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All Journal Biology, Medicine, & Natural Product Chemistry
Syntia Tanu Juwita
Kadiri University
Biochemistry, Genetics & Molecular Biology Medicine & Pharmacology Public Health

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Interleukin-1 as a Predictor Cytokine SARS-CoV: Article Review Lisa Savitri; Elfred Rinaldo Kasimo; Rochmad Krissanjaya; Syntia Tanu Juwita; Ester Lianawati Antoro; Ida Septika Wulansari
Biology, Medicine, & Natural Product Chemistry Vol 12, No 1 (2023)
Publisher : Sunan Kalijaga State Islamic University & Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/biomedich.2023.121.187-190

Abstract

Severe acute respiratory syndrome coronavirus (SARS-CoV) is an etiologic agent of respiratory disease that has a mortality rate of 10%. IL-1 actively participates in the inflammatory response to infection. SARS-CoV-2 appears to act on the activation and maturation of IL-1?, which in turn activates other proinflammatory cytokines, such as IL-6 and TNF-. Therefore, IL-1? is part of the cytokine storm generated by coronavirus infection. Elevated levels of the IL-1 receptor antagonist (IL-1Ra) in severe cases of COVID-19, and this marker have been associated with increased viral load, loss of lung function, lung damage, and risk of death. In addition, there is an increase in IL-1? levels in patients with severe COVID-19, and this is strongly associated with lung injury. IL-1 levels are associated with the virulence of the process, and significantly higher serum levels have been observed in severe symptomatic SARS-CoV-2 cases than in mild cases or in those infected with the 2003 SARS-CoV coronavirus or 2012 MERS coronavirus.
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 Ester Lianawati Antoro Ida Septika Wulansari Juan Vega Mahardika Lisa Savitri Novirma Yanti Rochmad Krissanjaya savitri, Lisa