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General Transcription Factors

General Transcription Factors

Tissue-specific transcription factors contribute to diverse cellular functions in mammals. For example, the gene for beta globin, a major component of hemoglobin, is present in all cells of the body. However, it is only expressed in red blood cells because the transcription factors that can bind to the promoter sequences of the beta globin gene are only expressed in these cells. Tissue-specific transcription factors also ensure that mutations in these factors may impair only the function of...

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Updated: Aug 1, 2025

Engineering Oncogenic Heterozygous Gain-of-Function Mutations in Human Hematopoietic Stem and Progenitor Cells

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[Stable Expression of Coagulation Factors by RPS6 Promoter].

Wen-Hui Zhang¹, Wen-Tian Wang¹, Ying Chi¹

¹State Key Laboratory of Experimental Hematology, National Clinical Research Center for Hematologic Diseases, Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College; Tianjin Key Laboratory of Gene Therapy for Blood Diseases; Key Laboratory of Gene Therapy for Blood Diseases, Chinese Academy of Medical Sciences, Tianjin 300020, China.

Zhongguo Shi Yan Xue Ye Xue Za Zhi

|April 25, 2023

Summary

This summary is machine-generated.

Researchers screened a novel RPS6 promoter for enhanced gene expression. This promoter shows high stability and viability, offering a powerful tool for hemophilia gene therapy and basic research applications.

Keywords:

RPS6 promoter coagulation factors gene therapy hemophilia

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Area of Science:

Molecular Biology
Gene Therapy
Bioinformatics

Context:

Developing effective gene expression tools is crucial for advancing basic research and therapeutic applications.
Hemophilia gene therapy requires robust and stable promoters for efficient transgene delivery and expression.

Purpose:

To screen and characterize novel promoters for enhanced exogenous gene expression.
To evaluate the efficacy of a newly identified RPS6 promoter for hemophilia gene therapy.

Summary:

Bioinformatics identified a potential RPS6 promoter, which was then constructed into a reporter gene vector.
The RPS6 promoter demonstrated comparable lentiviral packaging efficiency to the EF1 α promoter but showed higher fluorescence intensity and stability in specific cell types (MSC and HEL cells).
Functional assays confirmed that the RPS6 promoter supports robust Factor IX (FIX) expression in K562 cells, comparable to the EF1 α promoter.

Impact:

The identified RPS6 promoter serves as a potent and stable tool for exogenous gene expression.
This promoter has significant implications for improving basic research methodologies and advancing clinical gene therapy strategies for hemophilia.