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| Content Provider | Springer Nature : BioMed Central |
|---|---|
| Author | Eugene, Hermancia S Pierce-Paul, Brooke R Craigo, Jodi K Ross, Ted M |
| Abstract | The development of a preventative HIV/AIDS vaccine is challenging due to the diversity of viral genome sequences, especially in the viral envelope (Env160). Since it is not possible to directly match the vaccine strain to the vast number of circulating HIV-1 strains, it is necessary to develop an HIV-1 vaccine that can protect against a heterologous viral challenge. Previous studies from our group demonstrated that a mixture of wild type clade B Envgp160s were able to protect against a heterologous clade B challenge more effectively than a consensus clade B Envgp160 vaccine. In order to broaden the immune response to other clades of HIV, in this study rhesus macaques were vaccinated with a polyvalent mixture of purified HIV-1 trimerized consensus Envgp140 proteins representing clades A, B, C, and E. The elicited immune responses were compared to a single consensus Envgp140 representing all isolates in group M (Con M). Both vaccines elicited anti- Envgp140 IgG antibodies that bound an equal number of HIV-1 Envgp160 proteins representing clades A, B and C. In addition, both vaccines elicited antibodies that neutralized the HIV-1SF162 isolate. However, the vaccinated monkeys were not protected against SHIVSF162p4 challenge. These results indicate that consensus Envgp160 vaccines, administered as purified Envgp140 trimers, elicit antibodies that bind to Envgp160s from strains representing multiple clades of HIV-1, but these vaccines did not protect against heterologous SHIV challenge. |
| Related Links | https://virologyj.biomedcentral.com/counter/pdf/10.1186/1743-422X-10-102.pdf |
| Ending Page | 11 |
| Page Count | 11 |
| Starting Page | 1 |
| File Format | HTM / HTML |
| DOI | 10.1186/1743-422X-10-102 |
| Journal | Virology Journal |
| Issue Number | 1 |
| Volume Number | 10 |
| Language | English |
| Publisher | BioMed Central |
| Publisher Date | 2013-04-02 |
| Access Restriction | Open |
| Subject Keyword | Virology Human Immunodeficiency Virus Rhesus Macaque Neutralize Antibody Titer Human Immunodeficiency Virus Protein Human Immunodeficiency Virus Vaccine |
| Content Type | Text |
| Resource Type | Article |
| Subject | Virology Infectious Diseases |
| Journal Impact Factor | 4/2023 |
| 5-Year Journal Impact Factor | 3.8/2023 |
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