Metabolites,
Journal Year:
2023,
Volume and Issue:
13(3), P. 331 - 331
Published: Feb. 23, 2023
The
small
molecule
citrate
is
a
key
that
synthesized
de
novo
and
involved
in
diverse
biochemical
pathways
influencing
cell
metabolism
function.
Citrate
highly
abundant
the
circulation,
cells
take
up
extracellular
via
sodium-dependent
plasma
membrane
transporter
NaCT
encoded
by
SLC13A5
gene.
critical
to
maintaining
metabolic
homeostasis
impaired
activity
implicated
disorders.
Though
one
of
best
known
most
studied
metabolites
humans,
little
about
consequences
altered
uptake
metabolism.
Here,
we
review
recent
findings
on
SLC13A5,
NaCT,
discuss
effects
SLC13A5-dependent
phenotypes.
We
“multiple-hit
theory”
how
stress
factors
induce
reprogramming
may
synergize
with
alter
fate
Furthermore,
underline
compartmentalization
can
be
quantified
combining
mass
spectrometry
tracing
approaches.
also
species-specific
differences
potential
therapeutic
implications
NaCT.
Understanding
synergistic
impact
multiple
help
decipher
disease
mechanisms
associated
transport
Cancers,
Journal Year:
2024,
Volume and Issue:
16(3), P. 504 - 504
Published: Jan. 24, 2024
Aerobic
glycolysis
in
cancer
cells,
originally
observed
by
Warburg
100
years
ago,
which
involves
the
production
of
lactate
as
end
product
glucose
breakdown
even
presence
adequate
oxygen,
is
foundation
for
current
interest
cancer-cell-specific
reprograming
metabolic
pathways.
The
renewed
cell
metabolism
has
now
gone
well
beyond
original
effect
related
to
other
pathways
that
include
amino
acid
metabolism,
one-carbon
pentose
phosphate
pathway,
nucleotide
synthesis,
antioxidant
machinery,
etc.
Since
and
acids
constitute
primary
nutrients
fuel
altered
transporters
mediate
transfer
these
their
metabolites
not
only
across
plasma
membrane
but
also
mitochondrial
lysosomal
membranes
have
become
an
integral
component
expansion
effect.
In
this
review,
we
focus
on
interplay
between
facilitates
reprogramming,
a
hallmark
cells.
beneficial
outcome
recent
understanding
unique
signature
surrounding
identification
novel
drug
targets
development
new
generation
therapeutics
treat
cancer.
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(3), P. 993 - 993
Published: Jan. 24, 2025
Telomeres
protect
chromosome
ends
from
damage,
but
they
shorten
with
each
cell
division
due
to
the
limitations
of
DNA
replication
and
are
further
affected
by
oxidative
stress.
This
shortening
is
a
key
feature
aging,
telomerase,
an
enzyme
that
extends
telomeres,
helps
mitigate
this
process.
Aging
also
associated
mitochondrial
dysfunction,
leading
increased
reactive
oxygen
species
(ROS)
exacerbate
cellular
damage
promote
apoptosis.
Elevated
ROS
levels
can
telomeres
oxidizing
guanine
disrupting
their
regulation.
Conversely,
telomere
impacts
function,
activation
telomerase
has
been
shown
reverse
decline.
A
critical
link
between
dysfunction
response,
which
activates
tumor
suppressor
protein
p53,
resulting
in
reduced
biogenesis
metabolic
disruptions.
highlights
bidirectional
relationship
maintenance
function.
review
explores
complex
interactions
mitochondria
across
various
types,
fibroblasts
sperm
cells,
shedding
light
on
interconnected
mechanisms
underlying
aging
International Journal of Molecular Sciences,
Journal Year:
2022,
Volume and Issue:
23(7), P. 3652 - 3652
Published: March 26, 2022
Recent
mouse
model
experiments
support
an
instrumental
role
for
senescent
cells
in
age-related
diseases
and
may
be
causal
to
certain
pathologies.
A
strongly
supported
hypothesis
is
that
extranuclear
chromatin
recognized
by
the
cyclic
GMP-AMP
synthase-stimulator
of
interferon
genes
pathway,
which
turn
leads
induction
several
inflammatory
cytokines
as
part
senescence-associated
secretory
phenotype.
This
sterile
inflammation
increases
with
chronological
age
age-associated
disease.
More
recently,
intracellular
extracellular
metabolic
changes
have
been
described
but
it
not
clear
whether
any
them
functional
significance.
In
this
review,
we
highlight
potential
effect
dietary
metabolites
modulation
phenotype
addition
discussing
how
experimental
conditions
influence
cell
metabolism,
especially
energy
regulation.
Finally,
citrate
accumulates
following
types
senescence,
focus
on
recently
reported
aging
We
propose
active
component
via
its
intake
through
diet
even
contribute
cause
FEBS Journal,
Journal Year:
2024,
Volume and Issue:
291(8), P. 1699 - 1718
Published: Jan. 20, 2024
Over
the
years,
pancreatic
cancer
has
experienced
a
global
surge
in
incidence
and
mortality
rates,
largely
attributed
to
influence
of
obesity
diabetes
mellitus
on
disease
initiation
progression.
In
this
study,
we
investigated
pathogenesis
mice
subjected
high-fat
diet
(HFD)
observed
an
increase
citric
acid
expenditure.
Notably,
citrate
treatment
demonstrates
significant
efficacy
promoting
tumor
cell
apoptosis,
suppressing
proliferation,
inhibiting
growth
vivo.
Our
investigations
revealed
that
achieved
these
effects
by
releasing
secreted
protein
acidic
rich
cysteine
(SPARC)
proteins,
repolarizing
M2
macrophages
into
M1
macrophages,
facilitating
apoptosis.
Overall,
our
research
highlights
critical
role
as
pivotal
metabolite
intricate
relationship
between
cancer.
Furthermore,
uncovered
metabolic
immune
checkpoint
function
SPARC
cancer,
suggesting
its
potential
both
biomarker
therapeutic
target
treating
patient
population.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: March 23, 2024
Abstract
As
the
most
malignant
tumor,
prognosis
of
pancreatic
cancer
is
not
ideal
even
in
small
number
patients
who
can
undergo
radical
surgery.
a
highly
heterogeneous
chemotherapy
resistance
major
factor
leading
to
decreased
efficacy
and
postoperative
recurrence
cancer.
In
this
study,
nuclear
magnetic
resonance
(NMR)-based
metabolomics
was
applied
identify
serum
metabolic
characteristics
ductal
adenocarcinoma
(PDAC)
screen
potential
biomarkers
for
its
diagnosis.
Metabolic
changes
with
different
CA19-9
levels
during
were
also
monitored
compared
differential
metabolites
that
may
affect
chemotherapy.
Finally,
19
screened
serve
diagnosis
PDAC,
significant
differences
between
two
stratifications
PDAC
involved
energy
metabolism,
lipid
amino
acid
citric
metabolism.
Enrichment
analysis
pathways
revealed
six
shared
by
such
as
alanine,
aspartate
glutamate
arginine
biosynthesis,
glutamine
citrate
cycle,
pyruvate
glycogolysis/gluconeogeneis.
The
similarity
responses
provided
reference
clinical
prediction
benefits
patients.
Cancers,
Journal Year:
2025,
Volume and Issue:
17(3), P. 553 - 553
Published: Feb. 6, 2025
Background:
Soft
tissue
sarcomas
(STSs)
are
rare,
highly
malignant
mesenchymal
tumours,
comprising
approximately
1%
of
all
adult
cancers
and
about
15%
paediatric
solid
tumours.
STSs
exhibit
considerable
genomic
complexity
with
diverse
subtypes,
posing
significant
clinical
challenges.
Objectives:
This
study
aims
to
characterise
the
molecular
signature
primary
STS
through
liquid
biopsies
untargeted
metabolomic
profiling
75
patients,
providing
deep
insights
into
cellular
processes
potential
therapeutic
targets.
Methods:
analysed
serum
samples
using
nuclear
magnetic
resonance
(NMR)
spectroscopy
for
profiling.
Multivariate
data
analysis
machine
learning
classifiers
were
employed
identify
biomarkers.
Results:
A
panel
eleven
deregulated
metabolites
discovered
in
patients
STS,
implications
cancer
diagnosis
treatment.
Conclusions:
Choline
decrease
emerged
as
a
marker
progression,
highlighting
targeting
its
metabolism
approaches
STS.
The
NMR
protocol
proved
effective
determining
circulating
biomarkers
from
biopsies,
making
it
suitable
rare
disease
research.
Journal of Proteome Research,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 25, 2025
Meningioma,
the
most
prevalent
brain
tumor,
poses
significant
challenges
due
to
its
unclear
transition
from
low-grade
aggressive
forms,
with
limited
knowledge
about
grade-specific
markers.
We
have
utilized
vibrational
spectroscopic
techniques
such
as
ATR-FTIR
and
Raman
spectroscopy,
alongside
LC-MS/MS-based
mass
spectrometry
understand
systemic
cues
evaluate
them
for
clinical
practice.
The
acquired
spectra
of
46
meningioma
patients
(27
19
high-grade)
8
healthy
individuals
revealed
98.15%
83.33%
accuracy
based
on
PC-LDA.
grade
classification
an
around
70%,
implying
presence
subtypes
phases.
observed
alterations
corresponded
lipids,
nucleic
acids,
proteins.
Further,
study
identified
different
derivatives
cholines,
indoles,
sphingosine,
tryptophan,
their
respective
metabolic
pathways
contributors
in
tumorigenesis
progression.
PRM-based
targeted
validation
feature
selection
was
carried
out
43
17
controls.
Glycochenodeoxycholic
acid,
indole-3-acetic
trans-3-indoleacrylic
glycodeoxycholic
5α-dihydrotestosteroneglucornide,
glycocholic
acid
segregated
samples
90%
while
features
like
stercobilin,
sphingosine-1-phosphate,
deoxycholic
citric
could
classify
grades
70%
accuracy.
These
findings
suggest
that
further
across
larger
cohorts
enhance
usage
settings.
Metabolites,
Journal Year:
2025,
Volume and Issue:
15(4), P. 244 - 244
Published: April 2, 2025
Background:
The
cell-free
DNA
(cfDNA)
is
an
extracellular
fragmented
found
in
body
fluids
physiological
and
pathophysiological
contexts.
In
cancer,
cfDNA
has
been
pointed
out
as
a
marker
for
disease
diagnosis,
staging,
prognosis;
however,
little
known
about
its
biological
role.
Methods:
role
of
released
by
ES-2
ovarian
cancer
cells
was
investigated,
along
with
the
impact
glucose
bioavailability
culture
duration
cfDNA-induced
phenotype.
effect
on
cell
proliferation
evaluated
curves,
migration
assessed
through
wound
healing.
We
explored
different
variants
cells’
metabolic
profile
using
nuclear
magnetic
resonance
(NMR)
spectroscopy
cisplatin
resistance
flow
cytometry.
Moreover,
we
protein
levels
DNA-sensitive
Toll-like
receptor
9
(TLR9)
immunofluorescence
colocalization
lysosome-associated
membrane
1
(LAMP1).
Results:
This
study
demonstrated
that
despite
inducing
similar
effects,
promote
effects
derived
from
line.
observed
instant
reactions
adopting
brings
back
functioning
more
favorable
conditions
supporting
resembling
origin
variant,
unselected
cells.
However,
long-term
selective
factor,
certain
induced
quiescence
favors
chemoresistance
subset
Conclusions:
Therefore,
tumoral
microenvironments
may
generate
will
differently,
orchestrating
fate.