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Huebner T, Steffens M, Scholl C. Molecular Genetic Techniques in Biomarker Analysis Relevant for Drugs Centrally Approved in Europe. Mol Diagn Ther 2021; 26:89-103. [PMID: 34905151 PMCID: PMC8766366 DOI: 10.1007/s40291-021-00567-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/18/2021] [Indexed: 11/26/2022]
Abstract
On the basis of scientific evidence, information on the option, recommendation or requirement to test for pharmacogenetic or pharmacogenomic biomarkers is incorporated in the Summary of Product Characteristics of an increasing number of drugs in Europe. A screening of the Genetic Testing Registry (GTR) showed that a variety of molecular genetic testing methods is currently offered worldwide in testing services with regard to according drugs and biomarkers. Thereby, among the methodology indicated in the screened GTR category ‘Molecular Genetics’, next-generation sequencing is applied for identification of the largest proportion of evaluated biomarkers that are relevant for therapeutic management of centrally approved drugs in Europe. However, sufficient information on regulatory clearances, clinical utility, analytical and clinical validity of applied methods is rarely provided.
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Affiliation(s)
- Tatjana Huebner
- Research Division, Federal Institute for Drugs and Medical Devices (BfArM), Kurt-Georg-Kiesinger-Allee 3, 53175, Bonn, North Rhine-Westphalia, Germany.
| | - Michael Steffens
- Research Division, Federal Institute for Drugs and Medical Devices (BfArM), Kurt-Georg-Kiesinger-Allee 3, 53175, Bonn, North Rhine-Westphalia, Germany
| | - Catharina Scholl
- Research Division, Federal Institute for Drugs and Medical Devices (BfArM), Kurt-Georg-Kiesinger-Allee 3, 53175, Bonn, North Rhine-Westphalia, Germany
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Abstract
The G84E germline mutation of HOXB13 predisposes to prostate cancer and is clinically tested for familial cancer care. We investigated the HOXB locus to define a potentially broader contribution to prostate cancer heritability. We sought HOXB locus germline variants altering prostate cancer risk in three European-ancestry case-control study populations (combined 7812 cases and 5047 controls): the International Consortium for Prostate Cancer Genetics Study; the Nashville Familial Prostate Cancer Study; and the Prostate, Lung, Colorectal, and Ovarian Cancer Screening Trial. Multiple rare genetic variants had concordant and strong risk effects in these study populations and exceeded genome-wide significance. Independent risk signals were best detected by sentinel variants rs559612720 within SKAP1 (OR = 8.1, P = 2E-9) and rs138213197 (G84E) within HOXB13 (OR = 5.6, P = 2E-11), separated by 567 kb. Half of carriers inherited both risk alleles, while others inherited either alone. Under mutual adjustment, the variants separately carried 3.6- and 3.1-fold risk, respectively, while joint inheritance carried 11.3-fold risk. These risks were further accentuated among men meeting criteria for hereditary prostate cancer, and further still for those with early-onset or aggressive disease. Among hereditary prostate cancer cases diagnosed under age 60 and with aggressive disease, joint inheritance carried a risk of OR = 27.7 relative to controls, P = 2E-8. The HOXB sentinel variant pair more fully captured genetic risk for prostate cancer within the study populations than either variant alone.
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Dupont WD, Breyer JP, Plummer WD, Chang SS, Cookson MS, Smith JA, Blue EE, Bamshad MJ, Smith JR. 8q24 genetic variation and comprehensive haplotypes altering familial risk of prostate cancer. Nat Commun 2020; 11:1523. [PMID: 32251286 PMCID: PMC7089954 DOI: 10.1038/s41467-020-15122-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2019] [Accepted: 02/18/2020] [Indexed: 01/09/2023] Open
Abstract
The 8q24 genomic locus is tied to the origin of numerous cancers. We investigate its contribution to hereditary prostate cancer (HPC) in independent study populations of the Nashville Familial Prostate Cancer Study and International Consortium for Prostate Cancer Genetics (combined: 2,836 HPC cases, 2,206 controls of European ancestry). Here we report 433 variants concordantly associated with HPC in both study populations, accounting for 9% of heritability and modifying age of diagnosis as well as aggressiveness; 183 reach genome-wide significance. The variants comprehensively distinguish independent risk-altering haplotypes overlapping the 648 kb locus (three protective, and four risk (peak odds ratios: 1.5, 4, 5, and 22)). Sequence of the near-Mendelian haplotype reveals eleven causal mutation candidates. We introduce a linkage disequilibrium-based algorithm discerning eight independent sentinel variants, carrying considerable risk prediction ability (AUC = 0.625) for a single locus. These findings elucidate 8q24 locus structure and correlates for clinical prediction of prostate cancer risk.
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Affiliation(s)
- William D Dupont
- Department of Biostatistics, Vanderbilt University Medical Center, 2525 West End Avenue, Nashville, TN, 37203, USA
| | - Joan P Breyer
- Department of Medicine, Division of Genetic Medicine, Vanderbilt-Ingram Cancer Center, and Vanderbilt Genetics Institute, Vanderbilt University Medical Center, 507 Light Hall, 2215 Garland Avenue, Nashville, TN, 37232, USA
- Medical Research Service, Tennessee Valley Healthcare System, Veterans Administration, 1310 24th Avenue South, Nashville, TN, 37212, USA
| | - W Dale Plummer
- Department of Biostatistics, Vanderbilt University Medical Center, 2525 West End Avenue, Nashville, TN, 37203, USA
| | - Sam S Chang
- Department of Urology, Vanderbilt University Medical Center, A-1302 Medical Center North, 1161 21st Avenue South, Nashville, TN, 37232, USA
| | - Michael S Cookson
- Department of Urology, University of Oklahoma Health Sciences Center, Suite 3150, 920 SL Young Boulevard, Oklahoma City, OK, 73104, USA
| | - Joseph A Smith
- Department of Urology, Vanderbilt University Medical Center, A-1302 Medical Center North, 1161 21st Avenue South, Nashville, TN, 37232, USA
| | - Elizabeth E Blue
- Department of Medicine, Division of Medical Genetics, University of Washington, HSB H132, Seattle, WA, 98195, USA
| | - Michael J Bamshad
- Department of Pediatrics, Division of Genetic Medicine, and Center for Mendelian Genomics, University of Washington, HSB RR349, 1959 NE Pacific Street, Seattle, WA, 98195, USA
| | - Jeffrey R Smith
- Department of Medicine, Division of Genetic Medicine, Vanderbilt-Ingram Cancer Center, and Vanderbilt Genetics Institute, Vanderbilt University Medical Center, 507 Light Hall, 2215 Garland Avenue, Nashville, TN, 37232, USA.
- Medical Research Service, Tennessee Valley Healthcare System, Veterans Administration, 1310 24th Avenue South, Nashville, TN, 37212, USA.
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