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1.
Folia Med (Plovdiv) ; 64(5): 817-823, 2022 Oct 31.
Article in English | MEDLINE | ID: mdl-36876534

ABSTRACT

INTRODUCTION: Based on traditional medicine, many countries use various plant products (fruits, leaves and other plant parts) as food supplements or in the form of tea. The use of these plant sources has been established through the years of use and the proven benefits of their ingredients to improve human health.


Subject(s)
Lycium , Humans , Fruit , Antiviral Agents , Plant Leaves , Plant Extracts , Tea
2.
Molecules ; 27(1)2021 Dec 31.
Article in English | MEDLINE | ID: mdl-35011479

ABSTRACT

This study evaluated the in vitro antineoplastic and antiviral potential and in vivo toxicity of twelve extracts with different polarity obtained from the herbaceous perennial plant Geum urbanum L. (Rosaceae). In vitro cytotoxicity was determined by ISO 10993-5/2009 on bladder cancer, (T-24 and BC-3C), liver carcinoma (HEP-G2) and normal embryonic kidney (HEK-293) cell lines. The antineoplastic activity was elucidated through assays of cell clonogenicity, apoptosis induction, nuclear factor kappa B p65 (NFκB p65) activation and total glutathione levels. Neutral red uptake study was applied for antiviral activity. The most promising G. urbanum extract was analyzed by UHPLC-HRMS. The acute in vivo toxicity analysis was carried out following OEDC 423. The ethyl acetate extract of aerial parts (EtOAc-AP) exhibited the strongest antineoplastic activity on bladder cancer cell lines (IC50 = 21.33-25.28 µg/mL) by inducing apoptosis and inhibiting NFκB p65 and cell clonogenicity. EtOAc and n-butanol extracts showed moderate antiviral activity against human adenovirus type 5 and human simplex virus type I. Seventy four secondary metabolites (gallic and ellagic acid derivatives, phenolic acids, flavonoids, etc.) were identified in EtOAc-AP by UHPLC-HRMS. This extract induced no signs of acute toxicity in liver and kidney specimens of H-albino mice in doses up to 210 mg/kg. In conclusion, our study contributes substantially to the detailed pharmacological characterization of G. urbanum, thus helping the development of health-promoting phytopreparations.


Subject(s)
Antineoplastic Agents, Phytogenic/pharmacology , Antiviral Agents/pharmacology , Geum/chemistry , Plant Extracts/pharmacology , Antineoplastic Agents, Phytogenic/chemistry , Antiviral Agents/chemistry , Cell Proliferation/drug effects , Cell Survival/drug effects , Chromatography, High Pressure Liquid , Dose-Response Relationship, Drug , HEK293 Cells , Humans , Organ Specificity/drug effects , Phytochemicals/chemistry , Phytochemicals/pharmacology , Plant Extracts/chemistry , Tandem Mass Spectrometry
3.
Folia Med (Plovdiv) ; 62(1): 172-179, 2020 03 31.
Article in English | MEDLINE | ID: mdl-32337905

ABSTRACT

INTRODUCTION: Due to the high prevalence of viral infections having no specific treatment and the constant emergence of resistant viral strains, searching for effective antiviral compounds is crucial. The present study explores in vitro the antiviral activity of ethanolic extract from aerial parts of. AIM: The aim of the current study was to evaluate antiviral activity of ethanolic extract from herbaceous plant. MATERIALS AND METHODS: The crude aqueous ethanolic extract from aerial parts of. RESULTS: The results show that the extract has the lowest toxicity on the MDBK cell line and similar cytotoxicity in Hep-2, whereas in the MDCK cells it has more than twice the highest toxicity. Testing the antiviral activity of. CONCLUSION: The crude extract from aerial parts of the medicinal plant.


Subject(s)
Enterovirus B, Human/drug effects , Herpesvirus 1, Human/drug effects , Influenza A Virus, H3N2 Subtype/drug effects , Microbial Viability/drug effects , Plant Extracts/pharmacology , Tanacetum , Animals , Antioxidants , Cell Survival/drug effects , Dogs , Epithelial Cells/drug effects , Ethanol , Humans , In Vitro Techniques , Influenza A virus/drug effects , Madin Darby Canine Kidney Cells , Plant Components, Aerial , Solvents , Thiobarbituric Acid Reactive Substances/metabolism , Virion/drug effects , Virus Replication/drug effects
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