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Table 1 Deep dysmorphological phenotyping after clinical evaluation of the 5 patients presented here

From: Five new cases of syndromic intellectual disability due to KAT6A mutations: widening the molecular and clinical spectrum

 

Patient 1

Patient 2

Patient 3

Patient 4

Patient 5

Total

Variant’s genomic position

8:41792353

8:41792098

8:41792310

8:41834814

8:41791480

 

cDNA change

c.3385C > T

c.3640A > T

c.3427_3428insTA

c.1075G > A

c.4254_4257 delTGAG

 

Protein change

p.(Arg1129*)

p.(Lys1214*)

p.(Ser1143 Leufs*5)

p.Gly359Ser (p.Pro509 Thrfs*11)

p.(Glu1419 Trpfs*12)

 

Exon

17/17

17/17

17/17

7/17

17/17

 

Inheritance

De novo

De novo

De novo

De novo

De novo

5 de novo

dbSNP

rs786200960

 

GnomAD

1/250564

 

ClinVar

Pathogenic

 

Current age (years)

16

11

9

8

6

10 av

Gender

Male

Male

Female

Male

Female

2F/3M

Ethnicity (country of origin)

Caucasian (Spain)

Caucasian (Spain)

Caucasian (Spain)

Caucasian (Spain)

Chinese (China)

 

Neurological

 Global developmental delay (HP:0001263)/ Intellectual disability (HP:0001249)

+ (severe)

+

+

+

+

5/5

 Autistic behaviour (HP:0007229)

NE

+

+

+

3/4

 Speech delay (HP:0000750)

+

+

+

+

+

5/5

 Seizures (HP:0001250)

+

+

+

3/5

 Sleep disturbance (HP:0002360)

+

+

2/5

 Hypotonia (HP:0001290)

+

+

2/5

 Stereotypy (HP:0000733)

+

+

+

+

4/5

 Lower limb hypertonia (HP:0006895)

+

+

+

3/5

 Unstable gait (HP:0002141)

+

+

+

+

+

5/5

Craniofacial

 Microcephaly (HP:0000252)

+

+

+

+

+

5/5

 Triangular face (HP:0000325)

+

+

+

+

4/5

 Long face (HP:0000276)

+

+

+

+

4/5

 Facial asymmetry (HP:0000324)

+

+ (mild)

2/5

 Frontal bossing (HP:0002007)

+

+ (central)

2/5

 Midface retrusion (HP:0011800)

+

+

+

3/5

 Sparse medial eyebrows (HP:0025325)

+

+

+

+

+

5/5

 Arched eyebrows (HP:0002553)

+

+

+

+

+

5/5

 Thin eyebrows (HP:0045074)

+

+

+

3/5

 Swollen skin on the upper eyelids (HP:0012724)

+

1/5

 Epicanthal folds (HP:0000286)

+ (mild)

+

+

3/5

 Proptosis (HP:0000520)

+

+ (mild)

2/5

 Deep set eyes (HP:0000490)

+

+

2/5

 High nasal bridge (HP:0000426)

+

+

2/5

 Broad nasal tip (HP:0000455)

+

+

+

+

4/5

 Bifid nasal tip (HP:0000456)

+

+

+

3/5

 Prominent columella (HP:0009765)

+

1/5

 Low-set ears (HP:0000369)

+

+

+

+

4/5

 Anteverted ears (HP:0040080)

+

+

2/5

 Prominent antihelix (HP:0000395)

+

+

+

+

+

5/5

 Prominent antitragus (HP:0008593)

+

+ (mild)

+

3/5

 Hypoplastic tragus (HP:0011272)

+

+

2/5

 Small earlobe (HP:0000385)

+

+ (mild)

+ (mild)

3/5

 Short philtrum (HP:0000322)

+

+ (mild)

2/5

 Small mouth (HP:0000160)

+

+

2/5

 Wide mouth (HP:0000154)

+

+

2/5

 Prognathism (HP:0000303)

+

+

2/5

 Pointed chin (HP:0000307)

+

+ (mild)

+

3/5

Ocular

 Convergent strabismus (HP:0000565)

+ (left eye)

+

+ (left eye)

+

4/5

 Astigmatism (HP:0000483)

+

+

2/5

 Myopia (HP:0000545)

+

+

2/5

 Amblyopia (HP:0000646)

+

+

2/5

 Nasolacrimal stenosis (HP:0000579)

+

+

2/5

 Conjunctivitis (HP:0000509)

+

1/5

Thorax & Abdomen

 Long thorax (HP:0100818)

+

+

+

+

+

5/5

 Narrow thorax (HP:0000774)

+

+

+

+

+

5/5

 Asymmetric chest (HP:0001555)

pectus excavatum

0/5

 Wide intermamillary distance (HP:0006610)

+

+

+ (mild)

+ (mild)

+

5/5

 Low-set nipples (HP:0002562)

+

NE

+ (mild)

+

3/4

 Inverted nipple (HP:0003186)

+ (left)

NE

1/4

 Bulging abdomen (HP:0001538)

+

+

2/5

 Prominent umbilicus (HP:0001544)

+

1/5

Limbs

 Skin syndactyly between 3rd and 4th fingers (HP:0011939)

+ (mild)

1/5

 Upper limb amyotrophy (HP:0009129)

+

+

+

+

4/5

 Lower limb amyotrophy (HP:0007210)

+

+

+

+

4/5

 Lower limb asymmetry (HP:0100559)

+

NE

1/4

 Genu valgum (HP:0002857)

+

+ (mild)

2/5

 Genu varum (HP:0002970)

+ (mild)

1/5

 Enlargement of the proximal interphalangeal joints (HP:0006185)

+

+ (mild)

2/5

 Pes planus (HP:0001763)

+

+

+

+

4/5

 Deviation of the hallux (HP:0010051)

+

+

2/5

 Short halluces (HP:0010109)

+ (mild)

+

2/5

 Sandal gap (HP:0001852)

+

1/5

 Hammertoe (HP:0001765)

+

1/5

Other

 Prenatal problems (HP:0001197)

IUGR

Mild pyelectasis in left kidney; IUGR

2/5

 Cardiovascular problems (HP:0001626)

+

+ (atrial septal defect)

+ (pulmonary stenosis)

+ (atrial septal defect)

4/5

 Respiratory problems (HP:0002795)

+

1/5

 Genitourinary problems (HP:0000119)

Small testis and penis; No sphincter control

Abnomal sphincter control

2/5

 Feeding problems (HP:0011968)

+

+

+

+

+

5/5

Freckling (HP:0001480)

Freckles on the thorax

Numerous freckles (face and body)

2/5

 Webbed neck (HP:0000465)

0/5

  1. Av average, IUGR Intrauterine growth retardation. NE Not Evaluable