【摘 要】
：
Lectin,galactose-binding,soluble 1 (LGALS1) gene encodes galectin-1,an atypical secretory protein that plays an important role during myoblast proliferation and
【机 构】
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Laboratory of Molecular Biology and Animal Breeding,Key Laboratory of Agricultural Animal Genetics,B
论文部分内容阅读
Lectin,galactose-binding,soluble 1 (LGALS1) gene encodes galectin-1,an atypical secretory protein that plays an important role during myoblast proliferation and differentiation.In this study,the porcine LGALS1 gene was cloned and characterized from pig muscle.The predicted protein sequence shared a high identity with its mammalian counterparts.Reverse transcription-polymerase chain reaction revealed that porcine LGALS1 was expressed at 33 day post-coitus (dpc) and 65 dpc at a relatively high level,and then decreased to 90 dpc during fetal skeletal muscle development,suggesting that galectin-1 is a potent factor implicated in the formation of myofibers.LGALS1 was found widely expressed in all tissues and transient transfection indicated that galectin-1 locates both in cytoplasm and nucleus.Genomic sequences and analysis predicted a promoter region at approximately 1.279.1.529 kb,but dualluciferase reporter assay indicated that it has little promoter activity.
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