Table 1 Clinical information of MPS II patient.

From: Single-cell RNA sequencing reveals important role of monocytes and macrophages during mucopolysaccharidosis treatment

Basic Information

Sex

Male

Onset age

2 years old

Diagnosis age

10 years old 2 months

Diagnosis date

January 2022

Clinical manifestation

Coarse faces: macrocephaly, prominent forehead, thick hair, blunt nasal tip, and thick lips

Dysostosis multiplex: claw hands, joint stiffness/contracture/ enlargement, short stature

Nervous system: intelligence Regression, behavioral abnormalities, disturbed sleep, epilepsy, IQ/DQ assessment was not completed, FMFM98points (98/183, 66.42%), GMFM203points (203/260, 78.00%)

Ear-nose-throat and mouth: airway obstruction, tonsil/adenoid hypertrophy, snoring, recurrent respiratory infections

Cardiovascular system: the aortic valves regurgitation, ventricular hypertrophy and heart failure

Digestive system: abdominal distension, evident hepatosplenomegaly

UGAGs (DMB)

+

IDS(DBS)

0.00(>1.500 nmol/h/mL)

WGS

IDS (c.1033delT)

Clinical classification

Severe

ERT start time

April 7th, 2022

ERT start time

April 28th, 2022

 

MPS1: before ERT

MPS2: after ERT

Assessment age

10-years-old 2months

10-years-old 6months

Clinical manifestation

 Respiratory infection

2–3/month

1/month

 Seizures

Up to 7 times a day

Absent

 Sleep quality

Unable to sleep on back, snore, Occasional apnea, sleep light

Able to sleep on back for 3–4 h

 6MWT

Walk 6 m alone, easy to fall

Walk 20 m alone

 3MSC

Unable to climb stair alone

Able to climb 5 stairs alone

 Volume of liver and spleen

Liver was 5 cm below the costal margin, spleen was 3 cm below the costal margin

Liver was 4 cm below the costal margin, below spleen was 3 cm the costal margin

 Height

116.5 cm

119.5 cm

  1. FMFM : Fine Motor Function Measure.
  2. GMFM : Gross Motor Function Measure.
  3. UGAGs: Urinary glycosaminoglycans.
  4. DMB: Simethyl methylene blue.
  5. IDS: Iduronate-2-sulfatase.
  6. DBS: Dried blood spot.
  7. WGS: Whole Genome Sequencing.
  8. ERT: Enzyme replacement therapy (idursulfase-β, Hunterase®).
  9. MWT: Minute walking test.
  10. MSC: Minute stair climbing experiment.