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Πέμπτη 29 Αυγούστου 2019

Pakistan Journal of Biological Sciences - Current Issue,


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Background and Objective: Cisplatin-induced nephrotoxicity is a serious complication that restricts its utilization in cancer treatment. Rutin and alpha-lipoic acid have antioxidant effectiveness, anti-inflammatory efficacy and prevent oxidative stress. Therefore, the current study planned to investigate the potential defensive impacts of rutin and alpha-lipoic acid on cisplatin-induced renal damage in rats. Materials and Methods: Fifty-six adult male Wistar albino rats were randomly divided into seven groups. Rats of group 1: Treated with saline as the control. Group 2: Orally received rutin daily for 2 weeks. Group 3: Rats were orally administered with alpha-lipoic acid (ALA) daily for 2 weeks. Group 4: Rats were intraperitoneal (i.p.) injected with cisplatin to develop the acute renal injury. Group 5: Rats injected with cisplatin then treated orally with RT. Group 6: Rats were injected i.p., with cisplatin then treated orally with ALA. Group 7: Rats injected with cisplatin then treated orally with RT and ALA daily for 2 weeks. Results: The cisplatin administration to rats induced nephrotoxicity associated with a significant increase in serum urea, creatinine, albumin and significantly reduce haemoglobin and red blood cells count. The animal treated with cisplatin showed a significant increase in the level of renal malondialdehyde associated with reduction in the levels of glutathione-s-transferase, glutathione reductase and catalase compared to control group. Moreover, cisplatin treated group recorded significant increase in nuclear factor kappa B, IL-6 and p53 levels compared to control group. Additionally, histopathological examination showed that cisplatin-induced interstitial congestion, focal mononuclear cell inflammatory, cell infiltrate and acute tubular injury. In correlation with the cisplatin group, Rutin and alpha-lipoic acid ameliorated cisplatin-induction increase in serum urea, creatinine, albumin, oxidative stress and inflammation were observed. Moreover, rutin and alpha-lipoic acid showed an enhancement in haematological and histopathological structures. Conclusion: These results indicated that rutin and alpha-lipoic acid showed a protective effect against cisplatin-induced nephrotoxicity in rats.
Posted:
Background and Objective: The cotton leafworm, Spodoptera littoralis (Lepidoptera: Noctuidae) is the most destructive pests and causing a great loss for several vegetables and field crops. So, the present study was aimed to evaluate and compare the effects of chlorantraniliprole and chlorfluazuron on certain behavioral and biological aspects of S. littoralis at different stagesMaterials and Methods: Under laboratory conditions, the toxicity of chlorantraniliprole and chlorfluazuron against the egg masses, 2nd and 4th larval instars of S. littoralis were evaluated. The impact of tested insecticides on the feeding, oviposition of females and biological aspects of S. littoralis was also carried out. Results: Overall, chlorfluazuron was more toxic than chlorantraniliprole. According to repellency index (RI %), tested insecticides have a repulsive effect for the feeding of 2nd and 4th larval instars as well as for oviposition of females. Sublethal concentrations significantly reduced larval and pupal weight, adult survival, percent of pupation and adult emergence, female fecundity, fertility percentage, weight and protein content of ovaries. While, larval and pupal durations were increased. Conclusion: It was concluded that chlorantraniliprole and chlorfluazuron have insecticidal, behavioral and biological effects on S. littoralis stages and may be used as alternatives to conventional insecticides in IPM programs.

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