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Articles 1 - 8 of 8
Full-Text Articles in Medical Sciences
Monoclonal Antibody 1a7 And Related Polypeptides, Malaya Chatterjee, Kenneth A. Foon, Sunil K. Chatterjee
Monoclonal Antibody 1a7 And Related Polypeptides, Malaya Chatterjee, Kenneth A. Foon, Sunil K. Chatterjee
Microbiology, Immunology and Molecular Genetics Faculty Patents
The present invention relates to monoclonal antibody 1A7. This is an anti-idiotype produced by immunizing with an antibody specific for ganglioside GD2, and identifying a hybridoma secreting antibody with immunogenic potential in a multi-step screening process. Also disclosed are polynucleotide and polypeptide derivatives based on 1A7, including single chain variable region molecules and fusion proteins, and various pharmaceutical compositions. When administered to an individual, the 1A7 antibody overcomes immune tolerance and induces an immune response against GD2, which comprises a combination of anti-GD2 antibody and GD2-specific T cells. The invention further provides methods for treating a disease associated with altered …
Murine Anti-Idiotype Antibody 3h1, Malaya Chatterjee, Heinz Köhler, Sunil K. Chatterjee, Kenneth A. Foon
Murine Anti-Idiotype Antibody 3h1, Malaya Chatterjee, Heinz Köhler, Sunil K. Chatterjee, Kenneth A. Foon
Microbiology, Immunology and Molecular Genetics Faculty Patents
The present invention provides a monoclonal anti-idiotype antibody 3H1 that escapes immune tolerance and elicits a specific immune response to CEA in mice, rabbits, monkeys, and patients with advanced CEA-associated disease. This invention also provides compositions which can be used in the detection or treatment of CEA-associated tumors mimics a specific epitope on carcinoembryonic antigen and a hybridoma that produces 3H1.
Immune Responses Induced By Gene Gun Or Intramuscular Injection Of Dna Vaccines That Express Immunogenic Regions Of The Serine Repeat Antigen From Plasmodium Falciparum, Alexia A. Belperron, David Feltquate, Barbara A. Fox, Toshihiro Horii, David J. Bzik
Immune Responses Induced By Gene Gun Or Intramuscular Injection Of Dna Vaccines That Express Immunogenic Regions Of The Serine Repeat Antigen From Plasmodium Falciparum, Alexia A. Belperron, David Feltquate, Barbara A. Fox, Toshihiro Horii, David J. Bzik
Dartmouth Scholarship
The liver- and blood-stage-expressed serine repeat antigen (SERA) of Plasmodium falciparum is a candidate protein for a human malaria vaccine. We compared the immune responses induced in mice immunized with SERA-expressing plasmid DNA vaccines delivered by intramuscular (i.m.) injection or delivered intradermally by Gene Gun immunization. Mice were immunized with a pcdna3 plasmid encoding the entire 47-kDa domain of SERA (amino acids 17 to 382) or the N-terminal domain (amino acids 17 to 110) of SERA. Minimal antibody responses were detected following DNA vaccination with the N-terminal domain of SERA, suggesting that the N-terminal domain alone is not highly immunogenic …
Polynucleotides Related To Monoclonal Antibody 1a7 And Use For The Treatment Of Melanoma And Small Cell Carcinoma, Malaya Chatterjee, Kenneth A. Foon, Sunil K. Chatterjee
Polynucleotides Related To Monoclonal Antibody 1a7 And Use For The Treatment Of Melanoma And Small Cell Carcinoma, Malaya Chatterjee, Kenneth A. Foon, Sunil K. Chatterjee
Microbiology, Immunology and Molecular Genetics Faculty Patents
The present invention relates to monoclonal antibody 1A7. This is an anti-idiotype produced by immunizing with an antibody specific for ganglioside GD2, and identifying a hybridoma secreting antibody with immunogenic potential in a multi-step screening process. Also disclosed are polynucleotide and polypeptide derivatives based on 1A7, including single chain variable region molecules and fusion proteins, and various pharmaceutical compositions. When administered to an individual, the 1A7 antibody overcomes immune tolerance and induces an immune response against GD2, which comprises a combination of anti-GD2 antibody and GD2-specific T cells. The invention further provides methods for treating a disease associated with altered …
Dichotomy Between Naïve And Memory Cd4+ T Cell Responses To Fas Engagement, J. Desbarats, T. Wade, W. F. Wade, M. K. Newell
Dichotomy Between Naïve And Memory Cd4+ T Cell Responses To Fas Engagement, J. Desbarats, T. Wade, W. F. Wade, M. K. Newell
Dartmouth Scholarship
Engagement of Fas (APO-1, CD95), a member of the tumor necrosis factor receptor superfamily, can induce apoptotic cell death. However, Fas engagement also can costimulate lymphocyte proliferation. The physiologic regulation of these two outcomes is poorly understood. Here, we have used two systems, the first in vitro and the second in vivo, to demonstrate that naïve and memory CD4+ T cells display dichotomous responses to Fas ligation. Naïve CD4+ T cells (CD44lo, CD45RB+, CD62L+) die as a consequence of Fas ligation in the presence of anti-CD3 antibody, whereas memory T cells (CD44hi, CD45RB−, CD62L−), freshly isolated from the same …
Attachment Ligands Of Viable Toxoplasma Gondii Induce Soluble Immunosuppressive Factors In Human Monocytes, Jacqueline Y. Channon, Edward I. Suh, Rosanne M. Seguin, Lloyd H. Kasper
Attachment Ligands Of Viable Toxoplasma Gondii Induce Soluble Immunosuppressive Factors In Human Monocytes, Jacqueline Y. Channon, Edward I. Suh, Rosanne M. Seguin, Lloyd H. Kasper
Dartmouth Scholarship
Previous studies have demonstrated that surface antigen proteins, in particular SAG-1, of Toxoplasma gondii are important to this parasite as attachment ligands for the host cell. An in vitro assay was developed to test whether these ligands and other secretory proteins are involved in the immune response of human cells to toxoplasma. Human monocytes were infected with tachyzoites in the presence of antiparasite antibodies, and their effect on mitogen-induced lymphoproliferation was examined. The presence of antibody to either parasite-excreted proteins (MIC-1 and MIC-2) or surface proteins (SAG-1 and SAG-2) during infection neutralized the marked decrease seen in mitogen-induced lymphoproliferation in …
Signal Transducer And Activator Of Transcription (Stat)5 Activation By Bcr/Abl Is Dependent On Intact Src Homology (Sh)3 And Sh2 Domains Of Bcr/Abl And Is Required For Leukemogenesis., M Nieborowska-Skorska, M A Wasik, A Slupianek, P Salomoni, T Kitamura, B Calabretta, T Skorski
Signal Transducer And Activator Of Transcription (Stat)5 Activation By Bcr/Abl Is Dependent On Intact Src Homology (Sh)3 And Sh2 Domains Of Bcr/Abl And Is Required For Leukemogenesis., M Nieborowska-Skorska, M A Wasik, A Slupianek, P Salomoni, T Kitamura, B Calabretta, T Skorski
Department of Microbiology and Immunology Faculty Papers
Signal transducer and activator of transcription (STAT)5 is constitutively activated in BCR/ ABL-expressing cells, but the mechanisms and functional consequences of such activation are unknown. We show here that BCR/ABL induces phosphorylation and activation of STAT5 by a mechanism that requires the BCR/ABL Src homology (SH)2 domain and the proline-rich binding site of the SH3 domain. Upon expression in 32Dcl3 growth factor-dependent myeloid precursor cells, STAT5 activation-deficient BCR/ABL SH3+SH2 domain mutants functioned as tyrosine kinase and activated Ras, but failed to protect from apoptosis induced by withdrawal of interleukin 3 and/or serum and did not induce leukemia in severe combined …
Role Of Gamma Interferon In Cellular Immune Response Against Murine Encephalitozoon Cuniculi Infection, Imtiaz A. Khan, Magali Moretto
Role Of Gamma Interferon In Cellular Immune Response Against Murine Encephalitozoon Cuniculi Infection, Imtiaz A. Khan, Magali Moretto
Dartmouth Scholarship
Microsporidia are obligate intracellular protozoan parasites that cause a wide variety of opportunistic infection in patients with AIDS. Because it is able to grow in vitro, Encephalitozoon cuniculi is currently the best-studied microsporidian. T cells mediate protective immunity against this parasite. Splenocytes obtained from infected mice proliferate in vitro in response to irradiated parasites. A transient state of hyporesponsiveness to parasite antigen and mitogen was observed at day 17 postinfection. This downregulatory response could be partially reversed by addition of nitric oxide (NO) antagonist to the culture. Mice infected withE. cuniculi secrete significant levels of gamma interferon (IFN-γ). Treatment …