Quercetin suppresses ROS production and migration by specifically targeting Rac1 activation in gliomas
Rafia A. Baba,
No information about this author
Hilal Ahmad Mir,
No information about this author
Taseem A. Mokhdomi
No information about this author
et al.
Frontiers in Pharmacology,
Journal Year:
2024,
Volume and Issue:
15
Published: Jan. 31, 2024
P66Shc
and
Rac1
proteins
are
responsible
for
tumor-associated
inflammation,
particularly
in
brain
tumors
characterized
by
elevated
oxidative
stress
increased
reactive
oxygen
species
(ROS)
production.
Quercetin,
a
natural
polyphenolic
flavonoid,
is
well-known
redox
modulator
with
anticancer
properties.
It
has
the
capacity
to
cross
blood–brain
barrier
and,
thus,
could
be
possible
drug
against
tumors.
In
this
study,
we
explored
effect
of
quercetin
on
Rac1/p66Shc-mediated
tumor
cell
which
principal
pathway
generation
ROS
cells.
Glioma
cells
transfected
Rac1,
p66Shc,
or
both
were
treated
varying
concentrations
different
time
points.
Quercetin
significantly
reduced
viability
migration
an
ROS-dependent
manner
concomitant
inhibition
Rac1/p66Shc
expression
production
naïve
Rac1/p66Shc-transfected
lines,
suggestive
preventing
activation.
Through
molecular
docking
simulations,
observed
that
showed
best
binding
compared
other
known
inhibitors
specifically
blocked
GTP-binding
site
A-loop
prevent
GTP
We
conclude
exerts
its
effects
via
modulation
Rac1-p66Shc
signaling
inhibiting
activation,
thus
restraining
growth.
Language: Английский
Autophagy regulates apoptosis of colorectal cancer cells based on signaling pathways
Yuwei Yan,
No information about this author
Wenyan Yu,
No information about this author
Min Guo
No information about this author
et al.
Discover Oncology,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Aug. 25, 2024
Colorectal
cancer
is
a
common
malignant
tumor
of
the
digestive
system.
Its
morbidity
and
mortality
rank
among
highest
in
world.
Cancer
development
associated
with
aberrant
signaling
pathways.
Autophagy
process
cell
self-digestion
that
maintains
intracellular
environment
has
bidirectional
regulatory
role
cancer.
Apoptosis
one
important
death
programs
cells
able
to
inhibit
development.
Studies
have
shown
variety
substances
can
regulate
autophagy
apoptosis
colorectal
through
pathways,
participate
regulation
on
apoptosis.
In
this
paper,
we
focus
relevant
research
based
involvement
related
pathways
order
provide
new
ideas
therapeutic
directions
for
treatment
Language: Английский
A sesquiterpene lactone, tomentosin, as a novel anticancer agent: orchestrating apoptosis, autophagy, and ER stress in colorectal cancer
Naunyn-Schmiedeberg s Archives of Pharmacology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 11, 2025
Abstract
Colorectal
cancer
(CRC)
remains
a
leading
cause
of
cancer-related
mortality
worldwide.
Natural
compounds
with
anticancer
potential,
such
as
tomentosin,
sesquiterpene
lactone
derived
from
Inula
viscosa
,
are
under
investigation
alternative
therapeutic
agents.
However,
its
potential
effects
on
CRC
remain
unexplored.
This
study
aimed
to
evaluate
the
tomentosin
in
cells
and
elucidate
underlying
molecular
mechanisms.
HCT
116
HT-
29
were
treated
cell
viability,
colony
formation,
invasion,
apoptosis,
mitochondrial
membrane
(MMP),
reactive
oxygen
species
(ROS)
production,
autophagy,
endoplasmic
reticulum
(ER)
stress
evaluated.
Various
assays,
including
XTT,
Matrigel
invasion
used
assess
proliferation,
invasion.
Tomentosin
markedly
reduced
viability
formation
dose-dependent
manner.
It
suppressed
induced
evidenced
by
an
increased
apoptotic
index
upregulation
CASP3
CASP7
CASP8
CASP9
BAX
.
disrupted
MMP
elevated
ROS
levels,
contributing
signaling.
Autophagic
activity
was
significantly
upregulated,
expression
BECLIN1
ATG5
ATG7
MAP1LC3
A
ER
markers
GRP78
ATF6
CHOP
XBP1
also
suggesting
role
death.
has
inducing
modulating
triggering
stress.
These
findings
underscore
tomentosin’s
novel
candidate
for
CRC,
warranting
further
vivo
clinical
investigations.
Language: Английский
Exploring the anti-cancer and Antimetastatic effect of Silymarin Against Lung Cancer.
Toxicology Reports,
Journal Year:
2024,
Volume and Issue:
13, P. 101746 - 101746
Published: Sept. 28, 2024
Language: Английский
Effect of Acacia concinna Extract on Apoptosis Induction Associated with Endoplasmic Reticulum Stress and Modulated Intracellular Signaling Pathway in Human Colon HCT116 Cancer Cells
Nutrients,
Journal Year:
2024,
Volume and Issue:
16(21), P. 3764 - 3764
Published: Nov. 1, 2024
Colorectal
cancer
(CRC)
stands
as
one
of
the
most
prevalent
types
and
among
frequent
causes
cancer-related
death
globally.
Language: Английский
Network pharmacology and in vitro experiments reveal sophoridine‐induced apoptosis and G1 phase arrest via ROS‐dependent PI3K/Akt/FoxO3a pathway activation in human bladder cancer cells
Yao Su,
No information about this author
Lin Chen,
No information about this author
Jin Yang
No information about this author
et al.
Chemical Biology & Drug Design,
Journal Year:
2024,
Volume and Issue:
103(2)
Published: Feb. 1, 2024
Abstract
Bladder
cancer
(BLCA),
a
common
primary
malignancy,
exhibits
resistance
to
conventional
chemotherapeutic
agents.
Sophoridine
(SR)
is
quinoline
alkaloid
derived
from
the
traditional
Chinese
herb
Sophora
alopecuroides
L.,
which
belongs
legume
family
Sophoraceae.
SR
reported
exert
growth‐inhibitory
effects
against
several
cancers.
However,
mechanisms
underlying
of
on
BLCA
have
not
been
elucidated.
This
study
performed
molecular
and
cellular
experiments
verify
mechanisms.
inhibited
cell
proliferation
promoted
apoptosis
G1‐phase
arrest
through
PI3K/AKT/FoxO3a
signaling
pathway.
More
interestingly,
can
be
attributed
accumulation
reactive
oxygen
species
(ROS)
in
vivo.
ROS
may
upstream
factor
this
Additionally,
migration
invasion
cells
concentration‐dependent
or
time‐dependent
manner.
first
demonstrate
ROS‐dependent
pathway‐mediated
anticancer
effect
mechanism
BLCA.
The
correlation
between
SR‐induced
inhibition,
apoptosis,
cycle
arrest,
suggests
that
promising
novel
therapeutic
for
Language: Английский
Design, synthesis, and antiproliferative activity evaluation of novel α-mangostin derivatives by ROS/MAPK signaling pathway
Mangaladoss Fredimoses,
No information about this author
Li Pan,
No information about this author
Yunqing Zhang
No information about this author
et al.
Bioorganic Chemistry,
Journal Year:
2024,
Volume and Issue:
153, P. 107968 - 107968
Published: Nov. 16, 2024
Language: Английский
A Zeolitic Imidazolate Framework-Based Antimicrobial Peptide Delivery System with Enhanced Anticancer Activity and Low Systemic Toxicity
Jingwen Jiang,
No information about this author
Kaderya Kaysar,
No information about this author
Yanzhu Pan
No information about this author
et al.
Pharmaceutics,
Journal Year:
2024,
Volume and Issue:
16(12), P. 1591 - 1591
Published: Dec. 13, 2024
Background:
The
clinical
efficacies
of
anticancer
drugs
are
limited
by
non-selective
toxic
effects
on
healthy
tissues
and
low
bioavailability
in
tumor
tissue.
Therefore,
the
development
vehicles
that
can
selectively
deliver
release
at
site
is
critical
for
further
improvements
patient
survival.
Methods:
We
prepared
a
CEC
nano-drug
delivery
system,
CEC@ZIF-8,
with
zeolite
imidazole
framework-8
(ZIF-8)
as
carrier,
which
achieve
response
folate
receptor
(FR).
characterized
this
system
terms
morphology,
particle
size,
zeta
potential,
infrared
(IR),
x-ray
diffraction
(XRD),
transcriptome
analysis,
examined
vitro
cytotoxicity
cellular
uptake
properties
CEC@ZIF-8
using
cervical
cancer
cells.
Lastly,
we
established
TC-1
tumor-bearing
mouse
model
evaluated
its
vivo
anti-cervical
activity.
Results:
nano-delivery
had
favorable
biocompatibility,
heat
stability,
pH
responsiveness,
loading
efficiency
12%,
hydrated
size
174
±
5.8
nm,
potential
20.57
mV,
slow
massive
drug
an
acidic
environment
(pH
5.5),
whereas
was
6%
neutral
7.4).
At
same
time,
confocal
imaging
cell
viability
assays
demonstrated
greater
intracellular
accumulation
more
potent
against
cells
compared
to
free
CEC.
mechanism
analyzed
series
analyses,
revealed
NPs
differentially
regulate
expression
levels
1057
genes
cells,
indicated
enriched
pathways
were
mainly
cycle
apoptosis-related
via
enrichment
analysis
differential
genes.
Flow
cytometry
showed
inhibited
growth
HeLa
arresting
G0/G1
phase.
also
induced
apoptosis
rates
than
CEC,
while
unloaded
ZIF-8
little
inherent
pro-apoptotic
Furthermore,
reactive
oxygen
species
(ROS)
upregulated
ROS
inhibitors
caspase
reversed
NPs-induced
apoptosis.
Finally,
reduced
rate
xenograft
tumors
mice
without
systemic
toxicity
observed
cisplatin
treatment.
Conclusions:
significantly
enhanced
effect
both
vitro,
providing
promising
applications
management.
work
demonstrates
CEC-loaded
nanoparticles
selective
destruction
tissues.
Language: Английский
Bruceantinol works as a CDK2/4/6 inhibitor to inhibit the growth of breast cancer cells
Li Sun,
No information about this author
Yumeng Wang,
No information about this author
Jia Li
No information about this author
et al.
Chemico-Biological Interactions,
Journal Year:
2024,
Volume and Issue:
395, P. 110999 - 110999
Published: April 10, 2024
Bruceantinol
(BOL),
isolated
from
the
dried
fruit
of
Brucea
javanica
(L.)
Merr.,
exhibits
cytotoxic
effects
on
breast
cancer
cells.
However,
underlying
mechanism
remains
to
be
fully
addressed.
In
this
paper,
MCF-7
and
MDA-MB-231
human
cell
lines
were
used
as
experimental
models
uncover
how
BOL
inhibits
growth.
The
growth,
proliferation,
cycle,
apoptosis
investigated
using
MTT
assays,
EdU
incorporation
flow
cytometry,
respectively.
Bioinformatics
techniques
applied
predict
key
targets
in
cancer.
Subsequent
validation
these
anti-breast
was
conducted
through
Western
blotting,
RT-PCR,
siRNA
transfection,
molecular
docking
analysis.
results
demonstrated
that
dose-
time-dependently
reduced
growth
both
lines,
impeded
disrupted
induced
necrosis
cells
Furthermore,
CDK2/4/6
identified
targets,
their
knockdown
sensitivity
BOL.
found
potentially
bind
with
facilitate
protein
degradation
proteasome
pathway.
Additionally,
activated
ERK
cells,
activation
required
for
BOL's
functions
Collectively,
may
act
an
inhibitor
exert
effects.
Its
expression
also
depend
HRs
Language: Английский
Exploring the Impact of Apelin and Reactive Oxygen Species on Autophagy and Cell Senescence in Pre-eclampsia
Xue Peng,
No information about this author
Xi Tan,
No information about this author
Li Dai
No information about this author
et al.
Free Radical Research,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 26
Published: Dec. 23, 2024
This
research
investigates
the
interplay
between
Reactive
Oxygen
Species
(ROS)
and
Apelin
(APLN)
in
regulating
autophagy,
with
implications
for
placental
cell
senescence
apoptosis
pre-eclampsia
(PE).
We
manipulated
APLN
expression
using
sgRNA
to
study
its
effects
on
ROS
levels
subsequent
cellular
responses.
Our
findings
reveal
that
overexpression
elevates
production,
accelerating
apoptosis.
In
contrast,
silencing
enhances
thereby
diminishing
aging
These
outcomes
were
confirmed
vitro
vivo
experiments,
establishing
a
causative
relationship
ROS-mediated
modulation
altered
dynamics
PE.
The
results
suggest
potential
therapeutic
targets
within
pathways
alleviate
detrimental
changes
placenta,
offering
new
strategies
clinical
management
of
emphasizes
crucial
role
autophagy
health
sets
stage
future
investigations
into
interventions
pregnancy-related
complications.
Language: Английский