Ovarian Cancer and Turmeric

 Posted by Chantel Martiromo

Ovarian cancer is defined as a condition of  abnormal ovarian cells growth of ovaries.  It is one of most common cancer in US, according to the statistics adapted from the American Cancer Society's publication, Cancer Facts & Figures 2010, an estimated 21,880 women in the United States will be diagnosed with ovarian cancer, causing 3,850 deaths.
Depending to the stage and grade of the cancer, chemotherapy such as cisplatin, carboplatin, paclitaxel, liposomal doxorubicin may be necessary to prevent the spread and recurrence of the cancer. Epidemiological studies focusing in vegetables and fruits in reduced risk and treatment of ovarian cancer have not been conclusive(a)(b)(c)(d), some foods have showed to inhibit the progression of cancer with little or no side effects.
Turmeric is a perennial plant in the genus Curcuma, belonging to the family Zingiberaceae, native to tropical South Asia. The herb has been used in trditional medicine as anti-oxidant, hypoglycemic, colorant, antiseptic, wound healing agent, and to treat flatulence, bloating, and appetite loss, ulcers, eczema, inflammations, etc.
Curcumin, a major chemical compound found in turmeric, inhibited the proliferation of both cisplatin-resistant (CR) and sensitive (CS) human ovarian cancer cells through cell cycle arrest, by enhancing the p53 phosphorylation and apoptosis through the activation of caspase-3 followed by PARP degradation(10). E24, a novel curcumin analog, in platinum-sensitive (IGROV1) and platinum-resistant (SK-OV-3) human ovarian cancer cells, in  time- and dose-dependently suppressed the growth of both cell lines and synergized with cisplatin to induce apoptosis(11). The Dalhousie University study also showed a positive effect of curcumin in inhibition of ovarian cancer cell lines independently to p53 but involves p38 MAPK activation, ablation of prosurvival Akt signaling(role in multiple cellular processes such as glucose metabolism, apoptosis, cell proliferation, transcription and cell migration), and reduced expression of the antiapoptotic proteins Bcl-2 and surviving((baculoviral inhibitor)(12).


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References
(a) Fruit and vegetable consumption and risk of epithelial ovarian cancer: the European Prospective Investigation into Cancer and Nutrition by Schulz M¹, Lahmann PH, Boeing H, Hoffmann K, Allen N, Key TJ, Bingham S, Wirfält E, Berglund G, Lundin E, Hallmans G, Lukanova A, Martínez Garcia C, González CA, Tormo MJ, Quirós JR, Ardanaz E, Larrañaga N, Lund E, Gram IT, Skeie G, Peeters PH, van Gils CH, Bueno-de-Mesquita HB, Büchner FL, Pasanisi P, Galasso R, Palli D, Tumino R, Vineis P, Trichopoulou A, Kalapothaki V, Trichopoulos D, Chang-Claude J, Linseisen J, Boutron-Ruault MC, Touillaud M, Clavel-Chapelon F, Olsen A, Tjønneland A, Overvad K, Tetsche M, Jenab M, Norat T, Kaaks R, Riboli E.(PubMed)
(b) Fruits and vegetables and ovarian cancer risk in a pooled analysis of 12 cohort studies by Koushik A¹, Hunter DJ, Spiegelman D, Anderson KE, Arslan AA, Beeson WL, van den Brandt PA, Buring JE, Cerhan JR, Colditz GA, Fraser GE, Freudenheim JL, Genkinger JM, Goldbohm RA, Hankinson SE, Koenig KL, Larsson SC, Leitzmann M, McCullough ML, Miller AB, Patel A, Rohan TE, Schatzkin A, Smit E, Willett WC, Wolk A, Zhang SM, Smith-Warner SA(PubMed).
(c) Epidemiologic evidence of the protective effect of fruit and vegetables on cancer risk by Riboli E¹, Norat T.(PubMed)
(d) Risk of ovarian carcinoma and consumption of vitamins A, C, and E and specific carotenoids: a prospective analysis by Fairfield KM¹, Hankinson SE, Rosner BA, Hunter DJ, Colditz GA, Willett WC.(PubMed)
(11) Multiple anticancer activities of EF24, a novel curcumin analog, on human ovarian carcinoma cells by Tan X¹, Sidell N, Mancini A, Huang RP, Shenming Wang, Horowitz IR, Liotta DC, Taylor RN, Wieser F.(PubMed)
(12) Curcumin-induced apoptosis in ovarian carcinoma cells is p53-independent and involves p38 mitogen-activated protein kinase activation and downregulation of Bcl-2 and survivin expression and Akt signaling by Watson JL¹, Greenshields A, Hill R, Hilchie A, Lee PW, Giacomantonio CA, Hoskin DW.(PubMed)