71 results about "Intestinal GVHD" patented technology

The invention relates to immunotherapeutic compositions and methods for the treatment and prevention of GVHD, humoral rejection, and post-transplantation lymphoproliferative disorder in human subjects using therapeutic antibodies that bind to the human CD19 antigen and that preferably mediate human ADCC. The present invention relates to pharmaceutical compositions comprising human or humanized anti-CD 19 antibodies of the IgG1 or IgG3 human isotype. The present invention relates to pharmaceutical compositions comprising human or humanized anti-CD19 antibodies of the IgG2 or IgG4 human isotype that preferably mediate human ADCC. The present invention also relates to pharmaceutical compositions comprising chimerized anti-CD19 antibodies of the IgG1, IgG2, IgG3, or IgG4 isotype that mediate human ADCC. In preferred embodiments, the present invention relates to pharmaceutical compositions comprising monoclonal human, humanized, or chimeric anti-CD19 antibodies.

Monoclonal antibodies are identified that bind the IL-21 protein. These antibodies are used to identify regions of the IL-21 protein to where binding neutralizes IL-21 activity. Hybridomas and methods of producing anti-IL-21 monoclonal antibodies are described. The monoclonal antibodies are useful in treating IL-21-mediated diseases, which may include autoimmune and inflammatory diseases such as pancreatitis, type I diabetes (IDDM), Graves Disease, inflammatory bowel disease (IBD), Crohn's Disease, ulcerative colitis, irritable bowel syndrome, multiple sclerosis, rheumatoid arthritis, diverticulosis, systemic lupus erythematosus, psoriasis, ankylosing spondylitis, scleroderma, systemic sclerosis, psoriatic arthritis, osteoarthritis, atopic dermatitis, vitiligo, graft vs. host disease (GVHD), cutaneous T cell lymphoma (CTCL), Sjogren's syndrome, glomerulonephritis, IgA nephropathy, graft versous host disease, transplant rejection, atopic dermatitis, anti-phospholipid syndrome, and asthma, and other autoimmune diseases.

The present invention provides chimeric and humanized versions of anti-CD22 mouse monoclonal antibody, HB22.7. The anti-CD22 antibodies of the invention comprise four human or humanized framework regions of the immunoglobulin heavy chain variable region (“VH”) and four human or humanized framework regions of the immunoglobulin light chain variable region (“VK”). The invention further comprises heavy and/or light chain FW regions that contain one or more backmutations in which a human FW residue is exchanged for the corresponding residue present in the parental mouse heavy or light chain. Human or humanized VH framework regions of antibodies of the invention may comprise one or more of the following residues: a valine (V) at position 24 of framework region 1, a glycine (G) at position 49 of framework region 2, and an asparagine (N) at position 73 of framework region 3, numbered according to Kabat. The invention further relates to pharmaceutical compositions, immunotherapeutic compositions, and methods using therapeutic antibodies that bind to the human CD22 antigen and that preferably mediate human ADCC, CDC, and/or apoptosis for: the treatment of B cell diseases and disorders in human subjects, such as, but not limited to, B cell malignancies, for the treatment and prevention of autoimmune disease, and for the treatment and prevention of graft-versus-host disease (GVHD), humoral rejection, and post-transplantation lymphoproliferative disorder in human transplant recipients.

The present invention provides a novel therapeutic agent for graft-versus-host disease (GVHD).

A therapeutic agent for graft-versus-host disease (GVHD), which comprises an interleukin 6 (IL-6) receptor inhibitor as an active ingredient.

Methods for treating patients having an early B cell derived acute lymphoblastic leukemia with rapamycin or a derivative thereof are provided. Also provided are methods for treating patients having an early B cell derived acute lymphoblastic leukemia with rapamycin or a derivative thereof in combination with an IL-7 inhibitor. Finally methods for preventing GVHD in ALL patients following a bone marrow transplant are disclosed.

The present invention relates to a function inhibitor of an effector cell comprising a CCR5 antagonist. Since the function inhibitor of an effector cell comprising a CCR5 antagonist inhibits the function of effector cells which play an important role in formation of diseases and the like, it is effective for the prevention and/or treatment of, for example, a transplant rejection (e.g., rejection of a solid organ graft, rejection of islet cell transplantation in diabetes mellitus, graft-versus-host disease (GVHD), etc.), an autoimmune disease (e.g., arthritis, rheumatoid arthritis, multiple sclerosis, ulcerative colitis, etc.), an allergic disease (e.g., asthma, etc.), an ischemic disease (e.g., ischemia-reperfusion injury, etc.), cancer or a metastatic disease or the like.

The invention discloses an identification and preparation method and application CD106-positive mesenchymal stem cells. The method comprises the following steps: identifying and isolating CD106-positive cells from mononuclear cells isolated from bone marrow, placenta or other tissues through an immunological method, carrying out adherent culture, and collecting adherent CD106-positive cells; or carrying out adherent culture of mononuclear cells isolated from bone marrow, placenta or other tissues, collecting adherent mesenchymal cells, and isolating the CD106-positive mesenchymal stem cells when the count of the obtained cells is large enough. The CD106-positive cells are mesenchymal stem cells with adherent growth, express mesenchymal stem cell-related immunological phenotype, and have osteogenesis, adipogenesis and other differentiation potencies. Compared with CD106-negative mesenchymal stem cells, the CD106-positive cells have higher immunosuppression capacity, can better inhibit proliferation of IFN-gamma (interferon-gamma) secretion of lymphocytes, and can be used for treating graft versus host disease (GVHD) and autoimmune diseases.

The invention relates to a freeze-drying composition of a posaconazole prodrug and a preparation method and application of the freeze-drying composition of the posaconazole prodrug. The freeze-drying composition has the advantages that the freeze-drying composition is high in water solubility, and safety of the freeze-drying composition is guaranteed due to the fact that cyclodextrins auxiliary materials need not to be added during the preparation of the freeze-drying composition; the freeze-drying composition is suitable for being used for treating various amphotericin-intolerant or refractory adult invasive fungal infections; the freeze-drying composition is used as a preventive drug for high-risk patients, the freeze-drying composition is applicable to patients above 13 years old and with impaired immunity and especially applicable to patients who have graft versus host disease (GVHD) after hematopoietic stem cell transplant, patients with leukemia and patients with long-term leukopenia due to chemotherapy; compared with control drugs such as fluconazole and itraconazole, the freeze-drying composition can effectively prevent invasive aspergillosis and can lower the mortality related to the invasive fungal infections.

The invention belongs to the fields of genetic engineering and synthetic biology, and in particular relates to general type CART/TCRT cells with antibody drug resistance as well as a construction method of the general type CART/TCRT cells. The general type CART/TCRT cells are allogeneic T cells having chimeric antigen receptors and T cell receptors, and alpha and beta chains and CD52 molecules ofthe T cell receptors are knocked out; a technology for knocking out the alpha and beta chains and the CD52 molecules of the T cell receptors is a CRISPR technology; the general type CART/TCRT cells not only retain the targeting of tumor specific antigen, but also eliminate the problems of GvHD and rejection, and weaken the sensitivity to an antibody drug Alemtuzumab; the general type CART/TCRT cells can be used as a general type simple, low-cost and high-activity CART/TCRT cell preparation.

This invention relates generally to methods of treating inflammatory bowel diseases (IBD), asthma, Crohn's Disease (CD), multiple sclerosis (MS), rheumatoid arthritis (RA), graft versus host disease (GVHD), host versus graft disease, and various spondyloarthropathies, comprising administering a steroid-sparing effective amount of an immunoglobulin or small molecule composition to a patient in need thereof. The invention also relates generally to combination therapies for the treatment of these conditions.

The invention relates to the technical field of stem cells and especially relates to an umbilical cord mesenchymal stem cell injection liquid, a preparation method and an application thereof. The injection liquid comprises umbilical cord mesenchymal stem cells, human albumin, low molecular heparin calcium, vitamin C, panax japonicus majoris saponin and a solvent. The injection liquid is prepared from the umbilical cord mesenchymal stem cells, so that the materials are convenient to obtain and the method does not violate ethical issue. The injection liquid can effectively prolong preservative time of the cells and the preserved stem cells have high activity, so that the injection liquid is convenient to use. After refusion, the injection can promote differentiation and maturation of the mesenchymal stem cell to liver cells, thus reducing incidence rate of GVHD.

The present invention relates to methods for preventing or treating Human Immunodeficiency Virus (HIV) infection, inflammatory conditions, and graft-versus-host-disease (GVHD) in a subject. Therapeutic compositions of the present invention comprise Leukocidin E (LukE) and/or D proteins or polypeptides. The invention further relates to methods of treating Staphylococcus aureus infection by administering a composition comprising a CCR5 antagonist or any molecule that blocks LukE/D interaction with CCR5⁺ cells in an amount effective to treat the S. aureus infection in the subject.

The present invention relates to SHIP inhibitor compounds and methods for using these compounds. In particular, the present invention discloses the following methods: (i) a method of treating graft versus host disease in a subject; (ii) a method of inhibiting a SHIP1 protein in a cell; (iii) a method of selectively inhibiting a SHIP1 protein in a cell; (iv) a method for treating or preventing graft-versus-host disease (GVHD) in a recipient of an organ or tissue transplant; (v) a method of modulating SHIP activity in a cell expressing SHIP1 or SHIP2; (vi) a method of ex vivo or in vitro treatment of transplants; (vii) a method of inhibiting tumor growth and metastasis in a subject; (viii) a method of treating a hematologic malignancy in a subject; (ix) a method of inducing apoptosis of multiple myeloma cells; (x) a method of treating multiple myeloma in a subject; (xi) a method of inhibiting the proliferation of a human breast cancer cell; and (xii) a method of treating breast cancer in a subject.

Acute graft versus host disease (GvHD) is one of the most significant clinical problems in allogeneic blood and marrow transplantation. Currently, there is no unequivocal diagnostic test for GvHD until the disease is well developed and can be recognized histologically. The invention provides a blood based test for diagnosis and/or prognosis of GvHD, allowing assessment of risk for developing GvHD prior to appearance of clinical symptoms. Using flow cytometry, peripheral blood mononuclear cells are assessed for an increase in proportion and fluctuation of CD3⁺CD4⁺CD8β⁺ cells. An increase in presence or proportion, or high fluctuation in this cell population prior to onset of clinically recognized indicators of GvHD is predictive of later development of GvHD.

The present invention relates to methods for treating or preventing graft versus host disease (GVHD) in a host subject, with the methods comprising treating either the graft or the host subject or both to reduce the interaction of graft-origin, CD103-expressing cells with cells in the host. The present invention also relates to methods of screening a graft to determine the likelihood of the graft to generate GVHD.

The invention relates to a preparation for inhibiting the immunity and treating the graft-versus-host diseases (GVHD) and a preparation method of the preparation. The preparation method of the preparation comprises the following steps that: mesenchymal stem cells (MSCs) are obtained through inducing monocytes, further, the MSCs are cultured under the low serum condition, finally, the MSCs are separated to obtain a cell-free culture medium, in addition, the cell-free culture medium is subjected to corresponding post treatment, and the preparation can be obtained. In vitro and in vivo experiments show that the preparation for inhibiting the immunity and treating the GVHD can obviously inhibit the immune reaction of receptors so that the GVHD symptoms are effectively relieved.