Pediatric surgery international · 2020
Hepatic expression of HGF/C-met and native liver survival in biliary atresia.
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Tangtrongchitr Panicha, Poomsawat Sopee, Chongsrisawat Voranush, Honsawek Sittisak, Poovorawan Yong, Chongpison Yuda, Vejchapipat Paisarn
Аннотация
BACKGROUND: The prognosis of biliary atresia (BA) remains difficult to predict. This study evaluated the roles of hepatocyte growth factor (HGF) and its receptor (C-met) towards clinical outcome and native liver survival.
METHODS: Hepatic HGF and C-met expression were determined using immunohistochemistry from liver biopsies of 41 BA patients during Kasai operation, and 17 non-cholestatic patients. The HGF and C-met expression was visually scored as per its intensity and percentage of stained area. BA patients were classified as high- and low-HGF and C-met receptor status. Native liver survival was compared between the two groups at 3-year follow-up. Data are shown as median and range.
MAIN RESULTS: Median age of BA patients was 2 (1-6) months. Hepatic HGF and C-met staining scores of BA patients were higher than those of non-cholestatic patients (P < 0.0001). There was a correlation between HGF and C-met staining scores (spearman r = 0.77, P < 0.0001). However, there was no association between their expression and early outcome at 6 months post-op. Mean follow-up time was 68.6 months. Survival analysis revealed that native liver survival at 1 year and 3 years were 88% and 77%, respectively. Additionally, 82.6% (19/23) of patients in the low-HGF group survived with native liver, compared with 66.7% (10/15) of those in high-HGF group (P = 0.436). For C-met expression, 78.6% (22/28) of low-score and 70% (7/10) of high score groups survived with native liver (P = 0.673).
CONCLUSIONS: Strong expression of hepatic HGF and its receptor in BA patients was demonstrated. However, the expression was not associated with the early outcome and native liver survival. These results suggest that HGF involved in the liver pathology of BA but its expression cannot be used as a prognostic indicator. Small sample size of patients was a main limitation. Further studies are warranted to validate our findings.
METHODS: Hepatic HGF and C-met expression were determined using immunohistochemistry from liver biopsies of 41 BA patients during Kasai operation, and 17 non-cholestatic patients. The HGF and C-met expression was visually scored as per its intensity and percentage of stained area. BA patients were classified as high- and low-HGF and C-met receptor status. Native liver survival was compared between the two groups at 3-year follow-up. Data are shown as median and range.
MAIN RESULTS: Median age of BA patients was 2 (1-6) months. Hepatic HGF and C-met staining scores of BA patients were higher than those of non-cholestatic patients (P < 0.0001). There was a correlation between HGF and C-met staining scores (spearman r = 0.77, P < 0.0001). However, there was no association between their expression and early outcome at 6 months post-op. Mean follow-up time was 68.6 months. Survival analysis revealed that native liver survival at 1 year and 3 years were 88% and 77%, respectively. Additionally, 82.6% (19/23) of patients in the low-HGF group survived with native liver, compared with 66.7% (10/15) of those in high-HGF group (P = 0.436). For C-met expression, 78.6% (22/28) of low-score and 70% (7/10) of high score groups survived with native liver (P = 0.673).
CONCLUSIONS: Strong expression of hepatic HGF and its receptor in BA patients was demonstrated. However, the expression was not associated with the early outcome and native liver survival. These results suggest that HGF involved in the liver pathology of BA but its expression cannot be used as a prognostic indicator. Small sample size of patients was a main limitation. Further studies are warranted to validate our findings.