Evidence

MammaPrint and BluePrint Molecular Diagnostics Using Targeted RNA Next-Generation Sequencing Technology

September 1, 2019

PUBLICATION: Journal of Molecular Diagnostics September 2019 Volume 21, Issue 5, Pages 808–823. AUTHORS: Lorenza Mittempergher, Leonie J.M.J. Delahaye, Anke T. Witteveen, Jacob B. Spangler, Fariet Hassenmahomed, Sammy Mee, Soufiane Mahmoudi, Jiang Chen, Simon Bao, Mireille H.J. Snel, Sandra Leidelmeijer, Naomi Besseling, Anne Bergstrom Lucas, Carlos Pabón-Peña, Sabine C. Linn, Christa Dreezen, Diederik Wehkamp, Bob Y. Chan,…

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Estrogen Receptor Variants in ER-Positive Basal-Type Breast Cancers Responding to Therapy Like ER-Negative Breast Cancers

April 18, 2019

PUBLICATION: npj Breast Cancer; volume 5, Article number: 15 (2019). AUTHORS: Floris H. Groenendijk, Tina Treece, Erin Yoder, Paul Baron, Peter Beitsch, William Audeh, Winand N. M. Dinjens, Rene Bernards & Pat Whitworth ABSTRACT: Immunohistochemically ER-positive HER2-negative (ER+HER2−) breast cancers are classified clinically as Luminal-type. We showed previously that molecular subtyping using the 80-gene signature (80-GS) reclassified a…

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Reclassification of Early Stage Breast Cancer Into Treatment Groups by Combining the Use of Immunohistochemistry and Microarray Analysis

March 27, 2019

PUBLICATION: Vol 115 No 3/4 (2019): South African Journal of Science. AUTHORS: Kathleen A. Grant; Ettienne J. Myburgh; Elizabeth Murray; Fredrieka M. Pienaar; Martin Kidd; Colleen A. Wright; Maritha J. Kotze SUMMARY: Neither single-gene genomic mRNA nor IHC reporting of ER and PR status can replace the combined use of MammaPrint/BluePrint genomic molecular subtyping. -128 patients. Read more:…

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Molecular Subtyping Improves Diagnostic Stratification of Patients with Primary Breast Cancer into Prognostically-Defined Risk Groups

November 1, 2015

PUBLICATION: Breast Cancer Res Treat (2015) 154: 81. https://doi.org/10.1007/s10549-015-3587-9. AUTHORS: Katharine Yao, Robert Goldschmidt, Mary TurkJelle Wesseling, Lisette Stork-Sloots, Femke de Snoo, Massimo Cristofanilli SUMMARY: Retrospective, observational study comparing MP+BP subtyping with long-term outcomes: MammaPrint low-risk patients had a 10-year DMFS of 96 % (95 %CI 92.8–99.4), while MammaPrint high-risk patients had a 10-year DMFS of 87%. Read…

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Estrogen Receptor Splice Variants as a Potential Source of False-Positive Estrogen Receptor Status in Breast Cancer Diagnostics

August 4, 2013

PUBLICATION: Breast Cancer Res Treat (2013) 140:475–484 DOI 10.1007/s10549-013-2648-1 AUTHORS: Floris H. Groenendijk, Wilbert Zwart, Arno Floore, Stephanie Akbari, Rene Bernards ABSTRACT: It is well established that only estrogen receptor (ER)-positive tumors benefit from hormonal therapies. We hypothesized that a subgroup of breast cancer patients expresses estrogen receptor α (ERα), but fails to respond to hormonal therapy due…

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Comparison of Molecular Subtyping with BluePrint, MammaPrint, and TargetPrint to Local Clinical Subtyping in Breast Cancer Patients

August 15, 2012

PUBLICATION: Ann Surg Oncol. 2012 Oct;19(10):3257-63. doi: 10.1245/s10434-012-2561-6. Epub 2012 Aug 15. AUTHORS: Nguyen B., Cusumano P.G., Deck K., Kerlin D., Garcia A.A., Barone J..L, Rivera E., Yao K., de Snoo F.A., van den Akker J., Stork-Sloots L., Generali D. SUMMARY: The concordance between BluePrint and IHC/FISH subtyping was 94% for the Luminal-type, 95% for the HER2-type, and…

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A Diagnostic Gene Profile for Molecular Subtyping of Breast Cancer Associated with Treatment Response

May 1, 2012

PUBLICATION: Breast Cancer Res Treat (2012) 133: 37. https://doi.org/10.1007/s10549-011-1683-z. AUTHORS: Oscar Krijgsman, Paul Roepman, Wilbert Zwart, Jason S. Carroll, Sun Tian, Femke A. de Snoo, Richard A. Bender, Rene Bernards, Annuska M. Glas SUMMARY: BluePrint classification of a patient cohort that was treated with neoadjuvant chemotherapy (n = 133) shows improved distribution of pathological Complete Response (pCR), among…

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