A RAPID METHOD FOR PCR AMPLIFICATION OF DNA DIRECTLY FROM CELLS FIXED IN CARNOYS FIXATIVE

被引：12

作者：

LI, SB ^{[1
]}

TUCKMULLER, CM ^{[1
]}

YAN, QA ^{[1
]}

WERTELECKI, W ^{[1
]}

CHEN, H ^{[1
]}

机构：

[1] UNIV SO ALABAMA,COLL MED,DEPT MED GENET,MOBILE,AL 36688

来源：

AMERICAN JOURNAL OF MEDICAL GENETICS | 1995年 / 55卷 / 01期

关键词：

PCR; CYTOGENETICS; ARCHIVED SPECIMENS; CARNOY FIXED CELLS; DNA ANALYSIS;

D O I：

10.1002/ajmg.1320550130

中图分类号：

Q3 [遗传学];

学科分类号：

071007 ; 090102 ;

摘要：

We describe a method for rapid and efficient polymerase chain reaction (PCR) amplification of specific target DNA sequences directly from cells fixed in 3:1 methanol-acetic acid (Carnoy's fixative) for routine cytogenetic analysis. The fixed cells used had been stored at -20 degrees C from a few weeks up to 6 years. Primer sets used correspond to loci on an autosome (retinoblastoma, RE1), as well as the X (Duchenne muscular dystrophy, DMD) and Y (sex-determining region of the Y, SRY) chromosomes. Sizes of amplified products were the expected 400, 251 and 609 bps, respectively. No differences in quality of amplification products were found between PCR templates obtained from fresh tissues or from cells fixed for varying lengths of time in Carnoy's fixative. This technique has following advantages: (1) it retrospective studies of genetic disorders from archived specimens; (2) it requires only a limited number of cells; (3) it is rapid and simple; and (4) it avoids multistep procedures required in extraction of the DNA. (C) 1995 Wiley-Liss, Inc.

引用

页码：116 / 119

页数：4

共 6 条

[1] DIRECT PCR FROM CVS AND BLOOD LYSATES FOR DETECTION OF CYSTIC-FIBROSIS AND DUCHENNE MUSCULAR-DYSTROPHY DELETIONS [J].