High-sensitivity C-reactive protein is an independent clinical feature of nonalcoholic steatohepatitis (NASH) and also of the severity of fibrosis in NASH - PubMed (original) (raw)

Comparative Study

doi: 10.1007/s00535-007-2060-x. Epub 2007 Jul 25.

Hironori Mawatari, Koji Fujita, Hiroshi Iida, Kyoko Yonemitsu, Shingo Kato, Hirokazu Takahashi, Hiroyuki Kirikoshi, Masahiko Inamori, Yuichi Nozaki, Yasunobu Abe, Kensuke Kubota, Satoru Saito, Tomoyuki Iwasaki, Yasuo Terauchi, Shinji Togo, Shiro Maeyama, Atsushi Nakajima

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Comparative Study

High-sensitivity C-reactive protein is an independent clinical feature of nonalcoholic steatohepatitis (NASH) and also of the severity of fibrosis in NASH

Masato Yoneda et al. J Gastroenterol. 2007 Jul.

Abstract

Background: The changes in nonalcoholic fatty liver disease (NAFLD) range over a wide spectrum, extending from steatosis to steatohepatitis (NASH). However, it has remained difficult to differentiate between NASH and nonprogressive NAFLD by clinical examination. We investigated the interrelationships between serum high-sensitivity C-reactive protein (hs-CRP) and the pathogenesis and progression of NASH.

Methods: Hs-CRP was measured in 100 patients with histologically verified NAFLD (29 with steatosis and 71 with NASH), and a real-time reverse transcriptase-polymerase chain reaction (RT-PCR) analysis was performed to measure the intrahepatic mRNA expressions of CRP and interleukin (IL)-6.

Results: The results of a multiple regression analysis revealed that in comparison with cases of steatosis, hs-CRP was significantly elevated (P = 0.0048) in cases of NASH. Furthermore, among patients with NASH, hs-CRP was significantly elevated in those with advanced fibrosis compared with that in those with mild fibrosis (P = 0.0384), even after adjustment for age, sex, presence of diabetes, body mass index, visceral fat area, subcutaneous fat area, homeostasis model assessment for insulin resistance, high-density lipoprotein cholesterol, triglyceride, and low-density lipoprotein cholesterol. The results of the RT-PCR analysis showed that intrahepatic mRNA expression of CRP, but not IL-6, was increased in patients with NASH compared with those with steatosis (P = 0.0228).

Conclusions: This is the first report to demonstrate consistent and profound elevation of hs-CRP in cases of NASH compared with in cases of simple nonprogressive steatosis. Our results suggest that hs-CRP may be a clinical feature that not only distinguishes NASH from simple nonprogressive steatosis but also indicates the severity of hepatic fibrosis in cases of NASH.

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