t(12;21)(p13;q22) ETV6/RUNX1

1997-08-01   Jean-Loup Huret  , Alain Bernheim  , Jean-Loup Huret  

1.Laboratoire de Cytogénétique, UMR 1599 CNRS, Institut Gustave Roussy, 94805 Villejuif, France
2.Laboratoire de Cytogénétique, UMR 1599 CNRS, Institut Gustave Roussy, 94805 Villejuif, France

Clinics and Pathology

Disease

B cell ALL

Phenotype stem cell origin

L1 and L2, CD10+

Epidemiology

15 to 35% of paediatric B-lineage ALL: so far the mostfrequent translocation in this group; rare or absent in adults and ininfants; age: children; no case >20 yrs so far; male and female equallyrepresented

Clinics

standard ALL

Prognosis

CR in all cases; prognosis seems good

Cytogenetics

Cytogenetics morphological

t(12;21) often remained undetected

Cytogenetics molecular

easily detected by chromosomes 12 and 21 painting orspecific probes

Additional anomalies

frequent del(12)(p12) on the other chromosome; in rarecases duplication of der(21)t(12;21); looks like a +21

Variants

t(6;12;21), t(3;12;21)

Genes Involved and Proteins

Gene name
ETV6 (ets variant 6)
Location
12p13.2
Protein description
contains a HLH domain and a ETS-DNA binding domain;contains a Runt domain and, in the C-term, a
Gene name
RUNX1 (runt-related transcription factor 1 (acute myeloid leukemia 1; aml1 oncogene))
Location
21q22.12
Dna rna description
transcription is from telomere to centromere
Protein description
transactivation domain; forms heterodimers; widely expressed; nuclear
Protein description
localisation; transcription factor (activator) for various
Protein description
hematopoietic-specific genes

Result of the Chromosomal Anomaly

Atlas Image
ETV6 (TEL) and RUNX1 (AML1) breakpoints in the t(12;21) / 5 ETV6 - 3 RUNX1 fusion gene - Courtesy Hossein Mossafa.

Description

TEL-AML1 chimaeric gene; 5 centromere to 3 telomere orientation

Transcript

the fusion transcript on chromosome 21 TEL -AML1 is the crucialone; the AML1-TEL transcript is absent in some cases; the other TEL alleleis often deleted.

Detection protocole

RT-PCR of the fusion transcript

Description

Helix loop helix of TEL fused to the nearly entire AML1

Description

protein, comprising the Runt domain and the transactivation domain

Highly cited references

Pubmed IDYearTitleCitations
288198642018Molecular processes involved in B cell acute lymphoblastic leukaemia.274
321172722020Neoantigens in Hematologic Malignancies.183
305426242018Translocations involving ETS family proteins in human cancer.169
340104072021Toward prevention of childhood ALL by early-life immune training.166
350046012021Risk Factors for Childhood Leukemia: Radiation and Beyond.140
228239772012Myeloid malignancies: mutations, models and management.137
389999552024The Role of the JAK-STAT Pathway in Childhood B-Cell Acute Lymphoblastic Leukemia.130
352947222022In Utero Development and Immunosurveillance of B Cell Acute Lymphoblastic Leukemia.124
284189092017Pathogenesis of ETV6/RUNX1-positive childhood acute lymphoblastic leukemia and mechanisms underlying its relapse.117
384907652024Germline predisposition to myeloid neoplasms: Characteristics and management of high versus variable penetrance disorders.113
367666992023The Landscape of Secondary Genetic Rearrangements in Pediatric Patients with B-Cell Acute Lymphoblastic Leukemia with t(12;21).110
406345092025Genomic determinants of therapy response in ETV6::RUNX1 leukemia.109
330389822020Molecular markers in ALL: Clinical implications.107
260857162015Prognostification of ALL by Cytogenetics.99
317237812018Advances in B-cell Precursor Acute Lymphoblastic Leukemia Genomics.98
410093422025Age-Driven Genetic and Epigenetic Heterogeneity in B-ALL.95
387773702024A multiomic characterization of the leukemia cell line REH using short- and long-read sequencing.88
308420582019Comparative features and outcomes between paediatric T-cell and B-cell acute lymphoblastic leukaemia.83
407252492025Identification of Molecular Subtypes of B-Cell Acute Lymphoblastic Leukemia in Mexican Children by Whole-Transcriptome Analysis.83
381363662023Generation of a Zebrafish Knock-In Model Recapitulating Childhood ETV6::RUNX1-Positive B-Cell Precursor Acute Lymphoblastic Leukemia.83
363508272023ETV6 Deficiency Unlocks ERG-Dependent Microsatellite Enhancers to Drive Aberrant Gene Activation in B-Lymphoblastic Leukemia.82
319020362020Insights into the prenatal origin of childhood acute lymphoblastic leukemia.82
317678392019Identification of four novel associations for B-cell acute lymphoblastic leukaemia risk.81
330745272020Precision medicine in acute lymphoblastic leukemia.78
370199902023The KMT2A recombinome of acute leukemias in 2023.76
389681492024Single-cell genomics details the maturation block in BCP-ALL and identifies therapeutic vulnerabilities in DUX4-r cases.74
370199722023Etiology of oncogenic fusions in 5,190 childhood cancers and its clinical and therapeutic implication.71
309443212019Proteogenomics and Hi-C reveal transcriptional dysregulation in high hyperdiploid childhood acute lymphoblastic leukemia.70
317799732019How advanced are we in targeting novel subtypes of ALL?68
320298382020Clinicopathological features and prognostic value of SOX11 in childhood acute lymphoblastic leukemia.66
386331212024Gene expression prognostic of early relapse risk in low-risk B-cell acute lymphoblastic leukaemia in children.64
388445782024ETV6::RUNX1 Acute Lymphoblastic Leukemia: how much therapy is needed for cure?62
347539262021Cancer drivers and clonal dynamics in acute lymphoblastic leukaemia subtypes.60
366702352023Disruption to the FOXO-PRDM1 axis resulting from deletions of chromosome 6 in acute lymphoblastic leukaemia.60
272658952016Identification of ETV6-RUNX1-like and DUX4-rearranged subtypes in paediatric B-cell precursor acute lymphoblastic leukaemia.59
374698022023Optical Genome Mapping Identifies Novel Recurrent Structural Alterations in Childhood ETV6::RUNX1+ and High Hyperdiploid Acute Lymphoblastic Leukemia.59
347271702022Decreased IL-10 accelerates B-cell leukemia/lymphoma in a mouse model of pediatric lymphoid leukemia.58
398808322025Molecular and pharmacological heterogeneity of ETV6::RUNX1 acute lymphoblastic leukemia.55
274317632016Transcription-coupled genetic instability marks acute lymphoblastic leukemia structural variation hotspots.54
368486372023Classification and genetics of pediatric B-other acute lymphoblastic leukemia by targeted RNA sequencing.53
288549782017The neoepitope landscape in pediatric cancers.53
418136672026Targeting oncogene-induced senescence in ETV6::RUNX1 pre-leukemic cells.53
336463062021Genome-wide interference of ZNF423 with B-lineage transcriptional circuitries in acute lymphoblastic leukemia.52
359635212022Sequential Approach to Improve the Molecular Classification of Childhood Acute Lymphoblastic Leukemia.52
326934092021Molecular basis of ETV6-mediated predisposition to childhood acute lymphoblastic leukemia.50
355629652022Multi-Cohort Transcriptomic Subtyping of B-Cell Acute Lymphoblastic Leukemia.49
395550632024WBP1L regulates hematopoietic stem cell function and T cell development.48
290294922017GATA2 regulates the erythropoietin receptor in t(12;21) ALL.48
394982932024Potential molecular mechanisms of ETV6-RUNX1-positive B progenitor cell cluster in acute lymphoblastic leukemia revealed by single-cell RNA sequencing.48
393166532025Outcomes in patients with ETV6::RUNX1 or high-hyperdiploid B-ALL treated in the St. Jude Total Therapy XV/XVI studies.46
366583892023Whole genome sequencing provides comprehensive genetic testing in childhood B-cell acute lymphoblastic leukaemia.46
377947952024Susceptibility of pediatric acute lymphoblastic leukemia to STAT3 inhibition depends on p53 induction.45
390701532024Clinical Characteristics and Cytogenetics of Childhood Acute Lymphoblastic Leukemia in a Single Center in Pakistan.44
222371062012The genetic basis of early T-cell precursor acute lymphoblastic leukaemia.43
384262822024B-cell precursor acute lymphoblastic leukemia elicits an interferon-α/β response in bone marrow-derived mesenchymal stroma.43
283875842017Deregulation of the non-coding genome in leukemia.42
356859212022Low Prevalence of ETV6::RUNX1 Fusion Gene in a Hispanic Population.40
398515422025Imaging Flow Cytometric Identification of Chromosomal Defects in Paediatric Acute Lymphoblastic Leukaemia.32
292542792017Modeling the process of childhood ETV6-RUNX1 B-cell leukemias.31
285484702017Whole-Exome Sequencing of ETV6/RUNX1 in Four Childhood Acute Lymphoblastic Leukaemia Cases.29
318454802020Transmembrane adaptor protein WBP1L regulates CXCR4 signalling and murine haematopoiesis.26
314561642019MLPA as a complementary tool for diagnosis of chromosome 21 aberrations in childhood BCP-ALL.26
392596642025The significance of CD49f expression in pediatric B-cell acute lymphoblastic leukemia.25
339879552021RAG1 co-expression signature identifies ETV6-RUNX1-like B-cell precursor acute lymphoblastic leukemia in children.22
310851452019CD9 predicts ETV6-RUNX1 in childhood B-cell precursor acute lymphoblastic leukemia.22
348193032022Hi-C detects genomic structural variants in peripheral blood of pediatric leukemia patients.21
385278382024[Use of the ETV6/RUNX1 probe to verify the performance of the fluorescence in situ hybridization probe before clinical detection].18
345357622022ETV6-RUNX1 and RUNX1 directly regulate RAG1 expression: one more step in the understanding of childhood B-cell acute lymphoblastic leukemia leukemogenesis.15
367413562023Cytokine Hyperresponsiveness in Children With ETV6::RUNX1-positive Acute Lymphoblastic Leukemia After Challenge With Common Pathogens.15
382430882024Ontogeny shapes the ability of ETV6::RUNX1 to enhance hematopoietic stem cell self-renewal and disrupt early lymphopoiesis.15
301682452018A triple-probe FISH screening strategy for risk-stratified therapy of acute lymphoblastic leukaemia in low-resource settings.12
341906882021Dicentric (7;12)(p11;p11) in T/Myeloid Mixed-Phenotype Acute Leukemia.11
275367762016Gene Signature of High White Blood Cell Count in B-Precursor Acute Lymphoblastic Leukemia.11
365380462023ETS Fight Club on Microsatellite Enhancers.10
360450622023First Case of ETV6-RUNX1 Fusion in Adult De Novo Acute Myeloid Leukemia Detected Using Targeted RNA Sequencing.10
291082202017Minimal residual disease in pediatric ALL.8
388246532024ETV6::RUNX1-like Acute Lymphoblastic Leukemia.0
282996592017Mechanism of ETV6-RUNX1 Leukemia.0
371203502023Emerging molecular subtypes and therapies in acute lymphoblastic leukemia.0
282996602017ETV6-RUNX1 (+) Acute Lymphoblastic Leukaemia in Identical Twins.0
347326182021[Down syndrome and acute lymphoblastic leukemia].0
374073632023Transcription factor abnormalities in B-ALL leukemogenesis and treatment.0
380491522023FLT3 Gene Involvement in B-cell Acute Lymphoblastic Leukemia (B-ALL).0
371578492023Cannibalism in an ETV6::RUNX1 paediatric B acute lymphoblastic leukaemia.0
382153902024CD371-positive pediatric B-cell acute lymphoblastic leukemia: propensity to lineage switch and slow early response to treatment.0
287788632017New oncogenic subtypes in pediatric B-cell precursor acute lymphoblastic leukemia.0
155616782004The molecular basis of leukemia.0
385884892024Mutational and transcriptional landscape of pediatric B-cell precursor lymphoblastic lymphoma.0
355068732022Apparent coexistence of ETV6::RUNX1 and KMT2A::MLLT3 fusions due to a nonproductive KMT2A rearrangement in B-ALL.0
280633782017Overexpression of PTP4A3 in ETV6-RUNX1 acute lymphoblastic leukemia.0
383411182024Long noncoding RNA expression in acute lymphoblastic leukemia: A systematic review.0
381753762023Mixed-phenotype acute leukemia, T/megakaryoblastic: does it really exist?0
251506252015Concordant B-cell precursor acute lymphoblastic leukemia in non-twinned siblings.0
328988632021Identification of functional cooperative mutations of GNAO1 in human acute lymphoblastic leukemia.0
332456842020Role of rs10406069 in miR-5196 in hyperdiploid childhood acute lymphoblastic leukemia.0
345974662022Clonal dynamics in pediatric B-cell precursor acute lymphoblastic leukemia with very early relapse.0
395924702024Recurrent PAX5::ZCCHC7 rearrangement in B-cell acute lymphoblastic leukemia.0
276984472017Long-term outcome of 6-month maintenance chemotherapy for acute lymphoblastic leukemia in children.0
111738302000Fusion genes in leukemia: an emerging network.0
375514652023[Leukemia Genotype Analysis of Children with Acute Lymphoblastic Leukemia in Yunnan Area].0

Bibliography

No bibliography items were found for this article.

Summary

Fusion gene

ETV6/RUNX1 ETV6 (12p13.2) RUNX1 (21q22.12) M +der(21)t(12;21)(p13;q22) del(12)(p13p13) ins(12;21)(p13;q22q22) t(11;12;21)(q14;p13;q22) t(12;21)(p13;q22) t(2;12;21)(q33;p13;q22)|ETV6/RUNX1 ETV6 (12p13.2) RUNX1 (21q22.12) TIC
Atlas Image
t(12;21)(p13;q22) ETV6/RUNX1 Top : Hybridization with Vysis LSI ETV6/RUNX1 dual color probe (Abbott Molecular, US) showing fused yellow signals on der(12) and der(21) chromosomes (A) and with simultaneous ETV6 deletion (B) - Courtesy Adriana Zamecnikova. t(12;21)(p13;q22) R- bandind and FISH - Courtesy Hossein Mossafa.

Citation

Jean-Loup Huret ; Alain Bernheim ; Jean-Loup Huret

t(12;21)(p13;q22) ETV6/RUNX1

Atlas Genet Cytogenet Oncol Haematol. 1997-08-01

Online version: http://atlasgeneticsoncology.org/haematological/1073/t(12