Combined vitamin D3/retinoic acid induction of human promyelocytic cell lines: enhanced phagocytic cell maturation and hybrid granulomonocytic phenotype

Department of Hematology and Oncology, Istituto Superiore di Sanit#{224}, Viale Regina Elena, 299, 00161 Rome, Italy lR. M., U. I., I. B., P. S., E. T., C. P.1; Thomas Jefferson Cancer Institute, Thomas Jefferson University, Philadelphia, Pennsylvania 19107-5541 IC. P.1; and Department of Microbiology, Institute for Clinical Medicine III, IV), University “La Sapienza,” 00161 Rome, Italy lR. P., G. M., A. C.l