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t(11;17)(q23;q25)

Identity

 
  t(11;17)(q23;q25) G-banding - Courtesy Jean Luc Lai

Clinics and Pathology

Disease de novo and treatment related acute non lymphocytic leukemia (ANLL), myelodysplastic syndromes (MDS); acute lymphoblastic leukemia (ALL) at times
Phenotype / cell stem origin various subtypes of ANLL may be found, M4 in particular, but also M1, M2, M5
Epidemiology at least 24 cases described; often found in children and young adults
Prognosis poor

Genes involved and Proteins

Gene Name MLL
Location 11q23
Protein contains two DNA binding motifs (a AT hook, and Zinc fingers), a DNA methyl transferase motif, a bromodomain; transcriptional regulatory factor; nuclear localisation
Gene Name MSF
Location 17q25
Protein protein which belongs to the septin family

Result of the chromosomal anomaly

Hybrid gene
Description 5' MLL - 3' MSF; fusion at MLL exon 5; the reciprocal MSF-MLL is also transcribed, but out of frame
  
Fusion Protein
Description NH2 - AT hook and DNA methyltransferase from MLL fused to most of MSF in COOH
  

External links

Other databaset(11;17)(q23;q25) Mitelman database (CGAP - NCBI)
Other databaset(11;17)(q23;q25) CancerChromosomes (NCBI)

Bibliography

Ten novel 11q23 chromosomal partner sites. European 11q23 Workshop participants.
Harrison CJ, Cuneo A, Clark R, Johansson B, Lafage-Pochitaloff M, Mugneret F, Moorman AV, Secker-Walker LM
Leukemia : official journal of the Leukemia Society of America, Leukemia Research Fund, U.K. 1998 ; 12 (5) : 811-822.
PMID 9593286
 
MSF (MLL septin-like fusion), a fusion partner gene of MLL, in a therapy-related acute myeloid leukemia with a t(11;17)(q23;q25).
Osaka M, Rowley JD, Zeleznik-Le NJ
Proceedings of the National Academy of Sciences of the United States of America. 1999 ; 96 (11) : 6428-6433.
PMID 10339604
 
AF17q25, a putative septin family gene, fuses the MLL gene in acute myeloid leukemia with t(11;17)(q23;q25).
Taki T, Ohnishi H, Shinohara K, Sako M, Bessho F, Yanagisawa M, Hayashi Y
Cancer research. 1999 ; 59 (17) : 4261-4265.
PMID 10485469
 

Contributor(s)

Written04-2000Jean-Loup Huret

Citation

This paper should be referenced as such :
Huret JL . t(11;17)(q23;q25). Atlas Genet Cytogenet Oncol Haematol. April 2000 .
URL : http://AtlasGeneticsOncology.org/Genes/t1117ID1133.html

© Atlas of Genetics and Cytogenetics in Oncology and Haematology
indexed on : Wed Sep 24 21:07:22 2008


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