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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
9
pubmed:dateCreated
2007-6-11
pubmed:abstractText
Mantle cell lymphoma (MCL) is characterized by over-expression of cyclin Dl as a result of the characteristic t(11;14)(q13;q32). However, this translocation alone has proven not to be sufficient for lymphomagenesis, suggesting the involvement of additional alterations. We have characterized 35 cases of MCL by array comparative genomic hybridization with an average resolution of 0.97 Mb distributed over the complete human genome. The most common alterations were losses in 1p13.2-p31.1, 6q16.2-q27, 8p21.3, 9p13.2-p24.3, 9q13-q31.3, 11q14.3-q23.3, 13q14.13-q21.31, 13q33.1-q34, and 22q11.23-q13.33 and gains involving 3q21.2-q29, 7p12.1-p22.3, 8q24.13-q24.23, and 18q21.33-q22.3. Four homozygous deletions were identified in totally three patients; two overlapping at 1p32.3, and two adjacent at 13q32.3. The homozygous deletions at 1p32.3 cover the CDKN2C locus (coding for p18), while the region at 13q32.3 does not encompass any known tumor suppressor genes. A gain in 3q was significantly associated with shorter survival (P=0.047).
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Sep
pubmed:issn
0145-2126
pubmed:author
pubmed:issnType
Print
pubmed:volume
31
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1219-30
pubmed:meshHeading
pubmed-meshheading:17161458-Chromosome Deletion, pubmed-meshheading:17161458-Chromosomes, Human, Pair 1, pubmed-meshheading:17161458-Chromosomes, Human, Pair 13, pubmed-meshheading:17161458-Chromosomes, Human, Pair 3, pubmed-meshheading:17161458-Cyclin-Dependent Kinase Inhibitor p18, pubmed-meshheading:17161458-Gene Dosage, pubmed-meshheading:17161458-Genes, Tumor Suppressor, pubmed-meshheading:17161458-Genome, Human, pubmed-meshheading:17161458-Homozygote, pubmed-meshheading:17161458-Humans, pubmed-meshheading:17161458-In Situ Hybridization, Fluorescence, pubmed-meshheading:17161458-Lymphoma, Mantle-Cell, pubmed-meshheading:17161458-Microarray Analysis, pubmed-meshheading:17161458-Mutation, pubmed-meshheading:17161458-Nucleic Acid Hybridization, pubmed-meshheading:17161458-Oligonucleotide Array Sequence Analysis, pubmed-meshheading:17161458-Survival Rate, pubmed-meshheading:17161458-Translocation, Genetic
pubmed:year
2007
pubmed:articleTitle
Detailed assessment of copy number alterations revealing homozygous deletions in 1p and 13q in mantle cell lymphoma.
pubmed:affiliation
Department of Molecular Medicine and Surgery, Karolinska University Hospital, Stockholm, Sweden. emma.flordal.thelander@ki.se
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't