• Title/Summary/Keyword: Berberin

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Biological and Antifungal Activity of Herbal Plant Extracts against Candida Species (수종의 한약재 추출물의 항산화 활성 및 항진균 활성)

  • Kim, Jae-Young;Yi, Yong-Sub;Lim, Yoong-Ho
    • Microbiology and Biotechnology Letters
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    • v.37 no.1
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    • pp.42-48
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    • 2009
  • Anticandidial activity of seven herbal extracts, Taraxacum Platycarpum, Houttuyniae Herba, Lonicerae Flos, Anemarrhena Rhizome, Forsythia Fruit, Paeoniae Ratix, and Coptidis Rhizoma, were determined against five different Candida sp. by agar diffusion assay. The concentration of total phenolic compounds of seven herbal extracts ranged from 0.6 to $2.5{\mu}g/mg$. The total antioxidant activities showed that Taraxacum Platycarpum and Houttuyniae Herba were 60% in 80% ethanol extract and Lonicera Flower and Paeoniae Ratix were 70, 75%, respectively, in 100% ethanol extract. Coptidis Rhizoma extract showed antifungal activity against non-Candida albicans, C. tropicalis and C. glabrata. The MIC values of a compound separated in TLC from Coptidis Rhizoma extract were 24, and $48{\mu}g/mL$ against C. tropicalis and C. glabrata. The above compound showed the same retention time with berberin in HPLC analysis.

Simple Obesity Treatment by Single Intervention of Herbal Medicines without Ephedra Herba: A Case Report (마황을 포함하지 않은 한약처방 단일중재에 의한 단순비만 치료 : 증례보고)

  • Jeung, Chang-woon;Jeon, Sun-woo;Jeong, Sin-yeong;Jo, Hee-geun
    • The Journal of Internal Korean Medicine
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    • v.40 no.6
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    • pp.1294-1302
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    • 2019
  • Objective: Glucagon-like peptide 1 (GLP-1), one of the gut peptide hormones, has an action to induce satiety, and its effect as an anti-obesity agent is known. Recently, it has been reported that many herbal medicines have an anti-diabetic effect through inhibition of DPP-4 enzyme and inducing of GLP-1 secretion. It is therefore suggested that GLP-1 may be effective for the treatment of obesity. In this study, we report a case of male obese patients treated with herbal medicine as a GLP-1 secretagogue. Methods: In this study, the patient took a fixed prescription of herbal medicine for 10 weeks and recorded his weight at each visit. Results: This prescription produced significant weight loss (BMI loss>5%). In the follow-up period after two weeks, the trend of weight loss was observed continuously. Conclusion: This prescription can be an alternative to ephedra herba-based obesity treatment.

In Silico Docking to Explicate Interface between Plant-Originated Inhibitors and E6 Oncogenic Protein of Highly Threatening Human Papillomavirus 18

  • Kumar, Satish;Jena, Lingaraja;Sahoo, Maheswata;Kakde, Mrunmayi;Daf, Sangeeta;Varma, Ashok K.
    • Genomics & Informatics
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    • v.13 no.2
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    • pp.60-67
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    • 2015
  • The leading cause of cancer mortality globally amongst the women is due to human papillomavirus (HPV) infection. There is need to explore anti-cancerous drugs against this life-threatening infection. Traditionally, different natural compounds such as withaferin A, artemisinin, ursolic acid, ferulic acid, (-)-epigallocatechin-3-gallate, berberin, resveratrol, jaceosidin, curcumin, gingerol, indol-3-carbinol, and silymarin have been used as hopeful source of cancer treatment. These natural inhibitors have been shown to block HPV infection by different researchers. In the present study, we explored these natural compounds against E6 oncoprotein of high risk HPV18, which is known to inactivate tumor suppressor p53 protein. E6, a high throughput protein model of HPV18, was predicted to anticipate the interaction mechanism of E6 oncoprotein with these natural inhibitors using structure-based drug designing approach. Docking analysis showed the interaction of these natural inhibitors with p53 binding site of E6 protein residues 108-117 (CQKPLNPAEK) and help reinstatement of normal p53 functioning. Further, docking analysis besides helping in silico validations of natural compounds also helped elucidating the molecular mechanism of inhibition of HPV oncoproteins.