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Oliver J Ott, Vratislav Strnad, Guido Hildebrandt, Daniela Kauer-Dorner, Hellen Knauerhase, Tibor Major, Jaroslaw Łyczek, José Luis Guinot, Jürgen Dunst, Cristina Gutierrez Miguelez, Pavel Slampa, Michael Allgäuer, Kristina Lössl, Bülent Polat, György Kovács, Arnt-René Fischedick, Thomas G Wendt, Rainer Fietkau, Rolf-Dieter Kortmann, Alexandra Resch, Anna Kulik, Leo Arribas, Peter Niehoff, Ferran Guedea, Annika Schlamann, Richard Pötter, Christine Gall, Martina Malzer, Wolfgang Uter, Csaba Polgár
BACKGROUND AND PURPOSE: To compare early side effects and patient compliance of accelerated partial breast irradiation (APBI) with multicatheter brachytherapy to external beam whole breast irradiation (WBI) in a low-risk group of patients with breast cancer. MATERIAL AND METHODS: Between April 2004 and July 2009, 1328 patients with UICC stage 0-IIA breast cancer were randomized to receive WBI with 50Gy and a boost of 10Gy or APBI with either 32.0Gy/8 fractions, or 30...
July 2016: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
Rolf P Kreutz, Janelle Owens, Yan Jin, Perry Nystrom, Zeruesenay Desta, Yvonne Kreutz, Jeffrey A Breall, Lang Li, Chienwei Chiang, Richard J Kovacs, David A Flockhart
Recent candidate gene studies using a human liver bank and in vivo validation in healthy volunteers identified polymorphisms in cytochrome P450 (CYP) 3A4 gene (CYP3A4*22), Ah-receptor nuclear translocator (ARNT), and peroxisome proliferator-activated receptor-α (PPAR-α) genes that are associated with the CYP3A4 phenotype. We hypothesized that the variants identified in these genes may be associated with altered clopidogrel response, since generation of clopidogrel active metabolite is, partially mediated by CYP3A activity...
2013: Clinical Pharmacology: Advances and Applications
Inger-Lise Hansteen, Kjell O Clausen, Vera Haugan, Marit Svendsen, Martin V Svendsen, Jan G Eriksen, Rolf Skiaker, Egil Hauger, Lars Lågeide, Arnt I Vistnes, Elin H Kure
BACKGROUND: No previous in vitro studies have tested radio frequency radiation for at least one full cell cycle in culture. The aim was to test if exposure used in mobile phones and wireless network technologies would induce DNA damage in cultured human lymphocytes with and without a known clastogen. MATERIALS AND METHODS: Lymphocytes from six donors were exposed to 2.3 GHz, 10 W/m(2) continuous waves, or 2.3 GHz, 10 W/m(2) pulsed waves (200 Hz pulse frequency, 50% duty cycle)...
November 2009: Anticancer Research
Inger-Lise Hansteen, Lars Lågeide, Kjell Oskar Clausen, Vera Haugan, Marit Svendsen, Jan Gunnar Eriksen, Rolf Skiaker, Egil Hauger, Arnt Inge Vistnes, Elin H Kure
BACKGROUND: There are few cell studies on the direct genotoxic effects of microwave radiation. In this study, cytogenetic effects of microwave radiation alone or in combination with mitomycin C (MMC) were investigated. MATERIALS AND METHODS: Lymphocytes from two smoking and four non-smoking donors were exposed for 53 hours in vitro to 1.0 W/m(2) continuous-wave radiation at 18.0 GHz or 10 W/m(2) pulsed-wave at 16.5 GHz, alone or in combination with MMC. DNA synthesis and repair were inhibited in vitro in some cultures...
August 2009: Anticancer Research
Martin Kocher, Peter Frommolt, Sigrid Klara Borberg, Ursula Rühl, Maria Steingräber, Markus Niewald, Susanne Staar, Martin Stuschke, Gerd Becker, Arnt-René Fischedick, Klaus Herfarth, Hermann Grauthoff, Rolf-Peter Müller
PURPOSE: To evaluate the efficacy of simultaneous postoperative temozolomide radiochemotherapy in glioblastoma patients. PATIENTS AND METHODS: From February 2002 to July 2004, n = 65 patients from 11 German centers with macroscopic complete tumor resection were randomized to receive either postoperative radiotherapy alone (RT, n = 35) or postoperative radiotherapy with simultaneous temozolomide (RT + TMZ, n = 30). Patients were stratified according to age (< or =/>50 years) and WHO performance score (0-1 vs...
November 2008: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
Martin Moser, Rolf Knoth, Christoph Bode, Cam Patterson
A growing family of helix-loop-helix PAS (HLH-PAS) transcription factors has emerged recently. These proteins form heterodimers and are involved in adaptation to environmental or physiologic stresses as well as in embryonic development. We describe the cloning and characterization of a novel HLH-PAS protein termed LE-PAS (limbic-enriched PAS) in mouse. LE-PAS consists of 802 amino acids and has a predicted molecular mass of 87.4 kDa. In adult mice, it is expressed exclusively in brain. Northern blot and in situ hybridization analysis indicate that LE-PAS is expressed in the limbic system and olfactory bulb...
September 28, 2004: Brain Research. Molecular Brain Research
A Rolfs, I Kvietikova, M Gassmann, R H Wenger
Transferrin (Tf) is a liver-derived iron transport protein whose plasma concentration increases following exposure to hypoxia. Here, we present a cell culture model capable of expressing Tf mRNA in an oxygen-dependent manner. A 4-kilobase pair Tf promoter/enhancer fragment as well as the 300-base pair liver-specific Tf enhancer alone conveyed hypoxia responsiveness to a heterologous reporter gene construct in hepatoma but not HeLa cells. Within this enhancer, a 32-base pair hypoxia-responsive element was identified, which contained two hypoxia-inducible factor-1 (HIF-1) binding sites (HBSs)...
August 8, 1997: Journal of Biological Chemistry
M Gassmann, I Kvietikova, A Rolfs, R H Wenger
The discovery that the oxygen-regulated transcription factor HIF-1 alpha and the dioxin receptor AhR share the common heterodimerization partner ARNT (HIF-1 beta) raised the question whether a cross-talk between oxygen and dioxin signal transduction pathways exists. To answer this question we investigated an ARNT-deficient mutant cell line (Hepa1C4), which has lost its capability of responding to dioxin. The results demonstrate that the presence of ARNT is indispensable for hypoxia-inducible HIF-1 DNA binding as well as for oxygen-regulated reporter gene activity mediated by the EPO 3' hypoxia response element (HRE)...
February 1997: Kidney International
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