A subcutaneously injected UV-inactivated SARS coronavirus vaccine elicits systemic humoral immunity in mice
Identifieur interne : 002081 ( Istex/Checkpoint ); précédent : 002080; suivant : 002082A subcutaneously injected UV-inactivated SARS coronavirus vaccine elicits systemic humoral immunity in mice
Auteurs : Naomi Takasuka ; Hideki Fujii ; Yoshimasa Takahashi ; Masataka Kasai ; Shigeru Morikawa ; Shigeyuki Itamura ; Koji Ishii ; Masahiro Sakaguchi ; Kazuo Ohnishi ; Masamichi Ohshima ; Shu-Ichi Hashimoto ; Takato Odagiri ; Masato Tashiro ; Hiroshi Yoshikura [Japon] ; Toshitada Takemori ; Yasuko Tsunetsugu-YokotaSource :
- International Immunology [ 0953-8178 ] ; 2004.
Abstract
The recent emergence of severe acute respiratory syndrome (SARS) was caused by a novel coronavirus, SARS-CoV. It spread rapidly to many countries and developing a SARS vaccine is now urgently required. In order to study the immunogenicity of UV-inactivated purified SARS-CoV virion as a vaccine candidate, we subcutaneously immunized mice with UV-inactivated SARS-CoV with or without an adjuvant. We chose aluminum hydroxide gel (alum) as an adjuvant, because of its long safety history for human use. We observed that the UV-inactivated SARS-CoV virion elicited a high level of humoral immunity, resulting in the generation of long-term antibody secreting and memory B cells. With the addition of alum to the vaccine formula, serum IgG production was augmented and reached a level similar to that found in hyper-immunized mice, though it was still insufficient to elicit serum IgA antibodies. Notably, the SARS-CoV virion itself was able to induce long-term antibody production even without an adjuvant. Anti-SARS-CoV antibodies elicited in mice recognized both the spike and nucleocapsid proteins of the virus and were able to neutralize the virus. Furthermore, the UV-inactivated virion induced regional lymph node T-cell proliferation and significant levels of cytokine production (IL-2, IL-4, IL-5, IFN-γ and TNF-α) upon restimulation with inactivated SARS-CoV virion in vitro. Thus, a whole killed virion could serve as a candidate antigen for a SARS vaccine to elicit both humoral and cellular immunity.
Url:
DOI: 10.1093/intimm/dxh143
Affiliations:
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sortKey="Takahashi, Yoshimasa" sort="Takahashi, Yoshimasa" uniqKey="Takahashi Y" first="Yoshimasa" last="Takahashi">Yoshimasa Takahashi</name><affiliation><wicri:noCountry code="subField"></wicri:noCountry></affiliation></author><author><name sortKey="Kasai, Masataka" sort="Kasai, Masataka" uniqKey="Kasai M" first="Masataka" last="Kasai">Masataka Kasai</name><affiliation><wicri:noCountry code="subField"></wicri:noCountry></affiliation></author><author><name sortKey="Morikawa, Shigeru" sort="Morikawa, Shigeru" uniqKey="Morikawa S" first="Shigeru" last="Morikawa">Shigeru Morikawa</name><affiliation><wicri:noCountry code="subField"></wicri:noCountry></affiliation></author><author><name sortKey="Itamura, Shigeyuki" sort="Itamura, Shigeyuki" uniqKey="Itamura S" first="Shigeyuki" last="Itamura">Shigeyuki Itamura</name><affiliation><wicri:noCountry code="subField"></wicri:noCountry></affiliation></author><author><name sortKey="Ishii, Koji" sort="Ishii, Koji" uniqKey="Ishii K" first="Koji" 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code="subField"></wicri:noCountry></affiliation></author><author><name sortKey="Odagiri, Takato" sort="Odagiri, Takato" uniqKey="Odagiri T" first="Takato" last="Odagiri">Takato Odagiri</name><affiliation><wicri:noCountry code="subField"></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="subField"></wicri:noCountry></affiliation></author><author><name sortKey="Yoshikura, Hiroshi" sort="Yoshikura, Hiroshi" uniqKey="Yoshikura H" first="Hiroshi" last="Yoshikura">Hiroshi Yoshikura</name><affiliation wicri:level="1"><country xml:lang="fr">Japon</country><wicri:regionArea>National Institute of Infectious Diseases, Toyama 1-23-1, Shinjuku-ku, Tokyo 162-8640</wicri:regionArea><placeName><settlement type="city">Tokyo</settlement><region type="région">Région de Kantō</region></placeName></affiliation></author><author><name sortKey="Takemori, Toshitada" sort="Takemori, Toshitada" uniqKey="Takemori T" first="Toshitada" last="Takemori">Toshitada Takemori</name><affiliation><wicri:noCountry code="subField"></wicri:noCountry></affiliation></author><author><name sortKey="Tsunetsugu Yokota, Yasuko" sort="Tsunetsugu Yokota, Yasuko" uniqKey="Tsunetsugu Yokota Y" first="Yasuko" last="Tsunetsugu-Yokota">Yasuko Tsunetsugu-Yokota</name><affiliation><wicri:noCountry code="subField"></wicri:noCountry></affiliation></author></analytic><monogr></monogr><series><title level="j" type="main">International Immunology</title><title level="j" type="abbrev">Int. Immunol.</title><idno type="ISSN">0953-8178</idno><idno type="eISSN">1460-2377</idno><imprint><publisher>Oxford University Press</publisher><date type="e-published">2004</date><date type="published">2004</date><biblScope unit="vol">16</biblScope><biblScope unit="issue">10</biblScope><biblScope unit="page" from="1423">1423</biblScope><biblScope unit="page" to="1430">1430</biblScope></imprint><idno type="ISSN">0953-8178</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0953-8178</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The recent emergence of severe acute respiratory syndrome (SARS) was caused by a novel coronavirus, SARS-CoV. It spread rapidly to many countries and developing a SARS vaccine is now urgently required. In order to study the immunogenicity of UV-inactivated purified SARS-CoV virion as a vaccine candidate, we subcutaneously immunized mice with UV-inactivated SARS-CoV with or without an adjuvant. We chose aluminum hydroxide gel (alum) as an adjuvant, because of its long safety history for human use. We observed that the UV-inactivated SARS-CoV virion elicited a high level of humoral immunity, resulting in the generation of long-term antibody secreting and memory B cells. With the addition of alum to the vaccine formula, serum IgG production was augmented and reached a level similar to that found in hyper-immunized mice, though it was still insufficient to elicit serum IgA antibodies. Notably, the SARS-CoV virion itself was able to induce long-term antibody production even without an adjuvant. Anti-SARS-CoV antibodies elicited in mice recognized both the spike and nucleocapsid proteins of the virus and were able to neutralize the virus. Furthermore, the UV-inactivated virion induced regional lymph node T-cell proliferation and significant levels of cytokine production (IL-2, IL-4, IL-5, IFN-γ and TNF-α) upon restimulation with inactivated SARS-CoV virion in vitro. Thus, a whole killed virion could serve as a candidate antigen for a SARS vaccine to elicit both humoral and cellular immunity.</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="Fujii, Hideki" sort="Fujii, Hideki" uniqKey="Fujii H" first="Hideki" last="Fujii">Hideki Fujii</name><name sortKey="Hashimoto, Shu Ichi" sort="Hashimoto, Shu Ichi" uniqKey="Hashimoto S" first="Shu-Ichi" last="Hashimoto">Shu-Ichi Hashimoto</name><name sortKey="Ishii, Koji" sort="Ishii, Koji" uniqKey="Ishii K" first="Koji" last="Ishii">Koji Ishii</name><name sortKey="Itamura, Shigeyuki" sort="Itamura, Shigeyuki" uniqKey="Itamura S" first="Shigeyuki" last="Itamura">Shigeyuki Itamura</name><name sortKey="Kasai, Masataka" sort="Kasai, Masataka" uniqKey="Kasai M" first="Masataka" last="Kasai">Masataka Kasai</name><name sortKey="Morikawa, Shigeru" sort="Morikawa, Shigeru" uniqKey="Morikawa S" first="Shigeru" last="Morikawa">Shigeru Morikawa</name><name sortKey="Odagiri, Takato" sort="Odagiri, Takato" uniqKey="Odagiri T" first="Takato" last="Odagiri">Takato Odagiri</name><name sortKey="Ohnishi, Kazuo" sort="Ohnishi, Kazuo" uniqKey="Ohnishi K" first="Kazuo" last="Ohnishi">Kazuo Ohnishi</name><name sortKey="Ohshima, Masamichi" sort="Ohshima, Masamichi" uniqKey="Ohshima M" first="Masamichi" last="Ohshima">Masamichi Ohshima</name><name sortKey="Sakaguchi, Masahiro" sort="Sakaguchi, Masahiro" uniqKey="Sakaguchi M" first="Masahiro" last="Sakaguchi">Masahiro Sakaguchi</name><name sortKey="Takahashi, Yoshimasa" sort="Takahashi, Yoshimasa" uniqKey="Takahashi Y" first="Yoshimasa" last="Takahashi">Yoshimasa Takahashi</name><name sortKey="Takasuka, Naomi" sort="Takasuka, Naomi" uniqKey="Takasuka N" first="Naomi" last="Takasuka">Naomi Takasuka</name><name sortKey="Takemori, Toshitada" sort="Takemori, Toshitada" uniqKey="Takemori T" first="Toshitada" last="Takemori">Toshitada Takemori</name><name sortKey="Tashiro, Masato" sort="Tashiro, Masato" uniqKey="Tashiro M" first="Masato" last="Tashiro">Masato Tashiro</name><name sortKey="Tsunetsugu Yokota, Yasuko" sort="Tsunetsugu Yokota, Yasuko" uniqKey="Tsunetsugu Yokota Y" first="Yasuko" last="Tsunetsugu-Yokota">Yasuko Tsunetsugu-Yokota</name></noCountry><country name="Japon"><region name="Région de Kantō"><name sortKey="Yoshikura, Hiroshi" sort="Yoshikura, Hiroshi" uniqKey="Yoshikura H" first="Hiroshi" last="Yoshikura">Hiroshi Yoshikura</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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