Interleukin 8 activity influences the efficacy of adenoviral oncolytic immunotherapy in cancer patients
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Taipale , K , Tähtinen , S , Havunen , R , Koski , A , Liikanen , I , Pakarinen , P , Koivisto-Korander , R , Kankainen , M , Joensuu , T , Kanerva , A & Hemminki , A 2018 , ' Interleukin 8 activity influences the efficacy of adenoviral oncolytic immunotherapy in cancer patients ' , Oncotarget , vol. 9 , no. 5 , pp. 6320-6335 . https://doi.org/10.18632/oncotarget.23967
| Title: | Interleukin 8 activity influences the efficacy of adenoviral oncolytic immunotherapy in cancer patients |
| Author: | Taipale, Kristian; Tähtinen, Siri; Havunen, Riikka; Koski, Anniina; Liikanen, Ilkka; Pakarinen, Päivi; Koivisto-Korander, Riitta; Kankainen, Matti; Joensuu, Timo; Kanerva, Anna; Hemminki, Akseli |
| Contributor: | University of Helsinki, Akseli Eetu Hemminki / Principal Investigator University of Helsinki, Akseli Eetu Hemminki / Principal Investigator University of Helsinki, Akseli Eetu Hemminki / Principal Investigator University of Helsinki, HUS Neurocenter University of Helsinki, Akseli Eetu Hemminki / Principal Investigator University of Helsinki, HUS Gynecology and Obstetrics University of Helsinki, HUS Gynecology and Obstetrics University of Helsinki, Institute for Molecular Medicine Finland University of Helsinki, Docrates Cancer Center, Helsinki University of Helsinki, Akseli Eetu Hemminki / Principal Investigator University of Helsinki, Department of Oncology |
| Date: | 2018 |
| Language: | eng |
| Number of pages: | 16 |
| Belongs to series: | Oncotarget |
| ISSN: | 1949-2553 |
| URI: | http://hdl.handle.net/10138/299674 |
| Abstract: | After the landmark approval of T-VEC, oncolytic viruses are finding their way to the clinics. However, response rates have still room for improvement, and unfortunately there are currently no available markers to predict responses for oncolytic immunotherapy. Interleukin 8 (IL-8) production is upregulated in many cancers and it also connects to several pathways that have been shown to impair the efficacy of adenoviral immunotherapy. We studied the role of IL-8 in 103 cancer patients treated with oncolytic adenoviruses. We found high baseline serum IL-8 concentration to be independently associated with poor prognosis (p <0.001). Further, normal baseline IL-8 was associated with improved prognostic potential of calculation of the neutrophil-to-lymphocyte ratio (p <0.001). Interestingly, a decrease in IL-8 concentration after treatment with oncolytic adenovirus predicted better overall survival (p <0.001) and higher response rate, although this difference was not significant (p=0.066). We studied the combination of adenovirus and IL-8 neutralizing antibody ex vivo in single cell suspensions and in co-cultures of tumor-associated CD15+ neutrophils and CD3+ tumor-infiltrating lymphocytes derived from fresh patient tumor samples. These results indicate a role for IL-8 as a biomarker in oncolytic virotherapy, but additionally provide a rationale for targeting IL-8 to improve treatment efficacy. In conclusion, curtailing the activity of IL-8 systemically or locally in the tumor microenvironment could improve anti-tumor immune responses resulting in enhanced efficacy of adenoviral immunotherapy of cancer. © Taipale et al. |
| Subject: |
chemokine receptor CXCR1
chemokine receptor CXCR2 interleukin 8 neutralizing antibody oncolytic adenovirus, Article cancer immunotherapy cancer patient cancer prognosis cancer survival CD3+ T lymphocyte cell culture cohort analysis cytokine production disease association drug efficacy ex vivo study human human cell human tissue major clinical study malignant neoplasm microarray analysis neutrophil lymphocyte ratio oncolytic virotherapy ovary tumor overall survival protein blood level treatment response tumor associated leukocyte 3122 Cancers |
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