Chapter 7

Role of IL-6 in Gender Differences of Hepatocarcinogenesis

Hayato Nakagawa


<p>Regardless of etiology, hepatocellular carcinoma (HCC) develops much more frequently in males than in females in almost all populations. Although sex hormones and X-chromosome-linked genetic factors are considered to be important, the precise mechanism has not yet been elucidated. Recent clinical and experimental studies have revealed that interleukin-6 (IL-6) and the inflammationmediated signal transduction pathways, including nuclear factor-kappaB (NF-kB), seem to play key roles in the gender difference in hepatocarcinogenesis. In particular, a report by Naugler et al. showing that estrogen-mediated inhibition of IL-6 production by Kupffer cells explains the gender disparity in HCC development, gives considerable attention to the association between IL-6 and hepatocarcinogenesis. Investigating the factors causing a gender difference in hepatocarcinogenesis is very important to clarify the carcinogenic pathway and the therapeutic target for HCC.</p>

Total Pages: 61-69 (9)

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.What is New in Gastroenterology and Hepatology.
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.Comprehensive Practical Hepatology.
.Oesophago-gastric Surgery.