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Your search keyword '"Klotz, Daniel"' showing total 13 results
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13 results on '"Klotz, Daniel"'

1. Vegan/vegetarian diet and human milk donation: An EMBA survey across European milk banks

Author

Gandino, Serena, primary, Bzikowska‐Jura, Agnieszka, additional, Karcz, Karolina, additional, Cassidy, Tanya, additional, Wesolowska, Aleksandra, additional, Królak‐Olejnik, Barbara, additional, Klotz, Daniel, additional, Arslanoglu, Sertac, additional, Picaud, Jean‐Charles, additional, Boquien, Clair‐Yves, additional, Bertino, Enrico, additional, Moro, Guido E., additional, and Weaver, Gillian, additional

Published
2023
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12. Toward operative in vivo fluorescence imaging of the c-Met proto-oncogene for personalization of therapy in ovarian cancer

Author

Liu, Shujuan, primary, Zheng, Yong, additional, Volpi, Davide, additional, El-Kasti, Muna, additional, Klotz, Daniel, additional, Tullis, Iain, additional, Henricks, Andrea, additional, Campo, Leticia, additional, Myers, Kevin, additional, Laios, Alex, additional, Thomas, Peter, additional, Ng, Tony, additional, Dhar, Sunanda, additional, Becker, Christian, additional, Vojnovic, Borivoj, additional, and Ahmed, Ahmed Ashour, additional

Published
2014
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13. Toward operative in vivo fluorescence imaging of the c-Met proto-oncogene for personalization of therapy in ovarian cancer.

Author

Liu S, Zheng Y, Volpi D, El-Kasti M, Klotz D, Tullis I, Henricks A, Campo L, Myers K, Laios A, Thomas P, Ng T, Dhar S, Becker C, Vojnovic B, and Ahmed AA

Subjects
Animals, Blotting, Western, Cell Line, Tumor, Feasibility Studies, Female, Flow Cytometry, Gene Expression Regulation, Neoplastic, Heterografts, Humans, Immunohistochemistry, Mice, Mice, Inbred BALB C, Mice, Nude, Microscopy, Fluorescence, Molecular Targeted Therapy methods, Ovarian Neoplasms genetics, Ovarian Neoplasms therapy, Precision Medicine, Proto-Oncogene Mas, Biomarkers, Tumor analysis, Fluorescent Dyes metabolism, Optical Imaging methods, Ovarian Neoplasms chemistry, Ovarian Neoplasms surgery, Peptides, Cyclic metabolism, Peritoneal Neoplasms secondary, Proto-Oncogene Proteins c-met analysis
Abstract

Background: Standard biomarker testing of a single macroscopic disease site is unlikely to be sufficient because of tumor heterogeneity. A focus on examining global biomarker expression or activity, particularly in microscopic residual chemotherapy-resistant disease, is needed for the appropriate selection of targeted therapies. This study was aimed at establishing a technique for the assessment of biomarkers of ovarian cancer peritoneal spread., Methods: An in-house developed fluorescent imaging device was used to detect the expression of the c-Met oncogene in ovarian cancer. A modified cyanine 5-tagged peptide, GE137, with a high in vitro affinity for the human c-Met protein, was tested in a panel of ovarian cancer cell lines. Finally, the feasibility of detecting submillimeter ovarian cancer cell peritoneal metastases in vivo was tested through the intravenous injection of GE137 into mice with tumor xenografts., Results: Using optical imaging it was possible to detect c-Met expression in submillimeter peritoneal metastases that were freshly excised from a human high-grade serous ovarian cancer. GE137 selectively bound to the c-Met tyrosine kinase without activating survival signaling pathways (AKT or extracellular signal-regulated kinase phosphorylation) downstream of c-Met. GE137 specifically accumulated in SKOv3 ovarian cancer cells expressing c-Met via clathrin-mediated endocytosis and emitted a fluorescent signal that lasted for at least 8 hours in tumor xenografts in vivo with a sustained high signal-to-noise ratio., Conclusions: Our results suggest that intraoperative optical imaging could provide a new paradigm for selecting cancer patients for appropriate targeted therapies, particularly after initial chemotherapy., (© 2014 American Cancer Society.)

Published
2015
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