ACS Omega,
Год журнала:
2023,
Номер
8(50), С. 48050 - 48055
Опубликована: Дек. 7, 2023
Over
the
past
three
decades,
DNA-encoded
library
(DEL)
technologies
have
become
one
of
most
relevant
strategies
for
hit-finding.
Recent
advances
in
synthetic
methodologies
libraries
rendered
increased
chemical
space
available,
but
it
is
unknown
how
every
variety
chemistry
affects
DNA's
integrity.
Available
assays
to
quantify
DNA
damage
are
restricted
electrophoresis,
ligation
efficiency,
and
mostly
qPCR
quantification
sequencing,
which
may
contain
predisposition
inconsistency.
We
developed
an
external
standard
method
through
LC-MS
analysis
accurately
throughout
transformations.
An
assessment
was
conducted
on
on-DNA
reactions
that
frequently
employed
DEL
synthesis,
these
results
were
compared
traditional
measurements.
Our
study
provides
a
simple,
practicable,
accurate
measurement
degradation
during
synthesis.
finding
reveals
substantial
disagreement
among
usual
DNA-damaging
methods,
been
largely
neglected
so
far.
Journal of the American Chemical Society,
Год журнала:
2024,
Номер
146(35), С. 24638 - 24653
Опубликована: Авг. 22, 2024
Identifying
biologically
active
ligands
for
membrane
proteins
is
an
important
task
in
chemical
biology.
We
report
approach
to
directly
identify
small
molecule
agonists
against
by
selecting
DNA-encoded
libraries
(DELs)
on
live
cells.
This
method
connects
extracellular
ligand
binding
with
intracellular
biochemical
transformation,
thereby
biasing
the
selection
toward
agonist
identification.
have
demonstrated
methodology
three
proteins:
epidermal
growth
factor
receptor
(EGFR),
thrombopoietin
(TPOR),
and
insulin
(INSR).
A
∼30
million
a
1.033
billion-compound
DEL
were
selected
these
targets,
novel
subnanomolar
affinity
low
micromolar
cellular
activities
been
discovered.
The
INSR
activated
possibly
allosteric
site,
exhibited
clear
synergistic
effects
insulin,
downstream
signaling
pathways.
Notably,
did
not
activate
insulin-like
1
(IGF-1R),
highly
homologous
whose
activation
may
lead
tumor
progression.
Collectively,
this
work
has
developed
"functional"
selections
cell
surface
provide
widely
applicable
discovery
proteins.
Angewandte Chemie,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 11, 2025
Abstract
Small
molecules
that
can
bind
to
specific
cells
have
broad
application
in
cancer
diagnosis
and
treatment.
Screening
large
chemical
libraries
against
live
is
an
effective
strategy
for
discovering
cell‐targeting
ligands.
The
DNA‐encoded
library
(DEL
or
DECL)
technology
has
emerged
as
a
robust
tool
drug
discovery
been
successfully
utilized
identifying
ligands
biological
targets.
However,
nearly
all
DEL
selections
predefined
targets,
while
target‐agnostic
interrogating
the
entire
cell
surface
remain
underexplored.
Herein,
we
systematically
optimized
cell‐based
selection
method
without
A
104.96‐million‐member
was
selected
MDA‐MB‐231
MCF‐7
breast
cells,
representing
high
low
metastatic
properties,
respectively,
which
led
identification
of
cell‐specific
small
molecules.
We
further
demonstrated
applications
these
photodynamic
therapy
targeted
delivery.
Finally,
leveraging
DNA
tag
compounds,
identified
α‐enolase
(ENO1)
receptor
one
targeting
more
aggressive
cells.
Overall,
this
work
offers
efficient
approach
molecule
by
using
DELs
demonstrates
be
useful
identify
receptors
on
Angewandte Chemie International Edition,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 11, 2025
Abstract
Small
molecules
that
can
bind
to
specific
cells
have
broad
application
in
cancer
diagnosis
and
treatment.
Screening
large
chemical
libraries
against
live
is
an
effective
strategy
for
discovering
cell‐targeting
ligands.
The
DNA‐encoded
library
(DEL
or
DECL)
technology
has
emerged
as
a
robust
tool
drug
discovery
been
successfully
utilized
identifying
ligands
biological
targets.
However,
nearly
all
DEL
selections
predefined
targets,
while
target‐agnostic
interrogating
the
entire
cell
surface
remain
underexplored.
Herein,
we
systematically
optimized
cell‐based
selection
method
without
A
104.96‐million‐member
was
selected
MDA‐MB‐231
MCF‐7
breast
cells,
representing
high
low
metastatic
properties,
respectively,
which
led
identification
of
cell‐specific
small
molecules.
We
further
demonstrated
applications
these
photodynamic
therapy
targeted
delivery.
Finally,
leveraging
DNA
tag
compounds,
identified
α‐enolase
(ENO1)
receptor
one
targeting
more
aggressive
cells.
Overall,
this
work
offers
efficient
approach
molecule
by
using
DELs
demonstrates
be
useful
identify
receptors
on
Expert Opinion on Drug Discovery,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 18, 2025
Drug
discovery
is
a
complex
and
multifaceted
process
driven
by
scientific
innovation
advanced
technologies.
Next-Generation
Sequencing
(NGS)
platforms,
encompassing
both
short-read
long-read
technologies,
have
revolutionized
the
field
enabling
high-throughput
cost-effective
analysis
of
DNA
RNA
molecules.
Continuous
advancements
in
NGS-based
technologies
enabled
their
seamless
integration
across
preclinical
clinical
workflows
drug
discovery,
early-stage
target
identification,
candidate
selection,
genetically
stratified
trials,
pharmacogenetic
studies.
This
review
provides
an
overview
current
potential
applications
development
process,
including
roles
novel
screening,
medication
The
based
on
literature
retrieval
from
PubMed
Web
Science
databases
between
2018
2024.
As
advance
rapidly,
NGS
enhances
accuracy
generates
vast
datasets.
These
datasets
are
extensively
integrated
with
other
heterogeneous
data
systems
biology
mined
using
machine
learning
to
extract
significant
insights,
thereby
driving
progress
discovery.
Bioconjugate Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 27, 2025
The
C(sp2)-C(sp3)
cross-coupling
reaction
is
an
effective
way
to
increase
the
C(sp3)
content
in
compound
collections
for
drug
discovery,
enhancing
molecular
diversity
and
offering
a
unique
chemistry
starting
point.
In
this
study,
we
report
mild,
DNA-compatible,
off-DNA-inert
photochemical
inspired
by
amino
radical
transfer
strategy.
This
method
demonstrates
broad
substrate
scopes
DNA-encoded
library
(DEL)
constructions,
utilizing
commonly
available
structures
on
DNA
diverse
alkyl
boronate
ester
building
blocks,
which
have
not
been
widely
applied
current
DEL
chemical
space.
Small
molecule
ligands
that
can
specifically
recognize
the
surface
of
cancer
cells
have
wide
utilities
in
diagnosis
and
treatment.
Screening
large
combinatorial
libraries
against
live
is
an
effective
approach
to
discover
cell-targeting
ligands.
In
past
decade,
DNA-encoded
chemical
library
(DEL
or
DECL)
has
become
a
powerful
technology
drug
discovery
been
successfully
used
ligand
numerous
biological
targets.
However,
nearly
all
DEL
selections
had
predefined
targets,
whereas
completely
unbiased
interrogating
entire
cell
remain
underexplored.
this
report,
we
systematically
optimized
cell-based
selection
method
perform
without
A
104.96-million-member
was
selected
MDA-MB-231
MCF7,
pair
breast
lines
with
high
low
metastatic
properties,
respectively,
cell-specific
small
combinations
(“clusters”)
identified.
We
further
show
cluster
could
be
improve
binding
affinity
applied
applications
including
photodynamic
therapy
targeted
delivery.
Finally,
leveraged
DNA
tag
compounds
identified
receptor
individual
targeting
cells.
Overall,
work
provides
efficient
for
discovering
molecules
demonstrated
potential
DELs
as
tool
biomarker
discovery.
Abstract
An
ideal
DNA‐encoded
library
(DEL)
selection
requires
the
to
consist
of
diverse
core
skeletons
and
cover
chemical
space
as
much
possible.
However,
lack
efficient
on‐DNA
synthetic
approaches
toward
has
greatly
restricted
diversity
DEL.
To
mitigate
this
issue,
work
disclosed
a
“Mask
&
Release”
strategy
streamline
challenging
skeleton
synthesis.
N
‐phenoxyacetamide
is
used
masked
phenol
versatile
directing
group
mediate
diversified
DNA‐compatible
C‐H
functionalization,
introducing
1st‐dimensional
at
defined
site,
simultaneously
releasing
functionality,
which
can
facilitate
introduction
2nd
diversity.
This
not
only
provides
set
syntheses
DNA‐conjugated
drug‐like
such
ortho
‐alkenyl/sulfiliminyl/cyclopropyl
phenol,
benzofuran,
dihydrobenzofuran
but
also
paradigm
for
method
development.
Chemical Communications,
Год журнала:
2023,
Номер
59(41), С. 6128 - 6147
Опубликована: Янв. 1, 2023
The
hit
finding
strategy
in
drug
discovery
has
undergone
a
tremendous
change
the
past
decade
with
advent
of
DNA-encoded
libraries
diverse
chemical
libraries.
Organic Chemistry Frontiers,
Год журнала:
2023,
Номер
10(22), С. 5551 - 5558
Опубликована: Янв. 1, 2023
α-Chiral
alkyl
aldehydes
were
used
as
deoxygenative
chiral
radical
equivalents
for
the
first
time
in
4-CzIPN-catalyzed
alkylation/cyclization
of
2-biphenylisonitriles
with
under
photocatalytic
conditions.