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Purification of inf...
Purification of infectious human herpesvirus 6A virions and association of host cell proteins
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- Hammarstedt, Maria (författare)
- Lund University,Lunds universitet,Stamcellscentrum (SCC),Avdelningen för stamcellsforskning,Institutionen för laboratoriemedicin,Medicinska fakulteten,Stem Cell Center,Division of stem cell research,Department of Laboratory Medicine,Faculty of Medicine
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Ahlqvist, Jenny (författare)
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Jacobson, Steven (författare)
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- Garoff, Henrik (författare)
- Karolinska Institutet
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- Fogdell-Hahn, Anna (författare)
- Karolinska Institutet
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(creator_code:org_t)
- 2007
- 2007
- Engelska.
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Ingår i: Virology Journal. - 1743-422X. ; 4
- Relaterad länk:
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http://dx.doi.org/10... (free)
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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http://kipublication...
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Abstract
Ämnesord
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- BACKGROUND: Viruses that are incorporating host cell proteins might trigger autoimmune diseases. It is therefore of interest to identify possible host proteins associated with viruses, especially for enveloped viruses that have been suggested to play a role in autoimmune diseases, like human herpesvirus 6A (HHV-6A) in multiple sclerosis (MS). RESULTS: We have established a method for rapid and morphology preserving purification of HHV-6A virions, which in combination with parallel analyses with background control material released from mock-infected cells facilitates qualitative and quantitative investigations of the protein content of HHV-6A virions. In our iodixanol gradient purified preparation, we detected high levels of viral DNA by real-time PCR and viral proteins by metabolic labelling, silver staining and western blots. In contrast, the background level of cellular contamination was low in the purified samples as demonstrated by the silver staining and metabolic labelling analyses. Western blot analyses showed that the cellular complement protein CD46, the receptor for HHV-6A, is associated with the purified and infectious virions. Also, the cellular proteins clathrin, ezrin and Tsg101 are associated with intact HHV-6A virions. CONCLUSION: Cellular proteins are associated with HHV-6A virions. The relevance of the association in disease and especially in autoimmunity will be further investigated.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Cell- och molekylärbiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Cell and Molecular Biology (hsv//eng)
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