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Last Posted: Mar 03, 2024
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Improving access to exome sequencing in a medically underserved population through the Texome Project
B Vucuolo et al, Genetics in Medicine, February 29, 2024

From the abstract: "The Texome Project is a 4-year study that reduces barriers to genomic testing for individuals from underserved and underrepresented populations. Participants with undiagnosed, rare diseases who have financial barriers to obtaining exome sequencing (ES) clinically are enrolled in the Texome Project. We highlight the Texome Project process and describe the outcomes of the first 60 ES results for study participants. Participants received a genetic evaluation, ES, and return of results at no cost. We summarize the psychosocial or medical implications of these genetic diagnoses. "

Researchers optimize genetic tests for diverse populations to tackle health disparities
NIH, February 2024 Brand

From the website: " To prevent an emerging genomic technology from contributing to health disparities, a scientific team funded by the National Institutes of Health has devised new ways to improve a genetic testing method called a polygenic risk score. Since polygenic risk scores have not been effective for all populations, the researchers recalibrated these genetic tests using ancestrally diverse genomic data. As reported in Nature Medicine, the optimized tests provide a more accurate assessment of disease risk across diverse populations."

The frequency of pathogenic variation in the All of Us cohort reveals ancestry-driven disparities
E Venner et al, Comm Biology, February 19, 2024

From the abstract: "Here, we examine pathogenic and likely pathogenic variants that were identified in the All of Us cohort. The European ancestry subgroup showed the highest overall rate of pathogenic variation, with 2.26% of participants having a pathogenic variant. Other ancestry groups had lower rates of pathogenic variation, including 1.62% for the African ancestry group and 1.32% in the Latino/Admixed American ancestry group. "

Overcoming barriers to equitable genomic healthcare
KM Girisha, EJHG, February 13, 2024

From the article: "We all recognize the pivotal role of next-generation sequencing in the diagnosis and discovery of rare diseases that are majorly genetic in origin. While limited access might be the result of economic constraints in the three-fourths of the global population, it might also be due to infrastructure (genetic testing laboratories) or trained manpower (genome analysts) in other situations. "

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.