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Medicine
喂养和肥胖小鼠模型中的药物自我管理
喂养和肥胖小鼠模型中的药物自我管理
JoVE Journal
Medicine
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JoVE Journal Medicine
Self-Administration of Drugs in Mouse Models of Feeding and Obesity

喂养和肥胖小鼠模型中的药物自我管理

Full Text
4,928 Views
03:37 min
June 8, 2021

DOI: 10.3791/62775-v

Rizaldy C. Zapata1, Dinghong Zhang1, Besma Chaudry1, Olivia Osborn1

1Division of Endocrinology and Metabolism, Department of Medicine,University of California San Diego

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Please note that some of the translations on this page are AI generated. Click here for the English version.

这个程序的总体目标是描述一种药物的自我管理方法,可用于喂养和肥胖的老鼠模型。

小鼠的临床前研究通常依赖于侵入性药物的输送,如注射或口服咽部,这些药物会对食物摄入量和体重产生重大影响。为了克服这些限制,药物可以与花生酱等高度可口的食物混合,使小鼠能够与注射或咽动相比,以最小的压力自行管理化合物。首先,使用害虫将药物片剂粉碎在砂浆中。

在拖拉秤上称量称重船上计算的花生酱量。然后,将其融化在温水烧杯上,并将计算的粉碎药物量混合到融化的黄油中。冷却后,将花生酱药物混合成霉菌。

以类似的方式单独用花生酱准备安慰剂颗粒。将霉菌冷冻在80摄氏度,让花生酱硬化,直到使用。准备标准鼠笼,内衬高度吸水的纸床上用品和浓缩物,包括纸巾和住房圆顶。

每个笼子里放一只老鼠。在笼子里提供小食和水,让老鼠适应房屋大约三天。在开始训练之前,让老鼠禁食24小时。

第二天,将安慰剂花生酱颗粒放在离底座约1.5英寸的笼子壁上。由于新奇,小鼠在试验的第一天食用花生酱颗粒可能需要大约一个小时。与对照组相比,在花生酱中长期产下利佩里酮14天有助于显著提高每日食物摄入量,并增加C57黑6只雌性小鼠的体重。

与花生酱的自产相比,同一剂量的利佩里酮的腹内分娩对食物摄入量或体重增加没有如此强健的影响。在执行此协议时,必须与整个研究中食物摄入量、体重和药物管理时间的测量精度保持一致。这项技术的未来应用包括研究在昼夜节律和代谢健康的背景下,药物输送的时间对食物摄入量和体重增加。

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