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Peter E, Honnorat J, Desestret V. Paraneoplastic neurologic syndrome associated with gynecologic and breast malignancies. HANDBOOK OF CLINICAL NEUROLOGY 2024; 200:409-417. [PMID: 38494293 DOI: 10.1016/b978-0-12-823912-4.00014-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
Gynecologic and breast malignancies are the cancers most commonly associated with paraneoplastic neurologic syndromes, of which the foremost is Yo [Purkinje cell antibody, type 1 (PCA-1)] paraneoplastic cerebellar degeneration. Yo syndrome affects women in the sixth decade and manifests as a subacute severe cerebellar ataxia. The association of the typical clinical picture with the detection of Yo antibodies in a patient's serum or CSF defines the diagnosis. Yo syndrome is always associated with a cancer, and the search for the underlying tumor should focus on ovarian and breast cancers and be repeated overtime if negative. The Yo autoantibodies are directed against the Yo antigens, aberrantly overexpressed by tumor cells with frequent somatic mutations and gene amplifications. The massive infiltration of these tumors by immune cells suggests that they are the site of the immune tolerance breakdown, leading to the destruction of Purkinje cells harboring the Yo antigens. Despite a growing understanding of the immunologic mechanisms, efficient therapeutic options are still lacking. Anti-Ri and antiamphiphysin syndromes are rarer and associated with breast cancers; a wide variety of other rare paraneoplastic neurologic syndromes have been described in association with gynecologic and breast malignancies that, though sharing some similarities, may have specific immune and genetics features leading to the immune tolerance breakdown.
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Affiliation(s)
- Elise Peter
- French Reference Center for Paraneoplastic Neurological Syndromes, Hospices Civils de Lyon, Lyon, France; Synaptopathies and Autoantibodies (SynatAc) Team, Institut MeLis, Inserm U1314, UMR CNRS 5284, University Claude Bernard Lyon 1, Lyon, France
| | - Jérôme Honnorat
- French Reference Center for Paraneoplastic Neurological Syndromes, Hospices Civils de Lyon, Lyon, France; Synaptopathies and Autoantibodies (SynatAc) Team, Institut MeLis, Inserm U1314, UMR CNRS 5284, University Claude Bernard Lyon 1, Lyon, France.
| | - Virginie Desestret
- French Reference Center for Paraneoplastic Neurological Syndromes, Hospices Civils de Lyon, Lyon, France; Synaptopathies and Autoantibodies (SynatAc) Team, Institut MeLis, Inserm U1314, UMR CNRS 5284, University Claude Bernard Lyon 1, Lyon, France
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Peng Y, Yang H, Xue YH, Chen Q, Jin H, Liu S, Yao SY, Du MQ. An update on malignant tumor-related stiff person syndrome spectrum disorders: clinical mechanism, treatment, and outcomes. Front Neurol 2023; 14:1209302. [PMID: 37859648 PMCID: PMC10582361 DOI: 10.3389/fneur.2023.1209302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Accepted: 09/01/2023] [Indexed: 10/21/2023] Open
Abstract
Stiff person syndrome (SPS) is a rare central nervous system disorder associated with malignancies. In this review, we retrieved information from PubMed, up until August 2023, using various search terms and their combinations, including SPS, stiff person syndrome spectrum disorders (SPSSDs), paraneoplastic, cancer, and malignant tumor. Data from peer-reviewed journals printed in English were organized to explain the possible relationships between different carcinomas and SPSSD subtypes, as well as related autoantigens. From literature searching, it was revealed that breast cancer was the most prevalent carcinoma linked to SPSSDs, followed by lung cancer and lymphoma. Furthermore, classic SPS was the most common SPSSD subtype, followed by stiff limb syndrome and progressive encephalomyelitis with rigidity and myoclonus. GAD65 was the most common autoantigen in patients with cancer and SPSSDs, followed by amphiphysin and GlyR. Patients with cancer subtypes might have multiple SPSSD subtypes, and conversely, patients with SPSSD subtypes might have multiple carcinoma subtypes. The first aim of this review was to highlight the complex nature of the relationships among cancers, autoantigens, and SPSSDs as new information in this field continues to be generated globally. The adoption of an open-minded approach to updating information on new cancer subtypes, autoantigens, and SPSSDs is recommended to renew our database. The second aim of this review was to discuss SPS animal models, which will help us to understand the mechanisms underlying the pathogenesis of SPS. In future, elucidating the relationship among cancers, autoantigens, and SPSSDs is critical for the early prediction of cancer and discovery of new therapeutic modalities.
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Affiliation(s)
- Yong Peng
- Department of Neurology, Affiliated First Hospital of Hunan Traditional Chinese Medical College, Zhuzhou, Hunan, China
- The Third Affiliated Hospital of Hunan University of Chinese Medicine, Zhuzhou, Hunan, China
| | - Huan Yang
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Ya-hui Xue
- Department of Neurology, Affiliated First Hospital of Hunan Traditional Chinese Medical College, Zhuzhou, Hunan, China
- The Third Affiliated Hospital of Hunan University of Chinese Medicine, Zhuzhou, Hunan, China
| | - Quan Chen
- Department of Neurology, Affiliated First Hospital of Hunan Traditional Chinese Medical College, Zhuzhou, Hunan, China
- The Third Affiliated Hospital of Hunan University of Chinese Medicine, Zhuzhou, Hunan, China
| | - Hong Jin
- Department of Neurology, Affiliated First Hospital of Hunan Traditional Chinese Medical College, Zhuzhou, Hunan, China
- The Third Affiliated Hospital of Hunan University of Chinese Medicine, Zhuzhou, Hunan, China
| | - Shu Liu
- Department of Neurology, Affiliated First Hospital of Hunan Traditional Chinese Medical College, Zhuzhou, Hunan, China
- The Third Affiliated Hospital of Hunan University of Chinese Medicine, Zhuzhou, Hunan, China
| | - Shun-yu Yao
- Department of Neurology, Affiliated First Hospital of Hunan Traditional Chinese Medical College, Zhuzhou, Hunan, China
- The Third Affiliated Hospital of Hunan University of Chinese Medicine, Zhuzhou, Hunan, China
| | - Miao-qiao Du
- Department of Neurology, Affiliated First Hospital of Hunan Traditional Chinese Medical College, Zhuzhou, Hunan, China
- The Third Affiliated Hospital of Hunan University of Chinese Medicine, Zhuzhou, Hunan, China
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Yohannan B, Sridhar A, Kachira JJ, Jafri SH. Glutamic acid decarboxylase (GAD) antibody-positive paraneoplastic stiff person syndrome associated with mediastinal liposarcoma. BMJ Case Rep 2022; 15:e250639. [PMID: 35798497 PMCID: PMC9263943 DOI: 10.1136/bcr-2022-250639] [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] [Accepted: 06/30/2022] [Indexed: 11/04/2022] Open
Abstract
Stiff person syndrome (SPS) is a rare, debilitating neurological illness characterised by rigidity and spasms of the axial muscles, causing severe restrictions to mobility. SPS can be classic, partial or paraneoplastic. We report a case of a young woman who presented with seizures and painful spasms of the thoracolumbar muscles who was subsequently diagnosed with SPS. Serological work revealed glutamic acid decarboxylase (GAD) antibodies and imaging showed a large mediastinal mass. The patient underwent surgical resection of the mediastinal mass and final pathology revealed well-differentiated mediastinal liposarcoma. She received five sessions of plasma exchange and her neurological symptoms gradually improved after surgery. This case highlights a rare case of GAD antibody-positive paraneoplastic SPS associated with mediastinal liposarcoma.
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Affiliation(s)
- Binoy Yohannan
- Hematology and Oncology, The University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Arthi Sridhar
- Hematology and Oncology, The University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Johncy John Kachira
- Health Services Research, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Syed H Jafri
- Hematology and Oncology, The University of Texas Health Science Center at Houston, Houston, Texas, USA
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Li TR, Zhang YD, Wang Q, Shao XQ, Li ZM, Lv RJ. Intravenous methylprednisolone or immunoglobulin for anti-glutamic acid decarboxylase 65 antibody autoimmune encephalitis: which is better? BMC Neurosci 2020; 21:13. [PMID: 32228575 PMCID: PMC7106675 DOI: 10.1186/s12868-020-00561-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Accepted: 03/21/2020] [Indexed: 01/14/2023] Open
Abstract
BACKGROUND Patients positive for anti-glutamic acid decarboxylase 65 (GAD65) antibodies have attracted increasing attention. Their clinical manifestations are highly heterogeneous and can be comorbid with tumors. Currently, there is no consensus on the therapeutic regimen for anti-GAD65-associated neurological diseases due to the clinical complexity, rarity and sporadic distribution. We reported six anti-GAD65 autoimmune encephalitis (AE) patients who received intravenous methylprednisolone (IVMP) or immunoglobulin (IVIG) or both. Then, we evaluated the therapeutic effect of both by summarizing results in previous anti-GAD65 AE patients from 70 published references. RESULTS Our six patients all achieved clinical improvements in the short term. Unfortunately, there was no significant difference between IVMP and IVIG in terms of therapeutic response according to the previous references, and the effectiveness of IVMP and IVIG was 45.56% and 36.71%, respectively. We further divided the patients into different subgroups according to their prominent clinical manifestations. The response rates of IVMP and IVIG were 42.65% and 32.69%, respectively, in epilepsy patients; 60.00% and 77.78%, respectively, in patients with stiff-person syndrome; and 28.57% and 55.56%, respectively, in cerebellar ataxia patients. Among 29 anti-GAD65 AE patients with tumors, the response rates of IVMP and IVIG were 29.41% and 42.11%, respectively. There was no significant difference in effectiveness between the two regimens among the different subgroups. CONCLUSION Except for stiff-person syndrome, we found that this kind of AE generally has a poor response to IVMP or IVIG. Larger prospective studies enrolling large numbers of patients are required to identify the optimal therapeutic strategy in the future.
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Affiliation(s)
- Tao-Ran Li
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University; China National Clinical Research Center for Neurological Diseases, 119 South Fourth Ring West Road, Fengtai District, Beijing, 100070, People's Republic of China.,Department of Neurology, Xuanwu Hospital of Capital Medical University, 45 Chang Chun Road, Xicheng District, Beijing, 100053, People's Republic of China
| | - Yu-Di Zhang
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University; China National Clinical Research Center for Neurological Diseases, 119 South Fourth Ring West Road, Fengtai District, Beijing, 100070, People's Republic of China.,Department of Neurology, the Second Hospital of Hebei Medical University, Hebei Medical University, 215 Heping West Road, Xinhua District, Shijiazhuang, 050000, People's Republic of China
| | - Qun Wang
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University; China National Clinical Research Center for Neurological Diseases, 119 South Fourth Ring West Road, Fengtai District, Beijing, 100070, People's Republic of China
| | - Xiao-Qiu Shao
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University; China National Clinical Research Center for Neurological Diseases, 119 South Fourth Ring West Road, Fengtai District, Beijing, 100070, People's Republic of China
| | - Zhi-Mei Li
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University; China National Clinical Research Center for Neurological Diseases, 119 South Fourth Ring West Road, Fengtai District, Beijing, 100070, People's Republic of China
| | - Rui-Juan Lv
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University; China National Clinical Research Center for Neurological Diseases, 119 South Fourth Ring West Road, Fengtai District, Beijing, 100070, People's Republic of China.
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Abstract
PURPOSE OF REVIEW This review highlights the recent developments in immune-mediated movement disorders and how they reflect on clinical practice and our understanding of the underlying pathophysiological mechanisms. RECENT FINDINGS The antibody spectrum associated with stiff person syndrome and related disorders (SPSD) has broadened and, apart from the classic glutamic acid decarboxylase (GAD)- and amphiphysin-antibodies, includes now also antibodies against dipeptidyl-peptidase-like protein-6 (DPPX), gamma-aminobutyric acid type A receptor (GABAAR), glycine receptor (GlyR) and glycine transporter 2 (GlyT2). The field of movement disorders with neuronal antibodies keeps expanding with the discovery for example of antibodies against leucine rich glioma inactivated protein 1 (LGI1) and contactin associated protein 2 (Caspr2) in chorea, or antibodies targeting ARHGAP26- or Na/K ATPase alpha 3 subunit (ATP1A3) in cerebellar ataxia. Moreover, neuronal antibodies may partly account for movement disorders attributed for example to Sydenham's chorea, coeliac disease, or steroid responsive encephalopathy with thyroid antibodies. Lastly, there is an interface of immunology, genetics and neurodegeneration, e.g. in Aicardi-Goutières syndrome or the tauopathy with IgLON5-antibodies. SUMMARY Clinicians should be aware of new antibodies such as dipeptidyl-peptidase-like protein-6, gamma-aminobutyric acid type A receptor and glycine transporter 2 in stiff person syndrome and related disorders, as well as of the expanding spectrum of immune-mediated movement disorders.
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Pittock SJ, Palace J. Paraneoplastic and idiopathic autoimmune neurologic disorders: approach to diagnosis and treatment. HANDBOOK OF CLINICAL NEUROLOGY 2016; 133:165-83. [PMID: 27112677 DOI: 10.1016/b978-0-444-63432-0.00010-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Autoimmune neurology is a rapidly emerging new subspecialty that encompasses the diagnosis and treatment of neurologic disorders with an autoimmune (paraneoplastic or noncancer-associated) basis. The last decade has seen a dramatic rise in the discovery of neural-specific autoantibodies and their target antigens. Laboratory testing, on a service basis, is now available for most of these neural-specific autoantibodies and they serve as diagnostic markers, in some instances directing the physician toward specific cancer types (e.g., N-methyl-d-aspartate receptor antibodies for teratoma; CRMP5-IgG for small-cell cancer) and assisting in therapeutic decision making. Antibodies targeting intracellular proteins (nuclear and intracytoplasmic enzymes, transcription factors, and RNA binding proteins) serve as markers of cytotoxic effector T-cell-mediated injury and are generally poorly responsive to immunotherapy. By contrast, antibodies targeting plasma membrane proteins that are extracellular and accessible (neurotransmitter receptors, ion channels, water channels, and channel-complex proteins) may act as pathogenic effectors and often imply immunotherapy responsiveness. Magnetic resonance imaging, electrophysiologic studies, functional imaging, and neuropsychologic evaluations provide objective evidence of neurologic dysfunction by which the success of immunotherapy may be measured.
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Affiliation(s)
- Sean J Pittock
- Departments of Laboratory Medicine/Pathology and Neurology, Mayo Clinic, College of Medicine, Rochester, MN, USA.
| | - Jacqueline Palace
- Department of Clinical Neurology, John Radcliffe Hospital, Oxford, UK
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Ariño H, Höftberger R, Gresa-Arribas N, Martínez-Hernández E, Armangue T, Kruer MC, Arpa J, Domingo J, Rojc B, Bataller L, Saiz A, Dalmau J, Graus F. Paraneoplastic Neurological Syndromes and Glutamic Acid Decarboxylase Antibodies. JAMA Neurol 2015; 72:874-81. [PMID: 26099072 DOI: 10.1001/jamaneurol.2015.0749] [Citation(s) in RCA: 131] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
IMPORTANCE Little is known of glutamic acid decarboxylase antibodies (GAD-abs) in the paraneoplastic context. Clinical recognition of such cases will lead to prompt tumor diagnosis and appropriate treatment. OBJECTIVE To report the clinical and immunological features of patients with paraneoplastic neurological syndromes (PNS) and GAD-abs. DESIGN, SETTING, AND PARTICIPANTS Retrospective case series study and immunological investigations conducted in February 2014 in a center for autoimmune neurological disorders. Fifteen cases with GAD65-abs evaluated between 1995 and 2013 who fulfilled criteria of definite or possible PNS without concomitant onconeural antibodies were included in this study. MAIN OUTCOMES AND MEASURES Analysis of the clinical records of 15 patients and review of 19 previously reported cases. Indirect immunofluorescence with rat hippocampal neuronal cultures and cell-based assays with known neuronal cell-surface antigens were used. One hundred six patients with GAD65-abs and no cancer served as control individuals. RESULTS Eight of the 15 patients with cancer presented as classic paraneoplastic syndromes (5 limbic encephalitis, 1 paraneoplastic encephalomyelitis, 1 paraneoplastic cerebellar degeneration, and 1 opsoclonus-myoclonus syndrome). When compared with the 106 non-PNS cases, those with PNS were older (median age, 60 years vs 48 years; P = .03), more frequently male (60% vs 13%; P < .001), and had more often coexisting neuronal cell-surface antibodies, mainly against γ-aminobutyric acid receptors (53% vs 11%; P < .001). The tumors more frequently involved were lung (n = 6) and thymic neoplasms (n = 4). The risk for an underlying tumor was higher if the presentation was a classic PNS, if it was different from stiff-person syndrome or cerebellar ataxia (odds ratio, 10.5; 95% CI, 3.2-34.5), or if the patient had coexisting neuronal cell-surface antibodies (odds ratio, 6.8; 95% CI, 1.1-40.5). Compared with the current series, the 19 previously reported cases had more frequent stiff-person syndrome (74% vs 13%; P = .001) and better responses to treatment (79% vs 27%; P = .005). Predictors of improvement in the 34 patients (current and previously reported) included presentation with stiff-person syndrome and the presence of a thymic tumor. CONCLUSIONS AND RELEVANCE Patients with GAD-abs must be screened for an underlying cancer if they have clinical presentations different from those typically associated with this autoimmunity or develop classic PNS. The risk for cancer increases with age, male sex, and the presence of coexisting neuronal cell-surface antibodies.
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Affiliation(s)
- Helena Ariño
- Service of Neurology, Hospital Clinic, University of Barcelona, Barcelona, Spain2Neuroimmunology Program, Institut d'Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Romana Höftberger
- Neuroimmunology Program, Institut d'Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain3Institute of Neurology, Medical University of Vienna, Vienna, Austria
| | - Nuria Gresa-Arribas
- Neuroimmunology Program, Institut d'Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain4Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - Eugenia Martínez-Hernández
- Service of Neurology, Hospital Clinic, University of Barcelona, Barcelona, Spain2Neuroimmunology Program, Institut d'Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Thaís Armangue
- Neuroimmunology Program, Institut d'Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Michael C Kruer
- Sanford Children's Health Research Center, Sioux Falls, South Dakota
| | - Javier Arpa
- Service of Neurology, Hospital La Paz, Madrid, Spain
| | - Julio Domingo
- Service of Neurology, Hospital Severo Ochoa, Leganés, Spain
| | - Bojan Rojc
- Service of Neurology, General Hospital Izola, Izola, Slovenia
| | - Luis Bataller
- Service of Neurology, University Hospital Politècnic La Fe, Valencia, Spain
| | - Albert Saiz
- Service of Neurology, Hospital Clinic, University of Barcelona, Barcelona, Spain2Neuroimmunology Program, Institut d'Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Josep Dalmau
- Neuroimmunology Program, Institut d'Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain10Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain11Department of Neurology, University of Pennsylvania, Philadelphia
| | - Francesc Graus
- Service of Neurology, Hospital Clinic, University of Barcelona, Barcelona, Spain2Neuroimmunology Program, Institut d'Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain
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McHugh JC, Murray B, Renganathan R, Connolly S, Lynch T. GAD antibody positive paraneoplastic stiff person syndrome in a patient with renal cell carcinoma. Mov Disord 2008; 22:1343-6. [PMID: 17486640 DOI: 10.1002/mds.21374] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Stiff person syndrome (SPS) is an unusual cause of muscle rigidity and spasms. It is believed to have an autoimmune pathogenesis and is associated with autoantibodies to glutamic acid decarboxylase (GAD). Paraneoplastic SPS (PSPS) has been described mainly in relation to breast cancer and is associated with antibodies to amphiphysin. Few reports of PSPS document the finding of GAD autoantibodies. We present the first reported case of anti-GAD positive PSPS in a 53-year-old male with occult renal carcinoma. Clinical benefit was marked following nephrectomy and intravenous immunoglobulin treatment. Renal carcinoma should be considered in patients with SPS.
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Affiliation(s)
- John C McHugh
- Department of Neurology, Mater Misericordiae University Hospital, Dublin, Ireland.
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