Table 1 Clinical, biochemical and molecular characteristics of patients, before treatment.

From: Growth Differentiation Factor 15 is a potential biomarker of therapeutic response for TK2 deficient myopathy

CLINICAL FORM

ID

SEX

AGE AT ONSET

BMI

WALK INDEPENDENTLY (Y/N)

MECHANICAL VENTILATION (Y/N)

PEG (Y/N)

GENOTYPE (Allele 1/Allele 2)

DEPLETION (relative to normal)

MULTIPLE DELETIONS (Y/N)

CK (UI/l)

BASAL GDF-15 (pg/mL)

BASAL FGF-21 (pg/mL)

GROUP 1 (started treatment <16)

1

F

23 m

<P3

N

N

N

p.Lys202del/p.Asp177Tyr

25%

N

1183

15.000

1373

2

M

30 m

<P3

N

Y

NGT

p.His121Asn/p.His12Asn

50%

Y

538

4608

402

3

M

17 m

P3

N

Y

NGT

p.Tyr208Cys/p.Arg130Trp

15%

N

148

14756

3013

4

M

15 m

<P3

N

Y

N

p.His121Asn/p.Arg192Lys

13%

N

284

ND

ND

5

M

13 m

<P3

N

Y

NGT

p.Thr108Met/Leu215Pro

ND

ND

872

21641

4088

6

M

13 m

<P3

N

Y

NGT

p.Thr108Met/Leu215Pro

ND

ND

949

22767

3244

7

M

13 m

<P3

N

N

N

p.Lys85*/p.Pro154Leu

ND

ND

921

27066

7531

8

M

24 m

ND

ND

ND

ND

p.Thr108Met/p.Thr108Met

ND

ND

285

4597

ND

9

M

31 m

ND

ND

ND

ND

p.Thr108Met/p.Thr108Met

8%

ND

626

6825

ND

10

F

3 y

P3

Y

Y

NGT

p.Asn58Ser/p.Asn58Ser

ND

ND

1789

4797

809

11

M

3 y

P50

Y

N

N

p.Asn58Ser/p.Asn58Ser

ND

ND

1036

2641

398

12

F

2 y

P50

Y

N

N

p.His121Asn/p.Arg183Trp

ND

ND

460

3686

786

13

F

2 y

P50

Y

N

N

p.His121Asn/p.Arg183Trp

ND

ND

945

3841

471

14

M

3 y

P3

N

Y

N

p.His121Asn/p.Arg183Trp

ND

ND

184

5006

1057

15

F

6 y

<P3

Y

N

N

p.Asn58Ser/p.Asn58Ser

ND

ND

742

2781

595

GROUP 2 (started treatment >16)

16

F

 > 12 y

13.86

Y

Y

N

p.Thr108Met/p.Thr108Met

17%

Y

2435

2423

666

17

M

50 y

27.7

Y

Y

N

p.Lys202del/p.Lys202del

66%

Y

357

1529

252

18

F

30 y

27.12

Y

Y

N

p.Lys202del/p.Lys202del

60%

Y

294

1695

353

19

F

20 y

17.79

Y

Y

Y

p.Thr108Met/p.Thr108Met

39%

Y

303

2439

197

20

F

60 y

26.01

Y

Y

N

p.Lys202del/p.Lys202del

ND

ND

647

2483

897

21

M

30 y

23.7

Y

N

N

p.Lys202del/p.Lys202del

ND

Y

350

1640

185

22

F

5 y

26.17

Y

Y

N

p.Thr108Met/p.Thr108Met

ND

Y

548

2149

943

23

F

30 y

ND

Y

Y

N

p.Thr108Met/p.Thr108Met

53%

Y

233

1261

190

24

F

20 y

20,5

Y

Y

GT

p.Lys202del/p.Ala420Val

ND

ND

1142

1979

179

25

F

50 Y

28,7

Y

Y

N

p.Lys202del/p.Lys202del

ND

Y

405

ND

ND

26

F

14 Y

24,5

Y

Y

N

p.Thr108Met/p.Thr108Met

19%

Y

425

ND

ND

  1. BMI, body-mass index; CK, creatine kinase; F, female; GDF-15, differentiation growth factor 15; M, male; m, months; ND, not determined; NGT, nasogastric tube; N, No; P, percentile; PEG, percutaneous endoscopic gastrostomy; y, years; Y, yes.