Table 2 Characteristics of Patients With Variants in RASA1 and EPHB4

From: Mutation of key signaling regulators of cerebrovascular development in vein of Galen malformations

Proband ID

Ethnicity

Sex

Type

Proband Phenotype

Carrier Parent Phenotype

Class

Gene

Position (GRCH37)

AA Change

KVOGM_71-1

African

F

DNV

Cutaneous vascular lesion

NA

stopgain

RASA1

5:86648999:C:T

p.R427X

KVOGM122-1

European

M

DNV

Cutaneous vascular lesion

NA

frameshift

RASA1

5:86659286:TTCTG:T

p.V527Mfs*16

KVOGM95-1

European

F

Transmitted from mother

Deaf left ear

Cutaneous vascular lesions (mother)

frameshift

RASA1

5:86672737:T:TC

p.H743Tfs*24

KVOGM42-1*

Mexican

F

Transmitted from mother

Cutaneous vascular lesion, cerebral palsy, neurodevelopmental delay, seizures

Cutaneous vascular lesions (mother)

stopgain

RASA1

5:86672323:C:T

p.R709X

KVOGM48-1

European

F

Transmitted from mother

Cutaneous vascular lesion, neurodevelopmental delay

Cutaneous vascular lesions (mother)

stopgain

RASA1

5:86676336:T:TA

p.Y695*

KVOGM18-1*

European

M

Transmitted from father

Cerebral palsy, hemiplegia, macular scarring, visual neglect, neurodevelopmental delay, seizures

NA

D-mis

EPHB4

7:100403202:A:G

p.F867L

KVOGM33-1*

Mexican

F

Transmitted from mother

Neurodevelopmental delay

Cutaneous vascular lesions (mother)

D-mis

EPHB4

7:100410537:C:A

p.K650N

KVOGM25-1*

European

M

Transmitted from father

Sternum excavatum, neurodevelopmental delay

NA

D-mis

EPHB4

7:100414876:G:C

p.A509G

VOGM115-1*

European

M

Transmitted from father

Neurodevelopmental delay, seizures

Cutaneous vascular lesions (father)

frameshift

EPHB4

7:100417179:CCT:C

p.E432Gfs*7

KVOGM_72-1

EastAsian

M

Transmitted from father

NA

NA

D-mis

EPHB4

7:100403289:G:A

p.R838W

  1. *These patients have been reported in our previous study26 (PMID: 30578106). Abbreviations: AA amino acid, F Female, M Male, D-Mis deleteriousness of missense variants, DNV de novo variant.