1938
The alternative splicing of Brn - 3a mRNA produces two molecular forms : a longer , Bcl - 2 transactivating form , and a shorter inactive form , lacking 84 AA in the aminoterminus .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 None