Leukocyte Patents (Class 424/93.71)
  • Patent number: 8128922
    Abstract: Nucleic acids encoding a chimeric or fusion polypeptide which polypeptide comprises a first domain comprising a translocation polypeptide; and a second domain comprising at least one antigenic peptide are disclosed. The preferred translocation polypeptide is a bacterial toxin translocation polypeptide, such as domain II of Pseudomonas aeruginosa exotoxin A (ETA(dII)). Such nucleic acids, expression vectors thereof, and cells expressing these vectors are used as vaccine compositions in a method for enhancing an antigen specific immune response, a method of increasing the numbers of CD8+ CTLs specific for a selected desired antigen in a subject, or a method of inhibiting the growth of a tumor in a subject.
    Type: Grant
    Filed: April 4, 2002
    Date of Patent: March 6, 2012
    Assignee: Johns Hopkins University
    Inventors: Tzyy-Choou Wu, Chien-Fu Hung
  • Publication number: 20120052059
    Abstract: Isolated regulatory B cells are disclosed, and compositions including these isolated regulatory B cells. The isolated regulatory B cells are mammalian and express T cell immunoglobulin mucin-1 (TIM-1). In some embodiments the regulatory B cells produce IL-10. Methods for treating a subject with an immune-mediated disorder are disclosed. These methods include administering to the subject a therapeutically effective amount of a composition including regulatory B cells, thereby treating the immune mediated disorder in the subject. Methods are also disclosed for treating a subject with an immune-mediated disorder, wherein the methods include administering to the subject a therapeutically effective amount of an antibody that specifically binds TIM-1, wherein the antibody is activates TIM-1+CD19+ B cells. Methods are also disclosed for assessing the immune status of a subject.
    Type: Application
    Filed: August 31, 2011
    Publication date: March 1, 2012
    Inventors: David Rothstein, Qing Ding
  • Publication number: 20120052116
    Abstract: The invention provides a peptide comprising a human cytolytic T lymphocyte (CTL) epitope from the human tumor-associated antigen (TAA) New Gene Expressed in Prostate (NGEP), which can be used in vaccine prevention or therapy of prostate cancer, as well as a nucleic acid encoding the peptide, a vector comprising the nucleic acid, a cell comprising the peptide, nucleic acid, or vector, and compositions thereof.
    Type: Application
    Filed: April 19, 2010
    Publication date: March 1, 2012
    Applicant: The United States of America, as represented by the Secretary, Dept. of Health and Human Services
    Inventors: Jeffrey Schlom, Kwong-Yok Tsang, Ira Pastan
  • Patent number: 8124069
    Abstract: The invention provides relatively short immunogenic peptides, and biologically active variants thereof, associated with leukemia which elicit an immune response. Nucleic acids encoding the immunogenic peptides and antibodies specific for the peptides are also provided. The immunogenic peptides can be included in pharmaceutical compositions, such as cancer vaccines, and used for the treatment of cancer.
    Type: Grant
    Filed: March 20, 2009
    Date of Patent: February 28, 2012
    Assignee: Rush University Medical Center
    Inventors: Joo-Eun Bae, Hans-G. Klingemann
  • Publication number: 20120045423
    Abstract: A novel cell type has been generated that has both Th1 characteristics and cytolytic activity. These Th1/killer cells are CD4+ cells purified from peripheral blood and manipulated to have Th1 characteristics such as production of IFN-gamma combined with cytolytic activity similar to cytotoxic T-cells (CTL). The CTL activity is targeted toward diseased cells, not normal cells. The cytolytic activity of the Th1/killer cells is mediated by Granzyme B-Perforin mechanism and results in apoptotic death of diseased cells. Methods of producing and using these Th1/killer cells include isolating CD4+ cells from peripheral blood, activating the CD4+ T-cells to form Th1/killer cells and administering these Th1/killer cells with the cytolytic activity to a patient wherein the Th1/killer cells are allogeneic to the patient.
    Type: Application
    Filed: August 22, 2011
    Publication date: February 23, 2012
    Applicant: Immunovative Therapies LTd.
    Inventor: Michael Har-Noy
  • Publication number: 20120034249
    Abstract: The present invention relates generally to the treatment of PML by infusion of activated and expanded autologous lymphocytes.
    Type: Application
    Filed: February 24, 2010
    Publication date: February 9, 2012
    Inventors: Carl H. June, Bruce Levine, Anne Chew, Stephen J. Schuster
  • Publication number: 20120027739
    Abstract: A T cell receptor (TCR) having the property of binding to EVDPIGHLY HLA-A1 complex and comprising a specified wild type TCR which has specific mutations in the TCR alpha variable domain and/or the TCR beta variable domain to increase affinity. Such TCRs are useful for adoptive therapy.
    Type: Application
    Filed: August 4, 2010
    Publication date: February 2, 2012
    Applicant: Immunocore Limited
    Inventors: Bent Karsten Jakobsen, Nathaniel Ross Liddy
  • Patent number: 8101173
    Abstract: The present invention discloses an immunotherapeutic method for treating a patient suffering from urinary bladder cancer by administering expanded tumour-reactive CD4+ helper and/or CD8+ T-lymphocytes obtainable from one or more sentinel or metinel lymph nodes draining a tumour in the bladder or a metastasis arising from a tumour in the bladder. The method provides a new effective method for treating urinary bladder cancer and metastatic bladder cancer, without adverse side effects associated with the known treatments.
    Type: Grant
    Filed: December 20, 2006
    Date of Patent: January 24, 2012
    Assignee: Sentoclone International AB
    Inventors: Ola Winqvist, Magnus Thörn
  • Publication number: 20120016489
    Abstract: Implantable pliable bone blocks comprising a solid block of cortical bone characterized by a length, width and thickness, having a first and a second face on opposite sides of the block. The first and second faces have a plurality slot features. The angle of incidence of the slot features of the first face and the x-axis and the angle of incidence of the slot features of the second face and the x-axis (a2) are such that the slots would intersect if they were in the same plane. Methods are provided for making implantable pliable bone blocks.
    Type: Application
    Filed: July 16, 2010
    Publication date: January 19, 2012
    Applicant: EBI, LLC
    Inventor: Bradford J. COALE
  • Patent number: 8097243
    Abstract: The present invention provides an effective method for the transfection of dendritic cells by non-viral methods. The present invention provides this benefit by incubating dendritic cells and a specified transfection agent. The transfection agent comprises a polynucleotide and microparticles, with the microparticles being comprised of biodegradable polymer and cationic detergent. The dendritic cells and transfection agent are incubated for a time sufficient to transfect the dendritic cells with the polynucleotide.
    Type: Grant
    Filed: April 6, 2010
    Date of Patent: January 17, 2012
    Assignee: Novartis Vaccines and Diagnostics, Inc.
    Inventors: John J. Donnelly, Kimberly S. Denis-Mize, Gary S. Ott
  • Publication number: 20120009166
    Abstract: The invention provides methods of using isolated monocyte populations to treat subjects suffering from various ocular vascular disease or ocular degenerative disorders. The present invention also provides novel methods for isolating substantially pure monocyte populations. The methods involve extracting a blood sample or a bone marrow sample from a subject, debulking red blood cells from the sample, and then separating remaining red blood cells and other cell types in the sample from monocytes. Instead of using any selection or labeling agents, the red blood cells and other cell types are separated from monocytes based on their size, granularity or density. The isolated monocytes can be further activated in vitro or ex vivo prior to being administered to a subject. Isolated cell populations containing substantially pure CD14+/CD33+ monocytes are also provided in the invention.
    Type: Application
    Filed: August 15, 2011
    Publication date: January 12, 2012
    Applicant: The Scripps Research Institute
    Inventors: Martin Friedlander, Matthew R. Ritter, Stacey K. Moreno, Mohammad A. El-Kalay
  • Publication number: 20110319868
    Abstract: Described are methods, cell growth substrates, and devices that are useful in preparing cell-containing graft materials for administration to patients. Tubular passages can be defined in cell growth substrates to promote distribution of cells into the substrates. Also described are methods and devices for preparing cell-seeded graft compositions, methods and devices for preconditioning cell growth substrates prior to application of cells, and cell seeded grafts having novel substrates, and uses thereof.
    Type: Application
    Filed: May 25, 2011
    Publication date: December 29, 2011
    Inventors: Michael C. Hiles, Chad E. Johnson, Neal E. Fearnot, Thomas Payne, Ronald Jankowski
  • Patent number: 8084236
    Abstract: Methods and compositions for modifying glycans (e.g., glycans expressed on the surface of live cells or cell particles) are provided herein.
    Type: Grant
    Filed: June 4, 2007
    Date of Patent: December 27, 2011
    Inventor: Robert Sackstein
  • Publication number: 20110305680
    Abstract: The present invention relates to a composition for differentiating natural killer cells comprising osteopontin (OPN) as an active ingredient and a method for differentiation using the same. More precisely, osteopontin of the present invention accelerates differentiation of natural killer cells from hematopoietic stem cells and increases cytotoxic activity of natural killer cells, so that it can be effectively used as a composition for differentiating natural killer cells. OPN of the present invention regulates differentiation of natural killer cells capable of killing cancer cells, so that it can be effectively used for the treatment of cancer.
    Type: Application
    Filed: November 10, 2008
    Publication date: December 15, 2011
    Applicant: KOREA RESEARCH INSTITUTE OF BIOSCIENCE AND BIOTECHNOLOGY
    Inventors: Inpyo Choi, Jin Woong Chung, Misun Kim, Suk Ran Yoon
  • Patent number: 8076132
    Abstract: The invention relates to a method of treating tumor cells within a patient wherein immature dendritic cells developed from the patient's monocyte cells and a lymphocyte cultured medium (LCM) adjuvant are introduced into the patient directly into the patient's tumor cells. The immature dendritic cells and LCM adjuvant combine with the antigens in the tumor cells to form a cancer vaccine, thereby immediately treating the tumor cells of the patient. The invention also provides a precursor treatment step of treating the patient with radiation therapy or a chemotherapy regimen.
    Type: Grant
    Filed: April 10, 2008
    Date of Patent: December 13, 2011
    Assignee: Hasumi International Research Foundation
    Inventor: Kenichiro Hasumi
  • Patent number: 8076134
    Abstract: The invention provides CD4+CD25? T cells and Tr1-like regulatory T cells (i.e., contact-independent Type 1-like regulatory T cells), processes for their production and their use for regulatory purposes.
    Type: Grant
    Filed: June 20, 2007
    Date of Patent: December 13, 2011
    Assignee: Argos Therapeutics, Inc.
    Inventors: Gerold Schuler, Detlef Dieckmann
  • Patent number: 8075882
    Abstract: Adoptive immune cells obtained by a method including (a) obtaining mammalian antigen-presenting associated cells; (b) culturing the resulting cells from step (a) in a culture liquid contained in a culture vessel coated with a sugar chain-containing polymer; and (c) detaching the cells from step (b) by shaking the culture vessel without treating the cells with an enzyme and without using a cell detaching tool. A method for treating a malignant tumor, type I diabetes, an atopic allergic disease or an infection, by administering the adoptive immune cells to a patient. A pharmaceutical composition for treating a malignant tumor, type I diabetes, an atopic allergic disease or an infection, including the adoptive immune cells and a pharmaceutically acceptable carrier.
    Type: Grant
    Filed: December 8, 2009
    Date of Patent: December 13, 2011
    Assignees: Shukokai Incorporated, JSR Corporation
    Inventors: Kenichiro Hasumi, Akira Imaizumi, Masamichi Iwama, Mitsuaki Goto
  • Publication number: 20110300119
    Abstract: Disclosed are methods of isolating and using a population of FOXP3+ regulatory T cells in a variety of preventative and therapeutic approaches to autoimmune diseases, graft-versus-host disease and transplant rejection.
    Type: Application
    Filed: August 21, 2009
    Publication date: December 8, 2011
    Applicant: THE UNITED STATES OF AMERICA, as represented by THE SECRETARY, DEPARTMENT OF HEALTH
    Inventors: Dat Tran, Ethan M. Shevach
  • Publication number: 20110293705
    Abstract: The invention provides compositions and methods for delivering agents to localized regions, tissues, or organs in vivo by conjugating agent-loaded nanoparticles to cells having homing capability. The agents may be therapeutic or diagnostic agents such as cancer chemotherapeutic agents and imaging agents respectively.
    Type: Application
    Filed: November 24, 2009
    Publication date: December 1, 2011
    Applicant: Massachusetts Institute of Technology
    Inventors: Darrell J. Irvine, Matthias Stephan, Jaehyun Moon, Anna Bershteyn
  • Patent number: 8066989
    Abstract: The present invention refers to a method of treating tumor growth and metastasis in a mammal, the treating comprising administering allogeneic effector cells together with trifunctional bispecific or trispecific antibodies or a combination thereof having the following properties: a) binding to a T cell b) binding to at least one antigen on a tumor cell c) binding via their Fc portion in the case of trifunctional bispecific antibodies or via third specificity in the case of trispecific antibodies to Fc receptor positive cells; the antibodies redirecting the allogenic cells away from host tissues in order to substantially reduce or avoid a graft versus host disease.
    Type: Grant
    Filed: November 30, 2004
    Date of Patent: November 29, 2011
    Assignee: Trion Pharma GmbH
    Inventors: Horst Lindhofer, Shimon Slavin, Shoshana Morecki
  • Publication number: 20110287048
    Abstract: Antigen specific regulatory T cells are described and related compositions, methods and systems. Methods to generate an antigen specific anti-inflammatory regulatory T cell is provided, the method comprising contacting either a T cell or an antigen presenting cell with a zwitterionic polysaccharide conjugated to the antigen for a time and under condition to generate an antigen specific regulatory T cell that is capable of inhibiting a pro-inflammatory response against the antigen.
    Type: Application
    Filed: May 20, 2011
    Publication date: November 24, 2011
    Inventors: June L. Round, Sarkis K. Mazmanian
  • Publication number: 20110280849
    Abstract: Provided herein are methods of suppressing tumor cell proliferation, of treating individuals having cancer or a viral infection, comprising contacting the tumor cells, or administering to the individual, placental perfusate, placental perfusate cells, or natural killer cells, e.g., placenta-derived intermediate natural killer cells, with an immunomodulatory compound or thalidomide.
    Type: Application
    Filed: March 24, 2011
    Publication date: November 17, 2011
    Applicant: Anthrogenesis Corporation
    Inventors: Xiaokui ZHANG, Lin Kang, Mohammad A. Heidaran, Stephen Jasko, Andrew Zeitlin, Ajai Pal, Robert J. Hariri
  • Publication number: 20110274653
    Abstract: Immunostimulatory compositions and methods comprising an ITIM motif-containing DC immunoreceptor (DCIR) to mediate potent crosspresentation are described herein. The inventors evaluated human CD8+ T cell responses generated by targeting antigens to dendritic cells (DCs) through various lectin receptors. A single exposure to a low dose of anti-DCIR-antigen conjugate initiated antigen-specific CD8+ T cell immunity by all human DC subsets including ex vivo generated DCs, skin-isolated Langerhans cells and blood mDCs and pDCs. Enhanced specific CD8+ T cell responses were observed when antigens like, FluMP, MART-1, viral (HIV gag), etc. were delivered to the DCs via DCIR, compared to those induced by a free antigen, or antigen conjugated to a control mAb or delivered via DC-SIGN, another lectin receptor. Addition of Toll-like receptor (TLR) 7/8-agonist enhanced DCIR-mediated crosspresentation as well as crosspriming.
    Type: Application
    Filed: May 4, 2011
    Publication date: November 10, 2011
    Applicant: Baylor Research Institute
    Inventors: Jacques F. Banchereau, Eynav Klechevsky, Gerard Zurawski, Sandra Zurawski
  • Publication number: 20110274671
    Abstract: Human progenitor T cells that are able to successfully engraft a murine thymus and differentiate into mature human T and NK cells are described The human progenitor T cells have the phenotype CD34+CD7+CD1a?CD5? or CD34+CD7+CD1a?CD5+ and are derived from human hematopoietic stem cells, embryonic stem cells and induced pluripotent stem cells b\ coculture with cells expressing a Notch receptor ligand (OP9-DL1 or OP9-DL4) Such cells are useful in a variety of applications including immune reconstitution, the treatment of immunodeficiencies and as carriers for genes used in gene therapy.
    Type: Application
    Filed: November 6, 2009
    Publication date: November 10, 2011
    Inventors: Juan Carlos Zuniga-Pflucker, Geneve Awong, Ross La Motte-Mohs
  • Publication number: 20110274674
    Abstract: The present invention is directed to compositions and methods for treatment of ischemic diseases and conditions, particularly myocardial, CNS/brain and limb ischemia. More particularly, the present invention provides methods of treating disorders by administering monocytes obtained from blood, including umbilical cord blood, peripheral blood, or bone marrow to an individual in need of treatment, wherein the drug is administered to the individual at a time point specifically determined to provide therapeutic efficacy. In one embodiment, the cells are for injection into ischemic myocardium for the treatment of angina.
    Type: Application
    Filed: September 14, 2009
    Publication date: November 10, 2011
    Applicants: Cryopraxis Criobiologia Ltda., University of South Florida, Universidade Federal de Sao Paulo - UNIFESP
    Inventors: Paul R. Sanberg, Nelson Americo Hossne, JR., Alison E. Willing, Andriana Invitti
  • Publication number: 20110274675
    Abstract: A T cell receptor molecule (TCR) containing an alpha chain portion and a beta chain portion wherein the alpha chain portion contains three complementarily determining regions (CDRs): CDR1?: SSYSPS CDR2?: YTSAATL CDR3?: VVSPFSGGGADGLT or comprising or consisting of SPPSGGGADGLT and the beta chain portion contains three complementarity determining regions (CDRs): CDR1?: DFQATT CDR2?: SNEGSKA CDR3?: comprising SARDGGEG or comprising or consisting of RDGGEGSETQY, or wherein up to three amino acid residues in one or more CDRs are replaced by another amino acid residue. The invention also includes polynucleotides encoding the TCR molecules, and host cells containing the said polynucleotides. Patient derived T cells may have the polynucleotides encoding the TCR molecules introduced therein, and the engineered T cells may be introduced into the patient in order to combat a WT1-expressing malignancy.
    Type: Application
    Filed: April 20, 2011
    Publication date: November 10, 2011
    Applicant: IMPERIAL INNOVATIONS LIMITED
    Inventors: HANS J. STAUSS, LIQUAN GAO, SHAO-AN XUE
  • Publication number: 20110268716
    Abstract: The present invention is directed to methods of identifying and enriching for viable Foxp3+ cells and the use of such cells. In particular, the present invention provides methods whereby viable Foxp3+ cells are isolated from a mixed population of cells; Foxp3+ cells being identifiable as those cells with relatively high forward scatter as assessed by a flow cytometer.
    Type: Application
    Filed: April 29, 2011
    Publication date: November 3, 2011
    Applicant: UNIVERSITY OF SOUTHERN CALIFORNIA
    Inventor: Song-Guo Zheng
  • Publication number: 20110262413
    Abstract: A method for modifying access of cells to extravascular spaces and regions comprising administering to a patient an enzyme that cleaves chondroitin sulfate proteoglycans is provided. It has been found that administration of an enzyme that cleaves chondroitin sulfate proteoglycans to a patient disrupts extravasation of cells from the blood stream into tissue. The present invention provides methods of reducing penetration of cells associated with inflammation into tissue of a patient. Several methods are also provided for the regulation and suppression of inflammation comprising administering enzymes that digest chondroitin sulfates. Also provided are methods of treating and preventing inflammation associated with infection, injury and disease.
    Type: Application
    Filed: May 9, 2011
    Publication date: October 27, 2011
    Inventors: Elliott A. GRUSKIN, Jack L. TSENG, Anthony O. CAGGIANO
  • Publication number: 20110262414
    Abstract: The present invention provides T cell receptors (TCRs) having the property of binding to SLLMWITQC-HLA-A*0201, the SLLMWITQC peptide being derived from the NY-ESO-1 protein which is expressed by a range of tumour cells. The TCRs have a KD for the said that peptide-HLA complex of less than or equal to 1 ?M and/or have an off-rate (koff) of 1×10?3 S?1 or slower.
    Type: Application
    Filed: July 5, 2011
    Publication date: October 27, 2011
    Applicant: IMMUNOCORE LIMITED
    Inventors: Jonathan Michael Boulter, Bent Karsten Jakobsen, Yi Li, Peter Eamon Molloy, Steven Mark Dunn, Lucy Boulter
  • Publication number: 20110256186
    Abstract: The present invention relates to a biomaterial, specifically a hydrogel, formed from the extracellular matrix of the umbilical cord for its application in regenerative medicine. The invention particularly relates to a biomaterial made up of glycosaminoglycans isolated exclusively from the Wharton's jelly of the umbilical cord which can optionally contain cells, and also to the methods for the production and use thereof.
    Type: Application
    Filed: October 10, 2008
    Publication date: October 20, 2011
    Applicant: HISTOCELL, S.L.
    Inventors: Julio Font Perez, Maite Del Olmo Basterrechea, Maria Begona Castro Feo, Arantza Infante Martinez, Ana Isabel Alonso Varona, Teodoro Palomares Casado
  • Publication number: 20110256123
    Abstract: The present invention relates to methods for the modulation of immune responses. More particularly, the invention relates to methods and uses of leptin for immune-modulation of the balance between the Th1/Th2 responses and for the treatment of immune-related disorders. Specifically, the methods of the invention comprise shifting the Th1/Th2 cell balance towards the proinflammatory state. This modulation of the cell balance may be performed by increasing the activity and/or the expression of leptin in a subject, for instance by raising the amount of leptin. The amount of leptin in a subject may be increased by activating immunoregulatory cells, or by administering an immunomodulatory amount of leptin or a homologue, derivative, or functional fragment of leptin.
    Type: Application
    Filed: September 7, 2010
    Publication date: October 20, 2011
    Inventors: Yaron Ilan, Eran Elinav
  • Publication number: 20110250190
    Abstract: The present invention relates to a pharmaceutical preparation for treating an inflammatory condition, preferably a condition associated with ischemia comprising: a) a physiological solution comprising peripheral blood mononuclear cells (PBM-Cs) or a subset thereof, or b) a supernatant of the solution a), wherein the solution a) is obtainable by cultivating PBMCs or a subset thereof in a physiological solution free of PBMC-proliferating and PBMC-activating substances for at least 1 h.
    Type: Application
    Filed: December 18, 2009
    Publication date: October 13, 2011
    Applicant: APOSCIENCE AG
    Inventor: Hendrik Jan Ankersmit
  • Patent number: 8034332
    Abstract: This invention relates to a natural killer cell line termed NK-92 and to NK-92 cell lines that have been modified by transfection with a vector to confer advantageous properties. The invention provides a modified NK-92 cell line that is transfected with a vector encoding a cytokine that promotes the growth of NK-92 cells. In a significant embodiment, the cytokine is interleukin 2. The invention additionally provides a modified NK-92 cell line that is transfected with a vector that expresses a thymidine kinase gene. The invention further provides a modified NK-92 cell line that is transfected with a vector that expresses a ?2 micrglobulin.
    Type: Grant
    Filed: June 6, 2003
    Date of Patent: October 11, 2011
    Assignee: Conkwest, Inc.
    Inventor: Hans Klingemann
  • Publication number: 20110236409
    Abstract: The present invention relates to set overlapping immunogenic peptides of a variable antigen, and uses thereof, in particular for diagnostic and therapeutic purposes. The present invention relates also to a sub-population of CD8 T cells associated with the non-progressive status in HIV-infected subjects.
    Type: Application
    Filed: March 30, 2009
    Publication date: September 29, 2011
    Applicant: Helmholtz Zentrum München - Deutsches Forschungszentrum für Gesundheit und Umwelt (GmbH)
    Inventors: Mauro Severo Malnati, Paolo Lusso, Guido Poli, Antonio Cosma, Volker Erfle
  • Publication number: 20110236411
    Abstract: The present invention relates to MHC-peptide complexes and uses thereof in the diagnosis of, treatment of or vaccination against a disease in an individual. More specifically the invention discloses MHC complexes comprising Mycobacterium tuberculosis antigenic peptides and uses there of.
    Type: Application
    Filed: September 29, 2008
    Publication date: September 29, 2011
    Applicant: DAKO DENMARK A/S
    Inventors: Jørgen Scholler, Liselotte Brix, Henrik Pedersen, Tina Jakobsen
  • Publication number: 20110236362
    Abstract: Provided are an iPS cell derived from a somatic cell such as an NKT cell, having the ?-chain region of the T cell antigen receptor gene rearranged to uniform V?-J? in an NKT cell receptor-specific way, NKT cells differentiated from the iPS cell, a method of creating the same, and an immune cell therapy agent prepared using cells differentiated from the iPS cell.
    Type: Application
    Filed: September 8, 2009
    Publication date: September 29, 2011
    Applicant: RIKEN
    Inventors: Hiroshi Watarai, Haruhiko Koseki, Masaru Taniguchi, Shin-ichiro Fujii
  • Publication number: 20110236363
    Abstract: Disclosed herein is a system and method for producing T cells from stem cell populations. Specifically exemplified herein is a culture system and method that produces CD4 cells and/or T cell subtypes from a CD4 lineage using a sample of hematopoietic stem cells. Adult hematopoietic precursor/stem cells (HPC) are progenitors to all lineages of immune cells. There has been limited success in generating functional CD4 T cells with this convenient culture system. Also disclosed herein is a novel stromal cell line expressing DL1, interleukin-7 (IL-7), and FMS-like tyrosine kinase 3 ligand (Flt3-L). This improved culture system can greatly facilitate the study of late T cell development and enables immunotherapeutic applications.
    Type: Application
    Filed: September 11, 2009
    Publication date: September 29, 2011
    Inventors: Lung-Ji Chang, Ekta Samir Patel
  • Publication number: 20110229504
    Abstract: The present invention relates to peptides, nucleic acids and cells for use in immunotherapeutic methods. In particular, the present invention relates to the immunotherapy of cancer. The present invention furthermore relates to tumor-associated cytotoxic T cell (CTL) peptide epitopes, alone or in combination with other tumor-associated peptides that serve as active pharmaceutical ingredients of vaccine compositions that stimulate anti-tumor immune responses. The present invention relates to 95 novel peptide sequences and their variants derived from HLA class I molecules of human tumor cells that can be used in vaccine compositions for eliciting anti-tumor immune responses.
    Type: Application
    Filed: March 18, 2011
    Publication date: September 22, 2011
    Applicant: IMMATICS BIOTECHNOLOGIES GMBH
    Inventors: Jens FRITSCHE, Toni WEINSCHENK, Steffen WALTER, Peter LEWANDROWSKI, Harpreet SINGH
  • Publication number: 20110229481
    Abstract: First, to solve the problems of the present invention, the present inventors confirmed the presence of ovarian cancer antigen-specific T cells in the peripheral blood of ovarian cancer patients by using an experimental system that detects combinations of CD4 and IL-4 or IFN?. Next, using analogue peptides of the core protein MUC16 of the ovarian cancer-associated antibody C125, the present inventors revealed that antigen-specific CD4-positive T cells are present at an average frequency of about 4% in the peripheral mononuclear cells of patients and healthy subjects. Then, the present inventors analyzed the epitope for T cells in the core protein MUC16 of the ovarian cancer-associated antigen CA125, and determined the amino acid sequence FTLNFTITN (SEQ ID NO: 1) to be a shorter epitope. The present inventors further discovered that the analogue peptide OVCA11: GHTAPOPLLVPFTLNFTITN (SEQ ID NO: 11) is suitable for T cell activation.
    Type: Application
    Filed: March 31, 2006
    Publication date: September 22, 2011
    Applicant: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Mitsuo Okubo, Hiroo Maeda, Satoru Takeda
  • Publication number: 20110229560
    Abstract: The present invention concerns the enhancement of immune response to microbial infection and/or inflammation-associated disease through at least partial inhibition of NLRC5. The inhibition may be of any suitable means, although in particular cases it is via siRNA agents. In specific embodiments, a particular domain of NLRC5 is targeted by the siRNA.
    Type: Application
    Filed: October 6, 2009
    Publication date: September 22, 2011
    Inventors: Rong-Fu Wang, Helen Y. Wang, Jun Cui, Liang Zhu
  • Publication number: 20110229448
    Abstract: A method of identifying an antigen-specific regulatory T cell (Treg) from a subject is discussed wherein the method comprises quantitatively or qualitatively detecting co-expression of each of cell markers CD4, CD25 and CD134, or alternatively, N each of cell markers CD8, CD25 and CD137, as well as one or more cell markers selected from the group of Treg cell markers consisting of CD39, CD73, CD127, CTLA-4 and Foxp3 on a cell in a suitable lymphocyte-containing sample from the subject in response to exposure to a target antigen. Also discussed are methods of isolating and expanding the identified antigen-specific Treg population, which may permit antigen-specific Treg cell therapy.
    Type: Application
    Filed: September 22, 2008
    Publication date: September 22, 2011
    Applicants: ST VINCENT'S HOSPITAL SYDNEY LIMITED, NEWSOUTH INNOVATIONS PTY LIMITED
    Inventors: Anthony Dominic Kelleher, John James Zaunders, Nabila Seddiki
  • Patent number: 8021658
    Abstract: Peptides or antibodies derived from alternative splice forms of proteins associated with a disease or physiologic condition are used as therapeutic or prophylactic agents. Peptides and antibodies derived from alternative splice forms of the vascular endothelial growth factor (VEGF) family of proteins are particularly useful in preventing or delaying the onset of tumors and inducing tumor regression.
    Type: Grant
    Filed: May 28, 2002
    Date of Patent: September 20, 2011
    Assignee: Thomas Jefferson University
    Inventor: Albert J. Wong
  • Publication number: 20110223146
    Abstract: The invention provides compositions comprising activated marrow infiltrating lymphocytes, methods of generating populations of marrow infiltrating lymphocytes, uses of the marrow infiltrating lymphocytes of the invention, and a culture device for use in cell culture, for example for use in generating populations of activated marrow infiltrating lymphocytes. In certain embodiments, the marrow infiltrating lymphocytes can be used as a cancer therapeutic.
    Type: Application
    Filed: November 3, 2009
    Publication date: September 15, 2011
    Applicant: THE JOHNS HOPKINS UNIVERSITY
    Inventors: Ivan Marques Borrello, Kimberly Ann Noonan
  • Publication number: 20110223145
    Abstract: The present invention refers to a method of producing immunosuppressive blood cells that can be used for the treatment of autoimmune diseases, in particular multiple sclerosis, organ graft rejection and graft-versus-host disease.
    Type: Application
    Filed: June 30, 2009
    Publication date: September 15, 2011
    Inventors: Peter Terness, Gerhard Opelz, Helmut Simon, Sandra Ehser, Christian Kleist, Flavius Sandra-Petrescu, Mircea Iancu, Lucian Jiga, Jing-Jing Chuang, Thilo Oelert
  • Patent number: 8017110
    Abstract: A process for damaging and maintaining damage to the nucleic acids of pathogens such as white blood cells, bacteria and viruses which may be contained in blood or blood components. This process comprises adding to the blood or blood component containing pathogens an effective amount of riboflavin, and exposing the fluid to light of an appropriate wavelength to damage the nucleic acid of the pathogen and to substantially maintain the damage to the pathogenic nucleic acids to allow for subsequent transfusion into a recipient.
    Type: Grant
    Filed: June 8, 2011
    Date of Patent: September 13, 2011
    Assignee: CaridianBCT Biotechnologies, LLC
    Inventors: Raymond P. Goodrich, Shawn D. Keil, Robert Owen Lockerbie, Vijay Kumar
  • Patent number: 8012470
    Abstract: According to the invention there is described a method for ex vivo immunization of humans and animals comprising the following steps of: a) isolating autologous tumor cells; b) treating the tumor cells to prevent the survival thereof following reinfusion; c) incubating the thus treated tumor cells with intact heterologous bispecific and/or trisepcific antibodies showing the following properties: ?—binding to a T cell; ?—binding to at least one antigen on a tumor cell; ?—binding, by their Fc portion (in the case of bispecific antibodies), or by a third specificity (in the case of trispecific antibodies) to Fc receptor-positive cells.
    Type: Grant
    Filed: July 20, 2005
    Date of Patent: September 6, 2011
    Assignee: Helmholtz Zentrum Munchen Deutsches Forschungszentrum fur Gesundheit und Umwelt (GmbH)
    Inventors: Horst Lindhofer, Hans-Joachim Kolb, Reinhard Zeidler, Georg Bornkamm
  • Publication number: 20110212115
    Abstract: According to the present invention, peptides having the amino acid sequence of SEQ ID NOs: 14, 21, 23, 27, 36, 46, 57, 60 and 62 were demonstrated to have cytotoxic T lymphocyte (CTL) inducibility. Therefore, the present invention provides a peptide having the amino acid sequence selected from among SEQ ID NOs: 14, 21, 23, 27, 36, 46, 57, 60 and 62. The peptide can include one, two, or several amino acid substitutions, deletions, insertions, or additions so long as its CTL inducibility is retained. Furthermore, the present invention provides pharmaceutical agents for the treatment and/or prophylaxis of cancers, and/or prevention of postoperative recurrence thereof, which contain any of these peptides. Pharmaceutical agents of this invention include vaccines.
    Type: Application
    Filed: July 30, 2009
    Publication date: September 1, 2011
    Applicant: ONCOTHERAPY SCIENCE, INC.
    Inventors: Takuya Tsunoda, Ryuji Ohsawa
  • Publication number: 20110212071
    Abstract: An isolated population of cells comprising non-GVHD inducing anti-third party cells having a central memory T-lymphocyte (Tcm) phenotype is provided. The cells being tolerance-inducing cells and capable of homing to the lymph nodes following transplantation. Methods of generating same, use of same and methods of treatment are also provided.
    Type: Application
    Filed: October 29, 2009
    Publication date: September 1, 2011
    Applicant: Yeda Research and Development Co. Ltd.
    Inventors: Yair Reisner, Eran Ophir, Yaki Eidelstein, Esther Bachar-Lustig
  • Publication number: 20110212098
    Abstract: The present invention relates to novel melanoma antigen peptides and specific T lymphocytes directed to said peptides and the use thereof for treating melanoma.
    Type: Application
    Filed: September 2, 2009
    Publication date: September 1, 2011
    Applicants: UNIVERSITE DE NANTES, CHU NANTES, INSERM (Institut National de la Sante et de la Recherche Medicale)
    Inventors: Nathalie Labarriere, Agnes Moreau-Aubry, Yann Godet
  • Patent number: 8007785
    Abstract: The present invention discloses an immunotherapeutic method for treating patients suffering from colon cancer, by administering expanded tumour-reactive CD4+ helper and/or CD8+ T-lymphocytes obtainable from one or more sentinel or metinel lymph nodes draining a tumour in the colon or a metastasis arising from a tumour in the colon. The present invention provides a new effective method for treating colon cancer and metastatic colon cancer, without adverse side effects associated with the known treatments.
    Type: Grant
    Filed: December 20, 2006
    Date of Patent: August 30, 2011
    Assignee: SentoClone International AB
    Inventors: Ola Winqvist, Magnus Thöm