Frontiers in Drug Discovery,
Journal Year:
2025,
Volume and Issue:
5
Published: Jan. 29, 2025
Increased
research
attention
has
been
brought
to
non-enzymatic
protein
targeting
agents
as
a
new
and
effective
strategy
for
advancing
cancer
treatment.
To
discover
this
class
of
anticancer
drugs,
two
molecular
approaches
the
activities
proteins
have
shown
promising
experimental,
preclinical,
clinical
results.
In
first
approach,
selective
known
PROteolysis-TArgeting
Chimeras
(PROTACs)
employ
innate
endogenous
degradation
machinery
in
cells
proteolyze
targeted
protein.
The
combination
highly
PROTACs
exploitation
cellular
pathways
provides
opportunity
treat
diseases
that
were
previously
deemed
incurable
due
lack
enzymatic
proteins.
second
approach
targets
protein-protein
interactions
(PPIs)
an
alternative
route
alters
functional
complexes
thus
significantly
influence
cell
fitness
survival.
efficiently
identify
potential
chemical
leads
these
approaches,
high-throughput
screening
(HTS)
extremely
valuable
its
ability
quickly
screen
large
libraries
compounds.
review
paper,
we
will
provide
overview
developing
anti-cancer
impact
inhibitors.
Signal Transduction and Targeted Therapy,
Journal Year:
2023,
Volume and Issue:
8(1)
Published: March 1, 2023
The
TP53
tumor
suppressor
is
the
most
frequently
altered
gene
in
human
cancers,
and
has
been
a
major
focus
of
oncology
research.
p53
protein
transcription
factor
that
can
activate
expression
multiple
target
genes
plays
critical
roles
regulating
cell
cycle,
apoptosis,
genomic
stability,
widely
regarded
as
"guardian
genome".
Accumulating
evidence
shown
also
regulates
metabolism,
ferroptosis,
microenvironment,
autophagy
so
on,
all
which
contribute
to
suppression.
Mutations
not
only
impair
its
function,
but
confer
oncogenic
properties
mutants.
Since
mutated
inactivated
malignant
tumors,
it
very
attractive
for
developing
new
anti-cancer
drugs.
However,
until
recently,
was
considered
an
"undruggable"
little
progress
made
with
p53-targeted
therapies.
Here,
we
provide
systematic
review
diverse
molecular
mechanisms
signaling
pathway
how
mutations
impact
progression.
We
discuss
key
structural
features
inactivation
by
mutations.
In
addition,
efforts
have
therapies,
challenges
encountered
clinical
development.
Trends in Pharmacological Sciences,
Journal Year:
2023,
Volume and Issue:
44(5), P. 303 - 317
Published: April 13, 2023
Anticancer-targeted
therapies
inhibit
various
kinases
implicated
in
cancer
and
have
been
used
clinical
settings
for
decades.
However,
many
cancer-related
targets
are
proteins
without
catalytic
activity
difficult
to
target
using
traditional
occupancy-driven
inhibitors.
Targeted
protein
degradation
(TPD)
is
an
emerging
therapeutic
modality
that
has
expanded
the
druggable
proteome
treatment.
With
entry
of
new-generation
immunomodulatory
drugs
(IMiDs),
selective
estrogen
receptor
degraders
(SERDs),
proteolysis-targeting
chimera
(PROTAC)
into
trials,
field
TPD
seen
explosive
growth
past
10
years.
Several
challenges
remain
need
be
tackled
increase
successful
translation
drugs.
We
present
overview
global
landscape
trials
over
decade
summarize
profiles
In
addition,
we
highlight
opportunities
development
effective
future
translation.
Signal Transduction and Targeted Therapy,
Journal Year:
2024,
Volume and Issue:
9(1)
Published: Nov. 6, 2024
Abstract
Targeted
protein
degradation
(TPD)
represents
a
revolutionary
therapeutic
strategy
in
disease
management,
providing
stark
contrast
to
traditional
approaches
like
small
molecule
inhibitors
that
primarily
focus
on
inhibiting
function.
This
advanced
technology
capitalizes
the
cell’s
intrinsic
proteolytic
systems,
including
proteasome
and
lysosomal
pathways,
selectively
eliminate
disease-causing
proteins.
TPD
not
only
enhances
efficacy
of
treatments
but
also
expands
scope
applications.
Despite
its
considerable
potential,
faces
challenges
related
properties
drugs
their
rational
design.
review
thoroughly
explores
mechanisms
clinical
advancements
TPD,
from
initial
conceptualization
practical
implementation,
with
particular
proteolysis-targeting
chimeras
molecular
glues.
In
addition,
delves
into
emerging
technologies
methodologies
aimed
at
addressing
these
enhancing
efficacy.
We
discuss
significant
trials
highlight
promising
outcomes
associated
drugs,
illustrating
potential
transform
treatment
landscape.
Furthermore,
considers
benefits
combining
other
therapies
enhance
overall
effectiveness
overcome
drug
resistance.
The
future
directions
applications
are
explored,
presenting
an
optimistic
perspective
further
innovations.
By
offering
comprehensive
overview
current
innovations
faced,
this
assesses
transformative
revolutionizing
development
setting
stage
for
new
era
medical
therapy.
Cell Reports Physical Science,
Journal Year:
2022,
Volume and Issue:
3(10), P. 101062 - 101062
Published: Sept. 21, 2022
In
the
past
two
decades,
we
have
witnessed
discovery
and
development
of
many
potent
efficacious
proteolysis-targeting
chimera
(PROTAC)
degraders,
with
several
in
phase
I/II
clinical
trials.
However,
achieving
good
oral
bioavailability
for
these
degraders
remains
one
biggest
challenges,
given
fact
that
PROTACs
are
often
"beyond
rule
5"
small-molecule
drugs
because
their
higher
molecular
weight
other
poor
physiochemical
properties.
this
review,
focus
on
current
efforts
various
orally
available
anti-cancer
PROTAC
comprehensively
summarize
strategies
applied
to
end.
We
believe
summarized
here
may
provide
a
reference
future
new
oral-available
treatment
human
diseases.
Journal of Biomedical Science,
Journal Year:
2023,
Volume and Issue:
30(1)
Published: April 26, 2023
Amyotrophic
lateral
sclerosis
(ALS)
associated
with
TAR
DNA-binding
protein
43
(TDP-43)
aggregation
has
been
considered
as
a
lethal
and
progressive
motor
neuron
disease.
Recent
studies
have
shown
that
both
C-terminal
TDP-43
(C-TDP-43)
aggregates
oligomers
were
neurotoxic
pathologic
agents
in
ALS
frontotemporal
lobar
degeneration
(FTLD).
However,
misfolding
long
an
undruggable
target
by
applying
conventional
inhibitors,
agonists,
or
antagonists.
To
provide
this
unmet
medical
need,
we
aim
to
degrade
these
proteins
designing
series
of
proteolysis
targeting
chimeras
(PROTACs)
against
C-TDP-43.By
filter
trap
assay,
western
blotting,
microscopy
imaging,
the
degradation
efficiency
C-TDP-43
was
studied
Neuro-2a
cells
overexpressing
eGFP-C-TDP-43
mCherry-C-TDP-43.
The
cell
viability
characterized
alarmarBlue
assay.
beneficial
disaggregating
effects
PROTAC
examined
YFP-C-TDP-43
transgenic
C.
elegans
motility
assay
confocal
microscopy.
impact
on
oligomeric
intermediates
monitored
fluorescence
lifetime
imaging
size
exclusion
chromatography
co-expressing
mCherry-C-TDP-43.Four
PROTACs
different
linker
lengths
synthesized
characterized.
Among
chimeras,
2
decreased
relieved
C-TDP-43-induced
cytotoxicity
without
affecting
endogenous
TDP-43.
We
showed
bound
E3
ligase
initiate
ubiquitination
proteolytic
degradation.
By
advanced
microscopy,
it
further
compactness
population
oligomers.
In
addition
cellular
model,
also
improved
reducing
nervous
system.Our
study
demonstrated
dual-targeting
capacity
newly-designed
reduce
their
neurotoxicity,
which
shed
light
potential
drug
development
for
well
other
neurodegenerative
diseases.
Journal of Medicinal Chemistry,
Journal Year:
2023,
Volume and Issue:
66(13), P. 8822 - 8843
Published: June 29, 2023
We
report
the
discovery
of
ARD-2051
as
a
potent
and
orally
efficacious
androgen
receptor
(AR)
proteolysis-targeting
chimera
degrader.
achieves
DC50
values
0.6
nM
Dmax
>90%
in
inducing
AR
protein
degradation
both
LNCaP
VCaP
prostate
cancer
cell
lines,
potently
effectively
suppresses
AR-regulated
genes,
inhibits
growth.
good
oral
bioavailability
pharmacokinetic
profile
mouse,
rat,
dog.
A
single
dose
strongly
reduces
gene
expression
xenograft
tumor
tissue
mice.
Oral
administration
growth
causes
no
signs
toxicity
is
promising
degrader
for
advanced
preclinical
development
treatment
AR+
human
cancers.
MedComm,
Journal Year:
2023,
Volume and Issue:
4(3)
Published: May 29, 2023
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.
Signal Transduction and Targeted Therapy,
Journal Year:
2023,
Volume and Issue:
8(1)
Published: Nov. 13, 2023
Abstract
Specific
cell
states
in
metazoans
are
established
by
the
symphony
of
gene
expression
programs
that
necessitate
intricate
synergic
interactions
between
transcription
factors
and
co-activators.
Deregulation
these
regulatory
molecules
is
associated
with
state
transitions,
which
turn
accountable
for
diverse
maladies,
including
developmental
disorders,
metabolic
most
significantly,
cancer.
A
decade
back
factors,
key
enablers
disease
development,
were
historically
viewed
as
‘undruggable’;
however,
intervening
years,
a
wealth
literature
validated
they
can
be
targeted
indirectly
through
transcriptional
co-activators,
their
confederates
various
physiological
molecular
processes.
These
along
have
ability
to
initiate
modulate
genes
necessary
normal
functions,
whereby,
deregulation
such
may
foster
tissue-specific
phenotype.
Hence,
it
essential
analyze
how
co-activators
specific
multilateral
processes
coordination
other
factors.
The
proposed
review
attempts
elaborate
an
in-depth
account
involvement
regulation,
context-specific
contributions
pathophysiological
conditions.
This
also
addresses
issue
has
not
been
dealt
comprehensive
manner
hopes
direct
attention
towards
future
research
will
encompass
patient-friendly
therapeutic
strategies,
where
drugs
targeting
enhanced
benefits
reduced
side
effects.
Additional
insights
into
currently
available
interventions
constraints
eventually
reveal
multitudes
advanced
targets
aiming
amelioration
good
patient
prognosis.