Biomaterials Research,
Journal Year:
2024,
Volume and Issue:
28
Published: Jan. 1, 2024
In
osteoarthritis
(OA),
articular
cartilage
is
continuously
submerged
in
a
hypoxic
environment
throughout
life,
and
hypoxia-inducible
factors
(HIFs)
play
crucial
role
OA
progression.
Among
the
various
HIF
phenotypes,
HIF-1α
positively
contributes
to
maintaining
stability
of
matrix.
contrast,
HIF-2α
has
detrimental
effect,
leading
chondrocyte
apoptosis
exacerbating
inflammation.
Notably,
there
currently
no
simultaneous
regulation
for
treatment.
Thus,
biomimetic
gene
vector
(MENP)
was
developed
co-delivery
siHIF-2α
Mg2+
inflamed
regions
joints,
comprising
an
inner
core
consisting
outer
M2
macrophage
membrane.
vitro
vivo
studies
demonstrate
that
MENP
effectively
targets
areas,
efficiently
silences
HIF-2α,
facilitates
HIF-1α-mediated
restoration
through
Mg2+.
Furthermore,
it
indirectly
promotes
polarization
macrophages
toward
anti-inflammatory
phenotype
its
action
on
synoviocytes.
Overall,
efficient
vehicle
alleviating
inflammation
promoting
repair,
representing
appealing
approach
Pharmacological Research,
Journal Year:
2025,
Volume and Issue:
unknown, P. 107649 - 107649
Published: Feb. 1, 2025
The
joint
dysfunction
caused
by
osteoarthritis
(OA)
is
increasingly
becoming
a
major
challenge
in
global
healthcare,
and
there
currently
no
effective
strategy
to
prevent
the
progression
of
OA.
Therefore,
better
elucidating
relevant
mechanisms
OA
occurrence
development
will
provide
theoretical
basis
for
formulating
new
prevention
control
strategies.
Due
long-term
exposure
cartilage
tissue
hypoxic
microenvironment
joints,
metabolic
reprogramming
changes
occur.
Hypoxia-inducible
factor-1alpha
(HIF-1α),
as
core
gene
regulating
hypoxia
response
vivo,
plays
an
important
regulatory
role
metabolism
chondrocytes.
HIF-1α
adapts
such
glycolysis,
oxidative
phosphorylation
(OXPHOS),
amino
acid
metabolism,
lipid
In
addition,
also
regulates
macrophage
polarization
synovial
inflammation,
chondrocytes
degeneration
extracellular
matrix
(ECM)
degradation,
subchondral
bone
remodeling
angiogenesis
OA,
affects
pathophysiological
Consequently,
regulation
has
become
therapeutic
target
this
article
reviews
mechanism
affecting
chondrocyte
reprogramming,
focusing
on
summarizes
potential
ingredients
or
targets
targeting
order
more
beneficial
treatment
clinical
drugs.
Frontiers in Immunology,
Journal Year:
2024,
Volume and Issue:
14
Published: Jan. 9, 2024
Osteoarthritis
(OA)
has
been
a
leading
cause
of
disability
in
the
elderly
and
there
remains
lack
effective
therapeutic
approaches
as
mechanisms
pathogenesis
progression
have
yet
to
be
elucidated.
As
OA
progresses,
cellular
metabolic
profiles
energy
production
are
altered,
emerging
reprogramming
highlights
importance
specific
pathways
disease
progression.
crucial
part
glucose
metabolism,
glycolysis
bridges
inflammatory
dysfunctions.
Moreover,
glycolytic
pathway
is
involved
different
areas
metabolism
inflammation,
associated
with
variety
transcription
factors.
To
date,
it
not
fully
elucidated
whether
changes
its
key
enzymes
onset
or
OA.
This
review
summarizes
important
role
mediating
inducing
tissue
inflammation
injury,
aim
providing
further
insights
into
pathological
functions
proposing
new
targets
for
treatment
Journal of Cellular and Molecular Medicine,
Journal Year:
2024,
Volume and Issue:
28(8)
Published: March 28, 2024
Abstract
Krüppel‐like
factors
(KLFs)
are
crucial
in
the
development
of
bone
disease.
They
a
family
zinc
finger
transcription
that
unusual
containing
three
highly
conserved
structural
domains
interacting
with
DNA.
It
has
been
discovered
it
engages
various
cell
functions,
including
proliferation,
apoptosis,
autophagy,
stemness,
invasion
and
migration,
is
for
human
tissues.
In
recent
years,
role
KLFs
physiology
pathology
received
adequate
attention.
addition
to
regulating
normal
growth
musculoskeletal
system,
participate
pathological
process
bones
joints
intimately
linked
several
skeletal
illnesses,
such
as
osteoarthritis
(OA),
rheumatoid
arthritis
(RA),
osteoporosis
(OP)
osteosarcoma
(OS).
Consequently,
targeting
emerged
promising
therapeutic
approach
an
array
disorders.
this
review,
we
summarize
current
literature
on
importance
emergence
regulation
particular
emphasis
pertinent
mechanisms
by
which
regulate
diseases.
We
also
discuss
need
KLFs‐based
medication‐targeted
treatment.
These
endeavours
offer
new
perspectives
use
disorders
provide
prognostic
biomarkers,
targets
possible
drug
candidates
Abstract
Osteoarthritis
(OA),
known
as
one
of
the
most
common
types
aseptic
inflammation
musculoskeletal
system,
is
characterized
by
chronic
pain
and
whole-joint
lesions.
With
cellular
molecular
changes
including
senescence,
inflammatory
alterations,
subsequent
cartilage
defects,
OA
eventually
leads
to
a
series
adverse
outcomes
such
disability.
CRISPR-Cas-related
technology
has
been
proposed
explored
gene
therapy,
offering
potential
gene-editing
tools
that
are
in
spotlight.
Considering
genetic
multigene
regulatory
mechanisms
OA,
we
systematically
review
current
studies
on
CRISPR-Cas
for
improving
terms
inflammation,
damage
summarize
various
strategies
delivering
CRISPR
products,
hoping
provide
new
perspective
treatment
taking
advantage
technology.
Frontiers in Immunology,
Journal Year:
2023,
Volume and Issue:
14
Published: June 9, 2023
Osteoarthritis
is
non-inflammatory
degenerative
joint
arthritis,
which
exacerbates
disability
in
elder
persons.
The
molecular
mechanisms
of
osteoarthritis
are
elusive.
Ubiquitination,
one
type
post-translational
modifications,
has
been
demonstrated
to
accelerate
or
ameliorate
the
development
and
progression
via
targeting
specific
proteins
for
ubiquitination
determining
protein
stability
localization.
Ubiquitination
process
can
be
reversed
by
a
class
deubiquitinases
deubiquitination.
In
this
review,
we
summarize
current
knowledge
regarding
multifaceted
role
E3
ubiquitin
ligases
pathogenesis
osteoarthritis.
We
also
describe
insight
into
processes.
Moreover,
highlight
multiple
compounds
that
target
influence
progression.
discuss
challenge
future
perspectives
modulation
expression
enhancement
therapeutic
efficacy
patients.
conclude
modulating
deubiquitination
could
alleviate
achieve
better
treatment
outcomes
Molecular Medicine Reports,
Journal Year:
2024,
Volume and Issue:
29(6)
Published: April 15, 2024
Knee
osteoarthritis
(KOA)
is
a
chronic
degenerative
disease
that
affects
the
quality
of
life
middle‑aged
and
elderly
individuals,
one
major
factors
leading
to
disability.
Rongjin
Niantong
Fang
(RJNTF)
can
alleviate
clinical
symptoms
patients
with
KOA,
but
molecular
mechanism
underlying
its
beneficial
effects
on
KOA
remains
unknown.
Using
pharmacological
analysis
invitro
experiments,
active
components
RJNTF
were
analyzed
explore
their
potential
therapeutic
targets
mechanisms
in
KOA.
The
core
signaling
pathways
by
which
exerts
obtained
from
databases
such
as
Gene
Expression
Omnibus,
Traditional
Chinese
Medicine
Systems
Pharmacology
Analysis
Platform.
Subsequently,
chondrocyte
apoptosis
was
modeled
using
hydrogen
peroxide
(H2O2).
Cell
Counting
Kit‑8
assay
involving
poly
[ADP‑ribose]
polymerase‑1
(PARP1)
inhibitor,
DAPI
staining,
reverse
transcription‑quantitative
PCR,
Annexin
V‑FITC/PI
staining
flow
cytometry,
western
blotting
co‑immunoprecipitation
used
determine
efficacy
uncover
mechanism.
It
found
PARP1‑knockdown
lentivirus,
incubation
PARP1
inhibitor
PJ34,
medium
high
doses
significantly
reduced
H2O2‑induced
apoptosis.
Medium
downregulated
expression
cleaved
caspase‑3,
PAR
total
proteins,
well
nucleus
proteins
apoptosis‑inducing
factor
(AIF)
migration
inhibitory
(MIF),
upregulated
protein,
cytoplasmic
AIF
MIF,
suggesting
may
inhibit
through
PARP1/AIF
pathway.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(17), P. 9398 - 9398
Published: Aug. 29, 2024
Articular
cartilage
receives
nutrients
and
oxygen
from
the
synovial
fluid
to
maintain
homeostasis.
However,
compared
tissues
with
abundant
blood
flow,
articular
is
exposed
a
hypoxic
environment
(i.e.,
physioxia)
has
an
enhanced
stress
response.
Hypoxia-inducible
factors
(HIFs)
play
pivotal
role
in
this
physioxic
environment.
In
normoxic
conditions,
HIFs
are
downregulated,
whereas
they
upregulated.
The
HIF-α
family
comprises
three
members:
HIF-1α,
HIF-2α,
HIF-3α.
Each
member
distinct
function
cartilage.
osteoarthritis,
which
primarily
caused
by
degeneration
of
cartilage,
HIF-1α
upregulated
chondrocytes
believed
protect
acting
anabolically
on
it.
Conversely,
contrast
HIF-2α
exerts
catabolic
influence
It
may
therefore
be
possible
develop
new
treatment
for
OA
controlling
expression
drugs
or
altering
joints.
Frontiers in Nutrition,
Journal Year:
2025,
Volume and Issue:
11
Published: Jan. 8, 2025
Osteoarthritis
(OA)
is
a
common
progressive
degenerative
disease.
Gut
microbiota
(GM)
and
their
metabolites
have
been
closely
associated
with
the
onset,
progression,
pathology
of
OA.
GM
may
influence
cartilage
directly,
or
indirectly
by
affecting
gut,
immune
system,
endocrine
system.
They
function
through
classical
pathways
in
metabolism
novel
that
recently
discovered.
Some
them
used
as
targets
for
prevention
treatment
The
current
study
sought
to
describe
major
pathological
signaling
OA
chondrocytes
potential
role
gut-related
factors
these
pathways.