Social Studies of Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 7, 2024
The
production
of
large,
shareable
datasets
is
increasingly
prioritized
for
a
wide
range
research
purposes.
In
biomedicine,
especially
in
the
United
States,
calls
to
enhance
representation
historically
underrepresented
populations
databases
that
integrate
genomic,
health
history,
demographic
and
lifestyle
data
have
also
increased
order
support
goals
precision
medicine.
Understanding
assumptions
values
shape
design
such
practices
through
which
they
are
constructed
pressing
area
social
inquiry.
We
examine
how
diversity
conceptualized
U.S.
medicine
initiatives,
specifically
attending
measures
diversity,
including
race,
ethnicity,
medically
underserved
status,
harmonized
build
commensurate
datasets.
three
case
studies,
we
show
symbolic
embrace
both
harmonization
efforts
can
compromise
utility
data.
Although
big
diverse
population
heralded
as
keys
unlocking
promises
research,
these
cases
reveal
core
tensions
between
what
kinds
seen
central
'the
science'
marginalized.
JAMA,
Journal Year:
2023,
Volume and Issue:
330(5), P. 432 - 432
Published: Aug. 1, 2023
Importance
Black
patients
with
dilated
cardiomyopathy
(DCM)
have
increased
familial
risk
and
worse
outcomes
than
White
patients,
but
most
DCM
genetic
data
are
from
patients.
Objective
To
compare
the
rare
variant
architecture
of
by
genomic
ancestry
within
a
diverse
population
DCM.
Design
Cross-sectional
study
enrolling
who
self-identified
as
non-Hispanic
Black,
Hispanic,
or
June
7,
2016,
to
March
15,
2020,
at
25
US
advanced
heart
failure
programs.
Variants
in
36
genes
were
adjudicated
pathogenic,
likely
uncertain
significance.
Exposure
Presence
Main
Outcomes
Measures
classified
pathogenic/likely
pathogenic/uncertain
significance
clinically
actionable
(pathogenic/likely
pathogenic).
Results
A
total
505,
667,
26
predominantly
African,
European,
Native
American
ancestry,
respectively,
included.
Compared
European
lower
percentage
African
had
variants
(8.2%
[95%
CI,
5.2%-11.1%]
vs
25.5%
21.3%-29.6%]),
reflecting
odds
for
those
any
pathogenic
variant/likely
variant/variant
(odds
ratio,
0.25
0.17-0.37]).
On
average,
fewer
TTN
(difference,
−0.09
−0.14
−0.05])
other
predicted
loss
function
disease-causing
mechanism
−0.06
−0.11
−0.02]).
However,
number
variants/likely
variants/variants
was
more
comparable
between
groups
−0.07
−0.22
0.09])
due
larger
non-
non–predicted
significance,
mostly
missense,
0.15
0.00-0.30]).
Published
clinical
case-based
evidence
supporting
pathogenicity
less
available
found
only
(
P
<
.001).
Conclusion
Relevance
Patients
differences
lack
representation
sets.
Frontiers in Genetics,
Journal Year:
2023,
Volume and Issue:
14
Published: Jan. 23, 2023
Background:
Ancestry
is
often
viewed
as
a
more
objective
and
less
objectionable
population
descriptor
than
race
or
ethnicity.
Perhaps
reflecting
this,
usage
of
the
term
"ancestry"
rapidly
growing
in
genetics
research,
with
ancestry
groups
referenced
many
situations.
The
appropriate
descriptors
research
an
ongoing
source
debate.
Sound
normative
guidance
should
rest
on
empirical
understanding
current
usage;
case
ancestry,
questions
about
how
researchers
use
concept,
what
they
mean
by
it,
remain
unanswered.
Methods:
Systematic
literature
analysis
205
articles
at
least
tangentially
related
to
human
health
from
diverse
disciplines
that
concept
semi-structured
interviews
44
lead
authors
some
those
articles.
Results:
relied
structure
key
methodological
approaches.
Yet
struggle
define
and/or
offer
definitions.
For
genetic
but
for
many-including
geneticists-ancestry
only
genetics.
interviewees,
explicitly
equated
ethnicity;
others
it
distanced
it.
operationalized
using
multiple
data
types
(including
variation
self-reported
identities),
though
large
fraction
(26%)
impossible
tell
which
were
used.
Across
there
no
consistent
relates
concepts
structure),
nor
these
relate
each
other.
Beyond
this
conceptual
confusion,
practices
summarizing
patterns
uninterrogated
conventions.
Continental
labels
are
far
most
common
type
label
applied
groups.
We
observed
instances
slippage
between
reference
racial
Conclusion:
practice
highly
ambiguous
counterpart
It
not
uniquely
"biological"
construct,
does
represent
"safe
haven"
seeking
avoid
evoking
ethnicity
their
work.
Distinguishing
broadly
will
be
necessary
part
providing
clarity.
Circulation,
Journal Year:
2023,
Volume and Issue:
148(11), P. 872 - 881
Published: Aug. 29, 2023
BACKGROUND:
Dilated
cardiomyopathy
(DCM)
can
lead
to
advanced
disease,
defined
herein
as
necessitating
a
durable
left
ventricular
assist
device
or
heart
transplant
(LVAD/HT).
DCM
is
known
have
genetic
basis,
but
the
association
of
rare
variant
genetics
with
has
not
been
studied.
METHODS:
We
analyzed
clinical
and
sequence
data
from
patients
enrolled
between
2016
2021
in
US
multisite
Precision
Medicine
Study,
which
was
geographically
diverse,
multiracial,
multiethnic
cohort.
Clinical
evaluation
included
standardized
patient
interview
medical
record
query
forms.
severity
classified
into
3
groups:
disease
LVAD/HT;
an
implantable
cardioverter
defibrillator
(ICD)
only;
no
ICD
LVAD/HT.
Rare
variants
36
genes
were
pathogenic
likely
uncertain
significance.
Confounding
factors
we
considered
demographic
characteristics,
lifestyle
factors,
access
care,
duration,
comorbidities.
Crude
adjusted
associations
findings
assessed
using
multinomial
models
generalized
logit
link.
RESULTS:
Patients’
mean
(SD)
age
51.9
(13.6)
years;
42%
African
ancestry,
56%
European
44%
female.
Of
1198
patients,
347
had
LVAD/HT,
511
ICD,
340
LVAD/HT
ICD.
The
percentage
26.2%,
15.9%,
15.0%
for
those
only,
neither,
respectively.
After
controlling
sociodemographic
characteristics
comorbidities,
more
than
without
DCM-related
(odds
ratio,
2.3
[95%
CI,
1.5–3.6]).
did
differ
by
ancestry.
similar
CONCLUSIONS:
Advanced
associated
higher
odds
adjudicated
pathogenic,
compared
individuals
less
severe
DCM.
This
finding
may
help
assess
risk
outcomes
management
their
at-risk
family
members.
REGISTRATION:
URL:
https://www.clinicaltrials.gov
;
Unique
identifier:
NCT03037632.
BMC Medical Research Methodology,
Journal Year:
2025,
Volume and Issue:
25(1)
Published: March 7, 2025
This
study
explores
practices
surrounding
the
operationalization
of
ethno-racial
categories
(ERCs)
as
confounders
in
biomedical
research,
with
a
focus
on
sickle
cell
disease
(SCD)
model.
ERCs,
often
aggregate
labels
encompassing
diverse
individuals
which
raises
questions
about
their
relevance
confounders.
Given
SCD's
racialization
"Black"
disease,
understanding
ERC
utilization
is
crucial.
analyzed
1,105
SCD
studies
published
globally.
Data
were
collected
whether
adjustment
was
employed,
regional
variations
ERC-adjustment
rates,
used
for
rationales
provided
matching,
and
methods
determination.
28%
utilized
adjustment,
significant
disparities
(p
<
0.001).
Notably,
Western
showed
higher
rates
compared
to
other
regions.
However,
crucial
details
such
methodology
frequently
missing.
Commonly
included
"African"
or
"Black."
Only
7%
explicit
70%
did
not
specify
method
The
findings
underscore
need
adhere
guidelines
biomedicine.
lack
standardized
concerns
potential
biases
misinterpretations
research
outcomes.
Adhering
clear
can
mitigate
risk
perpetuating
racial
stereotypes
inequalities
while
ensuring
integrity.
Not
applicable.
Circulation Genomic and Precision Medicine,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 28, 2025
BACKGROUND:
Whether
prolonged
and
excessive
alcohol
consumption
contributes
to
dilated
cardiomyopathy
(DCM)
remains
uncertain.
This
study
aimed
describe
the
prevalence
of
use
in
patients
with
DCM
their
first-degree
relatives
(FDRs)
determine
if
cumulative
exposure
associates
DCM/partial
or
modifies
association
DCM-relevant
rare
variants.
METHODS:
All
probands
had
DCM;
FDRs
were
classified
as
without
partial
DCM.
Alcohol
was
measured
Use
Disorder
Identification
Test-Consumption
questionnaire
years
drinking.
Rare
variants
36
genes
pathogenic,
likely
uncertain
significance
(pathogenic,
variant
significance).
Generalized
linear
mixed
models
used
assess
among
FDRs.
RESULTS:
found
21.8%
1373
1148
probands.
The
former
current
68%
for
70%
About
30%
37%
positive
scores,
indicating
moderate
heavy
Among
FDRs,
associated
presence
pathogenic/likely
pathogenic
(odds
ratio,
3.51
[95%
CI,
2.33–5.29])
but
not
exposure.
Cumulative
modify
between
these
(
P
=0.55).
CONCLUSIONS:
frequent
did
provide
evidence
supporting
an
a
modifying
effect
on
REGISTRATION:
URL:
https://www.clinicaltrials.gov
;
Unique
identifier:
NCT03037632.
Therapeutic Advances in Rare Disease,
Journal Year:
2023,
Volume and Issue:
4
Published: Jan. 1, 2023
Background:
Due
to
racial,
cultural,
and
linguistic
marginalization,
some
populations
experience
disproportionate
barriers
genetic
testing
in
both
clinical
research
settings.
It
is
difficult
track
such
disparities
due
non-inclusive
self-reported
race
ethnicity
categories
within
the
electronic
health
record
(EHR).
Inclusion
access
for
all
critical
achieve
equity
capture
full
spectrum
of
rare
disease.
Objective:
We
aimed
create
revised
categories.
Additionally,
we
identified
racial
ethnic
under-representation
amongst
three
cohorts:
(1)
general
Boston
Children’s
Hospital
patient
population
(general
BCH),
(2)
BCH
that
underwent
genomic
(clinical
sequencing),
(3)
Rare
Disease
Cohort
(CRDC)
initiative
participants.
Design
Methods:
Race
data
were
collected
from
EHRs
BCH,
sequencing,
CRDC
cohorts.
constructed
a
single
comprehensive
set
EHR-based
variables
mapped
each
cohort
Then,
numbers
patients
category
compared
across
Results:
There
was
significantly
lower
percentage
Black
or
African
American/African,
non-Hispanic/non-Latine
individuals
with
cohort,
but
there
no
statistically
significant
difference
between
sequencing
multi-racial,
Hispanic/Latine
than
cohort.
White,
over-represented
two
other
groups.
Conclusion:
highlight
underrepresentation
certain
cohorts
hospital
population.
propose
range
measures
address
these
disparities,
strive
equitable
future
precision
medicine-based
care
benefit
whole
disease
community.
Best Practice & Research Clinical Rheumatology,
Journal Year:
2023,
Volume and Issue:
37(4), P. 101894 - 101894
Published: Dec. 1, 2023
Health
disparities
in
the
prevalence
and
outcomes
of
systemic
lupus
erythematosus
(SLE)
are
well
documented
across
racial
ethnic
groups.
Similar
to
other
chronic
diseases,
differences
disease
severity
among
individuals
with
SLE
likely
influenced
by
both
genetic
predisposition
multiple
social
determinants
health.
However,
research
that
jointly
examines
environmental
contributions
course
is
limited,
resulting
an
incomplete
understanding
biologic
mechanisms
underly
health
disparities.
While
on
can
reveal
inequalities
inform
resource
allocation
improve
outcomes,
relies
categories
describe
diverse
groups
people
pose
challenges.
Additionally,
results
from
comparing
socially
constructed
without
considering
contributing
factors
be
misleading.
We
herein
comprehensively
examine
existing
literature
SLE,
including
clinical
studies
relationship
between
self-reported
race
ethnicity
explore
relationships
genomics
outcomes.
Having
surveyed
this
body
research,
we
propose
a
framework
for
examining
ways
mitigate
bias
future
studies.