Article Publish Status: FREE
Abstract Title:

Evaluations of thyme extract effects in human normal bronchial and tracheal ephitelial cell lines and in human lung cancer cell line.

Abstract Source:

Chem Biol Interact. 2016 Jun 28. Epub 2016 Jun 28. PMID: 27369807

Abstract Author(s):

Marinelli Oliviero, Iannarelli Romilde, Morelli Maria Beatrice, Valisi Matteo, Nicotra Giovanna, Amantini Consuelo, Cardinali Claudio, Santoni Giorgio, Maggi Filippo, Nabissi Massimo

Article Affiliation:

Marinelli Oliviero


Thyme (Thymus vulgaris) is used traditionally to prepare herbal remedies possessing expectorant, mucolytic, antitussive and antispasmodic properties. The aim of the present study was to investigate the effects of a standardized hydroalcoholic extract of thyme on primary human airway (bronchial/tracheal) epithelial cell lines in a model of lung inflammation induced by LPS. In addition, the effects of thyme extract on human lung cancer cell line (H460) were analysed. Thyme extract showed significant anti-inflammatory properties by reducing the NF-κB p65 and NF-κB p52 transcription factors protein levels followed by the decrease of pro-inflammatory cytokines (IL-1 beta and IL-8), and Muc5ac secretion in human normal bronchial and tracheal epithelial cells. Moreover, the extract showed cytotoxic effects on H460 cancer cells, modulated the release of IL-1 beta, IL-8 and down-regulated NF-κB p65 and NF-κB p52 proteins. Taken together, these results substantiated the traditional uses of thyme in the treatment of respiratory diseases. Thyme extract might be an effective treatment of chronic diseases based on inflammatory processes when hypersecretion of mucus overwhelms the ciliary clearance and obstructs airways, causing morbidity and mortality. Moreover thyme extract, evaluated in H460 lung cancer cell line, demonstrated to induce cell cytotoxicity in addition to reduce inflammatory cell signals.

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