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MSI2 (musashi homolog 2 (drosophila))

Written2005-08Jean-Loup Huret
Genetics, Dept Medical Information, University of Poitiers; CHU Poitiers Hospital, F-86021 Poitiers, France

(Note : for Links provided by Atlas : click)


HGNC (Hugo) MSI2
HGNC Previous namemusashi homolog 2 (Drosophila)
LocusID (NCBI) 124540
Atlas_Id 42893
Location 17q22  [Link to chromosome band 17q22]
Location_base_pair Starts at 57257019 and ends at 57633183 bp from pter ( according to GRCh38/hg38-Dec_2013)  [Mapping MSI2.png]
Fusion genes
(updated 2017)
Data from Atlas, Mitelman, Cosmic Fusion, Fusion Cancer, TCGA fusion databases with official HUGO symbols (see references in chromosomal bands)
ATP5B (12q13.3)::MSI2 (17q22)ATP6V0A1 (17q21.2)::MSI2 (17q22)CFAP46 (10q26.3)::MSI2 (17q22)
CUX1 (7q22.1)::MSI2 (17q22)HOXA9 (7p15.2)::MSI2 (17q22)KSR1 (17q11.1)::MSI2 (17q22)
KSR1 (17q11.2)::MSI2 (17q22)MIR548N (2q31.2)::MSI2 (17q22)MSI2 (17q22)::AKAP1 (17q22)
MSI2 (17q22)::ALDH3A1 (17p11.2)MSI2 (17q22)::CA10 (17q21.33)MSI2 (17q22)::DHX40 (17q23.1)
MSI2 (17q22)::EFCAB5 (17q11.2)MSI2 (17q22)::HOXA9 (7p15.2)MSI2 (17q22)::ICAM2 (17q23.3)
MSI2 (17q22)::PCTP (17q22)MSI2 (17q22)::RAD51C (17q22)MSI2 (17q22)::SAP130 (2q14.3)
MSI2 (17q22)::SLC39A11 (17q24.3)MSI2 (17q22)::TEX2 (17q23.3)MSI2 (17q22)::WIPF2 (17q21.1)
MSI2 (17q22)::WIPF2 (17q21.2)MSI2 (17q22)::YPEL2 (17q22)MYO18A (17q11.2)::MSI2 (17q22)
NR2F2 (15q26.2)::MSI2 (17q22)SLC2A10 (20q13.12)::MSI2 (17q22)STAU2 (8q21.11)::MSI2 (17q22)
STXBP4 (17q22)::MSI2 (17q22)SYNGR2 (17q25.3)::MSI2 (17q22)TM2D2 (8p11.22)::MSI2 (17q22)
TRIM25 (17q22)::MSI2 (17q22)


Description The gene spans 424 kb.on plus strand; at least 15 exons.
Transcription alternate splicing; at least 3 transcripts, of which are transcripts of 1,6 and 2,1 kb.


Description 328 amino acids, 35 kDa, and 251 amino acidsThe Musashi (Msi) family genes possess 2 ribonucleoprotein (RNP or ribonucleo particle)-type RNA recognition motifs (RRMs) in the N-term; each RRM comprises 2 highly conserved sequences called RNP1 and RNP2. Heterogeneous nuclear ribonucleoparticle (hnRNP) proteins are nuclear proteins implicated in hnRNA (pre-mRNA transcript) processing; Msi2 and Msi1 have similar RNA-binding specificity.
Expression Ubiquitously expressed in various tissues; expressed predominently in precursor cells in the ventricular zone and subventricular zone of the central nervous system (CNS); in CNS stem cells during embryogenesis; in the postnatal and adult CNS, the expression of Msi2 and Msi1 disappear in most post mitotic or migrating cells, but is found in cells of the astrocyte lineage; coexpressed with Msi1.
Function RNA-binding protein. Some RNA-binding proteins are neural-specific. The development of neural cells from precursors may be partly regulated at the post-transcriptional level by mRNA stabilization or translational control in the cytoplasm. Msi2 may have a unique role in CNS stem cells through life.
Homology MSI1


Germinal Defective MSI2 might play a role in certain dementia (although this chromosomal region also contain several loci known to be involved in neurological disorders ( NF1 and others).
Somatic see below.

Implicated in

Entity Chronic myelogenous leukemia (CML) in accelerated phase (AP-CML) with either a and a HOXA9 / MSI2 hybrid gene, or a and a ? possible gene of the plexin family/MSI2 hybrid gene.
Hybrid/Mutated Gene 5' MSI2 - 3' HOXA9 in the t(7;17)(p15;q23)
Oncogenesis In the t(7;17)(p15;q23) the fusion protein contains, from N-term to C-term, the 2 RNA recognition motifs of MSI2 and the the IME and the homeobox domain of HOXA9


Vertebrate 2xRBD hnRNP proteins: a comparative analysis of genome, mRNA and protein sequences.
Akindahunsi AA, Bandiera A, Manzini G
Computational biology and chemistry. 2005 ; 29 (1) : 13-23.
PMID 15680582
A novel gene, MSI2, encoding a putative RNA-binding protein is recurrently rearranged at disease progression of chronic myeloid leukemia and forms a fusion gene with HOXA9 as a result of the cryptic t(7;17)(p15;q23).
Barbouti A, Höglund M, Johansson B, Lassen C, Nilsson PG, Hagemeijer A, Mitelman F, Fioretos T
Cancer research. 2003 ; 63 (6) : 1202-1206.
PMID 12649177
RNA-binding protein Musashi family: roles for CNS stem cells and a subpopulation of ependymal cells revealed by targeted disruption and antisense ablation.
Sakakibara S, Nakamura Y, Yoshida T, Shibata S, Koike M, Takano H, Ueda S, Uchiyama Y, Noda T, Okano H
Proceedings of the National Academy of Sciences of the United States of America. 2002 ; 99 (23) : 15194-15199.
PMID 12407178


This paper should be referenced as such :
Huret, JL
MSI2 (musashi homolog 2 (drosophila))
Atlas Genet Cytogenet Oncol Haematol. 2005;9(4):308-309.
Free journal version : [ pdf ]   [ DOI ]

Other Leukemias implicated (Data extracted from papers in the Atlas) [ 3 ]
  t(7;17)(p15;q23) MSI2::HOXA9
t(7;17)(q32-34;q23) MSI2::?
t(10;17)(q26;q22) CFAP46::MSI2

External links


HGNC (Hugo)MSI2   18585
Entrez_Gene (NCBI)MSI2    musashi RNA binding protein 2
GeneCards (Weizmann)MSI2
Ensembl hg19 (Hinxton)ENSG00000153944 [Gene_View]
Ensembl hg38 (Hinxton)ENSG00000153944 [Gene_View]  ENSG00000153944 [Sequence]  chr17:57257019-57633183 [Contig_View]  MSI2 [Vega]
ICGC DataPortalENSG00000153944
TCGA cBioPortalMSI2
AceView (NCBI)MSI2
Genatlas (Paris)MSI2
SOURCE (Princeton)MSI2
Genetics Home Reference (NIH)MSI2
Genomic and cartography
GoldenPath hg38 (UCSC)MSI2  -     chr17:57257019-57633183 +  17q22   [Description]    (hg38-Dec_2013)
GoldenPath hg19 (UCSC)MSI2  -     17q22   [Description]    (hg19-Feb_2009)
GoldenPathMSI2 - 17q22 [CytoView hg19]  MSI2 - 17q22 [CytoView hg38]
Genome Data Viewer NCBIMSI2 [Mapview hg19]  
Gene and transcription
Genbank (Entrez)AI416968 AI798817 AK093888 AK295060 AK297295
RefSeq transcript (Entrez)NM_001322250 NM_001322251 NM_138962 NM_170721
Consensus coding sequences : CCDS (NCBI)MSI2
Gene ExpressionMSI2 [ NCBI-GEO ]   MSI2 [ EBI - ARRAY_EXPRESS ]   MSI2 [ SEEK ]   MSI2 [ MEM ]
Gene Expression Viewer (FireBrowse)MSI2 [ Firebrowse - Broad ]
GenevisibleExpression of MSI2 in : [tissues]  [cell-lines]  [cancer]  [perturbations]  
BioGPS (Tissue expression)124540
GTEX Portal (Tissue expression)MSI2
Human Protein AtlasENSG00000153944-MSI2 [pathology]   [cell]   [tissue]
Protein : pattern, domain, 3D structure
UniProt/SwissProtQ96DH6   [function]  [subcellular_location]  [family_and_domains]  [pathology_and_biotech]  [ptm_processing]  [expression]  [interaction]
NextProtQ96DH6  [Sequence]  [Exons]  [Medical]  [Publications]
With graphics : InterProQ96DH6
Domaine pattern : Prosite (Expaxy)RRM (PS50102)   
Domains : Interpro (EBI)MSI_RRM1    MSI_RRM2    Nucleotide-bd_a/b_plait_sf    RBD_domain_sf    RRM_dom   
Domain families : Pfam (Sanger)RRM_1 (PF00076)   
Domain families : Pfam (NCBI)pfam00076   
Domain families : Smart (EMBL)RRM (SM00360)  
Conserved Domain (NCBI)MSI2
PDB (RSDB)6C8U    6DBP    6NTY   
PDB Europe6C8U    6DBP    6NTY   
PDB (PDBSum)6C8U    6DBP    6NTY   
PDB (IMB)6C8U    6DBP    6NTY   
Structural Biology KnowledgeBase6C8U    6DBP    6NTY   
SCOP (Structural Classification of Proteins)6C8U    6DBP    6NTY   
CATH (Classification of proteins structures)6C8U    6DBP    6NTY   
AlphaFold pdb e-kbQ96DH6   
Human Protein Atlas [tissue]ENSG00000153944-MSI2 [tissue]
Protein Interaction databases
IntAct (EBI)Q96DH6
Ontologies - Pathways
Ontology : AmiGORNA binding  protein binding  cytoplasm  cytosol  polysome  poly(U) RNA binding  identical protein binding  intracellular membrane-bounded organelle  stem cell development  
Ontology : EGO-EBIRNA binding  protein binding  cytoplasm  cytosol  polysome  poly(U) RNA binding  identical protein binding  intracellular membrane-bounded organelle  stem cell development  
Pathways : KEGGmRNA surveillance pathway   
NDEx NetworkMSI2
Atlas of Cancer Signalling NetworkMSI2
Wikipedia pathwaysMSI2
Orthology - Evolution
GeneTree (enSembl)ENSG00000153944
Phylogenetic Trees/Animal Genes : TreeFamMSI2
Homologs : HomoloGeneMSI2
Homology/Alignments : Family Browser (UCSC)MSI2
Gene fusions - Rearrangements
Fusion : MitelmanATP6V0A1::MSI2 [17q21.2/17q22]  
Fusion : MitelmanKSR1::MSI2 [17q11.1/17q22]  
Fusion : MitelmanMSI2::DHX40 [17q22/17q23.1]  
Fusion : MitelmanMSI2::EFCAB5 [17q22/17q11.2]  
Fusion : MitelmanMSI2::HOXA9 [17q22/7p15.2]  
Fusion : MitelmanMSI2::ICAM2 [17q22/17q23.3]  
Fusion : MitelmanMSI2::TEX2 [17q22/17q23.3]  
Fusion : MitelmanMSI2::WIPF2 [17q22/17q21.1]  
Fusion : MitelmanMYO18A::MSI2 [17q11.2/17q22]  
Fusion : MitelmanNR2F2::MSI2 [15q26.2/17q22]  
Fusion : MitelmanSTAU2::MSI2 [8q21.11/17q22]  
Fusion : MitelmanSYNGR2::MSI2 [17q25.3/17q22]  
Fusion : MitelmanTM2D2::MSI2 [8p11.22/17q22]  
Fusion : QuiverMSI2
Polymorphisms : SNP and Copy number variants
NCBI Variation ViewerMSI2 [hg38]
dbSNP Single Nucleotide Polymorphism (NCBI)MSI2
Exome Variant ServerMSI2
GNOMAD BrowserENSG00000153944
Varsome BrowserMSI2
ACMGMSI2 variants
Genomic Variants (DGV)MSI2 [DGVbeta]
DECIPHERMSI2 [patients]   [syndromes]   [variants]   [genes]  
CONAN: Copy Number AnalysisMSI2 
ICGC Data PortalMSI2 
TCGA Data PortalMSI2 
Broad Tumor PortalMSI2
OASIS PortalMSI2 [ Somatic mutations - Copy number]
Cancer Gene: CensusMSI2 
Somatic Mutations in Cancer : COSMICMSI2  [overview]  [genome browser]  [tissue]  [distribution]  
Somatic Mutations in Cancer : COSMIC3DMSI2
Mutations and Diseases : HGMDMSI2
LOVD (Leiden Open Variation Database)[gene] [transcripts] [variants]
DgiDB (Drug Gene Interaction Database)MSI2
DoCM (Curated mutations)MSI2
CIViC (Clinical Interpretations of Variants in Cancer)MSI2
NCG (London)MSI2
Impact of mutations[PolyPhen2] [Provean] [Buck Institute : MutDB] [Mutation Assessor] [Mutanalyser]
Genetic Testing Registry MSI2
NextProtQ96DH6 [Medical]
Target ValidationMSI2
Huge Navigator MSI2 [HugePedia]
Clinical trials, drugs, therapy
Protein Interactions : CTDMSI2
Pharm GKB GenePA38590
Clinical trialMSI2
DataMed IndexMSI2
PubMed117 Pubmed reference(s) in Entrez
GeneRIFsGene References Into Functions (Entrez)
REVIEW articlesautomatic search in PubMed
Last year publicationsautomatic search in PubMed

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indexed on : Fri Oct 8 21:22:59 CEST 2021

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