Amplification of tissue by construction of tissue microarrays

被引:107
作者
Rimm, DL
Camp, RL
Charette, LA
Olsen, DA
Provost, E
机构
[1] Yale Univ, Sch Med, Dept Pathol, New Haven, CT 06510 USA
[2] Yale Univ, Sch Med, Yale Comprehens Canc Ctr, New Haven, CT 06510 USA
基金
美国国家卫生研究院;
关键词
microarray; immunoperoxidase; immunofluorescence; screening; histopathology; high throughput; validation;
D O I
10.1006/exmp.2001.2363
中图分类号
R36 [病理学];
学科分类号
100104 ;
摘要
Tissue microarrays are a method of relocating tissue from conventional histologic paraffin blocks in a manner that tissue from multiple patients or blocks can be seen on the same slide. This is dune by using a needle to biopsy a standard histologic section and placing the core into an array on a recipient paraffin block. This technique allows maximization of tissue resources by analysis of small core biopsies of blocks, rather than complete sections. Using this technology, a carefully planned array can be constructed using cases from pathology tissue block archives, and a 20-year survival analysis can be done on a cohort of 600 or more patients using only a few microliters of antibody in a single experiment. Furthermore, this cohort can be analyzed thousands of times with different reagents as a result of judicious sectioning of the array block. This review describes this process and discusses the issues of representative sampling in heterogeneous lesions, the issue of antigen preservation, and some technical strategies and methods of array construction. In summary, this technique can provide a highly efficient, high-throughput mechanism for evaluation of protein expression in large cohorts. It has the potential for allowing validation of new genes at a speed comparable to the rapid rate of gene discovery afforded by DNA microarrays. (C) 2001 Academic Press.
引用
收藏
页码:255 / 264
页数:10
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