Scientia Pharmaceutica,
Journal Year:
2023,
Volume and Issue:
91(1), P. 7 - 7
Published: Jan. 28, 2023
Virtual
screening
of
the
potential
lead
chemotherapeutic
phytochemicals
from
medicinal
plants
has
useful
application
in
field
in-silico
modelling
and
computer-based
drug
design
by
orienting
scoring
ligands
active
binding
site
a
target
protein.
The
phytochemical
investigation
Pterocephalus
frutescens
extract
n-butanol
resulted
isolation
structure
elucidation
three
iridoids
four
flavonoids
which
were
identified
as
Geniposide
(1),
Geniposidic
acid
(2),
Nepetanudoside
C
(3),
Isovitexin
(4),
Luteolin-7-O-glucoside
(5)
Isoorientin
(6)
Orientin
(7),
respectively.
Molecular
docking
studies
used
to
compare
energies
isolated
at
biological
cancer-relevant
targets;
namely,
aromatase,
carbonic
anhydrase
IX,
fatty
synthase,
topoisomerase
II-DNA
complex.
study
concluded
that
compounds
have
promising
cytotoxic
activities,
particular,
(7)
exhibited
high
affinities
among
sites
enzymes;
Aromatase
(−8.73
Kcal/mol),
Carbonic
IX
(−8.92
respectively,
surpassing
corresponding
scores
co-crystallized
reference
drugs
these
enzymes.
Additionally,
compounds,
showed
most
outstanding
Fatty
Topisomerase
complex
with
−6.82,
−7.99
Kcal/mol,
Finally,
SwissADME
online
web
tool
predicted
possessed
acceptable
oral
bioavailability
likeness
characteristics.
ACS Omega,
Journal Year:
2023,
Volume and Issue:
8(20), P. 17948 - 17965
Published: May 11, 2023
Microbial
DNA
gyrase
is
regarded
as
an
outstanding
microbial
target.
Hence,
15
new
quinoline
derivatives
(5-14)
were
designed
and
synthesized.
The
antimicrobial
activity
of
the
afforded
compounds
was
pursued
via
in
vitro
approaches.
investigated
displayed
eligible
MIC
values,
particularly
against
G-positive
Staphylococcus
aureus
species.
Consequently,
S.
supercoiling
assay
performed,
using
ciprofloxacin
a
reference
control.
Obviously,
6b
10
unveiled
IC50
values
33.64
8.45
μM,
respectively.
Alongside,
exhibited
value
3.80
μM.
Furthermore,
significant
docking
binding
score
encountered
by
compound
(-7.73
kcal/mol),
surpassing
(-7.29
kcal/mol).
Additionally,
both
revealed
high
GIT
absorption
without
passing
blood
brain
barrier.
Finally,
conducted
structure-activity
relationship
study
assured
usefulness
hydrazine
moiety
molecular
hybrid
for
either
cyclic
or
opened
form.
Journal of Enzyme Inhibition and Medicinal Chemistry,
Journal Year:
2023,
Volume and Issue:
38(1)
Published: Jan. 26, 2023
Topoisomerase
II
(TOP-2)
is
a
promising
molecular
target
for
cancer
therapy.
Numerous
antibiotics
could
interact
with
biologically
relevant
macromolecules
and
provoke
antitumor
potential.
Herein,
docking
studies
were
used
to
investigate
the
binding
interactions
of
138
against
human
topoisomerase
II-DNA
complex.
Followed
by
MD
simulations
200
ns
MM-GBSA
calculations.
On
other
hand,
activities
most
candidates
investigated
three
cell
lines
using
doxorubicin
(DOX)
as
reference
drug.
Notably,
spiramycin
(SP)
clarithromycin
(CL)
showed
anticancer
potentials
on
MCF-7
line.
Moreover,
azithromycin
(AZ)
CL
exhibited
good
HCT-116
Finally,
TOP-2
enzyme
inhibition
assay
was
carried
out
confirm
proposed
rationale.
Briefly,
potent
inhibitory
recorded
erythromycin
(ER)
roxithromycin
(RO).
Additionally,
SAR
study
opened
eyes
pharmacophores
encountered
these
antibiotics.HighlightsMolecular
139
complex.SP,
RO,
AZ,
CL,
ER
commercially
available
candidates.Molecular
dynamics
five
complexes.MM-GBSA
calculations
frontier
complexes.SP
line,
besides,
AZ
line.Potent
RO.
Journal of Enzyme Inhibition and Medicinal Chemistry,
Journal Year:
2023,
Volume and Issue:
38(1)
Published: Jan. 11, 2023
In
this
research,
two
novel
series
of
dibenzo[b,f]azepines
(14
candidates)
were
designed
and
synthesised
based
on
the
rigidification
principle
following
reported
doxorubicin's
pharmacophoric
features.
The
anti-proliferative
activity
was
evaluated
at
NCI
against
a
panel
60
cancer
cell
lines.
Further,
promising
candidates
(5a-g)
for
their
ability
to
inhibit
topoisomerase
II,
where
5e
noticed
be
most
active
congener.
Moreover,
its
cytotoxicity
leukaemia
SR
cells.
Also,
arrested
cycle
G1
phase
increased
apoptosis
ratio
by
37.34%.
Furthermore,
in
vivo
studies
showed
inhibition
tumour
proliferation
decrease
volume.
Histopathology
liver
enzymes
examined
as
well.
Besides,
molecular
docking,
physicochemical,
pharmacokinetic
properties
carried
out.
Finally,
SAR
study
discussed
open
gate
further
optimisation
candidate
(5e).HighlightsTwo
drug
design.The
lines.5e
anti-topo
II
congener
(IC50
=
6.36
±
0.36
µM).5e
cells
cytotoxic
effect
confirmed
13.05
0.62
µM).In
significantly
inhibited
62.7%
decreased
volume
30.1
mm3
compared
doxorubicin
treatment.
Future Medicinal Chemistry,
Journal Year:
2024,
Volume and Issue:
16(11), P. 1087 - 1107
Published: May 9, 2024
Aim:
Using
molecular
hybridization
approach,
novel
18
quinoline
derivatives
(6a–11)
were
designed
and
synthesized
as
EGFR-TK
inhibitors.
Materials
&
methods:
The
antiproliferative
activity
was
assessed
against
breast
(MCF-7),
leukemia
(HL-60)
lung
(A549)
cancer
cell
lines.
Moreover,
the
most
active
(6d
8b)
further
investigated
for
their
potential
In
addition,
cycle
analysis
apoptosis
induction
conducted.
Results:
A
considerable
cytotoxic
attained
with
IC50
values
spanning
from
0.06
to
1.12
μM.
Besides,
6d
8b
displayed
potent
inhibitory
EFGR
of
0.18
0.08
μM,
respectively.
Conclusion:
Accordingly,
afforded
can
be
used
promising
lead
anticancer
candidates
future
optimization.
ACS Omega,
Journal Year:
2022,
Volume and Issue:
7(49), P. 45535 - 45544
Published: Dec. 3, 2022
Microwave-assisted
synthesis
and
spectral
analysis
of
certain
novel
derivatives
3,4-diaminothieno[2,3-b]thiophene-2,5-dicarbonitrile
1-7
were
carried
out.
Compounds
examined
for
cytotoxicity
against
MCF-7
A549
cell
lines
using
the
quantitative
MTT
method,
gefitinib
erlotinib
used
as
reference
standards.
shown
to
be
more
active
than
two
tested.
Compound
2
outperformed
regular
by
4.42-
4.12-fold
in
cells,
respectively.
The
most
cytotoxic
compounds
subsequently
studied
their
suppression
kinase
activity
homogeneous
time-resolved
fluorescence
assay
versus
epidermal
growth
factor
receptor
(EGFRWT)
EGFR790M.
With
IC50
values
0.28
±
0.03
5.02
0.19,
compound
was
demonstrated
effective
both
forms
EGFR.
Furthermore,
also
had
best
antioxidant
property,
decreasing
radical
scavenging
78%.
Molecular
docking
research,
on
other
hand,
out
analyzed
candidates
(1-7)
study
mechanism
action
EGFR
inhibitors.
In
silico
absorption,
distribution,
metabolism,
excretion,
toxicity
tests
performed
explain
physicochemical
features
derivatives.
Journal of Enzyme Inhibition and Medicinal Chemistry,
Journal Year:
2024,
Volume and Issue:
39(1)
Published: March 15, 2024
In
this
article,
a
new
series
of
2-((3,5-disubstituted-2-thioxo-imidazol-1-yl)imino)acenaphthylen-1(2H)-ones
were
synthesized.
Imidazole-2-thione
with
acenaphthylen-one
gave
hybrid
scaffold
that
integrated
key
structural
elements
essential
for
DNA
damage
via
direct
intercalation
and
inhibition
the
topoisomerase
II
enzyme.
All
synthesized
compounds
screened
to
detect
their
using
terbium
fluorescent
probe.
Results
demonstrated
4-phenyl-imidazoles
5b
5e
in
addition
4-(4-chlorophenyl)imidazoles
5h
5j
would
induce
detectable
potent
ctDNA.
The
four
most
as
intercalators
further
evaluated
antiproliferative
activity
against
HepG2,
MCF-7
HCT-116
utilizing
MTT
assay.
highest
anticancer
was
recorded
breast
cancer
cell
line
which
1.5-
3-
folds
more
active
than
doxorubicin,
respectively.
Therefore,
imidazole-2-thione
tethered
acenaphthylenone
derivatives
can
be
considered
promising
development
effective
dual
inhibitors.