Cancers,
Journal Year:
2022,
Volume and Issue:
14(3), P. 605 - 605
Published: Jan. 25, 2022
Drug-induced
senescence
program
may
be
activated
both
in
normal
and
cancer
cells
as
a
consequence
of
chemotherapeutic
treatment,
leading
to
some
adverse
side
effects
such
senescence-associated
secretory
phenotype
(SASP),
secondary
senescence,
promotion.
Targeted
elimination
senescent
can
achieved
by
drugs
with
senolytic
activity
(senolytics),
for
example,
the
plant-derived
natural
compound
quercetin,
especially
when
co-treated
kinase
inhibitor
dasatinib.
In
present
study,
three
quercetin
derivatives
were
synthesized
tested
improved
action
against
etoposide-induced
human
mammary
epithelial
triple-negative
breast
vitro.
Transformation
catechol
moiety
into
diphenylmethylene
ketal
addition
acetyl
groups
molecule
(QD3
derivative)
promoted
clearance
judged
increased
apoptosis
compared
etoposide-treated
cells.
A
QD3-mediated
effect
was
accompanied
decreased
SA-beta
galactosidase
levels
p27,
IL-1β,
IL-8,
HSP70
Similar
not
observed
conclusion,
novel
agent
QD3
described
acting
Thus,
new
one-two
punch
anti-cancer
strategy
based
on
combined
pro-senescence
drug
is
proposed.
Journal of Clinical Investigation,
Journal Year:
2022,
Volume and Issue:
132(15)
Published: July 31, 2022
Cellular
senescence
is
a
hallmark
of
aging
defined
by
stable
exit
from
the
cell
cycle
in
response
to
cellular
damage
and
stress.
Senescent
cells
(SnCs)
can
develop
characteristic
pathogenic
senescence-associated
secretory
phenotype
(SASP)
that
drives
secondary
disrupts
tissue
homeostasis,
resulting
loss
repair
regeneration.
The
use
transgenic
mouse
models
which
SnCs
be
genetically
ablated
has
established
key
role
for
driving
age-related
disease.
Importantly,
senotherapeutics
have
been
developed
pharmacologically
eliminate
SnCs,
termed
senolytics,
or
suppress
SASP
other
markers
senescence,
senomorphics.
Based
on
extensive
preclinical
studies
as
well
small
clinical
trials
demonstrating
benefits
senotherapeutics,
multiple
are
under
way.
This
Review
discusses
diseases,
strategies
target
approaches
discover
advances
senolytics.
Nature Metabolism,
Journal Year:
2021,
Volume and Issue:
3(12), P. 1706 - 1726
Published: Dec. 6, 2021
Abstract
Ageing-associated
functional
decline
of
organs
and
increased
risk
for
age-related
chronic
pathologies
is
driven
in
part
by
the
accumulation
senescent
cells,
which
develop
senescence-associated
secretory
phenotype
(SASP).
Here
we
show
that
procyanidin
C1
(PCC1),
a
polyphenolic
component
grape
seed
extract
(GSE),
increases
healthspan
lifespan
mice
through
its
action
on
cells.
By
screening
library
natural
products,
find
GSE,
PCC1
as
one
active
components,
have
specific
effects
At
low
concentrations,
appears
to
inhibit
SASP
formation,
whereas
it
selectively
kills
cells
at
higher
possibly
promoting
production
reactive
oxygen
species
mitochondrial
dysfunction.
In
rodent
models,
depletes
treatment-damaged
tumour
microenvironment
enhances
therapeutic
efficacy
when
co-administered
with
chemotherapy.
Intermittent
administration
either
irradiated,
cell-implanted
or
naturally
aged
old
alleviates
physical
dysfunction
prolongs
survival.
We
identify
senotherapeutic
agent
vivo
activity
high
potential
further
development
clinical
intervention
delay,
alleviate
prevent
pathologies.
International Journal of Molecular Sciences,
Journal Year:
2021,
Volume and Issue:
22(23), P. 12641 - 12641
Published: Nov. 23, 2021
The
skin,
being
the
barrier
organ
of
body,
is
constitutively
exposed
to
various
stimuli
impacting
its
morphology
and
function.
Senescent
cells
have
been
found
accumulate
with
age
may
contribute
age-related
skin
changes
pathologies.
Natural
polyphenols
exert
many
health
benefits,
including
ameliorative
effects
on
aging.
By
affecting
molecular
pathways
senescence,
are
able
prevent
or
delay
senescence
formation
and,
consequently,
avoid
ameliorate
aging
age-associated
pathologies
skin.
This
review
aims
provide
an
overview
current
state
knowledge
in
cellular
summarize
recent
vitro
studies
related
anti-senescent
mechanisms
natural
carried
out
keratinocytes,
melanocytes
fibroblasts.
Aged
context
COVID-19
pandemic
will
be
also
discussed.
Ageing Research Reviews,
Journal Year:
2024,
Volume and Issue:
97, P. 102315 - 102315
Published: April 26, 2024
Lung
cancer
stands
as
the
primary
contributor
to
cancer-related
fatalities
worldwide,
affecting
both
genders.
Two
types
exist
where
non-small
cell
lung
(NSCLC),
accounts
for
80–85%
and
SCLC
10-15%
of
cases.
NSCLC
subtypes
include
adenocarcinoma,
squamous
carcinoma,
large
carcinoma.
Smoking,
second-hand
smoke,
radon
gas,
asbestos,
other
pollutants,
genetic
predisposition,
COPD
are
risk
factors.
On
hand,
stresses
such
DNA
damage,
telomere
shortening,
oncogene
activation
cause
a
prolonged
cycle
halt,
known
senescence.
Despite
its
initial
role
tumor-suppressing
mechanism
that
slows
growth,
excessive
or
improper
control
this
process
can
age-related
diseases,
including
cancer.
Cellular
senescence
has
two
purposes
in
Researchers
report
tumor
growth
by
constraining
multiplication
impaired
cells.
However,
senescent
cells
also
demonstrate
pro-inflammatory
senescence-associated
secretory
phenotype
(SASP),
which
is
widely
reported
promote
This
review
will
look
at
cellular
cancer,
describe
diagnostic
markers,
ask
about
current
treatments
it,
case
studies
clinical
trials
show
how
senescence-targeting
therapies
be
used
talk
problems
currently
being
faced,
possible
solutions
same
future.
Nanomaterials,
Journal Year:
2019,
Volume and Issue:
9(12), P. 1791 - 1791
Published: Dec. 16, 2019
Functionalization
of
nanomaterials
can
enhance
and
modulate
their
properties
behaviour,
enabling
characteristics
suitable
for
medical
applications.
Magnetite
(Fe3O4)
nanoparticles
are
one
the
most
popular
types
used
in
this
field,
many
technologies
being
already
translated
clinical
practice.
This
article
makes
a
summary
surface
modification
functionalization
approaches
presented
lately
scientific
literature
improving
or
modulating
magnetite
applications
nanomedicine.
International Journal of Molecular Sciences,
Journal Year:
2021,
Volume and Issue:
22(13), P. 6814 - 6814
Published: June 25, 2021
Skin
aging
is
associated
with
the
accumulation
of
senescent
cells
and
related
to
many
pathological
changes,
including
decreased
protection
against
pathogens,
increased
susceptibility
irritation,
delayed
wound
healing,
cancer
susceptibility.
Senescent
secrete
a
specific
set
pro-inflammatory
mediators,
referred
as
senescence-associated
secretory
phenotype
(SASP),
which
can
cause
profound
changes
in
tissue
structure
function.
Thus,
drugs
that
selectively
eliminate
(senolytics)
or
neutralize
SASP
(senostatics)
represent
an
attractive
therapeutic
strategy
for
age-associated
skin
deterioration.
There
growing
evidence
plant-derived
compounds
(flavonoids)
slow
down
even
prevent
aging-associated
deterioration
appearance
function
by
targeting
cellular
pathways
crucial
regulating
senescence
SASP.
This
review
summarizes
senostatic
senolytic
potential
flavonoids
context
preventing
aging.
Nutrients,
Journal Year:
2021,
Volume and Issue:
13(12), P. 4550 - 4550
Published: Dec. 18, 2021
The
role
of
the
microbiome
in
human
aging
is
important:
directly
impacts
through
gastrointestinal
system.
However,
microbial
impact
on
skin
has
yet
to
be
fully
understood.
For
example,
cellular
senescence
an
intrinsic
process
that
been
recently
associated
with
imbalance.
With
age,
cells
become
senescent
response
stress
wherein
they
undergo
irreversible
growth
arrest
while
maintaining
high
metabolic
activity.
An
accumulation
linked
various
and
chronic
pathologies
due
overexpression
senescence-associated
secretory
phenotype
(SASP)
comprised
proinflammatory
cytokines,
chemokines,
factors,
proteases,
lipids
extracellular
matrix
components.
In
particular,
dermatological
disorders
may
promoted
by
as
a
common
site
accumulation.
gut
microbiota
influences
disruption
gut-skin
axis
secretion
metabolites.
Metabolomics
can
used
identify
quantify
metabolites
involved
senescence.
Moreover,
novel
anti-senescent
therapeutics
are
warranted
given
poor
safety
profiles
current
pharmaceutical
drugs.
Probiotics
prebiotics
effective
alternatives,
considering
relationship
between
healthy
aging.
further
research
composition
under
status
needed
develop
immunomodulatory
therapies.
Aging Cell,
Journal Year:
2023,
Volume and Issue:
22(6)
Published: April 11, 2023
Abstract
Despite
the
growing
interest
by
researchers
into
cellular
senescence,
a
hallmark
of
aging,
its
role
in
human
skin
remains
equivocal.
The
is
largest
and
most
accessible
organ,
reacting
to
external
internal
environment.
Hence,
it
an
organ
choice
investigate
senescence
target
root‐cause
aging
processes
using
senolytic
senomorphic
agents,
including
naturally
occurring
plant‐based
derivatives.
This
review
presents
different
aspects
from
physiology
pathology
signaling
pathways.
Cellular
can
have
both
beneficial
detrimental
effects
on
skin,
indicating
that
prosenescent
antisenescent
therapies
may
be
desirable,
based
context.
Knowledge
molecular
mechanisms
involved
provide
meaningful
insights
for
developing
effective
therapeutics
senescence‐related
disorders,
such
as
wound
healing
cosmetic
changes.