Automated Diagnosis and Phenotyping of Tuberculosis Using Serum Metabolic Fingerprints
Advanced Science,
Journal Year:
2024,
Volume and Issue:
11(39)
Published: Aug. 19, 2024
Abstract
Tuberculosis
(TB)
stands
as
the
second
most
fatal
infectious
disease
after
COVID‐19,
effective
treatment
of
which
depends
on
accurate
diagnosis
and
phenotyping.
Metabolomics
provides
valuable
insights
into
identification
differential
metabolites
for
However,
TB
phenotyping
remain
great
challenges
due
to
lack
a
satisfactory
metabolic
approach.
Here,
metabolomics‐based
diagnostic
method
rapid
detection
is
reported.
Serum
fingerprints
are
examined
via
an
automated
nanoparticle‐enhanced
laser
desorption/ionization
mass
spectrometry
platform
outstanding
by
its
speed
(measured
in
seconds),
minimal
sample
consumption
(in
nanoliters),
cost‐effectiveness
(approximately
$3).
A
panel
14
m
z
−1
features
identified
biomarkers
4
Based
acquired
biomarkers,
models
constructed
through
advanced
machine
learning
algorithms.
The
robust
model
yields
97.8%
(95%
confidence
interval
(CI),
0.964‐0.986)
area
under
curve
(AUC)
85.7%
CI,
0.806‐0.891)
AUC
In
this
study,
serum
biomarker
panels
revealed
develop
tool
with
desirable
performance
phenotyping,
may
expedite
implementation
end‐TB
strategy.
Language: Английский
Porous PtCu Alloys Decode Plasma Metabolic Fingerprints for the Recognition of Severe Community‐Acquired Pneumonia
Advanced Healthcare Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 3, 2025
Abstract
Rapid
and
accurate
recognition
of
severe
community‐acquired
pneumonia
(CAP)
would
facilitate
the
optimal
intervention.
Currently,
diagnosis
CAP
is
commonly
based
on
criteria
established
by
Infectious
Disease
Society
America
(IDSA)/American
Thoracic
(ATS),
which
include
2
primary
9
secondary
criteria,
making
process
cumbersome
time‐consuming.
Here,
a
porous
PtCu
alloy‐assisted
laser
desorption/ionization
mass
spectrometry
(LDI
MS)
designed
for
extraction
plasma
metabolic
fingerprints
(PMFs),
coupling
with
machine
learning
CAP.
The
alloys
particle
size
exhibit
excellent
sensitivity,
reproducibility,
universality
metabolite
detection,
due
to
structure,
promising
photoelectric
effect,
improved
melting
surface
structure.
Further,
nanoplatform
successfully
records
PMFs
within
seconds,
using
only
0.5
µL
native
plasma.
Machine
69
individuals
produces
diagnostic
model
an
area
under
curve
(AUC)
0.832.
Particularly,
three
biomarker
panel
demonstrates
enhanced
efficiency
(AUC
0.846),
outperforming
reported
biomarkers
0.560–0.770).
Notably,
can
be
completed
in
≈35
min.
work
affords
rapid
precise
method
management
through
analysis.
Language: Английский
Single Test‐Based Diagnosis and Subtyping of Pulmonary Hypertension Caused by Fibrosing Mediastinitis Using Plasma Metabolic Analysis
Yating Zhao,
No information about this author
Chunmeng Ding,
No information about this author
Hongling Su
No information about this author
et al.
Advanced Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 6, 2025
Pulmonary
hypertension
(PH)
often
leads
to
poor
survival
outcomes
and
encompasses
diverse
subtypes
with
distinct
underlying
causes.
Specifically,
PH
resulting
from
fibrosing
mediastinitis
(FM-PH)
presents
significant
diagnostic
challenges
due
nonspecific
symptoms
overlap
of
clinical
characterization
other
subtypes,
leading
frequent
misdiagnosis
delayed
treatment.
Moreover,
the
complex
procedures
impose
a
burden
on
FM-PH
patients,
many
whom
already
experience
mobility
difficulties.
This
study
represents
single
test-based
diagnosis
FM-PH,
using
plasma
metabolites
obtained
through
ferric
particle-enhanced
laser
desorption/ionization
mass
spectrometry
analysis.
Distinct
metabolic
alterations
in
are
identified
compared
healthy
controls
achieving
an
area
under
curve
(AUC)
0.987
for
0.728
differentiating
subtypes.
By
addressing
existing
gaps
strategies,
this
research
highlights
potential
analysis
elucidating
landscape
PH.
Language: Английский
Fast Screening of Tuberculosis Patients Based on Analysis of Plasma by Infrared Spectroscopy Coupled with Machine Learning Approaches
ACS Omega,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 20, 2025
Prompt
diagnosis
of
tuberculosis
(TB)
enables
timely
treatment,
limiting
spread
and
improving
public
health
for
this
disease.
Currently,
a
rapid,
sensitive,
accurate,
cost-effective
detection
TB
still
remains
challenge.
For
purpose,
we
engaged
transmission
skill
an
attenuated
total
reflectance
(ATR)
technique
coupled
with
Fourier-transform
infrared
spectrometry
(FTIR)
to
study
the
IR
spectra
plasma
samples
from
patients
(n
=
10)
healthy
individuals
10).
To
ensure
high-quality
spectral
data,
were
collected
in
both
ATR
modes,
each
measurement
consisting
256
scans
at
resolution
8
cm–1.
mode,
measurements
repeated
five
times
per
sample,
while
ATR-FTIR
three
sample.
These
parameters
carefully
optimized
through
rigorous
testing
achieve
highest
possible
signal-to-noise
ratio
patient
sample
analysis.
Using
method,
obtained
100
20
mode
60
ensuring
sufficient
data
robust
Further,
applied
machine
learning
techniques
analyze
classify
spectra;
by
means,
differentiated
those
between
ones.
In
work,
modified
transmission-FTIR
setup
improve
absorption
sensitivity
focusing
light
on
interface
sample;
while,
used
high-refractive-index
crystal
ZnSe
as
medium
reflect
signals
scheme.
Routinely,
compared
methods;
their
second
derivative
curves,
notified
that
there
had
distinct
differences
protein
lipid
regions
(3500–3000,
2900–2800,
1700–1500
cm–1)
groups.
classifiers─Logistic
Regression
(LR),
Random
Forest
(RF),
XGBoost
(Xg)─we
found
Xg
achieved
accuracy
0.749,
precision
0.703,
recall
0.901,
F1
score
0.790,
AUC
ROC
curve
0.82
3500–2700
cm–1
region;
additionally,
practice
showed
possessed
performance
∼
80%
accuracy.
We
randomly
assigned
participants
(rather
than
individual
scans)
training
20%
test
sets
train
validate
models
(LR,
RF,
Xg).
Based
results,
concluded
spectroscopic
method
demonstrated
its
superior
diagnosis.
Thus,
have
absorption-FTIR
spectroscopy
is
valuable
tool
sorting
disease
patients.
The
analysis
plasmas
can
complement
clinical
evidence
provides
rapid
accurate
clinic.
Language: Английский