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Rousseau F, Lindsay C, Labelle Y, Giguère Y. Measuring the chronology of the translational process of molecular genetic discoveries. ACTA ACUST UNITED AC 2019; 57:1136-1141. [DOI: 10.1515/cclm-2018-1126] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Accepted: 02/21/2019] [Indexed: 02/03/2023]
Abstract
Abstract
Background
The process of technology validation and transfer of new molecular diagnostic tests towards the clinic faces challenges and needs to be improved. There is no empirical measure of the chronology and pace of technology transfer of molecular genetic discoveries.
Methods
We studied these for 29 molecular genetic test discoveries in order to (1) provide estimates of the timeframe between discovery of a clinical application and complete clinical implementation, and (2) compare the trajectories between different new tests to identify common patterns. We identified 11 publicly available “timestamps” for the technology transfer process ranging from discovery of the marker to use in a clinical setting. For each test selected, we searched public databases to identify available timestamps and dates. We plotted and compared trajectories of individual tests, including chronology.
Results
We show that there is much variability in the chronology of transfer between biomarkers. The median time between discovery of the marker and availability of the clinical test was 9.5 years (minimum 1). There was a median time of 18 years between test discovery and FDA approval (minimum 7 years), and it took a median of 17 years between discovery and the availability of a certified reference material for the 10 assays that have one (minimum 9 years).
Conclusions
We conclude that new molecular genetic tests take significant time between discovery and clinical implementation, and that further work is needed to pinpoint key factors, including policy and organization factors, that may allow for improving and streamlining this process.
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(Very) Early technology assessment and translation of predictive biomarkers in breast cancer. Cancer Treat Rev 2017; 52:117-127. [DOI: 10.1016/j.ctrv.2016.11.008] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2016] [Revised: 11/20/2016] [Accepted: 11/21/2016] [Indexed: 11/23/2022]
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Health Behaviors and Psychological Distress in Women Initiating BRCA1/2 Genetic Testing: Comparison with Control Population. J Genet Couns 2008; 17:314-26. [DOI: 10.1007/s10897-008-9150-7] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2007] [Accepted: 01/25/2008] [Indexed: 10/22/2022]
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Durocher F, Labrie Y, Ouellette G, Simard J. Genetic sequence variations and ADPRT haplotype analysis in French Canadian families with high risk of breast cancer. J Hum Genet 2007; 52:963-977. [PMID: 17943227 DOI: 10.1007/s10038-007-0203-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2007] [Accepted: 09/21/2007] [Indexed: 01/13/2023]
Abstract
The poly(ADP-ribose) polymerase (PARP/ADPRT) protein family catalyzes the synthesis of cellular poly(ADP-ribose) following DNA damage and is involved in genomic integrity by regulating cellular responses to DNA damage and apoptosis. Moreover, ADPRT inhibition contributes to a protective effect against cancer development. These findings render ADPRT an attractive candidate susceptibility gene for breast cancer, and thus the goal of this study was to evaluate the possible involvement of ADPRT sequence variations in breast cancer susceptibility. The complete sequence of the 23 exons and flanking intronic sequences of the ADPRT gene was analyzed in 54 affected individuals from distinct high-risk non-BRCA1/2 French Canadian families. No deleterious truncating mutation was identified in the coding region. However, 34 sequence variations were identified, among which seven are coding variants and seven are novel changes. All coding variants and intronic changes located in the vicinity of the coding variants identified in the case series were also analyzed in a cohort of 73 unrelated healthy French Canadian individuals. Interestingly, one missense variant (Pro377Ser) was observed in three different breast cancer cases but was not present among unaffected individuals. We have conducted here an exhaustive detailed mutation and haplotype tagging analysis of the ADPRT gene with regard to breast cancer, providing useful data for other large-scale association studies. Additional studies in other cohorts and other populations are however needed to further evaluate the implication of the Pro377Ser missense variant with regard to breast cancer susceptibility.
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Affiliation(s)
- Francine Durocher
- Cancer Genomics Laboratory, Oncology and Molecular Endocrinology Research Centre, Centre Hospitalier Universitaire de Québec and Laval University, 2705 Laurier Boulevard, T2-53, Québec City, QC, Canada, G1V 4G2.
| | - Yvan Labrie
- Cancer Genomics Laboratory, Oncology and Molecular Endocrinology Research Centre, Centre Hospitalier Universitaire de Québec and Laval University, 2705 Laurier Boulevard, T2-53, Québec City, QC, Canada, G1V 4G2
| | - Geneviève Ouellette
- Cancer Genomics Laboratory, Oncology and Molecular Endocrinology Research Centre, Centre Hospitalier Universitaire de Québec and Laval University, 2705 Laurier Boulevard, T2-53, Québec City, QC, Canada, G1V 4G2
| | | | - Jacques Simard
- Cancer Genomics Laboratory, Oncology and Molecular Endocrinology Research Centre, Centre Hospitalier Universitaire de Québec and Laval University, 2705 Laurier Boulevard, T2-53, Québec City, QC, Canada, G1V 4G2
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Carlson J. Biobanking and biorepositories: looking to the future. Per Med 2007; 4:369-371. [PMID: 29788659 DOI: 10.2217/17410541.4.3.369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
- Joyce Carlson
- University Hospital MAS, Clinical Chemistry, Entrance 71, 205-02 Malmö, Sweden.
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Godard B, Pratte A, Dumont M, Simard-Lebrun A, Simard J. Factors associated with an individual's decision to withdraw from genetic testing for breast and ovarian cancer susceptibility: implications for counseling. ACTA ACUST UNITED AC 2007; 11:45-54. [PMID: 17394392 DOI: 10.1089/gte.2006.9998] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Our study aimed to examine why individuals withdraw from genetic testing for breast and ovarian cancer susceptibility. We explored the characteristics of 334 individuals from high-risk breast and ovarian cancer families who declined genetic testing for BRCA1/2 mutations, when, and why they did so. Individuals who declined genetic testing were older, and a greater proportion had never developed breast or ovarian cancer. Fifty one per cent (51.1%) of individuals withdrew after the first genetic counseling session. Most of those who declined were afraid of the psychological effects of genetic testing (36.3%). The next most-cited explanations concerned logistic problems such as a limited ability to travel, lack of time, personal issues, advanced age, or health problems (21.7%). The third category included individuals who did not see any advantage in being tested (14.5%). Insurability was a concern (5.9%), mainly for men. Surprisingly, confidentiality was not a frequently reported issue (1.3%). Sixty eight per cent (68%) of individuals belonging to a family in which at least one individual has been tested withdrew after the presence of a deleterious BRCA1/2 mutation in a relative was disclosed, compared to 42% after the disclosure of a nonconclusive test result in at least one relative. Concern about the psychological effects of the result was still one of the major reasons. Several factors may influence an individual's decision to decline genetic testing; a greater understanding of these issues may help health professionals to better meet the needs and concerns of individuals from high-risk families, thus possibly improving their health outcomes.
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Affiliation(s)
- Béatrice Godard
- Department of Preventive and Social Medicine, Bioethics Programs, University of Montreal, Montreal, Quebec, Canada.
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Dorval M, Vallée MH, Plante M, Chiquette J, Gaudet M, Simard J. Effect of the Women's Health Initiative Study Publication on Hormone Replacement Therapy Use among Women Who Have Undergone BRCA1/2 Testing. Cancer Epidemiol Biomarkers Prev 2007; 16:157-60. [PMID: 17220345 DOI: 10.1158/1055-9965.epi-06-0340] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Since the publication, in July 2002, of the Women's Health Initiative (WHI) study, use of hormone replacement therapy (HRT) has decreased substantially in the general population. However, little is known about the effect of WHI study results on HRT use among women at high risk of breast cancer. The purpose of this study is to compare HRT use, prepublication versus postpublication of the WHI study, among women tested for BRCA1/2 mutations. METHODS Participants were >35 years of age and had received their result of genetic testing (delivered within the interdisciplinary research program Interdisciplinary Health Research International Team on Breast Cancer Susceptibility), no later than February 28, 2005. HRT use was reported in self-administered questionnaires, 1 year after result disclosure. Women returning their questionnaire before July 17, 2002 were classified as pre-WHI, whereas those returning it after October 15, 2002 comprised the post-WHI group. RESULTS Four hundred fifty-seven women (199 and 258 in the pre-WIH and post-WHI groups, respectively) were included in this analysis. Globally, there was no difference in HRT use between prepublication and postpublication of the WHI study (8% and 11%, respectively; prevalence ratio, 0.74; 95% confidence interval, 0.43-1.28). However, noncarriers of the familial mutation were less likely to use HRT after publication of the WHI study results (9%) than before (21%; P = 0.03). CONCLUSIONS Overall, HRT use among women tested for BRCA1/2 mutations is relatively low and apparently uninfluenced by the WHI study findings. However, the HRT use reduction among noncarriers is similar to that of women in the general population and consistent with the Canadian Cancer Society's recent HRT use recommendations.
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Affiliation(s)
- Michel Dorval
- Faculté de pharmacie, Université Laval, Quebec, Canada.
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Durocher F, Labrie Y, Soucy P, Sinilnikova O, Labuda D, Bessette P, Chiquette J, Laframboise R, Lépine J, Lespérance B, Ouellette G, Pichette R, Plante M, Tavtigian SV, Simard J. Mutation analysis and characterization of ATR sequence variants in breast cancer cases from high-risk French Canadian breast/ovarian cancer families. BMC Cancer 2006; 6:230. [PMID: 17010193 PMCID: PMC1599749 DOI: 10.1186/1471-2407-6-230] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2006] [Accepted: 09/29/2006] [Indexed: 02/08/2023] Open
Abstract
Background Ataxia telangiectasia-mutated and Rad3-related (ATR) is a member of the PIK-related family which plays, along with ATM, a central role in cell-cycle regulation. ATR has been shown to phosphorylate several tumor suppressors like BRCA1, CHEK1 and TP53. ATR appears as a good candidate breast cancer susceptibility gene and the current study was designed to screen for ATR germline mutations potentially involved in breast cancer predisposition. Methods ATR direct sequencing was performed using a fluorescent method while widely available programs were used for linkage disequilibrium (LD), haplotype analyses, and tagging SNP (tSNP) identification. Expression analyses were carried out using real-time PCR. Results The complete sequence of all exons and flanking intronic sequences were analyzed in DNA samples from 54 individuals affected with breast cancer from non-BRCA1/2 high-risk French Canadian breast/ovarian families. Although no germline mutation has been identified in the coding region, we identified 41 sequence variants, including 16 coding variants, 3 of which are not reported in public databases. SNP haplotypes were established and tSNPs were identified in 73 healthy unrelated French Canadians, providing a valuable tool for further association studies involving the ATR gene, using large cohorts. Our analyses led to the identification of two novel alternative splice transcripts. In contrast to the transcript generated by an alternative splicing site in the intron 41, the one resulting from a deletion of 121 nucleotides in exon 33 is widely expressed, at significant but relatively low levels, in both normal and tumoral cells including normal breast and ovarian tissue. Conclusion Although no deleterious mutations were identified in the ATR gene, the current study provides an haplotype analysis of the ATR gene polymorphisms, which allowed the identification of a set of SNPs that could be used as tSNPs for large-scale association studies. In addition, our study led to the characterization of a novel Δ33 splice form, which could generate a putative truncated protein lacking several functional domains. Additional studies in large cohorts and other populations will be needed to further evaluate if common and/or rare ATR sequence variants can be associated with a modest or intermediate breast cancer risk.
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Affiliation(s)
- Francine Durocher
- Cancer Genomics Laboratory, Oncology and Molecular Endocrinology Research Centre, Centre Hospitalier Universitaire de Québec and Laval University, Québec, G1V 4G2, Canada
| | - Yvan Labrie
- Cancer Genomics Laboratory, Oncology and Molecular Endocrinology Research Centre, Centre Hospitalier Universitaire de Québec and Laval University, Québec, G1V 4G2, Canada
| | - Penny Soucy
- Cancer Genomics Laboratory, Oncology and Molecular Endocrinology Research Centre, Centre Hospitalier Universitaire de Québec and Laval University, Québec, G1V 4G2, Canada
| | - Olga Sinilnikova
- Unité Mixte de Génétique Constitutionnelle des Cancers Fréquents, Hospices Civils de Lyon/Centre Léon Bérard, Lyon, France
| | - Damian Labuda
- Centre de cancérologie Charles Bruneau, Ste-Justine Hospital, Montréal, Canada
| | - Paul Bessette
- Service de gynécologie, Centre Hospitalier Universitaire de Sherbrooke, Fleurimont, Canada
| | - Jocelyne Chiquette
- Clinique des maladies du sein Deschênes-Fabia, Hôpital du Saint-Sacrement, Québec, G1S 4L8, Canada
| | - Rachel Laframboise
- Service de médecine génétique, CHUQ, Pavillon CHUL, Québec, G1V 4G2, Canada
| | - Jean Lépine
- Centre hospitalier régional de Rimouski, Rimouski, G5L 5T1, Canada
| | | | - Geneviève Ouellette
- Cancer Genomics Laboratory, Oncology and Molecular Endocrinology Research Centre, Centre Hospitalier Universitaire de Québec and Laval University, Québec, G1V 4G2, Canada
| | - Roxane Pichette
- Service d'hémato-oncologie, Hôpital du Sacré-Cœur, Montréal, Canada
| | - Marie Plante
- Service de gynécologie, CHUQ, L'Hôtel-Dieu de Québec, Québec, G1R 2J6, Canada
| | - Sean V Tavtigian
- Unit of Genetic Cancer Susceptibility, International Agency for Research on Cancer, World Health Organization, Lyon, France
| | - Jacques Simard
- Cancer Genomics Laboratory, Oncology and Molecular Endocrinology Research Centre, Centre Hospitalier Universitaire de Québec and Laval University, Québec, G1V 4G2, Canada
- Canada Research Chair in Oncogenetics, Department of Anatomy and Physiology, Laval University, Québec, Canada
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Simard J, Dumont M, Moisan AM, Gaborieau V, Malouin H, Durocher F, Chiquette J, Plante M, Avard D, Bessette P, Brousseau C, Dorval M, Godard B, Houde L, Joly Y, Lajoie MA, Leblanc G, Lépine J, Lespérance B, Vézina H, Parboosingh J, Pichette R, Provencher L, Rhéaume J, Sinnett D, Samson C, Simard JC, Tranchant M, Voyer P, Easton D, Tavtigian SV, Knoppers BM, Laframboise R, Bridge P, Goldgar D. Evaluation of BRCA1 and BRCA2 mutation prevalence, risk prediction models and a multistep testing approach in French-Canadian families with high risk of breast and ovarian cancer. J Med Genet 2006; 44:107-21. [PMID: 16905680 PMCID: PMC2598057 DOI: 10.1136/jmg.2006.044388] [Citation(s) in RCA: 62] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
BACKGROUND AND OBJECTIVE In clinical settings with fixed resources allocated to predictive genetic testing for high-risk cancer predisposition genes, optimal strategies for mutation screening programmes are critically important. These depend on the mutation spectrum found in the population under consideration and the frequency of mutations detected as a function of the personal and family history of cancer, which are both affected by the presence of founder mutations and demographic characteristics of the underlying population. The results of multistep genetic testing for mutations in BRCA1 or BRCA2 in a large series of families with breast cancer in the French-Canadian population of Quebec, Canada are reported. METHODS A total of 256 high-risk families were ascertained from regional familial cancer clinics throughout the province of Quebec. Initially, families were tested for a panel of specific mutations known to occur in this population. Families in which no mutation was identified were then comprehensively tested. Three algorithms to predict the presence of mutations were evaluated, including the prevalence tables provided by Myriad Genetics Laboratories, the Manchester Scoring System and a logistic regression approach based on the data from this study. RESULTS 8 of the 15 distinct mutations found in 62 BRCA1/BRCA2-positive families had never been previously reported in this population, whereas 82% carried 1 of the 4 mutations currently observed in > or =2 families. In the subset of 191 families in which at least 1 affected individual was tested, 29% carried a mutation. Of these 27 BRCA1-positive and 29 BRCA2-positive families, 48 (86%) were found to harbour a mutation detected by the initial test. Among the remaining 143 inconclusive families, all 8 families found to have a mutation after complete sequencing had Manchester Scores > or =18. The logistic regression and Manchester Scores provided equal predictive power, and both were significantly better than the Myriad Genetics Laboratories prevalence tables (p<0.001). A threshold of Manchester Score > or =18 provided an overall sensitivity of 86% and a specificity of 82%, with a positive predictive value of 66% in this population. CONCLUSION In this population, a testing strategy with an initial test using a panel of reported recurrent mutations, followed by full sequencing in families with Manchester Scores > or =18, represents an efficient test in terms of overall cost and sensitivity.
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Affiliation(s)
- Jacques Simard
- Cancer Genomics Laboratory, Oncology and Molecular Endocrinology Research Centre, Centre Hospitalier Universitaire de Québec, Laval University, Quebec City, Quebec, Canada.
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Moisan AM, Fortin J, Dumont M, Samson C, Bessette P, Chiquette J, Laframboise R, Lépine J, Lespérance B, Pichette R, Plante M, Provencher L, Voyer P, Goldgar D, Bridge P, Simard J. No Evidence of BRCA1/2 Genomic Rearrangements in High-Risk French-Canadian Breast/Ovarian Cancer Families. ACTA ACUST UNITED AC 2006; 10:104-15. [PMID: 16792513 DOI: 10.1089/gte.2006.10.104] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
The discovery of deleterious mutations in the breast and ovarian cancer susceptibility genes, BRCA1 and BRCA2, has facilitated the identification of individuals at particularly high risk of these diseases. There is a wide variation between populations in the prevalence and related risks of various types of BRCA1/2 mutations, so estimates cannot be extrapolated to Canadians, especially not founder populations such as French- Canadians. Polymerase chain reaction (PCR)-based methods were used to detect the majority of these mutations. These approaches usually failed to detect large DNA rearrangements, which have been claimed to be involved in other populations in 5% to up to 36% of BRCA1-positive families. There is very little information about the contribution of this type of mutation in BRCA2-positive families. To investigate if our available mutation spectrum of BRCA1 and BRCA2 in high-risk French-Canadian breast/ovarian cancer families has been biased by PCR-based direct sequencing methods, we first used Southern blot analysis to test DNA samples from 61 affected/obligate carrier individuals from 58 families in which no BRCA1/2 deleterious mutation was found. Finally, 154 individuals from 135 BRCA1/2 nonconclusive families, including all those tested previously by Southern blot analysis, were tested with the new multiplex ligation probe amplification (MLPA) technique. These approaches failed to detect any rearrangement. Moreover, if the frequency of MLPA-detectable rearrangements in our cohort of 135 BRCA1/2 nonconclusive families was 2.2% or higher, we would have had a 95% or greater chance of observing at least one such rearrangement. As no rearrangements were identified, such large rearrangements must be quite rare in our population.
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Affiliation(s)
- Anne-Marie Moisan
- Cancer Genomics Laboratory, Oncology and Molecular Endocrinology Research Center, Centre Hospitalier Universitaire de Québec, and Laval University, Québec
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Antoniou AC, Durocher F, Smith P, Simard J, Easton DF. BRCA1 and BRCA2 mutation predictions using the BOADICEA and BRCAPRO models and penetrance estimation in high-risk French-Canadian families. Breast Cancer Res 2005; 8:R3. [PMID: 16417652 PMCID: PMC1413985 DOI: 10.1186/bcr1365] [Citation(s) in RCA: 67] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2005] [Revised: 11/07/2005] [Accepted: 11/09/2005] [Indexed: 02/08/2023] Open
Abstract
Introduction Several genetic risk models for breast and ovarian cancer have been developed, but their applicability to specific populations has not been evaluated. We used data from French-Canadian families to evaluate the mutation predictions given by the BRCAPRO and BOADICEA models. We also used this data set to estimate the age-specific risks for breast and ovarian cancer in BRCA1 and BRCA2 mutation carriers. Methods A total of 195 families with multiple affected individuals with breast or ovarian cancer were recruited through the INHERIT (INterdisciplinary HEalth Research International Team on BReast CAncer susceptibility) BRCAs research program. Observed BRCA1 and BRCA2 mutation status was compared with predicted carrier probabilities under the BOADICEA and BRCAPRO models. The models were assessed using Brier scores, attributes diagrams and receiver operating characteristic curves. Log relative risks for breast and ovarian cancer in mutation carriers versus population risks were estimated by maximum likelihood, using a modified segregation analysis implemented in the computer program MENDEL. Twenty-five families were eligible for inclusion in the BRCA1 penetrance analysis and 27 families were eligible for the BRCA2 penetrance analysis. Results The BOADICEA model predicted accurately the number of BRCA1 and BRCA2 mutations for the various groups of families, and was found to discriminate well at the individual level between carriers and noncarriers. BRCAPRO over-predicted the number of mutations in almost all groups of families, in particular the number of BRCA1 mutations. It significantly overestimated the carrier frequency for high predicted probabilities. However, it discriminated well between carriers and noncarriers. Receiver operating characteristic (ROC) curves indicate similar sensitivity and specificity for BRCAPRO and BOADICEA. The estimated risks for breast and ovarian cancer in BRCA1 and BRCA2 mutation carriers were consistent with previously published estimates. Conclusion The BOADICEA model predicts accurately the carrier probabilities in French-Canadian families and may be used for counselling in this population. None of the penetrance estimates was significantly different from previous estimates, suggesting that previous estimates may be appropriate for counselling in this population.
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Affiliation(s)
- Antonis C Antoniou
- Cancer Research UK Genetic Epidemiology Unit, Strangeways Research Laboratory, Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK
| | - Francine Durocher
- Cancer Genomics Laboratory, Oncology and Molecular Endocrinology Research Center, Centre Hospitalier, Universitaire de Québec and Laval University, Québec, Canada
| | - Paula Smith
- Cancer Research UK Genetic Epidemiology Unit, Strangeways Research Laboratory, Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK
| | - Jacques Simard
- Cancer Genomics Laboratory, Oncology and Molecular Endocrinology Research Center, Centre Hospitalier, Universitaire de Québec and Laval University, Québec, Canada
| | - INHERIT BRCAs program members
- Other members of the INHERIT (INterdisciplinary HEalth Research International Team on BReast CAncer susceptibility) BRCAs involved in clinical aspects of the program are listed in the Acknowledgments section
| | - Douglas F Easton
- Cancer Research UK Genetic Epidemiology Unit, Strangeways Research Laboratory, Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK
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