Protective Effects of Oleanolic Acid on Human Keratinocytes: A Defense Against Exogenous Damage
Pharmaceuticals,
Journal Year:
2025,
Volume and Issue:
18(2), P. 238 - 238
Published: Feb. 11, 2025
Background/objectives:
Aging
leads
to
increased
oxidative
stress
and
chronic
inflammation
in
the
skin,
which
contribute
various
disorders
such
as
dermatitis
cancer.
This
study
explores
cytoprotective
effects
of
oleanolic
acid
(OA),
a
natural
triterpenoid
compound
known
for
its
potential
mitigating
damage,
on
human
keratinocyte
(HaCaT)
cells
exposed
from
tert-butyl
hydroperoxide
(tBHP).
Methods:
Using
vitro
experiments,
we
assessed
cell
viability,
reactive
oxygen
species
(ROS)
levels,
nitric
oxide
(NO)
production,
protein
expression
following
OA
pre-treatment.
Advanced
imaging
techniques
were
employed
visualize
localization.
Results:
Results
demonstrated
that
significantly
improved
viability
reduced
intracellular
ROS
levels
compared
with
those
controls.
Additionally,
inhibited
inducible
synthase
(iNOS)
subsequent
release,
indicating
modulation
inflammatory
responses.
Notably,
while
tBHP
activated
Nrf2/HO-1
signaling
pathway,
did
not
enhance
this
response,
suggesting
exerts
through
mechanisms
independent
Nrf2
activation.
Conclusion:
shows
promise
protecting
HaCaT
tBHP-induced
stress,
highlighting
role
promoting
skin
health
addressing
aging-related
damage.
The
proposes
operates
pathways
distinct
MAPKs,
paving
way
new
therapeutic
strategies
aimed
at
improving
against
stress.
Language: Английский
In-Silico Investigation of Eleusine coracana Phytocompounds as Prostate Cancer Therapeutics Targeting Heat Shock Protein 90 Alpha Family Protein
Saba Parveen,
No information about this author
Praveen Kumar,
No information about this author
Akshat H. Rathi
No information about this author
et al.
Journal of Computational Biophysics and Chemistry,
Journal Year:
2025,
Volume and Issue:
24(07), P. 933 - 948
Published: Jan. 9, 2025
The
major
cause
of
death
among
men
comes
from
prostate
cancer
which
contributes
a
significant
portion
to
the
rate
mortality.
therapeutics
including
surgery,
radiation,
and
chemotherapy,
are
often
effective
but
can
have
an
adverse
side
effect
on
patient’s
body.
Numerous
medicinal
plants
available
that
contain
therapeutic
values
combat
against
cancer.
compounds
Eleusine
coracana
known
possess
numerous
properties.
Moreover,
plant
is
also
promising
anticancer
effects.
This
work
involved
screening
phytocompounds
E.
Indian
database,
IMPAAT,
investigate
their
ability
as
activators
HSP90AA1.
in
silico
tools,
such
PASS
Online
server
pkCSM
software
were
used
anticipate
anticancerous
activity
ADMET
properties,
respectively.
Molecular
docking
was
determine
binding
energies
validate
interaction
between
ligands
All
active
substances,
isovitexin,
vitexin,
triglochinin,
caffeic
acid
stigmasterol,
affinity
for
HSP90AA1
pocket
demonstrate
suitable
array
drug-like
characteristics.
Furthermore,
MD
simulation
confirmed
protein-ligand
complex’s
stability,
dynamic
behavior
conformational
changes.
Taken
together,
stigmasterol
might
be
designing
potential
drug
molecules
targeting
Nonetheless,
hold
great
development
novel,
less
toxic
agents
management.
Language: Английский
New Derivatives of Oleanolic Acid: Semi-Synthesis and Evaluation of Their Anti-15-LOX, Anti-α-Glucosidase and Anticancer Activities and Molecular Docking Studies
Nahla Triaa,
No information about this author
Salma Jlizi,
No information about this author
Mansour Znati
No information about this author
et al.
Chemistry,
Journal Year:
2025,
Volume and Issue:
7(2), P. 36 - 36
Published: March 7, 2025
A
novel
series
of
oleanolic
acid
(OA,
1)
derivatives
incorporating
phenolic
and
coumarin
moieties
were
synthesized.
This
was
extracted
from
olive
pomace
(Olea
europaea
L.)
using
an
ultrasound-assisted
method.
The
structures
these
OA
characterized
through
the
utilization
1H-NMR,
13C-NMR
ESI-HRMS
analyses.
An
evaluation
some
biological
activities
prepared
conducted.
focused
principally
on
capacity
to
inhibit
15-lipoxygenase
α-glucosidase,
as
well
their
anticancer
properties
when
tested
against
tumour
cell
lines
(HCT-116
LS-174T)
a
non-tumour
line
(HEK-293).
In
terms
cytotoxic
activity,
majority
compounds
exhibited
notable
inhibitory
effects
compared
starting
molecule,
OA.
Derivatives
4d,
4k
4m
particularly
strong
HCT-116
line,
with
IC₅₀
values
38.5,
39.3,
40.0
µM,
respectively.
4l,
4e
5d
demonstrated
most
effective
inhibition
LS-174T
IC50
44.0,
44.3,
38.0
However,
compound
2a
effective,
exhibiting
potent
52.4
59.5
Furthermore,
molecular
docking
studies
supported
in
vitro
revealing
that
low
binding
energies
interacted
effectively
within
EGFR
enzyme’s
active
pocket
(PDB:
1M17).
These
findings
highlight
potential
agents
enzymatic
inhibitors,
warranting
further
investigation.
Language: Английский
Synthesis of novel bioactive amides derived from carbazole moiety with deep-blue and single-component white photoluminescence
Journal of Photochemistry and Photobiology A Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown, P. 116394 - 116394
Published: March 1, 2025
Language: Английский
Targeting the mTOR Pathway in Hepatocellular Carcinoma: The Therapeutic Potential of Natural Products
Guo Chen,
No information about this author
Ya Zhang,
No information about this author
Y.‐H. Zhou
No information about this author
et al.
Journal of Inflammation Research,
Journal Year:
2024,
Volume and Issue:
Volume 17, P. 10421 - 10440
Published: Dec. 1, 2024
Despite
advancements
in
cancer
treatment
through
surgery
and
drugs,
hepatocellular
carcinoma
(HCC)
remains
a
significant
challenge,
as
reflected
by
its
low
survival
rates.
The
mammalian
target
of
rapamycin
(mTOR)
signaling
pathway
plays
crucial
role
regulating
the
cell
cycle,
proliferation,
apoptosis,
metabolism.
Notably,
dysregulation
leading
to
activation
mTOR
is
common
HCC,
making
it
key
focus
for
in-depth
research
current
therapeutic
strategies.
This
review
focuses
on
downstream
effectors
HCC
autophagy,
metabolic
reprogramming.
Moreover,
emphasizes
potential
natural
products
modulators
pathway.
When
incorporated
into
combination
therapies,
these
have
been
demonstrated
augment
efficacy
surmount
drug
resistance.
These
pathways
such
pathways.
Examples
include
11-epi-sinulariolide
acetate,
matrine,
asparagus
polysaccharide.
Their
inhibitory
effects
processes
suggest
valuable
directions
development
more
effective
Various
ability
inhibit
suppress
progression.
phytochemicals,
functioning
inhibitors,
hold
great
promise
anti-HCC
agents,
especially
context
overcoming
chemoresistance
enhancing
outcomes
therapies.
Language: Английский