Deregulated expression of promyelocytic leukemia zinc finger protein in B-cell chronic lymphocytic leukemias does not affect cyclin A expression.

A holder changer includes a robot fixed to front or rear faces of a press, and an oblique elevator which obliquely moves a plurality of holders to a work moving level from a lower level in a direction crossing a work moving direction. A fixing portion at an end of the robot is adapted to removably hold and transport the holders for changing the holders.