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Antibody-mediated n...
Antibody-mediated neutralization of cytomegalovirus: modulation of efficacy induced through the IgG constant region.
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- Furebring, Christina (författare)
- Lund University,Lunds universitet,Institutionen för immunteknologi,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Immunotechnology,Departments at LTH,Faculty of Engineering, LTH
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Speckner, Andrea (författare)
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Mach, Michael (författare)
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Sandlie, Inger (författare)
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Norderhaug, Lars (författare)
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- Borrebaeck, Carl (författare)
- Lund University,Lunds universitet,Institutionen för immunteknologi,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Immunotechnology,Departments at LTH,Faculty of Engineering, LTH
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- Turesson, Helene (författare)
- Lund University,Lunds universitet,Institutionen för immunteknologi,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Immunotechnology,Departments at LTH,Faculty of Engineering, LTH
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- Ohlin, Mats (författare)
- Lund University,Lunds universitet,Institutionen för immunteknologi,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Immunotechnology,Departments at LTH,Faculty of Engineering, LTH
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(creator_code:org_t)
- 2002
- 2002
- Engelska.
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Ingår i: Molecular Immunology. - 1872-9142. ; 38:11, s. 833-840
- Relaterad länk:
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Antibodies can neutralize the infectious properties of human cytomegalovirus (CMV). In vivo, the major neutralization determinants are located on glycoprotein B (gB). Recombinant human antibodies, that carry different constant regions (IgG1, IgG3 and the synthetic variant IgG3mA) against two of these epitopes were investigated for their ability to recruit the complement cascade for destruction of the virus. It was shown that all variants of an antibody against the antigenic domain (AD)-2 epitope displayed a similar neutralization activity despite the fact that improved C1q binding was observed for IgG3 and IgG3mA over the IgG1 variant. In contrast, an antibody against the AD-1 epitope carrying the normal IgG3 constant region, was less efficient than its IgG1 counterpart in neutralizing the virus in the absence of complement. However, it restored its activity in the presence of complement to the level of the naturally occurring IgG1 version. The same antibody was substantially more potent in neutralizing the virus in the presence of complement if it carried the IgG3mA constant region. This demonstrates the importance of the constant domain for the biological activity of AD-1 specific antibodies, a factor that should be taken into account when using antibody-based therapeutics or when inducing antibodies by vaccination.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Immunologi inom det medicinska området (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Immunology in the medical area (hsv//eng)
Nyckelord
- Neutralization Tests
- Immunoglobulin G : immunology
- Molecular Sequence Data
- Immunoglobulin Constant Region : immunology
- Human
- Cytomegalovirus : immunology
- Complement : physiology
- Base Sequence
- Viral : immunology
- Antibodies
- Recombinant Proteins : immunology
- Support
- Non-U.S. Gov't
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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