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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Altered apoptosis pathways in mantle cell lymphoma detected by oligonucleotide microarray.

An imbalance between cellular apoptosis and survival may be critical for the pathogenesis of lymphoma. Therefore, the gene expression pattern in lymph node preparations from patients with mantle cell lymphoma (MCL) was compared to the pattern in nonmalignant hyperplastic lymph nodes (HLs). Oligonucleotide microarray analysis was performed comparing 5 MCLs to 4 HLs using high-density microarrays. The expression data were analyzed using Genespring software. For confirmation, the expression of selected genes was analyzed by real-time polymerase chain reaction using the RNA extracted from 16 MCL and 12 HL samples. The focus was on 42 genes that were at least 3-fold down-regulated in MCL; in addition to the B-cell leukemia 2 (BCL2) system other apoptotic pathways were altered in MCL. The FAS-associated via death domain (FADD) gene that acts downstream of the FAS cascade as a key gene to induce apoptosis was more than 10-fold down-regulated in MCL. Furthermore, the death-associated protein 6 (DAXX) gene, the caspase 2 (CASP2) gene, and the RIPK1 domain containing adapter with death domain (RAIDD) gene, which are key genes in other proapoptotic pathways, were also decreased in the MCL samples. The suggestion is made that in addition to the known overexpression of cyclin D1, which drives entry into the cell cycle, disturbances of pathways associated with apoptosis contribute to the development of MCL. (Blood. 2001;98:787-794)[1]


  1. Altered apoptosis pathways in mantle cell lymphoma detected by oligonucleotide microarray. Hofmann, W.K., de Vos, S., Tsukasaki, K., Wachsman, W., Pinkus, G.S., Said, J.W., Koeffler, H.P. Blood (2001) [Pubmed]
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