Revisiting cellular immune response to oncogenic Marek's disease virus: the rising of avian T-cell immunity.

Revisiting cellular immune response to oncogenic Marek's disease virus: the rising of avian T-cell immunity. Cell Mol Life Sci. 2020 Feb 20;: Authors: Yang Y, Dong M, Hao X, Qin A, Shang S Abstract Marek's disease virus (MDV) is a highly oncogenic alphaherpesvirus that causes deadly T-cell lymphomas and serves as a natural virus-induced tumor model in chickens. Although Marek's disease (MD) is well controlled by current vaccines, the evolution of MDV field viruses towards increasing virulence is concerning as a better vaccine to combat very virulent plus MDV is still lacking. Our understanding of molecular and cellular immunity to MDV and its immunopathogenesis has significantly improved, but those findings about cellular immunity to MDV are largely out-of-date, hampering the development of more effective vaccines against MD. T-cell-mediated cellular immunity was thought to be of paramount importance against MDV. However, MDV also infects macrophages, B cells and T cells, leading to immunosuppression and T-cell lymphoma. Additionally, there is limited information about how uninfected immune cells respond to MDV infection or vaccination, specifically, the mechanisms by which T cells are activated and recognize MDV antigens and how the function and properties of activated T cells correlate with immune protection against MDV or MD tumor. The current review revisits the roles of each immune cell subset and its effector mechanisms in the host immune response ...
Source: Cellular and Molecular Life Sciences : CMLS - Category: Cytology Authors: Tags: Cell Mol Life Sci Source Type: research

Related Links:

Authors: Lee JY, Kim HJ, Kwon E, Choi JY, Oh HJ, Kim JS PMID: 33029984 [PubMed]
Source: Journal of Clinical Neurology - Category: Neurology Tags: J Clin Neurol Source Type: research
Emergency-use authorizations, a formerly obscure corner of regulatory law, have become a centerpiece of the government ’s response to the pandemic.
Source: NYT - Category: American Health Authors: Tags: your-feed-science Coronavirus Risks and Safety Concerns Food and Drug Administration Hahn, Stephen M (1960- ) Coronavirus (2019-nCoV) Vaccination and Immunization Clinical Trials Drugs (Pharmaceuticals) your-feed-health your-feed-healthc Source Type: news
The use of an immune-system stimulant harvested from shark liver oil in the development of some coronavirus vaccines has animal conservationists pressing for alternatives.(Image credit: Reinhard Dirscherl/ullstein bild via Getty Images)
Source: NPR Health and Science - Category: Consumer Health News Authors: Source Type: news
Authors: Morimoto A, Fujioka Y, Ushiku T, Kurokawa M PMID: 33028779 [PubMed - as supplied by publisher]
Source: Internal Medicine - Category: Internal Medicine Tags: Intern Med Source Type: research
We report the rare case of a patient co-existing NS and DLBCL. DLBCL might be pathogenesis of NS; the findings are supported by the presence of MN, an underlying malignancy (DLBCL), and the lack of anti-PLA2R antibodies. Although further investigation is warranted, our case suggests that DLBCL is a possible cause of secondary MN. PMID: 33028760 [PubMed - in process]
Source: The Tohoku Journal of Experimental Medicine - Category: Research Authors: Tags: Tohoku J Exp Med Source Type: research
Markus Hartl* and Rainer Schneider Center of Molecular Biosciences (CMBI), Institute of Biochemistry, University of Innsbruck, Innsbruck, Austria The neuronal proteins GAP43 (neuromodulin), MARCKS, and BASP1 are highly expressed in the growth cones of nerve cells where they are involved in signal transmission and cytoskeleton organization. Although their primary structures are unrelated, these signaling proteins share several structural properties like fatty acid modification, and the presence of cationic effector domains. GAP43, MARCKS, and BASP1 bind to cell membrane phospholipids, a process reversibly regulate...
Source: Frontiers in Oncology - Category: Cancer & Oncology Source Type: research
Publication date: Available online 24 June 2017 Source:Veterinary Microbiology Author(s): Lu Dang, Man Teng, Hui-Zhen Li, Sheng-Ming Ma, Qing-Xia Lu, Hui-Fang Hao, Dong Zhao, En-Min Zhou, Gai-Ping Zhang, Jun Luo Marek’s disease virus type 1 (MDV-1) is a representative oncogenic Alpha herpesvirus that causes an immunosuppressive and neoplastic lymphoproliferative avian disease, namely Marek’s disease (MD). The rapid-onset T-cell lymphoma in chickens induced by MDV-1 has been historically regarded as an ideal natural model for herpesvirus-related cancer research. As a viral analog of cellular miR-155, the MDV-1-...
Source: Veterinary Microbiology - Category: Veterinary Research Source Type: research
AbstractMarek ’s disease (MD), caused by Marek’s disease virus (MDV), is a commercially important neoplastic disease of poultry which is only controlled by mass vaccination. Importantly, vaccines that can provide sterile immunity and inhibit virus transmission are lacking; such that vaccines are only capable of preventing neuropathy, oncogenic disease and immunosuppression, but are unable to prevent MDV transmission or infection, leading to emergence of increasingly virulent pathotypes. Hence, to address these issues, developing more efficacious vaccines that induce sterile immunity have become one of t he impo...
Source: Veterinary Research - Category: Veterinary Research Source Type: research
Abstract Marek's disease virus (MDV), an alphaherpesvirus, causes Marek's disease (MD), a lymphoproliferative disease in poultry characterized by T-cell lymphomas, nerve lesions, and mortality. Vaccination is used worldwide to control MD, but increasingly virulent field strains can overcome this protection, driving a need to create new vaccines. Previous studies revealed that insertion of reticuloendotheliosis virus (REV) long terminal repeat (LTR) into a bacterial artificial chromosome (BAC) clone of a very virulent strain of MDV, Md5, rendered the resultant recombinant virus, rMd5 REV-LTR BAC, fully attenuated i...
Source: Avian Pathology - Category: Pathology Authors: Tags: Avian Pathol Source Type: research
Abstract Marek's disease virus (MDV), an alphaherpesvirus, causes Marek's disease (MD), a lymphoproliferative disease in poultry characterized by T-cell lymphomas, nerve lesions and mortality. Vaccination is used worldwide to control MD, but increasingly virulent field strains can overcome this protection, driving a need to create new vaccines. Previous studies revealed that insertion of reticuloendotheliosis virus (REV) long-terminal repeat (LTR) into a bacterial artificial chromosome (BAC) clone of a very virulent strain of MDV, Md5 rendered the resultant recombinant virus, rMd5 REV-LTR BAC, fully attenuated in ...
Source: Avian Pathology - Category: Pathology Authors: Tags: Avian Pathol Source Type: research
More News: Allergy & Immunology | Bird Flu | Cytology | Lymphoma | T-cell Lymphoma | Vaccines