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Table 1 Clinical characteristics of the CLSD patients

From: Novel compound heterozygous variants of the SEC23A gene in a Chinese family with cranio-lenticulo-sutural dysplasia based on data from a large cohort of congenital cataract patients

ID

cDNA Change

Protein Change

Frequency of the variants in gnomAD

Inheritance Pattern

Gene inheritance Pattern

Ocular abnormality

Systemic abnormality

1

c.1144T>C

p.Phe382Leu

NA

Autosomal recessive

Homozygous

Hypertelorism, prominent supraorbital ridge, downslanting palpebral fissures, Y-shaped sutural cataracts

Short stature, wide open calvarial sutures with large and late-closing anterior fontanelles, abnormal hair, frontal bossing, hyperpigmentation with capillary hemangioma of the forehead, mid-face hypoplasia, broad and prominent nose, dental abnormalities, long smooth philtrum, and wide mouth with thin upper lip

2*

c.1200G>C

p.Met400Ile

NA

Autosomal recessive

Homozygous

Hypertelorism, long palpebral fissures, and ptosis

Moderate global developmental delay, tall stature, obesity, macrocephaly, mild dysmorphic features, hypertelorism, maloccluded teeth, intellectual disability, and flat feet

3

c.1795G>A

p.Glu599Lys

NA

Autosomal dominant

Heterozygous

Hypertelorism and bilateral glaucoma with exfoliation of the lens capsule

Large fontanelle with wide cranial sutures, large forehead, thin nose, high arched palate, and micrognathia

4**

c.2104 A>G

p.Met702Val

3.22e-4

Autosomal dominant

Heterozygous

Hypertelorism, bilateral exotropia,bilateral optic atrophy, and a double-ring sign

Large anterior fontanelle, valvular pulmonic stenosis, and motor delay

5

c.710 A>C c.1946T>C

p.Asp237Ala p.Leu649Pro

NA

NA

Autosomal recessive

Compound heterozygous

Hypertelorism, nystagmus, and bilateral congenital total cataracts

Large anterior fontanelle, frontal bossing, abnormal hair, patent foramen ovale, wide nasal bridge, long philtrum, thin vermilion border, pectus excavatum, and developmental retardation

  1. NA: not available; *The patient also carried a homozygous Arg334Cys substitution in the MAN1B1 gene; ** The heterozygous Met702Val substitution found in the patient was inherited from his clinically unaffected father