Complex Psychiatry,
Journal Year:
2024,
Volume and Issue:
10(1-4), P. 71 - 107
Published: Nov. 18, 2024
Background:
Post-traumatic
stress
disorder
(PTSD)
can
occur
after
a
traumatic
event.
PTSD
is
characterized
by
nightmares,
flashbacks
and
avoidance
of
stressors.
It
currently
affects
2–8%
the
population,
with
military
personnel
particularly
susceptible.
Studies
show
that
environmental
stressors
induce
various
epigenetic
changes
shape
phenotype.
Despite
significant
impact
factors
on
symptoms
susceptibility,
they
have
not
been
widely
discussed
in
literature.
This
review
focuses
describing
mechanisms
PTSD,
especially
DNA
methylation,
chromatin
regulation,
noncoding
RNA.
Summary:
The
article
includes
relevant
studies
published
from
2013
to
2023,
excluding
non-English-language
or
insufficient
data.
investigated
gene
methylation
association
including
those
related
hypothalamic-pituitary-adrenal
axis,
brain-derived
neurotrophic
factor,
neurotransmitters,
immune
system
functioning,
as
well
role
histones
regulatory
RNAs.
Key
Messages:
Epigenetic
alterations
play
crucial
shaping
symptomatology,
long-term
outcomes,
highlighting
their
potential
important
markers
therapeutic
targets.
Understanding
these
aid
developing
clinical
strategies
better
predict,
prevent,
treat
PTSD.
However,
further
large-scale
longitudinal
are
needed
establish
temporal
relationship
between
onset
classify
other
mechanisms.
Biomolecules,
Journal Year:
2024,
Volume and Issue:
14(2), P. 191 - 191
Published: Feb. 4, 2024
We
review
emerging
preclinical
and
clinical
evidence
regarding
brain-derived
neurotrophic
factor
(BDNF)
protein,
genotype,
DNA
methylation
(DNAm)
as
biomarkers
of
outcomes
in
three
important
etiologies
pediatric
acquired
brain
injury
(ABI),
traumatic
injury,
global
cerebral
ischemia,
stroke.
also
summarize
suggesting
that
BDNF
is
(1)
involved
the
biological
embedding
psychosocial
environment,
(2)
responsive
to
rehabilitative
therapies,
(3)
potentially
modifiable.
BDNF’s
unique
potential
a
biomarker
neuroplasticity
neural
repair
reflective
both
pre-
post-injury
environmental
influences
separates
it
from
traditional
protein
structural
with
exciting
advance
ABI
management
by
increasing
accuracy
prognostic
tools
informing
decision
making
through
monitoring
therapeutic
effects.
Neuroprotection/Neuroprotection (Chichester, England. Print),
Journal Year:
2024,
Volume and Issue:
2(2), P. 67 - 78
Published: May 2, 2024
Abstract
Neurodegenerative
diseases,
marked
by
the
gradual
death
of
neurons,
present
a
significant
and
growing
public
health
challenge.
Brain‐derived
neurotrophic
factor
(BDNF)
is
crucial
for
survival,
development,
synaptic
plasticity
neurons.
Studies
have
consistently
demonstrated
that
perturbed
BDNF
communication
pathways
are
associated
with
development
progression
neurodegenerative
conditions,
underscoring
their
potential
as
therapeutic
targets.
This
review
aimed
to
summarize
existing
findings
regarding
expression,
metabolism,
signaling
transduction.
Furthermore,
we
reviewed
intricate
roles
in
elucidating
contributions
disease
onset
progression.
The
latest
advancements
targeting
treatment
including
small
molecules,
nucleic
acid‐based
therapeutics,
antibody‐based
approaches,
were
also
summarized.
Despite
recent
strides,
challenges
persist,
lack
comprehensive
understanding
modulation
across
diverse
contexts
absence
clinically
approved
BDNF‐targeted
drugs.
Biomedicines,
Journal Year:
2023,
Volume and Issue:
11(8), P. 2275 - 2275
Published: Aug. 16, 2023
Brain-derived
neurotrophic
factor
(BDNF)
is
a
major
neurotrophin
whose
loss
or
interruption
well
established
to
have
numerous
intersections
with
the
pathogenesis
of
progressive
neurological
disorders.
There
perhaps
no
greater
example
disease
resulting
from
dysregulation
BDNF
signaling
than
Huntington’s
(HD)—an
inherited
neurodegenerative
disorder
characterized
by
motor,
psychiatric,
and
cognitive
impairments
associated
basal
ganglia
dysfunction
ultimate
death
striatal
projection
neurons.
Investigation
collection
mechanisms
leading
in
HD
highlights
this
neurotrophin’s
importance
neuronal
viability
calls
attention
opportunities
for
therapeutic
interventions.
Using
electronic
database
searches
existing
forthcoming
research,
we
constructed
literature
review
overarching
goal
exploring
diverse
set
molecular
events
that
trigger
within
HD.
We
highlighted
research
investigated
these
preclinical
models
connected
studies
those
evaluating
similar
endpoints
human
subjects.
also
included
special
focus
on
growing
body
detailing
key
transcriptomic
epigenetic
alterations
affect
abundance
Finally,
offer
critical
evaluation
proposed
neurotrophin-directed
therapies
assessed
clinical
trials
seeking
correct
expression
individuals.
Frontiers in Public Health,
Journal Year:
2023,
Volume and Issue:
11
Published: Aug. 30, 2023
Fluoride
is
considered
an
environmental
pollutant
that
seriously
affects
organisms
and
ecosystems,
its
harmfulness
a
perpetual
public
health
concern.
The
toxic
effects
of
fluoride
include
organelle
damage,
oxidative
stress,
cell
cycle
destruction,
inflammatory
factor
secretion,
apoptosis
induction,
synaptic
nerve
transmission
destruction.
To
reveal
the
mechanism
fluorosis-induced
brain
we
analyzed
molecular
learning
memory
function
SIRT1-mediated
BDNF-TrkB
signaling
pathway
cascade
reaction
in
damage
through
vivo
experiments.This
study
constructed
rat
models
drinking
water
fluorosis
using
50
mg/L,
100
150
mg/L
fluoride,
observed
occurrence
dental
rats.
Subsequently,
measured
content
blood,
urine,
bones,
abilities.
Furthermore,
stress
products,
levels,
acetylcholinesterase
(AchE)
choline
acetyltransferase
(ChAT)
activity
were
detected.
pathological
structural
changes
to
bones
tissue
observed.
SIRT1,
BDNF,
TrkB,
apoptotic
protein
levels
determined
western
blotting.All
rats
exposure
groups
exhibited
fluorosis;
decreased
abilities;
higher
urinary
bone
blood
product,
compared
control
group.
fluoride-exposed
had
abnormal
AchE
ChAT
activity,
sparsely
arranged
hippocampal
neurons,
blurred
boundaries,
significantly
fewer
astrocytes,
swollen
cells.
nucleoli
absent
from
tissue,
which
also
contained
folded
neuron
membranes,
deformed
mitochondria,
cristae,
vacuole
formation,
pyknotic
hyperchromatic
chromatin.
lower
TrkB
than
group,
closely
related
dose.
findings
demonstrated
excessive
caused
affected
abilities.Currently,
there
no
effective
treatment
method
for
by
fluorosis.
Therefore,
preventing
treating
intake.
Annals of General Psychiatry,
Journal Year:
2025,
Volume and Issue:
24(1)
Published: April 4, 2025
Schizophrenia
is
a
complex,
heterogeneous,
and
highly
disabling
severe
mental
disorder
whose
pathogenesis
has
not
yet
been
fully
elucidated.
Epigenetics,
as
bridge
between
genetic
environmental
factors,
plays
an
important
role
in
the
pathophysiology
of
schizophrenia.
Over
past
decade,
epigenetic-wide
association
studies
have
rapidly
become
branch
psychiatric
research,
especially
deciphering
molecular
mechanisms
This
review
systematically
analyzes
recent
advances
epigenome-wide
(EWAS)
schizophrenia,
focusing
on
technological
developments.
We
synthesize
findings
from
large-scale
EWAS
alongside
emerging
evidence
DNA
methylation
patterns,
histone
modifications,
regulatory
networks,
emphasizing
their
roles
disease
treatment
responses.
In
addition,
this
provides
prospective
outlook,
evaluating
impact
that
developments
may
future
With
continuous
advancement
high-throughput
sequencing
technology
increasing
maturity
big
data
analysis
methods,
epigenetics
expected
to
significant
early
diagnosis,
prognosis
assessment
even
personalized
Journal of Agricultural and Food Chemistry,
Journal Year:
2024,
Volume and Issue:
72(12), P. 6250 - 6264
Published: March 16, 2024
Hydroxytyrosol
(HT;
3,4-dihydroxyphenyl
ethanol)
is
an
important
functional
polyphenol
in
olive
oil.
Our
study
sought
to
evaluate
the
protective
effects
and
underlying
mechanisms
of
HT
on
obesity-induced
cognitive
impairment.
A
high-fat
high-fructose-diet-induced
obese
mice
model
was
treated
with
for
14
weeks.
The
results
show
that
improved
learning
memory
abilities
enhanced
expressions
brain-derived
neurotrophic
factors
(BDNFs)
postsynaptic
density
proteins,
protecting
neuronal
synaptic
functions
mice.
Transcriptomic
further
confirmed
impairment
by
regulating
gene
expression
neural
system
development
function-related
pathways.
Moreover,
treatment
alleviated
neuroinflammation
brain
To
sum
up,
our
indicated
can
alleviate
dysfunction
enhancing
BDNF
alleviating
brain,
which
also
means
may
become
a
potentially
useful
nutritional
supplement
decline.
International Journal of Translational Medicine,
Journal Year:
2024,
Volume and Issue:
4(3), P. 450 - 462
Published: July 11, 2024
It
is
well
known
that
mental
illness
often
the
result
of
genetic
susceptibility
combined
with
environmental
factors.
In
this
context,
it
useful
to
consider
role
changes
in
DNA
expression,
as
epigenetic,
can
play
development
and
progression
psychiatric
disorders.
Accordingly,
psychotherapy,
a
form
pharmacological
strategy
targets
dysfunctional
emotions
behaviors,
may
also
improve
symptoms
via
epigenetic
changes.
This
article
reviews
current
literature
on
induced
by
psychotherapy
disorders,
pointing
out
encouraging
findings
for
borderline
personality
disorder
(BPD),
post-traumatic
stress
(PTSD),
anxiety
disorders
obsessive–compulsive
(OCD).
focuses
genes
are
more
commonly
associated
paves
way
further
research.