Lupus nephritis is one of the most silent and severe manifestations of SLE. When not captured early, patients are at high risk of progressing to end-stage renal disease, which would require dialysis or transplantation. Renal biopsy remains the gold standard for diagnosis and disease classification. However, the procedure is invasive and very painful. Non-invasive measures are critical for early detection and continuous monitoring.
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sheila
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Dr. BDinneen et al reported predictors that can help screen axSpA pts w/o traditional CV RFs for carotid doppler utz:
- shorter dse duration
- no family hx of IHD
- HLAB27+
- ⬆️ dBP, WHratio, ferritin, TC, LDL and TC:HDL ratio
Small size, more data reqd
@RheumNow #ACR24 abs1440 https://t.co/3pZxFmutJz
Antoni Chan MD (Prof)
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A study showed the sex differences in serum proteomic profiles of males and females with PsA.
Key findings:
-Identified 741 unique proteins in male PsA patients vs. controls vs. 31 in females.
- Several sex-specific pathways, including immune cell functions and cytokine… https://t.co/erC599Zbuj
Eric Dein
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A#1692
Single cell RNA-seq identifies double-negative-2 (DN2) B-cell population ass w progressive SSc-ILD
IgD- CD27- cluster is highest risk
CD21 low B cells are distinct subset associated with sclerosis, pHTN
DN2 B cells as potential biomarkers for SSc-ILD
@RheumNow #ACR24 https://t.co/IbnOGS8C3t
Eric Dein
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A#1691
Biomarkers for Rx response SSc ILD?
92 SSc-ILD pts, 19 had progressive pulm fibrosis (PPF)
KL-6 - incr in PPF, decr in those w/o PPF
CXCL-4 decr across cohort - non-signif trend for more w/o PPF
Specifically in MMF: CRP, KL6, CXCL4 are predictive
#ACR24 @RheumNow https://t.co/9fG6atcLmK
Akhil Sood MD
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Abstract 1686: Urinary proteomics reveals potential markers (MMP-13, M-CSF receptor, CD163, ALCAM, FOLR2) and pathways (neutrophil degranulation, ECM, tissue remodeling) involved in lupus nephritis Class II.
@RheumNow #ACR24 https://t.co/kufd2zl9yc
Akhil Sood MD
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Is there a less invasive approach to evaluate lupus nephritis?
Abstract 1683 highlights the potential role of 68Ga-FAPI PET imaging in evaluating for lupus nephritis. FAPI uptake ↑ in pts with lupus nephritis vs HC. Correlated with IFN -α and IFN-γ pathways.
@RheumNow #ACR24
Akhil Sood MD
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Will my patient with lupus nephritis respond well to induction therapy?
Abstract 1685: Aundhia et al demonstrate the promising utility of RAIL to predict complete renal response in patients with lupus nephritis (Class III or IV +/- V)
@RheumNow #ACR24 https://t.co/JBldrrwUhN
Caoilfhionn Connolly
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#1330
🔬F-Calprotectin in Early RA
➡️ New-onset RA pts(n=104) had ⬆️ F-calprotectin vs controls(n=50)(71 v. 17µg/g; p<0.001)
🔑Higher F-calprotectin linked to ⬆️ DAS28 & NSAID use
⬇️levels @ 6 months Rx
❓Role of subclinical gut inflammation in early RA
#ACR24 @RheumNow
Akhil Sood MD
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Is cognitive impairment in SLE driven by cell exhaustion or aging? Abstract 1514 shows that SLE patients with cognitive impairment had higher levels of CD8+ (cell exhaustion) and lower levels of cell senescence markers. @RheumNow #ACR24 https://t.co/SzxTQt3oNY
Caoilfhionn Connolly
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#1350
🔬 Microbiome & RA: Impact on Disease Activity & Vascular Function
➡️ Salivary microbiome a/w arterial stiffness (AIx)(p 0.019)
➡️ Stool microbiome a/w DAS28-CRP(p 0.027)
🔴Key taxa👇identified for each; no common taxa for both disease activity & AIx.
#ACR24 @RheumNow https://t.co/54Sumzzd27
Akhil Sood MD
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Navigating Positive ANA: Leveraging AI for better triage
Abstract 1526: Markus et al. developed a machine learning model to predict progression to SLE, utilizing diagnoses, meds, procedures, and labs collected 2 years before and 5 years after +ANA.
@RheumNow #ACR24 https://t.co/2zzSH8Pb0e
Caoilfhionn Connolly
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#1326
🔬 Predicting Imminent Inflammatory Arthritis
➡️543 anti-CCP+ at-risk (high/low) tracked
🔑Predictors for IA in high-risk:
🔴EMS≥30min(OR 11)
🔴RF+(OR 6)
🔴US PD(OR 5)
🔴smJTC (OR 5)
🔑Predictors for IA in low risk:
🔴RF+(OR 8)
🔴Anti CCP >3xULN(OR 7)
#ACR24 @RheumNow https://t.co/ou9HNcNb8X
Richard Conway
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Harkins @DrTrishHarkins et al. Novel diagnostic cytokines in treatment naive PMR. Elevations CXCL-9 (100%), MCP-1 (93%), IL-17A (83%), vs TNF (7%) and IL-6 (67%) @RheumNow #ACR24 Abstr#0881 https://t.co/DbYOn81QJH https://t.co/3eyre00D5d
Antoni Chan MD (Prof)
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The future use of a panel of immunological urinary biomarkers as a liquid biopsy for the management of lupus nephritis. Plenary Abstr#1642 @RheumNow #ACR24 https://t.co/waSRVd7FV7
sheila
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Dr @andreafava presents their noninvasive biomarker panel that predicted the probability of histologically active LN.
Panel outperformed UPCR, C3, C4 & antidsDNA.
Aid in clinical-decision making? Lots of potential for monitoring tx response.
@Rheumnow #ACR24 abs1642
#ACRbest https://t.co/C7ZNdvbIQ7
Impressive Plenary @andreafava just finished Novel urine protein panel id 12 proteins that predict NIH activity on renal bx better than existing options Improving at 3 mos predicts response at 1 year Could reduce biopsies / modulate tx! #ACR24 @RheumNow Abstr#1642 #ACRbest https://t.co/Gi6u6hAGzj
Antoni Chan MD (Prof)
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A study presents a novel urinary biomarker panel that predicts histologically active lupus nephritis (LN) with high accuracy.
Key findings:
- AUC of 90% for predicting NIH Activity Index > 2, outperforming traditional biomarkers.
- Identified 12 critical proteins linked to… https://t.co/6ZhqNaxpQM
Caoilfhionn Connolly
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🫁RP-ILD a/w high morbidity and mortality
How to Predict RP-ILD Development?
➡️AutoAb: anti-MDA5, anti-ARS, anti-Ro52
➡️Biomarkers: CRP, LD, Ferritin, KL-6
➡️CT: Lower consolidation/GGO
#ACR24 @RheumNow https://t.co/OIrHfVTZcM
Richard Conway
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This is very true. We showed a number of years ago that patients with gout have increased platelet activation at baseline, which then dramatically increases during flare. Treating gout properly may ameliorate this. #ACR24 @RheumNow https://t.co/VL8fy3ezjx https://t.co/9XdrG1NG9c


