ArticleClinical epigenetics2025
Seminal plasma cfDNA fragmentomics landscape delineates male infertility subtypes.
Article in Clinical epigenetics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Biological and clinical factors predicting sperm retrieval success in men with non-obstructive azoospermia.Reproduction & fertility · 2026Review
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5 authors.
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Abstract
backgroundWhile cell-free DNA (cfDNA) fragmentomics has transformed liquid biopsy applications in prenatal screening and oncology, its potential in male reproductive health remains unexplored.
methodsThrough integrated whole-genome sequencing and jagged end sequencing (Jag-Seq) coupled with non-CG(CH) methylation analysis, we established the first fragmentomic atlas of seminal plasma (SP) cfDNA from 18 healthy donors, with 20 plasma cfDNA samples. This approach was then applied to 33 patients (14 with varicocele [VC] and 19 with nonobstructive azoospermia [NOA]) to characterize disease-specific fragmentomic features. ROC analysis was employed to study the potential diagnostic ability for these two diseases.
resultsSize distribution profiling showed SP cfDNA enrichment in short fragments (< 150 bp) with bimodal distribution (151 bp main peak/110 bp subpeak), contrasting with plasma's sharp 166-bp peak pattern (
conclusionsThe study indicates that distinct cfDNA profiles are present in certain male infertility conditions. These cfDNA metrics demonstrated disease-specific cfDNA dynamics present innovative opportunities for the development of noninvasive diagnostic tools in the field of reproductive medicine.
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