Male infertility can be treated by several methods with varying degree of success. We present evidence that "open" testicular biopsy is favorable for men suffering from non-obstructive azoospermia (NOA). Moreover, any NOA patient may be subjected to this treatment even though his past histopathological examinations suggest that it is likely no sperm will be found in the testicular tissue. Thus, we recommend the testicular sperm extraction (TESE) procedure for NOA patients.
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Diminished DNA binding affinity of DMRT1 caused by heterozygous DM domain mutations is a cause of male infertility.
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Genom Ltd., Ilica 190, Zagreb 10000, Croatia.
The most severe form of male infertility is idiopathic non-obstructive azoospermia (NOA), a complete sperm absence in the ejaculate. We performed exome sequencing in the Croatian infertile brothers with NOA and found a variant in DMRT1 (Doublesex and mab-3 related transcription factor 1) gene that was further assessed by the EMSA assay and molecular dynamic simulations. We additionally screened for DMRT1 mutations in 1940 infertile men diagnosed with spermatogenic failure, 644 normozoospermic controls, and 105 females with primary ovarian insufficiency (POI) recruited to the GEnetics of Male INfertility Initiative (GEMINI) or Estonian Andrology (ESTAND) cohorts.
View Article and Find Full Text PDFPredictive Value of Varicocele Grade and Histopathology in Simultaneous Varicocelectomy and Sperm Retrieval in Non-Obstructive Azoospermia: A Retrospective Cohort Study.
Medicina (Kaunas)
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Laboratory of Spermatology, Department of Urology, Faculty of Medicine, School of Health Sciences, University of Ioannina, 45110 Ioannina, Greece.
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View Article and Find Full Text PDFPredictors of Successful Testicular Sperm Extraction: A New Era for Men with Non-Obstructive Azoospermia.
Biomedicines
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Laboratory of Spermatology, Department of Urology, Faculty of Medicine, School of Health Sciences, University of Ioannina, 45110 Ioannina, Greece.
: Non-obstructive azoospermia (NOA) is a severe form of male infertility characterized by the absence of sperm in the ejaculate due to impaired spermatogenesis. Testicular sperm extraction (TESE) combined with intracytoplasmic sperm injection is the primary treatment, but success rates are unpredictable, causing significant emotional and financial burdens. Traditional clinical and hormonal predictors have shown inconsistent reliability.
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Hum Reprod Open
November 2024
Department of Medical Informatics, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
Study Question: How accurately can artificial intelligence (AI) models predict sperm retrieval in non-obstructive azoospermia (NOA) patients undergoing micro-testicular sperm extraction (m-TESE) surgery?
Summary Answer: AI predictive models hold significant promise in predicting successful sperm retrieval in NOA patients undergoing m-TESE, although limitations regarding variability of study designs, small sample sizes, and a lack of validation studies restrict the overall generalizability of studies in this area.
What Is Known Already: Previous studies have explored various predictors of successful sperm retrieval in m-TESE, including clinical and hormonal factors. However, no consistent predictive model has yet been established.
Purpose: We aimed to investigate possible hormonal changes following microdissection testicular sperm extraction (mTESE) in men with non-obstructive azoospermia (NOA) across three referral centers.
Materials And Methods: We prospectively analyzed data from 102 consecutive NOA men. Patients with prior hormonal therapies were excluded.
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