The FASEB Journal,
Journal Year:
2025,
Volume and Issue:
39(5)
Published: March 1, 2025
Abstract
Aging
is
a
biological
process
along
with
systemic
and
multiple
organ
dysfunction.
It
more
recognized
that
aging
disease
instead
of
single‐organ
functional
disorder.
Systemic
plays
profound
role
in
diseases
including
neurodegenerative
diseases,
cardiovascular
malignant
diseases.
Aged
organs
communicate
other
accelerate
aging.
Skeletal
muscle,
heart,
bone
marrow,
skin,
liver
each
through
organ–organ
crosstalk.
The
crosstalk
can
be
mediated
by
metabolites
lipids,
glucose,
short‐chain
fatty
acids
(SCFA),
inflammatory
cytokines,
exosomes.
Metabolic
disorders
hyperglycemia,
hyperinsulinemia,
hypercholesterolemia
caused
chronic
hallmarks
leads
to
the
destruction
hemostasis,
causes
release
senescence‐associated
secretory
phenotype
(SASP),
imbalance
microbiota
composition.
Released
factors
further
aggregate
senescence,
which
promotes
solid
organs.
Targeting
senescence
or
delaying
emerging
as
critical
health
strategy
for
solving
age‐related
especially
old
population.
In
current
review,
we
will
delineate
mechanisms
provide
therapeutic
targets
Genes & Diseases,
Journal Year:
2023,
Volume and Issue:
11(4), P. 101122 - 101122
Published: Sept. 21, 2023
In
recent
years,
researchers
have
become
focused
on
the
relationship
between
lipids
and
bone
metabolism
balance.
Moreover,
many
diseases
related
to
lipid
disorders,
such
as
nonalcoholic
fatty
liver
disease,
atherosclerosis,
obesity,
menopause,
are
associated
with
osteoporotic
phenotypes.
It
has
been
clinically
observed
in
humans
that
these
disorders
promote
changes
osteoporosis-related
indicators
mineral
density
mass.
Furthermore,
similar
phenotype
were
high-fat
high-cholesterol-induced
animal
models.
Abnormal
(such
increased
oxidized
elevated
plasma
cholesterol)
affects
microenvironment
homeostasis
via
cross-organ
communication,
promoting
differentiation
of
mesenchymal
stem
cells
adipocytes,
inhibiting
commitment
towards
osteoblasts.
disturbances
affect
balance
by
secretion
cytokines
receptor
activator
nuclear
factor-kappa
B
ligand
osteoblasts
stimulating
osteoclasts.
Conclusively,
this
review
addresses
possible
link
osteoporosis
elucidates
potential
modulatory
mechanisms
signaling
pathways
which
We
also
summarize
approaches
prospects
intervening
for
treatment.
Nature Aging,
Journal Year:
2024,
Volume and Issue:
4(11), P. 1562 - 1581
Published: Sept. 12, 2024
The
accumulation
and
systemic
propagation
of
senescent
cells
contributes
to
physiological
aging
age-related
pathology.
However,
which
cell
types
are
most
susceptible
the
aged
milieu
could
be
responsible
for
senescence
has
remained
unclear.
Here
we
found
that
physiologically
bone
marrow
monocytes/macrophages
(BMMs)
propagate
multiple
tissues,
through
extracellular
vesicles
(EVs),
drive
age-associated
dysfunction
in
mice.
We
identified
peroxisome
proliferator-activated
receptor
α
(PPARα)
as
a
target
microRNAs
within
BMM-EVs
regulates
downstream
effects
on
dysfunction.
Demonstrating
therapeutic
potential,
report
treatment
with
PPARα
agonist
fenofibrate
effectively
restores
tissue
homeostasis
Suggesting
conservation
humans,
cohort
study
7,986
participants,
use
is
associated
reduced
risk
chronic
disease
higher
life
expectancy.
Together,
our
findings
establish
BMMs
can
distant
tissues
cause
dysfunction,
they
provide
supportive
evidence
extend
healthy
lifespan.
Bone Research,
Journal Year:
2024,
Volume and Issue:
12(1)
Published: Aug. 5, 2024
Abstract
Ageing
as
a
natural
irreversible
process
inherently
results
in
the
functional
deterioration
of
numerous
organ
systems
and
tissues,
including
skeletal
immune
systems.
Recent
studies
have
elucidated
intricate
bidirectional
interactions
between
these
two
In
this
review,
we
provide
comprehensive
synthesis
molecular
mechanisms
cell
ageing.
We
further
discuss
how
age-related
changes
influence
system
consequent
impact
alterations
on
system.
Finally,
highlight
clinical
implications
findings
propose
potential
strategies
to
promote
healthy
ageing
reduce
pathologic
both
Bone Research,
Journal Year:
2024,
Volume and Issue:
12(1)
Published: Jan. 25, 2024
Abstract
Skeletal
stem/progenitor
cell
(SSPC)
senescence
is
a
major
cause
of
decreased
bone
regenerative
potential
with
aging,
but
the
causes
SSPC
remain
unclear.
In
this
study,
we
revealed
that
macrophages
in
calluses
secrete
prosenescent
factors,
including
grancalcin
(GCA),
during
which
triggers
and
impairs
fracture
healing.
Local
injection
human
rGCA
young
mice
induced
delayed
repair.
Genetic
deletion
Gca
monocytes/macrophages
was
sufficient
to
rejuvenate
repair
aged
alleviate
senescence.
Mechanistically,
GCA
binds
plexin-B2
receptor
activates
Arg2-mediated
mitochondrial
dysfunction,
resulting
cellular
Depletion
Plxnb2
SSPCs
impaired
Administration
GCA-neutralizing
antibody
enhanced
healing
mice.
Thus,
our
study
senescent
within
trigger
secondary
senescence,
neutralization
represents
promising
therapy
for
nonunion
or
union
elderly
individuals.
Cell Research,
Journal Year:
2025,
Volume and Issue:
35(1), P. 23 - 44
Published: Jan. 2, 2025
Abstract
Glucocorticoids
(GCs)
are
the
most
prescribed
anti-inflammatory
and
immunosuppressive
drugs.
However,
their
use
is
often
limited
by
substantial
side
effects,
such
as
GC-induced
osteoporosis
(GIO)
with
underlying
mechanisms
still
not
fully
understood.
In
this
study,
we
identify
Tau
a
low-affinity
binding
receptor
for
GCs
that
plays
crucial
role
in
GIO.
deficiency
largely
abolished
bone
loss
induced
high-dose
dexamethasone,
synthetic
GC,
both
inflammatory
arthritis
GIO
models.
Furthermore,
TRx0237,
inhibitor
identified
from
an
FDA-approved
drug
library,
effectively
prevented
Notably,
combinatorial
administration
of
TRx0237
dexamethasone
completely
overcame
adverse
effect
treating
arthritis.
These
findings
present
previously
unrecognized
GC
low
affinity,
provide
potential
strategies
to
mitigate
spectrum
GC-related
particularly
osteoporosis.
Journal of Clinical Investigation,
Journal Year:
2023,
Volume and Issue:
133(23)
Published: Oct. 10, 2023
Brain
vascular
calcification
is
a
prevalent
age-related
condition
often
accompanying
neurodegenerative
and
neuroinflammatory
diseases.
The
pathogenesis
of
large-vessel
calcifications
in
peripheral
tissue
well
studied,
but
microvascular
the
brain
remains
poorly
understood.
Here,
we
report
that
elevated
platelet-derived
growth
factor
BB
(PDGF-BB)
from
bone
preosteoclasts
contributed
to
cerebrovascular
male
mice.
Aged
mice
had
higher
serum
PDGF-BB
levels
incidence
compared
with
young
mice,
mainly
thalamus.
Transgenic
preosteoclast-specific
Pdgfb
overexpression
exhibited
recapitulated
age-associated
thalamic
calcification.
Conversely,
deletion
displayed
diminished
In
an
ex
vivo
cerebral
culture
system,
dose-dependently
promoted
Analysis
osteogenic
gene
array
single-cell
RNA-Seq
(scRNA-Seq)
revealed
upregulated
multiple
differentiation
genes
phosphate
transporter
Slc20a1
microvessels.
Mechanistically,
stimulated
phosphorylation
its
receptor
PDGFRβ
(p-PDGFRβ)
ERK
(p-ERK),
leading
activation
RUNX2.
This
activation,
turn,
induced
transcription
osteoblast
PCs
astrocytes.
Thus,
bone-derived
by
activating
p-PDGFRβ/p-ERK/RUNX2
signaling
cascade
cells.
Calcified Tissue International,
Journal Year:
2023,
Volume and Issue:
113(1), P. 68 - 82
Published: May 31, 2023
Abstract
Senescence
is
a
complex
cell
state
characterized
by
stable
cycle
arrest
and
unique
secretory
pattern
known
as
the
senescence-associated
phenotype
(SASP).
The
SASP
factors,
which
are
heterogeneous
tissue
specific,
normally
include
chemokines,
cytokines,
growth
adhesion
molecules,
lipid
components
that
can
lead
to
multiple
age-associated
disorders
eliciting
local
systemic
consequences.
skeleton
highly
dynamic
organ
changes
constantly
in
shape
composition.
Senescent
cells
bone
marrow
produce
diverse
factors
induce
alterations
of
through
paracrine
effects.
Herein,
we
refer
cell-associated
“bone-SASP.”
In
this
review,
describe
current
knowledge
cellular
senescence
SASP,
focusing
on
role
senescent
mediating
pathologies
during
natural
aging
premature
syndromes.
We
also
summarize
bone-SASP
glucocorticoids-induced
damage.
addition,
discuss
development
osteoarthritis,
highlighting
mechanisms
drives
subchondral
metabolic
syndrome-associated
osteoarthritis.
Bone Research,
Journal Year:
2024,
Volume and Issue:
12(1)
Published: Dec. 3, 2024
Abstract
Osteoarthritis
(OA)
poses
a
significant
challenge
in
orthopedics.
Inflammatory
pathways
are
regarded
as
central
mechanisms
the
onset
and
progression
of
OA.
Growing
evidence
suggests
that
senescence
acts
mediator
inflammation-induced
Given
lack
effective
treatments
for
OA,
there
is
an
urgent
need
clearer
understanding
its
pathogenesis.
In
this
review,
we
systematically
summarize
cross-talk
between
cellular
inflammation
We
begin
by
focusing
on
hallmarks
senescence,
summarizing
supports
relationship
inflammation.
then
discuss
interaction
inflammation,
including
senescence-associated
secretory
phenotypes
(SASP)
effects
pro-
anti-inflammatory
interventions
senescence.
Additionally,
focus
various
types
cartilage,
subchondral
bone,
synovium,
infrapatellar
fat
pad,
stem
cells,
immune
elucidating
their
impacts
Finally,
highlight
potential
therapies
targeting
senescent
cells
OA
strategy
promoting
cartilage
regeneration.