Isolation of germ cells from leukemic cells

Sir, We have read with great interest the article by Geens et al.(2007), titled ‘The efficiency of magnetic-activated cellsorting and fluorescence-activated cell sorting in the decontaminationof testicular cell suspensions in cancer patients' publishedon Hum Reprod. The authors concluded that fluorescence-activated cell sorting(FACS) was neither in a murine nor in a human model sufficientto completely deplete testicular tissue of malignant cells.Specifically, in the human model only