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EVALUATION OF THE ANTIVIRAL ACTIVITY OF Ballota glandulosissima Hub.-Mor. & Patzak EXTRACTS AGAINST RESPIRATORY SYNCYTIAL VIRUS (RSV)

Pages
121–127
Publication Date
2019-10-15
DOI
—
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The results showed that both the methanol (EC50 = 12.45 µg/mL; SI = 24.84) and aqueous extracts (EC50 = 19.12 µg/mL; SI = 24.59) of B. glandulosissima had almost the same strong anti-RSV activity as well as ribavirin, used as a positive control against RSV (EC50 = 3.25 µg/mL, SI = 34.89).

📌 3 Key Takeaways

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Objective & Hypothesis:In order to find new and effective antiviral agents from natural sources, the antiviral properties of methanol and aqueous extracts obtained from Ballota glandulosissima Hub.-Mor. & Patzak were evaluated by Colorimetric XTT test against Respiratory syncytial virus (RSV).
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Key Findings & Data:The concentration required to provide 50% protection against cytopathic effects caused by the virus was defined as EC50, the selectivity index (SI) was determined from the ratio of CC50 (50 % Cytotoxic concentration) to EC50.
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Conclusion & Impact:The results showed that both the methanol (EC50 = 12.45 µg/mL; SI = 24.84) and aqueous extracts (EC50 = 19.12 µg/mL; SI = 24.59) of B. glandulosissima had almost the same strong anti-RSV activity as well as ribavirin, used as a positive control against RSV (EC50 = 3.25 µg/mL, SI = 34.89).
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Anahtar Kelimeler Ballota glandulosissima · methanol and aqueous extracts · antiviral activity

Abstract

In order to find new and effective antiviral agents from natural sources, the antiviral properties of methanol and aqueous extracts obtained from Ballota glandulosissima Hub.-Mor. & Patzak were evaluated by Colorimetric XTT test against Respiratory syncytial virus (RSV). The concentration required to provide 50% protection against cytopathic effects caused by the virus was defined as EC50, the selectivity index (SI) was determined from the ratio of CC50 (50 % Cytotoxic concentration) to EC50. The results showed that both the methanol (EC50 = 12.45 µg/mL; SI = 24.84) and aqueous extracts (EC50 = 19.12 µg/mL; SI = 24.59) of B. glandulosissima had almost the same strong anti-RSV activity as well as ribavirin, used as a positive control against RSV (EC50 = 3.25 µg/mL, SI = 34.89). In conclusion, we can say that B. glandulosissima extracts are worthy of further studies in order to develop an alternative to the drugs used in clinical practice against RSV. This is the first report on the anti-RSV activity of B. glandulosissima.

Özet

Doğal kaynaklardan yeni ve etkili antiviral etkenler bulmak amacıyla yapılan bu çalışmada, Ballota glandulosissima Hub.-Mor. & Patzak’dan elde edilen metanol ve su ekstraktlarının antiviral özellikleri Respiratuvar Sinsityal Virus (RSV)’una karşı kolorimetrik XTT testi ile değerlendirilmiştir. Virüsün neden olduğu sitopatik etkilere karşı %50 koruma sağlaması için gerekli konsantrasyon EC50 olarak tanımlanmış, CC50 (%50 Sitotoksik Konsantrasyon)’nin EC50’ye oranından da seçicilik indeksi (SI) belirlenmiştir. Araştırma sonucunda, B. glandulosissima’nın hem metanol (EC50 = 12.45 µg/mL; SI = 24.84) hem de su ekstraktının (EC50 = 19.12 µg/mL; SI = 24.59) RSV’ye karşı; pozitif kontrol olarak kullanılan ribavirin (EC50 = 3.25 µg/mL, SI = 34.89)’e göre önemli sayılabilecek oranda anti-RSV aktiviteye sahip olduğu tespit edilmiştir. Sonuç olarak, B. glandulosissima ekstraktlarının, RSV’ye karşı klinikte kullanılan ilaçlara karşı bir alternatif olarak geliştirilebilmesi için; daha ileri çalışmalara layık olduğunu söyleyebiliriz. Bu çalışma, B. glandulosissima’nın anti-RSV aktivitesine yönelik ilk rapordur.

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Cite This Article

DOĞAN, H. H., DUMAN, R. (2019). EVALUATION OF THE ANTIVIRAL ACTIVITY OF Ballota glandulosissima Hub.-Mor. & Patzak EXTRACTS AGAINST RESPIRATORY SYNCYTIAL VIRUS (RSV). Trakya University Journal of Natural Sciences, 121–127. https://ajindex.com/articles/46574

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