bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Март 14, 2024
Abstract
Heparan
sulfate
(HS)
proteoglycans
are
important
regulators
of
cellular
responses
to
soluble
mediators
such
as
chemokines,
cytokines
and
growth
factors.
We
profiled
changes
in
expression
genes
encoding
HS
core
proteins,
biosynthesis
enzymes
modifiers
during
macrophage
polarisation,
found
that
the
most
highly
regulated
gene
was
Sulf2
,
an
extracellular
6-O-sulfatase
markedly
downregulated
response
pro-inflammatory
stimuli.
then
generated
+/-
bone
marrow
chimeric
mice
examined
inflammatory
antigen-induced
arthritis,
a
model
rheumatoid
arthritis.
Resolution
inflammation
impaired
myeloid
chimeras,
with
elevated
joint
swelling
increased
abundance
pro-arthritic
Th17
cells
synovial
tissue.
Transcriptomic
vitro
analyses
indicated
deficiency
type
I
interferon
signaling
marrow-derived
macrophages,
leading
Th17-inducing
cytokine
IL-6.
This
establishes
dynamic
remodeling
by
limits
so
protects
against
Th17-driven
pathology.
Cell Death Discovery,
Год журнала:
2024,
Номер
10(1)
Опубликована: Март 4, 2024
Abstract
SULF1
has
been
implicated
in
a
number
of
malignancies.
The
function
gastric
cancer
is
disputed.
objective
this
study
was
to
examine
the
role
and
underlying
molecular
mechanisms
context
cancer.
We
found
that
expression
increased
cancer,
especially
cancer-associated
fibroblasts.
overexpression
be
significantly
correlated
with
unfavorable
prognosis
among
individuals
diagnosed
Functionally,
fibroblasts-derived
served
as
oncogenic
molecule
which
facilitated
cells
metastasis
CDDP
resistance.
Mechanistically,
regulated
communication
between
fibroblasts
tumor
microenvironment
signaling
molecule.
Cancer-associated
fibroblasts-secreted
interfered
interaction
TGF-β1
TGFBR3
by
combining
on
cell
membrane,
subsequently
activated
TGF-β
pathway.
In
conclusion,
our
findings
have
presented
novel
approaches
for
potential
treatment
prediction
through
targeting
CAFs-SULF1-TGFBR3-TGF-β1
axis.
International Journal of Molecular Sciences,
Год журнала:
2023,
Номер
24(2), С. 1148 - 1148
Опубликована: Янв. 6, 2023
Heparan
sulfate
is
a
ubiquitous,
variably
sulfated
interactive
glycosaminoglycan
that
consists
of
repeating
disaccharides
glucuronic
acid
and
glucosamine
are
subject
to
number
modifications
(acetylation,
de-acetylation,
epimerization,
sulfation).
Variable
heparan
chain
lengths
sequences
within
the
chains
provide
structural
diversity
generating
oligosaccharide
binding
motifs
with
diverse
range
extracellular
ligands
cellular
receptors
providing
instructional
cues
over
behaviour
tissue
homeostasis
through
regulation
essential
physiological
processes
in
development,
health,
disease.
sulfate-PGs
integral
components
specialized
glycocalyx
surrounding
cells.
most
heterogeneous
glycosaminoglycan,
terms
its
sequence
biosynthetic
making
it
difficult
molecule
fully
characterize,
multiple
also
make
an
elucidation
functional
properties
complicated.
Spatio-temporal
presentation
groups
important
determinant
development
control
wound
healing
remodelling
pathological
tissues.
The
regulatory
mediated
via
interactions
chemokines,
chemokine
receptors,
growth
factors
morphogens
cell
proliferation,
differentiation,
remodelling,
healing,
immune
regulation,
inflammation,
tumour
development.
A
greater
understanding
these
HS
will
improve
therapeutic
procedures
prognoses.
Advances
synthesis
sequencing,
computational
analytical
carbohydrate
algorithms
advanced
software
for
evaluation
molecular
docking
partners
now
available.
These
analytic
techniques
artificial
intelligence
offer
predictive
capability
conformational
effects
on
sulfate-ligand
significantly
aiding
therapeutics
Abstract
Glycosaminoglycans
(GAGs)
are
important
for
the
occurrence
of
signaling
molecules
and
maintenance
microenvironment
within
extracellular
matrix
(ECM)
in
living
tissues.
GAGs
GAG‐based
biomaterial
approaches
have
been
widely
explored
to
promote
situ
tissue
regeneration
repair
by
regulating
wound
microenvironment,
accelerating
re‐epithelialization,
controlling
ECM
remodeling.
However,
most
remain
unacceptable
clinical
applications.
To
improve
insights
into
material
design
translational
applications,
this
review
highlights
innate
roles
bioactive
mechanisms
native
during
healing
presents
common
biomaterials
adaptability
application
scenarios
facilitating
healing.
Furthermore,
challenges
before
widespread
commercialization
shared,
ensure
that
future
designed
constructed
artificial
more
likely
recapitulate
unique
tissue‐specific
profile
GAG
expression
human
This
provides
a
explicit
clear
selection
guide
researchers
designing
biomimetic
materials,
which
will
resemble
or
exceed
their
natural
counterparts
certain
functions,
thereby
suiting
specific
environments
therapeutic
goals.
Biochemical Society Transactions,
Год журнала:
2023,
Номер
51(3), С. 1083 - 1096
Опубликована: Июнь 19, 2023
Syndecans
are
transmembrane
heparan
sulfate
proteoglycans
present
on
most
mammalian
cell
surfaces.
They
have
a
long
evolutionary
history,
single
syndecan
gene
being
expressed
in
bilaterian
invertebrates.
attracted
interest
because
of
their
potential
roles
development
and
disease,
including
vascular
diseases,
inflammation
various
cancers.
Recent
structural
data
is
providing
important
insights
into
functions,
which
complex,
involving
both
intrinsic
signaling
through
cytoplasmic
binding
partners
co-operative
mechanisms
where
syndecans
form
nexus
with
other
receptors
such
as
integrins
tyrosine
kinase
growth
factor
receptors.
While
the
domain
syndecan-4
has
well-defined
dimeric
structure,
ectodomains
intrinsically
disordered,
linked
to
capacity
interact
multiple
partners.
However,
it
remains
fully
establish
impact
glycanation
partner
proteins
core
protein
conformations.
Genetic
models
indicate
that
conserved
property
links
cytoskeleton
calcium
channels
transient
receptor
class,
compatible
mechanosensors.
In
turn,
influence
actin
organization
motility,
adhesion
extracellular
matrix
environment.
Syndecan
clustering
surface
microdomains
relevance
tissue
differentiation
development,
for
example
stem
cells,
but
also
disease
expression
can
be
markedly
up-regulated.
Since
diagnostic
prognostic
markers
well
possible
targets
some
forms
cancer,
unravel
structure/function
relationships
four
syndecans.
International Journal of Molecular Sciences,
Год журнала:
2023,
Номер
24(18), С. 14101 - 14101
Опубликована: Сен. 14, 2023
This
review
examines
the
roles
of
HS-proteoglycans
(HS-PGs)
in
general,
and,
particular,
perlecan
and
syndecan
as
representative
examples
their
interactive
ligands,
which
regulate
physiological
processes
cellular
behavior
health
disease.
HS-PGs
are
essential
for
functional
properties
tissues
both
development
extracellular
matrix
(ECM)
remodeling
that
occurs
response
to
trauma
or
interact
with
a
biodiverse
range
chemokines,
chemokine
receptors,
protease
inhibitors,
growth
factors
immune
regulation,
inflammation,
ECM
stabilization,
tissue
protection.
Some
cell
regulatory
proteoglycan
receptors
dually
modified
hybrid
HS/CS
proteoglycans
(betaglycan,
CD47).
Neurexins
provide
synaptic
plasticity,
specificity
interaction,
promoting
neurotransduction,
neurogenesis,
differentiation.
Ternary
complexes
glypican-1
Robbo-Slit
neuroregulatory
proteins
direct
axonogenesis
neural
network
formation.
Specific
neurexin-neuroligin
stabilize
interactions
activity.
Disruption
these
leads
neurological
deficits
disorders
cognitive
decline.
Interactions
also
promote
inhibit
tumor
development.
Thus,
have
complex
diverse
normal
pathological
tissues.
Specialized
HS-PGs,
such
neurexins,
pikachurin,
Eyes-shut,
stabilization
transduction
axenome
primary
cilium
phototoreceptors
ribbon
synapse
bipolar
neurons
retinal
networks,
ocular
vision.
Pikachurin
Eyes-Shut
an
α-dystroglycan
photoreceptor
synapse.
Novel
controlling
function
expected
continue
be
uncovered
this
fascinating
class
proteoglycan.
Proteoglycan Research,
Год журнала:
2024,
Номер
2(3)
Опубликована: Июнь 29, 2024
Anti-angiogenic
therapy
is
an
established
method
for
the
treatment
of
several
cancers
and
vascular-related
diseases.
Most
agents
employed
target
vascular
endothelial
growth
factor
A,
major
cytokine
stimulating
angiogenesis.
However,
efficacy
these
treatments
limited
by
onset
drug
resistance.
Therefore,
it
fundamental
importance
to
better
understand
mechanisms
that
regulate
angiogenesis
microenvironmental
cues
play
significant
role
influence
patient
outcome.
In
this
context,
here
we
review
three
basement
membrane
heparan
sulfate
proteoglycans
(HSPGs),
namely
perlecan,
agrin
collagen
XVIII.
These
HSPGs
are
abundantly
expressed
in
vasculature
and,
due
their
complex
molecular
architecture,
they
interact
with
multiple
cell
receptors,
deeply
affecting
function.
Under
normal
conditions,
exert
pro-angiogenic
functions.
pathological
conditions
such
as
cancer
inflammation,
extracellular
matrix
remodeling
leads
degradation
large
precursor
molecules
liberation
bioactive
processed
fragments
displaying
potent
angiostatic
activity.
unexpected
functions
have
been
demonstrated
C-terminal
perlecan
XVIII,
endorepellin
endostatin.
can
also
induce
autophagy
cells
which
contributes
angiostasis.
Overall,
affect
counterbalancing
signals
during
tumor
progression,
represent
possible
means
develop
new
prognostic
biomarkers
novel
therapeutic
approaches
solid
tumors.
Proteoglycan Research,
Год журнала:
2023,
Номер
1(2)
Опубликована: Апрель 1, 2023
Abstract
Glypicans
are
a
family
of
proteoglycans
that
bound
to
the
cell
surface
by
glycosylphosphatidylinositol
anchor.
These
highly
conserved
during
evolution,
and
mammalian
genome
contains
six
members
family.
carry
two
four
heparan
sulfate
chains
inserted
near
carboxy
terminus.
The
crystal
structure
reveals
densely
packed
cylindrical
shape
is
parallel
surface.
functions
glypicans
mediated
and/or
core
protein.
One
main
these
regulation
signaling
pathways
triggered
hedgehogs,
Wnts,
fibroblast
growth
factors,
bone
morphogenetic
proteins.
can
either
stimulate
or
inhibit
interaction
factors
with
their
receptors.
Studies
in
Drosophila
have
also
shown
regulate
hedgehog,
Wnt,
factor
gradient
formation.
In
addition,
play
important
roles
establishment
synapses
neuron
guidance
migration.
Glypican
mutations
cause
several
developmental
syndromes,
overexpression
proteins
contribute
progression
various
cancer
types.
particular,
glypican‐3
currently
being
used
as
marker
for
diagnosis
hepatocellular
carcinomas,
it
targeted
immunotherapeutic
approaches
treatment
this
malignancy.
Biologics,
Год журнала:
2024,
Номер
4(2), С. 105 - 129
Опубликована: Март 28, 2024
Heparan
sulfate
proteoglycans
are
highly
glycosylated
proteins
in
which
heparan
sulfate,
a
glycosaminoglycan
sugar
chain,
is
an
acidic
chain
consisting
of
repeating
disaccharide
structure
glucuronic
acid
and
N-acetylglucosamine
locally
sulfated.
Syndecan,
one
the
transmembrane
HSPGs,
functions
as
receptor
that
transmits
signals
from
extracellular
microenvironment
to
inside
cell.
In
vascular
system,
proteoglycans,
major
component
glycocalyx,
enable
binding
various
plasma-derived
molecules
due
their
diversity,
epimerization
glycosaminoglycans
chains,
long
sulfation.
present
matrix
serve
reservoir
for
bioactive
such
chemokines,
cytokines,
growth
factors.
Aberrant
expression
heparanase,
sulfatase
observed
many
pathological
conditions.
Therefore,
it
can
be
applied
therapeutic
strategies
wide
range
fields
including
Alzheimer’s
disease,
heart
failure,
cancer,
organ
transplants,
diabetes,
chronic
inflammation,
aging,
autoimmune
diseases.
Abstract
The
envelope
(E)
protein
of
the
Japanese
encephalitis
virus
(JEV)
is
a
key
for
infection
and
adsorption
host
cells,
which
determines
virulence
regulates
intensity
inflammatory
response.
mutation
multiple
aa
residues
in
E
plays
critical
role
attenuated
strain
JEV.
This
study
demonstrated
that
Asp
to
Gly,
Ser,
His
E389
site,
respectively,
replication
ability
viruses
cells
was
significantly
reduced,
viral
neuroinvasiveness
different
degrees.
Among
them,
at
site
enhanced
flexibility
contributed
attenuation
neuroinvasiveness.
In
contrast,
less
strain.
Our
results
indicate
mechanism
attenuates
related
increased
protein.
addition,
sensitivity
heparin
inhibition
vitro,
may
lead
decrease
load
entering
brain.
These
suggest
residue
potential
affecting
JEV
virulence,
this
an
important
determination