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Anticancer properties of tocotrienols: A review of cellular mechanisms and molecular targets

Montagnani Marelli, Marina ; Marzagalli, Monica ; Fontana, Fabrizio ; Raimondi, Michela ; Moretti, Roberta Manuela ; Limonta, Patrizia

Journal of cellular physiology, 2019-02, Vol.234 (2), p.1147-1164 [Periódico revisado por pares]

United States: Wiley Subscription Services, Inc

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Título:
Anticancer properties of tocotrienols: A review of cellular mechanisms and molecular targets
Autor: Montagnani Marelli, Marina ; Marzagalli, Monica ; Fontana, Fabrizio ; Raimondi, Michela ; Moretti, Roberta Manuela ; Limonta, Patrizia
Assuntos: Angiogenesis ; Animals ; Annatto ; Anticancer properties ; Antineoplastic Combined Chemotherapy Protocols - adverse effects ; Antineoplastic Combined Chemotherapy Protocols - therapeutic use ; Antioxidants ; Antitumor activity ; Antitumor agents ; Apoptosis ; Biological activity ; Cancer ; cell proliferation or apoptosis ; Cholesterol ; Clinical trials ; combination strategies ; Drug Synergism ; Epigallocatechin gallate ; Epigallocatechin-3-gallate ; Ferulic acid ; Formulations ; Humans ; In vivo methods and tests ; Inflammation ; Medical research ; Metabolism ; Metastases ; Neoplasms - drug therapy ; Neoplasms - metabolism ; Neoplasms - pathology ; Neuroprotection ; Palm oil ; Resveratrol ; Seeds ; Signal Transduction ; Statins ; Stem cells ; targeted molecular mechanisms ; Tocopherol ; Tocopherols ; tocotrienol formulations ; tocotrienols ; Tocotrienols - adverse effects ; Tocotrienols - therapeutic use ; Treatment Outcome ; Vitamin E
É parte de: Journal of cellular physiology, 2019-02, Vol.234 (2), p.1147-1164
Notas: Marina Montagnani Marelli and Monica Marzagalli have contributed equally to this work.
Present address
Department of Immuno‐Oncology, Beckman Research Institute, City of Hope National Medical Center, 1500 Duarte Road, Duarte, CA 91010‐3012.
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Descrição: Vitamin E is composed of two groups of compounds: α‐, β‐, γ‐, and δ‐tocopherols (TPs), and the corresponding unsaturated tocotrienols (TTs). TTs are found in natural sources such as red palm oil, annatto seeds, and rice bran. In the last decades, TTs (specifically, γ‐TT and δ‐TT) have gained interest due to their health benefits in chronic diseases, based on their antioxidant, neuroprotective, cholesterol‐lowering, anti‐inflammatory activities. Several in vitro and in vivo studies pointed out that TTs also exert a significant antitumor activity in a wide range of cancer cells. Specifically, TTs were shown to exert antiproliferative/proapoptotic effects and to reduce the metastatic or angiogenic properties of different cancer cells; moreover, these compounds were reported to specifically target the subpopulation of cancer stem cells, known to be deeply involved in the development of resistance to standard therapies. Interestingly, recent studies pointed out that TTs exert a synergistic antitumor effect on cancer cells when given in combination with either standard antitumor agents (i.e., chemotherapeutics, statins, “targeted” therapies) or natural compounds with anticancer activity (i.e., sesamin, epigallocatechin gallate (EGCG), resveratrol, ferulic acid). Based on these observations, different TT synthetic derivatives and formulations were recently developed and demonstrated to improve TT water solubility and to reduce TT metabolism in cancer cells, thus increasing their biological activity. These promising results, together with the safety of TT administration in healthy subjects, suggest that these compounds might represent a new chemopreventive or anticancer treatment (i.e., in combination with standard therapies) strategy. Clinical trials aimed at confirming this antitumor activity of TTs are needed. Vitamin E TTs have gained interest due to their health benefits in chronic diseases. In particular, TTs were reported to exert significant antitumor activity in a wide range of cancer cells, by counteracting cell growth or proliferation, metastasis and angiogenesis. Recent studies pointed out that TTs exert a synergistic antitumor effect on cancer cells when given in combination with either standard antitumor agents or natural compounds with anticancer activity. These results, together with the safety of TT administration in healthy subjects, suggest that these compounds might represent a new chemopreventive or anticancer treatment strategy. Clinical trials aimed at confirming this antitumor activity of TTs are needed.
Editor: United States: Wiley Subscription Services, Inc
Idioma: Inglês

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Anticancer properties of tocotrienols: A review of cellular mechanisms and molecular targets

Montagnani Marelli, Marina ; Marzagalli, Monica ; Fontana, Fabrizio ; Raimondi, Michela ; Moretti, Roberta Manuela ; Limonta, Patrizia

United States: Wiley Subscription Services, Inc

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