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Chromodomain Helicase DNA-Binding Proteins and Spermatogenesis: Current Advances
Mingrui Zhang1, Di Liu1, Guoqiang Liu2
1Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
Andrology
|April 10, 2026
Summary
Chromodomain helicase DNA-binding (CHD) proteins are key epigenetic regulators of sperm production. Dysregulation of these proteins is linked to male infertility, suggesting they are potential diagnostic and therapeutic targets.
Area of Science:
- Epigenetics
- Reproductive Biology
- Molecular Biology
Background:
- Male infertility affects a significant portion of the population, with idiopathic cases often linked to impaired spermatogenesis due to gene expression dysregulation.
- Chromodomain helicase DNA-binding (CHD) proteins are crucial chromatin remodelers involved in epigenetic regulation.
- Specific examples, like smoking-induced CHD5 promoter hypermethylation, correlate with reduced semen quality.
Purpose of the Study:
- To review the functions and mechanisms of CHD proteins during spermatogenesis.
- To examine the connection between CHD proteins and male infertility.
- To explore the potential of CHD proteins as diagnostic and therapeutic targets for male infertility.
Main Methods:
- A comprehensive literature review was performed.
- Synthesized current research on CHD protein expression and function throughout spermatogenesis.
Main Results:
- CHD proteins are expressed in testicular tissue.
- These proteins are vital for multiple stages of spermatogenesis, including spermatogonial stem cell maintenance and spermatid maturation.
- CHD proteins show promise for understanding and treating male infertility.
Conclusions:
- CHD proteins are significant epigenetic regulators in spermatogenesis.
- They may serve as valuable biomarkers for male infertility.
- CHD proteins hold potential as therapeutic targets for male infertility.
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