Accelerating PROTACs Discovery Through a Direct‐to‐Biology Platform Enabled by Modular Photoclick Chemistry
Advanced Science,
Год журнала:
2024,
Номер
11(26)
Опубликована: Апрель 30, 2024
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.
Язык: Английский
Triazination/IEDDA Cascade Modular Strategy Installing Pyridines/Pyrimidines onto Tyrosine Enables Peptide Screening and Optimization
Journal of the American Chemical Society,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 30, 2025
Modular
chemical
postmodification
of
peptides
is
a
promising
strategy
that
supports
the
optimization
and
innovation
hit
peptide
therapeutics
by
enabling
rapid
derivatization.
However,
current
methods
are
primarily
limited
to
traditional
bio-orthogonal
strategies
ligation
techniques,
which
require
preintroduction
non-natural
amino
acids
impose
fixed
limit
diversity.
Here,
we
developed
Tyrosine-1,2,3-Triazine
Ligation
(YTL)
strategy,
constructs
novel
linkages
(pyridine
pyrimidine)
through
"one-pot,
two-step"
process
combining
SNAr
IEDDA
reactions,
promoting
modular
post
modification
Tyr-containing
peptides.
After
optimizing
YTL
establishing
standard
procedures,
successfully
applied
it
solid-phase
various
biorelated
peptides,
such
as
synthesis
dual-mode
imaging
probes
long-acting
GLP-1
analogs.
As
proof
concept,
library
384
amphipathic
was
constructed
using
based
on
96-well
microfiltration
plates.
modifications
were
then
performed
screened
template
tripeptide
RYR,
leading
generation
20
derivatives.
The
antibacterial
activity
these
derivatives
systematically
characterized,
identifying
Z8
potential
candidate.
Язык: Английский
Workflow for E3 Ligase Ligand Validation for PROTAC Development
ACS Chemical Biology,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 11, 2025
Proteolysis
targeting
chimeras
(PROTACs)
have
gained
considerable
attention
as
a
new
modality
in
drug
discovery.
The
development
of
PROTACs
has
been
mainly
focused
on
using
CRBN
(Cereblon)
and
VHL
(Von
Hippel-Lindau
ligase)
E3
ligase
ligands.
However,
the
size
human
family,
newly
developed
ligands,
favorable
druggability
some
families
hold
promise
that
novel
degraders
with
unique
pharmacological
properties
will
be
designed
future
this
large
space.
Here,
we
workflow
aiming
to
improve
streamline
evaluation
ligand
efficiency
for
PROTAC
assessment
corresponding
"degradable"
target
space
broad-spectrum
kinase
inhibitors
well-established
VH032
validation
system.
Our
study
revealed
linker
attachment
points
are
highly
efficient
degradation
well
pitfalls
when
protein
readout.
For
instance,
cytotoxicity
was
identified
major
mechanism
leading
PROTAC-
VHL-independent
degradation.
combination
negative
controls,
competition
by
parent
compounds,
neddylation
proteasome
essential
distinguish
between
VHL-dependent
-independent
events.
We
share
here
findings
limitations
our
hope
provide
guidance
evaluations
systems
degrader
development.
Язык: Английский
General Platform for Efficient and Modular Assembly of GalNAc–siRNA Conjugates via Primary Amines and o-Nitrobenzyl Alcohol Cyclization Photoclick Chemistry Enabling Rapid Access to Therapeutic Oligonucleotides
JACS Au,
Год журнала:
2025,
Номер
5(3), С. 1402 - 1412
Опубликована: Фев. 24, 2025
Oligonucleotide-based
therapies,
especially
ligand-conjugated
siRNAs,
offer
significant
therapeutic
potential
for
a
wide
array
of
diseases.
However,
conventional
solid-phase
synthesis
and
current
postsynthetic
in-solution
conjugation
methods
face
notable
challenges
related
to
efficiency,
accessibility,
the
scalability
diverse
ligand–oligonucleotide
conjugates.
Herein,
we
introduce
novel
strategy
highly
efficient,
rapid,
modular
assembly
GalNAc–siRNA
conjugates
based
on
light-induced
primary
amine
o-nitrobenzyl
alcohol
cyclization
(PANAC)
chemistry.
Leveraging
advantages
PANAC
photoclick
chemistry
linkers,
our
method
enables
direct
trivalent
GalNAc
(tGalNAc)
with
commercially
available
primary-amine-modified
siRNAs.
This
approach
demonstrates
efficient
rapid
therapeutically
relevant
oligonucleotides
ligands
interest,
offering
operational
simplicity
practicality;
thus,
it
effectively
overcomes
limitations
existing
methods.
More
importantly,
developed
siRNA–tGalNAc
showed
robust
gene
silencing
effect
superior
parent
siRNA
conjugate,
highlighting
effectiveness
in
generating
screening
enhance
vivo
potency.
Overall,
oligonucleotide–tGalNAc
using
readily
accessible
tGalNAc-amine
ligands.
expands
toolkit
conjugates,
providing
general
platform
broad
applicability,
thereby
advancing
optimization
development
oligonucleotide-based
therapeutics.
Язык: Английский
Harnessing the Power of Natural Products for Targeted Protein Degradation
Medicinal Research Reviews,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 30, 2025
ABSTRACT
Natural
products
have
garnered
significant
attention
due
to
their
complex
chemical
structures
and
remarkable
pharmacological
activities.
With
inherent
recognition
capabilities
for
protein
surfaces,
natural
serve
as
ideal
candidates
designing
proteolysis‐targeting
chimeras
(PROTACs).
The
utilization
of
in
PROTAC
development
offers
distinct
advantages,
including
rich
diversity,
multitarget
activities,
sustainable
sourcing.
This
comprehensive
review
explores
the
vast
potential
harnessing
research.
Moreover,
discusses
application
degradant
technology,
which
involves
utilizing
product‐based
compounds
selectively
degrade
disease‐causing
proteins,
well
implementation
computer‐aided
drug
design
(CADD)
technology
identifying
suitable
targets
degradation
within
realm
products.
By
power
leveraging
computational
tools,
PROTACs
derived
from
revolutionize
discovery
provide
innovative
therapeutic
interventions
various
diseases.
Язык: Английский
Drug discovery technologies–Current and future trends
Elsevier eBooks,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Язык: Английский
Fluorescence-Coupled Ubiquitination Assay as a High-Throughput Screening Strategy for Novel Cereblon Degraders
Journal of Medicinal Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 7, 2025
Cereblon
(CRBN)-based
protein
degradation,
via
molecular
glue
degraders
(MGDs)
and
proteolysis-targeting
chimeras
(PROTACs),
is
a
promising
cancer
treatment
strategy
in
targeted
degradation
(TPD).
However,
novel
discovery
remains
limited
due
to
the
lack
of
robust,
high-throughput
screening
(HTS)
methods
for
processing
pools
purified
compounds
or
complex
chemical
synthesis
mixtures.
Here,
we
introduce
an
innovative
HTS
that
employs
highly
sensitive,
fluorescence-coupled
ubiquitination
assay
identify
CRBN-based
degraders.
This
approach
tracks
ubiquitinated
target
proteins
gel-based
analyses,
thereby
progressively
narrows
down
list
potential
degrader
molecules
from
large-scale
compound
libraries
reaction
Using
this
strategy,
identified
LL-BPTF-8,
lead
PROTAC
with
high
potency
selectivity
targets
bromodomain
PHD
finger
transcription
factor
(BPTF).
Overall,
our
method
offers
low-cost,
rapid,
versatile
platform
candidates,
significantly
streamlining
Язык: Английский
To homeostasis and beyond! Recent advances in the medicinal chemistry of heterobifunctional derivatives
Diana Castagna,
Benoit Gourdet,
Roland Hjerpe
и другие.
Progress in medicinal chemistry,
Год журнала:
2024,
Номер
unknown, С. 61 - 160
Опубликована: Янв. 1, 2024
Язык: Английский
In Vivo Self‐Assembly of PROTACs by Bioorthogonal Chemistry for Precision Cancer Therapy
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 23, 2024
Abstract
Proteolysis
targeting
chimeras
(PROTACs)
hold
immense
promise
for
targeted
protein
degradation;
however,
challenges
such
as
off‐target
effects,
poor
drug‐likeness
properties,
and
the
“hook
effect”
remain.
This
study
introduces
Nano‐Click‐formed
PROTACs
(Nano‐CLIPTACs)
precise
tumor
degradation
in
vivo.
Traditional
with
high
molecular
weight
were
first
divided
into
two
smaller
druglike
precursors
capable
of
self‐assembling
to
form
functional
through
a
bioorthogonal
reaction.
Then,
optimal
CLIPTACs
(
W4
Z2
)
encapsulated
individually
cyclic
RGDfC‐peptide‐modified
liposomes
prepare
Nano‐CLIPTACs,
enabling
tumor‐targeted
delivery
subsequent
situ
self‐assembly
WZ42
within
cells.
The
abilities
Nano‐CLIPTACs
vitro
vivo
further
verified
using
key
oncology
target,
anaplastic
lymphoma
kinase
(ALK),
validating
safety,
efficacy
“anti‐hook
this
strategy.
Overall,
represent
critical
step
towards
clinical
translation
technology
anti‐cancer
therapies.
Язык: Английский
In Vivo Self‐Assembly of PROTACs by Bioorthogonal Chemistry for Precision Cancer Therapy
Angewandte Chemie,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 23, 2024
Abstract
Proteolysis
targeting
chimeras
(PROTACs)
hold
immense
promise
for
targeted
protein
degradation;
however,
challenges
such
as
off‐target
effects,
poor
drug‐likeness
properties,
and
the
“hook
effect”
remain.
This
study
introduces
Nano‐Click‐formed
PROTACs
(Nano‐CLIPTACs)
precise
tumor
degradation
in
vivo.
Traditional
with
high
molecular
weight
were
first
divided
into
two
smaller
druglike
precursors
capable
of
self‐assembling
to
form
functional
through
a
bioorthogonal
reaction.
Then,
optimal
CLIPTACs
(
W4
Z2
)
encapsulated
individually
cyclic
RGDfC‐peptide‐modified
liposomes
prepare
Nano‐CLIPTACs,
enabling
tumor‐targeted
delivery
subsequent
situ
self‐assembly
WZ42
within
cells.
The
abilities
Nano‐CLIPTACs
vitro
vivo
further
verified
using
key
oncology
target,
anaplastic
lymphoma
kinase
(ALK),
validating
safety,
efficacy
“anti‐hook
this
strategy.
Overall,
represent
critical
step
towards
clinical
translation
technology
anti‐cancer
therapies.
Язык: Английский