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The National Agricultural Library is one of four national libraries of the United States, with locations in Beltsville, Maryland and Washington, D.C. It houses one of the world's largest and most accessible agricultural information collections and serves as the nexus for a national network of state land-grant and U.S. Department of Agriculture field libraries. In fiscal year 2011 (Oct 2010 through Sept 2011) NAL delivered more than 100 million direct customer service transactions.

Journal Article

مقال مجلة

Flavan-3-ols and proanthocyanidins from Limonium brasiliense inhibit the adhesion of Porphyromonas gingivalis to epithelial host cells by interaction with gingipains  [2016]

Angelo; de Oliveira Caleare; Andreas; Hensel; et al.

استعراض النص الكامل

Porphyromonas gingivalis is a pathogen strongly involved in chronic and aggressive forms of periodontitis. Natural products, mainly polyphenols, have been described for advanced treatment of periodontitis by inhibition of the bacterial adhesion of P. gingivalis to the epithelial host cells. An acetone:water extract (LBE) from the rhizomes of Limonium brasiliense (Boiss.) Kuntze was tested under in vitro conditions for potential antiadhesive effects against P. gingivalis to human KB cells and for inhibition of the proteolytic activity of gingipains, the main virulence factor of P. gingivalis. LBE≤100μg/mL had no cytotoxicity against the bacteria and did not influence the cell physiology of human epithelial KB cells. At 100μg/mL LBE reduced the adhesion of P. gingivalis to KB cells significantly by about 80%. LBE at 20μg/mL reduced the proteolytic activity of the arginin-specific Rgp gingipain by about 75%. Chemical profiling of LBE indicated the presence of gallic acid, epigallocatechin-3-O-gallate and samarangenins A and B as lead compounds. UHPLC by using MS and UV detection displays a suitable method for quality control of the extract for identification and quantification of the lead compounds.

استعراض النص الكامل

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معلومات ببليوغرافية

اللغة:
English
النوع:
Journal Article
في أجريس منذ:
2017
الناشر:
Elsevier B.V.
جميع العناوين:
" Flavan-3-ols and proanthocyanidins from Limonium brasiliense inhibit the adhesion of Porphyromonas gingivalis to epithelial host cells by interaction with gingipains "
مسائل أخرى:
" Pre-press version "

المجلة

Fitoterapia

الرقم التسلسلي المعياري الدولي (ردمد) : 0367-326X