Proceedings of the National Academy of Sciences,
Journal Year:
2019,
Volume and Issue:
116(25), P. 12524 - 12533
Published: June 3, 2019
Significance
Cognitive
function
decreases
during
aging,
but
the
mechanisms
involved
remain
unclear.
Revolutionary
recent
studies
revealed
that
introduction
of
blood
from
young
mice
into
old
increased
cognitive
abilities
and
synaptic
connectivity,
suggesting
contains
specific
factors
supporting
function.
Here,
we
asked
whether
is
enriched
in
act
directly
on
neurons
to
promote
synapse
formation.
We
show
serum
not
indeed
boosts
formation
cultured
neurons,
identify
two
factors,
thrombospondin-4
SPARCL1,
are
mediate
these
effects.
Thus,
our
experiments
multiple
connectivity
between
neurons.
Biomarker Insights,
Journal Year:
2020,
Volume and Issue:
15, P. 117727192095031 - 117727192095031
Published: Jan. 1, 2020
Synapses
are
the
site
for
brain
communication
where
information
is
transmitted
between
neurons
and
stored
memory
formation.
Synaptic
degeneration
a
global
early
pathogenic
event
in
neurodegenerative
disorders
with
reduced
levels
of
pre-
postsynaptic
proteins
being
recognized
as
core
feature
Alzheimer’s
disease
(AD)
pathophysiology.
Together
AD,
other
neurodevelopmental
show
altered
synaptic
homeostasis
an
important
event,
due
to
that,
they
commonly
referred
synaptopathies.
The
exact
mechanisms
synapse
dysfunction
different
diseases
not
well
understood
their
study
would
help
understanding
role
degeneration,
differences
commonalities
among
them
highlight
candidate
biomarkers
specific
disorders.
assessment
cerebrospinal
fluid
(CSF),
which
can
reflect
patients
cognitive
disorders,
keen
area
interest.
Substantial
research
efforts
now
directed
toward
investigation
CSF
pathology
improve
diagnosis
at
stage
monitor
clinical
progression.
In
this
review,
we
will
first
summarize
pathological
events
that
lead
loss
then
discuss
available
data
on
established
(eg,
neurogranin,
SNAP-25,
synaptotagmin-1,
GAP-43,
α-syn)
emerging
vesicle
glycoprotein
2A
neuronal
pentraxins)
dysfunction,
while
highlighting
possible
utilities,
specificity,
technical
challenges
detection.
Proceedings of the National Academy of Sciences,
Journal Year:
2019,
Volume and Issue:
116(25), P. 12524 - 12533
Published: June 3, 2019
Significance
Cognitive
function
decreases
during
aging,
but
the
mechanisms
involved
remain
unclear.
Revolutionary
recent
studies
revealed
that
introduction
of
blood
from
young
mice
into
old
increased
cognitive
abilities
and
synaptic
connectivity,
suggesting
contains
specific
factors
supporting
function.
Here,
we
asked
whether
is
enriched
in
act
directly
on
neurons
to
promote
synapse
formation.
We
show
serum
not
indeed
boosts
formation
cultured
neurons,
identify
two
factors,
thrombospondin-4
SPARCL1,
are
mediate
these
effects.
Thus,
our
experiments
multiple
connectivity
between
neurons.