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Tzaridis T, Weller J, Bachurski D, Shakheri F, Schaub C, Hau P, Buness A, Schlegel U, Steinbach J, Seidel C, Goldbrunner R, Schäfer N, Wechsler-Reya R, Scheffler B, Glas M, Haeberle L, Herrlinger U, Coch C, Reiners K, Hartmann G. BIOM-24. PROTEIN SURFACE SIGNATURE ON SERUM EXTRACELLULAR VESICLES FOR NON-INVASIVE DETECTION OF TUMOR PROGRESSION IN GLIOBLASTOMA PATIENTS. Neuro Oncol 2021. [DOI: 10.1093/neuonc/noab196.055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
INTRODUCTION
Detection of tumor progression in glioblastoma patients remains a major challenge for clinicians due to equivocal MRI results. Extracellular vesicles (EVs) are potential biomarkers and can be detected in the blood of tumor patients. In this study, we evaluated the potential of serum-derived EVs from glioblastoma patients to serve as a marker for tumor progression in adjunction with MRI assessment.
METHODS
Glioblastoma patients from two independent cohorts, one from the multicenter Phase III CeTeG/NOA-09 trial (n=36) and the other from patients treated at the University of Bonn (n=31), were included in this study. EVs from serum of glioblastoma patients and healthy volunteers were separated by size exclusion chromatography and ultracentrifugation. EV markers were defined by using a proximity-extension assay and bead-based flow cytometry. Tumor progression was defined according to modified RANO criteria.
RESULTS
EVs from the serum of glioblastoma patients (n=67) showed an upregulation of CD29 (p=0.08), CD44 (p< 0.0001), CD81 (p< 0.0001), CD146 (p< 0.0001), C1QA (p=0.003), and histone H3 (p< 0.0001) as compared to serum EVs from healthy volunteers. For both independent cohorts of glioblastoma patients, we noted upregulation of C1QA, CD44, and histone H3 upon tumor progression, but not in patients with stable disease. Notably, six patients with worse survival compared to the median survival of the cohort did not fulfill RANO criteria at the time of suspected progression, yet showed an elevation of at least one out of these three markers. In a multivariable logistic regression analysis, a combination of CD29, CD44, CD81, C1QA, and histone H3 correlated with RANO-defined tumor progression with an AUC of 0.76.
CONCLUSION
Measurement of CD29, CD44, CD81, C1QA, and histone H3 in serum-derived EVs of glioblastoma patients, along with standard MRI assessment, could improve detection of true tumor progression and thus be a useful tool for clinical decision making.
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Affiliation(s)
- Theophilos Tzaridis
- Tumor Initiation & Maintenance Program, Sanford Burnham Presbys Medical Discovery Institute, La Jolla, CA, USA
| | - Johannes Weller
- Division of Clinical Neurooncology, Department of Neurology, University Hospital Bonn, Bonn, Germany
| | - Daniel Bachurski
- Department of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Partner Site Cologne, Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany
| | - Farhad Shakheri
- Institute for Genomic Statistics and Bioinformatics, University of Bonn, Bonn, Germany
| | - Christina Schaub
- Division of Clinical Neurooncology, Department of Neurology, University Hospital Bonn, Bonn, Germany
| | - Peter Hau
- Department of Neurology and Wilhelm Sander NeuroOncology Unit, University Hospital, Regensburg, Germany
| | - Andreas Buness
- Institute for Genomic Statistics and Bioinformatics, University of Bonn, Bonn, Germany
| | - Uwe Schlegel
- Department of Neurology, University Hospital Knappschaftskrankenhaus, Ruhr–University Bochum, Bochum, Germany
| | - Joachim Steinbach
- Dr. Senckenbergisches Institut für Neuroonkologie, Frankfurt, Germany
| | - Clemens Seidel
- Department of Radiation Oncology, University Hospital Leipzig, Leipzig, Germany
| | - Roland Goldbrunner
- Center for Neurosurgery, Dept. of General Neurosurgery, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Niklas Schäfer
- Division of Clinical Neurooncology, Department of Neurology, University Hospital Bonn, Bonn, Germany
| | | | - Björn Scheffler
- DKFZ-Division Translational Neurooncology at the West German Cancer Center, German Cancer Consortium, DKFZ Heidelberg & Partner Site University Hospital Essen, Germany, Essen, Germany
| | - Martin Glas
- Department of Neurology and Center for Translational Neuro- and Behavioral Sciences (C-TNBS), Division of Clinical Neurooncology, University Medicine Essen, University Duisburg-Essen, Essen, Germany
| | - Lothar Haeberle
- Erlangen University Hospital, Department of Gynecology and Obstetrics, Comprehensive Cancer Center Erlangen-EMN, Friedrich Alexander University of Erlangen–Nuremberg, Germany, Erlangen, Germany
| | - Ulrich Herrlinger
- Division of Clinical Neurooncology, Department of Neurology, University Hospital Bonn, Bonn, Germany
| | - Christoph Coch
- Institute of Clinical Chemistry and Clinical Pharmacology, University of Bonn, Bonn, Germany
| | - Katrin Reiners
- Institute of Clinical Chemistry and Clinical Pharmacology, University of Bonn, Bonn, Germany
| | - Gunther Hartmann
- Institute of Clinical Chemistry and Clinical Pharmacology, University of Bonn, Bonn, Germany
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Tzaridis T, Weller J, Bachurski D, Schäfer N, Schaub C, Hallek M, Scheffler B, Glas M, Hartmann G, Herrlinger U, Wild S, Coch C, Reiners K. BIOM-40. ANALYSIS OF SERUM MIRNA IN GLIOBLASTOMA PATIENTS: TARGETED ENRICHMENT OF EXTRACELLULAR VESICLES ENHANCES SPECIFICITY FOR PROGNOSTIC SIGNATURE. Neuro Oncol 2020. [DOI: 10.1093/neuonc/noaa215.039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Glioblastoma is a devastating disease, for which biomarkers allowing a prediction of prognosis are urgently needed. microRNAs have been described as potentially valuable biomarkers in cancer. Here, we studied a panel of microRNAs in extracellular vesicles (EV) from the serum of glioblastoma patients and also in total serum without prior EV separation, and evaluated their correlation with the survival of these patients. Our study included 55 patients in total, 26 (47.3%) of which were treated within the multicenter Phase III CeTeG/NOA-09 trial and 29 (52.7%) in the Division of Clinical Neurooncology of the University Hospital of Bonn, as well as 10 healthy volunteers (HV). Blood was drawn from patients during the adjuvant chemotherapeutic treatment. A panel of 15 microRNAs was studied by quantitative real-time PCR in EV that were separated by size-exclusion chromatography, followed by CDxx* immunoprecipitation (SEC+CDxx*), and compared with those from total serum of glioblastoma patients and HV. Comparing SEC+CDxx* to total serum, we found evidence for enrichment of miR-21-3p and miR-106a-5p and, conversely, lower levels of miR-15b-3p in SEC+CDxx* EV. miR-15b-3p and miR-21-3p were upregulated in serum of glioblastoma patients compared to healthy subjects. Significant correlation with survival of the patients was found for levels of miR-15b-3p in total serum and miR-15b-3p, miR-21-3p, miR-106a-5p and miR-328-3p in SEC+CDxx* EV. Combining miR-15b-3p in serum or miR-106a-5p in SEC+CDxx* EV with any one of the other three microRNAs in SEC+CDxx* EV allowed for a prognostic stratification of glioblastoma patients. We have thus identified four microRNAs whose levels, in combination, can predict the prognosis for these patients. *=Cluster of Differentiation xx (CDxx); Molecule cannot be specifically mentioned due to pending patent.
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Affiliation(s)
- Theophilos Tzaridis
- Institute of Clinical Chemistry and Clinical Pharmacology & Division of Clinical Neurooncology, Department of Neurology, Center of Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Partner Site Bonn, University Hospital Bonn, Bonn, Germany, Bonn, Germany
| | - Johannes Weller
- Division of Clinical Neurooncology, Dept. of Neurology, University Hospital Bonn, Bonn, Germany, Bonn, Germany
| | - Daniel Bachurski
- Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Partner Site Cologne, CECAD Center of Excellence on “Cellular Stress Responses in Aging-Associated Diseases”, Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany, Cologne, Germany
| | - Niklas Schäfer
- Division of Clinical Neurooncology, Dept. of Neurology, University Hospital Bonn, Bonn, Germany, Bonn, Germany
| | - Christina Schaub
- Division of Clinical Neurooncology, Dept. of Neurology, University Hospital Bonn, Bonn, Germany, Bonn, Germany
| | - Michael Hallek
- Department I of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Düsseldorf, Partner Site Cologne, CECAD Center of Excellence on “Cellular Stress Responses in Aging-Associated Diseases”, Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany, Cologne, Germany
| | - Björn Scheffler
- DKFZ-Division Translational Neurooncology at the WTZ, DKTK partner site, University Hospital Essen, Essen, Germany
| | - Martin Glas
- Division of Clinical Neurooncology, Department of Neurology, University Hospital Essen, Essen, Germany
| | - Gunther Hartmann
- Institute of Clinical Chemistry and Clinical Pharmacology, University of Bonn, Bonn, Germany, Bonn, Germany
| | - Ulrich Herrlinger
- Division of Clinical Neurooncology, Dept. of Neurology, University Hospital Bonn, Bonn, Germany, Bonn, Germany
| | - Stefan Wild
- Miltenyi Biomedicine GmbH, Bergisch Gladbach, Germany
| | - Christoph Coch
- Institute of Clinical Chemistry and Clinical Pharmacology, University of Bonn, Bonn, Germany, Bonn, Germany
| | - Katrin Reiners
- Institute of Clinical Chemistry and Clinical Pharmacology, University of Bonn, Bonn, Germany, Bonn, Germany
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Tzaridis T, Reiners K, Herrlinger U, Gunther H, Scheffler B, Glas M, Coch C. CBMT-17. NOVEL APPROACH OF UTILISING SERUM/PLASMA EV AND CELL-FREE RNA FOR TREATMENT MONITORING IN GLIOBLASTOMA PATIENTS. Neuro Oncol 2018. [DOI: 10.1093/neuonc/noy148.136] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Theophilos Tzaridis
- Division of Clinical Neurooncology, Department of Neurology and Center of Integrated Oncology (CIO), University of Bonn, Bonn, Germany
| | - Katrin Reiners
- Institute of Clinical Chemistry and Clinical Pharmacology, University Hospital of Bonn, Bonn Germany
| | - Ulrich Herrlinger
- Division of Clinical Neurooncology, University of Bonn Medical Center, Bonn, Nordrhein-Westfalen, Germany
| | - Hartmann Gunther
- Institute of Clinical Chemistry and Clinical Pharmacology, University Hospital of Bonn, Bonn Germany
| | - Björn Scheffler
- DKFZ-Division Translational Neurooncology at the West German Cancer Center (WTZ), German Cancer Consortium (DKTK), Essen, Germany
| | - Martin Glas
- Division of Clinical Neurooncology, University Hospital Essen, Essen, Germany
| | - Christoph Coch
- Institute of Clinical Chemistry and Clinical Pharmacology, University Hospital of Bonn, Bonn Germany
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Affiliation(s)
- D Zeller
- Department of Neurology, University of Würzburg, , Würzburg, Germany
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Hansen N, Obermann M, Uçeyler N, Zeller D, Mueller D, Yoon MS, Reiners K, Sommer C, Katsarava Z. [Clinical application of pain-related evoked potentials]. Schmerz 2012; 26:8-15. [PMID: 22134376 DOI: 10.1007/s00482-011-1117-1] [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] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
Abstract
Pain-related evoked potentials (PREPs) represent a novel method for the evaluation of peripheral and central nociceptive pathways, e.g. in the diagnosis of small fiber neuropathy (SFN) or after therapeutic interventions for headache. Compared to contact heat-evoked and laser-evoked potentials, recording of PREPs is less stressful for the subjects and technically less demanding. The clinical usefulness of PREPs has been described for SFN associated with diabetes, HIV and hepatitis C infections as well as in headache and facial pain disorders. They have also been evaluated after interventional methods, such as direct current stimulation (tDCS). The article reviews and discusses the advantages and pitfalls of this technique in the context of recent clinical studies as compared to other paradigms of peripheral electrical stimulation and delineates perspectives and possible indications.
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Affiliation(s)
- N Hansen
- Neurologische Klinik, Universitätsklinikum Würzburg, Josef-Schneider-Strasse 11, Würzburg, Germany.
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Holzapfel BM, Heinen F, Holzapfel DE, Reiners K, Nöth U, Rudert M. [Nerve lesions after minimally invasive total hip arthroplasty]. Orthopade 2012; 41:354-64. [PMID: 22581146 DOI: 10.1007/s00132-011-1890-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Although there is no clear evidence, minimally invasive hip arthroplasty seems to be associated with slightly higher complication rates compared to standard procedures. Major nerve palsy is one of the least common but most distressing complications. The key for minimizing the incidence of nerve lesions is to analyze preoperative risk factors, accurate knowledge of the anatomy and minimally invasive techniques. Once clinical signs of nerve injury are evident, the first diagnostic steps are localization of the lesion and quantification of the damage pattern. Therefore, clinical assessment of the neurological deficits should be performed as soon as possible. Apart from rare cases of isolated transient conduction blockade or complete transection, the damage pattern is mostly combined. Thus, there can be evidence for dysfunction of nerve conduction (neuropraxia) and structural nerve damage (axonotmesis or neurotmesis) simultaneously. Because the earliest signs of denervation are detectable via electromyography after 1 week, it is not possible to make any reliable prognosis within the first days after nerve injury using electrophysiological methods. This review article should serve as a guideline for prevention, diagnostics and therapy of neural lesions in minimally invasive hip arthroplasty.
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Affiliation(s)
- B M Holzapfel
- Orthopädische Klinik König-Ludwig-Haus, Julius-Maximilians-Universität Würzburg, Brettreichstr. 11, 97074, Würzburg, Deutschland.
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Wessig C, Bendszus M, Reiners K, Pham M. [Lesions of the peripheral nerves: MR neurography as an innovative supplement to electrodiagnostics]. HANDCHIR MIKROCHIR P 2012; 44:155-62. [PMID: 22833069 DOI: 10.1055/s-0032-1324371] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
Abstract
The diagnostic work-up of peripheral neuropathies largely depends on neurophysiological investigations. Recently, progress in magnetic resonance imaging (MRI) has lead to new perspectives in the diagnostics of disorders of the peripheral nervous system (PNS). Experimental data show how MR neurography visualises axonal and demyelinating lesions of the PNS. In clinical use, difficult cases of focal nerve compression, traumatic or inflammatory lesions can be solved by the combination of MR neurography and neurophysiology. In particular, the localisation of nerve lesions can be improved by MR techniques. Furthermore, MR neurography enables new insights in the pathophysiology of neuropathies which will be shown for diabetic polyneuropathy.
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Affiliation(s)
- C Wessig
- Neurologische Klinik, Universitätsklinikum Würzburg.
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Wessig C, Bendszus M, Reiners K, Pham M. Läsionen peripherer Nerven: MR-Neurografie als innovative Ergänzung zur Elektrodiagnostik. KLIN NEUROPHYSIOL 2011. [DOI: 10.1055/s-0031-1291231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
Affiliation(s)
| | | | | | - M. Pham
- Abteilung für Neuroradiologie
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Abstract
The postpartum dysgalactia syndrome (PDS) represents one of the most important diseases after parturition in sows. The genetic background of the disease has been investigated some time ago and heritability estimates around 0.10 have been obtained. To compute current estimates, a dataset of 1680 sampled sows and their 2001 clinically examined litters was used for variance components estimation with a threshold liability model. Affected sows were defined through clinical examination 12-48 h after parturition. Posterior mean of additive genetic variance was 0.10 and estimated heritability for PDS averaged 0.0879 with a 95% confidence interval of 0.0876 and 0.0881. The results are in agreement with those of other studies and emphasize the importance of considering the genetic predisposition for susceptibility to PDS as well as of additional factors including hygiene and management conditions.
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Affiliation(s)
- R Preissler
- Institute of Agricultural and Nutritional Sciences (IANS), Martin-Luther-University Halle-Wittenberg, Halle (Saale), Germany.
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Abstract
BACKGROUND Myotonic dystrophy type 2/proximal myotonic myopathy (DM 2/PROMM) is an autosomal dominant multisystem disorder characterized by proximal muscle weakness, myotonia and musculoskeletal pain. PATIENTS AND METHODS We describe five patients with DM 2/PROMM in whom musculoskeletal pain was the most prominent feature. We used the McGill Pain Questionnaire for standardized pain assessment. RESULTS The patients reported multiple types of musculoskeletal pain including tenderness, cold-enhanced and exercise-related musculoskeletal pain. Exercise-induced or -enhanced musculoskeletal pain was indicated as the most disabling feature. CONCLUSIONS Myotonic dystrophy type 2 should be considered as one of the differential diagnoses in patients with musculoskeletal pain. Family history and laboratory tests provide critical diagnostic clues.
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Affiliation(s)
- A George
- Neurologische Klinik und Poliklinik, Universitätsklinikum Würzburg.
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Flachenecker P, Leussink V, Frischholz C, Schoof J, Brechtelsbauer D, Reiners K, Toyka KV, Rieckmann P. Autonome kardiovasuläre Regulationsstörung bei Patienten mit klinisch isoliertem Syndrom und Multiple Sklerose: eine prospektive Längsschnittuntersuchung. Akt Neurol 2009. [DOI: 10.1055/s-0029-1238572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Strothotte S, Strigl-Pill N, Grunert B, Kornblum C, Eger K, Wessig C, Deschauer M, Breunig F, Glocker FX, Vielhaber S, Brejova A, Hilz M, Reiners K, Müller-Felber W, Mengel E, Spranger M, Schoser B. Enzyme replacement therapy with alglucosidase alfa in 44 patients with late-onset glycogen storage disease type 2: 12-month results of an observational clinical trial. J Neurol 2009; 257:91-7. [DOI: 10.1007/s00415-009-5275-3] [Citation(s) in RCA: 166] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2009] [Revised: 07/07/2009] [Accepted: 07/23/2009] [Indexed: 10/20/2022]
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Reiners K. Neurographische Differenzialdiagnose chronischer motorischer Neuropathien. KLIN NEUROPHYSIOL 2009. [DOI: 10.1055/s-0029-1216053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Abstract
The influence of heated mash on growth and feeding behavior of newly weaned piglets was investigated. An automatically ventilated nursery with 4 identical pens was used. Twenty piglets weaned at 21 d were housed in each pen. The experiment was repeated 3 times. In total, data were obtained from 240 piglets of 12 pens. The pens were provided with a sensor-controlled, automatic feeding device, which dosed a ready-mixed mash in a trough. In each of 2 of the pens, the feed was mixed with warm water at 36 degrees C, during the first week of weaning. This heated mash had a temperature of 34 degrees C at the outlet of the automatic feeding device (experimental group). In the 2 control groups, the water was not heated and the temperature of the mash was 14 degrees C at the outlet of the automatic feeding device. From the second week of weaning, the mash had a temperature of 14 degrees C at the outlet of the automatic feeding device in all 4 pens. Piglets were weighed at weaning, at weekly intervals through 49 d after weaning, and on d 139 after weaning. Behavior of the whole group, as well as behavior of selected focal animals, was evaluated for the first 48 h after weaning. In addition, skin condition of piglets was assessed on day of weaning and on d 7, 14, and 21 after weaning. The amount of feed consumed by the piglets was recorded on a daily basis throughout the whole period of nursery. Over the total period of the study, piglets in the experimental group gained 3.98 +/- 1.66 kg (P = 0.047) more than the control group. The difference was particularly clear during the nursery period (49 d) when the experimental group gained 0.89 +/- 0.23 kg more than the control group (P = 0.03). Although piglets in the control group consumed 37.15 +/- 0.15 kg of feed over the complete nursery period, the experimental group consumed 42.56 +/- 0.15 kg per piglet (P = 0.023). By heating the mash feed in the first week after weaning, both growth performance as well as feed consumption of piglets could be increased. No difference in feed conversion and feeding behavior was found between groups.
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Affiliation(s)
- K Reiners
- Research Centre for Animal Production and Technology, Georg-August University of Goettingen, D-49377 Vechta, Germany.
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Weise D, Schramm A, Beck M, Reiners K, Classen J. Topographic specificity of LTD-like plasticity in non-dystonic body parts in focal dystonia. Brain Stimul 2008. [DOI: 10.1016/j.brs.2008.06.046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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Reiners K. Neurophysiologische und morphologische Aspekte der Nervenleitung. I. Grundlagen und Problematik des Leitungsblocks. KLIN NEUROPHYSIOL 2008. [DOI: 10.1055/s-2008-1060161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Herdmann J, Büdingen H, Reiners K, Berger W, Freund HJ. Die Abhängigkeit der Aktionspotentialamplitude motorischer Einheiten von der Rekrutierungsschwelle: Implikationen für die Elektromyographie. KLIN NEUROPHYSIOL 2008. [DOI: 10.1055/s-2008-1060945] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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19
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Schneider C, Reiners K. Elektrophysiologische Diagnostik neuromuskulärer Übertragungsstörungen. KLIN NEUROPHYSIOL 2008. [DOI: 10.1055/s-2008-1060051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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20
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Reiners K. Neurophysiologische und morphologische Aspekte der Nervenleitung II: Befunde bei wichtigen neuropathischen Krankheitsbildern. KLIN NEUROPHYSIOL 2008. [DOI: 10.1055/s-2008-1060164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Simhadri VL, Hansen HP, Simhadri VR, Reiners K, Engert A, Von Strandmann EP. Role of CD30/CD30L Mediated Signaling in the Cross‐talk of Natural Killer Cells and Dendritic Cells. FASEB J 2008. [DOI: 10.1096/fasebj.22.1_supplement.1078.17] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
| | - Hinrich P Hansen
- Department of Internal Medicine IUniversity Hospital of CologneCologneGermany
| | | | - Katrin Reiners
- Department of Internal Medicine IUniversity Hospital of CologneCologneGermany
| | - Andreas Engert
- Department of Internal Medicine IUniversity Hospital of CologneCologneGermany
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Hessel EF, Reiners K, Van den Weghe HFA. Socializing piglets before weaning: effects on behavior of lactating sows, pre- and postweaning behavior, and performance of piglets. J Anim Sci 2008; 84:2847-55. [PMID: 16971588 DOI: 10.2527/jas.2005-606] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
This study evaluated how socializing piglets before weaning affects behavior of lactating sows and the pre- and postweaning behavior and performance of piglets. Two farrowing rooms, each with 6 pens, and 1 nursery with 4 pens were used. In total, data were obtained from 24 sows and their litters. In each farrowing room, the solid barriers between 3 farrowing pens were removed on d 12 after farrowing, and the sows remained confined in their crates (experimental group). In the other 3 farrowing pens of each farrowing room, sows and their litters were kept under conventional conditions until weaning (control group). All piglets were weaned 28 d after birth. After weaning, piglets from each group remained together in 1 pen of the nursery. The behavior of sows (lying, standing, sitting, nursing) and piglets (lying, active, suckling) in the farrowing rooms was observed for 24 h before and for 48 h after removal of the barriers between the pens. In addition, behavior (active, lying, feeding, agonistic behavior) of piglets was observed in the nursery during the initial 48-h period after weaning. Each piglet was weighed on d 5, 12, and 28 after birth and thereafter weekly until the fifth week of rearing. In the farrowing room, mixing of litters did not influence behavior of piglets and sows. Preweaning weight gain of the piglets did not differ (P = 0.60) between the treatments. In the initial 48 h after weaning, less agonistic behavior (P < 0.001) was observed in piglets belonging to the experimental group. During 5 wk of rearing, piglets in the experimental group gained more weight compared with the control group (P = 0.05). The advantage shown by the experimental group became especially conspicuous in the first week after weaning (P = 0.05). By socializing unfamiliar piglets before weaning, stress due to mixing could at least be distanced in time from the other burdens of weaning, thereby improving performance.
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Affiliation(s)
- E F Hessel
- Institute of Agricultural Engineering, University of Goettingen, D-37075 Goettingen, Germany.
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Ulzheimer JC, Schramm A, Reiners K, Beck M. Differential treatment of sternocleidomastoid and longus colli muscles in anterocollis patients with and without anterior shift. KLIN NEUROPHYSIOL 2007. [DOI: 10.1055/s-2007-1032255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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24
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Fischer M, Kress W, Reiners K, Rieckmann P. Orthostatic tremor in three brothers. J Neurol 2007; 254:1759-60. [PMID: 17657402 DOI: 10.1007/s00415-007-0647-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2007] [Revised: 04/27/2007] [Accepted: 05/03/2007] [Indexed: 10/23/2022]
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25
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Fan Z, Smith P, Reiners K, Hassani S, Harris G. Biomechanics of femoral deformity in osteogenesis imperfecta (OI): a quantitative approach to rehabilitation. Conf Proc IEEE Eng Med Biol Soc 2007; 2004:4884-7. [PMID: 17271407 DOI: 10.1109/iembs.2004.1404351] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Skeletal deformity is an important characteristic of osteogenesis imperfecta (OI). To study the influence of deformity in stress/strain distribution, a finite element analysis (TEA) of the femur during physiological loading was developed. The diaphysis was altered mathematically to reflect different clinical deformities of OI. Joint reaction and muscle forces were adapted from the literature to reproduce the loading environment at 10% gait cycle (loading response, LR). The goal of the study was to quantitatively describe the stress/strain distribution while comparing the extent of deformity. The results showed that deformity could deteriorate the stress/strain distribution. The study offers a quantitative means for rehabilitative intervention.
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Affiliation(s)
- Z Fan
- Orthopaedic & Rehabilitation Eng. Center, Milwaukee, WI, USA
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26
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Schramm A, Weise D, Beck M, Reiners K, Claßen J. Gestörte topographische Spezifität assoziativer Plastizität bei zervikaler Dystonie. KLIN NEUROPHYSIOL 2007. [DOI: 10.1055/s-2007-976426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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27
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Schramm A, Reiners K. Neurophysiologische Untersuchungen in der Diagnostik von Polyneuropathien. KLIN NEUROPHYSIOL 2007. [DOI: 10.1055/s-2007-968162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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28
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Baker KM, Lu L, Klein JP, Cao K, Reiners K, Johnson C, Lipsey J, Hassani S, Ackman JD, Schwab JP, Harris GF. Kinematic analysis of upper extremity joint motion in children using posterior walkers. Conf Proc IEEE Eng Med Biol Soc 2007; 2004:5100-3. [PMID: 17271465 DOI: 10.1109/iembs.2004.1404409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
This study applies an upper extremity model to analyze motion in 25 children with cerebral palsy using posterior walkers. The study indicates that throughout a gait cycle, the shoulders and wrist are in extension and the elbows are flexed. It also reveals that the elbows are the most asymmetrical joint of the upper extremities during walker-assisted ambulation.
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Affiliation(s)
- K M Baker
- Department of Biomedical Engineering, Marquette University, Milwaukee, WI, USA
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29
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Hassani S, Roh J, Ferdjallah M, Reiners K, Kuo K, Smith P, Harris G. Rehabilitative orthotics evaluation in children with diplegic cerebral palsy: kinematics and kinetics. Conf Proc IEEE Eng Med Biol Soc 2007; 2004:4874-6. [PMID: 17271404 DOI: 10.1109/iembs.2004.1404348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Ankle foot orthoses (AFOs) are prescribed for ambulatory children with spastic diplegia to improve biomechanical alignment and functional capability. The purpose of this study was to employ quantitative motion analysis of the lower extremity to investigate two rehabilitative orthotics. The effects of hinged ankle foot orthoses (HAFO) and dynamic ankle foot orthoses (DAFO) for joint ankle management in children with cerebral palsy were compared. Sixteen (16) independently ambulatory children with a diagnosis of spastic diplegic cerebral palsy (7.5 +/- 2.9 yrs.) were included in the study. The biomechanical effects of two AFO designs were compared to barefoot using a 3-D motion analysis system. Significant differences between braced and unbraced conditions were found in peak ankle dorsiflexion, and peak ankle plantarflexion, knee stance peak flexion, knee swing peak flexion, hip stance peak flexion, and peak ankle plantarflexion moment (p < 0.01). Differences between the HAFO and DAFO were not seen in the kinematic and kinetic metrics. Further development of dynamic testing is suggested in order to advance our understanding of orthotic intervention. The value of quantitative description of gait dynamics is clearly indicated for rehabilitative application.
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Affiliation(s)
- S Hassani
- Shriners Hospital for Crippled Children, Chicago, IL, USA
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30
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Kraft P, Beck M, Reiners K. Prognose der Amyotrophen Lateralsklerose unter differenzierter Berücksichtigung des Manifestationsortes. Akt Neurol 2007. [DOI: 10.1055/s-2007-987970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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31
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Reilich P, Petersen JA, Vielhaber S, Mawrin C, Schneider-Gold C, Sommer C, Reiners K, Deschauer M, Pongratz D, Lochmüller H, Walter MC. LGMD 2I due to the common mutation 826C>A in the FKRP gene presenting as myopathy with vacuoles and paired-helical filaments. Acta Myol 2006; 25:73-76. [PMID: 18593008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
We report on two unrelated patients clinically presenting with late-onset progressive limb girdle weakness; cardiomyopathy was seen in one patient. Muscle biopsy revealed a necrotic myopathy with numerous rimmed vacuoles, ultrastructurally typical paired-helical filaments, and reduced immunohistochemical staining for alpha-dystroglycan. Quadriceps sparing hereditary inclusion body myopathy due to mutations in GNE gene, and OPMD due to PABPN1 mutations were excluded, genetically. We detected a homozygous mutation of the FKRP gene (826C>A) in both patients. Mutations of FKRP have been reported in congenital muscular dystrophies, LGMD2I, cardiomyopathy and hyperCKemia, but not in myopathies with vacuoles and paired-helical filaments. Therefore, our findings further extend the morphological variability of muscular dystrophies due to FKRP mutations.
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Affiliation(s)
- P Reilich
- Friedrich-Baur-Institute, Department of Neurology, Ludwig-Maximilians University of Munich, Munich, Germany
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Kallmann BA, Fackelmann S, Toyka KV, Rieckmann P, Reiners K. Early abnormalities of evoked potentials and future disability in patients with multiple sclerosis. Mult Scler 2006; 12:58-65. [PMID: 16459720 DOI: 10.1191/135248506ms1244oa] [Citation(s) in RCA: 84] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Evoked potentials (EP) have a role in making the diagnosis of multiple sclerosis (MS) but their implication for predicting the future disease course in MS is under debate. EP data of 94 MS patients examined at first presentation, and after five and ten years were retrospectively analysed. Patients were divided into two groups in relation to the prior duration of disease at the time point of first examination: group 1 patients (n=44) were first examined within two years after disease onset, and group 2 patients (n=50) at later time points. As primary measures sum scores were calculated for abnormalities of single and combined EP (visual (VEP), somatosensory (SEP), magnetic motor evoked potentials (MEP)). In patients examined early after disease onset (group 1), a significant predictive value for abnormal EP was found with MEP and SEP sum scores at first presentation correlating significantly with Expanded Disability Status Scale (EDSS) values after five years, while the VEP sum score was not. The cumulative number of abnormal MEP, SEP and VEP results also indicated higher degrees of disability (EDSS > or = 3.5) after five years. Combined pathological SEP and MEP findings at first presentation best predicted clinical disability (EDSS > or = 3.5) after five years (odds ratio 11.0). EP data and EDSS at first presentation were not significantly linked suggesting that EP abnormalities at least in part represented clinically silent lesions not mirrored by EDSS. For patients in later disease phases (group 2), no significant associations between EP data at first presentation and EDSS at five and ten years were detected. Together with clinical findings and MR imaging, combined EP data may help to identify patients at high risk of long-term clinical deterioration and guide decisions as to immunomodulatory treatment.
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Affiliation(s)
- B A Kallmann
- Department of Neurology, Universitätsklinikum der Bayerischen Julius-Maximilians-Universität, 97080 Würzburg, Germany.
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Schramm A, Naumann M, Reiners K, Classen J. Fehlende Interferenz einer repetitiven transkraniellen 1-Hz oder Theta-burst Magnetstimulation über dem posterioren Parietalkortex mit dem sensorischen Trickmanöver bei Tortikollis-Patienten. Akt Neurol 2006. [DOI: 10.1055/s-2006-953038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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35
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Schramm A, Naumann M, Reiners K, Beck M, Classen J. „Kranieller Schreibkrampf“ – Eine ungewöhnliche Übergebrauchsdystonie nach beiderseitiger traumatischer Armamputation. Akt Neurol 2006. [DOI: 10.1055/s-2006-953005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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36
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Brandt C, Brechtelsbauer D, Bien CG, Reiners K. „Out-of-body experience“ als mögliches Anfallssymptom bei einem Patienten mit rechtsparietaler Läsion. Nervenarzt 2005; 76:1259, 1261-2. [PMID: 15830175 DOI: 10.1007/s00115-005-1904-y] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Out-of-body experiences are reported in a variety of diseases and physiologic conditions. We report a 44-year-old patient with epigastric auras, psychomotor and grand mal seizures, and paroxysmal experiences during which he believed to have left his body and seen himself from the outside. Electroencephalography showed a right temporal and right parietal seizure pattern on several occasions, and a lesion in the right parietal lobe was detected by cranial magnetic resonance imaging. Histological examination showed a pleomorphic xanthoastrocytoma. Following extirpation of the lesion, the patient has been seizure-free for 5 years.
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Affiliation(s)
- C Brandt
- Epilepsiezentrum Bethel, Klinik Mara I, Bielefeld.
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37
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Böll B, Hansen H, Heuck F, Reiners K, Borchmann P, Rothe A, Engert A, Pogge von Strandmann E. The fully human anti-CD30 antibody 5F11 activates NF-κB and sensitizes lymphoma cells to bortezomib-induced apoptosis. Blood 2005; 106:1839-42. [PMID: 15878978 DOI: 10.1182/blood-2005-01-0427] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
Abstract5F11, a fully human monoclonal antibody directed against CD30, effectively induces killing of CD30-expressing lymphoma cell lines in vitro and in animal models. A recently conducted phase 1/2 study shows that 5F11 is well tolerated in heavily pretreated patients with relapsed and refractory CD30+ lymphoma and has some clinical activity. In the present study, we demonstrate that 5F11 activates nuclear factor κB (NF-κB) and the anti-apoptotic protein cellular FLICE (Fas-associating protein with death domain-like interleukin-1β-converting enzyme) inhibitory protein (c-flip) in Hodgkin lymphoma (HD)-derived cell lines, which might cause apoptosis resistance, thus limiting the clinical use of 5F11. To overcome this resistance, we combined 5F11 with the proteasome inhibitor bortezomib, which has been shown to suppress NF-κB activity. This combination revealed a synergistic cytotoxic effect in vitro and in a human HD xenograft model provided that 5F11 precedes bortezomib treatment. We conclude that initial 5F11-mediated NF-κB signaling sensitizes the tumor cells to bortezomib-induced cell death. These data suggest a therapeutic value of this combination for HD patients. (Blood. 2005;106:1839-1842)
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Affiliation(s)
- Boris Böll
- University Hospital of Cologne, Department of Internal Medicine, Kerpener Str. 62 D-50924 Köln, Germany
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38
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Affiliation(s)
- V Leussink
- Department of Neurology, Klinikum Augsburg, Julius Maximilians University of Würzburg, Germany
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39
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Schröter A, Brinkhoff J, Günthner-Lengsfeld T, Suerbaum S, Reiners K, Messmann H, Naumann M. Whipple's disease presenting as an isolated lesion of the cervical spinal cord. Eur J Neurol 2005; 12:276-9. [PMID: 15804244 DOI: 10.1111/j.1468-1331.2004.01035.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Chronic myelitis from Whipple's disease of the spinal cord is extremely rare. The differential diagnosis includes chronic inflammatory lesions, viral or bacterial infections, and tumours of the spinal cord. Here we present a 50-year-old man with mild sensory deficits because of a large lesion of the cervical spinal cord who markedly showed improvement during probatory antibiotic therapy. PCR and jejunal biopsy were initially negative and only later confirmed the diagnosis of Whipple's disease. Clinical and neuroradiological criteria are suggested which may be of help in the early diagnosis of spinal Whipple's disease before confirmation by molecular biology or histology.
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Affiliation(s)
- A Schröter
- Department of Neurology, Bayerische Julius-Maximilians-Universität Würzburg, Würzburg, Germany.
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40
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Weber KE, Linker RA, Lorenz R, Muellges W, Naumann M, Reiners K, Classen J. Recurrent spontaneous "neuroleptic malignant syndrome" in the absence of neuroleptic medication in probable dementia with Lewy bodies. J Neurol 2005; 252:1122-4. [PMID: 15765193 DOI: 10.1007/s00415-005-0804-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2004] [Revised: 01/10/2005] [Accepted: 01/17/2005] [Indexed: 11/30/2022]
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41
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Reiners K. Professor Dr. med. Kenneth Ricker (1935 - 2004). KLIN NEUROPHYSIOL 2004. [DOI: 10.1055/s-2004-828383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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42
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Schramm A, Weise D, Reiners K, Naumann M, Classen J. Associative Motor Cortex Plasticity is Reduced on the Non-Affected Side in Focal Hand Dystonia. KLIN NEUROPHYSIOL 2004. [DOI: 10.1055/s-2004-832165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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43
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Schramm A, Classen J, Reiners K, Naumann M. Characteristics of Sensory Trick Maneuvers in Idiopathic Oromandibular Jaw Opening Dystonia. KLIN NEUROPHYSIOL 2004. [DOI: 10.1055/s-2004-832166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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44
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Stefan K, Wycislo M, Leussink V, Schramm A, Naumann M, Reiners K, Classen J. Associative Motor Cortical Plasticity is Modulated by the Activation History of Motor Cortex. KLIN NEUROPHYSIOL 2004. [DOI: 10.1055/s-2004-832181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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45
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Wessig C, Reiners K, Koltzenburg M, Solymosi L, Toyka KV, Bendszus M. MRI detection of peripheral nerve denervation and regeneration: correlation with electromyography and histology. KLIN NEUROPHYSIOL 2004. [DOI: 10.1055/s-2004-832229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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46
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Kallmann B, Büttner S, Toyka K, Reiners K, Rieckmann P. Prognostischer Wert von evozierten Potentialen für den Krankheitsverlauf bei der Multiplen Sklerose. Akt Neurol 2004. [DOI: 10.1055/s-2004-833093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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47
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Fallgatter AJ, Neuhauser B, Herrmann MJ, Ehlis AC, Wagener A, Scheuerpflug P, Reiners K, Riederer P. Far field potentials from the brain stem after transcutaneous vagus nerve stimulation. J Neural Transm (Vienna) 2003; 110:1437-43. [PMID: 14666414 DOI: 10.1007/s00702-003-0087-6] [Citation(s) in RCA: 131] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2003] [Revised: 01/01/2003] [Accepted: 10/17/2003] [Indexed: 11/26/2022]
Abstract
Recently, the vagus nerve has gained particular interest in neuropsychiatry, as neurodegenerative diseases like Alzheimer's and Parkinson's disease are supposed to affect the brainstem nuclei of the vagus nerve early in their course. In addition, electric stimulation of the vagus nerve has therapeutic effects in otherwise therapy-refractory epilepsies and depressions. So far, no method is available to assess vagus nerve function in this context. On this background and based on the established techniques of early acoustic evoked potentials we investigated if a transcutaneous electric stimulation of the sensory auricular branch of the vagus nerve innervating parts of the outer ear is feasible in healthy subjects using this hypothesis-generated approach. We were able to record a clear, reproducible Vagus Sensory Evoked Potential (VSEP) measured as far field potential probably originating in vagus nuclei in the brainstem. Further studies are needed to test the interindividual stability and test-retest reliability of this new method before potential diagnostic and therapeutic applications might be evaluated.
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Affiliation(s)
- A J Fallgatter
- Department of Psychiatry and Psychotherapy, University Hospital, Würzburg, Germany.
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48
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Bendszus M, Rieckmann P, Perez J, Koltzenburg M, Reiners K, Solymosi L. Painful vascular compression syndrome of the sciatic nerve caused by gluteal varicosities. Neurology 2003; 61:985-7. [PMID: 14557575 DOI: 10.1212/wnl.61.7.985] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
The authors report three patients with chronic sciatic pain without focal neurologic deficit. Sitting or lying on the affected side provoked pain, and standing and walking relieved it. MRI revealed varicotic gluteal vessels compressing the sciatic nerve. Decompression of the nerve resulted in complete and permanent pain relief. Sciatic or buttock pain in patients with varicosities and pain provocation in the sitting or lying position suggests this neurovascular compression syndrome.
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Affiliation(s)
- M Bendszus
- Department of Neuroradiology, University of Würzburg, Germany.
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Abstract
The authors studied standard autonomic function tests and measures of heart rate variability in 60 patients with multiple sclerosis (MS) and correlated results with the Fatigue Severity Scale and the Modified Fatigue Impact Scale. The authors found that autonomic responses correlated with fatigue resembling a hypoadrenergic orthostatic response, possibly due to a sympathetic vasomotor lesion with intact vagal heart control. Treatments to control sympathetic dysfunction for MS-associated fatigue deserve further study.
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Affiliation(s)
- P Flachenecker
- Department of Neurology, Julius-Maximilians-Universität, Würzburg, Germany.
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50
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Schramm A, Reiners K, Naumann M. Die Wirksamkeit sensibler Trickmanöver bei zervikalen Dystonien ist winkelabhängig. KLIN NEUROPHYSIOL 2003. [DOI: 10.1055/s-2003-816536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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