Comparative Genomic Analysis of Key Oncogenic Pathways in Hepatocellular Carcinoma Among Diverse Populations
Cancers,
Год журнала:
2025,
Номер
17(8), С. 1309 - 1309
Опубликована: Апрель 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
Язык: Английский
Molecular Heterogeneity in Early-Onset Colorectal Cancer: Pathway-Specific Insights in High-Risk Populations
Cancers,
Год журнала:
2025,
Номер
17(8), С. 1325 - 1325
Опубликована: Апрель 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.
Язык: Английский