6903
Given the critical role that LT-alpha1beta2 plays in lymphoid architecture, we speculate that LT-alpha1beta2 may be involved in HIV -associated abnormalities of the lymphoid organs .
 LT-alpha1beta2, LT-alpha1beta2
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 LT-alpha1beta2, LT-alpha1beta2