OBJECTIVETo construct the eukaryotic expression plasmid of mouse histone lysine methyltransferase Setd7 and detect its effect on neuron development.

METHODSThe clone of mouse Setd7 was obtained and inserted into the eukaryotic expression vector pCMV-3tag-6-Flag. The plasmid was transfected into HEK 293T and identified by Western blot. Real-time PCR was used to detect the effect of Setd7 on the neuron differentiation marker gene Ngn 1 mRNA expression. Dual luciferase reporter system was used to detect the effect of Setd7 on Ngn 1 mRNA expression. Real-time PCR was used to detect the effect of Setd 7 siRNA plasmid on Ngn 1 mRNA expression.

RESULTSAn eukaryotic expression plasmid of Setd 7 was successfully constructed. Setd7 induced Ngn 1 mRNA expression and increased Ngn 1 promoter activity. Also, the knockdown of Setd 7 inhibited Ngn 1 mRNA expression.

CONCLUSIONHistone lysine methyltransferase Setd7 can enhance neuron differentiation marker gene Ngn 1 transcription.

Animals ; Basic Helix-Loop-Helix Transcription Factors ; genetics ; metabolism ; Gene Expression Regulation ; Genetic Vectors ; HEK293 Cells ; Histone-Lysine N-Methyltransferase ; genetics ; metabolism ; Humans ; Mice ; Nerve Tissue Proteins ; genetics ; metabolism ; Protein Methyltransferases ; genetics ; metabolism ; RNA, Messenger ; genetics ; Transfection

To systemically analyze the efficacy and safety of Babaodan Capsules in treatment of viral hepatitis. Databases such as CNKI,Wan Fang Date,VIP,Sino Med,PubMed,and Cochrane Library were electronically searched for relevant randomized controlled trials about Babaodan Capsules in the treatment of viral hepatitis,from database establishment to November 11,2018. Two researchers independently screened the literature and extracted data according to the inclusion criteria. GRADE system was used to evaluate evidence quality,and we used the Cochrane Rev Man 5. 3 software for Meta-analysis. Six randomized controlled trials including 520 subjects were included. Babaodan Capsules combined with conventional treatment were used as intervention measures,and the conventional treatment was used as the control measures. The results showed Babaodan Capsules combined with conventional treatment had better efficacy on reducing the total bilirubin( MD =-16. 25,95% CI[-19. 86,-12. 63]),alanine aminotransferase( MD =-26. 62,95% CI[-41. 18,-12. 06]),total bile acid( MD=-46. 02,95%CI[-49. 18,-42. 85]) and improving clinical efficiency( RR = 1. 34,95%CI[1. 13,1. 59]) than conventional treatment alone. In addition,Babaodan Capsules combined with conventional treatment can delay the progression of liver fibrosis to some extent. Qualitative analysis showed that the combined treatment regimen was more effective in relieving clinical symptoms. There was no significant difference between the two regimens in increasing albumin and prothrombin activity. Babaodan Capsules combined with conventional treatment showed no adverse reactions. In summary,for patients with viral hepatitis,the combination of Babaodan Capsules and conventional treatment has more advantages in reducing total bilirubin,alanine aminotransferase and total bile acid and is more effective in improving clinical symptoms as compared with conventional Western medicine,with no serious adverse reactions. Its clinical application with syndrome differentiation method can be considered. However,due to the limited number and quality of the original researches,more multi-center,high-quality randomized controlled trials are needed for further verification.
Antiviral Agents/therapeutic use* ; Capsules ; Drugs, Chinese Herbal/therapeutic use* ; Hepatitis/drug therapy* ; Humans ; Male ; Randomized Controlled Trials as Topic ; Treatment Outcome