Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/132964
Title: Prognostic value of Y deletion analysis: How reliable is the outcome of Y deletion analysis in providing a sound prognosis?
Authors: Liow, S.L. 
Yong, E.L. 
Ng, S.C. 
Keywords: AZF
Azoospermia
Male infertility
Prognosis
Y microdeletions
Issue Date: 2001
Source: Liow, S.L., Yong, E.L., Ng, S.C. (2001). Prognostic value of Y deletion analysis: How reliable is the outcome of Y deletion analysis in providing a sound prognosis?. Human Reproduction 16 (1) : 9-12. ScholarBank@NUS Repository.
Abstract: Y chromosomal microdeletions at the azoospermia factor (AZF) locus have been implicated as one of the major causes of idiopathic male infertility. The availability of intracytoplasmic sperm injection (ICSI) in treating a variety of male infertility has raised the risk of the transmission of Y microdeletions from father to son. In many IVF centres, Y microdeletion analysis has been used as a diagnostic tool for genetic counselling of infertile couples. Presently, the only prognosis that can be derived from Y microdeletion analysis is that the affected male offspring would benefit from proper clinical management of their infertility. Prognoses based on the pattern of Y microdeletions in relation to phenotype are rather subjective and inconclusive because of insufficient data to derive a definitive correlation whose significance can be determined by statistical analysis. Standardization of the number and choice of sequence-tagged sites (STS), whose deletions result in defective spermatogenesis, for the polymerase chain reaction (PCR) analysis of Y microdeletions would enhance its reliability in the interpretation of the results which is crucial for therapeutic decision-making. Furthermore, in-depth understanding of the gene functions in male infertility, especially at the AZF locus, would contribute greatly to the quality of the prognostic value of Y microdeletion analysis.
Source Title: Human Reproduction
URI: http://scholarbank.nus.edu.sg/handle/10635/132964
ISSN: 02681161
Appears in Collections:Staff Publications

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