• Betaine as a determinant of postmethionine load total plasma homocysteine before and after B-Vitamin supplementation 

      Holm, Pål Ivar; Bleie, Øyvind; Ueland, Per Magne; Lien, Ernst Asbjørn; Refsum, Helga; Nordrehaug, Jan Erik; Nygård, Ottar (Peer reviewed; Journal article, 2004)
      Objective—Betaine is a substrate in the betaine– homocysteine methyltransferase reaction, converting homocysteine to methionine. There are only sparse data on plasma betaine as a determinant of the plasma total homocysteine ...
    • Plasma methionine, choline, betaine, and dimethylglycine in relation to colorectal cancer risk in the European Prospective Investigation into Cancer and Nutrition (EPIC) 

      Nitter, Mathilde Hjelle; Norgård, Benedicte Wentzel; De Vogel, Stefan; Eussen, Simone; Meyer, Klaus; Ulvik, Arve; Ueland, Per Magne; Nygård, Ottar; Vollset, Stein Emil; Bjørge, Tone; Tjønneland, Anne; Hansen, Louise; Boutron-Ruault, Marie-Christine; Racine, Antoine; Cottet, Vanessa; Kaaks, Rudolf; Kühn, Tilman; Trichopoulou, Antonia; Bamia, Christina; Naska, Androniki; Grioni, Sara; Palli, Domenico; Panico, Salvatore; Tumino, Rosario; Vineis, Paolo; Bueno-de-Mesquita, H. Bas; Van Kranen, Henk J.; Peeters, Petra H. M.; Weiderpass, Elisabete; Dorronsoro, Miren; Jakszyn, Paula; Sánchez, María-José; Argüelles, Marcial Vicente; Huerta, José-Maria; Barricarte, Aurelio; Johansson, Matthias; Ljuslinder, Ingrid; Khaw, Kay Tee; Wareham, Nicholas J.; Freisling, Heinz; Duarte-Salles, Talita; Stepien, Magdalena; Gunter, Mark J.; Riboli, Élio B. (Peer reviewed; Journal article, 2014-08)
      Background Disturbances in one carbon metabolism may contribute to carcinogenesis by affecting methylation and synthesis of DNA. Choline and its oxidation product betaine are involved in this metabolism and can serve as ...