A new gene therapy entails tumor treatment by introducing an expressible nucleotide sequence for a soluble costimulatory factor, thereby enhancing the response of T-cells to a tumor. In vivo expression of the soluble factor overcomes anergy or tolerance to tumor cells and activates T-cells that are infiltrating or surrounding the tumor. A pharmaceutical composition containing such a gene is effective in tumor suppression.
Viral Vectors And Their Use In Therapeutic Methods
Robert L. Martuza - Marblehead MA, US Samuel Rabkin - Swampscott MA, US William Curry - Boston MA, US Christopher Farrell - Brookline MA, US Cecile Zaupa - Bassoues, FR
Assignee:
The General Hospital Corporation - Boston MA
International Classification:
C12Q 1/70
US Classification:
435 5
Abstract:
Method of stimulating an immune response (e. g. , to treat cancer) include administering to a subject a composition including dendritic cells incubated with (i) oHSV-infected tumor cells or a composition derived therefrom, or (ii) tumor cells plus oHSV, as well as methods of preparing such compositions, are described.
Viral Vectors And Their Use In Therapeutic Methods
Robert Martuza - Marblehead MA, US Samuel Rabkin - Swampscott MA, US Hiroaki Wakimoto - Newton MA, US Ryuichi Kanai - Brookline MA, US
Assignee:
The General Hospital Corporation d/b/a Massachusetts General Hospital - Boston MA
International Classification:
A61K 35/76 C12N 5/071 A61P 35/00 C12Q 1/70
US Classification:
424 932, 435375, 435 5
Abstract:
The invention, in some aspects, relates to the selective killing of cancer stem cells by oncolytic Herpes virus mediated oncolysis. In some aspects, the invention relates to methods for treating a subject having a cancer stem cell by administering to the subject an oncolytic Herpes virus. In other aspects, the invention provides methods for evaluating the efficacy of an oncolytic Herpes virus for killing cancer stem cells.
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