Validation of an adipose-liver human-on-a-chip model of NAFLD for preclinical therapeutic efficacy evaluation.

Validation of an adipose-liver human-on-a-chip model of NAFLD for preclinical therapeutic efficacy evaluation.
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用于临床前治疗效果评估的非酒精性脂肪性肝病(NAFLD)脂肪 - 肝脏类器官芯片模型的验证

DOI:
10.1038/s41598-021-92264-2
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发表时间:
2021-06-23
期刊:
影响因子:
4.6
通讯作者:
Hickman JJ
Hickman JJ
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Slaughter VL;Rumsey JW;Boone R;Malik D;Cai Y;Sriram NN;Long CJ;McAleer CW;Lambert S;Shuler ML;Hickman JJ

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非酒精性脂肪性肝病(NAFLD)是最常见的肝脏疾病,与肥胖和II型糖尿病的发病率增加密切相关。我们开发了一种由人肝细胞和脂肪组织腔室组成的人芯片模型,能够模拟导致肝脏疾病发展和进展的代谢因素,并评估治疗性二甲双胍。该模型使用了无血清的再循环培养基,可代表14天内不同的人体代谢状况。该系统验证了脂肪细胞生理学对肝细胞的间接影响,这些影响模拟了NAFLD进展的重要方面,包括胰岛素抵抗生物标志物、不同培养基中的差异脂肪因子信号传导以及仅在双组织模型中观察到的TNF-α诱导的脂肪变性增加。该模型提供了一个简单但独特的平台来评估个体因素对NAFLD发展和机制的贡献,以及评估临床前药物疗效和重新评估人类给药方案。
Nonalcoholic fatty liver disease (NAFLD) is the most common liver disease and strongly correlates with the growing incidence of obesity and type II diabetes. We have developed a human-on-a-chip model composed of human hepatocytes and adipose tissue chambers capable of modeling the metabolic factors that contribute to liver disease development and progression, and evaluation of the therapeutic metformin. This model uses a serum-free, recirculating medium tailored to represent different human metabolic conditions over a 14-day period. The system validated the indirect influence of adipocyte physiology on hepatocytes that modeled important aspects of NAFLD progression, including insulin resistant biomarkers, differential adipokine signaling in different media and increased TNF-α-induced steatosis observed only in the two-tissue model. This model provides a simple but unique platform to evaluate aspects of an individual factor’s contribution to NAFLD development and mechanisms as well as evaluate preclinical drug efficacy and reassess human dosing regimens.
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