medRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 5, 2024
Abstract
The
benefits
of
returning
clinically
actionable
genetic
results
to
participants
in
research
cohorts
are
accruing,
yet
such
a
genome-first
approach
is
challenging.
Here,
we
describe
the
return
two
founder
populations
from
Scotland.
Between
2005
and
2015,
recruited
>4,000
adults
with
grandparents
Orkney
Shetland
into
Viking
Genes
cohort.
Return
data
was
not
offered
at
baseline,
but
2023
sent
invitations
for
consent
findings
participants.
We
generated
exome
sequence
4,198
participants,
used
ACMG
v3.2
list
81
genes,
ClinVar
review
pathogenicity
status,
plus
manual
curation,
develop
pipeline
identify
potentially
variants.
identified
104
individuals
(2.5%)
carrying
108
genotypes
39
variants
23
validated
these.
Working
NHS
clinical
genetics
service,
which
provided
counselling
verification
results,
after
expert
review,
notified
64
consenting
(or
their
next
kin)
genotypes.
Ten
across
seven
genes
(
BRCA1,
BRCA2,
ATP7B,
TTN,
KCNH2,
MUTYH,
GAA
)
have
risen
50
>3,000-fold
frequency
through
drift
ancestral
island
localities.
one
first
UK
findings,
providing
an
ethical
logistical
exemplar
results.
structure
Northern
Isles
Scotland,
multiple
effects,
provides
unique
opportunity
tailored
primary
secondary
prevention
screening.
medRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 21, 2025
Abstract
Background
Peripartum
cardiomyopathy
(PPCM)
presents
substantial
risk
of
maternal
mortality,
but
underlying
cause
remains
unsettled.
Methods
We
compared
the
prevalence
dilated
(DCM)-relevant
genetic
variants
in
452
female
patients
(probands)
African
and
European
ancestry
(AA,
EA)
with
PPCM
or
DCM
who
had
been
pregnant
at
least
once.
Pathogenic
likely
pathogenic
(P/LP)
were
identified
DCM-associated
genes.
Risk
partial
DCM,
defined
as
left
ventricular
enlargement
a
ejection
fraction
<50%,
665
FDRs
probands.
Results
The
estimated
prevalences
P/LP
findings
among
67
probands
to
385
comparable
within
(for
AA,
7.8%
[95%
CI:
0.0%-
15.7%]
vs.
1.1%-14.4%];
for
EA,
29.5%
[12.5%-46.5%]
29.8%
[15.5%-44.2%]).
DCM/partial
was
not
lower
relative
(HR,
0.77;
95%
CI,
0.47
–
1.28).
For
an
FDR
non-Hispanic
EA
proband
PPCM,
lowest
by
age
80
26.8%
(95%
15.0%-45.0%)
33.2%
21.2%-49.5%)
DCM.
Further
validating
using
set
genes
common
between
studies,
(26.6%;
12.6%-
40.6%)
higher
than
general
population
estimate
from
UK
Biobank
study
(0.6%),
Also,
lowest-risk
(7.0%
0%-14.1%]
females,
9.0%
1.6%-16.3%]
males)
estimates
another
(0.30%
0.63%
males).
Conclusions
Comparing
women
those
similar
DCM-relevant
their
first-degree
relatives
observed.
These
findings,
along
comparisons
showing
FDRs,
strengthen
evidence
basis
underscore
need
clinical
evaluations
patients.
Clinical
Trial
clinicaltrials.gov,
NCT03037632
Perspective
What
is
new?
This
first
use
familial
risk,
shown
phenotypes
(FDRs)
gain
insight
into
genetics
PPCM.
rare
diagnosed
groups.
In
ancestry,
estimate.
phenotype
population-based
are
implications?
this
strengthens
that
DCM-related
key
factor
A
evaluation
indicated
following
established
guidelines
case
men
Circulation Genomic and Precision Medicine,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 28, 2025
In
recent
years,
there
has
been
a
considerable
influx
of
publications
assessing
the
penetrance
pathogenic
variants
associated
with
monogenic
diseases
dominant
inheritance.
As
large
and
diverse
groups
have
sequenced,
it
become
clear
that
incomplete
is
common
to
most
hereditary
diseases,
as
numerous
molecular,
genetic,
or
environmental
factors
can
cause
clinical
diversity
among
carriers
same
variant.
this
review,
we
discuss
some
these
focus
on
existing
approaches
estimating
penetrance,
depending
data
available
their
application
different
sets.
We
also
list
currently
large-scale
sets
estimates.
Journal of the American Heart Association,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 18, 2024
Precision
medicine,
which
among
other
aspects
includes
an
individual's
genomic
data
in
diagnosis
and
management,
has
become
the
standard‐of‐care
for
Mendelian
cardiovascular
disease
(CVD).
However,
early
identification
management
of
asymptomatic
patients
with
potentially
lethal
manageable
CVD
through
screening,
is
promise
precision
health,
remains
unsolved
challenge.
The
reduced
costs
sequencing
have
enabled
creation
biobanks
containing
in‐depth
genetic
health
information,
facilitated
understanding
variation,
penetrance,
expressivity,
moving
us
closer
to
genotype‐first
screening
individuals
CVD.
This
approach
could
transform
care
by
diagnostic
refinement
facilitating
prevention
or
therapeutic
interventions.
Yet,
potential
benefits
must
be
weighed
against
risks,
include
evolving
variant
pathogenicity
assertion
variants
low
penetrance;
costly,
stressful,
inappropriate
evaluations;
negative
psychological
impact;
disqualification
employment
competitive
sports;
denial
insurance.
Furthermore,
natural
history
often
unpredictable,
making
those
who
will
benefit
from
preventive
measures
a
priority.
Currently,
there
insufficient
evidence
that
population‐based
can
reduce
adverse
outcomes
at
reasonable
cost
extent
outweighs
harms
true‐positive
false‐positive
results.
Besides
technical,
clinical,
financial
burdens,
ethical
legal
pose
unprecedented
challenges.
review
highlights
key
developments
field
approaches
summarizes
challenges
solutions
pave
way
implementing
this
clinical
care.
Journal of Cardiovascular Translational Research,
Год журнала:
2024,
Номер
17(5), С. 1119 - 1139
Опубликована: Май 21, 2024
Abstract
Heart
failure
(HF)
remains
a
major
cause
of
mortality
and
morbidity
worldwide.
Understanding
the
genetic
basis
HF
allows
for
development
disease-modifying
therapies,
more
appropriate
risk
stratification,
personalised
management
patients.
The
advent
next-generation
sequencing
has
enabled
genome-wide
association
studies;
moving
beyond
rare
variants
identified
in
Mendelian
fashion
detecting
common
DNA
associated
with
disease.
We
summarise
latest
GWAS
variant
data
on
mixed
refined
aetiologies,
cardiomyopathies.
describe
recent
understanding
functional
impact
titin
highlight
FHOD3
as
novel
cardiomyopathy-associated
gene.
future
directions
research
this
field
how
can
be
leveraged
to
improve
care
patients
HF.
Graphical
Journal of Cardiovascular Translational Research,
Год журнала:
2024,
Номер
18(1), С. 110 - 120
Опубликована: Авг. 19, 2024
Hypertrophic
cardiomyopathy
is
often
caused
by
pathogenic
MYBPC3
variants.
The
study
of
Italian
patients
with
HCM
and
MYBPC3(NM_000256.3):c.913_914del
showed
a
higher
disease
penetrance
in
males
frequency
arrhythmias
compared
to
other
likely
(LP/P)
We
investigated
the
clinical
outcomes
Slovenian
probands
LP/P
variants,
estimated
variant
results
an
study.
identified
31
haplotype-matched
individuals
MYBPC3:c.913_914del
34
observed
some
significant
differences
echocardiographic
characteristics
adverse
cardiac
events
between
MYBPC3:c913_914del.
were
unable
replicate
previous
findings
for
MYBPC3:c.913_914del,
highlighting
complexity
genotype-phenotype
associations.
International Journal of Molecular Sciences,
Год журнала:
2024,
Номер
25(21), С. 11460 - 11460
Опубликована: Окт. 25, 2024
Dilated
cardiomyopathy
(DCM)
is
characterized
by
reduced
systolic
function
and
cardiac
dilation.
Cases
without
an
identified
secondary
cause
are
classified
as
idiopathic
dilated
(IDC).
Over
the
last
35
years,
many
cases
of
IDC
have
increasingly
been
recognized
to
be
genetic
in
etiology
with
a
core
set
definitively
causal
genes
up
40%
cases.
While
over
200
associated
DCM,
evidence
supporting
pathogenicity
for
most
remains
limited.
Further,
rapid
advances
sequencing
bioinformatics
recently
revealed
complex
spectrum
ranging
from
monogenic
polygenic
DCM.
These
also
led
discovery
modifier
variants
forms
DCM
(e.g.,
alcohol-induced
cardiomyopathy).
Current
guidelines
recommend
counseling
screening,
well
endorsing
handful
genotype-specific
therapies
device
placement