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https://www.readbyqxmd.com/read/29225605/the-state-of-cellular-adoptive-immunotherapy-for-neuroblastoma-and-other-pediatric-solid-tumors
#1
Thanh-Phuong Le, To-Ha Thai
Research on adult cancer immunotherapy is proceeding at a rapid pace resulting in an impressive success rate exemplified by a few high profile cases. However, this momentum is not readily extended to pediatric immunotherapy, and it is not for lack of trying. Though reasons for the slower advance are not apparent, some issues can be raised. Pediatric cancer patients represent a distinct demographic group whose immune system is inherently different from that of mature adults. Treating pediatric patients with immunotherapy designed for adults may not yield objective clinical responses...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29222325/cells-to-prevent-treat-relapse-following-allogeneic-stem-cell-transplantation
#2
REVIEW
Andrew C Dietz, Alan S Wayne
Relapse of cancer remains one of the primary causes of treatment failure and mortality after allogeneic hematopoietic stem cell transplantation (HSCT). A multitude of approaches have been used in the management of posttransplant relapse. This review focuses on recent data with cellular therapies designed to treat or prevent posttransplant relapse of hematologic malignancies, although many of these therapeutic approaches also have applications to solid tumors and in the nontransplant setting. Currently available cell therapies include second transplant, natural killer cells, monocyte-derived dendritic cell vaccines, and lymphocytes via donor lymphocyte infusion, antigen-primed cytotoxic T lymphocytes, cytokine-induced killer cells, marrow-infiltrating lymphocytes, and chimeric antigen receptor T cells...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/29209568/phenotype-and-tissue-distribution-of-cd28h-immune-cell-subsets
#3
Joel Crespo, Linda Vatan, Tomasz Maj, Rebecca Liu, Ilona Kryczek, Weiping Zou
CD28H is a newly discovered co-receptor of the human B7 family. CD28H interacts with its ligand B7-H5 and regulates T cell response. Here we showed that CD28H was not expressed on granulocytes, monocytes, myeloid dendritic cells (MDCs), and B cells, but constitutively expressed with moderate levels on memory T cells and with high levels on naïve T cells, innate lymphoid cells (ILCs), natural killer (NK) cells, and plasmacytoid dendritic cells (PDCs) in human peripheral blood. Similar CD28H+ cell profile existed in secondary lymphoid organs and pathological tissues including multiple types of cancers...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/29209309/new-directions-for-natural-killer-t-cells-in-the-immunotherapy-of-cancer
#4
Luc Teyton
Natural killer T (NKT) cells have been placed at the interface between innate and adaptive immunity by a long series of experiments that convincingly showed that beyond cytokine secretion and NK cell recruitment, NKT cells were coordinating dendritic cell and B cell maturation through direct membrane contacts and initiate productive responses. As such, NKT cells are the cellular adjuvant of many immune reactions and have functions that go much beyond what their name encapsulates. In addition, the initial discovery of the ligands of NKT cells is deeply linked to cancer biology and therapy...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29204089/subpopulations-of-natural-killer-t-like-cells-before-and-after-surgical-treatment-of-laryngeal-cancer
#5
Janusz Klatka, Ewelina Grywalska, Anna Hymos, Ewelina Krasowska, Michał Mielnik, Dorota Siwicka-Gieroba, Justyna Markowicz, Piotr Trojanowski, Witold Olszański, Jacek Roliński
Introduction: Tumours connected with head and neck comprise about 5% of all tumours. The most frequent histological type of laryngeal carcinoma is squamous cell carcinoma. Different research projects suggest that the role of T lymphocytes might be significant in tumour development. iNKT cells are a new subpopulation of T cells and show cytotoxic activity against tumours. iNKT cells participate in modulating the function of other cells which have anti-tumour properties and secrete cytokines, which have pro-inflammatory and anti-inflammatory effects...
2017: Central-European Journal of Immunology
https://www.readbyqxmd.com/read/29203668/epigenetic-therapy-activates-type-i-interferon-signaling-in-murine-ovarian-cancer-to-reduce-immunosuppression-and-tumor-burden
#6
Meredith L Stone, Katherine B Chiappinelli, Huili Li, Lauren M Murphy, Meghan E Travers, Michael J Topper, Dimitrios Mathios, Michael Lim, Ie-Ming Shih, Tian-Li Wang, Chien-Fu Hung, Vipul Bhargava, Karla R Wiehagen, Glenn S Cowley, Kurtis E Bachman, Reiner Strick, Pamela L Strissel, Stephen B Baylin, Cynthia A Zahnow
Ovarian cancer is the most lethal of all gynecological cancers, and there is an urgent unmet need to develop new therapies. Epithelial ovarian cancer (EOC) is characterized by an immune suppressive microenvironment, and response of ovarian cancers to immune therapies has thus far been disappointing. We now find, in a mouse model of EOC, that clinically relevant doses of DNA methyltransferase and histone deacetylase inhibitors (DNMTi and HDACi, respectively) reduce the immune suppressive microenvironment through type I IFN signaling and improve response to immune checkpoint therapy...
December 4, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29194798/efficacy-and-tolerance-of-geloxd-p-gemoxd-in-newly-diagnosed-nasal-type-extranodal-nk-t-cell-lymphoma-a-multicenter-retrospective-study
#7
Ji-Wei Li, Ya-Jun Li, Mei-Zuo Zhong, Xian-Ling Liu, Jin Li, Kun-Lun Li, Xi-Yu Liu, Fang Zhou, Zhou OuYang, Zhong-Yi Sun, Li-Jun Huang, Jun-Qiao He, Hui Zhou, Ping-Yong Yi
OBJECTIVES: Nasal-type extranodal natural killer NK/T-cell lymphoma (ENKTCL) is a distinct type of non-Hodgkin lymphoma with poor prognosis. This research aimed to evaluate the efficacy and safety of the GELOXD or P-GEMOXD regimens in patients with ENKTCL. METHODS: Newly diagnosed ENKTCL patients treated with either the GELOXD or the P-GEMOXD regimen were identified from three cancer centers between January 2010 and December 2016. Kaplan-Meier and Cox regression analyses were used to calculate overall survival (OS), progression-free survival (PFS), and to investigate prognostic factors...
November 30, 2017: European Journal of Haematology
https://www.readbyqxmd.com/read/29190934/red-blood-cell-distribution-width-as-a-predictor-of-survival-in-nasal-type-extranodal-natural-killer-t-cell-lymphoma
#8
Huaichao Luo, Xiaoying Quan, Xiao-Yu Song, Li Zhang, Yilin Yin, Qiao He, Shaolei Cai, Shi Li, Jian Zeng, Qing Zhang, Yu Gao, Sisi Yu
We retrospectively enrolled 191 nasal-type, extranodal natural killer/T-cell lymphoma (ENKTL) patients newly diagnosed from 2008 to 2016 at the Sichuan Cancer Hospital, in order to evaluate the relationship between disease outcomes, demographic and clinical factors, and red blood cell distribution width (RDW). C-index, fisher's exact test, univariate analysis, and cox regression analysis were applied. The median age of patients was 44 years and 134 (70%) were men. The cutoff of RDW was 46.2 fL determined by Cutoff Finder...
November 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29189387/ex-vivo-expanded-natural-killer-cells-derived-from-long-term-cryopreserved-cord-blood-are-cytotoxic-against-primary-breast-cancer-cells
#9
Tina Nham, Sophie M Poznanski, Isabella Y Fan, Fatemeh Vahedi, Mira M Shenouda, Amanda J Lee, Marianne V Chew, Richard T Hogg, Dean A Lee, Ali A Ashkar
With over 600,000 units of umbilical cord blood (CB) stored on a global scale, it is important to elucidate the therapeutic abilities of this cryopreserved reservoir. In the advancing field of natural killer (NK) cell cancer immunotherapy, CB has proven to be a promising and noninvasive source of therapeutic NK cells. Although studies have proven the clinical efficacy of using long-term cryopreserved CB in the context of hematopoietic stem cell transplantations, little is known about its use for the ex vivo expansion of effector immune cells...
November 17, 2017: Journal of Immunotherapy
https://www.readbyqxmd.com/read/29181186/enhanced-antitumor-effects-and-improved-immune-status-of-dendritic-cell-and-cytokine-induced-killer-cell-infusion-in-advanced-cancer-patients
#10
Feng Chen, Menghan Yang, Qingkun Song, Jiangping Wu, Xiaoli Wang, Xinna Zhou, Yanhua Yuan, Yuguang Song, Ni Jiang, Yanjie Zhao, Lei Zhou, Jun Ren
Little progress has been made in the treatment of advanced cancer. Dendritic cells (DCs) plus cytokine-induced killer (CIK) cells have exhibited antitumor effects. Thus, the aim of the present study was to evaluate the clinical efficacy of DC-CIK cell treatment in patients with advanced cancer. A paired study including 57 patients treated with DC-CIK cells (DC-CIK group) and 33 patients treated with best supportive care alone (BSC group) was performed. The patients in the DC-CIK group were matched to those in the control group in terms of sex, age, tumor type and clinical stage...
November 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29181007/interplay-between-natural-killer-cells-and-anti-her2-antibodies-perspectives-for-breast-cancer-immunotherapy
#11
REVIEW
Aura Muntasell, Mariona Cabo, Sonia Servitja, Ignasi Tusquets, María Martínez-García, Ana Rovira, Federico Rojo, Joan Albanell, Miguel López-Botet
Overexpression of the human epidermal growth factor receptor 2 (HER2) defines a subgroup of breast tumors with aggressive behavior. The addition of HER2-targeted antibodies (i.e., trastuzumab, pertuzumab) to chemotherapy significantly improves relapse-free and overall survival in patients with early-stage and advanced disease. Nonetheless, considerable proportions of patients develop resistance to treatment, highlighting the need for additional and co-adjuvant therapeutic strategies. HER2-specific antibodies can trigger natural killer (NK) cell-mediated antibody-dependent cellular cytotoxicity and indirectly enhance the development of tumor-specific T cell immunity; both mechanisms contributing to their antitumor efficacy in preclinical models...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29179214/cetuximab-enhanced-the-cytotoxic-activity-of-immune-cells-during-treatment-of-colorectal-cancer
#12
Lin Wang, Yingfeng Wei, Weijia Fang, Chong Lu, Jianing Chen, Guangying Cui, Hongyan Diao
BACKGROUND/AIMS: Cetuximab is a chimeric IgG1 monoclonal antibody which targets the extracellular domain of epidermal growth factor receptor. This antibody is widely used for colorectal cancer (CRC) treatment but its influence on the immune system is incompletely understood. METHODS: The immune influence of cetuximab therapy in CRC patients was investigated by analyzing peripheral blood mononuclear cells using flow cytometry. We undertook in vitro cytotoxicity and cytokine-profile assays to ascertain the immunomodulatory effect of cetuximab treatment...
November 27, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29175858/gelsolin-regulates-proliferation-apoptosis-and-invasion-in-nk-t-cell-lymphoma-cells
#13
Yanwei Guo, Hongqiao Zhang, Xin Xing, Lijuan Wang, Jian Zhang, Lin Yan, Xiaoke Zheng, Mingzhi Zhang
The expression of gelsolin (GSN) is abnormal in many cancers, including extranodal nasal-type natural killer/T-cell lymphoma (NKTCL). However, the biological function of GSN and its mechanism in NKTCL remain unclear. We found GSN overexpression significantly suppressed cell proliferation, colony formationand invasion and promoted apoptosis of YTS cells. Moreover, the upregulation of GSN significantly decreased the protein levels of PI3K and p-AKT. Interestingly, blocking the PI3K/AKT signaling pathway significantly inhibited cell proliferation and invasion and promoted apoptosis of YTS cells...
November 24, 2017: Biology Open
https://www.readbyqxmd.com/read/29168430/triple-negative-breast-cancer-prognostic-role-of-immune-related-factors-a-systematic-review
#14
Elisabeth Specht Stovgaard, Dorte Nielsen, Estrid Hogdall, Eva Balslev
PURPOSE: Treatment of breast cancer has been increasingly successful in recent years with the advent of HER2-receptor targeted treatment and endocrine treatment. However, the triple negative subgroup of breast cancer (TNBC) (estrogen-, progesterone- and HER2-receptor negative) still lacks targeted treatment options. TNBC is a type of breast cancer that often affects younger women, and generally has a worse prognosis than other types of breast cancer. Recently, the complex role of the immune system in cancer growth, elimination and metastasis has been the object of increased attention...
November 23, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/29165150/search-for-biomarkers-of-asbestos-exposure-and-asbestos-induced-cancers-in-investigations-of-the-immunological-effects-of-asbestos
#15
REVIEW
Hidenori Matsuzaki, Naoko Kumagai-Takei, Suni Lee, Megumi Maeda, Nagisa Sada, Tamayo Hatayama, Shoko Yamamoto, Miho Ikeda, Kei Yoshitome, Yu Min, Yasumitsu Nishimura, Takemi Otsuki
The immunological effects of asbestos exposure on various lymphocytes such as the regulatory T cell (Treg), responder CD4+ T helper cell (Tresp), CD8+ cytotoxic T lymphocytes (CTL), and natural killer (NK) cells were investigated. Results show that asbestos exposure impairs antitumor immunity through enhancement of regulatory T cell function and volume, reduction of CXCR3 chemokine receptor in responder CD4+ T helper cells, and impairment of the killing activities of CD8+ cytotoxic T lymphocytes (CTL) and NK cells...
June 9, 2017: Environmental Health and Preventive Medicine
https://www.readbyqxmd.com/read/29163783/abundant-expression-of-tim-3-lag-3-pd-1-and-pd-l1-as-immunotherapy-checkpoint-targets-in-effusions-of-mesothelioma-patients
#16
Elly Marcq, Jorrit De Waele, Jonas Van Audenaerde, Eva Lion, Eva Santermans, Niel Hens, Patrick Pauwels, Jan P van Meerbeeck, Evelien L J Smits
Malignant pleural mesothelioma (MPM) is an aggressive cancer with an increasing incidence, poor prognosis and limited effective treatment options. Hence, new treatment strategies are warranted which include immune checkpoint blockade approaches with encouraging preliminary data. Research on the immunological aspects of the easily accessible mesothelioma microenvironment could identify prognostic and/or predictive biomarkers and provide useful insights for developing effective immunotherapy. In this context, we investigated the immune cell composition of effusions (pleural and ascites fluids) from 11 different chemotherapy-treated MPM patients...
October 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/29163540/local-high-dose-radiotherapy-induces-systemic-immunomodulating-effects-of-potential-therapeutic-relevance-in-oligometastatic-breast-cancer
#17
Elena Muraro, Carlo Furlan, Michele Avanzo, Debora Martorelli, Elisa Comaro, Aurora Rizzo, Damiana A Fae', Massimiliano Berretta, Loredana Militello, Alessandro Del Conte, Simon Spazzapan, Riccardo Dolcetti, Marco Trovo'
Local irradiation of cancer through radiotherapy can induce spontaneous regression of non-directly irradiated lesions, suggesting the involvement of systemic antitumor immune responses. In oligometastatic breast cancer (BC) patients, the use of stereotactic body radiotherapy (SBRT) favors the local control of treated lesions and may contribute to break local tolerance and release tumor-associated antigens (TAAs), improving host antitumor immunity. We performed a detailed immunomonitoring of BC patients undergoing SBRT to verify its ability to "switch on" the anti-tumor immunity both systemically, in peripheral blood, and locally, employing in vitro BC models...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29163518/mixed-signals-co-stimulation-in-invariant-natural-killer-t-cell-mediated-cancer-immunotherapy
#18
REVIEW
Susannah C Shissler, Michael S Lee, Tonya J Webb
Invariant natural killer T (iNKT) cells are an integral component of the immune system and play an important role in antitumor immunity. Upon activation, iNKT cells can directly kill malignant cells as well as rapidly produce cytokines that stimulate other immune cells, making them a front line defense against tumorigenesis. Unfortunately, iNKT cell number and activity are reduced in multiple cancer types. This anergy is often associated with upregulation of co-inhibitory markers such as programmed death-1...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29163493/alpha-galactosylceramide-cd1d-antibody-fusion-proteins-redirect-invariant-natural-killer-t-cell-immunity-to-solid-tumors-and-promote-prolonged-therapeutic-responses
#19
REVIEW
Lianjun Zhang, Alena Donda
Major progress in cancer immunotherapies have been obtained by the use of tumor targeting strategies, in particular with the development of bi-functional fusion proteins such as ImmTacs or BiTes, which engage effector T cells for targeted elimination of tumor cells. Given the significance of invariant natural killer T (iNKT) cells in bridging innate and adaptive immunity, we have developed a bi-functional protein composed of the extracellular part of CD1d molecule that was genetically fused to an scFv fragment from high affinity antibodies against HER2 or CEA...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29158791/correlation-of-cancer-stem-cell-markers-and-immune-cell-markers-in-resected-non-small-cell-lung-cancer
#20
Zhaoqin Huang, Haining Yu, Jianbo Zhang, Haiyan Jing, Wanqi Zhu, Xiaolin Li, Lingling Kong, Ligang Xing, Jinming Yu, Xiangjiao Meng
Background: Recent studies confirmed that immunotherapy showed prominent efficacy in non-small cell lung cancer (NSCLC). Cancer stem cells/cancer initiating cells are resistant to anticancer treatment. The purpose of the study was to analyze the correlation of cancer stem cells/cancer initiating cells and tumor-infiltrating immune cells in NSCLC. Methods: CD133, octamer 4 (OCT-4), CD8, CD56, human leukocyte antigen (HLA) class I and programmed death ligand-1 (PD-L1) were assessed in 172 resected NSCLC samples...
2017: Journal of Cancer
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