Most heart attacks happen when a clot in the coronary artery blocks the supply of blood and oxygen to the heart. Often this leads to an irregular heartbeat-called an arrhythmia-that causes a severe decrease in the pumping function of the heart.
The abnormal FIG-ROS fusion protein has constitutively active kinase activity that causes oncogenic transformation (a transformation from normal cells to cancer cells). Chromosomal inversion s: reversing the orientation of a chromosomal segment.
Best Answer: Oncogenetics. A new emerging field of cancer.The belief that a neoplastic cell develops from a normal progenitor due to structural changes in DNA has been a fundamental basis of the study of the molecular biology of cancer.