Table 1 Clinical and genetic features of patients with MEF2D-rearranged ALL.

From: Genomic analyses identify recurrent MEF2D fusions in acute lymphoblastic leukaemia

Sample ID

Fusion

Age

WBC

Sex

Karyotype

SNP results

SJBALL013388

MEF2D-BCL9 a

10.0

45.4

Female

NA

NA

SJBALL016252

MEF2D-BCL9 a

14.0

42

Female

NA

NA

SJBALL016291

MEF2D-BCL9 a

10.0

23

Male

NA

NA

SJBALL020667

MEF2D-BCL9 a

14.8

39

Female

NA

No MEF2D change

SJBALL020703

MEF2D-BCL9 a

14.2

38

Female

46,XX,del(9)(p22)x2[10]/45,idem,−del(9),+der(9;17)(q10;q10),−17[6]/46,idem,−del(9),+mar[4]

No MEF2D change

SJBALL020711

MEF2D-BCL9 b

13.9

96.4

Male

NA

Focal gains at MEF2D and BCL9

SJBALL020906

MEF2D-BCL9 b

15.1

9.1

Male

NA

Deletion between BCL9 and MEF2D

SJCOGALL010235

MEF2D-BCL9 a

13.5

82.7

Female

46,XX,dup(1)(q24q31),i(7)(q10),del(9)(p21p24),add(18)(q21)[8]/46,XX,dup(1)(q24q31),add(9)(p22),del(9)(p21p24),del(10)(p13p14)[7]/46,XX[4]

NA

SJBALL014169

MEF2D-BCL9 b

21.3

20.9

Female

46,XX,del(12)(p11.2)[2]/45,XX,−9,del(12)(p11.2)[15] /45,XX,−11[1]

NA

SJBALL020917

MEF2D-HNRNPUL1

11.9

3.5

Female

46,XX,del(13)(q12q32)[24]/46,XX[6]

Focal gains at MEF2D and HNRNPUL1

SJBALL020967

MEF2D-BCL9 b

16.3

27

Female

46,X,t(X;6;15)(q22;p21;q13),−2,add(9)(p13),del(9)(p13p22),der(?)t(?;2)(?;q13)[4]/89,idemx2,−7,−del(9),−11[5]/46,XX[11]

Focal gains at MEF2D and BCL9

SJBALL020964

MEF2D-HNRNPUL1

17.6

10.8

Male

46,XY,dup(2)(q31q33),del(12)(p11.2)[22]

Focal gain at HNRNPUL1

SJBALL016275

MEF2D-BCL9 c

15.0

61.9

Male

NA

NA

SJBALL016306

MEF2D-BCL9 c

12.0

61.9

Female

NA

NA

SJCOGALL010915

MEF2D-BCL9 c

14.0

7.4

Male

48,XY,add(3)(q11.2),+8,del(8)(p11.1),add(12)(p11.2),+mar[11]/94,idemx2,−8,−8,−21,+mar[6]/46,XY[2]

NA

SJCOGALL010884

MEF2D-BCL9 d

13.8

107

Female

46,XX,add(9)(p13)[1]/46,idem,dup(1)(q12q42)[5]/46,XX[14]

NA

SJBALL020987

MEF2D-BCL9 a

18.5

22.5

Female

46,XX,del(9)(p13),t(10;14)(q23;q11.2)[17]/46,XX[1]

No MEF2D change

SJBALL021005

MEF2D-BCL9 a

17.6

9.4

Male

NA

Deletion at MEF2D, and adjacent gain to BCL9

SJCOGALL010859

MEF2D-HNRNPUL1

7.6

21.8

Female

46,XX,add(7)(q11.2),add(9)(p13)[8]/46,XX[5]

NA

SJBALL016286

MEF2D-SS18

9.0

28.1

Female

NA

NA

SJBALL020141

MEF2D-DAZAP1 *

35.0

5.4

Male

NA

Gain from MEF2D to 1cent; Gain from 19p to DAZAP1

SJBALL015117

MEF2D-CSF1R

48.0

 

Female

NA

NA

  1. NA, not available; SNP, single-nucleotide polymorphism.
  2. Age is shown in years. WBC, peripheral blood leukocyte count at diagnosis, shown as 109/l−1.
  3. Four different isoforms of MEF2D-BCL9 fusions were detected in 16 samples, as denoted by the superscript letters a–d.
  4. *Previously reported26.
  5. Previously reported3.