Publications by authors named "Astrid Katzer"

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Opposite effects of the triple target (DNA-PK/PI3K/mTOR) inhibitor PI-103 on the radiation sensitivity of glioblastoma cell lines proficient and deficient in DNA-PKcs.
Cholpon S Djuzenova, Thomas Fischer, Astrid Katzer, Dmitri Sisario, Tessa Korsa

BMC Cancer· November 2021

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Differential effects of the Akt inhibitor MK-2206 on migration and radiation sensitivity of glioblastoma cells.
Cholpon S Djuzenova, Vanessa Fiedler, Simon Memmel, Astrid Katzer, Dmitri Sisario

BMC Cancer· April 2019

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MEK-inhibitor PD184352 enhances the radiosensitizing effect of the Hsp90 inhibitor NVP-AUY922: the role of cell type and drug-irradiation schedule.
Felix Grabenbauer, Astrid Katzer, Dmitri Sisario, Simon Memmel, Michael Flentje

Oncotarget· December 2018

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Migration pattern, actin cytoskeleton organization and response to PI3K-, mTOR-, and Hsp90-inhibition of glioblastoma cells with different invasive capacities.
Simon Memmel, Dmitri Sisario, Caren Zöller, Vanessa Fiedler, Astrid Katzer

Oncotarget· July 2017

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Time- and oxygen-dependent expression and regulation of NDRG1 in human brain cancer cells.
Harun Muayad Said, Roghaiyeh Safari, Ghada Al-Kafaji, Ralf-Ingo Ernestus, Mario Löhr, Astrid Katzer

Oncol Rep· June 2017

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Dual PI3K- and mTOR-inhibitor PI-103 can either enhance or reduce the radiosensitizing effect of the Hsp90 inhibitor NVP-AUY922 in tumor cells: The role of drug-irradiation schedule.
Cholpon S Djuzenova, Vanessa Fiedler, Astrid Katzer, Konstanze Michel, Stefanie Deckert

Oncotarget· June 2016

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A prospective study on histone γ-H2AX and 53BP1 foci expression in rectal carcinoma patients: correlation with radiation therapy-induced outcome.
Cholpon S Djuzenova, Marcus Zimmermann, Astrid Katzer, Vanessa Fiedler, Luitpold V Distel

BMC Cancer· November 2015

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Actin cytoskeleton organization, cell surface modification and invasion rate of 5 glioblastoma cell lines differing in PTEN and p53 status.
Cholpon S Djuzenova, Vanessa Fiedler, Simon Memmel, Astrid Katzer, Susanne Hartmann

Exp Cell Res· January 2015

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Cell surface area and membrane folding in glioblastoma cell lines differing in PTEN and p53 status.
Simon Memmel, Vladimir L Sukhorukov, Marcus Höring, Katherine Westerling, Vanessa Fiedler, Astrid Katzer

PLoS One· October 2014

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Hypoxia induced CA9 inhibitory targeting by two different sulfonamide derivatives including acetazolamide in human glioblastoma.
Harun M Said, Carsten Hagemann, Fabrizio Carta, Astrid Katzer, Bülent Polat

Bioorg Med Chem· July 2013

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Hsp90 inhibition by NVP-AUY922 and NVP-BEP800 decreases migration and invasion of irradiated normoxic and hypoxic tumor cell lines.
Susanne Hartmann, Nadine Günther, Marlene Biehl, Astrid Katzer, Sebastian Kuger

Cancer Lett· May 2013

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Radiosensitization of Glioblastoma Cell Lines by the Dual PI3K and mTOR Inhibitor NVP-BEZ235 Depends on Drug-Irradiation Schedule.
Sebastian Kuger, Dorothea Graus, Rico Brendtke, Nadine Günther, Astrid Katzer

Transl Oncol· April 2013

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Radiosensitivity in breast cancer assessed by the histone γ-H2AX and 53BP1 foci.
Cholpon S Djuzenova, Ines Elsner, Astrid Katzer, Eike Worschech, Luitpold V Distel

Radiat Oncol· April 2013

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Hsp90 Inhibitors NVP-AUY922 and NVP-BEP800 May Exert a Significant Radiosensitization on Tumor Cells along with a Cell Type-Specific Cytotoxicity.
Natalia Niewidok, Linda-Jacqueline Wack, Sarah Schiessl, Lavinia Stingl, Astrid Katzer

Transl Oncol· October 2012

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Inhibition of N-Myc down regulated gene 1 in in vitro cultured human glioblastoma cells.
Harun M Said, Buelent Polat, Susanne Stein, Mathias Guckenberger, Carsten Hagemann, Astrid Katzer

World J Clin Oncol· July 2012

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Hsp90 inhibitor NVP-AUY922 enhances radiation sensitivity of tumor cell lines under hypoxia.
Cholpon S Djuzenova, Christina Blassl, Konstanze Roloff, Sebastian Kuger, Astrid Katzer

Cancer Biol Ther· April 2012

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Modulation of carbonic anhydrase 9 (CA9) in human brain cancer.
Harun M Said, Claudiu T Supuran, Carsten Hageman, Adrian Staab, Buelent Polat, Astrid Katzer

Curr Pharm Des· April 2011

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Small interfering RNA targeting HIF-1α reduces hypoxia-dependent transcription and radiosensitizes hypoxic HT 1080 human fibrosarcoma cells in vitro.
Adrian Staab, Markus Fleischer, Juergen Loeffler, Harun M Said, Astrid Katzer

Strahlenther Onkol· April 2011

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Rapid detection of the hypoxia-regulated CA-IX and NDRG1 gene expression in different glioblastoma cells in vitro.
Harun M Said, Buelent Polat, Adrian Staab, Carsten Hagemann, Susanne Stein, Astrid Katzer

Oncol Rep· August 2008

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Differential response of human glioblastoma cell lines to combined camptothecin and ionizing radiation treatment.
Cholpon S Djuzenova, Teresa Güttler, Sabrina Berger, Astrid Katzer, Michael Flentje

Cancer Biol Ther· March 2008

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Effects of HIF-1 inhibition by chetomin on hypoxia-related transcription and radiosensitivity in HT 1080 human fibrosarcoma cells.
Adrian Staab, Jürgen Loeffler, Harun M Said, Désirée Diehlmann, Astrid Katzer

BMC Cancer· November 2007

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Modulation of glucose metabolism inhibits hypoxic accumulation of hypoxia-inducible factor-1alpha (HIF-1alpha).
Adrian Staab, Jürgen Löffler, Harun M Said, Astrid Katzer, Melanie Beyer

Strahlenther Onkol· July 2007

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Distinct patterns of hypoxic expression of carbonic anhydrase IX (CA IX) in human malignant glioma cell lines.
Harun M Said, Adrian Staab, Carsten Hagemann, Giles H Vince, Astrid Katzer

J Neurooncol· January 2007

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Plasma osteopontin levels in patients with head and neck cancer and cervix cancer are critically dependent on the choice of ELISA system.
Dirk Vordermark, Harun M Said, Astrid Katzer, Thomas Kuhnt, Gabriele Hänsgen

BMC Cancer· August 2006

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Glucose requirement for hypoxic accumulation of hypoxia-inducible factor-1alpha (HIF-1alpha).
Dirk Vordermark, Peter Kraft, Astrid Katzer, Tobias Bölling, Jochen Willner

Cancer Lett· December 2005

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