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Any fibronectin glomerulopathy in which the cause of the disease is a mutation in the FN1 gene.
Features include always present findings: Glomerular deposits, Protein in the urine (proteinuria), Glomerular fibronectin deposits, and Glomerulomegaly; and very common findings: Hypertension. 9 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Kidneys and urinary system | 8 | Stage 5 chronic kidney disease, Nephrotic syndrome, Reduced kidney function (renal insufficiency) |
FN1 encodes fibronectin 1 (2,477 aa). Fibronectins bind cell surfaces and various compounds including collagen, fibrin, heparin, DNA, and actin. Highest expression in Cells Cultured fibroblasts (20,887 TPM) and Artery Aorta (3,726 TPM).
Glomerulopathy with fibronectin deposits 2 has been associated with mutations in the FN1 gene on chromosome 2.
The FN1 protein participates in FN1(32-1201)-ALK(1022-1620) fusion and FN1(32-1201)-p-7Y-ALK(1022-1620) fusion pathways.
FN1 is classified as a druggable target (Druggable Genome category) with score 8.0.
Genetic testing for FN1 is available. Testing is considered supportive for diagnosis.
Phenotype severity distribution: 4 always present features, 1 very common feature, 3 common features.
No clinical trials have been registered for glomerulopathy with fibronectin deposits 2.
9 publications have been identified in PubMed for glomerulopathy with fibronectin deposits 2. Research spans Case Report / Case Series (56%) and Review / Meta-Analysis (44%).
Wei J (2026). [PMID: 42150947](https://pubmed.ncbi.nlm.nih.gov/42150947/). *Transplant Proc*. [Review / Meta-Analysis]
Chen X (2026). [PMID: 42068364](https://pubmed.ncbi.nlm.nih.gov/42068364/). *Pediatr Nephrol*. [Case Report / Case Series]
Shi B (2026). [PMID: 41642109](https://pubmed.ncbi.nlm.nih.gov/41642109/). *Clin Nephrol*. [Review / Meta-Analysis]
Sannino A (2026). [PMID: 42143752](https://pubmed.ncbi.nlm.nih.gov/42143752/). *G Ital Nefrol*. [Case Report / Case Series]
Tsighe AZ (2025). [PMID: 40529320](https://pubmed.ncbi.nlm.nih.gov/40529320/). *Case Rep Nephrol Dial*. [Case Report / Case Series]
Kalmár T (2025). [PMID: 39859354](https://pubmed.ncbi.nlm.nih.gov/39859354/). *Int J Mol Sci*. [Case Report / Case Series]
Data assembled from 6 of 12 sources · Last updated Sep 19, 2026, 3:00 AM UTC
Online Mendelian Inheritance in Man
Genetic and Rare Diseases Info Center
Heart and blood vessels |
1 |
Hypertension |
Nagayama Y (2025). [PMID: 40120032](https://pubmed.ncbi.nlm.nih.gov/40120032/). *CEN Case Rep*. [Case Report / Case Series]
Chen Q (2025). [PMID: 41656823](https://pubmed.ncbi.nlm.nih.gov/41656823/). *Zhong Nan Da Xue Xue Bao Yi Xue Ban*. [Review / Meta-Analysis]
Choi JY (2024). [PMID: 39285372](https://pubmed.ncbi.nlm.nih.gov/39285372/). *BMC Nephrol*. [Review / Meta-Analysis]
AI-curated news mentioning glomerulopathy with fibronectin deposits 2
Updated Sep 1, 2026
A 17-year clinical course study demonstrates successful management of late-onset nephrotic syndrome in patients with FN1-associated fibronectin glomerulopathy. This research highlights the potential for long-term control of this rare condition.
A case report highlights the occurrence of concomitant fibronectin glomerulopathy and chronic active antibody-mediated rejection in a renal allograft. This study contributes to the understanding of complex renal transplant complications.