Journal of Medicinal Chemistry,
Год журнала:
2023,
Номер
66(21), С. 14513 - 14543
Опубликована: Окт. 30, 2023
Immunomodulatory
imide
drugs
(IMiDs)
such
as
thalidomide,
pomalidomide,
and
lenalidomide
are
the
most
common
cereblon
(CRBN)
recruiters
in
proteolysis-targeting
chimera
(PROTAC)
design.
However,
these
CRBN
ligands
induce
degradation
of
IMiD
neosubstrates
inherently
unstable,
degrading
hydrolytically
under
moderate
conditions.
In
this
work,
we
simultaneously
optimized
physiochemical
properties,
stability,
on-target
affinity,
off-target
neosubstrate
modulation
features
to
develop
novel
nonphthalimide
binders.
These
efforts
led
discovery
conformationally
locked
benzamide-type
derivatives
that
replicate
interactions
natural
degron,
exhibit
enhanced
chemical
display
a
favorable
selectivity
profile
terms
recruitment.
The
utility
potent
was
demonstrated
by
their
transformation
into
degraders
BRD4
HDAC6
outperform
previously
described
reference
PROTACs.
Together
with
significantly
decreased
neomorphic
ligase
activity
on
IKZF1/3
SALL4,
provide
opportunities
for
design
highly
selective
chemically
inert
proximity-inducing
compounds.
Proteolysis
targeting
chimera
(PROTAC)
technology
has
become
a
powerful
strategy
in
drug
discovery,
especially
for
undruggable
targets/proteins.
A
typical
PROTAC
degrader
consists
of
three
components:
small
molecule
that
binds
to
target
protein,
an
E3
ligase
ligand
(consisting
and
its
recruiter),
chemical
linker
hooks
first
two
components
together.
In
the
past
20
years,
we
have
witnessed
advancement
multiple
degraders
into
clinical
trials
anticancer
therapies.
However,
one
major
challenges
is
only
very
limited
number
recruiters
are
currently
available
as
targeted
protein
degradation
(TPD),
although
human
genome
encodes
more
than
600
ligases.
Thus,
there
urgent
need
identify
additional
effective
TPD
applications.
this
review,
summarized
existing
RING-type
ubiquitin
their
act
ligands
application
discovery.
We
believe
review
could
serve
reference
future
development
efficient
cancer
discovery
development.
Journal of Medicinal Chemistry,
Год журнала:
2024,
Номер
67(5), С. 3448 - 3466
Опубликована: Фев. 15, 2024
The
aggregation
of
specific
proteins
is
a
histopathological
hallmark
in
various
neurodegenerative
diseases
(NDs),
among
which
Alpha-synuclein
(α-Syn)
and
tau
have
received
increased
attention.
targeted
protein
degradation
(TPD)
strategy
has
been
studied
the
treatment
NDs,
but
multitarget
bifunctional
molecules
ignored.
Herein,
series
effective
dual
PROTAC
degraders
were
developed,
could
degrade
α-Syn
aggregates
total
simultaneously.
effects
evaluated
vitro,
results
showed
that
T3
significantly
knockdown
efficiency
with
DC50
1.57
±
0.55
4.09
0.90
μM,
respectively.
Further
mechanistic
exploration
effect
was
mediated
by
ubiquitin–proteasome
system
(UPS).
Additionally,
therapeutic
efficacy
confirmed
an
MPTP-induced
PD
mouse
model.
Our
suggest
these
PROTACs
may
provide
potential
for
NDs.
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Авг. 4, 2024
The
antitumor
performance
of
PROteolysis-TArgeting
Chimeras
(PROTACs)
is
limited
by
its
insufficient
tumor
specificity
and
poor
pharmacokinetics.
These
disadvantages
are
further
compounded
heterogeneity,
especially
the
presence
cancer
stem-like
cells,
which
drive
growth
relapse.
Herein,
we
design
a
region-confined
PROTAC
nanoplatform
that
integrates
both
reactive
oxygen
species
(ROS)-activatable
hypoxia-responsive
prodrugs
for
precise
manipulation
bromodomain
extraterminal
protein
4
expression
eradication.
nanoparticles
selectively
accumulate
within
penetrate
deep
into
tumors
via
response
to
matrix
metalloproteinase-2.
Photoactivity
then
reactivated
in
acidic
intracellular
milieu
discharged
due
ROS
generated
photodynamic
therapy
specifically
normoxic
microenvironment.
Moreover,
latent
prodrug
restored
hypoxic
cells
overexpressing
nitroreductase.
Here,
show
ability
effectively
degrade
BRD4
environments,
markedly
hindering
progression
breast
head-neck
models.
Abstract
Proteolysis
targeting
chimeras
(PROTACs)
have
emerged
as
a
promising
strategy
for
drug
discovery
and
exploring
protein
functions,
offering
revolutionary
therapeutic
modality.
Currently,
the
predominant
approach
to
PROTACs
mainly
relies
on
an
empirical
design–synthesis–evaluation
process
involving
numerous
cycles
of
labor‐intensive
synthesis‐purification
bioassay
data
collection.
Therefore,
development
innovative
methods
expedite
PROTAC
synthesis
exploration
chemical
space
remains
highly
desired.
Here,
direct‐to‐biology
is
reported
streamline
libraries
plates,
enabling
seamless
transfer
reaction
products
cell‐based
bioassays
without
need
additional
purification.
By
integrating
amide
coupling
light‐induced
primary
amines
o‐nitrobenzyl
alcohols
cyclization
(PANAC)
photoclick
chemistry
into
plate‐based
synthetic
process,
this
produces
with
high
efficiency
structural
diversity.
Moreover,
by
employing
platform
screening,
we
smoothly
found
potent
effectively
inhibit
triple‐negative
breast
cancer
(TNBC)
cell
growth
induce
rapid,
selective
targeted
degradation
cyclin‐dependent
kinase
9
(CDK9).
The
study
introduces
versatile
assembling
followed
direct
biological
evaluation.
This
provides
opportunity
high‐throughput
libraries,
thereby
enhancing
accelerating
PROTACs.
Chemical Society Reviews,
Год журнала:
2024,
Номер
53(10), С. 4838 - 4861
Опубликована: Янв. 1, 2024
In
this
review
we
highlight
how
the
synthesis
of
degraders
has
evolved
in
recent
years,
particular
application
high-throughput
chemistry
and
screening
approaches
such
as
D2B
DEL
technologies
to
expedite
discovery
timelines.
Biomedicine & Pharmacotherapy,
Год журнала:
2022,
Номер
158, С. 114112 - 114112
Опубликована: Дек. 9, 2022
Inhibition
of
androgen
receptor
(AR)
has
been
extensively
investigated
to
treat
prostate
cancer.
Resistance
mechanisms
such
as
increased
levels
production,
AR
gene,
enhancer
expression
and
point
mutations
always
reduce
the
clinical
efficacy.
Design
discovery
small-molecule
PROTAC
degraders
have
pursued
a
new
therapeutic
strategy
overcome
common
resistance
developed
during
cancer
treatment.
In
last
two
decades,
potent
efficacious
gotten
rapid
development
several
compounds
advanced
into
preclinical
phase
I/II
trials
for
treatment
human
cancers.
Especially,
first
enter
clinic,
ARV-110,
shown
good
effects
in
patients
with
mCRPC.
This
fully
demonstrates
high
value
diseases.
Here,
we
summarized
recent
advances
these
potential
clinical-stage
degraders.
Chemical Communications,
Год журнала:
2022,
Номер
58(63), С. 8858 - 8861
Опубликована: Янв. 1, 2022
A
novel
class
of
USP7
PROTACs
were
designed
and
synthesized.
CST967,
a
CRBN-based
degrader,
showed
potent
selective
depletion
leading
to
apoptosis
in
multiple
cancer
lines.