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Target intelligence / Profile preview
Tudor domain-containing protein 5 (TDRD5)
- Target
- TDRD5
- Molecular classification
- Other (Tudor domain protein), Developmental protein, RNA-binding protein
01
Overview
Tudor domain-containing protein 5 (TDRD5) is an RNA-binding protein that plays an essential role in germline development, retrotransposon repression, and piRNA-mediated gene silencing during spermatogenesis. It is required for proper assembly of chromatoid bodies and pi-bodies in male germ cells, and is crucial for the production and processing of pachytene piRNAs, which help prevent mobilization of transposable elements and protect genome integrity in germ cells[1][2][5]. Loss of TDRD5 disrupts piRNA biogenesis, transposon silencing, chromatoid body structure, and leads to spermatogenic arrest and infertility in males[1][2][5]. TDRD5 is expressed in germ cells of both testes and ovaries, though its most defined function is in spermatogenesis and male fertility[2][5]. No clinically approved drugs target TDRD5, and it is not currently considered a therapeutic target for somatic diseases.
- Other names
- TUDOR3FLJ34823testicular tissue protein Li 194tudor domain containing 5tudor domain-containing protein 5
02
Biological functions
Retrotransposon repressionpiRNA-mediated gene silencingGerm cell developmentChromatoid body and pi-body assemblyRegulation of posttranscriptional gene expression
03
Disease associations
Male infertilityAzoospermiaDefective spermatogenesisOther (no direct links to cancer or major somatic disease known)
04
Safety considerations
Male infertility due to loss of function
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