Proteoglycan Research,
Journal Year:
2024,
Volume and Issue:
2(4)
Published: Oct. 1, 2024
Abstract
Sarcomas
are
a
heterogeneous
group
of
aggressive
mesenchymal
malignancies.
They
account
for
1%
all
tumors
in
the
general
population
and
15–20%
pediatric
age
young
adults.
Despite
differences
histology
pathobiology,
diverse
types
sarcomas
traditionally
managed
with
common
multi‐modal
approach
including
surgery,
radiotherapy,
polychemotherapy.
Unfortunately,
prognosis
advanced
or
recurrent
disease
remains
poor.
Moreover,
rarity
high
cellular,
molecular,
genetic/epigenetic
heterogeneity
make
identification
therapeutic
targets
challenging.
Therefore
it
an
urgent
need
to
identify
effective
therapies
improve
patients'
outcome.
Common
peculiar
biological
motifs
deregulation
growth
factor
signaling,
proangiogenic
promigratory
pathways,
tumor‐microenviroment
interactions,
transcriptional
epigenetic
machinery,
differentiation
program,
provide
actionable
dependencies
exploitable
intervention.
Among
these,
deregulated
heparan
sulfate
proteoglycan
system
due
aberrant
expression
key
components
as
well
structural/functional
modifications
mediated
by
endosulfatases
endoβ‐
d
‐glycosidase
heparanase,
is
emerging
crucial
player
tumor
progression
valuable
target
across
different
sarcoma
subtypes.
In
preclinical
studies,
non‐anticoagulant
heparins
have
been
shown
counteract
metastatic
dissemination
various
models
according
their
mimetic
anti‐heparanase
activities.
Heparin
derivatives
also
improved
anti‐sarcoma
efficacy
molecularly
targeted
agents
cytotoxic
drugs.
this
minireview,
we
summarize
current
knowledge
about
interplay
between
heparanase/heparan
pathways
involved
sarcomagenesis
progression.
We
illustrate
understanding
mechanisms
action
contribution
anti‐heparanase,
anti‐receptor
tyrosine
kinase,
likely
immunomodulatory
activities
effects.
Finally,
discuss
few
aspects
worthy
exploration
highlighting
how
elucidation
underpinning
antitumor
heparin
contexts
may
suggest
new
vulnerabilities
approaches.
JOR Spine,
Journal Year:
2024,
Volume and Issue:
7(3)
Published: July 29, 2024
Perlecan
is
a
widely
distributed,
modular,
and
multifunctional
heparan
sulfate
proteoglycan,
which
facilitates
cellular
communication
with
the
extracellular
environment
to
promote
tissue
development,
homeostasis,
optimization
of
biomechanical
functions.
Perlecan-mediated
osmotic
mechanotransduction
serves
regulate
metabolic
activity
cells
in
tissues
subjected
tension,
compression,
or
shear.
interacts
vast
array
matrix
(ECM)
proteins
through
it
stabilizes
regulates
proliferation
differentiation
resident
cell
populations.
Here
we
examine
roles
HS-proteoglycan
perlecan
normal
destabilized
intervertebral
disc.
The
disc
has
evolved
survive
hostile
weight
bearing,
acidic,
low
oxygen
nutrition
environment,
provides
cytoprotection,
shields
from
excessive
compressive
forces,
sequesters
range
growth
factors
where
they
aid
survival,
proliferation,
differentiation.
mechanically
connective
attempt
re-establish
optimal
composition
functional
properties
by
changing
their
ECM,
process
chondroid
metaplasia.
We
explore
possibility
that
assists
these
cell-mediated
remodeling
responses
regulating
anabolism.
Perlecan's
mechano-osmotic
transductive
property
may
be
potential
therapeutic
application.
Fishes,
Journal Year:
2025,
Volume and Issue:
10(3), P. 130 - 130
Published: March 17, 2025
Popular
foods
such
as
sushi
and
sashimi
depend
on
the
quality
of
raw
fish
meat
to
maintain
consumer
satisfaction.
Recently,
dietary
insect
meal
insect-derived
substances
have
been
extensively
studied
for
application
in
aquaculture
a
protein
alternative
or
immunostimulant.
However,
impact
functional
teleosts
remains
unclear.
Here,
we
investigated
influence
inclusion
silkrose-BM,
novel
bioactive
polysaccharide
derived
from
silkworm,
Bombyx
mori,
yellowtail
(Seriola
quinqueradiata).
This
study
was
conducted
by
comparing
two
groups
given
different
feeds,
commercial
EP
feeds
containing
Silkrose-BM
(0.1%),
after
culture
period
six
months
separate
floating-net
cages.
The
were
specifically
cut
into
loins
several
parameters
observed,
including
proximate,
color
changes,
total
collagen,
drip
loss,
muscle
histology,
gene
expression
(qRT-PCR).
results
color-change
analysis
showed
that
discoloration
red
feed
group
occurred
faster
than
silkrose-BM
group,
indicating
an
antioxidant
property
silkrose-BM.
Dietary
also
significantly
reduced
loss
increased
collagen
content
meat.
Furthermore,
qRT-PCR
genes
related
lipid
degradation
downregulated
muscles
fed
In
contrast,
proximate
indicated
no
significant
change
nutritional
composition
between
groups.
Taken
together,
our
suggest
could
improve
minimizing
denaturation
inhibiting
oxidation
during
storage.
International Immunopharmacology,
Journal Year:
2025,
Volume and Issue:
155, P. 114624 - 114624
Published: April 10, 2025
Regulatory
T
cells
(Tregs)
are
a
specialized
subset
of
suppressive
that
essential
for
maintaining
self-tolerance,
regulating
effector
cells,
managing
microbial
infections,
preventing
tumors,
allergies,
and
autoimmune
disorders,
facilitating
allograft
transplantation.
Disruptions
in
Treg
function
or
abundance
contribute
to
an
imbalance
between
pathogenic
protective
immune
diseases.
Recently,
one
promising
treatment
strategy
restore
balance
involves
the
selective
expansion
manipulation
Tregs
using
low-dose
IL-2
therapy,
adoptive
cell
transfer,
chimeric
antigen
receptor
(CAR)-Treg
approaches.
have
been
shown
increasing
number
research
studies
prevent
even
treat
variety
such
as
allergic
diseases,
transplant
rejection,
graft-versus-host
disease.
A
thorough
comprehension
is
anticipated
provide
clear
prospects
effective
immunotherapy
wide
range
This
review
provides
overview
biology,
including
their
functions,
mechanisms,
phenotypic
markers,
well
involvement
disease
settings.
Furthermore,
we
discuss
therapeutic
potential
different
subpopulations
translational
applications
Journal of Neuroscience Research,
Journal Year:
2024,
Volume and Issue:
102(7)
Published: July 1, 2024
Abstract
Central
and
peripheral
nervous
system
(CNS/PNS)
proteoglycans
(PGs)
have
diverse
functional
roles,
this
study
examined
how
these
control
cellular
behavior
tissue
function.
The
CNS/PNS
extracellular
matrix
(ECM)
is
a
dynamic,
responsive,
highly
interactive,
space‐filling,
cell
supportive,
stabilizing
structure
maintaining
compartments,
ionic
microenvironments,
microgradients
that
regulate
neuronal
activity
maintain
the
neuron
in
an
optimal
microenvironment.
contains
high
glycosaminoglycan
content
(60%
hyaluronan,
HA)
range
of
PGs.
Immobilization
HA
brain
tissues
by
interactive
hyalectan
PGs
preserves
hydration
activity,
paucity
results
pro‐convulsant
epileptic
phenotype.
Diverse
CS,
KS,
HSPGs
stabilize
blood–brain
barrier
neurovascular
unit,
provide
smart
gel
neurotransmitter
vesicle
storage
delivery,
organize
neuromuscular
junction
basement
membrane,
motor
synaptic
plasticity,
photoreceptor
functions.
PG‐HA
networks
fluxes
compartments
contribute
to
membrane
polarization
dynamics
essential
activation
neurotransduction.
Hyalectans
form
neuroprotective
perineuronal
nets
contributing
memory,
cognitive
learning.
Sialoglycoprotein
associated
with
cones
rods
(SPACRCAN),
binding
CSPG,
stabilizes
inter‐photoreceptor
ECM.
pikachurin
eyes
shut
synapse
aiding
phototransduction
neurotransduction
retinal
bipolar
neurons
crucial
visual
acuity.
This
achieved
through
Laminin
G
motifs
pikachurin,
shut,
neurexins
interact
dystroglycan–cytoskeleton–ECM‐stabilizing
interconnections,
specificity,
co‐ordination
regulatory
action
potentials
neural
networks.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(7), P. 3945 - 3945
Published: April 2, 2024
Glypicans
are
linked
to
various
aspects
of
neoplastic
behavior,
and
their
therapeutic
value
has
been
proposed
in
different
cancers.
Here,
we
have
systematically
assessed
the
impact
GPC4
on
cancer
progression
through
functional
genomics
transcriptomic
analyses
across
a
broad
range
Survival
analysis
using
TCGA
patient
data
reveals
divergent
effects
expression
types,
revealing
elevated
levels
be
associated
with
both
poor
favorable
prognoses
cancer-dependent
manner.
Detailed
investigation
role
glioblastoma
non-small
cell
lung
adenocarcinoma
by
genetic
perturbation
studies
displays
opposing
these
cancers,
where
knockout
CRISPR/Cas9
attenuated
proliferation
augmented
cells
overexpression
exhibited
significant
opposite
effect.
Further,
GPC4-knocked-down
restored
proliferation,
indicating
its
mitogenic
effect
this
type.
Additionally,
survival
substantiated
findings,
an
association
between
prognosis
glioblastoma,
while
outcome
carcinoma
patients.
Finally,
analysis,
attempted
assign
mechanisms
action
GPC4,
as
find
it
implicated
cycle
control
core
pathways.
The
revealed
upregulation
oncogenes,
including
FGF5,
TGF-β
superfamily
members,
ITGA-5
which
were
downregulated
Our
findings
illuminate
pleiotropic
cancer,
underscoring
potential
putative
prognostic
biomarker
implications
type
dependent