相关实验视频

Updated: Jan 10, 2026

Oral Combinational Antiretroviral Treatment in HIV-1 Infected Humanized Mice

Oral Combinational Antiretroviral Treatment in HIV-1 Infected Humanized Mice

Published on: October 6, 2022

杜洛特格拉维尔和比克特格拉维尔的差异性脂肪组织重塑和代谢作用:对艾滋病毒治疗的影响

Laura Gisbert-Ferrándiz¹, Patricia García-Martínez¹, Juan V Esplugues²

¹Departamento de Farmacología, Universitat de València, Valencia, Spain; Fundación para el Fomento de la Investigación Sanitaria y Biomédica en la Comunidad Valenciana (FISABIO), Hospital Universitario Doctor Peset, Valencia, Spain.

Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie

|November 29, 2025

概括

整合酶链转移抑制剂 (INSTIs),如多卢特格拉维尔和比克特格拉维尔,对脂肪细胞的发育有不同的影响. 这些发现对于长期治疗艾滋病毒感染者的代谢副作用管理至关重要.

科学领域:

生物化学生物化学
细胞生物学细胞生物学
药理学药理学是指药理学的学科.

背景情况:

联合抗逆转录病毒疗法 (cART) 可以改善艾滋病毒的预后,但会导致代谢问题,如体重增加.
整合酶链转移抑制剂 (INSTIs),特别是杜洛特格拉维尔 (DTG) 和比克特格拉维尔 (BIC),与艾滋病病毒 (PWH) 患者的脂肪组织变化和体重增加有关.

研究的目的:

研究DTG和BIC对脂肪生成和脂肪组织功能的直接影响.
阐明INSTI相关的代谢变化背后的分子机制.

主要方法:

在体外研究中使用3T3-L1前脂肪细胞培养物来评估脂肪细胞分化和基因表达.
使用小鼠模型进行体内研究,通过RNA测序来评估身体成分,食物摄入量和脂肪组织基因表达.

主要成果:

在实验室中,DTG抑制了脂肪生成,抑制了代谢基因表达,减少了脂质积累,并增加了profibrotic标记物.
在实验室中,BIC促进了脂肪生成和高性脂肪细胞的发展.
DTG和BIC都降低了阿迪波金的产量,而DTG显示出更强的效果.
在体内,两家INSTI都显示体重增加的趋势和体重与脂肪质量之间的更强的相关性,尽管总体脂肪或食物摄入量没有显著变化.
RNA测序揭示了与脂肪细胞分化,脂质代谢和昼夜调节相关的白色脂肪组织 (WAT) 中明显但重叠的基因表达特征.

结论:

DTG和BIC对脂肪生成和WAT生物学产生不同的重叠影响.
这些分子变化可能导致使用这些INSTIs在PWH中观察到的代谢变化.
了解这些机制对于优化艾滋病毒治疗和减少心脏代谢风险至关重要.

关键词:

脂肪细胞 (adipocytes) 是一种脂肪细胞.脂质生成 (adipogenesis) 是一种抗逆转录病毒药物治疗身体构成身体组成整合酶抑制剂整合酶抑制剂体重增加体重增加

更多相关视频

Quantitative Structure-Activity Relationship, Activity Prediction, and Molecular Dynamics of Non-nucleotide Reverse Transcriptase Inhibitors

Quantitative Structure-Activity Relationship, Activity Prediction, and Molecular Dynamics of Non-nucleotide Reverse Transcriptase Inhibitors

Published on: May 9, 2025

Rapid Screening of HIV Reverse Transcriptase and Integrase Inhibitors

Rapid Screening of HIV Reverse Transcriptase and Integrase Inhibitors

Published on: April 9, 2014

相关概念视频

Retrovirus Life Cycles

Retrovirus Life Cycles

Retroviruses have a single-stranded RNA genome that undergoes a special form of replication. Once the retrovirus has entered the host cell, an enzyme called reverse transcriptase synthesizes double-stranded DNA from the retroviral RNA genome. This DNA copy of the genome is then integrated into the host’s genome inside the nucleus via an enzyme called integrase. Consequently, the retroviral genome is transcribed into RNA whenever the host’s genome is transcribed, allowing the...

Pharmacokinetics in Obese Patients: Drug Absorption and Distribution

Pharmacokinetics in Obese Patients: Drug Absorption and Distribution

Obesity significantly alters the pharmacokinetic processes of drug absorption and distribution, presenting unique challenges in medical treatment. The increased fat tissue and decreased lean muscle in obese individuals can significantly affect how drugs are absorbed into the body and distributed across different tissues. This alteration can lead to variances in the effectiveness and safety of medications, necessitating adjustments in dosing or drug selection for obese patients.One notable...