bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 20, 2024
Abstract
The
exponential
increase
in
biomedical
data
offers
unprecedented
opportunities
for
drug
discovery,
yet
overwhelms
traditional
analysis
methods,
limiting
the
pace
of
new
development.
Here
we
introduce
a
framework
autonomous
artificial
intelligence
(AI)-driven
discovery
that
integrates
knowledge
graphs
with
large
language
models
(LLMs).
It
is
capable
planning
and
carrying
out
automated
programs
while
providing
details
its
research
strategy,
progress,
supporting
points,
enabling
thorough
assessment
methods
findings.
At
heart
this
lies
“focal
graph”
-
novel
construct
harnesses
centrality
algorithms
to
distill
vast,
noisy
datasets
into
concise,
transparent,
data-driven
hypotheses.
By
high-throughput
search
result
interpretation,
such
could
be
used
execute
massive
numbers
searches,
identify
patterns
across
complex,
diverse
datasets,
prioritize
actionable
hypotheses
at
scale
speed
unachievable
by
human
researchers
alone.
We
demonstrate
even
small-
applications
approach
can
yield
novel,
transparent
insights
relevant
multiple
stages
process
present
prototype
system
autonomously
executing
multi-step
target
workflow.
focal
graph
described
here,
automation
it
enables,
represents
promising
path
forward:
towards
deeper
understanding
mechanisms
underlying
disease
true
acceleration
development
therapeutics.
Graphical
Journal of Medicinal Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 2, 2025
The
treatment
of
castration-resistant
prostate
cancer
(CRPC)
remains
a
significant
challenge,
necessitating
the
development
new
and
promising
therapeutic
strategies.
Utilizing
molecular
glue
to
degrade
previously
intractable
drivers
represents
an
emerging
approach
treatment.
In
this
study,
we
developed
novel
CRBN-interacting
glue,
7d
(XYD049),
which
exhibits
potent
selective
degradation
G1
S
phase
transition
1
(GSPT1),
well-known
untargetable
driver
in
diverse
cells.
Importantly,
superior
efficacy
compared
(CC-90009)
degrading
GSPT1
22Rv1
cells
with
DC50
value
19
nM.
It
effectively
suppresses
growth
IC50
0.007
±
0.004
μM
demonstrates
inhibiting
tumor
mice.
Mechanistically,
via
GSPT1,
downregulates
CRPC-related
oncogenes
cells,
including
AR,
AR-V7,
PSA,
c-Myc.
Thus,
our
work
provides
degrader
effectiveness
targeting
Myc-driven
CRPC.
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(3), P. 1138 - 1138
Published: Jan. 28, 2025
Benzene,
a
well-known
carcinogenic
airborne
pollutant,
poses
significant
health
risks,
particularly
in
industries
such
as
petroleum,
shoemaking,
and
painting.
Despite
strict
regulations,
chronic
occupational
exposure
persists,
contributing
to
the
onset
of
acute
myeloid
leukemia
(AML)
other
malignancies.
Benzene’s
carcinogenicity
stems
from
its
metabolic
activation,
leading
increased
oxidative
stress,
DNA
damage,
cancer
transformation.
While
toxicity
is
well-documented,
link
between
genetic
epigenetic
alterations
susceptibility
exposed
workers
remains
underexplored.
This
study
aims
identify
early
biomarkers
benzene
AML
risk
by
analyzing
gene
expression
methylation
datasets
GEO
DataSets,
integrated
with
molecular
pathway
analyses,
well
miRNA-target
protein-protein
network
evaluations.
multi-approach
led
identification
nine
deregulated
genes
(CRK,
CXCR6,
GSPT1,
KPNA1,
MECP2,
MELTF,
NFKB1,
TBC1D7,
ZNF331)
benzene,
NFKB1
showing
strong
discriminatory
potential.
Also,
dose-dependent
changes
were
observed
CXCR6
while
selected
miRNAs
let-7d-5p,
miR-126-3p,
miR-361-5p
emerged
key
post-transcriptional
regulators.
Furthermore,
functional
enrichment
linked
these
immune
response,
inflammation,
cell
proliferation,
apoptosis
pathways.
analyses
highlighted
CRK,
central
benzene-associated
leukemogenesis.
Altogether,
findings
provide
novel
insights
into
an
biomarker
fingerprint
for
susceptibility,
supporting
future
development
biomolecular-based
targeted
monitoring
personalized
preventive
strategies
at-risk
workers.
European Journal of Medicinal Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown, P. 117642 - 117642
Published: April 1, 2025
Targeting
undruggable
proteins
by
inducing
proximity
between
E3
ligase
and
their
substrates
has
emerged
as
an
innovative
strategy
for
tackling
challenging
diseases.
In
this
study,
we
identified
a
novel
GSPT1
degrader,
4a
(KMG-1068),
through
screening
of
our
in-house
small
molecule
library.
Treatment
with
demonstrated
significant
anti-proliferative
activity
across
multiple
cell
lines,
which
was
diminished
co-treatment
MLN4924,
suggesting
the
involvement
Cullin-containing
complex.
Quantitative
proteomic
analysis
indicated
that
predominantly
induces
degradation
GSPT1/2.
We
further
validated
4a-mediated
GSPT1/2
is
dependent
on
both
CUL4
CRBN.
Moreover,
forms
ternary
complex
CRBN
GSPT1/2,
albeit
weaker
binding
affinity
compared
to
reported
molecular
glues.
BRET
assays
competition
pomalidomide
binds
C-terminal
IMiD
site
CRBN,
leading
GSPT1.
Despite
lacking
characteristic
glutarimide
moiety
present
in
other
CRBN-based
glue
degraders,
interacts
effectively
Structural
characterization
analog
synthesis
underscored
importance
specific
structural
features
engagement,
degradation,
effects,
establishing
promising
degrader
therapeutic
potential.
Journal of the American Chemical Society,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 2, 2024
Glioblastoma,
a
highly
aggressive
brain
tumor,
lacks
effective
treatment
with
low
5
year
survival
rates.
Urgency
for
new
therapies
is
evident.
Mammalian
targets
of
rapamycin
(mTOR)
and
G1
to
S
phase
transition
1
gene
(GSPT1)
are
overexpressed
in
glioblastoma,
regulating
vital
cellular
functions.
Current
mTOR
inhibitors
face
challenges
clinical
efficacy
drug
resistance.
Similarly,
GSPT1-targeting
have
not
progressed
glioblastoma
trials.
Research
studies
suggested
that
combining
inhibition
GSPT1
degradation
may
overcome
resistance
enhance
efficacy.
We
propose
the
concept
jointly
implementing
on
different
proteins,
integrating
properties
degraders
into
same
molecule.
Introducing
YB-3–17,
novel
bifunctional
molecule,
robustly
inhibits
selectively
degrades
GSPT1.
As
tool
compound
proof-of-concept
studies,
YB-3–17
sharpens
selectivity,
avoiding
off-target
effects,
induces
inhibition,
showing
superior
tumor
cell
lines
compared
standalone
therapies.
RNA-seq
analysis
highlights
advantages
YB-3-17
over
inhibitor
treatment.
can
safely
effectively
inhibit
growth
mice,
offering
promising
direction
precision
representing
first
attempt
combine
degradation.
This
work
also
demonstrates
it
conceptually
possible
successfully
small
molecule
single
killing
two
birds
one
stone.
Journal of Medicinal Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 9, 2025
PROTAC
and
molecular
glue
present
a
novel
therapeutic
approach
to
tackle
diseases
propelled
by
the
aberrant
expression
of
disease-causing
proteins.
In
this
study,
we
identified
number
AR/AR-V7
GSPT1
degraders
that
possess
both
characteristics.
The
exploration
SAR
led
discovery
BWA-6047
as
potent
degrader.
exhibited
protein
degradation
in
22Rv1
cells
(AR:
DC50
=
3.7
nM,
Dmax
90%;
AR-V7:
3.0
93%;
GSPT1:
1.2
94%).
Mechanism
experiments
indicate
functions
degrade
target
Oral
administration
at
20
mpk
significantly
inhibited
LNCaP
xenograft
tumor
growth
mice
without
obvious
toxicity.
Dual
represent
class
promising
mechanism
compounds
for
further
extensive
evaluations
prostate
cancer
treatment.
Medicinal Research Reviews,
Journal Year:
2024,
Volume and Issue:
44(4), P. 1727 - 1767
Published: Feb. 5, 2024
Abstract
Unprecedented
therapeutic
targeting
of
previously
undruggable
proteins
has
now
been
achieved
by
molecular‐glue‐mediated
proximity‐induced
degradation.
As
a
small
GTPase,
G1
to
S
phase
transition
1
(GSPT1)
interacts
with
eRF1,
the
translation
termination
factor,
facilitate
process
termination.
Studied
demonstrated
that
GSPT1
plays
vital
role
in
acute
myeloid
leukemia
(AML)
and
MYC‐driven
lung
cancer.
Thus,
molecular
glue
(MG)
degraders
is
novel
promising
approach
for
treating
AML
cancers.
In
this
Perspective,
we
briefly
summarize
structural
functional
aspects
GSPT1,
highlighting
latest
advances
challenges
MG
degraders,
as
well
some
representative
patents.
The
structure‐activity
relationships,
mechanism
action
pharmacokinetic
features
are
emphasized
provide
comprehensive
compendium
on
rational
design
degraders.
We
hope
an
updated
overview,
guide
strategies
treatment
Journal of Clinical Medicine,
Journal Year:
2024,
Volume and Issue:
13(23), P. 7131 - 7131
Published: Nov. 25, 2024
Modern
oncology
increasingly
relies
on
the
role
of
proteins
as
key
components
in
cancer
diagnosis,
prognosis,
and
targeted
therapy.
This
review
examines
advancements
protein
biomarkers
across
several
types,
including
breast
cancer,
lung
ovarian
hepatocellular
carcinoma.
These
have
proven
critical
for
early
detection,
treatment
response
monitoring,
tailoring
personalized
therapeutic
strategies.
The
article
highlights
utility
therapies,
such
tyrosine
kinase
inhibitors
monoclonal
antibodies,
improving
efficacy
while
minimizing
systemic
toxicity.
Despite
these
advancements,
challenges
like
tumor
resistance,
variability
expression,
diagnostic
heterogeneity
persist,
complicating
universal
application.
underscores
future
directions,
integration
artificial
intelligence,
advanced
analysis
technologies,
development
combination
therapies
to
overcome
barriers
refine
treatment.