Frontiers in Genetics,
Journal Year:
2021,
Volume and Issue:
12
Published: Nov. 2, 2021
Early
life
stress
(ELS),
such
as
abuse,
neglect,
and
maltreatment,
exhibits
a
strong
impact
on
the
brain
mental
development
of
children.
However,
it
is
not
fully
understood
how
ELS
affects
social
behaviors
social-associated
well
developing
prefrontal
cortex
(PFC).
In
this
study,
we
performed
isolation
weaned
pre-adolescent
mice
until
adolescence
investigated
these
PFC
characteristics
in
adolescent
mice.
We
found
induced
impairments
novelty,
interaction,
preference
also
observed
increases
anxiety-like
histological
analysis,
reduced
number
neurons
an
increased
microglia
To
identify
gene
associated
with
behavioral
features,
analyzed
transcriptome
identified
15
differentially
expressed
genes
involved
transcriptional
regulation,
stress,
synaptic
signaling.
Our
study
demonstrates
that
influences
behaviors,
through
cytoarchitectural
transcriptomic
alterations
Diagnostics,
Journal Year:
2021,
Volume and Issue:
11(1), P. 123 - 123
Published: Jan. 14, 2021
Depression
is
apparently
the
most
common
psychiatric
disease
among
mood
disorders
affecting
about
10%
of
adult
population.
The
etiology
and
pathogenesis
depression
are
still
poorly
understood.
Hence,
as
for
human
diseases,
animal
models
can
help
us
understand
and,
more
importantly,
may
facilitate
search
therapy.
In
this
review
we
first
describe
tests
used
evaluation
depressive-like
symptoms
in
rodents.
Then
different
discuss
their
strengths
weaknesses.
These
be
divided
into
several
categories:
genetic
models,
induced
by
mental
acute
chronic
stressful
situations
caused
environmental
manipulations
(i.e.,
learned
helplessness
rats/mice),
changes
brain
neuro-transmitters
or
specific
injuries
pharmacological
tools.
spite
fact
that
none
completely
resembles
depression,
relevant
since
they
mimic
many
features
observed
situation
serve
a
powerful
tool
study
etiology,
treatment
especially
only
few
patients
respond
to
treatment.
Relevance
increases
also
has
facets
possible
etiologies
therapies.
Frontiers in Neuroendocrinology,
Journal Year:
2023,
Volume and Issue:
69, P. 101061 - 101061
Published: Feb. 8, 2023
Alzheimer's
Disease
(AD)
is
the
leading
cause
of
dementia,
observed
at
a
higher
incidence
in
women
compared
with
men.
Treatments
aimed
improving
pathology
AD
remain
ineffective
to
stop
disease
progression.
This
makes
detection
early
intervention
strategies
reduce
future
risk
extremely
important.
Isolation
and
loneliness
have
been
identified
among
major
factors
for
AD.
The
increasing
prevalence
both
emphasizes
urgent
need
understand
this
association
inform
treatment.
Here
we
present
comprehensive
review
clinical
preclinical
studies
that
investigated
social
isolation
as
We
discuss
understanding
mechanisms
how
exacerbates
cognitive
impairment
focus
on
sex
differences
will
shed
light
underlying
regarding
factor
develop
effective
prevention
or
treatment
strategies.
Journal of Neuroinflammation,
Journal Year:
2022,
Volume and Issue:
19(1)
Published: Jan. 4, 2022
Anxiety
disorders
are
the
most
prevalent
mental
illnesses
in
U.S.
and
estimated
to
consume
one-third
of
country's
health
treatment
cost.
Although
anxiolytic
therapies
available,
many
patients
still
exhibit
resistance,
relapse,
or
substantial
side
effects.
Further,
due
COVID-19
pandemic
stay-at-home
order,
social
isolation,
fear
pandemic,
unprecedented
times,
incidence
anxiety
has
dramatically
increased.
Previously,
we
have
demonstrated
dihydromyricetin
(DHM),
major
bioactive
flavonoid
extracted
from
Ampelopsis
grossedentata,
exhibits
properties
a
mouse
model
isolation-induced
anxiety.
Because
GABAergic
transmission
modulates
immune
system
addition
inhibitory
signal
transmission,
investigated
effects
short-term
isolation
on
neuroimmune
system.
Biology,
Journal Year:
2022,
Volume and Issue:
11(11), P. 1621 - 1621
Published: Nov. 6, 2022
Major
depressive
disorder
(MDD)
is
one
of
the
most
common
mood
disorders
worldwide.
A
lack
understanding
exact
neurobiological
mechanisms
depression
complicates
search
for
new
effective
drugs.
Animal
models
are
an
important
tool
in
approaches
to
treatment
this
disorder.
All
animal
have
certain
advantages
and
disadvantages.
We
often
hear
that
main
drawback
chronic
unpredictable
mild
stress
(CUMS)
model
its
poor
reproducibility,
but
rarely
does
anyone
try
find
real
causes
sources
such
reproducibility.
Analyzing
articles
available
PubMed
database,
we
tried
identify
factors
may
be
reproducibility
CUMS.
Among
factors,
there
sleep
deprivation,
painful
stressors,
social
stress,
difference
sex
age
animals,
different
susceptibility
strains,
handling
quality,
habituation
stressful
various
combinations
physical
psychological
stressors
CUMS
protocol,
influence
olfactory
auditory
stimuli
on
as
well
possible
other
taken
into
account
by
researchers.
assume
careful
inspection
these
will
increase
between
laboratories
allow
make
interpretation
obtained
results
their
comparison
more
adequate.
Current Opinion in Endocrine and Metabolic Research,
Journal Year:
2022,
Volume and Issue:
24, P. 100356 - 100356
Published: May 3, 2022
Glucocorticoids
such
as
cortisol
are
a
class
of
steroid
hormones
that
play
an
important
role
in
co-ordinating
the
body's
response
to
stress.
Elevated
levels
and
increased
inflammation
have
frequently
been
reported
patients
with
depression.
The
currently
accepted
"glucocorticoid
resistance"
model
posits
this
consequence
reduced
sensitivity
cortisol's
putative
anti-inflammatory
action.
However,
opposing
evidence
has
accumulated
supports
more
recent
model,
which
instead
proposes
possesses
immune
potentiating
properties
may
thus
directly
cause
seen
Despite
all
this,
clear
explanation
neuroendocrine
mechanism
contributes
development
depression
is
still
lacking
requires
further
investigation
improved
future
studies.