Stiffened fibre-like microenvironment based on patterned equidistant micropillars directs chondrocyte hypertrophy
Materials Today Bio,
Journal Year:
2023,
Volume and Issue:
20, P. 100682 - 100682
Published: May 27, 2023
Articular
cartilage,
composed
of
collagen
type
II
as
a
major
extracellular
matrix
and
chondrocyte
unique
cell
type,
is
specialized
connective
tissue
without
blood
vessels,
lymphatic
vessels
nerves.
This
distinctive
characteristic
articular
cartilage
determines
its
very
limited
ability
to
repair
when
damaged.
It
well
known
that
physical
microenvironmental
signals
regulate
many
behaviors
such
morphology,
adhesion,
proliferation
communication
even
determine
fate.
Interestingly,
with
increasing
age
or
progression
joint
diseases
osteoarthritis
(OA),
the
fibrils
in
become
larger
diameter,
leading
stiffening
reducing
resistance
external
tension,
which
turn
aggravates
damage
diseases.
Therefore,
designing
microenvironment
closer
real
thus
obtaining
data
cellular
behaviour,
then
revealing
biological
mechanisms
chondrocytes
pathological
states
crucial
importance
for
treatment
OA
disease.
Here
we
fabricated
micropillar
substrates
same
topology
but
different
stiffnesses
mimic
occurs
transition
from
normal
diseased
cartilage.
was
first
found
responded
stiffened
by
showing
spreading
area,
stronger
enhancement
cytoskeleton
rearrangement
more
stability
focal
adhesion
plaques.
The
activation
Erk/MAPK
signalling
detected
response
substrate.
nuclear
area
at
interface
layer
between
cells
top
surfaces
micropillars
observed
Finally,
it
substrate
promoted
hypertrophy.
Taken
together,
these
results
revealed
responses
terms
cytoskeleton,
nuclei
hypertrophy,
may
be
beneficial
understanding
functional
changes
affected
during
state
osteoarthritis.
Language: Английский
Molecular Mechanisms and Therapeutic Implications of Long Non‐coding RNAs in Cutaneous Biology and Disease
Journal of Cellular Physiology,
Journal Year:
2025,
Volume and Issue:
240(2)
Published: Feb. 1, 2025
ABSTRACT
Human
skin
is
the
largest
organ
of
human
body
and
accounts
for
approximately
fifteen
percent
total
bodyweight.
Its
main
physiological
role
to
protect
against
a
wide
range
environmental
factors
including
pathogens,
ultraviolet
light,
injury.
Importantly,
can
regenerate
heal
upon
injury
in
large
part
by
differentiation
keratinocytes.
Not
surprisingly,
dysregulation
cutaneous
self‐renewal
result
variety
skin‐related
pathologies,
autoimmune
disease
cancer.
Increasing
evidence
supports
premise
that
long
non‐coding
RNAs
(lncRNAs)
act
as
critical
mediators
gene
expression
regulate
important
biological
processes
within
skin.
Notably,
lncRNAs
has
been
shown
influence
diverse
pathological
consequences.
More
recently,
numerous
reports
have
revealed
new
mechanistic
insight
on
play
homeostasis
well
their
contribution
pathogenesis
disorders.
Here,
we
review
functions
impact
homeostasis.
We
also
describe
fundamental
roles
disorders,
fibrotic,
autoimmune,
malignant
diseases.
Lastly,
will
highlight
how
better
understanding
at
molecular
level
may
reveal
novel
therapeutic
approaches
improvement
Language: Английский
Enhancement of Ndrg2 promotes hypertrophic scar fibrosis by regulating PI3K/AKT signaling pathway
Boya Yu,
No information about this author
Yalei Cao,
No information about this author
Pianpian Lin
No information about this author
et al.
Cellular Signalling,
Journal Year:
2025,
Volume and Issue:
unknown, P. 111659 - 111659
Published: Feb. 1, 2025
Language: Английский
The widespread misuse of StringTie’s gene identifier tags as de facto gene symbols does not allow consistent gene identification in published research
Gene,
Journal Year:
2025,
Volume and Issue:
unknown, P. 149440 - 149440
Published: March 1, 2025
Language: Английский
HSFAS mediates fibroblast proliferation, migration, trans-differentiation and apoptosis in hypertrophic scars via interacting with ADAMTS8
Fang Ma,
No information about this author
Honglin Liu,
No information about this author
Tongtong Xia
No information about this author
et al.
Acta Biochimica et Biophysica Sinica,
Journal Year:
2023,
Volume and Issue:
unknown
Published: Nov. 1, 2023
Hypertrophic
scar
(HS)
is
one
of
the
most
common
sequelae
patients,
especially
after
burns
and
trauma.
The
roles
regulatory
long
noncoding
RNAs
(lncRNAs)
in
mediating
HS
remain
underexplored.
Human
hypertrophic
scar-derived
fibroblasts
(HSFBs)
have
been
shown
to
exert
more
potent
promoting
effects
on
extracellular
matrix
(ECM)
accumulation
than
normal
skin-derived
(NSFBs)
are
associated
with
enhanced
formation.
purpose
this
study
search
for
lncRNAs
enriched
HSFBs
investigate
their
mechanisms.
LncRNA
MSTRG.59347.16
highly
expressed
detected
by
lncRNA-seq
qRT-PCR
named
as
fibroblast-associated
lncRNA
(HSFAS).
HSFAS
overexpression
significantly
induces
fibroblast
proliferation,
migration,
myofibroblast
trans-differentiation
inhibits
apoptosis
HSFBs,
while
knockdown
Language: Английский
LncRNA FPASL suppresses fibroblast proliferation through its DNA methylation via DNMT3b in hypertrophic scar
Kai Wu,
No information about this author
Fang Ma,
No information about this author
Jiangyong Shen
No information about this author
et al.
Acta Biochimica et Biophysica Sinica,
Journal Year:
2022,
Volume and Issue:
54(12), P. 1854 - 1862
Published: Dec. 1, 2022
Long
noncoding
RNAs
(lncRNAs)
are
increasingly
being
implicated
as
key
regulators
of
cell
proliferation,
apoptosis,
and
differentiation.
However,
the
molecular
mechanisms
specific
lncRNAs
in
context
hypertrophic
scar
remain
largely
unclear.
Here,
we
find
that
lncRNA
FPASL
(fibroblast
proliferation-associated
LncRNA)
is
downregulated
HS,
reduces
fibroblast
proliferation
colony
formation
blocks
cycle
progression.
Using
GO
annotation
enrichment
analysis
along
with
AZC
(a
inhibitor
DNA
methylation),
identify
methylation
responsible
for
downregulating
scar.
Subsequent
studies
demonstrate
high
expression
DNMT3b
inhibits
HS.
Mechanistic
study
reveals
a
significant
increase
after
transfection
LNA-FPASL,
which
further
inhibited
by
knockdown
DNMT3b.
Thus,
our
mediates
hypermethylation
promoter
downregulation
promotes
Language: Английский
Exploring the potential mechanism of WuFuYin against hypertrophic scar using network pharmacology and molecular docking
World Journal of Clinical Cases,
Journal Year:
2024,
Volume and Issue:
12(18), P. 3505 - 3514
Published: June 18, 2024
Hypertrophic
scar
(HTS)
is
dermal
fibroproliferative
disorder,
which
may
cause
physiological
and
psychological
problems.
Currently,
the
potential
mechanism
of
WuFuYin
(WFY)
in
treatment
HTS
remained
to
be
elucidated.
Language: Английский
Hypertrophic Scar Treatment: Current Status and Cutting-Edge Advances
晨 杨
No information about this author
Advances in Clinical Medicine,
Journal Year:
2024,
Volume and Issue:
14(09), P. 347 - 353
Published: Jan. 1, 2024
Language: Английский
THE MOLECULAR MECHANISM, TYPES AND TREATMENT OF SCAR FORMATION
Enver Tekin
No information about this author
Izmir Democracy University Health Sciences Journal,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 12, 2024
Wound
healing
and
scar
formation
is
a
complex
biological
process
that
occurs
as
response
to
injury,
characterized
by
the
deposition
of
extracellular
matrix
components
proliferation
fibroblasts.
The
mechanisms
underlying
wound
following
can
vary
significantly
depending
on
type
scar,
such
hypertrophic
scars
keloids,
are
influenced
various
cellular
molecular
factors.
Myofibroblasts,
differentiated
form
fibroblasts,
play
pivotal
role
in
due
their
contractile
properties
ability
produce
large
amounts
collagen
other
components.
Scar
involves
interactions
among
cell
types,
including
macrophages,
endothelial
cells,
well
Understanding
these
crucial
for
developing
therapeutic
strategies
minimize
pathological
scarring,
keloids.
initial
phase
dominated
inflammation,
which
essential
initiating
process.
Inflammatory
particularly
orchestrating
response.
Fibroblasts
primary
effector
cells
formation,
responsible
synthesizing
components,
collagen.
Scars
be
classified
into
several
types
based
characteristics,
mechanisms,
clinical
presentations.
two
most
commonly
discussed
but
there
also
atrophic
scars,
contracture
acne
each
with
distinct
features
implications
treatment.
aim
this
study
explain
mechanism,
treatment
formation.
Language: Английский