单词	hemagglutinin
释义	hemagglutinin noun hem·​ag·​glu·​ti·​nin ˌhē-mə-ˈglü-tə-nən  : an agglutinin (such as an antibody or viral capsid protein) that causes hemagglutination Example Sentences Recent Examples on the Web To gain access to a host’s cells, influenza uses its own viral glycoprotein, hemagglutinin (H). Quanta Magazine, 25 Feb. 2020 Viral code The Hs and Ns refer to hemagglutinin (Ha or H) and neuraminidase (Na or N), respectively, which are both viral molecules that hang on the outside of viral particles. Beth Mole, Ars Technica, 10 Dec. 2019 Krammer used a novel assay to measure the hemagglutinin stalk antibodies. Debbie Ponchner, Scientific American, 3 June 2019 Current flu vaccines induce the production of antibodies that recognize the hemagglutinin head and inhibit its ability to mediate viral entry into a cell. Debbie Ponchner, Scientific American, 3 June 2019 Scientists have been sequencing hemagglutinin genes from flu seasons for more than 40 years. Quanta Magazine, 17 July 2014 Those harmful mutations make hemagglutinin less stable and thus less able to open up cells for invasion. Quanta Magazine, 17 July 2014 There are 18 different hemagglutinin subtypes and 11 different N subtypes, leading to nomenclature like H3N1. Diana Gitig, Ars Technica, 5 Nov. 2018 Researchers had to manually assess the sequences for differences, focusing on regions known to be important for transmission such as hemagglutinin, the protein that binds the virus to the host cell. Quanta Magazine, 29 Aug. 2013 See More Word History Etymology International Scientific Vocabulary First Known Use circa 1903, in the meaning defined above Medical Definition hemagglutinin noun hem·​ag·​glu·​ti·​nin ˌhē-mə-ˈglüt-ᵊn-ən  variants also hemoagglutinin ˌhē-mō-ə-  or chiefly British haemagglutinin also haemoagglutinin : an agglutinin (as an antibody or viral capsid protein) that causes hemagglutination —abbreviation HA compare leukoagglutinin
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