Table of Contents
Overview
S1PR2 is one of a number of genes affected by aberrant somatic hypermutation in B-cell lymphomas, which complicates the interpretation of mutations at this locus.
Experimental Evidence
Driver mutations affecting this gene in DLBCL have been experimentally demonstrated to cause a reduction or loss of function (LOF).1
Relevance tier by entity
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Mutation incidence in large patient cohorts (GAMBL reanalysis)
DLBCL
| Entity | Collection | N | mutated | Incidence | 95% CI |
|---|---|---|---|---|---|
| DLBCL | GAMBL without Reddy | 1,089 | 33 | 0.0303 | [0.0201,0.0405] |
| DLBCL | GAMBL with Reddy | 2,088 | 55 | 0.0263 | [0.0195,0.0332] |
| DLBCL | BC | 231 | 11 | 0.0476 | [0.0202,0.0751] |
| DLBCL | Dana-Farber | 303 | 9 | 0.0297 | [0.0106,0.0488] |
| DLBCL | NCI | 470 | 10 | 0.0213 | [0.0082,0.0343] |
| DLBCL | Reddy | 999 | 22 | 0.0220 | [0.0129,0.0311] |
| DLBCL | DLBCL_ICGC | 85 | 3 | 0.0353 | [0,0.0745] |
FL
| pathology | Collection | N | mutated | Incidence | CI |
|---|---|---|---|---|---|
| FL | GAMBL without Crouch | 642 | 26 | 0.0405 | [0.0252,0.0557] |
| FL | GAMBL with Crouch | 1,189 | 44 | 0.0370 | [0.0263,0.0477] |
| FL | BC | 379 | 21 | 0.0554 | [0.0324,0.0784] |
| FL | Kalmbach | 164 | 2 | 0.0122 | [0,0.029] |
| FL | Crouch | 547 | 18 | 0.0329 | [0.018,0.0479] |
| FL | FL_ICGC | 99 | 3 | 0.0303 | [0,0.0641] |
BL
| pathology | Collection | N | mutated | Incidence | CI |
|---|---|---|---|---|---|
| BL | GAMBL without Panea | 309 | 1 | 0.0006 | [0,0.0034] |
| BL | GAMBL without ICGC/Zhou | 320 | 4 | 0.0007 | [0,0.0035] |
| BL | GAMBL with Panea | 410 | 5 | 0.0008 | [0,0.0036] |
| BL | BLGSP | 219 | 0 | 0.0005 | [0,0.0033] |
| BL | Zhou/ICGC | 90 | 1 | 0.0111 | [0,0.0328] |
| BL | Panea | 101 | 4 | 0.0396 | [0.0016,0.0776] |
Mutation pattern and selective pressure estimates
| Entity | Missense dN/dS | Nonsense dN/dS | Q value |
|---|---|---|---|
| BL | 0.8171 | 0.0000 | 1 |
| FL | 22.8699 | 58.8422 | 0 |
| DLBCL | 3.4625 | 9.3109 | 0 |
aSHM regions
| chr_name | hg19_start | hg19_end | region | regulatory_comment |
|---|---|---|---|---|
| chr19 | 10340142 | 10341764 | TSS | active_promoter |
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Expression
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References
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