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Nadeem U, Raafey M, Kim G, Treger J, Pytel P, N Husain A, Schulte JJ. Chloroquine- and Hydroxychloroquine-Induced Cardiomyopathy: A Case Report and Brief Literature Review. Am J Clin Pathol 2021; 155:793-801. [PMID: 33316045 PMCID: PMC7799247 DOI: 10.1093/ajcp/aqaa253] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
OBJECTIVES To present an index case and review the histologic and electron microscopic findings in chloroquine (CQ) and hydroxychloroquine (HCQ) myopathy, focusing primarily on cardiomyopathy. CQ and HCQ are antimalarial drugs with disease-modifying activity in rheumatic diseases (DMARD) and now are among the most widely used DMARDs. Although they are rare, severe adverse effects caused mainly by deposition of intracellular metabolites in both cardiac and skeletal muscle have been described. Currently, both CQ and HCQ have been proposed to have efficacy for patients with coronavirus disease 2019, and several large centers in the United States and other countries have started clinical trials. METHODS A case of HCQ cardiotoxicity diagnosed on an endomyocardial biopsy is presented. A review of the pathology archives was performed to identify additional cases of CQ or HCQ myopathy, and histologic changes were recorded. A brief literature review with an emphasis on pathologic findings in myopathies was performed. RESULTS Including the index case, 4 cases of CQ or HCQ myopathy were identified. Light microscopic findings included vacuolated myopathy, and electron microscopic findings included myeloid bodies and curvilinear inclusion bodies. CONCLUSION CQ and HCQ myopathy can present following long-term administration of the drug. The pathologic findings are nonspecific and overlap with other vacuolated myopathies, necessitating careful correlation of the histologic changes with the patient's medical history.
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Affiliation(s)
- Urooba Nadeem
- Department of Pathology, University of Chicago, Chicago, IL
| | - Muhammad Raafey
- Department of Cell and Molecular Medicine, Rush University, Chicago, IL
| | - Gene Kim
- Department of Medicine, Section of Cardiology, University of Chicago, Chicago, IL
| | - Jerermy Treger
- Department of Medicine, Section of Cardiology, University of Chicago, Chicago, IL
| | - Peter Pytel
- Department of Pathology, University of Chicago, Chicago, IL
| | - Aliya N Husain
- Department of Pathology, University of Chicago, Chicago, IL
| | - Jefree J Schulte
- Department of Pathology, University of Chicago, Chicago, IL
- Department of Pathology and Laboratory Medicine, University of Wisconsin, Madison
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Santi M, Finamore F, Cecchettini A, Santorelli FM, Doccini S, Rocchiccioli S, Signore G. Protein Delivery by Peptide-Based Stealth Liposomes: A Biomolecular Insight into Enzyme Replacement Therapy. Mol Pharm 2020; 17:4510-4521. [PMID: 33112630 DOI: 10.1021/acs.molpharmaceut.0c00615] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Infantile neural ceroid lipofuscinosis (INCL) is a lysosomal storage disorder characterized by mutations in the CLN1 gene that leads to lack of the lysosomal enzyme palmitoyl-protein thioesterase-1 (PPT1), which causes the progressive death of cortical neurons. Enzyme replacement therapy (ERT) is one of the most promising treatments, but its translation toward a clinical use is hampered by the need to deliver the enzyme to the central nervous system and a more detailed understanding of its capability to restore physiologic conditions at the biochemical and protein level, beyond the simple regulation of enzymatic activity. Targeted nanoparticles can promote protein delivery to the central nervous system and affect biological pathways inside cells. Here, we describe an innovative peptide-based stealth nanoparticle that inhibits serum protein adsorption exploiting transferrin-driven internalization to convey the PPT1 enzyme to transferrin receptor-mediated pathways (endocytosis in this work, or transcytosis, in perspective, in vivo). These enzyme-loaded nanoparticles were able to restore stable levels of enzymatic activity in CLN1 patient's fibroblasts, comparable with the free enzyme, demonstrating that delivery after encapsulation in the nanocarrier does not alter uptake or intracellular trafficking. We also investigate, for the first time, dysregulated pathways of proteome and palmitoylome and their alteration upon enzyme delivery. Our nanoparticles were able of halving palmitoylated protein levels restoring conditions similar to the normal cells. From proteomic analysis, we also highlighted the reduction of the different groups of proteins after treatments with the free or encapsulated enzyme. In conclusion, our system is able to deliver the enzyme to a model of CLN1 disease restoring normal conditions in cells. Investigation of molecular details of pathologic state and enzyme-based correction reveals dysregulated pathways with unprecedented details for CLN1. Finally, we unveil for the first time the dysregulation landscape of palmitoylome and proteome in primary patient-derived fibroblasts and their modifications in response to enzyme administration. These findings will provide a guideline for the validation of future therapeutic strategies based on enzyme replacement therapy or acting at different metabolic levels.
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Affiliation(s)
- Melissa Santi
- Center for Nanotechnology Innovation@NEST, Istituto Italiano di Tecnologia, Pisa 56127, Italy.,NEST, Scuola Normale Superiore and Istituto Nanoscienze-CNR, Pisa 56127, Italy
| | | | | | | | | | | | - Giovanni Signore
- NEST, Scuola Normale Superiore and Istituto Nanoscienze-CNR, Pisa 56127, Italy.,Fondazione Pisana per la Scienza, Pisa 56017, Italy
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Abstract
Atherosclerotic plaque formation starts early in life, develops silently over decades, and often displays clear evidence of accelerated biological aging. Lipofuscin has been classically defined as "the most consistent and phylogenetically conserved cellular morphologic change of aging," however, despite this traditional view different lines of evidence have recently demonstrated that, besides aging, various noxious influences can engeder its accumulation in cells and also that specific experimental conditions can revert this effect. Lipofuscin has been also proven to interact with disease-related factors to enhance cell loss. Along with lipofuscin, ceroid, another autofluorescent lipopigment usually produced under various pathological conditions unrelated to aging, has been suggested to jeopardize cell performance and viability by inducing membrane fragility, mitochondrial dysfunction, DNA damage, and oxidative stress-induced apoptosis. With regard to atherosclerosis, very few investigations have been conducted to assess whether a link could exist between lipofuscin/ceroid accumulation and the progression of the disease and no information still exist regarding the anatomy and the ultrastructural diversification of lipofuscin and ceroid in the lesional vascular tissue. At the same time, data concerning their potential toxicity at the cellular level are fragmentary, dated, and scarce. The present study investigates the occurrence and distribution of lipofuscin and ceroid in human atherosclerotic plaque and adjacent healthy tissues and analyzes the ultrastructural changes associated with their accumulation within the cell.
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Affiliation(s)
- Ida Perrotta
- a Department of Biology, Ecology and Earth Sciences, Centre for Microscopy and Microanalysis, Transmission Electron Microscopy Laboratory , University of Calabria , Cosenza , Italy
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Affiliation(s)
- K Tselios
- Centre for Prognosis Studies in the Rheumatic Diseases, Toronto Lupus Clinic, University Health Network, Toronto, ON, Canada
| | - M Deeb
- Centre for Prognosis Studies in the Rheumatic Diseases, Toronto Lupus Clinic, University Health Network, Toronto, ON, Canada
| | - D D Gladman
- Centre for Prognosis Studies in the Rheumatic Diseases, Toronto Lupus Clinic, University Health Network, Toronto, ON, Canada
| | - P Harvey
- Department of Medicine, University of Toronto, Physician-in-Chief, Women's College Hospital, Toronto, ON, Canada
| | - M B Urowitz
- Centre for Prognosis Studies in the Rheumatic Diseases, Toronto Lupus Clinic, University Health Network, Toronto, ON, Canada
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TÖNNESMANN ERNST, STROEHMANN INGO, KANDOLF REINHARD, WOLBURG HARTWIG, STRACH KATHARINA, MUSSHOFF FRANK, TIEMANN KLAUS, LEWALTER THORSTEN. Cardiomyopathy Caused by Longterm Treatment with Chloroquine: A Rare Disease, or a Rare Diagnosis? J Rheumatol 2012; 39:1099-103. [DOI: 10.3899/jrheum.110959] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Bisceglia M, Carosi I, D'Errico M, Di Giorgio G, Castagnoli A, Pasquinelli G. Lipofuscin-like granules of the juxtaglomerular apparatus of the kidney. The diagnostic significance of a quasi-normal subcellular structure incidentally encountered in the course of routine ultrastructural evaluation of renal biopsies. Pathol Res Pract 2011; 207:79-85. [PMID: 21159450 DOI: 10.1016/j.prp.2010.11.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2010] [Accepted: 11/04/2010] [Indexed: 01/10/2023]
Abstract
Lipofuscin-like granules, first described by Biava and West in 1965, are a subcellular, quasi-physiologic finding mainly seen in the smooth muscle cells of renal arterioles, but also in juxtaglomerular cells and the lacis cells of human kidneys. They increase in number in subjects affected by arterial hypertension and diabetes. They do not correlate with a specific primary renal disease. Lipofuscin-like granules are not related to renin granules. The world literature on this subject is almost non-existent, and the awareness of this finding or its clinical significance among either pathologists or nephrologists is very poor. We incidentally observed these lipofuscin-like granules in 8 cases during the routine electron microscope examination of 440 renal biopsies, and report herein on their ultrastructural features. Six of these 8 patients were affected by arterial hypertension, one of whom was also concomitantly affected by diabetes mellitus. These lipofuscin-like granules appear as dense bodies with a lipid component, a coarsely granular matrix, and a crystalloid component which may appear in a band or dot pattern, according to the plane of sectioning. The pathologist has to be aware of these lipofuscin-like granules in order not to confuse them with the semicircularly organized (fingerprint) linear immune deposits associated with some specific glomerulopathies.
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Affiliation(s)
- Michele Bisceglia
- Unit of Anatomic Pathology, IRCCS Casa Sollievo della Sofferenza Hospital, 71403 San Giovanni Rotondo (FG), Italy.
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Papa V, Tarantino L, Preda P, Badiali De Giorgi L, Fanin M, Pegoraro E, Angelini C, Cenacchi G. The Role of Ultrastructural Examination in Storage Diseases. Ultrastruct Pathol 2010; 34:243-51. [DOI: 10.3109/01913121003780593] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Fealey ME, Edwards WD, Grogan M, Orszulak TA. Neuronal ceroid lipofuscinosis in a 31-year-old woman presenting as biventricular heart failure with restrictive features. Cardiovasc Pathol 2009; 18:44-8. [PMID: 18402812 DOI: 10.1016/j.carpath.2007.09.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2007] [Revised: 09/18/2007] [Accepted: 09/19/2007] [Indexed: 11/24/2022] Open
Abstract
A 31-year-old woman presented with dyspnea and left-sided chest discomfort and was found to have biventricular heart failure with impaired ventricular filling. Clinically, she was thought to have restrictive cardiomyopathy or constrictive pericarditis. Transmission electron microscopy of myocardial tissue unexpectedly revealed crosshatched, curvilinear, and fingerprint depositions, which were characteristic for neuronal ceroid lipofuscinosis. Cardiac involvement by this inherited disorder is discussed in light of the findings in this patient and in 15 other reported cases.
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