Case#: Patient 32, male, Han origin, 1 year 5 months old (age at diagnosis)

DiseaseAssertion: MPS1-H

FamilyInfo: N/A

CasePresentingHPOs: Global Developmental Delay, Macrocephaly, Joint stiffness, Mongolian macula, Hepatosplenomegaly, Hernia, Airway obstruction (HP:0001263, HP:0000256, HP:0001387, HP:0011369, HP:0001433, HP:0100790, HP:0006536)

CaseHPOFreeText: Cardiac disease

CaseNotHPOs: N/A

CaseNotHPOFreeText: N/A

CaseEnzymeAssay: IDUA activity 1.0 nmol/h/mg protein. The normal range in Chinese controls was found to be 27.2–52 nmol/h/mg protein.

CaseUrineGAGs: Diagnosis was confirmed biochemically by the demonstration of an increased excretion of urinary dermatan sulfate and heparan sulfate.

CaseERT: N/A

CaseBMT: N/A

Variant1: c.1146dupG (Paper refers to the variant as c.1147dupG, there is a typo in the article where all duplication variants are one base pair off)

Variant1ClinVarID: N/A

Variant1CAID: CA2586965958

Variant2: c.46_57del12 (p.Ser16_Ala19del)

Variant2ClinVarID: 92643

Variant2CAID: CA220509

AdditionalVariants: N/A

ParentalGenotype: The transmission of sequence variations found in each patient was inferred by sequencing the corresponding exons of the patient's parents - confirmed in trans by parental testing.

PreviouslyPublished N/A