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CAR T-Cell

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https://www.readbyqxmd.com/read/29245005/cd19-car-t-cells
#1
Michel Sadelain
CARs are synthetic receptors that reprogram immune cells for therapeutic purposes. They comprise three canonical domains for antigen recognition, T cell activation, and costimulation. The CAR cDNA is genetically integrated in the T cell genome. Autologous CAR T cells are generated from the patient's peripheral blood T cells and expand in the recipient to eliminate the targeted tumor. To view this Bench to Bedside, open or download the PDF.
December 14, 2017: Cell
https://www.readbyqxmd.com/read/29242592/immunotherapy-no-effect-of-car-t-cell-infusion-on-infection-risk
#2
Diana Romero
No abstract text is available yet for this article.
January 2018: Nature Reviews. Clinical Oncology
https://www.readbyqxmd.com/read/29242589/car-t-cells-what-have-we-learnt
#3
EDITORIAL
(no author information available yet)
No abstract text is available yet for this article.
December 15, 2017: Nature Reviews. Clinical Oncology
https://www.readbyqxmd.com/read/29241547/car-t-cells-releasing-il-18-convert-to-t-bethigh-foxo1low-effectors-that-exhibit-augmented-activity-against-advanced-solid-tumors
#4
Markus Chmielewski, Hinrich Abken
Adoptive therapy with chimeric antigen receptor (CAR)-redirected T cells has achieved remarkable efficacy in the treatment of hematopoietic malignancies. However, eradicating large solid tumors in advanced stages of the disease remains challenging. We explored augmentation of the anti-tumor immune reaction by establishing an acute inflammatory reaction. Systematic screening indicates that IL-18 polarizes CAR T cells toward T-bethigh FoxO1low effectors with an acute inflammatory response. CAR T cells engineered with inducible IL-18 release exhibited superior activity against large pancreatic and lung tumors that were refractory to CAR T cells without cytokines...
December 12, 2017: Cell Reports
https://www.readbyqxmd.com/read/29241375/peritoneal-dissemination-of-ovarian-cancer-role-of-muc16-mesothelin-interaction-and-implications-for-treatment
#5
Ricardo Coelho, Lara Marcos-Silva, Sara Ricardo, Filipa Ponte, Antonia Costa, Jose Manuel Lopes, Leonor David
Peritoneal dissemination is a particular form of malignant progression in ovarian cancer, preceding hematogenic or lymphatic dissemination. Thus, prevention of peritoneal implantation of cancer cells is envisioned to inhibit neoplastic dissemination and therefore prolong disease remission and patient's survival. Areas covered: An extended review on the role of MUC16 (CA125) and mesothelin (MSLN), expressed in a high percentage of ovarian carcinomas, indicate that this duet is relevant for the contact between cancer cells and mesothelial cells in homotypic (cancer cell-cancer cell) and heterotypic (cancer cell-mesothelial cell) interactions...
December 14, 2017: Expert Review of Anticancer Therapy
https://www.readbyqxmd.com/read/29239915/preclinical-assessment-of-car-t-cell-therapy-targeting-the-tumor-antigen-5t4-in-ovarian-cancer
#6
Gemma L Owens, Victoria E Sheard, Milena Kalaitsidou, Daniel Blount, Yatish Lad, Eleanor J Cheadle, Richard J Edmondson, Gurdeep Kooner, David E Gilham, Richard Harrop
Chimeric antigen receptor (CAR) T cells represent a novel targeted approach to overcome both quantitative and qualitative shortfalls of the host immune system relating to the detection and subsequent destruction of tumors. The identification of antigens expressed specifically on the surface of tumor cells is a critical first step in the ability to utilize CAR T cells for the treatment of cancer. The 5T4 is a tumor-associated antigen which is expressed on the cell surface of most solid tumors including ovarian cancer...
December 12, 2017: Journal of Immunotherapy
https://www.readbyqxmd.com/read/29238707/drug-repurposing-for-the-treatment-of-acute-myeloid-leukemia
#7
REVIEW
Vibeke Andresen, Bjørn T Gjertsen
Acute myeloid leukemia (AML) is a heterogeneous disease characterized by the accumulation of immature myeloid progenitor cells in the bone marrow, compromising of normal blood cell production and ultimately resulting in bone marrow failure. With a 20% overall survival rate at 5 years and 50% in the 18- to 65-year-old age group, new medicines are needed. It is proposed that development of repurposed drugs may be a part of the new therapy needed. AML is subdivided into recurrent molecular entities based on molecular genetics increasingly accessible for precision medicine...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/29229383/short-term-culture-with-il-2-is-beneficial-for-potent-memory-chimeric-antigen-receptor-t-cell-production
#8
Xuhua Zhang, Xiaodong Lv, Yongping Song
Interleukin-2 (IL-2) has been extensively used to boost the body's immune cells, especially T cells. IL-2 is a cytokine that for many years was used to activate and amplify T cells. Due to its potent T cell growth-inducing functions in vitro, for many years, IL-2 was used for the culture and expansion of various T cell products, including tumor-infiltrating lymphocytes (TIL), T cell receptors T cells (TCRT), or genetically engineered cells with chimeric antigen receptors T cells (CAR T). Despite its positive effect on T cell production, the side-effect is not well studied...
December 8, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29226797/axicabtagene-ciloleucel-car-t-cell-therapy-in-refractory-large-b-cell-lymphoma
#9
Sattva S Neelapu, Frederick L Locke, Nancy L Bartlett, Lazaros J Lekakis, David B Miklos, Caron A Jacobson, Ira Braunschweig, Olalekan O Oluwole, Tanya Siddiqi, Yi Lin, John M Timmerman, Patrick J Stiff, Jonathan W Friedberg, Ian W Flinn, Andre Goy, Brian T Hill, Mitchell R Smith, Abhinav Deol, Umar Farooq, Peter McSweeney, Javier Munoz, Irit Avivi, Januario E Castro, Jason R Westin, Julio C Chavez, Armin Ghobadi, Krishna V Komanduri, Ronald Levy, Eric D Jacobsen, Thomas E Witzig, Patrick Reagan, Adrian Bot, John Rossi, Lynn Navale, Yizhou Jiang, Jeff Aycock, Meg Elias, David Chang, Jeff Wiezorek, William Y Go
Background In a phase 1 trial, axicabtagene ciloleucel (axi-cel), an autologous anti-CD19 chimeric antigen receptor (CAR) T-cell therapy, showed efficacy in patients with refractory large B-cell lymphoma after the failure of conventional therapy. Methods In this multicenter, phase 2 trial, we enrolled 111 patients with diffuse large B-cell lymphoma, primary mediastinal B-cell lymphoma, or transformed follicular lymphoma who had refractory disease despite undergoing recommended prior therapy. Patients received a target dose of 2×106 anti-CD19 CAR T cells per kilogram of body weight after receiving a conditioning regimen of low-dose cyclophosphamide and fludarabine...
December 10, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/29226781/a-milestone-for-car-t-cells
#10
Eric Tran, Dan L Longo, Walter J Urba
No abstract text is available yet for this article.
December 10, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/29226764/chimeric-antigen-receptor-t-cells-in-refractory-b-cell-lymphomas
#11
Stephen J Schuster, Jakub Svoboda, Elise A Chong, Sunita D Nasta, Anthony R Mato, Özlem Anak, Jennifer L Brogdon, Iulian Pruteanu-Malinici, Vijay Bhoj, Daniel Landsburg, Mariusz Wasik, Bruce L Levine, Simon F Lacey, Jan J Melenhorst, David L Porter, Carl H June
Background Patients with diffuse large B-cell lymphoma or follicular lymphoma that is refractory to or that relapses after immunochemotherapy and transplantation have a poor prognosis. High response rates have been reported with the use of T cells modified by chimeric antigen receptor (CAR) that target CD19 in B-cell cancers, although data regarding B-cell lymphomas are limited. Methods We used autologous T cells that express a CD19-directed CAR (CTL019) to treat patients with diffuse large B-cell lymphoma or follicular lymphoma that had relapsed or was refractory to previous treatments...
December 10, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/29222400/nkg2d-based-car-t-cells-and-radiotherapy-exert-synergistic-efficacy-in-glioblastoma
#12
Tobias Weiss, Michael Weller, Matthias Guckenberger, Charles L Sentman, Patrick Roth
Chimeric antigen receptor (CAR) T cell therapy is an emerging immunotherapy against several malignancies including glioblastoma, the most common and most aggressive malignant primary brain tumor in adults. The challenges in solid tumor immunotherapy comprise heterogenously expressed tumor target antigens and restricted trafficking of CAR T cells to and impaired long-term persistence at the tumor site, as well as the unaddressed integration of CAR T cell therapy into conventional anti-cancer treatments. We addressed these questions using a NKG2D-based chimeric antigen receptor construct (chNKG2D) in fully immunocompetent orthotopic glioblastoma mouse models...
December 8, 2017: Cancer Research
https://www.readbyqxmd.com/read/29213269/safety-and-immunogenicity-of-malaria-vectored-vaccines-given-with-routine-expanded-program-on-immunization-vaccines-in-gambian-infants-and-neonates-a-randomized-controlled-trial
#13
Victorine A Mensah, Sophie Roetynck, Ebrima K Kanteh, Georgina Bowyer, Amy Ndaw, Francis Oko, Carly M Bliss, Ya Jankey Jagne, Riccardo Cortese, Alfredo Nicosia, Rachel Roberts, Flavia D'Alessio, Odile Leroy, Babacar Faye, Beate Kampmann, Badara Cisse, Kalifa Bojang, Stephen Gerry, Nicola K Viebig, Alison M Lawrie, Ed Clarke, Egeruan B Imoukhuede, Katie J Ewer, Adrian V S Hill, Muhammed O Afolabi
Background: Heterologous prime-boost vaccination with chimpanzee adenovirus 63 (ChAd63) and modified vaccinia virus Ankara (MVA) encoding multiple epitope string thrombospondin-related adhesion protein (ME-TRAP) has shown acceptable safety and promising immunogenicity in African adult and pediatric populations. If licensed, this vaccine could be given to infants receiving routine childhood immunizations. We therefore evaluated responses to ChAd63 MVA ME-TRAP when co-administered with routine Expanded Program on Immunization (EPI) vaccines...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29212954/inhibition-of-akt-signaling-uncouples-t-cell-differentiation-from-expansion-for-receptor-engineered-adoptive-immunotherapy
#14
Christopher A Klebanoff, Joseph G Crompton, Anthony J Leonardi, Tori N Yamamoto, Smita S Chandran, Robert L Eil, Madhusudhanan Sukumar, Suman K Vodnala, Jinhui Hu, Yun Ji, David Clever, Mary A Black, Devikala Gurusamy, Michael J Kruhlak, Ping Jin, David F Stroncek, Luca Gattinoni, Steven A Feldman, Nicholas P Restifo
Adoptive immunotherapies using T cells genetically redirected with a chimeric antigen receptor (CAR) or T cell receptor (TCR) are entering mainstream clinical practice. Despite encouraging results, some patients do not respond to current therapies. In part, this phenomenon has been associated with infusion of reduced numbers of early memory T cells. Herein, we report that AKT signaling inhibition is compatible with CAR and TCR retroviral transduction of human T cells while promoting a CD62L-expressing central memory phenotype...
December 7, 2017: JCI Insight
https://www.readbyqxmd.com/read/29209570/car-t-cell-immunotherapy-of-met-expressing-malignant-mesothelioma
#15
Thivyan Thayaparan, Roseanna M Petrovic, Daniela Y Achkova, Tomasz Zabinski, David M Davies, Astero Klampatsa, Ana C Parente-Pereira, Lynsey M Whilding, Sjoukje Jc van der Stegen, Natalie Woodman, Michael Sheaff, Jennifer R Cochran, James F Spicer, John Maher
Mesothelioma is an incurable cancer for which effective therapies are required. Aberrant MET expression is prevalent in mesothelioma, although targeting using small molecule-based therapeutics has proven disappointing. Chimeric antigen receptors (CARs) couple the HLA-independent binding of a cell surface target to the delivery of a tailored T-cell activating signal. Here, we evaluated the anti-tumor activity of MET re-targeted CAR T-cells against mesothelioma. Using immunohistochemistry, MET was detected in 67% of malignant pleural mesotheliomas, most frequently of epithelioid or biphasic subtype...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/29209061/car-t-cells-the-narrow-path-between-hope-and-bankruptcy
#16
EDITORIAL
C Chabannon, J Kuball, E Mcgrath, P Bader, C Dufour, A Lankester, G W Basak, S Montoto, A Nagler, J A Snowden, J Styczynski, R F Duarte, N Kröger, M Mohty
No abstract text is available yet for this article.
December 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/29208775/cns-endothelial-cell-activation-emerges-as-a-driver-of-car-t-cell-associated-neurotoxicity
#17
COMMENT
Crystal L Mackall, David B Miklos
<b/> Central nervous system (CNS) toxicity associated with chimeric antigen receptor-based therapeutics has emerged as a significant cause of morbidity and mortality, and insights into the pathophysiology of this syndrome have been lacking. A new study provides evidence that cytokine-induced CNS endothelial cell activation leading to disruption of the blood-brain barrier plays an early and critical role in this phenomenon. These insights provide new opportunities for targeted therapeutic interventions to modulate endothelial cell activation...
December 2017: Cancer Discovery
https://www.readbyqxmd.com/read/29207878/cd20-cd19-bispecific-car-t-cells-for-the-treatment-of-b-cell-malignancies
#18
Alexandra Martyniszyn, Ann-Christin Krahl, Maya C André, Andreas A Hombach, Hinrich Abken
The treatment of leukemia/lymphoma by chimeric antigen receptor (CAR) redirected T cells with specificity for CD19 induced complete remissions in the majority of patients with a realistic hope for cure. However, recent follow-up data revealed a substantial risk of relapse through leukemic cells which lack the CAR targeted antigen. In this situation a bispecific CAR with binding domains for CD19 and CD20 is aimed at recognizing also leukemic cells with only one cognate antigen. The anti-CD20-CD19 bispecific CAR induced a full T cell response upon engagement of CD19 or CD20 on target cells showing a true "OR" gate recognition in redirecting T cell activation...
December 5, 2017: Human Gene Therapy
https://www.readbyqxmd.com/read/29207115/current-status-and-future-prospects-of-the-strategy-of-combining-car%C3%A2-t-with-pd%C3%A2-1-blockade-for-antitumor-therapy-review
#19
Jinjing Xu, Qing Zhang, Kang Tian, Haiyu Wang, Hong Yin, Junnian Zheng
The immune system serves an important role in controlling and eradicating malignant cells. Immunotherapy for treating tumors has received much attention in recent years due to its marked effect. There are two approaches which currently lead this field: Chimeric antigen receptor‑modified T‑cell immunotherapy (CAR‑T) and programmed cell death protein-1 blockade (PD‑1 blockade). CAR‑T has emerged as a promising regimen for the treatment of a range of types of cancer, including chronic lymphoid leukemia and neuroblastoma, with studies of long term remission in certain patients...
November 22, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29203440/car-t-cells-and-combination-therapies-what-s-next-in-the-immunotherapy-revolution
#20
Maria C Ramello, Eric B Haura, Daniel Abate-Daga
Cancer immunotherapies are dramatically reshaping the clinical management of oncologic patients. For many of these therapies, the guidelines for administration, monitoring, and management of associated toxicities are still being established. This is especially relevant for adoptively transferred, genetically-modified T cells, which have unique pharmacokinetic properties, due to their ability to replicate and persist long-term, following a single administration. Furthermore, in the case of CAR-T cells, the use of synthetic immune receptors may impact signaling pathways involved in T cell function and survival in unexpected ways...
December 1, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
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