PMID: 12193376Aug 24, 2002

Electroporated transgene-rescued spermatogenesis in infertile mutant mice with a sertoli cell defect

Biology of Reproduction
Kentaro YomogidaYoshitake Nishimune


The molecular basis of most human male infertility arising from spermatogenesis disruption is poorly understood because of a lack of useful investigation systems. To study the roles of the supporting Sertoli cells in mammalian spermatogenesis, we improved an electroporation technique for seminiferous tubules in vivo. Because Sertoli cells barely proliferate in mature testis, linear transgenes are not incorporated into the genome and quickly degrade. However, circular expression vector is stably expressed in Sertoli cells for a long period. By electrotransformation of a complete cDNA, we rescued defective spermatogenesis in infertile Sl(17H)/Sl(17H) mutant mice with partial dysfunction of stem cell factor in Sertoli cells. Application of this gene transfer system will facilitate both the understanding of spermatogenesis and the development of new gene therapies for human male infertility.


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Related Concepts

Cell Differentiation Process
DNA, Circular
Subfertility, Male
Luminescent Proteins
Mice, Inbred C57BL
Early Promoters, Genetic
Seminiferous Tubule Structure
Structure of Sertoli Cell
Finding of Sperm Number

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