Ultrasound-Guided Histotripsy Triggers the Release of Tumor-Associated Antigens from Breast Cancers
Shengzhuang Tang,
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Reliza McGinnis,
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Zhengyi Cao
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et al.
Cancers,
Journal Year:
2025,
Volume and Issue:
17(2), P. 183 - 183
Published: Jan. 8, 2025
Background/Objectives:
There
is
increasing
evidence
to
indicate
that
histotripsy
treatment
can
enhance
the
host
anti-tumor
immune
responses
both
locally
at
targeting
tumor
site
as
well
systemically
from
abscopal
effects.
Histotripsy
a
non-invasive
ultrasound
ablation
technology
mechanically
disrupts
target
tissue
via
cavitation.
A
key
factor
contributing
histotripsy-induced
effects
believed
be
release
of
tumor-specific
antigens
(TSAs)
or
tumor-associated
(TAAs)
induce
systemic
response.
In
this
study,
we
studied
effect
on
HER2,
well-defined
TAA
for
cancer
immunotherapy.
Methods:
range
doses
administered
HER2-postive
mammary
cells
in
an
vitro
cell
culture
system
and
ex
vivo
were
applied.
addition,
single
dose
was
used
murine
model.
The
released
proteins,
specifically
cell-free
supernatants
pellets
analyzed
by
BCA
protein
assay,
ultra-performance
liquid
chromatography
(UPLC)
Western
blot.
Results:
Our
results
showed
could
significantly
trigger
HER2
proteins
current
study.
level
actually
higher
than
pellets,
suggesting
intracellular
domain
into
extracellular
compartment.
Furthermore,
proportionally
more
doses,
indicating
free
histotripsy-dose-dependent.
Conclusions:
conclusion,
have
qualitatively
quantitatively
demonstrated
triggers
histotripsy-mediated
provides
important
insights
mechanism
underlying
its
immunostimulation
suggests
potential
TSA/TAA-based
immunotherapies
numerous
types.
Language: Английский
Prognostic Insights in Feline Mammary Carcinomas: Clinicopathological Factors and the Proposal of a New Staging System
Animals,
Journal Year:
2025,
Volume and Issue:
15(6), P. 779 - 779
Published: March 10, 2025
Feline
mammary
carcinoma
(FMC)
is
an
aggressive
neoplasm
with
a
poor
prognosis.
Clinical
staging
crucial
for
risk
assessment,
yet
the
current
WHO
system
lacks
granularity,
particularly
in
Stage
III.
Aligning
this
human
breast
cancer
has
potential
to
improve
prognostic
accuracy.
Additionally,
factors
such
as
tumor
size,
ulceration,
lymph
node
metastasis,
and
lymphovascular
invasion
require
further
evaluation.
This
study
retrospectively
analyzed
75
female
cats
FMC
assess
impact
of
clinicopathological
evaluate
novel
(new
staging)
adapted
from
AJCC
Cancer
Staging
Manual.
Survival
analyses
included
disease-free
interval
(DFI),
overall
survival
(OS).
Tumor
size
>3
cm
(p
<
0.001),
ulceration
=
0.010),
metastasis
new
0.001)
were
significantly
associated
shorter
survival.
The
refined
III
into
IIIA
(T3N0M0),
IIIB
(T4N0M0),
IIIC
(AnyTN1M0),
improved
differentiation.
cases
had
worst
0.001).
Multivariate
analysis
identified
(HR
2.834,
95%
CI:
1.546–5.195,
p
histological
Grade
II
5.013,
1.122–22.397,
0.035)
9.894,
2.195–44.594,
0.003)
skin
2.462,
1.256–4.825,
0.009).
These
findings
support
relevance
key
highlight
advantages
TNM-based
system,
which
may
enhance
stratification
therapeutic
decision-making
veterinary
oncology.
Language: Английский
The role of TRAF2 in pan-cancer revealed by integrating informatics and experimental validation
Frontiers in Pharmacology,
Journal Year:
2025,
Volume and Issue:
16
Published: March 12, 2025
Background
Tumor
necrosis
factor
(TNF)
receptor
associated
factor-2
(TRAF2)
is
an
E3
ubiquitin
ligase
and
scaffolding
protein
that
contribute
to
the
progression
of
various
malignant
tumors.
However,
role
TRAF2
expression
in
epigenetic,
cancer
prognosis,
immune
responses
tumor
microenvironment
unclear.
Methods
We
used
The
Human
Protein
Atlas
(HPA)
database,
TIMER
2.0
TCGA
database
evaluate
human
normal
tissues.
Correlation
with
mutations
epigenetic
tumors
was
evaluated
using
cBioPortal
platform
GSCA
database.
To
assess
prognostic
value
TRAF2,
we
performed
Kaplan-Meier
plots
Cox
regression
analysis.
LinkedOmics
for
PANTHER
Pathways
enrichment
relationship
between
checkpoint
genes,
as
well
cell
infiltration,
examined
R
language.
Single-cell
sequencing
data
multiple
immunofluorescence
staining
were
observe
co-expression
on
hepatocellular
carcinoma
cells
cells.
Furthermore,
siRNA-mediated
knockdown,
explored
potential
liver
biology.
Results
Our
findings
indicate
frequently
mutated
significantly
overexpressed
types
cancers,
this
overexpression
linked
a
poor
prognosis.
alterations
significant
across
cancers.
levels
genes
tumor-infiltrating
cells,
suggesting
its
involvement
microenvironment.
Of
note,
analysis
revealed
correlation
T
activation,
single-cell
indicated
In
vivo
results
demonstrated
closely
lymphocytes
carcinoma.
our
vitro
experimental
studies
confirmed
loss
function
inhibits
behavior
HepG2
Conclusion
represents
biomarker
therapeutic
target
immunotherapy,
particularly
patients
Language: Английский
NSG2: a promising prognostic marker shaping the immune landscape of breast cancer
Xuan Li,
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Qihai Gu,
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Ping‐Ping Sun
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et al.
Frontiers in Immunology,
Journal Year:
2024,
Volume and Issue:
15
Published: Oct. 18, 2024
Breast
cancer
(BC)
remains
a
significant
health
issue
globally
and
most
common
cause
of
mortality
in
women.
Enhancing
our
understanding
on
biomarkers
may
greatly
improve
both
diagnostic
therapeutic
approaches
to
this
disease.
Language: Английский
Monoclonal Antibody Therapies in Cancer Immunotherapy
Charuwan Thanawiroon,
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Bancha Yingngam
No information about this author
Advances in medical diagnosis, treatment, and care (AMDTC) book series,
Journal Year:
2024,
Volume and Issue:
unknown, P. 419 - 472
Published: Aug. 28, 2024
Monoclonal
antibodies
(mAbs)
can
significantly
improve
patient
outcomes
in
cancer
treatment
while
reducing
related
side
effects,
offering
a
targeted
therapy
alternative
to
traditional
regimens.
This
chapter
describes
the
development,
mechanisms,
and
applications
of
mAb
therapies
as
critical
components
immunotherapy.
The
covers
history
progression
use
mAbs
therapy,
their
multiple
mechanisms—such
immune
checkpoint
inhibitors,
acumen
for
antigens
antibody—drug
conjugates—and
newest
developments
this
area.
Moreover,
reviews
relevant
case
studies
trial
data
compare
impact
these
agents
on
various
malignancies.
concludes
with
summary
current
challenges—developed
resistance,
one
hand—and
toxic
e.g.,
cytokine
release
syndrome
neurotoxicity,
other—and
prospective
avenues
field.
Language: Английский