Detection of sperm in men with Y chromosome microdeletions of the AZFa, AZFb and AZFc regions
نویسندگان
چکیده
منابع مشابه
Detection of sperm in men with Y chromosome microdeletions of the AZFa, AZFb and AZFc regions.
BACKGROUND Y chromosome microdeletions are associated with severe male factor infertility. In this study, the success rate of testicular sperm retrieval was determined for men with deletions of AZF regions a, b or c. METHODS AZF deletions were detected by PCR of 30 sequence-tagged sites within Yq emphasizing the AZFa, b and c regions. Semen analysis and diagnostic testis biopsy or testicular ...
متن کاملO-1: Evaluation of Ethnic Patterns of Y Chromosome Microdeletions in Iranian Infertile Men with Azoospermia/Severe Oligospermia Referred to Royan Institute
Background: Microdeletions of the long arm of the chromosome Y are the most common molecular genetic cause of severe infertility in men which affect three regions of AZFa, AZFb and AZFc (Azoospermia factor). These regions contain various genes involved in spermatogenesis. The effect of ethnicity on the patterns of Y chromosome microdeletions has not been extensively studied, particulary in Iran...
متن کاملO-7: Y Chromosome Microdeletions Are Not Associated with Spontaneous Recurrent Pregnancy Loss in A Sinhalese Population in Sri Lanka
Background: Many advances have been made in reproductive medicine yet the spontaneous loss of a pregnancy remains the most common complication of pregnancy. The aetiology of spontaneous recurrent pregnancy loss (RPL) is multifactorial. Y chromosome microdeletions are found in approximately 7% of men with low sperm counts and, compared to the general population, a higher frequency of spontaneous...
متن کاملبررسی حذف های کوچک کروموزوم Y در مردان نابارور مراجعه کننده به بیمارستان فاطمیه همدان با روش Multiplex PCR
Introduction & Objective: Male factor is the major cause of infertility in 20% of cases (WHO). There are known etiologies for 70% of cases .However, 30% of infertility cases are of idiopathic origin. The Y chromosome and micro deletion of the long arm of the Y chromosome (Yq) in three regions (AZFa, AZFb ,AZFc ) are associated with spermatogenic failure and is a major etiology for oligo and a...
متن کاملI-6: Azoospermia Factor in Male Infertility
Background The human Y chromosome is essential for human sex determination and male germ cell development and maintenance. In 1996, Vogt et al. identified three recurrently deleted regions in Yq11 termed the azoospermia factor (AZF). The AZF region is subdivided into three non-overlapping sub-regions called AZFa, AZFb and AZFc and microdeletion in these regions is the most important etiology of...
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ژورنال
عنوان ژورنال: Human Reproduction
سال: 2003
ISSN: 1460-2350
DOI: 10.1093/humrep/deg348