International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(14), P. 7933 - 7933
Published: July 20, 2024
Type
I
interferon
(IFN-I)
signaling
has
been
shown
to
be
upregulated
in
systemic
sclerosis
(SSc).
Dysregulated
B-cell
functions,
including
antigen
presentation,
as
well
antibody
and
cytokine
production,
all
of
which
may
affected
by
IFN-I
signaling,
play
an
important
role
the
pathogenesis
disease.
We
investigated
signature
71
patients
with
more
severe
form
disease,
diffuse
cutaneous
SSc
(dcSSc),
33
healthy
controls
(HCs).
Activation
via
Toll-like
receptors
(TLRs)
can
influence
cascade;
thus,
we
analyzed
effects
TLR
homologue
CD180
ligation
on
B
cells.
stimulation
augmented
phosphorylation
signal
transducer
activator
transcription
1
(STAT1)
dcSSc
cells
(
Rheumatology Science and Practice,
Journal Year:
2025,
Volume and Issue:
63(2), P. 158 - 167
Published: May 1, 2025
The
aim
of
the
study
is
to
evaluate
efficacy,
safety
and
immunogenicity
divozilimab
(DIV),
anti-CD20
monoclonal
antibody,
in
patients
with
systemic
sclerosis
(SS).
Materials
methods
.
Patients
SS
according
ACR/EULAR
(American
College
Rheumatology/
European
Alliance
Associations
for
Rheumatology)
2013
criteria
modified
Rodnan
skin
score
(mRSS)
≥10
≲20
forced
vital
capacity
(FVC)
≥40%
from
due
took
part
study.
Infusions
DIV
250
mg
were
administered
on
weeks
0
2,
500
–
week
24
subsequent
use
open
mode,
starting
48.
This
publication
presents
data
obtained
48
trial
(before
infusion
at
48).
Primary
endpoint
was
change
mRSS
baseline
dynamic
FVC
estimated
as
secondary
endpoint.
evaluation
included
frequency
profile
adverse
events
reactions
(ARs).
Immunogenicity
assessed
by
detection
binding
neutralizing
anti-drug
antibodies
Results
151
randomized
into
two
groups:
(
n
=76)
Placebo
=75).
most
female;
median
duration
disease
about
3–4
years.
initial
value
14
13
points
PBO
groups,
respectively.
–5.8±1.1
group
–2.7±1.0
(adjusted
mean
difference
(AMD)
95%
confidence
interval
–3.1
(–4.5;
–1.7);
p
<0.0001).
lung
function
stable
treated
DIV.
A
comparable
demonstrated.
frequent
ARs
a
decrease
number
lymphocytes.
There
no
severe
serious
group.
All
mild
moderate.
5.3%
(4/76)
had
without
activity.
Conclusion
Divosilimab
has
demonstrated
significant
severity
fibrosis,
positive
effect
respiratory
favorable
profile,
which
allows
consider
it
promising
therapeutic
option
SS.
iScience,
Journal Year:
2023,
Volume and Issue:
26(11), P. 108133 - 108133
Published: Oct. 5, 2023
Systemic
sclerosis
(SSc)
interstitial
lung
disease
(ILD)
is
among
the
leading
causes
of
SSc-related
morbidity
and
mortality.
Tocilizumab
(TCZ,
anti-IL6RA)
has
demonstrated
a
reduced
rate
pulmonary
function
decline
in
two
phase
2/3
trials
(faSScinate
focuSSced)
SSc-ILD
patients.
We
performed
transcriptome
analysis
skin
biopsy
samples
collected
studies
to
decipher
gene
networks
that
were
potentially
associated
with
clinical
responses
TCZ
treatment.
One
module
correlated
progression
showed
pharmacodynamic
changes
treatment,
was
characterized
by
plasma
cell
(PC)
genes.
PC
signature
expression
levels
also
significantly
increased
both
fibrotic
SSc
IPF
lungs
compared
controls.
scRNAseq
analyses
confirmed
genes
co-expressed
CD38
CD138
expressing
subsets
lungs.
These
data
provide
insights
into
potential
role
mechanisms
action
diseases.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(4), P. 2299 - 2299
Published: Feb. 15, 2024
Systemic
sclerosis
(SSc)
is
a
multifaceted
connective
tissue
disease
whose
aetiology
remains
largely
unknown.
Autoimmunity
thought
to
play
pivotal
role
in
the
development
of
disease,
but
direct
pathogenic
SSc-specific
autoantibodies
be
established.
The
recent
discovery
functional
antibodies
targeting
G-protein-coupled
receptors
(GPCRs),
presence
has
been
demonstrated
different
autoimmune
conditions,
shed
some
light
on
SSc
pathogenesis.
These
bind
GPCRs
expressed
immune
and
non-immune
cells
as
their
endogenous
ligands,
exerting
either
stimulatory
or
inhibitory
effect
corresponding
intracellular
pathways.
Growing
evidence
suggests
that,
SSc,
anti-GPCRs
correlates
with
specific
clinical
manifestations.
Autoantibodies
endothelin
receptor
type
A
(ETAR)
angiotensin
1
(AT1R)
are
associated
severe
vasculopathic
SSc-related
manifestations,
while
anti-C-X-C
motif
chemokine
(CXCR)
seem
predictive
interstitial
lung
involvement;
anti-muscarinic-3
acetylcholine
(M3R)
have
found
patients
gastrointestinal
involvement
anti-protease-activated
(PAR1)
detected
experiencing
scleroderma
renal
crisis.
This
review
aims
clarify
potential
pathogenetic
significance
GPCR-targeting
focusing
associations
manifestations
scleroderma.
An
extensive
examination
autoimmunity
might
provide
valuable
insights
into
underlying
mechanisms
thus
enabling
novel
therapeutic
strategies
tailored
target
GPCR-mediated
Frontiers in Medicine,
Journal Year:
2023,
Volume and Issue:
10
Published: Feb. 16, 2023
This
study
aimed
to
analyze
potential
biomarkers
for
systemic
sclerosis
(SSc)
by
constructing
lncRNA-miRNA-mRNA
networks
in
circulating
exosomes
(cirexos).
Differentially
expressed
mRNAs
(DEmRNAs)
and
lncRNAs
(DElncRNAs)
SSc
cirexos
were
screened
using
high-throughput
sequencing
detected
with
real-time
quantitative
PCR
(RT-qPCR).
genes
(DEGs)
analyzed
the
DisGeNET,
GeneCards,
GSEA4.2.3,
Gene
Ontology
(GO),
Kyoto
Encyclopedia
of
Genes
Genomes
(KEGG)
databases.
Receiver
operating
characteristic
(ROC)
curves,
correlation
analyses,
a
double-luciferase
reporter
gene
detection
assay
used
competing
endogenous
RNA
(ceRNA)
clinical
data.
In
this
study,
286
DEmRNAs
192
DElncRNAs
screened,
which
18
DEGs
same
as
SSc-related
genes.
The
main
pathways
included
extracellular
matrix
(ECM)
receptor
interaction,
local
adhesion,
platelet
activation,
IgA
production
intestinal
immune
network.
A
hub
gene,
COL1A1,
was
obtained
protein-protein
interaction
(PPI)
Four
ceRNA
predicted
through
Cytoscape.
relative
expression
levels
ENST0000313807,
NON-HSAT194388.1
significantly
higher
SSc,
while
hsa-miR-29a-3p,
hsa-miR-29b-3p,
hsa-miR-29c-3p
lower
(P
<
0.05).
ROC
curve
showed
that
ENST00000313807-hsa-miR-29a-3p-COL1A1
network
combined
biomarker
is
more
valuable
than
independent
diagnosis,
it
correlated
high-resolution
CT
(HRCT),
Scl-70,
C-reactive
protein
(CRP),
Ro-52,
IL-10,
IgM,
lymphocyte
percentage,
neutrophil
albumin
divided
globulin,
urea,
RDW-SD
Double-luciferase
ENST00000313807
interacts
COL1A1.
plasma
represents
diagnosis
treatment
SSc.
Abstract
Systemic
sclerosis
(SSc)
is
considered
a
rare
autoimmune
disease
in
which
there
are
alterations
of
both
the
innate
and
adaptive
immune
response
resulting
production
autoantibodies.
Abnormalities
system
compromise
normal
function
blood
vessels
leading
to
vasculopathy
manifested
by
Raynaud’s
phenomenon,
an
early
sign
SSc
.
As
consequence
this
reactive
picture,
can
evolve
tissue
fibrosis.
Several
SSc-specific
autoantibodies
currently
known
associated
with
specific
clinical
manifestations
prognosis.
Although
pathogenetic
role
these
still
unclear,
their
B
cells
plasma
suggests
importance
development
SSc.
This
review
narratively
examines
B-cell
dysfunctions
pathogenesis
discusses
B-cell-targeted
therapies
used
or
potentially
useful
for
management
end-organ
complications.
International Journal of Molecular Sciences,
Journal Year:
2022,
Volume and Issue:
23(24), P. 16154 - 16154
Published: Dec. 18, 2022
Systemic
sclerosis
(SSc),
also
known
as
scleroderma,
is
an
autoimmune
disease
with
unknown
etiology
characterized
by
multi-organ
fibrosis.
Despite
substantial
investigation
on
SSc-related
cellular
and
molecular
mechanisms,
effective
therapies
are
still
lacking.
The
skin,
lungs,
gut
the
most
affected
organs
in
SSc,
which
act
physical
barriers
constantly
communicate
colonized
microbiota.
Recent
reports
have
documented
a
unique
microbiome
signature,
may
be
pathogenic
trigger
or
driver
of
SSc.
Since
microbiota
influences
efficacy
toxicity
oral
drugs,
evaluating
drug–microbiota
interactions
has
become
area
interest
treatment.
existing
evidence
highlights
potential
microbial
challenge
novel
therapeutic
option
In
this
review,
we
summarized
current
knowledge
about
mechanisms
SSc
highlighted
underlying
role
pathogenesis.
We
discussed
latest
interventions
using
microbiomes
including
animal
models.
This
review
aims
to
elucidate
pathophysiological
connection
Insights
into
will
significantly
improve
our
understanding
etiopathogenesis
developing
therapeutics
for
Frontiers in Bioscience-Scholar,
Journal Year:
2023,
Volume and Issue:
15(4), P. 16 - 16
Published: Dec. 26, 2023
Systemic
sclerosis
(SSc)
is
a
rare
systemic
autoimmune
disease
of
unknown
etiology,
which
characterized
by
endothelial
dysfunction,
pathologic
vasculopathy,
and
increased
tissue
fibrosis.
Traditionally,
SSc
has
been
regarded
as
prototypical
fibrotic
in
the
family
diseases.
emphasis
placed
on
three
components
pathogenesis
SSc:
vascular,
immune,
mesenchymal.
Microvascular
lesions,
including
dysfunction
smooth
muscle
cell
migration
into
intima
vessels
SSc,
resemble
atherosclerotic
process.
Although
microvascular
hallmark
understanding
role
vascular
lesions
patients
with
remains
limited.
It
still
whether
cardiovascular
risk
related
to
specific
cardiac
complications
(such
myocardial
fibrosis)
or
accelerated
development
atherosclerosis.
Different
immune
types
appear
be
involved
immunopathogenesis
via
activation
other
cells,
fibrosis,
damage.
Macrophages,
B
T
dendritic
neutrophils,
cells
have
reported
play
most
important
In
our
article,
we
reviewed
significant
recent
studies
pathogenetic
links
between
Modern Rheumatology,
Journal Year:
2023,
Volume and Issue:
33(6), P. 1068 - 1077
Published: April 13, 2023
ABSTRACT
This
literature
review
aimed
to
evaluate
the
effectiveness
of
rituximab
(RTX)
in
patients
with
systemic
sclerosis
(SSc).
PubMed
was
searched
for
articles,
published
through
31
March
2022,
on
any
controlled
studies
using
RTX
treatment
SSc.
Of
85
identified
9
were
selected
by
title/abstract
screening
and
full
text
examination.
All
nine
articles
reported
outcomes
forced
vital
capacity
(%FVC),
seven
those
modified
Rodnan
skin
scores
(mRSS).
The
results
showed
that
among
evaluating
lesions
SSc,
four
a
significant
improvement
mRSS
when
compared
control
group,
whereas
three
no
effect.
Among
lung
lesions,
five
%FVC
In
conclusion,
may
be
effective
profiles
SSc
whom
indicated
unclear,
although
diffuse
cutaneous
positive
anti-topoisomerase
I
antibody
considered
potential
targets.
Additional
are
needed
assess
long-term