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Identification of the five most common cystic fibrosis mutations in single cells using a rapid and specific differential amplification system.

Abstract：

:We describe a rapid and specific differential amplification system which can detect five of the most common cystic fibrosis mutations from a single cell. In the first round of the polymerase chain reaction (PCR), regions of exons 4, 10 and 11 of the cystic fibrosis transmembrane conductance regulator (CFTR) gene containing the mutations delta F508, G551D, R553X, G542X and 621+1G > T were co-amplified in a single multiplex PCR. To identify potential contamination, we included external amplification primers for the polymorphic human tyrosine hydroxylase (HUMTH01) locus as a fingerprint for the sample. In the second round of PCR, detection of any of the five mutations was achieved using the amplification refractory mutation system (ARMS) in two separate reactions, each containing nested amplification primers for either wild type or mutant sequence. A separate second round PCR for the fingerprinting was performed with nested HUMTH01 primers. Using this procedure we have successfully and accurately detected five cystic fibrosis mutations in 30 single cells with a failed amplification rate of 7% and a contamination rate of 4.6% and that PCR failure or possible contamination will also be easily detected. This procedure allows detection of the five most common point mutations and small deletions responsible for cystic fibrosis from a single cell in < 8 h which could be applicable to preimplantation diagnosis in human embryos.

journal_name

Mol Hum Reprod

journal_title

Molecular human reproduction

authors

Scobie G,Woodroffe B,Fishel S,Kalsheker N

doi

10.1093/molehr/2.3.203

subject

Has Abstract

pub_date

1996-03-01 00:00:00

pages

203-7

issue

3

eissn

1360-9947

issn

1460-2407

journal_volume

2

pub_type

杂志文章

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