A composition of medicinal plants with an enhanced ability to suppress microsomal lipid peroxidation and a protective activity against carbon tetrachloride-induced hepatotoxicity

Araylim N. Aralbaeva, Aigul T. Mamataeva, Nazgul I. Zhaparkulova, Raisa S. Utegalieva, Marina Khanin, Michael Danilenko, Maira K. Murzakhmetova

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

Treatment of liver injury induced by various toxicants represents a serious clinical challenge. Here, we utilized the ability of natural agents to inhibit microsomal lipid peroxidation (LPO) as the in-vitro screening paradigm for selecting efficacious tissue-protective combinations of cooperatively acting medicinal plants. Based on screening of 70 water-ethanol extracts obtained from different parts of 65 plants we prepared a highly active phytocomposition (PC-1) containing oregano (Origanum vulgare), wild thyme (Thymus serpyllum) and coltsfoot (Tussilago farfara) aerial parts, valerian (Valeriana officinalis) leaves and little-leaf linden (Tilia cordata) flowers. PC-1 extract exhibited the strongest anti-PLO and antihemolytic effects in vitro compared to those of the individual plants and other compositions tested. Using luciferase reporter assay and Western blotting in HepG2 human hepatocellular carcinoma cells, we found that PC-1 extract activated the Nrf2/antioxidant response element signaling pathway more effectively than the extracts of other phytocompositions. Importantly, oral administration of PC-1 extract (100–200 mg/kg) markedly ameliorated liver injury in rats acutely or chronically intoxicated by carbon tetrachloride. This was evidenced by improved liver histology, blood chemistry parameters, and microsomal LPO status and superoxide dismutase activity. In addition, treatment with PC-1 extract salvaged the osmotic resistance of erythrocytes in carbon tetrachloride-intoxicated rats. Collectively, these data support the strategy of in-vitro plant selection for developing efficacious tissue-protective phytocompositions.

Original languageEnglish
Pages (from-to)1283-1291
Number of pages9
JournalBiomedicine and Pharmacotherapy
Volume96
DOIs
StatePublished - 1 Dec 2017

Keywords

  • Carbon tetrachloride
  • Hepatoprotection
  • Lipid peroxidation
  • Liver injury
  • Medicinal plant extracts
  • Nrf2 signaling pathway

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