Age-Associated Cross-reactive Antibody-Dependent Cellular Cytotoxicity Toward 2009 Pandemic Influenza A Virus Subtype H1N1
Identifieur interne : 000220 ( PascalFrancis/Corpus ); précédent : 000219; suivant : 000221Age-Associated Cross-reactive Antibody-Dependent Cellular Cytotoxicity Toward 2009 Pandemic Influenza A Virus Subtype H1N1
Auteurs : Sinthujan Jegaskanda ; Karen L. Laurie ; Thakshila H. Amarasena ; Wendy R. Winnall ; Marit Kramski ; Robert De Rose ; Ian G. Barr ; Andrew G. Brooks ; Patrick C. Reading ; Stephen J. KentSource :
- The Journal of infectious diseases [ 0022-1899 ] ; 2013.
Descripteurs français
- Pascal (Inist)
English descriptors
Abstract
Background. During the 2009 pandemic of influenza A virus subtype H1N1 (A[H1N1]pdm09) infection, older individuals were partially protected from severe disease. It is not known whether preexisting antibodies with effector functions such as antibody-dependent cellular cytotoxicity (ADCC) contributed to the immunity observed. Methods. We tested serum specimens obtained from 182 individuals aged 1-72 years that were collected either immediately before or after the A(H1N1)pdm09 pandemic for ADCC antibodies to the A(H1N1)pdm09 hemagglutinin (HA) protein. Results. A(H1N1)pdm09 HA-specific ADCC antibodies were detected in almost all individuals aged >45 years (28/31 subjects) before the 2009 A(H1N1) pandemic. Conversely, only approximately half of the individuals aged 1-14 years (11/31) and 15-45 years (17/31) had cross-reactive ADCC antibodies before the 2009 A(H1N1) pandemic. The A(H1N1)pdm09-specific ADCC antibodies were able to efficiently mediate the killing of influenza virus-infected respiratory epithelial cells. Further, subjects >45 years of age had higher ADCC titers to a range of seasonal H1N1 HA proteins, including from the 1918 virus, compared with younger individuals. Conclusions. ADCC antibodies may have contributed to the protection exhibited in older individuals during the 2009 A(H1N1) pandemic. This work has significant implications for improved vaccination strategies for future influenza pandemics.
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Pour connaître la documentation sur le format Inist Standard.
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Format Inist (serveur)
NO : | PASCAL 13-0310023 INIST |
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ET : | Age-Associated Cross-reactive Antibody-Dependent Cellular Cytotoxicity Toward 2009 Pandemic Influenza A Virus Subtype H1N1 |
AU : | JEGASKANDA (Sinthujan); LAURIE (Karen L.); AMARASENA (Thakshila H.); WINNALL (Wendy R.); KRAMSKI (Marit); DE ROSE (Robert); BARR (Ian G.); BROOKS (Andrew G.); READING (Patrick C.); KENT (Stephen J.) |
AF : | Department of Microbiology and Immunology, University of Melbourne/Parkville/Australie (1 aut., 3 aut., 4 aut., 5 aut., 6 aut., 8 aut., 9 aut., 10 aut.); WHO Collaborating Centre for Reference and Research on Influenza, VIDRL/North Melbourne/Australie (2 aut., 7 aut., 9 aut.) |
DT : | Publication en série; Niveau analytique |
SO : | The Journal of infectious diseases; ISSN 0022-1899; Coden JIDIAQ; Royaume-Uni; Da. 2013; Vol. 208; No. 7; Pp. 1051-1061; Bibl. 39 ref. |
LA : | Anglais |
EA : | Background. During the 2009 pandemic of influenza A virus subtype H1N1 (A[H1N1]pdm09) infection, older individuals were partially protected from severe disease. It is not known whether preexisting antibodies with effector functions such as antibody-dependent cellular cytotoxicity (ADCC) contributed to the immunity observed. Methods. We tested serum specimens obtained from 182 individuals aged 1-72 years that were collected either immediately before or after the A(H1N1)pdm09 pandemic for ADCC antibodies to the A(H1N1)pdm09 hemagglutinin (HA) protein. Results. A(H1N1)pdm09 HA-specific ADCC antibodies were detected in almost all individuals aged >45 years (28/31 subjects) before the 2009 A(H1N1) pandemic. Conversely, only approximately half of the individuals aged 1-14 years (11/31) and 15-45 years (17/31) had cross-reactive ADCC antibodies before the 2009 A(H1N1) pandemic. The A(H1N1)pdm09-specific ADCC antibodies were able to efficiently mediate the killing of influenza virus-infected respiratory epithelial cells. Further, subjects >45 years of age had higher ADCC titers to a range of seasonal H1N1 HA proteins, including from the 1918 virus, compared with younger individuals. Conclusions. ADCC antibodies may have contributed to the protection exhibited in older individuals during the 2009 A(H1N1) pandemic. This work has significant implications for improved vaccination strategies for future influenza pandemics. |
CC : | 002A05; 002B05 |
FD : | Age; Réaction ADCC; Soustype; Infection; Virus grippal A(H1N1) |
ED : | Age; Antibody-dependent cell cytotoxicity; Subtype; Infection; Influenzavirus A(H1N1) |
SD : | Edad; Reacción ADCC; Subtipo; Infección |
LO : | INIST-2052.354000505852320030 |
ID : | 13-0310023 |
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Pascal:13-0310023Le document en format XML
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<front><div type="abstract" xml:lang="en">Background. During the 2009 pandemic of influenza A virus subtype H1N1 (A[H1N1]pdm09) infection, older individuals were partially protected from severe disease. It is not known whether preexisting antibodies with effector functions such as antibody-dependent cellular cytotoxicity (ADCC) contributed to the immunity observed. Methods. We tested serum specimens obtained from 182 individuals aged 1-72 years that were collected either immediately before or after the A(H1N1)pdm09 pandemic for ADCC antibodies to the A(H1N1)pdm09 hemagglutinin (HA) protein. Results. A(H1N1)pdm09 HA-specific ADCC antibodies were detected in almost all individuals aged >45 years (28/31 subjects) before the 2009 A(H1N1) pandemic. Conversely, only approximately half of the individuals aged 1-14 years (11/31) and 15-45 years (17/31) had cross-reactive ADCC antibodies before the 2009 A(H1N1) pandemic. The A(H1N1)pdm09-specific ADCC antibodies were able to efficiently mediate the killing of influenza virus-infected respiratory epithelial cells. Further, subjects >45 years of age had higher ADCC titers to a range of seasonal H1N1 HA proteins, including from the 1918 virus, compared with younger individuals. Conclusions. ADCC antibodies may have contributed to the protection exhibited in older individuals during the 2009 A(H1N1) pandemic. This work has significant implications for improved vaccination strategies for future influenza pandemics.</div>
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<fC01 i1="01" l="ENG"><s0>Background. During the 2009 pandemic of influenza A virus subtype H1N1 (A[H1N1]pdm09) infection, older individuals were partially protected from severe disease. It is not known whether preexisting antibodies with effector functions such as antibody-dependent cellular cytotoxicity (ADCC) contributed to the immunity observed. Methods. We tested serum specimens obtained from 182 individuals aged 1-72 years that were collected either immediately before or after the A(H1N1)pdm09 pandemic for ADCC antibodies to the A(H1N1)pdm09 hemagglutinin (HA) protein. Results. A(H1N1)pdm09 HA-specific ADCC antibodies were detected in almost all individuals aged >45 years (28/31 subjects) before the 2009 A(H1N1) pandemic. Conversely, only approximately half of the individuals aged 1-14 years (11/31) and 15-45 years (17/31) had cross-reactive ADCC antibodies before the 2009 A(H1N1) pandemic. The A(H1N1)pdm09-specific ADCC antibodies were able to efficiently mediate the killing of influenza virus-infected respiratory epithelial cells. Further, subjects >45 years of age had higher ADCC titers to a range of seasonal H1N1 HA proteins, including from the 1918 virus, compared with younger individuals. Conclusions. ADCC antibodies may have contributed to the protection exhibited in older individuals during the 2009 A(H1N1) pandemic. This work has significant implications for improved vaccination strategies for future influenza pandemics.</s0>
</fC01>
<fC02 i1="01" i2="X"><s0>002A05</s0>
</fC02>
<fC02 i1="02" i2="X"><s0>002B05</s0>
</fC02>
<fC03 i1="01" i2="X" l="FRE"><s0>Age</s0>
<s5>05</s5>
</fC03>
<fC03 i1="01" i2="X" l="ENG"><s0>Age</s0>
<s5>05</s5>
</fC03>
<fC03 i1="01" i2="X" l="SPA"><s0>Edad</s0>
<s5>05</s5>
</fC03>
<fC03 i1="02" i2="X" l="FRE"><s0>Réaction ADCC</s0>
<s5>06</s5>
</fC03>
<fC03 i1="02" i2="X" l="ENG"><s0>Antibody-dependent cell cytotoxicity</s0>
<s5>06</s5>
</fC03>
<fC03 i1="02" i2="X" l="SPA"><s0>Reacción ADCC</s0>
<s5>06</s5>
</fC03>
<fC03 i1="03" i2="X" l="FRE"><s0>Soustype</s0>
<s5>07</s5>
</fC03>
<fC03 i1="03" i2="X" l="ENG"><s0>Subtype</s0>
<s5>07</s5>
</fC03>
<fC03 i1="03" i2="X" l="SPA"><s0>Subtipo</s0>
<s5>07</s5>
</fC03>
<fC03 i1="04" i2="X" l="FRE"><s0>Infection</s0>
<s5>08</s5>
</fC03>
<fC03 i1="04" i2="X" l="ENG"><s0>Infection</s0>
<s5>08</s5>
</fC03>
<fC03 i1="04" i2="X" l="SPA"><s0>Infección</s0>
<s5>08</s5>
</fC03>
<fC03 i1="05" i2="X" l="FRE"><s0>Virus grippal A(H1N1)</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fC03 i1="05" i2="X" l="ENG"><s0>Influenzavirus A(H1N1)</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fN21><s1>294</s1>
</fN21>
<fN44 i1="01"><s1>OTO</s1>
</fN44>
<fN82><s1>OTO</s1>
</fN82>
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<server><NO>PASCAL 13-0310023 INIST</NO>
<ET>Age-Associated Cross-reactive Antibody-Dependent Cellular Cytotoxicity Toward 2009 Pandemic Influenza A Virus Subtype H1N1</ET>
<AU>JEGASKANDA (Sinthujan); LAURIE (Karen L.); AMARASENA (Thakshila H.); WINNALL (Wendy R.); KRAMSKI (Marit); DE ROSE (Robert); BARR (Ian G.); BROOKS (Andrew G.); READING (Patrick C.); KENT (Stephen J.)</AU>
<AF>Department of Microbiology and Immunology, University of Melbourne/Parkville/Australie (1 aut., 3 aut., 4 aut., 5 aut., 6 aut., 8 aut., 9 aut., 10 aut.); WHO Collaborating Centre for Reference and Research on Influenza, VIDRL/North Melbourne/Australie (2 aut., 7 aut., 9 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>The Journal of infectious diseases; ISSN 0022-1899; Coden JIDIAQ; Royaume-Uni; Da. 2013; Vol. 208; No. 7; Pp. 1051-1061; Bibl. 39 ref.</SO>
<LA>Anglais</LA>
<EA>Background. During the 2009 pandemic of influenza A virus subtype H1N1 (A[H1N1]pdm09) infection, older individuals were partially protected from severe disease. It is not known whether preexisting antibodies with effector functions such as antibody-dependent cellular cytotoxicity (ADCC) contributed to the immunity observed. Methods. We tested serum specimens obtained from 182 individuals aged 1-72 years that were collected either immediately before or after the A(H1N1)pdm09 pandemic for ADCC antibodies to the A(H1N1)pdm09 hemagglutinin (HA) protein. Results. A(H1N1)pdm09 HA-specific ADCC antibodies were detected in almost all individuals aged >45 years (28/31 subjects) before the 2009 A(H1N1) pandemic. Conversely, only approximately half of the individuals aged 1-14 years (11/31) and 15-45 years (17/31) had cross-reactive ADCC antibodies before the 2009 A(H1N1) pandemic. The A(H1N1)pdm09-specific ADCC antibodies were able to efficiently mediate the killing of influenza virus-infected respiratory epithelial cells. Further, subjects >45 years of age had higher ADCC titers to a range of seasonal H1N1 HA proteins, including from the 1918 virus, compared with younger individuals. Conclusions. ADCC antibodies may have contributed to the protection exhibited in older individuals during the 2009 A(H1N1) pandemic. This work has significant implications for improved vaccination strategies for future influenza pandemics.</EA>
<CC>002A05; 002B05</CC>
<FD>Age; Réaction ADCC; Soustype; Infection; Virus grippal A(H1N1)</FD>
<ED>Age; Antibody-dependent cell cytotoxicity; Subtype; Infection; Influenzavirus A(H1N1)</ED>
<SD>Edad; Reacción ADCC; Subtipo; Infección</SD>
<LO>INIST-2052.354000505852320030</LO>
<ID>13-0310023</ID>
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