Life,
Год журнала:
2023,
Номер
13(8), С. 1640 - 1640
Опубликована: Июль 28, 2023
A
urine
test
permits
the
measure
of
several
urinary
markers.
This
is
a
non-invasive
method
for
early
monitoring
potential
kidney
damage.
In
COVID-19
patients,
alterations
markers
were
observed.
review
aims
to
evaluate
utility
urinalysis
in
predicting
severity
COVID-19.
total
68
articles
obtained
from
PubMed
studies
reported
that
(i)
disease
was
related
haematuria
and
proteinuria
(ii)
typical
sediment
noticed
COVID-19-associated
AKI
patients.
emphasizes
microscopic
examination
support
clinicians
diagnosing
severity.
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Март 3, 2025
COVID-19
infection
has
revealed
significant
effects
on
the
human
blood
metabolome
and
lipoproteome,
which
have
been
coherently
observed
in
different
cohorts
worldwide
across
various
waves
of
SARS-CoV-2
pandemic.
As
one
main
clinical
manifestations
is
a
severe
acute
respiratory
illness,
it
pertinent
to
explore
whether
this
metabolic/lipoproteomic
disturbance
associated
with
symptoms.
To
purpose
we
are
here
reporting
comparative1H
NMR
analyses
plasma
252
patients
non-COVID-19
interstitial
(24
individuals)
or
lobar
(21
pneumonia,
all
matched
by
age,
gender
disease
severity.
The
analysis
based
24
metabolites
114
lipoprotein
parameters.
Several
common
traits
among
three
groups,
albeit
some
peculiar
features
characteristic
each
group.
differences
were
between
cases
others.
Journal of Medical Virology,
Год журнала:
2025,
Номер
97(3)
Опубликована: Март 1, 2025
ABSTRACT
Coronavirus
disease
2019
(COVID‐19)
global
pandemic
has
affected
more
than
600
million
people
up
to
date.
The
symptomatology
and
severity
of
COVID‐19
are
very
broad,
there
still
concerns
about
the
long‐term
sequelae
that
it
can
have
on
discharged
patients.
development
pulmonary
fibrotic
after
this
infection
is
especially
worrying.
Our
aim
was
determine
if
a
metabolomic
signature
could
predict
sequelae.
It
multicenter
prospective
observation
subcohort
based
COVID‐FIBROTIC
study.
A
analysis
performed
by
nuclear
magnetic
resonance
(NMR)
serum
samples
from
patients
admitted
with
bilateral
pneumonia
collected
2
months
hospital
discharge.
One
year
admission,
clinical,
functional
radiological
data
were
these
same
Finally,
109
(mean
age
57.68
[DS14.03],
65.13%
male)
available.
Fibrotic
1
found
in
33%
them.
Based
NMR
samples,
possible
distinguish
80.82%
sensitivity,
72.22%
specificity
0.83
an
area
under
curve
(AUC)
value
which
would
signs
pattern
sample
collection.
According
metabolites
participating
discriminative
model
univariate
statistics,
glucose,
valine,
fatty
acids
(═CH–CH2–CH═)
suggested
as
potential
biomarkers
COVID‐19.
Trial
Registration
Number
clinicaltrials.gov
NCT04409275
(June
1,
2020).
JACS Au,
Год журнала:
2025,
Номер
5(5), С. 2285 - 2293
Опубликована: Апрель 13, 2025
Phosphorylated
metabolites,
here
referred
to
as
phosphometabolites,
are
sufficiently
abundant
and
widely
distributed
provide
a
condensed
representation
of
metabolism
that
can
be
readily
accessed
through
NMR
spectroscopy.
This
study
addresses
the
challenge
precisely
quantifying
phosphometabolites
via
quantitative
31P
from
tissue
extracts.
We
optimized
standard
operating
procedures
for
enhanced
spectral
resolution,
signal
intensity,
accuracy.
By
amply
evaluating
solvent
buffer
conditions,
reference
compounds,
paramagnetic
relaxation
enhancers,
we
identified
optimal
conditions
metabolite
analysis,
including
use
trimethylphosphine
oxide
accurate
referencing
due
its
short
T1
time
minimal
offset
glycine
(in
D2O)
at
pD
9.5,
where
virtually
invariant
frequencies
sample
osmolarities
observed,
along
with
maximal
detection
sensitivity
temperature
stability
pH.
These
methodological
advancements
significantly
improve
reliability
reproducibility
phosphometabolite
characterization,
allowing
assignment
up
60
independent
signals
in
one-dimensional
(1D)
spectrum
(of
total
94
peaks),
resulted
proper
quantification
44
different
tissular
samples.
Metabolic
profiling
of
blood
metabolites,
particularly
in
plasma
and
serum,
is
vital
for
studying
human
diseases,
conditions,
drug
interventions
toxicology.
The
clinical
significance
arises
from
its
close
ties
to
all
cells
facile
accessibility.
However,
patient-specific
variables
such
as
age,
sex,
diet,
lifestyle
health
status,
along
with
pre-analytical
conditions
(sample
handling,
storage,
etc.),
can
significantly
affect
metabolomic
measurements
whole
blood,
plasma,
or
serum
studies.
These
factors,
referred
confounders,
must
be
mitigated
reveal
genuine
metabolic
changes
due
illness
intervention
onset.
This
review
aims
aid
metabolomics
researchers
collecting
reliable,
standardized
datasets
NMR-based
(whole/serum/plasma)
metabolomics.
goal
reduce
the
impact
confounding
factors
enhance
inter-laboratory
comparability,
enabling
more
meaningful
outcomes
outlines
main
affecting
metabolite
levels
offers
practical
suggestions
what
measure
expect,
how
mitigate
properly
prepare,
handle
store
biosamples
report
data
targeted
studies
serum.
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Май 16, 2025
To
study
the
differences
in
urine
metabolome
between
pediatric
patients
with
severe
Mycoplasma
pneumoniae
pneumonia
(SMPP)
and
those
general
(GMPP)
via
non-targeted
metabolomics
method,
potential
biomarkers
were
explored
through
machine
learning
(ML)
algorithms.
The
metabonomics
data
of
48
children
SMPP
85
GMPP
collected
high
performance
liquid
chromatography‒mass
spectrometry
(HPLC-MS/MS).
differential
metabolites
two
groups
obtained
principal
component
analysis
(PCA)
partial
least
squares-discriminant
(PLS-DA),
significant
metabolic
pathways
screened
enrichment
analysis.
Potential
identified
using
random
forest
algorithm,
their
relationships
clinical
indicators
subsequently
analyzed.
A
total
136
significantly
samples
from
GMPP.
Of
these,
68
upregulated,
downregulated,
predominantly
belonging
to
amino
acid
group.
6
enriched,
including
Galactose
metabolism,
Pantothenate
CoA
biosynthesis,
Cysteine
methionine
Biotin
Glycine,
serine
threonine
Arginine
biosynthesis.
Three
learning:
3-Hydroxyanthranilic
(3-HAA),
L-Kynurenine,
16(R)-HETE.
area
under
receiver
operating
characteristic
curve
(AUC)
for
this
three-metabolite
panel
was
0.9142.
There
are
great
children,
multiple
being
abnormally
expressed.
have
been
as
early
detection
SMPP.
International Journal of Molecular Sciences,
Год журнала:
2023,
Номер
24(18), С. 14371 - 14371
Опубликована: Сен. 21, 2023
The
global
COVID-19
pandemic
resulted
in
widespread
harms
but
also
rapid
advances
vaccine
development,
diagnostic
testing,
and
treatment.
As
the
disease
moves
to
endemic
status,
need
identify
characteristic
biomarkers
of
for
diagnostics
or
therapeutics
has
lessened,
lessons
can
still
be
learned
inform
biomarker
research
dealing
with
future
pathogens.
In
this
work,
we
test
five
sets
research-derived
against
an
independent
targeted
quantitative
Liquid
Chromatography–Mass
Spectrometry
metabolomics
dataset
evaluate
how
robustly
these
proposed
panels
would
distinguish
between
COVID-19-positive
negative
patients
a
hospital
setting.
We
further
crowdsourced
panel
comprising
most
commonly
mentioned
literature
2020
2023.
best-performing
dataset—measured
by
F1
score
(0.76)
AUROC
(0.77)—included
nine
biomarkers:
lactic
acid,
glutamate,
aspartate,
phenylalanine,
β-alanine,
ornithine,
arachidonic
choline,
hypoxanthine.
Panels
fewer
metabolites
performed
less
well,
showing
weaker
statistical
significance
cohort
than
originally
reported
their
respective
discovery
studies.
Whilst
studies
reviewed
here
were
small
may
subject
confounders,
it
is
desirable
that
resilient
across
cohorts
if
they
are
find
use
clinic,
highlighting
importance
assessing
robustness
reproducibility
analyses
populations.
Scientific Reports,
Год журнала:
2023,
Номер
13(1)
Опубликована: Сен. 13, 2023
The
mechanisms
driving
SARS-CoV-2
susceptibility
remain
poorly
understood,
especially
the
factors
determining
why
unvaccinated
individuals
uninfected
despite
high-risk
exposures.
To
understand
lipid
and
metabolite
profiles
related
with
COVID-19
disease
progression.
We
collected
samples
from
an
exceptional
group
of
healthcare
workers
heavily
exposed
to
but
not
infected
('non-susceptible')
subjects
who
became
during
follow-up
('susceptible'),
including
non-hospitalized
hospitalized
patients
different
severity
providing
at
early
stages.
Then,
we
analyzed
their
plasma
metabolomic
using
mass
spectrometry
coupled
liquid
gas
chromatography.
show
specific
lipids
metabolites
that
could
explain
severity.
More
importantly,
non-susceptible
a
unique
lipidomic
pattern
characterized
by
upregulation
most
lipids,
ceramides
sphingomyelin,
which
be
interpreted
as
markers
low
infection.
This
study
strengthens
findings
other
researchers
about
importance
studying
relevant
pathogenesis.
Clinical Chemistry and Laboratory Medicine (CCLM),
Год журнала:
2023,
Номер
62(4), С. 770 - 788
Опубликована: Ноя. 13, 2023
The
stratification
of
individuals
suffering
from
acute
and
post-acute
SARS-CoV-2
infection
remains
a
critical
challenge.
Notably,
biomarkers
able
to
specifically
monitor
viral
progression,
providing
details
about
patient
clinical
status,
are
still
not
available.
Herein,
quantitative
metabolomics
is
progressively
recognized
as
useful
tool
describe
the
consequences
virus-host
interactions
considering
also
metadata.
Diseases,
Год журнала:
2024,
Номер
12(3), С. 43 - 43
Опубликована: Фев. 23, 2024
The
immune
response
to
infectious
diseases
is
directly
influenced
by
metabolic
activities.
COVID-19
a
disease
that
affects
the
entire
body
and
can
significantly
impact
cellular
metabolism.
Recent
studies
have
focused
their
analysis
on
potential
connections
between
post-infection
stages
of
SARS-CoV2
different
pathways.
spike
S1
antigen
was
found
in
vitro
IgG
antibody
memory
for
PBMCs
when
obtaining
PBMC
cultures
60–90
days
post
infection,
significant
increase
S-adenosyl
homocysteine,
sarcosine,
arginine
detected
mass
spectrometric
analysis.
involvement
these
metabolites
physiological
recovery
from
viral
infections
activity
well
documented,
they
may
provide
new
simple
method
better
comprehend
leukocytes.
Moreover,
there
change
metabolism
tryptophan
urea
cycle
pathways
leukocytes
with
memory.
With
data,
together
results
literature,
it
seems
leukocyte
reprogrammed
after
pathogenesis
activating
certain
amino
acid
pathways,
which
be
related
protective
immunity
against
SARS-CoV2.