bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Oct. 27, 2023
ABSTRACT
BACKGROUND
Non-muscle-invasive
bladder
cancer
(NMIBC)
poses
clinical
challenges
due
to
its
high
recurrence
and
progression
rates.
While
Bacillus
Calmette-Guérin
(BCG)
remains
as
the
gold
standard
treatment
for
high-risk
NMIBC,
recent
irruption
of
anti-PD-1/PD-L1
drugs
claims
a
comprehensive
understanding
tumour
microenvironment
(TME)
these
tumors.
METHODS
The
present
prospective
study
consisted
on
analysis
98
fresh
NMIBC
samples,
tumor
non-pathological
tissue,
via
flow
cytometry.
Final
included
distribution
11
cell
types
expression
PD-L1
in
66
62
tissue
biopsies
from
73
patients
(84.4%
paired
samples).
results
were
validated
using
publicly
available
transcriptomic
data,
histology.
RESULTS
In
comparison
TME
presented
microvascular
alterations,
increased
cancer-associated
fibroblast
(CAF)
myofibroblast
(myoCAF)
presence,
varied
immune
distribution.
Heterogeneous
was
observed
across
subsets,
with
cells
primary
potential
anti-PD-L1
binding
targets.
Unbiased
revealed
that
myoCAF
M2-like
macrophages
are
enriched
grade
tumors,
but
only
associated
higher
rates
recurrence,
we
confirmed
three
independent
cohorts
(888
total
patients).
We
further
prognostic
value
myoCAFs
by
micro-array.
CONCLUSION
This
provides
roadmap
establish
full
landscape
NMIBĆs
TME,
highlighting
markers.
FUNDING
funded
FC
AECC
(INVES222946GARC),
Consejería
de
Educación,
Ciencia
y
Universidades
la
CAM
(2018-T2/BMD-10342),
Hoffmann-La
Roche,
Ministerio
e
Innovación
(INMUNOEPIBLA)
ISCIII/FEDER
(CIBERONC
CB16/12/00489)
Frontiers in Immunology,
Journal Year:
2023,
Volume and Issue:
14
Published: April 26, 2023
Immunotherapy
has
revolutionized
cancer
treatment
and
revitalized
efforts
to
harness
the
power
of
immune
system
combat
a
variety
types
more
effectively.
However,
low
clinical
response
rates
differences
in
outcomes
due
variations
landscape
among
patients
with
continue
be
major
limitations
immunotherapy.
Recent
improve
responses
immunotherapy
have
focused
on
targeting
cellular
metabolism,
as
metabolic
characteristics
cells
can
directly
influence
activity
metabolism
cells,
particularly
T
cells.
Although
pathways
various
been
extensively
reviewed,
intersections
these
pathways,
their
potential
use
targets
for
improving
immune-checkpoint
blockade
therapies,
are
not
completely
understood.
This
review
focuses
interplay
between
tumor
metabolites
T-cell
dysfunction
well
relationship
several
patterns
activity/function
immunology.
Understanding
relationships
could
offer
new
avenues
basis.
Frontiers in Immunology,
Journal Year:
2024,
Volume and Issue:
15
Published: Nov. 4, 2024
As
an
immune-related
tumor
type,
bladder
cancer
has
been
attracting
much
attention
in
the
study
of
its
markers.
In
recent
years,
researchers
have
made
rapid
progress
markers
for
cancer.
Studies
shown
that
play
important
role
diagnosis,
prognosis
assessment
and
treatment
addition,
detection
can
also
be
used
to
evaluate
efficacy
immunotherapy
predict
response
patients.
Therefore,
depth
expression
their
application
clinic
is
great
significance
expected
provide
new
breakthroughs
individualized
Future
studies
will
focus
more
on
how
detect
with
low
cost
high
accuracy,
as
well
develop
immunotherapeutic
strategies
bring
better
therapeutic
outcomes
Frontiers in Immunology,
Journal Year:
2023,
Volume and Issue:
14
Published: May 5, 2023
Bladder
cancer
is
one
of
the
common
malignant
urothelial
tumors.
Post-translational
modification
(PTMs),
including
ubiquitination,
acetylation,
methylation,
and
phosphorylation,
have
been
revealed
to
participate
in
bladder
initiation
progression.
Ubiquitination
PTM,
which
conducted
by
E1
ubiquitin-activating
enzyme,
E2
ubiquitin-conjugating
enzyme
E3
ubiquitin-protein
ligase.
ubiquitin
ligases
play
a
key
role
oncogenesis
progression
drug
resistance
cancer.
Therefore,
this
review,
we
summarize
current
knowledge
regarding
functions
development.
Moreover,
provide
evidence
regulation
immunotherapy
Furthermore,
mention
multiple
compounds
that
target
improve
therapy
efficacy
We
hope
our
review
can
stimulate
researchers
clinicians
investigate
whether
how
targeting
acts
novel
strategy
for
therapy.
Bacillus
Calmette-Guérin
(BCG)
therapy
for
patients
with
non-muscle
invasive
bladder
cancer
(NMIBC)
faces
limitations
in
efficacy
and
significant
side
effects,
aggravated
by
a
recent
global
shortage.
In
this
prospective
clinical
study,
we
report
outcomes
of
sequential
intravesical
adminis-tration
gemcitabine
docetaxel
(Gem/Doce)
as
the
first-line
treatment
BCG-naïve
high-risk
NMIBC
(HR
NMIBC).
From
October
2019
until
April
2022,
enrolled
52
followed
protocol
set
University
Iowa.
Follow-up
assessments
were
con-ducted
every
3
months.
cohort,
25
(48.1%)
diagnosed
T1HG
cancer,
10
(19.2%)
had
carcinoma
situ
(CIS),
17
(32.7%)
combination
CIS+T1HG.
Median
time
to
first
recurrence
T1HG,
CIS
T1HG+CIS
groups
was
11,
10.5
8.8
months,
respectively.
The
recurrence-free
survival
98.1%,
94.2%
80.8%
at
6,
9
12
rate
progression-free
100%,
98.1%
92.3%
We
demonstrated
safety
Gem/Doce
HR
during
one-year
follow-up.
Further
research
extended
follow-up,
well
direct
comparison
other
anticancer
agents,
are
essential.
Biochimica et Biophysica Acta (BBA) - Reviews on Cancer,
Journal Year:
2024,
Volume and Issue:
1879(5), P. 189123 - 189123
Published: May 26, 2024
Bacillus
Calmette-Guérin
(BCG)
treatment
for
non-muscle
invasive
bladder
cancer
(NMIBC)
is
an
established
immunotherapeutic,
however,
a
significant
portion
of
patients
do
not
respond
to
treatment.
Despite
extensive
research
into
the
therapeutic
mechanism
BCG,
gaps
remain
in
our
understanding.
This
review
specifically
focuses
on
epigenomic
contributions
immune
microenvironment,
context
BCG
NMIBC.
We
also
summarise
current
understanding
NMIBC
epigenetic
characteristics,
and
discuss
how
future
targeted
strategies
therapy
should
incorporate
both
biomarkers
conjunction
with
genomic
biomarkers.
European journal of medical research,
Journal Year:
2024,
Volume and Issue:
29(1)
Published: July 29, 2024
Bladder
cancer
(BLCA)
is
a
prevalent
malignancy.
Dysregulated
propionate
metabolism,
key
factor,
suggests
potential
target
for
treating
metastatic
cancer.
However,
complete
understanding
of
the
link
between
metabolism-related
genes
(PMRGs)
and
bladder
lacking.
From
Cancer
Genome
Atlas
(TCGA)
Gene
Expression
Omnibus
(GEO)
databases,
we
gathered
BLCA
patient
data,
which
was
classified
into
distinct
subgroups
using
non-negative
matrix
factorization
(NMF).
Survival
pathway
analyses
were
conducted
these
clusters.
The
PMRGs
model,
created
through
univariate
Cox
least
absolute
shrinkage
selection
operator
(LASSO)
analyses,
assessed
prognostic
significance
Kaplan-Meier
receiver
operating
characteristic
(ROC)
curves.
A
comprehensive
evaluation
included
clinical,
tumor
microenvironment
(TME),
drug
sensitivity,
immunotherapy
analyses.
Finally,
expression
HSD17B1
essential
confirmed
via
quantitative
real-time
polymerase
chain
reaction
(qRT-PCR),
with
further
validation
Transwell,
wound
healing,
colony-formation,
EDU
assays.
We
discovered
two
subcategories
(CA
CB)
within
NMF
analysis,
CA
demonstrating
significantly
better
overall
survival
compared
to
CB.
Additionally,
six
emerged
as
critical
factors
associated
metabolism
prognosis.
analysis
revealed
that
high-risk
correlated
poorer
prognosis
in
patients.
Moreover,
significant
differences
observed
groups
terms
infiltrated
immune
cells,
checkpoint
expression,
TME
scores,
sensitivity.
Notably,
found
suppressing
gene
inhibited
invasion
cells.
Our
study
proposes
molecular
subtypes
PMRG-based
score
promising
indicators
BLCA.
cellular
experiments
underscore
pivotal
role
metastasis
invasion,
suggesting
its
novel
therapeutic
target.