siRNA-mediated inhibition of hTERT enhances the effects of curcumin in promoting cell death in precursor-B acute lymphoblastic leukemia cells: an in silico and in vitro study
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: Jan. 24, 2025
Language: Английский
The Potential of Siglecs and Sialic Acids as Biomarkers and Therapeutic Targets in Tumor Immunotherapy
Haokang Feng,
No information about this author
Jiale Feng,
No information about this author
Xu Han
No information about this author
et al.
Cancers,
Journal Year:
2024,
Volume and Issue:
16(2), P. 289 - 289
Published: Jan. 10, 2024
The
dysregulation
of
sialic
acid
is
closely
associated
with
oncogenesis
and
tumor
progression.
Most
cells
exhibit
upregulation.
Sialic
acid-binding
immunoglobulin-like
lectins
(Siglecs)
are
receptors
that
recognize
expressed
in
various
immune
cells.
activity
Siglecs
the
microenvironment
promotes
escape,
mirroring
mechanisms
well-characterized
PD-1/PD-L1
pathway
cancer.
Cancer
utilize
acid-linked
glycans
to
evade
surveillance.
As
similar
as
established
checkpoint
inhibitors
(ICIs),
they
potential
therapeutic
targets
for
different
forms
cancer,
especially
ICI-resistant
malignancies.
Additionally,
upregulation
serves
a
biomarker.
This
review
examines
feasibility
using
early
malignant
detection
discusses
targeting
Siglec–sialic
interaction
novel
cancer
strategy.
Language: Английский
Extracellular Vesicles in Chronic Lymphocytic Leukemia: Tumor Microenvironment Messengers as a Basis for New Targeted Therapies?
Cancers,
Journal Year:
2023,
Volume and Issue:
15(8), P. 2307 - 2307
Published: April 14, 2023
In
addition
to
intrinsic
genomic
and
nongenomic
alterations,
tumor
progression
is
also
dependent
on
the
microenvironment
(TME,
mainly
composed
of
extracellular
matrix
(ECM),
secreted
factors,
bystander
immune
stromal
cells).
chronic
lymphocytic
leukemia
(CLL),
B
cells
have
a
defect
in
cell
death;
contact
with
TME
secondary
lymphoid
organs
dramatically
increases
cells'
survival
via
activation
various
molecular
pathways,
including
receptor
CD40
signaling.
Conversely,
CLL
increase
permissiveness
by
inducing
changes
ECM,
cells.
Recently,
vesicles
(EVs)
released
into
emerged
as
key
arbiters
cross-talk
The
EVs'
cargo
can
contain
bioactive
substances
(including
metabolites,
proteins,
RNA,
DNA);
upon
delivery
target
cells,
these
induce
intracellular
signaling
drive
progression.
Here,
we
review
recent
research
biology
EVs
CLL.
diagnostic/prognostic
significance
clearly
influence
clinical
outcome
CLL;
hence,
from
perspective
blocking
CLL-TME
interactions,
are
therapeutic
targets.
identification
novel
EV
inhibitors
might
pave
way
development
combination
treatments
for
optimization
currently
available
immunotherapy).
Language: Английский
Untargeted metabolomics identifies metabolic dysregulation of sphingolipids associated with aggressive chronic lymphocytic leukaemia and poor survival
Clinical and Translational Medicine,
Journal Year:
2023,
Volume and Issue:
13(12)
Published: Nov. 30, 2023
Abstract
Background
Metabolic
dependencies
of
chronic
lymphocytic
leukaemia
(CLL)
cells
may
represent
new
personalized
treatment
approaches
in
patients
harbouring
unfavourable
features.
Methods
Here,
we
used
untargeted
metabolomics
and
lipidomics
analyses
to
isolate
metabolomic
features
associated
with
aggressive
CLL
poor
survival
outcomes.
We
initially
focused
on
profiles
overexpression
the
adverse
metabolic
marker
glycosyltransferase
(UGT2B17)
drug
resistance.
Results
Leukaemic
B‐cell
metabolomes
indicated
a
significant
perturbation
lipids,
predominantly
bio‐active
sphingolipids.
Expression
numerous
enzyme‐encoding
genes
sphingolipid
biosynthesis
pathways
was
significantly
shorter
patient
survival.
Targeted
further
exposed
higher
circulating
levels
glucosylceramides
(C16:0
GluCer)
relative
healthy
donors
an
cancer
biology.
In
multivariate
analyses,
C16:0
GluCer
sphinganine
were
independent
prognostic
markers
inversely
linked
treatment‐free
These
two
species
function
as
antagonistic
mediators,
being
pro‐apoptotic
pro‐proliferative,
tested
leukemic
B‐CLL
cell
models.
Blocking
synthesis
using
ceramide
glucosyltransferase
inhibitors
induced
death
reduced
proliferative
phenotype,
which
sensitized
leukaemic
model
anti‐leukaemics
fludarabine
ibrutinib
vitro.
Conclusions
Specific
sphingolipids
serve
CLL,
inhibiting
enzymatic
involved
their
has
potential
therapaeutic
approach.
Language: Английский
Dysfunctional cardiac energy transduction, mitochondrial oxidative stress, oncogenic and apoptotic signaling in DiNP-induced asthma in murine model
Naunyn-Schmiedeberg s Archives of Pharmacology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 17, 2024
Language: Английский
CD38/NAD+ glycohydrolase and associated antigens in chronic lymphocytic leukaemia: from interconnected signalling pathways to therapeutic strategies
Biochimie,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 1, 2024
Language: Английский
The Value of Neutrophil Gelatinase-Associated Lipocalin Receptor as a Novel Partner of CD38 in Chronic Lymphocytic Leukemia: From an Adverse Prognostic Factor to a Potential Pharmacological Target?
Biomedicines,
Journal Year:
2023,
Volume and Issue:
11(9), P. 2335 - 2335
Published: Aug. 22, 2023
Chronic
lymphocytic
leukemia
(CLL)
is
characterized
by
the
accumulation
of
neoplastic
B
lymphocytes
that
escape
death,
and
correlates
with
expression
negative
prognostic
markers
such
as
CD38
antigen.
Although
certain
new
drugs
approved
US
Food
Drug
Administration
improve
clinical
outcome
CLL
patients,
drug
resistance
disease
relapse
still
occur.
Like
CD38,
neutrophil
gelatinase-associated
lipocalin
receptor
(NGAL-R)
frequently
overexpressed
in
cells.
Here,
we
evaluated
concomitant
surface
NGAL-R
leukemic
blood
cells
from
52
patients
(37
untreated,
8
remission,
7
relapsed).
We
provide
evidence
a
positive
correlation
between
levels
both
interpatient
cohorts
(p
<
0.0001)
individual
indicating
constitutive
association
at
cell
level.
Patients
progressing
showed
time-dependent
increase
NGAL-R/CD38
levels.
In
treated
who
achieved
were
decreased,
significantly
lower
than
untreated
relapsed
groups
0.02).
As
participate
survival,
envisioning
their
simultaneous
inhibition
bispecific
antibodies
capable
inducing
death
might
therapeutic
benefit
for
patients.
Language: Английский
Tumor Cell Survival Factors and Angiogenesis in Chronic Lymphocytic Leukemia: How Hot Is the Link?
Cancers,
Journal Year:
2024,
Volume and Issue:
17(1), P. 72 - 72
Published: Dec. 29, 2024
Chronic
lymphocytic
leukemia
(CLL)
is
characterized
by
the
accumulation
of
neoplastic
CD5+/CD19+
B
lymphocytes
in
blood.
These
cells
migrate
to
and
proliferate
bone
marrow
lymphoid
tissues.
Despite
development
new
therapies
for
CLL,
drug
resistance
disease
relapse
still
occur;
novel
treatment
approaches
are
therefore
needed.
Inhibition
angiogenesis
involved
progression
CLL
might
be
a
relevant
therapeutic
strategy.
The
literature
data
indicate
that
vascular
endothelial
growth
factor,
angiopoietin-2,
matrix
metalloproteinase-9
pro-angiogenic
factors
CLL.
A
number
other
have
activity:
fibroblast
factor-2,
certain
chemokines
(such
as
CXCL-12
CXCL-2),
tumor
necrosis
factor-α,
insulin-like
factor-1,
neutrophil
gelatinase-associated
lipocalin,
progranulin.
All
these
molecules
contribute
survival,
proliferation,
migration
cells.
Here,
we
review
on
factors’
respective
expression
profiles
roles
We
also
summarize
main
results
preclinical
clinical
trials
agents
targeting
most
setting.
Through
eradication
leukemic
inhibition
angiogenesis,
alter
course
Language: Английский