Background.
Early
adversity
increases
the
risk
for
mental
and
physical
disorders
as
well
premature
death.
Epigenetic
processes,
altered
epigenetic
aging
in
particular,
might
mediate
these
effects.
While
literature
that
examined
links
between
early
is
growing,
results
have
been
heterogeneous.
Objective.
In
current
work,
we
explored
link
a
sample
of
formerly
out-of-home
placed
young
adults.Method.
A
total
N=117
adults
(32%
women,
age
mean=26.3
years,
SD=3.6
years)
with
previous
youth
residential
care
placements
completed
Childhood
Trauma
Questionnaire
(CTQ)
Life
Events
Checklist
(LEC-R)
provided
blood
samples
analysis
DNA
methylation
using
Illumina
Infinium
MethylationEPIC
BeadChip
Microarray.
was
estimated
Hovarth’s
Hannum’s
clocks.
Furthermore,
residuals
were
calculated
proxy
by
regressing
on
chronological
age.
The
statistical
plan
preregistered
(https://osf.io/b9ev8).
Results.
trauma
negatively
associated
residuals,
β
=
-.23,
p
.004
when
controlling
sex,
BMI,
smoking
status
proportional
white
cell
type
estimates.
This
association
driven
experiences
neglect,
-.25,
.001.
Lifetime
exposure
not
significant
predictor
residuals.
Conclusion.
trauma,
neglect
decelerated
our
sample.
More
studies
focusing
institutionalized
at-risk
populations
are
needed
to
better
understand
which
factors
affect
stress-related
adaptations
following
traumatic
experiences.
Journal of Integrative Neuroscience,
Journal Year:
2024,
Volume and Issue:
23(1), P. 13 - 13
Published: Jan. 16, 2024
Both
classic
epigenetic
modifications
and
microRNAs
can
impact
a
range
of
bodily
processes,
from
metabolism
to
brain
function,
may
contribute
the
development
diseases
such
as
cancer,
cardiovascular
disorders,
psychiatric
disorders.
Numerous
studies
suggest
connection
between
changes
mood
In
this
study,
we
performed
comprehensive
search
using
PubMed
Google
for
terms
"epigenetics",
"ageing",
"miRNA",
"schizophrenia",
"mood
disorders"
in
titles
abstracts
articles.
Epigenetic
during
early
life
play
crucial
role
triggering
severe
mental
disorders
shaping
their
clinical
trajectory.
Although
these
alterations
take
place
at
any
age,
not
be
immediately
evident
or
observable
until
later
life.
ageing
process
challenge
prevailing
belief
that
mutations
are
primary
driver
ageing.
However,
it
is
plausible
consequence
disorder
rather
than
its
root
cause.
Moreover,
both
influenced
by
shared
environmental
genetic
factors.
near
future,
might
able
replace
chronological
age
with
biological
based
on
clock,
promise
providing
greater
therapeutic
benefits.
A
wide
drugs
currently
under
various
stages.
full
effectiveness
yet
realized,
they
show
great
potential
treatment
other
complex
diseases.
npj Aging,
Journal Year:
2023,
Volume and Issue:
9(1)
Published: Sept. 6, 2023
Abstract
Major
depressive
disorder
(MDD)
is
known
to
cause
significant
disability.
Genome-wide
DNA
methylation
(DNAm)
profiles
can
be
used
estimate
biological
aging
and
as
epigenetic
clocks.
However,
information
on
clocks
reported
in
MDD
patients
inconsistent.
Since
antidepressants
are
likely
confounders,
we
evaluated
using
various
DNAm-based
predictors
with
who
had
never
received
depression
medication.
A
publicly
available
dataset
consisting
of
whole
blood
samples
from
untreated
(
n
=
40)
controls
was
used.
We
analyzed
five
(HorvathAge,
HannumAge,
SkinBloodAge,
PhenoAge,
GrimAge),
telomere
length
(DNAmTL),
age-related
plasma
proteins
(GrimAge
components),
well
white
cell
composition.
The
results
indicate
that
were
significantly
associated
acceleration
HannumAge
GrimAge.
Furthermore,
a
decrease
natural
killer
cells,
based
DNAm,
observed
MDD.
Frontiers in Immunology,
Journal Year:
2024,
Volume and Issue:
15
Published: June 10, 2024
The
global
impact
of
the
SARS-CoV-2
pandemic
has
been
unprecedented,
posing
a
significant
public
health
challenge.
Chronological
age
identified
as
key
determinant
for
severe
outcomes
associated
with
infection.
Epigenetic
acceleration
previously
observed
in
various
diseases
including
human
immunodeficiency
virus
(HIV),
Cytomegalovirus
(CMV),
cardiovascular
diseases,
and
cancer.
However,
comprehensive
review
this
topic
is
still
missing
field.
In
review,
we
explore
summarize
research
work
focusing
on
biological
aging
markers,
i.e.,
epigenetic
telomere
attrition
COVID-19
patients.
From
reviewed
articles,
consistent
pattern
dysregulation
shortened
length,
revealing
attrition.
European journal of psychotraumatology,
Journal Year:
2023,
Volume and Issue:
14(2)
Published: May 5, 2023
Background:
Cumulative
exposure
to
violence
can
change
the
regulation
of
epigenetic
and
physiological
markers.
Although
has
been
associated
with
accelerated
cellular
aging,
little
is
known
about
associations
cardiac
autonomic
activity.Objective:
The
current
study
aimed
investigate
relationship
community
domestic
(CDV)
vagal
activity
aging
acceleration.Methods:
A
total
86
adolescents
(57%
female)
were
evaluated
interviewed
at
two
time-points
in
São
Gonçalo
(2014–2019),
a
Brazilian
city
high
levels
violence.
Exposure
CDV
was
assessed
both
time-points.
GrimAge
acceleration
calculated
from
saliva
DNA
methylation
using
Infinium
HumanMethylation450K
(Illumina)
collected
first
assessment.
Heart
rate
variability
(HRV)
during
stress
tasks
second
assessment.Results:
witnessed
or
directly
experienced
home
increased
significantly
(t
=
4.87,
p
<
.01)
across
two-time
points,
males
had
reported
higher
2.06,
.043).
Violence
1st
assessment
(B
.039,
value
assessments
HRV
measured
narration
worst
trauma
(traumaHRV)
.009,
B
.007,
.024,
2nd
respectively).
traumaHRV
.043,
.049),
3D
roller
coaster
video
.061,
.024).Conclusions:
We
found
relevant
evidence
that
experiencing
adolescence
stress-related
activity.
Understanding
these
factors
this
period
could
contribute
development
early
interventions
for
health
promotion.HIGHLIGHTS
Higher
Community
acceleration.Higher
activity.Exposure
over
time.
Integrative and Comparative Biology,
Journal Year:
2023,
Volume and Issue:
63(3), P. 681 - 692
Published: June 5, 2023
Adverse
experiences
in
early
life
are
associated
with
aging-related
disease
risk
and
mortality
across
many
species.
In
humans,
confounding
factors,
as
well
the
difficulty
of
directly
measuring
outcomes
from
birth
till
death,
make
it
challenging
to
identify
how
adversity
impacts
aging
health.
These
challenges
can
be
mitigated,
part,
through
study
non-human
animals,
which
exposed
parallel
forms
age
similarly
humans.
Furthermore,
studying
links
between
natural
populations
animals
provides
an
excellent
opportunity
better
understand
social
ecological
pressures
that
shaped
evolution
sensitivities.
Here,
we
highlight
ongoing
future
research
directions
believe
will
most
effectively
contribute
our
understanding
sensitivities
their
repercussions.
European journal of psychotraumatology,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: July 25, 2024
Early
adversity
increases
the
risk
for
mental
and
physical
disorders
as
well
premature
death.
Epigenetic
processes,
altered
epigenetic
aging
in
particular,
might
mediate
these
effects.
While
literature
that
examined
links
between
early
is
growing,
results
have
been
heterogeneous.
GeroScience,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 11, 2024
In
modern
human
societies,
social
interactions
and
pro-social
behaviours
are
associated
with
better
individual
collective
health,
reduced
mortality,
increased
longevity.
Conversely,
isolation
is
a
predictor
of
shorter
lifespan.
The
biological
processes
through
which
sociality
affects
the
ageing
process,
as
well
healthspan
lifespan,
still
poorly
understood.
Unveiling
physiological,
neurological,
genomic,
epigenomic,
evolutionary
mechanisms
underlying
association
between
longevity
may
open
new
perspectives
to
understand
how
lifespan
determined
in
broader
socio/evolutionary
outlook.
Here
we
summarize
evidence
showing
dynamics
can
shape
evolution
life
history
traits
physiological
genetic
directly
or
indirectly
related
We
start
by
reviewing
theories
that
incorporate
into
their
model.
Then,
address
link
from
two
separate
points
view:
(i)
considering
evidences
comparative
biology
bioanthropology
demonstrates
contributes
natural
variation
over
course
among
different
groups
both
pre-industrial
post-industrial
society,
(ii)
discussing
main
genetic,
epigenetic
molecular
at
interface
ageing.
highlight
exposure
chronic
stressors
deregulates
neurophysiological
immunological
pathways
promotes
accelerated
thereby
reducing
conclusion,
describe
intimately
embedded
biology,
influencing
healthy
need
foster
interdisciplinary
approaches
including
sciences,
anthropology,
ecology,
physiology,
genetics.