Biomineral/VEGF-functionalized fiber - enhanced 3D printed GelMA hydrogel to facilitate bone regeneration through osteogenesis and angiogenesis modulation
International Journal of Biological Macromolecules,
Journal Year:
2025,
Volume and Issue:
unknown, P. 143991 - 143991
Published: May 1, 2025
Language: Английский
Transcriptomic Profiling of Hypoxia-Adaptive Responses in Tibetan Goat Fibroblasts
Lin Tang,
No information about this author
Li Zhu,
No information about this author
Basang Zhuzha
No information about this author
et al.
Animals,
Journal Year:
2025,
Volume and Issue:
15(10), P. 1407 - 1407
Published: May 13, 2025
The
Tibetan
goat
(Capra
hircus)
exhibits
remarkable
adaptations
to
high-altitude
hypoxia,
yet
the
molecular
mechanisms
remain
unclear.
This
study
integrates
RNA-seq,
WGCNA,
and
machine
learning
explore
gene-environment
interactions
(G
×
E)
in
hypoxia
adaptation.
Fibroblasts
from
Yunling
were
cultured
under
hypoxic
(1%
O2)
normoxic
(21%
conditions,
respectively.
identified
68
breed-specific
(G),
100
oxygen-responsive
(E),
620
interaction-driven
(I)
Differentially
Expressed
Genes
(DEGs).
notably
higher
number
of
DEGs
compared
other
effects
highlights
transcriptional
plasticity.
We
defined
two
gene
sets:
Environmental
Stress
(n
=
632,
E
∪
I)
Genetic
Adaptation
659,
G
I).
former
significantly
enriched
pathways
related
oxidative
stress
defense
metabolic
adaptation,
while
latter
showed
prominent
enrichment
associated
with
vascular
remodeling
regulation.
CTNNB1
emerged
as
a
key
regulatory
factor
both
sets,
interacting
CASP3
MMP2
form
core
protein-protein
interaction
(PPI)
network.
Machine
MAP3K5,
TGFBR2,
RSPO1
ITGB5
critical
genes.
WGCNA
modules
where
FOXO3,
HEXIM1,
PPARD
promote
stabilization
HIF-1α
adaptation
through
HIF-1
signaling
pathway
glycolysis.
These
findings
underscore
pivotal
role
offering
novel
perspectives
for
livestock
breeding
programs
biomedical
research
initiatives.
Language: Английский
Challenges and future perspectives in using mesenchymal stem cells for efficient bone fracture healing
Dong Han,
No information about this author
Weiwei Liu,
No information about this author
Jinpeng Gong
No information about this author
et al.
Frontiers in Bioengineering and Biotechnology,
Journal Year:
2025,
Volume and Issue:
13
Published: May 30, 2025
Mesenchymal
stem
cells
(MSCs)
demonstrate
considerable
potential
for
enhancing
bone
fracture
healing
due
to
their
multipotency
and
immunomodulatory
properties.
This
review
investigates
the
relationship
between
MSCs,
immune
system,
skeletal
microenvironment,
focusing
on
roles
of
cytokines
signaling
pathways
in
osteogenesis.
The
process
fractures
is
complex
involves
a
coordinated
response
from
various
cell
types,
including
which
secrete
bioactive
molecules
that
promote
tissue
regeneration
modulate
inflammation.
Despite
promise,
challenges
such
as
variability
MSC
sources,
ethical
considerations,
regulatory
restrictions,
obstacles
achieving
effective
delivery
retention
at
sites
restrict
clinical
application.
Recent
advancements
MSC-based
therapies,
innovative
biomaterials,
three-dimensional
bioprinting,
gene
editing
technologies,
aim
improve
therapeutic
efficacy
MSCs.
In
addition,
strategies
rejuvenate
aged
MSCs
enhance
regenerative
capabilities
are
critical
addressing
age-related
fractures,
functionality
declines
with
age.
Understanding
mechanisms
underlying
action,
paracrine
interaction
essential
optimizing
use.
Addressing
existing
limitations
research
application
provides
comprehensive
perspective
future
therapies
repair.
discusses
transformative
medicine
orthopedics,
highlighting
need
further
unlock
full
outcomes
patients
injuries.
Language: Английский