摘要:
A small percentage of cells within an established solid tumor have the properties of stem cells. These solid tumor stem cells give rise both to more tumor stem cells and to the majority of cells in the tumor that have lost the capacity for extensive proliferation and the ability to give rise to new tumors. Thus, solid tumor heterogeneity reflects the presence of tumor cell progeny arising from a solid tumor stem cell. We have developed a xenograft model in which we have been able to establish tumors from primary tumors via injection of tumor cells in the mammary gland of severely immunodeficient mice. These xenograft assay have allowed us to do biological and molecular assays to characterize clonogenic solid tumor stem cells. We have also developed evidence that strongly implicates the Notch pathway, especially Notch 4, as playing a central pathway in carcinogenesis.
摘要:
The present invention relates to compositions and methods for characterizing, diagnosing, and treating cancer. In particular the invention provides the means and methods for the diagnosis, characterization, prognosis and treatment of cancer and specifically targeting cancer stem cells. The present invention provides a soluble FZD receptor comprising an extracellular domain of a human FZD receptor that inhibits growth of tumor cells. The present invention still further provides a soluble receptor comprising a Fri domain of a human FZD receptor that binds a ligand of a human FZD receptor and said soluble receptor is capable of inhibiting tumor growth. The present invention still further provides a method of treating cancer comprising administering a soluble FZD receptor comprising for example, either an extracellular domain of a human FZD receptor or a Fri domain of a human FZD receptor, in an amount effective to inhibit tumor growth.
摘要:
The present invention relates to compositions and methods for characterizing, diagnosing, and treating cancer. In particular the invention provides the means and methods for the diagnosis, characterization, prognosis and treatment of cancer and specifically targeting cancer stem cells. The present invention provides an antibody that specifically binds to a non-ligand binding region of the extracellular domain of a human NOTCH receptor and inhibits growth of tumor cells. The present invention further provides a method of treating cancer, the method comprising administering a therapeutically effective amount of an antibody that specifically binds to a non-ligand binding region of the extracellular domain of a human NOTCH receptor protein and inhibits growth of tumor cells.
摘要:
Monoclonal antibodies that specifically bind to an extracellular domain of human Jagged 1 and inhibit growth of a tumor comprising cancer stem cells are described. Also described is a method of treating cancer that comprises administering a therapeutically effective amount of a monoclonal anti-Jagged 1 antibody.
摘要:
An isolated antibody that specifically binds to an extracellular domain of two or more human FZD receptors and inhibits growth of tumor cells is described. Also described is a method of treating cancer comprising administering an antibody of the present disclosure in an amount effective to inhibit tumor cell growth.
摘要:
An isolated antibody that specifically binds to an extracellular domain of human DDR2 and has a therapeutic effect on a solid tumor is described. Also described is a method of treating cancer, the method comprising administering to a patient having a solid tumor an antibody of the present disclosure in a therapeutically effective amount.