Metabolites,
Journal Year:
2024,
Volume and Issue:
14(6), P. 300 - 300
Published: May 25, 2024
Chronic
kidney
disease
(CKD)
impacts
14%
of
adults
in
the
United
States,
and
African
American
(AA)
individuals
are
disproportionately
affected,
with
more
than
3
times
higher
risk
failure
as
compared
to
White
individuals.
This
study
evaluated
effects
base-producing
fruit
vegetables
(FVs)
on
cardiorenal
outcomes
AA
persons
CKD
hypertension
(HTN)
a
low
socioeconomic
area.
The
“Cardiorenal
Protective
Diet”
prospective
randomized
trial
6-week,
community-based
FV
intervention
waitlist
control
(WL)
91
(age
=
58.3
±
10.1
years,
66%
female,
48%
income
≤
USD
25K).
Biometric
metabolomic
variables
were
collected
at
baseline
6
weeks
post-intervention.
change
health
for
both
groups
was
statistically
insignificant
(p
>
0.05),
though
small
reductions
albumin
creatinine
ratio,
body
mass
index,
total
cholesterol,
systolic
blood
pressure
observed
group.
Metabolomic
profiling
identified
key
markers
<
including
C3,
C5,
1-Met-His,
kynurenine,
PC
ae
38:5,
choline,
indicating
function
decline
WL
Overall,
delivering
directed
protective
diet
improved
HTN.
Additionally,
may
serve
prognostic
technique
early
identification
biomarkers
indicators
worsening
increased
CVD
risk.
Journal of Clinical Investigation,
Journal Year:
2024,
Volume and Issue:
134(13)
Published: May 14, 2024
Mutations
in
the
cystic
fibrosis
transmembrane
conductance
regulator
(CFTR)
gene
cause
(CF),
a
multiorgan
disease
that
is
characterized
by
diverse
metabolic
defects.
However,
other
than
specific
CFTR
mutations,
factors
influence
progression
and
severity
remain
poorly
understood.
Aberrant
metabolite
levels
have
been
reported,
but
whether
loss
itself
or
secondary
abnormalities
(infection,
inflammation,
malnutrition,
various
treatments)
drive
defects
uncertain.
Here,
we
implemented
comprehensive
arteriovenous
metabolomics
newborn
CF
pigs,
results
revealed
as
bona
fide
of
metabolism.
impaired
exchange
across
organs,
including
disruption
lung
uptake
fatty
acids,
yet
enhancement
arachidonic
acid,
precursor
proinflammatory
cytokines.
also
kidney
reabsorption
amino
acids
lactate
abolished
renal
glucose
homeostasis.
These
additional
unexpected
prior
to
manifestations
reveal
fundamental
role
for
controlling
Such
discovery
informs
basic
understanding
CF,
provides
foundation
future
investigation,
has
implications
developing
therapies
targeting
only
single
tissue.
Renal Failure,
Journal Year:
2024,
Volume and Issue:
46(1)
Published: Jan. 8, 2024
Purpose
To
investigate
the
effects
of
canagliflozin
(20
mg/kg)
on
Dahl
salt-sensitive
(DSS)
rat
gut
microbiota
and
hypertension-induced
kidney
injury
further
explore
its
possible
mechanism.
Journal of the American Society of Nephrology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: April 19, 2024
Key
Points
Integrated
analysis
of
proteome
and
metabolome
identifies
modules
associated
with
CKD
progression
kidney
failure.
Ephrin
transmembrane
proteins
podocyte-expressed
CRIM1
NPNT
emerged
as
central
components
warrant
experimental
clinical
investigation.
Background
Proteins
metabolites
play
crucial
roles
in
various
biological
functions
are
frequently
interconnected
through
enzymatic
or
transport
processes.
Methods
We
present
an
integrated
4091
630
the
Chronic
Renal
Insufficiency
Cohort
study
(
N
=1708;
average
follow-up
for
failure,
9.5
years,
537
events).
were
using
unsupervised
clustering
method,
we
assessed
associations
between
clusters
failure
Cox
proportional
hazards
models.
Analyses
adjusted
demographics
risk
factors,
including
eGFR
urine
protein–creatinine
ratio.
Associations
identified
a
discovery
sample
(random
two
thirds,
n
=1139)
then
evaluated
replication
(one
third,
=569).
Results
139
correlated
metabolites,
which
represented
by
their
principal
components.
Modules
component
loadings
projected
onto
sample,
demonstrated
consistent
network
structure.
Two
modules,
representing
total
236
82
robustly
both
validation
samples.
Using
gene
set
enrichment,
several
transmembrane-related
terms
overrepresented
these
modules.
Transmembrane–ephrin
receptor
activity
displayed
largest
odds
(odds
ratio=13.2,
P
value
=
5.5×10
−5
).
A
module
containing
expressed
podocytes
particularly
strong
2.6×10
Conclusions
This
demonstrates
that
integration
can
identify
pathophysiologic
importance
disease.
Acta Physiologica,
Journal Year:
2025,
Volume and Issue:
241(2)
Published: Jan. 16, 2025
Abstract
Purpose
Homoarginine
(hArg)
is
an
arginine
metabolite
that
has
been
known
for
years,
but
its
physiological
role
in
the
body
remains
poorly
understood.
For
instance,
it
well
high
hArg
concentrations
blood
are
protective
against
several
disease
states,
yet
mechanisms
behind
these
health
benefits
unclear.
This
review
compiles
what
about
hArg,
namely
synthetic
pathways,
different
diseases
and
conditions,
proposed
of
action
humans
experimental
animals.
Findings
Previous
work
identified
multiple
pathways
control
synthesis
degradation
body.
Furthermore,
endogenous
can
modulate
cardiovascular
system,
with
decreased
being
associated
complications
increased
mortality.
Studies
also
suggest
could
serve
as
a
diagnostic
biomarker
variety
immune,
pancreatic,
renal,
hepatic
dysfunctions.
Finally,
women,
rapidly
increase
throughout
pregnancy
there
suggestions
alterations
indicate
like
pre‐eclampsia.
Summary
under‐appreciated
amino
acid
potential
wide‐ranging
roles
systemic
health,
pregnancy,
pathophysiology.
Although
recent
research
focused
on
or
associations,
need
more
investigations
into
understanding
mechanistic
by
which
may
operate.
be
aided
using
metabolomics,
provides
comprehensive
approach
to
correlating
metabolites
metabolic
effects.
Increasing
our
knowledge
hArg's
pave
way
routine
use
both
therapeutic
molecule.
Metabolites,
Journal Year:
2025,
Volume and Issue:
15(3), P. 192 - 192
Published: March 11, 2025
Background:
The
metabolome
of
COVID-19
patients
has
been
studied
sparsely,
with
most
research
focusing
on
a
limited
number
plasma
metabolites
or
small
cohorts.
This
is
the
first
study
to
test
saliva
in
comprehensive
way,
revealing
patterns
significantly
linked
disease
and
severity,
highlighting
saliva’s
potential
as
non-invasive
tool
for
pathogenesis
diagnostic
studies.
Methods:
We
included
30
asymptomatic
subjects
no
prior
infection
vaccination,
102
mild
SARS-CoV-2
infection,
61
hospitalized
confirmed
status.
Saliva
samples
were
analyzed
using
hydrophilic
interaction
liquid
chromatography–mass
spectrometry
(HILIC-MS/MS)
positive
negative
ionization
modes.
Results:
Significant
differences
identified
patients,
distinct
associated
severity.
Dipeptides
such
Val-Glu
Met-Gln
highly
elevated
moderate
cases,
suggesting
specific
protease
activity
related
SARS-CoV-2.
Acetylated
amino
acids
like
N-acetylserine
N-acetylhistidine
increased
severe
cases.
Bacterial
metabolites,
including
muramic
acid
indole-3-carboxaldehyde,
higher
mild–moderate
indicating
that
oral
microbiota
differs
according
In
polyamines
organ-damage-related
N-acetylspermine
3-methylcytidine,
increased.
Interestingly,
reduced
cases
Conclusions:
metabolomics
offers
insightful
information
potentially
useful
studying
severity
diagnosis.
Nature Communications,
Journal Year:
2025,
Volume and Issue:
16(1)
Published: March 28, 2025
Metabolites
are
small
molecules
that
useful
for
estimating
disease
risk
and
elucidating
biology.
Here,
we
perform
two-sample
Mendelian
randomization
to
systematically
infer
the
potential
causal
effects
of
1099
plasma
metabolites
measured
in
6136
Finnish
men
from
METSIM
study
on
2099
binary
endpoints
309,154
individuals
FinnGen.
We
find
evidence
282
putative
70
183
endpoints.
also
identify
25
with
across
multiple
domains,
including
ascorbic
acid
2-sulfate
affecting
26
12
domains.
Our
suggests
N-acetyl-2-aminooctanoate
glycocholenate
sulfate
affect
atrial
fibrillation
through
two
distinct
metabolic
pathways
N-methylpipecolate
may
mediate
effect
N6,N6-dimethyllysine
anxious
personality
disorder.
Diabetic Medicine,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 14, 2025
Abstract
Obesity‐related
glomerulopathy
(ORG)
is
an
emerging
complication
of
excess
adiposity.
Its
incidence
rises
alongside
the
obesity
pandemic.
Up
to
40%
individuals
can
be
affected
by
ORG,
irrespective
status
glomerular
filtration
rate
and
albuminuria.
ORG
a
distinct
histological
diagnosis
based
on
kidney
biopsy,
showing
classical
features
enlarged
glomerulus
with
without
focal
segmental
glomerulosclerosis
in
perihilar
region
seen
all
categories
obesity.
About
10%
may
progress
end‐stage
disease.
The
invasive
nature
biopsy
highlights
need
for
non‐invasive
biomarkers
improved
screening,
risk
prediction
ORG.
These
narrow
gaps
management
improving:
(1)
differentiation
from
non‐ORG
conditions;
(2)
stratification
at
progression
disease
including
detection
trajectories
progression;
(3)
monitoring
treatment
safety
effectiveness
(4)
development
novel
therapeutic
targets.
In
present
review,
we
discussed
pathophysiology,
(such
as
injury
molecule‐1
[KIM‐1],
uromodulin,
klotho,
circulating
microRNA‐21
[miR‐21])
future
strategies
(metabolic
surgery,
sodium‐glucose
cotransporter‐2
inhibitors,
incretin‐based
therapy
non‐steroidal
mineralocorticoid
antagonists)