Pathway-specific genomic alterations in pancreatic cancer across diverse cohorts
medRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 3, 2025
Abstract
Background/Objectives
Pancreatic
cancer
(PC)
is
an
aggressive
malignancy
with
rising
incidence
and
poor
survival
rates.
While
Hispanic/Latino
(H/L)
patients
have
a
lower
overall
compared
to
Non-Hispanic
White
(NHW)
patients,
they
are
diagnosed
at
younger
ages,
often
present
more
advanced
disease,
experience
worse
outcomes.
The
molecular
drivers
underlying
these
disparities
remain
poorly
understood.
Key
oncogenic
pathways,
including
TP53,
WNT,
PI3K,
TGF-Beta,
RTK/RAS,
play
crucial
roles
in
tumor
progression,
therapy
resistance,
response
targeted
treatments.
However,
their
ethnicity-specific
alterations
prognostic
implications
PC
largely
unexplored.
This
study
aims
characterize
pathway-specific
mutations
among
H/L
NHW
assess
mutation
burden,
identify
using
publicly
available
datasets.
findings
may
provide
critical
insights
optimize
precision
medicine
strategies
enhance
therapies
for
underrepresented
populations.
Methods
A
bioinformatics
analysis
was
performed
datasets
evaluate
frequencies
genes
associated
the
TP53
pathways.
included
4,248
407
identified
as
3,841
NHW.
Patients
were
stratified
by
ethnicity
differences
prevalence.
Chi-squared
tests
conducted
compare
rates
between
groups,
while
Kaplan-Meier
based
on
alterations.
Results
Significant
observed
TGF-Beta
pathway
patients.
less
prevalent
(18.4%
vs.
24.4%,
p
=
8.6e-3).
Additionally,
related
showed
significant
alterations,
SMAD2
(1.5%
0.4%,
6.3e-3)
SMAD4
(15%
19.9%,
0.02)
exhibiting
notable
differences.
Although
not
statistically
overall,
borderline
significance
ERBB4
(3.4%
1.8%,
0.03),
ALK
(2.7%
1.1%,
0.01),
HRAS
(1.2%
0.1%,
1.3e-4),
RIT1
(0.7%
0.03)
RTK/RAS
pathway,
well
CTNNB1
(2.9%
1.3%,
0.01)
WNT
pathway.
Survival
revealed
no
exhibited
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
Ethnicity-Specific Molecular Alterations in MAPK and JAK/STAT Pathways in Early-Onset Colorectal Cancer
Cancers,
Journal Year:
2025,
Volume and Issue:
17(7), P. 1093 - 1093
Published: March 25, 2025
Background/Objectives:
Early-onset
colorectal
cancer
(EOCRC),
defined
as
(CRC)
diagnosed
before
the
age
of
50,
has
been
increasing
in
incidence,
particularly
among
Hispanic/Latino
(H/L)
populations.
Despite
this
trend,
underlying
molecular
mechanisms
driving
EOCRC
disparities
remain
poorly
understood.
The
MAPK
and
JAK/STAT
pathways
play
critical
roles
tumor
progression,
proliferation,
treatment
response;
however,
their
involvement
ethnicity-specific
differences
remains
unclear.
This
study
aims
to
characterize
alterations
pathway
genes
patients,
focusing
on
between
H/L
Non-Hispanic
White
(NHW)
patients.
Additionally,
we
assess
whether
these
pathway-specific
contribute
survival
outcomes
Methods:
We
conducted
a
bioinformatics
analysis
using
publicly
available
CRC
datasets
mutation
frequencies
genes.
A
total
3412
patients
were
included
study,
comprising
302
3110
NHW
Patients
stratified
by
(EOCRC:
<50
years,
late-onset
cancer-LOCRC:
≥50
years)
ethnicity
(H/L
vs.
NHW)
evaluate
prevalence.
Chi-squared
tests
performed
compare
rates
groups,
Kaplan-Meier
was
used
overall
based
both
Results:
Significant
observed
pathway-related
when
comparing
LOCRC
NF1
(11.6%
3.7%,
p
=
0.01),
ACVR1
(2.9%
0%,
0.04),
MAP2K1
(3.6%
0.01)
more
prevalent
EOCRC,
while
BRAF
mutations
(18.3%
5.1%,
9.1
×
10-4)
significantly
frequent
key
such
AKT1
(5.1%
1.8%,
0.03),
MAPK3
0.7%,
6.83
10-3),
6.1%,
0.02),
PDGFRB
(5.8%
2.1%,
0.02)
enriched
However,
no
significant
nor
Survival
revealed
borderline
whereas
with
exhibited
differences.
In
contrast,
not
associated
These
findings
suggest
that
may
have
distinct
prognostic
implications
justifying
further
investigation
into
potential
role
progression
response.
Conclusions:
dysregulation
plays
potentially
contributing
development
higher
prevalence
compared
underscores
need
explore
biology
therapeutic
targets.
Conversely,
lack
suggests
major
differential
within
population.
highlighted
relevance
alterations.
insights
emphasize
importance
precision
medicine
approaches
consider
genetic
heterogeneity
improve
for
Language: Английский
Comparative Genomic Analysis of Key Oncogenic Pathways in Hepatocellular Carcinoma Among Diverse Populations
Cancers,
Journal Year:
2025,
Volume and Issue:
17(8), P. 1309 - 1309
Published: April 13, 2025
Background/Objectives:
Hepatocellular
carcinoma
(HCC)
is
a
leading
cause
of
cancer-related
mortality,
with
significant
racial
and
ethnic
disparities
in
incidence,
tumor
biology,
clinical
outcomes.
Hispanic/Latino
(H/L)
patients
tend
to
be
diagnosed
at
younger
ages
more
advanced
stages
than
Non-Hispanic
White
(NHW)
patients,
yet
the
molecular
mechanisms
underlying
these
remain
poorly
understood.
Key
oncogenic
pathways,
including
RTK/RAS,
TGF-beta,
WNT,
PI3K,
TP53,
play
pivotal
roles
progression,
treatment
resistance,
response
targeted
therapies.
However,
ethnicity-specific
alterations
within
pathways
largely
unexplored.
This
study
aims
compare
pathway-specific
mutations
HCC
between
H/L
NHW
assess
mutation
burden,
identify
ethnicity-associated
drivers
using
publicly
available
datasets.
Findings
from
this
analysis
may
inform
precision
medicine
strategies
for
improving
early
detection
therapies
underrepresented
populations.
Methods:
We
conducted
bioinformatic
datasets
frequencies
TP53
pathway
genes.
included
547
consisting
69
478
patients.
Patients
were
stratified
by
ethnicity
(H/L
vs.
NHW)
evaluate
differences
prevalence.
Chi-squared
tests
used
frequencies,
while
Kaplan–Meier
survival
assessed
overall
associated
both
Results:
Significant
observed
RTK/RAS
pathway-related
genes,
particularly
FGFR4
mutations,
which
prevalent
compared
(4.3%
0.6%,
p
=
0.02).
Additionally,
IGF1R
exhibited
borderline
significance
(7.2%
2.9%,
0.07).
In
PI3K
pathway,
INPP4B
frequent
1%,
0.06),
while,
TGF-beta
TGFBR2
common
(2.9%
0.4%,
0.07),
suggesting
potential
variations.
Survival
revealed
no
indicating
that
alone
not
fully
explain
role
additional
factors
such
as
immune
response,
environmental
exposures,
or
access
Conclusions:
provides
one
first
ethnicity-focused
analyses
key
HCC,
revealing
distinct
The
findings
suggest
(FGFR4,
IGF1R),
(INPP4B),
(TGFBR2)
among
their
prognostic
remains
unclear.
These
insights
emphasize
importance
incorporating
profiling
into
approaches
improve
detection,
therapies,
outcomes
Language: Английский
Molecular Heterogeneity in Early-Onset Colorectal Cancer: Pathway-Specific Insights in High-Risk Populations
Cancers,
Journal Year:
2025,
Volume and Issue:
17(8), P. 1325 - 1325
Published: April 15, 2025
Background/Objectives:
The
incidence
of
early-onset
colorectal
cancer
(EOCRC),
defined
as
diagnosis
before
age
50,
has
been
rising
at
an
alarming
rate,
with
Hispanic/Latino
(H/L)
individuals
experiencing
the
most
significant
increases
in
both
and
mortality.
Despite
this
growing
public
health
concern,
molecular
mechanisms
driving
EOCRC
disparities
remain
poorly
understood.
Oncogenic
pathways
such
WNT,
TGF-beta,
RTK/RAS
are
critical
(CRC)
progression,
yet
their
specific
roles
across
diverse
populations
have
not
extensively
studied.
This
research
seeks
to
identify
alterations
within
these
by
comparing
cases
H/L
non-Hispanic
White
(NHW)
individuals.
Furthermore,
we
explore
clinical
significance
findings
inform
precision
medicine
strategies
tailored
high-risk
populations.
Methods:
To
investigate
mutation
frequencies
genes
associated
pathways,
conducted
a
bioinformatics
analysis
using
publicly
available
CRC
datasets.
study
cohort
consisted
3412
patients,
including
302
3110
NHW
patients
were
categorized
based
on
(EOCRC:
<50
years;
late-onset
[LOCRC]:
≥50
years)
population
group
(H/L
vs.
NHW)
assess
variations
prevalence.
Statistical
comparisons
rates
between
groups
chi-squared
tests,
while
Kaplan–Meier
survival
was
employed
evaluate
overall
differences
pathway
alterations.
Results:
Notable
distinctions
identified
LOCRC
among
exhibiting
lower
frequency
compared
(66.7%
79.3%,
p
=
0.01).
Within
pathway,
mutations
CBL
(p
<
0.05)
NF1
significantly
more
prevalent
(5.8%
1.2%
11.6%
3.7%,
respectively),
whereas
BRAF
notably
less
frequent
than
(5.1%
18.3%,
0.05).
Comparisons
from
revealed
distinct
pathway-specific
that
common
These
included
RNF43
(12.3%
6.7%,
WNT
BMPR1A
1.8%,
TGF-beta
multiple
alterations,
MAPK3
(3.6%
0.7%,
0.05),
1.4%,
(11.6%
6.1%,
Survival
did
reveal
statistically
However,
presence
improved
outcomes,
suggesting
potential
ethnicity-specific
prognostic
implications.
Conclusions:
highlights
substantial
heterogeneity
present
EOCRC,
particularly
exhibited
genetic
higher
prevalence
CBL,
NF1,
RNF43,
BMPR1A,
counterparts.
Additionally,
LOCRC.
differences,
impact
outcomes
patients.
survival.
emphasize
necessity
for
further
clarify
underrepresented
groups.
Language: Английский
Assessment of MYC Gene and WNT Pathway Alterations in Early-Onset Colorectal Cancer Among Hispanic/Latino Patients Using Integrated Multi-Omics Approaches
medRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 8, 2024
ABSTRACT
Colorectal
cancer
(CRC)
has
increased
at
an
alarming
rate
amongst
younger
(<
50
years)
individuals.
Such
early-onset
colorectal
(EOCRC)
been
particularly
notable
within
the
Hispanic/Latino
population.
Yet,
this
population
not
sufficiently
profiled
in
terms
of
two
critical
elements
CRC
--
MYC
proto-oncogene
and
WNT
signaling
pathway.
Here,
we
performed
a
comprehensive
multi-omics
analysis
on
30
37
late-onset
(≥
samples
from
patients.
Our
included
DNA
exome
sequencing
for
somatic
mutations,
copy
number
alterations,
global
local
genetic
similarity.
Using
RNA
sequencing,
also
assessed
differential
gene
expression,
cellular
pathways,
fusions.
We
then
compared
our
findings
patient
with
publicly
available
data
Non-Hispanic
White
cohorts.
Across
all
patients,
which
had
median
1000
Genomes
Project
Peruvian-in-Lima-like
(1KG-PEL-like)
similarity
proportion
60%,
identified
41
pathway
genes
significant
mutations.
Six
important
examples
were
APC,
TCF7L2,
DKK1,
DKK2,
FZD10,
LRP5.
Notably,
patients
mutations
DKK1
DKK2
highest
1KG-PEL-like
(79%).
When
cohort
to
cohorts,
four
these
key
LRP5
both
risk
association
analyses
expression.
Interestingly,
tumors
(vs.
late-onset)
exhibited
distinct
alterations
expression
profiles;
differences
drug-targetable
genes.
novel
fusion,
RSPO3,
tumors;
it
was
associated
enhanced
signaling.
This
integrative
underscores
molecular
features
EOCRC
population;
reveals
potential
avenues
tailored
precision
medicine
therapies;
emphasizes
importance
approaches
studying
carcinogenesis.
expect
help
contribute
towards
reducing
health
disparities.
Significance
study
offers
profiling
underserved
community,
explores
implications
provides
insights
into
ABSTRACT(short
version)
risen
(<50
yrs)
cases.
Both
its
incidence
higher
rates
mortality
are
especially
pronounced
Although
well-established
CRC,
lack
sufficient
about
what
role
play
young
assess
how
altered
CRC.
analyzed
using
approaches,
including
sequencing.
The
strategy
allowed
us
identify
between
early
tumors.
Specifically,
prevalent
:
,
FZD10
.
Unique
mutational
profiles
linked
high
Peruvians-from-Lima-like
These
highlight
need
targeted
address
characteristics
underrepresented
populations.
Language: Английский