bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 6, 2025
Summary
The
potential
for
using
therapeutic
antisense
oligonucleotides
(ASOs)
has
been
hampered
by
lack
of
understanding
how
they
enter
cells
and
subsequently
access
their
targets.
Endocytosis
contributes
to
ASO
uptake,
but
the
machinery
mediating
subsequent
trafficking
permit
suppression
target
mRNAs
not
described.
Here,
we
show
that
engagement
with
a
scavenger
receptor
(CD44)
activates
ERK-RSK
axis
promote
serine
phosphorylation
tyrosine
kinase
(EPHA2).
Serine
EPHA2
permits
endocytosis,
trafficking,
accumulation
ASOs
in
nuclear-adjacent
endosomes.
These
endosomes
then
become
leaky,
allowing
escape
effectively
suppress
mRNA
expression.
Inhibition
stress
granule-mediated
repair
leaky
further
enhances
effectiveness.
data
identify
an
endocytic
route
nucleus
which
may
be
exploited
maximise
effectiveness
ASO-mediated
therapies.
ACS Pharmacology & Translational Science,
Journal Year:
2024,
Volume and Issue:
7(4), P. 967 - 990
Published: March 19, 2024
Precision
medicine
is
transforming
colorectal
cancer
treatment
through
the
integration
of
advanced
technologies
and
biomarkers,
enhancing
personalized
effective
disease
management.
Identification
key
driver
mutations
molecular
profiling
have
deepened
our
comprehension
genetic
alterations
in
cancer,
facilitating
targeted
therapy
immunotherapy
selection.
Biomarkers
such
as
microsatellite
instability
(MSI)
DNA
mismatch
repair
deficiency
(dMMR)
guide
decisions,
opening
avenues
for
immunotherapy.
Emerging
liquid
biopsies,
artificial
intelligence,
machine
learning
promise
to
revolutionize
early
detection,
monitoring,
selection
precision
medicine.
Despite
these
advancements,
ethical
regulatory
challenges,
including
equitable
access
data
privacy,
emphasize
importance
responsible
implementation.
The
dynamic
nature
with
its
tumor
heterogeneity
clonal
evolution,
underscores
necessity
adaptive
strategies.
future
lies
potential
enhance
patient
care,
clinical
outcomes,
understanding
this
intricate
disease,
marked
by
ongoing
evolution
field.
current
reviews
focus
on
providing
in-depth
knowledge
various
diverse
approaches
utilized
against
at
both
biochemical
levels.
Molecular Cancer,
Journal Year:
2024,
Volume and Issue:
23(1)
Published: Nov. 21, 2024
Metabolic
alterations,
a
hallmark
of
cancer,
enable
tumor
cells
to
adapt
their
environment
by
modulating
glucose,
lipid,
and
amino
acid
metabolism,
which
fuels
rapid
growth
contributes
treatment
resistance.
In
primary
breast
metabolic
shifts
such
as
the
Warburg
effect
enhanced
lipid
synthesis
are
closely
linked
chemotherapy
failure.
Similarly,
metastatic
lesions
often
display
distinct
profiles
that
not
only
sustain
but
also
confer
resistance
targeted
therapies
immunotherapies.
The
review
emphasizes
two
major
aspects:
mechanisms
driving
in
both
how
unique
environments
sites
further
complicate
treatment.
By
targeting
vulnerabilities
at
stages,
new
strategies
could
improve
efficacy
existing
provide
better
outcomes
for
cancer
patients.
Journal of Biomedical Science,
Journal Year:
2025,
Volume and Issue:
32(1)
Published: Jan. 9, 2025
Abstract
Research
into
cancer
treatment
has
been
mainly
focused
on
developing
therapies
to
directly
target
cells.
Over
the
past
decade,
extensive
studies
have
revealed
critical
roles
of
tumour
microenvironment
(TME)
in
initiation,
progression,
and
drug
resistance.
Notably,
cancer-associated
fibroblasts
(CAFs)
emerged
as
one
primary
contributors
shaping
TME,
creating
a
favourable
environment
for
development.
Many
preclinical
identified
promising
targets
CAFs,
demonstrating
remarkable
efficacy
some
CAF-targeted
treatments
models.
Encouraged
by
these
compelling
findings,
therapeutic
strategies
now
advanced
clinical
evaluation.
We
aim
provide
comprehensive
review
relevant
subjects
including
CAF-related
markers
targets,
their
multifaceted
roles,
current
landscape
ongoing
trials.
This
knowledge
can
guide
future
research
CAFs
advocate
investigations
targeting
CAFs.
Journal of Biological Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown, P. 108229 - 108229
Published: Jan. 1, 2025
Given
the
pivotal
role
of
Eph-Ephrin
signaling
pathway
in
tumor
progression,
agonists
or
antagonists
targeting
Eph/Ephrin
have
emerged
as
promising
anticancer
strategies.
However,
implications
glycosylation
modifications
within
and
their
targeted
protein
therapeutics
remain
elusive.
Here,
we
identify
that
N-glycosylation
receptor-binding
domain
(RBD)
ephrin
B1
(EFNB1)
is
indispensable
for
its
functional
repertoire.
Notably,
compared
to
wild-type
EFNB1,
glycosylation-deficient
N139D
mutant
drastically
diminishes
sensitivity
cells
chemotherapeutic
agents,
suggesting
existence
both
glycosylation-dependent
independent
effects
mediated
by
EFNB1.
Transcriptomic
analysis
highlights
immune
response
oxidative
phosphorylation
primary
pathways
modulated
modifications.
In
coculture
systems,
EFNB1-RBD-Fc
recombinant
protein,
while
inhibiting
B-lymphoma
cells,
also
exerts
differential
impacts
on
stromal
depending
status.
Furthermore,
efficacy
glycosylated
non-glycosylated
influenced
endogenous
EFNB1
levels
cells.
Taking
together,
this
study
demonstrates
complexity
multifaceted
roles
modulating
function.
These
findings
underscore
need
a
nuanced
understanding
patterns
Eph/Ephrin-targeted
therapies
optimize
therapeutic
potential.
Tissue Barriers,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 8, 2025
Eph
receptor-interacting
proteins
(ephrin)
ligands
and
their
erythropoietin-producing
human
hepatocellular
(Eph)
receptors
elicit
bidirectional
signals
that
regulate
cell
migration,
angiogenesis,
neuronal
plasticity,
other
developmental
processes
in
the
embryo.
In
adulthood,
ephrin-Eph
signaling
regulates
numerous
homeostatic
events,
including
epithelial
proliferation
differentiation.
Epithelial
surfaces,
those
of
skin
vagina,
are
lined
by
layers
stratified
squamous
epithelium
(SSE)
protect
against
mechanical
stress
microbial
pathogen
invasion.
Ephrin-Eph
is
known
to
promote
cutaneous
barrier
function
regulating
expression
specialized
cell-cell
adhesion
junctions
termed
desmosomes,
but
role
this
system
maintaining
integrity
vagina
less
explored.
This
review
summarizes
current
understanding
desmosome
considers
evidence
suggests
similarly
these
vaginal
SSE.
Biomedicines,
Journal Year:
2024,
Volume and Issue:
12(5), P. 1087 - 1087
Published: May 14, 2024
Breast
cancer
(BC)
remains
one
of
the
leading
causes
mortality
among
women,
with
triple-negative
breast
(TNBC)
standing
out
for
its
aggressive
nature
and
limited
treatment
options.
Metabolic
reprogramming,
cancer’s
hallmarks,
underscores
importance
targeting
metabolic
vulnerabilities
therapeutic
intervention.
This
study
aimed
to
investigate
impact
de
novo
serine
biosynthetic
pathway
(SSP)
inhibition,
specifically
phosphoglycerate
dehydrogenase
(PHGDH)
NCT-503,
on
three
TNBC
cell
lines:
MDA-MB-231,
MDA-MB-468
Hs
578T.
First,
MS-based
proteomics
was
used
confirm
distinct
expression
PHGDH
other
SSP
enzymes
using
intracellular
proteome
profiles
untreated
cells.
Furthermore,
characterize
response
lines
inhibitor,
both
in
vitro
assays
label-free,
bottom-up
were
employed.
NCT-503
exhibited
significant
cytotoxic
effects
all
lines,
being
most
susceptible
(IC50
20.2
±
2.8
µM),
while
MDA-MB-231
578T
showed
higher,
comparable
IC50s.
Notably,
differentially
expressed
proteins
(DEPs)
induced
by
mostly
line-specific,
terms
secreted
proteins.
Through
overrepresentation
Reactome
GSEA
analysis,
modifications
associated
cycle
pathways
observed
MDA-MBs
following
treatment.
Distinctive
dysregulation
signaling
seen
extracellular
matrix
organization
characterizing
highlighted
through
treatment-induced
Lastly,
an
analysis
conducted
DEPs
that
greater
abundance
groups
evaluate
potential
chemo-sensitizing
properties
druggability
these
promising
targets.
Cells,
Journal Year:
2024,
Volume and Issue:
13(6), P. 495 - 495
Published: March 12, 2024
From
the
moment
a
cell
is
on
path
to
malignant
transformation,
its
interaction
with
other
cells
from
microenvironment
becomes
altered.
The
flow
of
molecular
information
at
heart
cellular
and
systemic
fate
in
tumors,
various
processes
participate
conveying
key
or
certain
cancer
cells.
For
instance,
loss
tight
junction
molecules
part
signal
sent
so
that
they
are
no
longer
bound
primary
tumors
thus
free
travel
metastasize.
Upon
targeting
single
by
therapeutic
drug,
gap
junctions
able
communicate
death
by-standing
discovery
importance
novel
modes
cell–cell
communication
such
as
different
types
extracellular
vesicles
tunneling
nanotubes
changing
way
scientists
look
these
processes.
However,
all
actively
involved
contexts
same
time
recruited
fulfill
specific
tasks?
What
does
multiplicity
mean
for
overall
progression
disease?
Here,
we
extend
an
open
invitation
think
about
significance
questions,
rather
than
engage
elusive
attempt
systematic
repertory
mechanisms
play.
Journal of Medicinal Chemistry,
Journal Year:
2024,
Volume and Issue:
67(15), P. 12534 - 12552
Published: July 19, 2024
Macrocyclization
of
acyclic
compounds
is
a
powerful
strategy
for
improving
inhibitor
potency
and
selectivity.
Here
we
have
optimized
2-aminopyrimidine-based
macrocycles
to
use
these
as
chemical
tools
the
ephrin
kinase
family.
Starting
with
promiscuous
macrocyclic
inhibitor,
Oncogene,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 20, 2024
Abstract
Endothelial
cells
(ECs)
that
line
blood
vessels
act
as
gatekeepers
and
shape
the
metabolic
environment
of
every
organ
system.
In
normal
conditions,
endothelial
are
relatively
quiescent
with
organ-specific
expression
signatures
profiles.
cancer,
ECs
metabolically
reprogrammed
to
promote
formation
new
fuel
tumor
growth
metastasis.
addition
EC’s
role
on
cells,
tortuous
vasculature
contributes
an
immunosuppressive
by
limiting
T
lymphocyte
infiltration
activity
while
also
promoting
recruitment
other
accessory
pro-angiogenic
immune
cells.
These
elements
aid
in
metastatic
spreading
cancer
contribute
therapeutic
resistance.
The
concept
restoring
a
more
stabilized
concert
immunotherapy
is
emerging
potential
approach
overcoming
barriers
treatment.
This
review
summarizes
metabolism
their
regulation
nutrient
uptake
delivery,
impact
shaping
microenvironment
anti-tumor
immunity.
We
highlight
approaches
target
harness
response.
Appreciating
integration
state
levels
crosstalk
among
TME
may
provide
avenues
for
intervention.
Biochemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 17, 2025
The
receptor
tyrosine
kinase
EphB4
is
involved
in
tumor
angiogenesis,
proliferation,
and
metastasis.
Designed
ankyrin
repeat
proteins
(DARPins)
binding
to
the
extracellular
domain
were
identified
from
a
combinatorial
library
using
phage
display.
Surface
plasmon
resonance
(SPR)
allowed
us
distinguish
between
DARPins
that
either
compete
with
ligand
ephrin-B2
for
common
site
or
target
different
epitope.
all
prevent
ligand-induced
phosphorylation
impair
tube
formation
by
endothelial
cells
vitro.
competitive
DARPin
AB1
was
additionally
shown
inhibit
vascular
growth
factor
(VEGF)
fibroblast
(FGF)-induced
angiogenesis
vivo.
In
summary,
we
have
isolated
exert
antiangiogenic
effects
specifically
may
potentially
lead
new
cancer
therapeutics.