Gene Set: ZHAN_MULTIPLE_MYELOMA_UP

Standard name ZHAN_MULTIPLE_MYELOMA_UP
Systematic name M3958
Brief description Genes most significantly up-regulated in multiple myeloma samples, compared to normal bone marrow plasma cells.
Full description or abstract Bone marrow plasma cells (PCs) from 74 patients with newly diagnosed multiple myeloma (MM), 5 with monoclonal gammopathy of undetermined significance (MGUS), and 31 healthy volunteers (normal PCs) were purified by CD138(+) selection. Gene expression of purified PCs and 7 MM cell lines were profiled using high-density oligonucleotide microarrays interrogating about 6800 genes. On hierarchical clustering analysis, normal and MM PCs were differentiated and 4 distinct subgroups of MM (MM1, MM2, MM3, and MM4) were identified. The expression pattern of MM1 was similar to normal PCs and MGUS, whereas MM4 was similar to MM cell lines. Clinical parameters linked to poor prognosis, abnormal karyotype (P =.002) and high serum beta(2)-microglobulin levels (P =.0005), were most prevalent in MM4. Also, genes involved in DNA metabolism and cell cycle control were overexpressed in a comparison of MM1 and MM4. In addition, using chi(2) and Wilcoxon rank sum tests, 120 novel candidate disease genes were identified that discriminate normal and malignant PCs (P <.0001); many are involved in adhesion, apoptosis, cell cycle, drug resistance, growth arrest, oncogenesis, signaling, and transcription. A total of 156 genes, including FGFR3 and CCND1, exhibited highly elevated (spiked) expression in at least 4 of the 74 MM cases (range, 4-25 spikes). Elevated expression of these 2 genes was caused by the translocation t(4;14)(p16;q32) or t(11;14)(q13;q32). Thus, novel candidate MM disease genes have been identified using gene expression profiling and this profiling has led to the development of a gene-based classification system for MM.
Collection C2: curated gene sets
      CGP: chemical and genetic perturbations
Source publication Pubmed 11861292   Authors: Zhan F,Hardin J,Kordsmeier B,Bumm K,Zheng M,Tian E,Sanderson R,Yang Y,Wilson C,Zangari M,Anaissie E,Morris C,Muwalla F,van Rhee F,Fassas A,Crowley J,Tricot G,Barlogie B,Shaughnessy J Jr
Exact source Table 5
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Organism Homo sapiens
Contributed by Kevin Vogelsang (Broad Institute)
Source platform Hu6800
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Compendia expression profiles Human tissue compendium (Novartis)
NCI-60 cell lines (National Cancer Institute)
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Version history 3.0: Renamed from ZHAN_MULTIPLE_MYELOMA_VS_NORMAL_UP

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