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Serum lincRNA-p21 expression in primary liver diseases and liver metastatic diseases
Authors:Shun Wang  Jun Jiang  Chao Zhang  Xuhua Zhang  Chuanxin Wang
Institution:1. Department of Clinical Laboratory, The Second Hospital, Shandong University, Jinan, Shandong, China;2. Department of Neurosurgery, The Second Hospital, Shandong University, Jinan, Shandong, China;3. Department of Clinical Laboratory, The Qingdao No.9 People’s Hospital, Qingdao, Shandong, China
Abstract:

Background

LincRNA-p21 is involved in the initiation and progression of many human diseases. We aimed to investigate the expression of LincRNA-p21 in different types of liver diseases.

Methods

Serum from patients with primary liver diseases (chronic HBV or HCV infection, hepatitis B virus-related cirrhosis, hepatitis B virus-related HCC, non-HBV/HCV-related HCC, alcoholic liver disease) and HBV negative liver metastatic cancer and control healthy individuals was collected and serum lincRNA-p21 levels were determined by RT-qPCR. Clinicopathological characteristics of the patients were also recorded.

Results

Serum lincRNA-p21 levels in patients with chronic HBV infection, hepatitis B cirrhosis, hepatitis B virus-related HCC, chronic hepatitis B virus infection, non-HBV/HCV-related HCC, and alcoholic liver disease were higher than those in the control individuals (P?<?0.001, P?<?0.001, P?<?0.001, P?<?0.001, P?<?0.001 and P?=?0.002, respectively). The serum lincRNA-p21 level was not significantly different between patients with HBV negative liver metastatic cancer and the normal control (P?=?0.80). LincRNA-p21 level was negatively correlated with HBV DNA (P?=?0.02), ALT (P?=?0.01) and AST (P?=?0.01) in patients with liver disease, but not correlated with gender (P?=?0.24), age (P?=?0.11) and AFP level (P?=?0.84). Serum lincRNA-p21 in hepatocellular carcinoma patients was higher than that in liver metastatic cancer patients (P?<?0.001).

Conclusion

Serum lincRNA-p21 may serve as a potential biomarker for liver cell damage in patients with hepatitis virus infection, hepatitis B cirrhosis, HBV-related HCC and alcoholic liver disease.
Keywords:lincRNA  long intergenic non-coding RNA  lincRNA-p21  long intergenic non-coding RNA-p21  HBV  hepatitis B virus  HCV  hepatitis C virus  ALD  alcoholic liver disease  qRT-PCR  quantitative real-time polymerase chain reaction  HCC  hepatocellular carcinoma  Hepatitis B virus  Hepatitis C virus  LincRNA-p21  Hepatocellular carcinoma  Alcoholic liver disease
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