iScience,
Journal Year:
2024,
Volume and Issue:
27(5), P. 109802 - 109802
Published: April 23, 2024
Targeted
protein
degradation
(TPD)
strategy
harnesses
the
ubiquitin-proteasome
system
(UPS)
to
degrade
a
of
interest
(POI)
by
bringing
it
into
proximity
with
an
E3
ubiquitin
ligase.
However,
limited
availability
functional
ligases
and
emergence
resistance
through
mutations
in
UPS
components
restrict
this
approach.
Therefore,
identifying
alternative
suitable
for
TPD
is
important
develop
new
degraders
overcome
potential
mechanisms.
Here,
we
use
protein-based
degrader
method,
fusing
anti-tag
intracellular
antibody
ligase,
screen
enabling
tagged
POI.
We
identify
SOCS7
ligase
as
effective
biodegrader,
able
deplete
its
target
various
cell
lines
regardless
POI's
subcellular
localization.
show
utility
generating
SOCS7-based
KRAS
that
inhibits
mutant
pancreatic
cancer
cells'
proliferation.
These
findings
highlight
versatility
valuable
potent
degraders.
Cell chemical biology,
Journal Year:
2024,
Volume and Issue:
31(6), P. 1064 - 1088
Published: May 2, 2024
SummaryThe
modulation
of
protein-protein
interactions
with
small
molecules
is
one
the
most
rapidly
developing
areas
in
drug
discovery.
In
this
review,
we
discuss
advances
over
past
decade
(2014–2023)
focusing
on
molecular
glues
(MGs)—monovalent
that
induce
proximity,
either
by
stabilizing
native
or
inducing
neomorphic
interactions.
We
include
both
serendipitous
and
rational
discoveries
describe
different
approaches
were
used
to
identify
them.
classify
compounds
three
main
categories:
degradative
MGs,
non-degradative
MGs
PPI
stabilizers,
self-association.
Diverse,
illustrative
examples
structural
data
are
described
detail,
emphasizing
elements
recognition
cooperative
binding
at
interface
fundamental
for
a
MG
mechanism
action.Graphical
abstract
Drug Discovery Today,
Journal Year:
2024,
Volume and Issue:
29(4), P. 103917 - 103917
Published: Feb. 14, 2024
A
principal
challenge
in
the
discovery
of
proteolysis
targeting
chimeras
(PROTACs)
as
oral
medications
is
their
bioavailability.
To
facilitate
drug
design,
it
therefore
essential
to
identify
chemical
space
where
orally
bioavailable
PROTACs
are
more
likely
be
situated.
this
aim,
we
extracted
structure-bioavailability
insights
from
published
data
using
traditional
2D
descriptors,
thereby
shedding
light
on
potential
and
limitations
design
tools.
Subsequently,
describe
cutting-edge
experimental,
computational
hybrid
strategies
based
3D
which
show
promise
for
enhancing
probability
discovering
with
high
Acta Pharmaceutica Sinica B,
Journal Year:
2024,
Volume and Issue:
14(6), P. 2402 - 2427
Published: Jan. 21, 2024
Targeted
protein
degradation
(TPD)
represented
by
proteolysis
targeting
chimeras
(PROTACs)
marks
a
significant
stride
in
drug
discovery.
A
plethora
of
innovative
technologies
inspired
PROTAC
have
not
only
revolutionized
the
landscape
TPD
but
potential
to
unlock
functionalities
beyond
degradation.
Non-small-molecule-based
approaches
play
an
irreplaceable
role
this
field.
wide
variety
agents
spanning
broad
chemical
spectrum,
including
peptides,
nucleic
acids,
antibodies,
and
even
vaccines,
which
prove
instrumental
overcoming
constraints
conventional
small
molecule
entities
also
provided
rapidly
renewing
paradigms.
Herein
we
summarize
burgeoning
non-small
technological
platforms
PROTACs,
three
major
trajectories,
provide
insights
for
design
strategies
based
on
novel
Journal of Medicinal Chemistry,
Journal Year:
2024,
Volume and Issue:
67(15), P. 13106 - 13116
Published: July 30, 2024
Achieving
oral
bioavailability
with
Proteolysis
Targeting
Chimeras
(PROTACs)
is
a
key
challenge.
Here,
we
report
the
in
vivo
pharmacokinetic
properties
mouse,
rat,
and
dog
of
four
clinical
PROTACs
compare
an
internally
derived
data
set.
We
use
NMR
to
determine
3D
molecular
conformations
structural
preorganization
free
solution,
introduce
new
experimental
descriptors,
solvent-exposed
H-bond
donors
(eHBD),
acceptors
(eHBA).
derive
upper
limit
eHBD
≤
2
for
apolar
environments
show
greater
tolerance
other
(eHBA,
polarity,
lipophilicity,
weight)
than
Rule-of-5
compliant
drugs.
Within
set
structurally
related
PROTACs,
that
examples
>
have
much
lower
those
2.
summarize
our
findings
as
"Rule-of-oral-PROTACs"
order
assist
medicinal
chemists
achieve
this
challenging
space.
ACS Chemical Biology,
Journal Year:
2024,
Volume and Issue:
19(7), P. 1484 - 1494
Published: July 3, 2024
Targeted
protein
degradation
has
recently
emerged
as
a
novel
option
in
drug
discovery.
Natural
half-life
is
expected
to
affect
the
efficacy
of
degrading
agents,
but
what
extent
it
influences
target
not
been
systematically
explored.
Using
simple
mathematical
modeling
degradation,
we
find
that
natural
dramatic
effect
on
level
induced
by
degrader
agent
which
can
pose
significant
hurdles
screening
efforts.
Moreover,
show
upon
for
degraders
short-lived
proteins,
agents
stall
synthesis,
such
GSPT1
and
generally
cytotoxic
compounds,
deceptively
appear
protein-degrading
agents.
This
exemplified
disappearance
proteins
MCL1
MDM2
treatment
with
doxorubicin.
These
findings
have
implications
selection
well
type
control
experiments
required
conclude
works
bona
fide
targeted
degrader.
Journal of Chemical Information and Modeling,
Journal Year:
2024,
Volume and Issue:
64(15), P. 6162 - 6173
Published: Aug. 1, 2024
Proteolysis
targeting
chimeras
(PROTACs)
are
bifunctional
compounds
that
recruit
an
E3
ligase
to
a
target
protein
induce
ubiquitination
and
degradation
of
the
target.
Rational
optimization
PROTAC
requires
structural
model
ternary
complex.
In
absence
experimental
structure,
computational
tools
have
emerged
attempt
predict
complexes.
Here,
we
systematically
benchmark
three
commonly
used
tools:
PRosettaC,
MOE,
ICM.
We
find
these
PROTAC-focused
methods
produce
array
complex
structures,
including
some
observed
experimentally,
but
also
many
significantly
deviate
from
crystal
structure.
Molecular
dynamics
simulations
show
complexes
may
exist
in
multiplicity
configurational
states
question
use
experimentally
structures
as
reference
for
accurate
predictions.
The
pioneering
benchmarked
here
highlight
promises
challenges
field
be
more
valuable
when
guided
by
clear
biophysical
data.
benchmarking
data
set
provide
evaluating
other
future
modeling.
Theranostics,
Journal Year:
2024,
Volume and Issue:
14(4), P. 1464 - 1499
Published: Jan. 1, 2024
Epigenetics
refers
to
the
reversible
process
through
which
changes
in
gene
expression
occur
without
changing
nucleotide
sequence
of
DNA.
The
is
currently
gaining
prominence
as
a
pivotal
objective
treatment
cancers
and
other
ailments.
Numerous
drugs
that
target
epigenetic
mechanisms
have
obtained
approval
from
Food
Drug
Administration
(FDA)
for
therapeutic
intervention
diverse
diseases;
many
drawbacks,
such
limited
applicability,
toxicity,
resistance.
Since
discovery
first
proteolysis-targeting
chimeras
(PROTACs)
2001,
studies
on
targeted
protein
degradation
(TPD)-encompassing
PROTACs,
molecular
glue
(MG),
hydrophobic
tagging
(HyT),
TAG
(dTAG),
Trim-Away,
specific
non-genetic
inhibitor
apoptosis
(IAP)-dependent
eraser
(SNIPER),
antibody-PROTACs
(Ab-PROTACs),
lysosome-based
strategies-have
achieved
remarkable
progress.
In
this
review,
we
comprehensively
highlight
small-molecule
degraders
beyond
PROTACs
could
achieve
proteins
(including
bromodomain-containing
protein-related
targets,
histone
acetylation/deacetylation-related
methylation/demethylation
related
targets)
via
proteasomal
or
lysosomal
pathways.
present
difficulties
forthcoming
prospects
domain
are
also
deliberated
upon,
may
be
valuable
medicinal
chemists
when
developing
more
potent,
selective,
drug-like
clinical
applications.
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 21, 2024
Targeted
protein
degradation
utilizing
a
bifunctional
molecule
to
initiate
ubiquitination
and
subsequent
by
the
26S
proteasome
has
been
shown
be
powerful
therapeutic
intervention.
Many
molecules,
including
covalent
non-covalent
ligands
proteins
of
interest,
have
developed.
The
traditional
target
methodology
targets
interest
in
both
healthy
diseased
cell
populations,
window
is
obtained
based
on
overexpression
targeted
protein.
We
report
here
series
degraders
that
do
not
rely
interacting
with
an
E3
ligase,
but
rather
subunit,
which
we
named
ByeTACs:
Bypassing
Targeting
Chimeras.
Rpn-13
non-essential
ubiquitin
receptor
for
proteasome.
Cells
under
significant
stress
or
require
ubiquitin-dependent
survival,
incorporate
increase
rates.
reported
are
molecules
include
ligand
BRD4,
wish
degrade.
synthesized
suite
varying
PEG
chain
lengths
showed
binder
(TCL1)
BRD4
(JQ1)
linker
3
4
units
most
effective
induce
degradation.
also
demonstrate
our
new
dependent
upon
activity
expression
levels.
This
establishes
mechanism
action
ByeTACs
can
employed
wide
variety
substrates.
Communications Chemistry,
Journal Year:
2024,
Volume and Issue:
7(1)
Published: Feb. 20, 2024
Abstract
Bivalent
molecules
consisting
of
groups
connected
through
bridging
linkers
often
exhibit
strong
target
binding
and
unique
biological
effects.
However,
developing
bivalent
inhibitors
with
the
desired
activity
is
challenging
due
to
dual
motif
architecture
these
variability
that
can
be
introduced
differing
linker
structures
geometries.
We
report
a
set
alternatively
linked
EGFR
simultaneously
occupy
ATP
substrate
allosteric
pockets.
Crystal
show
initial
redesigned
trisubstituted
imidazole
ATP-site
inhibitor
dibenzodiazepinone
allosteric-site
proved
successful
in
spanning
sites.
The
re-engineered
yielded
compound
exhibited
significantly
higher
potency
(~60
pM)
against
drug-resistant
L858R/T790M
L858R/T790M/C797S,
which
was
superadditive
as
compared
parent
molecules.
enhanced
attributed
factors
stemming
from
connection
group
informs
strategies
engineer
agent
design.