International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
25(1), P. 8 - 8
Published: Dec. 19, 2023
Four
copper(II)
complexes,
C1–4,
derived
from
1-(isoquinolin-3-yl)heteroalkyl-2-one
ligands
L1–4
were
synthesized
and
characterized
using
an
elemental
analysis,
IR
spectroscopic
data
as
well
single
crystal
X-ray
diffraction
for
complex
C1.
The
stability
of
complexes
C1–4
under
conditions
mimicking
the
physiological
environment
was
estimated
UV-Vis
spectrophotometry.
antiproliferative
activity
both
compounds
evaluated
MTT
assay
on
four
human
cancer
cell
lines,
A375
(melanoma),
HepG2
(hepatoma),
LS-180
(colon
cancer)
T98G
(glioblastoma),
a
non-cancerous
line,
CCD-1059Sk
(human
normal
skin
fibroblasts).
Complexes
showed
greater
potency
against
HepG2,
LS180
lines
than
etoposide
(IC50
=
5.04–14.89
μg/mL
vs.
IC50
43.21–>100
μg/mL),
while
free
remained
inactive
in
all
lines.
prominent
compound
C2
appeared
to
be
more
selective
towards
cells
compared
with
C1,
C3
C4.
treatment
resulted
sub-G1
G2/M
cycle
arrest,
respectively,
which
accompanied
by
DNA
degradation.
Moreover,
non-cytotoxic
doses
synergistically
enhanced
cytotoxic
effects
chemotherapeutic
drugs,
including
etoposide,
5-fluorouracil
temozolomide,
cells.
antimicrobial
activities
L2–4
their
C2–4
different
types
Gram-positive
bacteria,
Gram-negative
bacteria
yeast
species.
No
correlation
found
between
results
experiments.
antioxidant
determined
DPPH
ABTS
radical
scavenging
methods.
Antiradical
tests
revealed
that
among
investigated
compounds,
C4
possessed
strongest
properties.
Finally,
ADME
technique
used
determine
physicochemical
drug-likeness
properties
obtained
complexes.
Journal of Materials Chemistry B,
Journal Year:
2025,
Volume and Issue:
13(10), P. 3245 - 3269
Published: Jan. 1, 2025
This
review
discusses
ROS-responsive
nanoparticles
in
IBD
therapy,
highlighting
challenges,
solutions,
and
the
“layered
programmable
delivery”
strategy
for
enhanced
drug
delivery
localized
treatment.
Applied Organometallic Chemistry,
Journal Year:
2025,
Volume and Issue:
39(3)
Published: Feb. 11, 2025
ABSTRACT
Quinolines
obtained
from
native
trees
of
South
and
Central
America,
the
genus
Cinchona
,
have
been
used
since
17th
century
for
treatment
malaria.
However,
it
was
only
in
1820
that
quinine
had
its
structure
elucidated,
subsequently,
during
20th
century,
several
synthetic
derivatives
were
produced
with
superior
activities.
In
parallel,
search
synthesis
metal
complex
compounds
malaria
dates
1994,
development
ferroquine,
an
iron
derived
chloroquine,
developed
by
Biot
collaborators
at
Lille
University.
After,
there
are
complexes
synthesized
various
metals,
such
as
ruthenium,
gold,
iridium,
platinum,
over
last
30
years,
which
aims
this
review.
This
review
identified
84
quinoline–metal
reported
across
25
studies,
gold
(Complex
63)
showing
significant
potency
against
FcBI
strain
(IC
50
10
nM),
outperforming
chloroquine
(CQ,
indicating
coordination
enhances
drug's
action.
The
ruthenium
03)
exhibited
activity
PFB
but
less
effective
than
CQ
22.5
vs.
8.2
nM).
Other
complexes,
Au(III)
61),
Ir(I)
52),
Ir(II)
50),
also
demonstrated
promising
results
varying
effectiveness
different
strains.
Structural
features,
including
linear
geometry
Au(I)
square
planar
or
piano
stool
geometries
Ru(II)
Ir
play
crucial
roles
influencing
their
biological
activity.
These
findings
highlight
potential
improving
antimalarial
efficacy.
ChemPhysChem,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 4, 2025
Halogens
are
usually
involved
in
numerous
anticancer
drugs
and
play
an
important
role
activity.
Taking
the
IMeAuCl,
a
potent
drug
as
example,
substituent
effect
of
superhalogens
X@B12N12
(X=F,
Cl,
Br)
on
structures,
electronic
properties,
chemical
reactivity
with
biomolecular
targets
this
metallodrug
has
been
investigated.
Substituting
for
Cl
atom
IMeAuCl
results
polar
covalent
bonds
between
Au
N
atoms
resulting
Au-X
derivatives.
The
introduction
enhances
polarity
solubility
Au-X,
which
enables
them
to
directly
react
biological
target
molecules
without
undergoing
hydrolysis.
In
particular,
it
is
found
that
higher
electron
affinity
(EA)
lower
energy
barrier
reaction
molecules,
maybe
benefit
its
high
With
regard
this,
another
complex
Au-BF4
better
activity
also
designed
by
replacing
BF4,
well-known
superhalogen
EA
value
than
X@B12N12.
Thus,
study
provides
new
strategy
improve
antitumor
halogen-containing
from
theoretical
point
view.
Pharmaceutics,
Journal Year:
2025,
Volume and Issue:
17(4), P. 440 - 440
Published: March 29, 2025
Background/Objectives:
The
utilization
of
amphiphilic
Pt(IV)
complexes
as
prodrugs
offers
a
promising
strategy
to
revolutionize
Pt-based
cancer
therapy
by
enhancing
drug
delivery
and
activation.
While
PEGylation
is
widely
used
optimize
properties,
its
impact
on
the
biological
behavior
remains
unclear.
This
study
systematically
investigates
how
varying
molecular
weights
influences
their
cytotoxicity,
cellular
uptake,
Methods:
were
synthesized
with
PEG
chains
different
using
HATU-catalyzed
amide
bond
formation
copper-free
click
chemistry.
Their
properties
assessed
through
cell-based
analyses,
focusing
activation
reductants.
Results:
Small
modifications
retained
potent
cytotoxicity
prodrugs,
whereas
large
significantly
reduced
efficacy.
decrease
in
potency
was
linked
impaired
uptake
mitochondrial
accumulation.
Additionally,
slowed
reduction
reductants,
further
limiting
anticancer
activities.
Conclusions:
These
findings
underscore
critical
role
metallodrug
design
provide
key
insights
into
optimizing
strategies
for
platinum–based
therapies.
Chemistry - An Asian Journal,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 14, 2025
Abstract
Fluorine
and
nonfluorine
substituted
rhenium(I)
metallocycles,
fac
‐[{Re(CO)
3
}
2
(
μ
‐SO
4
)(L1)
]
C1
)
)(L2)
C2
),
respectively,
were
synthesized
using
Re
(CO)
10
,
sodium
bisulfite,
fluorobenzimidazolyl/benzimidazolyl‐based
ditopic
nitrogen‐donor
ligands
(L1/L2),
toluene–acetone
via
coordination‐driven
one‐pot
solvothermal
approach.
The
metallocycles
characterized
elemental
analysis,
ESI‐TOF‐MS,
ATR‐IR,
NMR,
PXRD
methods.
molecular
structures
of
·9(DMSO),
·(toluene)(acetone),
·(toluene)
determined
SCXRD
analysis.
in
vitro
cytotoxicity
study
was
performed
against
cervical
(HeLa)
skin
(B16)
cancer
cells.
Murine
fibroblast
(L929)
mouse
myoblast
(C2C12)
cells
used
as
noncarcinogenic
model
cell
lines
for
biocompatibility
determination.
exhibited
potent
anticancer
activity
both
lines,
showing
greater
efficacy
than
the
commonly
cisplatin.
Moreover,
fluorine‐substituted
metallocycle
significantly
higher
nonfluorinated
metallocycle,
indicating
a
fluorine
effect.
Further,
in‐depth
studies
on
HeLa
showed
elevated
intracellular
ROS
generation,
disruption
mitochondrial
membrane
potential,
antiproliferative
properties.
also
revealed
its
ability
to
bind
with
DNA
induce
changes
cellular
morphology,
thus
leading
damage
death
by
apoptosis.
Molecular
docking
B‐DNA
macromolecule
binding
sites,
affinity,
type
noncovalent
interactions.
Dalton Transactions,
Journal Year:
2024,
Volume and Issue:
53(7), P. 3316 - 3329
Published: Jan. 1, 2024
Cu(
ii
)
flavonoid
complexes
having
phenanthroline
bases
display
significant
visible-light
assisted
cytotoxicity
in
MCF-7
and
A549
cancer
cells
with
low
dark
toxicity
via
ROS
mediated
cell
death.
ChemMedChem,
Journal Year:
2024,
Volume and Issue:
19(14)
Published: April 18, 2024
Hypoxia
is
a
state
characterized
by
low
concentration
of
Oxygen.
Hypoxic
often
found
in
the
central
region
solid
tumors.
associated
with
abnormal
neovascularization
resulted
poor
blood
flow
tissues
and
increased
proliferation
tumor
cells,
imbalance
between
O
ACS Applied Bio Materials,
Journal Year:
2024,
Volume and Issue:
7(7), P. 4795 - 4803
Published: July 3, 2024
Metallic
nanoparticles
are
promising
candidates
for
anticancer
therapies.
Among
the
different
metallic
systems
studied,
copper
is
an
affordable
and
biologically
available
metal
with
a
high
redox
potential.
Copper-based
widely
used
in
studies
owing
to
their
ability
react
intracellular
glutathione
(GSH)
induce
Fenton-like
reaction.
However,
considering
metastatic
potential
versatility
of
tumor
microenvironment,
modalities
single
therapeutic
agent
may
not
be
effective.
Hence,
enhance
efficiency
chemotherapeutic
drugs,
repurposing
them
or
conjugating
other
essential.
Omeprazole
FDA-approved
proton
pump
inhibitor
clinics
treatment
ulcers.
has
also
been
studied
its
sensitize
cancer
cells
chemotherapy
apoptosis.
Herein,
we
report
nanosystem
comprising
encapsulating
omeprazole
(CuOzL)
against
B16
melanoma
cells.
The
developed
nanoformulation
exerted
significant
synergistic
activity
when
compared
either
alone
by
inducing
cell
death
through
excessive
ROS
generation
subsequent
mitochondrial
damage.