Table 1.
Clinical and Genetic Findings in KIF11-Mutation-Positive Patients
Pedigree | Individual | Gender | Head Circumferenceb | Lymphedema | Eye Abnormalities | Additional Clinical Features | Nucleotide Variant | Exon | Protein Alteration |
---|---|---|---|---|---|---|---|---|---|
MLCRD01 | I-1 | male | −3.0 | minimal edema | none | mild LD | c.1159C>T | 10 | p.Arg387∗ |
II-2a | female | −7.2 | congenital, bilateral, and lower limb | none | mild LD and dysmorphic features | c.1159C>T | 10 | p.Arg387∗ | |
MLCRD02 | I-1 | female | −1.6 | none | diabetic retinopathy | mild LD | c.3016delA | 21 | p.Ile1006Leufs∗62 |
II-2a | female | −4.0 | congenital, bilateral, and lower limb | none | mild dysmorphic features | c.3016delA | 21 | p.Ile1006Leufs∗62 | |
MLCRD03 | II-1 | male | −2.0 | none | none | mild LD | c.1039_1040delCT | 9 | p.Leu347Glufs∗8 |
III-2a | female | −7.5 | congenital, bilateral, and lower limb plus pleural effusions | hypermetropic astigmatism and chorioretinopathy | mild LD | c.1039_1040delCT | 9 | p.Leu347Glufs∗8 | |
MLCRD06 | I-1 | male | −4.3 | congenital, bilateral, and lower limb | none | low birth weight, failure to thrive, | c.432T>G | 5 | p.Phe144Leu |
MLCRD07 | I-1c | male | −2.3 | congenital, bilateral, and lower limb | bilateral chorioretinopathy | mild LD, ASD, and myoclonic epilepsy | c.2830C>T (de novo) | 20 | p.Arg944Cys |
MLCRD08 | I-1 | male | −3.5 | none | none | none | c.1425_1426delinsAAA | 12 | p.Val476Asnfs∗2 |
II-1 | male | −5.5 | congenital, mild, bilateral, and lower limb | myopia | moderate LD | c.1425_1426delinsAAA | 12 | p.Val476Asnfs∗2 | |
MLCRD09 | I-1 | female | −3.0 | none | none | none | c.1592delA | 13 | p.Gln531Argfs∗8 |
II-1d | male | −4.0 | congenital, bilateral, and lower limb | bilateral chorioretinopathy | ASD and dysmorphic features | c.1592delA | 13 | p.Gln531Argfs∗8 | |
MLCRD10 | I-1 | male | −5.5 | congenital, mild, bilateral, and mild lower limb (resolved) | bilateral chorioretinopathy | mild LD | c.699-2A>G (de novo) | 6/7 | acceptor splice site |
MLCRD11 | II-1 | male | low by history | congenital, bilateral, and lower limb plus mild in hands | none | none | c.2547+2T>C | 18/19 | donor splice site |
III-2 | female | −4.7 | none | none | mild LD | c.2547+2T>C | 18/19 | donor splice site | |
IV-1 | male | −4.0 | congenital, bilateral, and lower limb plus mild in hands | none | moderate LD and hypospadias | c.2547+2T>C | 18/19 | donor splice site | |
IV-3 | male | −3.7 | congenital, mild, bilateral, and lower limb | none | moderate LD | c.2547+2T>C | 18/19 | donor splice site | |
IV-5 | female | −4.1 | none | none | mild LD | c.2547+2T>C | 18/19 | donor splice site | |
MLCRD12 | I-1 | male | −6.4 | congenital, mild, bilateral, and lower limb | bilateral chorioretinopathy | moderate LD | c.1963_1964dupAA | 15 | p.His656Serfs∗8 |
CDMMR01 | II-1 | female | −5.0 | adult onset and post-traumatic mild edema | chorioretinopathy | mild LD | c.1159C>T (de novo) | 10 | p.Arg387∗ |
III-1 | male | −5.5 | none | hypermetropic astigmatism and chorioretinopathy | moderate LD | c.1159C>T | 10 | p.Arg387∗ | |
CDMMR02 | I-1 | female | low by history | none | bilateral chorioretinopathy | none | c.704C>G | 7 | p.Ser235Cys |
II-1 | female | low by history | none | bilateral chorioretinopathy | moderate LD | c.704C>G | 7 | p.Ser235Cys | |
CDMMR03 | I-1 | male | −3.4 | none | no vision in right eye (retinal detachment) and peripheral retinal atrophy in left eye |
mild LD | c.2304_2305delCA (de novo) | 18 | p.His768Glnfs∗7 |
CDMMR04 | I-1 | male | −5.1 | none | chorioretinopathy, nystagmus, and exotropia | moderate LD | c.700C>T | 7 | p.Arg234Cys |
CDMMR05 | II-1 | female | −3.9 | none | chorioretinopathy | mild LD | c.1804C>T | 14 | p.Gln602∗ |
II-2 | female | −6.1 | none | hypermetropic astigmatism | none | c.1804C>T | 14 | p.Gln602∗ |
Abbreviations are as follows: LD, learning difficulties; and ASD, atrial septal defect. Please see main text for additional abbreviations.
Individuals exome sequenced in primary analysis.
Head circumference measured as occipitofrontal head circumference in cm and corrected for age and sex.
Case description in Vasudevan et al. (2005).4
Case description in Eventon-Friedman et al. (2009).24