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Controllable Ion Channel Expression through Inducible Transient Transfection
Published on: February 17, 2017
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Ion channel gene expressions in infertile men: A case-control study
Serkan Carkci1, Ebru Onalan Etem2, Seda Ozaydin2
1Department of Urology, Faculty of Medicine, Firat University, Elazig, Turkey.
International Journal of Reproductive Biomedicine
|March 2, 2018
Summary
Ion channel gene expression in semen differs between infertile and fertile men. Aberrant expression of CatSper, Hv1, KCNU1, and TMEM16A may contribute to male infertility, impacting sperm motility and morphology.
Area of Science:
- Reproductive Biology
- Genetics
- Urology
Background:
- Infertility affects 15% of couples, with male and female factors contributing equally.
- Male infertility is a significant concern impacting reproductive health.
- Understanding the genetic basis of male infertility is crucial for developing effective treatments.
Purpose of the Study:
- To investigate the differential gene expression of specific ion channels in the semen of infertile men compared to fertile controls.
- To identify potential correlations between ion channel gene expression and sperm parameters in infertile individuals.
Main Methods:
- A cohort of 150 men undergoing infertility evaluation was categorized into five groups: asthenozoospermia, oligozoospermia, oligoasthenoteratozoospermia, teratozoospermia, and normozoospermia (control).
- Gene expression analysis was performed on semen samples for Cation Channel Spermia (CatSper) 1-4, Proton Voltage Gated Ion Channel 1 (Hv1), Potassium Channel Subfamily U1 (KCNU1), and transmembrane protein 16A (TMEM16A).
Main Results:
- Oligozoospermia group showed higher expression of CatSper1, 4, Hv1, KCNU1, and TMEM16A compared to controls.
- Asthenozoospermia and teratozoospermia groups exhibited lower expression of CatSper1, 2, 3, 4, KCNU1, and TMEM16A.
- Oligoasthenoteratozoospermia group displayed higher expression of CatSper1, 4, Hv1, and TMEM16A, but lower expression of CatSper3.
Conclusions:
- Ion channel gene expression, including CatSper, Hv1, KCNU1, and TMEM16A, is significantly altered in infertile men.
- These ion channels play a role in regulating sperm progressive motility and morphology.
- Mutations or dysregulation in these ion channels may be a contributing factor to male infertility.
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