Abstract
Background & Aims: The aim of this study was to assess IGF-1 in chronic liver diseases associated with HBV infection and describe the impact of liver status on IGF-1 variables. Methods: This cohort study included 348 subjects and conducted between December 2018 and December 2019 at El-Sahel Teaching Hospital, Cairo, Egypt. Subjects were divided into 4 groups: group I included HBV positive hepatocellular carcinoma patients “HCC” (n= 87), group II included HBV positive patients with liver cirrhosis “LC” (n = 87), group III included chronic hepatitis B (CHB) patients with neither HCC nor cirrhosis “CHB” (n = 87) and group IV of healthy volunteers as controls (n = 87). Serum IGF-1 was measured quantitatively using a commercially available enzyme immunoassay. Results: Serum levels of IGF-1 were measured in each of the 4 groups. The comparison showed marked differences in IGF1-related measures. It was found to be significantly reduced in HCC patients (32.08 ± 9.2 ng/ml), LC patients (50.6±14.1ng/ml) and CHB patients (61.4±14.3 ng/ml) in comparison to healthy subjects (140.4±49.9 ng/ml). The reduction of IGF-1 levels was also statistically significant between both HCC and LC patients and CHB patients also between HCC and LC patients. Conclusion: Serum IGF-1 levels are significantly reduced with the progression of hepatic disease in HBV patients and it may be a promising serological marker alone or in association with others for prediction of development of liver cirrhosis and HCC in chronic HBV patients.
Highlights
The growth hormone binds to its receptors in the liver and different tissues resulting in the upregulation of Insulin-like growth factor type 1 (IGF1) synthesis through stimulation of IGF-I gene transcription [9]
Subjects were divided into 4 groups: group I included HBV positive hepatocellular carcinoma patients “HCC” (n= 87), group II included HBV positive patients with liver cirrhosis “LC” (n = 87), group III included chronic hepatitis B patients with neither HCC nor cirrhosis “CHB” (n = 87) and group IV included healthy volunteers as controls (n = 87)
It was found to be significantly reduced in HCC patients (32.08 ± 9.2 ng/ml), LC patients (50.6±14.1ng/ml) and CHB patients (61.4±14.3 ng/ml) in comparison to healthy subjects (140.4±49.9 ng/ml)
Summary
It is estimated that 257 million people have chronic HBV infection, resulting in about 887,000 deaths per year [3]. In Egypt, HCC etiologies are variable with HCV and HBV infections, accounting for 63% and 13% of cases, respectively [5]. Insulin-like growth factor type 1 (IGF1) is a single-chain polypeptide hormone like insulin in structure and is important for cell proliferation and differentiation as it mediates the growth-promoting effect of growth hormone (GH) [7]. It is synthesized in the liver and secreted into the blood to act in an endocrine manner. The aim of this study was to assess IGF-1 in chronic liver diseases associated with HBV infection and describe the impact of liver status on IGF-1 variables
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