Energy Metabolism and Stemness and the Role of Lauric Acid in Reversing 5-Fluorouracil Resistance in Colorectal Cancer Cells
Rina Fujiwara‐Tani,
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Yi Luo,
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Ruiko Ogata
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et al.
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(2), P. 664 - 664
Published: Jan. 14, 2025
While
5-fluorouracil
(5FU)
plays
a
central
role
in
chemotherapy
for
colorectal
cancer
(CRC),
resistance
to
5FU
remains
major
challenge
CRC
treatment,
and
its
underlying
mechanisms
remain
unclear.
In
this
study,
we
investigated
the
relationship
between
acquisition,
stemness,
energy
metabolism.
Among
two
cell
lines,
HT29
cells
exhibited
glycolytic
quiescent
properties,
while
CT26
relied
on
oxidative
phosphorylation
(OXPHOS)
energy.
contrast,
5FU-resistant
sublines
(HT29R
CT26R),
developed
through
continuous
exposure
low
concentrations
of
5FU,
demonstrated
enhanced
stemness.
This
was
associated
with
dominance,
proliferation,
reduced
reactive
oxygen
species
(ROS)
production.
However,
treatment
medium-chain
fatty
acid
lauric
shifted
OXPHOS,
reducing
increasing
ROS
levels,
inducing
death,
therefore
reversing
resistance.
These
findings
suggest
that
an
enhancement
stemness
reprogramming
metabolism
play
key
roles
acquiring
CRC.
reversed
resistance,
further
clinical
studies
are
required.
Language: Английский
Serotonin sets up neutrophil extracellular traps to promote neuroendocrine prostate cancer metastasis in the liver
Journal of Clinical Investigation,
Journal Year:
2025,
Volume and Issue:
135(8)
Published: April 14, 2025
Castration-resistant
prostate
cancer
frequently
metastasizes
to
the
liver,
and
liver
metastases
often
present
a
neuroendocrine
phenotype
(i.e.,
[NEPC]),
but
underlying
molecular
underpinnings
remain
unclear.
In
this
issue
of
JCI,
Liu
et
al.
demonstrate
that
neurotransmitter
serotonin
(also
known
as
5-hydroxytryptamine),
produced
by
NEPC
cells,
gained
access
activated
neutrophils
modifying
histone
3
(H3)
form
neutrophil
extracellular
traps,
which
in
turn
promoted
macrometastases
liver.
The
study
suggests
blocking
transport
inhibiting
enzymes
catalyze
serotonin-mediated
H3
modifications
may
represent
alternative
approaches
treating
metastases.
Language: Английский