2023 Rheumatology at BMJ


Biomarkers of haemodynamic severity of systemic sclerosis-­associated pulmonary arterial hypertension by serum proteome analysis
3

Abstract
3

Introduction
3

Methods
4

Serum proteome signature of SSc-PAH
4

Study population
4

SOMAscan assay
4

ELISA assays
4

Statistical analyses
4

Chemerin/CMKLR1 axis and pulmonary vascular remodelling
5

Study population
5

Single-cell RNA sequencing in explanted human lungs
5

Data generation
5

Data analysis
5

Confocal immunofluorescence analyses in explanted human lungs
5

Role of CMKLR1 in the proliferation of human PA-SMCs
5

PA-SMC proliferation experiments
5

Descriptive analysis
5

Results
5

Serum levels of chemerin are elevated and correlate with PVR in SSc-PAH patients
5

Expression of chemerin receptor CMKLR1 is increased on PA-SMCs from SSc-PAH patients
6

The SSc-PAH serum-induced PA-SMC proliferation seems inhibited by a chemerin-CMKLR1 inhibitor
7

Discussion
7

Chemerin as a surrogate marker for haemodynamic severity in SSc-PAH
7

Chemerin as a contributor to the pathogenesis of SSc-PAH
8

Strengths and limitations
9

Conclusions
10

References
10

Impact of vaccination on postacute sequelae of SARS CoV-­2 infection in patients with rheumatic diseases
18

Abstract
18

Introduction
18

Methods
19

Study population and patient identification
19

Patient recruitment for prospective study
19

Data Collection
19

Exposure of interest
19

Outcome assessments
19

Statistical analysis
19

Patient and public involvement
20

Results
20

Participant characteristics
20

Postacute sequelae according to breakthrough infection status
20

Acute COVID-19 symptoms and clinical course according to breakthrough infection status
20

Patient-reported outcomes including pain, fatigue, functional status and rheumatic disease activity following COVID-19 infection
22

Discussion
23

References
26

Novel aspects in the pathophysiology and diagnosis of glomerular diseases
44

Abstract
44

Introduction
44

Clinical phenotypes
44

IgA vasculitis
45

LN in systemic lupus erythematosus
45

Cryoglobulinaemic glomerulonephritis
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Anti-GBM disease
47

ANCA-associated vasculitis
48

Circulating immune complexes and location of immune deposits/complexes within glomerular structures
48

How do immune complexes/cells damage the kidney?
48

Presence of immune deposits/complexes and prognostication/therapeutic response
49

New therapeutic avenues
50

Conclusion
50

References
50

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