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Development and targeted application of a rapid QF-PCR test for sex chromosome imbalance by Celia Donaghue; Angharad Roberts; Kathy Mann; Caroline Mackie Ogilvie is a Medicine article available to read on EtoBox.

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## Objectives: A qf-pcr test has been developed to diagnose sex chromosome imbalances in prenatal samples and has been applied to a diagnostic service. ## Methods: The test uses a pcr multiplex with eight primer pairs: six x-chromosome polymorphic markers, including two markers from xp (a region not included in previously published sex chromosome aneuploidy tests), one polymorphic marker for a locus common to the long arms of the x and y chromosomes, and the non-polymorphic amelogenin marker. homozygosity for all x-chromosome markers and the absence of the y-chromosome amelogenin marker is highly likely (907 : 1) to represent monosomy x (turner syndrome), but interphase fish is always used to confirm such a result. ## Results: Blind studies were carried out to validate the test and the first year of clinical use has been reported. results are usually issued within one working day, and the test is more efficient than interphase fish. ## Conclusions: The sex chromosome imbalance test has been targeted to prenatal samples displaying a clear ultrasound indication consistent with turner syndrome, and has also been used to identify fetal sex in pregnancies at risk of inheriting a sex-lin

Who reads Development and targeted application of a rapid QF-PCR test for sex chromosome imbalance?

Author

Celia Donaghue; Angharad Roberts; Kathy Mann; Caroline Mackie Ogilvie

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley; Research Square (ISSN 0197-3851)

Published

2003

Language

EN

Field

Medicine (Health Sciences)