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glioblastoma immunotherapy

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https://www.readbyqxmd.com/read/28334886/glioblastoma-associated-microglia-and-macrophages-targets-for-therapies-to-improve-prognosis
#1
Candice C Poon, Susobhan Sarkar, V Wee Yong, John J P Kelly
Glioblastoma is the most common and most malignant primary adult human brain tumour. Diagnosis of glioblastoma carries a dismal prognosis. Treatment resistance and tumour recurrence are the result of both cancer cell proliferation and their interaction with the tumour microenvironment. A large proportion of the tumour microenvironment consists of an inflammatory infiltrate predominated by microglia and macrophages, which are thought to be subverted by glioblastoma cells for tumour growth. Thus, glioblastoma-associated microglia and macrophages are logical therapeutic targets...
February 4, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28332095/identification-of-t-cell-target-antigens-in-glioblastoma-stem-like-cells-using-an-integrated-proteomics-based-approach-in-patient-specimens
#2
Carmen Rapp, Rolf Warta, Slava Stamova, Ali Nowrouzi, Christoph Geisenberger, Zoltan Gal, Saskia Roesch, Steffen Dettling, Simone Juenger, Mariana Bucur, Christine Jungk, Philip DaoTrong, Rezvan Ahmadi, Felix Sahm, David Reuss, Valentina Fermi, Esther Herpel, Volker Eckstein, Niels Grabe, Christoph Schramm, Markus A Weigand, Juergen Debus, Andreas von Deimling, Andreas Unterberg, Amir Abdollahi, Philipp Beckhove, Christel Herold-Mende
Glioblastoma (GBM) is a highly aggressive brain tumor and still remains incurable. Among others, an immature subpopulation of self-renewing and therapy-resistant tumor cells-often referred to as glioblastoma stem-like cells (GSCs)-has been shown to contribute to disease recurrence. To target these cells personalized immunotherapy has gained a lot of interest, e.g. by reactivating pre-existing anti-tumor immune responses against GSC antigens. To identify T cell targets commonly presented by GSCs and their differentiated counterpart, we used a proteomics-based separation of GSC proteins in combination with a T cell activation assay...
March 22, 2017: Acta Neuropathologica
https://www.readbyqxmd.com/read/28302023/anti-egfrviii-chimeric-antigen-receptor-modified-t-cells-for-adoptive-cell-therapy-of-glioblastoma
#3
Pei-Pei Ren, Ming Li, Tian-Fang Li, Shuang-Yin Han
Glioblastoma (GBM) is one of the most devastating brain tumors with poor prognosis and high mortality. Although radical surgical treatment with subsequent radiation and chemotherapy can improve the survival, the efficacy of such regimens is insufficient because the GBM cells can spread and destroy normal brain structures. Moreover, these non-specific treatments may damage adjacent healthy brain tissue. It is thus imperative to develop novel therapies to precisely target invasive tumor cells without damaging normal tissues...
March 16, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28300714/biomarkers-and-immunotherapeutic-targets-in-glioblastoma
#4
REVIEW
Alice L Hung, Tomas Garzon-Muvdi, Michael Lim
Glioblastoma (GBM) is an aggressive central nervous system (CNS) cancer with poor prognosis despite maximal therapy. The recent advent of immunotherapy holds great promise for improving GBM survival and has already made great strides towards changing current management strategies. A diverse set of biomarkers has been implicated as immunotherapeutic targets and prognostic indicators in other cancers. Some of the more extensively studied examples include cytokines (IL-4, IL-13, and TGF-ß), checkpoint molecules (PD-1, CTLA-4, TIM-3, LAG-3, CD137, GITR, OX40), and growth/angiogenesis proteins (endoglin and EGFR)...
March 11, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28299344/advances-in-immunotherapy-for-glioblastoma-multiforme
#5
REVIEW
Boyuan Huang, Hongbo Zhang, Lijuan Gu, Bainxin Ye, Zhihong Jian, Creed Stary, Xiaoxing Xiong
Glioblastoma multiforme (GBM) is the most common primary malignant brain tumor in adults. Patients with GBM have poor outcomes, even with the current gold-standard first-line treatment: maximal safe resection combined with radiotherapy and temozolomide chemotherapy. Accumulating evidence suggests that advances in antigen-specific cancer vaccines and immune checkpoint blockade in other advanced tumors may provide an appealing promise for immunotherapy in glioma. The future of therapy for GBM will likely incorporate a combinatorial, personalized approach, including current conventional treatments, active immunotherapeutics, plus agents targeting immunosuppressive checkpoints...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28293764/immune-checkpoint-inhibition-and-its-relationship-with-hypermutation-phenoytype-as-a-potential-treatment-for-glioblastoma
#6
REVIEW
Manohan Sinnadurai, Kerrie L McDonald
Glioblastoma (GBM) is the most common malignant brain tumour in adults. Current prognosis with standard treatment is poor. Immunotherapy is a new paradigm in tumour management. Specifically, recent advances in the field of immune checkpoint molecules have led to dramatic results in many cancers. Inhibition of one particular, programmed cell death-1 (PD-1) has recently been shown to be highly effective in melanoma and non-small cell lung cancer. There has also been recent data to suggest potential benefit in GBM...
March 14, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28287848/immunomodulating-and-immunoresistance-properties-of-cancer-initiating-cells-implications-for-the-clinical-success-of-immunotherapy
#7
Cristina Maccalli, Giorgio Parmiani, Soldano Ferrone
Cancer-initiating cells (CICs) represent a relatively rare subpopulation of cells endowed with self-renewal, stemness properties, tumorigenicity in immunodeficient mice, and resistance to standard therapies as well as to immunotherapy. Here, we review the biological and immunological characteristics of CICs with special focus on the immunomodulating mechanisms they utilize to escape from immunosurveillance. The recently developed immunotherapeutic strategies have yielded remarkable clinical results in many types of tumors, indicating that indeed a patient's immune system can mount an immune response, which is effective in controlling tumor growth...
March 13, 2017: Immunological Investigations
https://www.readbyqxmd.com/read/28274144/prospect-of-rindopepimut-in-the-treatment-of-glioblastoma
#8
Aladine A Elsamadicy, Pakawat Chongsathidkiet, Rupen Desai, Karolina Woroniecka, S Harrison Farber, Peter E Fecci, John H Sampson
Rindopepimut (CDX-110) is a peptide vaccine that targets epidermal growth factor receptor variant III (EGFRvIII), a tumor-specific epitope expressed in the most common and lethal primary malignant neoplasm of the brain - glioblastoma (GBM). Areas covered: The EGFRvIII mutation introduces an 801 base pair in-frame deletion of the extracellular domain of the transmembrane tyrosine kinase, resulting in constitutive kinase activity, amplification of cell growth, and inhibition of apoptosis. Rindopepimut contains a 14mer amino acid peptide spanning the EGFRvIII mutation site that is conjugated to keyhole limpet hemocyanin (KLH)...
April 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/28260500/current-therapeutic-alternatives-and-new-perspectives-in-glioblastoma-multiforme
#9
Claudia Andrea Quezada Monrás, Rody San Martín, Sebastián Muñoz, Ignacio Niechi, Jake Howden, Daniel Alejandro Uribe, José Ignacio Erices, Ángelo Sebastián Torres Arévalo
BACKGROUND: In the last two decades, there have been significant technological advances in the early detection of brain tumors. However, no notable improvements have been observed in the treatment of Glioblastoma Multiforme (GBM), the most common brain neoplasm coupled with the worst prognosis. GBM is characterized by an extensive resistance to a broad spectrum of anti-tumor drugs. This property is the result of a phenomenon known as Multiple Drug Resistance (MDR), which significantly limits non-invasive alternative therapies...
March 3, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28258696/co-inhibitory-blockade-while-preserving-tolerance-checkpoint-inhibitors-for-glioblastoma
#10
REVIEW
Liliana E Lucca, David A Hafler
The introduction of immunotherapy with checkpoint receptor blockade has changed the treatment of advanced cancers, at times inducing prolonged remission. Nevertheless, the success rate of the approach is variable across patients and different tumor types, and treatment is often accompanied by severe immune-related side effects, suggesting the importance of co-inhibitory pathway for both prevention of autoimmunity and failure of tumor rejection. A better understanding of how to uncouple anti-tumor activity from loss of self-tolerance is necessary to increase the therapeutic efficacy of checkpoint immunotherapy...
March 2017: Immunological Reviews
https://www.readbyqxmd.com/read/28258545/the-role-of-immune-checkpoint-inhibition-in-the-treatment-of-brain-tumors
#11
REVIEW
Andrew S Luksik, Russell Maxwell, Tomas Garzon-Muvdi, Michael Lim
The standard of care for malignant gliomas of the brain has changed very little over the last few decades, and does not offer a cure for these rare, but fatal, tumors. The field of immunotherapy has brought potent new drugs into the oncological armamentarium, and is becoming recognized as a potentially important arm in the treatment of glioblastoma for adults. Immune checkpoints are inhibitory receptors found on immune cells that, when stimulated, cause those immune cells to become quiescent. While this is a natural mechanism to prevent excessive inflammatory damage and autoimmunity in otherwise healthy tissues, cancer cells may utilize this process to grow in the absence of targeted immune destruction...
March 3, 2017: Neurotherapeutics: the Journal of the American Society for Experimental NeuroTherapeutics
https://www.readbyqxmd.com/read/28230277/immune-checkpoint-blockade-biology-in-mouse-models-of-glioblastoma
#12
Alan T Yeo, Al Charest
Glioblastoma Multiforme (GBM) is a highly malignant primary brain cancer that is associated with abysmal prognosis. The median survival of GBM patients is ∼15 months and there have not been any significant advance in therapies in over a decade, leaving treatment options limited. There is clearly an unmet need for GBM treatment. Immunotherapies are treatments based on usurping the power of the host's immune system to recognize and eliminate cancer cells. They have recently proven to be a successful strategy for combating a variety of cancers...
February 23, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28178682/comprehensive-analysis-of-pd-l1-expression-in-glioblastoma-multiforme
#13
Dieter Henrik Heiland, Gerrit Haaker, Daniel Delev, Bianca Mercas, Waseem Masalha, Sabrina Heynckes, Annette Gäbelein, Dietmar Pfeifer, Maria Stella Carro, Astrid Weyerbrock, Marco Prinz, Oliver Schnell
Glioblastoma multiforme are highly malignant brain tumours with frequent genetic and epigenetic alterations. The poor clinical outcome of these tumours necessitates the development of new treatment options. Immunotherapies for glioblastoma multiforme including PD1/PD-L1 inhibition are currently tested in ongoing clinical trials. The purpose of this study was to investigate the molecular background of PD-L1 expression in glioblastoma multiforme and to find associated pathway activation and genetic alterations...
February 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28142059/intracerebral-injection-of-cpg-oligonucleotide-for-patients-with-de-novo-glioblastoma-a-phase-ii-multicentric-randomised-study
#14
Renata Ursu, Alexandre Carpentier, Philippe Metellus, Vincent Lubrano, Florence Laigle-Donadey, Laurent Capelle, Jacques Guyotat, Olivier Langlois, Luc Bauchet, Kristell Desseaux, Annick Tibi, Olivier Chinot, Jérôme Lambert, Antoine F Carpentier
BACKGROUND: Immunostimulating oligodeoxynucleotides containing unmethylated cytosine-guanosine motifs (CpG-ODN) have shown a promising efficacy in several cancer models when injected locally. A previous phase II study of CpG-ODN in patients with recurrent glioblastoma (GBM) has suggested some activity and has shown a limited toxicity. This multicentre single-blinded randomised phase II trial was designed to study the efficacy of a local treatment by CpG-ODN in patients with de novo glioblastomas...
March 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28138787/the-development-of-dendritic-cell-vaccine-based-immunotherapies-for-glioblastoma
#15
REVIEW
David A Reardon, Duane A Mitchell
In this review, we focus on the biologic advantages of dendritic cell-based vaccinations as a therapeutic strategy for cancer as well as preclinical and emerging clinical data associated with such approaches for glioblastoma patients.
January 30, 2017: Seminars in Immunopathology
https://www.readbyqxmd.com/read/28116121/syndecan-4-as-a-biomarker-to-predict-clinical-outcome-for-glioblastoma-multiforme-treated-with-wt1-peptide-vaccine
#16
Satoshi Takashima, Yoshihiro Oka, Fumihiro Fujiki, Soyoko Morimoto, Hiroko Nakajima, Yoshiki Nakae, Jun Nakata, Sumiyuki Nishida, Naoki Hosen, Naoya Tatsumi, Kenji Mizuguchi, Naoya Hashimoto, Yusuke Oji, Akihiro Tsuboi, Atsushi Kumanogoh, Haruo Sugiyama
AIM: In cancer immunotherapy, biomarkers are important for identification of responsive patients. This study was aimed to find biomarkers that predict clinical outcome of WT1 peptide vaccination. MATERIALS & METHODS: Candidate genes that were expressed differentially between long- and short-term survivors were identified by cDNA microarray analysis of peripheral blood mononuclear cells that were extracted from 30 glioblastoma patients (discovery set) prior to vaccination and validated by quantitative RT-PCR using discovery set and different 23 patients (validation set)...
December 2016: Future Science OA
https://www.readbyqxmd.com/read/28111040/-immunotherapy-in-brain-tumors
#17
Emilie De Carli, Matthieu Delion, Audrey Rousseau
Diffuse gliomas represent the most common primary central nervous system (CNS) tumors in adults and children alike. Glioblastoma is the most frequent and malignant form of diffuse glioma with a median overall survival of 15 months despite aggressive treatments. New therapeutic approaches are needed to prolong survival in this always fatal disease. The CNS has been considered for a long time as an immune privileged organ, in part because of the existence of the blood-brain barrier. Nonetheless, immunotherapy is a novel approach in the therapeutic management of glioma patients, which has shown promising results in several clinical trials, especially in the adult population...
February 2017: Annales de Pathologie
https://www.readbyqxmd.com/read/28109751/cord-blood-natural-killer-cells-expressing-a-dominant-negative-tgf-%C3%AE-receptor-implications-for-adoptive-immunotherapy-for-glioblastoma
#18
Eric S Yvon, Rachel Burga, Allison Powell, Conrad R Cruz, Rohan Fernandes, Cecilia Barese, Tuongvan Nguyen, Mohamed S Abdel-Baki, Catherine M Bollard
Cord blood (CB) natural killer (NK) cells are promising effector cells for tumor immunotherapy but are currently limited by immune-suppressive cytokines in the tumor microenvironment, such as transforming growth factor (TGF-β). We observed that TGF-β inhibits expression of activating receptors such as NKG2D and DNAM1 and decreases killing activity against glioblastoma tumor cells through inhibition of perforin secretion. To overcome the detrimental effects of TGF-β, we engrafted a dominant negative TGF-β receptor II (DNRII) on CB-derived NK cells by retroviral transduction and evaluated their ability to kill glioblastoma cells in the presence of TGF-β...
January 19, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28094259/immunotherapy-glioblastoma-regression-obtained-with-car-t-cells
#19
Peter Sidaway
No abstract text is available yet for this article.
March 2017: Nature Reviews. Clinical Oncology
https://www.readbyqxmd.com/read/28076333/surgical-debulking-promotes-recruitment-of-macrophages-and-triggers-glioblastoma-phagocytosis-in-combination-with-cd47-blocking-immunotherapy
#20
Huaiyang Zhu, Lina Leiss, Ning Yang, Cecilie B Rygh, Siddhartha S Mitra, Samuel H Cheshier, Irving L Weissman, Bin Huang, Hrvoje Miletic, Rolf Bjerkvig, Per Ø Enger, Xingang Li, Jian Wang
Surgical resection is a standard component of treatment in the clinical management of patients with glioblastoma multiforme (GBM). However, experimental therapies are rarely investigated in the context of tumor debulking in preclinical models. Here, a surgical debulking GBM xenograft model was developed in nude rats, and was used in combination with CD47 blocking immunotherapy, a novel treatment strategy that triggers phagocytosis of tumor cells by macrophages in diverse cancer types including GBM. Orthotopic patient-derived xenograft tumors expressing CD47 were resected at 4 weeks after implantation and immediately thereafter treated with anti-CD47 or control antibodies injected into the cavity...
January 6, 2017: Oncotarget
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