Objective: To investigate the causal relationship between inflammatory skin diseases (atopic dermatitis, and psoriasis) and IgA nephropathy using Mendelian randomization and enrichment analysis.
Methods: The instrumental variables (IVs) in the European Bioinformatics Institute (EBI) database were used for two-sample MR analysis. The results of inverse variance weighting (IVW) were used as the main method, the MR-Egger method was used for pleiotropy analysis and the leave-one-out method was used for sensitivity analysis to verify the reliability of the data. Combined with the human genome database GeneCards database and Metascape enrichment analysis.
Results: People with AD had an increased risk of IgA nephropathy (IVW: OR = 1.06, 95% CI [1.0002-1.1248], p = 0.0491). Psoriasis and IgA nephropathy (IVW: OR = 0.97, 95% CI [0.9394-1.0055], p = 0.1002) no statistical significance, therefore cannot prove cause-and-effect relationship between.
Conclusions: This study provides evidence that atopic dermatitis is associated with an increased risk of IgA nephropathy, but does not provide evidence that psoriasis is causologically associated with IgA nephropathy. Enrichment analysis suggested a causal relationship between inflammatory skin diseases and IgA nephropathy at the genetic level.
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http://dx.doi.org/10.1111/srt.13915 | DOI Listing |
Cureus
December 2024
Department of Respiratory Medicine, Juntendo University School of Medicine Graduate School of Medicine, Tokyo, JPN.
IgA vasculitis (IgAV) generally occurs in young people and presents with a tetrad of symptoms: purpura, abdominal pain, arthralgia, and nephritis. However, it may have an atypical course without the typical tetrad. Diffuse alveolar hemorrhage (DAH), heart failure, and stroke are known complications of IgAV but are all very rare.
View Article and Find Full Text PDFEur J Med Res
January 2025
Department of Nephropathy, Hangzhou Hospital of Traditional Chinese Medicine, Hangzhou, 310012, Zhejiang, China.
Med
January 2025
Cambridge University Hospital NHS Trust, Hills Road, Cambridge CB2 2QQ, UK. Electronic address:
The ALIGN trial demonstrates that atrasentan, an endothelin A (ETA) receptor antagonist, reduces proteinuria in patients with IgA nephropathy (IgAN), a key goal to slow progressive renal disease. These results are consistent with those from sparsentan, a combined ETA and angiotensin inhibitor, in IgAN, suggesting two-year data will show atrasentan improves renal outcomes.
View Article and Find Full Text PDFZhong Nan Da Xue Xue Bao Yi Xue Ban
August 2024
Department of Nephrology, Second Xiangya Hospital, Central South University, Changsha 410011.
Objectives: IgA nephropathy (IgAN) is the most common primary glomerular disease in China, but its pathogenesis remains unclear. This study aims to explore the regulatory role of the mammalian target of rapamycin (mTOR) signaling pathway in autophagy and mesangial proliferation during renal injury in IgA.
Methods: The activity of mTOR and autophagy was evaluated in kidney samples from IgAN patients and in an IgAN mouse model induced by oral bovine serum albumin and carbon tetrachloride (CCl4) injection.
CEN Case Rep
January 2025
Department of Medical Science and Cardiorenal Medicine, Yokohama City University Graduate School of Medicine, Yokohama, Japan.
A 69-year-old Japanese man developed abdominal pain, purpura, proteinuria, and hematuria while receiving treatment for pulmonary tuberculosis. A skin biopsy revealed IgA-positive leukocytoclastic vasculitis, and a renal biopsy showed IgA-positive mesangial proliferative glomerulonephritis with crescent formation. Based on these findings, we diagnosed IgA vasculitis with nephritis (IgAVN) and initiated treatment.
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