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Development and Integration of LensHooke® R10 for Automatic and Standardized Diagnosis for Sperm DNA Fragmentation.

Andrology(2023)

引用 2|浏览13
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摘要
Background: The sperm chromatin dispersion assay is commonly used to assess sperm DNA integrity. This approach is time-consuming, demonstrates poor chromatin preservation, and provides an ambiguous and unstandardized evaluation of fragmented chromatin. Objectives: We aimed to (i) develop an optimized sperm chromatin dispersion assay with reduced operation time, (ii) validate R10 test accuracy by comparing it to a conventional sperm chromatin dispersion assay, and (iii) standardize the sperm DNA fragmentation analysis procedure by integrating artificial intelligence optical microscopic technology. Materials and methods: This cross-section study included 620 semen samples. Aliquots were analyzed by a conventional Halosperm((R)) G2 assay (G2) and LensHooke((R)) R10 assay (R10). The DNA fragmentation index was scored manually, and R10 slides were automatically determined by a LensHooke((R)) X12 PRO semen analysis system (X12). Results: We demonstrated significant improvements in total assay time (40 vs. 72 min, p < 0.001) and in the halo-cytological resolution using R10 compared to G2. Comparing the G2 and R10, DNA fragmentation index results demonstrated good agreement between the two methods (Spearman's rank correlation, rho = 0.8517, p < 0.0001). We introduced the integration of an auto-calculation system to diagnose sperm DNA fragmentation. X12 interpretation showed excellent agreement with manual interpretation (Spearman's rank correlation, rho = 0.9323, p < 0.0001), but had a low coefficient of variation compared to manual interpretation (4% for R10 by X12 vs. 19% for R10 by manual scoring vs. 25% for G2 by manual scoring). DNA fragmentation index was more correlated with total motility (coefficients = -0.3607, p < 0.0001) than sperm morphology and was positively associated with asthenozoospermic semen samples (p = 0.0001). Conclusion: The R10 sperm chromatin dispersion assay combined with the X12 semen analysis system is faster, more objective, and provides standardization for sperm DNA fragmentation.
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关键词
artificial intelligence,computer-assisted semen analysis,male infertility,semen quality,sperm DNA breaks
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