P2RY8
P2RY8 encodes a G protein–coupled receptor that is expressed on germinal center B cells. Signals through this receptor promote confinement of B cells to the GC niche.1 Downstream signaling through Galpha13 (encoded by GNA13) and S1PR2 is distrupted by mutations of one of these genes in GC lymphomas including the GCB subgroup of DLBCL2 and BL.1
| Entity | Tier | Description |
|---|---|---|
| BL | 1 | high-confidence BL gene |
| DLBCL | 1 | high-confidence DLBCL gene |
| FL | 2 | relevance in FL not firmly established |
| Entity | source | frequency (%) |
|---|---|---|
| BL | GAMBL genomes+capture | 6.93 |
| BL | Thomas cohort | 11.00 |
| BL | Panea cohort | NA |
| DLBCL | GAMBL genomes | 6.88 |
| DLBCL | Schmitz cohort | 7.23 |
| DLBCL | Reddy cohort | NA |
| DLBCL | Chapuy cohort | 5.98 |
| FL | GAMBL genomes | 2.31 |
| Entity | aSHM | Significant selection | dN/dS (missense) | dN/dS (nonsense) |
|---|---|---|---|---|
| BL | No | Yes | 58.153 | 189.145 |
| DLBCL | No | Yes | 31.041 | 0.000 |
| FL | No | No | 23.117 | 0.000 |
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- Muppidi JR, Schmitz R, Green JA, Xiao W, Larsen AB, Braun SE, An J, Xu Y, Rosenwald A, Ott G, Gascoyne RD, Rimsza LM, Campo E, Jaffe ES, Delabie J, Smeland EB, Braziel RM, Tubbs RR, Cook JR, Weisenburger DD, Chan WC, Vaidehi N, Staudt LM, Cyster JG. Loss of signalling via Gα13 in germinal centre B-cell-derived lymphoma. Nature. 2014 Dec 11;516(7530):254-8. doi: 10.1038/nature13765. Epub 2014 Sep 28. PMID: 25274307; PMCID: PMC4267955.
- Lohr JG, Stojanov P, Lawrence MS, Auclair D, Chapuy B, Sougnez C, Cruz-Gordillo P, Knoechel B, Asmann YW, Slager SL, Novak AJ, Dogan A, Ansell SM, Link BK, Zou L, Gould J, Saksena G, Stransky N, Rangel-Escareño C, Fernandez-Lopez JC, Hidalgo-Miranda A, Melendez-Zajgla J, Hernández-Lemus E, Schwarz-Cruz y Celis A, Imaz-Rosshandler I, Ojesina AI, Jung J, Pedamallu CS, Lander ES, Habermann TM, Cerhan JR, Shipp MA, Getz G, Golub TR. Discovery and prioritization of somatic mutations in diffuse large B-cell lymphoma (DLBCL) by whole-exome sequencing. Proc Natl Acad Sci U S A. 2012 Mar 6;109(10):3879-84. doi: 10.1073/pnas.1121343109. Epub 2012 Feb 17. PMID: 22343534; PMCID: PMC3309757.
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