# NCOR1

Source: https://onco.cc/targets/ncor1/  
OnCo record `ncor1` (Target). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)"; commercial use needs a licence.

## TL;DR

NCOR1 (Nuclear receptor corepressor 1) is a protein that switches other genes on and off. The public catalogues list it as an oncogene driver and a tumour suppressor, and it is called a cancer driver by mutation analysis of patient cohorts. Tied to Breast cancer, Prostate cancer, Lung cancer and 5 more.

## Summary

Mediates transcriptional repression by certain nuclear receptors. Part of a complex which promotes histone deacetylation and the formation of repressive chromatin structures which may impede the access of basal transcription factors. Participates in the transcriptional repressor activity produced by BCL6.

Open Targets scores its association with cancer at 0.76 (direct and indirect evidence; datatypes literature 0.97, genetic association 0.23, somatic mutation 0.96). IntOGen calls it a driver in 18 cohorts (3 activating, 15 loss-of-function), covering Acute Lymphoblastic Leukaemia, Bladder Urothelial Carcinoma, Invasive Breast Carcinoma, Cholangiocarcinoma, Diffuse Large B-Cell Lymphoma, NOS, Head and Neck Squamous Cell Carcinoma and others.

## Fields

- Kind: Target
- Last checked: 2026-09-23
- Also known as: nuclear receptor corepressor 1; Nuclear receptor corepressor 1; N-CoR; hCIT529I10; TRAC1; hN-CoR; KIAA1047; MGC104216; PPP1R109
- Tags: cancer-genes-wave
- Symbol: NCOR1
- Class: transcription
- Biology: Mediates transcriptional repression by certain nuclear receptors. Part of a complex which promotes histone deacetylation and the formation of repressive chromatin structures which may impede the access of basal transcription factors. Participates in the transcriptional repressor activity produced by BCL6. Recruited by ZBTB7A to the androgen response elements/ARE on target genes, negatively regulates androgen receptor signalling and androgen-induced cell proliferation. Mediates the NR1D1-dependent repression and circadian regulation of TSHB expression. The NCOR1-HDAC3 complex regulates the circadian expression of the core clock gene ARTNL/BMAL1 and the genes involved in lipid metabolism in the liver. Location: Nucleus (UniProt). Locus 17p12-p11.2 (HGNC).
- Where found: Breast cancer: Open Targets association 0.70 with breast cancer (MONDO_0007254); IntOGen driver in 6 cohorts (BRCA); Prostate cancer: IntOGen driver in 2 cohorts (PRAD, PROSTATE); Lung cancer: Open Targets association 0.59 with lung cancer (MONDO_0008903); Bladder & urothelial cancer: IntOGen driver in 1 cohort (BLCA); Head and neck squamous cell carcinoma: IntOGen driver in 1 cohort (HNSC); Mesothelioma: IntOGen driver in 1 cohort (PLMESO)

## Notes

- Written by scripts/fetch-cancer-genes.ts from CIViC, Open Targets, IntOGen, HGNC and UniProt; the function text is UniProt's, condensed and in UK spelling. Roles: IntOGen calls it an activating (Act) driver in 3 cohorts; IntOGen calls it a loss-of-function (LoF) driver in 15 cohorts. Evidence tier "cohort-driver" is the strongest of those signals.
- Prevalence not recorded: none of the sources gives a positivity rate.

## Sources

- HGNC HGNC:7672: https://www.genenames.org/data/gene-symbol-report/#!/hgnc_id/HGNC:7672
- UniProt O75376: https://www.uniprot.org/uniprotkb/O75376/entry
- NCBI Gene 9611: https://www.ncbi.nlm.nih.gov/gene/9611
- Ensembl ENSG00000141027: https://www.ensembl.org/Homo_sapiens/Gene/Summary?g=ENSG00000141027

## Connected records

- collections: [IntOGen](https://onco.cc/collections/intogen/), [Open Targets Platform](https://onco.cc/collections/open-targets/)
- cancers: [Bladder & urothelial cancer](https://onco.cc/cancers/urothelial/), [Breast cancer (all types)](https://onco.cc/cancers/breast-cancer/), [Colorectal cancer](https://onco.cc/cancers/colorectal/), [Head and neck squamous cell carcinoma](https://onco.cc/cancers/head-and-neck/), [Lung cancer (all types)](https://onco.cc/cancers/lung-cancer/), [Mesothelioma](https://onco.cc/cancers/mesothelioma/), [Prostate cancer](https://onco.cc/cancers/prostate/), [Skin cancer (all types)](https://onco.cc/cancers/skin-cancer/)

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JSON: https://onco.cc/api/v1/entities/ncor1.json