The Traditional Medicinal Plants Cuphea calophylla , Tibouchina kingii , and Pseudelephantopus spiralis Attenuate Inflammatory and Oxidative Mediators

Evidence-based Complementary and Alternative Medicine : ECAM
Ana María Ramírez-AtehortúaOscar J Lara-Guzmán

Abstract

Aerial parts of Cuphea calophylla, Tibouchina kingii, and Pseudelephantopus spiralis have been used in Colombian traditional medicine for inflammation. However, the underlying mechanisms that could explain the anti-inflammatory actions remain unknown. This study aimed to elucidate the anti-inflammatory and cytoprotective effects of hydroalcoholic extracts from C. calophylla (HECC), T. kingii (HETK), and P. spiralis (HEPS) in LPS-stimulated THP-1 macrophages. Reactive oxygen species (ROS), nitric oxide (NO), and malondialdehyde (MDA) were monitored as inflammatory and oxidative markers. The inhibition of lipoxygenase (LOX) and cyclooxygenase (COX) activities in a cell-free system were also investigated. Antioxidant activities were determined using standard in vitro methods. All extracts inhibited the NO, ROS, and MDA levels. HETK showed the highest ROS production inhibition and the highest antioxidant values, whereas HETK and HEPS significantly decreased the cytotoxicity mediated by LPS. The release of MDA was reduced significantly by all extracts. Moreover, the catalytic activity of LOX was inhibited by HECC and HETK. HECC was a more potent reducer of COX-2 activity. All extracts effectively suppressed COX-1 activity. In summar...Continue Reading

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Citations

Sep 29, 2020·Journal of Medicinal Food·Lislaine Maria KliderJane Manfron Budel
Apr 26, 2020·Inflammopharmacology·Angel Josabad Alonso-CastroKazimierz Wrobel

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Methods Mentioned

BETA
MDA
PMA
Assay
ELISA

Software Mentioned

GraphPad Prism
GraphPad

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