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© Research
Publication : Genetic testing

A cost-effective screening test for detecting AZF microdeletions on the human Y chromosome

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Genetic testing - 01 Jan 2002

Pieri Pde C, Pereira DH, Glina S, Hallak J, McElreavey K, Moreira-Filho CA

Link to Pubmed [PMID] – 12490058

Genet. Test. 2002;6(3):185-94

PCR-based screening of microdeletions in the azoospermic factor (AZF) on the Yq chromosome is an accepted means of identifying a common genetic cause of male infertility, responsible for 5-15% of cases associated with a low sperm count (</=5 x 10(6) sptz/ml). Based on an extensive analysis of the literature, we have established a cost-effective preliminary PCR-based diagnostic screening test, with a set of six pairs of primers ("set-of-6") that have the capability of detecting up to 95% of the Y microdeletion cases already published. These primers are: sY84 in AZFa, sY114, sY129, sY143 in AZFb, and sY149, sY254 in AZFc. Initially, the set-of-6 was tested with 13 other pairs of primers covering the three AZF subregions. A sample of 114 infertile men was tested and 10 (8.8%) microdeletions were found, 3 of which were among the 26 (11.5%) idiopathic azoospermic men. These results showed that all detected microdeletions would be identified using the set-of-6 only. Another sample of 34 patients was subsequently tested using the set-of-6 and 3 (8.8%) microdeletions were found in this group. A comparison of our results with those reported in the literature showed similar microdeletion detection frequencies, demonstrating that the set-of-6 primers provides a reliable, simple and cost-effective way of detecting AZF deletions.

http://www.ncbi.nlm.nih.gov/pubmed/12490058