Immunologic and histologic observations in reovirus-induced otitis media in the mouse
The goals of this study were to develop a mouse model for virally induced otitis media, and to study the immune response to infection. Intranasal inoculation of mice by reovirus was used to induce otitis media. Immunohistochemical evidence for the presence of reovirus in the nasopharynx, eustachian...
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Veröffentlicht in: | Annals of otology, rhinology & laryngology rhinology & laryngology, 1999, Vol.108 (1), p.31-38 |
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container_title | Annals of otology, rhinology & laryngology |
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creator | MEEK, R. B BERREBI, A. S MCGREW, B. M SPIROU, G. A CUFF, C. F WETMORE, S. J |
description | The goals of this study were to develop a mouse model for virally induced otitis media, and to study the immune response to infection. Intranasal inoculation of mice by reovirus was used to induce otitis media. Immunohistochemical evidence for the presence of reovirus in the nasopharynx, eustachian tubes, and middle ears and the amount of infiltrating B-cells and T-cells in those sites were serially evaluated by painlessly sacrificing animals over a 21 -day period. Reovirus antigen was detected in the middle ear mucosa by day 4 in 75% of infected animals, and histologic evidence for otitis media was found in 54% of all infected animals. A significant increase in B-cells in the nasopharynx and eustachian tubes was noted 7 to 10 days following infection. The number of infiltrating T-cells did not vary significantly from that in the control animals at any of the sites. These results provide a basis for further investigations of the immune response in otitis media. |
doi_str_mv | 10.1177/000348949910800105 |
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B ; BERREBI, A. S ; MCGREW, B. M ; SPIROU, G. A ; CUFF, C. F ; WETMORE, S. J</creator><creatorcontrib>MEEK, R. B ; BERREBI, A. S ; MCGREW, B. M ; SPIROU, G. A ; CUFF, C. F ; WETMORE, S. J</creatorcontrib><description>The goals of this study were to develop a mouse model for virally induced otitis media, and to study the immune response to infection. Intranasal inoculation of mice by reovirus was used to induce otitis media. Immunohistochemical evidence for the presence of reovirus in the nasopharynx, eustachian tubes, and middle ears and the amount of infiltrating B-cells and T-cells in those sites were serially evaluated by painlessly sacrificing animals over a 21 -day period. Reovirus antigen was detected in the middle ear mucosa by day 4 in 75% of infected animals, and histologic evidence for otitis media was found in 54% of all infected animals. A significant increase in B-cells in the nasopharynx and eustachian tubes was noted 7 to 10 days following infection. The number of infiltrating T-cells did not vary significantly from that in the control animals at any of the sites. These results provide a basis for further investigations of the immune response in otitis media.</description><identifier>ISSN: 0003-4894</identifier><identifier>EISSN: 1943-572X</identifier><identifier>DOI: 10.1177/000348949910800105</identifier><identifier>PMID: 9930538</identifier><identifier>CODEN: AORHA2</identifier><language>eng</language><publisher>St. Louis, MO: Annals Publishing Compagny</publisher><subject>Animals ; Antibodies, Viral - immunology ; Antigens, Viral - immunology ; B-Lymphocytes - immunology ; Biological and medical sciences ; Disease Models, Animal ; Ear, auditive nerve, cochleovestibular tract, facial nerve: diseases, semeiology ; Ear, Middle - immunology ; Ear, Middle - pathology ; Eustachian Tube - immunology ; Eustachian Tube - pathology ; Medical sciences ; Mice ; Mice, Inbred BALB C ; Nasopharynx - immunology ; Nasopharynx - pathology ; Non tumoral diseases ; Otitis Media - etiology ; Otitis Media - immunology ; Otorhinolaryngology. 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S</creatorcontrib><creatorcontrib>MCGREW, B. M</creatorcontrib><creatorcontrib>SPIROU, G. A</creatorcontrib><creatorcontrib>CUFF, C. F</creatorcontrib><creatorcontrib>WETMORE, S. J</creatorcontrib><title>Immunologic and histologic observations in reovirus-induced otitis media in the mouse</title><title>Annals of otology, rhinology & laryngology</title><addtitle>Ann Otol Rhinol Laryngol</addtitle><description>The goals of this study were to develop a mouse model for virally induced otitis media, and to study the immune response to infection. Intranasal inoculation of mice by reovirus was used to induce otitis media. Immunohistochemical evidence for the presence of reovirus in the nasopharynx, eustachian tubes, and middle ears and the amount of infiltrating B-cells and T-cells in those sites were serially evaluated by painlessly sacrificing animals over a 21 -day period. Reovirus antigen was detected in the middle ear mucosa by day 4 in 75% of infected animals, and histologic evidence for otitis media was found in 54% of all infected animals. A significant increase in B-cells in the nasopharynx and eustachian tubes was noted 7 to 10 days following infection. The number of infiltrating T-cells did not vary significantly from that in the control animals at any of the sites. These results provide a basis for further investigations of the immune response in otitis media.</description><subject>Animals</subject><subject>Antibodies, Viral - immunology</subject><subject>Antigens, Viral - immunology</subject><subject>B-Lymphocytes - immunology</subject><subject>Biological and medical sciences</subject><subject>Disease Models, Animal</subject><subject>Ear, auditive nerve, cochleovestibular tract, facial nerve: diseases, semeiology</subject><subject>Ear, Middle - immunology</subject><subject>Ear, Middle - pathology</subject><subject>Eustachian Tube - immunology</subject><subject>Eustachian Tube - pathology</subject><subject>Medical sciences</subject><subject>Mice</subject><subject>Mice, Inbred BALB C</subject><subject>Nasopharynx - immunology</subject><subject>Nasopharynx - pathology</subject><subject>Non tumoral diseases</subject><subject>Otitis Media - etiology</subject><subject>Otitis Media - immunology</subject><subject>Otorhinolaryngology. 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Stomatology</topic><topic>Reoviridae Infections - complications</topic><topic>Reoviridae Infections - immunology</topic><topic>T-Lymphocytes - immunology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>MEEK, R. B</creatorcontrib><creatorcontrib>BERREBI, A. S</creatorcontrib><creatorcontrib>MCGREW, B. M</creatorcontrib><creatorcontrib>SPIROU, G. A</creatorcontrib><creatorcontrib>CUFF, C. F</creatorcontrib><creatorcontrib>WETMORE, S. 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subjects | Animals Antibodies, Viral - immunology Antigens, Viral - immunology B-Lymphocytes - immunology Biological and medical sciences Disease Models, Animal Ear, auditive nerve, cochleovestibular tract, facial nerve: diseases, semeiology Ear, Middle - immunology Ear, Middle - pathology Eustachian Tube - immunology Eustachian Tube - pathology Medical sciences Mice Mice, Inbred BALB C Nasopharynx - immunology Nasopharynx - pathology Non tumoral diseases Otitis Media - etiology Otitis Media - immunology Otorhinolaryngology. Stomatology Reoviridae Infections - complications Reoviridae Infections - immunology T-Lymphocytes - immunology |
title | Immunologic and histologic observations in reovirus-induced otitis media in the mouse |
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