Cancer Science,
Journal Year:
2022,
Volume and Issue:
114(3), P. 1118 - 1130
Published: Nov. 18, 2022
Chemotherapy
drugs,
such
as
gemcitabine
and
cisplatin
(GC),
are
frequently
administered
to
patients
with
advanced
urothelial
carcinoma,
however
the
influence
of
gut
microbiota
on
their
action
is
unclear.
Thus,
we
investigated
effects
GC
microbiome
determined
whether
oral
supplementation
a
probiotics
mixture
Lactobacillus
casei
Shirota
Bifidobacterium
breve
enhanced
anti-tumor
immune
response.
After
subcutaneous
inoculation
MBT2
murine
bladder
cancer
cells,
syngenic
C3H
mice
were
randomly
allocated
into
eight
groups.
The
cluster
pattern
was
altered
in
both
groups
(p
=
0.025).
Both
tumor-bearing
conditions
(no
treatment)
chemotherapy
influenced
Pseudoclostridium,
Robinsoniella,
Merdimonas,
Phocea
gut.
Furthermore,
comparison
GC-treated
+
revealed
an
association
four
methyltransferase
family
enzymes
two
short-change
fatty
acid-related
use.
A
significant
difference
tumor
volume
observed
between
at
week
2
treatment.
Additionally,
decreased
recruitment
cancer-associated
fibroblasts
regulatory
T
activation
CD8+
cells
dendritic
microenvironment.
Our
findings
reveal
positive
enhancing
through
gut-tumor
response
axis.
Future
clinical
trials
needed
evaluate
full
benefits
this
novel
supplement
carcinoma.
Signal Transduction and Targeted Therapy,
Journal Year:
2023,
Volume and Issue:
8(1)
Published: May 13, 2023
Abstract
In
the
past
period,
due
to
rapid
development
of
next-generation
sequencing
technology,
accumulating
evidence
has
clarified
complex
role
human
microbiota
in
cancer
and
therapeutic
response.
More
importantly,
available
seems
indicate
that
modulating
composition
gut
improve
efficacy
anti-cancer
drugs
may
be
feasible.
However,
intricate
complexities
exist,
a
deep
comprehensive
understanding
how
interacts
with
is
critical
realize
its
full
potential
treatment.
The
purpose
this
review
summarize
initial
clues
on
molecular
mechanisms
regarding
mutual
effects
between
development,
highlight
relationship
microbes
immunotherapy,
chemotherapy,
radiation
therapy
surgery,
which
provide
insights
into
formulation
individualized
strategies
for
management.
addition,
current
emerging
microbial
interventions
as
well
their
clinical
applications
are
summarized.
Although
many
challenges
remain
now,
great
importance
cannot
overstated
strategies,
it
necessary
explore
holistic
approach
incorporates
modulation
cancer.
Microorganisms,
Journal Year:
2022,
Volume and Issue:
10(10), P. 2048 - 2048
Published: Oct. 17, 2022
The
gut
microbiota
has
emerged
as
a
key
modulator
of
cancer
treatment
responses
in
terms
both
efficacy
and
toxicity.
This
effect
is
clearly
mediated
by
processes
impacting
the
activation
modulation
immune
responses.
More
recently,
ability
to
regulate
chemotherapeutic
drug
metabolism
also
driver
response,
although
direct
mechanisms
have
yet
be
fully
elucidated.
Through
fermentation,
can
produce
several
types
metabolites,
including
short-chain
fatty
acids
(SCFAs).
SCFAs
play
an
important
role
maintaining
epithelial
barrier
functions
intestinal
homeostasis,
with
recent
work
suggesting
that
modulate
response
treatments
influence
anti-tumor
inflammatory-related
side
effects.
In
this
review,
we
will
discuss
importance
their
implications
for
toxicities.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(13), P. 7379 - 7379
Published: July 5, 2024
Short
chain
fatty
acids
(SCFAs),
mainly
including
acetate,
propionate
and
butyrate,
are
produced
by
intestinal
bacteria
during
the
fermentation
of
partially
digested
indigestible
polysaccharides.
SCFAs
play
an
important
role
in
regulating
energy
metabolism
maintaining
homeostasis
environment
also
regulatory
organs
tissues
outside
gut.
In
recent
years,
many
studies
have
shown
that
can
regulate
inflammation
affect
host
health,
two
main
signaling
mechanisms
been
identified:
activation
G-protein
coupled
receptors
(GPCRs)
inhibition
histone
deacetylase
(HDAC).
addition,
a
growing
body
evidence
highlights
importance
every
SCFA
influencing
health
maintenance
disease
development.
this
review,
we
summarized
advances
concerning
biological
properties
their
pathways
health.
Hopefully,
it
provide
systematic
theoretical
basis
for
nutritional
prevention
treatment
human
diseases.
BMC Microbiology,
Journal Year:
2024,
Volume and Issue:
24(1)
Published: Jan. 5, 2024
Abstract
Studying
the
effects
of
microbiome
on
development
different
types
cancer
has
recently
received
increasing
research
attention.
In
this
context,
microbial
content
organs
gastrointestinal
tract
been
proposed
to
play
a
potential
role
in
pancreatic
(PC).
Proposed
mechanisms
for
pathogenesis
PC
include
persistent
inflammation
caused
by
microbiota
leading
an
impairment
antitumor
immune
surveillance
and
altered
cellular
processes
tumor
microenvironment.
The
limited
available
diagnostic
markers
that
can
currently
be
used
screening
suggest
importance
composition
as
non-invasive
biomarker
clinical
settings.
Samples
including
saliva,
stool,
blood
analyzed
16
s
rRNA
sequencing
determine
relative
abundance
specific
bacteria.
Studies
have
shown
potentially
beneficial
prebiotics,
probiotics,
antibiotics,
fecal
transplantation,
bacteriophage
therapy
altering
diversity,
subsequently
improving
treatment
outcomes.
review,
we
summarize
impact
PC,
these
microorganisms
might
biomarkers
diagnosis
determining
prognosis
patients.
We
also
discuss
novel
methods
being
minimize
or
prevent
progression
dysbiosis
modulating
composition.
Emerging
evidence
is
supportive
applying
findings
improve
current
therapeutic
strategies
employed
PC.
Gut Microbes,
Journal Year:
2024,
Volume and Issue:
16(1)
Published: Feb. 27, 2024
Pancreatic
ductal
adenocarcinoma
(PDAC)
is
an
aggressive
disease
with
poor
prognosis.
This
due
to
the
fact
that
most
cases
are
only
diagnosed
at
advanced
and
palliative
stage,
there
a
high
incidence
of
therapy
resistance.
Despite
ongoing
efforts,
date,
mechanisms
underlying
PDAC
oncogenesis
its
responses
treatment
still
largely
unclear.
As
study
microbiome
in
cancer
progresses,
growing
evidence
suggests
bacteria
or
fungi
might
be
key
players
both
as
well
resistance
chemo-
immunotherapy,
for
instance
through
modulation
tumor
microenvironment
reshaping
host
immune
response.
Here,
we
review
how
microbiota
exerts
these
effects
directly
indirectly
via
microbial-derived
metabolites.
Finally,
further
discuss
potential
modulating
composition
PDAC.
Frontiers in Oncology,
Journal Year:
2022,
Volume and Issue:
12
Published: Nov. 24, 2022
The
tumor
microenvironment
(TME)
plays
a
significant
role
in
progression
and
cancer
cell
survival.
Besides
malignant
cells
non-malignant
components,
including
immune
cells,
elements
of
the
extracellular
matrix,
stromal
endothelial
microbiome
is
considered
to
be
an
integral
part
TME.
Mounting
evidence
from
preclinical
clinical
studies
evaluated
presence
type-specific
intratumoral
bacteria.
Differences
composition
between
cancerous
tissues
benign
controls
suggest
importance
microbiome-based
approach.
Complex
host-microbiota
crosstalk
within
TME
affects
biology
via
regulation
oncogenic
pathways,
response
modulation,
interaction
with
microbiota-derived
metabolites.
Significantly,
involvement
tumor-associated
microbiota
drug
metabolism
highlights
therapeutic
implications.
This
review
aims
summarize
current
knowledge
about
emerging
various
types
solid
malignancies.
utility
treatment
also
discussed.
Moreover,
we
provide
overview
trials
evaluating
patients.
research
focusing
on
communication
gut
microbiomes
may
bring
new
opportunities
for
targeting
increase
efficacy
improve
patient
outcomes.
Frontiers in Immunology,
Journal Year:
2023,
Volume and Issue:
14
Published: April 14, 2023
Tumor
immune
microenvironment
(TIME),
a
tumor-derived
component,
is
proven
to
be
closely
related
the
development,
metastasis,
and
recurrence
of
tumors.
Gut
microbiota
its
fermented-metabolites
short-chain
fatty
acids
(SCFAs)
play
critical
role
in
maintaining
homeostasis
gastrointestinal
Consisting
mainly
acetate,
propionate,
butyrate,
SCFAs
can
interact
with
G
protein-coupled
receptors
43
T
helper
1
cell
or
restrain
histone
deacetylases
(HDACs)
cytotoxic
lymphocytes
exert
immunotherapy
effects.
Studies
have
shed
light
on
mediate
differentiation
function
regulatory
cells,
as
well
cytokine
production
TIME.
Additionally,
alter
epigenetic
modification
CD8+
cells
by
inhibiting
HDACs
participate
response
process.
In
tumors,
abundance
their
producing
bacteria
significantly
reduced.
Direct
supplementation
dietary
fiber
probiotics,
fecal
transplantation
change
structure
gut
both
increase
level
inhibit
tumor
development.
The
mechanism
which
modulate
progression
tumors
has
been
elucidated
this
review,
aiming
provide
prospects
for
development
novel
immunotherapeutic
strategies.
The Journal of Nutritional Biochemistry,
Journal Year:
2023,
Volume and Issue:
118, P. 109368 - 109368
Published: April 25, 2023
The
human
gut
is
a
host
for
trillions
of
microorganisms,
divided
into
more
than
3,000
heterogeneous
species
that
called
the
microbiota.
microbiota
composition
can
be
altered
by
many
different
endogenous
and
exogenous
factors,
especially
diet
nutrition.
A
rich
in
phytoestrogens,
variable
group
chemical
compounds
similar
to
17-β-estradiol
(E2),
essential
female
steroid
sex
hormone
potent
change
However,
metabolism
phytoestrogens
also
highly
depends
on
action
enzymes
produced
Novel
studies
have
shown
could
play
an
important
role
treatment
types
cancers,
such
as
breast
cancer
women,
due
their
potential
decrease
estrogen
levels.
This
review
aims
summarize
recent
findings
about
lively
dialogue
between
address
possible
future
application,
treating
patients
with
diagnosed
cancer.
therapeutic
approach
prevention
improving
outcomes
based
targeted
probiotic
supplementation
use
soy
phytoestrogens.
positive
effect
probiotics
outcome
survival
has
been
established.
vivo
scientific
are
needed
pave
way
clinical
practice
treatment.