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CREBBP
CREBBP mutations are highly prevalent in both DLBCL and FL.[@pasqualucciInactivatingMutationsAcetyltransferase2011a] This gene has some recurrent sites of mutations (hotspots), mostly in the HAT domain. The pattern of mutations in DLBCL is distinct from FL with the latter having more HAT domain mutations relative to truncating mutations.[@drevalGeneticSubdivisionsFollicular2023]
CREBBP missense mutations often affect the histone acetyltransferase (HAT) domain, crucial for regulating gene expression through chromatin modification, or generate a truncated protein.[@pasqualucciInactivatingMutationsAcetyltransferase2011a] In a transgenic mouse model, CREBBP loss cooperated with BCL2 overexpression to promote B-cell lymphomagenesis.[@garcia-ramirezCrebbpLossCooperates2017] Mutations in CREBBP and EP300 affect a common pathway and have been described as mutually exclusive due to some functional redundancy.[@pasqualucciInactivatingMutationsAcetyltransferase2011a; @veazeyCARM1InhibitionReduces2020b] Studies using genome-wide CRISPR-Cas9 screens have identified synthetic lethal interactions between CREBBP and EP300, suggesting that targeting one may affect the viability of cells with mutations in the other.[@nieGenomewideCRISPRScreens2021b]
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timeline
title Publication timing
2011-03-10 : Pasqualucci : DLBCL
2012-12-01 : Love : BL
2013-12-13 : Parry : MZL
2021-07-15 : Duns : PMBL
Entity | Tier | Description |
---|---|---|
2 | relevance in MZL not firmly established[@parryWholeExomeSequencing2013] | |
1 | high-confidence PMBL/cHL/GZL gene[@dunsCharacterizationDLBCLPMBL2021b] | |
1-EE | high-confidence DLBCL gene supported by functional data[@pasqualucciInactivatingMutationsAcetyltransferase2011a] | |
1-EE | high-confidence FL gene supported by functional data[@pasqualucciInactivatingMutationsAcetyltransferase2011a] | |
2 | association with BL is tenuous[@loveGeneticLandscapeMutations2012] |
Entity | source | frequency (%) |
---|---|---|
DLBCL | GAMBL genomes | 25.81 |
DLBCL | Schmitz cohort | 17.87 |
DLBCL | Reddy cohort | 12.11 |
DLBCL | Chapuy cohort | 16.67 |
FL | GAMBL genomes | 65.13 |
BL | GAMBL genomes+capture | 6.00 |
BL | Thomas cohort | 3.00 |
BL | Panea cohort | 12.90 |
Entity | aSHM | Significant selection | dN/dS (missense) | dN/dS (nonsense) |
---|---|---|---|---|
BL | No | No | 1.357 | 3.999 |
DLBCL | No | Yes | 13.231 | 65.302 |
FL | No | Yes | 43.869 | 112.938 |
Chromosome | Coordinate (hg19) | ref>alt | HGVSp |
---|---|---|---|
chr16 | 3788618 | G>A | R1446C |
chr16 | 3788617 | C>T | R1446H |
chr16 | 3788617 | C>A | R1446L |
chr16 | 3788606 | A>T | Y1450N |
chr16 | 3788606 | A>C | Y1450D |
chr16 | 3788605 | T>G | Y1450S |
chr16 | 3788605 | T>C | Y1450C |
chr16 | 3788596 | A>G | I1453T |
chr16 | 3788594 | G>T | L1454I |
chr16 | 3788593 | A>C | L1454R |
chr16 | 3786715 | A>T | L1499Q |
chr16 | 3786715 | A>G | L1499P |
chr16 | 3786715 | A>C | L1499R |
chr16 | 3786710 | C>A | E1501* |
chr16 | 3786707 | A>T | W1502R |
chr16 | 3786707 | A>G | W1502R |
chr16 | 3786705 | C>T | W1502* |
chr16 | 3786705 | C>G | W1502C |
chr16 | 3786705 | C>A | W1502C |
chr16 | 3786704 | A>T | Y1503N |
chr16 | 3786704 | A>G | Y1503H |
chr16 | 3786704 | A>C | Y1503D |
chr16 | 3786703 | T>G | Y1503S |
chr16 | 3786703 | T>A | Y1503F |
chr16 | 3786691 | A>G | L1507P |
View coding variants in ProteinPaint hg19 or hg38
View all variants in GenomePaint hg19 or hg38
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