Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Feb. 6, 2024
Abstract
Tumor
microtubes
(TMs)
connect
glioma
cells
to
a
network
with
considerable
relevance
for
tumor
progression
and
therapy
resistance.
However,
the
determination
of
TM-interconnectivity
in
individual
tumors
is
challenging
impact
on
patient
survival
unresolved.
Here,
we
establish
connectivity
signature
from
single-cell
RNA-sequenced
(scRNA-Seq)
xenografted
primary
glioblastoma
(GB)
using
dye
uptake
methodology,
validate
it
recording
cellular
calcium
epochs
clinical
correlations.
Astrocyte-like
mesenchymal-like
GB
have
highest
scores
scRNA-sequenced
patient-derived
xenografts
samples.
In
large
cohorts,
TM-network
correlates
mesenchymal
subtype
dismal
survival.
CHI3L1
gene
expression
serves
as
robust
molecular
marker
functionally
influences
TM
networks.
The
allows
insights
into
brain
biology,
provides
proof-of-principle
that
cell
TM-connectivity
relevant
patients’
prognosis,
prognostic
biomarker.
Cell,
Journal Year:
2023,
Volume and Issue:
186(8), P. 1689 - 1707
Published: April 1, 2023
The
nervous
system
governs
both
ontogeny
and
oncology.
Regulating
organogenesis
during
development,
maintaining
homeostasis,
promoting
plasticity
throughout
life,
the
plays
parallel
roles
in
regulation
of
cancers.
Foundational
discoveries
have
elucidated
direct
paracrine
electrochemical
communication
between
neurons
cancer
cells,
as
well
indirect
interactions
through
neural
effects
on
immune
stromal
cells
tumor
microenvironment
a
wide
range
malignancies.
Nervous
system-cancer
can
regulate
oncogenesis,
growth,
invasion
metastatic
spread,
treatment
resistance,
stimulation
tumor-promoting
inflammation,
impairment
anti-cancer
immunity.
Progress
neuroscience
may
create
an
important
new
pillar
therapy.
Cell Death and Disease,
Journal Year:
2023,
Volume and Issue:
14(8)
Published: Aug. 14, 2023
Abstract
Ferroptosis
is
a
form
of
regulated
cell
death
induced
by
iron-dependent
lipid
peroxidation,
and
it
has
been
studied
extensively
since
its
discovery
in
2012.
Induced
iron
overload
ROS
accumulation,
ferroptosis
modulated
various
cellular
metabolic
signaling
pathways.
The
GSH-GPX4
pathway,
the
FSP1-CoQ10
GCH1-BH4
DHODH-CoQH2
system
sex
hormones
suppress
ferroptosis.
Mitochondrial
metabolism
regulates
mitochondria
also
undergo
morphological
change
during
ferroptosis,
these
changes
include
increased
membrane
density
reduced
mitochondrial
cristae.
Moreover,
energy
oxidative
phosphorylation
ATP
production
rates
lead
to
decrease
glycolysis
rate.
In
addition,
excessive
stress
induces
irreversible
damage
mitochondria,
diminishing
organelle
integrity.
production,
potential,
fusion
fission,
mitophagy
function
Notably,
some
inhibitors
target
mitochondria.
major
mechanism
for
associated
with
progression
cancer.
Metastasis-prone
or
metastatic
cancer
cells
are
more
susceptible
Inducing
tumor
shows
very
promising
potential
treating
drug-resistant
cancers.
this
review,
we
present
brief
retrospect
characteristics
then
discuss
regulation
highlight
unique
role
played
cells.
Furthermore,
explain
how
functions
as
double-edged
sword
well
novel
therapies
aimed
at
selectively
manipulating
eradication.
Cancer Cell,
Journal Year:
2023,
Volume and Issue:
41(4), P. 678 - 692.e7
Published: March 9, 2023
A
better
understanding
of
transcriptional
evolution
IDH-wild-type
glioblastoma
may
be
crucial
for
treatment
optimization.
Here,
we
perform
RNA
sequencing
(RNA-seq)
(n
=
322
test,
n
245
validation)
on
paired
primary-recurrent
resections
patients
treated
with
the
current
standard
care.
Transcriptional
subtypes
form
an
interconnected
continuum
in
a
two-dimensional
space.
Recurrent
tumors
show
preferential
mesenchymal
progression.
Over
time,
hallmark
genes
are
not
significantly
altered.
Instead,
tumor
purity
decreases
over
time
and
is
accompanied
by
co-increases
neuron
oligodendrocyte
marker
and,
independently,
tumor-associated
macrophages.
decrease
observed
endothelial
genes.
These
composition
changes
confirmed
single-cell
RNA-seq
immunohistochemistry.
An
extracellular
matrix-associated
gene
set
increases
at
recurrence
bulk,
RNA,
immunohistochemistry
indicate
it
expressed
mainly
pericytes.
This
signature
associated
worse
survival
recurrence.
Our
data
demonstrate
that
glioblastomas
evolve
microenvironment
(re-)organization
rather
than
molecular
cells.
Nature,
Journal Year:
2023,
Volume and Issue:
623(7986), P. 366 - 374
Published: Nov. 1, 2023
Abstract
The
role
of
the
nervous
system
in
regulation
cancer
is
increasingly
appreciated.
In
gliomas,
neuronal
activity
drives
tumour
progression
through
paracrine
signalling
factors
such
as
neuroligin-3
and
brain-derived
neurotrophic
factor
1–3
(BDNF),
also
electrophysiologically
functional
neuron-to-glioma
synapses
mediated
by
AMPA
(α-amino-3-hydroxy-5-methyl-4-isoxazole
propionic
acid)
receptors
4,5
.
consequent
glioma
cell
membrane
depolarization
proliferation
4,6
healthy
brain,
activity-regulated
secretion
BDNF
promotes
adaptive
plasticity
synaptic
connectivity
7,8
strength
9–15
Here
we
show
that
malignant
exhibit
similar
regulated
BDNF.
Signalling
receptor
tropomyosin-related
kinase
B
16
(TrkB)
to
CAMKII,
trafficking
membrane,
resulting
increased
amplitude
glutamate-evoked
currents
cells.
Linking
growth,
graded
optogenetic
control
potential
demonstrates
greater
depolarizing
current
proliferation.
This
potentiation
shares
mechanistic
features
with
17–22
contributes
memory
learning
brain
23–26
BDNF–TrkB
regulates
number
synapses.
Abrogation
from
microenvironment
or
loss
TrkB
expression
robustly
inhibits
progression.
Blocking
genetically
pharmacologically
abrogates
these
effects
on
substantially
prolongs
survival
xenograft
models
paediatric
glioblastoma
diffuse
intrinsic
pontine
glioma.
Together,
findings
indicate
augments
Cell,
Journal Year:
2024,
Volume and Issue:
187(19), P. 5336 - 5356.e30
Published: Aug. 12, 2024
Tumors
growing
in
metabolically
challenged
environments,
such
as
glioblastoma
the
brain,
are
particularly
reliant
on
crosstalk
with
their
tumor
microenvironment
(TME)
to
satisfy
high
energetic
needs.
To
study
intricacies
of
this
metabolic
interplay,
we
interrogated
heterogeneity
TME
using
single-cell
and
multi-omics
analyses
identified
rewired
tumor-associated
macrophage
(TAM)
subpopulations
pro-tumorigenic
properties.
These
TAM
subsets,
termed
lipid-laden
macrophages
(LLMs)
reflect
cholesterol
accumulation,
epigenetically
rewired,
display
immunosuppressive
features,
enriched
aggressive
mesenchymal
subtype.
Engulfment
cholesterol-rich
myelin
debris
endows
subsets
TAMs
acquire
an
LLM
phenotype.
Subsequently,
LLMs
directly
transfer
myelin-derived
lipids
cancer
cells
LXR/Abca1-dependent
manner,
thereby
fueling
heightened
demands
glioblastoma.
Our
work
provides
in-depth
understanding
immune-metabolic
interplay
during
progression,
laying
a
framework
unveil
targetable
vulnerabilities
Nature Medicine,
Journal Year:
2024,
Volume and Issue:
30(6), P. 1622 - 1635
Published: May 17, 2024
Abstract
Neural–tumor
interactions
drive
glioma
growth
as
evidenced
in
preclinical
models,
but
clinical
validation
is
limited.
We
present
an
epigenetically
defined
neural
signature
of
glioblastoma
that
independently
predicts
patients’
survival.
use
reference
signatures
cells
to
deconvolve
tumor
DNA
and
classify
samples
into
low-
or
high-neural
tumors.
High-neural
glioblastomas
exhibit
hypomethylated
CpG
sites
upregulation
genes
associated
with
synaptic
integration.
Single-cell
transcriptomic
analysis
reveals
a
high
abundance
malignant
stemcell-like
glioblastoma,
primarily
the
lineage.
These
are
further
classified
neural-progenitor-cell-like,
astrocyte-like
oligodendrocyte-progenitor-like,
alongside
oligodendrocytes
excitatory
neurons.
In
line
these
findings,
engender
neuron-to-glioma
synapse
formation
vitro
vivo
show
unfavorable
survival
after
xenografting.
patients,
decreased
overall
progression-free
tumors
also
increased
functional
connectivity
magnetencephalography
resting-state
magnet
resonance
imaging
can
be
detected
via
analytes
brain-derived
neurotrophic
factor
plasma.
The
prognostic
importance
was
validated
patients
diagnosed
diffuse
midline
glioma.
Our
study
presents
high-grade
gliomas
prognostically
relevant.
likely
require
maximized
surgical
resection
approach
for
improved
outcomes.
EBioMedicine,
Journal Year:
2024,
Volume and Issue:
100, P. 104963 - 104963
Published: Jan. 5, 2024
Glioblastoma
(GBM)
is
one
of
the
most
lethal
central
nervous
systems
(CNS)
tumours
in
adults.
As
supplements
to
standard
care
(SOC),
various
immunotherapies
improve
therapeutic
effect
other
cancers.
Among
them,
tumour
vaccines
can
serve
as
complementary
monotherapy
or
boost
clinical
efficacy
with
immunotherapies,
such
immune
checkpoint
blockade
(ICB)
and
chimeric
antigen
receptor
T
cells
(CAR-T)
therapy.
Previous
studies
GBM
have
suggested
that
few
neoantigens
could
be
targeted
due
low
mutation
burden,
single-peptide
vaccination
had
limited
control
monotherapy.
Combining
diverse
antigens,
including
neoantigens,
tumour-associated
antigens
(TAAs),
pathogen-derived
optimizing
vaccine
design
strategy
may
help
improvement.
In
this
review,
we
discussed
current
platforms,
evaluated
potential
antigenic
targets,
challenges,
perspective
opportunities
for