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Oncolytic viral therapy

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https://www.readbyqxmd.com/read/28315557/oncolytic-viruses-treatment-and-implications-for-patients-with-gliomas%C3%A2
#1
Cheryl Martin
BACKGROUND: Oncolytic viral therapies are increasingly being explored for the treatment of diverse cancer types, most notably melanoma. However, advances in the treatment of high-grade gliomas, and specifically glioblastoma multiforme (GBM), are the result of novel oncolytic viral therapies. Delta-24-RGD is one such therapy that has demonstrated promising results in phase 1 trials.
. OBJECTIVES: The objective of this article is to provide an overview of Delta-24-RGD, highlighting considerations for nurses in diverse clinical, research, and advanced practice roles...
April 1, 2017: Clinical Journal of Oncology Nursing
https://www.readbyqxmd.com/read/28315552/cancer-immunotherapy-an-evidence-based-overview-and-implications-for-practice
#2
Virginia Bayer, Beau Amaya, Diane Baniewicz, Colleen Callahan, Lisa Marsh, Asia S McCoy
BACKGROUND: Significant research progress has been made in immunotherapies since the mid-1990s, and this rapid evolution necessitates evidence-based education on immunotherapies, their pathophysiology, and their toxicities to provide safe, effective care.
. OBJECTIVES: The aim of this article is to provide an evidence-based overview, with implications for practice, of checkpoint inhibitors, monoclonal antibodies, oncolytic viral therapies, and chimeric antigen receptor T-cell therapies...
April 1, 2017: Clinical Journal of Oncology Nursing
https://www.readbyqxmd.com/read/28300077/translational-reprogramming-in-tumour-cells-can-generate-oncoselectivity-in-viral-therapies
#3
Eneko Villanueva, Pilar Navarro, Maria Rovira-Rigau, Annarita Sibilio, Raúl Méndez, Cristina Fillat
Systemic treatment of cancer requires tumour-selective therapies that eliminate cancer cells yet preserve healthy tissues from undesired damage. Tumoral transformation is associated with profound effects in translational reprogramming of gene expression, such that tumour-specific translational regulation presents an attractive possibility for generating oncoselective therapies. We recently discovered that mRNA translational control by cytoplasmic polyadenylation element-binding proteins (CPEBs) is reactivated in cancer...
March 16, 2017: Nature Communications
https://www.readbyqxmd.com/read/28287517/microrna-based-regulation-of-picornavirus-tropism
#4
Autumn J Ruiz, Stephen J Russell
Cell-specific restriction of viral replication without concomitant attenuation can benefit vaccine development, gene therapy, oncolytic virotherapy, and understanding the biological properties of viruses. There are several mechanisms for regulating viral tropism, however they tend to be virus class specific and many result in virus attenuation. Additionally, many viruses, including picornaviruses, exhibit size constraints that do not allow for incorporation of large amounts of foreign genetic material required for some targeting methods...
February 6, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28274139/immune-and-viral-therapies-for-malignant-primary-brain-tumors
#5
Andrew M Gardeck, Jordan Sheehan, Walter C Low
Glioblastoma multiforme (GBM) is a primary brain tumor with great lethality. Current standard of care with surgery, radiation therapy, and chemotherapy are ineffective in curing this disease. Recent advancements in biological therapies show promise in treating brain tumors. Areas covered: This article provides a review of: the peripheral activation of antigen presenting cells such as dendritic cells to stimulate T cells to recognize and destroy tumor cells within the brain; the ex vivo expansion and transfer of dendritic cells, T cells, and engineered T cells expressing chimeric antigen receptors to target cells bearing specific tumor antigens as well as monoclonal antibodies as immune check point inhibitors...
April 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/28265902/oncolytic-virotherapy-for-the-treatment-of-malignant-glioma
#6
REVIEW
Paul M Foreman, Gregory K Friedman, Kevin A Cassady, James M Markert
Malignant glioma is the most common primary brain tumor and carries a grim prognosis, with a median survival of just over 14 months. Given the poor outcomes with standard-of-care treatments, novel treatment strategies are needed. The concept of virotherapy for the treatment of malignant tumors dates back more than a century and can be divided into replication-competent oncolytic viruses and replication-deficient viral vectors. Oncolytic viruses are designed to selectively target, infect, and replicate in tumor cells, while sparing surrounding normal brain...
March 6, 2017: Neurotherapeutics: the Journal of the American Society for Experimental NeuroTherapeutics
https://www.readbyqxmd.com/read/28237836/inhibitory-receptors-induced-by-vsv-viroimmunotherapy-are-not-necessarily-targets-for-improving-treatment-efficacy
#7
Kevin G Shim, Shane Zaidi, Jill Thompson, Tim Kottke, Laura Evgin, Karishma R Rajani, Matthew Schuelke, Christopher B Driscoll, Amanda Huff, Jose S Pulido, Richard G Vile
Systemic viroimmunotherapy activates endogenous innate and adaptive immune responses against both viral and tumor antigens. We have shown that therapy with vesicular stomatitis virus (VSV) engineered to express a tumor-associated antigen activates antigen-specific adoptively transferred T cells (adoptive cell therapy, ACT) in vivo to generate effective therapy. The overall goal of this study was to phenotypically characterize the immune response to VSV+ACT therapy and use the information gained to rationally improve combination therapy...
February 22, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28228083/oncolytic-virus-regulatory-aspects-from-quality-control-to-clinical-studies
#8
Teruhide Yamaguchi, Eriko Uchida
Oncolytic viruses, which include both naturally occurring wild-type viruses/attenuated viruses and genetically modified viruses, have recently been developed for use in innovative cancer therapies. Genetically modified oncolytic viruses possess the unique ability to replicate conditionally as a unique gene therapy product. Since oncolytic viruses exhibit prolonged persistence in patients, viral shedding and transmission to third parties should be major concerns for clinical trials, along with the clinical safety and efficacy...
February 22, 2017: Current Cancer Drug Targets
https://www.readbyqxmd.com/read/28186974/a-notch-sensitive-upar-regulated-oncolytic-adenovirus-effectively-suppresses-pancreatic-tumor-growth-and-triggers-synergistic-anticancer-effects-with-gemcitabine-and-nab-paclitaxel
#9
Ana Mato-Berciano, Giulia Raimondi, Maria Victoria Maliandi, Ramon Alemany, Lluis Montoliu, Cristina Fillat
Notch signaling pathway is an embryonic program that becomes reactivated in pancreatic cancer and contributes to cancer stem cell (CSC) maintenance. We explored the concept of oncolytic adenoviral activity in response to Notch activation signaling, in the context of a chimeric promoter with uPAR regulatory sequences, as a strategy to drive its activity in neoplastic and CSC. We explored the advantages of a chemo-virotherapy approach based on synergistic combinations. Regulatory sequences recognized by the transcriptional factor CSL upstream a minimal uPAR promoter were engineered in adenoviral vectors and in the oncolytic adenovirus AdNuPARmE1A...
February 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28178658/prime-boost-immunization-by-both-dna-vaccine-and-oncolytic-adenovirus-expressing-gm-csf-and-shrna-of-tgf-%C3%AE-2-induces-anti-tumor-immune-activation
#10
So Young Kim, Dongxu Kang, Hye Jin Choi, Yeonsoo Joo, Joo-Hang Kim, Jae J Song
A successful DNA vaccine for the treatment of tumors should break established immune tolerance to tumor antigen. However, due to the relatively low immunogenicity of DNA vaccines, compared to other kinds of vaccines using live virus or protein, a recombinant viral vector was used to enhance humoral and cellular immunity. In the current study, we sought to develop a novel anti-cancer agent as a complex of DNA and oncolytic adenovirus for the treatment of malignant melanoma in the C57BL/6 mouse model. MART1, a human melanoma-specific tumor antigen, was used to induce an increased immune reaction, since a MART1-protective response is required to overcome immune tolerance to the melanoma antigen MelanA...
February 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28138026/preclinical-evaluation-of-sequential-combination-of-oncolytic-adenovirus-delta-24-rgd-and-phosphatidylserine-targeting-antibody-in-pancreatic-ductal-adenocarcinoma
#11
Bingbing Dai, David Roife, Ya'an Kang, Joy Gumin, Mayrim V Rios Perez, Xinqun Li, Michael Pratt, Rolf A Brekken, Juan Fueyo-Margareto, Frederick F Lang, Jason B Fleming
Delta-24-RGD (DNX-2401) is a conditional replication-competent oncolytic virus engineered to preferentially replicate in and lyse tumor cells with abnormality of p16/RB/E2F pathway. In a phase 1 clinical trial, Delta-24-RGD has shown favorable safety profile and promising clinical efficacy in brain tumor, which prompted us to evaluate its anticancer activity in pancreatic ductal adenocarcinoma (PDAC), which also has high frequency of homozygous deletion and promoter methylation of CDKN2A encoding the p16 protein...
January 30, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28130800/clinical-considerations-for-oncolytic-viral-therapies-a-regulatory-perspective
#12
Ke Liu
No abstract text is available yet for this article.
January 28, 2017: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28087981/humanized-chondroitinase-abc-sensitizes-glioblastoma-cells-to-temozolomide
#13
Alena Cristina Jaime-Ramirez, Nina Dmitrieva, Ji Young Yoo, Yeshavanth Banasavadi-Siddegowda, Jianying Zhang, Theresa Relation, Chelsea Bolyard-Blessing, Jeffrey Wojton, Balveen Kaur
INTRODUCTION: Malignant gliomas (GBMs) are extremely aggressive and have a median survival of approximately 15 months. Current treatment modalities, which include surgical resection, radiation and chemotherapy, have done little to prolong the lives of GBM patients. Chondroitin sulfate proteoglycans (CSPG) are critical for cell-cell and cell-extra cellular matrix (ECM) interactions and are implicated in glioma growth and invasion. Chondroitinase (Chase) ABC is a bacterial enzyme that cleaves chondroitin sulfate disaccharide chains from CSPGs in the tumor ECM...
January 14, 2017: Journal of Gene Medicine
https://www.readbyqxmd.com/read/28077642/studies-on-the-interaction-of-tumor-derived-hd5-alpha-defensins-with-adenoviruses-and-implications-for-oncolytic-adenovirus-therapy
#14
Charles Vragniau, Jens-Martin Hübner, Peter Beidler, Sucheol Gil, Kamola Saydaminova, Zhuo-Zhuang Lu, Roma Yumul, Hongjie Wang, Maximilian Richter, Pavel Sova, Charles Drescher, Pascal Fender, André Lieber
Defensins are small antimicrobial peptides capable of neutralizing human adenovirus (HAdV) in vitro by binding capsid proteins and blocking endosomal escape of virus. In humans, the alpha defensin HD5 is produced by specialized epithelial cells of the gastrointestinal and genito-urinary tracts. Here, we demonstrate, using patient biopsy specimens, that HD5 is also expressed as an active, secreted peptide by epithelial ovarian and lung cancer cells in situ This finding prompted us to study the role of HD5 in infection and spread of replication-competent, oncolytic HAdV type 3 (HAdV3)...
March 15, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28061981/talimogene-laherparepvec-t-vec-for-the-treatment-of-melanoma-and-other-cancers
#15
REVIEW
Claud Grigg, Zoë Blake, Robyn Gartrell, Adrian Sacher, Bret Taback, Yvonne Saenger
Talimogene laherparepvec (T-Vec) is the first live virus to be approved by the US Food and Drug Administration for the treatment of cancer. This engineered version of herpes simplex virus type 1 (HSV-1) is the product of decades of preclinical work aimed at identifying and modifying aspects of the viral genome involved in virulence and immunogenicity. T-Vec preferentially infects and lyses tumor cells and, in some cases, induces a systemic immune response against the tumor. These properties have translated into significant and durable clinical responses, particularly in advanced melanoma...
December 2016: Seminars in Oncology
https://www.readbyqxmd.com/read/28053943/novel-oncolytic-viral-therapies-in-patients-with-thoracic-malignancies
#16
REVIEW
Zeeshan Ahmad, Robert A Kratzke
Oncolytic virotherapy is the use of replication-competent viruses to treat malignancies. The potential of oncolytic virotherapy as an approach to cancer therapy is based on historical evidence that certain viral infections can cause spontaneous remission of both hematologic and solid tumor malignancies. Oncolytic virotherapy may eliminate cancer cells through either direct oncolysis of infected tumor cells or indirect immune-mediated oncolysis of uninfected tumor cells. Recent advances in oncolytic virotherapy include the development of a wide variety of genetically attenuated RNA viruses with precise cellular tropism and the identification of cell-surface receptors that facilitate viral transfer to the tissue of interest...
2017: Oncolytic Virotherapy
https://www.readbyqxmd.com/read/28052356/an-overview-of-the-changing-landscape-of-treatment-for%C3%A2-advanced-melanoma
#17
REVIEW
Chung-Shien Lee, Christan M Thomas, Kimberly E Ng
Melanoma-the deadliest form of skin cancer-leads to thousands of deaths each year. Although melanoma is less common than basal cell and squamous cell skin cancers, melanoma is more dangerous because it is more likely to spread to other parts of the body, such as lymph nodes, if not diagnosed and treated early. Data from the National Cancer Institute indicate a steady rise in new cases of melanoma and, unfortunately, a steady rate in the number of deaths through 2013. Ninety percent of melanomas are linked to inadequate sun protection from ultraviolet rays or the tanning habits of young adults...
March 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28042949/recombinant-parvoviruses-armed-to-deliver-cxcl4l1-and-cxcl10-are-impaired-in-their-antiangiogenic-and-antitumoral-effects-in-a-kaposi-sarcoma-tumor-model-due-to-the-chemokines-interference-with-the-virus-cycle
#18
Christiane Dinsart, Kalliopi Pervolaraki, Alexandra Stroh-Dege, Muriel Lavie, Isabelle Ronsse, Jean Rommelaere, Jo Van Damme, Katrien Van Raemdonck, Sofie Struyf
Application of oncolytic viruses is a valuable option to broaden the armament of anticancer therapies, as these combine specific cytotoxic effects and immune-stimulating properties. The self-replicating H-1 parvovirus (H-1PV) is a prototypical oncolytic virus that, besides targeting tumor cells, also infects endothelial cells, thus combining oncolytic and angiostatic traits. To increase its therapeutic value, H-1PV can be armed with cytokines or chemokines to enhance the immunological response. Some chemokines-more specifically, the CXCR3 ligands CXCL4L1 and CXCL10-combine immune-stimulating properties with angiostatic activity...
March 2017: Human Gene Therapy
https://www.readbyqxmd.com/read/27988837/talimogene-laherparepvec-t-vec-and-other-oncolytic-viruses-for-the-treatment-of-melanoma
#19
REVIEW
Praveen K Bommareddy, Anand Patel, Saamia Hossain, Howard L Kaufman
Many mammalian viruses have properties that can be commandeered for the treatment of cancer. These characteristics include preferential infection and replication in tumor cells, the initiation of tumor cell lysis, and the induction of innate and adaptive anti-tumor immunity. Furthermore, viruses can be genetically engineered to reduce pathogenicity and increase immunogenicity resulting in minimally toxic therapeutic agents. Talimogene laherparepvec (T-VEC; Imlygic™), is a genetically modified herpes simplex virus, type 1, and is the first oncolytic virus therapy to be approved for the treatment of advanced melanoma by the US FDA...
February 2017: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/27922859/fdg-pet-ct-for-monitoring-response-of-melanoma-to-the-novel-oncolytic-viral-therapy-talimogene-laherparepvec
#20
Matthew F Covington, Clara N Curiel, Lois Lattimore, Ryan J Avery, Phillip H Kuo
61-year-old woman with stage IIIa (T3a N1a M0) left lower leg melanoma with lesions suggestive of in-transit metastases 8 months following wide local excision and femoral nodal dissection. FDG-PET/CT demonstrated 5 FDG-avid in-transit nodal metastases in the distal left leg, confirmed on biopsy. Talimogene laherparepvec (T-VEC) oncolytic immunotherapy consisting of intralesional injections of modified herpes simplex virus-expressing granulocyte-macrophage colony-stimulating factor was completed over 6 months...
February 2017: Clinical Nuclear Medicine
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