Frontiers in Pharmacology,
Год журнала:
2024,
Номер
15
Опубликована: Дек. 23, 2024
Bone
homeostasis
encompasses
two
interrelated
aspects:
bone
remodeling
and
cartilage
metabolism.
Disruption
of
can
lead
to
the
development
metabolic
diseases
such
as
osteoporosis
osteoarthritis.
The
maintenance
is
a
complex
process
that
does
not
solely
rely
on
functions
tissue
itself.
In
fact,
an
isolated
entity;
it
closely
connected
other
tissues
in
body
via
exosomes.
Within
this
interconnectivity,
exosomes
derived
from
both
non-bone
cells
interfere
with
each
other,
forming
regulatory
network.
Therefore,
cell
origin
guiding
principle,
we
have
delineated
network
exosomes,
elaborated
specific
roles
mechanisms
common
types
(cells
within
skeletal
microenvironment,
stem
extra-osseous
tissues,
vascular-derived
cells,
muscle-derived
neurogenic
cells)
formation,
resorption,
We
also
discussed
challenges
faced
field
exosome
research
related
homeostasis,
unveiled
critical
role
maintaining
proposed
could
serve
highly
valuable
therapeutic
targets
for
diseases.
Frontiers in Pharmacology,
Год журнала:
2025,
Номер
15
Опубликована: Янв. 13, 2025
Adipose-derived
stem
cell
(ADSC)
transplantation
presents
a
promising
approach
for
osteoporosis
(OP)
treatment.
However,
the
therapeutic
efficacy
of
ADSCs
is
hindered
by
low
post-transplantation
survival
rates
and
limited
capacities
adhesion,
migration,
differentiation.
Icariin
(ICA),
primary
active
compound
Epimedium,
has
been
shown
to
promote
proliferation
induce
osteogenic
differentiation;
however,
its
specific
effects
on
ADSC
osteogenesis
mechanisms
which
ICA
enhances
treatment
through
remain
inadequately
understood.
This
study
investigates
different
concentrations
adipogenic
differentiation
rat
ADSCs,
aiming
elucidate
underlying
mechanisms.
were
isolated
from
female
SPF-grade
SD
rats,
with
surface
markers
identified
flow
cytometry.
Osteogenic
assessed
using
Alizarin
Red
Oil
O
staining,
respectively.
Third-generation
divided
into
five
groups:
control,
resveratrol
(100
μmol/L),
four
groups
(1,
10,
50,
100
μmol/L).
Western
blotting
was
performed
analyze
expression
factors
associated
Hippo-YAP/TAZ
signaling
pathway
marker
PPARγ.
Additionally,
labeled
lentiviruses
carrying
enhanced
green
fluorescent
protein
(EGFP)
5-bromo-2-deoxyuridine
(BrdU)
assess
their
in
vivo
distribution,
survival,
proliferation,
post-ICA
intervention.
In
vitro,
significantly
inhibited
Hippo
pathway,
reducing
YAP
TAZ
phosphorylation
enhancing
transcriptional
activity,
while
simultaneously
suppressing
promoted
adipogenesis
ADSCs.
vivo,
ICA-treated
demonstrated
effective
following
subcutaneous
injection
allogeneic
rats.
Our
demonstrates
that
inhibiting
adipogenesis,
providing
novel
insights
strategies
related
conditions.
Advanced Healthcare Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 19, 2025
Abstract
The
complex
composition
of
traditional
Chinese
medicines
(TCMs)
has
posed
challenges
for
in‐depth
study
and
global
application,
despite
their
abundance
bioactive
compounds
that
make
them
valuable
resources
disease
treatment.
To
overcome
these
obstacles,
it
is
essential
to
modernize
TCMs
by
focusing
on
precise
This
involves
elucidating
the
structure‐activity
relationships
within
compositions,
ensuring
accurate
in
vivo
delivery,
monitoring
delivery
process.
review
discusses
research
progress
precision
treatment
from
three
perspectives:
spatial
multi‐omics
technology
therapeutic
activity,
carrier
systems
medical
imaging
visualizing
aim
establish
a
novel
paradigm
advances
therapy
TCMs.
Chemical Communications,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Extracellular
vesicles
have
been
deemed
as
potential
drug
carriers
for
treatment
of
various
diseases.
Recent
advances
summarized,
including
the
sources,
delivery
function,
extraction
and
cargo-loading
technology
extracellular
vesicles.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 8, 2025
Abstract
During
pregnancy,
the
maternal
immune
system
adapts
to
balance
tolerance
of
semi-allogenic
fetus
while
protecting
from
pathogens.
Dysregulated
activity
at
maternal-fetal
interface
contributes
pregnancy
complications,
such
as
recurrent
loss
and
preeclampsia.
Compared
healthy
placentas,
preeclamptic
placentas
exhibit
increased
pro-inflammatory
signaling,
including
a
predominance
inflammatory
macrophages,
leading
impaired
tissue
remodeling
restricted
blood
flow.
However,
precise
mechanisms
driving
this
imbalance
remain
poorly
understood,
in
part
due
lack
tools
probe
individual
pathways.
Here,
we
use
lipid
nanoparticles
(LNPs)
deliver
cytokine-encoded
mRNA
placental
cells,
called
trophoblasts,
enabling
local
immunomodulation.
LNP-mediated
delivery
IL-4
IL-13
induced
cytokine
secretion
by
polarization
primary
human
monocytes
toward
anti-inflammatory
phenotypes.
Notably,
lowering
dose
expression
alternatively-activated
macrophage
markers,
revealing
an
inverse
relationship
between
status.
Intravenous
injection
LNPs
pregnant
mice
achieved
with
minimal
changes
cytokines
serum.
These
findings
establish
tool
for
immunomodulation
placenta,
offering
strategy
study
treat
dysfunction
other
conditions.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 25, 2025
Abstract
The
recruitment
of
endogenous
stem
cells
is
crucial
for
in‐situ
tissue
regeneration,
especially
addressing
the
limited
self‐repair
capacity
bone
and
cartilage.
However,
recruited
are
vulnerable
to
damage
from
oxidative
stress,
leading
a
loss
differentiation
potential.
Here,
well‐designed
strategy
presented
osteochondral
defect
repair
that
enhances
cell
recruitment,
protection,
differentiation.
Multivalent
DNA
aptamers
created
by
conjugating
tetrahedral
with
cell‐specific
aptamer,
Apt19s,
improve
binding
migration
in
vivo.
Additionally,
icariin
epigallocatechin
gallate
respectively
inserted
into
double
strands
PolyApt,
resulting
ATI
ATE,
which
effectively
scavenge
reactive
oxygen
species,
protect
promote
chondrocytes
osteoblasts.
Furthermore,
degradable
gradient
hydrogel
scaffold
based
on
gelatin
methacryloyl
poly(ethylene
glycol)
diacrylate
fabricated,
upper
layers
ATE
bottom
layers,
provide
early
mechanical
support
enhance
regeneration
upon
degradation.
Overall,
approach
recruiting,
protecting,
guiding
specific
represents
universal
offering
significant
potential
clinical
translation.
Biochemical and Biophysical Research Communications,
Год журнала:
2024,
Номер
733, С. 150623 - 150623
Опубликована: Сен. 2, 2024
After
prolonged
space
operations,
astronauts
showed
maladaptive
atrophy
within
mostly
left-ventricular
myocardium,
resulting
in
cardiac
dysfunction.
However,
the
mechanism
of
dysfunction
under
microgravity
conditions
is
unclear,
and
relevant
prevention
treatment
measures
also
need
to
be
explored.
Through
simulating
environment
with
a
tail
suspension
(TS)
model,
we
found
that
long-term
exposure
promotes
aging
mouse
hearts,
which
closely
related
The
intravenous
administration
adipose-derived
mesenchymal
stem
cells
(ADSCs)
emerged
preventive
therapeutic
effect
against
myocardial
senescence
decline
function.
Plasma
metabolomics
analysis
suggests
loss
NAD+
TS
mice
motivated
NAD
+
metabolism
utilization
ADSCs-treated
mice,
likely
accounting
for
ADSCs'
Oral
nicotinamide
mononucleotide
(NMN,
precursor)
similar
ADSCs
treatment.
Collectively,
these
data
implicate
microgravity-induced
provide
new
ideas
aging-related
remodeling.