8202
Soluble interleukin-2 receptor -alpha ( IL-2Ralpha ) has been reported to be increased in the sera of patients with advanced tuberculosis, and levels decline after therapy in accordance with improvement of radiologic findings .
 IL-2Ralpha, interleukin-2 receptor -alpha, interleukin-2 receptor
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:
 IL-2Ralpha, interleukin-2 receptor -alpha, interleukin-2 receptor