True about BCR-ABL ‘trials’ are all except:
Correct Answer: P190 has an indolent course
Description: BCR- ABL fusion is responsible for form action of Tyrosine kinase enzyme. Variant of Tyrosine kinase:- (1) 190 k Da:- seen in B-ALL (2) 210 KDa:- seen in CML (3) 230 KDa:- seen in CNL (chronic neutrophilic leukemia ) Aggressiveness of cancer based on size of Tyrosine kinase :- 190 >>>210>>230 KDa. 190 KDa seen in B-ALL :- most aggressive course B-ALL with translocation (9:22) has bad prognosis 230 KDa :- least aggressive course (indolent course)
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