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Features include always present findings: Coiled sperm flagella, Male infertility, Reduced sperm motility, and Absent sperm flagella and others.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Hormones | 1 | Male infertility |
CFAP43 encodes cilia and flagella associated protein 43 (1,665 aa). Flagellar protein involved in sperm flagellum axoneme organization and function. Involved in the regulation of the beating frequency of motile cilia on the epithelial cells of the respiratory tract Highest expression in Testis (45.2 TPM) and Pituitary (7.6 TPM).
Spermatogenic failure 19 is caused by mutations in the CFAP43 gene on chromosome 10.
CFAP43 is classified as a druggable target with score 0.0.
Genetic testing for CFAP43 is available. Testing is considered confirmatory for diagnosis.
Biomarker and diagnostic research for spermatogenic failure 19 has been reported in the published literature.
Phenotype severity distribution: 5 always present features.
No clinical trials have been registered for spermatogenic failure 19.
3 publications have been identified in PubMed for spermatogenic failure 19. Research spans Review / Meta-Analysis (67%) and Diagnostic / Biomarker (33%).
Lamb DJ (2026). [PMID: 41486877](https://pubmed.ncbi.nlm.nih.gov/41486877/). *Endocrinology*. [Review / Meta-Analysis]
Oud MS (2025). [PMID: 39180390](https://pubmed.ncbi.nlm.nih.gov/39180390/). *Andrology*. [Diagnostic / Biomarker]
Stallmeyer B (2025). [PMID: 39120565](https://pubmed.ncbi.nlm.nih.gov/39120565/). *Andrology*. [Review / Meta-Analysis]
Data assembled from 6 of 12 sources · Last updated Sep 20, 2026, 4:07 PM UTC
Online Mendelian Inheritance in Man
Genetic and Rare Diseases Info Center