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Screening for antibacterial activity of Cissampelos pareira L. root extract: an in-vitro study Girma, Abayeneh
Universa Medicina Vol. 43 No. 2 (2024)
Publisher : Faculty of Medicine, Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18051/UnivMed.2024.v43.220-228

Abstract

BackgroundThe recurrence of antibacterial infections after antibiotic treatment necessitates the investigation of alternative therapies against uropathogens. Cissampelos pareira is an Ethiopian medicinal plant that has been used for centuries by traditional healers to treat various diseases. The plant is selected on the basis of its traditional use in treating urinary tract infections by the local community. The objective of this study was to determine traditionally used anti-uropathogenic properties of C. pareira root extracts. Methods C. pareira plant roots collected from Pawe Woreda were shade-dried, powdered, and extracted using chloroform, hexane, acetone, methanol, and ethanol, respectively. The antibacterial activities with different concentrations of the crude extracts were determined using the disc diffusion assay. The minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) of the crude extracts were determined using a two-fold broth dilution method. ResultsThe antibacterial activities of the root extracts against tested organisms as shown by inhibition zone diameters ranged from 7.0±0.1 to 20.8±1.0 mm. The highest inhibition was recorded from the ethanol extract while the lowest was from the chloroform extract.  The MIC and MBC values ranged from 12.5 to 50 µg/mL and 25 to 100 µg/mL, respectively. Ethanolic and methanolic C. pareira root extracts showed the presence of antibacterial compounds (alkaloids, flavonoids, tannins, terpenoids and steroids). ConclusionThis study showed that C. pareira root serves as a potential source for developing new antibacterial drugs against bacteriuria. However, nontoxicity evaluation is recommended for the use of herbals as therapeutic agents in pharmacy.
Emerging and reemerging human fungal pathogens that affect people with weakened immune systems: a systematic review Genet, Amere; Girma, Abayeneh
Universa Medicina Vol. 43 No. 1 (2024)
Publisher : Faculty of Medicine, Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18051/UnivMed.2024.v43.102-113

Abstract

BACKGROUNDEmerging and reemerging human fungal pathogens are becoming more closely associated with morbidity and mortality, with 13 million infections and 1.5 million deaths per year. They are most often associated with critically ill and immunosuppressed patients. Therefore, this systematic review focused on emerging and reemerging human fungal pathogens that affect immunosuppressed individuals. METHODS A systematic literature search was performed using PubMed, ScienceDirect, Web of Science, Google Scholar, and other sources (Google engine and manual search using a reference list). The data were extracted in a structured format prepared using Microsoft Excel. RESULTSCryptococcus neoformans, Candida auris, Aspergillus fumigatus, Candida albicans, Nakaseomyces glabrata (Candida glabrata), Histoplasma spp., Mucorales (Rhizopus spp., Mucor spp., Lichtheimia spp., and others), Fusarium spp., Candida tropicalis, Candida parapsilosis, Pichia kudriavzevii (Candida krusei), Talaromyces marneffei and Pneumocystis jirovecii were emerging and reemerging fungal pathogens reported among critically ill and immunocompromised patients including but not limited to HIV patients and patients with infectious diseases such as influenza, COVID-19, and tuberculosis as well as chronic conditions or co-morbidities such as asthma, hepatic cirrhosis, cancer, diabetes, cystic fibrosis (CF), transplant recipients, and chronic obstructive pulmonary disease (COPD). Climate change, agricultural activities, occupational hazards, deforestation, migratory trends of people, soil dispersion, decreased immunity of patients, biofilm development, medication tolerance, and resistance to antifungal therapies are all factors that contribute to the emergence of fungal diseases. CONCLUSIONThis review makes recommendations for policymakers, public health experts, and other stakeholders to improve the response to these fungal infections, including laboratory capacity and surveillance, fostering sustainable research and innovation, implementing public health initiatives, and limiting the development of antifungal drug resistance.