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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 03975nam a2200349 4500 | |
| 001 | oai:gup.ub.gu.se/287479 | |
| 003 | SwePub | |
| 008 | 240528s2019 | |||||||||||000 ||eng| | |
| 020 | a 9789178336937 | |
| 024 | 7 | a 2077/618252 hdl |
| 024 | 7 | a https://gup.ub.gu.se/publication/2874792 URI |
| 040 | a (SwePub)gu | |
| 041 | a eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a vet2 swepub-contenttype |
| 072 | 7 | a dok2 swepub-publicationtype |
| 100 | 1 | a Forsberg, Elinu Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för kirurgi,Institute of Clinical Sciences, Department of Surgery4 aut0 (Swepub:gu)xsoelz |
| 245 | 1 0 | a Novel immunotherapies for metastatic melanoma - from mouse models towards clinical trials |
| 264 | 1 | b Göteborgs universitet,c 2019 |
| 520 | a Immunotherapies including checkpoint blockade and adoptive T cell transfer (ACT) show great promise for the treatment of melanoma, with long-term effects in some patients. However, around half of the patients with metastatic malignant melanoma will not be cured with available therapies today, and these patients require other treatment strategies. For metastatic uveal melanoma (a rare melanoma of the eye), available immunotherapies are less effective, and there is currently no approved therapy for these patients. To be able to study immunotherapies in mice, we in Paper I developed an immune-humanized mouse model called patient-derived xenograft (PDX) version 2 (PDXv2). In this model, tumor cells and tumor infiltrating lymphocytes (TILs) from the same patient were grafted in IL-2 transgenic NOD/SCID IL2 receptor gamma knockout (NOG) mice, and we found that responses in the mouse model correlated to responses in the corresponding patients in a clinical trial of ACT. So far, no chimeric antigen receptor T cell (CAR-T) therapy is approved for use in solid tumors. In Paper II we tested the potential for CAR-T therapy in melanoma. First, we used TCGA to determine the expression in melanoma biopsies of targets for commercially available CAR-T cells. We found that HER2 is expressed in both cutaneous and uveal melanoma biopsies. HER2 CAR-T cells were then used to treat skin melanoma and uveal melanoma patient-derived xenografts in the PDXv2 mouse model resulting in curative responses, even in models resistant to TIL therapy. However, CAR-T cells were only effective in IL-2 transgenic mice and not in regular NOG mice. In order to facilitate translation of the findings from Paper II into a treatment strategy for patients with melanoma, we developed CAR-expressing autologous TILs (called CAR-TILs). In Paper III, we demonstrate that this strategy could overcome resistance to treatment with autologous TILs in melanoma. Current CAR-T therapies use blood-derived T cells as a substrate for CAR-T cell production. We hypothesized that by using TILs instead, we might facilitate homing to the tumor and potentially also utilize the fact that some TILs can recognize melanoma antigens, enabling a dual targeting of CAR-TILs. We also developed an automated production protocol for TILs and CAR-TILs utilizing a bioreactor, enabling safe and less variable production of the drug product. | |
| 650 | 7 | a MEDICIN OCH HÄLSOVETENSKAPx Medicinska och farmaceutiska grundvetenskaperx Immunologi inom det medicinska området0 (SwePub)301102 hsv//swe |
| 650 | 7 | a MEDICAL AND HEALTH SCIENCESx Basic Medicinex Immunology in the medical area0 (SwePub)301102 hsv//eng |
| 653 | a Metastatic melanoma | |
| 653 | a uveal melanoma | |
| 653 | a patient-derived xenograft | |
| 653 | a immune-humanized mouse model | |
| 653 | a immunotherapy | |
| 653 | a adoptive T cell therapy | |
| 653 | a tumor-infiltrating lymphocytes | |
| 653 | a chimeric antigen receptor T (CAR-T) cells | |
| 710 | 2 | a Göteborgs universitetb Institutionen för kliniska vetenskaper, Avdelningen för kirurgi4 org |
| 856 | 4 8 | u https://gup.ub.gu.se/publication/287479 |
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