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Caenorhabditis elegans: a model to study the anthelmintic effects of polyphenolic compounds on the fertility of parasitic gastrointestinal nematodes?
bioRxiv - Zoology Pub Date : 2020-09-10 , DOI: 10.1101/2020.09.09.289637
C Arroyo-Lopez

We set up a Caenorhabditis elegans model to extrapolate anthelmintic (AH) effects of commercial polyphenols to related gastrointestinal zoonotic species. We compared the practical convenience of S liquid to solid agar Nematode grown medium in daily reproduction patterns and total brood size. Solid agar resulted a highly effective, reproducibly medium, in a less costly and rapid time manner. A minimum of three replications per monomer concentration are suggested to get a robust statistical analysis. Flavonoids Quercetin and Rutin potentially decrease brood sizes and percentage of development, with the exception of 20μM concentration. Flavanols resulted heterogeneous. In a dose-dependent manner Catechin 20μM significantly decreased egg output, and egg hatching in a 15% on respect to control values. Contrary, Epigallocatechin-gallate, seems to stimulate brood sizes and egg- hatching, however, EGCG10μM decreased reproduction but with no in a significative manner. We found a nematocidal effect on the reproductive parameters of C. elegans exposed to the chalcones Phloretin and Phloridzin, and Flavones Flavone and Genistein. A significant general decrease on reproductive parameters were found, particularly significant for Genistein 20μM in the percentage of hatching respect to control. Effects of time schedule and monomer concentration were found for the Hydrolysable tannins Gallic and Tannic acid. Tannic acid showed effectiveness against egg-hatching. The spectrum of percentages of change compared to each blank resulted negative decreasing fertility values, but for GA5, associated with a net increase of larvae hatched.

中文翻译:

秀丽隐杆线虫:研究多酚类化合物对寄生性胃肠道线虫繁殖力的驱虫作用的模型吗?

我们建立了秀丽隐杆线虫模型,以推断商业多酚对相关胃肠道人畜共患病物种的驱虫(AH)效应。我们在日常繁殖方式和总育雏尺寸上比较了S液和固态琼脂线虫生长培养基的实际便利性。固体琼脂以低成本和快速的方式产生了一种高效,可重复的培养基。建议每个单体浓度至少重复三次,以进行可靠的统计分析。除20μM浓度外,类黄酮槲皮素和芦丁可能会降低亲代大小和发育百分比。黄烷醇异质。儿茶素20μM以剂量依赖的方式显着降低了产蛋量,并且相对于对照值,孵化率降低了15%。相反,表没食子儿茶素没食子酸酯,EGCG10μM似乎刺激了雏鸡的大小和孵化,但是繁殖却降低了,但没有明显的意义。我们发现线虫对线虫的生殖参数的杀线虫作用是暴露于查尔孔斯佛洛汀和Phloridzin,以及黄酮黄酮和染料木黄酮。发现生殖参数普遍显着下降,对于Genistein20μM而言,孵化率相对于对照组尤为显着。发现时间表和单体浓度对可水解单宁没食子酸和单宁酸的影响。单宁酸显示出对卵孵化的功效。与每个空白相比,变化百分比的频谱导致生育力值降低,但对于GA5,与孵化的幼虫净增加有关。EGCG10μM降低了繁殖,但没有明显的意义。我们发现线虫对线虫的生殖参数的杀线虫作用是暴露于查尔孔斯佛洛汀和Phloridzin,以及黄酮黄酮和染料木黄酮。发现生殖参数普遍显着下降,对于Genistein20μM而言,孵化率相对于对照组尤为显着。发现时间表和单体浓度对可水解单宁没食子酸和单宁酸的影响。单宁酸显示出对卵孵化的功效。与每个空白相比,变化百分比的频谱导致生育力值降低,但对于GA5,与孵化的幼虫净增加有关。EGCG10μM降低了繁殖,但没有明显的意义。我们发现线虫对线虫的生殖参数的杀线虫作用是暴露于查尔孔斯佛洛汀和Phloridzin,以及黄酮黄酮和染料木黄酮。发现生殖参数总体上显着下降,尤其是对于Genistein20μM而言,孵化率相对于对照组而言尤为显着。发现时间表和单体浓度对可水解单宁没食子酸和单宁酸的影响。单宁酸显示出对卵孵化的功效。与每个空白相比,变化百分比的频谱导致生育力值降低,但对于GA5,与孵化的幼虫净增加有关。线虫暴露于chalcones Phloretin和Phloridzin以及Flavones Flavone和Genistein。发现生殖参数普遍显着下降,对于Genistein20μM而言,孵化率相对于对照组尤为显着。发现时间表和单体浓度对可水解单宁没食子酸和单宁酸的影响。单宁酸显示出对卵孵化的功效。与每个空白相比,变化百分比的频谱导致生育力值降低,但对于GA5,与孵化的幼虫净增加有关。线虫暴露于chalcones Phloretin和Phloridzin以及Flavones Flavone和Genistein。发现生殖参数普遍显着下降,对于Genistein20μM而言,孵化率相对于对照组尤为显着。发现时间表和单体浓度对可水解单宁没食子酸和单宁酸的影响。单宁酸显示出对卵孵化的功效。与每个空白相比,变化百分比的频谱导致生育力值降低,但对于GA5,与孵化的幼虫净增加有关。发现时间表和单体浓度对可水解单宁没食子酸和单宁酸的影响。单宁酸显示出对卵孵化的功效。与每个空白相比,变化百分比的频谱导致生育力值呈负下降趋势,但对于GA5,与孵化的幼虫净增加相关。发现时间表和单体浓度对可水解单宁没食子酸和单宁酸的影响。单宁酸显示出对卵孵化的功效。与每个空白相比,变化百分比的频谱导致生育力值呈负下降趋势,但对于GA5,与孵化的幼虫净增加相关。
更新日期:2020-09-11
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