Advanced Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 4, 2024
Abstract
Diabetic
cardiomyopathy
(DCM),
a
severe
complication
of
diabetes,
is
characterized
by
mitochondrial
dysfunction,
oxidative
stress,
and
DNA
damage.
Despite
its
severity,
the
intrinsic
factors
governing
cardiomyocyte
damage
in
DCM
remain
unclear.
It
hypothesized
that
impaired
iron–sulfur
(Fe–S)
cluster
synthesis
plays
crucial
role
pathogenesis
DCM.
Reduced
S‐sulfhydration
cysteine
desulfurase
(NFS1)
novel
mechanism
contributes
to
dysfunction
PARthanatos
Mechanistically,
hydrogen
sulfide
(H
2
S)
supplementation
restores
NFS1
at
383
residue,
thereby
enhancing
Fe–S
synthesis,
improving
function,
increasing
viability,
alleviating
cardiac
This
study
provides
insights
into
interplay
between
clusters,
PARthanatos,
highlighting
promising
therapeutic
target
for
paving
way
potential
clinical
interventions
improve
patient
outcomes.
Chemical Reviews,
Journal Year:
2024,
Volume and Issue:
124(7), P. 4124 - 4257
Published: March 21, 2024
Hydrogen
sulfide
(H2S)
is
not
only
a
well-established
toxic
gas
but
also
an
important
small
molecule
bioregulator
in
all
kingdoms
of
life.
In
contemporary
biology,
H2S
often
classified
as
"gasotransmitter,"
meaning
that
it
endogenously
produced
membrane
permeable
carries
out
essential
cellular
processes.
Fluorescent
probes
for
and
related
reactive
sulfur
species
(RSS)
detection
provide
cornerstone
investigating
the
multifaceted
roles
these
molecules
complex
biological
systems.
A
now
common
approach
to
develop
such
tools
"activity-based
probes"
couple
specific
H2S-mediated
chemical
reaction
fluorescent
output.
This
Review
covers
different
types
highlights
mechanisms
by
which
each
probe
type
activated
RSS.
Common
examples
include
reduction
oxidized
nitrogen
motifs,
disulfide
exchange,
electrophilic
reactions,
metal
precipitation,
coordination.
addition,
we
outline
complementary
activity-based
imaging
reductant-labile
sulfane
species,
including
persulfides
polysulfides.
For
highlighted
this
Review,
focus
on
systems
with
demonstrated
compatibility
or
applications.
Building
from
breadth
reported
strategies
application,
highlight
key
unmet
challenges
future
opportunities
advancing
Redox Biology,
Journal Year:
2023,
Volume and Issue:
59, P. 102601 - 102601
Published: Jan. 7, 2023
Hydrogen
sulfide
(H2S)
is
an
important
signaling
molecule
in
colorectal
cancer
(CRC).
It
produced
the
colon
by
catalytic
synthesis
of
colonocytes'
enzymatic
systems
and
release
intestinal
microbes,
oxidatively
metabolized
mitochondria.
Both
endogenous
H2S
colonic
epithelial
cells
exogenous
lumen
contribute
to
onset
progression
CRC.
The
up-regulation
synthetases
thought
be
cause
elevated
levels
CRC
cells.
Different
diagnostic
probes
combination
therapies,
as
well
tumor
treatment
approaches
through
modulation,
have
been
developed
recent
years
become
active
area
investigation
for
diagnosis
In
this
review,
we
focus
on
specific
mechanisms
production
oxidative
metabolism
function
occurrence,
progression,
diagnosis,
We
also
discuss
present
challenges
provide
insights
into
future
research
burgeoning
field.
Redox Biology,
Journal Year:
2024,
Volume and Issue:
70, P. 103066 - 103066
Published: Jan. 29, 2024
Recent
studies
have
demonstrated
that
ferroptosis,
a
novel
form
of
nonapoptotic
regulated
cell
death
plays
an
important
role
in
doxorubicin
(DOX)-induced
cardiotoxicity
(DoIC).
Hydrogen
sulfide
(H
Acta Biomaterialia,
Journal Year:
2022,
Volume and Issue:
154, P. 259 - 274
Published: Nov. 17, 2022
Traumatic
brain
injury
(TBI)
remains
the
major
cause
of
disability
and
mortality
worldwide
due
to
persistent
neuroinflammation
neuronal
death
induced
by
TBI.
Among
them,
pyroptosis,
a
specific
type
programmed
cell
(PCD)
triggered
inflammatory
signals,
plays
significant
part
in
pathological
process
after
Inhibition
pyroptosis
is
considered
possible
strategy
for
treatment
In
our
previous
study,
exogenous
hydrogen
sulfide(H2S)
exerted
neuroprotective
effect
Here,
we
developed
surface-fill
H2S-releasing
silk
fibroin
(SF)
hydrogel
(H2S@SF
hydrogel)
achieve
small-dose
local
administration
avoid
volatile
toxic
side
effects.
We
used
controlled
cortical
impact
(CCI)
establish
mild
TBI
model
mice
examine
H2S@SF
on
TBI-induced
pyroptosis.
found
that
inhibited
expression
H2S
synthase
neurons
significantly
addition,
immunofluorescence
staining
results
showed
necroptosis
protein
receptor-interacting
serine/threonine-protein
kinase
1
(RIPK1)
partially
colocalized
with
Gasdermin
D
(GSDMD)
same
cells.
can
also
inhibit
protein.
Moreover,
alleviates
edema
degree
neurodegeneration
acute
phase
The
was
further
confirmed
wire-grip
test,
open
field
Morris
water
maze,
beam
balance
radial
arm
tail
suspension,
forced
swimming
test.
Lastly,
measured
spared
tissue
volume,
reactive
astrocytes
activated
microglia
demonstrate
impacts
long-term
prognosis
Our
study
provides
new
theoretical
basis
clinical
application
hydrogel.
STATEMENT
OF
SIGNIFICANCE:
Silk
controls
release
sulfide
(H2S)
injured
tissue.
this
synthesized
hydrogel,
which
could
slowly
reshape
homeostasis
endogenous
mouse
traumatic
injury.
Meanwhile,
alleviate
neurodegeneration,
improve
motor
dysfunction,
anxious
behavior
memory
impairment
caused
TBI,
reduce
loss
ameliorate
neuroinflammation.
Pharmacological Research,
Journal Year:
2023,
Volume and Issue:
192, P. 106788 - 106788
Published: May 3, 2023
Senescence
of
bone
marrow
mesenchymal
stem
cells
(BMSCs)
is
one
the
leading
causes
osteoporosis.
SIRT3,
an
essential
NAD-dependent
histone
deacetylase,
highly
correlated
with
BMSC
senescence-mediated
degradation
and
mitochondrial/heterochromatic
disturbance.
S-sulfhydration
cysteine
residues
favorably
enhances
SIRT3
activity
by
forming
persulfides.
Nevertheless,
underlying
molecular
mechanism
on
homeostasis
involved
in
senescence
remains
unknown.
Here,
we
demonstrated
that
CBS
CSE,
endogenous
hydrogen
sulfide
synthases,
are
downregulated
senescence.
Exogenous
H2S
donor
NaHS-mediated
augmentation
rescued
senescent
phenotypes
BMSCs.
Conversely,
deletion
accelerated
oxidative
stress-induced
through
mitochondrial
dysfunction
detachment
heterochromatic
protein
H3K9me3
from
nuclear
envelope
Lamin
B1.
H2S-mediated
modification
disorganized
heterochromatin
fragmented
mitochondria
induced
inhibitor
dithiothreitol,
thus
to
elevated
osteogenic
capacity
preventing
The
antisenescence
effect
BMSCs
was
abolished
when
CXXC
sites
zinc
finger
motif
were
mutated.
In
vivo,
aged
mice-derived
pretreated
NaHS
orthotopically
transplanted
ovariectomy-induced
osteoporotic
mice,
proved
ameliorates
loss
inhibiting
Overall,
our
study
for
first
time
indicates
a
novel
role
stabilizing
counteracting
senescence,
providing
potential
target
treatment
degenerative
diseases.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(21)
Published: Feb. 10, 2023
Abstract
Photoacoustic
(PA)
imaging
is
an
emerging
biomedical
technique
with
the
features
of
non‐invasiveness
and
non‐ionization.
It
takes
advantage
photothermal
effect
PA
probes
to
convert
absorbed
photon
energy
into
heat
subsequent
transient
thermoelastic
tissue
expansion
for
ultrasonic
waves
images.
Thus,
exhibits
combined
superiority
high‐contrast
optical
deep
penetration
acoustic
imaging,
which
furnishes
high‐resolution
Stimuli‐responsive
organic
agents
in
near‐infrared
(NIR)
biological
window
have
attracted
increasing
attention
because
their
low
toxicity
response
characteristics.
This
review
focuses
on
recent
research
progress
stimuli‐responsive
NIR
including
temperature
response,
pH
redox
metal
ion
enzyme
response.
And
mechanisms
are
highlighted
detail.
Moreover,
perspectives
challenges
discussed.
will
be
great
help
further
development
stimuli‐response.
Expert Reviews in Molecular Medicine,
Journal Year:
2024,
Volume and Issue:
26
Published: Jan. 1, 2024
Abstract
Deubiquitinases
are
a
group
of
proteins
that
identify
and
digest
monoubiquitin
chains
or
polyubiquitin
attached
to
substrate
proteins,
preventing
the
protein
from
being
degraded
by
ubiquitin-proteasome
system.
regulate
cellular
autophagy,
metabolism
oxidative
stress
acting
on
different
proteins.
Recent
studies
have
revealed
deubiquitinases
act
as
critical
regulator
in
various
cardiac
diseases,
control
onset
progression
disease
through
board
range
mechanism.
This
review
summarizes
function
disease,
including
hypertrophy,
myocardial
infarction
diabetes
mellitus-related
disease.
Besides,
this
briefly
recapitulates
role
modulators
providing
potential
therapeutic
targets
future.