Signal Transduction and Targeted Therapy,
Год журнала:
2019,
Номер
4(1)
Опубликована: Дек. 24, 2019
Although
many
kinds
of
therapies
are
applied
in
the
clinic,
drug-resistance
is
a
major
and
unavoidable
problem.
Another
disturbing
statistic
limited
number
drug
targets,
which
presently
only
20-25%
all
protein
targets
that
currently
being
studied.
Moreover,
focus
current
explorations
their
enzymatic
functions,
ignores
functions
from
scaffold
moiety.
As
promising
appealing
technology,
PROteolysis
TArgeting
Chimeras
(PROTACs)
have
attracted
great
attention
both
academia
industry
for
finding
available
approaches
to
solve
above
problems.
PROTACs
regulate
function
by
degrading
target
proteins
instead
inhibiting
them,
providing
more
sensitivity
drug-resistant
greater
chance
affect
nonenzymatic
functions.
been
proven
show
better
selectivity
compared
classic
inhibitors.
can
be
described
as
chemical
knockdown
approach
with
rapidity
reversibility,
presents
new
different
biology
other
gene
editing
tools
avoiding
misinterpretations
arise
potential
genetic
compensation
and/or
spontaneous
mutations.
PRTOACs
widely
explored
throughout
world
outperformed
not
cancer
diseases,
but
also
immune
disorders,
viral
infections
neurodegenerative
diseases.
present
very
powerful
crossing
hurdles
discovery
tool
development
biology,
efforts
needed
gain
get
deeper
insight
into
efficacy
safety
clinic.
More
binders
E3
ligases
applicable
developing
waiting
exploration.
Chemical Society Reviews,
Год журнала:
2022,
Номер
51(12), С. 5214 - 5236
Опубликована: Янв. 1, 2022
Proteolysis-targeting
chimeras
(PROTACs)
are
heterobifunctional
molecules
consisting
of
one
ligand
that
binds
to
a
protein
interest
(POI)
and
another
can
recruit
an
E3
ubiquitin
ligase.
The
chemically-induced
proximity
between
the
POI
ligase
results
in
ubiquitination
subsequent
degradation
by
ubiquitin-proteasome
system
(UPS).
event-driven
mechanism
action
(MOA)
PROTACs
offers
several
advantages
compared
traditional
occupancy-driven
small
molecule
inhibitors,
such
as
catalytic
nature,
reduced
dosing
frequency,
more
potent
longer-lasting
effect,
added
layer
selectivity
reduce
potential
toxicity,
efficacy
face
drug-resistance
mechanisms,
targeting
nonenzymatic
functions,
expanded
target
space.
Here,
we
highlight
important
milestones
briefly
discuss
lessons
learned
about
targeted
(TPD)
recent
years
conjecture
on
efforts
still
needed
expand
toolbox
for
PROTAC
discovery
ultimately
provide
promising
therapeutics.
Journal of Hematology & Oncology,
Год журнала:
2020,
Номер
13(1)
Опубликована: Май 13, 2020
Abstract
Proteolysis-targeting
chimera
(PROTAC)
has
been
developed
to
be
a
useful
technology
for
targeted
protein
degradation.
A
bifunctional
PROTAC
molecule
consists
of
ligand
(mostly
small-molecule
inhibitor)
the
interest
(POI)
and
covalently
linked
an
E3
ubiquitin
ligase
(E3).
Upon
binding
POI,
can
recruit
POI
ubiquitination,
which
is
subjected
proteasome-mediated
complements
nucleic
acid-based
gene
knockdown/out
technologies
reduction
could
mimic
pharmacological
inhibition.
To
date,
PROTACs
targeting
~
50
proteins,
many
are
clinically
validated
drug
targets,
have
successfully
with
several
in
clinical
trials
cancer
therapy.
This
article
reviews
PROTAC-mediated
degradation
critical
oncoproteins
cancer,
particularly
those
hematological
malignancies.
Chemical
structures,
cellular
vivo
activities,
pharmacokinetics,
pharmacodynamics
these
summarized.
In
addition,
potential
advantages,
challenges,
perspectives
therapy
discussed.
Exploration of Targeted Anti-tumor Therapy,
Год журнала:
2020,
Номер
1(5)
Опубликована: Окт. 11, 2020
PROteolysis
TArgeting
Chimeras
(PROTACs)
are
heterobifunctional
molecules
consisting
of
two
ligands;
an
“anchor”
to
bind
E3
ubiquitin
ligase
and
a
“warhead”
protein
interest,
connected
by
chemical
linker.
Targeted
degradation
PROTACs
has
emerged
as
new
modality
for
the
knock
down
range
proteins,
with
first
agents
now
reaching
clinical
evaluation.
It
become
increasingly
clear
that
length
composition
linker
play
critical
roles
on
physicochemical
properties
bioactivity
PROTACs.
While
design
historically
received
limited
attention,
PROTAC
field
is
evolving
rapidly
currently
undergoing
important
shift
from
synthetically
tractable
alkyl
polyethylene
glycol
more
sophisticated
functional
linkers.
This
promises
unlock
wealth
novel
enhanced
therapeutic
intervention.
Here,
authors
provide
timely
overview
diverse
classes
in
published
literature,
along
their
underlying
principles
overall
influence
associated
Finally,
analysis
current
strategies
assembly.
The
highlight
limitations
traditional
“trial
error”
approach
around
selection,
suggest
potential
future
avenues
further
inform
rational
accelerate
identification
optimised
In
particular,
believe
advances
computational
structural
methods
will
essential
role
gain
better
understanding
structure
dynamics
ternary
complexes,
be
address
gaps
knowledge
design.
Journal of the American Chemical Society,
Год журнала:
2021,
Номер
143(19), С. 7380 - 7387
Опубликована: Май 10, 2021
PROTACs
(proteolysis
targeting
chimeras)
are
an
emerging
class
of
promising
therapeutic
modalities
that
degrade
intracellular
protein
targets
by
hijacking
the
cellular
ubiquitin–proteasome
system.
However,
potential
toxicity
in
normal
cells
due
to
off-tissue
on-target
degradation
effect
limits
their
clinical
applications.
Precise
control
a
PROTAC's
activity
tissue-selective
manner
could
minimize
toxicity/side-effects.
To
this
end,
we
developed
cancer
cell
selective
delivery
strategy
for
conjugating
folate
group
ligand
VHL
E3
ubiquitin
ligase,
achieve
targeted
proteins
interest
(POIs)
versus
noncancerous
cells.
We
show
our
folate-PROTACs,
including
BRD
PROTAC
(folate-ARV-771),
MEK
(folate-MS432),
and
ALK
(folate-MS99),
capable
degrading
BRDs,
MEKs,
ALK,
respectively,
receptor-dependent
This
design
provides
generalizable
platform
POIs
Abstract
Proteolysis-targeting
chimeras
(PROTACs)
are
engineered
techniques
for
targeted
protein
degradation.
A
bifunctional
PROTAC
molecule
with
two
covalently-linked
ligands
recruits
target
and
E3
ubiquitin
ligase
together
to
trigger
proteasomal
degradation
of
by
the
ubiquitin-proteasome
system.
has
emerged
as
a
promising
approach
therapy
in
various
diseases,
particularly
cancers.
In
this
review,
we
introduce
principle
development
technology,
well
advantages
PROTACs
over
traditional
anti-cancer
therapies.
Moreover,
summarize
application
targeting
critical
oncoproteins,
provide
guidelines
molecular
design
discuss
challenges
PROTACs.