Temporal Microenvironment Mapping (microMap) of Intracellular Trafficking Pathways of Cell-Penetrating Peptides Across the Blood-Brain Barrier
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 18, 2025
Abstract
Peptides
play
critical
roles
in
cellular
functions
such
as
signaling
and
immune
regulation,
peptide-based
biotherapeutics
show
great
promise
for
treating
various
diseases.
Among
these,
cell-penetrating
peptides
(CPPs)
are
particularly
valuable
drug
delivery
due
to
their
ability
cross
cell
membranes.
However,
the
mechanisms
underlying
CPP-mediated
transport,
especially
across
blood-brain
barrier
(BBB),
remain
poorly
understood.
Mapping
intracellular
CPP
pathways
is
essential
advancing
systems,
neurological
disorders,
understanding
how
CPPs
navigate
complex
environment
of
BBB
could
enable
development
more
effective
brain-targeted
therapies.
Here,
we
leverage
a
nanoscale
proximity
labeling
technique,
termed
µMap,
precisely
probe
peptide–
receptor
interactions
trafficking
photocatalyst-tagged
CPPs.
The
unique
advantage
μMap
platform
lies
control
timing
light
exposure,
which
enables
collection
time-gated
data,
depending
on
when
blue
applied
cells.
By
harnessing
this
spatiotemporal
precision,
can
uncover
key
peptide–receptor
processes,
setting
stage
new
innovations
design
Figure
Language: Английский
Expanding toolkit for RNP granule transcriptomics
Polymer Journal,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 23, 2025
Language: Английский
Recent advances of photocatalytic biochemical transformations
Surabhi Sinha,
No information about this author
Praveen P. Singh,
No information about this author
Sudhanshu Kanaujia
No information about this author
et al.
Bioorganic Chemistry,
Journal Year:
2025,
Volume and Issue:
157, P. 108320 - 108320
Published: Feb. 26, 2025
Language: Английский
Engineered Proteins and Chemical Tools to Probe the Cell Surface Proteome
Chemical Reviews,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 3, 2025
The
cell
surface
proteome,
or
surfaceome,
is
the
hub
for
cells
to
interact
and
communicate
with
outside
world.
Many
disease-associated
changes
are
hard-wired
within
yet
approved
drugs
target
less
than
50
proteins.
In
past
decade,
proteomics
community
has
made
significant
strides
in
developing
new
technologies
tailored
studying
surfaceome
all
its
complexity.
this
review,
we
first
dive
into
unique
characteristics
functions
of
emphasizing
necessity
specialized
labeling,
enrichment,
proteomic
approaches.
An
overview
surfaceomics
methods
provided,
detailing
techniques
measure
protein
expression
how
leads
novel
discovery.
Next,
highlight
advances
proximity
labeling
(PLP),
showcasing
various
enzymatic
photoaffinity
can
map
protein-protein
interactions
membrane
complexes
on
surface.
We
then
review
role
extracellular
post-translational
modifications,
focusing
glycosylation,
proteolytic
remodeling,
secretome.
Finally,
discuss
identifying
tumor-specific
peptide
MHC
they
have
shaped
therapeutic
development.
This
emerging
field
neo-protein
epitopes
constantly
evolving,
where
targets
identified
at
proteome
level
encompass
defined
PTMs,
complexes,
dysregulated
cellular
tissue
locations.
Given
functional
importance
biology
therapy,
view
as
a
critical
piece
quest
neo-epitope
Language: Английский
Mapping RNA–Protein Interactions via Proximity Labeling‐Based Approaches
Y. Chen,
No information about this author
Yuxin Chen,
No information about this author
Wei Qin
No information about this author
et al.
Chemistry - An Asian Journal,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 18, 2025
Abstract
RNA–protein
interactions
are
fundamental
to
a
wide
range
of
biological
processes,
and
understanding
these
in
their
native
cellular
context
is
both
vital
challenging.
Traditional
methods
for
studying
rely
on
crosslinking,
which
can
introduce
artifacts.
Recently,
proximity
labeling‐based
techniques
have
emerged
as
powerful
alternatives,
offering
crosslinking‐free
approach
investigate
interactions.
This
review
highlights
recent
advancements
the
development
application
labeling
methods,
focusing
RNA‐centric
protein‐centric
strategies
profiling
By
examining
innovative
approaches,
we
aim
provide
insights
into
potential
enhancing
our
dynamics
various
settings.
Language: Английский