Synthesis, Structural Modification, and Antismall Cell Lung Cancer Activity of 3-Arylisoquinolines with Dual Inhibitory Activity on Topoisomerase I and II
Xuemei Deng,
No information about this author
Yuying Wang,
No information about this author
Xi Yang
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et al.
Journal of Medicinal Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 22, 2025
To
overcome
the
compensatory
effect
between
Topo
I
and
II,
one
of
reasons
accounting
for
resistance
SCLC
patients,
we
are
pioneering
use
3-arylisoquinolines
to
develop
dual
inhibitors
I/II
management
SCLC.
A
total
46
new
compounds
were
synthesized.
Compounds
3g
(IC50
=
1.30
μM
NCI-H446
cells
1.42
NCI-H1048
cells)
3x
1.32
2.45
selected
detailed
pharmacological
investigation,
due
their
outstanding
cytotoxicity
II
inhibitory
activity.
effectively
prevent
cell
proliferation,
invasion,
migration
in
vitro,
byinducing
mitochondrial
apoptosis
inhibiting
PI3K/Akt/mTOR
pathway.
Their
vivo
tumor
inhibition
rate
is
comparable
etoposide
with
lower
toxicity.
These
results
indicated
potential
therapeutic
values
as
treating
Language: Английский
Long-term Complete Response to Pembrolizumab in Tumor Mutation Burden-high Small Cell Lung Cancer: A Case Report
Kiyohide Komuta,
No information about this author
Kei Kunimasa,
No information about this author
Akito Miyazaki
No information about this author
et al.
Case Reports in Oncology,
Journal Year:
2025,
Volume and Issue:
18(1), P. 443 - 448
Published: March 6, 2025
Introduction:
Extensive-stage
small-cell
lung
cancer
(ED-SCLC)
has
a
poor
prognosis.
There
are
few
case
reports
on
the
therapeutic
effect
of
pembrolizumab
in
advanced
SCLC
with
high
tumor
mutation
burden
(TMB-high).
Case
Presentation:
A
65-year-old
woman
was
diagnosed
ED-SCLC.
The
initial
treatment
regimen
included
carboplatin,
etoposide,
and
durvalumab.
Following
administration
durvalumab,
etoposide
discontinued
due
to
an
anaphylactic
reaction
immediately
after
its
initiation.
patient
unable
continue
same
switched
cisplatin
irinotecan
therapy.
FoundationOne
panel
test
submitted
at
time,
TMB-high
detected.
After
four
courses
therapy,
introduced,
complete
response
(CR)
maintained
for
18
months.
Conclusion:
We
report
rare
long-term
ED-SCLC
TMB-high,
highlighting
potential
targeted
immunotherapy
such
cases.
Language: Английский
Top advances of the year: Small cell lung cancer
Cancer,
Journal Year:
2025,
Volume and Issue:
131(6)
Published: March 4, 2025
Lung
cancer
remains
the
leading
cause
of
cancer-related
mortality
in
both
men
and
women.
Small
cell
lung
(SCLC)
is
notorious
for
its
early
metastatic
spread,
aggressive
biology,
high
frequency
disease
relapse,
resulting
inferior
outcomes.
In
last
few
years,
immunotherapy
extensive-stage
SCLC
has
offered
a
glimmer
hope
by
improving
survival
approximately
2
months.
2024,
therapeutic
breakthroughs
led
to
meaningful
impact
patients,
offering
potential
long-term
survival.
Here,
authors
report
top
advances
from
including
practice-changing
implementation
consolidative
durvalumab
limited-stage
SCLC,
lessons
learned
timing
with
radiation
using
LU-005,
how
delta-like
ligand
3
bispecific
T-cell
engager
tarlatamab
affects
relapsed
landscape,
addition
lurbinectedin
atezolizumab
promising
role
antibody-drug
conjugates.
forward-thinking
approach,
discuss
feasibility
biomarker
selection
Southwest
Oncology
Group
SWOG
S1929
study
precision
medicine
may
inform
treatments
through
neuroendocrine
subtyping
S2409
(PRISM)
trial.
Finally,
they
conclude
exciting
advocacy
newly
formed
group
Cell
SMASHERS,
amplifying
support
SCLC.
scientific
revolution
arrived,
spearheading
new
era
change
this
disease.
Language: Английский
Prolonged Low-Dose Administration of FDA-Approved Drugs for Non-Cancer Conditions: A Review of Potential Targets in Cancer Cells
Olivia Chang,
No information about this author
Sophia S. Cheon,
No information about this author
Nina Semenova
No information about this author
et al.
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(6), P. 2720 - 2720
Published: March 18, 2025
Though
not
specifically
designed
for
cancer
therapy,
several
FDA-approved
drugs
such
as
metformin,
aspirin,
and
simvastatin
have
an
effect
in
lowering
the
incidence
of
cancer.
However,
there
is
a
great
discrepancy
between
vitro
concentrations
needed
to
eliminate
cells
plasma
concentration
normally
tolerated
within
body.
At
present,
no
universal
explanation
this
mechanisms
been
proposed
including
targeting
stem
(CSCs)
or
cellular
senescence.
CSCs
are
with
ability
self-renewal
differentiation
known
be
resistant
chemotherapy.
Senescence
response
damage
stress,
characterized
by
permanent
cell-cycle
arrest
apoptotic
resistance.
Although,
both
situations,
few
examples
where
low
were
most
effective,
satisfactory
data
support
that
either
senescence
target
these
drugs.
In
review,
we
concisely
summarize
used
non-cancer
conditions
well
their
potential
action
incidence.
addition,
propose
prolonged
low-dose
administration
(PLDA)
specific
can
useful
effectively
preventing
metastasis
formation
selected
patients.
Language: Английский
Comparative profiling of surgically resected primary tumors and their lymph node metastases in small-cell lung cancer
ESMO Open,
Journal Year:
2025,
Volume and Issue:
10(4), P. 104514 - 104514
Published: March 18, 2025
Language: Английский
Recent advances in immunotherapy for small cell lung cancer
Ziyuan Ren,
No information about this author
Shijie Shang,
No information about this author
Dawei Chen
No information about this author
et al.
Current Opinion in Oncology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 4, 2024
This
review
aims
to
provide
an
overview
of
recent
advances
in
immunotherapy
for
small
cell
lung
cancer
(SCLC),
with
a
focus
on
the
current
status
immune
checkpoint
inhibitors
(ICIs),
novel
combination
strategies,
and
key
biomarkers.
Language: Английский
Molecular Interactions of the Plant Steroid Hormone Epibrassinolide on Human Drug-Sensitive and Drug-Resistant Small-Cell Lung Carcinoma Cells
David Sadava,
No information about this author
Shiuan Chen
No information about this author
Cancers,
Journal Year:
2024,
Volume and Issue:
16(22), P. 3812 - 3812
Published: Nov. 13, 2024
Background:
Small-cell
lung
cancer
(SCLC)
has
a
poor
prognosis
because
it
is
often
diagnosed
after
spread
and
develops
multi-drug
resistance.
Epibrassinolide
(EB)
plant
steroid
hormone
with
widespread
distribution
physiological
effects.
In
plants,
EB-activated
gene
expression
occurs
via
GSK-mediated
signaling
pathway,
similar
to
Wnt-β-catenin
in
animal
cells
that
elevated
cells.
Methods:
This
mechanistic
parallel
prompted
investigations
of
the
molecular
interactions
EB
on
drug-sensitive
(H69)
multi-drug-resistant
(VPA)
SCLC
Cellular
were
performed.
Results:
Pharmacologic
between
Wnt
inhibitors
IGC-011
PRI-724
determined
by
combination
index
method
showed
antagonism,
indicating
acts
same
pathway
as
these
inhibitors.
Following
incubation
drug-resistant
EB,
there
was
reduction
β-catenin
(e.g.,
3.8
0.7
pg/µg
protein),
accompanied
promoter
activity,
measured
firefly
luciferase-coupled
element
transfection.
concentration
regulated
active
form
GSK3β.
signaling,
GSK3β
converted
inactive
pGSK3β,
thereby
increasing
β-catenin.
After
(pGSK3β)
relative
increase
(GSK3β).
vitro
enzyme
assays
did
not
inhibit
purified
GSK3β,
but
non-competitive
inhibition
when
cell
extracts
used
source
enzyme.
indirect
indicates
may
act
blocking
phosphorylation
The
protein
levels
three
tumor
markers,
namely,
NSE,
CAV1,
MYCL1,
led
significant
markers.
Two
major
effects
are
promotion
apoptosis
reversal
drug
Transcriptional
analyses
exposure
increases
genes
encoding
apoptotic
inducers
BAX
FAS)
effectors
CASP3)
reductions
survivin).
PGP1
MRP1,
two
membrane
efflux
pumps
expressed
cells,
affect
levels.
an
alter
activity.
human
liver
microsomes,
metabolized
NADPH-dependent
oxidation
UDPG-dependent
glucuronidation,
evidenced
elimination
cytotoxicity
against
Conclusions:
Taken
together,
data
indicate
plants
consumed
diet,
pharmacologically
alters
expression,
substrate
for
microsomal
modifications.
Language: Английский
Novel Spatial Approaches to Dissect the Lung Cancer Immune Microenvironment
Cancers,
Journal Year:
2024,
Volume and Issue:
16(24), P. 4145 - 4145
Published: Dec. 12, 2024
Lung
cancer
is
a
deadly
disease
with
the
highest
rates
of
mortality.
Over
recent
decades,
better
understanding
biological
mechanisms
implicated
in
its
pathogenesis
has
led
to
development
targeted
therapies
and
immunotherapy,
resulting
improvements
patient
outcomes.
To
understand
lung
tumor
biology
advance
towards
precision
oncology,
comprehensive
profile
necessary.
In
years,
novel
situ
spatial
multiomics
approaches
have
emerged
offering
more
detailed
view
location
microenvironment
cells,
identifying
their
unique
composition
functional
status.
this
sense,
platforms
been
developed
evaluate
heterogeneity,
gene
expression,
metabolic
reprogramming,
signaling
pathway
activation,
cell–cell
interactions,
immune
cell
programs.
research,
several
studies
used
these
technologies
locate
cells
associated
them
histological
features
that
are
relevant
adenocarcinoma.
These
advancements
may
unveil
further
molecular
will
lead
discovery
biomarkers
for
treatment
prediction
prognosis.
review,
we
provide
an
overview
widely
emerging
pathology-based
profiling
how
they
enhance
our
response.
Language: Английский