Neurobiology of Stress,
Journal Year:
2021,
Volume and Issue:
15, P. 100336 - 100336
Published: May 13, 2021
Childhood
maltreatment
(CM)
is
an
established
major
risk
factor
for
a
number
of
negative
health
outcomes
later
in
life.
While
epigenetic
mechanisms,
such
as
DNA
methylation
(DNAm),
have
been
proposed
means
embedding
this
environmental
factor,
little
known
about
its
timing
and
trajectory,
especially
very
young
children.
It
also
not
clear
whether
additional
adversities,
often
experienced
by
these
children,
converge
on
similar
DNAm
changes.
Here,
we
calculated
cumulative
adversity
score,
which
additionally
to
CM
includes
socioeconomic
status
(SES),
other
life
events,
parental
psychopathology
biomarkers
prenatal
smoking
alcohol
consumption.
We
investigated
the
effects
alone
well
score
longitudinal
trajectories
Berlin
Longitudinal
Child
Study.
This
cohort
173
children
aged
3-5
years
at
baseline
whom
86
were
exposed
CM.
These
followed-up
2
with
extensive
psychometric
biological
assessments
saliva
collection
5
time
points
providing
genome-wide
levels.
Overall,
only
few
patterns
stable
over
timeframe,
but
less
than
10
regions
showed
significant
At
baseline,
neither
nor
associated
However,
6
differentially
methylated
(DMRs),
significantly
moderated
time.
A
DMRs
previously
adverse
exposures.
In
our
study,
presented
signatures
indicative
increased
exposure
tobacco
alcohol,
compared
non-CM
strongly
correlate
score.
Finally,
weighted
correlation
network
analysis
revealed
module
CpGs
exclusively
study
identifies
loci
specifically
CM,
within
long
non-coding
RNAs,
majority
associations
found
convergent
association
indicators
highlights
importance
mapping
epigenome
exposome
extending
observational
timeframe
before
birth.
The Lancet Psychiatry,
Journal Year:
2021,
Volume and Issue:
8(5), P. 373 - 386
Published: March 18, 2021
BackgroundChildhood
maltreatment
is
associated
with
poor
mental
and
physical
health.
However,
the
mechanisms
of
gene–environment
correlations
potential
causal
effects
childhood
on
health
are
unknown.
Using
genetics,
we
aimed
to
delineate
sources
correlation
for
relationship
between
health.MethodsWe
did
a
genome-wide
association
study
meta-analysis
using
data
from
UK
Biobank
(n=143
473),
Psychiatric
Genomics
Consortium
(n=26
290),
Avon
Longitudinal
Study
Parents
Children
(n=8346),
Adolescent
Brain
Cognitive
Development
(n=5400),
Generation
R
(n=1905).
We
included
individuals
who
had
phenotypic
genetic
available.
investigated
single
nucleotide
polymorphism
heritability
among
different
subtypes,
operationalisations,
reports
maltreatment.
Family-based
population-based
polygenic
score
analyses
were
done
elucidate
mechanisms.
used
Mendelian
randomisation
identify
shared
genetics
test
relationships
conditions.FindingsOur
studies
(N=185
414)
identified
14
independent
loci
(13
novel).
high
overlap
(genetic
0·24–1·00)
reporting
methods.
Within-family
provided
some
support
active
reactive
but
not
show
absence
passive
correlation.
Robust
suggested
role
in
depression
(unidirectional),
as
well
both
schizophrenia
ADHD
(bidirectional),
conditions
(coronary
artery
disease,
type
2
diabetes)
or
inflammation
(C-reactive
protein
concentration).InterpretationChildhood
has
heritable
component,
substantial
retrospective
prospective
point
correlation,
equivocal
supports
(primarily
bidirectional)
health,
conditions.
Our
identifies
research
avenues
inform
prevention
its
long-term
effects.FundingWellcome
Trust,
Medical
Research
Council,
Horizon
2020,
National
Institute
Mental
Health,
Health
Biomedical
Centre.
Translational Psychiatry,
Journal Year:
2021,
Volume and Issue:
11(1)
Published: Feb. 19, 2021
Childhood
maltreatment
is
a
major
risk
factor
for
chronic
and
severe
mental
physical
health
problems
across
the
lifespan.
Increasing
evidence
supports
hypothesis
that
associated
with
epigenetic
changes
may
subsequently
serve
as
mechanisms
of
disease.
The
current
review
uses
systematic
approach
to
identify
summarize
literature
related
childhood
alterations
in
DNA
methylation
humans.
A
total
100
empirical
articles
were
identified
our
research
published
prior
or
during
March
2020,
including
studies
focused
on
candidate
genes
leveraged
epigenome-wide
data
both
children
adults.
Themes
arising
from
literature,
consistent
inconsistent
patterns
results,
are
presented.
Several
directions
future
research,
important
methodological
considerations
study
design,
discussed.
Taken
together,
underscores
complexity
transactions
between
environment
biology
development.
PEDIATRICS,
Journal Year:
2021,
Volume and Issue:
147(6)
Published: May 17, 2021
Children
who
grow
up
in
socioeconomic
disadvantage
face
increased
burden
of
disease
and
disability
throughout
their
lives.
One
hypothesized
mechanism
for
this
is
that
early-life
accelerates
biological
processes
aging,
increasing
vulnerability
to
subsequent
disease.
To
evaluate
hypothesis
the
potential
impact
preventive
interventions,
measures
are
needed
can
quantify
early
acceleration
aging
childhood.
Frontiers in Psychiatry,
Journal Year:
2022,
Volume and Issue:
13
Published: Aug. 10, 2022
Background
Adverse
childhood
experiences
(ACEs)
are
associated
with
posttraumatic
and
complex
stress
disorder
symptoms
in
adulthood
(PTSD/cPTSD),
as
well
reduced
epistemic
trust
(trust
the
authenticity
personal
relevance
of
interpersonally
transmitted
information)
impaired
personality
functioning.
The
present
work
aims
to
investigate
predictive
value
trust—the
capacity
for
social
learning—on
mediating
effect
functioning
association
ACEs
PTSD/cPTSD.
Methods
We
conducted
structural
equation
modeling
(SEM)
based
on
representative
data
German
population
(
N
=
2,004).
Personality
(OPD-SQS)
was
applied
a
mediator
between
PTSD/cPTSD
(ITQ),
while
(ETMCQ)
added
predictor
OPD-SQS.
TLI,
CFI,
RMSEA
(95%-CI)
determined
models’
fit.
Results
477
(23.8%)
participants
reported
at
least
one
ACE
n
218
(10.9%)
≥4
ACEs.
Fit
indices
were
good
both
PTSD
(TLI
0.96;
CFI
0.99;
0.06;
95%CI:
0.041–0.078)
cPTSD
0.043–0.081).
significantly
(β
0.44,
p
<
0.001)
0.29,
0.001),
explaining
20
8%
its
variance.
Adding
increased
explained
variance
47
19%
direct
cPTSD/PTSD
decreased
0.21/β
0.17),
thus,
indicating
partial
mediation.
Including
substantially
(41%)
compared
single
(16%).
Conclusion
add
previous
research
emphasizing
symptoms.
Offering
insights
underlying
mechanisms,
we
show
that
relevant
mediators.
Since
modifiable
by
psychotherapy,
knowledge
about
role
these
constructs
can
inform
psychotherapeutic
interventions
prevention.
Child Abuse & Neglect,
Journal Year:
2022,
Volume and Issue:
128, P. 105576 - 105576
Published: March 18, 2022
Although
the
relationship
between
childhood
maltreatment,
self-harm
and
suicidality
is
well-established,
less
known
about
mediating
mechanisms
explaining
it.
Based
on
a
developmental
mentalisation-based
theoretical
framework,
adversity
compromises
mentalising
ability
attachment
security,
which
in
turn
increase
vulnerability
to
later
stressors
adulthood.
Proceedings of the National Academy of Sciences,
Journal Year:
2024,
Volume and Issue:
121(11)
Published: March 5, 2024
The
early-life
environment
can
profoundly
shape
the
trajectory
of
an
animal's
life,
even
years
or
decades
later.
One
mechanism
proposed
to
contribute
these
effects
is
DNA
methylation.
However,
frequency
and
functional
importance
methylation
in
shaping
on
adult
outcomes
poorly
understood,
especially
natural
populations.
Here,
we
integrate
prospectively
collected
data
fitness-associated
variation
early
with
estimates
at
477,270
CpG
sites
256
wild
baboons.
We
find
highly
heterogeneous
relationships
between
adulthood:
aspects
linked
resource
limitation
(e.g.,
low-quality
habitat,
drought)
are
associated
many
more
than
other
types
environmental
stressors
low
maternal
social
status).
Sites
enriched
gene
bodies
putative
enhancers,
suggesting
they
functionally
relevant.
Indeed,
by
deploying
a
baboon-specific,
massively
parallel
reporter
assay,
show
that
subset
windows
containing
capable
regulatory
activity,
that,
for
88%
drought-associated
windows,
enhancer
activity
methylation-dependent.
Together,
our
results
support
idea
patterns
contain
persistent
signature
environment.
also
indicate
not
all
exposures
leave
equivalent
mark
suggest
socioenvironmental
time
sampling
likely
be
important.
Thus,
multiple
mechanisms
must
converge
explain
fitness-related
traits.
Molecular Diagnosis & Therapy,
Journal Year:
2022,
Volume and Issue:
26(6), P. 581 - 606
Published: Aug. 6, 2022
Attention-deficit/hyperactivity
disorder
(ADHD)
is
a
common
and
debilitating
neurodevelopmental
influenced
by
both
genetic
environmental
factors,
typically
identified
in
the
school-age
years
but
hypothesized
to
have
developmental
origins
beginning
utero.
To
improve
current
strategies
for
prediction,
prevention
treatment,
central
challenge
delineate
how,
at
molecular
level,
influences
jointly
shape
ADHD
risk,
phenotypic
presentation,
course.
Epigenetic
processes
that
regulate
gene
expression,
such
as
DNA
methylation,
emerged
promising
system
search
biomarkers
mechanisms
address
this
challenge.
In
Current
Opinion,
we
discuss
relevance
of
epigenetics
(specifically
methylation)
research
clinical
practice,
starting
with
state
knowledge,
what
challenges
yet
overcome,
future
may
hold
terms
methylation-based
applications
personalized
medicine
ADHD.
We
conclude
field
still
its
infancy,
potential
transformative
translational
remains
distant
goal.
Nevertheless,
rapid
methodological
advances,
together
rise
collaborative
science
increased
availability
high-quality,
longitudinal
data
make
thriving
area
contribute
development
new
tools
improved
management,
treatment
Social policy report,
Journal Year:
2020,
Volume and Issue:
33(3), P. 1 - 40
Published: Nov. 1, 2020
Abstract
Foster
care
provides
round‐the‐clock
substitute
for
nearly
700,000
U.S.
children
who
are
temporarily
or
permanently
separated
from
their
family
of
origin
each
year.
Each
state
manages
its
own
foster
system
according
to
federal
regulations.
Despite
numerous
large‐scale
policy
reforms
over
the
past
several
decades,
substantial
concerns
remain
about
experiences
and
outcomes
in
system.
The
most
recent
effort
reform
care,
Family
First
Prevention
Services
Act
2018,
attempts
both
reduce
use
increase
quality
care.
In
this
report,
we
review
how
has
shaped
where
succeeded,
it
falls
short
achieving
goals.
We
then
identify
opportunities
better
support
safety,
health,
well‐being