Angewandte Chemie,
Journal Year:
2023,
Volume and Issue:
135(50)
Published: Sept. 1, 2023
Abstract
Reactive
X
species
(RXS),
encompassing
elements
such
as
O,
N,
C,
S,
Se,
Cl,
Br,
I,
and
H,
play
vital
roles
in
cell
biology
physiological
function,
impacting
cellular
signal
transduction,
metabolic
regulation,
disease
processes.
The
redox
unbalance
of
RXS
is
firmly
implicated
an
assortment
pathological
disorders,
including
cancer,
diabetes,
cardiovascular
disease,
neurodegenerative
diseases.
However,
the
intricate
nature
multifactorial
dependence
pose
challenges
comprehending
precisely
modulating
their
biological
behavior.
Nanomaterials
with
distinct
characteristics
biofunctions
offer
promising
avenues
for
generating
or
scavenging
to
maintain
homeostasis
advance
therapy.
This
minireview
provides
a
tutorial
summary
relevant
chemistry
specific
mechanisms
governing
different
RXS,
focusing
on
stress
responses,
role
nanomedicine
generation
elimination.
associated
chemically
regulating
diverse
treatments
are
further
discussed
along
future
prospects,
aiming
facilitate
clinical
translation
RXS‐based
open
new
improved
therapeutic
interventions.
Advanced Science,
Journal Year:
2024,
Volume and Issue:
11(16)
Published: Feb. 21, 2024
Abstract
Cancer
cells
typically
display
redox
imbalance
compared
with
normal
due
to
increased
metabolic
rate,
accumulated
mitochondrial
dysfunction,
elevated
cell
signaling,
and
accelerated
peroxisomal
activities.
This
may
regulate
gene
expression,
alter
protein
stability,
modulate
existing
cellular
programs,
resulting
in
inefficient
treatment
modalities.
Therapeutic
strategies
targeting
intra‐
or
extracellular
states
of
cancer
at
varying
state
progression
trigger
programmed
death
if
exceeded
a
certain
threshold,
enabling
therapeutic
selectivity
overcoming
resistance
radiotherapy
chemotherapy.
Nanotechnology
provides
new
opportunities
for
modulating
their
excellent
designability
high
reactivity.
Various
nanomaterials
are
widely
researched
enhance
highly
reactive
substances
(free
radicals)
production,
disrupt
the
endogenous
antioxidant
defense
systems,
both.
Here,
physiological
features
described
challenges
illustrated.
Then,
that
classified
elaborated
upon
based
on
ability
target
regulations.
Finally,
future
perspectives
this
field
proposed.
It
is
hoped
review
guidance
design
nanomaterials‐based
approaches
involving
therapy,
especially
cancers
resistant
chemotherapy,
etc.
Antioxidants and Redox Signaling,
Journal Year:
2024,
Volume and Issue:
40(7-9), P. 369 - 432
Published: Feb. 1, 2024
Physiological
levels
of
reactive
oxygen
and
nitrogen
species
(ROS/RNS)
function
as
fundamental
messengers
for
many
cellular
developmental
processes
in
the
cardiovascular
system.
ROS/RNS
involved
cardiac
redox-signaling
originate
from
diverse
sources,
their
are
tightly
controlled
by
key
endogenous
antioxidant
systems
that
counteract
accumulation.
However,
dysregulated
redox-stress
resulting
inefficient
removal
leads
to
inflammation,
mitochondrial
dysfunction,
cell
death,
contributing
development
progression
disease
(CVD).
Journal of Advanced Research,
Journal Year:
2023,
Volume and Issue:
58, P. 105 - 115
Published: May 27, 2023
Diabetes
mellitus
(DM)
is
a
long-term
metabolic
disease
accompanied
by
difficulties
in
wound
healing
placing
severe
financial
and
physical
burden
on
patients.
As
one
of
the
important
signal
transduction
molecules,
both
endogenous
exogenous
hydrogen
sulfide
(H2S)
was
found
to
promote
diabetic
recent
studies.
H2S
at
physiological
concentrations
can
not
only
cell
migration
adhesion
functions,
but
also
resist
inflammation,
oxidative
stress
inappropriate
remodeling
extracellular
matrix.
The
purpose
this
review
summarize
current
research
function
all
stages,
propose
future
directions.
In
review,
first,
various
factors
affecting
under
pathological
conditions
vivo
generation
pathway
are
briefly
introduced.
Second,
how
may
improve
categorized
described.
Finally,
we
discuss
relevant
donors
new
dosage
forms,
analyze
reveal
characteristics
many
typical
donors,
which
provide
ideas
for
development
H2S-released
agents
healing.
Biology,
Journal Year:
2023,
Volume and Issue:
12(6), P. 875 - 875
Published: June 17, 2023
Redox
balance
is
important
for
the
homeostasis
of
normal
cells,
but
also
proliferation,
progression,
and
survival
cancer
cells.
Both
oxidative
reductive
stress
can
be
harmful
to
In
contrast
stress,
therapeutic
opportunities
underlying
mechanisms
in
cancer,
as
well
how
cells
respond
have
received
little
attention
are
not
characterized.
Therefore,
there
recent
interest
understanding
selective
induction
may
influence
treatment
disease
progression
cancer.
There
question
stress.
Selenium
compounds
been
shown
chemotherapeutic
effects
against
their
anticancer
mechanism
thought
related
formation
metabolites,
including
hydrogen
selenide
(H2Se),
which
a
highly
reactive
reducing
molecule.
Here,
we
highlight
reports
on
molecular
recognize
(1)
through
different
types
selenium
generate
H2Se
(2)
thus
selectively
affect
under
controlled
conditions,
effects.
Journal of the American Chemical Society,
Journal Year:
2023,
Volume and Issue:
145(24), P. 13435 - 13443
Published: June 9, 2023
Reactive
sulfur
species
(RSS)
and
reactive
selenium
(RSeS)
play
integral
roles
in
hydrogen
sulfide
(H2S)
selenide
(H2Se)
biological
signaling
pathways,
dichalcogenide
anions
are
proposed
transient
intermediates
that
facilitate
a
variety
of
biochemical
transformations.
Herein
we
report
the
selective
synthesis,
isolation,
spectroscopic
structural
characterization,
fundamental
reactivity
persulfide
(RSS-),
perselenide
(RSeSe-),
thioselenide
(RSSe-),
selenosulfide
(RSeS-)
anions.
The
isolated
chalcogenides
do
not
rely
on
steric
protection
for
stability
have
profiles
analogous
to
cysteine
(Cys).
Simple
reduction
S8
or
Se
by
potassium
benzyl
thiolate
(KSBn)
selenolate
(KSeBn)
presence
18-crown-6
afforded
[K(18-crown-6)][BnSS]
(1),
[K(18-crown-6)][BnSeSe]
(2),
[K(18-crown-6][BnSSe]
(3),
[K(18-crown-6][BnSeS]
(4).
chemical
structure
each
was
confirmed
X-ray
crystallography
solution-state
1H,
13C,
77Se
NMR
spectroscopy.
To
advance
our
understanding
these
species,
demonstrated
1-4
PPh3
readily
generates
E═PPh3
(E:
S,
Se),
1,
3,
4
DTT
produces
HE-/H2E.
Furthermore,
react
with
CN-
produce
ECN-,
which
is
consistent
detoxifying
effects
Rhodanese
enzyme.
Taken
together,
this
work
provides
new
insights
into
inherent
characteristics
dichalcogenides
relevant
biology
advances
properties
The Innovation Life,
Journal Year:
2024,
Volume and Issue:
2(3), P. 100076 - 100076
Published: Jan. 1, 2024
<p>The
hydrogen
sulfide
(H<sub>2</sub>S)-induced
defense
system
is
a
crucial
bacterial
pathway
that
leads
to
antibiotic
resistance.
Herein,
unique
S-Se-S
molecule,
namely,
2,2’-(selenobis(sulfanediyl))diacetic
acid
(Se-Acid),
first
reported
relieve
H<sub>2</sub>S-induced
resistance
by
acting
as
selenide
(H<sub>2</sub>Se)
donor.
The
molecular
structure
was
formed
using
the
carboxyl
terminal
an
electron
acceptor.
After
being
endocytosed
cells,
Se-Acid
effectively
released
H<sub>2</sub>Se
molecules
reacting
with
glutathione
(GSH).
increased
endocytosis
of
antibiotics
promoting
membrane
permeability.
Moreover,
reactivated
respiratory
flux
functioning
H<sub>2</sub>S
disguiser.
synergistic
effect
and
Gentamicin
(Gm)
on
antibiotic-resistant
MRSA
proven
MRSA<sup>S+</sup>
wound
infection
model.
Our
results
establish
type
potential
tools
for
addressing
challenge
reducing
risk
resistance.</p>
Metabolites,
Journal Year:
2022,
Volume and Issue:
12(9), P. 874 - 874
Published: Sept. 16, 2022
Selenium
(Se)
is
an
essential
element
for
human
health
as
it
involved
in
different
physiological
functions.
Moreover,
a
great
number
of
Se
compounds
can
be
considered
potential
agents
the
prevention
and
treatment
some
diseases.
It
widely
recognized
that
activity
related
to
multiple
factors,
such
its
chemical
form,
dose,
metabolism.
The
understanding
complex
biochemistry
necessary
has
been
demonstrated
metabolites
molecules
used
ones
exert
biological
activity.
Therefore,
aim
this
review
summarize
recent
information
about
most
remarkable
acknowledged
effects:
hydrogen
selenide
(HSe−/H2Se)
methylselenol
(CH3SeH).
In
addition,
special
attention
paid
main
seleno-containing
precursors
these
derivatives
their
role
pathologies.
Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
62(50)
Published: Sept. 1, 2023
Abstract
Reactive
X
species
(RXS),
encompassing
elements
such
as
O,
N,
C,
S,
Se,
Cl,
Br,
I,
and
H,
play
vital
roles
in
cell
biology
physiological
function,
impacting
cellular
signal
transduction,
metabolic
regulation,
disease
processes.
The
redox
unbalance
of
RXS
is
firmly
implicated
an
assortment
pathological
disorders,
including
cancer,
diabetes,
cardiovascular
disease,
neurodegenerative
diseases.
However,
the
intricate
nature
multifactorial
dependence
pose
challenges
comprehending
precisely
modulating
their
biological
behavior.
Nanomaterials
with
distinct
characteristics
biofunctions
offer
promising
avenues
for
generating
or
scavenging
to
maintain
homeostasis
advance
therapy.
This
minireview
provides
a
tutorial
summary
relevant
chemistry
specific
mechanisms
governing
different
RXS,
focusing
on
stress
responses,
role
nanomedicine
generation
elimination.
associated
chemically
regulating
diverse
treatments
are
further
discussed
along
future
prospects,
aiming
facilitate
clinical
translation
RXS‐based
open
new
improved
therapeutic
interventions.