Mariska M.P. Nagtzaam

ORCID: 0009-0007-9427-0835
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About
Contact & Profiles
Research Areas
  • Autoimmune Neurological Disorders and Treatments
  • Peripheral Neuropathies and Disorders
  • Genetics and Neurodevelopmental Disorders
  • Herpesvirus Infections and Treatments
  • Neuroendocrine Tumor Research Advances
  • Chemokine receptors and signaling
  • Myasthenia Gravis and Thymoma
  • Chronic Lymphocytic Leukemia Research
  • RNA regulation and disease
  • Genetic Neurodegenerative Diseases
  • Glycosylation and Glycoproteins Research

Erasmus MC
2016-2023

Amsterdam Neuroscience
2023

Amsterdam UMC Location Vrije Universiteit Amsterdam
2023

Vrije Universiteit Amsterdam
2023

Leiden University
2023

Medisch Centrum Haaglanden
2023

ERN RITA
2020

ERN GUARD-Heart
2020

Consorci Institut D'Investigacions Biomediques August Pi I Sunyer
2020

Stichting Epilepsie Instellingen Nederland
2016

<h3>Objective</h3> Antibodies against glutamic acid decarboxylase 65 (anti-GAD65) are associated with a number of neurologic syndromes. However, their pathogenic role is controversial. Our objective was to describe clinical and paraclinical characteristics anti-GAD65 patients analyze response immunotherapy. <h3>Methods</h3> Retrospectively, we studied (n = 56) positive any symptom. We tested serum CSF ELISA, immunohistochemistry, cell-based assay. Accordingly, set cutoff value 10,000 IU/mL...

10.1212/nxi.0000000000000696 article EN cc-by-nc-nd Neurology Neuroimmunology & Neuroinflammation 2020-03-03

To assess the clinical relevance of a positive voltage-gated potassium channel (VGKC) test in patients lacking antibodies to LGI1 and Caspr2.VGKC-positive were tested for Caspr2 antibodies. Patients both matched (1:2) VGKC-negative patients. Clinical paraclinical criteria used blindly determine evidence autoimmune inflammation groups. with an inconclusive VGKC titer analyzed same way.A total 1,455 by radioimmunoassay. Fifty-six positive, 50 whom available be included. Twenty-five had (n =...

10.1212/wnl.0000000000002637 article EN Neurology 2016-04-02

In this study we report the clinical features of 32 patients with gamma aminobutyric acid B receptor (GABABR) antibodies, identify additional autoantibodies in anti-GABABR encephalitis that mark presence an underlying small cell lung carcinoma and optimize laboratory methods for detection GABABR antibodies. Patients (n = 3225) were tested antibodies using cell-based assay, immunohistochemistry live hippocampal neurons. Clinical data obtained retrospectively. Potassium channel tetramerization...

10.1093/brain/awz094 article EN cc-by-nc Brain 2019-03-20

The clinical criteria for autoimmune encephalitis (AE) were proposed by Graus et al. in 2016. In this study, the AE validated real world, and common mimics described. addition, probable anti-LGI1 validated.

10.1212/nxi.0000000000200148 article EN cc-by-nc-nd Neurology Neuroimmunology & Neuroinflammation 2023-08-15

Abstract Anti-Leucine-rich glioma inactivated-1 (LGI1) and anti-contactin-associated-protein-2 (CASPR2) autoimmune encephalitis (AIE) are common characterized by pathogenic antibodies targeting neuronal autoantigens. However, the drivers of antibody-secreting cells (ASC) involvement T remain unresolved. We performed single cell RNA-sequencing fresh cerebrospinal fluid (CSF) parallel blood samples 15 patients with LGI1- (n=9) CASPR2-AIE (n=6) compared to control (multiple sclerosis (MS) n=15,...

10.1093/brain/awaf096 article EN cc-by Brain 2025-03-17

Autoimmune encephalitis (AIE) may present with prominent cognitive disturbances without overt inflammatory changes in MRI and CSF. Identification of these neurodegenerative dementia diagnosis mimics is important because patients generally respond to immunotherapy. The objective this study was determine the frequency neuronal antibodies presumed describe clinical characteristics antibodies.In retrospective cohort study, 920 were included from established cohorts at 2 large Dutch academic...

10.1212/nxi.0000000000200137 article EN cc-by-nc-nd Neurology Neuroimmunology & Neuroinflammation 2023-06-13

Autoimmune encephalitis (AIE) and paraneoplastic neurologic syndromes (PNSs) encompass a heterogeneous group of antibody-associated disorders. Both the number commercially available antibody tests have increased considerably over past decade. High-quality population-based data on epidemiology these disorders real-world performance are needed.

10.1212/nxi.0000000000200318 article EN cc-by-nc-nd Neurology Neuroimmunology & Neuroinflammation 2024-10-28

Background The aim of this study was to determine treatment response and whether it is associated with antibody titre change in patients autoimmune nodopathy (AN) previously diagnosed as chronic inflammatory demyelinating polyradiculoneuropathy (CIDP), compare clinical features between AN CIDP. Methods Serum IgG antibodies neurofascin-155 (NF155), contactin-1 (CNTN1) contactin-associated protein 1 (CASPR1) were detected cell-based assays Clinical improvement determined using the modified...

10.1136/jnnp-2023-331378 article EN Journal of Neurology Neurosurgery & Psychiatry 2023-10-25
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