Table 3.
Zinc transporter mutations reported to be involved in inherited diseases.
Gene | Disease | MIM No. | Clinical Features | Pattern of Inheritance | References |
---|---|---|---|---|---|
SLC39A4/ZIP4 | Acrodermatitis enteropathica (AE) | 201100 | Eczematous dermatitis on the perioral, perianal, and areas, alopecia, diarrhea, growth retardation because of decreased zinc absorption, Ameliorated with zinc supplementation. | Homozygous, Compound heterozygous, Dominant negative | [99,100,101,153,154] |
SLC39A5/ZIP5 | Nonsymptomatic high myopia | 615946 | Refractive error, tigroid and focal atrophy of choroid. | Heterozygous | [105] |
SLC39A8/ZIP8 | Cerebellar Atrophy Syndrome, a type II congenital disorder of glycosylation (CDG) | - | Intellectual disability, cerebellar atrophy, cranial asymmetry, dysproportionate dwarfism, severe infantile spasms with hypsarrhythmia, hypotonia, strabismus. | Homozygous, Compound heterozygous | [111,112] |
SLC39A13/ZIP13 | spondylocheiro dysplastic Ehlers-Danlos syndrome (SCD-EDS) | 612350 | Postnatal growth retardation, skeletal and connective tissue abnormalities, finger contractures, joint hypermobility, protruding eyes with bluish sclera, decreased hydroxyl collagen levels. | Homozygous | [114,115] |
SLC30A2/ZnT2 | Transient neonatal zinc deficiency (TNZD) | 608118 | Erosive dermatitis around the mouth, genital region, neck, and fingers, diarrhea, hair loss, alopecia, Ameliorated with zinc supplementation to infants. | Dominant negative, Heterozygous, Compound heterozygous | [121,122,123,124,125] |
SLC30A3/ZnT3 | Increased risk of febrile seizures | - | Potentially a prelude to more severe epilepsy. | Heterozygous | [131] |
SLC30A10/ZnT10 | Hypermanganesemia, syndrome of hepatic cirrhosis, dystonia, polycythemia | 613280 | Dysarthria, hypertonia, fine tremor, bradykinesia, spastic paraparesis, Improved by metal chelation therapy. | Homozygous | [149,150] |