Stem
cell
niche
is
critical
for
regulating
the
behavior
of
stem
cells.
Drosophila
neural
cells
(Neuroblasts,
NBs)
are
encased
by
glial
closely,
but
it
still
remains
unclear
whether
can
regulate
self-renewal
and
differentiation
NBs.
Here,
we
show
that
ferritin
produced
glia,
cooperates
with
Zip13
to
transport
iron
into
NBs
energy
production,
which
essential
proliferation
The
knockdown
encoding
genes
causes
shortage
in
via
downregulating
aconitase
activity
NAD
+
level,
leads
low
premature
mediated
Prospero
entering
nuclei.
More
importantly,
a
potential
target
tumor
suppression.
In
addition,
level
production
affected
status
NBs,
establishing
bicellular
homeostasis.
this
study,
demonstrate
indispensable
maintain
unveiling
novel
role
NB
during
brain
development.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2021,
Номер
unknown
Опубликована: Май 10, 2021
Abstract
Neural
stem
cells
(NSCs)
are
embedded
in
a
multi-layered,
intricate
cellular
microenvironment
supporting
their
activity,
the
niche.
Whilst
shape
and
function
inseparable,
morphogenetic
aspects
of
niche
development
poorly
understood.
Here,
we
use
formation
glial
network
NSC
to
investigate
acquisition
architectural
complexity.
Cortex
glia
(CG)
Drosophila
regulate
neurogenesis
build
reticular
structure
around
NSCs.
We
first
show
that
individual
CG
grow
tremendously
ensheath
several
lineages,
eventually
spanning
entire
tissue
while
partitioning
population.
Elaborate
proliferative
mechanisms
convert
these
into
syncytia
rich
cytoplasmic
bridges.
Unexpectedly,
further
undergo
homotypic
cell-cell
fusion,
relying
on
defined
molecular
players
cell
fusion
such
as
surface
receptors
actin
regulators.
Exchange
components
is
however
dynamic
space
time,
previously
unreported
unique
mechanism.
This
atypical
remodels
borders,
restructuring
syncytia.
Ultimately,
coordination
growth
builds
multi-level
architecture
niche,
creates
modular,
spatial
partition
Our
findings
provide
novel
insights
how
forms
organises
developing
intimate
contacts
with
Stem
cell
niche
is
critical
for
regulating
the
behavior
of
stem
cells.
Drosophila
neural
cells
(Neuroblasts,
NBs)
are
encased
by
glial
closely,
but
it
still
remains
unclear
whether
can
regulate
self-renewal
and
differentiation
NBs.
Here
we
show
that
ferritin
produced
glia,
cooperates
with
Zip13
to
transport
iron
into
NBs
energy
production,
which
essential
proliferation
The
knockdown
encoding
genes
causes
shortage
in
NBs,
leads
low
premature
Moreover,
level
production
affected
status
establishing
a
bicellular
homeostasis.
In
this
study,
demonstrate
indispensable
maintain
unveiling
novel
role
NB
during
brain
development.
Stem
cell
niche
is
critical
for
regulating
the
behavior
of
stem
cells.
Drosophila
neural
cells
(Neuroblasts,
NBs)
are
encased
by
glial
closely,
but
it
still
remains
unclear
whether
can
regulate
self-renewal
and
differentiation
NBs.
Here
we
show
that
ferritin
produced
glia,
cooperates
with
Zip13
to
transport
iron
into
NBs
energy
production,
which
essential
proliferation
The
knockdown
encoding
genes
causes
shortage
in
via
downregulating
aconitase
activity
NAD
+
level,
leads
low
premature
mediated
Prospero
entering
nuclei.
More
importantly,
a
potential
target
tumor
suppression.
In
addition,
level
production
affected
status
NBs,
establishing
bicellular
homeostasis.
this
study,
demonstrate
indispensable
maintain
unveiling
novel
role
NB
during
brain
development.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 10, 2024
As
glia
mature,
they
undergo
glial
tiling
to
abut
one
another
without
invading
each
other's
boundaries.
Upon
the
loss
of
secreted
neurotrophin
Spätzle3
(Spz3),
Stem
cell
niche
is
critical
for
regulating
the
behavior
of
stem
cells.
Drosophila
neural
cells
(Neuroblasts,
NBs)
are
encased
by
glial
closely,
but
it
still
remains
unclear
whether
can
regulate
self-renewal
and
differentiation
NBs.
Here,
we
show
that
ferritin
produced
glia,
cooperates
with
Zip13
to
transport
iron
into
NBs
energy
production,
which
essential
proliferation
The
knockdown
encoding
genes
causes
shortage
in
via
downregulating
aconitase
activity
NAD
+
level,
leads
low
premature
mediated
Prospero
entering
nuclei.
More
importantly,
a
potential
target
tumor
suppression.
In
addition,
level
production
affected
status
NBs,
establishing
bicellular
homeostasis.
this
study,
demonstrate
indispensable
maintain
unveiling
novel
role
NB
during
brain
development.