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Review
. 2020 Jun 10;12(6):1739.
doi: 10.3390/nu12061739.

Anticancer Activity of Rosmarinus officinalis L.: Mechanisms of Action and Therapeutic Potentials

Affiliations
Review

Anticancer Activity of Rosmarinus officinalis L.: Mechanisms of Action and Therapeutic Potentials

Alessandro Allegra et al. Nutrients. .

Abstract

Alternative treatments for neoplastic diseases with new drugs are necessary because the clinical effectiveness of chemotherapy is often reduced by collateral effects. Several natural substances of plant origin have been demonstrated to be successful in the prevention and treatment of numerous tumors. Rosmarinus officinalis L. is a herb that is cultivated in diverse areas of the world. There is increasing attention being directed towards the pharmaceutical capacities of rosemary, utilized for its anti-inflammatory, anti-infective or anticancer action. The antitumor effect of rosemary has been related to diverse mechanisms, such as the antioxidant effect, antiangiogenic properties, epigenetic actions, regulation of the immune response and anti-inflammatory response, modification of specific metabolic pathways, and increased expression of onco-suppressor genes. In this review, we aim to report the results of preclinical studies dealing with the anticancer effects of rosemary, the molecular mechanisms related to these actions, and the interactions between rosemary and anticancer drugs. The prospect of utilizing rosemary as an agent in the treatment of different neoplastic diseases is discussed. However, although the use of rosemary in the therapy of neoplasms constitutes a fascinating field of study, large and controlled studies must be conducted to definitively clarify the real impact of this substance in clinical practice.

Keywords: Rosmarinus officinalis L.; cancer; carnosic acid; carnosol; chemoresistance; leukemia; rosemary; synergistic effect.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Rosemary effects on various types of cancers (red arrows: inhibition/blockade; green arrows: promotion): (a) stopping the activation of carcinogens, (b) increasing antioxidant enzyme activities, (c) reducing tumour-stimulating inflammation, (d) decreasing cell growth, (e) stimulating programmed cell death, (f) promoting the reduction of tumour angiogenesis and invasion.

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