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Miyazaki R, Ueda H, Okabe M, Shimizu A, Joh K, Tsuboi N, Yokoo T. Neural epidermal growth factor-like 1 protein (NELL1)-associated membranous nephropathy with heterogeneous underlying diseases: a case report. CEN Case Rep 2024; 13:188-193. [PMID: 37897629 PMCID: PMC11144165 DOI: 10.1007/s13730-023-00826-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 09/27/2023] [Indexed: 10/30/2023] Open
Abstract
Neural epidermal growth factor-like 1 protein (NELL1) is a target antigen of membranous nephropathy (MN). NELL1-associated MN (NELL1-MN) was originally described as a primary form but has subsequently been associated with other diseases, including malignancies, pre-exposure to certain drugs, hepatitis B virus (HBV) and hepatitis C virus (HCV) infections, and rheumatoid arthritis (RA). We present a case of a 78-year-old woman with long-standing RA who developed persistent proteinuria and was diagnosed with MN. Evaluation of the underlying cause revealed chronic active HCV infection and past HBV infection. The underlying cause was less likely to be drug-related; however, there was no evidence of malignancy. The patient was diagnosed with HCV-associated MN. At 4 years after the diagnosis of MN, the patient died of breast cancer with multiple metastases. Subsequent immunohistological analysis revealed that she had NELL1-MN, and her breast cancer tissue stained positive for NELL1. Our case illustrates the difficulty in establishing the underlying cause of NELL1-MN, even after diagnosis. However, the incidence of malignancies, particularly breast and prostate cancers, is higher in NELL1-MN than in MN with other target antigens. Therefore, malignancies are considered a priority for investigation because of their frequency and prognosis among patients with NELL1-MN.
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Affiliation(s)
- Reina Miyazaki
- Division of Nephrology and Hypertension, The Jikei University School of Medicine, 3-19-18 Nishi-Shinbashi, Minato-Ku, Tokyo, 105-8471, Japan
| | - Hiroyuki Ueda
- Division of Nephrology and Hypertension, The Jikei University School of Medicine, 3-19-18 Nishi-Shinbashi, Minato-Ku, Tokyo, 105-8471, Japan.
| | - Masahiro Okabe
- Division of Nephrology and Hypertension, The Jikei University School of Medicine, 3-19-18 Nishi-Shinbashi, Minato-Ku, Tokyo, 105-8471, Japan
| | - Akihiro Shimizu
- Division of Nephrology and Hypertension, The Jikei University School of Medicine, 3-19-18 Nishi-Shinbashi, Minato-Ku, Tokyo, 105-8471, Japan
| | - Kensuke Joh
- Department of Pathology, The Jikei University School of Medicine, Tokyo, Japan
| | - Nobuo Tsuboi
- Division of Nephrology and Hypertension, The Jikei University School of Medicine, 3-19-18 Nishi-Shinbashi, Minato-Ku, Tokyo, 105-8471, Japan
| | - Takashi Yokoo
- Division of Nephrology and Hypertension, The Jikei University School of Medicine, 3-19-18 Nishi-Shinbashi, Minato-Ku, Tokyo, 105-8471, Japan
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Yang Y, Zou GM, Wei XS, Zhang Z, Zhuo L, Xu QQ, Li WG. Identification and validation of biomarkers in membranous nephropathy and pan-cancer analysis. Front Immunol 2024; 15:1302909. [PMID: 38846934 PMCID: PMC11153720 DOI: 10.3389/fimmu.2024.1302909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Accepted: 05/10/2024] [Indexed: 06/09/2024] Open
Abstract
Background Membranous nephropathy (MN) is an autoimmune disease and represents the most prevalent type of renal pathology in adult patients afflicted with nephrotic syndrome. Despite substantial evidence suggesting a possible link between MN and cancer, the precise underlying mechanisms remain elusive. Methods In this study, we acquired and integrated two MN datasets (comprising a single-cell dataset and a bulk RNA-seq dataset) from the Gene Expression Omnibus database for differential expression gene (DEG) analysis, hub genes were obtained by LASSO and random forest algorithms, the diagnostic ability of hub genes was assessed using ROC curves, and the degree of immune cell infiltration was evaluated using the ssGSEA function. Concurrently, we gathered pan-cancer-related genes from the TCGA and GTEx databases, to analyze the expression, mutation status, drug sensitivity and prognosis of hub genes in pan-cancer. Results We conducted intersections between the set of 318 senescence-related genes and the 366 DEGs, resulting in the identification of 13 senescence-related DEGs. Afterwards, we meticulously analyzed these genes using the LASSO and random forest algorithms, which ultimately led to the discovery of six hub genes through intersection (PIK3R1, CCND1, TERF2IP, SLC25A4, CAPN2, and TXN). ROC curves suggest that these hub genes have good recognition of MN. After performing correlation analysis, examining immune infiltration, and conducting a comprehensive pan-cancer investigation, we validated these six hub genes through immunohistochemical analysis using human renal biopsy tissues. The pan-cancer analysis notably accentuates the robust association between these hub genes and the prognoses of individuals afflicted by diverse cancer types, further underscoring the importance of mutations within these hub genes across various cancers. Conclusion This evidence indicates that these genes could potentially play a pivotal role as a critical link connecting MN and cancer. As a result, they may hold promise as valuable targets for intervention in cases of both MN and cancer.
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Affiliation(s)
| | | | | | | | | | | | - Wen-ge Li
- *Correspondence: Qian-qian Xu, ; Wen-ge Li,
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Bajcsi D, Bitó L, Turkevi-Nagy S, Nyári T, Kemény É, Légrády P, Ábrahám G, Iványi B. The value of PLA2R antigen and IgG subclass staining relative to anti-PLA2R seropositivity in the differential diagnosis of membranous nephropathy. BMC Nephrol 2023; 24:230. [PMID: 37550626 PMCID: PMC10408061 DOI: 10.1186/s12882-023-03273-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Accepted: 07/19/2023] [Indexed: 08/09/2023] Open
Abstract
BACKGROUND The diagnostic performance of PLA2R and IgG subclass staining of kidney biopsies relative to anti-PLA2R seropositivity in the differentiation of primary and secondary membranous nephropathy (pMN, sMN) was examined. Besides PLA2R staining - which has a lower specificity than anti-PLA2R antibody serology - there is insufficient knowledge to decide which IgG1-4 subtype immunohistological patterns (IgG4-dominance, IgG4-dominance/IgG1-IgG4-codominance or IgG4-dominance/IgG4-codominance with any IgG subtype) could be used to distinguish between pMN and sMN. METHODS 87 consecutive Hungarian patients (84 Caucasians, 3 Romas) with the biopsy diagnosis of MN were classified clinically as pMN (n = 63) or sMN (n = 24). The PLA2R and IgG subclass staining was part of the diagnostic protocol. Anti-PLA2R antibodies were determined by an indirect immunofluorescence test in 74 patients with disease activity. RESULTS For pMN, the sensitivity of anti-PLA2R seropositivity was 61.1%, and the specificity was 90.0%; and similar values for PLA2R staining were 81.0%, and 66.7%, respectively. In all stages of pMN, IgG4-dominance was the dominant subclass pattern, while the second most frequent was IgG3/IgG4-codominance. The sensitivity and specificity scores were: IgG4-dominance 52.2% and 91.7%, IgG4-dominance/IgG3-IgG4-codominance 76.2% and 87.5%, IgG4-dominance/IgG1-IgG4-codominance 64.2% and 75%, and IgG4-dominance/codominance with any IgG subclass 92.1% and 70.8%, respectively. Anti-PLA2R seropositivity, glomerular PLA2R, and IgG4-dominance/codominance significantly correlated with each other. The IgG4 subclass was rarely encountered in sMN. CONCLUSION In our series, IgG4-dominance had the highest specificity in the differentiation of MN, just as high as that for anti-PLA2R seropositivity. The specificity values of PLA2R staining and IgG4-dominance/codominance with any IgG subclass or IgG4-dominance/IgG1-IgG4 codominance were ≤ 75%. Apart from IgG4 dominance, IgG4-dominance/IgG3-IgG4-codominance also had good statistical value in differentiating pMN from sMN. As IgG subclass switching during the progression of pMN was not the feature of our cohort, pMN in Hungarian patients is presumed to be an IgG4-related disorder right from the start. Although anti-PLA2R seropositivity has become the cornerstone for diagnosing pMN, if a kidney biopsy evaluation is conducted, besides the staining of PLA2R antigen, the evaluation of IgG subclasses provides relevant information for a differential diagnosis. Even in cases with IgG4-dominance, however, malignancy should be thoroughly checked.
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Affiliation(s)
- Dóra Bajcsi
- Szent-Györgyi Albert Health Center, University of Szeged, Szeged, Hungary.
| | - László Bitó
- Szent-Györgyi Albert Health Center, University of Szeged, Szeged, Hungary
| | | | - Tibor Nyári
- Szent-Györgyi Albert Health Center, University of Szeged, Szeged, Hungary
| | - Éva Kemény
- Szent-Györgyi Albert Health Center, University of Szeged, Szeged, Hungary
| | - Péter Légrády
- Szent-Györgyi Albert Health Center, University of Szeged, Szeged, Hungary
| | - György Ábrahám
- Szent-Györgyi Albert Health Center, University of Szeged, Szeged, Hungary
| | - Béla Iványi
- Szent-Györgyi Albert Health Center, University of Szeged, Szeged, Hungary
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Chowdhury R, Turcotte AE, Rondon-Berrios H, Workeneh BT. Spurious Electrolyte and Acid-Base Disorders in the Patient With Cancer: A Review. Am J Kidney Dis 2023; 82:237-242. [PMID: 36906215 PMCID: PMC10491742 DOI: 10.1053/j.ajkd.2023.01.441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 01/27/2023] [Indexed: 03/13/2023]
Abstract
Electrolyte and acid-base disorders are frequently encountered in patients with malignancy, either due to cancer itself or as a complication of its therapy. However, spurious electrolyte disorders can complicate the interpretation and management of these patients. Several electrolytes can be artifactually increased or decreased such that the serum electrolyte values do not correspond to their actual systemic levels, potentially resulting in extensive diagnostic investigations and therapeutic interventions. Examples of spurious derangements include pseudohyponatremia, pseudohypokalemia, pseudohyperkalemia, pseudohypophosphatemia, pseudohyperphosphatemia, and artifactual acid-base abnormalities. Correctly interpreting these artifactual laboratory abnormalities is imperative for avoiding unnecessary and potentially harmful interventions in cancer patients. The factors influencing these spurious results also must be recognized, along with the steps to minimize them. We present a narrative review of commonly reported pseudo electrolyte disorders and describe strategies to exclude erroneous interpretations of these laboratory values and avoid pitfalls. Awareness and recognition of spurious electrolyte and acid-base disorders can prevent unnecessary and harmful treatments.
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Affiliation(s)
- Raad Chowdhury
- Renal-Electrolyte Division, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Anna-Eve Turcotte
- Department of Nephrology, University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Helbert Rondon-Berrios
- Renal-Electrolyte Division, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Biruh T Workeneh
- Department of Nephrology, University of Texas MD Anderson Cancer Center, Houston, Texas.
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5
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McDonnell T, Wu HHL, Sinha S, Chinnadurai R. The Role of PLA2R in Primary Membranous Nephropathy: Do We Still Need a Kidney Biopsy? Genes (Basel) 2023; 14:1343. [PMID: 37510247 PMCID: PMC10380005 DOI: 10.3390/genes14071343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 06/24/2023] [Accepted: 06/24/2023] [Indexed: 07/30/2023] Open
Abstract
Membranous nephropathy (MN) is the most prevalent cause of nephrotic syndrome amongst the non-diabetic adult population. A fifth of idiopathic nephrotic syndrome cases can be attributed to MN, rising to more than 40% in older patients over 60 years. Most MN cases are classified as being of a primary cause, where there is absence of a secondary disease process explaining its manifestation. Traditionally, the standard approach of diagnosing MN involves performing a kidney biopsy as histological evaluation offers not only conclusive evidence of the diagnosis but also provides valuable information regarding disease chronicity and the presence of any other kidney histopathological features. Nevertheless, kidney biopsy is an invasive procedure which poses risks for the patient including bleeding and pain and bears greater costs for the health system. The identification of the phospholipase A2 receptor (PLA2R) antigen in 2009 was a landmark discovery, one which has evolved our understanding of the disease processes in MN and subsequently our management approach of this condition. Antibodies against PLA2R (PLA2RAb) have since emerged as an attractive non-invasive test option to be applied for the diagnosis and prognostication of primary MN. However, much debate and unknowns remain about the accuracy and reliability of testing for PLA2RAb across various primary MN scenarios. We provide a review summarizing the historical journey of PLA2R in relation to its significance in primary MN and, more importantly, evidence emerging over the years which contemplated the role of PLA2RAb as a diagnostic and prognostic tool in primary MN.
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Affiliation(s)
- Thomas McDonnell
- Department of Renal Medicine, Northern Care Alliance NHS Foundation Trust, Salford M6 8HD, UK; (T.M.); (S.S.); (R.C.)
| | - Henry H. L. Wu
- Renal Research Laboratory, Kolling Institute of Medical Research, Royal North Shore Hospital, The University of Sydney, Sydney, NSW 2065, Australia
| | - Smeeta Sinha
- Department of Renal Medicine, Northern Care Alliance NHS Foundation Trust, Salford M6 8HD, UK; (T.M.); (S.S.); (R.C.)
- Faculty of Biology, Medicine & Health, The University of Manchester, Manchester M1 7HR, UK
| | - Rajkumar Chinnadurai
- Department of Renal Medicine, Northern Care Alliance NHS Foundation Trust, Salford M6 8HD, UK; (T.M.); (S.S.); (R.C.)
- Faculty of Biology, Medicine & Health, The University of Manchester, Manchester M1 7HR, UK
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Noce A, Marrone G, Di Lauro M, Mitterhofer AP, Ceravolo MJ, Di Daniele N, Manenti G, De Lorenzo A. The Onco-Nephrology Field: The Role of Personalized Chemotherapy to Prevent Kidney Damage. Cancers (Basel) 2023; 15:cancers15082254. [PMID: 37190182 DOI: 10.3390/cancers15082254] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 03/27/2023] [Accepted: 04/06/2023] [Indexed: 05/17/2023] Open
Abstract
In recent years, the onco-nephrology field has acquired a relevant role in internal medicine due to the growing number of cases of renal dysfunction that have been observed in cancer patients. This clinical complication can be induced by the tumor itself (for example, due to obstructive phenomena affecting the excretory tract or by neoplastic dissemination) or by chemotherapy, as it is potentially nephrotoxic. Kidney damage can manifest as acute kidney injury or represent a worsening of pre-existing chronic kidney disease. In cancer patients, physicians should try to set preventive strategies to safeguard the renal function, avoiding the concomitant use of nephrotoxic drugs, personalizing the dose of chemotherapy according to the glomerular filtration rate (GFR) and using an appropriate hydration therapy in combination with nephroprotective compounds. To prevent renal dysfunction, a new possible tool useful in the field of onco-nephrology would be the development of a personalized algorithm for the patient based on body composition parameters, gender, nutritional status, GFR and genetic polymorphisms.
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Affiliation(s)
- Annalisa Noce
- Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy
- Nephrology and Dialysis Unit, Policlinico Tor Vergata, 00133 Rome, Italy
| | - Giulia Marrone
- Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Manuela Di Lauro
- Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Anna Paola Mitterhofer
- Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy
- Nephrology and Dialysis Unit, Policlinico Tor Vergata, 00133 Rome, Italy
| | | | - Nicola Di Daniele
- Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy
- Fondazione Leonardo per le Scienze Mediche Onlus, Policlinico Abano, 35031 Abano Terme (PD), Italy
| | - Guglielmo Manenti
- Department of Diagnostic Imaging and Interventional Radiology, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Antonino De Lorenzo
- Section of Clinical Nutrition and Nutrigenomic, Department of Biomedicine and Prevention, University of Rome Tor Vergata, 00133 Rome, Italy
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Fernández-Juárez G, Ronco P, Jha V. Personalized Treatment of PLA2R-Related Membranous Nephropathy. Clin J Am Soc Nephrol 2023; 18:530-532. [PMID: 36747312 PMCID: PMC10103204 DOI: 10.2215/cjn.0000000000000086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Accepted: 01/06/2023] [Indexed: 01/28/2023]
Affiliation(s)
- Gema Fernández-Juárez
- Department of Nephrology, Instituto de Investigación de la Paz (IdIPAZ), Hospital Universitario La Paz, Madrid, Spain
| | - Pierre Ronco
- Institut National de la Santé et de la Recherche Médicale, Unité Mixte de Recherche S 1155, Sorbonne Université, Paris, France
- Department of Nephrology, Centre Hospitalier du Mans, Le Mans, France
| | - Vivekanand Jha
- George Institute for Global Health, New Delhi, India
- School of Public Health, Imperial College, London, United Kingdom
- Prasanna School of Public Health, Manipal Academy of Higher Education, Manipal, India
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8
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Claudio P. Primary membranous nephropathy: an endless story. J Nephrol 2023; 36:563-574. [PMID: 36251213 DOI: 10.1007/s40620-022-01461-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Accepted: 08/29/2022] [Indexed: 10/24/2022]
Abstract
Primary membranous nephropathy (PMN) is an autoimmune disease caused by the attack of autoantibodies against podocyte antigens leading to the in situ production of immune complexes. However, the etiology is unknown and the pathogenesis is still far from being completely elucidated. MN is prevalently idiopathic or primary, but in about 20-30% of cases it is secondary to chronic infections, systemic diseases, exposure to drugs, or malignancy. The differentiation between primary and secondary MN may be difficult, particularly when MN precedes signs and symptoms of the original disease, as in some cases of cancer or systemic lupus erythematosus. The natural course of PMN is variable, but in the long term 40-60% of patients with nephrotic syndrome progress to end-stage renal disease (ESRD) or die from thrombotic or cardiovascular events. PMN is a treatable disease. Patients with asymptomatic proteinuria should receive supportive care. Immunosuppressive treatments should be given to patients with nephrotic syndrome or risk of progression. The most frequently adopted treatments rely on cyclical therapy alternating steroids with a cytotoxic agent every other month, i.e., rituximab at different doses, or calcineurin inhibitors plus low-dose steroids. A good rate of response may be obtained but relapses can occur. Randomized controlled trials, with adequate size, long-term follow-up, and fair definition of endpoints are needed to identify treatment with the best therapeutic index.
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Wang T, Yu W, Wu F, Zhang Y, Shang J, Zhao Z. Construction of a Nomogram Discriminating Malignancy-Associated Membranous Nephropathy From Idiopathic Membranous Nephropathy: A Retrospective Study. Front Oncol 2022; 12:914092. [PMID: 35912251 PMCID: PMC9329587 DOI: 10.3389/fonc.2022.914092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 06/23/2022] [Indexed: 11/17/2022] Open
Abstract
Background Based on the etiology, membranous nephropathy (MN) can be categorized into idiopathic membranous nephropathy (IMN) and secondary membranous nephropathy. Malignancy-associated membranous nephropathy (MMN) is a common type of secondary MN. Its incidence is only second to that of lupus nephritis. As the treatment and prognosis of MMN differ significantly from those of other MNs, the identification of MMN is crucial for clinical practice. The purpose of this study was to develop a model that could efficiently discriminate MMN, to guide more precise selection of therapeutic strategies. Methods A total of 385 with IMN and 62 patients with MMN, who were hospitalized at the First Affiliated Hospital of Zhengzhou University between January 2017 and December 2020 were included in this study. We constructed a discriminant model based on demographic information and laboratory parameters for distinguishing MMN and IMN. To avoid an increased false positivity rate resulting from the large difference in sample numbers between the two groups, we matched MMN and IMN in a 1:3 ratio according to gender. Regression analysis was subsequently performed and a discriminant model was constructed. The calibration ability and clinical utility of the model were assessed via calibration curve and decision curve analysis. Results We constructed a discriminant model based on age, CD4+ T cell counts, levels of cystatin C, albumin, free triiodothyronine and body mass index, with a diagnostic power of 0.860 and 0.870 in the training and test groups, respectively. The model was validated to demonstrate good calibration capability and clinical utility. Conclusion In clinical practice, patients demonstrating higher scores after screening with this model should be carefully monitored for the presence of tumors in order to improve their outcome.
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Affiliation(s)
- Ting Wang
- Department of Nephrology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Wei Yu
- Department of Nephrology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Feng Wu
- Department of Nephrology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yiding Zhang
- Department of Nephrology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Jin Shang
- Department of Nephrology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Laboratory Animal Platform of Academy of Medical Sciences, Zhengzhou University, Zhengzhou, China
- *Correspondence: Zhanzheng Zhao, ; Jin Shang,
| | - Zhanzheng Zhao
- Department of Nephrology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Laboratory Animal Platform of Academy of Medical Sciences, Zhengzhou University, Zhengzhou, China
- *Correspondence: Zhanzheng Zhao, ; Jin Shang,
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Critical evaluation of cancer risks in glomerular disease. Transl Oncol 2022; 19:101376. [PMID: 35220046 PMCID: PMC8881657 DOI: 10.1016/j.tranon.2022.101376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Accepted: 02/14/2022] [Indexed: 11/24/2022] Open
Abstract
The increased cancer incidence in patients with glomerular disease can be secondary to an intrinsic immune dysfunction associated with the disease or/and extrinsic factors, especially immunosuppressants. Paraneoplastic glomerulopathy is sometimes misdiagnosed as primary glomerulopathy. The treatment for paraneoplastic glomerulopathy is different from primary glomerular disease. In membranous nephropathy, serum circulating autoantibodies against PLA2R and THSD7A, immunohistochemical tissue markers for glomerular PLA2R, THSD7A and specific types of immunoglobulin G (IgG) may be used for identifying underlying malignancies. A scheme of screening of cancers frequently reported in the setting of glomerular disease is important.
The increased cancer incidence in patients with glomerular disease can be secondary to an intrinsic immune dysfunction associated with the disease or/and extrinsic factors, especially immunosuppressants. The treatment for paraneoplastic glomerulopathy is different from primary glomerular disease. Immunosuppressive therapy often used for primary glomerulopathy may aggravate concomitant cancers in patients with paraneoplastic glomerulopathy. In membranous nephropathy (MN), measurement of serum circulating autoantibodies against podocyte transmembrane glycoprotein M-type phospholipase A2 receptor (PLA2R) and thrombospondin type 1 domain-containing 7A (THSD7A), immunohistochemical staining of kidney tissue for glomerular PLA2R, THSD7A, neural epidermal growth factor-like 1 protein (NELL-1) and specific types of immunoglobulin G (IgG) may be useful adjuncts when screening for underlying malignancies. This review addresses overall cancer risks in individuals with glomerular diseases and employment of biomarkers available for MN. We propose a scheme of screening of cancers frequently reported in the setting of glomerular disease.
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Jeyabalan A, Trivedi M. Paraneoplastic Glomerular Diseases. Adv Chronic Kidney Dis 2022; 29:116-126.e1. [PMID: 35817519 DOI: 10.1053/j.ackd.2022.02.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 02/20/2022] [Accepted: 02/25/2022] [Indexed: 11/11/2022]
Abstract
Paraneoplastic glomerular diseases (GNs) are rare manifestations in patients with underlying hematologic and solid organ malignancies and can occur before or after the detection of cancer. In the absence of established algorithms for investigation and reliable tests, they remain difficult to diagnose. Given the heterogeneity and infrequency of cases, the pathogenesis of most paraneoplastic GNs is poorly understood. Most of our recent understanding of paraneoplastic GNs has emerged from the discovery of target antigens in membranous nephropathy such as thrombospondin type-1 domain-containing protein 7A and neural epidermal growth factor-like 1 protein that appear to be promising in differentiating a primary vs paraneoplastic cause of membranous nephropathy. Treatment of paraneoplastic GNs is usually directed at the underlying malignancy. This review will focus on the epidemiology, pathogenesis, and diagnosis of paraneoplastic glomerular processes.
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Affiliation(s)
- Anushya Jeyabalan
- Vasculitis and Glomerulonephritis Center, Division of Nephrology, Massachusetts General Hospital, Boston, MA
| | - Mayuri Trivedi
- Department of Nephrology, Lokmanya Tilak Municipal General Hospital, Mumbai, India.
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12
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Ali A, Al-Taee H, Kadhim TJ. Relapsing De Novo Membranous Nephropathy. Case Rep Transplant 2022; 2022:6754520. [PMID: 35547830 PMCID: PMC9085326 DOI: 10.1155/2022/6754520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Accepted: 04/12/2022] [Indexed: 02/07/2023] Open
Abstract
Allograft membranous glomerulopathy can be a recurrent or de novo disease. Both instead have different underlying immune pathophysiology and disease pattern. While the introduction of ANTI-PLAR2 and THS7A brought new insights into the management of Immune/primary MN, the treatment of de novo MN is not clear. Relapsing de novo MN in a kidney transplant was rarely reported. Here, we present a case of relapsing de novo MN without evidence of rejection and a gratifying response to rituximab.
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Affiliation(s)
- Ala Ali
- 1Nephrology and Renal Transplantation Centre, The Medical City, Baghdad, Iraq
| | - Huda Al-Taee
- 1Nephrology and Renal Transplantation Centre, The Medical City, Baghdad, Iraq
| | - Thaer J. Kadhim
- 2Department of Pathology, Al-Yarmouk Teaching Hospital, Iraq
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A Diverse Spectrum of Immune Complex- and Complement-Mediated Kidney Diseases Is Associated With Mantle Cell Lymphoma. Kidney Int Rep 2021; 7:568-579. [PMID: 35257069 PMCID: PMC8897291 DOI: 10.1016/j.ekir.2021.12.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Accepted: 12/13/2021] [Indexed: 11/20/2022] Open
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Caza TN, Al-Rabadi LF, Beck LH. How Times Have Changed! A Cornucopia of Antigens for Membranous Nephropathy. Front Immunol 2021; 12:800242. [PMID: 34899763 PMCID: PMC8662735 DOI: 10.3389/fimmu.2021.800242] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Accepted: 11/09/2021] [Indexed: 11/13/2022] Open
Abstract
The identification of the major target antigen phospholipase A2 receptor (PLA2R) in the majority of primary (idiopathic) cases of membranous nephropathy (MN) has been followed by the rapid identification of numerous minor antigens that appear to define phenotypically distinct forms of disease. This article serves to review all the known antigens that have been shown to localize to subepithelial deposits in MN, as well as the distinctive characteristics associated with each subtype of MN. We will also shed light on the novel proteomic approaches that have allowed identification of the most recent antigens. The paradigm of an antigen normally expressed on the podocyte cell surface leading to in-situ immune complex formation, complement activation, and subsequent podocyte injury will be discussed and challenged in light of the current repertoire of multiple MN antigens. Since disease phenotypes associated with each individual target antigens can often blur the distinction between primary and secondary disease, we encourage the use of antigen-based classification of membranous nephropathy.
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Affiliation(s)
| | - Laith F. Al-Rabadi
- Department of Internal Medicine (Nephrology & Hypertension), University of Utah, Salt Lake City, UT, United States
| | - Laurence H. Beck
- Department of Medicine (Nephrology), Boston University School of Medicine and Boston Medical Center, Boston, MA, United States
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15
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Abstract
Membranous nephropathy (MN) is a glomerular disease that can occur at all ages. In adults, it is the most frequent cause of nephrotic syndrome. In ~80% of patients, there is no underlying cause of MN (primary MN) and the remaining cases are associated with medications or other diseases such as systemic lupus erythematosus, hepatitis virus infection or malignancies. MN is an autoimmune disease characterized by a thickening of the glomerular capillary walls due to immune complex deposition. Identification of the phospholipase A2 receptor (PLA2R) as the major antigen in adults in 2009 induced a paradigm shift in disease diagnosis and monitoring and several other antigens have since been characterized. Disease outcome is difficult to predict and around one-third of patients will undergo spontaneous remission. In those at high risk of progression, immunosuppressive therapy with cyclophosphamide plus corticosteroids has substantially reduced the need for kidney replacement therapy. Owing to carcinogenic risk, other treatments (calcineurin inhibitors and CD20-targeted B cell depletion therapy (rituximab)) have been developed. However, disease relapses are frequent when calcineurin inhibitors are stopped and the remission rate with rituximab is lower than with cyclophosphamide, particularly in patients with high PLA2R antibody titres. Other new drugs are already available and antigen-specific immunotherapies are being developed.
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Ronco P, Debiec H. Membranous nephropathy: current understanding of various causes in light of new target antigens. Curr Opin Nephrol Hypertens 2021; 30:287-293. [PMID: 33480620 PMCID: PMC8048721 DOI: 10.1097/mnh.0000000000000697] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
PURPOSE OF REVIEW Membranous nephropathy is an autoimmune disease caused by antibodies mostly directed to podocyte antigens. PLA2R and THSD7A antigens were described in 2009 and 2014 using classical immunochemical techniques. In the last 2 years, thanks to the combination of laser microdissection of glomeruli and mass spectrometry of solubilized digested proteins, several antigens associated with various causes have been described in patients with membranous nephropathy. The purpose of this review is to report on those "new" antigens and to analyse the clinicopathological correlations that make each of this antigen unique. RECENT FINDINGS This article covers the literature of the last 2 years devoted to the description of those new antigens and biomarkers including NELL-1 and Semaphorin 3B in primary membranous nephropathy, and exostosins 1 and 2 and NCAM in lupus class V membranous nephropathy, which will be compared with the previously described antigens. These findings will lead to propose a new classification of membranous nephropathy based on serology and tissue antigen identification that could/should substitute for the classical distinction between primary and secondary membranous nephropathy. SUMMARY The discovery of the latest antigens has major implications for the care of patients with membranous nephropathy as they drive the etiologic investigations and provide invaluable markers for treatment monitoring.
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Affiliation(s)
- Pierre Ronco
- Sorbonne Université, Université Pierre et Marie Curie Paris 06, and Institut National de la Santé et de la Recherche Médicale, Unité Mixte de Recherche S1155, Paris
- Centre Hospitalier du Mans, Department of Nephrology, Le Mans, France
| | - Hanna Debiec
- Sorbonne Université, Université Pierre et Marie Curie Paris 06, and Institut National de la Santé et de la Recherche Médicale, Unité Mixte de Recherche S1155, Paris
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Gauckler P, Shin JI, Alberici F, Audard V, Bruchfeld A, Busch M, Cheung CK, Crnogorac M, Delbarba E, Eller K, Faguer S, Galesic K, Griffin S, van den Hoogen MW, Hrušková Z, Jeyabalan A, Karras A, King C, Kohli HS, Mayer G, Maas R, Muto M, Moiseev S, Odler B, Pepper RJ, Quintana LF, Radhakrishnan J, Ramachandran R, Salama AD, Schönermarck U, Segelmark M, Smith L, Tesař V, Wetzels J, Willcocks L, Windpessl M, Zand L, Zonozi R, Kronbichler A. Rituximab in Membranous Nephropathy. Kidney Int Rep 2021; 6:881-893. [PMID: 33912740 PMCID: PMC8071613 DOI: 10.1016/j.ekir.2020.12.035] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 12/28/2020] [Accepted: 12/29/2020] [Indexed: 12/14/2022] Open
Abstract
Membranous nephropathy (MN) is the most common cause of primary nephrotic syndrome among adults. The identification of phospholipase A2 receptor (PLA2R) as target antigen in most patients changed the management of MN dramatically, and provided a rationale for B-cell depleting agents such as rituximab. The efficacy of rituximab in inducing remission has been investigated in several studies, including 3 randomized controlled trials, in which complete and partial remission of proteinuria was achieved in approximately two-thirds of treated patients. Due to its favorable safety profile, rituximab is now considered a first-line treatment option for MN, especially in patients at moderate and high risk of deterioration in kidney function. However, questions remain about how to best use rituximab, including the optimal dosing regimen, a potential need for maintenance therapy, and assessment of long-term safety and efficacy outcomes. In this review, we provide an overview of the current literature and discuss both strengths and limitations of "the new standard."
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Affiliation(s)
- Philipp Gauckler
- Department of Internal Medicine IV (Nephrology and Hypertension), Medical University Innsbruck, Innsbruck, Austria
| | - Jae Il Shin
- Department of Pediatrics, Yonsei University College of Medicine, Seoul, Korea
- Division of Pediatric Nephrology, Severance Children's Hospital, Seoul, Korea
- Institute of Kidney Disease Research, Yonsei University College of Medicine, Seoul, Korea
| | - Federico Alberici
- Nephrology Unit, ASST Spedali Civili di Brescia, Brescia, Italy
- Department of Medical and Surgical Specialities, Radiological Sciences and Public Health, University of Brescia, Brescia, Italy
| | - Vincent Audard
- Department of Nephrology and Transplantation, Rare French Disease Centre "Idiopathic Nephrotic syndrome", Henri-Mondor/Albert-Chenevier Hospital Assistance Publique-Hôpitaux de Paris, Inserm U955, Team 21, Paris-East University, Créteil, France
| | - Annette Bruchfeld
- Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden
- Department of Renal Medicine, CLINTEC, Karolinska Institutet at Karolinska University Hospital, Stockholm, Sweden
| | - Martin Busch
- Department of Internal Medicine III, University Hospital Jena, Friedrich-Schiller-University, Jena, Germany
| | - Chee Kay Cheung
- Department of Cardiovascular Sciences, University of Leicester, Leicester, United Kingdom
- John Walls Renal Unit, University Hospitals of Leicester NHS Trust, Leicester, UK
| | - Matija Crnogorac
- Department of Nephrology and Dialysis, Dubrava University Hospital, Zagreb, Croatia
| | - Elisa Delbarba
- Nephrology Unit, ASST Spedali Civili di Brescia, Brescia, Italy
| | - Kathrin Eller
- Clinical Division of Nephrology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | - Stanislas Faguer
- Département de Néphrologie et Transplantation d'Organes, Centre de Référence des Maladies Rénales Rares, Centre Hospitalier Universitaire de Toulouse, Toulouse, France
- Institut National de la Santé et de la Recherche Médicale, U1048 (Institut des Maladies Cardiovasculaires et Métaboliques-équipe 12), Toulouse, France
| | - Kresimir Galesic
- Department of Nephrology and Dialysis, Dubrava University Hospital, Zagreb, Croatia
| | - Siân Griffin
- Department of Nephrology and Transplantation, University Hospital of Wales, Cardiff, UK
| | | | - Zdenka Hrušková
- Department of Nephrology, 1st Faculty of Medicine, Charles University and General University Hospital, Prague, Czech Republic
| | - Anushya Jeyabalan
- Division of Nephrology, Columbia University Medical Center, New York, New York, USA
| | - Alexandre Karras
- Service de Néphrologie, Hôpital Européen-Georges Pompidou, Assistance Publique des Hôpitaux de Paris, Paris, France
| | - Catherine King
- Department of Renal Medicine, Queen Elizabeth Hospital, University Hospitals Birmingham, Edgbaston, Birmingham, UK
| | - Harbir Singh Kohli
- Nephrology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Gert Mayer
- Department of Internal Medicine IV (Nephrology and Hypertension), Medical University Innsbruck, Innsbruck, Austria
| | - Rutger Maas
- Department of Nephrology, Radboud University Medical Center, Nijmegen, Netherlands
| | - Masahiro Muto
- Department of Nephrology, Juntendo University Faculty of Medicine, Tokyo, Japan
| | - Sergey Moiseev
- Tareev Clinic of Internal Diseases, Sechenov First Moscow State Medical University, Moscow, Russia
| | - Balazs Odler
- Clinical Division of Nephrology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | - Ruth J. Pepper
- University College London Department of Renal Medicine, Royal Free Hospital, London, UK
| | - Luis F. Quintana
- Department of Nephrology and Renal Transplantation, Hospital Clínic, Centro de Referencia en Enfermedad Glomerular Compleja del Sistema Nacional de Salud (CSUR), Department of Medicine, University of Barcelona, IDIBAPS, Barcelona, Spain
| | - Jai Radhakrishnan
- Division of Nephrology, Columbia University Medical Center, New York, New York, USA
| | - Raja Ramachandran
- Nephrology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Alan D. Salama
- University College London Department of Renal Medicine, Royal Free Hospital, London, UK
| | - Ulf Schönermarck
- Division of Nephrology, Department of Medicine IV, University Hospital, LMU Munich, Munich, Germany
| | - Mårten Segelmark
- Department of Clinical Sciences Lund, University, Skane University Hospital, Nephrology Lund, Lund, Sweden
| | - Lee Smith
- The Cambridge Centre for Sport and Exercise Science, Anglia Ruskin University, Cambridge, UK
| | - Vladimír Tesař
- Department of Nephrology, 1st Faculty of Medicine, Charles University and General University Hospital, Prague, Czech Republic
| | - Jack Wetzels
- Department of Nephrology, Radboud University Medical Center, Nijmegen, Netherlands
| | - Lisa Willcocks
- Department of Renal Medicine, Vasculitis and Lupus Clinic, Addenbrooke's Hospital, Cambridge University Hospitals, Cambridge, UK
| | - Martin Windpessl
- Department of Internal Medicine IV, Section of Nephrology, Klinikum Wels-Grieskirchen, Wels, Austria
- Medical Faculty, Johannes Kepler University Linz, Linz, Austria
| | - Ladan Zand
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, Minnesota, USA
| | - Reza Zonozi
- Division of Nephrology, Vasculitis and Glomerulonephritis Center, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Andreas Kronbichler
- Department of Internal Medicine IV (Nephrology and Hypertension), Medical University Innsbruck, Innsbruck, Austria
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Ronco P, Plaisier E, Debiec H. Advances in Membranous Nephropathy. J Clin Med 2021; 10:607. [PMID: 33562791 PMCID: PMC7915386 DOI: 10.3390/jcm10040607] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 01/29/2021] [Accepted: 01/31/2021] [Indexed: 12/12/2022] Open
Abstract
Membranous nephropathy (MN) is a rare auto-immune disease where the glomerulus is targeted by circulating auto-antibodies mostly against podocyte antigens, which results in the formation of electron-dense immune complexes, activation of complement and massive proteinuria. MN is the most common cause of nephrotic syndrome in adults leading to severe thrombotic complications and kidney failure. This review is focused on the recent therapeutic and pathophysiological advances that occurred in the last two years. For a long time, we were lacking a head-to-head comparison between cyclophosphamide considered as the gold standard therapy and other medications, notably rituximab. Substantial progress has been achieved owing to three randomized controlled trials. MENTOR (Membranous Nephropathy Trial of Rituximab) and STARMEN (Sequential Therapy with Tacrolimus and Rituximab in Primary Membranous Nephropathy) conclusively established that calcineurin inhibitor-based regimens are slower to result in an immunologic response than rituximab or cyclophosphamide, achieve fewer complete clinical remissions, and are less likely to maintainremission. Rituximab Versus Steroids and Cyclophosphamide in the Treatment of Idiopathic Membranous Nephropathy (RI-CYCLO) suggested that competition between cyclophosphamide and rituximab remains open. Given the technological leap combining laser microdissection of glomeruli and mass spectrometry of solubilized digested proteins, four "new antigens" were discovered including NELL-1 and Semaphorin 3B in so-called primary MN, and exostosins 1 and 2 and NCAM 1 in lupus MN. NELL-1 is associated with about 8% of primary MN and is characterized by segmental immune deposits and frequent association with cancer (30%). Semaphorin 3B-associated MN usually occurs in children, often below the age of two years, where it is the main antigen, representing about 16% of non-lupus MN in childhood. Exostosins 1/2 and NCAM 1 are associated with 30% and 6% of lupus MN, respectively. Exostosins 1/2 (EXT1/2) staining is associated with a low rate of end-stage kidney disease (ESKD) even in mixed classes III/IV+V. These findings already lead to revisiting the diagnostic and therapeutic algorithms toward more personalized medicine.
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Affiliation(s)
- Pierre Ronco
- Unité Mixte de Recherche S1155, Institut National de la Santé et de la Recherche Médicale, Sorbonne Université, Université Pierre et Marie Curie Paris 06, Hôpital Tenon, 75020 Paris, France; (E.P.); (H.D.)
- Reference Center of Rare Disease-Idiopathic Nephrotic Syndrome, Hôpital Tenon, 75020 Paris, France
- Department of Nephrology, Centre Hospitalier du Mans, 72000 Le Mans, France
| | - Emmanuelle Plaisier
- Unité Mixte de Recherche S1155, Institut National de la Santé et de la Recherche Médicale, Sorbonne Université, Université Pierre et Marie Curie Paris 06, Hôpital Tenon, 75020 Paris, France; (E.P.); (H.D.)
- Reference Center of Rare Disease-Idiopathic Nephrotic Syndrome, Hôpital Tenon, 75020 Paris, France
- Day Hospital of Nephrology, Hôpital Tenon, Assistance Publique-Hôpitaux de Paris, 75020 Paris, France
| | - Hanna Debiec
- Unité Mixte de Recherche S1155, Institut National de la Santé et de la Recherche Médicale, Sorbonne Université, Université Pierre et Marie Curie Paris 06, Hôpital Tenon, 75020 Paris, France; (E.P.); (H.D.)
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Moroni G, Ponticelli C. Secondary Membranous Nephropathy. A Narrative Review. Front Med (Lausanne) 2020; 7:611317. [PMID: 33344486 PMCID: PMC7744820 DOI: 10.3389/fmed.2020.611317] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Accepted: 11/13/2020] [Indexed: 12/16/2022] Open
Abstract
Membranous nephropathy (MN) is a common cause of proteinuria and nephrotic syndrome all over the world. It can be subdivided into primary and secondary forms. Primary form is an autoimmune disease clinically characterized by nephrotic syndrome and slow progression. It accounts for ~70% cases of MN. In the remaining cases MN may be secondary to well-defined causes, including infections, drugs, cancer, or autoimmune diseases, such as systemic lupus erythematosus (SLE), rheumatoid arthritis (RA), urticarial vasculitis, sarcoidosis, thyroiditis, Sjogren syndrome, systemic sclerosis, or ankylosing spondylitis. The clinical presentation is similar in primary and secondary MN. However, the outcome may be different, being often related to that of the original disease in secondary MN. Also, the treatment may be different, being targeted to the etiologic cause in secondary MN. Thus, the differential diagnosis between primary and secondary MN is critical and should be based not only on history and clinical features of the patient but also on immunofluorescence and electron microscopy analysis of renal biopsy as well as on the research of circulating antibodies. The identification of the pathologic events underlying a secondary MN is of paramount importance, since the eradication of the etiologic factors may be followed by remission or definitive cure of MN. In this review we report the main diseases and drugs responsible of secondary MN, the outcome and the pathogenesis of renal disease in different settings and the possible treatments.
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Affiliation(s)
- Gabriella Moroni
- Nephrology Unit Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Ca' Granda Ospedale Maggiore, Milan, Italy
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Hung CC, Zhen YY, Niu SW, Hsu JF, Lee TH, Chuang HH, Wang PH, Lee SC, Lin PC, Chiu YW, Wu CH, Huang MS, Hsiao M, Chen HC, Yang CJ. Lung Cancer Cell-Derived Secretome Mediates Paraneoplastic Inflammation and Fibrosis in Kidney in Mice. Cancers (Basel) 2020; 12:cancers12123561. [PMID: 33260558 PMCID: PMC7760555 DOI: 10.3390/cancers12123561] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 11/22/2020] [Accepted: 11/24/2020] [Indexed: 12/17/2022] Open
Abstract
Simple Summary Paraneoplastic nephrotic syndrome is a complication arising in lung cancer patients. In the present study, we established an LLC1 cell orthotopic xenograft C57BL/6 mice model to translation paraneoplastic nephrotic syndrome (PNS). The pathological aspects of PNS were characterized in TGF-β signaling-engaged renal fibrosis, and renal inflammation with IL-6 expression in kidney. To reveal how the lung cancer cells remotely drive pathogenic progression, secretome derived from LLC1 cells and A549 cells were proteomically profiled. Additionally, the secretome profiling was subjected to diseases and biofunctions assessment by Ingenuity Pathway analysis (IPA). As matter of secretome profiling and IPA prediction, the Fibronectin, C1r, and C1s are potential of nephrotoxicity linked to paraneoplastic effects on glomerular pathogenesis in these lung cancer mice. Abstract Kidney failure is a possible but rare complication in lung cancer patients that may be caused by massive tumor lysis or a paraneoplastic effect. Clinical case reports have documented pathological characteristics of paraneoplastic syndrome in glomeruli, but are short of molecular details. When Lewis lung carcinoma 1 (LLC1) cells were implanted in mice lungs to establish lung cancer, renal failure was frequently observed two weeks post orthotopic xenograft. The high urinary albumin-to-creatinine ratio (ACR) was diagnosed as paraneoplastic nephrotic syndrome in those lung cancer mice. Profiling the secretome of the lung cancer cells revealed that the secretory proteins were potentially nephrotoxic. The nephrotoxicity of lung cancer-derived secretory proteins was tested by examining the pathogenic effects of 1 × 106, 2 × 106, and 5 × 106 LLC1 cell xenografts on the pathogenic progression in kidneys. Severe albuminuria was present in the mice that received 5 × 106 LLC1 cells implantation, whereas 106 cell and 2 × 106 cell-implanted mice have slightly increased albuminuria. Pathological examinations revealed that the glomeruli had capillary loop collapse, tumor antigen deposition in glomeruli, and renal intratubular casts. Since IL-6 and MCP-1 are pathologic markers of glomerulopathy, their distributions were examined in the kidneys of the lung cancer mice. Moderate to severe inflammation in the kidneys was correlated with increases in the number of cells implanted in the mice, which was reflected by renal IL-6 and MCP-1 levels, and urine ACR. TGF-β signaling-engaged renal fibrosis was validated in the lung cancer mice. These results indicated that lung cancer cells could provoke inflammation and activate renal fibrosis.
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Affiliation(s)
- Chi-Chih Hung
- Division of Nephrology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (C.-C.H.); (Y.-Y.Z.); (S.-W.N.); (S.-C.L.); (Y.-W.C.)
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Yen-Yi Zhen
- Division of Nephrology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (C.-C.H.); (Y.-Y.Z.); (S.-W.N.); (S.-C.L.); (Y.-W.C.)
| | - Sheng-Wen Niu
- Division of Nephrology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (C.-C.H.); (Y.-Y.Z.); (S.-W.N.); (S.-C.L.); (Y.-W.C.)
- Department of Internal Medicine, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung Medical University, Kaohsiung 80145, Taiwan;
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Jui-Feng Hsu
- Department of Internal Medicine, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung Medical University, Kaohsiung 80145, Taiwan;
- Division of Hematology and Oncology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Tai-Huang Lee
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (T.-H.L.); (H.-H.C.); (P.-H.W.)
| | - Hsiang-Hao Chuang
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (T.-H.L.); (H.-H.C.); (P.-H.W.)
| | - Pei-Hui Wang
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (T.-H.L.); (H.-H.C.); (P.-H.W.)
| | - Su-Chu Lee
- Division of Nephrology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (C.-C.H.); (Y.-Y.Z.); (S.-W.N.); (S.-C.L.); (Y.-W.C.)
| | - Pi-Chen Lin
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan;
| | - Yi-Wen Chiu
- Division of Nephrology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (C.-C.H.); (Y.-Y.Z.); (S.-W.N.); (S.-C.L.); (Y.-W.C.)
| | - Chien-Hsing Wu
- Division of Nephrology, Department of Internal Medicine, Kaohsiung Chang-Gung Memorial Hospital, Kaohsiung 83301, Taiwan, and College of Medicine, Chang-Gung University, Taoyuan 33303, Taiwan;
| | - Ming-Shyan Huang
- Department of Internal Medicine, E-Da Cancer Hospital, School of Medicine, I-Shou University, Kaohsiung 82445, Taiwan;
| | - Michael Hsiao
- Genomics Research Center, Academia Sinica, Taipei 11529, Taiwan;
- Department of Biochemistry, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Hung-Chun Chen
- Division of Nephrology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (C.-C.H.); (Y.-Y.Z.); (S.-W.N.); (S.-C.L.); (Y.-W.C.)
- Correspondence: (H.-C.C.); (C.-J.Y.); Tel.: +886-73121101 (ext. 7904) (H.-C.C.); +886-73-121-101 (ext. 5651) (C.-J.Y.); Fax: +886-73-165-706 (H.-C.C.)
| | - Chih-Jen Yang
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (T.-H.L.); (H.-H.C.); (P.-H.W.)
- Department of Respiratory Therapy, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
- Correspondence: (H.-C.C.); (C.-J.Y.); Tel.: +886-73121101 (ext. 7904) (H.-C.C.); +886-73-121-101 (ext. 5651) (C.-J.Y.); Fax: +886-73-165-706 (H.-C.C.)
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21
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Lin JS, Wang DY, Mamlouk O, Glass WF, Abdelrahim M, Yee C, Abudayyeh A. Immune checkpoint inhibitor associated reactivation of primary membranous nephropathy responsive to rituximab. J Immunother Cancer 2020; 8:e001287. [PMID: 33020246 PMCID: PMC7537330 DOI: 10.1136/jitc-2020-001287] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/27/2020] [Indexed: 01/06/2023] Open
Abstract
The same mechanisms that mediate antitumor immunity from checkpoint inhibitors (CPIs) can also lead to unintended targeting of normal tissues, characterized as immune-related adverse events (irAEs). Those with pre-existing autoimmune disease are believed to be particularly vulnerable for exacerbating underlying autoimmunity or inducing severe irAEs. We report the first case of CPI-associated reactivation of primary membranous nephropathy (MN) in a patient with pleural mesothelioma responding to immunotherapy. Due to its specificity in targeting B-lymphocytes, rituximab was used to treat primary MN with the expectation that this would not interfere with the benefits gained from T cell-mediated antitumor immunity. Rituximab was effective in treating CPI-associated reactivation of MN, and the patient was successfully rechallenged with nivolumab and maintained stable kidney function and sustained clinical antitumor effect. While exacerbation of pre-existing autoimmune diseases from CPIs is common, therapy for autoimmune reactivation can be rationally directed by an understanding of the immunosuppressive mechanism with goals of cancer treatment.
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Affiliation(s)
- Jamie S Lin
- Section of Nephrology, Division of Internal Medicine, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Daniel Y Wang
- Section of Hematology-Oncology, Department of Internal Medicine, Baylor College of Medicine, Houston, Texas, USA
| | - Omar Mamlouk
- Section of Nephrology, Division of Internal Medicine, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - William F Glass
- Department of Pathology and Laboratory Medicine, University of Texas Health Science Center McGovern Medical School, Houston, Texas, USA
| | - Maen Abdelrahim
- Department of Medical Oncology, Institute of Academic Medicine and Weill Cornell Medical College, Houston Methodist Cancer Center, Houston, Texas, USA
| | - Cassian Yee
- Department of Melanoma Medical Oncology, Division of Cancer Medicine, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
- Department of Immunology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Ala Abudayyeh
- Section of Nephrology, Division of Internal Medicine, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
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22
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Hogan JJ. Kidney Biopsy Is Required for Nephrotic Syndrome with PLA2R+ and Normal Kidney Function: Pro. KIDNEY360 2020; 1:887-889. [PMID: 35369562 PMCID: PMC8815591 DOI: 10.34067/kid.0003752020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 07/13/2020] [Indexed: 05/12/2023]
Affiliation(s)
- Jonathan J. Hogan
- Division of Nephrology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
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Hanset N, Aydin S, Demoulin N, Cosyns JP, Castanares-Zapatero D, Crott R, Cambier JF, Pochet JM, Gillerot G, Reginster F, Houssiau F, Debiec H, Ronco P, Jadoul M, Morelle J. Podocyte Antigen Staining to Identify Distinct Phenotypes and Outcomes in Membranous Nephropathy: A Retrospective Multicenter Cohort Study. Am J Kidney Dis 2020; 76:624-635. [PMID: 32668319 DOI: 10.1053/j.ajkd.2020.04.013] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Accepted: 04/08/2020] [Indexed: 12/15/2022]
Abstract
RATIONALE & OBJECTIVE Membranous nephropathy (MN) is characterized by the deposition of immune complexes along glomerular basement membranes. M-Type phospholipase A2 receptor (PLA2R), thrombospondin type 1 domain-containing 7A (THSD7A), exostosin 1 and 2 (EXT1/2), and neural epidermal growth factor-like 1 protein (NELL-1) have been identified as established or potential podocyte antigens in MN. We investigated the association of podocyte antigen staining with MN clinical phenotype and outcomes. STUDY DESIGN Multicenter retrospective cohort study. SETTING & PARTICIPANTS 177 consecutive patients with MN unrelated to lupus erythematosus, identified after screening of 3,875 native kidney biopsies performed in the Belgian UCLouvain Kidney Disease Network from 2000 through 2018. PREDICTOR Positive immunostaining for podocyte antigens on archived kidney biopsy samples. OUTCOMES Association with different phenotypes (baseline characteristics of patients and pathologic findings on kidney biopsy), time to cancer and to kidney failure. ANALYTICAL APPROACH Kaplan-Meier estimates and Cox regression analyses to assess time to cancer and kidney failure. RESULTS 177 patients were followed up for a median of 4.0 (IQR, 1.3-8.0) years. Diagnosis of PLA2R-positive (PLA2R+), THSD7A+, and double-negative (PLA2R-/THSD7A-) MN was made in 117 (66.1%), 6 (3.4%), and 54 (30.5%) patients, respectively. Progression to kidney failure was similar in all groups. Although the number of patients with THSD7A+MN was small, they showed a higher incidence (50%) and increased risk for developing cancer during follow-up (adjusted HR, 5.0 [95% CI, 1.4-17.9]; P=0.01). 8% and 5% of patients with double-negative MN stained positively for EXT1/2 and NELL-1, respectively. Most patients with EXT1/2+MN were women, had features of systemic autoimmunity, and showed glomerular C1q deposits. LIMITATIONS Retrospective design; small number of patients in the THSD7A group; lack of evaluation of immunoglobulin G subclasses deposition. CONCLUSIONS Our real-world data describe the relative prevalence of subgroups of MN and support the hypothesis that a novel classification of MN based on podocyte antigen staining may be clinically relevant.
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Affiliation(s)
- Nicolas Hanset
- Division of Nephrology, Cliniques universitaires Saint-Luc, Brussels, Belgium; Institut de Recherche Expérimentale et Clinique, UCLouvain, Brussels, Belgium
| | - Selda Aydin
- Institut de Recherche Expérimentale et Clinique, UCLouvain, Brussels, Belgium; Department of Pathology, Cliniques universitaires Saint-Luc, Brussels, Belgium
| | - Nathalie Demoulin
- Division of Nephrology, Cliniques universitaires Saint-Luc, Brussels, Belgium; Institut de Recherche Expérimentale et Clinique, UCLouvain, Brussels, Belgium
| | - Jean-Pierre Cosyns
- Institut de Recherche Expérimentale et Clinique, UCLouvain, Brussels, Belgium; Department of Pathology, Cliniques universitaires Saint-Luc, Brussels, Belgium
| | | | - Ralph Crott
- Consultant in Biostatistics, Colombiers, France
| | | | - Jean-Michel Pochet
- Division of Nephrology, Cliniques universitaires Saint-Luc, Brussels, Belgium; Centre Hospitalier Universitaire UCLouvain-Namur, Namur, Belgium
| | | | | | - Frédéric Houssiau
- Institut de Recherche Expérimentale et Clinique, UCLouvain, Brussels, Belgium; Division of Rheumatology, Cliniques universitaires Saint-Luc, Brussels, Belgium
| | - Hanna Debiec
- Sorbonne Université, Université Pierre et Marie Curie Paris 06, Paris, France; Institut National de la Santé et de la Recherche Médicale, Unité Mixte de Recherche S 1155, Paris, France
| | - Pierre Ronco
- Sorbonne Université, Université Pierre et Marie Curie Paris 06, Paris, France; Institut National de la Santé et de la Recherche Médicale, Unité Mixte de Recherche S 1155, Paris, France; Assistance Publique-Hôpitaux de Paris, Hôpital de Jour de Néphrologie, Hôpital Tenon, Paris, France
| | - Michel Jadoul
- Division of Nephrology, Cliniques universitaires Saint-Luc, Brussels, Belgium; Institut de Recherche Expérimentale et Clinique, UCLouvain, Brussels, Belgium
| | - Johann Morelle
- Division of Nephrology, Cliniques universitaires Saint-Luc, Brussels, Belgium; Institut de Recherche Expérimentale et Clinique, UCLouvain, Brussels, Belgium.
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