1. Natural Killer Cells in Hepatitis C Virus Infection: From Innate Immunity to Adaptive Immunity 
Tetsuo Takehara, Norio Hayashi 
Clinical Gastroenterology and Hepatology 
Volume 3, Pages S78-S81 (October 2005)
DOI: /S (05)
Copyright © 2005 American Gastroenterological Association Terms and Conditions

2. Figure 1
Regulation of NK cell functions by hepatoma cells. MICA, MHC class I–related chain A; ULBPs, UL16 binding proteins.
Clinical Gastroenterology and Hepatology 2005 3, S78-S81DOI: ( /S (05) )
Copyright © 2005 American Gastroenterological Association Terms and Conditions

3. Figure 2
Transmission of danger signals of pathogens and tumors to the immune systems. TLRs, Toll-like receptors; NKRs, NK cell receptors; PAMPs, pathogen-associated molecular patterns.
Clinical Gastroenterology and Hepatology 2005 3, S78-S81DOI: ( /S (05) )
Copyright © 2005 American Gastroenterological Association Terms and Conditions