Medical Sciences. In the article “The leukemic core binding factor β-smooth muscle myosin heavy chain (CBFβ–SMMHC) chimeric protein requires both CBFβ and myosin heavy chain domains for transformation of NIH 3T3 cells” by Amitav Hajra, Pu P. Liu, Qing Wang, Christine A. Kelley, Terryl Stacy, Robert S. Adelstein, Nancy A. Speck, and Francis S. Collins, which appeared in number 6, March 14, 1995, of Proc. Natl. Acad. Sci. USA (92, 1926–1930), the authors request that the following be noted. “Recent information has come to light that experiments reported in this paper can in several instances not be verified as correct. The critical experiments are being repeated, but in the interim we regretfully wish to retract the paper.”
Robert S. Adelstein Francis S. Collins Amitav Hajra Christine A. Kelley Pu P. Liu Nancy A. Speck Terryl Stacy Qing Wang