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Differential display reverse transcription-polymerase chain reaction to identify novel biomolecules in arthritis research

Lookup NU author(s): Dr Mohammed Ali, Professor John IsaacsORCiD

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Abstract

Differential display is one of the simplest techniques for discovering novel transcripts when comparing gene expression in biological systems. The method can be carried out on small amounts of total RNA and permits the simultaneous comparison of multiple independent samples in a single experiment. The methodology is versatile in that it allows the researcher to adapt the existing protocol by varying the selection of oligonucleotide primers used in the PCR. The putative differentials, which are isolated from the polyacrylamide gels as cDNA fragments of approx 100 to 500 bases in size, can be instantly recognized after sequencing by searching the nucleotide databases. However, one of the drawbacks is the isolation of false positives and hence the need to confirm the results of the screen by another method. Once the true differentials have been identified, further downstream work is also required to recognize which splice variant of the transcript gives rise to the expression differences and whether the gene expression results are corroborated at the protein level.


Publication metadata

Author(s): Ali M, Isaacs JD

Editor(s): Cope, AP

Publication type: Book Chapter

Publication status: Published

Book Title: Arthritis Research

Year: 2007

Volume: 136

Pages: 329-47

Series Title: Methods in Molecular Medicine

Publisher: Humana Press

Place Published: US

URL: http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=17983158

DOI: 10.1007/978-1-59745-402-5_23

Notes: ISSN: 1543-1894 (Print) 1940-6037 (Online) Online ISBN: 9781597454025

Library holdings: Search Newcastle University Library for this item

ISBN: 9781588299185


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