PIK3R1

Table of Contents

Overview
Relevance tier by entity
Warnings
Mutation incidence in large patient cohorts (GAMBL reanalysis)
Mutation pattern and selective pressure estimates
Expression
Representative Mutations
- DLBCL1
- BL3
References

Overview

Mutations in this gene were first described in DLBCL in 2013¹ and by the same group in a subsequent study.² It remains in Tier 2 because other exome and genome-wide studies of DLBCL did not reproduce this observation.

Relevance tier by entity

Entity	Tier	Description
	3	Retired, Failed QC³
	2	relevance in DLBCL not firmly established¹

Warnings

The variants reported in this gene in BL failed QC

See below or the study page for more information

Mutation incidence in large patient cohorts (GAMBL reanalysis)

Entity	source	frequency (%)
BL	GAMBL genomes+capture	3.00
BL	Thomas cohort	2.50
BL	Panea cohort	4.00
DLBCL	GAMBL genomes	1.91
DLBCL	Schmitz cohort	2.13
DLBCL	Reddy cohort	2.00
DLBCL	Chapuy cohort	4.70

Mutation pattern and selective pressure estimates

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Expression

Representative Mutations

DLBCL¹

Rating ★ ★ ★ ☆ ☆

BL³

Rating ★ ☆ ☆ ☆ ☆

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References

Zhang J, Grubor V, Love CL, Banerjee A, Richards KL, Mieczkowski PA, Dunphy C, Choi W, Au WY, Srivastava G, Lugar PL, Rizzieri DA, Lagoo AS, Bernal-Mizrachi L, Mann KP, Flowers C, Naresh K, Evens A, Gordon LI, Czader M, Gill JI, Hsi ED, Liu Q, Fan A, Walsh K, Jima D, Smith LL, Johnson AJ, Byrd JC, Luftig MA, Ni T, Zhu J, Chadburn A, Levy S, Dunson D, Dave SS. Genetic heterogeneity of diffuse large B-cell lymphoma. Proceedings of the National Academy of Sciences of the United States of America. 2013;110:1398–1403. PMCID: PMC3557051

Reddy A, Zhang J, Davis NS, Moffitt AB, Love CL, Waldrop A, Leppa S, Pasanen A, Meriranta L, Karjalainen-Lindsberg ML, Nørgaard P, Pedersen M, Gang AO, Høgdall E, Heavican TB, Lone W, Iqbal J, Qin Q, Li G, Kim SY, Healy J, Richards KL, Fedoriw Y, Bernal-Mizrachi L, Koff JL, Staton AD, Flowers CR, Paltiel O, Goldschmidt N, Calaminici M, Clear A, Gribben J, Nguyen E, Czader MB, Ondrejka SL, Collie A, Hsi ED, Tse E, Au-Yeung RKH, Kwong YL, Srivastava G, Choi WWL, Evens AM, Pilichowska M, Sengar M, Reddy N, Li S, Chadburn A, Gordon LI, Jaffe ES, Levy S, Rempel R, Tzeng T, Happ LE, Dave T, Rajagopalan D, Datta J, Dunson DB, Dave SS. Genetic and Functional Drivers of Diffuse Large B Cell Lymphoma. Cell. 2017 Oct;171(2):481–494.e15. PMCID: PMC5659841

Panea R, Love C, Shingleton JR, Reddy A, Bailey J, Moormann A, Otieno J, Ong’echa J, Oduor C, Schroêder K, Masalu N, Chao N, Agajanian M, Major M, Fedoriw Y, Richards K, Rymkiewicz G, Miles R, Alobeid B, Bhagat G, Flowers C, Ondrejka S, Hsi E, Choi W, Au-Yeung R, Hartmann W, Lenz G, Meyerson H, Lin YY, Zhuang Y, Luftig M, Waldrop A, Dave T, Thakkar D, Sahay H, Li G, Palus B, Seshadri V, Kim S, Gascoyne R, Levy S, Mukhopadhyay M, Dunson D, Dave S. The whole genome landscape of Burkitt lymphoma subtypes. Blood. 2019;