High level expression of N-acetylgluosamine-6-O-sulfotransferase is characteristic of a subgroup of paediatric precursor-B acute lymphoblastic leukaemia.

Abstract:

:Microarray analysis is a powerful technology, but its impact on routine diagnosis for the near future maybe in revealing individual genes, which are useful diagnostic markers. Recently microarray analysis has identified a novel subgroup of childhood precursor-B acute lymphoblastic leukaemia (ALL) from a unique gene expression profile of over 30 genes. We have evaluated the four most highly expressed genes from this profile, by quantitative real time RT-PCR, to determine whether any of these genes by itself could be useful as a diagnostic indicator. The levels of expression of N-acetylglucosamine-6-O-sulfotransferase (GN6ST), protein tyrosine phosphatase receptor M (PTPRmu), G protein-coupled receptor 49 (HG38) and KIAA1099 protein were determined in childhood precursor-B ALL samples from a cohort of 116 Indian patients. In nine cases, three or four of these genes exhibited very high expression levels, but only GN6ST was consistently over-expressed. We suggest that very high level expression of GN6ST is a useful diagnostic marker for a subgroup of previously unclassified ALL.

journal_name

Cancer Lett

journal_title

Cancer letters

authors

Timson G,Banavali S,Gutierrez MI,Magrath I,Bhatia KG,Goyns MH

doi

10.1016/j.canlet.2005.11.012

keywords:

subject

Has Abstract

pub_date

2006-10-28 00:00:00

pages

239-44

issue

2

eissn

0304-3835

issn

1872-7980

pii

S0304-3835(05)00999-7

journal_volume

242

pub_type

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