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Last Posted: Apr 18, 2024
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Socioecologic Factors and Racial Differences in Breast Cancer Multigene Prognostic Scores in US Women.
Ashwini Z Parab et al. JAMA Netw Open 2024 4 (4) e244862

From the abstract: " In this cohort study of 69?139 women with breast cancer, non-Hispanic Black and non-Hispanic American Indian and Alaska Native women were more likely to have tumors with high-risk RSs compared with non-Hispanic White women. For non-Hispanic Black women, area-level socioeconomic position, urban residence, and insurance status mediated 17% of the racial difference in the RSs, and racial differences between non-Hispanic Black and non-Hispanic White women in the RSs were observed only among urban women. These findings suggest that disproportionately aggressive breast tumor biology among non-Hispanic Black women may be partially explained by socioecologic factors."

PARP Inhibitors for Breast Cancer Treatment: A Review.
Stefania Morganti et al. JAMA Oncol 2024 3

From the abstract: "Poly(adenosine diphosphate–ribose) polymerase (PARP) inhibitors have revolutionized the treatment of patients with germline BRCA1/2-associated breast cancer, representing the first targeted therapy capable of improving outcomes in patients with hereditary tumors. However, resistance to PARP inhibitors occurs in almost all patients. This narrative review summarizes the biological rationale behind the use of PARP inhibitors in breast cancer, as well as the available evidence, recent progress, and potential future applications of these agents. Recent studies have shown that the benefit of PARP inhibitors extends beyond patients with germline BRCA1/2-associated metastatic breast cancer to patients with somatic BRCA1/2 variants and to those with germline PALB2 alterations. "

The promise of AI in personalized breast cancer screening: are we there yet?
Despina Kontos et al. Nat Rev Clin Oncol 2024 3

From the abstract: " The benefits and potential harms of mammography-based screening for breast cancer are often a matter of debate. Here, I discuss the promises and limitations of a recent study that tested an artificial intelligence-based tool for the detection of breast cancer in digital mammograms in a large, prospective screening setting."

Polygenic risk scores, radiation treatment exposures and subsequent cancer risk in childhood cancer survivors.
Todd M Gibson et al. Nat Med 2024 3

From the abstract: "Survivors of childhood cancer are at increased risk for subsequent cancers attributable to the late effects of radiotherapy and other treatment exposures; thus, further understanding of the impact of genetic predisposition on risk is needed. Combining genotype data for 11,220 5-year survivors from the Childhood Cancer Survivor Study and the St Jude Lifetime Cohort, we found that cancer-specific polygenic risk scores (PRSs) derived from general population, genome-wide association study, cancer loci identified survivors of European ancestry at increased risk of subsequent basal cell carcinoma (odds ratio per s.d. of the PRS: OR?=?1.37, 95% confidence interval (CI)?=?1.29–1.46), female breast cancer (OR?=?1.42, 95% CI?=?1.27–1.58), thyroid cancer (OR?=?1.48, 95% CI?=?1.31–1.67), squamous cell carcinoma (OR?=?1.20, 95% CI?=?1.00–1.44) and melanoma (OR?=?1.60, 95% CI?=?1.31–1.96) "


Disclaimer: Articles listed in the Public Health Genomics and Precision Health Knowledge Base are selected by the CDC Office of Public Health Genomics to provide current awareness of the literature and news. Inclusion in the update does not necessarily represent the views of the Centers for Disease Control and Prevention nor does it imply endorsement of the article's methods or findings. CDC and DHHS assume no responsibility for the factual accuracy of the items presented. The selection, omission, or content of items does not imply any endorsement or other position taken by CDC or DHHS. Opinion, findings and conclusions expressed by the original authors of items included in the update, or persons quoted therein, are strictly their own and are in no way meant to represent the opinion or views of CDC or DHHS. References to publications, news sources, and non-CDC Websites are provided solely for informational purposes and do not imply endorsement by CDC or DHHS.

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