ChemistrySelect,
Journal Year:
2021,
Volume and Issue:
6(40), P. 11137 - 11143
Published: Oct. 26, 2021
Abstract
Recently,
as
a
drug
target
in
cancer
treatment,
the
superfamily
of
glutathione
S‐transferase
(GSTs,
EC
2.5.1.18)
have
been
invited
considerable
interest
by
scientists.
In
particular,
they
are
overexpressed
many
human
cell
lines,
GSTs
can
catalyze
conjugation
cellular
nucleophile
(GSH)
with
wide
range
electrophilic
carcinogens
toxins
and
drugs,
meanwhile
producing
oxidative
stress.
For
this
purpose,
GST
was
purified
GSH‐agarose
affinity
chromatography,
some
calcium
channel
blockers
(CCBs),
such
amlodipine,
cinnarizine,
isradipine,
nifedipine,
nilvadipine,
were
assessed
for
their
inhibitory
actions
against
GST.
The
CCBs
demonstrated
micromolar
levels
activity
towards
(
K
I
s
spanning
within
98.84±0.53
μM–502.70±2.53
μM
range).
best
observed
isradipine.
Additionally,
molecular
docking
study
performed
competitive
inhibitor
nilvadipine
on
to
describe
possible
interaction
active
site
confirm
activity.
Chemistry & Biodiversity,
Journal Year:
2022,
Volume and Issue:
19(8)
Published: July 7, 2022
Abstract
In
the
current
study,
some
phenolic
compounds,
including
acteoside,
isoacteoside,
echinacoside,
and
arenarioside
purified
characterized
from
Plantago
subulata
.
These
compounds
were
tested
for
its
antioxidant
potential,
Fe
3+
Cu
2+
reductive
ability
chelating
effects.
The
inhibitory
effects
of
isolated
towards
human
carbonic
anhydrase
I
II
isoenzymes
(hCA
hCA
II),
butyrylcholinesterase
(BChE)
acetylcholinesterase
(AChE),
aldose
reductase
(AR)
α‐glycosidase
(α‐gly).
K
i
values
found
these
in
range
0.24±0.05–1.38±0.34
μM
against
I,
0.194±0.018–1.03±0.06
II,
0.043±0.01–0.154±0.02
AChE,
3.92±1.08–11.93±4.45
BChE,
0.082±0.0008–1.68±0.42
AR,
6.93±2.74–17.17±6.70
α‐glycosidase.
As
a
result,
displayed
inhibition
studied
all
metabolic
enzymes.
They
are
promising
candidates
treating
disorders
like
Alzheimer's
disease,
diabetes
mellitus,
glaucoma,
leukemia,
epilepsy.
Archiv der Pharmazie,
Journal Year:
2022,
Volume and Issue:
356(4)
Published: Dec. 27, 2022
New
Schiff
base-bearing
thiosemicarbazones
(1-13)
were
obtained
from
4-hydroxy-3,5-dimethoxy
benzaldehyde
and
various
isocyanates.
The
structures
of
the
synthesized
molecules
elucidated
in
detail.
Density
functional
theory
calculations
also
performed
to
determine
spectroscopic
properties
compounds.
Moreover,
enzyme
inhibition
activities
these
compounds
investigated.
They
showed
highly
potent
effects
on
acetylcholinesterase
(AChE)
human
carbonic
anhydrases
(hCAs)
(KI
values
are
range
51.11
±
6.01
278.10
40.55
nM,
60.32
9.78
300.00
77.41
64.21
9.99
307.70
61.35
nM
for
AChE,
hCA
I,
II,
respectively).
In
addition,
molecular
docking
studies
performed,
confirmed
by
binding
affinities
most
derivatives.
Drug Development Research,
Journal Year:
2023,
Volume and Issue:
84(2), P. 275 - 295
Published: Jan. 4, 2023
Abstract
Aldose
reductase
(AR)
is
a
crucial
enzyme
of
the
polyol
pathway
through
which
glucose
metabolized
under
conditions
hyperglycemia
related
to
diabetes.
A
series
novel
acetic
acid
derivatives
containing
quinazolin‐4(3
H
)‐one
ring
(
1–22
)
was
synthesized
and
tested
for
in
vitro
AR
inhibitory
effect.
All
target
compounds
exhibited
nanomolar
activity
against
enzyme,
all
displayed
higher
as
compared
reference
drug
epalrestat.
Among
them,
Compound
19
,
named
2‐(4‐[(2‐[(4‐methylpiperazin‐1‐yl)methyl]‐4‐oxoquinazolin‐3(4
)‐ylimino)methyl]phenoxy)acetic
acid,
strongest
effect
with
K
I
value
61.20
±
10.18
nM.
Additionally,
these
were
investigated
L929,
nontumoral
fibroblast
cells,
MCF‐7,
breast
cancer
cells
using
MTT
assay.
Compounds
16
showed
lower
toxicity
normal
L929
cells.
The
compounds’
absorption,
distribution,
metabolism,
excretion
properties
also
evaluated.
Molecular
docking
simulations
used
look
into
possible
binding
mechanisms
inhibitors
AR.
Drug Design Development and Therapy,
Journal Year:
2023,
Volume and Issue:
Volume 17, P. 2107 - 2118
Published: July 1, 2023
Diabetic
nephropathy
(DN),
as
a
chronic
inflammatory
complication
of
diabetes,
is
characterized
by
hyperglycemia,
albuminuria
and
edema,
which
ultimately
becomes
the
leading
cause
end-stage
renal
disease
(ESRD).
Astragalus
polysaccharide
(APS),
extracted
from
membranaceus,
was
widely
used
in
treatment
diabetes
mellitus.
However,
functional
roles
APS
ameliorate
responses
DN,
remain
poorly
understood.
Therefore,
purpose
this
study
to
explore
molecular
mechanism
on
DN
vivo
vitro
models.
We
explored
beneficial
effects
streptozotocin
(STZ)-induced
rat
model
high
glucose
(HG)-treated
glomerular
podocyte
model.
The
fasting
blood
(FBG)
ratio
kidney
weight
body
were
measured
after
4
weeks
treatment.
injury
parameters
containing
serum
creatinine
(Scr),
urea
nitrogen
(BUN)
24
h
urinary
protein
evaluated.
pathological
examination
observed
hematoxylin-eosin
(HE)
staining.
levels
IL-1β,
IL-6
MCP-1
evaluated
ELISA
assay.
proliferation
podocytes
determined
using
CCK-8
assay
flow
cytometry.
qRT-PCR
Western
blot
analysis
performed
determine
amounts
TLR4/NF-κB-related
gene
expression.
Our
results
indicated
that
effectively
decreased
FBG,
BUN,
Scr
damage
when
compared
with
STZ-induced
group.
Additionally,
significantly
ameliorated
reducing
cytokines
IL-6,
expression
inhibiting
TLR4/NF-κB
pathway
activity
rats.
Consistent
vitro,
HG-induced
response
also
alleviated
through
administration.
found
injury,
mechanisms
perhaps
related
relieving
attenuating
signaling
pathway.
Drug Development Research,
Journal Year:
2021,
Volume and Issue:
unknown
Published: Sept. 28, 2021
A
series
of
novel
sulfonates
containing
quinazolin-4(3H)-one
ring
derivatives
was
designed
to
inhibit
aldose
reductase
(ALR2,
EC
1.1.1.21).
Novel
quinazolinone
(1-21)
were
synthesized
from
the
reaction
sulfonated
aldehydes
with
3-amino-2-alkylquinazolin-4(3H)-ones
in
glacial
acetic
acid
good
yields
(85%-94%).
The
structures
molecules
characterized
using
IR,
1
H-NMR,
13
C-NMR,
and
HRMS.
All
quinazolinones
demonstrated
nanomolar
levels
inhibitory
activity
against
ALR2
(KI
s
are
range
101.50-2066.00
nM).
Besides,
4-[(2-isopropyl-4-oxoquinazolin-3[4H]-ylimino)methyl]phenyl
benzenesulfonate
(15)
showed
higher
inhibitor
inhibited
up
7.7-fold
compared
epalrestat,
a
standard
inhibitor.
Binding
interactions
between
have
been
investigated
Schrödinger
Small-Molecule
Drug
Discovery
Suite
2021-1,
reported
possible
inhibitor-ALR2
interactions.
Both
vitro
silico
study
results
suggest
that
these
require
further
molecular
modification
improve
their
drug
nominee
potency
as
an
ChemistrySelect,
Journal Year:
2021,
Volume and Issue:
6(43), P. 11915 - 11924
Published: Nov. 16, 2021
Abstract
Glutathione
S‐transferases
(EC
2.5.1.18,
GSTs),
consisting
of
at
least
seven
subfamilies,
such
as
alpha,
kappa,
mu,
pi,
theta,
zeta,
and
omega,
are
the
family
cytosolic
proteins
with
many
known
functions
also
abundant
in
cells.
Moreover,
they
play
significant
roles
influencing
efficacy
bioavailability
pharmaceutical
agents
humans.
It
is
that
multiple
types
cancer
tissue
frequently
have
high
levels
GSTs
compared
to
corresponding
healthy
tissue.
Herein,
firstly,
GST
was
purified
from
human
erythrocytes
by
rapid
straightforward
chromatographic
techniques.
Subsequently,
active
infection
medications,
antimycotics
(amphotericin
B,
anidulafungin,
caspofungin),
antibacterials
(daptomycin,
ertapenem,
tigecycline),
antiviral
(ganciclovir)
were
assessed
for
their
inhibitory
actions
versus
GST.
All
drugs
demonstrated
micromolar
potent
activity
towards
Antifungal
had
K
I
constants
ranging
between
20.60±0.05
μM
50.43±0.12
μM,
whilst
antibacterial
exhibited
KIs
range
20.92±0.09–114.80±0.41
μM.
Daptomycin
ertapenem
competitive
inhibition,
while
other
noncompetitive
inhibition.
amphotericin
B
most
(
=20.60±0.05
μM),
contrast,
drug
ganciclovir
highest
inhibition
constant
=463.10±1.28
μM).
Studying
both
in‐vitro
molecular
docking
interactions
silico
activities
these
medications
complex
GST,
an
enzyme
biologically
important,
demonstrates
caused
associations
detected.
The
results
here
might
provide
structural
guidance
design
more
inhibitors.
Journal of Molecular Recognition,
Journal Year:
2022,
Volume and Issue:
35(12)
Published: Sept. 8, 2022
Aldose
reductase
(AR,
AKR1B1;
EC
1.1.1.21)
is
an
aldo-keto
that
has
been
widely
investigated
as
enzyme
crucially
involved
in
the
pathogenesis
of
several
chronic
complications,
including
nephropathy,
neuropathy,
retinopathy,
and
cataracts
associated
with
diabetes
mellitus.
Although
sulfonamides
have
reported
to
possess
many
other
biological
activities,
continuation
our
interest
designing
discovering
potent
inhibitors
AR,
herein,
we
evaluated
AR
inhibitory
potential
N-substituted
phthalazine
sulfonamide
derivatives
5a-l.
The
studies
revealed
all
show
excellent
activity
against
KI
constants
ranging
from
67.73
495.20
nM.
Among
these
agents,
4-(6-nitro-1,4-dioxo-1,2,3,4-tetrahydrophthalazine-2-carbonyl)benzenesulfonamide
(5e)
1,4-dioxo-3-(4-sulfamoylbenzoyl)-1,2,3,4-tetrahydrophthalazine-6-carboxylic
acid
(5f)
showed
prominent
values
148.20
nM,
respectively,
vs
were
found
be
more
than
epalrestat
(KI
=
852.50
nM),
only
inhibitor
currently
used
therapy.
Moreover,
molecular
docking
also
performed
rationalize
binding
site
interactions
(5a-l)
target
AR.
According
ADME-Tox,
predicts
determined
ARIs
displaying
suitable
drug-like
properties.
identified
this
study
may
develop
lead
therapeutic
agents
inhibiting
diabetic
complications.