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2 results on '"Department of Neurology [Ulm, Allemagne]"'

1. Association of Insulin-like Growth Factor 1 Concentrations with Risk for and Prognosis of Amyotrophic Lateral Sclerosis - Results from the ALS Registry Swabia

Author

Dietrich Rothenbacher, Angela Rosenbohm, Wolfgang Koenig, Albert C. Ludolph, Gabriele Nagel, Raphael Simon Peter, Luc Dupuis, Institute of Epidemiology and Medical Biometry [Ulm, Allemagne], Universität Ulm - Ulm University [Ulm, Allemagne], Department of Neurology [Ulm, Allemagne], Deutsches Herzzentrum München [Munich, Allemagne] (DHM), Technische Universität Munchen - Université Technique de Munich [Munich, Allemagne] (TUM), German Center for Cardiovascular Research (DZHK), Berlin Institute of Health (BIH), Munich Heart Alliance [Munich, Allemagne] (MHA), Mécanismes Centraux et Périphériques de la Neurodégénérescence, Université de Strasbourg (UNISTRA)-Institut National de la Santé et de la Recherche Médicale (INSERM), The ALS registry Swabia and this study have been supported by the German Research Council (DFG)., and Bodescot, Myriam

Subjects
Male, medicine.medical_treatment, [SDV.NEU.NB]Life Sciences [q-bio]/Neurons and Cognition [q-bio.NC]/Neurobiology, lcsh:Medicine, Cohort Studies, Prognostic markers, Insulin-like growth factor, 0302 clinical medicine, Germany, Registries, Insulin-Like Growth Factor I, Amyotrophic lateral sclerosis, lcsh:Science, 0303 health sciences, Multidisciplinary, Middle Aged, Prognosis, Survival Rate, Quartile, Female, Cohort study, Risk, medicine.medical_specialty, Article, 03 medical and health sciences, Internal medicine, medicine, Humans, Survival rate, Aged, Proportional Hazards Models, 030304 developmental biology, business.industry, Proportional hazards model, Amyotrophic Lateral Sclerosis, lcsh:R, Case-control study, [SDV.NEU.NB] Life Sciences [q-bio]/Neurons and Cognition [q-bio.NC]/Neurobiology, medicine.disease, Serum samples, Logistic Models, Risk factors, [SDV.SPEE] Life Sciences [q-bio]/Santé publique et épidémiologie, Case-Control Studies, lcsh:Q, [SDV.SPEE]Life Sciences [q-bio]/Santé publique et épidémiologie, business, Biomarkers, 030217 neurology & neurosurgery, Follow-Up Studies
Abstract

We investigated the associations of serum concentration of insulin-like growth factor 1 (IGF1) with risk and prognosis of ALS in the ALS registry (October 2010–June 2014, median follow-up 67.6 months) in a case-control and cohort study, respectively. Serum samples were measured for IGF-1. Information on covariates was collected by standardized questionnaire. We applied conditional logistic regression to appraise the risk and Cox proportional hazards models to appraise the prognostic value of IGF-1. Data of 294 ALS patients (mean age 65.4 (SD 11.0) years, 60.2% men) and 504 controls were included in the case-control study. Median serum IGF-1 concentrations were slightly higher in ALS cases than in controls (101 vs. 99.5 ng/ml). IGF-1 concentrations were not associated with ALS risk in the fully adjusted model (top vs. bottom quartile: OR 1.16; 95%-CI 0.73–1.84, p for trend = 0.44). Among 293 ALS cases (mean age 65.5 (SD 10.5) years, 56.8% men) 243 died during follow-up. We found a statistically significant inverse association between continuous IGF-1 concentrations and survival (p = 0.01). Very high values IGF-1 were associated with a better prognosis of ALS suggesting that functions related to IGF-1 could be involved in survival.

Published
2020

2. Advantages and disadvantages of the use of the CSF Amyloid β (Aβ) 42/40 ratio in the diagnosis of Alzheimer’s Disease

Author

Markus Otto, Henrik Zetterberg, Piotr Lewczuk, Oskar Hansson, Sylvain Lehmann, Clinical Memory Research Unit [Malmö, Suède], Department of Clinical Sciences [Malmö, Suède], Lund University [Malmö, Suède]-Lund University [Malmö, Suède], Memory Clinic [Malmö, Suède], Skåne University Hospital [Malmö, Suède], Cellules Souches, Plasticité Cellulaire, Médecine Régénératrice et Immunothérapies (IRMB), Université de Montpellier (UM)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre Hospitalier Régional Universitaire [Montpellier] (CHRU Montpellier), Department of Neurology [Ulm, Allemagne], Universität Ulm - Ulm University [Ulm, Allemagne], Clinical Neurochemistry Laboratory [Göteborg, Suède], Department of Psychiatry and Neurochemistry [Goteborg], Institute of Neuroscience and Physiology [Göteborg]-Sahlgrenska Academy at University of Gothenburg [Göteborg]-Institute of Neuroscience and Physiology [Göteborg]-Sahlgrenska Academy at University of Gothenburg [Göteborg], Department of Neurodegenerative Disease [Londres, Royaume-Uni], Institute of Neurology [London], University College of London [London] (UCL)-University College of London [London] (UCL), UK Dementia Research Institute (UK DRI), University College of London [London] (UCL), Department of Psychiatry and Psychotherapy [Erlangen, Allemagne], Universitätsklinikum Erlangen [Erlangen, Allemagne], Friedrich-Alexander Universität Erlangen-Nürnberg (FAU)-Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Department of Neurodegeneration Diagnostics [Bialystok, Pologne], Medical University of Bialystok [Bialystok, Pologne], Lab for Clinical Neurochemistry and Neurochemical Dementia Diagnostics [Erlangen, Allemagne], Friedrich-Alexander Universität Erlangen-Nürnberg (FAU)-Friedrich-Alexander Universität Erlangen-Nürnberg (FAU)-Universitätsklinikum Erlangen [Erlangen, Allemagne], Fujirebio Europe sponsored this paper, however, it had no influence on its factual content. PL was supported by the Innovative Medicines Initiative Joint Undertaking under EMIF grant agreement n° 115372, resources of which are composed of financial contribution from the European Union’s Seventh Framework Programme (FP7/2007-2013) and EFPIA companies’ in kind contribution. OH has acquired research support (for the institution) from Roche, GE Healthcare, Biogen, AVID Radiopharmaceuticals, Fujirebio and Euroimmun. HZ’s research is supported by the Swedish Research Council, the European Research Council, the Knut and Alice Wallenberg Foundation, the Olav Thon Foundation, the UK Dementia Research Institute at UCL and Swedish State Support for Clinical Research (ALFGBG)., Lund University [Lund]-Lund University [Lund], Centre Hospitalier Régional Universitaire [Montpellier] (CHRU Montpellier)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Montpellier (UM), Medical University of Białystok (MUB), and Bodescot, Myriam

Subjects
0301 basic medicine, Oncology, medicine.medical_specialty, Neurology, Amyloid β, Cognitive Neuroscience, [SDV.NEU.NB]Life Sciences [q-bio]/Neurons and Cognition [q-bio.NC]/Neurobiology, Diagnostic accuracy, Disease, Review, Aβ 42/40 ratio, Alzheimer's Disease, lcsh:RC346-429, lcsh:RC321-571, 03 medical and health sciences, 0302 clinical medicine, Cerebrospinal fluid, Medizinische Fakultät, Alzheimer Disease, Internal medicine, medicine, Dementia, Humans, ddc:610, Alzheimer’s Disease, Cognitive impairment, lcsh:Neurosciences. Biological psychiatry. Neuropsychiatry, Biochemical markers, lcsh:Neurology. Diseases of the nervous system, Cerebrospinal Fluid, Amyloid beta-Peptides, [SDV.MHEP.GEG] Life Sciences [q-bio]/Human health and pathology/Geriatry and gerontology, business.industry, [SDV.MHEP.GEG]Life Sciences [q-bio]/Human health and pathology/Geriatry and gerontology, [SDV.NEU.NB] Life Sciences [q-bio]/Neurons and Cognition [q-bio.NC]/Neurobiology, medicine.disease, Peptide Fragments, 030104 developmental biology, Aβ42/40 ratio, Neurology (clinical), business, 030217 neurology & neurosurgery, Amyloidβ Peptides, Biomarkers
Abstract

International audience; The cerebrospinal fluid (CSF) biochemical markers (biomarkers) Amyloidβ 42 (Aβ42), total Tau (T-tau) and Tau phosphorylated at threonine 181 (P-tau181) have proven diagnostic accuracy for mild cognitive impairment and dementia due to Alzheimer's Disease (AD). In an effort to improve the accuracy of an AD diagnosis, it is important to be able to distinguish between AD and other types of dementia (non-AD). The concentration ratio of Aβ42 to Aβ40 (Aβ42/40 Ratio) has been suggested to be superior to the concentration of Aβ42 alone when identifying patients with AD. This article reviews the available evidence on the use of the CSF Aβ42/40 ratio in the diagnosis of AD. Based on the body of evidence presented herein, it is the conclusion of the current working group that the CSF Aβ42/40 ratio, rather than the absolute value of CSF Aβ42, should be used when analysing CSF AD biomarkers to improve the percentage of appropriately diagnosed patients.

Published
2019

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