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?-Actin: Not a Suitable Internal Control of Hepatic Fibrosis Caused by Schistosoma japonicum.


ABSTRACT: Schistosomiasis japonica is a significant health problem that leads to morbidity and mortality of humans. It is characterized by hepatic granulomatous response and fibrosis caused by eggs deposition in the liver. ?-actin, a traditional housekeeping gene, is widely used as an internal control to normalize gene and protein expression. However, ?-actin expression can fluctuate upon the treatment with pharmacological agents or under some physiological and pathological conditions. In this study, we found that the expressions of both ?-actin mRNA and protein increased significantly with hepatic fibrosis formation after 6 weeks infection with Schistosoma japonicum and kept high level during the progression of hepatic fibrosis, while the levels of ?-Tubulin and glyceraldehyde-3-phosphate dehydrogenase (GAPDH) remained stable. The dynamic change of ?-actin was similar with the profibrogenic factors, including ?-SMA, Collagen I, and Collagen III. We employed immunofluorescence staining and further showed that the expression level of ?-actin was positively correlated with ?-SMA. What is more, there was a positive correlation between the level of ?-actin mRNA and the content of hydroxyproline in liver. This study provides evidences that ?-actin is variable and unsatisfied for application as an internal control in hepatic fibrosis induced by S. japonicum infection.

SUBMITTER: Zhang B 

PROVIDER: S-EPMC6365423 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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β-Actin: Not a Suitable Internal Control of Hepatic Fibrosis Caused by <i>Schistosoma japonicum</i>.

Zhang Beibei B   Wu Xiaoying X   Liu Jiahua J   Song Langui L   Song Qiuyue Q   Wang Lifu L   Yuan Dongjuan D   Wu Zhongdao Z  

Frontiers in microbiology 20190131


Schistosomiasis japonica is a significant health problem that leads to morbidity and mortality of humans. It is characterized by hepatic granulomatous response and fibrosis caused by eggs deposition in the liver. β-actin, a traditional housekeeping gene, is widely used as an internal control to normalize gene and protein expression. However, β-actin expression can fluctuate upon the treatment with pharmacological agents or under some physiological and pathological conditions. In this study, we f  ...[more]

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