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These findings indicate that infection of human mononuclear phagocytes with L. donovani leads to impaired gamma interferon -mediated tyrosine phosphorylation and selective effects on the Jak- Stat1 pathway .
 cell type: human mononuclear phagocytes; protein: Stat1; protein: gamma interferon
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 cell type: human mononuclear phagocytes; protein: Stat1; protein: gamma interferon