Expressional Profiling of Connexin Isoforms in the Initial Segment of the Male Reproductive Tract during Postnatal Development

Title
Expressional Profiling of Connexin Isoforms in the Initial Segment of the Male Reproductive Tract during Postnatal Development
Author(s)
최인호서희정[서희정]선찬욱[선찬욱]전용필[전용필]전태훈[전태훈]이기호[이기호]
Keywords
Initial segment; Connexin; Postnatal development; Male reproduction; Gene expression
Issue Date
201006
Publisher
한국동물번식학회
Citation
Reproductive & Developmental biology, v.34, no.2, pp.103 - 109
Abstract
Functional regulation of a specific tissue or organ is controlled by a number of ways, including local cell-cell interaction. Of several forms of cell-cell junctional complexes, gap junctions are caught a great attention due to a formation of direct linkage between neighboring cells. Gap junctions are consisted of connexin (Cx) isoforms. In the present study, we evaluated expressional profiling of Cx isoforms in the rat initial segment (IS) of the male reproductive tract at different postnatal ages. The presence and expression of 13 Cx isoform mRNAs were determined by semi-quantitative real-time PCR analyses. A total of 8 Cx isoform mRNAs were detected in the IS of the male rats during postnatal development. The highest level of Cx30.3 mRNA was found at 5 months of age, while abundance of Cx31 mRNA was the highest at 1 year of age. Expression of Cx31.1 gene was relatively consistent during the postnatal development. Fluctuation of Cx32 and 37 gene expression was observed during the postnatal period. Significant elevation of Cx40 mRNA abundance was detected at 25 days of age and older ages. Expression patterns of Cx43 and 45 genes were similar with the highest level at 2 weeks of age, followed by gradual decreases at older ages. These results indicate differential regulation on expression of Cx isoforms in the rat IS during postnatal development. A complicated regulation of gene expression of Cx isoforms in the IS at different postnatal ages is suggested.
URI
http://hdl.handle.net/YU.REPOSITORY/22162
ISSN
1738-2432
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