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Table 3 Mutations and diagnoses among children with elevated plasma C-triol and/or ChT

From: Oxysterol/chitotriosidase based selective screening for Niemann-Pick type C in infantile cholestasis syndrome patients

Patient No.

C-triol

ChT

Mutations identified

Main diagnosis

Group 1

 1

57.8

0

JAG1: c.2384delG (p.G795 fs)

ClinVar SUB5165272

Alagille syndrome

 2

56.6

224

LARS: rs34823161 (c.3077A > G, Tyr1026Cys)

Clinical significance not clear (could not be a cause of an autosomal recessive disorder)

 3

55.0

27

ABCB11: rs72549402 (c.1445A > G, Asp482Gly) and rs1459273753 (c.2178 + 1G > A)

Byler disease, compound heterozygosity confirmed

 4

9.9

126

Not found

Cholestatic liver disease, NOS aetiology

 5

5.8

166

Not found

Cholestatic liver disease, NOS aetiology

 6

48.0

407

Not found

Biliary atresia

 7

16.6

253

Not found

Biliary atresia

 8

9.8

258

Not found

Biliary atresia

 9

7.6

469

Not found

Biliary atresia

Group 2

 10

97.6

1056

NPC1: rs886053665 (c.2090 T > C, Val697Ala) and rs786200877 (c.3591 + 1G > A)

NP-C, compound heterozygosity confirmed

  1. NOS not otherwise specified. Normal central laboratory values for plasma C-triol 0–50 ng/ml and ChT 2.5–100 nM/h/ml