Annals of the Rheumatic Diseases,
Год журнала:
2024,
Номер
83(8), С. 1006 - 1017
Опубликована: Март 26, 2024
Objective
Diffuse
central
nervous
system
manifestations,
referred
to
as
neuropsychiatric
lupus
(NPSLE),
are
observed
in
20–40%
of
patients
and
involve
complex
mechanisms
that
have
not
yet
been
adequately
elucidated.
In
murine
NPSLE
models,
choroid
plexus
(ChP)-infiltrating
T
cells
fully
evaluated
drivers
disease.
Method
Droplet-based
single-cell
transcriptomic
analysis
(single-cell
RNA
sequencing)
immune
T-cell
receptor
profiling
were
performed
on
ChP
tissue
from
MRL/lpr
mice,
an
mouse
model,
at
‘early’
‘late’
disease
state,
investigate
the
infiltrating
accumulate
with
progression.
Results
We
found
19
unique
clusters
stromal
present
mice.
Higher
resolution
uncovered
multiple
subsets,
increased
exhaustion
hypoxia
expression
profiles.
Clonal
revealed
clonal
CD8+T
cell
CDR3
sequence,
ASGDALGGYEQY,
matched
a
published
sequence
specificity
for
myelin
basic
protein.
Stromal
fibroblasts
likely
recruitment
by
upregulating
VCAM
signalling
pathway.
Systemic
blockade
VLA-4,
cognate
ligand
VCAM,
resulted
significant
infiltration
attenuation
depressive
phenotype.
Conclusion
Our
details
dynamic
changes
associated
progression,
highlights
its
potential
use
identifying
prospective
brain
therapeutic
targets.
Signal Transduction and Targeted Therapy,
Год журнала:
2023,
Номер
8(1)
Опубликована: Март 20, 2023
Metabolic
abnormalities
lead
to
the
dysfunction
of
metabolic
pathways
and
metabolite
accumulation
or
deficiency
which
is
well-recognized
hallmarks
diseases.
Metabolite
signatures
that
have
close
proximity
subject's
phenotypic
informative
dimension,
are
useful
for
predicting
diagnosis
prognosis
diseases
as
well
monitoring
treatments.
The
lack
early
biomarkers
could
poor
serious
outcomes.
Therefore,
noninvasive
methods
with
high
specificity
selectivity
desperately
needed.
Small
molecule
metabolites-based
metabolomics
has
become
a
specialized
tool
biomarker
pathway
analysis,
revealing
possible
mechanisms
human
various
deciphering
therapeutic
potentials.
It
help
identify
functional
related
variation
delineate
biochemical
changes
indicators
pathological
damage
prior
disease
development.
Recently,
scientists
established
large
number
profiles
reveal
underlying
networks
target
exploration
in
biomedicine.
This
review
summarized
analysis
on
potential
value
small-molecule
candidate
metabolites
clinical
events,
may
better
diagnosis,
prognosis,
drug
screening
treatment.
We
also
discuss
challenges
need
be
addressed
fuel
next
wave
breakthroughs.
Frontiers in Medicine,
Год журнала:
2023,
Номер
10
Опубликована: Июнь 23, 2023
There
are
several
autoimmune
and
rheumatic
diseases
affecting
different
organs
of
the
human
body.
Multiple
sclerosis
(MS)
mainly
affects
brain,
rheumatoid
arthritis
(RA)
joints,
Type
1
diabetes
(T1D)
pancreas,
Sjogren’s
syndrome
(SS)
salivary
glands,
while
systemic
lupus
erythematosus
(SLE)
almost
every
organ
Autoimmune
characterized
by
production
autoantibodies,
activation
immune
cells,
increased
expression
pro-inflammatory
cytokines,
type
I
interferons.
Despite
improvements
in
treatments
diagnostic
tools,
time
it
takes
for
patients
to
be
diagnosed
is
too
long,
main
treatment
these
still
non-specific
anti-inflammatory
drugs.
Thus,
there
an
urgent
need
better
biomarkers,
as
well
tailored,
personalized
treatment.
This
review
focus
on
SLE
affected
this
disease.
We
have
used
results
from
various
involved
with
aim
identify
advanced
methods
possible
biomarkers
utilized
diagnosis
SLE,
disease
monitoring,
response
Signal Transduction and Targeted Therapy,
Год журнала:
2024,
Номер
9(1)
Опубликована: Янв. 15, 2024
Abstract
Systemic
lupus
erythematosus
(SLE),
a
severe
autoimmune
disorder,
is
characterized
by
systemic
inflammatory
response,
autoantibody
accumulation
and
damage
to
organs.
The
dysregulation
of
double-negative
(DN)
T
cells
considered
as
crucial
commander
during
SLE.
Neddylation,
significant
type
protein
post-translational
modification
(PTM),
has
been
well-proved
regulate
cell-mediated
immune
response.
However,
the
function
neddylation
in
SLE
still
unknown.
Here,
we
reported
that
inactivation
with
MLN4924,
specific
inhibitor
NEDD8-activating
enzyme
E1
(NAE1),
or
genetic
abrogation
Ube2m
decreased
DN
cell
attenuated
murine
development.
Further
investigations
revealed
blocked
Bim
ubiquitination
degradation
maintained
level
cells,
contributing
apoptosis
accumulated
mice.
Then
double
knockout
(KO)
lupus-prone
mice
(
-/-
lpr
)
were
generated
results
showed
loss
reduced
deficiency-induced
reversed
alleviated
progression.
Our
findings
identified
promoted
Bim-mediated
Clinically,
also
found
patients,
proportion
was
raised
their
reduced.
Moreover,
compared
healthy
groups,
patients
exhibited
levels
elevated
Cullin1
levels.
Meantime,
inhibition
induced
Bim-dependent
isolated
from
patients.
Altogether,
our
provide
direct
evidence
about
lupus,
suggesting
promising
therapeutic
approach
for
this
disease.
International Journal of Molecular Sciences,
Год журнала:
2024,
Номер
25(2), С. 1019 - 1019
Опубликована: Янв. 13, 2024
Systemic
lupus
erythematosus
(SLE)
is
a
multisystem
autoimmune
disease
in
which
immune
disorders
lead
to
autoreactive
responses
and
cause
inflammation
tissue
damage.
Genetic
environmental
factors
have
been
shown
trigger
SLE.
Recent
evidence
has
also
demonstrated
that
epigenetic
contribute
the
pathogenesis
of
Epigenetic
mechanisms
play
an
important
role
modulating
chromatin
structure
regulating
gene
transcription.
Dysregulated
changes
can
alter
expression
impair
cellular
functions
cells,
resulting
responses.
Therefore,
elucidating
dysregulated
system
crucial
for
understanding
In
this
paper,
we
review
roles
Frontiers in Immunology,
Год журнала:
2024,
Номер
15
Опубликована: Июль 17, 2024
This
article
aims
to
investigate
the
changes
of
T
helper
17
(Th17)
cells,
regulatory
(Treg)
cells
and
their
associated
cytokines
in
patients
with
systemic
lupus
erythematosus
(SLE).
Multiple
databases
were
investigated
identify
articles
that
explored
Th17
Treg
relevant
SLE
patients.
A
random
effects
model
was
used
for
calculating
pooled
standardized
mean
differences.
Stata
version
15.0
utilized
conduct
meta-analysis.
The
levels
IL-17,
IL-6,
IL-21
IL-10
higher
than
healthy
controls
(HCs),
but
TGF-β
lower.
percentage
lower
HCs
individuals
older
33.
Among
studies
had
93%
or
females,
greater
HCs.
However,
when
proportion
females
less
90%.
Patients
nephritis
active
an
increased
a
decreased
cells.
level
related
could
be
main
reason
elevated
Th17/Treg
ratio
SLE.
percentages
gender,
age,
disease
activity
kidney
function.
Furthermore,
reduced
proportions
may
primarily
result
rise
https://www.crd.york.ac.uk/prospero,
identifier
CRD42023454937.
Molecular Medicine,
Год журнала:
2023,
Номер
29(1)
Опубликована: Апрель 3, 2023
Abstract
Background
Systemic
lupus
erythematosus
(SLE)
is
an
autoimmune
disorder
in
which
excessive
CD4
+
T-cell
activation
and
imbalanced
effector
differentiation
play
critical
roles.
Recent
studies
have
implied
a
potential
association
between
posttranscriptional
N6
-methyladenosine
(m
6
A)
modification
T-cell-mediated
humoral
immunity.
However,
how
this
biological
process
contributes
to
not
well
understood.
In
work,
we
investigated
the
role
of
m
A
methyltransferase
like
3
(METTL3)
activation,
differentiation,
SLE
pathogenesis
both
vitro
vivo.
Methods
The
expression
METTL3
was
knocked
down
enzyme
activity
inhibited
using
siRNA
catalytic
inhibitor,
respectively.
vivo
evaluation
inhibition
on
achieved
sheep
red
blood
cell
(SRBC)-immunized
mouse
model
chronic
graft
versus
host
disease
(cGVHD)
model.
RNA-seq
performed
identify
pathways
gene
signatures
targeted
by
METTL3.
RNA-immunoprecipitation
qPCR
applied
confirm
targets.
Results
defective
T
cells
patients.
varied
following
vitro.
Pharmacological
promoted
influenced
cells,
predominantly
Treg
Moreover,
increased
antibody
production
aggravated
lupus-like
phenotype
cGVHD
mice.
Further
investigation
revealed
that
reduced
Foxp3
enhancing
mRNA
decay
A-dependent
manner,
hence
suppressing
differentiation.
Conclusion
summary,
our
findings
demonstrated
required
for
stabilizing
via
maintain
program.
contributed
participating
imbalance
could
serve
as
target
therapeutic
intervention
SLE.
Biomedicines,
Год журнала:
2024,
Номер
12(1), С. 166 - 166
Опубликована: Янв. 12, 2024
Double-negative
T
(DNT)
cells
are
a
rare
and
unconventional
T-lymphocyte
subpopulation
lacking
both
CD4
CD8
markers.
Their
immunopathological
roles
clinical
relevance
have
yet
to
be
elucidated.
Beyond
autoimmune
lymphoproliferative
syndrome
(ALPS),
these
may
also
play
role
in
rheumatic
disorders,
including
systemic
lupus
erythematosus
(SLE);
indeed,
two
diseases
share
several
manifestations
(including
nephritis).
Moreover,
one
of
the
main
experimental
murine
models
used
investigate
lupus,
namely
MRL/lpr
mouse,
is
characterized
by
an
expansion
DNT
cells,
which
can
support
production
pathogenic
autoantibodies
and/or
modulate
immune
response
this
context.
However,
not
completely
consistent
with
their
human
SLE
counterpart,
course.
In
mini
review,
we
summarize
analyze
most
relevant
studies
investigating
cell
population
patients.
Overall,
based
on
present
literature
review
analysis,
homeostasis
seems
altered
patients
SLE.
Indeed,
available
(which
include
adults
children)
reported
increased
percentage
patients,
especially
during
active
phases,
even
though
no
clear
correlation
disease
activity
inflammatory
parameters
has
been
clearly
established.
Well-designed,
standardized,
longitudinal
focused
needed,
order
further
elucidate
actual
contribution
pathogenesis
interactions
other
(also
implicated
SLE,
such
as
basophils),
clarify
whether
immunophenotypic
aspects
any
(and,
then,
represent
potential
markers
and,
perspective,
therapeutic
targets)
or
just
unspecific
epiphenomenon
autoimmunity.