Frontiers in Immunology,
Journal Year:
2024,
Volume and Issue:
15
Published: Sept. 30, 2024
Background
Glioma
is
the
predominant
malignant
brain
tumor
that
lacks
effective
treatment
options
due
to
its
shielding
by
blood-brain
barrier
(BBB).
Astrocytes
play
a
role
in
development
of
glioma,
yet
diverse
cellular
composition
astrocytoma
has
not
been
thoroughly
researched.
Methods
We
examined
internal
diversity
seven
distinct
subgroups
through
single-cell
RNA
sequencing
(scRNA-seq),
pinpointed
crucial
using
CytoTRACE,
monocle2
pseudotime
analysis,
and
slingshot
employed
various
techniques
identify
critical
subgroups,
delved
into
communication
analysis.
Then,
we
combined
clinical
information
GBM
patients
used
bulk
(bulk
RNA-seq)
analyze
prognostic
impact
relevant
molecules
on
patients,
performed
vitro
experiments
for
validation.
Results
The
analysis
current
study
revealed
C0
IGFBP7+
cells
were
noteworthy
subpopulation
astrocytoma,
influencing
differentiation
progression
astrocytoma.
A
predictive
model
was
developed
categorize
high-
low-scoring
groups
based
IGFBP7
Risk
Score
(IGRS),
with
survival
revealing
poorer
prognosis
high-IGRS
group.
Analysis
immune
cell
infiltration,
identification
genes
differential
expression,
enrichment
analyses,
assessment
copy
number
variations,
evaluation
drug
susceptibility
conducted,
all
which
highlighted
their
significant
influence
Conclusion
This
research
enhances
comprehension
delves
factors
impacting
offers
fresh
perspectives
treating
glioma.
Frontiers in Oncology,
Journal Year:
2025,
Volume and Issue:
15
Published: March 4, 2025
Objective
Disulfidptosis
is
a
newly
identified
type
of
nonapoptotic
programmed
cell
death
related
to
mechanisms
such
as
ferroptosis,
cuproptosis,
pyroptosis,
and
necrotic
apoptosis.
This
study
explores
the
role
disulfidptosis-related
long
non-coding
RNAs
(DRLs)
in
gastric
cancer
their
potential
prognostic
biomarkers.
Method
We
developed
model
using
DRL
scores
classify
patients
based
on
disulfidptosis
activity.
evaluated
these
for
correlations
with
drug
sensitivity,
tumor
microenvironment
(TME)
features,
mutational
burden
(TMB),
prognosis.
Potential
signaling
pathways
were
screened,
identifying
FRMD6-AS
promising
therapeutic
target.
expression
was
further
validated
real-time
fluorescent
quantitative
PCR
(qRT-PCR).
Results
The
DRL-based
model,
established
through
univariate
multivariate
Cox
regression
LASSO
analyses,
outperformed
traditional
models
predicting
divided
samples
into
high-risk
low-risk
groups
scores,
finding
that
group
had
significantly
higher
survival
rate
(P
<
0.05).
A
high-precision
prediction
incorporating
age,
sex,
grade,
stage
showed
strong
predictive
value
consistency
actual
outcomes.
High
correlated
TME
lower
TMB.
Key
axes
AC129507.1/(FLNA,
TLN1)/FOCAL
ADHESION
AC107021.2/MYH10/(TIGHT
JUNCTION,
VIRAL
MYOCARDITIS,
REGULATION
OF
ACTIN
CYTOSKELETON).
Potentially
effective
drugs,
including
BMS-754807,
dabrafenib,
JQ1,
identified.
emerged
target
treatment.
Conclusions
novel
DRLs,
two
key
JQ1
may
be
an
treatment,
could
Frontiers in Immunology,
Journal Year:
2025,
Volume and Issue:
16
Published: March 6, 2025
Breast
Cancer
(BC)
ranks
among
the
top
three
most
prevalent
cancers
globally
and
stands
as
principal
contributor
to
cancer-related
fatalities
women.
In
spite
of
substantial
occurrence
rate
BC,
early
stage
this
disease
is
generally
regarded
curable.
However,
intra-tumor
heterogeneity
presents
a
formidable
obstacle
success
effective
treatment.
research,
single
cell
RNA
sequencing
was
utilized
dissect
tumor
microenvironment
within
BC.
Slingshot,
CytoTRACE
Monocle
2
were
applied
illustrate
differentiation
process
each
subpopulation
in
pseudotime
sequence.
To
comprehensively
comprehend
cells
(TCs)
an
analysis
upstream
transcription
factors
carried
out
via
pySCENIC,
while
downstream
pathway
enrichment
conducted
through
KEGG,
GO
GSEA.
The
prognosis
model
established
based
on
bulk
data
obtained
from
TCGA
GEO
databases.
Knock-down
experiments
also
implemented
explore
function
factor
CEBPD
TCs.
Our
in-depth
identified
eight
types.
Notably,
TCs
predominantly
found
epithelial
cells.
classification
further
uncovered
five
unique
subpopulations,
with
one
characterized
by
high
UGDH
expression.
This
shown
possess
distinct
metabolic
features
metabolism-related
investigations.
intricate
communication
modalities
different
types
effectively
demonstrated
means
CellChat.
Additionally,
crucial
factor,
CEBPD,
identified,
which
pronounced
propensity
towards
tumors
harbored
potential
tumor-advancing
characteristics.
Its
role
promoting
cancer
subsequently
verified
vitro
knock-down
experiments.
Moreover,
prognostic
developed,
risk
score
genes
incorporated
model.
Through
comparing
prognoses
UTRS
levels,
it
determined
that
group
had
less
favorable
prognosis.
These
outcomes
contributed
elucidation
complex
interrelationships
BC
microenvironment.
By
specifically
targeting
certain
subpopulations
TCs,
novel
treatment
strategies
could
potentially
be
devised.
study
shed
light
direction
future
research
should
take,
furnishing
valuable
information
can
enhance
regimens.
Frontiers in Immunology,
Journal Year:
2025,
Volume and Issue:
16
Published: April 9, 2025
Systemic
lupus
erythematosus
(SLE)
is
a
persistent
autoimmune
disorder
marked
by
dysregulation
of
the
immune
system,
resulting
in
extensive
tissue
inflammation
and
subsequent
damage.
Fibroblasts
are
essential
contributors
to
pathogenesis
SLE,
particularly
driving
progression
fibrosis
inflammation.
Recent
research
has
proposed
that
GEM
gene
may
regulate
fibroblast
activity
SLE.
However,
precise
molecular
mechanisms
through
which
modulates
functions
context
SLE
yet
be
fully
elucidated.
Gaining
insight
into
these
crucial
for
uncovering
potential
therapeutic
targets
aimed
at
addressing
associated
with
Single-cell
RNA
sequencing
was
integrated
cell-based
assays,
such
as
quantitative
reverse
transcription
PCR
(qRT-PCR)
functional
cellular
experiments,
investigate
underlying
mechanisms.
The
regulatory
fibroblasts
were
analyzed
cell
assays.
Differential
expression
subpopulations
identified
single-cell
sequencing,
emerging
key
implicated
alterations.
Trajectory
analysis
indicated
correlated
proliferation
migration.
Subsequent
experiments
confirmed
regulates
viability
influences
disease
modulation
proliferation,
migration,
apoptosis.
highly
differentially
expressed
within
its
altered
impacts
apoptosis,
potentially
contributing
Frontiers in Oncology,
Journal Year:
2025,
Volume and Issue:
15
Published: April 9, 2025
Diffuse
large
B-cell
lymphoma
(DLBCL)
is
a
highly
heterogeneous
malignancy
with
challenges
in
treatment
resistance
and
relapse.
Single-cell
RNA
sequencing
(scRNA-seq)
has
provided
important
insights
into
tumor
heterogeneity,
microenvironment
interactions,
mechanisms,
prognostic
biomarkers.
This
review
summarizes
key
findings
from
scRNA-seq
studies,
which
have
deepened
our
understanding
of
DLBCL
contributed
to
the
development
precision
therapeutic
strategies.
Integrating
spatial
transcriptomics
single-cell
multi-omics
may
further
elucidate
disease
mechanisms
identify
novel
targets,
supporting
advancement
medicine
DLBCL.
Frontiers in Immunology,
Journal Year:
2025,
Volume and Issue:
16
Published: May 8, 2025
Background
Multiple
myeloma
(MM)
is
a
biologically
heterogeneous
malignancy
of
clonal
plasma
cells,
often
progressing
from
MGUS
or
smoldering
MM.
It
causes
anemia,
bone
lesions,
and
immune
dysfunction
due
to
abnormal
cell
expansion
in
the
marrow.
Neuroinflammatory
neurotrophic
factors
may
influence
MM
progression
by
affecting
cells
marrow
niche.
Growing
evidence
points
role
for
neuroimmune
regulation
tumor
immunity.
Despite
therapeutic
progress,
disease
heterogeneity
resistance
highlight
need
new
strategies
targeting
microenvironment
axis.
Methods
This
investigation
exploited
single-cell
RNA
sequencing
(scRNA-seq)
analyze
high-risk
multiple
(SMMh)
samples,
identifying
11
distinct
types.
We
examined
their
transcriptional
signatures,
stemness,
proliferative
properties,
metabolic
pathways,
with
particular
attention
interactions
microenvironment.
Using
trajectory
inference
tools
such
as
CytoTRACE,
Monocle2,
Slingshot,
we
traced
differentiation
paths
subpopulations
identified
key
signaling
pathways
that
responses
progression.
Results
The
analysis
four
C0
IGLC3+
representing
least
differentiated
most
subset.
These
played
critical
contribute
evasion
mechanisms.
Additionally,
receptor-ligand
within
were
identified,
which
be
influenced
neuroinflammatory
factors.
findings
suggest
nervous
system
modulation
significantly
affect
biology,
highlighting
potential
targets
could
overcome
conventional
therapies.
Conclusion
provided
insights
into
cellular
diversity
trajectories
MM,
offering
deeper
understanding
complex
drive
resistance.
By
incorporating
neuroinflammation
modulation,
our
study
suggested
novel
axis
oncology,
ultimately
contributing
development
more
effective,
personalized
treatment
approaches