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Dynamics analysis of an amended HBV infection model with a simulation for anti-HBV infection therapy

机译:修正的HBV感染模型的动力学分析以及抗HBV感染治疗的模拟

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This paper introduces an amended hepatitis B virus (HBV) infection model with an immune response term and an alanine aminotransferase (ALT) term. It has been proved that if a basic virus reproductive number R0 < 1, then the virus free equilibrium point of the model is globally asymptotically stable; if R0 > 1, then the immune depletion equilibrium point of the model is globally asymptotically stable. This result implies that if an HBV infected patient has R0 < 1, then the patient will eventually recover even if infected with a large amount of virus. Simulating the dynamics of evolutions of serum HBV DNA levels and ALT levels for 115 Asians and 113 non-Asians HBeAg positive chronic hepatitis B (CHB) patients' Tenofovir Disoproxil Fumarate (TDF) 48 weeks therapy reported by C. Pan et al., the results show that TDF anti-HBV infection therapy may not only suppress the HBV DNA levels via destructing patients' infected hepatocytes but also activate patients' ability of cytokine-midiated non-cytolytic HBV clearance, which clears HBV directly without damaging patients' hepatocytes.
机译:本文介绍了一种带有免疫应答项和丙氨酸氨基转移酶(ALT)项的修正的乙型肝炎病毒(HBV)感染模型。已经证明,如果基本病毒繁殖数R0 <1,则该模型的无病毒平衡点在全局上是渐近稳定的。如果R0> 1,则模型的免疫耗竭平衡点是全局渐近稳定的。该结果表明,如果被HBV感染的患者的R0 <1,那么即使感染了大量病毒,该患者也将最终康复。由C.Pan等人报道,模拟了115位亚洲人和113位非亚洲人HBeAg阳性慢性乙型肝炎(CHB)患者的替诺福韦二富马酸富马酸酯(TDF)治疗48周后血清HBV DNA水平和ALT水平演变的动态。结果表明,TDF抗HBV感染疗法不仅可以通过破坏患者感染的肝细胞来抑制HBV DNA水平,而且可以激活患者的细胞因子介导的非溶细胞性HBV清除能力,从而在不损害患者肝细胞的情况下直接清除HBV。

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