Abstract:
The present disclosure provides methods for inducing tolerance in a recipient to a mismatched graft of an organ, tissue and/or cells. By reactivating the recipient's thymus and providing hematopoietic stem cells from the donor, the previously nullforeignnull matter becomes recognized as nullselfnull in the recipient and is not rejected. The patient's T cell population is depleted. In some embodiments, the hematopoietic stem cells are CD34null. The recipient's thymus is reactivated by disruption of sex steroid mediated signaling to the thymus. In some embodiments, this disruption is created by administration of LHRH agonists, LHRH antagonists, anti-LHRH receptor antibodies, anti-LHRH vaccines or combinations thereof.
Abstract:
Ligands for flt3 receptors capable of transducing self-renewal signals to regulate the growth, proliferation or differentiation of progenitor cells and stem cells are disclosed. The invention is directed to flt3-L as an isolated protein, the DNA encoding the flt3-L, host cells transfected with cDNAs encoding flt3-L, compositions comprising flt3-L, methods of improving gene transfer to a mammal using flt3-L, and methods of improving transplantations using flt3-L. Flt3 -L finds use in treating patients with anemia, AIDS and various cancers.
Abstract:
This invention provides compositions and methods for treating cancer. More specifically this invention is directed to a targeted retroviral vector comprising a cytokine gene that can be administered either alone or in combination with a targeted retroviral vector comprising a cytocidal gene for treating cancer in a subject. Also provided are a kit or drug delivery system comprising the compositions for use in the methods described.
Abstract:
When stimulated through the T cell receptor(TCR)/CD3 complex without requisite costimulation through the CD28/B7 interaction, T cells enter a state of antigen specific unresponsiveness or anergy. This invention is based, at least in part, on the discovery that signaling though a common cytokine receptor null chain (e.g., interleukin-2 receptor, interleukin-4 receptor, interleukin-7 receptor, interleukin-15 receptor) prevents the induction of T cell anergy. This null chain has been found to be associated with a JAK3 kinase having a molecular weight of about 116 kD (as determined by sodium dodecyl sulfate polyacrylamide gel electrophoresis) and signaling through the null chain induces phosphorylation of the JAK3 kinase. Accordingly, methods for stimulating or inhibiting proliferation by a T cell which expresses a cytokine receptor null chain are disclosed.
Abstract:
In one aspect, methods of treating a subject having a cancer that expresses a cytokine receptor are provided. In some embodiments, the method comprises administering to the subject a biologic agent in an amount sufficient to induce loss of cytokine receptor signaling through increased expression of a Suppressor of Cytokine Signaling genes and/or loss of one or more cytokine receptor components from the cancer cell surface. In some embodiments, the biologic agent is a cytokine or cytokine mimetic.
Abstract:
IL-7Rαγc ligands and IL-7Rαγc IgG-Fc fusion proteins are disclosed. The IL-7Rαγc ligands and IL-7Rαγc IgG-Fc fusion proteins are IL-7R agonists.
Abstract:
Provided is a pharmaceutical formulation comprising a modified IL-7 protein. More particularly, it comprises (a) a modified IL-7 fusion protein; (b) a basal buffer with a concentration of 10 to 50 mM; (c) a sugar with a concentration of 2.5 to 5 w/v%; and (d) a surfactant with a concentration of 0.05 to 6 w/v%. Such pharmaceutical formulation of a modified IL-7 fusion protein does not show aggregates formation, but shows protective effects on proteins under stress conditions such as oxidation or agitation, and thus can effectively be used for the treatment of a patient.
Abstract:
The present invention is in the field of immunotherapy. The invention provides non-propagative viral vectors comprising a nucleic acid molecule encoding at least a polypeptide having an IL-7 activity, wherein said non-propagative viral vector is for use in the treatment of immune depression induced by sepsis, burn, trauma, major surgery, senescence and/or coronavirus.
Abstract:
Disclosed are an interleukin combination or fusion proteins for preventing and/or treating malignant tumors, and various products prepared with same and the use thereof.
Abstract:
The present invention relates to a pharmaceutical composition comprising an interleukin-7 fusion protein to which an immunoglobulin Fc region has been fused for preventing or treating diseases caused by influenza virus A. The fusion protein comprising the immunoglobulin Fc region and IL-7 according to the present invention protects the body from infection due to influenza virus A and thus can treat diseases which can be caused by the virus.