Keywords: mesenchymal stem cell, hepatic fibrosis, cirrhosis, thi

Keywords: mesenchymal stem cell, hepatic fibrosis, cirrhosis, thioacetamide, rat model Disclosures: The following people have nothing this website to disclose: Moon Young Kim, Soon Koo Baik, Mee-Yon Cho, Youn Zoo Cho, Won Ki Hong, Hye Won Hwang, Jin Hyung Lee, Myeong Hun Chae, Seung Yong Shin, Jung Min Kim, Sang Ok Kwon, Dong Joon Kim, Ki Tae Suk, Gab Jin Cheon, Young Don Kim, Dae Hee Choi BACKGROUND: Inflammation plays a key role in the patho-genesis of non-alcoholic steatohepatitis

(NASH). Fibrogenesis which is a key event in the development of NASH is closely associated with inflammatory cytokines. AIM: The aim of this study was to assess the relationship between inflammatory cytokines and grade of fibrosis represented by percent collagen as measured by computer assisted morphometry. METHODS: After informed consent, liver biopsy specimen,

clinical data and serum were collected. Biopsies were stained with either H&E, Masson trichrome, orsirius red by standard histochemical methods. H&E and Masson stained slides were assessed by a single hepatopathologist for NAFLD diagnosis. Sirius red stains were scanned using an Aperio XT to produce digital images. An Aperio positive pixel count algorithm was then used to determine the fraction of all pixels that were stained red to indicate collagen. Patient serum was assessed for select cytokine concentrations using a Bio-Plex Pro Human Cytokine 17-plex assay (Bio-Rad) run on a Bio-Plex 200 (Bio-Rad). why RESULTS: Of the 39 patients included in this study, check details 66.7% were female and 81% were Caucasian. Twenty three patients (59%) were classified histologically as NASH. Percent collagen significantly correlated with histological assessment of the degrees of portal fibrosis (r=0.58, p<0.001), bridging fibrosis (r=0.45, p<0.01), cirrhosis (r=0.41, p<0.05) and glycogenated nuclei (r=0.34, p<0.05). Percent collagen also revealed modest but significant correlations with circulating concentrations of CCL2 (r=0.48, p<0.01), and IL7 (r=0.42, p<0.05). CONCLUSIONS:

Although expression of circulating and tissue-specific IL7 and CCL2 has been associated with hepatic fibrosis, this study positively correlates circulating concentrations of these cytokines with an accurate assessment of hepatic collagen deposition. More research will be required to elucidate the role of these cytokines in fibrosis. Disclosures: Zachary D. Goodman – Grant/Research Support: Gilead Sciences, Fibrogen, Galectin Therapeutics, Merck, Vertex Zobair M. Younossi – Advisory Committees or Review Panels: Merck, Vertex, Tibotec/J and J; Consulting: Gilead Sciences The following people have nothing to disclose: Heshaam M. Mir, J. Michael Estep, Fanny Monge, Munkhzul Otgonsuren, Elzafir Elsheikh, Sharon L. Hunt “
“Hepatitis B virus (HBV) is one of the most widely distributed viruses that infect humankind.

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