15367
Pb induced an increase in MHC - II , CD86 , and lysosome - associated LAMP - 1 and LAMP - 2 surface mean expression during one doubling cycle ( 17 h ) , which was mirrored by increased beta - hexosaminidase activity .
 Chemical: Pb
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: Pb