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Evaluation of mRNA by Q-RTPCR and protein expression by AQUA of the M2 subunit of ribonucleotide reductase (RRM2) in human tumors
被引:18
|作者:
Kolesar, Jill
[1
,2
]
Huang, Wei
[1
,3
]
Eickhoff, Jens
[1
,4
]
Hahn, Kristine
[1
,5
]
Alberti, Dona
[1
,5
]
Attia, Steven
[1
,5
]
Schelman, William
[1
,5
]
Holen, Kyle
[1
,5
]
Traynor, Anne
[1
,5
]
Ivy, Percy
[6
]
Wilding, George
[1
,5
]
机构:
[1] Univ Wisconsin, Paul P Carbone Comprehens Canc Ctr, Madison, WI 53792 USA
[2] Univ Wisconsin, Sch Pharm, Madison, WI 53792 USA
[3] Univ Wisconsin, Sch Med & Publ Hlth, Dept Pathol, Madison, WI 53792 USA
[4] Univ Wisconsin, Sch Med & Publ Hlth, Dept Biostat, Madison, WI 53792 USA
[5] Univ Wisconsin, Sch Med & Publ Hlth, Dept Med, Madison, WI 53792 USA
[6] NCI, Canc Therapy Evaluat Program, Bethesda, MD 20892 USA
关键词:
Triapine (R);
3-Aminopyridine-2-carboxaldehyde thiosemicarbazone;
Ribonucleotide reductase;
Automated quantitative immunohistochemistry (AQUA);
Quantitative real time PCR;
PHASE-II;
CELL-PROLIFERATION;
R2;
COMPONENT;
IN-VITRO;
CANCER;
OVEREXPRESSION;
GEMCITABINE;
TRANSFORMATION;
RESISTANCE;
INCREASES;
D O I:
10.1007/s00280-008-0845-0
中图分类号:
R73 [肿瘤学];
学科分类号:
100214 ;
摘要:
The purpose of this study was to evaluate baseline RRM2 protein and gene expression in tumors of patients receiving 3-AP. Tumor blocks from patients enrolled in phase I and II clinical studies using 3-AP, were evaluated for RRM2 gene and protein expression by quantitative real time polymerase chain reaction (Q-RTPCR) and automated quantitative analysis (AQUA). Esophageal and gastric cancers overexpressed RRM2 protein when compared to prostate cancer (Z-score, 0.68 +/- A 0.94 SD, vs 0.41 +/- A 0.84 SD, respectively; p = 0.04). Esophageal and gastric cancers also overexpressed RRM2 mRNA when compared to prostate cancer (relative gene expression 2.56 +/- A 1.49 SD, vs 0.29 +/- A 0.20 SD, respectively; p = 0.02). Protein and gene expression were moderately associated (Spearman's rank correlation = 0.30; p = 0.12). RRM2 gene and protein expression varies by tumor type.
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页码:79 / 86
页数:8
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