Lower Baseline Germinal Center Activity and Preserved Th1 Immunity are Associated with Hepatitis B Vaccine Response in Treated HIV Infection
Background: Why HIV-infected individuals have poor responses to standard dose and schedule hepatitis B virus immunization is not well understood. Methods: We compared the serologic and cellular immune profiles of treated HIV-infected individuals with similar durations of infection and preserved CD4...
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| Main Authors: | , , , , , , , |
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| Format: | Book |
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Case Western Reserve University,
2017-03-01T00:00:00Z.
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| Summary: | Background: Why HIV-infected individuals have poor responses to standard dose and schedule hepatitis B virus immunization is not well understood. Methods: We compared the serologic and cellular immune profiles of treated HIV-infected individuals with similar durations of infection and preserved CD4 counts (>350 cells/microliter) by hepatitis B vaccine (HBV) response before and after vaccination. Results: Similar levels of immune activation and plasma cytokine profile were found between non-responders and responders. The baseline plasma levels of CXCL-13, a surrogate of germinal center reactivity, were significantly lower in HBV responders compared to HBV non-responders and were a predictor of both vaccine response and titer. Furthermore, response to HBV vaccination was associated with a significantly higher frequency of circulating IgGhigh memory B cells post vaccination and preserved Th1 antigen-specific T-cell responses. Conclusions: Taken together, our data suggest that preserved Th1 responses are associated with hepatitis B vaccine response in treated HIV infection. |
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| Item Description: | 2469-2964 10.20411/pai.v2i1.175 |