1849
The highly amyloidogenic 42 - residue form of Abeta ( Abeta42 ) is the first species to be deposited in both sporadic and familial AD .
 GENE: Abeta; GENE: Abeta42
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: Abeta; GENE: Abeta42