In order to better characterize the human gammac promoter and define the minimal tissue-specific promoter region , progressive 5'-deletion constructs of a segment extending 1053 base pairs upstream of the major transcription start site were generated and tested for promoter activity in various hematopoietic and nonhematopoietic cell types .
in order to better characterize the human gammac promoter and define the minimal tissue-specific promoter region , progressive 5'-deletion constructs of a segment extending 1053 base pairs upstream of the major transcription start site were generated and tested for promoter activity in various hematopoietic and nonhematopoietic cell types .
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