MedComm – Biomaterials and Applications,
Journal Year:
2023,
Volume and Issue:
2(2)
Published: June 1, 2023
Abstract
With
the
aging
of
global
population,
early
diagnosis
and
treatment
neurodegenerative
diseases
such
as
Parkinson's
disease
(PD)
have
attracted
considerable
attention.
Despite
great
advances
achieved
during
past
decades,
PD
second
largest
is
still
incurable.
In
clinical
practice,
patients
are
mainly
treated
by
drugs,
supplemented
with
deep
brain
stimulation
or
nerve
nucleus
destruction.
The
existing
drugs
can
only
relieve
symptoms
motor
disorder,
cannot
stop
progression
PD.
Compared
small
molecular
nanoparticles
exhibit
multiple
functions
in
neuroprotection
neurorepair
due
to
their
tunable
physical
chemical
properties,
easy
modification
functionalization.
Herein,
we
first
briefly
review
characteristics
crossing
blood–brain
barrier,
which
a
primary
challenge
for
Then,
summarize
pathologic
mechanisms
comprehensively
discuss
novel
therapy
based
on
diverse
nanoparticles,
including
alleviating
oxidative
stress,
scavenging
α‐synuclein
aggregates,
chelating
metal
ions,
delivering
neurotrophic
factors
genes,
transplanting
stem
cells.
This
aims
highlight
potential
advanced
Pharmacological Research,
Journal Year:
2022,
Volume and Issue:
187, P. 106613 - 106613
Published: Dec. 16, 2022
Increasing
studies
have
suggested
that
some
cardiac
glycosides,
such
as
conventional
digoxin
(DIG)
and
digitoxin,
can
induce
immunogenic
cell
death
(ICD)
in
various
tumors.
We
previously
found
3'-epi-12β-hydroxyfroside
(HyFS),
a
novel
cardenolide
compound
isolated
by
our
group,
could
cytoprotective
autophagy
through
inactivation
of
the
Akt/mTOR
pathway.
However,
whether
HyFS
ICD
remains
unknown.
In
this
study,
we
extend
work
to
further
investigate
both
ICD,
investigated
relationship
between
three
TNBC
lines.
Unexpectedly,
compared
DIG,
complete
flux
but
not
human
triple-negative
breast
cancer
(TNBC)
lines
one
murine
model.
Inhibition
HyFS-induced
resulted
production
MDA-MB-231,
MDA-MB-436,
HCC38
cells.
A
mechanism
study
showed
formation
RIPK1/RIPK3
necrosomes
was
necessary
for
induction
DIG-treated
cells,
while
treatment
led
receptor-interacting
serine-threonine
kinase
(RIPK)1/3
necrosome
degradation
via
an
process.
Additionally,
inhibition
inhibitor
chloroquine
reoccurrence
reversion
tumor
microenvironment,
leading
more
significant
antitumor
effects
immunocompetent
mice
than
immunodeficient
mice.
These
findings
indicate
HyFS-mediated
autophagic
leads
Moreover,
combined
with
may
enhance
activities,
suggesting
alternative
therapeutic
treatment.
Autophagy,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 21
Published: Jan. 8, 2025
The
aggregation
and
transmission
of
SNCA/α-synuclein
(synuclein,
alpha)
is
a
hallmark
pathology
Parkinson
disease
(PD).
PLK2
(polo
like
kinase
2)
an
evolutionarily
conserved
serine/threonine
that
more
abundant
in
the
brains
all
family
members,
highly
expressed
PD,
linked
to
SNCA
deposition.
However,
addition
its
role
phosphorylating
SNCA,
PD
mechanisms
involved
triggering
neurodegeneration
remain
unclear.
Here,
we
found
regulated
independently
S129.
Overexpression
promoted
preformed
fibril
(PFF)-induced
wild-type
mutant
SNCAS129A.
Genetic
or
pharmacological
inhibition
attenuated
deposition
neurotoxicity.
Mechanistically,
exacerbated
propagation
by
impeding
clearance
aggregates
blocking
macroautophagic/autophagic
flux.
We
further
showed
phosphorylated
S1098
DCTN1
(dynactin
1),
protein
controls
movement
organelles,
leading
impaired
autophagosome-lysosome
fusion.
Furthermore,
genetic
suppression
alleviated
motor
dysfunction
vivo.
Our
findings
suggest
negatively
regulates
autophagy,
promoting
pathology,
suggesting
for
PD.
ACS Sensors,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 6, 2025
Aggrephagy
in
cells
is
defined
as
the
degradation
of
intracellular
aggregated
proteins
via
macroautophagy
process.
This
process
sequesters
protein
aggregates
into
autolysosomes,
which
bear
characteristic
viscous
and
acidic
microenvironments.
Limited
aggregation
sensors
are
environmentally
compatible
with
cellular
aggrephagy
Here,
we
report
an
acid-resistant
viscosity-sensitive
proteome
sensor
to
detect
stressed
clinical
samples.
fluoresces
upon
selectively
ubiquitously
binding
different
proteins.
Importantly,
unlike
other
reported
sensors,
our
probe
offers
unique
fluorescence
inside
proteins,
enabling
its
application
autolysosome
microenvironment.
In
live
under
various
conditions,
optimal
(A6)
successfully
detects
validated
by
colocalization
a
lysosomal
tracker.
Additionally,
demonstrate
that
can
heat-stressed
tissue
samples
biopsied
from
cancer
patients
undergoing
thermal
perfusion
treatment.
Together,
facilitates
detection
chemically
matching
microenvironmental
characteristics.
Cells,
Journal Year:
2023,
Volume and Issue:
12(18), P. 2310 - 2310
Published: Sept. 19, 2023
Defective
autophagy
is
one
of
the
cellular
hallmarks
Parkinson's
disease
(PD).
Therefore,
a
therapeutic
strategy
could
be
modest
enhancement
autophagic
activity
in
dopamine
(DA)
neurons
to
deal
with
clearance
damaged
mitochondria
and
abnormal
protein
aggregates.
Syringin
(SRG)
phenolic
glycoside
derived
from
root
Acanthopanax
senticosus.
It
has
antioxidant,
anti-apoptotic,
anti-inflammatory
properties.
However,
whether
it
preventive
effect
on
PD
remains
unclear.
The
present
study
found
that
SRG
reversed
increase
intracellular
ROS-caused
apoptosis
SH-SY5Y
cells
induced
by
neurotoxin
6-OHDA
exposure.
Likewise,
C.
elegans,
degeneration
DA
neurons,
DA-related
food-sensitive
behaviors,
longevity,
accumulation
α-synuclein
were
also
improved.
Studies
neuroprotective
mechanisms
have
shown
can
reverse
suppressed
expression
SIRT1,
Beclin-1,
other
markers
6-OHDA-exposed
cells.
Thus,
these
enhanced
formation
vacuoles
activity.
This
protective
blocked
pretreatment
wortmannin
(an
autophagosome
blocker)
bafilomycin
A1
autophagosome-lysosome
fusion
blocker).
In
addition,
increases
acetylation
leading
its
inactivation.
induce
SIRT1
promote
deacetylation
Beclin-1.
Finally,
we
reduced
6-OHDA-induced
miR-34a
targeting
SIRT1.
overexpression
mimic
abolishes
ability
SRG.
conclusion,
induces
via
partially
regulating
miR-34a/SIRT1/Beclin-1
axis
prevent
accumulation.
opportunity
established
as
candidate
agent
for
prevention
cure
PD.
npj Parkinson s Disease,
Journal Year:
2024,
Volume and Issue:
10(1)
Published: Aug. 17, 2024
Human
disease-associated
gene
data
are
accessible
through
databases,
including
the
Open
Targets
Platform,
DisGeNET,
miRTex,
RNADisease,
and
PubChem.
However,
missing
entries
in
such
databases
anticipated
because
of
curational
errors,
biases,
text-mining
failures.
Additionally,
extensive
research
on
human
diseases
has
led
to
challenges
registering
comprehensive
data.
The
lack
essential
hinders
knowledge
sharing
should
be
addressed.
Therefore,
we
propose
an
analysis
pipeline
explore
unexploited
genes
databases.
Using
this
for
Parkinson's
disease
with
oxidative
stress
revealed
two
genes:
nuclear
protein
1
(NUPR1)
ubiquitin-like
PHD
ring
finger
domains
2
(UHRF2).
This
methodology
enhances
identification
underrepresented
genes,
facilitating
easier
access
potential
disease-related
functional
genes.
study
aims
identify
further
does
not
include
independent
experimental
validation.