An Efficient and Robust Statistical Modeling Approach to Discover Differentially Expressed Genes Using Genomic Expression Profiles

Table 4.

Top 25 Genes Differentially Expressed between AML Patients Who Lived or Died After Treatment

Gene description Probe Z-score P-value t-test W. r.s.3 Locus Locus anomalies observed in AML
Alpha IV collagen D17391 −5.96 <0.0001 1.0000 1.0000 2q35-q37 Rearrangement (Berger et al. 1991), ring  formation (Whang-Peng et al. 1987)
Integrin beta-5 subunit X53002 5.24 0.0011 1.0000 1.0000 3 (q22?) Inversion, translocation (Testoni et al. 1999)
Pyrroline-5-carboxylate  synthetase X94453 5.00 0.0041 1.0000 1.0000 10q24.3 Translocation in CML (Aguiar et al. 1997),  hotspot for translocations in ALL (Kagan  et al. 1989; Salvati et al. 1999)
Alpha-tubulin X01703 4.96 0.0051 1.0000 1.0000 2q ?, Rearrangement (Berger et al. 1991),  ring formation (Whang-Peng et al. 1987)
KIAA0076 D38548 −4.84 0.0092 1.0000 1.0000 6 (p12-21?) Rearrangement (Raynaud et al. 1994;  Haase et al. 1995)
Cockayne syndrome  complementation  group A U28413 4.74 0.0147 1.0000 1.0000 5 (q13?) 5q11-31 frequently lost in AML (Shipley  et al. 1996;Van den Berghe and  Michaux 1997)
Set M93651 4.73 0.0158 1.0000 1.0000 9q34 Translocation, may create Set-Can fusion  (von Lindern et al. 1992)
KIAA0172 D79994 −4.63 0.0254 1.0000 1.0000 9 (p?) 9p abnormalities are common in leukemia  and other cancers (Ragione and Iolascon  1997)
Selenophosphate  synthetase 2  (SPS2) U43286 4.61 0.0285 1.0000 1.0000 (16p or 10q)? Inversions and translocations are common  in 16p (Marlton et al. 1995; Mancini et  al. 2000), CML/ALL translocations  identified in 10q (Kagan et al. 1989;  Aguiar et al. 1997; Salvati et al. 1999)
Centromere  protein E  (312kD) Z15005 −4.60 0.0293 1.0000 1.0000 4q24-q25 4q25 translocation in ALL (Nowell et al.  1986)
Thioredoxin X77584 4.54 0.0392 1.0000 1.0000 9q31 Loss (Shipley et al. 1996)
PIG-B D42138 −4.53 0.0409 1.0000 1.0000 15q21-q22 15q observed deleted or translocated  (Gogineni et al. 1997; Grimwade et al.  1997)
Survival motor  neuron protein  SMN U80017 4.32 0.1088 1.0000 1.0000 5q13 5q11-31 frequently lost in AML (Shipley  et al. 1996; Van den Berghe and  Michaux 1997)
Caspase-8 X98176 −4.22 0.1755 1.0000 1.0000 2q33-q34 Duplication in non-Hodgkin's lymphoma  (Bajalica-Lagercrantz et al. 1996), ring  formation (Whang-Peng et al. 1987)
Bullous pemphigoid  antigen M69225 −4.21 0.1795 1.0000 1.0000 6p12-p11 Rearrangement (Raynaud et al. 1994;  Haase et al. 1995)
Sp2 transcription  factor D28588 −4.18 0.2020 1.0000 1.0000 17q21.3-q22 Translocation spot (Melnick et al. 1999),  isochromosomes on 17q common  (Fioretos et al. 1999)
Biglycan J04599 −4.17 0.2119 1.0000 1.0000 Xq28 Translocation found in AML (Weis et al.  1985), common in ALL (Stern 1996)
26S proteasome-associated pad1  homolog (POH1) U86782 4.16 0.2226 1.0000 1.0000 2 (q24-32?) Duplication in non-Hodgkin's lymphoma  (Bajalica-Lagercrantz et al. 1996), ring  formation (Whang-Peng et al. 1987)
Homeobox-like L32606 4.14 0.2427 1.0000 1.0000 ? ?
Pre-mRNA splicing  factor SRP75 L14076 −4.13 0.2582 1.0000 1.0000 1 (p32-36?) 1p32 and 1p36 both involved in  translocations (Selypes and Laszlo 1987;  Shimizu et al. 2000)
Autoantigen PM-SCL X66113 −4.12 0.2614 1.0000 1.0000 1p36 Translocation (Shimizu et al. 2000)
Bactericidal/permeability-increasing protein J04739 4.09 0.3030 1.0000 1.0000 20q11.23-q12 Deletion (commonly deleted in MDS)  (Fracchiolla et al. 1998)
HoxA9 U82759 4.04 0.3836 1.0000 1.0000 7p15-p14 Inversion (Stanley et al. 1997)
Matrin 3 M63483 4.03 0.3940 1.0000 1.0000
  • Dataset from Golub et al. (1999).

  • P-value computed from Z-score using a modified Bonferroni's correction.

  • P-value obtained fromtPvalue for TPO was 0.1105 and the Pvalues for the otehr genes did not change.3 P-value obtained from Wilcoxon rank sum using a modified Bonferroni's correction.

  • Chromosomal locus determined by survey of NCBI LocusLink (http://www.ncbi.nlm.nih.gov/LocusLink). Purative loci are shown in parentheses.

This Article

  1. Genome Res. 11: 1227-1236

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