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https://www.readbyqxmd.com/read/28210259/resolution-of-cancer-promoting-inflammation-a-new-approach-for-anticancer-therapy
#1
REVIEW
Qi Zhang, Bo Zhu, Yongsheng Li
Inflammation is a protective response that eliminates harmful stimuli and restores tissue homeostasis, whereas the failure to resolve inflammation leads to the development of malignancies. Immune cells in the tumor inflammatory microenvironment endow cancer cells with their specific hallmarks, including mutations, metabolic reprograming, angiogenesis, invasion, and metastasis. Targeting the inflammatory microenvironment with anti-inflammatory drugs (e.g., aspirin) or by enhancing antitumor immunity (e.g., chimeric antigen receptor T cell therapy) has been extensively investigated and has achieved promising results in many cancers...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28205134/minimal-residual-disease-in-acute-lymphoblastic-leukemia-how-to-recognize-and-treat-it
#2
REVIEW
Nicholas J Short, Elias Jabbour
In recent years, the identification of minimal residual disease (MRD) that persists after chemotherapy has emerged as the most powerful tool in determining the prognosis of patients with ALL, often superseding historically relevant prognostic factors. Multiple methods to detect MRD exist, each with their own advantages and disadvantages. Multiparameter flow cytometry and quantitative polymerase chain reaction are the most commonly used methods of MRD detection in clinical practice, although there is promise in the use of more sensitive assays utilizing next-generation sequencing that may be able to further refine MRD-based risk stratification...
January 2017: Current Oncology Reports
https://www.readbyqxmd.com/read/28202953/fully-human-cd19-specific-chimeric-antigen-receptors-for-t-cell-therapy
#3
D Sommermeyer, T Hill, S M Shamah, A I Salter, Y Chen, K M Mohler, S R Riddell
Impressive results have been achieved by adoptively transferring T-cells expressing CD19-specific CARs with binding domains from murine mAbs to treat B-cell malignancies. T-cell mediated immune responses specific for peptides from the murine scFv antigen-binding domain of the CAR can develop in patients and result in premature elimination of CAR-T-cells increasing the risk of tumor relapse. As fully human scFv might reduce immunogenicity, we generated CD19-specific human scFvs with similar binding characteristics as the murine FMC63-derived scFv using human Ab/DNA-libraries...
February 16, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28201977/targeting-the-immune-niche-within-the-bone-marrow-microenvironment-the-rise-of-immunotherapy-in-multiple-myeloma
#4
Klaus Podar, D Jäger
Multiple Myeloma (MM) cells inhibit the development of an effective anti-MM immune response via defects in T cell function, ineffective antigen presentation; reduced phagocytic capacity; natural killer and dendritic cell dysfunction; decreased responsiveness to IL-2 and defects in B cell immunity; upregulation of inhibitory pathways; and production of excessive pro-inflammatory cytokines. Moreover, immune cells including plasmacytoid dendritic cells and macrophages trigger tumor cell proliferation, survival, and drug resistance...
February 13, 2017: Current Cancer Drug Targets
https://www.readbyqxmd.com/read/28199983/a-versatile-system-for-rapid-multiplex-genome-edited-car-t-cell-generation
#5
Jiangtao Ren, Xuhua Zhang, Xiaojun Liu, Chongyun Fang, Shuguang Jiang, Carl H June, Yangbing Zhao
The therapeutic potential of CRISPR system has already been demonstrated in many instances and begun to overlap with the rapidly expanding field of cancer immunotherapy, especially on the production of genetically modified T cell receptor or chimeric antigen receptor (CAR) T cells. Efficient genomic disruption of multiple gene loci to generate universal donor cells, as well as potent effector T cells resistant to multiple inhibitory pathways such as PD-1 and CTLA4 is an attractive strategy for cell therapy...
February 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28199393/correction-in-vitro-pre-clinical-validation-of-suicide-gene-modified-anti-cd33-redirected-chimeric-antigen-receptor-t-cells-for-acute-myeloid-leukemia
#6
Kentaro Minagawa, Muhammad O Jamil, Mustafa Al-Obaidi, Larisa Pereboeva, Donna Salzman, Harry P Erba, Lawrence S Lamb, Ravi Bhatia, Shin Mineishi, Antonio Di Stasi
[This corrects the article DOI: 10.1371/journal.pone.0166891.].
2017: PloS One
https://www.readbyqxmd.com/read/28196594/inactivation-of-interferon-receptor-promotes-the-establishment-of-immune-privileged-tumor-microenvironment
#7
Kanstantsin V Katlinski, Jun Gui, Yuliya V Katlinskaya, Angelíca Ortiz, Riddhita Chakraborty, Sabyasachi Bhattacharya, Christopher J Carbone, Daniel P Beiting, Melanie A Girondo, Amy R Peck, Ellen Puré, Priya Chatterji, Anil K Rustgi, J Alan Diehl, Constantinos Koumenis, Hallgeir Rui, Serge Y Fuchs
Refractoriness of solid tumors, including colorectal cancers (CRCs), to immunotherapies is attributed to the immunosuppressive tumor microenvironment that protects malignant cells from cytotoxic T lymphocytes (CTLs). We found that downregulation of the type I interferon receptor chain IFNAR1 occurs in human CRC and mouse models of CRC. Downregulation of IFNAR1 in tumor stroma stimulated CRC development and growth, played a key role in formation of the immune-privileged niche, and predicted poor prognosis in human CRC patients...
February 13, 2017: Cancer Cell
https://www.readbyqxmd.com/read/28187946/inducible-caspase-9-selectively-modulates-the-toxicities-of-cd19-specific-chimeric-antigen-receptor-modified-t-cells
#8
Iulia Diaconu, Brandon Ballard, Ming Zhang, Yuhui Chen, John West, Gianpietro Dotti, Barbara Savoldo
Immunotherapy with T cells expressing the chimeric antigen receptor (CAR) specific for the CD19 antigen (CD19.CAR-Ts) is a very effective treatment in B cell lymphoid malignancies. However, B cell aplasia and cytokine release syndrome (CRS) secondary to the infusion of CD19.CAR-Ts remain significant drawbacks. The inclusion of safety switches into the vector encoding the CAR is seen as the safest method to terminate the effects of CD19.CAR-Ts in case of severe toxicities or after achieving long-term sustained remissions...
February 8, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28187291/the-principles-of-engineering-immune-cells-to-treat-cancer
#9
REVIEW
Wendell A Lim, Carl H June
Chimeric antigen receptor (CAR) T cells have proven that engineered immune cells can serve as a powerful new class of cancer therapeutics. Clinical experience has helped to define the major challenges that must be met to make engineered T cells a reliable, safe, and effective platform that can be deployed against a broad range of tumors. The emergence of synthetic biology approaches for cellular engineering is providing us with a broadly expanded set of tools for programming immune cells. We discuss how these tools could be used to design the next generation of smart T cell precision therapeutics...
February 9, 2017: Cell
https://www.readbyqxmd.com/read/28186088/current-status-of-immunotherapy-for-gastrointestinal-stromal-tumor
#10
REVIEW
Y Tan, J C Trent, B A Wilky, D A Kerr, A E Rosenberg
Gastrointestinal stromal tumors (GIST) contain tumor-infiltrating immune cells and their presence provides an opportunity and rationale for developing effective forms of immunotherapy. The types of tumor-infiltrating inflammatory cells and relevant immune checkpoint inhibitors are the focus of active investigation. The most numerous tumor-infiltrating inflammatory cells are tumor-associated macrophages (TAMs) and CD3+ T cells. Studies have shown that patients with GISTs that harbor increased numbers of CD3+ T cells have better outcomes...
February 10, 2017: Cancer Gene Therapy
https://www.readbyqxmd.com/read/28184969/augmented-anti-tumor-activity-of-nk-92-cells-expressing-chimeric-receptors-of-tgf-%C3%AE-r-ii-and-nkg2d
#11
Zhongjuan Wang, Linghua Guo, Yuan Song, Yinsheng Zhang, Dandan Lin, Bo Hu, Yu Mei, Dedy Sandikin, Haiyan Liu
The capacity of natural killer (NK) cells to kill tumor cells without specific antigen recognition provides an advantage over T cells and makes them potential effectors for tumor immunotherapy. However, the efficacy of NK cell adoptive therapy can be limited by the immunosuppressive tumor microenvironment. Transforming growth factor-β (TGF-β) is a potent immunosuppressive cytokine that can suppress NK cell function. To convert the suppressive signal induced by TGF-β to an activating signal, we genetically modified NK-92 cells to express a chimeric receptor with TGF-β type II receptor extracellular and transmembrane domains and the intracellular domain of NK cell-activating receptor NKG2D (TN chimeric receptor)...
February 9, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28183713/vaccination-targeting-native-receptors-to-enhance-the-function-and-proliferation-of-chimeric-antigen-receptor-car-modified-t-cells
#12
Miyuki Tanaka, Haruko Tashiro, Bilal Omer, Natasha Lapteva, Jun Ando, Minhtran Ngo, Birju Mehta, Gianpietro Dotti, Paul R Kinchington, Ann M Leen, Claudia Rossig, Cliona M Rooney
PURPOSE: The multiple mechanisms used by solid tumors to suppress tumor-specific immune responses are a major barrier to the success of adoptively-transferred tumor-specific T-cells. Since viruses induce potent innate and adaptive immune responses, we hypothesized that the immunogenicity of viruses could be harnessed for the treatment of solid tumors if virus-specific T-cells (VSTs) were modified with tumor-specific chimeric antigen receptors (CARs). We tested this hypothesis using VZV-specific T-cells (VZVSTs) expressing a CAR for GD2, a disialoganglioside expressed on neuroblastoma and certain other tumors, since the live-attenuated VZV vaccine could be used for in vivo stimulation...
February 9, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28175613/369%C3%A2-chimeric-antigen-receptors-deficient-in-lck-signaling-require-4-1bb-costimulation-to-expand-in-vivo-resist-regulatory-t-cell-suppression-and-treat-solid-tumors-in-immune-intact-hosts
#13
Carter M Suryadevara, Rupen Desai, Samuel Harrison Farber, Patrick C Gedeon, Adam Swartz, David Snyder, James Herndon, Patrick Healy, Bryan D Choi, Peter Edward Fecci, Luis Sanchez-Perez, John H Sampson
No abstract text is available yet for this article.
August 1, 2016: Neurosurgery
https://www.readbyqxmd.com/read/28169004/immunotherapy-in-ovarian-cancer
#14
Venkatesh Krishnan, Jonathan S Berek, Oliver Dorigo
Immunotherapy aims to develop combination approaches that simultaneously augment immunity while preventing local immune suppression. Despite advances in combinatorial chemotherapy regimens and the advent of intraperitoneal chemotherapy administration, current therapeutic options for patients with ovarian cancer are inadequate. Advances in immunotherapy offer a promising frontier for treating ovarian tumors. Multiple immunotherapeutic modalities are currently developed and tested in clinical trials. Antibody-based therapies, immune checkpoint blockade, cancer vaccines, and chimeric antigen receptor-modified T cells have demonstrated preclinical success and entered clinical testing...
November 15, 2016: Current Problems in Cancer
https://www.readbyqxmd.com/read/28165340/targeting-the-adenosine-2a-receptor-enhances-chimeric-antigen-receptor-t-cell-efficacy
#15
Paul A Beavis, Melissa A Henderson, Lauren Giuffrida, Jane K Mills, Kevin Sek, Ryan S Cross, Alexander J Davenport, Liza B John, Sherly Mardiana, Clare Y Slaney, Ricky W Johnstone, Joseph A Trapani, John Stagg, Sherene Loi, Lev Kats, David Gyorki, Michael H Kershaw, Phillip K Darcy
Chimeric antigen receptor (CAR) T cells have been highly successful in treating hematological malignancies, including acute and chronic lymphoblastic leukemia. However, treatment of solid tumors using CAR T cells has been largely unsuccessful to date, partly because of tumor-induced immunosuppressive mechanisms, including adenosine production. Previous studies have shown that adenosine generated by tumor cells potently inhibits endogenous antitumor T cell responses through activation of adenosine 2A receptors (A2ARs)...
February 6, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28154831/targeting-o-acetyl-gd2-ganglioside-for-cancer-immunotherapy
#16
REVIEW
Julien Fleurence, Sophie Fougeray, Meriem Bahri, Denis Cochonneau, Béatrice Clémenceau, François Paris, Andras Heczey, Stéphane Birklé
Target selection is a key feature in cancer immunotherapy, a promising field in cancer research. In this respect, gangliosides, a broad family of structurally related glycolipids, were suggested as potential targets for cancer immunotherapy based on their higher abundance in tumors when compared with the matched normal tissues. GD2 is the first ganglioside proven to be an effective target antigen for cancer immunotherapy with the regulatory approval of dinutuximab, a chimeric anti-GD2 therapeutic antibody. Although the therapeutic efficacy of anti-GD2 monoclonal antibodies is well documented, neuropathic pain may limit its application...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28153859/high-response-to-anti-cd19-car-therapy-in-dlbcl
#17
(no author information available yet)
According to an interim analysis of phase II data from a study of the anti-CD19 chimeric antigen receptor T-cell therapy KTE-C19, 76% of 51 patients with diffuse large B-cell lymphoma responded to the treatment; 47% had a complete response. After 3 months, 33% continued to experience a complete response.
February 2, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28151713/immune-therapies-in-multiple-myeloma
#18
EDITORIAL
Shaji K Kumar, Kenneth C Anderson
Treatment paradigms have changed rapidly for multiple myeloma, and immune therapies have taken center stage. Advances in therapies for myeloma have led to a dramatic improvement in the survival of patients with this incurable malignancy. The immune system is significantly impaired in patients with myeloma as a result of the disease leading to suppression of normal plasma cells as well the negative effects on cellular immunity. Given this scenario, immune approaches have not been successful until recently. Monoclonal antibodies directed against CD38 (daratumumab) and SLAMF7 (elotuzumab) are already in the clinic, and several other antibodies directed against different plasma cell antigens are under evaluation...
November 15, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28143740/engineering-hiv-resistant-anti-hiv-chimeric-antigen-receptor-t-cells
#19
Malika Hale, Taylor Mesojednik, Guillermo S Romano Ibarra, Jaya Sahni, Alison Bernard, Karen Sommer, Andrew M Scharenberg, David J Rawlings, Thor A Wagner
The treatment or cure of HIV infection by cell and gene therapy has been a goal for decades. Recent advances in both gene editing and chimeric antigen receptor (CAR) technology have created new therapeutic possibilities for a variety of diseases. Broadly neutralizing monoclonal antibodies (bNAbs) with specificity for the HIV envelope glycoprotein provide a promising means of targeting HIV-infected cells. Here we show that primary human T cells engineered to express anti-HIV CARs based on bNAbs (HIVCAR) show specific activation and killing of HIV-infected versus uninfected cells in the absence of HIV replication...
January 28, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28143567/allogeneic-cd19-car-t-cell-infusion-after-allogeneic-hematopoietic-stem-cell-transplantation-in-b-cell-malignancies
#20
REVIEW
Jun Liu, Jiang F Zhong, Xi Zhang, Cheng Zhang
BACKGROUND: Allogeneic hematopoietic stem cell transplantation (allo-HSCT) is considered the cornerstone in treatment of hematological malignancies. However, relapse of the hematological disease after allo-HSCT remains a challenge and is associated with poor long-term survival. Chimeric antigen receptor redirected T cells (CAR-T cells) can lead to disease remission in patients with relapsed/refractory hematological malignancies. However, the therapeutic window for infusion of CAR-T cells post allo-HSCT and its efficacy are debatable...
January 31, 2017: Journal of Hematology & Oncology
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