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A fluorinated peptide with high serum- and lipid-tolerence for the delivery of siRNA drugs to treat obesity and metabolic dysfunction
Biomaterials. 2022 Apr 28;285:121541. doi: 10.1016/j.biomaterials.2022.121541. Online ahead of print.ABSTRACTObesity is the major risk factor for metabolic diseases such as fatty liver, hyperlipidemia and insulin resistance. Beige fat has been recognized as a therapeutic target considering its great potential to burn energy. Since the evolutionary discovery of RNA interference and its utilization for gene knockdown in mammalian cells, a remarkable progress has been achieved in siRNA-based therapeutics. However, efficient delivery of siRNA into adipose tissues or differentiated adipocytes is challenging due to high lipid co...
Source: Biomaterials - May 9, 2022 Category: Materials Science Authors: Jin Qiu Qianqian Fan Sainan Xu Dongmei Wang Juntong Chen Sainan Wang Tianhui Hu Xinran Ma Yiyun Cheng Lingyan Xu Source Type: research

MMP-12 siRNA improves the homeostasis of the small intestine and metabolic dysfunction in high-fat diet feeding-induced obese mice
Biomaterials. 2021 Oct 11;278:121183. doi: 10.1016/j.biomaterials.2021.121183. Online ahead of print.ABSTRACTThe changes of small intestinal homeostasis have been recognized to contribute essentially to the obese development. However, the core small intestinal regulator which mediates over-nutrient impacts on the homeostasis of the small intestines remains elusive. Here, we identify the MMP-12 as such a responsive factor in mouse small intestines. Taking advantages of the nano delivery system, we demonstrate that small intestine-specific MMP-12 knockdown alleviates high-fat diet feeding-induced metabolic disorders and impr...
Source: Biomaterials - October 15, 2021 Category: Materials Science Authors: Mingming Song Shiyao Zhang Zixuan Tao Jianning Li Yujie Shi Yonghong Xiong Wenxiang Zhang Chang Liu Siyu Chen Source Type: research