Effects of excess sugars and lipids on the growth and development of Caenorhabditis elegans
Posted on 2020-01-30 - 04:58
Abstract Background Excessive intake of carbohydrates and fats causes over-nutrition, leading to a variety of diseases and complications. Here, we characterized the effects of different types of sugar and lipids on the growth and development of Caenorhabditis elegans. Methods We measured the lifespan, reproductive capacity, and length of nematodes after sugars and lipids treatment alone and co-treatment of sugars and lipids. Furthermore, we studied the mechanisms underlying the damage caused by high-sucrose and high-stearic acid on C.elegans by using transcriptome sequencing technology. Results The results showed that a certain concentration of sugar and lipid promoted the growth and development of nematodes. However, excessive sugars and lipids shortened the lifespan and length of nematodes and destroyed their reproductive capacity. Based on the results of the orthogonal test, we selected 400 mmol/L sucrose and 500 μg/mL stearic acid to model a high-sugar and high-lipid diet for C. elegans. Conclusion High-sugar and high-lipid intake altered the expression of genes involved in biofilm synthesis, genes that catalyze the synthesis and degradation of endogenous substances, and genes involved in innate immunity, resulting in physiological damage. Furthermore, we explored the protective effect of resveratrol on high-sugar and high-lipid damage to nematodes. Resveratrol plays a role in repairing by participating in the metabolism of foreign substances and reducing cellular oxidative stress.
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Wang, Xiong; Zhang, Lin; Zhang, Lei; Wang, Wenli; Wei, Sihan; Wang, Jie; et al. (2020). Effects of excess sugars and lipids on the growth and development of Caenorhabditis elegans. figshare. Collection. https://doi.org/10.6084/m9.figshare.c.4836216.v1
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AUTHORS (8)
XW
Xiong Wang
LZ
Lin Zhang
LZ
Lei Zhang
WW
Wenli Wang
SW
Sihan Wei
JW
Jie Wang
HC
Huilian Che
YZ
Yali Zhang