ACS Omega,
Год журнала:
2024,
Номер
9(36), С. 38262 - 38271
Опубликована: Авг. 29, 2024
A
facile,
green,
one-pot
multicomponent
synthesis
strategy
was
employed
to
fabricate
novel
thiazole
scaffolds
incorporating
phthalazine,
pyridazine,
and
pyrido-pyridazine
derivatives
(4a–4o).
This
synthetic
route
entailed
the
reaction
of
an
α-halo
carbonyl
compound
(1)
with
thiosemicarbazide
(2)
various
anhydrides
(3a–3o),
utilizing
NiFe2O4
nanoparticles
as
a
reusable
catalyst
in
ethanol:water
(1:1)
solvent
system.
The
cytotoxicity
synthesized
compounds
meticulously
assessed
against
three
cancer
cell
lines,
A375,
HeLa,
MCF-7,
employing
IC50
values
(μM)
benchmark,
compared
reference
drug
erlotinib.
Compound
4n
displayed
remarkable
efficacy
A375
(0.87
±
0.31
μM),
HeLa
(1.38
1.24
MCF-7
(1.13
0.96
μM)
significantly
surpassing
erlotinib's
values.
Additionally,
4k,
4l,
4m,
4o
demonstrated
notable
across
all
tested
indicating
their
potential
effective
anticancer
agents.
In
silico
docking
studies
Hsp82
Hsp90
proteins
indicated
that
ligands
4c,
4j,
4o,
4l
had
superior
binding
affinities
ADME
analysis
showed
4n,
favorable
pharmacokinetic
profiles,
including
nontoxicity,
high
human
intestinal
absorption,
low
CYP
inhibitory
promiscuity.
Structure–activity
relationship
revealed
cyano
benzylidene
substitutions
enhanced
activity.
Overall,
compounds,
particularly
efficacy,
interactions,
promising
making
them
strong
candidates
for
further
development
International Journal of Molecular Sciences,
Год журнала:
2025,
Номер
26(2), С. 863 - 863
Опубликована: Янв. 20, 2025
The
present
study
aims
to
create
spiro-N-(4-sulfamoyl-phenyl)-1,3,4-thiadiazole-2-carboxamide
derivatives
with
anticancer
activities.
in
vitro
evaluation
showed
that
only
the
novel
spiro-acenaphthylene
tethered-[1,3,4]-thiadiazole
(compound
1)
exhibited
significant
efficacy
as
a
selective
inhibitor
of
tumor-associated
isoforms
carbonic
anhydrase.
Compound
1
demonstrated
considerable
against
renal
RXF393,
colon
HT29,
and
melanoma
LOX
IMVI
cancer
cell
lines,
IC50
values
7.01
±
0.39,
24.3
1.29,
9.55
0.51
µM,
respectively.
In
comparison,
doxorubicin
13.54
0.82,
13.50
0.71,
6.08
0.32
µM
for
corresponding
lines.
Importantly,
compound
lower
toxicity
normal
WI
38
line
than
doxorubicin,
46.20
2.59
18.13
0.93
respectively,
indicating
greater
selectivity
target
compared
standard
agent
doxorubicin.
Also,
mechanistic
experiments
exhibits
inhibitory
activity
human
anhydrase
hCA
IX
XII,
0.477
0.03
1.933
0.11
μM,
enhanced
cancer-associated
over
cytosolic
I
II,
7.353
0.36
12.560
0.74
Cell
cycle
studies
revealed
caused
G1
phase
arrest
RXF393
cells,
apoptosis
verified
substantial
induction
levels
early
late
apoptosis,
well
necrosis
(11.69%,
19.78%,
3.66%,
respectively),
comparable
those
induced
by
conventional
cytotoxic
at
9.91%,
23.37%,
6.16%,
Molecular
docking
confirmed
strong
binding
affinity
active
sites
highlighting
interactions
zinc-binding
groups
hydrophobic
residues.
These
findings
underscore
compound’s
potential
viable
via
targeting
CA.
Naunyn-Schmiedeberg s Archives of Pharmacology,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 7, 2025
Abstract
This
research
investigated
the
hepatoprotective
effects
of
esomeprazole
(ESOM)
and
canagliflozin
(CANA)
against
methotrexate-induced
liver
toxicity,
focusing
on
AMPK
modulation
its
regulation
MAPK/JNK/ERK,
JAK1/STAT3,
PI3K/Akt
pathways.
Fifty
male
Wistar
rats
were
divided
into
five
groups:
control,
MTX,
three
pretreatment
groups
receiving
ESOM
(30
mg/kg),
CANA
or
their
combination.
administered
for
8
days
before
1
day
after
a
single
MTX
injection
(20
mg/kg,
intraperitoneally)
9
to
induce
hepatotoxicity.
Liver
injury,
oxidative
stress,
inflammation,
apoptosis
assessed
using
biochemical,
histopathological,
immunohistochemical,
qRT-PCR,
western
blot
analyses.
Data
analyzed
by
one-way
analysis
variance
(ANOVA)
Tukey’s
post
hoc
test,
with
significance
at
p
<
0.05.
Results
presented
as
mean
±
standard
error
(SE).
Rats
that
received
showed
significant
damage,
marked
elevated
ALT,
AST,
MDA,
MPO,
iNOS,
TNF-α,
IL-6,
IL-1β
levels
(
0.01)
decreased
antioxidant
enzymes
(HO-1,
Nrf2,
GSH).
Immunohistochemistry
revealed
increased
NF-kB
p65
caspase-9
expression
0.01),
correlating
histopathological
changes.
Pretreatment
reduced
enzyme
levels,
improved
histology,
restored
balance,
inhibited
inflammatory
pathways
via
p38MAPK/NF-kB
JAK1/STAT3
0.01).
Moreover,
preserved
activity
prevented
caspase-dependent
Additionally,
combination
treatment
synergistic
effects,
demonstrated
improvements
in
all
measured
parameters.
These
findings
suggested
had
potential
therapeutic
agents
alleviating
MTX-induced
hepatotoxicity
warranted
further
investigation
future
research.
Archiv der Pharmazie,
Год журнала:
2025,
Номер
358(3)
Опубликована: Март 1, 2025
Abstract
New
s
‐triazine
hydrazone
hybrids
(
4a
–
4r
)
were
designed
and
synthesized
as
promising
microbial
DNA
gyrase
inhibitors.
This
was
done
by
taking
the
lead
inhibitor
(AstraZeneca
arylaminotriazine)
a
reference.
The
novel
samples
subsequently
tested
antimicrobial
agents
against
certain
pathogenic
bacteria
unicellular
fungi.
antibiofilm
potential
membrane
leakage
test
used
to
determine
mechanism
of
response.
minimum
inhibitory
concentration
(MIC)
values
4g
,
4i
between
62.5
250.0
µg/mL.
MIC
for
candidate
Staphylococcus
aureus,
Candida
albicans,
Enterobacter
agglomerans
Klebsiella
pneumonia
are
62.5,
125.0,
µg/mL,
respectively.
Conversely,
compound
µg/mL
C.
albicans
E.
125.0
S.
aureus
K.
.
Besides,
molecular
docking
study
performed
validate
both
binding
affinity
mode
newly
analogs
candidates
toward
bacterial
receptors.
nanocomposites
had
potentials,
which
encouraging
their
use
in
biomedical
applications.
Consequently,
afforded
compounds
can
be
employed
future
optimization.
Naunyn-Schmiedeberg s Archives of Pharmacology,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 18, 2025
Abstract
Although
gemcitabine
is
a
primary
chemotherapy
for
pancreatic
cancer,
its
effectiveness
limited
by
chemoresistance
and
nephrotoxicity,
posing
significant
clinical
challenges.
Therefore,
the
development
of
novel
therapeutic
approaches
to
prevent
malignancy
remains
crucial.
This
study
aimed
investigate
potential
melatonin
in
enhancing
gemcitabine’s
anticancer
efficacy
while
mitigating
nephrotoxic
effects
through
modulation
Keap1/p62
pathway.
A
cancer
xenograft
model
was
established
rats,
which
received
either
(50
mg/kg,
I.P.),
or
their
combination
three
times
per
week
2
weeks.
Our
findings
demonstrate
that
potentiates
cancer-suppressing
via
Kelch-like-ECH
associated
protein-1
(Keap1)/p62
pathway,
resulting
reduced
fibrosis,
oxidative
stress,
inflammatory
markers.
Additionally,
significantly
mitigated
gemcitabine-induced
nephrotoxicity.
These
results
suggest
may
serve
as
an
adjuvant
therapy
treatment,
reducing
adverse
effects.
Journal of Medicinal Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 16, 2025
This
study
investigates
new
anticonvulsant
substances
that
target
the
epilepsy-associated
carbonic
anhydrase
isoforms
II
and
VII.
The
1,2,3-triazole
with
a
benzenesulfonamide
motif
is
present
in
produced
molecules.
Of
these,
5b
5c
exhibited
remarkable
selectivity
inhibitory
efficacy
toward
hCA
VII
over
I.
KI
values
of
were
6.3
10.1
nM,
respectively,
21.6
18.9
respectively.
In
pilocarpine-induced
paradigm,
vivo
assessments
showed
decreased
seizure
severity
susceptibility
delayed
onset
diminished
intensity.
quick
absorption
stability
demonstrated
by
pharmacokinetic
investigations.
Evaluations
toxicity
no
neurotoxic
effects
high
safety
margin
(LD50
>
2000
mg/kg).
Mechanistic
research
has
shown
effectiveness
maintaining
neuronal
integrity,
reducing
mTOR
activation,
raising
hippocampus
KCC2
levels.
Compound
5b's
binding
interactions
clarified
docking
dynamics
experiments.