Frontiers in Microbiology,
Journal Year:
2023,
Volume and Issue:
14
Published: July 18, 2023
The
gut
microbiome
is
closely
related
to
gastrointestinal
(GI)
cancer,
but
the
causality
of
with
GI
cancer
has
yet
be
fully
established.
We
conducted
this
two-sample
Mendelian
randomization
(MR)
study
reveal
potential
causal
effect
microbiota
on
cancer.Summary-level
genetic
data
were
derived
from
MiBioGen
consortium
and
Dutch
Microbiome
Project.
Summary
statistics
six
cancers
drawn
United
Kingdom
Biobank.
Inverse-variance-weighted
(IVW),
MR-robust
adjusted
profile
score
(MR-RAPS),
weighted-median
(WM)
methods
used
evaluate
link
between
cancer.
In
addition,
we
performed
sensitivity
analyses
reverse
MR
analyses.We
identified
associations
21
bacterial
taxa
(values
p
<
0.05
in
all
three
methods).
Among
them,
phylum
Verrucomicrobia
(OR:
0.17,
95%
CI:
0.05-0.59,
=
0.005)
retained
a
strong
negative
association
intrahepatic
cholangiocarcinoma
after
Bonferroni
correction,
whereas
order
Bacillales
1.67,
1.23-2.26,
0.001)
positive
pancreatic
Reverse
indicated
that
was
associated
17
microbial
methods,
among
inverse
colorectal
family
Clostridiaceae1
0.91,
0.86-0.96,
by
correction.Our
implicates
effects
specific
potentially
providing
new
insights
into
prevention
treatment
through
bacteria.
New England Journal of Medicine,
Journal Year:
2022,
Volume and Issue:
386(16), P. 1547 - 1558
Published: April 20, 2022
Early-onset
disease
(at
<50
years
of
age)
accounts
for
10%
colorectal
cancer
cases,
and
the
incidence
is
increasing,
particularly
in
high-income
countries.
Patients
often
present
with
advanced
left
colon.
One
six
patients
has
deficient
DNA
mismatch
repair.
Screening
now
recommended
to
begin
at
45
age.
Gut,
Journal Year:
2022,
Volume and Issue:
72(6), P. 1129 - 1142
Published: Aug. 11, 2022
Objective
The
incidence
of
early-onset
colorectal
cancer
(EO-CRC)
is
steadily
increasing.
Here,
we
aimed
to
characterise
the
interactions
between
gut
microbiome,
metabolites
and
microbial
enzymes
in
EO-CRC
patients
evaluate
their
potential
as
non-invasive
biomarkers
for
EO-CRC.
Design
We
performed
metagenomic
metabolomic
analyses,
identified
multiomics
markers
constructed
CRC
classifiers
discovery
cohort
with
130
late-onset
(LO-CRC),
114
subjects
age-matched
healthy
controls
(97
LO-Control
100
EO-Control).
An
independent
38
LO-CRC,
24
EO-CRC,
22
LO-Controls
EO-Controls
was
analysed
validate
results.
Results
Compared
controls,
reduced
alpha-diversity
apparent
both,
LO-CRC
subjects.
Although
common
variations
existed,
integrative
analyses
distinct
microbiome–metabolome
associations
Fusobacterium
nucleatum
enrichment
short-chain
fatty
acid
depletion,
including
GABA
biosynthesis
a
shift
acetate/acetaldehyde
metabolism
towards
acetyl-CoA
production
characterises
LO-CRC.
In
comparison,
signatures
tended
be
associated
enriched
Flavonifractor
plauti
increased
tryptophan,
bile
choline
metabolism.
Notably,
elevated
red
meat
intake-related
species,
KEGG
orthology
(KO)
pldB
cbh
gene
axis
may
tumour
stimulators
predictive
model
based
on
metagenomic,
KO
achieved
powerful
classification
performance
distinguishing
from
controls.
Conclusion
Our
large-sample
data
suggest
that
altered
interplay
helps
explain
pathogenesis
microbiome-derived
promising
tools
could
used
accurate
detection
distinction
individuals
Advanced Science,
Journal Year:
2023,
Volume and Issue:
10(15)
Published: March 23, 2023
Abstract
Gut
microbiota‐derived
metabolites
are
key
hubs
connecting
the
gut
microbiome
and
cancer
progression,
primarily
by
remodeling
tumor
microenvironment
regulating
signaling
pathways
in
cells
multiple
immune
cells.
The
use
of
microbial
radiotherapy
chemotherapy
mitigates
severe
side
effects
from
treatment
improves
efficacy
treatment.
Immunotherapy
combined
with
effectively
activates
system
to
kill
tumors
overcomes
drug
resistance.
Consequently,
various
novel
strategies
have
been
developed
modulate
metabolites.
Manipulation
genes
involved
metabolism
using
synthetic
biology
approaches
directly
affects
levels
metabolites,
while
fecal
transplantation
phage
affect
altering
composition
microbiome.
However,
some
harbor
paradoxical
functions
depending
on
context
(e.g.,
type
cancer).
Furthermore,
metabolic
microorganisms
certain
anticancer
drugs
such
as
irinotecan
gemcitabine,
render
ineffective
or
exacerbate
their
adverse
effects.
Therefore,
a
personalized
comprehensive
consideration
patient's
condition
is
required
when
employing
treat
cancer.
purpose
this
review
summarize
correlation
between
cancer,
provide
fresh
ideas
for
future
scientific
research.
Cancer Discovery,
Journal Year:
2023,
Volume and Issue:
13(3), P. 538 - 551
Published: Feb. 9, 2023
Epidemiologic
data
indicate
a
significant
increase
in
the
incidence
of
colorectal
cancer
younger
populations
past
three
decades.
Moreover,
recent
evidence
also
demonstrates
similar
trend
gastric,
pancreatic,
and
biliary
tract
cancers.
A
majority
these
early-onset
cases
are
sporadic
lack
hereditary
or
familial
background,
implying
potential
key
role
for
behavioral,
lifestyle,
nutritional,
microbial,
environmental
factors.
This
review
explores
current
on
gastrointestinal
cancer,
exploring
etiology,
unique
treatment
considerations
this
population,
future
challenges,
as
well
implications
research
practice.
The
worrisome
an
increasing
cancers
appears
to
be
correlated
with
nonhereditary
etiologies
which
factors,
host
mechanisms,
may
play
role.
Further
epidemiologic
pathogenetic
is
urgently
needed
better
understand
underlying
mechanisms
develop
preventive
strategies
tailored
early
detection.
Young
patients
face
challenges
unmet
needs.
These
must
addressed
management
disease
minimize
treatment-related
somatic
morbidity
prevent
psychosocial
sequelae.
Cancers,
Journal Year:
2024,
Volume and Issue:
16(8), P. 1530 - 1530
Published: April 17, 2024
Colorectal
cancer
(CRC)
is
the
third
most
common
and
second
cause
of
mortality
worldwide.
There
are
disparities
in
epidemiology
CRC
across
different
populations,
probably
due
to
differences
exposure
lifestyle
environmental
factors
related
CRC.
Prevention
effective
method
for
controlling
Primary
prevention
includes
determining
avoiding
modifiable
risk
(e.g.,
alcohol
consumption,
smoking,
dietary
factors)
as
well
increasing
protective
physical
activity,
aspirin).
Further
studies,
especially
randomized,
controlled
trials,
needed
clarify
association
between
incidence
or
factors.
Detection
removal
precancerous
colorectal
lesions
also
an
strategy
Multiple
factors,
both
at
individual
community
levels
patient
preferences,
availability
screening
modalities,
costs,
benefits,
adverse
events),
should
be
taken
into
account
designing
implementing
programs.
Health
policymakers
consider
best
decision
identifying
starting
age
selection
strategies
target
population.
This
review
aims
present
updated
evidence
on
epidemiology,
Medicina,
Journal Year:
2023,
Volume and Issue:
59(9), P. 1646 - 1646
Published: Sept. 12, 2023
Colorectal
cancer
is
the
second
leading
cause
of
cancer-related
mortality
worldwide.
Numerous
pathophysiological
mechanisms,
such
as
abnormal
cell
proliferation,
differentiation,
resistance
to
apoptosis,
invasion
structures
adjacent
colorectal
tumor
cells,
and
distant
metastasis,
are
involved
in
carcinogenesis.
These
processes
initiated
by
complex
interaction
a
number
genetic
environmental
factors,
including
sedentary
lifestyle,
obesity,
alcohol
consumption,
smoking,
or
gut
microbiota.
Despite
significant
progress
achieved
diagnostic
therapeutic
management
patients
with
cancer,
there
has
been
recently
noteworthy
increase
incidence
individuals
below
age
50
years.
Early-onset
different
frequency
oncogenic
mutations,
higher
prevalence
mucinous
histology,
distinct
deoxyribonucleic
acid
(DNA)
methylation
profile,
more
distal
location,
lower
survival
rates.
A
improvement
prognosis
these
can
be
through
detection
removal
modifiable
risk
along
implementation
personalized
screening
strategies
for
at
high
this
malignancy.
Furthermore,
gaining
comprehension
mechanisms
which
factors
contribute
process
oncogenesis
may
facilitate
discovery
novel
targets.
Gut Microbes,
Journal Year:
2023,
Volume and Issue:
15(1)
Published: July 23, 2023
Colorectal
cancer
(CRC)
is
the
third
most
common
malignant
tumor
worldwide.
The
incidence
and
mortality
rates
of
CRC
have
been
increasing
in
China,
possibly
due
to
economic
development,
lifestyle,
dietary
changes.
Evidence
suggests
that
gut
microbiota
plays
an
essential
role
tumorigenesis
CRC.
Gut
dysbiosis,
specific
pathogenic
microbes,
metabolites,
virulence
factors,
microbial
carcinogenic
mechanisms
contribute
initiation
progression
biomarkers
potential
translational
applications
screening
early
diagnosis.
microbiota-related
interventions
could
improve
anti-tumor
therapy's
efficacy
severe
intestinal
toxic
effects.
Chinese
researchers
made
many
achievements
relationship
between
CRC,
although
some
challenges
remain.
This
review
summarizes
current
evidence
from
China
on
mainly
including
characteristics,
especially
Fusobacterium
nucleatum
Parvimonas
micra,
which
identified
be
enriched
patients;
pathogens
such
as
F.
enterotoxigenic
Bacteroides
fragilis,
P.
scientists
extensively
studied;
diagnostic
nucleatum;
therapeutic
effects,
microecological
agents
represented
by
certain
Lactobacillus
strains,
fecal
transplantation,
traditional
medicines
Berberine
Curcumin.
More
efforts
should
focused
exploring
underlying
pathogenesis
providing
novel
preventive
strategies.