Toxicity effect of Silver Nanoparticles to the Haemocytes and Antioxidant activity of Silkworm Bombyx mori,Physiological Entomology

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Toxicity effect of Silver Nanoparticles to the Haemocytes and Antioxidant activity of Silkworm Bombyx mori
Physiological Entomology ( IF 1.6 ) Pub Date : 2020-09-27 , DOI: 10.1111/phen.12333
Abir A. Gad ₁

Affiliation

The present study investigates the effect of AgNPs on some biological parameters and total protein amount, antioxidant potential and catalase activity of silkworm Bombyx mori. Incorporation of AgNPs (100 μg mL–1) in supplementary diets results in significant increases in the larval weight and the antioxidant potential but significantly decreases the catalase activity. The relative growth rate decreases as the high concentration (1000 μg mL–1). Exposure to AgNPs also caused violent results in alteration of haemocyte including an immediate increase in THC, may due to the release of these haemocytes either from an increase in cell divisions or from attached haemocyte populations, and decline in the percentage of prohaemocytes and increase in the percentage of two immune‐phagocytes, i.e., granulocytes and plasmatocytes. Also, AgNPs at 100 and 1000 μg mL–1 caused different levels of deformations on almost all haemocyte types and increased the antioxidant enzyme activity (catalase) in the haemolymph of treated larvae as a result of the toxic effects of treatment.

中文翻译：

银纳米颗粒对家蚕血细胞的毒性作用及抗氧化活性

本研究调查了 AgNPs 对家蚕 Bombyx mori 的一些生物学参数和总蛋白量、抗氧化潜力和过氧化氢酶活性的影响。在补充日粮中加入 AgNPs (100 μg mL-1) 会显着增加幼虫体重和抗氧化能力，但会显着降低过氧化氢酶活性。相对增长率随着高浓度（1000 μg mL-1）而降低。暴露于 AgNPs 也会导致血细胞改变的剧烈结果，包括 THC 的立即增加，这可能是由于这些血细胞从细胞分裂的增加或附着的血细胞群中释放出来，以及原血细胞百分比的下降和 THC 的增加。两种免疫吞噬细胞的百分比，即粒细胞和浆细胞。还，

更新日期：2020-09-27

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