Symbol
| SMPD3
| contributors: mct/npt - updated : 06-05-2019
|
HGNC name
| sphingomyelin phosphodiesterase 3, neutral membrane (neutral sphingomyelinase II)
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HGNC id
| 14240
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Other morbid association(s)
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Type | Gene Modification | Chromosome rearrangement | Protein expression | Protein Function
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constitutional
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| loss of function
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responsible for developmental defects of bone (Kim 2008) | tumoral
| somatic mutation
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implicate the ceramide pathway in human leukemias (Kim 2008) | constitutional
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| --over
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may increase cellular ceramide levels, leading to enhanced cell death and arrested cell proliferation (Zhu 2010) | constitutional
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| loss of function
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perturbs neuronal proteostasis and causes progressive cognitive impairment | tumoral
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| loss of function
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plays a role in the survival or proliferation ofiver cancer stem-like cells (CSCs), leading to spontaneous tumors, which is associated with tumor-specific effects on lipid homeostasis | constitutional
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| gain of function
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is required for the development of infection-induced diaphragm calpain activation and muscle weakness | |
Variant & Polymorphism
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Candidate gene
| SMPD3 deficiency is the pathogenetic basis of a novel form of chondrodysplasia |
Marker
Therapy target
|
System | Type | Disorder | Pubmed |
immunology | infectious | | |
therapies that inhibit SMPD3 in patients may prevent infection-induced skeletal muscle dysfunction |
| | |
| Smpd3 deficiency in the neutral sphingomyelinase (Smpd3-/-) mouse results in a novel form of juvenile dwarfism |