac
changes,
including
Fibrinogen
fat
deposition
eosinophilic
infiltration,
as
well
liver
damage
characterized
binucleated
cells
damaged
hepatocytes,
altered
renal
tissues
DOX.MET.Control
group.
The
findings
suggest
that
modifies
gut
microbiota,
particularly
impacting
Firmicutes
Proteobacteria
phyla.
reduction
levels,
alongside
increased
inflammatory
markers
myocardial
damage,
highlights
complex
interactions
potential
adverse
effects
associated
MET
therapy
health.
Language: Английский
Flavonifractor Plautii or Its Metabolite Desaminotyrosine as Prophylactic Agents for Alleviating Myocardial Ischemia/Reperfusion Injury
Advanced Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 16, 2025
Abstract
Myocardial
ischemia/reperfusion
(I/R)
injury
is
a
major
contributor
to
myocardial
damage,
leading
adverse
cardiac
remodeling
and
dysfunction.
Recent
studies
have
highlighted
the
potential
of
gut
microbiota‐derived
metabolites
in
modulating
outcomes.
Here,
cardioprotective
effects
commensal
bacterium
Flavonifractor
plautii
(
F.
)
its
metabolite
desaminotyrosine
(DAT)
against
I/R
are
investigated.
We
showed
that
prophylactic
gavage
attenuates
as
evidenced
by
improved
function
reduced
injury.
also
found
DAT
recapitulates
these
Transcriptomic
analysis
has
revealed
preserves
tissue
immune
responses
Mechanistically,
promotes
cardiomyocyte
survival
through
modulation
nicotinamide
adenine
dinucleotide
phosphate
(NADP
+
/NADPH)
ratio.
Further,
suppressed
macrophage
proinflammatory
activities
inflammation
via
reduction
interleukin‐6
(IL‐6)
production.
Taken
together,
our
findings
indicate
exert
pleiotropic
injury,
suggesting
them
therapeutic
options
for
alleviating
Language: Английский
The Challenge in Burden of Pulmonary Arterial Hypertension: A Perspective From the Global Burden of Disease Study
Yicheng Yang,
No information about this author
Zhiwei Zeng,
No information about this author
Qiaoxi Yang
No information about this author
et al.
MedComm,
Journal Year:
2025,
Volume and Issue:
6(5)
Published: April 24, 2025
ABSTRACT
Pulmonary
arterial
hypertension
(PAH)
poses
significant
clinical
management
challenges
due
to
gaps
in
understanding
its
global
epidemiology.
We
analyzed
PAH‐related
disability‐adjusted
life
years
(DALYs),
deaths,
and
prevalence
from
1990
2021.
Age‐period‐cohort
models
regression
analyses
assessed
temporal
trends
projected
burdens
2050.
Globally,
DALYs
declined
by
6.6%,
but
increased
13.9%
high
socio‐demographic
index
(SDI)
countries.
Middle
SDI
regions
reported
the
highest
Deaths
rose
48.5%
worldwide,
with
nations
experiencing
a
76.6%
surge.
Age‐standardized
rates
(ASRs)
of
deaths
decreased
across
countries,
high‐middle
showing
steepest
declines.
Younger
age
groups,
especially
males,
had
higher
proportion
earlier
years,
burden
shifted
toward
older
populations
over
time,
this
trend
more
pronounced
high‐SDI
analysis
revealed
declining
younger
ages
rising
cohorts.
By
2050,
are
rise,
disproportionately
affecting
females.
Significant
regional
disparities
PAH
persist,
necessitating
targeted
policies,
improved
healthcare
access,
early
detection
strategies,
underserved
areas.
Addressing
these
is
critical
for
mitigating
PAH’
s
impact.
Language: Английский
Integrated multi-omics analysis of the microbial profile characteristics associated with pulmonary arterial hypertension in congenital heart disease
Jiahui Xie,
No information about this author
Xiaoyu Zhang,
No information about this author
Liming Cheng
No information about this author
et al.
Microbiology Spectrum,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 29, 2024
ABSTRACT
Dysregulation
of
immune
and
inflammatory
cells
around
blood
vessels
metabolic
dysfunction
are
key
mechanisms
in
the
development
pulmonary
arterial
hypertension
(PAH).
The
homeostasis
human
microbiome
plays
a
crucial
role
regulating
responses
progression
diseases.
For
associated
with
congenital
heart
disease
involving
body-lung
shunt
(PAH-CHD),
potential
impact
on
“gut-lung
axis”
remains
underexplored.
This
study
recruited
15
healthy
individuals
patients
due
to
from
Fuwai
Yunnan
Hospital,
Chinese
Academy
Medical
Sciences,
Kunming
Children's
Hospital.
We
performed
differential
analyses
metabolites
microbiota
both
gut
lower
respiratory
tract
for
these
two
groups.
goal
was
investigate
metabolome
profiles
children
PAH-CHD
analyze
interrelationships
between
profiles.
Ultimately,
we
aim
propose
value
aiding
diagnosis.
results
indicated
that
characterized
by
an
increased
abundance
beneficial
symbionts,
which
closely
linked
changes
metabolome.
Metabolite
functional
enrichment
analysis
revealed
energy
metabolism
reprogramming
group,
active
pathways
bile
acid
secretion
carnitine
homeostasis.
Moreover,
expression
correlated
right
function
growth
development.
IMPORTANCE
Previous
studies
have
primarily
focused
relationship
PAH.
However,
microbial
perspective
gut-lung
axis
has
not
been
adequately
elucidated.
Our
utilizes
integrated
multi-omics
approach
report
characteristics
lung
reference
subjects.
found
influence
pathological
manifestations
through
their
activity.
Additionally,
alterations
ecological
structure.
findings
suggest
modulating
composition
may
positive
implications
maintaining
environment
PAH-CHD.
Language: Английский