| Demographic Data |
| Relation to Proband |
proband |
| Age at Sampling |
4 YR |
| Sex |
Male |
| Age at Diagnosis(If not a control) |
2 YR |
| Hispanic or Latino/Not Hispanic or Latino |
Not Hispanic/Latino |
| Racial Category |
More than one race |
| Country |
USA |
| |
| Data Elements |
| Clinical Element Type: General NIGMS Catalog Remarks |
| (Baseline) |
| Mutation Information |
| Gene, variant, consequence, and exon number: |
HETEROZYGOUS MUTATION IN KIF1A (NM_004321.7,HG19): C.946C>T (R316W) |
| Zygosity: |
Heterozygous |
| Age of Symptom Onset and Age at Diagnosis |
| Age of Symptom Onset: |
6 MONTHS |
| Age at Diagnosis: |
2 YEARS |
| In Utero History Information |
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| Birth History Information |
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| Dysmorphic Features |
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| Neurological Symptoms |
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| Additional Information: |
LEG SPASTICITY; CEREBELLAR ATROPHY |
| Optical and Audiological Symptoms |
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| Additional Information: |
OPTIC ATROPHY |
| Musculoskeletal Symptoms |
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| Developmental Milestones |
| |
Global developmental delay
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| Gastrointestinal Symptoms |
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| Genitourinary Symptoms |
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| Respiratory and Cardiovascular Symptoms |
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| Cognitive and Behavioral Symptoms |
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| Additional Information |
| Testing Performed |
| Treatments and Assistive Devices |
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| Medications |
| Family History |