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Review
. 2016 May;141(2):386-401.
doi: 10.1016/j.ygyno.2015.04.034. Epub 2015 May 2.

No clinical utility of KRAS variant rs61764370 for ovarian or breast cancer

Ovarian Cancer Association Consortium, Breast Cancer Association Consortium, and Consortium of Modifiers of BRCA1 and BRCA2Antoinette Hollestelle  1 Frederieke H van der Baan  2 Andrew Berchuck  3 Sharon E Johnatty  4 Katja K Aben  5 Bjarni A Agnarsson  6 Kristiina Aittomäki  7 Elisa Alducci  8 Irene L Andrulis  9 Hoda Anton-Culver  10 Natalia N Antonenkova  11 Antonis C Antoniou  12 Carmel Apicella  13 Volker Arndt  14 Norbert Arnold  15 Banu K Arun  16 Brita Arver  17 Alan Ashworth  18 Australian Ovarian Cancer Study Group  19 Laura Baglietto  20 Rosemary Balleine  21 Elisa V Bandera  22 Daniel Barrowdale  12 Yukie T Bean  23 Lars Beckmann  24 Matthias W Beckmann  25 Javier Benitez  26 Andreas Berger  27 Raanan Berger  28 Benoit Beuselinck  29 Maria Bisogna  30 Line Bjorge  31 Carl Blomqvist  32 Natalia V Bogdanova  33 Anders Bojesen  34 Stig E Bojesen  35 Manjeet K Bolla  12 Bernardo Bonanni  36 Judith S Brand  37 Hiltrud Brauch  38 Breast Cancer Family Register  39 Hermann Brenner  14 Louise Brinton  40 Angela Brooks-Wilson  41 Fiona Bruinsma  20 Joan Brunet  42 Thomas Brüning  43 Agnieszka Budzilowska  44 Clareann H Bunker  45 Barbara Burwinkel  46 Ralf Butzow  47 Saundra S Buys  48 Maria A Caligo  49 Ian Campbell  50 Jonathan Carter  51 Jenny Chang-Claude  52 Stephen J Chanock  40 Kathleen B M Claes  53 J Margriet Collée  54 Linda S Cook  55 Fergus J Couch  56 Angela Cox  57 Daniel Cramer  58 Simon S Cross  59 Julie M Cunningham  60 Cezary Cybulski  61 Kamila Czene  37 Francesca Damiola  62 Agnieszka Dansonka-Mieszkowska  44 Hatef Darabi  37 Miguel de la Hoya  63 Anna deFazio  64 Joseph Dennis  12 Peter Devilee  65 Ed M Dicks  66 Orland Diez  67 Jennifer A Doherty  68 Susan M Domchek  69 Cecilia M Dorfling  70 Thilo Dörk  71 Isabel Dos Santos Silva  72 Andreas du Bois  73 Martine Dumont  74 Alison M Dunning  66 Mercedes Duran  75 Douglas F Easton  76 Diana Eccles  77 Robert P Edwards  78 Hans Ehrencrona  79 Bent Ejlertsen  80 Arif B Ekici  81 Steve D Ellis  12 EMBRACE  12 Christoph Engel  82 Mikael Eriksson  37 Peter A Fasching  83 Lidia Feliubadalo  84 Jonine Figueroa  40 Dieter Flesch-Janys  85 Olivia Fletcher  18 Annette Fontaine  86 Stefano Fortuzzi  87 Florentia Fostira  88 Brooke L Fridley  89 Tara Friebel  90 Eitan Friedman  91 Grace Friel  92 Debra Frost  12 Judy Garber  93 Montserrat García-Closas  18 Simon A Gayther  94 GEMO Study Collaborators  95 GENICA Network  96 Aleksandra Gentry-Maharaj  97 Anne-Marie Gerdes  98 Graham G Giles  20 Rosalind Glasspool  99 Gord Glendon  100 Andrew K Godwin  101 Marc T Goodman  102 Martin Gore  103 Mark H Greene  104 Mervi Grip  105 Jacek Gronwald  106 Daphne Gschwantler Kaulich  27 Pascal Guénel  107 Starr R Guzman  108 Lothar Haeberle  25 Christopher A Haiman  94 Per Hall  37 Sandra L Halverson  109 Ute Hamann  110 Thomas V O Hansen  111 Philipp Harter  73 Jaana M Hartikainen  112 Sue Healey  4 HEBON  113 Alexander Hein  114 Florian Heitz  73 Brian E Henderson  94 Josef Herzog  115 Michelle A T Hildebrandt  116 Claus K Høgdall  117 Estrid Høgdall  118 Frans B L Hogervorst  119 John L Hopper  13 Keith Humphreys  37 Tomasz Huzarski  106 Evgeny N Imyanitov  120 Claudine Isaacs  121 Anna Jakubowska  106 Ramunas Janavicius  122 Katarzyna Jaworska  123 Allan Jensen  124 Uffe Birk Jensen  125 Nichola Johnson  18 Arja Jukkola-Vuorinen  126 Maria Kabisch  110 Beth Y Karlan  127 Vesa Kataja  128 Noah Kauff  129 KConFab Investigators  130 Linda E Kelemen  131 Michael J Kerin  132 Lambertus A Kiemeney  133 Susanne K Kjaer  134 Julia A Knight  135 Jacoba P Knol-Bout  2 Irene Konstantopoulou  88 Veli-Matti Kosma  112 Camilla Krakstad  31 Vessela Kristensen  136 Karoline B Kuchenbaecker  12 Jolanta Kupryjanczyk  44 Yael Laitman  91 Diether Lambrechts  137 Sandrina Lambrechts  138 Melissa C Larson  139 Adriana Lasa  140 Pierre Laurent-Puig  141 Conxi Lazaro  84 Nhu D Le  142 Loic Le Marchand  143 Arto Leminen  144 Jenny Lester  127 Douglas A Levine  30 Jingmei Li  37 Dong Liang  145 Annika Lindblom  146 Noralane Lindor  147 Jolanta Lissowska  148 Jirong Long  109 Karen H Lu  149 Jan Lubinski  106 Lene Lundvall  117 Galina Lurie  143 Phuong L Mai  104 Arto Mannermaa  112 Sara Margolin  150 Frederique Mariette  87 Frederik Marme  151 John W M Martens  1 Leon F A G Massuger  152 Christine Maugard  153 Sylvie Mazoyer  62 Lesley McGuffog  12 Valerie McGuire  154 Catriona McLean  155 Iain McNeish  156 Alfons Meindl  157 Florence Menegaux  107 Primitiva Menéndez  158 Janusz Menkiszak  159 Usha Menon  97 Arjen R Mensenkamp  160 Nicola Miller  132 Roger L Milne  161 Francesmary Modugno  162 Marco Montagna  8 Kirsten B Moysich  92 Heiko Müller  14 Anna Marie Mulligan  163 Taru A Muranen  144 Steven A Narod  164 Katherine L Nathanson  69 Roberta B Ness  165 Susan L Neuhausen  166 Heli Nevanlinna  144 Patrick Neven  29 Finn C Nielsen  111 Sune F Nielsen  35 Børge G Nordestgaard  35 Robert L Nussbaum  167 Kunle Odunsi  92 Kenneth Offit  168 Edith Olah  169 Olufunmilayo I Olopade  170 Janet E Olson  108 Sara H Olson  171 Jan C Oosterwijk  172 Irene Orlow  171 Nick Orr  18 Sandra Orsulic  127 Ana Osorio  173 Laura Ottini  174 James Paul  99 Celeste L Pearce  94 Inge Sokilde Pedersen  175 Bernard Peissel  176 Tanja Pejovic  23 Liisa M Pelttari  144 Jo Perkins  12 Jenny Permuth-Wey  177 Paolo Peterlongo  178 Julian Peto  72 Catherine M Phelan  177 Kelly-Anne Phillips  179 Marion Piedmonte  180 Malcolm C Pike  181 Radka Platte  12 Joanna Plisiecka-Halasa  44 Elizabeth M Poole  182 Bruce Poppe  53 Katri Pylkäs  183 Paolo Radice  184 Susan J Ramus  94 Timothy R Rebbeck  185 Malcolm W R Reed  57 Gad Rennert  186 Harvey A Risch  187 Mark Robson  168 Gustavo C Rodriguez  188 Atocha Romero  63 Mary Anne Rossing  189 Joseph H Rothstein  154 Anja Rudolph  52 Ingo Runnebaum  190 Ritu Salani  191 Helga B Salvesen  31 Elinor J Sawyer  192 Joellen M Schildkraut  193 Marjanka K Schmidt  119 Rita K Schmutzler  194 Andreas Schneeweiss  151 Minouk J Schoemaker  195 Michael G Schrauder  25 Fredrick Schumacher  94 Ira Schwaab  196 Giulietta Scuvera  176 Thomas A Sellers  177 Gianluca Severi  20 Caroline M Seynaeve  1 Mitul Shah  66 Martha Shrubsole  109 Nadeem Siddiqui  197 Weiva Sieh  154 Jacques Simard  74 Christian F Singer  27 Olga M Sinilnikova  198 Dominiek Smeets  137 Christof Sohn  199 Maria Soller  200 Honglin Song  66 Penny Soucy  74 Melissa C Southey  201 Christa Stegmaier  202 Dominique Stoppa-Lyonnet  203 Lara Sucheston  92 SWE-BRCA  204 Anthony Swerdlow  205 Ingvild L Tangen  31 Muy-Kheng Tea  27 Manuel R Teixeira  206 Kathryn L Terry  58 Mary Beth Terry  207 Mads Thomassen  208 Pamela J Thompson  102 Laima Tihomirova  209 Marc Tischkowitz  210 Amanda Ewart Toland  211 Rob A E M Tollenaar  212 Ian Tomlinson  213 Diana Torres  214 Thérèse Truong  107 Helen Tsimiklis  201 Nadine Tung  215 Shelley S Tworoger  182 Jonathan P Tyrer  66 Celine M Vachon  108 Laura J Van 't Veer  119 Anne M van Altena  152 C J Van Asperen  216 David van den Berg  94 Ans M W van den Ouweland  54 Helena C van Doorn  217 Els Van Nieuwenhuysen  138 Elizabeth J van Rensburg  70 Ignace Vergote  138 Senno Verhoef  119 Robert A Vierkant  139 Joseph Vijai  129 Allison F Vitonis  218 Anna von Wachenfeldt  17 Christine Walsh  127 Qin Wang  12 Shan Wang-Gohrke  219 Barbara Wappenschmidt  194 Maren Weischer  35 Jeffrey N Weitzel  115 Caroline Weltens  29 Nicolas Wentzensen  40 Alice S Whittemore  154 Lynne R Wilkens  143 Robert Winqvist  183 Anna H Wu  94 Xifeng Wu  116 Hannah P Yang  40 Daniela Zaffaroni  176 M Pilar Zamora  220 Wei Zheng  109 Argyrios Ziogas  221 Georgia Chenevix-Trench  4 Paul D P Pharoah  66 Matti A Rookus  222 Maartje J Hooning  1 Ellen L Goode  108
Affiliations
Review

No clinical utility of KRAS variant rs61764370 for ovarian or breast cancer

Ovarian Cancer Association Consortium, Breast Cancer Association Consortium, and Consortium of Modifiers of BRCA1 and BRCA2 et al. Gynecol Oncol. 2016 May.

Abstract

Objective: Clinical genetic testing is commercially available for rs61764370, an inherited variant residing in a KRAS 3' UTR microRNA binding site, based on suggested associations with increased ovarian and breast cancer risk as well as with survival time. However, prior studies, emphasizing particular subgroups, were relatively small. Therefore, we comprehensively evaluated ovarian and breast cancer risks as well as clinical outcome associated with rs61764370.

Methods: Centralized genotyping and analysis were performed for 140,012 women enrolled in the Ovarian Cancer Association Consortium (15,357 ovarian cancer patients; 30,816 controls), the Breast Cancer Association Consortium (33,530 breast cancer patients; 37,640 controls), and the Consortium of Modifiers of BRCA1 and BRCA2 (14,765 BRCA1 and 7904 BRCA2 mutation carriers).

Results: We found no association with risk of ovarian cancer (OR=0.99, 95% CI 0.94-1.04, p=0.74) or breast cancer (OR=0.98, 95% CI 0.94-1.01, p=0.19) and results were consistent among mutation carriers (BRCA1, ovarian cancer HR=1.09, 95% CI 0.97-1.23, p=0.14, breast cancer HR=1.04, 95% CI 0.97-1.12, p=0.27; BRCA2, ovarian cancer HR=0.89, 95% CI 0.71-1.13, p=0.34, breast cancer HR=1.06, 95% CI 0.94-1.19, p=0.35). Null results were also obtained for associations with overall survival following ovarian cancer (HR=0.94, 95% CI 0.83-1.07, p=0.38), breast cancer (HR=0.96, 95% CI 0.87-1.06, p=0.38), and all other previously-reported associations.

Conclusions: rs61764370 is not associated with risk of ovarian or breast cancer nor with clinical outcome for patients with these cancers. Therefore, genotyping this variant has no clinical utility related to the prediction or management of these cancers.

Keywords: Breast cancer; Clinical outcome; Genetic association; KRAS variant; Ovarian cancer.

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Conflict of interest statement

Conflict of interest statement

There are no conflicts of interest to disclose.

Antoinette Hollestelle and Ellen L Goode had full access to all of the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis.

Figures

Fig. 1
Fig. 1
Regional association plots for variants within the genomic region 100 kb either side of KRAS and risk of ovarian and breast cancer. X-axis position is referent to position (bp) on chromosome 12, build GRCh37.p12; yellow line indicates position of KRAS; red triangle indicates rs61764370. Y-axis is — log10(p-values) from association tests for risk of A) ER-negative breast cancer, B) ER-positive breast cancer, C) breast cancer in BRCA1 mutation carriers, D) breast cancer in BRCA2 mutation carriers, E) epithelial ovarian cancer, F) epithelial ovarian cancer in BRCA1 mutation carriers, and G) epithelial ovarian cancer in BRCA2 mutation carriers. (For interpretation of the references to color in this figure legend, the reader is referred to the web version of this article.)
Fig. 2
Fig. 2
Power curve for modest risk variants according to the total sample size. X-axis is total sample size for which case–control ratio is 1:1. Y-axis is the statistical power (range 0 · 5–1 · 0) for variants given a range of risks, assuming alpha = 0 · 01 and minor allele frequency 0 · 09.

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