Phytochemical Analysis,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 12, 2024
This
study
explores
the
cytotoxic
activity-guided
isolation
of
underground
parts
Laserpitium
hispidum
M.
Bieb
and
petrophilum
Boiss.
&
Heldr.,
which
have
not
been
previously
investigated.
Cell Biochemistry and Function,
Journal Year:
2025,
Volume and Issue:
43(3)
Published: March 1, 2025
ABSTRACT
In
this
study,
the
cytotoxic
effects
of
pexidartinib
(PLX),
a
tyrosine
kinase
inhibitor
approved
for
tenosynovial
giant
cell
tumor
through
inhibition
colony‐stimulating
factor
1
receptor
(CSF1R),
against
A549
lung
adenocarcinoma
cells
and
Beas‐2B
healthy
bronchial
were
investigated
by
in
detailed
in‐vitro
in‐silico
studies.
Through
MTT
assays,
PLX
demonstrated
significant
viability
with
IC
50
values
2.15
1.3
µM
at
24
48
h,
respectively,
while
having
minimal
on
cells,
36.2
9.3
µM.
The
high
selectivity
index
indicates
PLX's
preferential
action
cancerous
cells.
mechanism
death
induced
was
further
explored
using
Annexin
V/PI
staining
flow
cytometry,
revealing
that
primarily
induces
necrosis
an
increase
necrotic
populations
reduced
efficacy
higher
concentrations.
Western
blot
analysis
showed
upregulation
necroptosis
markers
(RIP3
pMLKL)
apoptotic
like
Caspase‐3
remained
unchanged.
addition,
wound
healing
assays
significantly
inhibits
migration
dose‐dependent
manner.
Molecular
docking
studies
identified
key
amino
acids
involved
binding
interactions
target
proteins.
RIPK1
strongest
affinity.
MD
simulations
revealed
PLX‐VEGFR2
complex
most
stable.
As
conclusion,
PLX,
although
tumors,
shows
promising
potential
treatment.
It
selectively
cancer
viability,
necroptosis,
reduces
migration.
Its
stronger
to
VEGFR2
more
than
CSF1R.
Chemistry & Biodiversity,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 22, 2025
ABSTRACT
This
study
was
conducted
to
investigate
the
mechanism
of
potential
and
anti‐inflammatory
properties
nitrogen‐substituted
oleanolic
acid
derivatives
that
can
be
used
treat
neuroinflammatory
diseases.
Nitrogen‐containing
have
been
evaluated
for
their
anti‐neuroinflammatory
effects
in
vitro
neuronal
monocytic
cell
lines
at
nontoxic
doses,
production
cytokines
(TNF‐α,
IL‐6
IL‐17),
inflammatory
enzyme
induced
nitric
oxide
synthase
(iNOS)
NF‐κB
signalling
under
LPS‐stimulated
conditions,
expression
genes
associated
with
Alzheimer's
disease
assessed.
In
addition,
molecular
docking
dynamics
simulation
assessments
are
silico.
Key
protein
markers
neurodegenerative
diseases,
especially
neuroinflammation,
TAU
levels,
microglial
activation,
as
well
ionised
calcium‐binding
adaptor
protein‐1
(IBA1)
were
significantly
reduced
addition
derivatives.
LPS‐induced
luciferase
reporter
activity
iNOS
inhibited,
approaching
levels
uninduced
controls.
The
mRNA
proinflammatory
critical
such
TNF‐α,
NF‐κB,
IL‐17,
twofold
sevenfold.
Furthermore,
MD
analyses
revealed
interactions
TNF‐α
proteins.
These
findings
underscore
derivatives,
particularly
compound
16
,
candidates
further
development
therapeutic
agents
diseases
chronic
inflammation.