- The t(8;9)(p22;p24) is a recurrent abnormality in chronic and acute leukemia that fuses PCM1 to JAK2. Reiter, A., Walz, C., Watmore, A., Schoch, C., Blau, I., Schlegelberger, B., Berger, U., Telford, N., Aruliah, S., Yin, J.A., Vanstraelen, D., Barker, H.F., Taylor, P.C., O'Driscoll, A., Benedetti, F., Rudolph, C., Kolb, H.J., Hochhaus, A., Hehlmann, R., Chase, A., Cross, N.C. Cancer Res. (2005)