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Published on: April 9, 2016
Significance of circulating hepatocyte growth factor in protein-losing enteropathy after Fontan operation
Gi Beom Kim1, Bo Sang Kwon, Eun Jung Bae
1Department of Pediatrics, Seoul National University Children's Hospital, Seoul, South Korea.
Insights
Serum hepatocyte growth factor (HGF) is elevated in patients with protein-losing enteropathy (PLE) after the Fontan operation (FO). This finding suggests HGF may contribute to the development of PLE post-FO.
Area of Science:
- Cardiology
- Gastroenterology
- Biochemistry
Background:
- Protein-losing enteropathy (PLE) is a serious complication following the Fontan operation (FO).
- The underlying mechanisms of PLE post-FO require further elucidation.
- Hepatocyte growth factor (HGF) is implicated in various physiological and pathological processes.
Purpose of the Study:
- To measure serum hepatocyte growth factor (HGF) levels in patients with PLE after Fontan operation (FO).
- To investigate the relationship between serum HGF and PLE following FO.
- To compare HGF levels in PLE patients with control groups.
Main Methods:
- Serum HGF, vascular endothelial growth factor, albumin, and stool alpha-1 antitrypsin were measured.
- Patients with PLE post-FO were compared to controls without PLE post-FO and patients with nephrotic syndrome (NS).
- Transthoracic echocardiography was performed.
Main Results:
- Serum HGF levels were significantly higher in PLE patients post-FO compared to both control groups.
- Patients with PLE post-FO exhibited lower serum albumin levels than controls without PLE.
- Elevated serum HGF correlated significantly with lower serum albumin levels.
Conclusions:
- Serum HGF levels are significantly elevated in patients experiencing protein-losing enteropathy after the Fontan operation.
- Hepatocyte growth factor may play a crucial role in the pathogenesis of protein-losing enteropathy following the Fontan operation.
Abstract:
The purpose of this study was to measure serum hepatocyte growth factor (HGF) and elucidate the relationship between HGF and protein-losing enteropathy (PLE) after Fontan operation (FO). Ten patients with PLE (mean age 15.7 ± 8.7 years) who underwent FO were enrolled. Control group 1 comprised 20 patients without PLE after FO, and control group 2 comprised 10 patients with nephrotic syndrome (NS). Serum HGF, vascular endothelial growth factor, albumin, and random stool alpha-1 antitrypsin concentration were measured. Transthoracic echocardiography was completed. Serum HGF level was significantly greater in the PLE patients (0.61 ± 0.27 ng/ml) after FO than in the two control groups (0.41 ± 0.12 ng/ml [P = 0.024] for the Fontan group without PLE and 0.26 ± 0.12 ng/ml [P = 0.002] for the patients with NS). Serum albumin of patients with PLE (2.82 ± 0.96 g/dl) showed significantly lower levels compared with those of patients without PLE after FO (4.30 ± 0.37 g/dl, P < 0.001) but significantly greater levels compared with patients with NS (1.91 ± 0.33 g/dl, P = 0.019). Patients with greater serum HGF levels showed significant correlation with lower serum albumin level (P = 0.006, r = -0.495). Because serum HGF levels were significantly greater in patients with PLE after FO, HGF may play a role in the development of PLE after FO.
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