Table 1 NRF2-active genetically engineered mouse models.

From: NRF2 immunobiology in cancer: implications for immunotherapy and therapeutic targeting

Genotype

Keap1

Nfe2l2

Phenotype

Reference

Keap1flox/flox::

Trp53flox/flox::

R26tdTomato

CKO

WT

- Keap1/p53 deletion in airway basal stem cells produce lung SCC.

- KEAP1 deletion increased tumor aggressiveness, metastasis, and resistance to radiotherapy

Jeong

Cancer Discovery 2017

KrasLSL-G12D/+::

Tp53flox/flox

with sgKeap1

KO

WT

- Mouse model of LUAD

- Increased tumor burden and aggressiveness

Romero

Nature medicine 2017

Keap1fl/fl

Ptenfl/fl

CKO

WT

- No phenotype with Keap1 loss alone

- Combined loss of Keap1 and Pten produces lung adenocarcinoma

Best Cell Metabolism 2018

KrasLSL-G12D/+

p53fl/fl

Keap1-Intratracheal Crispr KO

CKO

WT

- Intratracheally lentiviral delivery produced LUAD

- Increased metastatic phenotype in KEAP1ko tumors

- NRF2 activation promoted enhanced expression of Bach1

Lignitto Cell 2019

KrasG12D

Keap1fl/fl

CKO

WT

- KEAP1 deletion increased number of LUAD tumors of bronchiolar cell-of-origin

- Reduced inflammatory response in KEAP1-KO tumors

Best Nature Communications 2019

KrasLSL-G12D/+

p53fl/fl

Keap1fl/fl

Slc33a1-KO

CKO

WT

- KEAP1-KO increased high-grade adenocarcinomas, tumor burden, tumor frequency

- SLC33a1-KO decreased tumor burden and reduced number of high grade LUADs

Romero Nature Cancer 2020

LoxP-Stop-loxP KrasG12D

Keap1FB/FB

Keap1FA/FA

CKO

WT

- NRF2 activation in Kras-driven tumor cells promoted tumor growth and reduced survival

- Activated host NRF2 in microenvironment suppressed tumor burden and prolonged survival

Hayashi Cancer Research 2020

KrasLSL-G12D

Stk11fl/fl

Keap1fl/fl

CKO

WT

- Keap1fl/flStk11fl/flKrasLSL-G12D mice demonstrate early, multifocal lung tumor development, mice develop progressive lung failure

Singh Clinical Cancer Research 2021

Trp53fl/fl

p16fl/fl

LSL-Nrf2E79Q/+

WT

Transgene

- Mouse model of C-SCLC and P-SCLC. NRF2 silenced in C-SCLCs. Higher incidence of P-SCLCs in Nrf2E79Q/+ mice

Hamad Oncogene 2022

KrasG12D/+

Keap1R554Q

Nrf2D29H

Conditional transgene

Conditional transgene

- Keap1R554Q/R554Q and Nrf2D29H/+ increased NSCLC tumor number in KrasG12D/+ model but disproportionately increased Grade 1 tumors and reduced Grade 3 tumors

DeBlasi Cancer Research 2023

KrasG12D/+

p53fl/fl

KEAP1fl/fl

Conditional transgene

WT

- KEAP1+/fl tumors grew faster

- Keap-KO associated with diminished immune responses

Zavitsanou Cell Reports 2023

NRF2L30F

TRP53R172H

Keap1-/-

KO

Transgene

- NRF2L30FTRP53R172H but not TRP53R172HKeap1-/- mice develop esophageal squamous cell carcinoma

Takahashi Cell Reports 2024

p16INK4A

p53-/-

NRF2E79Q

WT

Conditional Transgene

- p16INK4Ap53–/–NRF2E79Q but not p16INK4Ap53-/-NRF2+/+ mice develop oral squamous cell carcinoma

Hamad Cancer Research Communications 2024

  1. NRF2-active genetically engineered mouse oncology models. Conditional knockout (CKO), knockout (KO), Wild-type (WT), squamous cell carcinoma (SCC), lung adenocarcinoma (LUAD), combined small cell lung cancer (C-SCLC), pure small cell lung cancer (P-SCLC)