Isoform-selective TGF-β3 inhibition for systemic sclerosis
Med,
Journal Year:
2024,
Volume and Issue:
5(2), P. 132 - 147.e7
Published: Jan. 24, 2024
BackgroundTransforming
growth
factor
β
(TGF-β)
is
implicated
as
a
key
mediator
of
pathological
fibrosis,
but
its
pleiotropic
activity
in
range
homeostatic
functions
presents
challenges
to
safe
and
effective
therapeutic
targeting.
There
are
three
isoforms
TGF-β,
TGF-β1,
TGF-β2,
TGF-β3,
which
bind
common
receptor
complex
composed
TGF-βR1
TGF-βR2
induce
similar
intracellular
signals
vitro.
We
have
recently
shown
that
the
cellular
expression
patterns
activation
thresholds
TGF-β2
TGF-β3
distinct
from
those
TGF-β1
selective
short-term
inhibition
can
attenuate
fibrosis
vivo
without
promoting
excessive
inflammation.
Isoform-selective
TGF-β
may
therefore
provide
opportunity
for
patients
with
chronic
fibrotic
disorders.MethodsTranscriptomic
profiling
skin
biopsies
systemic
sclerosis
(SSc)
multiple
clinical
trials
was
performed
evaluate
role
this
disease.
Antibody
humanization,
biochemical
characterization,
crystallization,
pre-clinical
experiments
were
further
characterize
an
anti-TGF-β3
antibody.FindingsIn
SSc,
uniquely
correlated
biomarkers
signaling
disease
severity.
Crystallographic
studies
establish
structural
basis
potent
monoclonal
antibody
attenuates
effectively
at
clinically
translatable
exposures.
Toxicology
suggest
that,
opposed
pan-TGF-β
inhibitors,
has
favorable
safety
profile
administration.ConclusionWe
rationale
targeting
SSc
index.FundingThis
study
funded
by
Genentech,
Inc.
Language: Английский
PPARG/SPP1/CD44 Signaling Pathway in Alveolar Macrophages: Mechanisms of Lipid Dysregulation and Therapeutic Targets in Idiopathic Pulmonary Fibrosis
Heliyon,
Journal Year:
2025,
Volume and Issue:
11(1), P. e41628 - e41628
Published: Jan. 1, 2025
Idiopathic
pulmonary
fibrosis
(IPF)
is
a
chronic
and
progressive
interstitial
lung
disease.
It
characterized
by
inflammation
in
the
parenchyma
interstitium.
Given
its
poor
prognosis
limited
treatment
options,
understanding
underlying
molecular
mechanisms
crucial.
Recent
evidence
suggests
that
lipid
metabolism
plays
pivotal
role
IPF
pathogenesis,
however,
precise
remain
poorly
understood.
To
address
this,
we
analyzed
12
bulk
RNA-seq
2
single-cell
datasets
from
GEO
database
using
machine
learning
approaches.
As
result,
identified
four
key
lipid-related
genes-PPARG,
SPP1,
CASP3,
PECAM1-that
are
expressed
across
various
cell
types.
Specifically,
alveolar
macrophages
(AMs),
observed
PPARG
was
significantly
downregulated,
while
SPP1
highly
expressed.
Importantly,
serves
as
transcriptional
regulator
of
which
turn
mediates
intercellular
signaling
via
CD44.
Based
on
these
findings,
propose
novel
PPARG/SPP1/CD44
pathway
AMs,
modulates
likely
contributes
to
progression
IPF.
Moreover,
network
pharmacology
analysis
several
herbal
compounds
target
PPARG,
offering
potential
therapeutic
opportunities.
In
conclusion,
findings
highlight
critical
present
targets
for
development
future
strategies.
Language: Английский
RTN3 regulates collagen biosynthesis and profibrotic macrophage differentiation to promote pulmonary fibrosis via interacting with CRTH2
Chenyu Wang,
No information about this author
Yaqin Chen,
No information about this author
Hao Huang
No information about this author
et al.
Molecular Medicine,
Journal Year:
2025,
Volume and Issue:
31(1)
Published: Feb. 19, 2025
Language: Английский
Immunological Features and Potential Biomarkers of Systemic Sclerosis–Associated Interstitial Lung Disease and Idiopathic Pulmonary Fibrosis
The Clinical Respiratory Journal,
Journal Year:
2025,
Volume and Issue:
19(4)
Published: March 31, 2025
ABSTRACT
Background
This
study
aims
to
summarize
the
similarities
and
differences
in
immune
cell
characteristics,
potential
therapeutic
targets
between
systemic
sclerosis‐associated
interstitial
lung
disease
(SSc‐ILD)
idiopathic
pulmonary
fibrosis
(IPF).
Methods
included
SSc‐ILD
SSc‐nonILD
patients
who
were
admitted
Beijing
Chaoyang
Hospital
April
4th,
2013,
June
30th,
2023.
Publicly
available
datasets,
including
peripheral
blood
monocular
(pbmc)
single‐cell
data,
SSc,
pbmc
transcriptome
SSc‐ILD,
IPF
tissue
data
analyzed.
Statistical
analyses
conducted
using
SPSS
R
software,
employing
standard
statistical
methods
bioinformatics
packages
such
as
Seurat,
DESeq2,
enrichR,
CellChat.
Results
The
results
revealed
that
CD4+/CD8+
T
ratio
of
was
significantly
higher
than
patients.
In
patients,
an
elevated
also
observed
progressive
group,
Treg
mature
CD4+
cells
might
cause
this
change.
JAK–STAT
pathway
cytokine–cytokine
receptor
interaction
activated
CD30,
CD40,
FLT3
signaling
pathways
found
play
crucial
roles
interactions
with
other
among
SPA17
a
commonly
upregulated
gene
lung,
its
expression
correlating
positively
severity
function
progression.
Conclusion
associate
ILD
initiation
progression;
key
it.
serve
pan‐ILD
marker
associated
Language: Английский
Identification of Hub Genes in Interstitial Lung Disease and their Association With Lung Cancer: An In-Silico Analysis
Published: Feb. 2, 2024
Background:
Interstitial
lung
disease
(ILD),
a
heterogeneous
group
of
pulmonary
disorders
often
leads
to
the
development
cancer
(LC).
However,
association
between
ILD
and
LC
remains
unknown.
Through
bioinformatics
analysis,
this
study
attempted
understand
overlapping
genetic
features,
pathways
discover
potential
therapeutic
drugs
for
treating
both
disorders.
Methods:
To
investigate
transcriptomic
relationship
patients,
two
RNA-seq
data
(GSE229253
GSE231693)
from
Gene
Expression
Omnibus
were
used.
Using
R/Bioconductor
package
we
have
highlighted
altered
miRNAs
that
are
involved
in
also
play
key
role
progression
ILD.
Next,
using
DGIdb
web
tool
identified
drug
can
target
these
signatures.
Finally,
binding
affinity
was
evaluated
molecular
docking
analysis.
Results:
A
total
66
common
differentially
expressed
genes
(DEGs)
observed
patients
as
compared
controls.
The
co-expression
physical
interaction
DEGs
found
be
63.80%
13.96%,
respectively.
MMP13,
B3GNT3,
CXCL14,
CD19,
SPP1,
EPN3,
AQP2,
MUC4,
AQP5,
GRIA1,
UBD,
CXCR2,
MMP7,
MUC5B,
MMP
11,
ITLN2
considered
hub
genes/core
LC.
enriched
associated
with
indicate
an
activation
MMP-associated
extracellular
matrix
remodeling
doxycycline
blinatumomab
candidate
targeting
Conclusion:
We
investigated
possible
connections
databases,
which
might
useful
It
is
envisioned
targeted
therapy
against
mRNA
features
halt
Language: Английский
Human hypofunctionalNCF1variants promote pulmonary fibrosis in the bleomycin-induced mouse model and patients with systemic sclerosis via expansion of SPP1+monocytes-derived macrophages
Xinran Yuan,
No information about this author
Xiaodong Qin,
No information about this author
Kenji Takemoto
No information about this author
et al.
Annals of the Rheumatic Diseases,
Journal Year:
2024,
Volume and Issue:
84(2), P. 294 - 306
Published: Sept. 19, 2024
We
assessed
the
role
of
a
systemic
lupus
erythematosus
causal
hypofunctional
variant,
neutrophil
cytosolic
factor
1
(NCF1)-p.Arg90His
(p.R90H)
substitution,
in
sclerosis
(SSc).
Association
NCF1-H90
with
SSc
was
performed
case-control
cohorts,
bleomycin
(BLM)-treated
Ncf1-R90
C57BL/6
wildtype
and
Ncf1-H90
knock-in
(KI)
littermates.
Peripheral
blood
mononuclear
cell
(PBMC)
subsets
were
analysed
by
cytometry
time-of-flight.
The
allele
is
associated
risk
for
diffuse
cutaneous
(dcSSc)
Chinese
European
Americans,
lung
fibrosis
patients
(OR=2.09,
p=7.96E-10).
Low
copy
number
NCF1
Americans
(OR=4.33,
p=2.60E-2).
BLM-treated
KI
mice
demonstrated
increased
pulmonary
fibrosis,
exhibiting
activated
type
I
interferon
signature,
elevated
Spp1,
Ccl2,
Arg1,
Timp1
Il6
expression,
enriched
macrophage
scores
tissues.
In
longitudinal
observation
cohort,
homozygous
H90
at
baseline
had
anti-nuclear
antibody
titres,
anti-topoisomerase
seropositivity
anti-centromere
seronegativity,
incidence
Gender-Age-lung
Physiology
index,
modified
Rodnan
Skin
Score
(mRSS)
plasma
osteopontin
(OPN,
SPP1),
CCL2,
ARG1,
TIMP-1
IL-6.
These
sustained
mRSS
during
follow-up
years
decreased
survival.
0,
2
copies
carriage
PBMCs
exhibited
dose-dependent
increases
profibrotic
CD14+CD68+CD11b+Tim3+monocytes.
Elevated
OPN,
CCL2
ARG1
CD68+CD11b+monocyte-derived
macrophages
from
after
co-culturing
anti-CCL2
antibody.
activity
development
dcSSc
via
expanding
SPP1+MoMs
CCL2-dependent
manner,
contributing
to
severity
both
SSc.
Language: Английский
Stratification according to autoantibody status in systemic sclerosis reveals distinct molecular signatures
Annals of the Rheumatic Diseases,
Journal Year:
2024,
Volume and Issue:
unknown, P. ard - 225925
Published: Oct. 22, 2024
Systemic
sclerosis
(SSc)
is
a
heterogeneous
disease,
complicating
its
management.
Its
complexity
and
the
insufficiency
of
clinical
manifestations
alone
to
delineate
homogeneous
patient
groups
further
challenge
this
task.
However,
autoantibodies
could
serve
as
relevant
markers
for
pathophysiological
mechanisms
driving
disease.
Identifying
specific
immunological
based
on
patients'
serological
statuses
might
facilitate
deeper
understanding
diversity
Language: Английский
Case report: Successful use of ruxolitinib to treat interstitial pneumonia as an unusual primary presentation in primary myelofibrosis—two birds with one stone
Pingping Xiao,
No information about this author
Zhi-Gao Dong,
No information about this author
Qingqing Wang
No information about this author
et al.
Frontiers in Oncology,
Journal Year:
2024,
Volume and Issue:
14
Published: Nov. 26, 2024
Interstitial
lung
disease
(ILD)
is
a
rare
clinical
presentation
of
primary
myelofibrosis
(PMF).
Language: Английский
Unveiling the shared genes between systemic sclerosis and lung cancer
Frontiers in Medicine,
Journal Year:
2024,
Volume and Issue:
11
Published: Dec. 18, 2024
The
risk
of
lung
cancer
is
significantly
increased
in
patients
with
systemic
sclerosis
(SSc),
yet
the
specific
genes
underlying
this
association
remain
unexplored.
Our
study
aims
to
identify
shared
by
SSc
and
cancer.
We
identified
differentially
expressed
(DEGs)
from
adenocarcinoma
(LUAD)
datasets
(SSc:
GSE95065,
LUAD:
GSE136043)
GEO
database.
found
intersecting
top
protein–protein
interaction
networks
STRING
area
under
ROC
curve
(AUC)
was
calculated
for
each
gene
validation
GSE231692;
GSE43458),
identifying
PRKG2
as
core
gene.
used
UALCAN
platform
assess
expression
LUAD
at
various
stages
lymph
node
metastasis
states,
compared
disease-free
survival
(DFS)
between
low
high
groups.
overexpressed
A549
cells
its
impact
on
cell
proliferation
invasion
vitro
.
seven
(SCN7A,
AGTR1,
WIF1,
PRKG2,
LTF,
AQP4,
COL10A1),
AUC
exceeding
0.93
both
diseases
(SSc
=
0.973;
0.939).
levels
different
clinical
states
were
consistently
lower
than
those
observed
normal
individuals.
DFS
group
higher
that
(
p
0.028).
In
experiments
confirmed
elevated
inhibits
cells.
one
cancer,
affecting
Language: Английский