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Creep in nitroimidazole inhibitory concentration among the Entamoeba histolytica isolates causing amoebic liver abscess and screening of andrographolide as a repurposing drug

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dc.contributor.authorSingh, Aradhana
dc.contributor.authorBanerjee, Tuhina
dc.contributor.authorShukla, Sunit Kumar
dc.contributor.authorUpadhyay, Soumya
dc.contributor.authorVerma, Ashish
dc.date.accessioned2025-01-28T09:28:50Z
dc.date.available2025-01-28T09:28:50Z
dc.date.issued2023
dc.description.abstractInfections by Entamoeba histolytica (E. histolytica) lead to considerable morbidity and mortality worldwide and treatment is reliant on a single class of drugs, nitroimidazoles. Treatment failures and intermittent reports of relapse from different parts of world indicate towards development of clinical drug resistance. In the present study, susceptibility testing of clinical isolates of E. histolytica was carried against metronidazole and tinidazole. Additionally, anti-amoebic property of active compounds of Andrographis paniculata was also evaluated. Prevalence of metronidazole resistance gene (nim) in patients attending hospital was also done to get comprehensive insight of present situation of drug resistance in E. histolytica. Mean inhibitory concentration 50 (IC50) value of E. histolytica isolates against metronidazole and tinidazole was 20.01 and 16.1��M respectively. Andrographolide showed minimum mean IC50 value (3.06��M). Significant percentage inhibition of E. histolytica isolates by andrographolide was seen as compared to metronidazole (p = 0.0495). None of E. histolytica isolates showed presence of nim gene. However, in stool samples from hospital attending population, prevalence of nimE gene was found to be 76.6% (69/90) and 62.2% (56/90) in diarrheal and non-diarrheal samples respectively. Inhibitory concentration of commonly used nitroimidazoles against clinical isolates of E. histolytica are on rise. Percentage inhibition of E. histolytica isolates by andrographolide was significantly higher than control drug metronidazole. � 2023, The Author(s).
dc.identifier.doihttps://doi.org/10.1038/s41598-023-39382-1
dc.identifier.issn20452322
dc.identifier.urihttps://dl.bhu.ac.in/ir/handle/123456789/21233
dc.language.isoen
dc.publisherNature Research
dc.titleCreep in nitroimidazole inhibitory concentration among the Entamoeba histolytica isolates causing amoebic liver abscess and screening of andrographolide as a repurposing drug
dc.typeArticle
dspace.entity.typePublication
journal.titleScientific Reports
journalvolume.identifier.volume13

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2023