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| Mendeliome v1.2131 | TNFSF9 | Zornitza Stark Marked gene: TNFSF9 as ready | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Mendeliome v1.2131 | TNFSF9 | Zornitza Stark Gene: tnfsf9 has been classified as Red List (Low Evidence). | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Mendeliome v1.2131 | TNFSF9 |
Zornitza Stark gene: TNFSF9 was added gene: TNFSF9 was added to Mendeliome. Sources: Literature Mode of inheritance for gene: TNFSF9 was set to BIALLELIC, autosomal or pseudoautosomal Publications for gene: TNFSF9 were set to 35657354 Phenotypes for gene: TNFSF9 were set to Hereditary susceptibility to infections, MONDO:0015979, TNFSF9-related Review for gene: TNFSF9 was set to RED Added comment: Fournier et al. described one patient with DiGeorge syndrome with a unique susceptibility to EBV with broad EBV infection and smooth muscle tumors. He was found to have a homozygous missense variant (p.V140G) in TNFSF9 coding for CD137L/4-1BBL, the ligand of the T cell co-stimulatory molecule CD137/4-1BB, whose deficiency predisposes to EBV infection. They show that CD137LV140G mutant was weakly expressed on patient cells or when ectopically expressed in HEK and P815 cells. Importantly, patient EBV-infected B cells failed to trigger the expansion of EBV-specific T cells, resulting in decreased T cell effector responses. T cell expansion was recovered when CD137L expression was restored on B cells. Sources: Literature |
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