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芒果(Spondias mombin Linn.)乙醇提取物的抗疟潜力、毒理学影响及气相色谱-质谱分析

Antimalarial potentials, toxicological impacts, and gas chromatography-mass spectrometric analysis of ethanol extract of Spondias mombin Linn.

作者信息

Nwankwo Nicodemus Emeka, Abonyi Obiora Emmanuel, Ezenabor Emmanuel Henry, Okolo Bartholomew Onyekachi

机构信息

Department of Biochemistry, Faculty of Biological Sciences, University of Nigeria, Nsukka, Enugu State, Nigeria.

Department of Medical Biochemistry, Enugu State University of Science and Technology College of Medicine, Enugu, Nigeria.

出版信息

Exp Parasitol. 2025 Aug;275:108984. doi: 10.1016/j.exppara.2025.108984. Epub 2025 Jun 28.

Abstract

Malaria remains a significant global health challenge, necessitating new treatment approaches. This study aimed to investigate the effects of ethanol extract from Spondias mombin leaves on parasitemia, hematological parameters, oxidative stress, liver and kidney function, and serum electrolyte levels in malaria-infected mice. The experimental mice were infected with P. berghei and treated with graded doses of Spondias mombin ethanol extract. Hematological parameters (RBC, WBC, platelet count, Hb, PCV), antioxidant enzyme activities (CAT, SOD, GPx), oxidative stress markers, liver function biomarkers (ALP, AST, ALT, total bilirubin), kidney function biomarkers (urea, creatinine, direct bilirubin), and electrolyte levels (Na, K, Cl, HCO) were measured. Different doses of the extract alongside the standard drug significantly inhibited parasite growth. The extract significantly improved hematological parameters and showed no significant effect on SOD activity. CAT activity increased at 100 mg/kg, while GPX activity was highest in controls and lowest at 200 mg/kg. MDA levels decreased significantly at 200 mg/kg. AST and ALP activities varied dose-dependently, reaching a peak at 200 mg/kg. ALT and total bilirubin levels remained stable. Direct bilirubin levels increased at 100 and 200 mg/kg, while urea and creatinine indicated renal stress at higher doses. Sodium and potassium levels decreased dose-dependently, with stable Cl and HCO levels. A total of 65 bioactive components were found following the results of the GC-MS analysis. Significant antioxidant and antimalarial properties are shown by this extract, and its steady electrolyte levels and low liver stress imply safety. To identify the precise antimalarial bioactive components and their modes of action, more investigation is required. Conclusively, ethanol extract from Spondias mombin shows promise as a malaria adjuvant treatment.

摘要

疟疾仍然是一项重大的全球健康挑战,需要新的治疗方法。本研究旨在探讨腰果树叶片乙醇提取物对疟原虫血症、血液学参数、氧化应激、肝肾功能及血清电解质水平在感染疟疾小鼠中的影响。将实验小鼠感染伯氏疟原虫,并用不同剂量的腰果树乙醇提取物进行治疗。检测血液学参数(红细胞、白细胞、血小板计数、血红蛋白、红细胞压积)、抗氧化酶活性(过氧化氢酶、超氧化物歧化酶、谷胱甘肽过氧化物酶)、氧化应激标志物、肝功能生物标志物(碱性磷酸酶、天冬氨酸转氨酶、丙氨酸转氨酶、总胆红素)、肾功能生物标志物(尿素、肌酐、直接胆红素)以及电解质水平(钠、钾、氯、碳酸氢根)。不同剂量的提取物与标准药物均能显著抑制寄生虫生长。提取物显著改善了血液学参数,且对超氧化物歧化酶活性无显著影响。过氧化氢酶活性在100mg/kg时升高,而谷胱甘肽过氧化物酶活性在对照组中最高,在200mg/kg时最低。丙二醛水平在200mg/kg时显著降低。天冬氨酸转氨酶和碱性磷酸酶活性呈剂量依赖性变化,在200mg/kg时达到峰值。丙氨酸转氨酶和总胆红素水平保持稳定。直接胆红素水平在100mg/kg和200mg/kg时升高,而尿素和肌酐在较高剂量时表明存在肾脏应激。钠和钾水平呈剂量依赖性降低,氯和碳酸氢根水平保持稳定。气相色谱 - 质谱分析结果显示共发现65种生物活性成分。该提取物具有显著的抗氧化和抗疟特性,其稳定的电解质水平和较低的肝脏应激表明其安全性。为确定确切的抗疟生物活性成分及其作用方式,还需要更多研究。总之,腰果树乙醇提取物有望作为疟疾辅助治疗药物。

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