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Thomson JP, Hollis RL, van Baal J, Ilenkovan N, Churchman M, van de Vijver K, Dijk F, Meynert AM, Bartos C, Rye T, Croy I, Diana P, van Gent M, Creedon H, Nirsimloo R, Nussey F, Lok C, Herrington CS, Gourley C. Whole exome sequencing of low grade serous ovarian carcinoma identifies genomic events associated with clinical outcome. Gynecol Oncol 2023; 174:157-166. [PMID: 37207500 DOI: 10.1016/j.ygyno.2023.04.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 04/12/2023] [Accepted: 04/14/2023] [Indexed: 05/21/2023]
Abstract
OBJECTIVES Low-grade serous ovarian carcinoma (LGSOC) is a distinct, rare, ovarian cancer type characterised by younger patient age and intrinsic chemoresistance. Understanding the molecular landscape is crucial for optimising targeted therapy. METHODS Genomic data from whole exome sequencing of tumour tissue was analysed in a LGSOC cohort with detailed clinical annotation. RESULTS 63 cases were analysed and three subgroups identified based on single nucleotide variants: canonical MAPK mutant (cMAPKm: 52%, KRAS/BRAF/NRAS), MAPK-associated gene mutation (MAPK-assoc: 27%) and MAPK wild-type (MAPKwt: 21%). NOTCH pathway disruption occurred across all subgroups. Tumour mutational burden (TMB), mutational signatures and recurrent copy number (CN) changes varied across the cohort with co-occurrence of chromosome 1p loss and 1q gain (CN Chr1pq) a recurrent feature. Low TMB and CN Chr1pq were associated with inferior disease-specific survival (HR 6.43; p < 0.001 and HR 3.29, p = 0.011 respectively). Stepwise genomic classification in relation to outcome resulted in four groups (TMB low; CN Chr1pq; MAPKwt/MAPKassoc; cMAPKm). 5 year disease-specific survival was 46%, 55%, 79% and 100% respectively for these groups. The two most favourable genomic subgroups were enriched for the SBS10b mutational signature, particularly the cMAPKm subgroup. CONCLUSIONS LGSOC comprises multiple genomic subgroups with distinct clinical and molecular features. Chr1pq CN arm disruption and TMB represent promising methods to identify individuals with poorer prognosis. Further investigation of the molecular basis for these observations is required. MAPKwt cases represent around a fifth of patients. NOTCH inhibitors represent a candidate therapeutic strategy worthy of exploration across these cases.
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Affiliation(s)
- John P Thomson
- Nicola Murray Centre for Ovarian Cancer Research, Cancer Research UK Scotland Centre, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, UK
| | - Robert L Hollis
- Nicola Murray Centre for Ovarian Cancer Research, Cancer Research UK Scotland Centre, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, UK
| | - Juliette van Baal
- Department of Gynaecologic Oncology and Department of Pathology, The Netherlands Cancer Institute, Antoni van Leeuwenhoek, Amsterdam, the Netherlands
| | - Narthana Ilenkovan
- Nicola Murray Centre for Ovarian Cancer Research, Cancer Research UK Scotland Centre, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, UK; Cancer Research UK Beatson Institute, Glasgow, United Kingdom
| | - Michael Churchman
- Nicola Murray Centre for Ovarian Cancer Research, Cancer Research UK Scotland Centre, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, UK
| | - Koen van de Vijver
- Department of Gynaecologic Oncology and Department of Pathology, The Netherlands Cancer Institute, Antoni van Leeuwenhoek, Amsterdam, the Netherlands
| | - Frederike Dijk
- Department of Gynaecologic Oncology and Department of Pathology, Amsterdam University Medical Centres, Amsterdam, the Netherlands
| | - Alison M Meynert
- MRC Human Genetics Unit, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, UK
| | - Clare Bartos
- Nicola Murray Centre for Ovarian Cancer Research, Cancer Research UK Scotland Centre, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, UK
| | - Tzyvia Rye
- Nicola Murray Centre for Ovarian Cancer Research, Cancer Research UK Scotland Centre, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, UK
| | - Ian Croy
- Nicola Murray Centre for Ovarian Cancer Research, Cancer Research UK Scotland Centre, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, UK
| | - Patricia Diana
- Nicola Murray Centre for Ovarian Cancer Research, Cancer Research UK Scotland Centre, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, UK
| | - Mignon van Gent
- Department of Gynaecologic Oncology and Department of Pathology, Amsterdam University Medical Centres, Amsterdam, the Netherlands
| | - Helen Creedon
- Edinburgh Cancer Centre, Western General Hospital, NHS Lothian, Edinburgh, UK
| | - Rachel Nirsimloo
- Edinburgh Cancer Centre, Western General Hospital, NHS Lothian, Edinburgh, UK
| | - Fiona Nussey
- Edinburgh Cancer Centre, Western General Hospital, NHS Lothian, Edinburgh, UK
| | - Christianne Lok
- Department of Gynaecologic Oncology and Department of Pathology, The Netherlands Cancer Institute, Antoni van Leeuwenhoek, Amsterdam, the Netherlands
| | - C Simon Herrington
- Nicola Murray Centre for Ovarian Cancer Research, Cancer Research UK Scotland Centre, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, UK
| | - Charlie Gourley
- Nicola Murray Centre for Ovarian Cancer Research, Cancer Research UK Scotland Centre, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, UK.
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Hollis RL, Thomson JP, van Baal J, Ilenkovan N, Churchman M, van de Vijver K, Dijk F, Meynert AM, Bartos C, Rye T, Croy I, Diana P, van Gent M, Creedon H, Nirsimloo R, Lok C, Gourley C, Herrington CS. Distinct histopathological features are associated with molecular subtypes and outcome in low grade serous ovarian carcinoma. Sci Rep 2023; 13:7681. [PMID: 37169775 PMCID: PMC10175560 DOI: 10.1038/s41598-023-34627-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 05/04/2023] [Indexed: 05/13/2023] Open
Abstract
Low grade serous ovarian carcinoma (LGSOC) demonstrates unique clinical and molecular features compared to other ovarian cancer types. The relationship between common histological features of LGSOC and molecular events, such as hormone receptor expression patterns and MAPK gene mutation status, remains poorly understood. Recent data suggest some of these molecular features may be biomarkers of response to recently introduced biologically-targeted therapies, namely endocrine therapy and MEK inhibitors. We utilize a cohort of 63 pathologically-confirmed LGSOC cases with whole exome sequencing and hormone receptor expression data to investigate these relationships. LGSOC cases demonstrated uniformly high oestrogen receptor (ER) expression, but variable progesterone receptor (PR) expression intensity. 60% and 37% of cases demonstrated micropapillary and macropapillary patterns of stromal invasion, respectively. 63% of cases demonstrated desmoplasia, which was significantly associated with advanced disease stage and visible residual disease after cytoreductive surgery. MAPK-mutant cases (KRAS, BRAF, NRAS) more frequently demonstrated macropapillary stromal invasion, while Chr1p loss was associated with desmoplasia and low PR expression. Presence of micropapillary stromal invasion and low PR expression were associated with significantly poorer survival after accounting for stage and residual disease status. Together, these data identify novel relationships between histopathological features and molecularly-defined subgroups in LGSOC.
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Affiliation(s)
- Robert L Hollis
- Nicola Murray Centre for Ovarian Cancer Research, Cancer Research UK Scotland Centre, Institute of Genetics and Cancer, University of Edinburgh, Crewe Road South, Edinburgh, EH4 2XU, UK.
| | - John P Thomson
- Nicola Murray Centre for Ovarian Cancer Research, Cancer Research UK Scotland Centre, Institute of Genetics and Cancer, University of Edinburgh, Crewe Road South, Edinburgh, EH4 2XU, UK
| | - Juliette van Baal
- Department of Gynaecologic Oncology, The Netherlands Cancer Institute, Antoni Van Leeuwenhoek, Amsterdam, The Netherlands
- Department of Pathology, The Netherlands Cancer Institute, Antoni Van Leeuwenhoek, Amsterdam, The Netherlands
| | - Narthana Ilenkovan
- Nicola Murray Centre for Ovarian Cancer Research, Cancer Research UK Scotland Centre, Institute of Genetics and Cancer, University of Edinburgh, Crewe Road South, Edinburgh, EH4 2XU, UK
- Cancer Research UK Scotland Centre, Beatson Institute for Cancer Research, Glasgow, UK
| | - Michael Churchman
- Nicola Murray Centre for Ovarian Cancer Research, Cancer Research UK Scotland Centre, Institute of Genetics and Cancer, University of Edinburgh, Crewe Road South, Edinburgh, EH4 2XU, UK
| | - Koen van de Vijver
- Department of Gynaecologic Oncology, The Netherlands Cancer Institute, Antoni Van Leeuwenhoek, Amsterdam, The Netherlands
- Department of Pathology, The Netherlands Cancer Institute, Antoni Van Leeuwenhoek, Amsterdam, The Netherlands
| | - Frederike Dijk
- Department of Gynaecologic Oncology, Amsterdam University Medical Centres, Amsterdam, The Netherlands
- Department of Pathology, Amsterdam University Medical Centres, Amsterdam, The Netherlands
| | - Alison M Meynert
- MRC Human Genetics Unit, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, UK
| | - Clare Bartos
- Nicola Murray Centre for Ovarian Cancer Research, Cancer Research UK Scotland Centre, Institute of Genetics and Cancer, University of Edinburgh, Crewe Road South, Edinburgh, EH4 2XU, UK
| | - Tzyvia Rye
- Nicola Murray Centre for Ovarian Cancer Research, Cancer Research UK Scotland Centre, Institute of Genetics and Cancer, University of Edinburgh, Crewe Road South, Edinburgh, EH4 2XU, UK
| | - Ian Croy
- Nicola Murray Centre for Ovarian Cancer Research, Cancer Research UK Scotland Centre, Institute of Genetics and Cancer, University of Edinburgh, Crewe Road South, Edinburgh, EH4 2XU, UK
| | - Patricia Diana
- Nicola Murray Centre for Ovarian Cancer Research, Cancer Research UK Scotland Centre, Institute of Genetics and Cancer, University of Edinburgh, Crewe Road South, Edinburgh, EH4 2XU, UK
| | - Mignon van Gent
- Department of Gynaecologic Oncology, Amsterdam University Medical Centres, Amsterdam, The Netherlands
- Department of Pathology, Amsterdam University Medical Centres, Amsterdam, The Netherlands
| | - Helen Creedon
- Edinburgh Cancer Centre, Western General Hospital, NHS Lothian, Edinburgh, UK
| | - Rachel Nirsimloo
- Edinburgh Cancer Centre, Western General Hospital, NHS Lothian, Edinburgh, UK
| | - Christianne Lok
- Department of Gynaecologic Oncology, The Netherlands Cancer Institute, Antoni Van Leeuwenhoek, Amsterdam, The Netherlands
- Department of Pathology, The Netherlands Cancer Institute, Antoni Van Leeuwenhoek, Amsterdam, The Netherlands
| | - Charlie Gourley
- Nicola Murray Centre for Ovarian Cancer Research, Cancer Research UK Scotland Centre, Institute of Genetics and Cancer, University of Edinburgh, Crewe Road South, Edinburgh, EH4 2XU, UK
| | - C Simon Herrington
- Nicola Murray Centre for Ovarian Cancer Research, Cancer Research UK Scotland Centre, Institute of Genetics and Cancer, University of Edinburgh, Crewe Road South, Edinburgh, EH4 2XU, UK.
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Hollis RL, Stillie LJ, Hopkins S, Bartos C, Churchman M, Rye T, Nussey F, Fegan S, Nirsimloo R, Inman GJ, Herrington CS, Gourley C. Clinicopathological Determinants of Recurrence Risk and Survival in Mucinous Ovarian Carcinoma. Cancers (Basel) 2021; 13:5839. [PMID: 34830992 PMCID: PMC8616033 DOI: 10.3390/cancers13225839] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 11/17/2021] [Accepted: 11/18/2021] [Indexed: 12/24/2022] Open
Abstract
Mucinous ovarian carcinoma (MOC) is a unique form of ovarian cancer. MOC typically presents at early stage but demonstrates intrinsic chemoresistance; treatment of advanced-stage and relapsed disease is therefore challenging. We harness a large retrospective MOC cohort to identify factors associated with recurrence risk and survival. A total of 151 MOC patients were included. The 5 year disease-specific survival (DSS) was 84.5%. Risk of subsequent recurrence after a disease-free period of 2 and 5 years was low (8.3% and 5.6% over the next 10 years). The majority of cases were FIGO stage I (35.6% IA, 43.0% IC). Multivariable analysis identified stage and pathological grade as independently associated with DSS (p < 0.001 and p < 0.001). Grade 1 stage I patients represented the majority of cases (53.0%) and demonstrated exceptional survival (10 year DSS 95.3%); survival was comparable between grade I stage IA and stage IC patients, and between grade I stage IC patients who did and did not receive adjuvant chemotherapy. At 5 years following diagnosis, the proportion of grade 1, 2 and 3 patients remaining disease free was 89.5%, 74.9% and 41.7%; the corresponding proportions for FIGO stage I, II and III/IV patients were 91.1%, 76.7% and 19.8%. Median post-relapse survival was 5.0 months. Most MOC patients present with low-grade early-stage disease and are at low risk of recurrence. New treatment options are urgently needed to improve survival following relapse, which is associated with extremely poor prognosis.
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Affiliation(s)
- Robert L. Hollis
- The Nicola Murray Centre for Ovarian Cancer Research, Cancer Research UK Edinburgh Centre, MRC Institute of Genetics and Cancer, University of Edinburgh, Edinburgh EH4 2XU, Scotland, UK; (L.J.S.); (C.B.); (M.C.); (T.R.); (C.S.H.); (C.G.)
| | - Lorna J. Stillie
- The Nicola Murray Centre for Ovarian Cancer Research, Cancer Research UK Edinburgh Centre, MRC Institute of Genetics and Cancer, University of Edinburgh, Edinburgh EH4 2XU, Scotland, UK; (L.J.S.); (C.B.); (M.C.); (T.R.); (C.S.H.); (C.G.)
- Cancer Research UK Beatson Institute, Institute of Cancer Sciences, University of Glasgow, Glasgow G61 1BD, Scotland, UK;
| | - Samantha Hopkins
- Edinburgh Cancer Centre, Western General Hospital, NHS Lothian, Edinburgh EH4 2LF, Scotland, UK; (S.H.); (F.N.); (R.N.)
| | - Clare Bartos
- The Nicola Murray Centre for Ovarian Cancer Research, Cancer Research UK Edinburgh Centre, MRC Institute of Genetics and Cancer, University of Edinburgh, Edinburgh EH4 2XU, Scotland, UK; (L.J.S.); (C.B.); (M.C.); (T.R.); (C.S.H.); (C.G.)
| | - Michael Churchman
- The Nicola Murray Centre for Ovarian Cancer Research, Cancer Research UK Edinburgh Centre, MRC Institute of Genetics and Cancer, University of Edinburgh, Edinburgh EH4 2XU, Scotland, UK; (L.J.S.); (C.B.); (M.C.); (T.R.); (C.S.H.); (C.G.)
| | - Tzyvia Rye
- The Nicola Murray Centre for Ovarian Cancer Research, Cancer Research UK Edinburgh Centre, MRC Institute of Genetics and Cancer, University of Edinburgh, Edinburgh EH4 2XU, Scotland, UK; (L.J.S.); (C.B.); (M.C.); (T.R.); (C.S.H.); (C.G.)
| | - Fiona Nussey
- Edinburgh Cancer Centre, Western General Hospital, NHS Lothian, Edinburgh EH4 2LF, Scotland, UK; (S.H.); (F.N.); (R.N.)
| | - Scott Fegan
- The Simpson Centre for Reproductive Health, Royal Infirmary of Edinburgh, NHS Lothian, Edinburgh EH16 4TJ, Scotland, UK;
| | - Rachel Nirsimloo
- Edinburgh Cancer Centre, Western General Hospital, NHS Lothian, Edinburgh EH4 2LF, Scotland, UK; (S.H.); (F.N.); (R.N.)
| | - Gareth J. Inman
- Cancer Research UK Beatson Institute, Institute of Cancer Sciences, University of Glasgow, Glasgow G61 1BD, Scotland, UK;
| | - C. Simon Herrington
- The Nicola Murray Centre for Ovarian Cancer Research, Cancer Research UK Edinburgh Centre, MRC Institute of Genetics and Cancer, University of Edinburgh, Edinburgh EH4 2XU, Scotland, UK; (L.J.S.); (C.B.); (M.C.); (T.R.); (C.S.H.); (C.G.)
| | - Charlie Gourley
- The Nicola Murray Centre for Ovarian Cancer Research, Cancer Research UK Edinburgh Centre, MRC Institute of Genetics and Cancer, University of Edinburgh, Edinburgh EH4 2XU, Scotland, UK; (L.J.S.); (C.B.); (M.C.); (T.R.); (C.S.H.); (C.G.)
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Nirsimloo R, Law A, Malik J. A 15 Year Retrospective Audit of the Incidence and Outcomes for Germ Cell Cancers Treated at the Edinburgh Cancer Centre 2000–2015. Clin Oncol (R Coll Radiol) 2019. [DOI: 10.1016/j.clon.2018.11.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Nirsimloo R, MacKean M. Adjuvant trial recruitment in thoracic oncology – The Edinburgh Cancer Centre perspective. Lung Cancer 2018. [DOI: 10.1016/s0169-5002(18)30221-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Abstract
INTRODUCTION PARP inhibition is an exciting new anticancer strategy. Olaparib has recently obtained a first in class license in Europe and the USA for the treatment of relapsed BRCA-mutant ovarian cancer. AREAS COVERED We review the key preclinical and clinical data surrounding its use in the maintenance setting. Expert commentary: We also consider the market profile, regulatory issues surrounding the agent and offer a five year speculative viewpoint of its future development in ovarian cancer.
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Affiliation(s)
- Rachel Nirsimloo
- a Edinburgh Cancer Centre , Western General Hospital , Edinburgh , UK
| | - Charlie Gourley
- b MRC IGMM , University of Edinburgh Cancer Research UK Centre , Edinburgh , UK
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