Chemistry & Biodiversity,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 21, 2024
Abstract
Globally,
cancer
is
one
of
the
leading
causes
death.
Resistance
to
conventional
medications,
such
as
chemotherapy
and
radiation,
continues
be
a
significant
challenge
in
treatment
despite
availability
numerous
medicines.
Therefore,
highest
priority
hunt
for
new
therapeutic
agents.
Transforming
growth
factor‐beta
pivotal
regulatory
cytokine
that
exerts
influence
over
cellular
processes,
particularly
emphasizing
its
role
facilitating
modulating
cell
proliferation.
TGF‐β
receptor
1,
identified
most
promising
active
site
signaling,
potent
drug
target
has
garnered
wide
attention
developing
anticancer
The
present
investigation
investigates
potential
natural
products
TGFβR1
inhibitors.
SB431542
complexed
protein
model
was
used
screen
product
database
obtain
compound
with
high
binding
potential.
NPC247629
emerged
best‐scored
among
all
screened
compounds,
demonstrating
affinity
towards
regarding
docking
score
−17.54
kcal/mol.
all‐atoms
MD
simulation
study
indicated
proposed
hits
are
retained
inside
dynamic
states.
Additionally,
principal
component
free
energy
landscape
analysis
were
performed
explore
mechanism
top‐hit
products.
best‐screened
hits,
NPC60735,
have
excellent
hold
massive
inhibition,
paving
way
future
investigations
treatment.
Future Medicinal Chemistry,
Journal Year:
2023,
Volume and Issue:
15(14), P. 1233 - 1250
Published: July 1, 2023
Background:
VEGFR-2
is
one
of
the
most
effective
targets
in
cancer
treatment.
Aim:
The
design
and
semi-synthesis
new
theobromine
derivatives
as
potential
inhibitors.
Methods:
In
vitro
silico
evaluation
synthesized
compounds.
Results:
Compound
5b
demonstrated
excellent
antiproliferative
inhibitory
effects
with
significant
apoptotic
activity.
It
modulated
immune
response
by
increasing
IL-2
reducing
TNF-α
levels.
Docking
molecular
dynamics
simulations
revealed
compound’s
binding
affinity
VEGFR-2.
Lastly,
computational
absorption,
distribution,
metabolism,
excretion
toxicity
studies
indicated
high
compound
for
drug
development.
Conclusion:
could
be
a
promising
anticancer
agent
targeting
Heliyon,
Journal Year:
2024,
Volume and Issue:
10(2), P. e24075 - e24075
Published: Jan. 1, 2024
is
a
highly
prevalent
and
aggressive
human
pathogen
causing
wide
range
of
infections.
This
study
aimed
to
explore
the
potential
Patuletin,
rare
natural
flavone,
as
an
anti-virulence
agent
against
PLoS ONE,
Journal Year:
2025,
Volume and Issue:
20(1), P. e0316146 - e0316146
Published: Jan. 27, 2025
This
study
presents
T-1-NBAB
,
a
new
compound
derived
from
the
natural
xanthine
alkaloid
theobromine,
aimed
at
inhibiting
VEGFR-2,
crucial
protein
in
angiogenesis.
’s
potential
to
interacts
with
and
inhibit
VEGFR-2
was
indicated
using
silico
techniques
like
molecular
docking,
MD
simulations,
MM-GBSA,
PLIP,
essential
dynamics,
bi-dimensional
projection
experiments.
DFT
experiments
utilized
also
structural
electrostatic
properties
of
.
Computational
analysis
performed
predict
ADME-Tox
profiles
After
semisynthesis,
vitro
results
showed
that
effectively
inhibits
an
IC
50
0.115
μM,
compared
sorafenib’s
0.0591
μM.
In
tests
demonstrated
significant
activity
against
breast
cancer
cell
lines
MCF7
T47D,
values
16.88
μM
61.17
respectively,
high
selectivity.
Importantly,
induced
early
late
apoptosis
cells,
indicating
its
as
strong
anticancer
agent.
Additionally,
reduced
migration
healing
abilities
suggesting
it
could
be
promising
anti-angiogenic
Overall,
these
findings
suggest
is
lead
for
further
research
treatment
cancer.
ChemistryOpen,
Journal Year:
2023,
Volume and Issue:
12(10)
Published: Oct. 1, 2023
Abstract
A
computer‐assisted
drug
design
(CADD)
approach
was
utilized
to
a
new
acetamido‐
N
‐(para‐fluorophenyl)benzamide)
derivative
of
the
naturally
occurring
alkaloid,
theobromine,
(
T‐1‐APFPB
),
following
pharmacophoric
features
VEGFR‐2
inhibitors.
The
stability
and
reactivity
T‐1‐AFPB
were
assessed
through
density
functional
theory
(DFT)
calculations.
Molecular
docking
assessments
showed
’s
potential
bind
with
inhibit
VEGFR‐2.
precise
binding
against
optimal
energy
further
confirmed
several
molecular
dynamics
(MD)
simulations,
PLIP,
MM‐GBSA,
PCA
studies.
Then,
(4‐(2‐(3,7‐Dimethyl‐2,6‐dioxo‐2,3,6,7‐tetrahydro‐1
H
‐purin‐1‐yl)acetamido)‐
‐(4‐fluorophenyl)benzamide)
semi‐synthesized
in
vitro
assays
its
an
IC
50
value
69
nM
(sorafenib's
56
nM)
growth
HepG2
MCF‐7
cancer
cell
lines
values
2.24±0.02
3.26±0.02
μM,
respectively.
Moreover,
displayed
very
high
selectivity
indices
normal
Vero
lines.
Furthermore,
induced
early
(from
0.72
19.12)
late
0.13
6.37)
apoptosis
In
conclusion,
combined
computational
experimental
approaches
demonstrated
efficacy
safety
providing
it
as
promising
lead
inhibitor
for
development
aiming
at
therapy.
Journal of Biomolecular Structure and Dynamics,
Journal Year:
2023,
Volume and Issue:
42(8), P. 4214 - 4233
Published: June 1, 2023
Vascular
endothelial
cell
proliferation
and
angiogenesis
are
all
crucially
impacted
by
Endothelial
Growth
Factor
Receptor-2
(VEGFR-2).
Its
expression
is
significantly
boosted
throughout
pathologic
causing
the
development
of
tumors.
Sothat,
inhibition
VEGFR-2
has
crucial
role
in
cancer
treatment.
In
this
study,
novel
semisynthetic
theobromine
derivatives
were
rationally
designed
as
inhibitors
subjected
to
vitro
testing
for
their
ability
block
activation.
Furthermore,
antiproliferative
effects
these
evaluated.
Compound
7
g
exhibited
most
potent
anti-VEGFR-2
activity,
with
an
IC50
value
0.072
µM,
demonstrated
excellent
dose-dependent
inhibitory
activity
against
both
MCF-7
HepG2
cells
values
19.35
27.89
respectively.
Notably,
compound
high
selectivity
indices
2.6
1.8
cells,
induced
G2/M
phase
cycle
arrest,
promoted
apoptosis,
immunomodulation
downregulating
TNF-α
upregulating
IL-2
levels
cells.
The
molecular
docking
analysis
revealed
that
could
bind
effectively
active
site
VEGFR-2,
dynamic
simulations
confirmed
stability
VEGFR-2/compound
complex.
ADME
toxicity
profiling
indicated
potential
suitability
compounds
drug
candidates.
summary,
hold
promise
a
inhibitor.Communicated
Ramaswamy
H.
Sarma
ACS Omega,
Journal Year:
2024,
Volume and Issue:
9(14), P. 15861 - 15881
Published: March 27, 2024
Aim:
The
aim
of
this
study
was
to
design
and
examine
a
novel
epidermal
growth
factor
receptor
(EGFR)
inhibitor
with
apoptotic
properties
by
utilizing
the
essential
structural
characteristics
existing
EGFR
inhibitors
as
foundation.
Method:
began
natural
alkaloid
theobromine
developed
new
semisynthetic
derivative
(T-1-PMPA).
Computational
ADMET
assessments
were
conducted
first
evaluate
its
anticipated
safety
general
drug-likeness.
Deep
density
functional
theory
(DFT)
computations
initially
performed
validate
three-dimensional
(3D)
structure
reactivity
T-1-PMPA.
Molecular
docking
against
proteins
investigate
T-1-PMPA's
binding
affinity
inhibitory
potential.
Additional
molecular
dynamics
(MD)
simulations
over
200
ns
along
MM-GPSA,
PLIP,
principal
component
analysis
trajectories
(PCAT)
experiments
employed
verify
Afterward,
T-1-PMPA
semisynthesized
proposed
in
silico
findings
through
several
vitro
examinations.
Results:
DFT
studies
indicated
using
electrostatic
potential,
global
reactive
indices,
total
states.
docking,
MD
simulations,
ED
suggested
protein.
predicted
In
demonstrated
that
effectively
inhibited
EGFRWT
EGFR790m,
IC50
values
86
561
nM,
respectively,
compared
Erlotinib
(31
456
nM).
also
showed
significant
suppression
proliferation
HepG2
MCF7
malignant
cell
lines,
3.51
4.13
μM,
respectively.
selectivity
indices
two
cancer
lines
overall
Flow
cytometry
confirmed
effects
increasing
percentage
apoptosis
42%
31,
3%
Erlotinib-treated
control
cells,
qRT-PCR
further
supported
revealing
increases
levels
Casp3
Casp9.
Additionally,
controlled
TNFα
IL2
74
50%,
comparing
Erlotinib's
(84
74%),
Conclusion:
conclusion,
our
study's
suggest
potential
promising
anticancer
lead
compound
targeting
EGFR.
Journal of Biomolecular Structure and Dynamics,
Journal Year:
2023,
Volume and Issue:
42(6), P. 3145 - 3165
Published: May 25, 2023
A
new
and
highly
efficient
visible-light-promoted
catalyst
free
(VLCF)
strategy
for
neat
clean
synthesis
of
spiro
indolo-quinazolinone-pyrrolo[3,4-a]pyrrolizine
hybrids
(6a–d)
has
been
introduced.
We
have
performed
visible-light
triggered
1,3-Dipolar
cycloaddition
reaction
maleimide
(5a–d)
with
azomethine
ylide
generated
in
situ
derived
from
tryptanthrin
(3)
L-proline
(4)
to
obtain
desired
products
good
excellent
yield.
Authentication
characterization
product
was
done
using
various
spectroscopic
techniques
such
as
IR,
1H
NMR,
13C
Mass
spectrometry
single
crystal
XRD
analysis.
To
explain
the
spontaneity,
stability,
reactivity
well
possible
mode
interaction
a
quantum
chemical
investigation
depicted
through
DFT
studies.
The
synthesized
compound
6a
also
evaluated
anti-proliferative
activity
against
panel
five
cancer
cell
lines
(MCF-7,
MDA-MB-231,
HeLa,
PC-3
Ishikawa)
normal
human
embryonic
kidney
(HEK-293)
line
by
MTT
assay.
Compound
showed
very
vitro
(IC50
=
6.58–17.98
μM)
four
no
cytotoxicity
HEK-293.
In
order
evaluate
anticancer
potential
compounds
6a-d,
molecular
docking
wild
type
mutant
EGFR.
results
suggest
that
all
occupied
active
site
both
enzymes,
strong
binding
energy
(−10.2
−11.5
kcal/mol).
These
confirmed
dynamics
simulation
evaluating
root
mean
square
deviation
(RMSD)
fluctuation
(RMSF),
along
principal
component
analysis
(PCA).Communicated
Ramaswamy
H.
Sarma
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Nov. 3, 2024
A
novel
series
of
4-aminopiperidin-3,4-dihyroquinazoline-2-uracil
derivatives
(9a-9
L)
were
logically
designed
and
synthesized
as
potent
DPP4
inhibitors
antidiabetic
agents.
Chemical
structure
all
new
compounds
confirmed
by
different
spectroscopic
methods.
The
evaluated
using
a
MAK
203
kit
in
comparison
with
Sitagliptin.
biological
evaluation
revealed
that
compound
9i
bearing
chloro
substitution
on
phenyl
moiety
6-bromo
quinazoline
ring
had
promising
inhibitory
activity
IC50
=
9.25
±
0.57
µM.
toxicity
test
safety
profile
them.
Kinetic
studies
showed
exhibited
competitive-type
inhibition
Ki
value
12.01
Computational
approach
supported
the
rationality
our
design
strategy,
represented
appropriate
binding
interactions
active
sites
target.
MD
simulation
outputs
validated
stability
ligand
at
site.
Also,
Density
functional
theory
(DFT)
including
HOMO-LUMO
energies,
ESP
map,
thermochemical
parameters,
theoretical
IR
spectrum
was
employed
to
study
reactivity
descriptors
9a
most
least
respectively.
Based
DFT
study,
softer
and,
result,
more
reactive
than
9a.
Taken
together,
results
potential
candidates
for
developing
some
managing
type
2
diabetes.