MLLT1 (myeloid/lymphoid or mixed-lineage leukemia (trithorax homolog, Drosophila); translocated to, 1)

1997-12-01   Jean-Loup Huret 

Genetics, Dept Medical Information, University of Poitiers, CHU Poitiers Hospital, F-86021 Poitiers, France

Identity

HGNC
MLLT1
LOCATION
19p13.3
LOCUSID
4298
FUSION GENES
Show Gene Fusions

DNA/RNA

Transcription

4.7 kb mRNA; coding sequence: 1.7 kb

Proteins

Description

559 amino acids; 62 kDa; serine/proline rich protein; contains a nuclear targeting sequence and a consensus sequence for ATP/GTP binding

Expression

wide

Localisation

nuclear

Function

transcription activator

Homology

with AF9

Implicated in

Entity name
t(11.19)(q23;p13.3) /acute leukaemias --> KMT2A - MLLT1
Disease
ALL (CD19+), biphenotypic AL, AML (M4/M5); mainly congenital; treatment related leukaemia
Prognosis
very poor, except in rare T-cell cases
Cytogenetics
detected with G banding
Hybrid gene
5 MLL - 3 ENL
Fusion protein
AT hook and DNA methyltransferase from MLL fused to, most often, the nearly entire ENL

Bibliography

Pubmed IDLast YearTitleAuthors

Other Information

Locus ID:

NCBI: 4298
MIM: 159556
HGNC: 7134
Ensembl: ENSG00000130382

Variants:

dbSNP: 4298
ClinVar: 4298
TCGA: ENSG00000130382
COSMIC: MLLT1

RNA/Proteins

Gene IDTranscript IDUniprot
ENSG00000130382ENST00000252674Q03111

Expression (GTEx)

0
50
100
150
Adipose - Subcutaneous
Adipose - Visceral
Adrenal Gland
Artery - Aorta
Artery - Tibial
Bladder
Brain - Amygdala
Brain - Anterior cingulate cortex
Brain - Caudate
Brain - Cerebellar Hemisphere
Brain - Cerebellum
Brain - Cortex
Brain - Frontal Cortex
Brain - Hippocampus
Brain - Hypothalamus
Brain - Nucleus accumbens
Brain - Putamen
Brain - Spinal cord
Brain - Substantia nigra
Breast - Mammary Tissue
Cells - Cultured fibroblasts
Cells - EBV - transformed lymphocytes
Cervix - Ectocervix
Cervix - Endocervix
Colon - Sigmoid
Colon - Transverse
Esophagus - Gastroesophageal Junction
Esophagus - Mucosa
Esophagus - Muscularis
Fallopian Tube
Heart - Atrial Appendage
Heart - Left Ventricle
Kidney - Cortex
Kidney - Medulla
Liver
Lung
Minor Salivary Gland
Muscle - Skeletal
Nerve - Tibial
Ovary
Pancreas
Pituitary
Prostate
Skin - Not Sun Exposed
Skin - Sun Exposed
Small Intestine - Terminal Ileum
Spleen
Stomach
Testis
Thyroid
Uterus
Vagina
Whole Blood

Pathways

PathwaySourceExternal ID
Transcriptional misregulation in cancerKEGGko05202
Transcriptional misregulation in cancerKEGGhsa05202
Gene ExpressionREACTOMER-HSA-74160
RNA Polymerase II TranscriptionREACTOMER-HSA-73857
RNA Polymerase II Pre-transcription EventsREACTOMER-HSA-674695
RNA Polymerase II Transcription ElongationREACTOMER-HSA-75955
Formation of RNA Pol II elongation complexREACTOMER-HSA-112382

Protein levels (Protein atlas)

Not detected
Low
Medium
High
cerebral cortex
cerebellum
hippocampus
caudate
thyroid gland
parathyroid gland
adrenal gland
nasopharynx
bronchus
lung
oral mucosa
salivary gland
esophagus
stomach 1
stomach 2
duodenum
small intestine
colon
rectum
liver
gallbladder
pancreas
kidney
urinary bladder
testis
epididymis
seminal vesicle
prostate
vagina
ovary
fallopian tube
endometrium 1
endometrium 2
cervix, uterine
placenta
breast
heart muscle
smooth muscle
skeletal muscle
soft tissue 1
soft tissue 2
adipose tissue
skin 1
skin 2
appendix
spleen
lymph node
tonsil
bone marrow

References

Pubmed IDYearTitleCitations
203796142010Personalized smoking cessation: interactions between nicotine dose, dependence and quit-success genotype score.62
259210702015Transcriptional elongation factor ENL phosphorylated by ATM recruits polycomb and switches off transcription for DSB repair.59
282411412017ENL links histone acetylation to oncogenic gene expression in acute myeloid leukaemia.32
126655912003Novel SWI/SNF chromatin-remodeling complexes contain a mixed-lineage leukemia chromosomal translocation partner.26
254561272014Hematopoietic stem cells are intrinsically protected against MLL-ENL-mediated transformation.19
236234992013MLL-ENL inhibits polycomb repressive complex 1 to achieve efficient transformation of hematopoietic cells.13
266352032015MLLT1 YEATS domain mutations in clinically distinctive Favourable Histology Wilms tumours.11
164339012006Simultaneous localization of MLL, AF4 and ENL genes in interphase nuclei by 3D-FISH: MLL translocation revisited.8
172520162007Spliced MLL fusions: a novel mechanism to generate functional chimeric MLL-MLLT1 transcripts in t(11;19)(q23;p13.3) leukemia.7
201138342010Three-way translocation involving MLL, MLLT1, and a novel third partner, NRXN1, in a patient with acute lymphoblastic leukemia and t(2;19;11) (p12;p13.3;q23).5

Citation

Jean-Loup Huret

MLLT1 (myeloid/lymphoid or mixed-lineage leukemia (trithorax homolog, Drosophila); translocated to, 1)

Atlas Genet Cytogenet Oncol Haematol. 1997-12-01

Online version: http://atlasgeneticsoncology.org/gene/9/js/lib/haematological-explorer/