Protective Immunity Afforded by Inactivated H5N1 (NIBRG-14) Vaccine Requires Antibodies against Both Hemagglutinin and Neuraminidase in Mice
Identifieur interne : 001139 ( Main/Exploration ); précédent : 001138; suivant : 001140Protective Immunity Afforded by Inactivated H5N1 (NIBRG-14) Vaccine Requires Antibodies against Both Hemagglutinin and Neuraminidase in Mice
Auteurs : Yoshimasa Takahashi [Japon] ; Hideki Hasegawa ; Yukari Hara ; Manabu Ato ; Ai Ninomiya ; Hirotaka Takagi [Japon] ; Takato Odagiri ; Tetsutaro Sata ; Masato Tashiro ; Kazuo KobayashiSource :
- The Journal of Infectious Diseases [ 0022-1899 ] ; 2009.
Abstract
BackgroundHemagglutination-inhibition (HI) antibody titers correlate with protective immunity to seasonal influenza viruses. However, inactivated H5N1 influenza vaccines from Vietnam 2004 strains afford protection without producing high or even detectable HI antibodies MethodsBALB/c mice were immunized twice (at a 3-week interval) with inactivated whole-virus influenza vaccine produced using reverse genetics, with the internal genes of A/PR/8/34 (a high-yield strain) and the hemagglutinin (HA) and neuraminidase (NA) genes of A/Vietnam/1194/04 (H5N1) virus (NIBRG-14) adjuvanted with alum (5 μg of HA). Either HA- or NA-binding antibodies were absorbed from the immune serum. The protective efficacy of these antibodies was determined by injecting the absorbed serum into severe combined immunodeficiency mice, which were then challenged with highly pathogenic H5N1 virus (A/Vietnam/Jp1203/2004; Japanese isolate of A/Vietnam/1203/2004) ResultsThe NIBRG-14 vaccine elicited levels of anti-HA antibodies similar to levels elicited by the H1N1 vaccines, as well as levels of anti-NA antibodies higher than those elicited by the H1N1 vaccines. The absorption of either anti-HA or anti-NA antibody from immune serum samples obtained from NIBRG-14–vaccinated mice significantly reduced the protective efficacy of the serum ConclusionsFor NIBRG-14 vaccines to confer protection to vaccinated hosts, both anti-HA and anti-NA antibodies are required. This finding implies that the measurement of both antibody levels may be required for accurate evaluation of vaccine efficacy
Url:
DOI: 10.1086/598954
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last="Takahashi">Yoshimasa Takahashi</name><affiliation></affiliation><affiliation wicri:level="1"><country wicri:rule="url">Japon</country></affiliation></author><author><name sortKey="Hasegawa, Hideki" sort="Hasegawa, Hideki" uniqKey="Hasegawa H" first="Hideki" last="Hasegawa">Hideki Hasegawa</name><affiliation><wicri:noCountry code="subField">and</wicri:noCountry></affiliation></author><author><name sortKey="Hara, Yukari" sort="Hara, Yukari" uniqKey="Hara Y" first="Yukari" last="Hara">Yukari Hara</name><affiliation><wicri:noCountry code="subField"></wicri:noCountry></affiliation></author><author><name sortKey="Ato, Manabu" sort="Ato, Manabu" uniqKey="Ato M" first="Manabu" last="Ato">Manabu Ato</name><affiliation><wicri:noCountry code="subField"></wicri:noCountry></affiliation></author><author><name sortKey="Ninomiya, Ai" sort="Ninomiya, Ai" uniqKey="Ninomiya A" first="Ai" last="Ninomiya">Ai Ninomiya</name><affiliation><wicri:noCountry code="no comma">Virology III and</wicri:noCountry></affiliation></author><author><name sortKey="Takagi, Hirotaka" sort="Takagi, Hirotaka" uniqKey="Takagi H" first="Hirotaka" last="Takagi">Hirotaka Takagi</name><affiliation wicri:level="3"><country xml:lang="fr">Japon</country><wicri:regionArea>Division of Biosafety Control and Research, National Institute of Infectious Diseases, Tokyo</wicri:regionArea><placeName><settlement type="city">Tokyo</settlement><region type="région">Région de Kantō</region></placeName></affiliation></author><author><name sortKey="Odagiri, Takato" sort="Odagiri, Takato" uniqKey="Odagiri T" first="Takato" last="Odagiri">Takato Odagiri</name><affiliation><wicri:noCountry code="no comma">Virology III and</wicri:noCountry></affiliation></author><author><name sortKey="Sata, Tetsutaro" sort="Sata, Tetsutaro" uniqKey="Sata T" first="Tetsutaro" last="Sata">Tetsutaro Sata</name><affiliation><wicri:noCountry code="subField">and</wicri:noCountry></affiliation></author><author><name sortKey="Tashiro, Masato" sort="Tashiro, Masato" uniqKey="Tashiro M" first="Masato" last="Tashiro">Masato Tashiro</name><affiliation><wicri:noCountry code="no comma">Virology III and</wicri:noCountry></affiliation></author><author><name sortKey="Kobayashi, Kazuo" sort="Kobayashi, Kazuo" uniqKey="Kobayashi K" first="Kazuo" last="Kobayashi">Kazuo Kobayashi</name><affiliation><wicri:noCountry code="subField"></wicri:noCountry></affiliation></author></analytic><monogr></monogr><series><title level="j" type="main">The Journal of Infectious Diseases</title><title level="j" type="abbrev">The Journal of Infectious Diseases</title><idno type="ISSN">0022-1899</idno><idno type="eISSN">1537-6613</idno><imprint><publisher>The University of Chicago Press</publisher><date when="2009-06-01">2009</date><biblScope unit="vol">199</biblScope><biblScope unit="issue">11</biblScope><biblScope unit="page" from="1629">1629</biblScope><biblScope unit="page" to="1637">1637</biblScope></imprint><idno type="ISSN">0022-1899</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0022-1899</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract">BackgroundHemagglutination-inhibition (HI) antibody titers correlate with protective immunity to seasonal influenza viruses. However, inactivated H5N1 influenza vaccines from Vietnam 2004 strains afford protection without producing high or even detectable HI antibodies MethodsBALB/c mice were immunized twice (at a 3-week interval) with inactivated whole-virus influenza vaccine produced using reverse genetics, with the internal genes of A/PR/8/34 (a high-yield strain) and the hemagglutinin (HA) and neuraminidase (NA) genes of A/Vietnam/1194/04 (H5N1) virus (NIBRG-14) adjuvanted with alum (5 μg of HA). Either HA- or NA-binding antibodies were absorbed from the immune serum. The protective efficacy of these antibodies was determined by injecting the absorbed serum into severe combined immunodeficiency mice, which were then challenged with highly pathogenic H5N1 virus (A/Vietnam/Jp1203/2004; Japanese isolate of A/Vietnam/1203/2004) ResultsThe NIBRG-14 vaccine elicited levels of anti-HA antibodies similar to levels elicited by the H1N1 vaccines, as well as levels of anti-NA antibodies higher than those elicited by the H1N1 vaccines. The absorption of either anti-HA or anti-NA antibody from immune serum samples obtained from NIBRG-14–vaccinated mice significantly reduced the protective efficacy of the serum ConclusionsFor NIBRG-14 vaccines to confer protection to vaccinated hosts, both anti-HA and anti-NA antibodies are required. This finding implies that the measurement of both antibody levels may be required for accurate evaluation of vaccine efficacy</div></front></TEI><affiliations><list><country><li>Japon</li></country><region><li>Région de Kantō</li></region><settlement><li>Tokyo</li></settlement></list><tree><noCountry><name sortKey="Ato, Manabu" sort="Ato, Manabu" uniqKey="Ato M" first="Manabu" last="Ato">Manabu Ato</name><name sortKey="Hara, Yukari" sort="Hara, Yukari" uniqKey="Hara Y" first="Yukari" last="Hara">Yukari Hara</name><name sortKey="Hasegawa, Hideki" sort="Hasegawa, Hideki" uniqKey="Hasegawa H" first="Hideki" last="Hasegawa">Hideki Hasegawa</name><name sortKey="Kobayashi, Kazuo" sort="Kobayashi, Kazuo" uniqKey="Kobayashi K" first="Kazuo" last="Kobayashi">Kazuo Kobayashi</name><name sortKey="Ninomiya, Ai" sort="Ninomiya, Ai" uniqKey="Ninomiya A" first="Ai" last="Ninomiya">Ai Ninomiya</name><name sortKey="Odagiri, Takato" sort="Odagiri, Takato" uniqKey="Odagiri T" first="Takato" last="Odagiri">Takato Odagiri</name><name sortKey="Sata, Tetsutaro" sort="Sata, Tetsutaro" uniqKey="Sata T" first="Tetsutaro" last="Sata">Tetsutaro Sata</name><name sortKey="Tashiro, Masato" sort="Tashiro, Masato" uniqKey="Tashiro M" first="Masato" last="Tashiro">Masato Tashiro</name></noCountry><country name="Japon"><noRegion><name sortKey="Takahashi, Yoshimasa" sort="Takahashi, Yoshimasa" uniqKey="Takahashi Y" first="Yoshimasa" last="Takahashi">Yoshimasa Takahashi</name></noRegion><name sortKey="Takagi, Hirotaka" sort="Takagi, Hirotaka" uniqKey="Takagi H" first="Hirotaka" last="Takagi">Hirotaka Takagi</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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