Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.18/2703
Título: AZF midrodeletions screening in infertile men of the Portuguese population
Autor: Pereira, Iris
Silva, Júlia
Correia, Sónia
Pinto, Maria Graça
Rangel, Ricardo
Aguiar, Ana
Nunes, Joaquim
Calhaz Jorge, Carlos
Gonçalves, João
Palavras-chave: Doenças Genéticas
Infertilidade Masculina
Infertilidade
AZF
Microdeleções
AZFa
AZFb
AZFc
Data: Out-2014
Editora: Wiley Blackwell
Citação: Proceedings of the 8th Congress of the European Academy of Andrology, 2, 2014, p. 53
Resumo: Analysis of genetic conditions associated with male infertility is, at present days, restricted to chromosome analysis, AZF Y-chromosome microdeletions screening, and to patients with hypogonadotrophic hypogonadism or with congenital absence of the vas deferens. Among different populations AZF microdeletions can explain 10-15% of the infertile phenotype of azoospermic men and 2-5% of oligozoospermic men. Here we present the results of AZF deletions screening performed in a selected group of infertile Portuguese men with idiopathic non-obstructive azoospermia or with oligozoospermia (men with other causes of male infertility, endocrinological alterations, varicocele, criptorquidism, professional risk factors, autosomal chromosomal abnormalities, were excluded for this study). Analysis was performed by Multiplex-PCR using specific STS for the three AZF regions. Microdeletion breakpoints were confirmed using a second multiplex-PCR. We analysed 865 infertile men (270 azospermic and 595 oligozoospermic with [spermatozoa]<5x106/mL) and 300 DNA samples obtained from fertile men of the Portuguese population. While AZF microdeletions were found in 27 azoospermic (10.0%) and in 22 oligozoospermic men (3.7%), in fertile men no microdeletions were detected.Our results demonstrate that AZF microdeletions are frequent among males with the infertile phenotype described above. The regions absent have prognostic value for the clinical decision and patients treatment. Genetic counselling is recommended to all patients with AZFdel. AZFcdel will be obligatorily transmitted to all male offspring by ICSI, which will seriously impair their fertility.
Peer review: yes
URI: http://hdl.handle.net/10400.18/2703
Aparece nas colecções:DGH - Posters/abstracts em congressos internacionais

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