Discovery of cancer risk associations for six novel genes

In this study, the scientists analysed three large genetic datasets from individuals of European descent, including 130,991 cancer patients and 733,486 controls. Through a gene-based burden association analysis across 22 different cancer types, they found four novel genes associated with a risk of developing cancer; the pro-apoptotic BIK for prostate cancer, the autophagy involved ATG12 for colorectal cancer, TG for thyroid cancer, and CMTR2 for both lung cancer and cutaneous melanoma. The relative increase in cancer risk conferred by these variants was substantial (90-295%), but it should be noted that the design of the study does not allow accurate assessment of absolute lifetime cancer risk.

REYKJAVIK, Iceland, 29/10/2024 (informazione.it - comunicati stampa - salute e benessere)

In this study, the scientists analysed three large genetic datasets from individuals of European descent, including 130,991 cancer patients and 733,486 controls. Through a gene-based burden association analysis across 22 different cancer types, they found four novel genes associated with a risk of developing cancer; the pro-apoptotic BIK for prostate cancer, the autophagy involved ATG12 for colorectal cancer, TG for thyroid cancer, and CMTR2 for both lung cancer and cutaneous melanoma. The relative increase in cancer risk conferred by these variants was substantial (90-295%), but it should be noted that the design of the study does not allow accurate assessment of absolute lifetime cancer risk.

Additionally, the researchers found the first genes with rare variants that are associated with a decreased risk of cancer. Specifically, loss of AURKB was found to protect against any cancer type, and loss of PPP1R15A was associated with 53% lower risk of breast cancer. This suggests that inhibition of PPP1R15A may be a therapeutic option for breast cancer.

The study revealed new insight into the biological mechanisms involved in cancer predisposition that will hopefully lead to better screening and treatment strategies.