期刊
CELLS
卷 10, 期 11, 页码 -出版社
MDPI
DOI: 10.3390/cells10113129
关键词
STK11/LKB1; non-small cell lung cancer; immunotherapy; biomarker; KRAS
类别
The STK11/LKB1 gene codes for an important kinase involved in energy-related cellular processes, and its inactivation can lead to the progression of lung cancer and impact the tumor immune environment. Descriptive epidemiology, co-occurring genomic alterations, and prognostic impact for lung cancer patients are discussed, as well as the effects of STK11/LKB1 alterations on the immune system and response to immune checkpoint inhibitors in pre-clinical models and lung cancer cohorts.
The STK11/LKB1 gene codes for liver kinase B1 (STK11/LKB1), a highly conserved serine/threonine kinase involved in many energy-related cellular processes. The canonical tumor-suppressive role for STK11/LKB1 involves the activation of AMPK-related kinases, a master regulator of cell survival during stress conditions. In pre-clinical models, inactivation of STK11/LKB1 leads to the progression of lung cancer with the acquisition of metastatic properties. Moreover, preclinical and clinical data have shown that inactivation of STK11/LKB1 is associated with an inert tumor immune microenvironment, with a reduced density of infiltrating cytotoxic CD8(+) T lymphocytes, a lower expression of PD-(L)1, and a neutrophil-enriched tumor microenvironment. In this review, we first describe the biological function of STK11/LKB1 and the role of its inactivation in cancer cells. We report descriptive epidemiology, co-occurring genomic alterations, and prognostic impact for lung cancer patients. Finally, we discuss recent data based on pre-clinical models and lung cancer cohorts analyzing the results of STK11/LKB1 alterations on the immune system and response or resistance to immune checkpoint inhibitors.
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