Human basophils, however, has earlier been found to convert exogenous 14,15-leukotriene A4 to 14,15-leukotriene C4 (33)14(R),15(s)-DHETE Sachs-Olsen C, Sanak M, Lang AM, Gielicz A, Mowinckel P, Lødrup Carlsen KC, Carlsen KH, Szczeklik A (2010).
Porén, atopárase anteriormente que os basófilos humanos converten o 14,15-leucotrieno A4 exóxeno a 14,15-leucotrieno C4 (33)14(R),15(s)-DHETE  Sachs-Olsen C, Sanak M, Lang AM, Gielicz A, Mowinckel P, Lødrup Carlsen KC, Carlsen KH, Szczeklik A (2010).