Title |
Aikeqing decreases viral loads in SHIV89.6-infected Chinese rhesus macaques
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Published in |
Chinese Medicine, July 2016
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DOI | 10.1186/s13020-016-0105-x |
Pubmed ID | |
Authors |
Gao-Hong Zhang, Jian-Bao Han, Lin Zhu, Rong-Hua Luo, Xi-He Zhang, Xin Chen, Ying-Jie Hu, Lin-Chun Fu, Yong-Tang Zheng |
Abstract |
Aikeqing (AKQ) has been shown in clinical studies to improve quality of life of HIV/AIDS patients, but anti-HIV activity has not been determined. The SHIV-infected macaque is an important animal model for testing antiviral drugs. This study aimed to determine the anti-HIV activity of AKQ in chronically SHIV89.6-infected Chinese rhesus macaques. Nine Chinese rhesus macaques were inoculated intravenously with SHIV89.6 virus. At 11 weeks post-infection, the animals were arbitrarily divided into three groups: high-dose (AKQ 1.65 g/kg; n = 3), low-dose (AKQ 0.55 g/kg; n = 3), and control (water 1 mL/kg; n = 3). Treatment was administered by the intragastric gavage route once-daily for 8 weeks. Blood (5 mL) was collected biweekly. Viral loads were analyzed by real-time quantitative RT-PCR assays, and T cell counts were monitored by FACS analyses throughout the treatment. AKQ induced a persistent decline (P = 0.02) in plasma viral loads during treatment in the high-dose group compared with their baseline levels, and cessation of the therapy caused viral load rebound to the pretreatment levels. No significant difference (P = 0.06) was found in the plasma viral loads during treatment in the low-dose group. The CD4(+) T cell counts and CD4/CD8 ratios remained at stable high levels during the treatment period. AKQ reduced plasma viral loads in the SHIV89.6-infected Chinese rhesus macaque model. |
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