Frontiers in Pharmacology,
Journal Year:
2025,
Volume and Issue:
15
Published: Jan. 15, 2025
Colorectal
cancer
(CRC)
is
a
leading
cause
of
cancer-related
mortality
globally.
Although
tumor
immunotherapy
widely
recognized
for
treating
unresectable
CRC,
challenges
such
as
ineffective
and
drug
resistance
remain
prevalent.
While
intratumor
microbiome-derived
butyrate
has
been
implicated
in
promoting
lung
metastasis,
its
role
CRC
chemoresistance
not
well
understood.
This
study
aimed
to
explore
the
relationship
between
CRC.
We
performed
comprehensive
analysis
microbiome
composition
patients
with
varying
resistance-free
survival
(RFS)
durations,
utilizing
16S
rRNA
sequencing.
Furthermore,
we
assessed
prognostic
significance
circulating
DNA
(cmDNA)
examined
effects
exogenous
supplementation
on
chemosensitivity
cell
lines.
Our
sequencing
revealed
reduction
microbial
diversity
within
samples
resistance,
indicated
by
metrics
observed
taxonomic
units,
Shannon,
Simpson
indices.
Notably,
Roseburia
Fusobacteria
emerged
prominent
biomarkers
group,
whereas
Bifidobacterium,
Helicobacter,
Akkermansia
were
identified
non-resistant
group.
Utilizing
Lasso
regression
model,
six
genera-Roseburia,
Gardnerella,
Flavonifractor,
Coprococcus,
Anaerostipes-that
significantly
correlated
recurrence-free
survival.
both
signature
effective
accurately
predicting
resistance.
Experimental
assays,
including
CCK8
wound-healing,
demonstrated
that
enhances
proliferation
migration
HCT15
cells
time-
concentration-dependent
manner.
Cell
further
treatment
increased
IC50
value,
suggesting
heightened
cells.
Mechanistically,
this
was
attributed
butyrate's
activation
PI3K-AKT
signaling
pathway.
results
suggest
contributes
colorectal
cancer,
highlighting
potential
therapeutic
microbiome.
Cell Communication and Signaling,
Journal Year:
2023,
Volume and Issue:
21(1)
Published: Aug. 18, 2023
Abstract
Short-chain
fatty
acids
(SCFAs)
are
the
main
metabolites
produced
by
bacterial
fermentation
of
dietary
fibre
in
gastrointestinal
tract.
The
absorption
SCFAs
is
mediated
substrate
transporters,
such
as
monocarboxylate
transporter
1
and
sodium-coupled
1,
which
promote
cellular
metabolism.
An
increasing
number
studies
have
implicated
microorganisms
crucial
executors
diet-based
microbial
influence
on
host.
important
fuels
for
intestinal
epithelial
cells
(IECs)
represent
a
major
carbon
flux
from
diet,
that
decomposed
gut
microbiota.
play
vital
role
multiple
molecular
biological
processes,
promoting
secretion
glucagon-like
peptide-1
IECs
to
inhibit
elevation
blood
glucose,
expression
G
protein-coupled
receptors
GPR41
GPR43,
inhibiting
histone
deacetylases,
participate
regulation
proliferation,
differentiation,
function
IECs.
affect
motility,
barrier
function,
host
Furthermore,
regulatory
roles
local,
intermediate,
peripheral
metabolisms.
Acetate,
propionate,
butyrate
SCFAs,
they
involved
immunity,
apoptosis,
inflammation,
lipid
Herein,
we
review
diverse
functional
this
class
reflect
their
ability
intestine,
metabolic,
other
diseases.
Microbiome,
Journal Year:
2022,
Volume and Issue:
10(1)
Published: June 16, 2022
Abstract
Background
The
gut
microbiota
is
reportedly
involved
in
the
progression
and
chemoresistance
of
various
human
malignancies.
However,
underlying
mechanisms
behind
how
it
exerts
some
effect
on
prostate
cancer,
as
an
extra-intestinal
tumor,
a
contact-independent
way
remain
elusive
deserve
exploration.
Antibiotic
exposure,
one
factors
affecting
community
capable
causing
dysbiosis,
associated
with
multiple
disorders.
This
study
aims
to
preliminarily
clarify
link
between
dysbiosis
cancer.
Results
First,
we
discovered
that
perturbing
by
consuming
broad-spectrum
antibiotics
water
promoted
growth
subcutaneous
orthotopic
tumors
mice.
Fecal
transplantation
could
transmit
antibiotic
exposure
tumor
growth.
Then,
16S
rRNA
sequencing
for
mouse
feces
indicated
relative
abundance
Proteobacteria
was
significantly
higher
after
exposure.
Meanwhile,
intratumoral
lipopolysaccharide
(LPS)
profoundly
increased
under
elevation
permeability.
Both
vivo
vitro
experiments
revealed
NF-κB-IL6-STAT3
axis
activated
LPS
facilitated
cancer
proliferation
docetaxel
chemoresistance.
Finally,
patients’
fecal
samples
enriched
patients
metastatic
positively
correlated
plasma
IL6
level,
regional
lymph
node
metastasis
status,
distant
status.
receiver
operating
characteristic
(ROC)
curves
showed
had
better
performance
than
prostate-specific
antigen
(PSA)
level
predicting
probability
(area
ROC
curve,
0.860;
p
<
0.001).
Conclusion
Collectively,
this
research
demonstrated
characterized
enrichment
due
resulted
permeability
LPS,
promoting
development
via
Considering
findings
from
patients,
might
act
intestinal
biomarker
progressive
Molecules,
Journal Year:
2022,
Volume and Issue:
27(10), P. 3286 - 3286
Published: May 20, 2022
Berry-derived
polyphenols
are
bioactive
compounds
synthesized
and
secreted
by
several
berry
fruits.
These
feature
a
diversity
of
chemical
compounds,
including
phenolic
acids
flavonoids.
Here,
we
report
the
beneficial
health
effects
berry-derived
their
therapeutical
application
on
gut-microbiota-related
diseases,
inflammation
cancer.
Pharmacokinetic
investigations
have
confirmed
absorption,
availability,
metabolism
polyphenols.
In
vitro
in
vivo
tests,
as
well
clinical
trials,
showed
that
can
positively
modulate
gut
microbiota,
inhibiting
cancer
development.
Indeed,
these
inhibit
growth
pathogenic
bacteria
also
promote
bacteria.
Moreover,
exhibit
therapeutic
against
different
disorders
such
inflammation,
cancer,
metabolic
disorders.
manage
via
various
mechanisms,
particular
inhibition
transcriptional
factor
Nf-κB.
shown
remarkable
types
colorectal,
breast,
esophageal,
prostate
certain
diabetes
atherosclerosis
were
managed
through
mechanisms.
data
from
berries
promising
source
capable
modulating
intestinal
therefore
managing
associated
diseases.
However,
further
should
be
carried
out
to
determine
mechanisms
action
polyphenol
validate
safety
examinate
uses.
Cancer Medicine,
Journal Year:
2023,
Volume and Issue:
12(9), P. 10393 - 10405
Published: March 7, 2023
Previous
studies
have
linked
gut
microbiota
with
cancer
etiology,
but
the
associations
for
specific
are
causal
or
owing
to
bias
remain
be
elucidated.We
performed
a
two-sample
Mendelian
randomization
(MR)
analysis
assess
effect
of
on
risk.
Five
common
cancers,
including
breast,
endometrial,
lung,
ovarian,
and
prostate
as
well
their
subtypes
(sample
sizes
ranging
from
27,209
228,951)
were
included
outcomes.
Genetic
information
was
obtained
genome-wide
association
study
(GWAS)
comprising
18,340
participants.
In
univariable
MR
(UVMR)
analysis,
inverse
variance
weighted
(IVW)
method
conducted
primary
method,
robust
adjusted
profile
scores,
median,
Egger
used
supplementary
methods
inference.
Sensitivity
analyses
Cochran
Q
test,
intercept
leave-one-out
verify
robustness
results.
Multivariable
(MVMR)
evaluate
direct
effects
risk
cancers.UVMR
detected
higher
abundance
genus
Sellimonas
predicted
estrogen
receptor-positive
breast
(OR
=
1.09,
95%
CI
1.05-1.14,
p
2.01
×
10-5
),
class
Alphaproteobacteria
associated
lower
0.84,
0.75-0.93,
1.11
10-3
).
found
little
evidence
in
current
study.
MVMR
further
confirmed
that
exerted
cancer,
while
driven
by
factors
cancer.Our
implies
involvement
development,
which
provides
novel
potential
target
screening
prevention,
might
an
implication
future
functional
analysis.
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(2), P. 1511 - 1511
Published: Jan. 12, 2023
Growing
evidence
of
the
microbiome’s
role
in
human
health
and
disease
has
emerged
since
creation
Human
Microbiome
Project.
Recent
studies
suggest
that
alterations
microbiota
composition
(dysbiosis)
may
play
an
essential
occurrence,
development,
prognosis
prostate
cancer
(PCa),
which
remains
second
most
frequent
male
malignancy
worldwide.
Current
advances
biological
technologies,
such
as
high-throughput
sequencing,
transcriptomics,
metabolomics,
have
enabled
research
on
gut,
urinary,
intra-prostate
microbiome
signature
correlation
with
local
systemic
inflammation,
host
immunity
response,
PCa
progression.
Several
microbial
species
their
metabolites
facilitate
insurgence
through
genotoxin-mediated
mutagenesis
or
by
driving
tumor-promoting
inflammation
dysfunctional
immunosurveillance.
However,
impact
progression,
response
to
treatment
is
complex
needs
be
fully
understood.
This
review
addresses
current
knowledge
host–microbe
interaction
risk
PCa,
providing
novel
insights
into
intraprostatic,
urinary
mechanisms
leading
carcinogenesis
response.
In
this
paper,
we
provide
a
detailed
overview
diet
changes,
gut
microbiome,
emerging
therapeutic
approaches
related
PCa.
Further
investigation
prostate-related
large-scale
clinical
trials
testing
efficacy
modulation
improve
patient
outcomes
while
fulfilling
literature
gap
microbial–immune–cancer-cell
mechanistic
interactions.
Gut Microbes,
Journal Year:
2024,
Volume and Issue:
16(1)
Published: Feb. 6, 2024
The
gut
microbiota
and
Short-chain
fatty
acids
(SCFAs)
can
influence
the
progression
of
diseases,
yet
role
these
factors
on
gastric
cancer
(GC)
remains
uncertain.
In
this
work,
analysis
composition
SCFA
content
in
blood
feces
both
healthy
individuals
GC
patients
indicated
that
significant
reductions
abundance
intestinal
bacteria
involved
production
were
observed
compared
with
controls.
ABX
mice
transplanted
fecal
from
developed
more
tumors
during
induction
had
lower
levels
butyric
acid.
Supplementation
butyrate
along
H.
pylori
N-methyl-N-nitrosourea
(MNU)
WT
GPR109A−/−mice
resulted
fewer
IFN-γ+
CD8+
T
cells,
but
effect
was
significantly
weakened
after
knockout
GPR109A.
Furthermore,
vitro
cells
co-cultured
or
CAR-Claudin
18.2+
as
well
vivo
tumor-bearing
studies,
have
enhanced
killing
function
against
through
G
protein-coupled
receptor
109A
(GPR109A)
homologous
domain
protein
box
(HOPX).
Together,
data
highlighted
restoration
microbial
cell
cytotoxicity
via
GPR109A/HOPX,
thus
inhibiting
carcinogenesis,
which
suggests
a
novel
theoretical
foundation
for
management
GC.
Cell Reports Medicine,
Journal Year:
2024,
Volume and Issue:
5(4), P. 101488 - 101488
Published: April 1, 2024
Most
recurrences
of
lung
cancer
(LC)
occur
within
3
years
after
surgery,
but
the
underlying
mechanism
remains
unclear.
Here,
we
collect
LC
tissues
with
shorter
(<3
years,
recurrence
group)
and
longer
(>3
non-recurrence
recurrence-free
survival.
By
using
16S
sequencing,
find
that
intratumor
microbiome
diversity
is
lower
in
group
butyrate-producing
bacteria
are
enriched
group.
The
signature
circulating
DNA
can
accurately
predict
recurrence.
We
prove
injection
Roseburia
promote
subcutaneous
tumor
growth.
Mechanistically,
bacteria-derived
butyrate
promotes
metastasis
by
increasing
expression
H19
cells
through
inhibiting
HDAC2
H3K27
acetylation
at
promoter
inducing
M2
macrophage
polarization.
Depletion
macrophages
partially
abolishes
metastasis-promoting
effect
butyrate.
Our
results
provide
evidence
for
cross-talk
between
suggest
potential
prognostic
therapeutic
value
microbiome.
Journal of Gastroenterology and Hepatology,
Journal Year:
2024,
Volume and Issue:
39(9), P. 1728 - 1736
Published: May 23, 2024
In
recent
years,
gut
microbiota
has
become
a
hot
topic
in
the
fields
of
medicine
and
life
sciences.
Short-chain
fatty
acids
(SCFAs),
main
metabolites
produced
by
microbial
fermentation
dietary
fiber,
play
vital
role
healthy
ill
hosts.
SCFAs
regulate
process
metabolism,
immune,
inflammation
have
therapeutic
effects
on
gastrointestinal
neurological
disorders,
as
well
antitumor
properties.
This
review
summarized
production,
distribution,
molecular
mechanism
SCFAs,
their
mechanisms
action
addition,
we
also
emphasized
negative
aiming
to
provide
public
with
more
comprehensive
understanding
SCFAs.