American Journal of Epidemiology,
Journal Year:
2024,
Volume and Issue:
193(11), P. 1541 - 1552
Published: May 17, 2024
Abstract
Childhood
adversity
is
an
important
risk
factor
for
adverse
health
across
the
life
course.
Epigenetic
modifications,
such
as
DNA
methylation
(DNAm),
are
a
hypothesized
mechanism
linking
to
disease
susceptibility.
Yet,
few
studies
have
determined
whether
adversity-related
DNAm
alterations
causally
related
future
outcomes
or
if
their
developmental
timing
plays
role
in
these
relationships.
Here,
we
used
2-sample
mendelian
randomization
obtain
stronger
causal
inferences
about
association
between
adversity-associated
loci
development
(ie,
birth,
childhood,
adolescence,
and
young
adulthood)
24
mental,
physical,
behavioral
outcomes.
We
identified
particularly
strong
associations
attention-deficit/hyperactivity
disorder,
depression,
obsessive-compulsive
suicide
attempts,
asthma,
coronary
artery
disease,
chronic
kidney
disease.
More
of
were
birth
childhood
DNAm,
whereas
adolescent
adulthood
more
closely
linked
mental
health.
also
had
primarily
risk-suppressing
relationships
with
outcomes,
suggesting
that
might
reflect
compensatory
buffering
mechanisms
against
rather
than
acting
solely
indicator
risk.
Together,
our
results
suggest
both
physical
impacts
differences
emerging
earlier
development.
Cell Genomics,
Journal Year:
2023,
Volume and Issue:
3(8), P. 100361 - 100361
Published: July 20, 2023
The
China
Kadoorie
Biobank
(CKB)
is
a
population-based
prospective
cohort
of
>512,000
adults
recruited
from
2004
to
2008
10
geographically
diverse
regions
across
China.
Detailed
data
questionnaires
and
physical
measurements
were
collected
at
baseline,
with
additional
three
resurveys
involving
∼5%
surviving
participants.
Analyses
genome-wide
genotyping,
for
>100,000
participants
using
custom-designed
Axiom
arrays,
reveal
extensive
relatedness,
recent
consanguinity,
signatures
reflecting
large-scale
population
movements
Chinese
history.
Systematic
association
studies
incident
disease,
captured
through
electronic
linkage
death
disease
registries
the
national
health
insurance
system,
replicate
established
loci
identify
14
novel
associations.
Together
candidate
drug
targets
risk
factors
contributions
international
genetics
consortia,
these
demonstrate
breadth,
depth,
quality
CKB
data.
Ongoing
high-throughput
omics
assays
biosamples
planned
whole-genome
sequencing
will
further
enhance
scientific
value
this
biobank.
Cell Genomics,
Journal Year:
2023,
Volume and Issue:
3(1), P. 100241 - 100241
Published: Jan. 1, 2023
Polygenic
risk
scores
(PRSs)
have
been
widely
explored
in
precision
medicine.
However,
few
studies
thoroughly
investigated
their
best
practices
global
populations
across
different
diseases.
We
here
utilized
data
from
Global
Biobank
Meta-analysis
Initiative
(GBMI)
to
explore
methodological
considerations
and
PRS
performance
9
biobanks
for
14
disease
endpoints.
Specifically,
we
constructed
PRSs
using
pruning
thresholding
(P
+
T)
PRS-continuous
shrinkage
(CS).
For
both
methods,
a
European-based
linkage
disequilibrium
(LD)
reference
panel
resulted
comparable
or
higher
prediction
accuracy
compared
with
several
other
non-European-based
panels.
PRS-CS
overall
outperformed
the
classic
P
T
method,
especially
endpoints
SNP-based
heritability.
Notably,
is
heterogeneous
endpoints,
biobanks,
ancestries,
asthma,
which
has
known
variation
prevalence
populations.
Overall,
provide
lessons
construction,
evaluation,
interpretation
GBMI
resources
highlight
importance
of
biobank-scale
genomics
era.
Molecular Psychiatry,
Journal Year:
2023,
Volume and Issue:
28(9), P. 3638 - 3647
Published: Sept. 1, 2023
Abstract
There
has
been
substantial
progress
in
understanding
the
genetics
of
schizophrenia
over
past
15
years.
This
revealed
a
highly
polygenic
condition
with
majority
currently
explained
heritability
coming
from
common
alleles
small
effect
but
additional
contributions
rare
copy
number
and
coding
variants.
Many
specific
genes
loci
have
implicated
that
provide
firm
basis
upon
which
mechanistic
research
can
proceed.
These
point
to
disturbances
neuronal,
particularly
synaptic,
functions
are
not
confined
brain
regions
circuits.
Genetic
findings
also
nature
schizophrenia’s
close
relationship
other
conditions,
bipolar
disorder
childhood
neurodevelopmental
disorders,
provided
an
explanation
for
how
risk
persist
population
face
reduced
fecundity.
Current
genomic
approaches
only
potentially
explain
around
40%
heritability,
proportion
this
is
attributable
robustly
identified
loci.
The
extreme
polygenicity
poses
challenges
biological
mechanisms.
high
degree
pleiotropy
points
need
more
transdiagnostic
shortcomings
current
diagnostic
criteria
as
means
delineating
biologically
distinct
strata.
It
inferring
causality
observational
experimental
studies
both
humans
model
systems.
Finally,
Eurocentric
bias
needs
be
rectified
maximise
benefits
ensure
these
felt
across
diverse
communities.
Further
advances
likely
come
through
application
new
emerging
technologies,
such
whole-genome
long-read
sequencing,
large
samples.
Substantive
will
require
parallel
functional
genomics
proteomics
applied
developmental
stages.
For
efforts
succeed
identifying
disease
mechanisms
defining
novel
strata
they
combined
sufficiently
granular
phenotypic
data.
Allergy,
Journal Year:
2023,
Volume and Issue:
78(4), P. 940 - 956
Published: Feb. 2, 2023
Abstract
Asthma
is
a
complex
and
heterogeneous
chronic
inflammatory
disease
of
the
airways.
Alongside
environmental
factors,
asthma
susceptibility
strongly
influenced
by
genetics.
Given
its
high
prevalence
our
incomplete
understanding
mechanisms
underlying
susceptibility,
frequently
studied
in
genome‐wide
association
studies
(GWAS),
which
have
identified
thousands
genetic
variants
associated
with
development.
Virtually
all
these
reside
non‐coding
genomic
regions,
has
obscured
functional
impact
asthma‐associated
their
translation
into
disease‐relevant
mechanisms.
Recent
advances
genomics
technology
epigenetics
now
offer
methods
to
link
gene
regulatory
elements
embedded
within
started
unravel
molecular
(epi)genetics
asthma.
Here,
we
provide
an
integrated
overview
(epi)genetic
asthma,
focusing
on
efforts
associations
biological
insight
pathophysiology
using
state‐of‐the‐art
methodology.
Finally,
perspective
as
how
decoding
epigenetic
basis
potential
transform
clinical
management
predict
risk
Human Genomics,
Journal Year:
2025,
Volume and Issue:
19(1)
Published: Jan. 31, 2025
Non-communicable
diseases
(NCDs)
such
as
cardiovascular
diseases,
chronic
respiratory
cancers,
diabetes,
and
mental
health
disorders
pose
a
significant
global
challenge,
accounting
for
the
majority
of
fatalities
disability-adjusted
life
years
worldwide.
These
arise
from
complex
interactions
between
genetic,
behavioral,
environmental
factors,
necessitating
thorough
understanding
these
dynamics
to
identify
effective
diagnostic
strategies
interventions.
Although
recent
advances
in
multi-omics
technologies
have
greatly
enhanced
our
ability
explore
interactions,
several
challenges
remain.
include
inherent
complexity
heterogeneity
multi-omic
datasets,
limitations
analytical
approaches,
severe
underrepresentation
non-European
genetic
ancestries
most
omics
which
restricts
generalizability
findings
exacerbates
disparities.
This
scoping
review
evaluates
landscape
data
related
NCDs
2000
2024,
focusing
on
advancements
integration,
translational
applications,
equity
considerations.
We
highlight
need
standardized
protocols,
harmonized
data-sharing
policies,
advanced
approaches
artificial
intelligence/machine
learning
integrate
study
gene-environment
interactions.
also
opportunities
translating
insights
(GxE)
research
into
precision
medicine
strategies.
underscore
potential
advancing
enhancing
patient
outcomes
across
diverse
underserved
populations,
emphasizing
fairness-centered
strategic
investments
build
local
capacities
underrepresented
populations
regions.
Immunological Reviews,
Journal Year:
2025,
Volume and Issue:
330(1)
Published: Feb. 27, 2025
ABSTRACT
Asthma
is
a
common
chronic
inflammatory
disease
of
the
airways.
A
substantial
number
patients
present
with
severe
and
therapy‐resistant
asthma,
for
which
underlying
biological
mechanisms
remain
poorly
understood.
In
most
asthma
patients,
airway
inflammation
characterized
by
activation
type
2
immunity.
CD4
+
T
helper
(Th2)
cells
are
canonical
producers
cytokines
that
fuel
inflammation:
interleukin
(IL)‐4,
IL‐5,
IL‐9,
IL‐13.
However,
more
recent
findings
have
shown
other
lymphocyte
subsets,
in
particular
group
innate
lymphoid
(ILC2s)
CD8
cytotoxic
(Tc2)
cells,
can
also
produce
large
amounts
cytokines.
Importantly,
inflammation,
despite
high
sensitivity
Th2
suppression
corticosteroids—the
mainstay
drugs
asthma.
Emerging
evidence
indicates
ILC2s
Tc2
abundant
adopt
corticosteroid‐resistance
states.
Moreover,
many
do
not
overt
implicating
non‐type
immunity
as
driver
disease.
this
review,
we
will
discuss
pathophysiology
focus
on
roles
played
ILC2s,
lymphocytes,
placing
special
emphasis
forms.