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Updated: Jul 17, 2026

Promoter Capture Hi-C: High-resolution, Genome-wide Profiling of Promoter Interactions
Published on: June 28, 2018
[GC-box is not a key cis-acting element in human insulin gene promoter]
Xin-Jie Niu1, Zuo-Ren Wang, Jochen Seufert
1Department of Hepatobiliary Surgery, First Hospital of Xi'an Jiaotong University, Xi'an 710061, China.
Objective:
To identify whether GC-box (-348 to -338) in human insulin gene promoter is a key cis-acting element.
Methods:
Human insulin gene promoter was sub-cloned into secreted alkaline phosphatase (SEAP) reporter plasmid. The deletion and mutation of GC-box in insulin gene promoter was performed. The activity of human insulin gene promoter was determined by evaluating the activity of SEAP in the supernatant of cell culture after the reporter plasmids were transfected in beta cell line betaTC3.
Result:
Deletion and mutation of GC box in human insulin gene promoter did not result in significant changes of the activity of the promoter in betaTC3.
Conclusion:
The GC-box is not a key cis-acting element in human insulin gene promoter.
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