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用载体麻疹病毒初免并用单剂量乙型肝炎表面抗原加强免疫的恒河猴体内的保护性抗乙型肝炎病毒反应

Protective anti-hepatitis B virus responses in rhesus monkeys primed with a vectored measles virus and boosted with a single dose of hepatitis B surface antigen.

作者信息

Reyes-del Valle Jorge, Hodge Gregory, McChesney Michael B, Cattaneo Roberto

机构信息

Department of Molecular Medicine and Virology and Gene Therapy Graduate Track, Mayo Clinic College of Medicine, 200 First Street SW, Rochester, MN 55905, USA.

出版信息

J Virol. 2009 Sep;83(17):9013-7. doi: 10.1128/JVI.00906-09. Epub 2009 Jun 17.

Abstract

The widely used hepatitis B virus (HBV) vaccine is based on three doses of hepatitis B surface antigen (HBsAg) protein. We previously showed that vectored measles viruses (MV) expressing HBsAg retain measles vaccine function in monkeys but do not induce a protective anti-HBs response in all animals. We show here that a single dose of HBsAg protein following a three-dose vaccination regimen with an optimized HBsAg-expressing MV elicits protective anti-HBs responses in all four vaccinated Rhesus monkeys. Vaccination strategies coupling the effective, long-term immunity elicited by the high-coverage MV vaccine to prophylactic HBV immunity are discussed.

摘要

广泛使用的乙型肝炎病毒(HBV)疫苗是基于三剂乙型肝炎表面抗原(HBsAg)蛋白。我们之前表明,表达HBsAg的载体麻疹病毒(MV)在猴子中保留了麻疹疫苗功能,但并非在所有动物中都能诱导出保护性抗-HBs反应。我们在此表明,在使用优化的表达HBsAg的MV进行三剂疫苗接种方案后,单剂量的HBsAg蛋白能在所有四只接种疫苗的恒河猴中引发保护性抗-HBs反应。文中讨论了将高覆盖率MV疫苗引发的有效、长期免疫与预防性HBV免疫相结合的疫苗接种策略。

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Hepatitis B vaccines.
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