Loss of the AZFc region due to a human Y-chromosome microdeletion in infertile male patients

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Loss of the AZFc region due to a human Y-chromosome microdeletion in infertile male patients.

Infertility is a major reproductive health threat; the frequency of male infertility due to Y-chromosome microdeletions is 13-18% in the human population; these microdeletions involve recurrent loss of three non-overlapping regions designated as AZFa, AZFb and AZFc, associated with spermatogenic failure. Several contradictory reports have been published regarding deletion frequency based on seq...

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Molecular Study of Partial Deletions of AZFc Region of the Y Chromosome in Infertile Men

Background & Aims: The most significant cause of infertility in men is the genetic deletion in the azoospermia factor (AZF) region that is caused by the process of intra- and inter-chromosomal homologous recombination in amplicons. Homologous recombination could also result in partial deletions in AZF region. The aim of this research was to determine the association between the partial AZFc del...

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The AZFc region of the Y chromosome: at the crossroads between genetic diversity and male infertility

BACKGROUND The three azoospermia factor (AZF) regions of the Y chromosome represent genomic niches for spermatogenesis genes. Yet, the most distal region, AZFc, is a major generator of large-scale variation in the human genome. Determining to what extent this variability affects spermatogenesis is a highly contentious topic in human reproduction. METHODS In this review, an extensive character...

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I-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: Genetics and Molecular Research

سال: 2010

ISSN: 1676-5680

DOI: 10.4238/vol9-2gmr836