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Steinacker P, Weidehaas K, Cepek L, Feneberg E, Kretzschmar HA, Otto M. Influence of the blood-CSF-barrier function on S100B in neurodegenerative diseases. Acta Neurol Scand 2013; 128:249-56. [PMID: 23510454 DOI: 10.1111/ane.12113] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/22/2013] [Indexed: 11/29/2022]
Abstract
OBJECTIVES S100B was proposed to be a CSF and blood biomarker in a number of neurological diseases. The route of S100B to the CSF and the blood in neurodegenerative diseases is unclear. To assess the impact of the physiological or impaired blood-CSF-barrier (BCSFB) function on S100B concentrations in CSF and serum, we analysed S100B in correlation of the albumin quotient. MATERIALS AND METHODS S100Bserum and S100BCSF were quantified in samples from patients with a variety of neurological diseases using an immunoluminometric assay (Sangtec LIA-mat). Measures were analysed for a potential relation to the CSF/serum-albumin quotient (Qalb ), which indicates the BCSFB functionality. RESULTS We reasserted increased S100B concentrations in CSF and serum of CJD patients. Elevated S100Bserum correlated with elevated S100BCSF in all diagnoses but with exceptions. Neither S100BCSF nor S100Bserum did correlate with Qalb , even when the BCSFB function was progressively impaired as demonstrated by increased Qalb . CONCLUSIONS The lack of correlation between Qalb and S100BCSF is typically seen for proteins which are brain derived. Therefore, we propose that S100B enters the blood with the bulk flow via Pacchioni's granules and along the spinal nerve sheaths.
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Fedders M, Grünewald G, Burkhardt J, Otto M, Wirth D, Schlachter F, Weimann A. PP138-SUN NUTRITIONAL RISK SCREENING FROM A HOSPITAL ECONOMY POINT OF VIEW. Clin Nutr 2013. [DOI: 10.1016/s0261-5614(13)60183-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Surewaard BGJ, de Haas CJC, Vervoort F, Rigby KM, DeLeo FR, Otto M, van Strijp JAG, Nijland R. Staphylococcal alpha-phenol soluble modulins contribute to neutrophil lysis after phagocytosis. Cell Microbiol 2013; 15:1427-37. [PMID: 23470014 PMCID: PMC4784422 DOI: 10.1111/cmi.12130] [Citation(s) in RCA: 131] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2013] [Revised: 02/07/2013] [Accepted: 02/20/2013] [Indexed: 01/01/2023]
Abstract
Staphylococcus aureus community-acquired (CA) MRSA strains are highly virulent and can cause infections in otherwise healthy individuals. The most important mechanism of the host for clearing S. aureus is phagocytosis by neutrophils and subsequent killing of the pathogen. Especially CA-MRSA strains are very efficient in circumventing this neutrophil killing. Interestingly, only a relative small number of virulence factors have been associated with CA-MRSA, one of which are the phenol soluble modulins (PSMs). We have recently shown that the PSMs are functionally inhibited by serum lipoproteins, indicating that PSMs may exert their cytolytic function primarily in the intracellular environment. To further investigate the intracellular role of the PSMs we measured the effect of the α-type and β-type PSMs on neutrophil killing after phagocytosis. Using fluorescently labelled S. aureus, we measured bacterial survival after phagocytosis in a plate reader, which was employed next to flow cytometry and time-lapse microscopy. Phagocytosis of the CA-MRSA strain MW2 by human neutrophils resulted in rapid host cell death. Using mutant strains of MW2, we demonstrated that in the presence of serum, the intracellular expression of only the psmα operon is both necessary and sufficient for both increased neutrophil cell death and increased survival of S. aureus. Our results identify PSMα peptides as prominent contributors to killing of neutrophils after phagocytosis, a finding with major implications for our understanding of S. aureus pathogenesis and strategies for S. aureus vaccine development.
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Süssmuth S, Brettschneider J, Spreer A, Wick M, Jesse S, Lewerenz J, Otto M, Tumani H. [Current cerebrospinal fluid diagnostics for pathogen-related diseases]. DER NERVENARZT 2013; 84:229-44. [PMID: 23371378 PMCID: PMC7095826 DOI: 10.1007/s00115-012-3701-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Abstract
Cerebrospinal fluid (CSF) analysis is of utmost importance to establish an early diagnosis of central nervous system (CNS) infections and to start appropriate therapy. The CSF white cell count, lactate concentration and total protein levels are usually available very quickly even from non-specialized laboratories and the combination of these parameters often provides sufficient information for decision-making in emergency cases. It is, however, not always possible to identify the underlying infective agent despite further CSF analyses, such as bacterial and fungal staining, evaluation of the blood-CSF barrier function, intrathecal immunoglobulin synthesis and oligoclonal IgG bands. Therefore, close communication between the laboratory and the clinician is an important prerequisite to specify additional pathogen-related diagnostic measures for successful confirmation of the diagnosis.
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Markvardsen LH, Debost JC, Harbo T, Sindrup SH, Andersen H, Christiansen I, Otto M, Olsen NK, Lassen LL, Jakobsen J. Subcutaneous immunoglobulin in responders to intravenous therapy with chronic inflammatory demyelinating polyradiculoneuropathy. Eur J Neurol 2013; 20:836-42. [DOI: 10.1111/ene.12080] [Citation(s) in RCA: 104] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2012] [Accepted: 11/16/2012] [Indexed: 01/15/2023]
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Lukas A, Kilian R, Hay B, Muche R, von Arnim CAF, Otto M, Riepe M, Jamour M, Denkinger MD, Nikolaus T. [Maintenance of health and relief for caregivers of elderly with dementia by using "initial case management": experiences from the Lighthouse Project on Dementia, Ulm, ULTDEM-study]. Z Gerontol Geriatr 2012; 45:298-309. [PMID: 22538793 DOI: 10.1007/s00391-012-0337-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
BACKGROUND When facing the well-known demographic development with an increasing number of people suffering from dementia, there is a need of programmes to support nursing relatives and care at home. Many support services have been established in the past few years but they are rarely used by the relatives and the patients. The purpose of the Lighthouse Project Ulm (ULTDEM Study) was to prove the effectiveness of a single advisory approach in order to provide support services after care level classification and to relieve the burden placed on relatives caring for family members suffering from dementia ("initial case management"). METHODS The ULTDEM Study is a prospective, open, randomized, controlled, interventional study with different parallel outcome measures (burden of caring, quality of life and mood). After the randomization, the interventional group was given comprehensive, individual advice about available treatment possibilities for dementia patients. Control group participants received standard treatment. Inclusion criteria were application of a care level (0 or 1) as well as dementia diagnosis. All participants (patients/relatives) underwent an initial and a 6 month comprehensive assessment. RESULTS Our results show that a single advisory approach does not lead to a significant difference in outcome measures in interventional and control groups. Those tendencies described have to be interpreted as clinically not relevant. Although utilization of support services increases, it remains similar in both study groups. A confirmatory interpretation has not been possible due to a lack of adjustment to the findings regarding multiple testing and an insufficient degree of recruitment. Possible causes will be discussed such as premature intervention during the course of the disease, a lack of intervention blinding, recruitment bias and lack of an influence on adherence with regard to the use of support services. IMPLICATIONS The study demonstrates that there is a substantial information deficit for persons affected by dementia and their relatives. Innovative ways still have to be developed to ensure that this information actually reaches the target audience.
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Kriegsmann M, Seeley EH, Schwarting A, Kriegsmann J, Otto M, Thabe H, Dierkes B, Biehl C, Sack U, Wellmann A, Kahaly GJ, Schwamborn K, Caprioli RM. MALDI MS imaging as a powerful tool for investigating synovial tissue. Scand J Rheumatol 2012; 41:305-9. [PMID: 22639849 DOI: 10.3109/03009742.2011.647925] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVE To identify and image protein biomarker candidates in the synovial tissue of patients with rheumatoid arthritis (RA) and patients with osteoarthritis (OA). METHODS A novel matrix-assisted laser desorption/ionization (MALDI) imaging mass spectrometry (IMS) technique was applied to the analysis of synovial tissue. Patients were classified according to the American College of Rheumatology (ACR) criteria for RA. Frozen sections were stained to obtain morphological data. Serial sections were desiccated, and spotted with matrix for MALDI analysis. Ions generated by laser irradiation of the tissue were separated in time, based on their m/z ratio, and were subsequently detected. IMS was used in a 'profiling' mode to detect discrete spots for rapid evaluation of proteomic patterns in various tissue compartments. Photomicrographs of the stained tissue images were reviewed by a pathologist. Areas of interest (10 discrete areas/compartment) were marked digitally and the histology-annotated images were merged to form a photomicrograph of the section taken before the MALDI measurement. Pixel coordinates of these areas were transferred to a robotic spotter, the matrix was spotted, and the coordinates of the spots were transferred to a mass spectrometer for spectral acquisition. The data generated were then subjected to biocomputation analysis to reveal the biomarker candidates. RESULTS Several peaks (m/z) consistent in mass with calgranulins, defensins, and thymosins were detected and their distribution in various synovial compartments (synovial lining and sublining layer) was demonstrated. CONCLUSION MALDI IMS is a powerful tool for the rapid detection of numerous proteins (in situ proteomics) and was applied here for the analysis of the distribution of proteins in synovial tissue sections.
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von Mühlendahl KE, Otto M. Risikokommunikation in der Umweltmedizin. Monatsschr Kinderheilkd 2012. [DOI: 10.1007/s00112-011-2575-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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von Mühlendahl K, Otto M, Kerbl R. Kinderumwelt. Monatsschr Kinderheilkd 2012. [DOI: 10.1007/s00112-011-2571-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Puls R, Hegenscheid K, Bülow R, Laquar R, Otto M, Langner S, Kirsch M, Seipel R, Kühn JP, Mensel B, Hosten N. Populationsbasierte Ganzkörper-Magnetresonanztomographie. Fortlaufende prospektive, epidemiologische Bevölkerungsstudie - „Study of Health in Pomerania” (SHIP). ROFO-FORTSCHR RONTG 2012. [DOI: 10.1055/s-0032-1311308] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Schiessl C, Gärtner J, Wildfeuer S, Voltz R, Breuer G, Otto M. Schmerztherapeutische Inhalte internationaler Curricula für die studentische Lehre in der Palliativmedizin. Schmerz 2012; 26:200-5. [DOI: 10.1007/s00482-012-1155-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Hidestrand M, Zangwill S, Tomita-Mitchell A, Oliphant A, Hidestrand P, Castleberry C, Stendahl G, Otto M, Liang H, Goetsch M, Ellis T, Shames B, Simpson P, Berger S, Tweddell J, Mitchell M. 254 Highly Sensitive Transplant Rejection Surveillance Using Targeted Detection of Donor Specific Cell Free DNA. J Heart Lung Transplant 2012. [DOI: 10.1016/j.healun.2012.01.261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
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Tumani H, Otto M. Kritische Auseinandersetzung mit den neuen diagnostischen Kriterien zur Multiplen Sklerose: Liquorchemischer Grundbefund-MS. KLIN NEUROPHYSIOL 2012. [DOI: 10.1055/s-0032-1301549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Watabe-Rudolph M, Song Z, Lausser L, Schnack C, Begus-Nahrmann Y, Scheithauer MO, Rettinger G, Otto M, Tumani H, Thal DR, Attems J, Jellinger KA, Kestler HA, von Arnim CAF, Rudolph KL. Chitinase enzyme activity in CSF is a powerful biomarker of Alzheimer disease. Neurology 2012; 78:569-77. [DOI: 10.1212/wnl.0b013e318247caa1] [Citation(s) in RCA: 80] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Naumann V, Otto M, Wehrspohn R, Werner M, Hagendorf C. Interface and Material Characterization of Thin ALD-Al2O3 Layers on Crystalline Silicon. ACTA ACUST UNITED AC 2012. [DOI: 10.1016/j.egypro.2012.07.069] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Price CE, Coetzee E, Panieri E, Otto M. Bilharzia of the breast masquerading as a breast skin papilloma in a pregnant woman. S AFR J SURG 2011; 49:207. [PMID: 22353277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2010] [Accepted: 09/13/2010] [Indexed: 05/31/2023]
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Kenyon C, Otto M. Bowel "Infarction" in a Postpartum Patient. Clin Infect Dis 2011. [DOI: 10.1093/cid/cir617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Abou El-Reash Y, Otto M, Kenawy I, Ouf A. Adsorption of Cr(VI) and As(V) ions by modified magnetic chitosan chelating resin. Int J Biol Macromol 2011; 49:513-22. [DOI: 10.1016/j.ijbiomac.2011.06.001] [Citation(s) in RCA: 130] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2011] [Revised: 05/28/2011] [Accepted: 06/05/2011] [Indexed: 10/18/2022]
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Szafranek BN, Schall D, Otto M, Neumaier D, Kurz H. High on/off ratios in bilayer graphene field effect transistors realized by surface dopants. NANO LETTERS 2011; 11:2640-2643. [PMID: 21688768 DOI: 10.1021/nl200631m] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
The unique property of bilayer graphene to show a band gap tunable by external electrical fields enables a variety of different device concepts with novel functionalities for electronic, optoelectronic, and sensor applications. So far the operation of bilayer graphene-based field effect transistors requires two individual gates to vary the channel's conductance and to create a band gap. In this paper, we report on a method to increase the on/off ratio in single gated bilayer graphene field effect transistors by adsorbate doping. The adsorbate dopants on the upper side of the graphene establish a displacement field perpendicular to the graphene surface breaking the inversion symmetry of the two graphene layers. Low-temperature measurements indicate that the increased on/off ratio is caused by the opening of a mobility gap.
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Navid F, Barfield RC, Handgretinger R, Sondel PM, Shulkin BL, Kaufman R, Billups C, Wu J, Furman WL, McGregor LM, Otto M, Gillies S, Santana VM. A novel anti-GD2 monoclonal antibody (mAb), hu14.18K322A, in children with refractory or recurrent neuroblastoma: Early-phase evaluation. J Clin Oncol 2011. [DOI: 10.1200/jco.2011.29.15_suppl.9523] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Puls R, Hegenscheid K, Kühn JP, Bülow R, Otto M, Hosten N. Klinisch relevante Zufallsbefunde in der Ganzkörper-MRT. ROFO-FORTSCHR RONTG 2011. [DOI: 10.1055/s-0031-1279253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Smesny S, Milleit B, Schäfer M, Milleit C, Otto M, Hipler UC, Berger G, Sauer H, Amminger P. N-3 Fatty Acid Supplementation Influences Membrane Fatty Acids and Phospholipase A 2 Activity in Patients at Risk to Develop Psychosis. Eur Psychiatry 2011. [DOI: 10.1016/s0924-9338(11)72834-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
Abstract
IntroductionDecreased levels of polyunsaturated membrane fatty acids (PUFA) and increased activity of cytosolic phospholipase A2 (PLA2) enzymes (key regulating enzymes of membrane remodelling and PUFA availability) are supporting pillars of the “membrane phospholipids concept of schizophrenia”. Assuming that membrane PUFA profile and PLA2 activity are altered during the at risk phase of disorder and influenced by fatty acid supplementation, we investigated PUFA profiles and PLA2 activity simultaneously in ultra high-risk (UHR) subjects before and after (n-3) fatty acids supplementation.MethodIn 81 UHR patients (aged between 13 and 25 years) PUFA levels were assessed in erythrocyte membranes using gas chromatography, and cytosolic PLA2 activity was measured in blood serum using a fluorometric HPTLC-based assay. Measurements were performed before and after a 6 month interval of placebo-controlled supplementation with n-3 fatty acids.ResultsAt baseline significant associations were found between (n-9) and (n-6)-PUFA levels and psychopathology (especially in negative symptoms) assessed by the PANSS according to PACE criteria. (n-3)-PUFA supplementation caused significant changes in (n-3)- and (n-6)-PUFA levels and a significant decrease of PLA2 activity.ConclusionOur results support associations between membrane biochemistry and psychopathology (especially negative symptoms) in people at risk to develop psychosis. Supplementation of n-3 PUFA increases PUFA availability at membrane level and modulates membrane repair and remodelling processes. Assuming that PLA2 activity reflects neuronal damage, PUFA supplementation might unfold neuroprotective effects.
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Lang A, Brunzel S, Dolek M, Otto M, Theissen B. Modelling in the light of uncertainty of key parameters: a call to exercise caution in field predictions of Bt-maize effects. Proc Biol Sci 2011; 278:980-1. [PMID: 21208960 PMCID: PMC3049037 DOI: 10.1098/rspb.2010.2085] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022] Open
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Tankisi H, Otto M, Pugdahl K, Johnsen B, Fuglsang-Frederiksen A. P12-13 Is there a reverse correlation between distal CMAP amplitude and duration in axonal and demyelinating polyneuropathies? Clin Neurophysiol 2010. [DOI: 10.1016/s1388-2457(10)60717-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Fleischer C, Lehnert S, Jahn O, Otto M, Landwehrmeyer GB, Lindenberg KS. A12 Mitochondrial proteome analysis of R6/2 mouse brains. Journal of Neurology, Neurosurgery and Psychiatry 2010. [DOI: 10.1136/jnnp.2010.222570.12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Krenn V, Knöss P, Rüther W, Jakobs M, Otto M, Krukemeyer MG, Heine A, Möllenhoff G, Kurz B. [Meniscal degeneration score and NITEGE expression : immunohistochemical detection of NITEGE in advanced meniscal degeneration]. DER ORTHOPADE 2010; 39:475-85. [PMID: 20221825 DOI: 10.1007/s00132-010-1606-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
BACKGROUND Meniscal degeneration (MD) is a structural change of fibrous cartilage that is common in orthopaedic diagnostics and relevant for health insurance matters. So far, there has been neither a standardised scoring system nor an immunohistochemical marker for MD. MATERIAL AND METHOD In this retrospective trial, the meniscal tissue of 60 patients was assessed immunohistochemically for NITEGE (G1 fragment of the proteoglycan aggrecan) expression. NITEGE expression was correlated with defined grades of MD: little (grade 0/1), medium (grade 2), or severe (grade 3). RESULTS Detection of extracellular NITEGE deposits in grade 2 or 3 MD had a positive predictive value and specificity of 100%, whereas no deposits were found in grade 0/1 MD. Sensitivity in advanced MD was 55%. Detection of extracellular NITEGE correlated positively with the grade of degeneration, as did patient age and the grade of degeneration. The patient age of those with grade 0/1 MD was significantly lower than for grade 3 (p<0.0001). CONCLUSION The thoroughly defined degeneration score (grade 1 - grade 3 MD) is suitable to assess the severity of degeneration. Extracellular NITEGE deposits can be regarded as an immunohistochemical marker for advanced (grades 2 and 3) MD.
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De Groot D, Swierstra J, Blauw L, Damsteegt L, Van Der Horst L, Otto M, Bulthuis R, Van Der Wiel H, Rubingh C. Ultrasonic Vocalizations (USVs) in rat pups, an animal friendly marker to test developmental neurotoxicity. Toxicol Lett 2010. [DOI: 10.1016/j.toxlet.2010.03.640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Schmidt H, Gerber J, Stuertz K, Djukic M, Bunkowski S, Fischer FR, Otto M, Nau R. S100B in the cerebrospinal fluid--a marker for glial damage in the rabbit model of pneumococcal meningitis. Neurosci Lett 2010; 475:104-7. [PMID: 20347934 DOI: 10.1016/j.neulet.2010.03.059] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2009] [Revised: 03/08/2010] [Accepted: 03/21/2010] [Indexed: 01/13/2023]
Abstract
The rabbit model provides an important experimental setting for the evaluation of antibiotic agents against pneumococcal meningitis. One of the primary targets of this model is the study of neuronal and glial cell damage in bacterial meningitis. The aim of this investigation was to evaluate whether a significant increase of S100B in the cerebrospinal fluid (CSF) as an indicator of white matter damage could be observed in this meningitis model. Seven rabbits were infected intracisternally with S. pneumoniae, and CSF S100B concentrations were examined serially before infection, at 12h, 14h, 17h, 20h, and at 24h after infection. The course of CSF S100B increase and its relation to other parameters of brain tissue destruction and CSF inflammation were measured. Axonal damage was visualized by amyloid precursor protein (APP) immunostaining and demyelination by Luxol Fast Blue/Periodic Acid Schiff (LFB-PAS) stain. In each animal, we observed a distinct rise in S100B concentration in the CSF due to pneumococcal meningitis. We conclude that the CSF concentration of the glial S100B protein can be used as an additional parameter for future interventional studies focusing on glial cell damage in the rabbit model of bacterial meningitis.
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Bathen-Nöthen A, Heider C, Fernandez A, Beineke A, Sewell A, Otto M, Tipold A. Hypocretin Measurement in an Icelandic Foal with Narcolepsy. J Vet Intern Med 2009; 23:1299-302. [DOI: 10.1111/j.1939-1676.2009.0400.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Schmeisser MJ, Unrath A, Otto M, Tumani H, Abler B. Moyamoya disease precipitating Sydenham's chorea. AKTUELLE NEUROLOGIE 2009. [DOI: 10.1055/s-0029-1238680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Kiechle U, Lehmensiek V, Rau D, Otto M, Tumani H, Brettschneider J. Prognostische Aussagekraft der Masern-Röteln-Zoster-Antikörper bei klinisch isoliertem Syndrom. AKTUELLE NEUROLOGIE 2009. [DOI: 10.1055/s-0029-1238395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Otto M. Ein in unseren Breiten erworbener Fall von Schwarzwasserfieber bei Quartana. Dtsch Med Wochenschr 2009. [DOI: 10.1055/s-0029-1203378] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Stähr P, Mamtimin H, Voigtländer T, Rupprecht HJ, Aschenbrücker P, Brennecke R, Otto M, Meyer J. VOLUMENBESTIMMUNG MIT 3D-INTRAVASKULÄREM ULTRASCHALLEINFLUSS DER GERÄTEEINSTELLUNG UND GEFÄßKRÜMMUNG. BIOMED ENG-BIOMED TE 2009. [DOI: 10.1515/bmte.2000.45.s1.235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Ludolph AC, Kassubek J, Landwehrmeyer BG, Mandelkow E, Mandelkow EM, Burn DJ, Caparros-Lefebvre D, Frey KA, de Yebenes JG, Gasser T, Heutink P, Höglinger G, Jamrozik Z, Jellinger KA, Kazantsev A, Kretzschmar H, Lang AE, Litvan I, Lucas JJ, McGeer PL, Melquist S, Oertel W, Otto M, Paviour D, Reum T, Saint-Raymond A, Steele JC, Tolnay M, Tumani H, van Swieten JC, Vanier MT, Vonsattel JP, Wagner S, Wszolek ZK. Tauopathies with parkinsonism: clinical spectrum, neuropathologic basis, biological markers, and treatment options. Eur J Neurol 2009; 16:297-309. [PMID: 19364361 DOI: 10.1111/j.1468-1331.2008.02513.x] [Citation(s) in RCA: 140] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Tauopathies with parkinsonism represent a spectrum of disease entities unified by the pathologic accumulation of hyperphosphorylated tau protein fragments within the central nervous system. These pathologic characteristics suggest shared pathogenetic pathways and possible molecular targets for disease-modifying therapeutic interventions. Natural history studies, for instance, in progressive supranuclear palsy, frontotemporal dementia with parkinsonism linked to chromosome 17, corticobasal degeneration, and Niemann-Pick disease type C as well as in amyotrophic lateral sclerosis/Parkinson-dementia complex permit clinical characterization of the disease phenotypes and are crucial to the development and validation of biological markers for differential diagnostics and disease monitoring, for example, by use of neuroimaging or proteomic approaches. The wide pathologic and clinical spectrum of the tauopathies with parkinsonism is reviewed in this article, and perspectives on future advances in the understanding of the pathogenesis are given, together with potential therapeutic strategies.
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86
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Ludolph AC, Kassubek J, Landwehrmeyer BG, Mandelkow E, Mandelkow EM, Burn DJ, Caparros-Lefebvre D, Frey KA, de Yebenes JG, Gasser T, Heutink P, Höglinger G, Jamrozik Z, Jellinger KA, Kazantsev A, Kretzschmar H, Lang AE, Litvan I, Lucas JJ, McGeer PL, Melquist S, Oertel W, Otto M, Paviour D, Reum T, Saint-Raymond A, Steele JC, Tolnay M, Tumani H, van Swieten JC, Vanier MT, Vonsattel JP, Wagner S, Wszolek ZK. Tauopathies with parkinsonism: clinical spectrum, neuropathologic basis, biological markers, and treatment options. Eur J Neurol 2009. [PMID: 19364361 DOI: 10.1111/j.l468-1331.2008.02513.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Tauopathies with parkinsonism represent a spectrum of disease entities unified by the pathologic accumulation of hyperphosphorylated tau protein fragments within the central nervous system. These pathologic characteristics suggest shared pathogenetic pathways and possible molecular targets for disease-modifying therapeutic interventions. Natural history studies, for instance, in progressive supranuclear palsy, frontotemporal dementia with parkinsonism linked to chromosome 17, corticobasal degeneration, and Niemann-Pick disease type C as well as in amyotrophic lateral sclerosis/Parkinson-dementia complex permit clinical characterization of the disease phenotypes and are crucial to the development and validation of biological markers for differential diagnostics and disease monitoring, for example, by use of neuroimaging or proteomic approaches. The wide pathologic and clinical spectrum of the tauopathies with parkinsonism is reviewed in this article, and perspectives on future advances in the understanding of the pathogenesis are given, together with potential therapeutic strategies.
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87
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Wiltfang J, Lewczuk P, Riederer P, Grünblatt E, Hock C, Scheltens P, Hampel H, Vanderstichele H, Iqbal K, Galasko D, Lannfelt L, Otto M, Esselman H, Henkel A, Kornhuber J, Blennow K. Trabalho de consenso de força-tarefa da WFSBP sobre marcadores biológicos das demências: contribuição da análise do LCR e do sangue para o diagnóstico precoce e diferencial das demências. ARCH CLIN PSYCHIAT 2009. [DOI: 10.1590/s0101-60832009000700001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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88
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Lehmann C, Pavlovic D, Wilk S, Thaumüller C, Otto M, Wendt M, Felix S, Landsberger M. Inhibition of the lectin-like oxidized low-density lipoprotein receptor-1 improves intestinal microcirculation in experimental endotoxaemia. Crit Care 2009. [PMCID: PMC4084244 DOI: 10.1186/cc7522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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89
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Gluckman H, Otto M. Success, survival and failure. SADJ : JOURNAL OF THE SOUTH AFRICAN DENTAL ASSOCIATION = TYDSKRIF VAN DIE SUID-AFRIKAANSE TANDHEELKUNDIGE VERENIGING 2008; 63:514-517. [PMID: 19213259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
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90
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Schmidt H, Broessner G, Schmutzhard E, Gerber J, Ferbert A, Walter S, Maschke M, Djukic M, Rostasy K, Otto M, von Ahsen N. Auftreten von Polymorphismen in Genen für Rezeptoren der innaten Immunabwehr und für AQP4 bei Patienten mit bakterieller Meningitis. AKTUELLE NEUROLOGIE 2008. [DOI: 10.1055/s-0028-1086555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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91
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Jesse S, Steinacker P, Lehnert S, Sdzuj M, Cepek L, Papst A, Tumani H, Schmidt H, Otto M. Differentialdiagnose bakterielle versus virale Meningitis – Gibt die Messung von GFAP-Messung eine relevante Zusatzinformation? AKTUELLE NEUROLOGIE 2008. [DOI: 10.1055/s-0028-1086557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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92
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Otto M, Gluckman H. Prosthodontic aspects of peri-implantitis and peri-mucositis. SADJ : JOURNAL OF THE SOUTH AFRICAN DENTAL ASSOCIATION = TYDSKRIF VAN DIE SUID-AFRIKAANSE TANDHEELKUNDIGE VERENIGING 2008; 63:412-414. [PMID: 19054912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
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93
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Otto M, Gluckman H. The treatment of peri-implantitis 3. SADJ : JOURNAL OF THE SOUTH AFRICAN DENTAL ASSOCIATION = TYDSKRIF VAN DIE SUID-AFRIKAANSE TANDHEELKUNDIGE VERENIGING 2008; 63:360-362. [PMID: 18811103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
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94
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Otto M, Gluckman H. The treatment of peri-mucositis and peri-implantitis 2. SADJ : JOURNAL OF THE SOUTH AFRICAN DENTAL ASSOCIATION = TYDSKRIF VAN DIE SUID-AFRIKAANSE TANDHEELKUNDIGE VERENIGING 2008; 63:312-314. [PMID: 18811085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
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95
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Kasperlik-Załuska AA, Otto M, Cichocki A, Rosłonowska E, Słowińska-Srzednicka J, Jeske W, Papierska L, Zgliczyński W. Incidentally discovered adrenal tumors: a lesson from observation of 1,444 patients. Horm Metab Res 2008; 40:338-41. [PMID: 18491253 DOI: 10.1055/s-2008-1073167] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
This study was aimed at summarizing our experience in the management of 1,444 patients with incidentally found adrenal tumors observed at a single endocrinological centre. Hormonal determinations were performed in all patients at the beginning of the observation period to detect subclinical adrenal hyperfunction. The imaging phenotype on CT and MRI was analyzed for defining the malignant potential of the tumors. Based on the results of these examinations we diagnosed among our cohort probably benign masses in 87%, malignant tumors in 10% (adrenal carcinoma - 9%), and metastases in 3%. Subclinical hyperfunction was diagnosed in 8%; the most frequent was the pre-Cushing's syndrome. A subgroup of 480 patients (33%) was submitted to surgery because of oncological or endocrinological indications. The patients not qualified for surgery were carefully controlled by imaging and hormonal examinations. Malignancy is the most serious risk in the group of patients with incidentally discovered adrenal tumors.
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Otto M, Gluckman H. The treatment of peri-mucositis and peri-implantitis 1. SADJ : JOURNAL OF THE SOUTH AFRICAN DENTAL ASSOCIATION = TYDSKRIF VAN DIE SUID-AFRIKAANSE TANDHEELKUNDIGE VERENIGING 2008; 63:250-252. [PMID: 18689342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
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97
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Otto M, Gluckman H. Peri-implant mucositis and peri-implantitis. SADJ : JOURNAL OF THE SOUTH AFRICAN DENTAL ASSOCIATION = TYDSKRIF VAN DIE SUID-AFRIKAANSE TANDHEELKUNDIGE VERENIGING 2008; 63:178-180. [PMID: 18689353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
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98
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Knoess M, Krukemeyer MG, Kriegsmann J, Thabe H, Otto M, Krenn V. Colocalization of C4d deposits/CD68+ macrophages in rheumatoid nodule and granuloma annulare: immunohistochemical evidence of a complement-mediated mechanism in fibrinoid necrosis. Pathol Res Pract 2008; 204:373-8. [PMID: 18339486 DOI: 10.1016/j.prp.2008.01.009] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2007] [Revised: 12/30/2007] [Accepted: 01/11/2008] [Indexed: 10/22/2022]
Abstract
Rheumatoid nodule (RN) represents a palisading granuloma with central fibrinoid necrosis, which is not only a classical manifestation of rheumatoid arthritis (RA) and part of the American College of Rheumatology (ACR)-criteria, but also is its diagnostic hallmark. The pathogenesis of RN is still not fully understood. At present, only data on serum analyses indicating a complement-mediated pathogenesis in the development of RA are available. Equivalent examinations for RN have not yet been performed. Granuloma annulare (GA) represents another type of palisading granuloma. A special subtype of GA, subcutaneous GA (SGA), is an important differential diagnosis to RN. Therefore, our aim was to examine RN and SGA regarding the complement deposition (C4d) by immunohistochemical means. All RN and GA were stained by hematoxylin/eosin and different special stains. In addition, all specimens were stained immunohistochemically with antibodies against CD68. Five GA and five RN were analyzed immunohistochemically with antibodies against C4d and CD68, and evaluated using single- and doublestaining immunohistochemistry. All RN and GA displayed depositions of C4d within their central necroses and between the surrounding palisading macrophages. Most importantly, C4d/CD68 double staining was visible in the palisading macrophages next to the necroses, while macrophages in the periphery were negative for C4d but positive for CD68. The main difference between RN and GA was a quantitative phenomenon with less positively reacting macrophages in a more incomplete palisade in GA. The positive reactions of all central necroses to C4d and colocalization of CD68 and C4d suggest that a complement-mediated mechanism may be operative in the formation of fibrinoid necrosis. This mechanism may be involved in any form of "fibrinoid necrosis", since no different patterns of C4d/CD68 expression could be observed in GA. This may explain why RG/GA are not distinguishable morphologically.
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Petrykowski W, Sauer M, Otto M, Olivier D. Septo-optische Dysplasie mit kongenitalem Hypopituitarismus. KLINISCHE PADIATRIE 2008. [DOI: 10.1055/s-2008-1035604] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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100
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Otto M, Gluckman H. Bone levels using different methods of abutment connection. SADJ : JOURNAL OF THE SOUTH AFRICAN DENTAL ASSOCIATION = TYDSKRIF VAN DIE SUID-AFRIKAANSE TANDHEELKUNDIGE VERENIGING 2008; 63:118-120. [PMID: 18561814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
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