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All Journal Biology, Medicine, & Natural Product Chemistry
Novirma Yanti
Kadiri University
Biochemistry, Genetics & Molecular Biology Medicine & Pharmacology Public Health

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Effect of Ciprofloxacin Administration on Gastric Histopathological Changes in Mice Lisa Savitri; Kharisul Ihsan; Rochmad Krissanjaya; Elfred Rinaldo Kasimo; Novirma Yanti; Mochamad Hanif Hilmi
Biology, Medicine, & Natural Product Chemistry Vol 14, No 2 (2025)
Publisher : Sunan Kalijaga State Islamic University & Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/biomedich.2025.142.873-878

Abstract

Ciprofloxacin is a fluoroquinolone antibiotic widely used in clinical and veterinary practice. While effective against a broad range of bacterial infections, several studies have reported potential adverse effects on the gastrointestinal tract, particularly the gastric mucosa. This study aimed to evaluate the histopathological changes in the gastric mucosa of mice following ciprofloxacin administration at different doses. A total of 24 male mice were randomly divided into four groups: control, low-dose ciprofloxacin, moderate-dose ciprofloxacin, and high-dose ciprofloxacin. Treatment was administered orally for 14 days. Gastric tissues were collected and examined histologically using hematoxylin-eosin staining. Histopathological analysis revealed dose-dependent mucosal alterations. The control group showed intact gastric architecture, while the low-dose group exhibited mild epithelial erosion. The moderate-dose group presented with mucosal disruption and inflammatory infiltration, and the high-dose group demonstrated severe ulceration, edema, and mucosal thinning. These findings indicate progressive gastric injury with increasing ciprofloxacin exposure. Ciprofloxacin administration induces dose-dependent gastric mucosal injury in mice, consistent with fluoroquinolone-related gastrointestinal toxicity. Caution is warranted in prolonged or high-dose therapy, and further studies are needed to explore the underlying mechanisms and potential gastroprotective interventions.
In Vitro Evaluation of the Antibacterial Properties of Lime Mistletoe (Dendrophthoe petandra (L.) Miq.) Extract Against Escherichia coli Lisa Savitri; Juan Vega Mahardika; Novirma Yanti; Syntia Tanu Juwita
Biology, Medicine, & Natural Product Chemistry Vol 14, No 2 (2025)
Publisher : Sunan Kalijaga State Islamic University & Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/biomedich.2025.142.641-644

Abstract

The increasing prevalence of antibiotic-resistant bacteria necessitates the exploration of alternative antimicrobial agents derived from natural sources. This study aimed to evaluate the in vitro antibacterial activity of lime mistletoe (Dendrophthoe petandra (L.) Miq.) extract against Escherichia coli ATCC 25922 using the disc diffusion method. Extract concentrations of 20%, 40%, 60%, 80%, and 100% were prepared alongside negative (distilled water) and positive (Cefadroxil) controls. Nutrient Agar (NA) media were inoculated with E. coli and discs impregnated with each concentration were placed on the media, followed by incubation at 37°C for 24 hours. The inhibition zones were measured to assess antibacterial activity. Results demonstrated a concentration-dependent increase in antibacterial efficacy, with inhibition zone diameters ranging from 8.3 mm at 20% extract to 20.3 mm at 100% extract concentration. The highest concentration’s inhibition zone was comparable to that of Cefadroxil (22.5 mm). No inhibition was observed in the negative control. Statistical analysis confirmed significant differences between treatment groups (p < 0.05). The antibacterial activity of lime mistletoe extract is likely due to its bioactive phytochemicals such as flavonoids and phenolics, which are known to disrupt bacterial cell membranes and inhibit microbial growth. These findings suggest that Dendrophthoe petandra extract holds potential as a natural antibacterial agent, providing an alternative to conventional antibiotics amid growing resistance issues. Further studies involving isolation of active compounds, toxicity evaluation, and in vivo testing are recommended to validate its clinical applicability.
Co-Authors Elfred Rinaldo Kasimo Juan Vega Mahardika Kharisul Ihsan Lisa Savitri Mochamad Hanif Hilmi Rochmad Krissanjaya Syntia Tanu Juwita