T cell aging and exhaustion: Mechanisms and clinical implications
Weiqi Zhang,
No information about this author
Dejun Kong,
No information about this author
Xiaohan Zhang
No information about this author
et al.
Clinical Immunology,
Journal Year:
2025,
Volume and Issue:
275, P. 110486 - 110486
Published: March 20, 2025
Language: Английский
Molecular Alterations in TP53, WNT, PI3K, TGF-Beta, and RTK/RAS Pathways in Gastric Cancer Among Ethnically Heterogeneous Cohorts
Cancers,
Journal Year:
2025,
Volume and Issue:
17(7), P. 1075 - 1075
Published: March 23, 2025
Gastric
cancer
(GC)
remains
a
leading
cause
of
cancer-related
mortality
worldwide,
with
significant
racial
and
ethnic
disparities
in
incidence,
molecular
characteristics,
patient
outcomes.
However,
genomic
studies
focusing
on
Hispanic/Latino
(H/L)
populations
remain
scarce,
limiting
our
understanding
ethnicity-specific
alterations.
This
study
aims
to
characterize
pathway-specific
mutations
TP53,
WNT,
PI3K,
TGF-Beta,
RTK/RAS
signaling
pathways
GC
compare
mutation
frequencies
between
H/L
Non-Hispanic
White
(NHW)
patients.
Additionally,
we
evaluate
the
impact
these
alterations
overall
survival
using
publicly
available
datasets.
We
conducted
bioinformatics
analysis
datasets
assess
pathway
genes.
A
total
800
patients
were
included
analysis,
comprising
83
717
NHW
Patients
stratified
by
ethnicity
(H/L
vs.
NHW)
differences
prevalence.
Chi-squared
tests
performed
rates
groups
Kaplan-Meier
was
used
based
among
both
Significant
observed
TP53
related
genes
when
comparing
less
prevalent
(9.6%
19%,
p
=
0.03).
Borderline
noted
WNT
patients,
more
frequent
(8.4%
4%,
0.08)
APC
being
significantly
higher
(3.6%
0.8%,
0.05).
Although
not
statistically
significant,
borderline
significance
pathways,
including
EGFR
(p
0.07),
FGFR1
0.05),
FGFR2
PTPN11
0.05)
PI3K
SMAD4
TGF-Beta
pathway.
Survival
revealed
no
exhibited
survival,
while
those
without
also
showed
impact.
In
contrast,
associated
differences.
These
findings
suggest
that
disruptions
may
have
distinct
prognostic
implications
provides
one
first
ethnicity-focused
analyses
GC,
revealing
racial/ethnic
dysregulation.
The
play
critical
role
greater
insights
emphasize
need
for
precision
medicine
approaches
account
genetic
heterogeneity
improve
care
outcomes
underrepresented
populations.
Language: Английский
Detecting PI3K and TP53 Pathway Disruptions in Early‐Onset Colorectal Cancer Among Hispanic/Latino Patients
Cecilia Monge,
No information about this author
Brigette Waldrup,
No information about this author
Sophia Manjarrez
No information about this author
et al.
Cancer Medicine,
Journal Year:
2025,
Volume and Issue:
14(7)
Published: April 1, 2025
ABSTRACT
Background/Objectives
This
study
aims
to
characterize
PI3K
and
TP53
pathway
alterations
in
Hispanic/Latino
patients
with
early‐onset
colorectal
cancer
(CRC),
focusing
on
potential
differences
compared
non‐Hispanic
White
patients.
Understanding
these
may
shed
light
the
molecular
basis
of
CRC
health
disparities.
Methods
Using
cBioPortal,
we
conducted
a
bioinformatics
analysis
evaluate
mutations
within
pathways.
were
stratified
by
age
ethnicity:
(1)
(<
50
years)
versus
late‐onset
(≥
(2)
Mutation
frequencies
assessed
using
descriptive
statistics,
chi‐squared
tests
comparing
proportions
between
groups.
Kaplan–Meier
survival
curves
generated
assess
overall
for
patients,
presence
or
absence
alterations.
Results
Significant
noted
when
(47.1%
vs.
35.2%,
p
=
9.39e‐3)
(89.1%
81.7%,
0.04)
more
prevalent
among
AKT1
(5.1%
1.8%,
0.03),
INPP4B
(4.3%
1.4%,
0.04),
TSC1
(7.2%
3.1%
0.03)
gene
also
significantly
higher
this
group.
observed
colon
adenocarcinomas
(90%
79.1%,
prevalence
tumor
site.
No
significant
cohort.
Conclusions
These
findings
highlight
distinct
role
disruptions
suggesting
that
pathway‐specific
mechanisms
drive
Insights
from
could
inform
development
precision
medicine
approaches
targeted
therapies
aimed
at
addressing
Language: Английский
An antibody targeting an immune checkpoint molecule BTN2A2 enhances anti-tumor immunity
Xiao Li,
No information about this author
Rong Hu,
No information about this author
Wei Chen
No information about this author
et al.
Neoplasia,
Journal Year:
2025,
Volume and Issue:
65, P. 101161 - 101161
Published: April 21, 2025
Language: Английский
Detecting PI3K and TP53 Pathway Disruptions in Early-Onset Colorectal Cancer Among Hispanic/Latino Patients
medRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 13, 2024
Abstract
Background/Objectives
This
study
aims
to
characterize
PI3K
and
TP53
pathway
alterations
in
Hispanic/Latino
patients
with
early-onset
colorectal
cancer
(CRC),
focusing
on
potential
differences
compared
non-Hispanic
White
(NHW)
patients.
Understanding
these
may
shed
light
the
molecular
basis
of
CRC
health
disparities.
Methods
Using
cBioPortal,
we
conducted
a
bioinformatics
analysis
evaluate
mutations
within
pathways.
cases
were
stratified
by
age
ethnicity:
(1)
(<50
years)
versus
late-onset
(≥50
(2)
NHW
Mutation
frequencies
assessed
using
descriptive
statistics,
chi-squared
tests
comparing
proportions
between
groups.
Kaplan-
Meier
survival
curves
generated
assess
overall
for
patients,
presence
or
absence
alterations.
Results
Significant
noted
when
more
prevalent
among
(90.5%
vs.
41.5%,
p
=
9.279e-5),
mTOR
also
significantly
higher
this
group
(14.3%
1.5%,
0.043).
No
significant
observed
early-
onset
cohort.
Additionally,
showed
improved
clinical
outcomes
present
(p
=5.4e-4).
Conclusions
These
findings
highlight
distinct
role
disruptions
suggesting
that
pathway-specific
mechanisms
drive
Insights
from
could
inform
development
precision
medicine
approaches
targeted
therapies
aimed
at
addressing
disparities
improving
diverse
patient
populations.
Language: Английский