Nature Communications,
Journal Year:
2025,
Volume and Issue:
16(1)
Published: Feb. 6, 2025
Genome-wide
association
studies
have
identified
thousands
of
genetic
variants
associated
with
non-small
cell
lung
cancer
(NSCLC),
however,
it
is
still
challenging
to
determine
the
causal
and
improve
disease
risk
prediction.
Here,
we
applied
massively
parallel
reporter
assays
perform
NSCLC
variant-to-function
mapping
at
scale.
A
total
1249
candidate
were
evaluated,
30
potential
within
12
loci
identified.
Accordingly,
proposed
three
architectures
underlying
susceptibility:
multiple
in
a
single
haplotype
block
(e.g.
4q22.1),
blocks
5p15.33),
variant
20q11.23).
We
developed
modified
polygenic
score
using
from
Chinese
populations,
improving
performance
prediction
450,821
Europeans
UK
Biobank.
Our
findings
not
only
augment
understanding
architecture
susceptibility
but
also
provide
strategy
advance
stratification.
Determining
GWAS
crucial
for
mechanisms.
authors
apply
MPRA
(NSCLC)
scale
propose
distinct
susceptibility.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: April 15, 2024
Abstract
Great
efforts
are
being
made
to
develop
advanced
polygenic
risk
scores
(PRS)
improve
the
prediction
of
complex
traits
and
diseases.
However,
most
existing
PRS
primarily
trained
on
European
ancestry
populations,
limiting
their
transferability
non-European
populations.
In
this
article,
we
propose
a
novel
method
for
generating
multi-ancestry
Polygenic
Risk
scOres
based
enSemble
PEnalized
Regression
models
(PROSPER).
PROSPER
integrates
genome-wide
association
studies
(GWAS)
summary
statistics
from
diverse
populations
ancestry-specific
with
improved
predictive
power
minority
The
uses
combination
$${{{{{{\mathscr{L}}}}}}}_{1}$$
L1
(lasso)
$${{{{{{\mathscr{L}}}}}}}_{2}$$
2
(ridge)
penalty
functions,
parsimonious
specification
parameters
across
an
ensemble
step
combine
generated
different
parameters.
We
evaluate
performance
other
methods
large-scale
simulated
real
datasets,
including
those
23andMe
Inc.,
Global
Lipids
Genetics
Consortium,
All
Us.
Results
show
that
can
substantially
compared
alternative
wide
variety
genetic
architectures.
data
analyses,
example,
increased
out-of-sample
R
2
continuous
by
average
70%
state-of-the-art
Bayesian
(PRS-CSx)
in
African
population.
Further,
is
computationally
highly
scalable
analysis
large
SNP
contents
many
Cell Genomics,
Journal Year:
2024,
Volume and Issue:
4(4), P. 100539 - 100539
Published: April 1, 2024
Polygenic
risk
scores
(PRSs)
are
now
showing
promising
predictive
performance
on
a
wide
variety
of
complex
traits
and
diseases,
but
there
exists
substantial
gap
across
populations.
We
propose
MUSSEL,
method
for
ancestry-specific
polygenic
prediction
that
borrows
information
in
summary
statistics
from
genome-wide
association
studies
(GWASs)
multiple
ancestry
groups
via
Bayesian
hierarchical
modeling
ensemble
learning.
In
our
simulation
data
analyses
four
distinct
studies,
totaling
5.7
million
participants
with
ancestral
diversity,
MUSSEL
shows
compared
to
alternatives.
For
example,
has
an
average
gain
R
Human Reproduction Update,
Journal Year:
2024,
Volume and Issue:
30(5), P. 529 - 557
Published: May 28, 2024
The
genetic
composition
of
embryos
generated
by
in
vitro
fertilization
(IVF)
can
be
examined
with
preimplantation
testing
(PGT).
Until
recently,
PGT
was
limited
to
detecting
single-gene,
high-risk
pathogenic
variants,
large
structural
and
aneuploidy.
Recent
advances
have
made
genome-wide
genotyping
IVF
feasible
affordable,
raising
the
possibility
screening
for
their
risk
polygenic
diseases
such
as
breast
cancer,
hypertension,
diabetes,
or
schizophrenia.
Despite
a
heated
debate
around
this
new
technology,
called
embryo
(PES;
also
PGT-P),
it
is
already
available
patients
some
countries.
Several
articles
studied
epidemiological,
clinical,
ethical
perspectives
on
PES;
however,
comprehensive,
principled
review
emerging
field
missing.
JAMA,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 16, 2024
Importance
Polygenic
risk
scores
(PRSs)
for
coronary
heart
disease
(CHD)
are
a
growing
clinical
and
commercial
reality.
Whether
existing
provide
similar
individual-level
assessments
of
susceptibility
remains
incompletely
characterized.
Objective
To
characterize
the
agreement
CHD
PRSs
that
perform
similarly
at
population
level.
Design,
Setting,
Participants
Cross-sectional
study
participants
from
diverse
backgrounds
enrolled
in
All
Us
Research
Program
(AOU),
Penn
Medicine
BioBank
(PMBB),
University
California,
Los
Angeles
(UCLA)
ATLAS
Precision
Health
Biobank
with
electronic
health
record
genotyping
data.
Exposures
published
new
developed
separately
testing
samples.
Main
Outcomes
Measures
performed
population-level
prediction
were
identified
by
comparing
calibration
discrimination
models
prevalent
CHD.
Individual-level
was
tested
intraclass
correlation
coefficient
(ICC)
Light
κ.
Results
A
total
48
calculated
171
095
AOU
participants.
The
mean
(SD)
age
56.4
(16.8)
years.
104
947
(61.3%)
female.
35
590
(20.8%)
most
genetically
to
an
African
reference
population,
29
801
(17.4%)
admixed
American
100
493
(58.7%)
European
remaining
Central/South
Asian,
East
Middle
Eastern
populations.
There
17
589
(10.3%)
153
506
without
(89.7%)
When
included
model
CHD,
46
had
practically
equivalent
Brier
area
under
receiver
operator
curves
(region
practical
equivalence
±0.02).
Twenty
percent
least
1
score
both
top
bottom
5%
risk.
Continuous
individual
predictions
poor
(ICC,
0.373
[95%
CI,
0.372-0.375]).
κ,
used
evaluate
consistency
assignment,
did
not
exceed
0.56.
Analysis
among
41
193
PMBB
53
092
yielded
different
sets
scores,
which
also
lacked
agreement.
Conclusions
Relevance
level
demonstrated
highly
variable
estimates
Recognizing
may
generate
incongruent
estimates,
effective
implementation
will
require
refined
statistical
methods
quantify
uncertainty
strategies
communicate
this
patients
clinicians.
Alzheimer s & Dementia,
Journal Year:
2024,
Volume and Issue:
20(3), P. 1978 - 1987
Published: Jan. 6, 2024
Abstract
INTRODUCTION
We
estimated
the
ages
when
associations
between
Alzheimer's
disease
(AD)
genes
and
brain
volumes
begin
among
middle‐aged
older
adults.
METHODS
Among
45,616
dementia‐free
participants
aged
45–80,
linear
regressions
tested
whether
genetic
risk
score
for
AD
(AD‐GRS)
had
age‐dependent
with
38
regional
magnetic
resonance
imaging
volumes.
Models
were
adjusted
sex,
assessment
center,
ancestry,
intracranial
volume.
RESULTS
AD‐GRS
modified
effect
of
age
(per
decade)
on
amygdala
(−0.41
mm
3
[−0.42,
−0.40]);
hippocampus
(−0.45
[−0.45,
−0.44]),
nucleus
accumbens
(−0.55
[−0.56,
−0.54]),
thalamus
(−0.38
[−0.39,
−0.37]),
medial
orbitofrontal
cortex
(−0.23
[−0.24,
−0.22]).
Trends
began
by
45
thalamus,
48
hippocampus,
51
amygdala,
53
cortex.
An
excluding
apolipoprotein
E
(
APOE
)
was
additionally
associated
entorhinal
middle
temporal
cortices.
DISCUSSION
other
that
increase
predict
lower
hippocampal
age.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(2), P. 1231 - 1231
Published: Jan. 19, 2024
Late-onset
Alzheimer’s
disease
is
the
leading
cause
of
dementia
worldwide,
accounting
for
a
growing
burden
morbidity
and
mortality.
Diagnosing
before
symptoms
are
established
clinically
challenging,
but
would
provide
therapeutic
windows
disease-modifying
interventions.
Blood
biomarkers,
including
genetics,
proteins
metabolites,
emerging
as
powerful
predictors
at
various
timepoints
within
course,
preclinical
stage.
In
this
review,
we
discuss
recent
advances
in
such
blood
biomarkers
determining
risk.
We
highlight
how
leveraging
polygenic
risk
scores,
based
on
genome-wide
association
studies,
can
help
stratify
individuals
along
their
profile.
summarize
studies
analyzing
protein
well
report
proteomic-
metabolomic-based
prediction
models.
Finally,
combination
multi-omic
potentially
be
used
memory
clinics
diagnosis
to
assess
dynamic
an
individual
has
developing
dementia.
medRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Feb. 13, 2024
The
313-variant
polygenic
risk
score
(PRS313)
provides
a
promising
tool
for
breast
cancer
prediction.
However,
evaluation
of
the
PRS313
across
different
European
populations
which
could
influence
estimation
has
not
been
performed.
Here,
we
explored
distribution
using
genotype
data
from
94,072
females
without
cancer,
European-ancestry
21
countries
participating
in
Breast
Cancer
Association
Consortium
(BCAC)
and
225,105
female
participants
UK
Biobank.
mean
differed
markedly
countries,
being
highest
south-eastern
Europe
lowest
north-western
Europe.
Using
overall
to
categorise
individuals
leads
overestimation
underestimation
some
respectively.
Adjustment
principal
components
explained
most
observed
heterogeneity
PRS.
Country-specific
PRS
distributions
may
be
used
calibrate
categories
countries.