SSRN Electronic Journal,
Journal Year:
2022,
Volume and Issue:
unknown
Published: Jan. 1, 2022
Colorectal
cancer
(CRC)
is
one
of
the
malignant
tumors
with
high
incidence,
and
mainly
treated
by
chemotherapy
at
present.
However,
during
CRC
treatment,
long-term
use
traditional
chemotherapeutic
drugs
will
reduce
sensitivity
chemotherapy.
Our
previous
studies
have
shown
that
Rauvolfia
vomitoria
total
alkaloids
(RVA)
played
an
important
role
in
5-fluorouracil
(5-FU)chemosensitization
therapy,
but
its
intervention
mechanism
has
not
been
clarified
completely
metabolic
level.
Therefore,
this
study,
LC-MS
based
metabolomics
was
employed
to
explore
5-FU
chemosensitization
induced
combination
RVA
conventional
5-FUTo
evaluate
effects
RVA,
serum
samples
were
collected
from
control
group,
treatment
low-dose
high-dose
combined
group
respectively.
Serum
analyzed
HPLC-Q-Exactive
Orbitrap/MS,
metabolites
identified
HMDB
database.
After
multivariate
statistical
analysis
identification,
33
differential
between
among
which
glycerophospholipid
pathway
pentose
glucuronate
interconversions
mostly
affected.
These
results
suggest
may
sensitize
drug
exert
anti-tumor
activity
through
influencing
glycerophosphplipid
metabolism
cell
energy
metabolism.
Metabolomics
provided
a
new
insight
into
estimate
therapeutic
effect
dissection
potential
mechanisms
Chinese
medicine
treating
colorectal
cancer.
Cancer & Metabolism,
Journal Year:
2022,
Volume and Issue:
10(1)
Published: Dec. 6, 2022
Protein
arginine
methyltransferase
5
(PRMT5)
is
upregulated
in
multiple
tumors
and
plays
a
pivotal
role
cancer
cell
proliferation.
However,
the
of
PRMT5
colorectal
remains
poorly
understood.
We
detected
expression
level
glycolytic
enzymes
using
online
databases
lines
by
immunohistochemical
staining,
quantitative
real-time
polymerase
chain
reaction
(qRT-PCR),
western
blotting.
And
MTT
colony
formation
assays
were
conducted
to
investigate
Then,
we
evaluated
ECAR
OCR
levels
biological
energy
analyzer
status
cancer,
transcriptional
regulation
was
dual
luciferase
reporter
assay
ChIP
assay.
Finally,
efficacy
combined
treatment
tadalafil
5-FU
verified.
highly
expressed
tissues
compared
with
their
normal
counterparts
correlated
poor
prognosis
CRC
patients.
demonstrated
that
knockdown
or
loss
function
attenuated
viability
cells,
while
overexpression
promoted
Mechanistically,
enhanced
glycolysis
through
transcriptionally
activating
LDHA
expression.
In
addition,
inhibitor,
tadalafil,
rendered
cells
sensitive
antitumor
agent
vitro
vivo.
Our
data
indicates
proliferation
partially
may
be
potential
target
for
therapy.
Animals,
Journal Year:
2023,
Volume and Issue:
13(8), P. 1300 - 1300
Published: April 11, 2023
Dietary
changes
are
inevitable
for
pets,
yet
little
is
known
about
the
impact
of
different
dietary
change
methods
on
gastrointestinal
response.
The
current
comparative
study
evaluated
effects
diarrheal
symptoms,
fecal
fermentation
characteristics,
microbiota,
and
metabolic
profile
healthy
puppies.
A
total
13
beagle
puppies
were
randomly
divided
into
two
groups;
in
abrupt
(AC)
group
given
260
g
a
chicken-
duck-based
extruded
diet
(CD)daily
one-week
transition
period,
whereas
gradual
(GT)
fed
according
to
ratio
salmon-based
(SA)
CD
diets
with
difference
40
per
day
seven
consecutive
days.
Serum
samples
collected
D7,
D0
D7.
results
indicated
that
GT
reduced
incidence
diarrhea
throughout
trial
period.
had
no
influence
serum
inflammatory
factors
or
SCFAs,
but
isovaleric
acid
was
significantly
after
GT.
Meanwhile,
16S
rRNA
sequencing
showed
microbiota
changed
changes.
Compared
bacterial
AC,
relative
abundances
beneficial
bacteria
(i.e.,
Turicibacter
Faecalibacterium)
feces
increased
Additionally,
both
AC
caused
amino
metabolism,
while
also
altered
lipid
metabolism.
histamine
spermine
concentrations,
decreased
concentrations
metabolites
such
as
5-hydroxyindoleacetic
serotonin.
Our
findings
most
likely
rate
by
modulating
composition
metabolism
gut
microbiota.
Heliyon,
Journal Year:
2023,
Volume and Issue:
10(1), P. e23867 - e23867
Published: Dec. 19, 2023
Metabolic
reprogramming
is
an
essential
hallmark
of
cancer.
Several
studies
have
reported
the
dysregulation
acylcarnitine
(ACar)
metabolism
in
tumor
cells,
suggesting
that
changes
blood
ACar
may
be
related
to
growth.
Accordingly,
this
study
aimed
understand
alteration
serum
profiles
various
solid
tumors
and
explore
potential
differential
ACars
as
diagnostic
biomarkers.
A
series
69
relatively
abundant
were
identified
via
untargeted
analysis.
Then,
targeted
metabolomics
was
used
describe
metabolic
alterations
between
normal
controls
patients
with
six
types
tumors.
The
results
suggested
correlated
their
carbon
chain
length
saturation.
had
highly
similar
profiles,
indicating
fatty
acid
oxidation
(FAO)
pathways.
Moreover,
receiver
operating
curve
analysis
showed
16
(C8-C14)
high
capability
towards
studied
Specifically,
area
under
10:2
isomer2
12:2
greater
than
0.95.
In
conclusion,
marked
decrease
levels
medium-
long-chain
(C8-C18)
suggests
they
FAO-based
pathways,
which
could
afford
a
common
target
for
cancer
therapy.
Additionally,
biomarkers
diagnosing
Nanoscale Advances,
Journal Year:
2024,
Volume and Issue:
6(23), P. 5949 - 5959
Published: Jan. 1, 2024
Patients
benefit
greatly
from
early
detection
of
colorectal
cancer,
but
present
diagnostic
procedures
have
high
costs,
low
sensitivity,
and
specificity.
However,
it
is
still
difficult
to
develop
a
strategy
that
can
effectively
detect
cancer
using
high-throughput
blood
analysis.
Fano
resonance-boosted
SERS
platform
label-free
serum
creates
an
effective
system
at
the
point
care.
We
obtained
220
high-quality
spectral
datasets
88
healthy
volunteers
132
patients
with
cancer.
The
biomarker
detected
in
was
further
evaluated
100
tissues
adjacent
normal
intestinal
collected
West
China
Biobanks,
Hospital,
Sichuan
University.
results
showed
97
out
paired
samples,
biomarkers
were
successfully
platform.
This
demonstrates
resonance-based
highly
for
diagnosing
Biomedical Reports,
Journal Year:
2023,
Volume and Issue:
18(5)
Published: April 6, 2023
Systemic
chemotherapy,
the
standard
first-line
treatment
option
for
patients
with
advanced
oesophageal
squamous
cell
carcinoma
(OSCC),
results
in
a
median
survival
of
~1
year.
Immune
checkpoint
inhibitors
are
breakthrough
oncology
option;
however,
most
OSCC
develop
primary
and
acquired
resistance
to
programmed
death
receptor-1
(PD-1)
monoclonal
antibody,
severely
affecting
their
prognosis.
Therefore,
there
is
an
urgent
need
investigate
molecular
mechanism
underlying
treatment.
The
present
study
aimed
explore
PD-1
antibody.
Plasma
samples
were
collected
from
treated
immunotherapy,
who
achieved
pathological
response/partial
response
(CR/PR)
or
stable
disease/progressive
disease
(SD/PD)
after
fourth
cycle.
TM-widely
targeted
metabolomics,
widely
lipidomics,
DIA
proteomics
assays
performed.
Differential
metabolites
screened
based
on
fold
change
(FC)
≥1.5
≤0.67
VIP
≥1;
differential
proteins
FC
>1.5
<0.67
P<0.05.
identified
annotated
mapped
using
Kyoto
Encyclopedia
Genes
Genomes
(KEGG)
pathway
databases.
Gene
Ontology
KEGG
A
correlation
network
diagram
was
drawn
expressed
(Pearson
coefficient)
r>0.80
Finally,
197
113
screened,
respectively,
CR/PR
SD/PD
groups.
enrichment
analysis
revealed
that
all
these
enriched
cholesterol
metabolism
NF-κB
phospholipase
D
signalling
pathways.
first
demonstrate
inhibitor
may
be
attributed
activation.
This
finding
suggests
targeting
pathways
promising
novel
therapeutic
approach
which
improve
prognosis
undergoing
immunotherapy.
Translational Cancer Research,
Journal Year:
2024,
Volume and Issue:
13(7), P. 3522 - 3535
Published: July 1, 2024
Despite
evidence
suggesting
a
significant
role
of
pyruvate
kinase
muscle
isozyme
(PKM)
in
cancer
development,
its
particular
function
colorectal
(CRC)
remains
unclear.
This
study
aimed
to
elucidate
the
specific
and
mechanism
PKM
isoforms,
PKM1
PKM2,
progression
CRC.
Frontiers in Oncology,
Journal Year:
2022,
Volume and Issue:
12
Published: Aug. 1, 2022
Metabolic
reprogramming
plays
a
critical
role
in
colorectal
cancer
(CRC).
It
contributes
to
CRC
by
shaping
metabolic
phenotypes
and
causing
uncontrolled
proliferation
of
cells.
Glucose
is
common
carcinogenesis
progression.
Growing
evidence
has
implicated
the
modifying
effects
non-coding
RNAs
(ncRNAs)
glucose
chemoresistance
CRC.
In
this
review,
we
have
summarized
currently
published
studies
investigating
ncRNAs
alterations
Elucidating
interplay
between
provides
insight
into
exploring
novel
biomarkers
for
diagnosis
prognosis
prediction
Metabolites,
Journal Year:
2022,
Volume and Issue:
12(6), P. 494 - 494
Published: May 30, 2022
The
accumulation
of
cancer
metabolomics
data
in
the
past
decade
provides
exceptional
opportunities
for
deeper
investigations
into
metabolism.
However,
integrating
a
large
amount
heterogeneous
to
draw
full
picture
metabolic
reprogramming
and
discover
oncometabolites
certain
cancers
remains
challenging.
In
this
study,
tumor
barcode
constructed
based
upon
existing
"big
data"
using
Bayesian
vote-counting
method
is
proposed
identify
colorectal
(CRC).
Specifically,
panel
CRC
was
generated
from
39
clinical
studies
with
3202
blood
samples
(1332
vs.
1870
controls)
990
tissue
(495
495
controls).
Next,
an
oncometabolite-protein
network
by
combining
its
involved
proteins/enzymes.
effect
anti-cancer
drugs
or
drug
combinations
then
mapped
random
walk
restart
process.
Utilizing
network,
potential
Irinotecan
(CPT-11)-sensitizing
agents
treatment
were
discovered
forest
Xgboost.
Finally,
compound
named
MK-2206
highlighted
synergy
CPT-11
validated
on
two
cell
lines.
To
summarize,
we
demonstrate
present
study
that
data"-based
barcodes
subsequent
analyses
are
potentially
useful
combination
discovery
repositioning.