نتایج جستجو برای: oncolytic viruses
تعداد نتایج: 102002 فیلتر نتایج به سال:
With the approval of talimogene laherparepvec (T-VEC) for inoperable locally advanced or metastatic malignant melanoma in the USA and Europe, oncolytic virotherapy is now emerging as a viable therapeutic option for cancer patients. In parallel, following the favourable results of several clinical trials, adoptive cell transfer using chimeric antigen receptor (CAR)-redirected T-cells is anticipa...
Colorectal cancer (CRC) detected at an early stage has a good prognosis, however, recurrence of the disease is prevalent and late stage CRC (stage IIIC and IV) has observed 5-year survival rates of 28% and 6%, respectively. Oncolytic virotherapy has been explored as a potential treatment modality in cancer therapy for its safety and tumor specificity. We recently reported that oncolytic vaccini...
BACKGROUND Although disease remission can frequently be achieved for patients with neuroblastoma, relapse is common. The cancer stem cell theory suggests that rare tumorigenic cells, resistant to conventional therapy, are responsible for relapse. If true for neuroblastoma, improved cure rates may only be achieved via identification and therapeutic targeting of the neuroblastoma tumor initiating...
Although results of cancer treatment have improved steadily, metastatic solid tumors can be cured only rarely and therefore new modalities are needed. Tumors often become apoptosis-resistant and capable of excluding drugs during therapy. Similar mechanisms of resistance apply to many treatment regimens, and cross-resistance between different chemotherapeutics often limits the treatment options....
Oncolytic viruses are generally designed to be cancer selective on the basis of a single genetic mutation. JX-594 is a thymidine kinase (TK) gene-inactivated oncolytic vaccinia virus expressing granulocyte-macrophage colony-stimulating factor (GM-CSF) and lac-Z transgenes that is designed to destroy cancer cells through replication-dependent cell lysis and stimulation of antitumoral immunity. J...
Oncolytic viruses hold promise as "self-amplifying" cancer therapies wherein a virally killed cell can produce thousands of new viral "drugs" that can kill more cancer cells. Adenoviruses (Ads) are one family of oncolytic viruses. Most human studies have used human Ad serotype 5 (Ad5). Unfortunately, most patients are already immune to Ad5 increasing the likelihood that the agent will be neutra...
Mumps virus belongs to the family of Paramyxoviridae and has the potential to be an oncolytic agent. Mumps virus Urabe strain had been tested in the clinical setting as a treatment for human cancer four decades ago in Japan. These clinical studies demonstrated that mumps virus could be a promising cancer therapeutic agent that showed significant antitumor activity against various types of cance...
Oncolytic virus research got a welcome boost last November when Chinese regulators approved the world’s fi rst oncolytic viral therapy for cancer, Shanghai Sunway Biotech’s genetically modifi ed adenovirus H101. “ It’s fantastic for the fi eld, ” said John Bell , Ph.D., of the Ottawa Health Research Institute in Canada. “ We needed to have something that was a success, and so I think this is a ...
Oncolytic viruses selectively replicate in cancer cells by exploiting biochemical differences between normal and tumor cells. Treatment with epigenetic modifiers such as 5-Azacytidine, a DNA methyltransferase inhibitor, increases the replication and cytotoxicity of oncolytic viruses in vivo and in vitro. The cotton rat is an attractive animal to study oncolytic viruses, as syngeneic models of b...
Cancer is one of the major causes of death worldwide. In spite of achieving significant successes in medical sciences in the past few decades, the number of deaths due to cancer remains unchecked. The conventional chemotherapy and radiotherapy have limited therapeutic index and a plethora of treatment related side effects. This situation has provided an impetus for search of novel therapeutic s...
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