Andrew McMichael | |
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Born | 8 November 1943 London |
Alma mater | |
Occupation |
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Academic career | |
Fields | Immunology, medicine, molecular medicine |
Institutions | |
Thesis | The clonal expression of antibody-forming cells. |
Doctoral advisor | Brigitte Askonas |
Academic advisor | Hugh McDevitt |
Doctoral students | Malegapuru William Makgoba, Suranjith Seneviratne |
Sir Andrew James McMichael, FRS FMedSci KBE (born 8 November 1943) is an immunologist, Professor of Molecular Medicine, and previously Director of the Weatherall Institute of Molecular Medicine at the University of Oxford. He is particularly known for his work on T cell responses to viral infections such as influenza and HIV.
McMichael was born in London on 8 November 1943 to Sir John McMichael and Joan Catherine. [1] He went to school at St Pauls and then to the University of Cambridge at Gonville and Caius College to study medicine (1962–1968). [2] He went on to complete a PhD at the National Institute for Medical Research supervised by 'Ita' Brigitte Askonas and Alan Williamson. His thesis, published in 1975, is entitled The clonal expression of antibody-forming cells. [3]
After his PhD McMichael completed his postdoctoral research supervised by Hugh McDevitt at Stanford University. [4] In 1977 he returned to the UK to study the T cell response to HIV infection. His research group have created two HIV vaccines which were tested in phase I clinical trials. [5] McMichael became director of the Weatherall Institute of Molecular Medicine in 2000, and remained so until 2012. [6] He founded the MRC Human Immunology Unit in 1998 as honorary director until 2010.
McMichael has supervised over 55 DPhil students over his career, [5] many of whom have gone on to become leading immunologists themselves:
In addition McMichael supervised postdoctoral researchers, including Tomáš Hanke (Professor of Vaccine Immunology), and Sarah Rowland-Jones (Professor of Immunology). [30] [31] [32] [33]
In 1968 McMichael married Kathryn 'Kate' Elizabeth Cross, they have two sons and one daughter. [2] McMichael enjoys walking and skiing at his house in La Salle les Alpes, France. [2]
McMichael, A. J.; Ting, A.; Zweerink, H. J.; Askonas, Brigitte A. (1977). "HLA restriction of cell-mediated lysis of influenza virus-infected human cells". Nature. 270 (5637): 524–526. Bibcode:1977Natur.270..524M. doi:10.1038/270524a0. ISSN 1476-4687. PMID 593371. S2CID 4173925.
McMichael, A. J.; Gotch, F. M.; Noble, G. R.; Beare, P. A. (7 July 1983). "Cytotoxic T-cell immunity to influenza". The New England Journal of Medicine. 309 (1): 13–17. doi:10.1056/NEJM198307073090103. ISSN 0028-4793. PMID 6602294.
Townsend, A. R.; Rothbard, J.; Gotch, F. M.; Bahadur, G.; Wraith, D.; McMichael, A. J. (28 March 1986). "The epitopes of influenza nucleoprotein recognized by cytotoxic T lymphocytes can be defined with short synthetic peptides". Cell. 44 (6): 959–968. doi:10.1016/0092-8674(86)90019-x. ISSN 0092-8674. PMID 2420472. S2CID 23606100.
Phillips, R. E.; Rowland-Jones, S.; Nixon, D. F.; Gotch, F. M.; Edwards, J. P.; Ogunlesi, A. O.; Elvin, J. G.; Rothbard, J. A.; Bangham, C. R. (12 December 1991). "Human immunodeficiency virus genetic variation that can escape cytotoxic T cell recognition". Nature. 354 (6353): 453–459. Bibcode:1991Natur.354..453P. doi: 10.1038/354453a0 . ISSN 0028-0836. PMID 1721107. S2CID 4257933.
Altman, J. D.; Moss, P. A.; Goulder, P. J.; Barouch, D. H.; McHeyzer-Williams, M. G.; Bell, J. I.; McMichael, A. J.; Davis, M. M. (4 October 1996). "Phenotypic analysis of antigen-specific T lymphocytes". Science. 274 (5284): 94–96. Bibcode:1996Sci...274...94A. doi:10.1126/science.274.5284.94. ISSN 0036-8075. PMID 8810254. S2CID 12667633.
Goonetilleke, Nilu; Liu, Michael K. P.; Salazar-Gonzalez, Jesus F.; Ferrari, Guido; Giorgi, Elena; Ganusov, Vitaly V.; Keele, Brandon F.; Learn, Gerald H.; Turnbull, Emma L. (8 June 2009). "The first T cell response to transmitted/founder virus contributes to the control of acute viremia in HIV-1 infection". The Journal of Experimental Medicine. 206 (6): 1253–1272. doi:10.1084/jem.20090365. ISSN 1540-9538. PMC 2715063 . PMID 19487423.
Liu, Michael K. P.; Hawkins, Natalie; Ritchie, Adam J.; Ganusov, Vitaly V.; Whale, Victoria; Brackenridge, Simon; Li, Hui; Pavlicek, Jeffrey W.; Cai, Fangping (January 2013). "Vertical T cell immunodominance and epitope entropy determine HIV-1 escape". The Journal of Clinical Investigation. 123 (1): 380–393. doi:10.1172/JCI65330. ISSN 1558-8238. PMC 3533301 . PMID 23221345.
Fellay, Jacques; Shianna, Kevin V.; Ge, Dongliang; Colombo, Sara; Ledergerber, Bruno; Weale, Mike; Zhang, Kunlin; Gumbs, Curtis; Castagna, Antonella (17 August 2007). "A Whole-Genome Association Study of Major Determinants for Host Control of HIV-1". Science. 317 (5840): 944–947. Bibcode:2007Sci...317..944F. doi:10.1126/science.1143767. ISSN 0036-8075. PMC 1991296 . PMID 17641165.
Hill, Adrian V. S.; Allsopp, Catherine E. M.; Kwiatkowski, Dominic; Anstey, Nicholas M.; Twumasi, Patrick; Rowe, Pamela A.; Bennett, Stephen; Brewster, David; McMichael, Andrew J. (1991). "Common West African HLA antigens are associated with protection from severe malaria". Nature. 352 (6336): 595–600. Bibcode:1991Natur.352..595H. doi: 10.1038/352595a0 . ISSN 1476-4687. PMID 1865923.
Braud, Veronique M.; Allan, David S. J.; O'Callaghan, Christopher A.; Söderström, Kalle; D'Andrea, Annalisa; Ogg, Graham S.; Lazetic, Sasha; Young, Neil T.; Bell, John I. (1998). "HLA-E binds to natural killer cell receptors CD94/NKG2A, B and C". Nature. 391 (6669): 795–799. Bibcode:1998Natur.391..795B. doi:10.1038/35869. ISSN 1476-4687. PMID 9486650. S2CID 4379457.
McMichael, Andrew J.; Rowland-Jones, Sarah L. (19 April 2001). "Cellular immune responses to HIV". Nature. 410 (6831): 980–987. Bibcode:2001Natur.410..980M. doi: 10.1038/35073658 . PMID 11309628.
Appay, Victor; Dunbar, P. Rod; Callan, Margaret; Klenerman, Paul; Gillespie, Geraldine M.A.; Papagno, Laura; Ogg, Graham S.; King, Abigail; Lechner, Franziska (2002). "Memory CD8+ T cells vary in differentiation phenotype in different persistent virus infections". Nature Medicine. 8 (4): 379–385. doi:10.1038/nm0402-379. ISSN 1546-170X. PMID 11927944. S2CID 22346636.
McMichael, Andrew J.; Borrow, Persephone; Tomaras, Georgia D.; Goonetilleke, Nilu; Haynes, Barton F. (2010). "The immune response during acute HIV-1 infection: clues for vaccine development". Nature Reviews Immunology. 10 (1): 11–23. doi:10.1038/nri2674. ISSN 1474-1741. PMC 3119211 . PMID 20010788.
Natural killer cells, also known as NK cells or large granular lymphocytes (LGL), are a type of cytotoxic lymphocyte critical to the innate immune system. They belong to the rapidly expanding family of known innate lymphoid cells (ILC) and represent 5–20% of all circulating lymphocytes in humans. The role of NK cells is analogous to that of cytotoxic T cells in the vertebrate adaptive immune response. NK cells provide rapid responses to virus-infected cell and other intracellular pathogens acting at around 3 days after infection, and respond to tumor formation. Most immune cells detect the antigen presented on major histocompatibility complex (MHC) on infected cell surfaces, but NK cells can recognize and kill stressed cells in the absence of antibodies and MHC, allowing for a much faster immune reaction. They were named "natural killers" because of the notion that they do not require activation to kill cells that are missing "self" markers of MHC class I. This role is especially important because harmful cells that are missing MHC I markers cannot be detected and destroyed by other immune cells, such as T lymphocyte cells.
A tetramer assay is a procedure that uses tetrameric proteins to detect and quantify T cells that are specific for a given antigen within a blood sample. The tetramers used in the assay are made up of four major histocompatibility complex (MHC) molecules, which are found on the surface of most cells in the body. MHC molecules present peptides to T-cells as a way to communicate the presence of viruses, bacteria, cancerous mutations, or other antigens in a cell. If a T-cell's receptor matches the peptide being presented by an MHC molecule, an immune response is triggered. Thus, MHC tetramers that are bioengineered to present a specific peptide can be used to find T-cells with receptors that match that peptide. The tetramers are labeled with a fluorophore, allowing tetramer-bound T-cells to be analyzed with flow cytometry. Quantification and sorting of T-cells by flow cytometry enables researchers to investigate immune response to viral infection and vaccine administration as well as functionality of antigen-specific T-cells. Generally, if a person's immune system has encountered a pathogen, the individual will possess T cells with specificity toward some peptide on that pathogen. Hence, if a tetramer stain specific for a pathogenic peptide results in a positive signal, this may indicate that the person's immune system has encountered and built a response to that pathogen.
HLA class II histocompatibility antigen gamma chain also known as HLA-DR antigens-associated invariant chain or CD74, is a protein that in humans is encoded by the CD74 gene. The invariant chain is a polypeptide which plays a critical role in antigen presentation. It is involved in the formation and transport of MHC class II peptide complexes for the generation of CD4+ T cell responses. The cell surface form of the invariant chain is known as CD74. CD74 is a cell surface receptor for the cytokine macrophage migration inhibitory factor (MIF).
Brigitte Alice Askonas was a British immunologist and a visiting professor at Imperial College London from 1995.
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