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32 results on '"Löhberg C"'

2. Is the care for women with a hereditary risk for breast and ovarian cancer fundable at all? - Health-economic analysis of genetic testing intensified early cancer detection and prophylactic surgery from the perspective of the health care system and the health care provider: ID 150

Author

Brunel-Geuder, L., Fasching, P. A., Bani, M. R., Löhberg, C. R., Jud, S. M., Schrauder, M. G., Geisler, K., Wagner, S., Hoyer, J., Reis, A., Wenkel, E., Schulz-Wendtland, R., Beckmann, M. W., and Lux, M. P.

Published
2014

4. Einfluss der Familienanamnese eines Mamma- oder Ovarialkarzinoms auf die pathologische Komplettremission und die Prognose bei Patientinnen mit einem Mammakarzinom nach neoadjuvanter Chemotherapie

Author

Wunderle, M, additional, Häberle, L, additional, Hein, A, additional, Jud, S M, additional, Lux, M P, additional, Hack, C C, additional, Emons, J, additional, Heindl, F, additional, Nabieva, N, additional, Löhberg, C R, additional, Schulz-Wendtland, R, additional, Hartmann, A, additional, Beckmann, M W, additional, Fasching, P A, additional, and Gaß, P, additional

Published
2020
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9. TREAT CTC – Ein innovativer Ansatz zur Therapie von zirkulierenden Tumorzellen (CTCs) beim frühen Mammakarzinom

Author

Trapp, E, primary, Rack, B, additional, Messina, C, additional, Müller, V, additional, Fehm, T, additional, Janni, W, additional, Schramm, A, additional, Löhberg, C, additional, Wimberger, P, additional, Uleer, C, additional, Brudler, O, additional, Sotiriou, C, additional, Pierga, J, additional, Piccart, M, additional, and Ignatiadis, M, additional

Published
2015
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15. DETECT-Studie (Detection of circulating epithelial tumor cells): ein prospektiv multizentrischer Vergleich von Methoden zur Bestimmung der HER2-Expression auf zirkulierenden Tumorzellen beim metastasierten Mammakarzinom

Author

Fehm, T, primary, Janni, W, additional, Kasimir-Bauer, S, additional, Rack, B, additional, Löhberg, C, additional, Sohn, C, additional, Ortmann, O, additional, Stickeler, E, additional, Pantel, K, additional, Klein, C, additional, Solomayer, EF, additional, and Mueller, V, additional

Published
2010
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18. Detect-Study: Comparison of Two Techniques for the Evaluation of the HER2 Expression on Circulating Tumor Cells in Metastatic Breast Cancer.

Author

Fehm, T., primary, Mueller, V., additional, Kasimir-Bauer, S., additional, Janni, W., additional, Löhberg, C., additional, Gebauer, G., additional, Rack, B., additional, Stickeler, E., additional, Ortmann, O., additional, Riethdorf, S., additional, Solomayer, E., additional, Klein, C., additional, Schindlbeck, C., additional, Kreipe, H., additional, Wallwiener, D., additional, and Pantel, K., additional

Published
2009
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19. DETECT-Studie (Detection of circulating epithelial tumor cells): Ein prospektiv multizentrischer Vergleich von Methoden zur Bestimmung der HER2-Expression auf disseminierten Tumorzellen aus Blut und Knochenmark

Author

Fehm, T, primary, Janni, W, additional, Rack, B, additional, Kasimir Bauer, S, additional, Löhberg, C, additional, Sohn, C, additional, Ortmann, O, additional, Stickeler, E, additional, Pantel, K, additional, Klein, C, additional, Solomayer, E, additional, and Müller, V, additional

Published
2009
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29. Negative regulation of CD4 expression in T cells by the transcriptional repressor ZEB

Author

Brabletz, T., Jung, A., Hlubek, F., Löhberg, C., Meiler, J., Suchy, U., and Kirchner, T.

Abstract

ZEB, an E-box binding transcriptional repressor, is an important regulator of T cell and muscle development. Targeted disruption of ZEB in mice resulted in a strong reduction of thymocytes and the few T cells that reached the mature stage were predominantly CD4+. CD4 expression during the various stages of T cell differentiation is controlled at the transcriptional level by a complex array of regulatory elements in the CD4 gene locus, consisting of at least three enhancers, one promoter and one silencer. Here we present evidence that CD4 gene expression is negatively regulated by ZEB. We show that ZEB binds to the 5′E-box in the CD4-3 element of the proximal CD4 enhancer in competition with the transcriptional activators E12 and HEB, thereby reducing CD4 expression on CD4 single-positive but not CD4/CD8 double-positive T cells. The conversion of the CD4 proximal enhancer into a potential silencer element by the transcriptional repressor ZEB offers an additional concept of CD4 gene regulation in T cells.

Published
1999

31. The Hohl instrument for optimizing total laparoscopic hysterectomy: results of more than 500 procedures in a university training center.

Author

Mueller A, Boosz A, Koch M, Jud S, Faschingbauer F, Schrauder M, Löhberg C, Mehlhorn G, Renner SP, Lux MP, Beckmann MW, and Thiel FC

Subjects
Adult, Female, Hospitals, University, Humans, Hysterectomy adverse effects, Incidence, Laparoscopy adverse effects, Middle Aged, Postoperative Complications epidemiology, Hysterectomy instrumentation, Hysterectomy methods, Laparoscopy instrumentation, Laparoscopy methods
Abstract

Purpose: To evaluate complication rates associated with total laparoscopic hysterectomy (TLH) using the Hohl instrument in women with benign indications for hysterectomy, a prospective cohort study was conducted in a university teaching hospital., Methods: A total of 567 women with benign indications for hysterectomy underwent the TLH procedure using the Hohl instrument between January 2005 and July 2009. The laparoscopic approach was used when the patient had undergone more than one previous pelvic abdominal operation, when an adnexal finding was present, and/or if the patient had reduced vaginal capacity., Results: One ureteral injury (0.18%), four bladder injuries (0.71%), one small-bowel injury (0.18%), one vaginal injury (0.18%), and one conversion to abdominal hysterectomy (0.18%) occurred. The general complication rate during surgery was 1.42%, whereas in the postoperative period was 3.19%. The mean loss of hemoglobin was 1.47 g/dL (SD 1.06), the mean operating time was 103.87 min (SD 43.89), and the mean uterus weight was 241.41 g (SD 196.73)., Conclusions: Total laparoscopic hysterectomy using the Hohl instrument simplifies the surgical procedure. The technique reported here is safe and effective in preventing ureteral complications during TLH, even in a university training program.

Published
2012
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32. Tip60 is a cell-type-specific transcriptional regulator.

Author

Hlubek F, Löhberg C, Meiler J, Jung A, Kirchner T, and Brabletz T

Subjects
Acetyltransferases genetics, Blotting, Western, CD4 Antigens genetics, Enhancer Elements, Genetic genetics, Gene Products, tat agonists, Gene Products, tat antagonists & inhibitors, Gene Products, tat metabolism, HIV Long Terminal Repeat genetics, HeLa Cells, Histone Acetyltransferases, Homeodomain Proteins genetics, Homeodomain Proteins metabolism, Humans, Jurkat Cells, Lysine Acetyltransferase 5, Mutation genetics, Organ Specificity, Promoter Regions, Genetic genetics, Protein Binding, Repressor Proteins genetics, Repressor Proteins metabolism, Transcription Factors genetics, Transfection, Two-Hybrid System Techniques, Zinc Finger E-box-Binding Homeobox 1, Acetyltransferases metabolism, Gene Expression Regulation, Saccharomyces cerevisiae Proteins, Transcription Factors metabolism, Transcription, Genetic
Abstract

Tip60 was originally identified as cellular HIV-Tat interacting protein and has been shown to augment Tat-dependent transcription. It has also been shown to interact with various cellular transcription factors and to belong to the nuclear histone acetyltransferase (HAT) family. To further elucidate the function of Tip60 and its HAT domain in transcription regulation, we compared Tip60 activity in HeLa and Jurkat T lymphoma cells. Here we show that Tip60 augments the HIV-1 Tat activity at the HIV-LTR promoter in HeLa but inhibits it in Jurkat cells. Moreover, we isolated two new variants of the Tip60 protein (Tip60Delta1, Tip60Delta2) from Jurkat cells. The Tip60Delta2 variant lacks the entire HAT domain but modulates HIV-1 Tat activity like full-length Tip60. In addition, Tip60 and the transcriptional repressor ZEB (zinc finger E box binding protein) interact specifically in the yeast two-hybrid system and additively inhibit the CD4 enhancer/promoter activity in Jurkat cells. Thus, Tip60 may function as corepressor of the ZEB protein. In summary, these data show that Tip60 functions as a cell-type-specific transcriptional regulator and that the HAT domain is not required for either transcriptional activation or inhibition. This indicates that Tip60 may function by recruiting additional cell-type-specific cofactors.

Published
2001
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