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PACER lncRNA regulates COX-2 expression in lung cancer cells
Oncotarget. 2022 Feb 4;13:291-306. doi: 10.18632/oncotarget.28190. eCollection 2022.ABSTRACTLong noncoding RNAs (lncRNAs) are known to regulate gene expression; however, in many cases, the mechanism of this regulation is unknown. One novel lncRNA relevant to inflammation and arachidonic acid (AA) metabolism is the p50-associated COX-2 extragenic RNA (PACER). We focused our research on the regulation of PACER in lung cancer. While the function of PACER is not entirely understood, PACER is known to play a role in inflammation-associated conditions. Our data suggest that PACER is critically involved in COX-2 transcription and...
Source: Oncotarget - February 9, 2022 Category: Cancer & Oncology Authors: Samuel Z Desind Joseph R Iacona Christina Y Yu Antonina Mitrofanova Carol S Lutz Source Type: research

Myeloid Derived Suppressor Cells Interactions With Natural Killer Cells and Pro-angiogenic Activities: Roles in Tumor Progression
Conclusions MDSC are major players in the immunosuppressive scenario in cancer, thanks to their phenotype heterogeneity and critical interaction with several innate immune cells, thus representing a crucial target in oncology. Here we reviewed the interactions of MDSCs with NK cells. The contribution of key cytokines, chemokines and mediators active in this process have been discussed. We also described the contribution of MDSC on angiogenesis directly or indirectly through interactions with NK and immunosuppressive activities. A parallel of the cancer associated to the decidual counterpart of these cells is discussed, a...
Source: Frontiers in Immunology - April 17, 2019 Category: Allergy & Immunology Source Type: research

Abstract B114: c-Rel is a critical mediator of NF-{kappa}B dependent TRAIL resistance of pancreatic cancer cells
In conclusion, we were able to delineate a novel c-Rel, NFATc2 and COX-2 dependent anti-apoptotic signalling pathway in PDAC with broad clinical implications for pharmaceutical intervention strategies.Citation Format: Claudia Geismann, Frauke Grohmann, Robert Häsler, Philip Rosenstiel, Günter Schneider, Sebastian Zeissig, Stefan Schreiber, Heiner Schäfer, Alexander Arlt. c-Rel is a critical mediator of NF-κB dependent TRAIL resistance of pancreatic cancer cells. [abstract]. In: Proceedings of the AACR Special Conference on Pancreatic Cancer: Innovations in Research and Treatment; May 18-21, 2014; New Orleans, LA. Phila...
Source: Cancer Research - June 30, 2015 Category: Cancer & Oncology Authors: Geismann, C., Grohmann, F., Hasler, R., Rosenstiel, P., Schneider, G., Zeissig, S., Schreiber, S., Schafer, H., Arlt, A. Tags: Other Topics Source Type: research

Abstract 2273: c-Rel is a critical mediator of NF-{kappa}B-dependent apoptosis resistance of pancreatic cancer cells against TRAIL
In conclusion, c-Rel is a critical mediator of NF-κB dependent anti-apoptotic signalling in PDAC through activation of NFATc2 and COX-2. Citation Format: Claudia Geismann, Frauke Grohmann, Gabriele Wirths, Susanne Sebens, Anita Dreher, Robert Häsler, Sebastian Zeissig, Stefan Schreiber, Philip Rosenstiel, Heiner Schäfer, Alexander Arlt. c-Rel is a critical mediator of NF-κB-dependent apoptosis resistance of pancreatic cancer cells against TRAIL. [abstract]. In: Proceedings of the 105th Annual Meeting of the American Association for Cancer Research; 2014 Apr 5-9; San Diego, CA. Philadelphia (PA): AACR; Cancer Res 2014;7...
Source: Cancer Research - September 30, 2014 Category: Cancer & Oncology Authors: Geismann, C., Grohmann, F., Wirths, G., Sebens, S., Dreher, A., Hasler, R., Zeissig, S., Schreiber, S., Rosenstiel, P., Schafer, H., Arlt, A. Tags: Molecular and Cellular Biology Source Type: research