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Wallner S, Peters S, Pitzer C, Resch H, Bogdahn U, Schneider A. The Granulocyte-colony stimulating factor has a dual role in neuronal and vascular plasticity. Front Cell Dev Biol 2015; 3:48. [PMID: 26301221 PMCID: PMC4528279 DOI: 10.3389/fcell.2015.00048] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2015] [Accepted: 07/23/2015] [Indexed: 12/13/2022] Open
Abstract
Granulocyte-colony stimulating factor (G-CSF) is a growth factor that has originally been identified several decades ago as a hematopoietic factor required mainly for the generation of neutrophilic granulocytes, and is in clinical use for that. More recently, it has been discovered that G-CSF also plays a role in the brain as a growth factor for neurons and neural stem cells, and as a factor involved in the plasticity of the vasculature. We review and discuss these dual properties in view of the neuroregenerative potential of this growth factor.
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Seliger C, Ricci C, Meier CR, Bodmer M, Jick SS, Bogdahn U, Hau P, Leitzmann MF. Diabetes, use of antidiabetic drugs, and the risk of glioma. Neuro Oncol 2015; 18:340-9. [PMID: 26093337 DOI: 10.1093/neuonc/nov100] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2015] [Accepted: 05/07/2015] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND Prior epidemiologic studies suggest inverse relations between diabetes and glioma risk, but the underlying mechanisms, including use of antidiabetic drugs, are unknown. METHODS We therefore performed a matched case-control analysis using the Clinical Practice Research Datalink (CPRD). We identified incident glioma cases diagnosed between 1995 and 2012 and matched each case with 10 controls on age, gender, calendar time, general practice, and years of active history in the CPRD. We performed conditional logistic regression to estimate odds ratios (ORs) with 95% CIs, adjusted for body mass index and smoking. RESULTS We identified 2005 cases and 20 050 controls. Diabetes was associated with decreased risk of glioma (OR = 0.74; 95% CI = 0.60-0.93), particularly glioblastoma (OR = 0.69; 95% CI = 0.51-0.94). Glioblastoma risk reduction was markedly pronounced among diabetic men (OR = 0.60; 95% CI = 0.40-0.90), most apparently for those with diabetes of long-term duration (OR for >5 vs 0 y = 0.46; 95% CI = 0.26-0.82) or poor glycemic control (OR for HbA1c ≥ 8 vs <6.5% = 0.20; 95% CI = 0.06-0.70). In contrast, the effect of diabetes on glioblastoma risk was absent among women (OR = 0.85; 95% CI = 0.53-1.36). No significant associations with glioma were found for use of metformin (OR for ≥ 30 vs 0 prescriptions = 0.72; 95% CI = 0.38-1.39), sulfonylureas (OR = 0.71; 95% CI = 0.39-1.30), or insulin (OR = 0.79; 95% CI = 0.37-1.69). CONCLUSIONS Antidiabetic treatment appears to be unrelated to glioma, but long-term diabetes duration and increased HbA1c both show decreased glioma risk. Stronger findings in men than women suggest low androgen levels concurrent with diabetes as a biologic mechanism.
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Eckstein M, Winkler J, Bogdahn U, Brunner FX. Central Nervous System Complication after Trauma and Sinusitis. Skull Base Surg 2015. [DOI: 10.1159/000429807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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54
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Hasan M, Neumann B, Haupeltshofer S, Stahlke S, Claudio Fantini M, Angstwurm K, Bogdahn U, Kleiter I. Activation of TGF‐β‐induced non‐Smad signaling pathways during Th17 differentiation. Immunol Cell Biol 2015; 93:662-72. [DOI: 10.1038/icb.2015.21] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2014] [Revised: 01/15/2015] [Accepted: 02/01/2015] [Indexed: 12/21/2022]
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Kandasamy M, Rosskopf M, Wagner K, Klein B, Couillard-Despres S, Reitsamer HA, Stephan M, Nguyen HP, Riess O, Bogdahn U, Winkler J, von Hörsten S, Aigner L. Reduction in subventricular zone-derived olfactory bulb neurogenesis in a rat model of Huntington's disease is accompanied by striatal invasion of neuroblasts. PLoS One 2015; 10:e0116069. [PMID: 25719447 PMCID: PMC4342015 DOI: 10.1371/journal.pone.0116069] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2014] [Accepted: 12/05/2014] [Indexed: 01/18/2023] Open
Abstract
Huntington’s disease (HD) is an inherited progressive neurodegenerative disorder caused by an expanded CAG repeat in exon 1 of the huntingtin gene (HTT). The primary neuropathology of HD has been attributed to the preferential degeneration of medium spiny neurons (MSN) in the striatum. Reports on striatal neurogenesis have been a subject of debate; nevertheless, it should be considered as an endogenous attempt to repair the brain. The subventricular zone (SVZ) might offer a close-by region to supply the degenerated striatum with new cells. Previously, we have demonstrated that R6/2 mice, a widely used preclinical model representing an early onset HD, showed reduced olfactory bulb (OB) neurogenesis but induced striatal migration of neuroblasts without affecting the proliferation of neural progenitor cell (NPCs) in the SVZ. The present study revisits these findings, using a clinically more relevant transgenic rat model of late onset HD (tgHD rats) carrying the human HTT gene with 51 CAG repeats and mimicking many of the neuropathological features of HD seen in patients. We demonstrate that cell proliferation is reduced in the SVZ and OB of tgHD rats compared to WT rats. In the OB of tgHD rats, although cell survival was reduced, the frequency of neuronal differentiation was not altered in the granule cell layer (GCL) compared to the WT rats. However, an increased frequency of dopamenergic neuronal differentiation was noticed in the glomerular layer (GLOM) of tgHD rats. Besides this, we observed a selective proliferation of neuroblasts in the adjacent striatum of tgHD rats. There was no evidence for neuronal maturation and survival of these striatal neuroblasts. Therefore, the functional role of these invading neuroblasts still needs to be determined, but they might offer an endogenous alternative for stem or neuronal cell transplantation strategies.
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Müller-Barna P, Hubert GJ, Boy S, Bogdahn U, Wiedmann S, Heuschmann PU, Audebert HJ. TeleStroke units serving as a model of care in rural areas: 10-year experience of the TeleMedical project for integrative stroke care. Stroke 2014; 45:2739-44. [PMID: 25147327 DOI: 10.1161/strokeaha.114.006141] [Citation(s) in RCA: 94] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND AND PURPOSE Stroke Unit care improves stroke prognosis and is recommended for all patients with stroke. In rural areas, population-wide implementation of Stroke Units is challenging. Therefore, the TeleMedical Project for integrative Stroke Care (TEMPiS) was established in 2003 as a TeleStroke Unit network to overcome this barrier in Southeast Bavaria/Germany. Evaluation of its implementation between 2003 and 2005 had revealed improved process quality and clinical outcomes compared with matched hospitals without TeleStroke Units. Data on sustainability of these effects are lacking. METHODS Effects on the stroke care of the local population were analyzed by using data from official hospital reports. Prospective registries from 2003 to 2012 describe processes and outcomes of consecutive patients with stroke and transient ischemic attack treated in TEMPiS hospitals. Quality indicators assess diagnostics, treatment, and outcome. Rates and timeliness of intravenous thrombolysis as well as data on teleconsultations and secondary interhospital transfers were reported over time. RESULTS Within the covered area, network implementation increased the number of patients with stroke and transient ischemic attack treated in hospitals with (Tele-)Stroke Units substantially from 19% to 78%. Between February 2003 and December 2012, 54 804 strokes and transient ischemic attacks were treated in 15 regional hospitals, and 31 864 teleconsultations were performed. Intravenous thrombolysis was applied 3331 stroke cases with proportions increasing from 2.6% to 15.5% of all patients with ischemic stroke. Median onset-to-treatment times decreased from 150 (interquartile range, 127-163) to 120 minutes (interquartile range, 90-160) and door-to-needle times from 80 (interquartile range, 68-101) to 40 minutes (interquartile range, 29-59). CONCLUSIONS TeleStroke Units can provide sustained high-quality stroke care in rural areas.
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Ertl M, Barinka F, Torka E, Altmann M, Pfister K, Helbig H, Bogdahn U, Gamulescu MA, Schlachetzki F. Ocular color-coded sonography - a promising tool for neurologists and intensive care physicians. ULTRASCHALL IN DER MEDIZIN (STUTTGART, GERMANY : 1980) 2014; 35:422-431. [PMID: 24647767 DOI: 10.1055/s-0034-1366113] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Ocular color-coded duplex sonography (OCCS), when performed within the safety limits of diagnostic ultrasonography, is an easy noninvasive technique with high potential for diagnosis and therapy in diseases with raised intracranial pressure and vascular diseases affecting the eye. Despite the capabilities of modern ultrasound systems and its scientific validation, OCCS has not gained widespread use in neurological practice. In this review, the authors describe the technique and main parameter settings of OCCS systems to reduce potential risks as thermal or cavitational effects for sensitive orbital structures. Applications of OCCS are the determination of intracranial pressure in emergency medicine, and follow-up evaluations of idiopathic intracranial hypertension and ventricular shunting by measuring the optic nerve sheath diameter. A diameter of 5.7 - 6.0 mm corresponds well with symptomatically increased intracranial pressure (> 20 cmH2O). OCCS also helps to discriminate between different etiologies of central retinal artery occlusion - by visualization of a "spot sign" and Doppler flow analysis of the central retinal artery - and aids the differential diagnosis of papilledema. At the end perspectives are illustrated that combine established ultrasound methods such as transcranial color-coded sonography with OCCS.
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Moeckel S, Meyer K, Leukel P, Heudorfer F, Seliger C, Stangl C, Bogdahn U, Proescholdt M, Brawanski A, Vollmann-Zwerenz A, Riemenschneider MJ, Bosserhoff AK, Spang R, Hau P. Response-predictive gene expression profiling of glioma progenitor cells in vitro. PLoS One 2014; 9:e108632. [PMID: 25268354 PMCID: PMC4182559 DOI: 10.1371/journal.pone.0108632] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2014] [Accepted: 08/24/2014] [Indexed: 12/15/2022] Open
Abstract
Background High-grade gliomas are amongst the most deadly human tumors. Treatment results are disappointing. Still, in several trials around 20% of patients respond to therapy. To date, diagnostic strategies to identify patients that will profit from a specific therapy do not exist. Methods In this study, we used serum-free short-term treated in vitro cell cultures to predict treatment response in vitro. This approach allowed us (a) to enrich specimens for brain tumor initiating cells and (b) to confront cells with a therapeutic agent before expression profiling. Results As a proof of principle we analyzed gene expression in 18 short-term serum-free cultures of high-grade gliomas enhanced for brain tumor initiating cells (BTIC) before and after in vitro treatment with the tyrosine kinase inhibitor Sunitinib. Profiles from treated progenitor cells allowed to predict therapy-induced impairment of proliferation in vitro. Conclusion For the tyrosine kinase inhibitor Sunitinib used in this dataset, the approach revealed additional predictive information in comparison to the evaluation of classical signaling analysis.
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Backhaus R, Schuierer G, Röhrer C, Gamulescu MA, Helbig H, Bogdahn U, Schlachetzki F. Introspection: a curious case of lens luxation. J Neuroimaging 2014; 25:513. [PMID: 25258125 DOI: 10.1111/jon.12161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2014] [Revised: 05/14/2014] [Accepted: 06/01/2014] [Indexed: 12/01/2022] Open
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Gawrisch V, Patwary N, Ruttgers M, Kerkhoff E, Riemenschneider MJ, Bogdahn U, Vollmann-Zwerenz A, Klein CA, Hau P. P03.02 * IN SITU ORGANOTYPIC SLICE CULTURE MIGRATION MODEL TO DISSECT INFILTRATIVE FROM STATIONARY HUMAN BRAIN TUMOR INITIATING CELLS. Neuro Oncol 2014. [DOI: 10.1093/neuonc/nou174.125] [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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61
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Seliger C, Renner K, Kreutz M, Meyer A, Jachnik B, Bogdahn U, Vollmann-Zwerenz A, Hau P. P17.39 * TURN OLD INTO NEW: METFORMIN AS ANTINEOPLASTIC AGENT IN GLIOBLASTOMA. Neuro Oncol 2014. [DOI: 10.1093/neuonc/nou174.368] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Grauer OM, Wolfer J, Hasselblatt M, Dubinski D, Bogdahn U, Stummer W, Wiendl H. O6.04 * GRANULOCYTIC MYELOID-DERIVED CELLS OBTAINED FROM BLOOD MAINLY SUPPRESS T-CELL PROLIFERATION IN PATIENTS WITH GLIOBLASTOMA. Neuro Oncol 2014. [DOI: 10.1093/neuonc/nou174.45] [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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63
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Franz S, Ciatipis M, Pfeifer K, Kierdorf B, Sandner B, Bogdahn U, Blesch A, Winner B, Weidner N. Thoracic rat spinal cord contusion injury induces remote spinal gliogenesis but not neurogenesis or gliogenesis in the brain. PLoS One 2014; 9:e102896. [PMID: 25050623 PMCID: PMC4106835 DOI: 10.1371/journal.pone.0102896] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2014] [Accepted: 06/24/2014] [Indexed: 12/16/2022] Open
Abstract
After spinal cord injury, transected axons fail to regenerate, yet significant, spontaneous functional improvement can be observed over time. Distinct central nervous system regions retain the capacity to generate new neurons and glia from an endogenous pool of progenitor cells and to compensate neural cell loss following certain lesions. The aim of the present study was to investigate whether endogenous cell replacement (neurogenesis or gliogenesis) in the brain (subventricular zone, SVZ; corpus callosum, CC; hippocampus, HC; and motor cortex, MC) or cervical spinal cord might represent a structural correlate for spontaneous locomotor recovery after a thoracic spinal cord injury. Adult Fischer 344 rats received severe contusion injuries (200 kDyn) of the mid-thoracic spinal cord using an Infinite Horizon Impactor. Uninjured rats served as controls. From 4 to 14 days post-injury, both groups received injections of bromodeoxyuridine (BrdU) to label dividing cells. Over the course of six weeks post-injury, spontaneous recovery of locomotor function occurred. Survival of newly generated cells was unaltered in the SVZ, HC, CC, and the MC. Neurogenesis, as determined by identification and quantification of doublecortin immunoreactive neuroblasts or BrdU/neuronal nuclear antigen double positive newly generated neurons, was not present in non-neurogenic regions (MC, CC, and cervical spinal cord) and unaltered in neurogenic regions (dentate gyrus and SVZ) of the brain. The lack of neuronal replacement in the brain and spinal cord after spinal cord injury precludes any relevance for spontaneous recovery of locomotor function. Gliogenesis was increased in the cervical spinal cord remote from the injury site, however, is unlikely to contribute to functional improvement.
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Schulte-Mattler W, Kobor I, Baldaranov D, Khomenko A, Johannesen S, Bruun TH, Bischoff C, Bogdahn U. LP53: Electromyographic evidence for repair of motor neurons in patients with ALS. Clin Neurophysiol 2014. [DOI: 10.1016/s1388-2457(14)50960-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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65
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Khomenko A, Kobor I, Stein F, Baldaranov D, Johannesen S, Bruun T, Bogdahn U, Schulte-Mattler W. P436: Assessing motor units with improved MUNIX. Clin Neurophysiol 2014. [DOI: 10.1016/s1388-2457(14)50541-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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66
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Marschallinger J, Krampert M, Couillard-Despres S, Heuchel R, Bogdahn U, Aigner L. Age-dependent and differential effects of Smad7ΔEx1 on neural progenitor cell proliferation and on neurogenesis. Exp Gerontol 2014; 57:149-54. [PMID: 24862634 PMCID: PMC4162458 DOI: 10.1016/j.exger.2014.05.011] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2013] [Revised: 04/09/2014] [Accepted: 05/15/2014] [Indexed: 12/26/2022]
Abstract
We recently reported that young (3 to 4 months old) mice lacking Exon 1 of the Smad7 gene (S7ΔEx1 mice) show enhanced proliferation of neural stem and progenitor cells (NPCs) in the hippocampal dentate gyrus (DG) and in the subventricular zone (SVZ) of the lateral ventricles. It remained unclear, however, whether this phenotype would persist along aging, the latter typically being associated with a profound decrease in neurogenesis. Analysis of NPCs' proliferation based on the cell cycle marker PCNA in 12 month-old S7ΔEx1 mice revealed a reversal of the phenotype. Hence, in contrast to their younger counterparts, 12 month-old S7ΔEx1 mice had a reduced number of proliferating cells, compared to wildtype (WT) mice. At the same time, the survival of newly generated cells was enhanced in the aged transgenic animals. 12 month-old S7ΔEx1 mice further displayed a reduced level of neurogenesis based on the numbers of cells expressing doublecortin (DCX), a marker for newborn neurons. The reduced neurogenesis in aged S7ΔEx1 mice was not due to a stem cell depletion, which might have occurred as a consequence of hyperproliferation in the young mice, since the number of Nestin and Sox2 positive cells was similar in WT and S7ΔEx1 mice. Instead, Nestin positive cells in the DG as well as primary neurosphere cultures derived from 12 month-old S7ΔEx1 mice had a reduced capability to proliferate. However, after passaging, when released from their age- and niche-associated proliferative block, neurospheres from aged S7ΔEx1 mice regained the hyperproliferative property. Further, pSmad2 antibody staining intensity was elevated in the DG and SVZ of 12-month old transgenic compared to WT mice, indicating increased intracellular TGF-beta signaling in the aged S7ΔEx1 mice. In summary, this points toward differential effects of S7ΔEx1 on neurogenesis: (i) a hyperproliferation in young animals caused by a cell autonomous mechanism, and (ii) a TGF-beta dependent modulation of neurogenesis in aged S7ΔEx1 animals that abrogates the cell-intrinsic hyperproliferative properties and results in reduced proliferation, increased stem cell quiescence, and enhanced survival of newly generated cells.
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Kandasamy M, Lehner B, Kraus S, Sander PR, Marschallinger J, Rivera FJ, Trümbach D, Ueberham U, Reitsamer HA, Strauss O, Bogdahn U, Couillard-Despres S, Aigner L. TGF-beta signalling in the adult neurogenic niche promotes stem cell quiescence as well as generation of new neurons. J Cell Mol Med 2014; 18:1444-59. [PMID: 24779367 PMCID: PMC4124027 DOI: 10.1111/jcmm.12298] [Citation(s) in RCA: 83] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2013] [Accepted: 03/10/2014] [Indexed: 12/16/2022] Open
Abstract
Members of the transforming growth factor (TGF)-β family govern a wide range of mechanisms in brain development and in the adult, in particular neuronal/glial differentiation and survival, but also cell cycle regulation and neural stem cell maintenance. This clearly created some discrepancies in the field with some studies favouring neuronal differentiation/survival of progenitors and others favouring cell cycle exit and neural stem cell quiescence/maintenance. Here, we provide a unifying hypothesis claiming that through its regulation of neural progenitor cell (NPC) proliferation, TGF-β signalling might be responsible for (i) maintaining stem cells in a quiescent stage, and (ii) promoting survival of newly generated neurons and their functional differentiation. Therefore, we performed a detailed histological analysis of TGF-β1 signalling in the hippocampal neural stem cell niche of a transgenic mouse that was previously generated to express TGF-β1 under a tetracycline regulatable Ca-Calmodulin kinase promoter. We also analysed NPC proliferation, quiescence, neuronal survival and differentiation in relation to elevated levels of TGF-β1 in vitro and in vivo conditions. Finally, we performed a gene expression profiling to identify the targets of TGF-β1 signalling in adult NPCs. The results demonstrate that TGF-β1 promotes stem cell quiescence on one side, but also neuronal survival on the other side. Thus, considering the elevated levels of TGF-β1 in ageing and neurodegenerative diseases, TGF-β1 signalling presents a molecular target for future interventions in such conditions.
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Altmann M, Ertl M, Helbig H, Schömig B, Bogdahn U, Gamulescu MA, Schlachetzki F. Low endogenous recanalization in embolic central retinal artery occlusion--the retrobulbar "spot sign". J Neuroimaging 2014; 25:251-256. [PMID: 24641564 DOI: 10.1111/jon.12112] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2013] [Revised: 12/30/2013] [Accepted: 01/18/2014] [Indexed: 11/27/2022] Open
Abstract
BACKGROUND AND PURPOSE Central retinal artery occlusion (CRAO) is most often indirectly diagnosed by lack of retinal perfusion. Direct embolus characterization may help to understand the natural course and low response to treatment. In a previous study we identified a hyperechoic signal within the optic nerve and in the central retinal artery ("spot sign"). METHODS In this study we performed a follow-up investigation in 7 patients with CRAO and positive spot sign indicating the embolic cause of the occlusion after a median interval of 17 months (range 11-38 months) using a battery of tests (ocular color-coded sonography, optic coherence tomography [OCT], fundoscopy, amongst others). RESULTS The spot sign persisted in all patients, none had high-grade internal carotid artery stenosis, stroke or transient ischemic attacks. Four patients were completely blind, 3 patients were able to recognize hand movements. OCT demonstrated retinal atrophy, and fundoscopy revealed only minimal arterial perfusion. CONCLUSIONS The hyperechoic spot sign may be an important predictive prognostic marker for persistent loss of vision. Its persistence may indicate calcified or cholesterol emboli and may explain the low therapeutic success rate to thrombolysis. Further studies on their origin and significance in atherosclerotic disease are warranted.
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Herzberg M, Boy S, Hölscher T, Ertl M, Zimmermann M, Ittner KP, Pemmerl J, Pels H, Bogdahn U, Schlachetzki F. Prehospital stroke diagnostics based on neurological examination and transcranial ultrasound. Crit Ultrasound J 2014; 6:3. [PMID: 24572006 PMCID: PMC3996057 DOI: 10.1186/2036-7902-6-3] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2013] [Accepted: 02/07/2014] [Indexed: 01/19/2023] Open
Abstract
BACKGROUND Transcranial color-coded sonography (TCCS) has proved to be a fast and reliable tool for the detection of middle cerebral artery (MCA) occlusions in a hospital setting. In this feasibility study on prehospital sonography, our aim was to investigate the accuracy of TCCS for neurovascular emergency diagnostics when performed in a prehospital setting using mobile ultrasound equipment as part of a neurological examination. METHODS Following a '911 stroke code' call, stroke neurologists experienced in TCCS rendezvoused with the paramedic team. In patients with suspected stroke, TCCS examination including ultrasound contrast agents was performed. Results were compared with neurovascular imaging (CTA, MRA) and the final discharge diagnosis from standard patient-centered stroke care. RESULTS We enrolled '232 stroke code' patients with follow-up data available in 102 patients with complete TCCS examination. A diagnosis of ischemic stroke was made in 73 cases; 29 patients were identified as 'stroke mimics'. MCA occlusion was diagnosed in ten patients, while internal carotid artery (ICA) occlusion/high-grade stenosis leading to reversal of anterior cerebral artery flow was diagnosed in four patients. The initial working diagnosis 'any stroke' showed a sensitivity of 94% and a specificity of 48%. 'Major MCA or ICA stroke' diagnosed by mobile ultrasound showed an overall sensitivity of 78% and specificity of 98%. CONCLUSIONS The study demonstrates the feasibility and high diagnostic accuracy of emergency transcranial ultrasound assessment combined with neurological examinations for major ischemic stroke. Future combination with telemedical support, point-of-care analysis of blood serum markers, and probability algorithms of prehospital stroke diagnosis including ultrasound may help to speed up stroke treatment.
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Grassinger J, Khomenko A, Hart C, Baldaranov D, Johannesen SW, Mueller G, Schelker R, Schulte-Mattler W, Andreesen R, Bogdahn U. Safety and feasibility of long term administration of recombinant human granulocyte-colony stimulating factor in patients with amyotrophic lateral sclerosis. Cytokine 2014; 67:21-8. [PMID: 24680478 DOI: 10.1016/j.cyto.2014.02.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2013] [Revised: 01/26/2014] [Accepted: 02/02/2014] [Indexed: 01/08/2023]
Abstract
Amyotrophic lateral sclerosis (ALS) is a rapidly progressive neuronal disease resulting in a loss of the upper and lower motor neurons and subsequent death within three to four years after diagnosis. Mouse models and preliminary human exposure data suggest that the treatment with granulocyte-colony stimulating factor (G-CSF) has neuro-protective effects and may delay ALS progression. As data on long-term administration of G-CSF in patients with normal bone marrow (BM) function are scarce, we initiated a compassionate use program including 6 ALS patients with monthly G-CSF treatment cycles. Here we demonstrate that G-CSF injection was safe and feasible throughout our observation period up to three years. Significant decrease of mobilization efficiency occurred in one patient and a loss of immature erythroid progenitors was observed in all six patients. These data imply that follow-up studies analyzing BM function during long-term G-CSF stimulation are required.
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Seliger C, Schulte-Mattler W, Bogdahn U, Uhl M. Clinical Reasoning: A 49-year-old man with fever and proximal weakness of his arms. Neurology 2014; 82:e65-9. [DOI: 10.1212/wnl.0000000000000138] [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] Open
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Hau P, Dietrich J, Fabel K, Bogdahn U. Advances in the therapy of high-grade glioma at relapse: pegylated liposomal doxorubicin. Expert Rev Neurother 2014; 2:609-15. [DOI: 10.1586/14737175.2.5.609] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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73
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Bogdahn U, Hau P. [New developments in the neuro-oncology]. Drug Res (Stuttg) 2013; 63 Suppl 1:S22. [PMID: 24242035 DOI: 10.1055/s-0033-1346717] [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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Abuhusain H, Matin A, Qiao Q, Shen H, Daniels B, Laaksonen M, Teo C, Don A, McDonald K, Jahangiri A, De Lay M, Lu K, Park C, Carbonell S, Bergers G, Aghi MK, Anand M, Tucker-Burden C, Kong J, Brat DJ, Bae E, Smith L, Muller-Greven G, Yamada R, Nakano-Okuno M, Feng X, Hambardzumyan D, Nakano I, Gladson CL, Berens M, Jung S, Kim S, Kiefer J, Eschbacher J, Dhruv H, Vuori K, Hauser C, Oshima R, Finlay D, Aza-Blanc P, Bessarabova M, Nikolsky Y, Emig D, Bergers G, Lu K, Rivera L, Chang J, Burrell K, Singh S, Hill R, Zadeh G, Li C, Chen Y, Mei X, Sai K, Chen Z, Wang J, Wu M, Marsden P, Das S, Eskilsson E, Talasila KM, Rosland GV, Leiss L, Saed HS, Brekka N, Sakariassen PO, Lund-Johansen M, Enger PO, Bjerkvig R, Miletic H, Gawrisch V, Ruttgers M, Weigell P, Kerkhoff E, Riemenschneider M, Bogdahn U, Vollmann-Zwerenz A, Hau P, Ichikawa T, Onishi M, Kurozumi K, Maruo T, Fujii K, Ishida J, Shimazu Y, Oka T, Chiocca EA, Date I, Jain R, Griffith B, Khalil K, Scarpace L, Mikkelsen T, Kalkanis S, Schultz L, Jalali S, Chung C, Burrell K, Foltz W, Zadeh G, Jiang C, Wang H, Kijima N, Hosen N, Kagawa N, Hashimoto N, Chiba Y, Kinoshita M, Sugiyama H, Yoshimine T, Klank R, Decker S, Forster C, Price M, SantaCruz K, McCarthy J, Ohlfest J, Odde D, Kurozumi K, Onishi M, Ichikawa T, Fujii K, Ishida J, Shimazu Y, Chiocca EA, Kaur B, Date I, Huang Y, Lin Q, Mao H, Wang Y, Kogiso M, Baxter P, Man C, Wang Z, Zhou Y, Li XN, Liang J, Piao Y, de Groot J, Lu K, Rivera L, Chang J, Bergers G, McDonell S, Liang J, Piao Y, Henry V, Holmes L, de Groot J, Michaelsen SR, Stockhausen MT, Hans, Poulsen S, Rosland GV, Talasila KM, Eskilsson E, Jahedi R, Azuaje F, Stieber D, Foerster S, Varughese J, Ritter C, Niclou SP, Bjerkvig R, Miletic H, Talasila KM, Soentgerath A, Euskirchen P, Rosland GV, Wang J, Huszthy PC, Prestegarden L, Skaftnesmo KO, Sakariassen PO, Eskilsson E, Stieber D, Keunen O, Nigro J, Vintermyr OK, Lund-Johansen M, Niclou SP, Mork S, Enger PO, Bjerkvig R, Miletic H, Mohan-Sobhana N, Hu B, De Jesus J, Hollingsworth B, Viapiano M, Muller-Greven G, Carlin C, Gladson C, Nakada M, Furuta T, Sabit H, Chikano Y, Hayashi Y, Sato H, Minamoto T, Hamada JI, Fack F, Espedal H, Obad N, Keunen O, Gotlieb E, Sakariassen PO, Miletic H, Niclou SP, Bjerkvig R, Bougnaud S, Golebiewska A, Stieber D, Oudin A, Brons NHC, Bjerkvig R, Niclou SP, O'Halloran P, Viel T, Schwegmann K, Wachsmuth L, Wagner S, Kopka K, Dicker P, Faber C, Jarzabek M, Hermann S, Schafers M, O'Brien D, Prehn J, Jacobs A, Byrne A, Oka T, Ichikawa T, Kurozumi K, Inoue S, Fujii K, Ishida J, Shimazu Y, Chiocca EA, Date I, Olsen LS, Stockhausen M, Poulsen HS, Plate KH, Scholz A, Henschler R, Baumgarten P, Harter P, Mittelbronn M, Dumont D, Reiss Y, Rahimpour S, Yang C, Frerich J, Zhuang Z, Renner D, Jin F, Parney I, Johnson A, Rockne R, Hawkins-Daarud A, Jacobs J, Bridge C, Mrugala M, Rockhill J, Swanson K, Schneider H, Szabo E, Seystahl K, Weller M, Takahashi Y, Ichikawa T, Maruo T, Kurozumi K, Onishi M, Ouchida M, Fuji K, Shimazu Y, Oka T, Chiocca EA, Date I, Umakoshi M, Ichikawa T, Kurozumi K, Onishi M, Fujii K, Ishida J, Shimazu Y, Oka T, Chiocca EA, Kaur B, Date I, Sim H, Gruenbacher P, Jakeman L, Viapiano M, Wang H, Jiang C, Wang H, Jiang C, Parker J, Dionne K, Canoll P, DeMasters B, Waziri A. ANGIOGENESIS AND INVASION. Neuro Oncol 2013. [DOI: 10.1093/neuonc/not172] [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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Agarwal M, Nitta R, Dovat S, Li G, Arita H, Narita Y, Fukushima S, Tateishi K, Matsushita Y, Yoshida A, Miyakita Y, Ohno M, Collins VP, Kawahara N, Shibui S, Ichimura K, Kahn SA, Gholamin S, Junier MP, Chneiweiss H, Weissman I, Mitra S, Cheshier S, Avril T, Hamlat A, Le Reste PJ, Mosser J, Quillien V, Carrato C, Munoz-Marmol A, Serrano L, Pijuan L, Hostalot C, Villa SL, Ariza A, Etxaniz O, Balana C, Benveniste ET, Zheng Y, McFarland B, Drygin D, Bellis S, Bredel M, Lotsch D, Engelmaier C, Allerstorfer S, Grusch M, Pichler J, Weis S, Hainfellner J, Marosi C, Spiegl-Kreinecker S, Berger W, Bronisz A, Nowicki MO, Wang Y, Ansari K, Chiocca EA, Godlewski J, Brown K, Kwatra M, Brown K, Kwatra M, Bui T, Nitta R, Li G, Zhu S, Kozono D, Li J, Kushwaha D, Carter B, Chen C, Schulte J, Srikanth M, Das S, Zhang J, Lathia J, Yin L, Rich J, Olson E, Kessler J, Chenn A, Cherry A, Haas B, Lin YH, Ong SE, Stella N, Cifarelli CP, Griffin RJ, Cong D, Zhu W, Shi Y, Clark P, Kuo J, Hu S, Sun D, Bookland M, Darbinian N, Dey A, Robitaille M, Remke M, Faury D, Maier C, Malhotra A, Jabado N, Taylor M, Angers S, Kenney A, Ren X, Zhou H, Schur M, Baweja A, Singh M, Erdreich-Epstein A, Fu J, Koul D, Yao J, Saito N, Zheng S, Verhaak R, Lu Z, Yung WKA, Gomez G, Volinia S, Croce C, Brennan C, Cavenee W, Furnari F, Lopez SG, Qu D, Petritsch C, Gonzalez-Huarriz M, Aldave G, Ravi D, Rubio A, Diez-Valle R, Marigil M, Jauregi P, Vera B, Rocha AADL, Tejada-Solis S, Alonso MM, Gopal U, Isaacs J, Gruber-Olipitz M, Dabral S, Ramkissoon S, Kung A, Pak E, Chung J, Theisen M, Sun Y, Monrose V, Franchetti Y, Sun Y, Shulman D, Redjal N, Tabak B, Beroukhim R, Zhao J, Buonamici S, Ligon K, Kelleher J, Segal R, Haas B, Canton D, Diaz P, Scott J, Stella N, Hara K, Kageji T, Mizobuchi Y, Kitazato K, Okazaki T, Fujihara T, Nakajima K, Mure H, Kuwayama K, Hara T, Nagahiro S, Hill L, Botfield H, Hossain-Ibrahim K, Logan A, Cruickshank G, Liu Y, Gilbert M, Kyprianou N, Rangnekar V, Horbinski C, Hu Y, Vo C, Li Z, Ke C, Ru N, Hess KR, Linskey ME, Zhou YAH, Hu F, Vinnakota K, Wolf S, Kettenmann H, Jackson PJ, Larson JD, Beckmann DA, Moriarity BS, Largaespada DA, Jalali S, Agnihotri S, Singh S, Burrell K, Croul S, Zadeh G, Kang SH, Yu MO, Song NH, Park KJ, Chi SG, Chung YG, Kim SK, Kim JW, Kim JY, Kim JE, Choi SH, Kim TM, Lee SH, Kim SK, Park SH, Kim IH, Park CK, Jung HW, Koldobskiy M, Ahmed I, Ho G, Snowman A, Raabe E, Eberhart C, Snyder S, Agnihotri S, Gugel I, Remke M, Bornemann A, Pantazis G, Mack S, Shih D, Sabha N, Taylor M, Tatagiba M, Zadeh G, Krischek B, Schulte A, Liffers K, Kathagen A, Riethdorf S, Westphal M, Lamszus K, Lee JS, Xiao J, Patel P, Schade J, Wang J, Deneen B, Erdreich-Epstein A, Song HR, Leiss L, Gjerde C, Saed H, Rahman A, Lellahi M, Enger PO, Leung R, Gil O, Lei L, Canoll P, Sun S, Lee D, Ho ASW, Pu JKS, Zhang XQ, Lee NP, Dat PJR, Leung GKK, Loetsch D, Steiner E, Holzmann K, Spiegl-Kreinecker S, Pirker C, Hlavaty J, Petznek H, Hegedus B, Garay T, Mohr T, Sommergruber W, Grusch M, Berger W, Lukiw WJ, Jones BM, Zhao Y, Bhattacharjee S, Culicchia F, Magnus N, Garnier D, Meehan B, McGraw S, Hashemi M, Lee TH, Milsom C, Gerges N, Jabado N, Trasler J, Pawlinski R, Mackman N, Rak J, Maherally Z, Thorne A, An Q, Barbu E, Fillmore H, Pilkington G, Maherally Z, Tan SL, Tan S, An Q, Fillmore H, Pilkington G, Malhotra A, Choi S, Potts C, Ford DA, Nahle Z, Kenney AM, Matlaf L, Khan S, Zider A, Singer E, Cobbs C, Soroceanu L, McFarland BC, Hong SW, Rajbhandari R, Twitty GB, Gray GK, Yu H, Benveniste EN, Nozell SE, Minata M, Kim S, Mao P, Kaushal J, Nakano I, Mizowaki T, Sasayama T, Tanaka K, Mizukawa K, Nishihara M, Nakamizo S, Tanaka H, Kohta M, Hosoda K, Kohmura E, Moeckel S, Meyer K, Leukel P, Bogdahn U, Riehmenschneider MJ, Bosserhoff AK, Spang R, Hau P, Mukasa A, Watanabe A, Ogiwara H, Saito N, Aburatani H, Mukherjee J, Obha S, See W, Pieper R, Nakajima K, Hara K, Kageji T, Mizobuchi Y, Kitazato K, Fujihara T, Otsuka R, Kung D, Nagahiro S, Rajbhandari R, Sinha T, Meares G, Benveniste EN, Nozell S, Ott M, Litzenburger U, Rauschenbach K, Bunse L, Pusch S, Ochs K, Sahm F, Opitz C, von Deimling A, Wick W, Platten M, Peruzzi P, Chiocca EA, Godlewski J, Read R, Fenton T, Gomez G, Wykosky J, Vandenberg S, Babic I, Iwanami A, Yang H, Cavenee W, Mischel P, Furnari F, Thomas J, Ronellenfitsch MW, Thiepold AL, Harter PN, Mittelbronn M, Steinbach JP, Rybakova Y, Kalen A, Sarsour E, Goswami P, Silber J, Harinath G, Aldaz B, Fabius AWM, Turcan S, Chan TA, Huse JT, Sonabend AM, Bansal M, Guarnieri P, Lei L, Soderquist C, Leung R, Yun J, Kennedy B, Sisti J, Bruce S, Bruce R, Shakya R, Ludwig T, Rosenfeld S, Sims PA, Bruce JN, Califano A, Canoll P, Stockhausen MT, Kristoffersen K, Olsen LS, Poulsen HS, Stringer B, Day B, Barry G, Piper M, Jamieson P, Ensbey K, Bruce Z, Richards L, Boyd A, Sufit A, Burleson T, Le JP, Keating AK, Sundstrom T, Varughese JK, Harter P, Prestegarden L, Petersen K, Azuaje F, Tepper C, Ingham E, Even L, Johnson S, Skaftnesmo KO, Lund-Johansen M, Bjerkvig R, Ferrara K, Thorsen F, Takeshima H, Yamashita S, Yokogami K, Mizuguchi S, Nakamura H, Kuratsu J, Fukushima T, Morishita K, Tanaka H, Sasayama T, Tanaka K, Nakamizo S, Mizukawa K, Kohmura E, Tang Y, Vaka D, Chen S, Ponnuswami A, Cho YJ, Monje M, Tateishi K, Narita Y, Nakamura T, Cahill D, Kawahara N, Ichimura K, Tiemann K, Hedman H, Niclou SP, Timmer M, Tjiong R, Rohn G, Goldbrunner R, Timmer M, Tjiong R, Stavrinou P, Rohn G, Perrech M, Goldbrunner R, Tokita M, Mikheev S, Sellers D, Mikheev A, Kosai Y, Rostomily R, Tritschler I, Seystahl K, Schroeder JJ, Weller M, Wade A, Robinson AE, Phillips JJ, Gong Y, Ma Y, Cheng Z, Thompson R, Wang J, Fan QW, Cheng C, Gustafson W, Charron E, Zipper P, Wong R, Chen J, Lau J, Knobbe-Thosen C, Weller M, Jura N, Reifenberger G, Shokat K, Weiss W, Wu S, Fu J, Zheng S, Koul D, Yung WKA, Wykosky J, Hu J, Taylor T, Villa GR, Gomez G, Mischel PS, Gonias SL, Cavenee W, Furnari F, Yamashita D, Kondo T, Takahashi H, Inoue A, Kohno S, Harada H, Ohue S, Ohnishi T, Li P, Ng J, Yuelling L, Du F, Curran T, Yang ZJ, Zhu D, Castellino RC, Van Meir EG, Zhu W, Begum G, Wang Q, Clark P, Yang SS, Lin SH, Kahle K, Kuo J, Sun D. CELL BIOLOGY AND SIGNALING. Neuro Oncol 2013. [DOI: 10.1093/neuonc/not174] [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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Reinert C, Kremmler L, Burock S, Bogdahn U, Wick W, Gleiter CH, Koller M, Hau P. Quantitative and qualitative analysis of study-related patient information sheets in randomised neuro-oncology phase III-trials. Eur J Cancer 2013; 50:150-8. [PMID: 24103146 DOI: 10.1016/j.ejca.2013.09.006] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2013] [Revised: 08/07/2013] [Accepted: 09/08/2013] [Indexed: 11/13/2022]
Abstract
INTRODUCTION In randomised controlled trials (RCTs), patient informed consent documents are an essential cornerstone of the study flow. However, these documents are often oversized in format and content. Clinical experience suggests that study information sheets are often not used as an aid to decision-making due to their complexity. MATERIAL AND METHODS We analysed nine patient informed consent documents from clinical neuro-oncological phase III-studies running at a German Brain Tumour Centre with the objective to investigate the quality of these documents. Text length, formal layout, readability, application of ethical and legal requirements, scientific evidence and social aspects were used as rating categories. Results were assessed quantitatively by two independents investigators and were depicted using net diagrams. RESULTS All patient informed consent documents were of insufficient quality in all categories except that ethical and legal requirements were fulfilled. Notably, graduate levels were required to read and understand five of nine consent documents. DISCUSSION Quality deficits were consistent between the individual study information texts. Irrespective of formal aspects, a document that is intended to inform and motivate patients to participate in a study needs to be well-structured and understandable. We therefore strongly mandate to re-design patient informed consent documents in a patient-friendly way. Specifically, standardised components with a scientific foundation should be provided that could be retrieved at various times, adapted to the mode of treatment and the patient's knowledge, and could weigh information dependent of the stage of treatment decision.
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Khomenko A, Baldaranov D, Grassinger J, Johannesen S, Kobor I, Roesl J, Kollewe K, Petri S, Dengler R, Deppe M, Ludolph A, Kassubek J, Schuierer G, Bruun T, Schulte-Mattler W, Bogdahn U. “Reporting biomarker” development: Update in als patients treated with G-CSF -mobilized hematopoietic stem cells. J Neurol Sci 2013. [DOI: 10.1016/j.jns.2013.07.1570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Kobor I, Stein F, Khomenko A, Baldaranov D, Johannesen S, Bruun TH, Bogdahn U, Schulte-Mattler W. Assessing motor units with an improved MUNIX. J Neurol Sci 2013. [DOI: 10.1016/j.jns.2013.07.1618] [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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Bogdahn U, Schlachetzki F, Schuierer G. Letter by Schlachetzki et al Regarding Article, “Endovascular Stroke Therapy: Tirofiban Is Associated With Risk of Fatal Intracerebral Hemorrhage and Poor Outcome”. Stroke 2013; 44:e112. [DOI: 10.1161/strokeaha.113.002340] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Kraus S, Lehner B, Reichhart N, Couillard-Despres S, Wagner K, Bogdahn U, Aigner L, Strauß O. Transforming growth factor-β1 primes proliferating adult neural progenitor cells to electrophysiological functionality. Glia 2013; 61:1767-83. [DOI: 10.1002/glia.22551] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2013] [Revised: 06/19/2013] [Accepted: 06/27/2013] [Indexed: 12/13/2022]
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Ramm Sander P, Hau P, Koch S, Schütze K, Bogdahn U, Kalbitzer HR, Aigner L. Stem cell metabolic and spectroscopic profiling. Trends Biotechnol 2013; 31:204-13. [PMID: 23384506 DOI: 10.1016/j.tibtech.2013.01.008] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2012] [Revised: 12/21/2012] [Accepted: 01/09/2013] [Indexed: 12/14/2022]
Abstract
Stem cells offer great potential for regenerative medicine because they regenerate damaged tissue by cell replacement and/or by stimulating endogenous repair mechanisms. Although stem cells are defined by their functional properties, such as the potential to proliferate, to self-renew, and to differentiate into specific cell types, their identification based on the expression of specific markers remains vague. Here, profiles of stem cell metabolism might highlight stem cell function more than the expression of single genes/markers. Thus, systematic approaches including spectroscopy might yield insight into stem cell function, identity, and stemness. We review the findings gained by means of metabolic and spectroscopic profiling methodologies, for example, nuclear magnetic resonance spectroscopy (NMRS), mass spectrometry (MS), and Raman spectroscopy (RS), with a focus on neural stem cells and neurogenesis.
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Ertl M, Altmann M, Torka E, Helbig H, Bogdahn U, Gamulescu A, Schlachetzki F. The retrobulbar "spot sign" as a discriminator between vasculitic and thrombo-embolic affections of the retinal blood supply. ULTRASCHALL IN DER MEDIZIN (STUTTGART, GERMANY : 1980) 2012; 33:E263-E267. [PMID: 23023446 DOI: 10.1055/s-0032-1312925] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
PURPOSE Sudden retinal blindness is a common complication of temporal arteritis (TA). Another common cause is embolic occlusion of the central retinal artery (CRA). The aim of this prospective study was to examine the diagnostic value of hyperechoic material in the CRA for the exclusion of vasculitis as a cause. The authors used orbital color-coded sonography (OCCS) for the detection of hyperechoic material. MATERIALS AND METHODS 24 patients with sudden vision loss were included in the study after the exclusion of other causes (e. g. vitreous bleeding, retinal detachment). Parallel to routine diagnostic workup, OCCS was performed in all patients. RESULTS 7 patients with a diagnosis of TA presented with different degrees of hypoperfusion in the CRA without hyperechoic material (referred to as "spot sign") detected by OCCS. Diagnostic workup in the remaining 17 patients revealed other causes of sudden vision loss, such as central retinal artery occlusion (CRAO) (12), anterior ischemic optic neuropathy (AION) (2), upstream vascular stenosis or occlusion (2) and delayed reperfusion of the CRA (1). The hyperechoic "spot sign" was visible in 10 of 12 patients (83 %) with embolic CRAO. The detection of embolic CRAO using the "spot sign" had a sensitivity of 83 % and a specificity of 100 %. The missing "spot sign" in patients with TA was a highly specific finding (p-value 0.01). CONCLUSION The detection of the "spot sign" specifically minimizes the probability of TA as a reason for sudden blindness.
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Park CK, Kim YH, Kim JW, Kim TM, Choi SH, Kim YJ, Choi BS, Lee SH, Kim CY, Kim IH, Lee DZ, Kheder A, Forbes M, Craven I, Hadjivassiliou M, Shonka NA, Kessinger A, Aizenberg MR, Weller M, Meisner C, Platten M, Simon M, Nikkhah G, Papsdorf K, Sabel M, Braun C, Reifenberger G, Wick W, Alexandru D, Haghighi B, Muhonen MG, Chamberlain MC, Sumrall AL, Burri S, Brick W, Asher A, Murillo-Medina K, Guerrero-Maldonado A, Ramiro AJ, Cervantes-Sanchez G, Erazo-Valle-Solis AA, Garcia-Navarro V, Sperduto PW, Shanley R, Luo X, Kased N, Sneed PK, Roberge D, Chao S, Weil R, Suh J, Bhatt A, Jensen A, Brown PD, Shih H, Kirkpatrick J, Gaspar LE, Fiveash J, Chiang V, Knisely J, Sperduto CM, Lin N, Mehta MP, Anderson MD, Raghunathan A, Aldape KD, Fuller GN, Gilbert MR, Robins HI, Wang M, Gilbert MR, Chakravarti A, Grimm S, Penas-Prado M, Chaudhary R, Anderson PJ, Elinzano H, Gilbert RA, Mehta M, Aoki T, Ueba T, Arakawa Y, Miyatake SI, Tsukahara T, Miyamoto S, Nozaki K, Taki W, Matsutani M, Shakur SF, Bit-Ivan E, Watkin WG, Farhat HI, Merrell RT, Zwinkels H, Dorr J, Kloet A, Taphoorn MJ, Vecht CJ, Bogdahn U, Stockhammer G, Mahapatra A, Hau P, Schuknecht B, van den Bent M, Heinrichs H, Yust-Katz S, Liu V, Sanghee K, Groves M, Puduvalli V, Levin V, Conrad C, Colman H, Hsu S, Yung AW, Gilbert MR, Kunz M, Armbruster L, Thon N, Jansen N, Lutz J, Herms J, Egensperger R, Eigenbrod S, Kretzschmar H, La CF, Tonn JC, Kreth FW, Brandes AA, Franceschi E, Agati R, Poggi R, Dall'Occa P, Bartolotti M, Di Battista M, Marucci G, Girardi F, Ermani M, Sherman W, Raizer J, Grimm S, Ruckser R, Tatzreiter G, Pfisterer W, Oberhauser G, Honigschnabel S, Aboul-Enein F, Ausch C, Kitzweger E, Hruby W, Sebesta C, Green RM, Woyshner EA, Suchorska B, Jansen NL, Janssen H, Kretzschmar H, Simon M, Hentschel B, Poepperl G, Kreth FW, Linn J, LaFougere C, Weller M, Tonn JC, Suchorska B, Jansen NL, Graute V, Eigenbrod S, Bartenstein P, Kreth FW, LaFougere C, Tonn JC, Hassanzadeh B, Tohidi V, Levacic D, Landolfi JC, Singer S, DeBraganca K, Omuro A, Grommes C, Omar AI, Jalan P, Pandav V, Bekker S, Fuente MIDL, Kaley T, Zhao S, Chen X, Soffietti R, Magistrello M, Bertero L, Bosa C, Crasto SG, Garbossa D, Lolli I, Trevisan E, Ruda R, Ruda R, Bertero L, Bosa C, Trevisan E, Pace A, Carapella C, Dealis C, Caroli M, Faedi M, Bomprezzi C, Thomas AA, Dalmau J, Gresa-Arribas N, Fadul CE, Kumthekar PU, Raizer J, Grimm S, Herrada J, Antony N, Richards M, Gupta A, Landeros M, Arango C, Campos-Gines AF, Friedman P, Wilson H, Streeter JC, Cohen A, Gilreath J, Sageser D, Ye X, Bell SD, McGregor J, Bourekas E, Cavaliere R, Newton H, Sul J, Odia Y, Zhang W, Shih J, Butman JA, Hammoud D, Kreisl TN, Iwamoto F, Fine HA, Berriel LG, Santos FN, Levy AC, Fanelli MF, Chinen LT, da Costa AA, Bourekas E, Wayne Slone H, Bell SD, McGregor J, Bokstein F, Blumenthal DT, Shpigel S, Phishniak L, Yust-Katz S, Garciarena P, Liue D, Yuan Y, Groves MD, Wong ET, Villano JL, Engelhard HH, Ram Z, Sahebjam S, Millar BA, Sahgal A, Laperriere N, Mason W, Levin VA, Hess KR, Choucair AK, Flynn PJ, Jaeckle KA, Kyritsis AP, Yung WKA, Prados MD, Bruner JM, Ictech S, Nghiemphu PL, Lai A, Green RM, Cloughesy TF, Zaky W, Gilles F, Grimm J, Bluml S, Dhall G, Rosser T, Randolph L, Wong K, Olch A, Krieger M, Finlay J, Capellades J, Verger E, Medrano S, Gonzalez S, Gil M, Reynes G, Ribalta T, Gallego O, Segura PP, Balana C, Gwak HS, Joo J, Kim S, Yoo H, Shin SH, Han JY, Kim HT, Yun T, Lee JS, Lee SH, Kim W, Vogelbaum MA, Wang M, Peereboom DM, Macdonald DR, Giannini C, Suh JH, Jenkins RB, Laack NN, Brackman DG, Shrieve DC, Souhami L, Mehta MP, Leibetseder A, Wohrer A, Ackerl M, Flechl B, Sax C, Spiegl-Kreinecker S, Pichler J, Widhalm G, Dieckmann K, Preusser M, Marosi C, Sebastian C, Alejandro M, Bernadette C, Naomi A, Kavan P, Sahebjam S, Garoufalis E, Guiot MC, Muanza T, Del Maestro R, Petrecca K, Sharma R, Curry R, Joyce J, Rosenblum M, Jaffe E, Matasar M, Lin O, Fisher R, Omuro A, Yin C, Iwamoto FM, Fraum TJ, Nayak L, 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CLIN-NEURO/MEDICAL ONCOLOGY. Neuro Oncol 2012. [DOI: 10.1093/neuonc/nos229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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R, Simo M, Santos C, Gil M, Platten M, Salazar R, Galan M, Palmero R, Ale A, Bruna J, Lee DZJ, Kheder A, Forbes M, Craven I, Hadjivassiliou M, Wick W, Yevtushenko S, Goncharova Y, Filimonov D, Symonian V, Viaccoz A, Karantoni E, Ducray F, Picard G, Cavillon G, Rogemond V, McDonald KL, Antoine J, Delattre J, Honnorat J, Koekkoek JAF, Sizoo EM, Postma TJ, Heimans JJ, Pasman RW, Deliens L, Taphoorn MJB, Rapkins R, Reijneveld JC, Muller C, Claudel G, Garat E, Beauchesne P, Hassani K, Labrude M, Taillandier L, Logan J, Hurwitz V, Zhau L, Bhangoo R, Ashkan K, Brazil L, Beaney R, Thier K, Calabek B, Tinchon A, Grisold W, Oberndorfer S, Kallio M, Hitchins M, Kaipio M, Baraniskin A, Kuhnhenn J, Schlegel U, Schmiegel W, hahn S, Schroers R, Mrugala MM, Crew LK, Mishima K, Agnihotri S, Suzuki T, Adachi J, Koga T, Fukuoka K, Yanagisawa T, Fujimaki T, Nishikawa R, Gonzalez-Aguilar A, Boisselier B, Polivka M, Gajadhar A, Jouvet A, Adam C, Figarella-Branger D, Miquel C, Vital A, Mokhtari K, Hoang-Xuan K, Sommer B, Grummich P, Hamer HM, Gorlia T, Blumcke I, Coras R, Buchfelder M, Roessler K, Rozumenko VD, Rozumenko AV, Brell M, Roldan P, Gonzalez E, Ibanez J, Margison G, Ibanez J, Brell M, Tomas M, Roldan P, Guibelalde M, Tavera A, Salinas J, Van Geemen K, Klein M, Zwinderman AH, Aldape K, Hillebrand A, Stam CJ, Vandertop WP, De Witt Hamer PC, Senft C, Gessler F, Mittelbronn M, Dutzmann S, Franz K, Hattingen E, Hawkins C, Seifert V, Ngoga DG, Tennant D, Williams A, Cruickshank G, Carrabba G, Bertani G, Cogiamanian F, Ardolino G, Zarino B, Hegi M, Conte V, Caroli M, Gaini SM, Oppido P, Carapella C, Pompili A, Vidiri A, Pace A, Shinoda J, Miwa K, Guha A, Yonezawa S, Aki T, Asano Y, Ito T, Yokoyama K, Yamada M, Yamada J, Ceberg C, Jonsson B, Prezado Y, Simo M, Nittby H, Grafstrom G, Stromblad S, Elleaume H, Baldetorp B, Salford LG, Strand S, Hundsberger T, Brugge D, Weder P, Macia M, Weber J, Plasswilm L, Lopci E, Clerici E, Catalano M, Rodari M, Morenghi E, Mancosu P, Navarria P, Scorsetti M, Plans G, Chiti A, Fernandez M, Setua S, Watts C, Welland M, Martinez Moreno NE, Kusak ME, Gutierrez Sarraga J, Rey Portoles G, Martinez Alvarez R, Majos C, Narayan RS, Renwarin L, van den Berg J, Franken NAP, Stalpers LJA, Baumert BG, Sminia P, Mucha-Malecka A, Sladowska A, Malecki K, Gil M, Glinski B, Kisielewicz K, Torabi Nami M, Hejazi Farahmand S, Mohammadzadeh F, Shao C, Wu M, Xia Y, Chen F, Chen Z, Izquierdo C, Miyatake S, Yoritsune E, Furuse M, Miyata T, Nonoguchi N, Kawabata S, Kuroiwa T, Kuwabara H, Masunaga S, Ono K, Velasco R, Ros T, Horvat Sprah M, Popovic M, Jezersek Novakovic B, Kerrigan SJ, Erridge S, Whittle I, Grant R, Verissimo CS, Molenaar JJ, Bruna J, Meerman J, Puigvert JC, Pont C, Danen EHJ, van de Water B, Versteeg R, Fitzsimons CP, Vreugdenhil E, Marques J, Costa I, Yanagisawa T, Passos J, Azevedo A, Salgado D, Teixeira G, Ferreira I, Guimaraes A, Miranda N, Abecasis M, Bosa C, Magistrello M, Suzuki K, Trevisan E, Morra I, Fiano V, Dealis C, Ruda R, Soffietti R, Mackinnon M, Williamson A, Lamb C, Chalmers A, Fukuoka K, Clark B, James A, Fernandez M, Blanchette M, Tremblay L, Lepage M, Fortin D, Matos Nunes B, Bujor L, Vasconcelos A, Kohga T, Amado A, Monteiro Grillo I, Muggeri AD, Calabrese B, Cerrato S, Cervio A, Diez B, Moser W, Tinchon A, Calabek B, Adachi J, Hitzenberger P, Grisold W, Oberndorfer S, Kusak ME, De Campos JM, Martinez Moreno NE, Gutierrez Sarraga J, Rey Portoles G, Martinez Alvarez R, Kubben PL, MIshima K, De Campos JM, Vinas D, Kusak ME, Lo Presti A, Montoya J, Matsutani M, Fujimaki T, Nisikawa R, Kuhnhenn J, Pels H, Reiser M, Deckert M, Egerer G, Vogt-Schaden M, Schackert G, Kroschinsky F, Schmidt-Wolf IGH, Schlegel U, Schiff D, Taylor JW, Flanagan E, O'Neill BP, Siegal T, Omuro A, Baehring J, Gonzalez-Aguilar A, Chamberlain M, Nishikawa R, Zach L, Guez D, Grober Y, Last D, Daniels D, Hoffman C, Nissim O, Spiegelmann R, Cohen ZR, Mardor Y, Radbruch A, Kramp L, Wiestler B, Heiland S, Wick W, Bendszus M, Colavolpe C, Chinot O, Metellus P, Mancini J, Barrie M, Bequet-Boucard C, Tabouret E, Mundler O, Figarella-Branger D, Guedj E, Berghoff AS, Lassmann H, Hoftberger R, Preusser M, Mercurio-Smit S, Padovani L, Colin C, Andre N, Fernandez C, Figarella-Branger D, Ruda R, Bertero L, Trevisan E, Pace A, Carapella C, Dealis C, Caroli M, Faedi M, Bomprezzi C, Soffietti R, Kunz M, Armbruster L, Thon N, Jansen N, Egensperger R, Eigenbrod S, Lutz J, Fougere la C, Tonn J, Kreth F, Berntsson S, Savitcheva I, Larsson E, Smits A, van den Bent MJ, Brandes AA, Taphoorn MJB, Kros JM, Kouwenhoven M, Delattre JY, Bernsen HJJA, Frenay M, Tijssen CC, Grisold W, Sipos L, Enting RH, French PJ, Dinjens WNM, Vecht CJ, Allgeier A, Lacombe D, Gorlia T, Hoang Xuan K, Weller M, Meisner C, Platten M, Simon M, Nikkhah G, Papsdorf K, Sabel M, Braun C, Reifenberger G, Wick W, Kerrigan SJ, Graham C, Stenning S, Thompson LC, Rooney A, Brada M, Grant R, Beauchesne PD, Faure G, Noel G, Schmitt T, Martin L, Jadaud E, Balvers R, Kloezeman JK, Kleijn A, Kremer A, French PJ, Dirven CMF, Leenstra S, Lamfers MLM, Bougnaud S, Golebiewska A, Oudin A, Brons NHC, Bjerkvig R, Niclou SP, Smith SJ, Ward JH, Wilson M, Rahman C, Rose F, Peet A, Macarthur DC, Grundy RG, Rahman R, Cuppini L, Calleri A, Bruzzone M, Prodi E, Anghileri E, Pellegatta S, Mancuso P, Bertolini F, Finocchiaro G, Eoli M, Lang FF, Shinojima N, Gumin J, Takezaki T, Hossain A, Sevim H, Chung L, Wheeler HT, Baxter RC, McDonald KL, Alentorn A, Marie Y, Boisselier B, Carpentier C, Mokhtari K, Capelle L, Hoang-Xuan K, Sanson M, Delattre J, Idbaih A, Lathia J, Li M, Sathyan P, Hale J, Zinn P, Gallagher J, Wu Q, Carson C, Naik U, Hjelmeland A, Majumder S, Rich J, Sturm D, Witt H, Hovestadt V, Khuong-Quang D, Jones DTW, Korshunov A, Tonjes M, Plass C, Jabado N, Pfister SM, Johansson M, Oudin A, Tiemann K, Bernard A, Keunen O, Fack F, Golebiewska A, Stieber D, Wang B, Hedman H, Niclou SP, Alexiou GA, Vartholomatos G, Karamoutsios A, Voulgaris S, Cho W, Patil S, Burzynski S, Mrowczynski E, Grela K, Moeckel S, Meyer K, Bosserhoff A, Spang R, Leukel P, Proescholdt M, Bogdahn U, Vollmann A, Hau P, Nakabayashi H, Shimizu K, Schroeteler J, Reeker R, Suero E, Stummer W, Ewelt C, Campos B, Gal Z, Baader A, Schneider T, Bageritz J, Schmoch T, Mogler C, Goidts V, Unterberg A, Herold-Mende CC, Hagemann C, Kessler AF, Fett S, Hofmann L, Monoranu CM, Al-Jomah N, Polat B, Patel R, Ernestus RI, Vince GH, Busek P, Balaziova E, Hilser M, Vomelova I, Fejfarova E, Sromova L, Sedo A, Kessler AF, Hagemann C, Hofmann L, Patel R, Linsenmann T, Ernestus RI, Vince GH, Sooman L, Ekman S, Bergqvist M, Gullbo J, Bergstrom S, Johansson M, Wu X, Blomquist E, Lennartsson J, Shimazu Y, Levallet G, Planchard G, Duguet AE, Emery E, Guillamo J, Geffrelot J, Zalcman G, Lechapt-Zalcman E, Sjostrom S, Ghasimi S, Broholm H, Brannstrom T, Johansen C, Collatz-Laier H, Henriksson R, Andersson U, Melin B, Kuratsu J, Nakamura H, Makino K, ducray F, meyronet D, Cartalat-Carel S, Guyotat J, Jouanneau E, Frappaz D, d'Hombres A, Sunyach M, Bauchet L, Honnorat J, Jaramillo E, Vargas C, Tze-Chun T, Huang S, Liu J, Hamdan A, Mitchell P, Flechl B, Ackerl M, Sax C, Oberndorfer S, Calabek B, Sizoo E, Reijenfeld J, Crevenna R, Preusser M, Marosi C, Rozumenko V, Khoroshun A, Rozumenko A, Fischbach P, Haquet A, Dutilleux A, Bracke J, Al Bassir M, Denoel C, Pace A, Villani V, Grattarola C, Di Napoli L, Maschio M, Benincasa D, Zucchella C, Burdukova YA, Vlasova EY, Gniteeva LN, Alekseeva OS, Voronin NA, Andreeva EV, Gorbatykh SV, Pavlova EV, Popov VE, Stroganova TA, Satoer DD, Kloet A, Vincent AJPE, Dirven CMF, Visch-Brink EG, Ungureanu G, Alexandra C, Ioana I, Paul M, Rares M, Oana M, Ioan Stefan F, Abdel Karim K, Abdel Wahab MM, Ezz LR, Abdel Raouf S, Shevtsov MA, Pozdnyakov AV, Kim AV, Samochernych KA, Guzhova IV, Romanova IV, Khachatryan WA, Margulis BA, Kleijn A, Kloezeman JJ, Treffers-Westerlaken EJ, Leenstra S, Dirven CMF, Debets R, Lamfers MML, Chirasani SR, Leukel P, Gronwald W, Gottfried E, Stadler K, Bogdahn U, Hau P, Kreutz M, Grauer OM, Persson BR, Engstrom P, Grafstrom G, Baureus Koch C, Widegren B, Salford LG, Gramatzki D, Peipp M, Staudinger M, Weller M, Hill LJ, Hossain-Ibrahim K, Logan A, Cruickshank GS, Pellegatta S, Eoli M, Antozzi C, Frigerio S, Cantini G, Bruzzone M, Anghileri E, Pollo B, Parati E, Finocchiaro G, Stragliotto G, Holm S, Adamson L, Giraud G, Hansson M, Henter J, Martinez-Garcia M, Villalonga R, Martinez-Soler F, Gimenez-Bonafe P, Acebes JJ, Casanovas O, Gil M, Tortosa A, Vinals F, Sander P, Leukel P, Vollmann-Zwerenz A, Jachnik B, Dobner C, Bogdahn U, Kalbitzer H, Hau P, Weissenberger J, Mutlu A, Hensel S, Senft C, Seifert V, Kogel D, Hossain-Ibrahim K, Hill LJ, Logan A, Cruickshank GS, Jung S, Wen M, Pei J, Jang W, Jung T, Kim I, Ishida J, Ichikawa T, Kurozumi K, Inoue S, Maruo T, Onishi M, Fujii K, Shimazu Y, Chiocca A, Date I, Fujii K, Kurozumi K, Ichikawa T, Onishi M, Shimazu Y, Ishida J, Chiocca E, Kaur B, Date I, Kang S, Sin G, Shim J, Lee S, Huh Y, Kim E, Chang J, Kim S, Hong Y, Kim D, Lefranc F, Verschuere T, De Witte O, Van Gool S, Kiss R, DeVleeschouwer S, Ewelt C, Ardon H, Suero E, Gunes D, Wolfer J, Fischer B, Stummer W, Thorsteinsdottir J, Fu P, Gehrmann M, Multhoff G, Tonn JC, Schichor C, Jachtenberg J, Bakker Schut T, Puppels G, French P, Kros M, Lamfers M, Leenstra S, Costello PC, McDonald W, MacDonald D, Zlatescu M, Megyesi J, Rossetto M, Gallego Perez-Larraya J, Boisselier B, Ciccarino P, Labussiere M, Marie Y, Delattre J, SANSON M, Ilhan-Mutlu A, Wohrer A, Berghoff AS, Widhalm G, Marosi C, Wagner L, Preusser M, Di Stefano A, Gallego Perez-Larraya J, Ducray F, Boisselier B, Labussiere M, Paris S, Cheneau C, Delattre J, Sanson M, Lonnqvist F, Gaillard PJ, Gladdines W, Boogerd W, van Tellingen O, Milojkovic Kerklaan B, Schellens JHM, Brandsma D, Denicolai E, Baeza-Kallee N, Tchoghandjian A, Beclin C, Figarella-Branger D, Rahman CV, Smith SJ, Morgan PS, Langmack KA, Macarthur DC, Rose FR, Shakesheff KM, Grundy RG, Rahman R, Nowosielski M, DiFranco MD, Putzer D, Seiz M, Jacobs AH, Stockhammer G, Hutterer M, Okada M, Shishido H, Hatakeyama T, Shinomiya A, Miyake K, Kawai N, Tamiya T, Miyake K, Shinomiya A, Okada M, Hatakeyama T, Kawai N, Tamiya T, Alexiou GA, Tsiouris S, Papadopoulos A, Al-Bokharhli J, Kyritsis AP, Voulgaris S, Fotopoulos AD, Roelcke U, Boxheimer L, Fathi AR, Schwyzer L, Ortega M, Berberat J, Grobholz R, Remonda L, Oikawa M, Sato K, Ito T, Sugio H, Ozaki Y, Nakamura H, Schwyzer L, Berberat J, Boxheimer L, Remonda L, Roelcke U, Kozic D, Njagulj V, Gacesa JP, Prvulovic N, Semnic R, Basmaci M, Hasturk AE, Hasturk AE, Basmaci M, Bahr O, Weise L, Harter PN, Weiss C, Starzetz T, Steinbach JP, Mittelbronn M, Hattingen E, Price SJ, Young AMH, Thomas OM, Mohsen LA, Frary AJ, Lupson VC, McLean MA, Weiss C, Neuschmelting V, Eisenbeis A, Nettekoven C, Grefkes C, Goldbrunner R, Weiss C, Neuschmelting V, Eisenbeis A, Nettekoven C, Grefkes C, Goldbrunner R, Weiss C, Neuschmelting V, Eisenbeis A, Nettekoven C, Rehme A, Grefkes C, Goldbrunner R, Grech-Sollars M, Saunders DE, Phipps KP, Clayden JD, Clark CA, Schwyzer L, Berberat J, Boxheimer L, Remonda L, Roelcke U, Booth TC, Larkin T, Yuan Y, Kettunen M, Markowetz F, Scoffings D, Jefferies S, Brindle KM, Pica A, Hauf M, Slotboom J, Beck J, Schucht P, Aebersold DM, Wiest R, Pace A, Marzi S, Fabi A, Carapella CM, Giovinazzo G, Marucci L, Anelli V, Vidiri A, Riva M, Castellano A, Raneri F, Pessina F, Fava E, Falini A, Bello L, Gahramanov S, Muldoon LL, Varallyay CG, Li X, Kraemer DF, Fu R, Hamilton BE, Rooney WD, Neuwelt EA, Hawkins-Daarud A, Rockne R, Muzi M, Patridge S, Kinahan P, Swanson KR, Radbruch A, Fladt J, Wiestler B, Baumer P, Heiland S, Wick W, Bendszus M, Lwin M, Al-Salihi O, Sharpe G, Izmailov TR, Panshin GA, Datsenko PV, Kavsan VM, Balynska EV, Chernolovskaya EL, Zenkova MA, Buhl RM, Janz C, Gomez Gallego J, Albanna W, Rashidi A, Schmiegelow P, Buhl RM, Alexiou GA, Vartholomatos G, Karamoutsios A, Voulgaris S, Shen D, Wang J, Qiu Z, Chen F, Chen Z, Miwa K, Shinoda J, Ito T, Yokoyama K, Yamada M, Yamada J, Yano H, Iwama T, Brokinkel B, Schober O, Heindel W, Hargus G, Paulus W, Stummer W, Woelfer J, Aoki T, Arakawa Y, Ueba T, Miyatake S, Nozaki K, Taki W, Tsukahara T, Miyamoto S, Matsutani M, Satou K, Ito T, Takanashi M, Oikawa M, Ozaki Y, Sugio H, Nakamura H. Abstracts of the 10th Congress of the European Association of NeuroOncology. Marseille, France. September 6-9, 2012. Neuro Oncol 2012; 14 Suppl 3:iii1-109. [PMID: 22977921 DOI: 10.1093/neuonc/nos183] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Hau P, Jachimczak P, Schlaier J, Bogdahn U. TGF-β2 signaling in high-grade gliomas. Curr Pharm Biotechnol 2012; 12:2150-7. [PMID: 21619538 DOI: 10.2174/138920111798808347] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2010] [Revised: 01/11/2011] [Accepted: 01/22/2011] [Indexed: 11/22/2022]
Abstract
High-grade gliomas are the most common primary tumors in the central nervous system (CNS) in adults. Despite efforts to improve treatment by combination therapies (neurosurgery, radio- and chemotherapy), high-grade glioma patients still have a grim prognosis, indicating an urgent need for new therapeutic approaches. The molecular processes of gliomagenesis are being unraveled, and novel targeted therapeutic strategies to defy high-grade gliomas are emerging. Transforming growth factor-beta (TGF-β), in particular the TGF-β2 isoform, has been identified as a key factor in the progression of malignant gliomas. TGF-β2, originally described as "glioblastoma-derived T-cell suppressor factor", is associated with the immuno-suppressed status of patients with glioblastoma, and is therefore responsible for loss of tumor immune surveillance. Elevated TGF-β2 levels in tumors and in the plasma of patients have been associated with advanced disease stage and poor prognosis. Consequently, a targeted strategy to modulate TGF-β2 signaling is highly promising. The antisense oligonucleotide trabedersen (AP 12009) that specifically blocks TGF-β2 mRNA will be the main focus of this review. In three phase I/II studies and a randomized, active-controlled dose-finding phase IIb study, trabedersen treatment of high-grade glioma patients with recurrent or refractory tumor disease led to long-lasting tumor responses and so far promising survival data. On the basis of these data the currently ongoing phase III study SAPHIRRE was initiated.
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Chirasani SR, Leukel P, Gottfried E, Hochrein J, Stadler K, Neumann B, Oefner PJ, Gronwald W, Bogdahn U, Hau P, Kreutz M, Grauer OM. Diclofenac inhibits lactate formation and efficiently counteracts local immune suppression in a murine glioma model. Int J Cancer 2012; 132:843-53. [PMID: 22752934 DOI: 10.1002/ijc.27712] [Citation(s) in RCA: 67] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2011] [Accepted: 06/14/2012] [Indexed: 01/29/2023]
Abstract
Lactate formation in highly proliferative tumors such as malignant gliomas is associated with poor survival and contributes to the suppression of local immunity. Here, we report that diclofenac used at nontoxic concentrations significantly decreased lactate production in murine glioma cells and inhibited the expression of lactate dehydrogenase-A in vitro. Lactate reduction was accompanied by a dose-dependent inhibition of cell growth and a cell cycle arrest at the G2/M checkpoint. In the presence of diclofenac, murine bone marrow-derived dendritic cells (DCs) showed enhanced IL-12, but decreased IL-10 secretion on Toll-like receptor stimulation with R848 that correlated with reduced lactate levels in the glioma cell coculture and a blockade of signal transducers and activators of transcription 3 phosphorylation. In vivo, diclofenac treatment diminished intratumoral lactate levels and resulted in a significant delay of glioma growth. Ex vivo analyses revealed that tumor-infiltrating DCs regained their capacity to produce IL-12 on R848 stimulation. Moreover, diclofenac reduced the number of tumor-infiltrating regulatory T cells and impaired the upregulation of the Treg activation marker CD25. Nevertheless, a single intratumoral injection of R848 combined with diclofenac failed to induce an additional survival advantage in glioma-bearing mice. Further analyses illustrated that the presence of diclofenac during T-cell activation compromised INF-γ production and T-cell proliferation, indicating that immunotherapeutic approaches have to be carefully timed when combined with diclofenac. In summary, diclofenac appears as an attractive agent for targeting lactate production and counteracting local immune suppression in malignant gliomas.
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Beier CP, Kumar P, Meyer K, Leukel P, Bruttel V, Aschenbrenner I, Riemenschneider MJ, Fragoulis A, Rümmele P, Lamszus K, Schulz JB, Weis J, Bogdahn U, Wischhusen J, Hau P, Spang R, Beier D. The cancer stem cell subtype determines immune infiltration of glioblastoma. Stem Cells Dev 2012; 21:2753-61. [PMID: 22676416 DOI: 10.1089/scd.2011.0660] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Immune cell infiltration varies widely between different glioblastomas (GBMs). The underlying mechanism, however, remains unknown. Here we show that TGF-beta regulates proliferation, migration, and tumorigenicity of mesenchymal GBM cancer stem cells (CSCs) in vivo and in vitro. In contrast, proneural GBM CSCs resisted TGF-beta due to TGFR2 deficiency. In vivo, a substantially increased infiltration of immune cells was observed in mesenchymal GBMs, while immune infiltrates were rare in proneural GBMs. On a functional level, proneural CSC lines caused a significantly stronger TGF-beta-dependent suppression of NKG2D expression on CD8(+) T and NK cells in vitro providing a mechanistic explanation for the reduced immune infiltration of proneural GBMs. Thus, the molecular subtype of CSCs TGF-beta-dependently contributes to the degree of immune infiltration.
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Dupuis L, Dengler R, Heneka MT, Meyer T, Zierz S, Kassubek J, Fischer W, Steiner F, Lindauer E, Otto M, Dreyhaupt J, Grehl T, Hermann A, Winkler AS, Bogdahn U, Benecke R, Schrank B, Wessig C, Grosskreutz J, Ludolph AC. A randomized, double blind, placebo-controlled trial of pioglitazone in combination with riluzole in amyotrophic lateral sclerosis. PLoS One 2012; 7:e37885. [PMID: 22715372 PMCID: PMC3371007 DOI: 10.1371/journal.pone.0037885] [Citation(s) in RCA: 110] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2012] [Accepted: 04/30/2012] [Indexed: 12/12/2022] Open
Abstract
Background Pioglitazone, an oral anti-diabetic that stimulates the PPAR-gamma transcription factor, increased survival of mice with amyotrophic lateral sclerosis (ALS). Methods/Principal Findings We performed a phase II, double blind, multicentre, placebo controlled trial of pioglitazone in ALS patients under riluzole. 219 patients were randomly assigned to receive 45 mg/day of pioglitazone or placebo (one: one allocation ratio). The primary endpoint was survival. Secondary endpoints included incidence of non-invasive ventilation and tracheotomy, and slopes of ALS-FRS, slow vital capacity, and quality of life as assessed using EUROQoL EQ-5D. The study was conducted under a two-stage group sequential test, allowing to stop for futility or superiority after interim analysis. Shortly after interim analysis, 30 patients under pioglitazone and 24 patients under placebo had died. The trial was stopped for futility; the hazard ratio for primary endpoint was 1.21 (95% CI: 0.71–2.07, p = 0.48). Secondary endpoints were not modified by pioglitazone treatment. Pioglitazone was well tolerated. Conclusion/Significance Pioglitazone has no beneficial effects on the survival of ALS patients as add-on therapy to riluzole. Trial Registration Clinicaltrials.gov NCT00690118.
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Lindner C, Sigrüner A, Walther F, Bogdahn U, Couraud PO, Schmitz G, Schlachetzki F. ATP-binding cassette transporters in immortalised human brain microvascular endothelial cells in normal and hypoxic conditions. EXPERIMENTAL & TRANSLATIONAL STROKE MEDICINE 2012; 4:9. [PMID: 22553972 PMCID: PMC3466144 DOI: 10.1186/2040-7378-4-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/30/2012] [Accepted: 05/03/2012] [Indexed: 11/13/2022]
Abstract
Background Rapid reperfusion following ischemia is the most effective therapy in stroke therapy. However, the success may be compromised by ischemia & reperfusion (I/R) injury and at the human blood–brain barrier (BBB), therefore the effects on transendothelial transport are of special interest. Current studies suggest the ATP-binding cassette (ABC) transporters to be regulated upon ischemic stroke in a way that impedes the effects of drug therapy. The immortalised human brain microvascular endothelial cell line hCMEC/D3 provides most of the unique properties of the BBB with respect to transport and might be a reliable in vitro model to study transendothelial transport after I/R. Methods We exposed hCMEC/D3 cells to 24 hours of hypoxia alone and to hypoxia followed by 60 min of reoxygenisation as an in vitro model for I/R. Western blot showed mild upregulation of hypoxia inducible factor (HIF-1α) after hypoxia alone and RNA lysates were analysed with a well-established real-time RT-PCR-based TaqMan low-density array detecting 47 of 48 known human ABC transporters. Results No significant increases of ABC mRNA expression levels were detected neither in hypoxic nor in I/R samples. However, slight decrease of ABCC1 in hypoxic and I/R samples and of ABCA10 and ABCD3 in I/R samples was observed. Conclusion Our data suggests that hCMEC/D3 cell line and – at the moment – in vitro models in general are a poor basis for stroke research but may be enhanced by co-culturing more cells of the neurovascular unit inducing an overall ischemic response at the BBB.
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Schlachetzki F, Herzberg M, Hölscher T, Ertl M, Zimmermann M, Ittner KP, Pels H, Bogdahn U, Boy S. Transcranial ultrasound from diagnosis to early stroke treatment: part 2: prehospital neurosonography in patients with acute stroke: the Regensburg stroke mobile project. Cerebrovasc Dis 2012; 33:262-71. [PMID: 22261817 DOI: 10.1159/000334667] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2011] [Accepted: 10/21/2011] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND AND PURPOSE The primary aim of this study was to investigate the diagnostic accuracy and time frames for neurological and transcranial color-coded sonography (TCCS) assessments in a prehospital '911' emergency stroke situation by using portable duplex ultrasound devices to visualize the bilateral middle cerebral arteries (MCAs). METHODS This study was conducted between May 2010 and January 2011. Patients who had sustained strokes in the city of Regensburg and the surrounding area in Bavaria, Germany, were enrolled in the study. After a '911 stroke code' call had been dispatched, stroke neurologists with expertise in ultrasonography rendezvoused with the paramedic team at the site of the emergency. After a brief neurological assessment had been completed, the patients underwent TCCS with optional administration of an ultrasound contrast agent in cases of insufficient temporal bone windows or if the agent had acute therapeutic relevance. The ultrasound studies were performed at the site of the emergency or in the ambulance during patient transport to the admitting hospital. Relevant timelines, such as the time from the stroke alarm to patient arrival at the hospital and the duration of the TCCS, were documented, and positive and negative predictive values for the diagnosis of major MCA occlusion were assessed. RESULTS A total of 113 patients were enrolled in the study. MCA occlusion was diagnosed in 10 patients. In 9 of these 10 patients, MCA occlusion could be visualized using contrast-enhanced or non-contrast-enhanced TCCS during patient transport and was later confirmed using computed tomography or magnetic resonance angiography. One MCA occlusion was missed by TCCS and 1 atypical hemorrhage was misdiagnosed. Overall, the sensitivity of a 'field diagnosis' of MCA occlusion was 90% [95% confidence interval (CI) 55.5-99.75%] and the specificity was 98% (95% CI 92.89-99.97%). The positive predictive value was 90% (95% CI 55.5-99.75%) and the negative predictive value was 98% (95% CI 92.89-99.97%). The mean time (standard deviation) from ambulance dispatch to arrival at the patient was 12.3 min (7.09); the mean time for the TCCS examination was 5.6 min (2.2); and the overall mean transport time to the hospital was 53 min (18). CONCLUSION Prehospital diagnosis of MCA occlusion in stroke patients is feasible using portable duplex ultrasonography with or without administration of a microbubble contrast agent. Prehospital neurological as well as transcranial vascular assessments during patient transport can be performed by a trained neurologist with high sensitivity and specificity, perhaps opening an additional therapeutic window for sonothrombolysis or neuroprotective strategies.
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Klein SM, Vykoukal J, Lechler P, Zeitler K, Gehmert S, Schreml S, Alt E, Bogdahn U, Prantl L. Noninvasive in vivo assessment of muscle impairment in the mdx mouse model – A comparison of two common wire hanging methods with two different results. J Neurosci Methods 2012; 203:292-7. [DOI: 10.1016/j.jneumeth.2011.10.001] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2011] [Revised: 09/11/2011] [Accepted: 10/05/2011] [Indexed: 12/20/2022]
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Seliger C, Turmanidze N, Schmid E, Wiethölter H, Boy S, Bogdahn U, Kaiser B, Schlachetzki F. Three cases of stroke in patients with atypical presentation of type a aortic dissection--potential of neurosonography in the early diagnosis of atypical stroke. ULTRASCHALL IN DER MEDIZIN (STUTTGART, GERMANY : 1980) 2011; 32:619-621. [PMID: 21894602 DOI: 10.1055/s-0031-1281718] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
MESH Headings
- Adult
- Aged
- Aortic Aneurysm, Thoracic/classification
- Aortic Aneurysm, Thoracic/diagnostic imaging
- Aortic Aneurysm, Thoracic/surgery
- Blood Vessel Prosthesis Implantation
- Carotid Artery, Internal, Dissection/diagnostic imaging
- Carotid Artery, Internal, Dissection/surgery
- Diagnosis, Differential
- Echocardiography
- Emergencies
- Humans
- Male
- Marfan Syndrome/diagnostic imaging
- Sensitivity and Specificity
- Stroke/diagnostic imaging
- Stroke/surgery
- Subclavian Artery/diagnostic imaging
- Subclavian Artery/surgery
- Ultrasonography, Doppler, Color
- Ultrasonography, Doppler, Transcranial
- Vertebral Artery Dissection/diagnostic imaging
- Vertebral Artery Dissection/surgery
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Hartz AMS, Bauer B, Soldner ELB, Wolf A, Boy S, Backhaus R, Mihaljevic I, Bogdahn U, Klünemann HH, Schuierer G, Schlachetzki F. Amyloid-β contributes to blood-brain barrier leakage in transgenic human amyloid precursor protein mice and in humans with cerebral amyloid angiopathy. Stroke 2011; 43:514-23. [PMID: 22116809 DOI: 10.1161/strokeaha.111.627562] [Citation(s) in RCA: 160] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND AND PURPOSE Cerebral amyloid angiopathy (CAA) is a degenerative disorder characterized by amyloid-β (Aβ) deposition in the blood-brain barrier (BBB). CAA contributes to injuries of the neurovasculature including lobar hemorrhages, cortical microbleeds, ischemia, and superficial hemosiderosis. We postulate that CAA pathology is partially due to Aβ compromising the BBB. METHODS We characterized 19 patients with acute stroke with "probable CAA" for neurovascular pathology based on MRI and clinical findings. Also, we studied the effect of Aβ on the expression of tight junction proteins and matrix metalloproteases (MMPs) in isolated rat brain microvessels. RESULTS Two of 19 patients with CAA had asymptomatic BBB leakage and posterior reversible encephalopathic syndrome indicating increased BBB permeability. In addition to white matter changes, diffusion abnormality suggesting lacunar ischemia was found in 4 of 19 patients with CAA; superficial hemosiderosis was observed in 7 of 9 patients. Aβ(40) decreased expression of the tight junction proteins claudin-1 and claudin-5 and increased expression of MMP-2 and MMP-9. Analysis of brain microvessels from transgenic mice overexpressing human amyloid precursor protein revealed the same expression pattern for tight junction and MMP proteins. Consistent with reduced tight junction and increased MMP expression and activity, permeability was increased in brain microvessels from human amyloid precursor protein mice compared with microvessels from wild-type controls. CONCLUSIONS Our findings indicate that Aβ contributes to changes in brain microvessel tight junction and MMP expression, which compromises BBB integrity. We conclude that Aβ causes BBB leakage and that assessing BBB permeability could potentially help characterize CAA progression and be a surrogate marker for treatment response.
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Locasale JW, Melman T, Song SS, Yang X, Swanson KD, Cantley LC, Asara JM, Wong ET, Adams S, Braidy N, Teo C, Guillemin G, Philippe M, Carole C, David T, Eric G, Isabelle NM, de Paula Andre M, Marylin B, Olivier C, L'Houcine O, Dominique FB, Leukel P, Seliger C, Vollmann A, Jachnik B, Bogdahn U, Hau P, Liu X, Kumar VS, McPherson CM, Chow L, Kendler A, Dasgupta B, Piya S, White E, Klein S, Jiang H, Lang F, Alfred Yung WK, Gomez-Manzano C, Fueyo J, Vartanian A, Guha A, Fenton KE, Abdelwahab M, Scheck AC, Guo D, Reinitz F, Youssef M, Hong C, Nathanson D, Akhavan D, Kuga D, Amzajerdi AN, Soto H, Zhu S, Babic I, Iwanami A, Tanaka K, Gini B, DeJesus J, Lisiero DD, Huang T, Prins R, Wen P, Robbins HI, Prados M, DeAngelis L, Mellinghoff I, Mehta M, James CD, Chakravarti A, Cloughesy T, Tontonoz P, Mischel P, Phillips J, Mukherjee J, Cowdrey C, Wiencke J, Pieper RO, Bachoo R, Marin-Valencia I, Cho S, Rakheja D, Hatanpaa K, Mashimo T, Vemireddy V, Kapur P, Good L, Sun X, Pascual J, Takahashi M, Togao O, Raisanen J, Maher EA, DeBerardinis R, Malloy C, Maher EA, Bachoo R, Marin-Valencia I, Hatanpaa K, Choi C, Mashimo T, Raisanen J, Mathews D, Pascual J, Madden C, Mickey B, Malloy C, DeBerardinis R, Mukherjee J, Zheng S, Phillips J, Cowdrey C, Ronen S, Wiencke J, Pieper RO, Park I, Jalbert LE, Ito M, Ozawa T, James CD, Phillips JJ, Vigneron DB, Pieper RO, Ronen SM, Nelson SJ. METABOLIC PATHWAYS. Neuro Oncol 2011; 13:iii69-iii72. [PMCID: PMC3199168 DOI: 10.1093/neuonc/nor153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/14/2023] Open
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Furnari F, Fenton T, Nathanson D, de Alberquerque CP, Kuga D, Wanami A, Dang J, Yang H, Tanaka K, Gao L, Oba-Shinjo S, Uno M, Inda MDM, Bachoo R, James CD, DePinho R, Vandenberg S, Zhou H, Marie S, Mischel P, Cavenee W, Szerlip N, Pedraza A, Huse J, Mikkelsen T, Brennan C, Szerlip N, Castellani RJ, Ivanova S, Gerzanich VV, Simard JM, Ito M, See W, Mukherjee J, Ohba S, Tan IL, Pieper RO, Lukiw WJ, Culicchia F, Pogue A, Bhattacharjee S, Zhao Y, Proescholdt MA, Merrill M, Storr EM, Lohmeier A, Brawanski A, Abraham S, Jensen R, Khatua S, Gopal U, Du J, He F, Golub T, Isaacs JS, Dietrich J, Kalogirou-Valtis Y, Ly I, Scadden D, Proschel C, Mayer-Proschel M, Rempel SA, Schultz CR, Golembieski W, Brodie C, Mathew LK, Skuli N, Mucaj V, Imtiyaz HZ, Venneti S, Lal P, Zhang Z, Davuluri RV, Koch C, Evans S, Simon MC, Ranganathan P, Clark P, Salamat S, Kuo JS, Kalejta RF, Bhattacharjee B, Renzette N, Moser RP, Kowalik TF, McFarland BC, Ma JY, Langford CP, Gillespie GY, Yu H, Zheng Y, Nozell SE, Huszar D, Benveniste EN, Lawrence JE, Cook NJ, Rovin RA, Winn RJ, Godlewski JA, Ogawa D, Bronisz A, Lawler S, Chiocca EA, Lee SX, Wong ET, Swanson KD, Liu KW, Feng H, Bachoo R, Kazlauskas A, Smith EM, Symes K, Hamilton RL, Nagane M, Nishikawa R, Hu B, Cheng SY, Silber J, Jacobsen A, Ozawa T, Harinath G, Brennan CW, Holland EC, Sander C, Huse JT, Sengupta R, Dubuc A, Ward S, Yang L, Northcott P, Kroll K, Taylor M, Wechsler-Reya R, Rubin J, Chu WT, Lee HT, Huang FJ, Aldape K, Yao J, Steeg PS, Lu Z, Xie K, Huang S, Sim H, Agudelo-Garcia PA, Hu B, Viapiano MS, Hu B, Agudelo-Garcia PA, Saldivar J, Sim H, Dolan C, Mora M, Nuovo G, Cole S, Viapiano MS, Stegh AH, Ryu MJ, Liu Y, Du J, Zhong X, Marwaha S, Li H, Wang J, Salamat S, Chang Q, Zhang J, Ng HK, Yang L, Poon WS, Zhou L, Pang JC, Chan A, Didier S, Kwiatkowska A, Ennis M, Fortin S, Rushing E, Eschbacher J, Tran N, Symons M, Roldan G, McIntyre JB, Easaw J, Magliocco A, Wykosky J, Cavenee W, Furnari F, Lu D, Mreich E, Chung S, Teo C, Wheeler H, McDonald KL, Lawn S, Forsyth P, Sonabend AM, Lei L, Kennedy B, Soderquist C, Guarnieri P, Leung R, Yun J, Sisti J, Castelli M, Bruce S, Bruce R, Ludwig T, Rosenfeld S, Bruce JN, Canoll P, Lamszus K, Schulte A, Gunther HS, Riethdorf S, Phillips HS, Westphal M, Siegal T, Zrihan D, Granit A, Lavon I, Singh M, Chandra J, Ogawa D, Nakashima H, Godlewski J, Chiocca AE, Kapoor GS, Poptani H, Ittyerah R, O'Rourke DM, Sadraei NH, Burgett M, Ahluwalia M, Tipps R, Khosla D, Weil R, Nowacki A, Prayson R, Shi T, Gladson C, Moeckel S, Meyer K, Bosserhoff A, Spang R, Leukel P, Vollmann A, Jachnick B, Stangl C, Proescholdt M, Bogdahn U, Hau P, Kaur G, Sun M, Kaur R, Bloch O, Jian B, Parsa AT, Hossain A, Shinojima N, Gumin J, Feng G, Lang FF, Li L, Yang CR, Chakraborty S, Hatanpaa K, Chauncey S, Jiwani A, Habib A, Nguyen T, Nakashima H, Chiocca EA, Munson J, Machaidze R, Kaluzova M, Bellamkonda R, Hadjipanayis CG, Zhang Y, McFarland B, Bredel M, Benveniste EN, Lee SH, Zerrouqi A, Khwaja F, Devi NS, Van Meir EG, Haseley A, Boone S, Wojton J, Yu L, Kaur B, Wojton JA, Naduparambil J, Denton N, Chakravarti A, Kaur B, Conrad CA, Wang X, Sheng X, Nilsson C, Marshall AG, Emmett MR, Hu Y, Mark L, Zhou YHZ, Dhruv H, McDonough W, Tran N, Armstrong B, Tuncali S, Eschbacher J, Kislin K, Berens M, Plas D, Gallo C, Stringer K, Kendler A, McPherson C, Castelli MA, Ellis JA, Assanah M, Bruce JN, Canoll P, Ogden A, Liang J, Piao Y, deGroot JF, Gordon N, Patel D, Chakravarti A, Palanichamy K, Hervey-Jumper S, Wang A, He X, Zhu T, Heth J, Muraszko K, Fan X, Nakashima H, Nguyen T, Chiocca EA, Liu WM, Huang P, Rani S, Stettner MR, Jerry S, Dai Q, Kappes J, Tipps R, Gladson CL, Chakravarty D, Pedraza A, Koul D, Alfred Yung WK, Brennan CW, Jensen SA, Luciano J, Calvert A, Nagpal V, Stegh A, Kang SH, Yu MO, Lee MG, Chi SG, Chung YG, Cooper MK, Valadez JG, Grover VK, Kouri FM, Chin L, Stegh AH, Ahluwalia MS, Khosla D, Weil RJ, McGraw M, Huang P, Prayson R, Nowacki A, Barnett GH, Gladson C, Kang C, Zou J, Lan F, Yue X, Shi Z, Zhang K, Han L, Pu P, Seaman BF, Tran ND, McDonough W, Dhruv H, Kislin K, Berens M, Battiste JD, Sirasanagandla S, Maher EA, Bachoo R, Sugiarto S, Persson A, Munoz EG, Waldhuber M, Vandenberg S, Stallcup W, Philips J, Berger MS, Bergers G, Weiss WA, Petritsch C. CELL BIOLOGY AND SIGNALING. Neuro Oncol 2011; 13:iii10-iii25. [PMCID: PMC3199169 DOI: 10.1093/neuonc/nor148] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2023] Open
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Prithviraj GK, Sommers SR, Jump RL, Halmos B, Chambless LB, Parker SL, Hassam-Malani L, McGirt MJ, Thompson RC, Chambless LB, Parker SL, Hassam-Malani L, McGirt MJ, Thompson RC, Hunter K, Chamberlain MC, Le EM, Lee ELT, Chamberlain MC, Sadighi ZS, Pearlman ML, Slopis JM, Vats TS, Khatua S, DeVito NC, Yu M, Chen R, Pan E, Cloughesy T, Raizer J, Drappatz J, Gerena-Lewis M, Rogerio J, Yacoub S, Desjardin A, Groves MD, DeGroot J, Loghin M, Conrad CA, Hess K, Ni J, Ictech S, Hunter K, Yung WA, Porter AB, Dueck AC, Karlin NJ, Chamberlain MC, Olson J, Silber J, Reiner AS, Panageas KS, Iwamoto FM, Cloughesy TF, Aldape KD, Rivera AL, Eichler AF, Louis DN, Paleologos NA, Fisher BJ, Ashby LS, Cairncross JG, Roldan GB, Wen PY, Ligon KL, Shiff D, Robins HI, Rocque BG, Chamberlain MC, Mason WP, Weaver SA, Green RM, Kamar FG, Abrey LE, DeAngelis LM, Jhanwar SC, Rosenblum MK, Lassman AB, Cachia D, Alderson L, Moser R, Smith T, Yunus S, Saito K, Mukasa A, Narita Y, Tabei Y, Shinoura N, Shibui S, Saito N, Flechl B, Ackerl M, Sax C, Dieckmann K, Crevenna R, Widhalm G, Preusser M, Marosi C, Marosi C, Ay C, Preusser M, Dunkler D, Widhalm G, Pabinger I, Dieckmann K, Zielinski C, Belongia M, Jogal S, Schlingensiepen KH, Bogdahn U, Stockhammer G, Mahapatra AK, Venkataramana NK, Oliushine V, Parfenov V, Poverennova I, Hau P, Jachimczak P, Heinrichs H, Mammoser AG, Shonka NA, de Groot JF, Shibahara I, Sonoda Y, Kumabe T, Saito R, Kanamori M, Yamashita Y, Watanabe M, Ishioka C, Tominaga T, Silvani A, Gaviani P, Lamperti E, Botturi A, DiMeco F, Broggi G, Fariselli L, Solero CL, Salmaggi A, Green RM, Woyshner EA, Cloughesy TF, Shu F, Oh YS, Iganej S, Singh G, Vemuri SL, Theeler BJ, Ellezam B, Gilbert MR, Aoki T, Kobayashi H, Takano S, Nishikawa R, Shinoura N, Nagane M, Narita Y, Muragaki Y, Sugiyama K, Kuratsu J, Matsutani M, Sadighi ZS, Khatua S, Langford LA, Puduvalli VK, Shen D, Chen ZP, Zhang JP, Chen ZP, Bedekar D, Rand S, Connelly J, Malkin M, Paulson E, Mueller W, Schmainda K, Gallego O, Benavides M, Segura PP, Balana C, Gil M, Berrocal A, Reynes G, Garcia JL, Murata P, Bague S, Quintana MJ, Vasishta VG, Nagane M, Kobayashi K, Tanaka M, Tsuchiya K, Shiokawa Y, Bavle AA, Ayyanar K, Puduvalli VK, Prado MP, Hess KR, Hunter K, Ictech S, Groves MD, Gilbert MR, Liu V, Conrad CA, de Groot J, Loghin ME, Colman H, Levin VA, Alfred Yung WK, Hackney JR, Palmer CA, Markert JM, Cure J, Riley KO, Fathallah-Shaykh H, Nabors LB, Saria MG, Corle C, Hu J, Rudnick J, Phuphanich S, Mrugala MM, Lee LK, Fu BD, Bota DA, Kim RY, Brown T, Feely H, Hu A, Drappatz J, Wen PY, Lee JW, Carter B, Kesari S, Fu BD, Kong XT, Bota DA, Fu BD, Bota DA, Sparagana S, Belousova E, Jozwiak S, Korf B, Frost M, Kuperman R, Kohrman M, Witt O, Wu J, Flamini R, Jansen A, Curtalolo P, Thiele E, Whittemore V, De Vries P, Ford J, Shah G, Cauwel H, Edrich P, Sahmoud T, Franz D, Khasraw M, Brown C, Ashley DM, Rosenthal MA, Jiang X, Mou YG, Chen ZP, Oh M, kim E, Chang J, Juratli TA, Kirsch M, Schackert G, Krex D, Gilbert MR, Wang M, Aldape KD, Stupp R, Hegi M, Jaeckle KA, Armstrong TS, Wefel JS, Won M, Blumenthal DT, Mahajan A, Schultz CJ, Erridge SC, Brown PD, Chakravarti A, Curran WJ, Mehta MP, Hofland KF, Hansen S, Sorensen M, Schultz H, Muhic A, Engelholm S, Ask A, Kristiansen C, Thomsen C, Poulsen HS, Lassen UN, Zalatimo O, Weston C, Zoccoli C, Glantz M, Rahmanuddin S, Shiroishi MS, Cen SY, Jones J, Chen T, Pagnini P, Go J, Lerner A, Gomez J, Law M, Ram Z, Wong ET, Gutin PH, Bobola MS, Alnoor M, Silbergeld DL, Rostomily RC, Chamberlain MC, Silber JR, Martha N, Jacqueline S, Thaddaus G, Daniel P, Hans M, Armin M, Eugen T, Gunther S, Hutterer M, Tseng HM, Zoccoli CM, Glantz M, Zalatimo O, Patel A, Rizzo K, Sheehan JM, Sumrall AL, Vredenburgh JJ, Desjardins A, Reardon DA, Friiedman HS, Peters KB, Taylor LP, Stewart M, Blondin NA, Baehring JM, Foote T, Laack N, Call J, Hamilton MG, Walling S, Eliasziw M, Easaw J, Shirsat NV, Kundar R, Gokhale A, Goel A, Moiyadi AA, Wang J, Mutlu E, Oyan A, Yan T, Tsinkalovsky O, Jacobsen HK, Talasila KM, Sleire L, Pettersen K, Miletic H, Andersen S, Mitra S, Weissman I, Li X, Kalland KH, Enger PO, Sepulveda J, Belda C, Balana C, Segura PP, Reynes G, Gil M, Gallego O, Berrocal A, Blumenthal DT, Sitt R, Phishniak L, Bokstein F, Philippe M, Carole C, Andre MDP, Marylin B, Olivier C, L'Houcine O, Dominique FB, Philippe M, Isabelle NM, Olivier C, Frederic F, Stephane F, Henry D, Marylin B, L'Houcine O, Dominique FB, Errico MA, Kunschner LJ, Errico MA, Kunschner LJ, Soffietti R, Trevisan E, Ruda R, Bertero L, Bosa C, Fabrini MG, Lolli I, Jalali R, Julka PK, Anand AK, Bhavsar D, Singhal N, Naik R, John S, Mathew BS, Thaipisuttikul I, Graber J, DeAngelis LM, Shirinian M, Fontebasso AM, Jacob K, Gerges N, Montpetit A, Nantel A, Albrecht S, Jabado N, Mammoser AG, Shah K, Conrad CA, Di K, Linskey M, Bota DA, Thon N, Eigenbrod S, Kreth S, Lutz J, Tonn JC, Kretzschmar H, Peraud A, Kreth FW, Muggeri AD, Alderuccio JP, Diez BD, Jiang P, Chao Y, Gallagher M, Kim R, Pastorino S, Fogal V, Kesari S, Rudnick JD, Bresee C, Rogatko A, Sakowsky S, Franco M, Hu J, Lim S, Lopez A, Yu L, Ryback K, Tsang V, Lill M, Steinberg A, Sheth R, Grimm S, Helenowski I, Rademaker A, Raizer J, Nunes FP, Merker V, Jennings D, Caruso P, Muzikansky A, Stemmer-Rachamimov A, Plotkin S, Spalding AC, Vitaz TW, Sun DA, Parsons S, Welch MR, Omuro A, DeAngelis LM, Omuro A, Beal K, Correa D, Chan T, DeAngelis L, Gavrilovic I, Nolan C, Hormigo A, Lassman AB, Kaley T, Mellinghoff I, Grommes C, Panageas K, Reiner A, Barradas R, Abrey L, Gutin P, Lee SY, Slagle-Webb B, Glantz MJ, Sheehan JM, Connor JR, Schlimper CA, Schlag H, Stoffels G, Weber F, Krueger DA, Care MM, Holland K, Agricola K, Tudor C, Byars A, Sahmoud T, Franz DN, Raizer J, Rice L, Rademaker A, Chandler J, Levy R, Muro K, Grimm S, Nayak L, Iwamoto FM, Rudnick JD, Norden AD, Omuro A, Kaley TJ, Thomas AA, Fadul CE, Meyer LP, Lallana EC, Colman H, Gilbert M, Alfred Yung WK, Aldape K, De Groot J, Conrad C, Levin V, Groves M, Loghin M, Chris P, Puduvalli V, Nagpal S, Feroze A, Recht L, Rangarajan HG, Kieran MW, Scott RM, Lew SM, Firat SY, Segura AD, Jogal SA, Kumthekar PU, Grimm SA, Avram M, Patel J, Kaklamani V, McCarthy K, Cianfrocca M, Gradishar W, Mulcahy M, Von Roenn J, Helenowski I, Rademaker A, Raizer J, Galanis E, Anderson SK, Lafky JM, Kaufmann TJ, Uhm JH, Giannini C, Kumar SK, Northfelt DW, Flynn PJ, Jaeckle KA, Buckner JC, Omar AI, Panageas KS, Iwamoto FM, Cloughesy TF, Aldape KD, Rivera AL, Eichler AF, Louis DN, Paleologos NA, Fisher BJ, Ashby LS, Cairncross JG, Roldan GB, Wen PY, Ligon KL, Schiff D, Robins HI, Rocque BG, Chamberlain MC, Mason WP, Weaver SA, Green RM, Kamar FG, Abrey LE, DeAngelis LM, Jhanwar SC, Rosenblum MK, Lassman AB, Delios A, Jakubowski A, DeAngelis L, Grommes C, Lassman AB, Theeler BJ, Melguizo-Gavilanes I, Shonka NA, Qiao W, Wang X, Mahajan A, Puduvalli V, Hashemi-Sadraei N, Bawa H, Rahmathulla G, Patel M, Elson P, Stevens G, Peereboom D, Vogelbaum M, Weil R, Barnett G, Ahluwalia MS, Alvord EC, Rockne RC, Rockhill JK, Mrugala MM, Rostomily R, Lai A, Cloughesy T, Wardlaw J, Spence AM, Swanson KR, Zadeh G, Alahmadi H, Wilson J, Gentili F, Lassman AB, Wang M, Gilbert MR, Aldape KD, Beumer JJ, Wright J, Takebe N, Puduvalli VK, Hormigo A, Gaur R, Werner-Wasik M, Mehta MP, Gupta AJ, Campos-Gines A, Le K, Arango C, Richards M, Landeros M, Juan H, Chang JH, Kim JS, Cho JH, Seo CO, Baldock AL, Rockne R, Canoll P, Born D, Yagle K, Swanson KR, Alexandru D, Bota D, Linskey ME, Nabeel S, Raval SN, Raizer J, Grimm S, Rice L, Rosenow J, Levy R, Bredel M, Chandler J, New PZ, Plotkin SR, Supko JG, Curry WT, Chi AS, Gerstner ER, Stemmer-Rachamimov A, Batchelor TT, Ahluwalia MS, Hashemi N, Rahmathulla G, Patel M, Chao ST, Peereboom D, Weil RJ, Suh JH, Vogelbaum MA, Stevens GH, Barnett GH, Corwin D, Holdsworth C, Stewart R, Rockne R, Swanson K, Graber JJ, Kaley T, Rockne RC, Anderson AR, Swanson KR, Jeyapalan S, Goldman M, Boxerman J, Donahue J, Elinzano H, Evans D, O'Connor B, Puthawala MY, Oyelese A, Cielo D, Blitstein M, Dargush M, Santaniello A, Constantinou M, DiPetrillo T, Safran H, Plotkin SR, Halpin C, Merker V, Barker FG, Maher EA, Ganji S, DeBerardinis R, Hatanpaa K, Rakheja D, Yang XL, Mashimo T, Raisanen J, Madden C, Mickey B, Malloy C, Bachoo R, Choi C, Ranjan T, Yono N, Zalatimo O, Zoccoli C, Glantz M, Han SJ, Sun M, Berger MS, Aghi M, Gupta N, Parsa AT. MEDICAL AND NEURO-ONCOLOGY. Neuro Oncol 2011. [DOI: 10.1093/neuonc/nor152] [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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Joshi K, Gupta S, Mazumder S, Okemoto Y, Angenieux B, Kornblum H, Nakano I, Synowitz M, Kumar J, Petrosino S, Imperatore R, Smith E, Wendt P, Erdmann B, Nuber U, Nuber U, Matiash V, Chirasani S, Cristino L, DiMarzo V, Kettenmann H, Glass R, Soroceanu L, Matlaf L, Cobbs C, Kim YW, Kim SH, Kwon C, Han DY, Kim EH, Chang JH, Liu JL, Kim YH, Kim S, Long PM, Viapiano MS, Jaworski DM, Kanemura Y, Shofuda T, Kanematsu D, Matsumoto Y, Yamamoto A, Nonaka M, Moriuchi S, Nakajima S, Suemizu H, Nakamura M, Okada Y, Okano H, Yamasaki M, Price RL, Song J, Bingmer K, Zimmerman P, Rivera A, Yi JY, Cook C, Chiocca EA, Kwon CH, Kang SG, Shin HD, Mok HS, Park NR, Sim JK, Shin HJ, Park YK, Jeun SS, Hong YK, Lang FF, McKenzie BA, Zemp FJ, Lun X, Narendran A, McFadden G, Kurz E, Forsyth P, Talsma CE, Flack CG, Zhu T, He X, Soules M, Heth JA, Muraszko K, Fan X, Chen L, Guerrero-Cazares H, Noiman L, Smith C, Beltran N, Levchenko A, Quinones-Hinojosa A, Peruzzi P, Godlewski J, Lawler SE, Chiocca EA, Sarkar S, Doring A, Lun X, Wang X, Kelly J, Hader W, Dunn JF, Kinniburgh D, Robbins S, Forsyth P, Cairncross G, Weiss S, Yong VW, Vollmann-Zwerenz A, Velez-Char N, Jachnik B, Ramm P, Leukel P, Bogdahn U, Hau P, Kim SH, Lee MK, Chwae YJ, Yoo BC, Kim KH, Kristoffersen K, Stockhausen MT, Poulsen HS, Kaluzova M, Machaidze R, Wankhede M, Hadjipanayis CG, Romane AM, Sim FJ, Wang S, Chandler-Militello D, Li X, Al Fanek Y, Walter K, Johnson M, Achanta P, Quinones-Hinojosa A, Goldman SA, Shinojima N, Hossain A, Takezaki T, Gumin J, Gao F, Nwajei F, Cheung V, Figueroa J, Lang FF, Pellegatta S, Orzan F, Anghileri E, Guzzetti S, Porrati P, Eoli M, Finocchiaro G, Fu J, Koul D, Wang S, Yao J, Gumin JG, Sulman E, Lang F, Aldape KK, Colman H, Yung AW, Koul D, Fu J, Yao J, Wang S, Gumin J, Sulman E, Lang F, Aldape K, Colman H, Yung AW, Alonso MM, Manterola L, urquiza L, Cortes-Santiago N, Diez-Valle R, Tejada-Solis S, Garcia-foncillas J, Fueyo J, Gomez-Manzano C, Nguyen S, Stechishin O, Luchman A, Weiss S, Lathia JD, Gallagher J, Li M, Myers J, Hjelmeland A, Huang A, Rich J, Bhat K, Vaillant B, Balasubramaniyan V, Ezhilarasan R, Sulman E, Colman H, Aldape K, Lathia JD, Hitomi M, Gallagher J, Gadani S, Li M, Adkins J, Vasanji A, Wu Q, Soeda A, McLendon R, Chenn A, Hjelmeland A, Park D, Rich J, Yao J, Fu J, Koul D, Weinstein JN, Alfred Yung WK, Zagzag D, Esencay M, Klopsis D, Liu M, Narayana A, Parker E, Golfinos J, Clark PA, Kandela IK, Weichert JP, Kuo JS, Fouse SD, Nagarajan RP, Nakamura J, James CD, Chang S, Costello JF, Gong X, Kankar G, Di K, Reeves A, Linskey M, Bota DA, Schmid RS, Bash RE, Vitucci M, Werneke AM, Miller CR, Kim E, Kim M, Kim K, Lee J, Du F, Li P, Wechsler-Reya R, Yang ZJ. STEM CELLS. Neuro Oncol 2011. [DOI: 10.1093/neuonc/nor163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Grauer O, Pascher C, Hartmann C, Zeman F, Weller M, Proescholdt M, Brawanski A, Pietsch T, Wick W, Bogdahn U, Hau P. Erratum to: Temozolomide and 13-cis retinoic acid in patients with anaplastic gliomas: a prospective single-arm monocentric phase-II study (RNOP-05). J Neurooncol 2011. [DOI: 10.1007/s11060-011-0742-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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Ertl M, Schuierer G, Bogdahn U, Schlachetzki F. Altered cerebral collateralization in patients with left brachiocephalic trunk occlusion and a right descending aorta. ULTRASCHALL IN DER MEDIZIN (STUTTGART, GERMANY : 1980) 2011; 32:434-436. [PMID: 21870319 DOI: 10.1055/s-0031-1273472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
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Weller M, Gorlia T, Cairncross JG, van den Bent MJ, Mason W, Belanger K, Brandes AA, Bogdahn U, Macdonald DR, Forsyth P, Rossetti AO, Lacombe D, Mirimanoff RO, Vecht CJ, Stupp R. Prolonged survival with valproic acid use in the EORTC/NCIC temozolomide trial for glioblastoma. Neurology 2011; 77:1156-64. [PMID: 21880994 DOI: 10.1212/wnl.0b013e31822f02e1] [Citation(s) in RCA: 210] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVE This analysis was performed to assess whether antiepileptic drugs (AEDs) modulate the effectiveness of temozolomide radiochemotherapy in patients with newly diagnosed glioblastoma. METHODS The European Organization for Research and Treatment of Cancer (EORTC) 26981-22981/National Cancer Institute of Canada (NCIC) CE.3 clinical trial database of radiotherapy (RT) with or without temozolomide (TMZ) for newly diagnosed glioblastoma was examined to assess the impact of the interaction between AED use and chemoradiotherapy on survival. Data were adjusted for known prognostic factors. RESULTS When treatment began, 175 patients (30.5%) were AED-free, 277 (48.3%) were taking any enzyme-inducing AED (EIAED) and 135 (23.4%) were taking any non-EIAED. Patients receiving valproic acid (VPA) only had more grade 3/4 thrombopenia and leukopenia than patients without an AED or patients taking an EIAED only. The overall survival (OS) of patients who were receiving an AED at baseline vs not receiving any AED was similar. Patients receiving VPA alone (97 [16.9%]) appeared to derive more survival benefit from TMZ/RT (hazard ratio [HR] 0.39, 95% confidence interval [CI] 0.24-0.63) than patients receiving an EIAED only (252 [44%]) (HR 0.69, 95% CI 0.53-0.90) or patients not receiving any AED (HR 0.67, 95% CI 0.49-0.93). CONCLUSIONS VPA may be preferred over an EIAED in patients with glioblastoma who require an AED during TMZ-based chemoradiotherapy. Future studies are needed to determine whether VPA increases TMZ bioavailability or acts as an inhibitor of histone deacetylases and thereby sensitizes for radiochemotherapy in vivo.
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