bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 1, 2024
Abstract
Proteolysis
targeting
chimeras
(PROTACs)
are
bifunctional
small
molecules
that
recruit
an
E3
ligase
to
a
target
protein,
leading
ubiquitin
transfer
and
subsequent
proteasomal
degradation.
The
formation
of
ternary
complexes
is
crucial
step
in
PROTAC-induced
protein
degradation,
gaining
structural
insights
essential
for
rational
PROTAC
design.
In
this
study,
we
present
novel
approach
efficiently
sampling
complexes,
which
has
been
validated
using
40
co-crystallized
complex
structures.
comparison
protein-protein
docking-based
integrative
approaches,
our
method
achieved
impressive
success
rate
97%
50%
retrospectively,
measured
by
C
α
-RMSD
the
crystal
structure
within
10
4
Å,
respectively,
with
average
CPU
time
hours.
Notably,
utilizing
unbound
structures,
values
between
predicted
experimental
structures
were
consistently
7
Å
across
six
WDR5-PROTAC-VHL
Our
open-source
software
enables
modeling
single
holds
promise
enhancing
design
efforts.
TOC
Journal of Molecular Liquids,
Год журнала:
2023,
Номер
395, С. 123888 - 123888
Опубликована: Дек. 27, 2023
Efficient
drug
delivery
systems
(DDSs)
play
a
pivotal
role
in
ensuring
pharmaceuticals'
targeted
and
effective
administration.
However,
the
intricate
interplay
between
formulations
poses
challenges
their
design
optimization.
Simulations
have
emerged
as
indispensable
tools
for
comprehending
these
interactions
enhancing
DDS
performance
to
address
this
complexity.
This
comprehensive
review
explores
latest
advancements
simulation
techniques
provides
detailed
analysis.
The
encompasses
various
methodologies,
including
molecular
dynamics
(MD),
Monte
Carlo
(MC),
finite
element
analysis
(FEA),
computational
fluid
(CFD),
density
functional
theory
(DFT),
machine
learning
(ML),
dissipative
particle
(DPD).
These
are
critically
examined
context
of
research.
article
presents
illustrative
case
studies
involving
liposomal,
polymer-based,
nano-particulate,
implantable
DDSs,
demonstrating
influential
simulations
optimizing
systems.
Furthermore,
addresses
advantages
limitations
It
also
identifies
future
directions
research
development,
such
integrating
multiple
techniques,
refining
validating
models
greater
accuracy,
overcoming
limitations,
exploring
applications
personalized
medicine
innovative
DDSs.
employing
like
MD,
MC,
FEA,
CFD,
DFT,
ML,
DPD
offer
crucial
insights
into
behaviour,
aiding
Despite
advantages,
rapid
cost-effective
screening,
require
validation
addressing
limitations.
Future
should
focus
on
models,
enhance
outcomes.
paper
underscores
contribution
emphasizing
providing
valuable
facilitating
development
optimization
ultimately
patient
As
we
continue
explore
impact
advancing
discovery
improving
DDSs
is
expected
be
profound.
Science Bulletin,
Год журнала:
2024,
Номер
69(11), С. 1776 - 1797
Опубликована: Март 29, 2024
Undruggable
targets
typically
refer
to
a
class
of
therapeutic
that
are
difficult
target
through
conventional
methods
or
have
not
yet
been
targeted,
but
great
clinical
significance.
According
statistics,
over
80%
disease-related
pathogenic
proteins
cannot
be
targeted
by
current
treatment
methods.
In
recent
years,
with
the
advancement
basic
research
and
new
technologies,
development
various
technologies
mechanisms
has
brought
perspectives
overcome
challenging
drug
targets.
Among
them,
protein
degradation
technology
is
breakthrough
strategy
for
This
can
specifically
identify
directly
degrade
utilizing
inherent
pathways
within
cells.
form
includes
types
such
as
proteolysis
targeting
chimera
(PROTAC),
molecular
glue,
lysosome-targeting
Chimaera
(LYTAC),
autophagosome-tethering
compound
(ATTEC),
autophagy-targeting
(AUTAC),
(AUTOTAC),
degrader-antibody
conjugate
(DAC).
article
systematically
summarizes
application
in
degraders
Finally,
looks
forward
future
direction
prospects
technology.
Theranostics,
Год журнала:
2024,
Номер
14(4), С. 1464 - 1499
Опубликована: Янв. 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.
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.
Expert Opinion on Drug Discovery,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 16, 2025
Degraders
are
an
increasingly
important
sub-modality
of
small
molecules
as
illustrated
by
ever-expanding
number
publications
and
clinical
candidate
in
human
trials.
Nevertheless,
their
preclinical
optimization
ADME
PK/PD
properties
has
remained
challenging.
Significant
research
efforts
being
directed
to
elucidate
underlying
principles
derive
rational
strategies.
In
this
review
the
authors
summarize
current
best
practices
terms
vitro
assays
vivo
experiments.
Furthermore,
collate
comment
on
understanding
optimal
physicochemical
characteristics
impact
absorption,
distribution,
metabolism
excretion
including
knowledge
Drug-Drug
interactions.
Finally,
describe
Pharmacokinetic
prediction
Pharmacokinetic/Pharmacodynamic
-concepts
unique
degraders
how
implement
these
projects.
Despite
many
recent
advances
field,
continued
will
further
our
design
regarding
degrader
optimization.
Machine-learning
computational
approaches
become
once
larger,
more
robust
datasets
available.
tissue-targeting
(particularly
Central
Nervous
System
be
studied
efficacious
drug
regimens
that
capitalize
catalytic
mode
action.
additional
specialized
(e.g.
covalent
degraders,
LOVdegs)
can
enrich
field
offer
interesting
alternative
approaches.
Abstract
Pronounced
conformational
dynamics
is
unveiled
upon
analyzing
multiple
crystal
structures
of
the
same
proteins
recruited
to
E3
ligases
by
PROTACs,
and
yet,
largely
permissive
for
targeted
protein
degradation
due
intrinsic
mobility
assemblies
creating
a
large
ubiquitylation
zone.
Mathematical
modelling
ternary
on
probability
confirms
experimental
finding
that
complex
rigidification
need
not
correlate
with
enhanced
degradation.
Salt
bridges
are
found
prevail
in
PROTAC‐induced
complexes,
may
contribute
positive
cooperativity
prolonged
half‐life.
The
analysis
highlights
importance
presenting
lysines
close
active
site
E2
enzyme
while
constraining
PROTAC
design
achieve
high
efficiency.
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Июль 9, 2024
Abstract
Machine
learning
(ML)
systems
can
model
quantitative
structure-property
relationships
(QSPR)
using
existing
experimental
data
and
make
property
predictions
for
new
molecules.
With
the
advent
of
modalities
such
as
targeted
protein
degraders
(TPD),
applicability
QSPR
models
is
questioned
ML
usage
in
TPD-centric
projects
remains
limited.
Herein,
are
developed
evaluated
TPDs’
predictions,
including
passive
permeability,
metabolic
clearance,
cytochrome
P450
inhibition,
plasma
binding,
lipophilicity.
Interestingly,
performance
on
TPDs
comparable
to
that
other
modalities.
Predictions
glues
heterobifunctionals
often
yield
lower
higher
errors,
respectively.
For
CYP3A4
human
rat
microsomal
misclassification
errors
into
high
low
risk
categories
than
4%
15%
heterobifunctionals.
all
modalities,
range
from
0.8%
8.1%.
Investigated
transfer
strategies
improve
This
first
comprehensive
evaluation
prediction
absorption,
distribution,
metabolism,
excretion
(ADME)
physicochemical
properties
TPD
molecules,
heterobifunctional
molecular
glue
sub-modalities.
Taken
together,
our
investigations
show
ML-based
applicable
support
design,
potentially
accelerate
drug
discovery.
Artificial Intelligence in the Life Sciences,
Год журнала:
2024,
Номер
6, С. 100104 - 100104
Опубликована: Июль 14, 2024
PROTACs
are
a
promising
therapeutic
modality
that
harnesses
the
cell's
built-in
degradation
machinery
to
degrade
specific
proteins.
Despite
their
potential,
developing
new
is
challenging
and
requires
significant
domain
expertise,
time,
cost.
Meanwhile,
machine
learning
has
transformed
drug
design
development.
In
this
work,
we
present
strategy
for
curating
open-source
PROTAC
data
an
deep
tool
predicting
activity
of
novel
molecules.
The
curated
dataset
incorporates
important
information
such
as
pDC50,
Dmax,
E3
ligase
type,
POI
amino
acid
sequence,
experimental
cell
type.
Our
model
architecture
leverages
learned
embeddings
from
pretrained
models,
in
particular
encoding
protein
sequences
type
information.
We
assessed
quality
generalization
ability
our
against
targets
via
three
tailored
studies,
which
recommend
other
researchers
use
evaluating
models.
each
study,
models
predict
majority
vote
setting,
reaching
top
test
accuracy
82.6%
0.848
ROC
AUC,
61%
0.615
AUC
when
generalizing
targets.
results
not
only
comparable
state-of-the-art
prediction,
but
also
part
implementation
easily
reproducible
less
computationally
complex
than
existing
approaches.