The Effects of Dulse on Cervical Cancer

Posted by Chantel Martiromo  

Cervical cancer is malignant neoplasm of the cervix uteri or cervical area caused by abnormal cells growth with alternation of cells DNA. According to the American Cancer Society's, in 2014, 12,360 new cases of invasive cervical cancer will be diagnosed with the death of  4,020 patients. The risk of cervical cancer is higher in Hispanic women followed by African-Americans, Asians and Pacific Islanders, and whites(a).
Depending to the stage and grade of the cancer, if the cancer is found in the early stahe, hysterectomy may not be needed. Other while  after sugery, chemotherapy including Cisplatin, Fluorouracil (5-FU), Mitomycin, Paclitaxel, Ifosfamide, Carboplatin, Bevacizumab and radiotherapy may be necesary, but with certain side effects. Emerging suggestion of a healthy and balanced diet to improve high serum levels of antioxidants may reduce cervical neoplasia risk(b)(c)  but other suggested that the role of diet and nutrition in the etiology of cervical cancer is not yet resolved(d) and Catalan Institute of Oncology study showed statistically nonsignificant inverse associations were also observed for leafy vegetables, root vegetables, garlic and onions, citrus fruits, vitamin C, vitamin E and retinol for invasive squamous cervical cancer (ISC)(e).
Dulse is a red seaweed of genus Palmaria, belong to Family Palmariaceae that grows attached to rocks by a "holdfast" in the North Atlantic and Northwest Pacific. It is commonly used in Ireland and Atlantic Canada both as food and medicinally and is now shipped around the globe. Dulse is found in many health food stores or fish markets or can be ordered directly from local distributors.
Ryerson University study of the extracts from variety of edible seaweeds, showed a positive effect of dulse polyphenols in inhibited on cell proliferation on human cervical adenocarcinoma cell line (HeLa cells) through its antioxidant activity(18)(19). Fucoxanthin found abundantly in dulse, in the study by Henan University, showed to exert autophagy-dependent cytotoxic effect in cervical cancer cell lines HeLa cells via inhibition of Akt/mTOR signaling pathway(20).
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References
(a) Cerical cancer (Amerrican cancer society)
(b) Diet and serum micronutrients in relation to cervical neoplasia and cancer among low-income Brazilian women by Tomita LY¹, Longatto Filho A, Costa MC, Andreoli MA, Villa LL, Franco EL, Cardoso MA; Brazilian Investigation into Nutrition and Cervical Cancer Prevention (BRINCA) Study Team.(PubMed)
(c) Associations of dietary dark-green and deep-yellow vegetables and fruits with cervical intraepithelial neoplasia: modification by smoking by Tomita LY¹, Roteli-Martins CM, Villa LL, Franco EL, Cardoso MA; BRINCA Study Team.(PubMed)
(d) Diet and the risk of in situ cervical cancer among white women in the United States by Ziegler RG¹, Jones CJ, Brinton LA, Norman SA, Mallin K, Levine RS, Lehman HF, Hamman RF, Trumble AC, Rosenthal JF, et al.(PubMed)
(e) Dietary factors and in situ and invasive cervical cancer risk in the European prospective investigation into cancer and nutrition study by González CA¹, Travier N, Luján-Barroso L, Castellsagué X, Bosch FX, Roura E, Bueno-de-Mesquita HB, Palli D, Boeing H, Pala V, Sacerdote C, Tumino R, Panico S, Manjer J, Dillner J, Hallmans G, Kjellberg L, Sanchez MJ, Altzibar JM, Barricarte A, Navarro C, Rodriguez L, Allen N, Key TJ, Kaaks R, Rohrmann S, Overvad K, Olsen A, Tjønneland A, Munk C, Kjaer SK, Peeters PH, van Duijnhoven FJ, Clavel-Chapelon F, Boutron-Ruault MC, Trichopoulou A, Benetou V, Naska A, Lund E, Engeset D, Skeie G, Franceschi S, Slimani N, Rinaldi S, Riboli E.(PubMed)

(18) Antioxidant and antiproliferative activities of extracts from a variety of edible seaweeds by Yuan YV¹, Walsh NA.(PubMed) 

(19) Extracts from dulse (Palmaria palmata) are effective antioxidants and inhibitors of cell proliferation in vitro. by Yuan YV¹, Carrington MF, Walsh NA.(PubMed) 

(20) Essential role of autophagy in fucoxanthin-induced cytotoxicity to human epithelial cervical cancer HeLa cells by Hou LL¹, Gao C, Chen L, Hu GQ, Xie SQ.(PubMed)