Mensink RP, van Houwelingen AC, Kromhout D, Hornstra G. A vitamin E concentrate rich in tocotrienols had no effect on serum lipids, lipoproteins, or platelet function in men with mildly elevated serum lipid concentrations. Am J Clin Nutr 1999;69:213-9.
Qureshi AA, Qureshi N, Wright JJ, et al. Lowering of serum cholesterol in hypercholesterolemic humans by tocotrienols (palmvitee). Am J Clin Nutr 1991;53:1021S-6S.
Qureshi AA, Bradlow BA, Brace L, et al. Response of hypercholesterolemic subjects to administration of tocotrienols. Lipids 1995;30:1171-7.
Baumann LS, Spencer JS. The effects of topical vitamin E on the cosmetic appearance of scars. Dermatol Surg 1999;25:311-5.
Nesaretnam K, Ambra R, Selvaduray KR, et al. Tocotrienol-rich fraction from palm oil affects gene expression in tumors resulting from MCF-7 cell inoculation in athymic mice. Lipids 2004;39:459-67.
Nesaretnam K, Ambra R, Selvaduray KR, et al. Tocotrienol-rich fraction from palm oil and gene expression in human breast cancer cells. Ann N Y Acad Sci 2004;1031:143-57.
Agarwal MK, Agarwal ML, Athar M, Gupta S. Tocotrienol-rich fraction of palm oil activates p53, modulates Bax/Bcl2 ratio and induces apoptosis independent of cell cycle association. Cell Cycle 2004;3;205-11.
Schaffer, S., Muller, W. E., and Eckert, G. P. Tocotrienols: constitutional effects in aging and disease. J Nutr 2005;135(2):151-154.
Nesaretnam, K., Stephen, R., Dils, R., and Darbre, P. Tocotrienols inhibit the growth of human breast cancer cells irrespective of estrogen receptor status. Lipids 1998;33(5):461-469.
Sen, C. K., Khanna, S., and Roy, S. Tocotrienol: the natural vitamin E to defend the nervous system? Ann N Y Acad Sci 2004;1031:127-142.
Das, S., Nesaretnam, K., and Das, D. K. Tocotrienols in cardioprotection. Vitam Horm 2007;76:419-433.
van Haaften, R. I., Haenen, G. R., Evelo, C. T., and Bast, A. Tocotrienols inhibit human glutathione S-transferase P1-1. IUBMB Life 2002;54(2):81-84.
Suarna, C., Hood, R. L., Dean, R. T., and Stocker, R. Comparative antioxidant activity of tocotrienols and other natural lipid-soluble antioxidants in a homogeneous system, and in rat and human lipoproteins. Biochim Biophys Acta 1993;1166(2-3):163-170.
Chao, J. T., Gapor, A., and Theriault, A. Inhibitory effect of delta-tocotrienol, a HMG CoA reductase inhibitor, on monocyte-endothelial cell adhesion. J Nutr Sci Vitaminol (Tokyo) 2002;48(5):332-337.
O'Byrne, D., Grundy, S., Packer, L., Devaraj, S., Baldenius, K., Hoppe, P. P., Kraemer, K., Jialal, I., and Traber, M. G. Studies of LDL oxidation following alpha-, gamma-, or delta-tocotrienyl acetate supplementation of hypercholesterolemic humans. Free Radic Biol Med 2000;29(9):834-845.
Parker, R. A., Pearce, B. C., Clark, R. W., Gordon, D. A., and Wright, J. J. Tocotrienols regulate cholesterol production in mammalian cells by post-transcriptional suppression of 3-hydroxy-3-methylglutaryl-coenzyme A reductase. J Biol Chem 1993;268(15):11230-11238.
Song, B. L. and DeBose-Boyd, R. A. Insig-dependent ubiquitination and degradation of 3-hydroxy-3-methylglutaryl coenzyme a reductase stimulated by delta- and gamma-tocotrienols. J Biol Chem 2006;281(35):25054-25061.
Guthrie, N., Gapor, A., Chambers, A. F., and Carroll, K. K. Inhibition of proliferation of estrogen receptor-negative MDA-MB-435 and -positive MCF-7 human breast cancer cells by palm oil tocotrienols and tamoxifen, alone and in combination. J Nutr 1997;127(3):544S-548S.
Wada, S., Satomi, Y., Murakoshi, M., Noguchi, N., Yoshikawa, T., and Nishino, H. Tumor suppressive effects of tocotrienol in vivo and in vitro. Cancer Lett 2005;229(2):181-191.
Naguib, Y., Hari, S. P., Passwater, R., Jr., and Huang, D. Antioxidant activities of natural vitamin E formulations. J Nutr Sci Vitaminol (Tokyo) 2003;49(4):217-220.
Fuchs, J., Weber, S., Podda, M., Groth, N., Herrling, T., Packer, L., and Kaufmann, R. HPLC analysis of vitamin E isoforms in human epidermis: correlation with minimal erythema dose and free radical scavenging activity. Free Radic Biol Med 2003;34(3):330-336.
Weng-Yew, W., Selvaduray, K. R., Ming, C. H., and Nesaretnam, K. Suppression of tumor growth by palm tocotrienols via the attenuation of angiogenesis. Nutr Cancer 2009;61(3):367-373.
Hussein, D. and Mo, H. d-o-tocotrienol-mediated suppression of the proliferation of human PANC-1, MIA PaCa-2, and BxPC-3 pancreatic carcinoma cells. Pancreas 2009;38(4):e124-e136.
Elangovan, S., Hsieh, T. C., and Wu, J. M. Growth inhibition of human MDA-mB-231 breast cancer cells by delta-tocotrienol is associated with loss of cyclin D1/CDK4 expression and accompanying changes in the state of phosphorylation of the retinoblastoma tumor suppressor gene product. Anticancer Res 2008;28(5A):2641-2647.
Sun, W., Wang, Q., Chen, B., Liu, J., Liu, H., and Xu, W. Gamma-tocotrienol-induced apoptosis in human gastric cancer SGC-7901 cells is associated with a suppression in mitogen-activated protein kinase signalling. Br J Nutr 2008;99(6):1247-1254.
Ahn, K. S., Sethi, G., Krishnan, K., and Aggarwal, B. B. Gamma-tocotrienol inhibits nuclear factor-kappaB signaling pathway through inhibition of receptor-interacting protein and TAK1 leading to suppression of antiapoptotic gene products and potentiation of apoptosis. J Biol Chem 2007;282(1):809-820.
Nesaretnam, K., Guthrie, N., Chambers, A. F., and Carroll, K. K. Effect of tocotrienols on the growth of a human breast cancer cell line in culture. Lipids 1995;30(12):1139-1143.
Yu, W., Simmons-Menchaca, M., Gapor, A., Sanders, B. G., and Kline, K. Induction of apoptosis in human breast cancer cells by tocopherols and tocotrienols. Nutr Cancer 1999;33(1):26-32.
Nesaretnam, K., Dorasamy, S., and Darbre, P. D. Tocotrienols inhibit growth of ZR-75-1 breast cancer cells. Int J Food Sci Nutr 2000;51 Suppl:S95-103.
Takahashi, K. and Loo, G. Disruption of mitochondria during tocotrienol-induced apoptosis in MDA-MB-231 human breast cancer cells. Biochem Pharmacol 2004;67(2):315-324.
Sylvester, P. W., Nachnani, A., Shah, S., and Briski, K. P. Role of GTP-binding proteins in reversing the antiproliferative effects of tocotrienols in preneoplastic mammary epithelial cells. Asia Pac J Clin Nutr 2002;11 Suppl 7:S452-S459.
Goh, S. H., Hew, N. F., Norhanom, A. W., and Yadav, M. Inhibition of tumour promotion by various palm-oil tocotrienols. Int J Cancer 1994;57(4):529-531.
Naito, Y., Shimozawa, M., Kuroda, M., Nakabe, N., Manabe, H., Katada, K., Kokura, S., Ichikawa, H., Yoshida, N., Noguchi, N., and Yoshikawa, T. Tocotrienols reduce 25-hydroxycholesterol-induced monocyte-endothelial cell interaction by inhibiting the surface expression of adhesion molecules. Atherosclerosis 2005;180(1):19-25.
Zhou, C., Tabb, M. M., Sadatrafiei, A., Grun, F., and Blumberg, B. Tocotrienols activate the steroid and xenobiotic receptor, SXR, and selectively regulate expression of its target genes. Drug Metab Dispos 2004;32(10):1075-1082.
Rubin, B. Y., Anderson, S. L., and Kapas, L. Can the therapeutic efficacy of tocotrienols in neurodegenerative familial dysautonomia patients be measured clinically? Antioxid Redox Signal 2008;10(4):837-841.
Anderson, S. L., Qiu, J., and Rubin, B. Y. Tocotrienols induce IKBKAP expression: a possible therapy for familial dysautonomia. Biochem Biophys Res Commun 2003;306(1):303-309.
Hayes, K. C., Pronczuk, A., and Liang, J. S. Differences in the plasma transport and tissue concentrations of tocopherols and tocotrienols: observations in humans and hamsters. Proc Soc Exp Biol Med 1993;202(3):353-359.
Schwedhelm, E., Maas, R., Troost, R., and Boger, R. H. Clinical pharmacokinetics of antioxidants and their impact on systemic oxidative stress. Clin Pharmacokinet 2003;42(5):437-459.
Yap, S. P. and Yuen, K. H. Influence of lipolysis and droplet size on tocotrienol absorption from self-emulsifying formulations. Int J Pharm 2004;281(1-2):67-78.
Lodge, J. K., Ridlington, J., Leonard, S., Vaule, H., and Traber, M. G. Alpha- and gamma-tocotrienols are metabolized to carboxyethyl-hydroxychroman derivatives and excreted in human urine. Lipids 2001;36(1):43-48.
Sontag, T. J. and Parker, R. S. Influence of major structural features of tocopherols and tocotrienols on their omega-oxidation by tocopherol-omega-hydroxylase. J Lipid Res 2007;48(5):1090-1098.
Fairus, S., Nor, R. M., Cheng, H. M., and Sundram, K. Postprandial metabolic fate of tocotrienol-rich vitamin E differs significantly from that of alpha-tocopherol. Am J Clin Nutr 2006;84(4):835-842.
Khosla, P., Patel, V., Whinter, J. M., Khanna, S., Rakhkovskaya, M., Roy, S., and Sen, C. K. Postprandial levels of the natural vitamin E tocotrienol in human circulation. Antioxid Redox Signal 2006;8(5-6):1059-1068.
Qureshi, A. A., Sami, S. A., Salser, W. A., and Khan, F. A. Dose-dependent suppression of serum cholesterol by tocotrienol-rich fraction (TRF25) of rice bran in hypercholesterolemic humans. Atherosclerosis 2002;161(1):199-207.
Aggarwal BB, Sundaram C, Prasad S, Kannappan R. Tocotrienols, the vitamin E of the 21st century: Its potential against cancer and other chronic diseases. Biochem Pharmacol 2010;80(11):1613-1631.
Choudhury, N., Tan, L., and Truswell, A. S. Comparison of palmolein and olive oil: effects on plasma lipids and vitamin E in young adults. Am J Clin Nutr 1995;61(5):1043-1051.
Mustad, V. A., Smith, C. A., Ruey, P. P., Edens, N. K., and DeMichele, S. J. Supplementation with 3 compositionally different tocotrienol supplements does not improve cardiovascular disease risk factors in men and women with hypercholesterolemia. Am J Clin Nutr 2002;76(6):1237-1243.
Baliarsingh, S., Beg, Z. H., and Ahmad, J. The therapeutic impacts of tocotrienols in type 2 diabetic patients with hyperlipidemia. Atherosclerosis 2005;182(2):367-374.
Shen CL, Wang S, Yang S, et al. A 12-week evaluation of annatto tocotrienol supplementation for postmenopausal women: safety, quality of life, body composition, physical activity, and nutrient intake. BMC Complement Altern Med. 2018 Jun 28;18(1):198.
Mahipal A, Klapman J, Vignesh S, et al. Pharmacokinetics and safety of vitamin E d-tocotrienol after single and multiple doses in healthy subjects with measurement of vitamin E metabolites. Cancer Chemother Pharmacol. 2016 Jul;78(1):157-65. Epub 2016 Jun 8.
Meganathan P, Jabir RS, Fuang HG, et al. A new formulation of Gamma Delta Tocotrienol has superior bioavailability compared to existing Tocotrienol-Rich Fraction in healthy human subjects. Sci Rep. 2015 Sep 1;5:13550.
Schuchardt JP, Heine S, Hahn A. A combination of palm oil tocotrienols and citrus peel polymethoxylated flavones does not influence elevated LDL cholesterol and high-sensitivity C-reactive protein levels. Eur J Clin Nutr. 2015 Nov;69(11):1209-14. Epub 2015 Apr 1.
Magosso E, Ansari MA, Gopalan Y, et al. Tocotrienols for normalisation of hepatic echogenic response in nonalcoholic fatty liver: a randomised placebo-controlled clinical trial. Nutr J. 2013 Dec 27;12(1):166.
Patel V, Rink C, Gordillo GM, et al. Oral tocotrienols are transported to human tissues and delay the progression of the model for end-stage liver disease score in patients. J Nutr. 2012 Mar;142(3):513-9. Epub 2012 Feb 1.
Nesaretnam K, Selvaduray KR, Abdul Razak G, Veerasenan SD, Gomez PA. Effectiveness of tocotrienol-rich fraction combined with tamoxifen in the management of women with early breast cancer: a pilot clinical trial. Breast Cancer Res. 2010;12(5):R81. Epub 2010 Oct 8.
Khoo TL, Halim AS, Zakaria Z, Mat Saad AZ, Wu LY, Lau HY. A prospective, randomised, double-blinded trial to study the efficacy of topical tocotrienol in the prevention of hypertrophic scars. J Plast Reconstr Aesthet Surg. 2011 Jun;64(6):e137-45. Epub 2010 Sep 24.
Cheishvili D, Maayan C, Holzer N, et al. Tocotrienol Treatment in Familial Dysautonomia: Open-Label Pilot Study. J Mol Neurosci. 2016 Jul;59(3):382-91. Epub 2016 Apr 30.
Tan GCJ, Tan SMQ, Phang SCW, et al. Tocotrienol-rich vitamin E improves diabetic nephropathy and persists 6-9 months after washout: a phase IIa randomized controlled trial. Ther Adv Endocrinol Metab. 2019;10:2042018819895462.
Ng YT, Phang SCW, Tan GCJ, et al. The Effects of Tocotrienol-Rich Vitamin E (Tocovid) on Diabetic Neuropathy: A Phase II Randomized Controlled Trial. Nutrients. 2020;12(5):1522.
Pervez MA, Khan DA, Slehria AUR, Ijaz A. Delta-tocotrienol supplementation improves biochemical markers of hepatocellular injury and steatosis in patients with nonalcoholic fatty liver disease: A randomized, placebo-controlled trial. Complement Ther Med. 2020;52:102494.
Slivka A, Rink C, Paoletto D, Sen CK. Platelet function in stroke/transient ischemic attack patients treated with tocotrienol. FASEB J. 2020;34(9):11838-11843.
Zuo S, Wang G, Han Q, et al. The effects of tocotrienol supplementation on lipid profile: A meta-analysis of randomized controlled trials. J. Complement Ther Med. 2020;52:102450.
Sekikawa T, Kizawa Y, Li Y, Takara T. Cognitive function improvement with astaxanthin and tocotrienol intake: a randomized, double-blind, placebo-controlled study. J Clin Biochem Nutr. 2020;67(3):307-316.
Chuar PF, Ng YT, Phang SCW, et al. Tocotrienol-rich vitamin E (Tocovid) improved nerve conduction velocity in type 2 diabetes mellitus patients in a phase II double-blind, randomized controlled clinical trial. Nutrients. 2021 Oct 25;13(11):3770.
Khor BH, Tiong HC, Tan SC, et al. Effects of tocotrienols supplementation on markers of inflammation and oxidative stress: A systematic review and meta-analysis of randomized controlled trials. PLoS One. 2021 Jul 23;16(7):e0255205.
Koay YY, Tan GCJ, Phang SCW, et al. A phase IIb randomized controlled trial investigating the effects of tocotrienol-rich vitamin E on diabetic kidney disease. Nutrients. 2021 Jan 18;13(1):258.
Mahjabeen W, Khan DA, Mirza SA, Pervez MA. Effects of delta-tocotrienol supplementation on glycemic control, oxidative stress, inflammatory biomarkers and miRNA expression in type 2 diabetes mellitus: A randomized control trial. Phytother Res. 2021;35(7):3968-76.
Suleman F, Khan DA, Pervez MA, Aamir M. Effects of delta-tocotrienol supplementation on glycaemic control in individuals with prediabetes: A randomized controlled study. J Pak Med Assoc. 2022;72(1):4-7.
Fatima S, Khan DA, Aamir M, Pervez MA, Fatima F. d-Tocotrienol in Combination with Resveratrol Improves the Cardiometabolic Risk Factors and Biomarkers in Patients with Metabolic Syndrome: A Randomized Controlled Trial. Metab Syndr Relat Disord 2023;21(1):25-34.
Phang SCW, Ahmad B, Abdul Kadir K, M Palanisamy UD. Effects of Tocotrienol-Rich Fraction Supplementation in Patients with Type 2 Diabetes: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Adv Nutr 2023;14(5):1159-1169.
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