Gene
PIK3CB
phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit beta
Explore in graph →CI-GENE-00019749HGNC:8976 ENSG00000051382 NCBI 5291 CIViC Cancer geneApproved
Curated evidence
Clinical evidence (2)
CIViC items involving this gene, grouped by molecular profile and therapy, with native levels and directions. 50 items per page.
- Source
- CIViC — Clinical Interpretation of Variants in Cancer
- Dataset
- CIViC evidence items
- Version
- civic-2026-09-08
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Evidence
- expert curation
- License
- CC0 1.0
- PMID
- 35406568
- Run
- ING-CIVIC-20260908-000001
| Therapy | Cancer | Type | Level | Direction · significance | Rating (1–5) | Status | Evidence | Source |
|---|---|---|---|---|---|---|---|---|
| ATM Mutation + CSF2RB Mutation + NTRK1 Mutation + PIK3CB Mutation + PIK3R1 Mutation + TP53 MutationATMTP53PIK3R1PIK3CBNTRK1CSF2RB1 | ||||||||
| Doxorubicin | Sarcoma | Predictive | D | Supports Sensitivity Response | 3 | submitted | EID12721In primary soft tissue sarcoma cultures (UPS n = 25, SS n = 12), tumors with at least one mutation in apoptosis pathway genes (TP53, ATM, PIK3CB, PIK3R1, NTRK1 or CSF2RB; Mut+ n = 10, Mut− n = 27) wer… (full text at CIViC) PMID 35406568 · Kirilin et al., 2022 · Open in CIViC | civic |
| PIK3CB E1051K1 | ||||||||
| (functional) | —UNRESOLVED | |||||||
Cohorts
Alteration frequency by cohort (85)
Frequency = cases affected / cases profiled within one cohort. Cohorts are never pooled.
- Source
- cBioPortal for Cancer Genomics (public studies)
- Dataset
- cBioPortal mutated genes by study
- Version
- cbioportal-2026-09-01
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Evidence
- cohort
- License
- ODC Open Database License (ODC-ODbL) unless otherwise noted per study; attribution to the original studies required
- PMID
- 33263939
- Run
- ING-CBIOPORTAL-20260908-000001
| Cohort | Mapped cancer | Alteration | Affected (n) | Profiled (n) | Frequency (%) | Rank in cohort | Source |
|---|---|---|---|---|---|---|---|
| Juvenile Papillomatosis and Breast Cancer (MSK,J Pathol. 2015) brca_jup_msk_2020 | Invasive Breast Carcinoma | Ssm |
Literature
Linked publications (0)
Data not yet available