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Zinc finger protein 318 (ZNF318)
- Target
- ZNF318
- Molecular classification
- Transcription factor, Zinc finger protein, DNA-binding protein
01
Overview
Zinc finger protein 318 (ZNF318) is a large human protein encoded by the ZNF318 gene on chromosome 6 and belongs to the zinc finger protein family, which is characterized by DNA-binding zinc finger domains. ZNF318 is predicted to have protein heterodimerization and homodimerization activities and is involved in both the positive and negative regulation of transcription from DNA templates. It is localized in the cytosol and nucleoplasm. Recent functional studies show that ZNF318, also called testicular zinc finger protein (TZF), exists in alternatively spliced forms that fine-tune androgen receptor (AR) signaling: one isoform functions as a corepressor of AR, while the other acts as a coactivator. The protein is especially notable in the context of reproductive biology, modulating AR-mediated transcriptional response during spermatogenesis and meiotic division. ZNF318 is not currently implicated as a classic therapeutic target, nor have drugs been developed to modulate its function.
- Other names
- ZFP318HRIHFB2436TZFTesticular zinc finger proteinEndocrine regulatory proteinEndocrine regulatorTesticular zinc finger
02
Mechanism of action
Not applicable. No known drugs target ZNF318.
03
Biological functions
Regulation of transcription (both positive and negative regulation of DNA-templated transcription)Protein heterodimerization and homodimerization activityModulation of androgen receptor (AR) signaling, specifically through corepressor and coactivator isoforms involved in fine-tuning the AR-mediated transcriptional responsePossible role in spermatogenesis and meiotic division, notably via AR interaction
04
Disease associations
Currently, the most direct association in the literature is with Body Mass Index Quantitative Trait Locus 11 as a quantitative trait association, but there are no strong or specific disease links. Research suggests regulatory effects in reproductive biology but no direct causal link to major disease classes such as cancer, inflammation, or neurological disorders.
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