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Review
. 2019 Jun 19;24(12):2277.
doi: 10.3390/molecules24122277.

Kaempferol: A Key Emphasis to Its Anticancer Potential

Muhammad Imran  1 , Bahare Salehi  2 , Javad Sharifi-Rad  3 , Tanweer Aslam Gondal  4 , Farhan Saeed  5 , Ali Imran  6 , Muhammad Shahbaz  7 , Patrick Valere Tsouh Fokou  8 , Muhammad Umair Arshad  9 , Haroon Khan  10 , Susana G Guerreiro  11   12   13 , Natália Martins  14   15 , Leticia M Estevinho  16   17
Affiliations
Review

Kaempferol: A Key Emphasis to Its Anticancer Potential

Muhammad Imran et al. Molecules. .

Abstract

A marked decrease in human cancers, including breast cancer, bone cancer, and cervical cancer, has been linked to the consumption of vegetable and fruit, and the corresponding chemoprotective effect has been associated with the presence of several active molecules, such as kaempferol. Kaempferol is a major flavonoid aglycone found in many natural products, such as beans, bee pollen, broccoli, cabbage, capers, cauliflower, chia seeds, chives, cumin, moringa leaves, endive, fennel, and garlic. Kaempferol displays several pharmacological properties, among them antimicrobial, anti-inflammatory, antioxidant, antitumor, cardioprotective, neuroprotective, and antidiabetic activities, and is being applied in cancer chemotherapy. Specifically, kaempferol-rich food has been linked to a decrease in the risk of developing some types of cancers, including skin, liver, and colon. The mechanisms of action include apoptosis, cell cycle arrest at the G2/M phase, downregulation of epithelial-mesenchymal transition (EMT)-related markers, and phosphoinositide 3-kinase/protein kinase B signaling pathways. In this sense, this article reviews data from experimental studies that investigated the links between kaempferol and kaempferol-rich food intake and cancer prevention. Even though growing evidence supports the use of kaempferol for cancer prevention, further preclinical and clinical investigations using kaempferol or kaempferol-rich foods are of pivotal importance before any public health recommendation or formulation using kaempferol.

Keywords: anticancer; antioxidant; apoptosis; cell cycle arrest; chemoprevention; kaempferol; metastasis; pharmacodynamics; pharmacokinetics; reactive oxygen species.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Antioxidant mechanisms of action of kaempferol: The kaempferol reduces the ROS metabolism, cleavage of anti-inflammatory membranes, and disrupts their molecular mechanism as a mechanistic concern to tackle cancer-related expressions (KMF: Kaempferol; Nrf2: Nuclear factor erythroid 2-related factor 2; Keap1: Kelch-like ECH-associated protein 1; RO: Reactive oxygen species).
Figure 2
Figure 2
Anticancer role of kaempferol: Mechanistically, it can induce anticancer effects mainly through downregulation of the expressions of proteins involved in the cancer progression and formation alongside apoptosis induction, cell cycle arrest, and decreasing the expression for anti-inflammatory proteins.
See this image and copyright information in PMC

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