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Adoptive immunotherapy

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https://www.readbyqxmd.com/read/28105230/dendritic-cell-activated-cytokine-induced-killer-cell-mediated-immunotherapy-is-safe-and-effective-for-cancer-patients-65-years-old
#1
Yanfeng Liu, Haibo Liu, Hausheng Liu, Pengcheng He, Jing Li, Xin Liu, Limei Chen, Mengchang Wang, Jiejing Xi, Huaiyu Wang, Haitao Zhang, Ying Zhu, Wei Zhu, Jing Ning, Caili Guo, Chunhong Sun, Mei Zhang
Individuals >65 years old account for a large proportion of cancer patients, and usually have poor prognoses due to relative weaker physiological function and lower drug tolerance. To characterize the efficacy and safety of dendritic cell (DC)-activated cytokine-induced killer cell (CIK)-mediated treatment, and develop an adoptive immunotherapy for cancer patients >65 years old, a retrospective study was performed in 58 cancer sufferers who received 1-4 cycles of DC-activated CIK (DC-CIK) treatment and evaluated the response (tumor remission rate) and toxicity (side effects to the treatment)...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28098061/prostate-cancer-immunotherapy-particularly-in-combination-with-androgen-deprivation-or-radiation-treatment-customized-pharmacogenomic-approaches-to-overcome-immunotherapy-cancer-resistance
#2
REVIEW
C Alberti
Conventional therapeutic approaches for advanced prostate cancer - such as androgen deprivation, chemotherapy, radiation - come up often against lack of effectiveness because of possible arising of correlative cancer cell resistance and/or inadequate anti-tumor immune conditions. Whence the timeliness of resorting to immune-based treatment strategies including either therapeutic vaccination-based active immunotherapy or anti-tumor monoclonal antibody-mediated passive immunotherapy. Particularly attractive, as for research studies and clinical applications, results to be the cytotoxic T-lymphocyte check point blockade by the use of anti-CTLA-4 and PD-1 monoclonal antibodies, particularly when combined with androgen deprivation therapy or radiation...
September 2017: Il Giornale di Chirurgia
https://www.readbyqxmd.com/read/28096186/translation-reprogramming-is-an-evolutionarily-conserved-driver-of-phenotypic-plasticity-and-therapeutic-resistance-in-melanoma
#3
Paola Falletta, Luis Sanchez-Del-Campo, Jagat Chauhan, Maike Effern, Amy Kenyon, Christopher J Kershaw, Robert Siddaway, Richard Lisle, Rasmus Freter, Matthew J Daniels, Xin Lu, Thomas Tüting, Mark Middleton, Francesca M Buffa, Anne E Willis, Graham Pavitt, Ze'ev A Ronai, Tatjana Sauka-Spengler, Michael Hölzel, Colin R Goding
The intratumor microenvironment generates phenotypically distinct but interconvertible malignant cell subpopulations that fuel metastatic spread and therapeutic resistance. Whether different microenvironmental cues impose invasive or therapy-resistant phenotypes via a common mechanism is unknown. In melanoma, low expression of the lineage survival oncogene microphthalmia-associated transcription factor (MITF) correlates with invasion, senescence, and drug resistance. However, how MITF is suppressed in vivo and how MITF-low cells in tumors escape senescence are poorly understood...
January 17, 2017: Genes & Development
https://www.readbyqxmd.com/read/28073773/long-term-survival-and-clinical-benefit-from-adoptive-t-cell-transfer-in-stage-iv-melanoma-patients-is-determined-by-a-four-parameter-tumor-immune-signature
#4
Sara M Melief, Valeria V Visconti, Marten Visser, Merel van Diepen, Ellen H W Kapiteijn, Joost H van den Berg, John B A G Haanen, Vincent T H B M Smit, Jan Oosting, Sjoerd H van der Burg, Els M E Verdegaal
The presence of tumor-infiltrating immune cells is associated with longer survival and a better response to immunotherapy in early-stage melanoma, but a comprehensive study of the in situ immune microenvironment in stage IV melanoma has not been performed. We investigated the combined influence of a series of immune factors on survival and response to adoptive cell transfer (ACT) in stage IV melanoma patients. Metastases of 73 stage IV melanoma patients, 17 of which were treated with ACT, were studied with respect to the number and functional phenotype of lymphocytes and myeloid cells as well as for expression of galectins-1, -3, and -9...
January 10, 2017: Cancer Immunology Research
https://www.readbyqxmd.com/read/28069963/pathogen-boosted-adoptive-cell-transfer-immunotherapy-to-treat-solid-tumors
#5
Gang Xin, David M Schauder, Weiqing Jing, Aimin Jiang, Nikhil S Joshi, Bryon Johnson, Weiguo Cui
Because of insufficient migration and antitumor function of transferred T cells, especially inside the immunosuppressive tumor microenvironment (TME), the efficacy of adoptive cell transfer (ACT) is much curtailed in treating solid tumors. To overcome these challenges, we sought to reenergize ACT (ReACT) with a pathogen-based cancer vaccine. To bridge ACT with a pathogen, we genetically engineered tumor-specific CD8 T cells in vitro with a second T-cell receptor (TCR) that recognizes a bacterial antigen. We then transferred these dual-specific T cells in combination with intratumoral bacteria injection to treat solid tumors in mice...
January 9, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28065449/a-specific-immune-tolerance-toward-offspring-cells-is-to-exist-after-the-mother-lymphocyte-infusion
#6
Haizhou Xing, Shiqin Liu, Xue Chen, Fang Fang, Xueqiang Wu, Ping Zhu
PURPOSE: To examine immune tolerance between maternal lymphocytes and offspring tissue after a donor lymphocyte infusion. METHODS: Mouse models were established by mating female BALB/c mice with male C57BL mice. Splenic lymphocytes from donors of different genetic backgrounds were labeled with carboxyfluorescein succinimidyl ester (CFSE), and 1×10(7) of the labeled cells were intravenously injected into a recipient. At 6h, 24h, 72h and 120h after the infusion, mononuclear cells in recipient spleen, liver, thymus, lymph nodes, and peripheral blood were collected...
December 26, 2016: Immunobiology
https://www.readbyqxmd.com/read/28061472/harms-and-benefits-of-adoptive-immunotherapy-for-postoperative-hepatocellular-carcinoma-an-updated-review
#7
Bao-Hong Yuan, Ru-Hong Li, Wei-Ping Yuan, Tian Yang, Tie-Jun Tong, Ning-Fu Peng, Le-Qun Li, Jian-Hong Zhong
The harms and benefits of adoptive immunotherapy (AIT) for patients with postoperative hepatocellular carcinoma (HCC) are controversial among studies. This study aims to update the current evidence on efficacy and safety of AIT for patients with HCC who have received curative therapy. Electronic databases were systematically searched to identify randomized controlled trials (RCTs) and cohort studies evaluating adjuvant AIT for patients with HCC after curative therapies. Recurrence and mortality were compared between patients with or without adjuvant AIT...
January 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28052005/bortezomib-augments-lymphocyte-stimulatory-cytokine-signaling-in-the-tumor-microenvironment-to-sustain-cd8-t-cell-antitumor-function
#8
Samuel T Pellom, Duafalia F Dudimah, Menaka C Thounaojam, Roman V Uzhachenko, Ashutosh Singhal, Ann Richmond, Anil Shanker
Tumor-induced immune tolerance poses a major challenge for therapeutic interventions aimed to manage cancer. We explored approaches to overcome T-cell suppression in murine breast and kidney adenocarcinomas, and lung fibrosarcoma expressing immunogenic antigens. We observed that treatment with a reversible proteasome inhibitor bortezomib (1 mg/kg body weight) in tumor-bearing mice significantly enhanced the expression of lymphocyte-stimulatory cytokines IL-2, IL-12, and IL-15. Notably, bortezomib administration reduced pulmonary nodules of mammary adenocarcinoma 4T1...
December 29, 2016: Oncotarget
https://www.readbyqxmd.com/read/28049484/a-new-insight-in-chimeric-antigen-receptor-engineered-t-cells-for-cancer-immunotherapy
#9
REVIEW
Erhao Zhang, Hanmei Xu
Adoptive cell therapy using chimeric antigen receptor (CAR)-engineered T cells has emerged as a very promising approach to combating cancer. Despite its ability to eliminate tumors shown in some clinical trials, CAR-T cell therapy involves some significant safety challenges, such as cytokine release syndrome (CRS) and "on-target, off-tumor" toxicity, which is related to poor control of the dose, location, and timing of T cell activity. In the past few years, some strategies to avoid the side effects of CAR-T cell therapy have been reported, including suicide gene, inhibitory CAR, dual-antigen receptor, and the use of exogenous molecules as switches to control the CAR-T cell functions...
January 3, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28035433/development-of-t-cells-carrying-two-complementary-chimeric-antigen-receptors-against-glypican-3-and-asialoglycoprotein-receptor-1-for-the-treatment-of-hepatocellular-carcinoma
#10
Cheng Chen, Kesang Li, Hua Jiang, Fei Song, Huiping Gao, Xiaorong Pan, Bizhi Shi, Yanyu Bi, Huamao Wang, Hongyang Wang, Zonghai Li
Adoptive immunotherapy leveraging chimeric antigen receptor-modified T (CAR-T) cells holds great promise for the treatment of cancer. However, tumor-associated antigens often have low expression levels in normal tissues, which can cause on-target, off-tumor toxicity. Recently, we reported that GPC3-targeted CAR-T cells could eradicate hepatocellular carcinoma (HCC) xenografts in mice. However, it remains unknown whether on-target, off-tumor toxicity can occur. Therefore, we proposed that dual-targeted CAR-T cells co-expressing glypican-3 (GPC3) and asialoglycoprotein receptor 1 (ASGR1) (a liver tissue-specific protein)-targeted CARs featuring CD3ζ and 28BB (containing both CD28 and 4-1BB signaling domains), respectively, may have reduced on-target, off-tumor toxicity...
December 29, 2016: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28028943/the-effects-of-anti-cd3-cd28-coated-beads-and-il-2-on-expanded-t-cell-for-immunotherapy
#11
Sirimarn Martkamchan, Nattawat Onlamoon, Siyu Wang, Kovit Pattanapanyasat, Palanee Ammaranond
BACKGROUND: The activation of peripheral blood mononucleated cells (PBMCs) with anti-CD3/CD28-coated magnetic beads promotes intrinsic resistance to HIV as well as cell expansion. OBJECTIVES: The aim of this study was to define an optimal cell isolation protocol for the expansion of PBMCs using anti-CD3/CD28-coated bead stimulation, with the ultimate goal of using these cells for adoptive therapy. MATERIAL AND METHODS: PBMCs were isolated from healthy donor blood samples...
September 2016: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28025979/driving-gene-engineered-t-cell-immunotherapy-of-cancer
#12
REVIEW
Laura A Johnson, Carl H June
Chimeric antigen receptor (CAR) gene-engineered T cell therapy holds the potential to make a meaningful difference in the lives of patients with terminal cancers. For decades, cancer therapy was based on biophysical parameters, with surgical resection to debulk, followed by radiation and chemotherapy to target the rapidly growing tumor cells, while mostly sparing quiescent normal tissues. One breakthrough occurred with allogeneic bone-marrow transplant for patients with leukemia, which provided a sometimes curative therapy...
January 2017: Cell Research
https://www.readbyqxmd.com/read/28024488/-clinical-analysis-of-adoptive-immunotherapy-after-autologous-peripheral-blood-hematopoietic-stem-cell-transplantation-in-b-lymphocyte-malignant-lymphoma
#13
Cun-Bang Wang, Yao-Zhu Pan, Rui Xi, Shu-Fen Xu, Qian Zhang, Yan Chen, Jin-Mao Zhou, Tao Wu, Hai Bai
OBJECTIVE: To investigate the efficacy of autologous peripheral blood hematopoietic stem cell transplantation(auto-PBHSCT) combined with adoptive immunotherapy for patients with B lymphocyte malignant lymphoma(ML). METHODS: A total of 110 cases of ML treated with adoptive immunotherapy after auto-PBHSCT from January 2000 to December 2009 were enrolled in adoptive immunotherapy group (treated group), while 74 cases of ML treated without adoptive immunotherapy after auto-PBHSCT from January 1995 to December 1999 were used as control group...
December 2016: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28008927/immunotherapy-against-cancer-related-viruses
#14
REVIEW
Haruko Tashiro, Malcolm K Brenner
Approximately 12% of all cancers worldwide are associated with viral infections. To date, eight viruses have been shown to contribute to the development of human cancers, including Epstein-Barr virus (EBV), Hepatitis B and C viruses, and Human papilloma virus, among others. These DNA and RNA viruses produce oncogenic effects through distinct mechanisms. First, viruses may induce sustained disorders of host cell growth and survival through the genes they express, or may induce DNA damage response in host cells, which in turn increases host genome instability...
January 2017: Cell Research
https://www.readbyqxmd.com/read/28007431/quantifying-in-vivo-murine-antigen-specific-t-cell-responses-without-requirement-for-prior-knowledge-of-antigen-identity
#15
Nour Kibbi, Enping Hong, Harib Ezaldein, Douglas Hanlon, Tarek Fahmy, Richard Edelson
Extracorporeal Photochemotherapy (ECP) is a widely applied anti-cancer immunotherapy for patients with cutaneous T cell lymphoma (CTCL). By using apoptotic malignant cells as a source of patient-specific tumor antigen, it enables clinically relevant and curative anti-CTCL immunity, with potential efficacy in other tumors. Currentmethods to track patient-specific responses are tedious, and new methods are needed to assess putative global immunity. We developed a clinically practical method to assess antigen-specific T cell activation that does not rely on knowledge of the particular antigen, thereby eliminating the requirement for patient-specific reagents...
November 30, 2016: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28003994/immunotherapy-of-malignant-tumors-in-the-brain-how-different-from-other-sites
#16
REVIEW
Valérie Dutoit, Denis Migliorini, Pierre-Yves Dietrich, Paul R Walker
Immunotherapy is now advancing at remarkable pace for tumors located in various tissues, including the brain. Strategies launched decades ago, such as tumor antigen-specific therapeutic vaccines and adoptive transfer of tumor-infiltrating lymphocytes are being complemented by molecular engineering approaches allowing the development of tumor-specific TCR transgenic and chimeric antigen receptor T cells. In addition, the spectacular results obtained in the last years with immune checkpoint inhibitors are transfiguring immunotherapy, these agents being used both as single molecules, but also in combination with other immunotherapeutic modalities...
2016: Frontiers in Oncology
https://www.readbyqxmd.com/read/28003642/car-t-cell-therapy-of-solid-tumors
#17
REVIEW
Carmen S M Yong, Valerie Dardalhon, Christel Devaud, Naomi Taylor, Phillip K Darcy, Michael H Kershaw
The potential for immunotherapy as a treatment option for cancer is clear from remarkable responses of some leukemia patients to adoptive cell transfer using autologous T cells genetically modified to express chimeric antigen receptors (CARs). However, the vast majority of cancers, in particular the more common solid cancers, such as those of the breast, colon and lung, fail to respond significantly to infusions of CAR T cells. Solid cancers present some formidable barriers to adoptive cell transfer, including suppression of T cell function and inhibition of T cell localization...
December 22, 2016: Immunology and Cell Biology
https://www.readbyqxmd.com/read/28003545/anti-pd-1-antitumor-immunity-is-enhanced-by-local-and-abrogated-by-systemic-chemotherapy-in-gbm
#18
Dimitrios Mathios, Jennifer E Kim, Antonella Mangraviti, Jillian Phallen, Chul-Kee Park, Christopher M Jackson, Tomas Garzon-Muvdi, Eileen Kim, Debebe Theodros, Magdalena Polanczyk, Allison M Martin, Ian Suk, Xiaobu Ye, Betty Tyler, Chetan Bettegowda, Henry Brem, Drew M Pardoll, Michael Lim
The immunosuppressive effects of chemotherapy present a challenge for designing effective cancer immunotherapy strategies. We hypothesized that although systemic chemotherapy (SC) exhibits negative immunologic effects, local chemotherapy (LC) can potentiate an antitumor immune response. We show that LC combined with anti-programmed cell death protein 1 (PD-1) facilitates an antitumor immune response and improves survival (P < 0.001) in glioblastoma. LC-treated mice had increased infiltration of tumor-associated dendritic cells and clonal expansion of antigen-specific T effector cells...
December 21, 2016: Science Translational Medicine
https://www.readbyqxmd.com/read/28002799/induction-of-specific-t-helper-9-cells-to-inhibit-glioma-cell-growth
#19
Haiyan Zheng, Baohua Yang, Dedong Xu, Wenbo Wang, Jie Tan, Liyuan Sun, Qinghua Li, Li Sun, Xuewei Xia
The effects of Staphylococcal enterotoxin B (SEB) on regulation of immune response have been recognized; whether SEB can enhance the effects of immunotherapy on glioma remains to be investigated. This study tests a hypothesis that administration with SEB enhances the effects of specific immunotherapy on glioma growth in mice. In this study, a glioma-bearing mouse model was developed by adoptive transfer with GL261 cells (a mouse glioma cell line). The mice were treated with the GL261 cell extracts (used as an Ag) with or without administration of SEB...
December 16, 2016: Oncotarget
https://www.readbyqxmd.com/read/28000534/adoptive-immunotherapy-for-the-treatment-of-glioblastoma-progress-and-possibilities
#20
Shunichiro Kuramitsu, Akane Yamamichi, Fumiharu Ohka, Kazuya Motomura, Masahito Hara, Atsushi Natsume
Patients with glioblastoma have a very poor prognosis. Adoptive cellular therapy (ACT) is defined as the collection of circulating or tumor-infiltrating lymphocytes, their selection, modification, expansion and activation, and their re-administration to patients in order to induce antitumor activity. Although various ACTs have been attempted, most failed to improve the outcome. Immune checkpoint blockade antibodies and T cell engineering with tumor-specific chimeric antigen receptors suggest the emergence of a new era of immunotherapy...
December 2016: Immunotherapy
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