bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Aug. 16, 2023
ABSTRACT
Metabolomics
is
an
important
approach
for
studying
complex
biological
systems.
Quantitative
liquid
chromatography-mass
spectrometry
(LC-MS)-based
metabolomics
becoming
a
mainstream
strategy
but
presents
several
technical
challenges
that
limit
its
widespread
use.
Computing
metabolite
concentrations
using
standard
curves
generated
from
mixtures
of
known
labor-intensive
process
which
often
performed
manually.
Currently,
there
are
few
options
open-source
software
tools
can
automatically
calculate
concentrations.
Herein,
we
introduce
SCALiR
(Standard
Curve
Application
determining
Linear
Ranges),
new
web-based
tool
specifically
built
this
task,
allows
users
to
transform
LC-MS
signal
data
into
absolute
quantitative
(
https://www.lewisresearchgroup.org/software
).
The
algorithm
used
in
finds
the
equation
line
best
fit
each
curve
and
uses
compound
their
signal.
Using
mix
containing
77
metabolites,
found
excellent
correlation
between
calculated
by
expected
(R
2
=
0.99)
reproducibly
mid-range
standards
across
ten
analytical
batches
(average
coefficient
variation
0.091).
offers
advantages,
including
it
(1)
vendor
agnostic;
(2)
requires
only
10
seconds
analysis
time
compute
>75
compounds;
(3)
facilitates
automation
workflows;
(4)
performs
deterministic
evaluation
quantification
limits.
provides
community
with
simple
rapid
enables
rigorous
reproducible
studies.
Signal Transduction and Targeted Therapy,
Journal Year:
2023,
Volume and Issue:
8(1)
Published: March 22, 2023
Abstract
Tumour
cells
have
exquisite
flexibility
in
reprogramming
their
metabolism
order
to
support
tumour
initiation,
progression,
metastasis
and
resistance
therapies.
These
reprogrammed
activities
include
a
complete
rewiring
of
the
bioenergetic,
biosynthetic
redox
status
sustain
increased
energetic
demand
cells.
Over
last
decades,
cancer
field
has
seen
an
explosion
new
biochemical
technologies
giving
more
tools
than
ever
before
navigate
this
complexity.
Within
cell
or
tissue,
metabolites
constitute
direct
signature
molecular
phenotype
thus
profiling
concrete
clinical
applications
oncology.
Metabolomics
fluxomics,
are
key
technological
approaches
that
mainly
revolutionized
enabling
researchers
both
qualitative
mechanistic
model
cancer.
Furthermore,
upgrade
from
bulk
single-cell
analysis
provided
unprecedented
opportunity
investigate
biology
at
cellular
resolution
allowing
depth
quantitative
complex
heterogenous
diseases.
More
recently,
advent
functional
genomic
screening
allowed
identification
pathways,
processes,
biomarkers
novel
therapeutic
targets
concert
with
other
allow
patient
stratification
treatment
regimens.
This
review
is
intended
be
guide
for
metabolism,
highlighting
current
emerging
technologies,
emphasizing
advantages,
disadvantages
potential
leading
development
innovative
anti-cancer
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(10), P. 4596 - 4596
Published: May 11, 2025
This
pilot
study
investigated
the
effects
of
a
reduced
sulfur
(RS)
diet
on
gut
microbiome
composition
and
fecal
metabolome
in
individuals
with
remitted
or
active
ulcerative
colitis
(UC).
Thirteen
participants
maintained
their
habitual
(control),
while
nine
followed
an
RS
for
eight
weeks
(Wk8).
Stool
plasma
samples
were
collected
at
baseline
Wk8.
The
intake
decreased
group
(−28
g/1000
kcal)
versus
control
(−1.7
kcal;
p
<
0.001).
exhibited
significant
decrease
lipopolysaccharide-binding
protein
(−5280
ng/mL),
these
levels
increased
(620
ng/mL;
0.05).
analysis
showed
alpha
diversity
Wk8
(p
0.01),
suggesting
microbial
shift
intake.
metabolic
alterations
indicated
enhanced
nitrogen
disposal
(increased
uric
acid,
methyluric
N-acetyl-L-glutamate)
higher
energy
demand
(elevated
ubiquinol
glucose-pyruvate).
beneficial
microbes
Collinsella
stercoris,
Asaccharobacter
celatus,
Alistipes
finegoldii,
decreasing
pathobionts
Eggerthella
lenta
Romboutsia
ilealis.
Methyluric
acid
correlated
positively
C.
stercoris
(β
=
0.70)
negatively
E.
−0.77)
utilized
this
metabolite
influenced
composition.
In
conclusion,
promoted
diversity,
adaptations,
inflammation,
highlighting
its
potential
as
novel
strategy
UC
management.
Analytical Chemistry,
Journal Year:
2024,
Volume and Issue:
96(17), P. 6566 - 6574
Published: April 20, 2024
Quantitative
liquid
chromatography-mass
spectrometry
(LC-MS)-based
metabolomics
is
becoming
an
important
approach
for
studying
complex
biological
systems
but
presents
several
technical
challenges
that
limit
its
widespread
use.
Computing
metabolite
concentrations
using
standard
curves
generated
from
mixtures
of
known
a
labor-intensive
process
often
performed
manually.
Currently,
there
are
few
options
open-source
software
tools
can
automatically
calculate
concentrations.
Herein,
we
introduce
SCALiR
(standard
curve
application
determining
linear
ranges),
new
web-based
tool
specifically
built
this
task,
which
allows
users
to
transform
LC-MS
signals
into
absolute
quantitative
data
(https://www.lewisresearchgroup.org/software).
uses
algorithm
finds
the
equation
line
best
fit
each
and
compound
signal.
Using
mix
containing
77
metabolites,
show
close
correlation
between
calculated
by
expected
(
Gut Microbes,
Journal Year:
2023,
Volume and Issue:
15(2)
Published: Dec. 11, 2023
Gut
bacteria
provide
benefits
to
the
host
and
have
been
implicated
in
inflammatory
bowel
disease
(IBD),
where
adherent-invasive
E.
coli
(AIEC)
pathobionts
(e.g.,
strain
LF82)
are
associated
with
Crohn's
disease.
coli-LF82
causes
fragmentation
of
epithelial
mitochondrial
network,
leading
increased
permeability.
We
hypothesized
that
butyrate
would
limit
disruption
caused
by
coli-LF82.
Human
colonic
organoids
T84
cell
line
infected
(MOI
=
100,
4
h)
showed
a
significant
increase
network
fission
was
reduced
(10
mM)
co-treatment.
Butyrate
loss
membrane
potential
expression
PGC-1α
mRNA,
master
regulator
biogenesis.
Metabolomics
revealed
significantly
altered
central
carbon
metabolism
diminished
glucose
uptake
succinate
secretion.
Correlating
preservation
form/function,
transcytosis
across
T84-cell
monolayers.
The
use
G-protein
inhibitor,
pertussis
toxin,
GPCR
signaling
as
critical
effect
butyrate,
free
fatty
acid
receptor
three
(FFAR3,
GPR41)
agonist,
AR420626,
reproduced
butyrate's
terms
ameliorating
barrier
function
reducing
observed
T84-cells
organoids.
These
data
indicate
helps
maintain
form/function
when
challenged
this
occurs,
at
least
part,
via
FFAR3.
Thus,
butyrate-producing
IBD
context
contribute
functions
could
evoke
and/or
exaggerate
low-grade
inflammation.
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(8), P. 7323 - 7323
Published: April 15, 2023
Diet
influences
the
pathogenesis
and
clinical
course
of
inflammatory
bowel
disease
(IBD).
The
Mediterranean
diet
(MD)
is
linked
to
reductions
in
biomarkers
alterations
microbial
taxa
metabolites
associated
with
health.
We
aimed
identify
features
gut
microbiome
that
mediate
relationship
between
MD
fecal
calprotectin
(FCP)
ulcerative
colitis
(UC).
Weighted
gene
co-expression
network
analysis
(WGCNA)
was
used
modules
co-abundant
correlated
FCP.
considered
were
taxa,
serum
metabolites,
dietary
components,
short-chain
fatty
acid
bile
profiles
participants
experienced
an
increase
(n
=
13)
or
decrease
FCP
16)
over
eight
weeks.
WGCNA
revealed
ten
containing
sixteen
key
acted
as
mediators
Three
(Faecalibacterium
prausnitzii,
Dorea
longicatena,
Roseburia
inulinivorans)
a
cluster
four
(benzyl
alcohol,
3-hydroxyphenylacetate,
3-4-hydroxyphenylacetate
phenylacetate)
demonstrated
strong
mediating
effect
(ACME:
-1.23,
p
0.004).
This
study
identified
novel
association
diet,
inflammation
microbiome,
providing
new
insights
into
underlying
mechanisms
how
may
influence
IBD.
See
clinicaltrials.gov
(NCT04474561).
Frontiers in Endocrinology,
Journal Year:
2023,
Volume and Issue:
14
Published: March 23, 2023
Type
2
diabetes
mellitus
(T2DM),
a
major
driver
of
mortality
worldwide,
is
more
likely
to
develop
other
cardiometabolic
risk
factors,
ultimately
leading
diabetes-related
mortality.
Although
set
measures
including
lifestyle
intervention
and
antidiabetic
drugs
have
been
proposed
manage
T2DM,
problems
associated
with
potential
side-effects
drug
resistance
are
still
unresolved.
Pharmacomicrobiomics
an
emerging
field
that
investigates
the
interactions
between
gut
microbiome
response
variability
or
toxicity.
In
recent
years,
increasing
evidence
supports
microbiome,
as
second
genome,
can
serve
attractive
target
for
improving
efficacy
safety
by
manipulating
its
composition.
this
review,
we
outline
different
composition
in
T2DM
highlight
how
these
microbiomes
actually
play
vital
role
development.
Furthermore,
also
investigate
current
state-of-the-art
knowledge
on
pharmacomicrobiomics
microbiome's
modulating
drugs,
well
provide
innovative
personalized
treatments,
approaches
predicting
treatment
improve
reduce