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Sato N, Tsujimoto M, Nakatsuji M, Tsuji H, Sugama Y, Shimazu K, Shimoda M, Ishihara H. Flow cytometric analysis for Ki67 assessment in formalin-fixed paraffin-embedded breast cancer tissue. BMC Biol 2024; 22:181. [PMID: 39183273 PMCID: PMC11346000 DOI: 10.1186/s12915-024-01980-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Accepted: 08/13/2024] [Indexed: 08/27/2024] Open
Abstract
BACKGROUND Pathologists commonly employ the Ki67 immunohistochemistry labelling index (LI) when deciding appropriate therapeutic strategies for patients with breast cancer. However, despite several attempts at standardizing the Ki67 LI, inter-observer and inter-laboratory bias remain problematic. We developed a flow cytometric assay that employed tissue dissociation, enzymatic treatment and a gating process to analyse Ki67 in formalin-fixed paraffin-embedded (FFPE) breast cancer tissue. RESULTS We demonstrated that mechanical homogenizations combined with thrombin treatment can be used to recover efficiently intact single-cell nuclei from FFPE breast cancer tissue. Ki67 in the recovered cell nuclei retained reactivity against the MIB-1 antibody, which has been widely used in clinical settings. Additionally, since the method did not alter the nucleoskeletal structure of tissues, the nuclei of cancer cells can be enriched in data analysis based on differences in size and complexity of nuclei of lymphocytes and normal mammary cells. In a clinical study using the developed protocol, Ki67 positivity was correlated with the Ki67 LI obtained by hot spot analysis by a pathologist in Japan (rho = 0.756, P < 0.0001). The number of cancer cell nuclei subjected to the analysis in our assay was more than twice the number routinely checked by pathologists in clinical settings. CONCLUSIONS The findings of this study showed the application of this new flow cytometry method could potentially be used to standardize Ki67 assessments in breast cancer.
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Affiliation(s)
- Natsuki Sato
- Nitto Boseki Co., Ltd, 2-4-1, Kojimachi, Chiyoda-ku, Tokyo, 102-8489, Japan
| | - Masahiko Tsujimoto
- Department of Diagnostic Pathology, Daini Osaka Police Hospital, 2-6-40 Karasugatsuji, Tennoji-Ku, Osaka, 543-8922, Japan
- Present Address: Osaka Pathology and Cytology Laboratory, 2-2-26 Kunijima, Higashiyodogawa-Ku, Osaka, 533-0024, Japan
| | - Masatoshi Nakatsuji
- Nitto Boseki Co., Ltd, 2-4-1, Kojimachi, Chiyoda-ku, Tokyo, 102-8489, Japan
- Department of Pathobiochemistry, Faculty of Pharmacy, Osaka Medical and Pharmaceutical University, 4-20-1 Nasahara, Takatsuki, Osaka, 569-1094, Japan
| | - Hiromi Tsuji
- Department of Diagnostic Pathology, Osaka Police Hospital, 10-31 Kitayamacho, Tennoji-Ku, Osaka, Japan
| | - Yuji Sugama
- Nitto Boseki Co., Ltd, 2-4-1, Kojimachi, Chiyoda-ku, Tokyo, 102-8489, Japan
| | - Kenzo Shimazu
- Department of Breast and Endocrine Surgery, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Masafumi Shimoda
- Department of Breast and Endocrine Surgery, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan.
| | - Hideki Ishihara
- Nitto Boseki Co., Ltd, 2-4-1, Kojimachi, Chiyoda-ku, Tokyo, 102-8489, Japan.
- Department of Research Support, National Institutes of Biomedical Innovation, Health and Nutrition, 7-6-8, Saito-Asagi, Ibaraki City, Osaka, 567-0085, Japan.
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Jung M, Song SG, Cho SI, Shin S, Lee T, Jung W, Lee H, Park J, Song S, Park G, Song H, Park S, Lee J, Kang M, Park J, Pereira S, Yoo D, Chung K, Ali SM, Kim SW. Augmented interpretation of HER2, ER, and PR in breast cancer by artificial intelligence analyzer: enhancing interobserver agreement through a reader study of 201 cases. Breast Cancer Res 2024; 26:31. [PMID: 38395930 PMCID: PMC10885430 DOI: 10.1186/s13058-024-01784-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 02/11/2024] [Indexed: 02/25/2024] Open
Abstract
BACKGROUND Accurate classification of breast cancer molecular subtypes is crucial in determining treatment strategies and predicting clinical outcomes. This classification largely depends on the assessment of human epidermal growth factor receptor 2 (HER2), estrogen receptor (ER), and progesterone receptor (PR) status. However, variability in interpretation among pathologists pose challenges to the accuracy of this classification. This study evaluates the role of artificial intelligence (AI) in enhancing the consistency of these evaluations. METHODS AI-powered HER2 and ER/PR analyzers, consisting of cell and tissue models, were developed using 1,259 HER2, 744 ER, and 466 PR-stained immunohistochemistry (IHC) whole-slide images of breast cancer. External validation cohort comprising HER2, ER, and PR IHCs of 201 breast cancer cases were analyzed with these AI-powered analyzers. Three board-certified pathologists independently assessed these cases without AI annotation. Then, cases with differing interpretations between pathologists and the AI analyzer were revisited with AI assistance, focusing on evaluating the influence of AI assistance on the concordance among pathologists during the revised evaluation compared to the initial assessment. RESULTS Reevaluation was required in 61 (30.3%), 42 (20.9%), and 80 (39.8%) of HER2, in 15 (7.5%), 17 (8.5%), and 11 (5.5%) of ER, and in 26 (12.9%), 24 (11.9%), and 28 (13.9%) of PR evaluations by the pathologists, respectively. Compared to initial interpretations, the assistance of AI led to a notable increase in the agreement among three pathologists on the status of HER2 (from 49.3 to 74.1%, p < 0.001), ER (from 93.0 to 96.5%, p = 0.096), and PR (from 84.6 to 91.5%, p = 0.006). This improvement was especially evident in cases of HER2 2+ and 1+, where the concordance significantly increased from 46.2 to 68.4% and from 26.5 to 70.7%, respectively. Consequently, a refinement in the classification of breast cancer molecular subtypes (from 58.2 to 78.6%, p < 0.001) was achieved with AI assistance. CONCLUSIONS This study underscores the significant role of AI analyzers in improving pathologists' concordance in the classification of breast cancer molecular subtypes.
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Affiliation(s)
- Minsun Jung
- Department of Pathology, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Seung Geun Song
- Department of Pathology, Seoul National University College of Medicine, Seoul, Republic of Korea
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - So-Woon Kim
- Department of Pathology, Kyung Hee University Hospital, Kyung Hee University College of Medicine, Seoul, Republic of Korea.
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Guerriero JL, Lin JR, Pastorello RG, Du Z, Chen YA, Townsend MG, Shimada K, Hughes ME, Ren S, Tayob N, Zheng K, Mei S, Patterson A, Taneja KL, Metzger O, Tolaney SM, Lin NU, Dillon DA, Schnitt SJ, Sorger PK, Mittendorf EA, Santagata S. Qualification of a multiplexed tissue imaging assay and detection of novel patterns of HER2 heterogeneity in breast cancer. NPJ Breast Cancer 2024; 10:2. [PMID: 38167908 PMCID: PMC10761880 DOI: 10.1038/s41523-023-00605-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Accepted: 12/02/2023] [Indexed: 01/05/2024] Open
Abstract
Emerging data suggests that HER2 intratumoral heterogeneity (ITH) is associated with therapy resistance, highlighting the need for new strategies to assess HER2 ITH. A promising approach is leveraging multiplexed tissue analysis techniques such as cyclic immunofluorescence (CyCIF), which enable visualization and quantification of 10-60 antigens at single-cell resolution from individual tissue sections. In this study, we qualified a breast cancer-specific antibody panel, including HER2, ER, and PR, for multiplexed tissue imaging. We then compared the performance of these antibodies against established clinical standards using pixel-, cell- and tissue-level analyses, utilizing 866 tissue cores (representing 294 patients). To ensure reliability, the CyCIF antibodies were qualified against HER2 immunohistochemistry (IHC) and fluorescence in situ hybridization (FISH) data from the same samples. Our findings demonstrate the successful qualification of a breast cancer antibody panel for CyCIF, showing high concordance with established clinical antibodies. Subsequently, we employed the qualified antibodies, along with antibodies for CD45, CD68, PD-L1, p53, Ki67, pRB, and AR, to characterize 567 HER2+ invasive breast cancer samples from 189 patients. Through single-cell analysis, we identified four distinct cell clusters within HER2+ breast cancer exhibiting heterogeneous HER2 expression. Furthermore, these clusters displayed variations in ER, PR, p53, AR, and PD-L1 expression. To quantify the extent of heterogeneity, we calculated heterogeneity scores based on the diversity among these clusters. Our analysis revealed expression patterns that are relevant to breast cancer biology, with correlations to HER2 ITH and potential relevance to clinical outcomes.
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Affiliation(s)
- Jennifer L Guerriero
- Division of Breast Surgery, Department of Surgery, Brigham and Women's Hospital, Boston, MA, 02115, USA.
- Breast Tumor Immunology Laboratory, Dana-Farber Cancer Institute, Boston, MA, 02215, USA.
- Ludwig Center for Cancer Research at Harvard, Harvard Medical School, Boston, MA, 02215, USA.
- Laboratory of Systems Pharmacology, Department of Systems Biology, Harvard Medical School, Boston, MA, 02215, USA.
| | - Jia-Ren Lin
- Ludwig Center for Cancer Research at Harvard, Harvard Medical School, Boston, MA, 02215, USA
- Laboratory of Systems Pharmacology, Department of Systems Biology, Harvard Medical School, Boston, MA, 02215, USA
| | - Ricardo G Pastorello
- Breast Tumor Immunology Laboratory, Dana-Farber Cancer Institute, Boston, MA, 02215, USA
- Department of Pathology, Hospital Sírio Libanês, São Paulo, SP, 01308-050, Brazil
| | - Ziming Du
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02115, USA
- Department of Molecular Diagnostics, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Yu-An Chen
- Laboratory of Systems Pharmacology, Department of Systems Biology, Harvard Medical School, Boston, MA, 02215, USA
| | - Madeline G Townsend
- Division of Breast Surgery, Department of Surgery, Brigham and Women's Hospital, Boston, MA, 02115, USA
- Breast Tumor Immunology Laboratory, Dana-Farber Cancer Institute, Boston, MA, 02215, USA
| | - Kenichi Shimada
- Division of Breast Surgery, Department of Surgery, Brigham and Women's Hospital, Boston, MA, 02115, USA
- Breast Tumor Immunology Laboratory, Dana-Farber Cancer Institute, Boston, MA, 02215, USA
- Ludwig Center for Cancer Research at Harvard, Harvard Medical School, Boston, MA, 02215, USA
- Laboratory of Systems Pharmacology, Department of Systems Biology, Harvard Medical School, Boston, MA, 02215, USA
| | - Melissa E Hughes
- Breast Oncology Program, Dana-Farber/Brigham and Women's Cancer Center, Boston, MA, 02215, USA
| | - Siyang Ren
- Department of Data Science, Dana-Farber Cancer Institute, Boston, MA, 02215, USA
| | - Nabihah Tayob
- Department of Data Science, Dana-Farber Cancer Institute, Boston, MA, 02215, USA
| | - Kelly Zheng
- Division of Breast Surgery, Department of Surgery, Brigham and Women's Hospital, Boston, MA, 02115, USA
| | - Shaolin Mei
- Laboratory of Systems Pharmacology, Department of Systems Biology, Harvard Medical School, Boston, MA, 02215, USA
| | - Alyssa Patterson
- Breast Oncology Program, Dana-Farber/Brigham and Women's Cancer Center, Boston, MA, 02215, USA
| | - Krishan L Taneja
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02115, USA
| | - Otto Metzger
- Breast Oncology Program, Dana-Farber/Brigham and Women's Cancer Center, Boston, MA, 02215, USA
| | - Sara M Tolaney
- Breast Oncology Program, Dana-Farber/Brigham and Women's Cancer Center, Boston, MA, 02215, USA
| | - Nancy U Lin
- Breast Oncology Program, Dana-Farber/Brigham and Women's Cancer Center, Boston, MA, 02215, USA
| | - Deborah A Dillon
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02115, USA
| | - Stuart J Schnitt
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02115, USA
| | - Peter K Sorger
- Ludwig Center for Cancer Research at Harvard, Harvard Medical School, Boston, MA, 02215, USA
- Laboratory of Systems Pharmacology, Department of Systems Biology, Harvard Medical School, Boston, MA, 02215, USA
| | - Elizabeth A Mittendorf
- Division of Breast Surgery, Department of Surgery, Brigham and Women's Hospital, Boston, MA, 02115, USA
- Breast Tumor Immunology Laboratory, Dana-Farber Cancer Institute, Boston, MA, 02215, USA
- Ludwig Center for Cancer Research at Harvard, Harvard Medical School, Boston, MA, 02215, USA
- Breast Oncology Program, Dana-Farber/Brigham and Women's Cancer Center, Boston, MA, 02215, USA
| | - Sandro Santagata
- Ludwig Center for Cancer Research at Harvard, Harvard Medical School, Boston, MA, 02215, USA
- Laboratory of Systems Pharmacology, Department of Systems Biology, Harvard Medical School, Boston, MA, 02215, USA
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02115, USA
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Mauro LJ, Spartz A, Austin JR, Lange CA. Reevaluating the Role of Progesterone in Ovarian Cancer: Is Progesterone Always Protective? Endocr Rev 2023; 44:1029-1046. [PMID: 37261958 PMCID: PMC11048595 DOI: 10.1210/endrev/bnad018] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 05/04/2023] [Accepted: 05/31/2023] [Indexed: 06/03/2023]
Abstract
Ovarian cancer (OC) represents a collection of rare but lethal gynecologic cancers where the difficulty of early detection due to an often-subtle range of abdominal symptoms contributes to high fatality rates. With the exception of BRCA1/2 mutation carriers, OC most often manifests as a post-menopausal disease, a time in which the ovaries regress and circulating reproductive hormones diminish. Progesterone is thought to be a "protective" hormone that counters the proliferative actions of estrogen, as can be observed in the uterus or breast. Like other steroid hormone receptor family members, the transcriptional activity of the nuclear progesterone receptor (nPR) may be ligand dependent or independent and is fully integrated with other ubiquitous cell signaling pathways often altered in cancers. Emerging evidence in OC models challenges the singular protective role of progesterone/nPR. Herein, we integrate the historical perspective of progesterone on OC development and progression with exciting new research findings and critical interpretations to help paint a broader picture of the role of progesterone and nPR signaling in OC. We hope to alleviate some of the controversy around the role of progesterone and give insight into the importance of nPR actions in disease progression. A new perspective on the role of progesterone and nPR signaling integration will raise awareness to the complexity of nPRs and nPR-driven gene regulation in OC, help to reveal novel biomarkers, and lend critical knowledge for the development of better therapeutic strategies.
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Affiliation(s)
- Laura J Mauro
- Department of Animal Science-Physiology, University of Minnesota, Saint Paul, MN 55108, USA
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN 55455, USA
| | - Angela Spartz
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN 55455, USA
| | - Julia R Austin
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN 55455, USA
| | - Carol A Lange
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN 55455, USA
- Departments of Medicine (Division of Hematology, Oncology & Transplantation) and Pharmacology, University of Minnesota, Minneapolis, MN 55455, USA
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5
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Makhlouf S, Althobiti M, Toss M, Muftah AA, Mongan NP, Lee AHS, Green AR, Rakha EA. The Clinical and Biological Significance of Estrogen Receptor-Low Positive Breast Cancer. Mod Pathol 2023; 36:100284. [PMID: 37474005 DOI: 10.1016/j.modpat.2023.100284] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Revised: 06/05/2023] [Accepted: 07/13/2023] [Indexed: 07/22/2023]
Abstract
Estrogen receptor (ER) status in breast cancer (BC) is determined using immunohistochemistry (IHC) with nuclear expression in ≥1% of cells defined as ER-positive. BC with 1%-9% expression (ER-low-positive), is a clinically and biologically unique subgroup. In this study, we hypothesized that ER-low-positive BC represents a heterogeneous group with a mixture of ER-positive and ER-negative tumor, which may explain their divergent clinical behavior. A large BC cohort (n = 8171) was investigated and categorized into 3 groups: ER-low-positive (1%-9%), ER-positive (≥10%), and ER-negative (<1%) where clinicopathological and outcome characteristics were compared. A subset of ER-low-positive cases was further evaluated using IHC, RNAscope, and RT-qPCR. PAM50 subtyping and ESR1 mRNA expression levels were assessed in ER-low-positive cases within The Cancer Genome Atlas data set. The reliability of image analysis software in assessment of ER expression in the ER-low-positive category was also assessed. ER-low-positive tumors constituted <2% of BC cases examined and showed significant clinicopathological similarity to ER-negative tumors. Most of these tumors were nonluminal types showing low ESR1 mRNA expression. Further validation of ER status revealed that 45% of these tumors were ER-negative with repeated IHC staining and confirmed by RNAscope and RT-qPCR. ER-low-positive tumors diagnosed on needle core biopsy were enriched with false-positive ER staining. BCs with 10% ER behaved similar to ER-positive, rather than ER-negative or low-positive BCs. Moderate concordance was found in assessment of ER-low-positive tumors, and this was not improved by image analysis. Routinely diagnosed ER-low-positive BC includes a proportion of ER-negative cases. We recommend repeat testing of BC showing 1%-9% ER expression and using a cutoff ≥10% expression to define ER positivity to help better inform treatment decisions.
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Affiliation(s)
- Shorouk Makhlouf
- Nottingham Breast Cancer Research Centre, Academic Unit for Translational Medical Sciences, School of Medicine, University of Nottingham, Nottingham, United Kingdom; Department of Pathology, Faculty of Medicine, Assiut University, Assiut, Egypt
| | - Maryam Althobiti
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Shaqra University, Shaqra, Saudi Arabia
| | - Michael Toss
- Nottingham Breast Cancer Research Centre, Academic Unit for Translational Medical Sciences, School of Medicine, University of Nottingham, Nottingham, United Kingdom; Department of Histopathology, Sheffield Teaching Hospitals NHS Trust, Sheffield, United Kingdom
| | - Abir A Muftah
- Department of Pathology, Faculty of Medicine, University of Benghazi, Benghazi, Libya
| | - Nigel P Mongan
- Biodiscovery Institute, School of Veterinary Medicine and Sciences, University of Nottingham, Nottingham, United Kingdom; Department of Pharmacology, Weill Cornell Medicine, New York, New York
| | - Andrew H S Lee
- Department of Histopathology, Nottingham University Hospitals NHS Trust, Nottingham, United Kingdom
| | - Andrew R Green
- Nottingham Breast Cancer Research Centre, Academic Unit for Translational Medical Sciences, School of Medicine, University of Nottingham, Nottingham, United Kingdom
| | - Emad A Rakha
- Nottingham Breast Cancer Research Centre, Academic Unit for Translational Medical Sciences, School of Medicine, University of Nottingham, Nottingham, United Kingdom; Department of Histopathology, Nottingham University Hospitals NHS Trust, Nottingham, United Kingdom; Department of Pathology, Hamad Medical Corporation, Doha, Qatar.
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6
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Ding L, Kun W, Xu W, Chen S, Cai Z. Comparative analysis of clinicopathological characteristics of central necrotizing breast cancer and basal cell-like breast cancer. Front Oncol 2023; 13:915949. [PMID: 37114130 PMCID: PMC10127251 DOI: 10.3389/fonc.2023.915949] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Accepted: 03/15/2023] [Indexed: 04/03/2023] Open
Abstract
PurposeThis study aims to compare the clinicopathological and immunohistochemical characteristics of centrally necrotizing carcinoma of the breast (CNC) and basal-like breast cancer (BLBC), as well as to analyze the characteristics of the molecular typing of the CNC.MethodsThe clinicopathological features of 69 cases of CNC and 48 cases of BLBC were observed and compared. EnVision immunohistochemical staining was performed to detect the expressions of hypoxia-inducible factor 1α (HIF-1α), breast cancer susceptibility gene 1 (BRCA1), and vascular endothelial growth factor (VEGF) in CNC and BLBC.ResultsThe age of the 69 patients ranged from 32 to 80 years, with an average of 54.55 years. Gross examination showed that most tumors were well-defined single central nodules with a diameter of 1.2~5.0 cm. Microscopically, there is a large necrotic or acellular area in the center of the tumor, mainly composed of tumor coagulative necrosis with varying degrees of fibrosis or hyaline degeneration. A small amount of cancer tissue remained in the form of a ribbon or small nest around the necrotic focus. Among 69 cases of CNC, the proportion of basal cell type (56.5%) was significantly higher than that of lumen type A (18.84%), lumen type B (13.04%), HER2 overexpression (5.8%), and nonexpression (5.8%). A total of 31 cases were followed up for 8~50 months, with an average of 33.94 months. There have been nine cases of disease progression. When compared to BLBC, there were no significant differences in BRCA1 and VEGF protein expression in response to CNC (p > 0.05), but there were significant differences in protein expression in HIF-1α (p < 0.05).ConclusionThe molecular typing of CNC showed that over half of those were BLBC. No statistically significant difference in the expression of BRCA1 was observed between CNC and BLBC; thus, we predict that targeted therapy for BRCA1 in BLBC may also have considerable effects in CNC patients. The expression of HIF-1α is significantly different in CNC and BLBC, and perhaps HIF-1α can be used as a new entry point to distinguish between the two. There is a significant correlation between the expression of VEGF and HIF-1α in BLBC, and there was no significant correlation between the expression levels of the two proteins in CNC.
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Affiliation(s)
- Li Ding
- Department of Pathology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - Wang Kun
- Department of Pathology, Mengcheng Hospital of Traditional Chinese Medicine, Bozhou, Anhui, China
| | - Wenjing Xu
- Department of Pathology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - Shaohua Chen
- Department of Pathology, Bengbu Medical College and The First Affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - Zhaogen Cai
- Department of Pathology, Bengbu Medical College and The First Affiliated Hospital of Bengbu Medical College, Bengbu, China
- *Correspondence: Zhaogen Cai,
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7
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Perrone E, Tudisco R, Pafundi PC, Guido D, Ciucci A, Martinelli E, Zannoni GF, Piermattei A, Spadola S, Ferrante G, Marchetti C, Scambia G, Fagotti A, Gallo D. What’s beyond BRCA Mutational Status in High Grade Serous Ovarian Cancer? The Impact of Hormone Receptor Expression in a Large BRCA-Profiled Ovarian Cancer Patient Series: A Retrospective Cohort Study. Cancers (Basel) 2022; 14:cancers14194588. [PMID: 36230510 PMCID: PMC9559459 DOI: 10.3390/cancers14194588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Accepted: 09/17/2022] [Indexed: 12/03/2022] Open
Abstract
Simple Summary Ovarian hormones are involved in ovarian cancer pathogenesis. However, few reports have investigated the hormone receptor pattern according to BRCA mutational status. The aim of this single-center, observational, retrospective study was to explore the relationship between hormone receptor status and BRCA1/2 mutation in a cohort of 207 high-grade serous ovarian carcinoma (HGSOC) patients. Interesting differences emerged between BRCA-mutated and BRCA wild-type women, in terms of pattern of receptor expression and its association to the outcome. On the whole, our findings, though needing further validation, extend our understanding of the complex interplay between BRCA1/2 protein and hormone signaling, suggesting new pathways to be exploited in order to develop future personalized therapy. Abstract Several studies have explored the prognostic role of hormone receptor status in high-grade serous ovarian cancer (HGSOC) patients. However, few reports have investigated their expression according to BRCA mutational status. The aim of this single-center, observational, retrospective study was to explore the hormone receptor pattern and its potential prognostic role in a cohort of 207 HGSOC women stratified for BRCA mutational status. To this end, ERα, ERβ1, ERβ2, ERβ5, PR, and AR expression were assessed by immunohistochemistry in 135 BRCA-wild type (BRCA-wt) and 72 BRCA1/2 mutation carriers (BRCA-mut). No significant difference emerged in hormone receptor expression between the two sub-samples, except for a significantly lower ERα expression observed in pre-menopausal BRCA1/2-mut as compared to BRCA-wt patients (p = 0.02). None of the examined hormone receptors has revealed a significant prognostic role in the whole sample, apart from the ratio ERα/ERβ5 nuclear, for which higher values disclosed a positive role on the outcome in BRCA-wt subgroup (HR 0.77; CI 0.61–0.96; p = 0.019). Conversely, it negatively affected overall survival in the presence of BRCA1/2-mut (HR 1.41; CI 1.06–1.87; p = 0.020). Finally, higher PR levels were associated with platinum sensitivity in the whole sample (p = 0.019). Our data, though needing further validation, suggest a potential role of oestrogen-mediated pathways in BRCA1/2-associated HGSOC tumorigenesis, thus revealing a possible therapeutic potential for targeting this interaction.
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Affiliation(s)
- Emanuele Perrone
- Gynecologic Oncology Unit, Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario A. Gemelli IRCCS, Largo Francesco Vito 1, 00168 Rome, Italy
| | - Riccardo Tudisco
- Gynecologic Oncology Unit, Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario A. Gemelli IRCCS, Largo Francesco Vito 1, 00168 Rome, Italy
- Universita’ Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Rome, Italy
| | - Pia Clara Pafundi
- Epidemiology and Biostatistics Facility Core Research, Gemelli Science and Technology Park, Fondazione Policlinico Universitario A. Gemelli IRCCS, Largo Francesco Vito 1, 00168 Rome, Italy
| | - Davide Guido
- Bioinformatics Facility Core Research, Gemelli Science and Technology Park (GSTeP) Fondazione Policlinico Universitario A. Gemelli IRCCS, Largo Francesco Vito 1, 00168 Rome, Italy
| | - Alessandra Ciucci
- Universita’ Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Rome, Italy
- Unit of Translational Medicine for Woman and Child Health, Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario A. Gemelli IRCCS, Largo Francesco Vito 1, 00168 Rome, Italy
| | - Enrica Martinelli
- Universita’ Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Rome, Italy
- Unit of Translational Medicine for Woman and Child Health, Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario A. Gemelli IRCCS, Largo Francesco Vito 1, 00168 Rome, Italy
| | - Gian Franco Zannoni
- Universita’ Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Rome, Italy
- Gynecopathology and Breast Pathology Unit, Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Largo Francesco Vito 1, 00168 Rome, Italy
| | - Alessia Piermattei
- Gynecopathology and Breast Pathology Unit, Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Largo Francesco Vito 1, 00168 Rome, Italy
| | - Saveria Spadola
- Gynecopathology and Breast Pathology Unit, Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Largo Francesco Vito 1, 00168 Rome, Italy
| | - Giulia Ferrante
- Gynecologic Oncology Unit, Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario A. Gemelli IRCCS, Largo Francesco Vito 1, 00168 Rome, Italy
- Universita’ Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Rome, Italy
| | - Claudia Marchetti
- Gynecologic Oncology Unit, Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario A. Gemelli IRCCS, Largo Francesco Vito 1, 00168 Rome, Italy
- Universita’ Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Rome, Italy
| | - Giovanni Scambia
- Gynecologic Oncology Unit, Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario A. Gemelli IRCCS, Largo Francesco Vito 1, 00168 Rome, Italy
- Universita’ Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Rome, Italy
| | - Anna Fagotti
- Gynecologic Oncology Unit, Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario A. Gemelli IRCCS, Largo Francesco Vito 1, 00168 Rome, Italy
- Universita’ Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Rome, Italy
| | - Daniela Gallo
- Universita’ Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Rome, Italy
- Unit of Translational Medicine for Woman and Child Health, Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario A. Gemelli IRCCS, Largo Francesco Vito 1, 00168 Rome, Italy
- Correspondence:
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Alsughayer AM, Dabbagh TZ, Abdel-Razeq RH, Al-Jussani GN, Alhassoon S, Sughayer MA. Changing Trends in Estrogen Receptors/Progesterone Receptors/Human Epidermal Growth Factor Receptor 2 Prevalence Rates Among Jordanian Patients With Breast Cancer Over the Years. JCO Glob Oncol 2022; 8:e2100359. [PMID: 35436143 PMCID: PMC9302262 DOI: 10.1200/go.21.00359] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
PURPOSE Estrogen receptors (ERs), progesterone receptors (PRs), and human epidermal growth factor receptor 2 (HER2) are the mainstay of breast cancer management, and their prevalence rates vary among different populations possibly related to ethnic/genetic and/or socioeconomic status. In a previous study conducted at the King Hussein Cancer Center (published 2006), Jordan ER/PR/HER2 rates for patients diagnosed in 2003-2004 were 50.8%/57.5%/17.5%, respectively. The aim of this study is to revisit the prevalence rates to see if they have changed over the years with changing socioeconomic status. MATERIALS AND METHODS We retrieved clinicopathologic data of all patients (1,185) diagnosed with breast cancer during 2018. The data included age, histologic type, grade, and ER/PR/HER2 status as determined by immunohistochemistry and/or fluorescence in situ hybridization for HER2. RESULTS The mean age of patients was 52 (median = 51, range = 25-92) years, and the majority (73.2%) had invasive carcinoma of no special type. ER/PR/HER2 were 77.0%/72.4%./23.8%, respectively. Triple-negative breast cancers were 10.1%. In comparison with previous results of 2006, the changes are statistically significant. Similar changes were seen in other Middle Eastern populations. The current rates are close to those of Western populations. CONCLUSION Rates of ER/PR/HER2 expression have significantly changed and are close to those of Western populations for ER/PR. We propose that such changes are secondary to the adoption of a westernized lifestyle and socioeconomic changes.
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Kunc M, Pęksa R, Cserni G, Iżycka-Świeszewska E, Łacko A, Radecka B, Braun M, Pikiel J, Litwiniuk M, Pogoda K, Szwajkosz A, Biernat W, Senkus E. High expression of progesterone receptor may be an adverse prognostic factor in oestrogen receptor-negative/progesterone receptor-positive breast cancer: results of comprehensive re-evaluation of multi-institutional case series. Pathology 2022; 54:269-278. [PMID: 35074178 DOI: 10.1016/j.pathol.2021.10.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 09/30/2021] [Accepted: 10/11/2021] [Indexed: 11/29/2022]
Abstract
Oestrogen receptor (ER)-negative (-) progesterone receptor (PgR)-positive (+) is the least common combination of steroid receptor expression observed in breast cancer. There are many controversies regarding the actual existence of ER-/PgR+ phenotype. In the current study, we aimed to perform comprehensive immunohistochemical re-evaluation of ER-/PgR+ breast cancers from multiple institutions. A total of 135 cases of ER-/PgR+ breast cancer were collected from 11 institutions from the period 2006-2020 and subsequently stained with three clinically validated anti-ER antibody clones: SP1 (Roche), 1D5 (Dako), and EP1 (Dako), and two anti-PgR antibody clones: 636 (Dako), and 1E2 (Roche). Clinicopathological characteristics of confirmed and re-categorised cases were analysed. Seventy-six cases retained the original ER-/PgR+ phenotype, including 21 HER2+ and 55 HER2- tumours. Forty-seven cases were ER+ with at least one anti-ER antibody, and 12 cases were re-categorised as double-negatives across all anti-ER and anti-PgR antibodies. No significant differences in survival were observed between groups in the HER2+ category. In the HER2- cohort, confirmed ER-/PgR+, ER+ tumours with discrepant ER staining, and triple negatives had inferior overall survival compared to concordant ER+ cases. Progesterone receptor expression in >20% of cells was identified as an adverse prognostic factor in ER-/PgR+/HER2- breast cancer in a multivariable model adjusted by stage (HR 5.0, 95% CI 1.3-19.2, p=0.019). We performed one of the largest validation studies so far on ER-/PgR+ breast cancer and confirmed the existence of this subgroup. Moreover, we identified high PgR expression as an adverse prognostic factor.
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Affiliation(s)
- Michał Kunc
- Department of Pathomorphology, Medical University of Gdańsk, Gdańsk, Poland.
| | - Rafał Pęksa
- Department of Pathomorphology, Medical University of Gdańsk, Gdańsk, Poland
| | - Gabor Cserni
- Department of Pathology, Bács-Kiskun County Teaching Hospital, Kecskemét, Hungary; Institute of Pathology, University of Szeged, Szeged, Hungary
| | - Ewa Iżycka-Świeszewska
- Department of Pathology and Neuropathology, Medical University of Gdańsk, Gdańsk, Poland
| | - Aleksandra Łacko
- Lower Silesian Oncology Centre, Breast Unit, Wroclaw, Poland; Department of Oncology, Wrocław Medical University, Wroclaw, Poland
| | - Barbara Radecka
- Department of Oncology, Institute of Medical Sciences, University of Opole, Opole, Poland; Tadeusz Koszarowski Cancer Center, Opole, Poland
| | - Marcin Braun
- Department of Pathology, Chair of Oncology, Medical University of Łódź, Łódź, Poland
| | | | - Maria Litwiniuk
- Greater Poland Cancer Centre, Poznań University of Medical Sciences, Poznań, Poland
| | - Katarzyna Pogoda
- Department of Breast Cancer and Reconstructive Surgery, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland
| | - Anna Szwajkosz
- Oncology Ward, Beskid Oncology Centre-John Paul II Municipal Hospital in Bielsko-Biała, Bielsko-Biała, Poland
| | - Wojciech Biernat
- Department of Pathomorphology, Medical University of Gdańsk, Gdańsk, Poland
| | - Elżbieta Senkus
- Department of Oncology and Radiotherapy, Medical University of Gdańsk, Gdańsk, Poland.
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10
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Caselli E, Pelliccia C, Teti V, Bellezza G, Mandarano M, Ferri I, Hartmann K, Laible M, Sahin U, Varga Z, Lupi C, Stracci F, Sidoni A. Looking for more reliable biomarkers in breast cancer: Comparison between routine methods and RT-qPCR. PLoS One 2021; 16:e0255580. [PMID: 34555047 PMCID: PMC8460001 DOI: 10.1371/journal.pone.0255580] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2020] [Accepted: 07/19/2021] [Indexed: 01/01/2023] Open
Abstract
PURPOSE Decades of quality control efforts have raised the standards of immunohistochemistry (IHC), the principle method used for biomarker testing in breast cancer; however, computational pathology and reverse transcription quantitative PCR (RT-qPCR) may also hold promise for additional substantial improvements. METHODS Herein, we investigated discrepancies in the assessment of estrogen receptor (ER), progesterone receptor (PR), human epidermal growth factor receptor 2 (HER2) and marker of proliferation Ki67 comparing routinely obtained IHC (and FISH) data (ORI) with the results of manual (REV) and semi-automated (DIA) re-evaluation of the original IHC slides and then with RNA expression data from the same tissue block using the MammaTyper® (MT) gene expression assay. RESULTS Correlation for ER and PR was high between ORI IHC and the other three study methods (REV, DIA and RT-qPCR). For HER2, 10 out of 96 discrepant cases can be detected between ORI and REV that involved at least one call in the equivocal category (except for one case). For Ki67, 22 (29.1%) cases were categorized differently by either REV alone (n = 17), DIA alone (n = 15) or both (n = 10) and 28 cases (29.2%) for RT-qPCR. Most of the discrepant Ki67 cases changed from low to high between the original and following assessment and belonged to the intermediate Ki67 expression range (between 9 and 30%). CONCLUSIONS Determination of the breast cancer biomarkers ER, PR, HER2 and Ki67 at the mRNA level shows high degree of correlation with IHC and compares well with correlations between original with subsequent independent manual or semi-automated IHC assessments. The use of methods with wider dynamic range and higher reproducibility such as RT-qPCR may offer more precise assessment of endocrine responsiveness, improve Ki67 standardization and help resolve HER2 cases that remain equivocal or ambiguous by IHC/FISH. In summary, our findings seem to configure RT-qPCR as a complementary method to be used in cases of either equivocal results or presenting, at the traditional determination assays, biomarkers expressions close to the cut-off values.
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Affiliation(s)
- Emanuele Caselli
- Department of Medicine and Surgery, Section of Anatomic Pathology and Histology, Medical School, University of Perugia, Perugia, Italy
| | - Cristina Pelliccia
- Department of Medicine and Surgery, Section of Anatomic Pathology and Histology, Medical School, University of Perugia, Perugia, Italy
| | - Valeria Teti
- Department of Medicine and Surgery, Section of Anatomic Pathology and Histology, Medical School, University of Perugia, Perugia, Italy
| | - Guido Bellezza
- Department of Medicine and Surgery, Section of Anatomic Pathology and Histology, Medical School, University of Perugia, Perugia, Italy
| | - Martina Mandarano
- Department of Medicine and Surgery, Section of Anatomic Pathology and Histology, Medical School, University of Perugia, Perugia, Italy
| | - Ivana Ferri
- Department of Medicine and Surgery, Section of Anatomic Pathology and Histology, Medical School, University of Perugia, Perugia, Italy
| | | | | | - Ugur Sahin
- BioNTech Diagnostics GmbH, Mainz, Germany
| | - Zsuzsanna Varga
- Institute for Pathology and Molecular Pathology, Universitätsspital Zürich, Zürich, Switzerland
| | | | - Fabrizio Stracci
- Umbria Cancer Registry, Perugia, Italy
- Department of Medicine and Surgery, Section of Public Health, University of Perugia, Perugia, Italy
| | - Angelo Sidoni
- Department of Medicine and Surgery, Section of Anatomic Pathology and Histology, Medical School, University of Perugia, Perugia, Italy
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11
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van Weelden WJ, Reijnen C, Küsters-Vandevelde HVN, Bulten J, Bult P, Leung S, Visser NCM, Santacana M, Bronsert P, Hirschfeld M, Colas E, Gil-Moreno A, Reques A, Mancebo G, Huvila J, Koskas M, Weinberger V, Bednarikova M, Hausnerova J, Snijders MPLM, Matias-Guiu X, Amant F. The cutoff for estrogen and progesterone receptor expression in endometrial cancer revisited: a European Network for Individualized Treatment of Endometrial Cancer collaboration study. Hum Pathol 2020; 109:80-91. [PMID: 33338506 DOI: 10.1016/j.humpath.2020.12.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Revised: 12/08/2020] [Accepted: 12/09/2020] [Indexed: 12/22/2022]
Abstract
There is no consensus on the cutoff for positivity of estrogen receptor (ER) and progesterone receptor (PR) in endometrial cancer (EC). Therefore, we determined the cutoff value for ER and PR expression with the strongest prognostic impact on the outcome. Immunohistochemical expression of ER and PR was scored as a percentage of positive EC cell nuclei. Cutoff values were related to disease-specific survival (DSS) and disease-free survival (DFS) using sensitivity, specificity, and multivariable regression analysis. The results were validated in an independent cohort. The study cohort (n = 527) included 82% of grade 1-2 and 18% of grade 3 EC. Specificity for DSS and DFS was highest for the cutoff values of 1-30%. Sensitivity was highest for the cutoff values of 80-90%. ER and PR expression were independent markers for DSS at cutoff values of 10% and 80%. Consequently, three subgroups with distinct clinical outcomes were identified: 0-10% of ER/PR expression with, unfavorable outcome (5-year DSS = 75.9-83.3%); 20-80% of ER/PR expression with, intermediate outcome (5-year DSS = 93.0-93.9%); and 90-100% of ER/PR expression with, favorable outcome (5-year DSS = 97.8-100%). The association between ER/PR subgroups and outcomes was confirmed in the validation cohort (n = 265). We propose classification of ER and PR expression based on a high-risk (0-10%), intermediate-risk (20-80%), and low-risk (90-100%) group.
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Affiliation(s)
- Willem Jan van Weelden
- Department of Obstetrics and Gynaecology, Radboud University Medical Center, 6525, GA, Nijmegen, the Netherlands.
| | - Casper Reijnen
- Department of Obstetrics and Gynaecology, Radboud University Medical Center, 6525, GA, Nijmegen, the Netherlands; Department of Obstetrics and Gynaecology, Canisius-Wilhelmina Hospital, Nijmegen, 6532, SZ, the Netherlands
| | | | - Johan Bulten
- Department of Pathology, Radboud University Medical Center, Nijmegen, 6525, GA, the Netherlands
| | - Peter Bult
- Department of Pathology, Radboud University Medical Center, Nijmegen, 6525, GA, the Netherlands
| | - Samuel Leung
- Genetic Pathology Evaluation Center, Vancouver General Hospital, Vancouver, BC V5Z 1M9, British Columbia, Canada
| | - Nicole C M Visser
- Foundation Laboratory for Pathology and Medical Microbiology (PAMM), 5623 EJ, Eindhoven, the Netherlands
| | - Maria Santacana
- Department of Pathology and Molecular Genetics and Research Laboratory, Hospital Universitari Arnau de Vilanova, University of Lleida, IRBLleida, CIBERONC, 25198, Lleida, Spain
| | - Peter Bronsert
- Institute of Pathology, University Medical Center, 79106, Freiburg, Germany
| | - Marc Hirschfeld
- Department of Obstetrics and Gynecology, University Medical Center, 79106, Freiburg, Germany; Institute of Veterinary Medicine, Georg-August-University, 37073, Goettingen, Germany
| | - Eva Colas
- Biomedical Research Group in Gynecology, Vall Hebron Institute of Research, Universitat Autònoma de Barcelona, CIBERONC, 08035, Barcelona, Spain
| | - Antonio Gil-Moreno
- Biomedical Research Group in Gynecology, Vall Hebron Institute of Research, Universitat Autònoma de Barcelona, CIBERONC, 08035, Barcelona, Spain; Gynecological Department, Vall Hebron University Hospital, CIBERONC, 08035, Barcelona, Spain
| | - Armando Reques
- Pathology Department, Vall Hebron University Hospital, CIBERONC, 08035, Barcelona, Spain
| | - Gemma Mancebo
- Department of Obstetrics and Gynecology, Hospital del Mar, PSMAR, 08003, Barcelona, Spain
| | - Jutta Huvila
- Department of Pathology, University of Turku, 20500, Turku, Finland
| | - Martin Koskas
- Obstetrics and Gynecology Department, Bichat-Claude Bernard Hospital, 75018, Paris, France
| | - Vit Weinberger
- Department of Gynecology and Obstetrics, Faculty of Medicine, Masaryk University, 62500, Brno, Czech Republic
| | - Marketa Bednarikova
- Department of Internal Medicine, Oncology and Hematology, Faculty of Medicine, Masaryk University, 62500, Brno, Czech Republic
| | - Jitka Hausnerova
- Institute of Pathology, Faculty of Medicine, Masaryk University, 62500, Brno, Czech Republic
| | - Marc P L M Snijders
- Department of Obstetrics and Gynaecology, Canisius-Wilhelmina Hospital, Nijmegen, 6532, SZ, the Netherlands
| | - Xavier Matias-Guiu
- Department of Pathology and Molecular Genetics and Research Laboratory, Hospital Universitari Arnau de Vilanova, University of Lleida, IRBLleida, CIBERONC, 25198, Lleida, Spain
| | - Frédéric Amant
- Department of Oncology, KU Leuven, 3000, Leuven, Belgium; Center for Gynaecologic Oncology, Netherlands Cancer Institute and Amsterdam University Medical Center, 1066, CX, Amsterdam, the Netherlands
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12
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Jeon T, Kim A, Kim C. Automated immunohistochemical assessment ability to evaluate estrogen and progesterone receptor status compared with quantitative reverse transcription-polymerase chain reaction in breast carcinoma patients. J Pathol Transl Med 2020; 55:33-42. [PMID: 33260290 PMCID: PMC7829576 DOI: 10.4132/jptm.2020.09.29] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Accepted: 08/29/2020] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND This study aimed to investigate the capability of an automated immunohistochemical (IHC) evaluation of hormonal receptor status in breast cancer patients compared to a well-validated quantitative reverse transcription-polymerase chain reaction (RT-qPCR) method. METHODS This study included 93 invasive breast carcinoma cases that had both standard IHC assay and Oncotype Dx assay results. The same paraffin blocks on which Oncotype Dx assay had been performed were selected. Estrogen receptor (ER) and progesterone receptor (PR) receptor status were evaluated through IHC stains using SP1 monoclonal antibody for ER, and 1E2 monoclonal antibody for PR. All ER and PR immunostained slides were scanned, and invasive tumor areas were marked. Using the QuantCenter image analyzer provided by 3DHISTECH, IHC staining of hormone receptors was measured and converted to histochemical scores (H scores). Pearson correlation coefficients were calculated between Oncotype Dx hormone receptor scores and H scores, and between Oncotype Dx scores and Allred scores. RESULTS H scores measured by an automated imaging system showed high concordance with RT-qPCR scores. ER concordance was 98.9% (92/93), and PR concordance was 91.4% (85/93). The correlation magnitude between automated H scores and RT-qPCR scores was high and comparable to those of Allred scores (for ER, 0.51 vs. 0.37 [p=.121], for PR, 0.70 vs. 0.72 [p=.39]). CONCLUSIONS Automated H scores showed a high concordance with quantitative mRNA expression levels measured by RT-qPCR.
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Affiliation(s)
- Taesung Jeon
- Department of Pathology, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
| | - Aeree Kim
- Department of Pathology, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
| | - Chungyeul Kim
- Department of Pathology, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
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13
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Shamai G, Binenbaum Y, Slossberg R, Duek I, Gil Z, Kimmel R. Artificial Intelligence Algorithms to Assess Hormonal Status From Tissue Microarrays in Patients With Breast Cancer. JAMA Netw Open 2019; 2:e197700. [PMID: 31348505 PMCID: PMC6661721 DOI: 10.1001/jamanetworkopen.2019.7700] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
IMPORTANCE Immunohistochemistry (IHC) is the most widely used assay for identification of molecular biomarkers. However, IHC is time consuming and costly, depends on tissue-handling protocols, and relies on pathologists' subjective interpretation. Image analysis by machine learning is gaining ground for various applications in pathology but has not been proposed to replace chemical-based assays for molecular detection. OBJECTIVE To assess the prediction feasibility of molecular expression of biomarkers in cancer tissues, relying only on tissue architecture as seen in digitized hematoxylin-eosin (H&E)-stained specimens. DESIGN, SETTING, AND PARTICIPANTS This single-institution retrospective diagnostic study assessed the breast cancer tissue microarrays library of patients from Vancouver General Hospital, British Columbia, Canada. The study and analysis were conducted from July 1, 2015, through July 1, 2018. A machine learning method, termed morphological-based molecular profiling (MBMP), was developed. Logistic regression was used to explore correlations between histomorphology and biomarker expression, and a deep convolutional neural network was used to predict the biomarker expression in examined tissues. MAIN OUTCOMES AND MEASURES Positive predictive value (PPV), negative predictive value (NPV), and area under the receiver operating characteristics curve measures of MBMP for assessment of molecular biomarkers. RESULTS The database consisted of 20 600 digitized, publicly available H&E-stained sections of 5356 patients with breast cancer from 2 cohorts. The median age at diagnosis was 61 years for cohort 1 (412 patients) and 62 years for cohort 2 (4944 patients), and the median follow-up was 12.0 years and 12.4 years, respectively. Tissue histomorphology was significantly correlated with the molecular expression of all 19 biomarkers assayed, including estrogen receptor (ER), progesterone receptor (PR), and ERBB2 (formerly HER2). Expression of ER was predicted for 105 of 207 validation patients in cohort 1 (50.7%) and 1059 of 2046 validation patients in cohort 2 (51.8%), with PPVs of 97% and 98%, respectively, NPVs of 68% and 76%, respectively, and accuracy of 91% and 92%, respectively, which were noninferior to traditional IHC (PPV, 91%-98%; NPV, 51%-78%; and accuracy, 81%-90%). Diagnostic accuracy improved given more data. Morphological analysis of patients with ER-negative/PR-positive status by IHC revealed resemblance to patients with ER-positive status (Bhattacharyya distance, 0.03) and not those with ER-negative/PR-negative status (Bhattacharyya distance, 0.25). This suggests a false-negative IHC finding and warrants antihormonal therapy for these patients. CONCLUSIONS AND RELEVANCE For at least half of the patients in this study, MBMP appeared to predict biomarker expression with noninferiority to IHC. Results suggest that prediction accuracy is likely to improve as data used for training expand. Morphological-based molecular profiling could be used as a general approach for mass-scale molecular profiling based on digitized H&E-stained images, allowing quick, accurate, and inexpensive methods for simultaneous profiling of multiple biomarkers in cancer tissues.
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Affiliation(s)
- Gil Shamai
- Department of Electrical Engineering, Technion Israel Institute of Technology, Haifa, Israel
| | - Yoav Binenbaum
- Laboratory of Pediatric Oncology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
- Laboratory for Applied Cancer Research, Rambam Healthcare Campus, Rappaport Institute of Medicine and Research, Haifa, Israel
| | - Ron Slossberg
- Departmemt of Computer Science, Technion Israel Institute of Technology, Haifa, Israel
| | - Irit Duek
- Department of Otolaryngology-Head and Neck Surgery, Rambam Health Care Campus, Haifa, Israel
| | - Ziv Gil
- Laboratory for Applied Cancer Research, Rambam Healthcare Campus, Rappaport Institute of Medicine and Research, Haifa, Israel
- Department of Otolaryngology-Head and Neck Surgery, Rambam Health Care Campus, Haifa, Israel
| | - Ron Kimmel
- Departmemt of Computer Science, Technion Israel Institute of Technology, Haifa, Israel
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14
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Aimi F, Procopio MG, Alvarez Flores MT, Brouland JP, Piazzon N, Brajkovic S, Dupouy DG, Gijs M, de Leval L. Microfluidic-based immunohistochemistry for breast cancer diagnosis: a comparative clinical study. Virchows Arch 2019; 475:313-323. [PMID: 31267199 DOI: 10.1007/s00428-019-02616-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Revised: 06/18/2019] [Accepted: 06/23/2019] [Indexed: 12/20/2022]
Abstract
Breast cancer is a highly heterogeneous disease. The efficacy of tailored therapeutic strategies relies on the precise detection of diagnostic biomarkers by immunohistochemistry (IHC). Therefore, considering the increasing incidence of breast cancer cases, a concomitantly time-efficient and accurate diagnosis is clinically highly relevant. Microfluidics is a promising innovative technology in the field of tissue diagnostic, enabling for rapid, reliable, and automated immunostaining. We previously reported the microfluidic-based HER2 (human epidermal growth factor receptor 2) detection in breast carcinomas to greatly correlate with the HER2 gene amplification level. Here, we aimed to develop a panel of microfluidic-based IHC protocols for prognostic and therapeutic markers routinely assessed for breast cancer diagnosis, namely HER2, estrogen/progesterone receptor (ER/PR), and Ki67 proliferation factor. The microfluidic IHC protocol for each marker was optimized to reach high staining quality comparable to the standard procedure, while concomitantly shortening the staining time to 16 min-excluding deparaffinization and antigen retrieval step-with a turnaround time reduction up to 7 folds. Comparison of the diagnostic score on 50 formaldehyde-fixed paraffin-embedded breast tumor resections by microfluidic versus standard staining showed high concordance (overall agreement: HER2 94%, ER 95.9%, PR 93.6%, Ki67 93.7%) and strong correlation (ρ coefficient: ER 0.89, PR 0.88, Ki67 0.87; p < 0.0001) for all the analyzed markers. Importantly, HER2 genetic reflex test for all discordant cases confirmed the scores obtained by the microfluidic technique. Overall, the microfluidic-based IHC represents a clinically validated equivalent approach to the standard chromogenic staining for rapid, accurate, and automated breast cancer diagnosis.
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Affiliation(s)
- Fabio Aimi
- Laboratory of Microsystems, Ecole Polytechnique Fédérale de Lausanne, CH-1015, Lausanne, Switzerland
| | - Maria-Giuseppina Procopio
- Institute of Pathology and Molecular Pathology, University Hospital Zurich, CH-8091, Zurich, Switzerland
| | | | - Jean-Philippe Brouland
- Institute of Pathology, Centre Hospitalier Universitaire Vaudois, CH-1011, Lausanne, Switzerland
| | - Nathalie Piazzon
- Institute of Pathology, Centre Hospitalier Universitaire Vaudois, CH-1011, Lausanne, Switzerland
| | - Saška Brajkovic
- Lunaphore Technologies SA, EPFL Innovation Park-Building C, CH-1015, Lausanne, Switzerland.
| | - Diego Gabriel Dupouy
- Lunaphore Technologies SA, EPFL Innovation Park-Building C, CH-1015, Lausanne, Switzerland
| | - Martin Gijs
- Laboratory of Microsystems, Ecole Polytechnique Fédérale de Lausanne, CH-1015, Lausanne, Switzerland
| | - Laurence de Leval
- Institute of Pathology, Centre Hospitalier Universitaire Vaudois, CH-1011, Lausanne, Switzerland
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15
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Cheng S, Huang Y, Lou C, He Y, Zhang Y, Zhang Q. FSTL1 enhances chemoresistance and maintains stemness in breast cancer cells via integrin β3/Wnt signaling under miR-137 regulation. Cancer Biol Ther 2018; 20:328-337. [PMID: 30336071 DOI: 10.1080/15384047.2018.1529101] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
FSTL1 is a protein coding gene associated with cell signaling pathway regulation and the progression of a variety of disorders. In this study, we hypothesized that FSTL1 increases oncogenesis in breast cancer by enhancing stemness and chemoresistance. RT-PCR and IHC revealed significantly higher FSTL1 mRNA and protein levels in TNBC than in non-TNBC specimens and in breast cancer cell lines. We then found that FSTL1 levels were significantly increased in chemoresistant cells. LIVE/DEAD, MTT cell viability and colony formation assays did in fact demonstrate that FSTL1 is required for CDDP and DOX chemoresistance in breast cancer cell lines. FSTL1 overexpression caused significant elevation of stem cell biomarkers, as well as breast cancer cell proliferation. To determine whether the Wnt/β-catenin signaling pathway is involved in the observed effects of FSTL1, we assessed levels of pathway target. TOP/FOP flash, colony formation, and tumor sphere formation assays indicated that FSTL1 activates Wnt/β-catenin signaling through integrin β3. We then sought to identify a microRNA (miRNA) that regulates FSTL1 activity. Luciferase assays demonstrated that miR-137 reduces FSTL1 mRNA and protein levels. Ultimately, our findings indicate that there is an miR-137/FSTL1/integrin β3/Wnt/β-catenin signaling axis in breast cancer cells that regulates stemness and chemoresistance.
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Affiliation(s)
- Shaoqiang Cheng
- a Department of Breast Surgery , Harbin Medical University Cancer Hospital , Harbin , China
| | - Yuanxi Huang
- a Department of Breast Surgery , Harbin Medical University Cancer Hospital , Harbin , China
| | - Chun Lou
- a Department of Breast Surgery , Harbin Medical University Cancer Hospital , Harbin , China
| | - Yanxia He
- b Department of Clinical Oncology , Harbin Medical University Cancer Hospital , Harbin , China
| | - Yue Zhang
- b Department of Clinical Oncology , Harbin Medical University Cancer Hospital , Harbin , China
| | - Qingyuan Zhang
- b Department of Clinical Oncology , Harbin Medical University Cancer Hospital , Harbin , China
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16
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Allison KH. Ancillary Prognostic and Predictive Testing in Breast Cancer: Focus on Discordant, Unusual, and Borderline Results. Surg Pathol Clin 2018; 11:147-176. [PMID: 29413654 DOI: 10.1016/j.path.2017.09.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Ancillary testing in breast cancer has become standard of care to determine what therapies may be most effective for individual patients with breast cancer. Single-marker tests are required on all newly diagnosed and newly metastatic breast cancers. Markers of proliferation are also used, and include both single-marker tests like Ki67 as well as panel-based gene expression tests, which have made more recent contributions to prognostic and predictive testing in breast cancers. This review focuses on pathologist interpretation of these ancillary test results, with a focus on expected versus unexpected results and troubleshooting borderline, unusual, or discordant results.
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Affiliation(s)
- Kimberly H Allison
- Department of Pathology, Stanford University School of Medicine, 300 Pasteur Drive, Lane 235, Stanford, CA 94305, USA.
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Calhoun BC, Mosteller B, Warren D, Smith M, Jordi Rowe J, Lanigan CP, Mrazeck KC, Walker E, Newell AH, Jones R. Analytical and clinical performance of progesterone receptor antibodies in breast cancer. Ann Diagn Pathol 2018; 35:21-26. [PMID: 29758480 DOI: 10.1016/j.anndiagpath.2018.02.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2017] [Revised: 12/12/2017] [Accepted: 02/19/2018] [Indexed: 01/09/2023]
Abstract
OBJECTIVE Comparison of analytical and immunohistochemical performance of progesterone receptor (PR) antibodies with correlation to recurrence of invasive breast cancer treated with endocrine therapy. METHODS The binding-affinity kinetics of PR clones 1E2, 1A6, 16 and 636 were compared using synthetic peptides derived from identified epitopes on a Biacore T200. A cohort of 351 cases (Hormone Receptor (HR)+/HER2-) were stained for PR expression with immunohistochemistry (IHC) and scored according to ASCO/CAP criteria. RESULTS The stability of the antigen/antibody complex was greater for the 1E2 clone compared to 1A6, 16 and 636 clones. PR IHC on archival tissue resulted in 94.3% (299/317) concordance with clones. CONCLUSION Clones evaluated in this study had a high level of concordance with IHC despite PR (1E2) demonstrating higher analytical binding properties than other clones. In a minority of cases (1.3% for 1E2 and 2.5% for 636) IHC results could convert estrogen receptor (ER)-/PR- to ER-/PR+ tumors, making these patients potentially eligible for endocrine therapy.
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Affiliation(s)
- Benjamin C Calhoun
- Department of Pathology, Robert J. Tomsich Pathology and Laboratory Medicine Institute, Cleveland Clinic, Cleveland, OH, USA.
| | | | | | | | - J Jordi Rowe
- Department of Pathology, Robert J. Tomsich Pathology and Laboratory Medicine Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Christopher P Lanigan
- Department of Pathology, Robert J. Tomsich Pathology and Laboratory Medicine Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Karen C Mrazeck
- Department of Pathology, Robert J. Tomsich Pathology and Laboratory Medicine Institute, Cleveland Clinic, Cleveland, OH, USA
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