Journal of Molecular Medicine,
Journal Year:
2020,
Volume and Issue:
98(10), P. 1431 - 1446
Published: Aug. 15, 2020
Abstract
Acidosis
characterizes
the
microenvironment
of
most
solid
tumors
and
is
considered
a
new
hallmark
cancer.
It
mainly
caused
by
both
“aerobic”
“anaerobic”
glycolysis
differently
adapted
cancer
cells,
with
final
product
lactic
acid
being
responsible
extracellular
acidification.
Many
evidences
underline
role
acidosis
in
tumor
progression.
Among
different
findings,
we
demonstrated
that
acidosis-exposed
cells
are
characterized
an
epithelial-to-mesenchymal
transition
phenotype
high
invasive
ability,
resistance
to
apoptosis,
anchorage-independent
growth,
drug
therapy.
Acidic
melanoma
over-express
SOX2,
which
crucial
for
maintenance
their
oxidative
metabolism,
carbonic
anhydrase
IX,
correlates
poor
prognosis
patients.
Considering
these
evidences,
realized
profile
outlined
inevitably
remind
us
stemness
profile.
Therefore,
wondered
whether
might
induce
acquisition
stem-like
properties
contribute
expansion
stem
cell
sub-population.
We
found
chronic
adaptation
stimulates
expression
stem-related
markers,
also
providing
vitro/in
vivo
clonogenic
trans-differentiating
ability.
Moreover,
observed
acidosis-induced
was
reversible
related
EMT
induction.
These
findings
help
characterize
further
aspect
niche,
contributing
sustainment
subpopulation.
Thus,
usage
agents
controlling
acquire
great
importance
clinic
treatment
aggressive
tumor.
Key
messages
•
Extracellular
up-regulates
markers
medium
vitro
self-renewal
capacity
Chronic
induces
trans-differentiation
ability
Melanoma
show
higher
tumor-initiating
potential
than
control
promotes
prostate
colorectal
carcinoma
Cancers,
Journal Year:
2022,
Volume and Issue:
14(14), P. 3297 - 3297
Published: July 6, 2022
Carbonic
Anhydrase
IX
(CAIX)
is
a
major
metabolic
effector
of
tumor
hypoxia
and
regulates
intra-
extracellular
pH
acidosis.
Significant
advances
have
been
made
recently
in
the
development
therapeutic
targeting
CAIX.
These
approaches
include
antibody-based
immunotherapy,
as
well
use
antibodies
to
deliver
toxic
radioactive
payloads.
In
addition,
large
number
small
molecule
inhibitors
which
inhibit
enzymatic
activity
CAIX
described.
this
commentary,
we
highlight
current
status
strategies
both
pre-clinical
clinical
space,
discuss
future
perspectives
that
leverage
inhibition
combination
with
additional
targeted
therapies
enable
effective,
durable
for
cancer
therapy.
Journal of Enzyme Inhibition and Medicinal Chemistry,
Journal Year:
2022,
Volume and Issue:
37(1), P. 1278 - 1298
Published: May 4, 2022
Carbonic
anhydrases
IX
and
CAXII
(CAIX/CAXII)
are
transmembrane
zinc
metalloproteins
that
catalyze
a
very
basic
but
crucial
physiological
reaction:
the
conversion
of
carbon
dioxide
into
bicarbonate
with
release
proton.
CA,
especially
CAIX
isoforms
gained
attention
many
researchers
interested
in
anticancer
drug
design
due
to
pivotal
functions
enzymes
cancer
cell
metastasis
response
hypoxia,
their
expression
restricted
malignant
cells.
This
offers
an
opportunity
develop
new
targeted
therapies
fewer
side
effects.
Continuous
efforts
led
discovery
series
diverse
compounds
most
abundant
sulphonamide
derivatives.
Here
we
review
current
knowledge
considering
small
molecule
antibody-based
targeting
CAIX/CAXII
cancer.
Molecular Therapy — Oncolytics,
Journal Year:
2022,
Volume and Issue:
24, P. 400 - 416
Published: Jan. 10, 2022
Carborane
is
a
carbon-boron
molecular
cluster
that
can
be
viewed
as
3D
analog
of
benzene.
It
features
special
physical
and
chemical
properties,
thus
has
the
potential
to
serve
new
type
pharmacophore
for
drug
design
discovery.
Based
on
relative
positions
two
cage
carbons,
icosahedral
closo-carboranes
classified
into
three
isomers,
ortho-carborane
(o-carborane,
1,2-C2B10H12),
meta-carborane
(m-carborane,
1,7-C2B10H12),
para-carborane
(p-carborane,
1,12-C2B10H12),
all
them
deboronated
generate
their
nido-
forms.
Cage
compound
carborane
its
derivatives
have
been
demonstrated
useful
entities
in
antitumor
medicinal
chemistry.
The
applications
carboranes
field
research
mainly
include
boron
neutron
capture
therapy
(BNCT),
BNCT/photodynamic
dual
sensitizers,
anticancer
ligands.
This
review
summarizes
progress
achieved
up
October
2021,
with
particular
emphasis
signaling
transduction
pathways,
structures,
mechanistic
considerations
using
carboranes.
Expert Opinion on Drug Discovery,
Journal Year:
2020,
Volume and Issue:
15(6), P. 671 - 686
Published: March 25, 2020
Introduction
The
spacious
active
site
cavity
of
the
metalloenzyme
carbonic
anhydrase
(CA,
EC
4.2.1.1)
shows
a
great
versatility
for
variety
binding
modes
modulators
activity,
inhibitors,
and
activators,
some
which
are
clinically
used
drugs.Areas
covered
There
at
least
four
well-documented
CA
inhibition
mechanisms
same
number
inhibitors
(CAIs),
one
superposes
with
activators
(CAAs).
They
include
(i)
coordination
to
catalytic
metal
ion;
(ii)
anchoring
water
molecule
coordinated
(iii)
occlusion
entrance;
(iv)
outside
site.
A
large
chemical
classes
CAIs
show
these
explored
in
detail
by
kinetic,
crystallographic,
other
techniques.
tail
approach
was
applied
all
them
allowed
many
highly
isoform-selective
inhibitors.
This
is
subject
our
review.Expert
opinion
All
regions
CAs
accommodate
bind,
reflected
very
different
profiles
such
compounds
possibility
design
drugs
effective
action
new
applications,
as
management
hypoxic
tumors,
neuropathic
pain,
cerebral
ischemia,
arthritis,
degenerative
disorders.
Journal of Enzyme Inhibition and Medicinal Chemistry,
Journal Year:
2021,
Volume and Issue:
36(1), P. 561 - 580
Published: Jan. 1, 2021
Inorganic
anions
inhibit
the
metalloenzyme
carbonic
anhydrase
(CA,
EC
4.2.1.1)
generally
by
coordinating
to
active
site
metal
ion.
Cyanate
was
reported
as
a
non-coordinating
CA
inhibitor
but
those
erroneous
results
were
subsequently
corrected
another
group.
We
review
anion
inhibitors
(CAIs)
in
more
general
context
of
drug
design
studies
and
discovery
large
number
classes
inhibition
mechanisms,
including
zinc
binders
(sulphonamides
isosteres,
dithiocabamates
thiols,
selenols,
benzoxaboroles,
ninhydrins,
etc.);
anchoring
zinc-coordinated
water
molecule
(phenols,
polyamines,
sulfocoumarins,
thioxocoumarins,
catechols);
CAIs
occluding
entrance
(coumarins
derivatives,
lacosamide),
well
compounds
that
bind
outside
site.
All
these
new
chemotypes
integrated
with
procedure
for
obtaining
isoform-selective
(the
tail
approach)
has
resulted,
through
guidance
rigorous
X-ray
crystallography
experiments,
development
highly
selective
all
human
isoforms
many
pharmacological
applications.
Journal of Enzyme Inhibition and Medicinal Chemistry,
Journal Year:
2020,
Volume and Issue:
35(1), P. 1322 - 1330
Published: Jan. 1, 2020
Exosomes
are
small
membrane
vesicles
released
by
most
eukaryotic
cells.
They
considered
to
play
an
essential
role
in
cell-to-cell
communication,
and
It
is
also
found
that
they
serve
as
functional
mediators
many
severe
diseases,
including
progression
of
various
types
cancers.
Inhibition
exosome
release
may
slow
the
some
cancers;
thus,
has
been
attractive
target
for
cancer
treatment.
Over
years,
considerable
efforts
have
made
discover
novel,
highly
potent
excellently
selective
inhibitors.
Most
these
inhibitors
derived
from
synthetic
compounds,
which
currently
existed
drugs
potential
inhibit
release.
In
this
review,
we
briefly
discussed
development
discovered
provided
guidance
future
Expert Opinion on Therapeutic Patents,
Journal Year:
2018,
Volume and Issue:
28(10), P. 713 - 721
Published: Sept. 2, 2018
Introduction:
There
are
tissues
and
organs,
among
which
kidneys
the
central
nervous
system
(CNS),
rich
in
various
isoforms
of
metalloenzyme
carbonic
anhydrase
(CA,
EC
4.2.1.1).
Their
role
is
to
regulate
pH,
provide
bicarbonate
or
H+
ions
for
electrolyte
secretion
possibly
a
metabolic
one.
Considering
these
two
systems,
CA
inhibitors
clinically
used
mainly
as
diuretics
antiepileptics,
but
novel
applications
management
drug-induced
renal
injury,
sleep
apnea,
migraine,
lowering
intracranial
pressure,
cognitive
impairment,
neuropathic
pain,
cerebral
ischemia
have
emerged.Areas
covered:
The
classes
used/investigational
their
CNS
–
connected
diseases
reviewed.
A
patent
literature
review
covering
period
2013–2018
presented.Expert
opinion:
Both
many
(CAIs),
present
also
high
amounts.
inhibition
activation
has
pharmacological
applications,
already
exploited
diuretic
antiepileptic
drugs
decades.
New
were
demonstrated
last
years
CAIs
idiopathic
hypertension,
ischemia,
avoiding
disruption
blood-brain
barrier,
prevention/treatment
activators
cognition
enhancement
possible
treatment
posttraumatic
shock
phobias.
Journal of Medicinal Chemistry,
Journal Year:
2020,
Volume and Issue:
63(13), P. 7422 - 7444
Published: June 10, 2020
The
"tail
approach"
has
become
a
milestone
in
human
carbonic
anhydrase
inhibitor
(hCAI)
design
for
various
therapeutics,
including
antiglaucoma
agents.
Besides
the
classical
hydrophobic/hydrophilic
division
of
hCAs
active
site,
several
subpockets
have
been
identified
at
middle/outer
sites
rim,
which
could
be
targeted
to
increase
CAI
isoform
selectivity.
This
postulate
is
explored
here
by
three-tailed
benzenesulfonamide
CAIs
(TTI)
fully
exploit
such
amino
acid
differences
among
hCAs.
In
this
proof-of-concept
study,
an
extensive
structure-activity
relationship
(SAR)
study
was
carried
out
with
32
benzenesulfonamides
differing
tails
combination
that
were
assayed
I,
II,
IV,
and
XII
inhibition.
A
structural
undertaken
X-ray
crystallography
silico
tools
assess
ligand/target
interaction
mode.
most
selective
inhibitors
against
isoforms
implicated
glaucoma
assessed
rabbit
model
disease
achieving
intraocular
pressure-lowering
action
comparable
clinically
used
dorzolamide.