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Esposito P, Caputo C, Repetto M, Somaschini A, Pietro B, Colomba P, Zizzo C, Parodi A, Zanetti V, Canepa M, Eustachi V, Sanguineri F, Mandich P, Viazzi F. Diagnosing Fabry nephropathy: the challenge of multiple kidney disease. BMC Nephrol 2023; 24:344. [PMID: 37990184 PMCID: PMC10664682 DOI: 10.1186/s12882-023-03388-8] [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: 09/27/2023] [Accepted: 11/03/2023] [Indexed: 11/23/2023] Open
Abstract
Fabry disease (FD) is an X-linked inherited lysosomal disorder due to a deficiency of the enzyme alpha-galactosidase A (α-gla) due to mutations in the GLA gene. These mutations result in plasma and lysosome accumulation of glycosphingolipids, leading to progressive organ damage and reduced life expectancy. Due to the availability of specific disease-modifying treatments, proper and timely diagnosis and therapy are essential to prevent irreversible complications. However, diagnosis of FD is often delayed because of the wide clinical heterogeneity of the disease and multiple organ involvement developing in variable temporal sequences. This observation is also valid for renal involvement, which may manifest with non-specific signs, such as proteinuria and chronic kidney disease, which are also common in many other nephropathies. Moreover, an additional confounding factor is the possibility of the coexistence of FD with other kidney disorders. Thus, suspecting and diagnosing FD nephropathy in patients with signs of kidney disease may be challenging for the clinical nephrologist. Herein, also through the presentation of a unique case of co-occurrence of autosomal dominant polycystic kidney disease and FD, we review the available literature on cases of coexistence of FD and other renal diseases and discuss the implications of these conditions. Moreover, we highlight the clinical, laboratory, and histological elements that may suggest clinical suspicion and address a proper diagnosis of Fabry nephropathy.
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Affiliation(s)
- Pasquale Esposito
- Department of Internal Medicine, University of Genoa, Genoa, Italy.
- Unit of Nephrology, Dialysis, and Transplantation, IRCCS Ospedale Policlinico San Martino, Genoa, Italy.
| | - Carmela Caputo
- Unit of Nephrology and Dialysis, Ospedale San Paolo, Savona, Italy
| | - Monica Repetto
- Unit of Nephrology and Dialysis, Ospedale San Paolo, Savona, Italy
| | - Alberto Somaschini
- Division of Cardiology and Cardiac Intensive Care Unit, Ospedale San Paolo, Savona, Italy
| | - Bellone Pietro
- Division of Cardiology and Cardiac Intensive Care Unit, Ospedale San Paolo, Savona, Italy
| | - Paolo Colomba
- Institute for Biomedical Research and Innovation (IRIB), National Research Council (CNR), Palermo, Italy
| | - Carmela Zizzo
- Institute for Biomedical Research and Innovation (IRIB), National Research Council (CNR), Palermo, Italy
| | - Angelica Parodi
- Unit of Nephrology, Dialysis, and Transplantation, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Valentina Zanetti
- Department of Internal Medicine, University of Genoa, Genoa, Italy
- Unit of Nephrology, Dialysis, and Transplantation, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Marco Canepa
- Department of Internal Medicine, University of Genoa, Genoa, Italy
- Cardiovascular Disease Unit, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Virginia Eustachi
- Department of Internal Medicine, University of Genoa, Genoa, Italy
- Cardiovascular Disease Unit, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Francesca Sanguineri
- Department of Neurosciences, Rehabilitation, Ophthalmology, Genetic and Maternal and Infantile Sciences, University of Genoa, Genoa, Italy
| | - Paola Mandich
- Department of Neurosciences, Rehabilitation, Ophthalmology, Genetic and Maternal and Infantile Sciences, University of Genoa, Genoa, Italy
- IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Francesca Viazzi
- Department of Internal Medicine, University of Genoa, Genoa, Italy
- Unit of Nephrology, Dialysis, and Transplantation, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
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Zhou LN, Dong SS, Zhang SZ, Huang LW, Huang W. Concurrent fabry disease and immunoglobulin a nephropathy: a case report. BMC Nephrol 2023; 24:324. [PMID: 37914990 PMCID: PMC10621085 DOI: 10.1186/s12882-023-03282-3] [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: 11/29/2022] [Accepted: 07/25/2023] [Indexed: 11/03/2023] Open
Abstract
BACKGROUND Fabry disease (FD) is an X-linked, hereditary dysfunction of glycosphingolipid storage caused by mutations in the GLA gene encoding alpha-galactosidase A enzyme. In rare cases, FD may coexist with immunoglobulin A nephropathy (IgAN). We describe a case of concurrent FD, IgAN, and dilated cardiomyopathy-causing mutations in the TTN and BAG3 genes, which has not been reported previously. CASE PRESENTATION A 60-year-old female patient was admitted with a one-week history of facial and lower-limb edema, two-year history of left ventricular hypertrophy and sinus bradycardia, and recurring numbness and pain in three lateral digits with bilateral thenar muscle atrophy. Renal biopsy revealed concurrent FD (confirmed via an alpha-galactosidase A enzyme assay, Lyso-GL-3 quantification, and GLA gene sequencing) and IgAN. Heterozygous mutations in the TTN (c.30,484 C > A;p.P10162T) and BAG3 (c.88 A > G;p.I30V) genes were observed. The patient reported that two of her brothers had undergone kidney transplantation; one died suddenly at 60 years of age, and the other required a cardiac pacemaker. The 35-year-old son of the patient was screened for the GLA gene mutation and found to be positive for the same mutation as the patient. The patient was administered oral losartan (50 mg/day). Enzyme replacement therapy was refused due to financial reasons. Her renal and cardiac functions were stable yet worth closely monitoring during follow-up. CONCLUSION The family history of patients with concurrent heart and renal diseases should be assessed in detail. Genetic testing and histological examinations are essential for diagnosing FD with IgAN.
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Affiliation(s)
- Li-Na Zhou
- Department of Nephrology, Wenzhou People's Hospital, The Third Affiliated Hospital of Shanghai University, Wenzhou, 325000, Zhejiang Province, China
| | - Shao-Shao Dong
- Department of Nephrology, Wenzhou People's Hospital, The Third Affiliated Hospital of Shanghai University, Wenzhou, 325000, Zhejiang Province, China
| | - Sheng-Ze Zhang
- Department of Nephrology, Wenzhou People's Hospital, The Third Affiliated Hospital of Shanghai University, Wenzhou, 325000, Zhejiang Province, China
| | - Li-Wa Huang
- Department of Nephrology, Wenzhou People's Hospital, The Third Affiliated Hospital of Shanghai University, Wenzhou, 325000, Zhejiang Province, China
| | - Wen Huang
- Department of Nephrology, The Second Affiliated Hospital of Wenzhou Medical University, No. 108 College Road, Wenzhou, 325000, Zhejiang Province, China.
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Choung HYG, Jean-Gilles J, Goldman B. Myeloid bodies is not an uncommon ultrastructural finding. Ultrastruct Pathol 2022; 46:130-138. [PMID: 35100945 DOI: 10.1080/01913123.2021.2022054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
The presence of myeloid bodies (MBs) is classically associated with Fabry disease (FD). However, MBs are also identified in patients without clinical evidence of FD. We attempt to further understand the clinicopathologic significance of incidental MBs in those without FD. Among the 4400 renal biopsies accessioned at the University of Rochester Medical Center from 2010 to 2021, we identified 32 cases showing MBs, 6 of which had FD. Medications were compared between a non-FG and a control-group of randomly selected cases without MBs (non-MBs). Both Fabry-group (FG) and non-Fabry-group (non-FG) were predominantly middle-aged (mean 48 years vs 56, respectively). Non-FG had slight female predominance (1:4), while all in FG were female. The majority of both non-FG and non-MBs cohort were on the same medications reported to cause phospholipidosis except sertraline and hydralazine (p = .04), which were more frequent in non-FG. Ultrastructurally, non-FG tended to show focal MBs in predominantly podocytes, while FG showed more extensive MBs in not only podocytes but also parietal, tubular, endothelial, and myocyte cells (p = .03). In addition, half of FG had another superimposed renal disease including kappa-light chain deposition disease, thin-basement membrane nephropathy, and lithium-related changes. MBs are encountered not only in FD but in other settings including CADs, toxins, and other inheritable diseases. Although secondary causes of MBs typically show less extensive involvement compared to FD, these features overlap. Given the challenges in diagnosing female carriers, the finding of MBs, though not specific to FD, may be the only clue that leads to further work-up and timely diagnosis, underscoring the importance of considering FD among other etiologies in differential diagnosis.
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Affiliation(s)
- Hae Yoon Grace Choung
- Department of Pathology and Laboratory Medicine, Division of Renal Pathology and Electron Microscopy, University of Rochester Medical Center, Rochester, NY, USA
| | - Jerome Jean-Gilles
- Department of Pathology and Laboratory Medicine, Division of Renal Pathology and Electron Microscopy, University of Rochester Medical Center, Rochester, NY, USA
| | - Bruce Goldman
- Department of Pathology and Laboratory Medicine, Division of Renal Pathology and Electron Microscopy, University of Rochester Medical Center, Rochester, NY, USA
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Rossi F, Svarstad E, Elsaid H, Binaggia A, Roggero L, Auricchio S, Marti HP, Pieruzzi F. Elevated Ambulatory Blood Pressure Measurements are Associated with a Progressive Form of Fabry Disease. High Blood Press Cardiovasc Prev 2021; 28:309-319. [PMID: 33844184 PMCID: PMC8087548 DOI: 10.1007/s40292-021-00450-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Accepted: 03/30/2021] [Indexed: 01/05/2023] Open
Abstract
INTRODUCTION: Published data on hypertension incidence and management in Anderson-Fabry disease are scant and the contribution of elevated blood pressure to organ damage is not well recognized. AIM Therefore, we have assessed blood pressure values and their possible correlations with clinical findings in a well described cohort of Fabry patients. METHODS Between January 2015 and May 2019, all adult Fabry patients (n = 24 females, n = 8 males) referred to our institute were prospectively enrolled. During the first examination patient's genotype and clinical characteristics were recorded. Blood pressure data were obtained by standard observed office measurements followed, within 6 months, by ambulatory blood pressure monitoring and home self-recordings. Organ involvement, including kidneys, heart and brain, was monitored over time. Consequently, patients were defined as clinically stable or progressive through the Fabry Stabilization Index. RESULTS The standard office measurements have diagnosed hypertension in three (9.37%) patients, but the ambulatory monitoring showed elevated blood pressure in six (18.75%) patients, revealing three cases of masked hypertension. All the hypertensive patients were females and, compared with normotensive subjects, they presented a lower glomerular filtration rate (p < 0.05) and a more advanced cardiac hypertrophy (p < 0.05). Four (66.7%) of them were diagnosed with a progressive form of the disease through the Fabry Stabilization Index while the majority of the normotensive group (84.6%, n = 19) was stable over time. No correlation was found between the prevalence of hypertension and the type of mutations causing Fabry disease. CONCLUSION Hypertension can be found in a restricted portion of clinically stable Fabry patients. In contrast, patients presenting with a progressive organ involvement, particularly renal impairment, have a major risk of developing uncontrolled blood pressure, and should be followed carefully. Moreover, the ambulatory blood pressure monitoring proved to be useful to reveal masked hypertension, which can contribute to the progressive worsening of the organ damage. Therefore, a proper diagnosis and therapy of hypertension may improve the outcome of Fabry patients.
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Affiliation(s)
- Federica Rossi
- Department of Medicine and Surgery, University of Milano-Bicocca, Via G.B. Pergolesi, 33, 20900, Monza, Italy.
| | - Einar Svarstad
- Department of Clinical Medicine, University of Bergen, Bergen, Norway
| | - Hassan Elsaid
- Department of Medicine, Haukeland University Hospital, Bergen, Norway
| | - Agnese Binaggia
- Nephrology and Dialysis Unit, ASST-Monza, San Gerardo Hospital, Monza, Italy
| | - Letizia Roggero
- Department of Medicine and Surgery, University of Milano-Bicocca, Via G.B. Pergolesi, 33, 20900, Monza, Italy
| | - Sara Auricchio
- Nephrology and Dialysis Unit, ASST-Monza, San Gerardo Hospital, Monza, Italy
| | - Hans-Peter Marti
- Department of Clinical Medicine, University of Bergen, Bergen, Norway
- Department of Medicine, Haukeland University Hospital, Bergen, Norway
| | - Federico Pieruzzi
- Department of Medicine and Surgery, University of Milano-Bicocca, Via G.B. Pergolesi, 33, 20900, Monza, Italy
- Nephrology and Dialysis Unit, ASST-Monza, San Gerardo Hospital, Monza, Italy
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Lei L, Oh G, Sutherland S, Abra G, Higgins J, Sibley R, Troxell M, Kambham N. Myelin bodies in LMX1B-associated nephropathy: potential for misdiagnosis. Pediatr Nephrol 2020; 35:1647-1657. [PMID: 32356190 DOI: 10.1007/s00467-020-04564-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Revised: 03/20/2020] [Accepted: 03/30/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND Myelin figures, or zebra bodies, seen on electron microscopy were historically considered pathognomonic of Fabry disease, a rare lysosomal storage disorder caused by alpha-galactosidase A deficiency and associated with X-linked recessive mode of inheritance. More recently, iatrogenic phospholipidosis has emerged as an important alternate cause of myelin figures in the kidney. METHODS We report two families with autosomal dominant nephropathy presenting with proteinuria and microscopic hematuria, and the kidney biopsies were notable for the presence of myelin figures and zebra bodies. RESULTS Laboratory and genetic work-up for Fabry disease was negative. Genetic testing in both families revealed the same heterozygous missense mutation in LMX1B (C.737G>A, p.Arg246Gln). LMX1B mutations are known to cause nail-patella syndrome, featuring dysplastic nails and patella with or without nephropathy, as well as isolated LMX1B-associated nephropathy in the absence of extrarenal manifestations. CONCLUSIONS LMX1B mutation-associated nephropathy should be considered in hereditary cases of proteinuria and/or hematuria, even in the absence of unique glomerular basement membrane changes indicative of nail-patella syndrome. In addition, LMX1B mutation should be included in the differential diagnosis of myelin figures and zebra bodies on kidney biopsy, so as to avoid a misdiagnosis.
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Affiliation(s)
- Li Lei
- Department of Pathology, Stanford University, H2110, 300 Pasteur Drive, Stanford, CA, 94305, USA
| | - Gia Oh
- Randall Children's Hospital, Portland, OR, USA
| | - Scott Sutherland
- Department of Pediatrics & Division of Nephrology, Stanford University, Stanford, CA, USA
| | | | - John Higgins
- Department of Pathology, Stanford University, H2110, 300 Pasteur Drive, Stanford, CA, 94305, USA
| | - Richard Sibley
- Department of Pathology, Stanford University, H2110, 300 Pasteur Drive, Stanford, CA, 94305, USA
| | - Megan Troxell
- Department of Pathology, Stanford University, H2110, 300 Pasteur Drive, Stanford, CA, 94305, USA
| | - Neeraja Kambham
- Department of Pathology, Stanford University, H2110, 300 Pasteur Drive, Stanford, CA, 94305, USA.
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