1
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Mejía-Barradas CM, Amador-Martínez A, Lara-Padilla E, Cárdenas-Rodríguez N, Ignacio-Mejía I, Martínez-López V, Ibañez-Cervantes G, Picado-Garcia ODJ, Domínguez B, Bandala C. Effects of Selective and Nonselective Beta Blockers on Bone Mineral Density in Mexican Patients with Breast Cancer. Cancers (Basel) 2024; 16:2891. [PMID: 39199661 PMCID: PMC11352457 DOI: 10.3390/cancers16162891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2024] [Revised: 08/06/2024] [Accepted: 08/16/2024] [Indexed: 09/01/2024] Open
Abstract
Breast cancer (BCa) is related to chronic stress and can reduce the bone mineral density (BMD) through neurochemicals related to beta-adrenergic receptor (ADRB) 1 and 2. Selective beta blockers (sBBs) and nonselective beta blockers (nsBBs) are used to treat systemic arterial hypertension (SAH) and may have osteoprotective effects, as they inhibit ADRBs. To evaluate the effects of sBBs and nsBBs on the BMD of Mexican patients with BCa. A retrospective study was conducted. We included 191 Mexican women with BCa without SAH and with SAH treated with nsBBs, sBBs, and diuretics. BMD was evaluated using a bone density scan (DEX scan). A greater average BMD (p < 0.05) was observed in patients with prior treatment with both nsBBs and sBBs (0.54 ± 0.94 and -0.44 ± 1.22, respectively) compared to patients treated with diuretics or without SAH (-1.73 ± 0.83 and -1.22 ± 0.98, respectively). Regarding the diagnosis of osteoporosis/osteopenia, no cases were observed in patients treated with nsBBs, whereas 5.6% of the patients treated with sBBs presented osteopenia. A total of 23.1% and 10.6% patients managed with diuretics or without treatment presented with osteoporosis and 61.5% and 48% patients managed with loop diuretics and without treatment presented with osteopenia, respectively (p < 0.05). Treatment with nsBBs is a promising option for the prevention and management of osteoporosis/osteopenia in Mexican patients with BCa; however, further prospective studies are needed.
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Affiliation(s)
- César Miguel Mejía-Barradas
- Escuela Superior de Medicina, Instituto Politécnico Nacional, Mexico City 11340, Mexico; (C.M.M.-B.); (E.L.-P.); (G.I.-C.), (B.D.)
| | - Ana Amador-Martínez
- Departamento de Radiología e Imagen, Centro Médico ABC, Mexico City 01120, Mexico;
| | - Eleazar Lara-Padilla
- Escuela Superior de Medicina, Instituto Politécnico Nacional, Mexico City 11340, Mexico; (C.M.M.-B.); (E.L.-P.); (G.I.-C.), (B.D.)
| | | | - Iván Ignacio-Mejía
- Laboratorio de Medicina Traslacional, Escuela Militar de Graduados en Sanidad, Universidad Del Ejército y Fuerza Aérea, Mexico City 11200, Mexico;
| | - Valentín Martínez-López
- Unidad de Ingeniería de Tejidos, Terapia Celular y Medicina Regenerativa, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Mexico City 14389, Mexico;
| | - Gabriela Ibañez-Cervantes
- Escuela Superior de Medicina, Instituto Politécnico Nacional, Mexico City 11340, Mexico; (C.M.M.-B.); (E.L.-P.); (G.I.-C.), (B.D.)
- División de Investigación, Hospital Juárez de México, Mexico City 07760, Mexico
| | | | - Brayan Domínguez
- Escuela Superior de Medicina, Instituto Politécnico Nacional, Mexico City 11340, Mexico; (C.M.M.-B.); (E.L.-P.); (G.I.-C.), (B.D.)
| | - Cindy Bandala
- Escuela Superior de Medicina, Instituto Politécnico Nacional, Mexico City 11340, Mexico; (C.M.M.-B.); (E.L.-P.); (G.I.-C.), (B.D.)
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2
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Ma J, Gong Y, Sun X, Liu C, Li X, Sun Y, Yang D, He J, Wang M, Du J, Zhang J, Xu W, Wang T, Chi X, Tang Y, Song J, Wang Y, Ma F, Chen C, Zhang H, Zhan J. Tumor suppressor FRMD3 controls mammary epithelial cell fate determination via notch signaling pathway. SCIENCE ADVANCES 2024; 10:eadk8958. [PMID: 38959315 PMCID: PMC11221522 DOI: 10.1126/sciadv.adk8958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Accepted: 05/17/2024] [Indexed: 07/05/2024]
Abstract
The luminal-to-basal transition in mammary epithelial cells (MECs) is accompanied by changes in epithelial cell lineage plasticity; however, the underlying mechanism remains elusive. Here, we report that deficiency of Frmd3 inhibits mammary gland lineage development and induces stemness of MECs, subsequently leading to the occurrence of triple-negative breast cancer. Loss of Frmd3 in PyMT mice results in a luminal-to-basal transition phenotype. Single-cell RNA sequencing of MECs indicated that knockout of Frmd3 inhibits the Notch signaling pathway. Mechanistically, FERM domain-containing protein 3 (FRMD3) promotes the degradation of Disheveled-2 by disrupting its interaction with deubiquitinase USP9x. FRMD3 also interrupts the interaction of Disheveled-2 with CK1, FOXK1/2, and NICD and decreases Disheveled-2 phosphorylation and nuclear localization, thereby impairing Notch-dependent luminal epithelial lineage plasticity in MECs. A low level of FRMD3 predicts poor outcomes for breast cancer patients. Together, we demonstrated that FRMD3 is a tumor suppressor that functions as an endogenous activator of the Notch signaling pathway, facilitating the basal-to-luminal transformation in MECs.
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Affiliation(s)
- Ji Ma
- Program for Cancer and Cell Biology, Department of Human Anatomy, Histology, and Embryology, School of Basic Medical Sciences, and Peking University International Cancer Institute, State Key Laboratory of Molecular Oncology, Peking University Health Science Center, Beijing 100191, China
| | - Yuqing Gong
- Program for Cancer and Cell Biology, Department of Human Anatomy, Histology, and Embryology, School of Basic Medical Sciences, and Peking University International Cancer Institute, State Key Laboratory of Molecular Oncology, Peking University Health Science Center, Beijing 100191, China
| | - Xiaoran Sun
- Program for Cancer and Cell Biology, Department of Human Anatomy, Histology, and Embryology, School of Basic Medical Sciences, and Peking University International Cancer Institute, State Key Laboratory of Molecular Oncology, Peking University Health Science Center, Beijing 100191, China
- Department of Pathology, Peking University Health Science Center, Beijing 100191, China
| | - Cheng Liu
- Program for Cancer and Cell Biology, Department of Human Anatomy, Histology, and Embryology, School of Basic Medical Sciences, and Peking University International Cancer Institute, State Key Laboratory of Molecular Oncology, Peking University Health Science Center, Beijing 100191, China
| | - Xueying Li
- Program for Cancer and Cell Biology, Department of Human Anatomy, Histology, and Embryology, School of Basic Medical Sciences, and Peking University International Cancer Institute, State Key Laboratory of Molecular Oncology, Peking University Health Science Center, Beijing 100191, China
| | - Yi Sun
- Program for Cancer and Cell Biology, Department of Human Anatomy, Histology, and Embryology, School of Basic Medical Sciences, and Peking University International Cancer Institute, State Key Laboratory of Molecular Oncology, Peking University Health Science Center, Beijing 100191, China
| | - Decao Yang
- Program for Cancer and Cell Biology, Department of Human Anatomy, Histology, and Embryology, School of Basic Medical Sciences, and Peking University International Cancer Institute, State Key Laboratory of Molecular Oncology, Peking University Health Science Center, Beijing 100191, China
| | - Junming He
- Program for Cancer and Cell Biology, Department of Human Anatomy, Histology, and Embryology, School of Basic Medical Sciences, and Peking University International Cancer Institute, State Key Laboratory of Molecular Oncology, Peking University Health Science Center, Beijing 100191, China
| | - Mengyuan Wang
- Program for Cancer and Cell Biology, Department of Human Anatomy, Histology, and Embryology, School of Basic Medical Sciences, and Peking University International Cancer Institute, State Key Laboratory of Molecular Oncology, Peking University Health Science Center, Beijing 100191, China
| | - Juan Du
- Program for Cancer and Cell Biology, Department of Human Anatomy, Histology, and Embryology, School of Basic Medical Sciences, and Peking University International Cancer Institute, State Key Laboratory of Molecular Oncology, Peking University Health Science Center, Beijing 100191, China
| | - Jing Zhang
- Program for Cancer and Cell Biology, Department of Human Anatomy, Histology, and Embryology, School of Basic Medical Sciences, and Peking University International Cancer Institute, State Key Laboratory of Molecular Oncology, Peking University Health Science Center, Beijing 100191, China
| | - Weizhi Xu
- Program for Cancer and Cell Biology, Department of Human Anatomy, Histology, and Embryology, School of Basic Medical Sciences, and Peking University International Cancer Institute, State Key Laboratory of Molecular Oncology, Peking University Health Science Center, Beijing 100191, China
| | - Tianzhuo Wang
- Program for Cancer and Cell Biology, Department of Human Anatomy, Histology, and Embryology, School of Basic Medical Sciences, and Peking University International Cancer Institute, State Key Laboratory of Molecular Oncology, Peking University Health Science Center, Beijing 100191, China
| | - Xiaochun Chi
- Program for Cancer and Cell Biology, Department of Human Anatomy, Histology, and Embryology, School of Basic Medical Sciences, and Peking University International Cancer Institute, State Key Laboratory of Molecular Oncology, Peking University Health Science Center, Beijing 100191, China
| | - Yan Tang
- Program for Cancer and Cell Biology, Department of Human Anatomy, Histology, and Embryology, School of Basic Medical Sciences, and Peking University International Cancer Institute, State Key Laboratory of Molecular Oncology, Peking University Health Science Center, Beijing 100191, China
| | - Jiagui Song
- Program for Cancer and Cell Biology, Department of Human Anatomy, Histology, and Embryology, School of Basic Medical Sciences, and Peking University International Cancer Institute, State Key Laboratory of Molecular Oncology, Peking University Health Science Center, Beijing 100191, China
| | - Yunling Wang
- Institute of Cardiovascular Research, Peking University Health Science Center, Beijing 100191, China
| | - Fei Ma
- National Cancer Center, State Key Laboratory of Molecular Oncology, Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Ceshi Chen
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences and Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan 650223, China
| | - Hongquan Zhang
- Program for Cancer and Cell Biology, Department of Human Anatomy, Histology, and Embryology, School of Basic Medical Sciences, and Peking University International Cancer Institute, State Key Laboratory of Molecular Oncology, Peking University Health Science Center, Beijing 100191, China
| | - Jun Zhan
- Program for Cancer and Cell Biology, Department of Human Anatomy, Histology, and Embryology, School of Basic Medical Sciences, and Peking University International Cancer Institute, State Key Laboratory of Molecular Oncology, Peking University Health Science Center, Beijing 100191, China
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Abdul-Rahman T, Roy P, Herrera-Calderón RE, Khidri FF, Omotesho QA, Rumide TS, Fatima M, Roy S, Wireko AA, Atallah O, Roy S, Amekpor F, Ghosh S, Agyigra IA, Horbas V, Teslyk T, Bumeister V, Papadakis M, Alexiou A. Extracellular vesicle-mediated drug delivery in breast cancer theranostics. Discov Oncol 2024; 15:181. [PMID: 38780753 PMCID: PMC11116322 DOI: 10.1007/s12672-024-01007-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Accepted: 05/03/2024] [Indexed: 05/25/2024] Open
Abstract
Breast cancer (BC) continues to be a significant global challenge due to drug resistance and severe side effects. The increasing prevalence is alarming, requiring new therapeutic approaches to address these challenges. At this point, Extracellular vesicles (EVs), specifically small endosome-released nanometer-sized EVs (SEVs) or exosomes, have been explored by literature as potential theranostics. Therefore, this review aims to highlight the therapeutic potential of exosomes in BC, focusing on their advantages in drug delivery and their ability to mitigate metastasis. Following the review, we identified exosomes' potential in combination therapies, serving as miRNA carriers and contributing to improved anti-tumor effects. This is evident in clinical trials investigating exosomes in BC, which have shown their ability to boost chemotherapy efficacy by delivering drugs like paclitaxel (PTX) and doxorubicin (DOX). However, the translation of EVs into BC therapy is hindered by various challenges. These challenges include the heterogeneity of EVs, the selection of the appropriate parent cell, the loading procedures, and determining the optimal administration routes. Despite the promising therapeutic potential of EVs, these obstacles must be addressed to realize their benefits in BC treatment.
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Affiliation(s)
| | - Poulami Roy
- Department of Medicine, North Bengal Medical College and Hospital, Siliguri, India
| | - Ranferi Eduardo Herrera-Calderón
- Center for Research in Health Sciences (CICSA), Faculty of Medicine, Anahuac University North Campus, 52786, Huixquilucan, Mexico
| | | | | | | | | | - Sakshi Roy
- School of Medicine, Queens University Belfast, Northern Ireland, UK
| | | | - Oday Atallah
- Department of Neurosurgery, Hannover Medical School, Carl-Neuberg-Strasse 1, 30625, Hannover, Germany
| | - Subham Roy
- Hull York Medical School, University of York, York, UK
| | - Felix Amekpor
- Noguchi Memorial Institute for Medical Research, University of Ghana, Accra, Ghana
| | - Shankhaneel Ghosh
- Institute of Medical Sciences and SUM Hospital, Siksha 'O' Anusandhan, Bhubaneswar, India
| | | | | | | | | | - Marios Papadakis
- Department of Surgery II, University Hospital Witten-Herdecke, Heusnerstrasse 40, University of Witten-Herdecke, 42283, Wuppertal, Germany.
| | - Athanasios Alexiou
- University Centre for Research and Development, Chandigarh University, Chandigarh-Ludhiana Highway, Mohali, Punjab, India.
- Department of Research and Development, Funogen, 11741, Athens, Greece.
- Department of Research and Development, AFNP Med, 1030, Vienna, Austria.
- Department of Science and Engineering, Novel Global Community Educational Foundation, Hebersham, NSW, 2770, Australia.
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4
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Wang J, Li B, Luo M, Huang J, Zhang K, Zheng S, Zhang S, Zhou J. Progression from ductal carcinoma in situ to invasive breast cancer: molecular features and clinical significance. Signal Transduct Target Ther 2024; 9:83. [PMID: 38570490 PMCID: PMC10991592 DOI: 10.1038/s41392-024-01779-3] [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: 06/16/2023] [Revised: 02/14/2024] [Accepted: 02/26/2024] [Indexed: 04/05/2024] Open
Abstract
Ductal carcinoma in situ (DCIS) represents pre-invasive breast carcinoma. In untreated cases, 25-60% DCIS progress to invasive ductal carcinoma (IDC). The challenge lies in distinguishing between non-progressive and progressive DCIS, often resulting in over- or under-treatment in many cases. With increasing screen-detected DCIS in these years, the nature of DCIS has aroused worldwide attention. A deeper understanding of the biological nature of DCIS and the molecular journey of the DCIS-IDC transition is crucial for more effective clinical management. Here, we reviewed the key signaling pathways in breast cancer that may contribute to DCIS initiation and progression. We also explored the molecular features of DCIS and IDC, shedding light on the progression of DCIS through both inherent changes within tumor cells and alterations in the tumor microenvironment. In addition, valuable research tools utilized in studying DCIS including preclinical models and newer advanced technologies such as single-cell sequencing, spatial transcriptomics and artificial intelligence, have been systematically summarized. Further, we thoroughly discussed the clinical advancements in DCIS and IDC, including prognostic biomarkers and clinical managements, with the aim of facilitating more personalized treatment strategies in the future. Research on DCIS has already yielded significant insights into breast carcinogenesis and will continue to pave the way for practical clinical applications.
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Affiliation(s)
- Jing Wang
- The Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Department of Breast Surgery and Oncology, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Zhejiang Provincial Clinical Research Center for Cancer, Hangzhou, China
| | - Baizhou Li
- Department of Pathology, the Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, China
| | - Meng Luo
- The Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Zhejiang Provincial Clinical Research Center for Cancer, Hangzhou, China
- Department of Plastic Surgery, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jia Huang
- The Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Zhejiang Provincial Clinical Research Center for Cancer, Hangzhou, China
| | - Kun Zhang
- Department of Breast Surgery and Oncology, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Shu Zheng
- The Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Zhejiang Provincial Clinical Research Center for Cancer, Hangzhou, China
| | - Suzhan Zhang
- The Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
- Zhejiang Provincial Clinical Research Center for Cancer, Hangzhou, China.
| | - Jiaojiao Zhou
- The Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
- Department of Breast Surgery and Oncology, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
- Zhejiang Provincial Clinical Research Center for Cancer, Hangzhou, China.
- Cancer Center, Zhejiang University, Hangzhou, China.
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5
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Guergan S, Boeer B, Fugunt R, Helms G, Roehm C, Solomianik A, Neugebauer A, Nuessle D, Schuermann M, Brunecker K, Jurjut O, Boehme KA, Dammeier S, Enderle MD, Bettio S, Gonzalez-Menendez I, Staebler A, Brucker SY, Kraemer B, Wallwiener D, Fend F, Hahn M. Optical Emission Spectroscopy for the Real-Time Identification of Malignant Breast Tissue. Diagnostics (Basel) 2024; 14:338. [PMID: 38337854 PMCID: PMC10855719 DOI: 10.3390/diagnostics14030338] [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: 11/03/2023] [Revised: 01/29/2024] [Accepted: 01/31/2024] [Indexed: 02/12/2024] Open
Abstract
Breast conserving resection with free margins is the gold standard treatment for early breast cancer recommended by guidelines worldwide. Therefore, reliable discrimination between normal and malignant tissue at the resection margins is essential. In this study, normal and abnormal tissue samples from breast cancer patients were characterized ex vivo by optical emission spectroscopy (OES) based on ionized atoms and molecules generated during electrosurgical treatment. The aim of the study was to determine spectroscopic features which are typical for healthy and neoplastic breast tissue allowing for future real-time tissue differentiation and margin assessment during breast cancer surgery. A total of 972 spectra generated by electrosurgical sparking on normal and abnormal tissue were used for support vector classifier (SVC) training. Specific spectroscopic features were selected for the classification of tissues in the included breast cancer patients. The average classification accuracy for all patients was 96.9%. Normal and abnormal breast tissue could be differentiated with a mean sensitivity of 94.8%, a specificity of 99.0%, a positive predictive value (PPV) of 99.1% and a negative predictive value (NPV) of 96.1%. For 66.6% patients all classifications reached 100%. Based on this convincing data, a future clinical application of OES-based tissue differentiation in breast cancer surgery seems to be feasible.
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Affiliation(s)
- Selin Guergan
- Department of Women’s Health, Tuebingen University Hospital, 72076 Tübingen, Germany; (B.B.); (R.F.); (G.H.); (C.R.); (A.S.); (S.Y.B.); (B.K.); (D.W.); (M.H.)
| | - Bettina Boeer
- Department of Women’s Health, Tuebingen University Hospital, 72076 Tübingen, Germany; (B.B.); (R.F.); (G.H.); (C.R.); (A.S.); (S.Y.B.); (B.K.); (D.W.); (M.H.)
| | - Regina Fugunt
- Department of Women’s Health, Tuebingen University Hospital, 72076 Tübingen, Germany; (B.B.); (R.F.); (G.H.); (C.R.); (A.S.); (S.Y.B.); (B.K.); (D.W.); (M.H.)
| | - Gisela Helms
- Department of Women’s Health, Tuebingen University Hospital, 72076 Tübingen, Germany; (B.B.); (R.F.); (G.H.); (C.R.); (A.S.); (S.Y.B.); (B.K.); (D.W.); (M.H.)
| | - Carmen Roehm
- Department of Women’s Health, Tuebingen University Hospital, 72076 Tübingen, Germany; (B.B.); (R.F.); (G.H.); (C.R.); (A.S.); (S.Y.B.); (B.K.); (D.W.); (M.H.)
| | - Anna Solomianik
- Department of Women’s Health, Tuebingen University Hospital, 72076 Tübingen, Germany; (B.B.); (R.F.); (G.H.); (C.R.); (A.S.); (S.Y.B.); (B.K.); (D.W.); (M.H.)
| | - Alexander Neugebauer
- Erbe Elektromedizin GmbH, Waldhoernlestr. 17, 72072 Tübingen, Germany; (A.N.); (D.N.); (M.S.); (O.J.); (K.A.B.); (S.D.); (M.D.E.)
| | - Daniela Nuessle
- Erbe Elektromedizin GmbH, Waldhoernlestr. 17, 72072 Tübingen, Germany; (A.N.); (D.N.); (M.S.); (O.J.); (K.A.B.); (S.D.); (M.D.E.)
| | - Mirjam Schuermann
- Erbe Elektromedizin GmbH, Waldhoernlestr. 17, 72072 Tübingen, Germany; (A.N.); (D.N.); (M.S.); (O.J.); (K.A.B.); (S.D.); (M.D.E.)
| | - Kristin Brunecker
- Erbe Elektromedizin GmbH, Waldhoernlestr. 17, 72072 Tübingen, Germany; (A.N.); (D.N.); (M.S.); (O.J.); (K.A.B.); (S.D.); (M.D.E.)
| | - Ovidiu Jurjut
- Erbe Elektromedizin GmbH, Waldhoernlestr. 17, 72072 Tübingen, Germany; (A.N.); (D.N.); (M.S.); (O.J.); (K.A.B.); (S.D.); (M.D.E.)
| | - Karen A. Boehme
- Erbe Elektromedizin GmbH, Waldhoernlestr. 17, 72072 Tübingen, Germany; (A.N.); (D.N.); (M.S.); (O.J.); (K.A.B.); (S.D.); (M.D.E.)
| | - Sascha Dammeier
- Erbe Elektromedizin GmbH, Waldhoernlestr. 17, 72072 Tübingen, Germany; (A.N.); (D.N.); (M.S.); (O.J.); (K.A.B.); (S.D.); (M.D.E.)
| | - Markus D. Enderle
- Erbe Elektromedizin GmbH, Waldhoernlestr. 17, 72072 Tübingen, Germany; (A.N.); (D.N.); (M.S.); (O.J.); (K.A.B.); (S.D.); (M.D.E.)
| | - Sabrina Bettio
- Institute of Pathology and Neuropathology, Tuebingen University Hospital, 72076 Tübingen, Germany; (S.B.); (I.G.-M.); (A.S.); (F.F.)
| | - Irene Gonzalez-Menendez
- Institute of Pathology and Neuropathology, Tuebingen University Hospital, 72076 Tübingen, Germany; (S.B.); (I.G.-M.); (A.S.); (F.F.)
| | - Annette Staebler
- Institute of Pathology and Neuropathology, Tuebingen University Hospital, 72076 Tübingen, Germany; (S.B.); (I.G.-M.); (A.S.); (F.F.)
| | - Sara Y. Brucker
- Department of Women’s Health, Tuebingen University Hospital, 72076 Tübingen, Germany; (B.B.); (R.F.); (G.H.); (C.R.); (A.S.); (S.Y.B.); (B.K.); (D.W.); (M.H.)
| | - Bernhard Kraemer
- Department of Women’s Health, Tuebingen University Hospital, 72076 Tübingen, Germany; (B.B.); (R.F.); (G.H.); (C.R.); (A.S.); (S.Y.B.); (B.K.); (D.W.); (M.H.)
| | - Diethelm Wallwiener
- Department of Women’s Health, Tuebingen University Hospital, 72076 Tübingen, Germany; (B.B.); (R.F.); (G.H.); (C.R.); (A.S.); (S.Y.B.); (B.K.); (D.W.); (M.H.)
| | - Falko Fend
- Institute of Pathology and Neuropathology, Tuebingen University Hospital, 72076 Tübingen, Germany; (S.B.); (I.G.-M.); (A.S.); (F.F.)
| | - Markus Hahn
- Department of Women’s Health, Tuebingen University Hospital, 72076 Tübingen, Germany; (B.B.); (R.F.); (G.H.); (C.R.); (A.S.); (S.Y.B.); (B.K.); (D.W.); (M.H.)
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6
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Jokela TA, Dane MA, Smith RL, Devlin KL, Shalabi S, Lopez JC, Miyano M, Stampfer MR, Korkola JE, Gray JW, Heiser LM, LaBarge MA. Functional delineation of the luminal epithelial microenvironment in breast using cell-based screening in combinatorial microenvironments. Cell Signal 2024; 113:110958. [PMID: 37935340 PMCID: PMC10696611 DOI: 10.1016/j.cellsig.2023.110958] [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: 09/22/2023] [Revised: 10/24/2023] [Accepted: 10/30/2023] [Indexed: 11/09/2023]
Abstract
Microenvironment signals are potent determinants of cell fate and arbiters of tissue homeostasis, however understanding how different microenvironment factors coordinately regulate cellular phenotype has been experimentally challenging. Here we used a high-throughput microenvironment microarray comprised of 2640 unique pairwise signals to identify factors that support proliferation and maintenance of primary human mammary luminal epithelial cells. Multiple microenvironment factors that modulated luminal cell number were identified, including: HGF, NRG1, BMP2, CXCL1, TGFB1, FGF2, PDGFB, RANKL, WNT3A, SPP1, HA, VTN, and OMD. All of these factors were previously shown to modulate luminal cell numbers in painstaking mouse genetics experiments, or were shown to have a role in breast cancer, demonstrating the relevance and power of our high-dimensional approach to dissect key microenvironmental signals. RNA-sequencing of primary epithelial and stromal cell lineages identified the cell types that express these signals and the cognate receptors in vivo. Cell-based functional studies confirmed which effects from microenvironment factors were reproducible and robust to individual variation. Hepatocyte growth factor (HGF) was the factor most robust to individual variation and drove expansion of luminal cells via cKit+ progenitor cells, which expressed abundant MET receptor. Luminal cells from women who are genetically high risk for breast cancer had significantly more MET receptor and may explain the characteristic expansion of the luminal lineage in those women. In ensemble, our approach provides proof of principle that microenvironment signals that control specific cellular states can be dissected with high-dimensional cell-based approaches.
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Affiliation(s)
- Tiina A Jokela
- Department of Population Sciences, Center for Cancer and Aging, Beckman Research Institute, City of Hope National Medical Center, Duarte, CA 91010, USA
| | - Mark A Dane
- Department of Biomedical Engineering, Oregon Health Sciences University, Portland, OR, USA
| | - Rebecca L Smith
- Department of Biomedical Engineering, Oregon Health Sciences University, Portland, OR, USA
| | - Kaylyn L Devlin
- Department of Biomedical Engineering, Oregon Health Sciences University, Portland, OR, USA
| | - Sundus Shalabi
- Department of Population Sciences, Center for Cancer and Aging, Beckman Research Institute, City of Hope National Medical Center, Duarte, CA 91010, USA; Faculty of Medicine, Arab American University of Palestine, Jenin, Palestine
| | - Jennifer C Lopez
- Department of Population Sciences, Center for Cancer and Aging, Beckman Research Institute, City of Hope National Medical Center, Duarte, CA 91010, USA
| | - Masaru Miyano
- Department of Population Sciences, Center for Cancer and Aging, Beckman Research Institute, City of Hope National Medical Center, Duarte, CA 91010, USA
| | - Martha R Stampfer
- Biological Systems and Engineering Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
| | - James E Korkola
- Department of Biomedical Engineering, Oregon Health Sciences University, Portland, OR, USA
| | - Joe W Gray
- Department of Biomedical Engineering, Oregon Health Sciences University, Portland, OR, USA
| | - Laura M Heiser
- Department of Biomedical Engineering, Oregon Health Sciences University, Portland, OR, USA.
| | - Mark A LaBarge
- Department of Population Sciences, Center for Cancer and Aging, Beckman Research Institute, City of Hope National Medical Center, Duarte, CA 91010, USA; Center for Cancer Biomarkers Research (CCBIO), University of Bergen, Bergen, Norway; Biological Systems and Engineering Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.
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7
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Angarola BL, Sharma S, Katiyar N, Gu Kang H, Nehar-Belaid D, Park S, Gott R, Eryilmaz GN, LaBarge MA, Palucka K, Chuang JH, Korstanje R, Ucar D, Anczukow O. Comprehensive single cell aging atlas of mammary tissues reveals shared epigenomic and transcriptomic signatures of aging and cancer. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.10.20.563147. [PMID: 37961129 PMCID: PMC10634680 DOI: 10.1101/2023.10.20.563147] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
Aging is the greatest risk factor for breast cancer; however, how age-related cellular and molecular events impact cancer initiation is unknown. We investigate how aging rewires transcriptomic and epigenomic programs of mouse mammary glands at single cell resolution, yielding a comprehensive resource for aging and cancer biology. Aged epithelial cells exhibit epigenetic and transcriptional changes in metabolic, pro-inflammatory, or cancer-associated genes. Aged stromal cells downregulate fibroblast marker genes and upregulate markers of senescence and cancer-associated fibroblasts. Among immune cells, distinct T cell subsets (Gzmk+, memory CD4+, γδ) and M2-like macrophages expand with age. Spatial transcriptomics reveal co-localization of aged immune and epithelial cells in situ. Lastly, transcriptional signatures of aging mammary cells are found in human breast tumors, suggesting mechanistic links between aging and cancer. Together, these data uncover that epithelial, immune, and stromal cells shift in proportions and cell identity, potentially impacting cell plasticity, aged microenvironment, and neoplasia risk.
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Affiliation(s)
| | | | - Neerja Katiyar
- The Jackson Laboratory for Genomic Medicine, Farmington, CT, USA
| | - Hyeon Gu Kang
- The Jackson Laboratory for Genomic Medicine, Farmington, CT, USA
| | | | - SungHee Park
- The Jackson Laboratory for Genomic Medicine, Farmington, CT, USA
| | | | - Giray N Eryilmaz
- The Jackson Laboratory for Genomic Medicine, Farmington, CT, USA
| | - Mark A LaBarge
- Beckman Research Institute at City of Hope, Duarte, CA, USA
| | - Karolina Palucka
- The Jackson Laboratory for Genomic Medicine, Farmington, CT, USA
| | - Jeffrey H Chuang
- The Jackson Laboratory for Genomic Medicine, Farmington, CT, USA
| | | | - Duygu Ucar
- The Jackson Laboratory for Genomic Medicine, Farmington, CT, USA
- Department of Genetics and Genome Sciences, UConn Health, Farmington, CT, USA
- Institute for Systems Genomics, UConn Health, Farmington, CT, USA
| | - Olga Anczukow
- The Jackson Laboratory for Genomic Medicine, Farmington, CT, USA
- Department of Genetics and Genome Sciences, UConn Health, Farmington, CT, USA
- Institute for Systems Genomics, UConn Health, Farmington, CT, USA
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8
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Jassim A, Rahrmann EP, Simons BD, Gilbertson RJ. Cancers make their own luck: theories of cancer origins. Nat Rev Cancer 2023; 23:710-724. [PMID: 37488363 DOI: 10.1038/s41568-023-00602-5] [Citation(s) in RCA: 25] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/20/2023] [Indexed: 07/26/2023]
Abstract
Cancer has been a leading cause of death for decades. This dismal statistic has increased efforts to prevent the disease or to detect it early, when treatment is less invasive, relatively inexpensive and more likely to cure. But precisely how tissues are transformed continues to provoke controversy and debate, hindering cancer prevention and early intervention strategies. Various theories of cancer origins have emerged, including the suggestion that it is 'bad luck': the inevitable consequence of random mutations in proliferating stem cells. In this Review, we discuss the principal theories of cancer origins and the relative importance of the factors that underpin them. The body of available evidence suggests that developing and ageing tissues 'walk a tightrope', retaining adequate levels of cell plasticity to generate and maintain tissues while avoiding overstepping into transformation. Rather than viewing cancer as 'bad luck', understanding the complex choreography of cell intrinsic and extrinsic factors that characterize transformation holds promise to discover effective new ways to prevent, detect and stop cancer before it becomes incurable.
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Affiliation(s)
- Amir Jassim
- CRUK Cambridge Institute, University of Cambridge, Cambridge, UK
| | - Eric P Rahrmann
- CRUK Cambridge Institute, University of Cambridge, Cambridge, UK
| | - Ben D Simons
- Wellcome Trust-Medical Research Council Cambridge Stem Cell Institute, Jeffrey Cheah Biomedical Centre, University of Cambridge, Cambridge, UK
- Department of Applied Mathematics and Theoretical Physics, Centre for Mathematical Sciences, University of Cambridge, Cambridge, UK
| | - Richard J Gilbertson
- CRUK Cambridge Institute, University of Cambridge, Cambridge, UK.
- Department of Oncology, University of Cambridge, Cambridge, UK.
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9
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Cordero A, Santamaría PG, González-Suárez E. Rank ectopic expression in the presence of Neu and MMTV oncogenes alters mammary epithelial cell populations and their tumorigenic potential. J Mammary Gland Biol Neoplasia 2023; 28:2. [PMID: 36808257 PMCID: PMC9938814 DOI: 10.1007/s10911-023-09530-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Accepted: 01/24/2023] [Indexed: 02/21/2023] Open
Abstract
Determination of the mammary epithelial cell that serves as the cell of origin for breast cancer is key to understand tumor heterogeneity and clinical management. In this study, we aimed to decipher whether Rank expression in the presence of PyMT and Neu oncogenes might affect the cell of origin of mammary gland tumors. We observed that Rank expression in PyMT+/- and Neu+/- mammary glands alters the basal and luminal mammary cell populations already in preneoplasic tissue, which may interfere with the tumor cell of origin restricting their tumorigenesis ability upon transplantation assays. In spite of this, Rank expression eventually promotes tumor aggressiveness once tumorigenesis is established.
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Affiliation(s)
- Alex Cordero
- Oncobell, Bellvitge Biomedical Research Institute, IDIBELL, 08908, Barcelona, Spain
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, 60611, USA
| | - Patricia G Santamaría
- Molecular Oncology, Spanish National Cancer Research Centre (CNIO), 28029, Madrid, Spain
| | - Eva González-Suárez
- Oncobell, Bellvitge Biomedical Research Institute, IDIBELL, 08908, Barcelona, Spain.
- Molecular Oncology, Spanish National Cancer Research Centre (CNIO), 28029, Madrid, Spain.
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10
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Parveen N, Abourehab MA, Shukla R, Thanikachalam PV, Jain GK, Kesharwani P. Immunoliposomes as an emerging nanocarrier for breast cancer therapy. Eur Polym J 2023. [DOI: 10.1016/j.eurpolymj.2022.111781] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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11
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Lipid Metabolism Heterogeneity and Crosstalk with Mitochondria Functions Drive Breast Cancer Progression and Drug Resistance. Cancers (Basel) 2022; 14:cancers14246267. [PMID: 36551752 PMCID: PMC9776509 DOI: 10.3390/cancers14246267] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 12/13/2022] [Accepted: 12/15/2022] [Indexed: 12/24/2022] Open
Abstract
Breast cancer (BC) is a heterogeneous disease that can be triggered by genetic alterations in mammary epithelial cells, leading to diverse disease outcomes in individual patients. The metabolic heterogeneity of BC enhances its ability to adapt to changes in the tumor microenvironment and metabolic stress, but unfavorably affects the patient's therapy response, prognosis and clinical effect. Extrinsic factors from the tumor microenvironment and the intrinsic parameters of cancer cells influence their mitochondrial functions, which consequently alter their lipid metabolism and their ability to proliferate, migrate and survive in a harsh environment. The balanced interplay between mitochondria and fatty acid synthesis or fatty acid oxidation has been attributed to a combination of environmental factors and to the genetic makeup, oncogenic signaling and activities of different transcription factors. Hence, understanding the mechanisms underlying lipid metabolic heterogeneity and alterations in BC is gaining interest as a major target for drug resistance. Here we review the major recent reports on lipid metabolism heterogeneity and bring to light knowledge on the functional contribution of diverse lipid metabolic pathways to breast tumorigenesis and therapy resistance.
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12
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Hiltbrunner S, Fleischmann Z, Sokol ES, Zoche M, Felley-Bosco E, Curioni-Fontecedro A. Genomic landscape of pleural and peritoneal mesothelioma tumours. Br J Cancer 2022; 127:1997-2005. [PMID: 36138075 PMCID: PMC9681755 DOI: 10.1038/s41416-022-01979-0] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 08/25/2022] [Accepted: 08/31/2022] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND Malignant pleural and peritoneal mesotheliomas are rare malignancies with unacceptable poor prognoses and limited treatment options. The genomic landscape is mainly characterised by the loss of tumour suppressor genes and mutations in DNA repair genes. Currently, data from next-generation sequencing (NGS) of mesothelioma tumours is restricted to a limited number of cases; moreover, data comparing molecular features of mesothelioma from the pleural and peritoneal origin with NGS are lacking. METHODS We analysed 1113 pleural mesothelioma and 355 peritoneal mesothelioma samples. All tumours were sequenced with the FoundationOne® or FoundationOne®CDx assay for detection of substitutions, insertion-deletions, copy-number alterations and selected rearrangements in at least 324 cancer genes. RESULTS This analysis revealed alterations in 19 genes with an overall prevalence of at least 2%. Alterations in BAP1, CDKN2A, CDKN2B, NF2, MTAP, TP53 and SETD2 occurred with a prevalence of at least 10%. Peritoneal, compared to pleural mesothelioma, was characterised by a lower prevalence of alterations in CDKN2A, CDKN2B and MTAP. Moreover, we could define four distinct subgroups according to alterations in BAP1 and CDKN2A/B. Alterations in Hedgehog pathway-related genes (PTCH1/2 and SUFU) and Hippo pathway-related gene (NF2) as well as KRAS, EGFR, PDGFRA/B, ERBB2 and FGFR3 were detected in both cohorts. CONCLUSION Here, we report the molecular aberrations from the largest cohort of patients with mesothelioma. This analysis identified a proportion of patients with targetable alterations and suggests that molecular profiling can identify new treatment options for patients with mesothelioma.
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Affiliation(s)
- Stefanie Hiltbrunner
- grid.412004.30000 0004 0478 9977Department of Medical Oncology and Hematology, University Hospital Zurich, Zurich, Switzerland ,grid.7400.30000 0004 1937 0650University of Zurich, Zurich, Switzerland
| | - Zoe Fleischmann
- grid.418158.10000 0004 0534 4718Foundation Medicine, Cambridge, MA USA
| | - Ethan S. Sokol
- grid.418158.10000 0004 0534 4718Foundation Medicine, Cambridge, MA USA
| | - Martin Zoche
- grid.412004.30000 0004 0478 9977Pathology Department, University Hospital Zurich, 8091 Zurich, Switzerland
| | - Emanuela Felley-Bosco
- grid.7400.30000 0004 1937 0650University of Zurich, Zurich, Switzerland ,grid.412004.30000 0004 0478 9977Laboratory of Molecular Oncology, Department of Thoracic Surgery, University Hospital Zurich, Zurich, Switzerland
| | - Alessandra Curioni-Fontecedro
- Department of Medical Oncology and Hematology, University Hospital Zurich, Zurich, Switzerland. .,University of Zurich, Zurich, Switzerland.
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13
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Ingthorsson S, Traustadottir GA, Gudjonsson T. Cellular Plasticity and Heterotypic Interactions during Breast Morphogenesis and Cancer Initiation. Cancers (Basel) 2022; 14:cancers14215209. [PMID: 36358627 PMCID: PMC9654604 DOI: 10.3390/cancers14215209] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 10/19/2022] [Accepted: 10/20/2022] [Indexed: 12/01/2022] Open
Abstract
Simple Summary This review aims to discuss the structure, function and dynamics of the breast gland and how changes to the function of the breast’s cells can lead to different types of cancer. Abstract The human breast gland is a unique organ as most of its development occurs postnatally between menarche and menopause, a period ranging from 30 to 40 years. During this period, the monthly menstruation cycle drives the mammary gland through phases of cell proliferation, differentiation, and apoptosis, facilitated via a closely choreographed interaction between the epithelial cells and the surrounding stroma preparing the gland for pregnancy. If pregnancy occurs, maximal differentiation is reached to prepare for lactation. After lactation, the mammary gland involutes to a pre-pregnant state. These cycles of proliferation, differentiation, and involution necessitate the presence of epithelial stem cells that give rise to progenitor cells which differentiate further into the luminal and myoepithelial lineages that constitute the epithelial compartment and are responsible for the branching structure of the gland. Maintaining homeostasis and the stem cell niche depends strongly on signaling between the stem and progenitor cells and the surrounding stroma. Breast cancer is a slowly progressing disease whose initiation can take decades to progress into an invasive form. Accumulating evidence indicates that stem cells and/or progenitor cells at different stages, rather than terminally differentiated cells are the main cells of origin for most breast cancer subgroups. Stem cells and cancer cells share several similarities such as increased survival and cellular plasticity which is reflected in their ability to switch fate by receiving intrinsic and extrinsic signals. In this review, we discuss the concept of cellular plasticity in normal breast morphogenesis and cancer, and how the stromal environment plays a vital role in cancer initiation and progression.
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Affiliation(s)
- Saevar Ingthorsson
- Stem Cell Research Unit, Biomedical Center, School of Health Sciences, University of Iceland, 101 Reykjavik, Iceland
- Faculty of nursing and midwifery, School of Health Sciences, University of Iceland, 101 Reykjavik, Iceland
| | - Gunnhildur Asta Traustadottir
- Stem Cell Research Unit, Biomedical Center, School of Health Sciences, University of Iceland, 101 Reykjavik, Iceland
- Department of Pathology, Landspitali University Hospital, 101 Reykjavik, Iceland
| | - Thorarinn Gudjonsson
- Stem Cell Research Unit, Biomedical Center, School of Health Sciences, University of Iceland, 101 Reykjavik, Iceland
- Department of Laboratory Hematology, Landspitali University Hospital, 101 Reykjavik, Iceland
- Correspondence:
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14
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Vuorinen SI, Okolicsanyi RK, Gyimesi M, Meyjes-Brown J, Saini D, Pham SH, Griffiths LR, Haupt LM. SDC4-rs1981429 and ATM-rs228590 may provide early biomarkers of breast cancer risk. J Cancer Res Clin Oncol 2022:10.1007/s00432-022-04236-2. [PMID: 36152082 DOI: 10.1007/s00432-022-04236-2] [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: 07/01/2022] [Accepted: 07/23/2022] [Indexed: 01/20/2023]
Abstract
In Australia, 13% of women are diagnosed with breast cancer (BC) in their lifetime with approximately 20,000 women diagnosed with the disease in 2021. BC is characterised by complex histological and genomic influences with recent advances in cancer biology improving early diagnosis and personalised treatment interventions. The Phosphatidyl-inositol-3-kinase/Protein kinase B (PI3K/AKT) pathway is essential in apoptosis resistance, cell survival, activation of cellular responses to DNA damage and DNA repair. Heparan sulfate proteoglycans (HSPGs) are ubiquitous molecules found on the cell surface and in the extracellular matrix with essential functions in regulating cell survival, growth, adhesion and as mediators of cell differentiation and migration. HSPGs, particularly the syndecans (SDCs), have been linked to cancers, making them an exciting target for anticancer treatments. In the PI3K/AKT pathway, syndecan-4 (SDC4) has been shown to downregulate AKT Serine/Threonine Kinase (AKT1) gene expression, while the ATM Serine/Threonine Kinase (ATM) gene has been found to inhibit this pathway upstream of AKT. We investigated single-nucleotide polymorphisms (SNPs) in HSPG and related genes SDC4, AKT1 and ATM and their influence on the prevalence of BC. SNPs were genotyped in the Australian Caucasian Genomics Research Centre Breast Cancer (GRC-BC) population and in the Griffith University-Cancer Council Queensland Breast Cancer Biobank (GU-CCQ BB) population. We identified that SDC4-rs1981429 and ATM-rs228590 may influence the development and progression of BC, having the potential to become biomarkers in early BC diagnosis and personalised treatment.
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Affiliation(s)
- Sofia I Vuorinen
- Stem Cell and Neurogenesis Group, Genomics Research Centre, Centre for Genomics and Personalised Health, School of Biomedical Sciences, Queensland University of Technology (QUT), 60 Musk Ave, Kelvin Grove, QLD, 4059, Australia
| | - Rachel K Okolicsanyi
- Stem Cell and Neurogenesis Group, Genomics Research Centre, Centre for Genomics and Personalised Health, School of Biomedical Sciences, Queensland University of Technology (QUT), 60 Musk Ave, Kelvin Grove, QLD, 4059, Australia
| | - Martina Gyimesi
- Stem Cell and Neurogenesis Group, Genomics Research Centre, Centre for Genomics and Personalised Health, School of Biomedical Sciences, Queensland University of Technology (QUT), 60 Musk Ave, Kelvin Grove, QLD, 4059, Australia
| | - Jacob Meyjes-Brown
- Stem Cell and Neurogenesis Group, Genomics Research Centre, Centre for Genomics and Personalised Health, School of Biomedical Sciences, Queensland University of Technology (QUT), 60 Musk Ave, Kelvin Grove, QLD, 4059, Australia
| | - Deepa Saini
- Stem Cell and Neurogenesis Group, Genomics Research Centre, Centre for Genomics and Personalised Health, School of Biomedical Sciences, Queensland University of Technology (QUT), 60 Musk Ave, Kelvin Grove, QLD, 4059, Australia
| | - Son H Pham
- Stem Cell and Neurogenesis Group, Genomics Research Centre, Centre for Genomics and Personalised Health, School of Biomedical Sciences, Queensland University of Technology (QUT), 60 Musk Ave, Kelvin Grove, QLD, 4059, Australia
| | - Lyn R Griffiths
- Stem Cell and Neurogenesis Group, Genomics Research Centre, Centre for Genomics and Personalised Health, School of Biomedical Sciences, Queensland University of Technology (QUT), 60 Musk Ave, Kelvin Grove, QLD, 4059, Australia
| | - Larisa M Haupt
- Stem Cell and Neurogenesis Group, Genomics Research Centre, Centre for Genomics and Personalised Health, School of Biomedical Sciences, Queensland University of Technology (QUT), 60 Musk Ave, Kelvin Grove, QLD, 4059, Australia.
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15
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Zhang XX, Luo JH, Wu LQ. FN1 overexpression is correlated with unfavorable prognosis and immune infiltrates in breast cancer. Front Genet 2022; 13:913659. [PMID: 36035176 PMCID: PMC9417469 DOI: 10.3389/fgene.2022.913659] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 07/11/2022] [Indexed: 12/14/2022] Open
Abstract
Objective: To investigate the correlation of fibronectin 1 (FN1) expression with prognosis and tumor-infiltrating immune cells in breast cancer (BRCA). Methods: FN1 mRNA and protein expressions were analyzed through Tumor Immune Estimation Resource (TIMER), Gene Set Cancer Analysis (GSCA), Human Protein Atlas (HPA) databases, and immunohistochemical analysis. The clinicopathological characteristics and genetic factors affecting the FN1 mRNA expression were assessed by various public databases. Then, we analyzed the prognostic value of FN1 in BRCA by Kaplan-Meier plotter, receiver operating characteristic, and Cox regression analyses. Further, the UCSC Xena database was used to retrieve TCGA-BRCA expression profiles for functional enrichment analysis and immune cell infiltration analysis. The potential drugs for the BRCA patients with high- FN1 expression were identified using the connectivity map analysis. Results: FN1 was upregulated in BRCA tissues compared with normal tissues. High FN1 mRNA expression was correlated with poor clinical outcomes and had good performance in predicting the survival status of BRCA patients. Further, Cox regression analysis showed that FN1 was an independent prognostic factor for predicting the overall survival of patients with BRCA. Moreover, hypermethylation of FN1 contributed to a better prognosis for BRCA patients. Functional enrichment analyses revealed the ECM-receptor interaction pathway and focal adhesion as the common pathways. Moreover, FN1 showed a significant association with tumor-infiltrating immune cells and immune checkpoint inhibitors. Several drugs such as telmisartan, malotilate, and seocalcitol may have therapeutic effects in BRCA patients with high FN1 expression. Conclusion: FN1 might serve as a novel prognostic biomarker and a novel therapeutic target for BRCA. Besides, the association of FN1 with immune cells and immune checkpoint inhibitors may provide assistance for BRCA treatment.
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Affiliation(s)
- Xiu-Xia Zhang
- Department of Thyroid and Breast Surgery, Linping Campus, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Jun-Hua Luo
- Department of Thyroid and Breast Surgery, Linping Campus, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Li-Qiang Wu
- Department of Hematology, Zhejiang Provincial Hospital of Chinese Medicine, Hangzhou, Zhejiang, China
- *Correspondence: Li-Qiang Wu,
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16
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Beyond Genetics: Metastasis as an Adaptive Response in Breast Cancer. Int J Mol Sci 2022; 23:ijms23116271. [PMID: 35682953 PMCID: PMC9181003 DOI: 10.3390/ijms23116271] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 05/26/2022] [Accepted: 06/01/2022] [Indexed: 01/27/2023] Open
Abstract
Metastatic disease represents the primary cause of breast cancer (BC) mortality, yet it is still one of the most enigmatic processes in the biology of this tumor. Metastatic progression includes distinct phases: invasion, intravasation, hematogenous dissemination, extravasation and seeding at distant sites, micro-metastasis formation and metastatic outgrowth. Whole-genome sequencing analyses of primary BC and metastases revealed that BC metastatization is a non-genetically selected trait, rather the result of transcriptional and metabolic adaptation to the unfavorable microenvironmental conditions which cancer cells are exposed to (e.g., hypoxia, low nutrients, endoplasmic reticulum stress and chemotherapy administration). In this regard, the latest multi-omics analyses unveiled intra-tumor phenotypic heterogeneity, which determines the polyclonal nature of breast tumors and constitutes a challenge for clinicians, correlating with patient poor prognosis. The present work reviews BC classification and epidemiology, focusing on the impact of metastatic disease on patient prognosis and survival, while describing general principles and current in vitro/in vivo models of the BC metastatic cascade. The authors address here both genetic and phenotypic intrinsic heterogeneity of breast tumors, reporting the latest studies that support the role of the latter in metastatic spreading. Finally, the review illustrates the mechanisms underlying adaptive stress responses during BC metastatic progression.
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17
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Li Z, Spoelstra NS, Sikora MJ, Sams SB, Elias A, Richer JK, Lee AV, Oesterreich S. Mutual exclusivity of ESR1 and TP53 mutations in endocrine resistant metastatic breast cancer. NPJ Breast Cancer 2022; 8:62. [PMID: 35538119 PMCID: PMC9090919 DOI: 10.1038/s41523-022-00426-w] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Accepted: 03/31/2022] [Indexed: 12/12/2022] Open
Abstract
Both TP53 and ESR1 mutations occur frequently in estrogen receptor positive (ER+) metastatic breast cancers (MBC) and their distinct roles in breast cancer tumorigenesis and progression are well appreciated. Recent clinical studies discovered mutual exclusivity between TP53 and ESR1 mutations in metastatic breast cancers; however, mechanisms underlying this intriguing clinical observation remain largely understudied and unknown. Here, we explored the interplay between TP53 and ESR1 mutations using publicly available clinical and experimental data sets. We first confirmed the robust mutational exclusivity using six independent cohorts with 1,056 ER+ MBC samples and found that the exclusivity broadly applies to all ER+ breast tumors regardless of their clinical and distinct mutational features. ESR1 mutant tumors do not exhibit differential p53 pathway activity, whereas we identified attenuated ER activity and expression in TP53 mutant tumors, driven by a p53-associated E2 response gene signature. Further, 81% of these p53-associated E2 response genes are either direct targets of wild-type (WT) p53-regulated transactivation or are mutant p53-associated microRNAs, representing bimodal mechanisms of ER suppression. Lastly, we analyzed the very rare cases with co-occurrences of TP53 and ESR1 mutations and found that their simultaneous presence was also associated with reduced ER activity. In addition, tumors with dual mutations showed higher levels of total and PD-L1 positive macrophages. In summary, our study utilized multiple publicly available sources to explore the mechanism underlying the mutual exclusivity between ESR1 and TP53 mutations, providing further insights and testable hypotheses of the molecular interplay between these two pivotal genes in ER+ MBC.
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Affiliation(s)
- Zheqi Li
- Department of Pharmacology and Chemical Biology, University of Pittsburgh, Pittsburgh, PA, USA
- Women's Cancer Research Center, Magee Women's Research Institute, UPMC Hillman Cancer Center, Pittsburgh, PA, USA
| | - Nicole S Spoelstra
- Department of Pathology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Matthew J Sikora
- Department of Pathology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Sharon B Sams
- Department of Pathology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Anthony Elias
- School of Medicine, Division of Oncology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Jennifer K Richer
- Department of Pathology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Adrian V Lee
- Department of Pharmacology and Chemical Biology, University of Pittsburgh, Pittsburgh, PA, USA
- Women's Cancer Research Center, Magee Women's Research Institute, UPMC Hillman Cancer Center, Pittsburgh, PA, USA
| | - Steffi Oesterreich
- Department of Pharmacology and Chemical Biology, University of Pittsburgh, Pittsburgh, PA, USA.
- Women's Cancer Research Center, Magee Women's Research Institute, UPMC Hillman Cancer Center, Pittsburgh, PA, USA.
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18
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Werner RL, Nekritz EA, Yan KK, Ju B, Shaner B, Easton J, Yu PJ, Silva J. Single-cell analysis reveals Comma-1D as a unique cell model for mammary gland development and breast cancer. J Cell Sci 2022; 135:275228. [PMID: 35502723 DOI: 10.1242/jcs.259329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Accepted: 04/11/2022] [Indexed: 11/20/2022] Open
Abstract
The mammary epithelial tree contains two distinct populations, luminal and basal. The investigation of how this heterogeneity is developed and how it influences tumorigenesis has been hampered by the need to perform these studies using animal models. Comma-1D is an immortalized mouse mammary epithelial cell line that has unique morphogenetic properties. By performing single-cell RNA-seq studies we found that Comma-1D cultures consist of two main populations with luminal and basal features and a smaller population with mixed lineage and bipotent characteristics. We demonstrated that multiple transcription factors associated with the differentiation of the mammary epithelium in vivo also modulate this process in Comma-1D cultures. Additionally, we found that only cells with luminal features were able to acquire transformed characteristics after an oncogenic HER2 mutant was introduced in their genomes. Overall, our studies characterize at a single-cell level the heterogeneity of the Comma-1D cell line and illustrate how Comma-1D cells can be used as an experimental model to study both the differentiation and the transformation processes in vitro.
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Affiliation(s)
- Rachel L Werner
- Graduate School, Department of Pathology, Icahn School of Medicine at Mount Sinai Hospital, New York, NY, USA
| | - Erin A Nekritz
- Graduate School, Department of Pathology, Icahn School of Medicine at Mount Sinai Hospital, New York, NY, USA
| | - Koon-Kiu Yan
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Bensheng Ju
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Bridget Shaner
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - John Easton
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Partha Jiyang Yu
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Jose Silva
- Graduate School, Department of Pathology, Icahn School of Medicine at Mount Sinai Hospital, New York, NY, USA
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19
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Hadadi E, Deschoemaeker S, Vicente Venegas G, Laoui D. Heterogeneity and function of macrophages in the breast during homeostasis and cancer. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2022; 367:149-182. [PMID: 35461657 DOI: 10.1016/bs.ircmb.2022.01.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Macrophages are diverse immune cells populating all tissues and adopting a unique tissue-specific identity. Breast macrophages play an essential role in the development and function of the mammary gland over one's lifetime. In the recent years, with the development of fate-mapping, imaging and scRNA-seq technologies we grew a better understanding of the origin, heterogeneity and function of mammary macrophages in homeostasis but also during breast cancer development. Here, we aim to provide a comprehensive review of the latest improvements in studying the macrophage heterogeneity in healthy mammary tissues and breast cancer.
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Affiliation(s)
- Eva Hadadi
- Myeloid Cell Immunology Lab, VIB Center for Inflammation Research, Brussels, Belgium; Lab of Cellular and Molecular Immunology, Vrije Universiteit Brussel, Brussels, Belgium
| | - Sofie Deschoemaeker
- Myeloid Cell Immunology Lab, VIB Center for Inflammation Research, Brussels, Belgium; Lab of Cellular and Molecular Immunology, Vrije Universiteit Brussel, Brussels, Belgium
| | - Gerard Vicente Venegas
- Myeloid Cell Immunology Lab, VIB Center for Inflammation Research, Brussels, Belgium; Lab of Cellular and Molecular Immunology, Vrije Universiteit Brussel, Brussels, Belgium
| | - Damya Laoui
- Myeloid Cell Immunology Lab, VIB Center for Inflammation Research, Brussels, Belgium; Lab of Cellular and Molecular Immunology, Vrije Universiteit Brussel, Brussels, Belgium.
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20
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Ma R, Gong D, You H, Xu C, Lu Y, Bergers G, Werb Z, Klein OD, Petritsch CK, Lu P. LGL1 binds to Integrin β1 and inhibits downstream signaling to promote epithelial branching in the mammary gland. Cell Rep 2022; 38:110375. [PMID: 35172155 PMCID: PMC9113222 DOI: 10.1016/j.celrep.2022.110375] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 10/08/2021] [Accepted: 01/20/2022] [Indexed: 11/29/2022] Open
Abstract
Branching morphogenesis is a fundamental process by which organs in invertebrates and vertebrates form branches to expand their surface areas. The current dogma holds that directional cell migration determines where a new branch forms and thus patterns branching. Here, we asked whether mouse Lgl1, a homolog of the Drosophila tumor suppressor Lgl, regulates epithelial polarity in the mammary gland. Surprisingly, mammary glands lacking Lgl1 have normal epithelial polarity, but they form fewer branches. Moreover, we find that Lgl1 null epithelium is unable to directionally migrate, suggesting that migration is not essential for mammary epithelial branching as expected. We show that LGL1 binds to Integrin β1 and inhibits its downstream signaling, and Integrin β1 overexpression blocks epithelial migration, thus recapitulating the Lgl1 null phenotype. Altogether, we demonstrate that Lgl1 modulation of Integrin β1 signaling is essential for directional migration and that epithelial branching in invertebrates and the mammary gland is fundamentally distinct. Ma et al. show that Lgl1 is essential for mammary gland branching morphogenesis but not epithelial polarity. Lgl1 is required for directional migration by regulating Integrin β1 signaling levels and focal adhesion strengths. Finally, branching mechanisms are distinct between mammary gland and Drosophila systems where directional migration is indispensable.
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Affiliation(s)
- Rongze Ma
- School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Difei Gong
- School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Huanyang You
- School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Chongshen Xu
- School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Yunzhe Lu
- School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Gabriele Bergers
- VIB-KU Leuven Center for Cancer Biology, Department of Oncology, KU Leuven, 3000 Leuven, Belgium
| | - Zena Werb
- Department of Anatomy and Program in Developmental and Stem Cell Biology, University of California, San Francisco, San Francisco, CA 94143-0452, USA
| | - Ophir D Klein
- Department of Orofacial Sciences and Program in Craniofacial Biology, University of California, San Francisco, UCSF Box 0422, 513 Parnassus Avenue, HSE1508, San Francisco, CA 94143-0422, USA
| | - Claudia K Petritsch
- Department of Neurological Surgery, Stanford University, Palo Alto, CA 94305, USA
| | - Pengfei Lu
- School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China.
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21
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Lu Y, Zhou T, Xu C, Wang R, Feng D, Li J, Wang X, Kong Y, Hu G, Kong X, Lu P. Occludin is a target of Src kinase and promotes lipid secretion by binding to BTN1a1 and XOR. PLoS Biol 2022; 20:e3001518. [PMID: 35041644 PMCID: PMC8797263 DOI: 10.1371/journal.pbio.3001518] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 01/28/2022] [Accepted: 12/19/2021] [Indexed: 11/29/2022] Open
Abstract
Lipid droplets (LDs) have increasingly been recognized as an essential organelle for eukaryotes. Although the biochemistry of lipid synthesis and degradation is well characterized, the regulation of LD dynamics, including its formation, maintenance, and secretion, is poorly understood. Here, we report that mice lacking Occludin (Ocln) show defective lipid metabolism. We show that LDs were larger than normal along its biogenesis and secretion pathway in Ocln null mammary cells. This defect in LD size control did not result from abnormal lipid synthesis or degradation; rather, it was because of secretion failure during the lactation stage. We found that OCLN was located on the LD membrane and was bound to essential regulators of lipid secretion, including BTN1a1 and XOR, in a C-terminus–dependent manner. Finally, OCLN was a phosphorylation target of Src kinase, whose loss causes lactation failure. Together, we demonstrate that Ocln is a downstream target of Src kinase and promotes LD secretion by binding to BTN1a1 and XOR. Lipid droplets are an essential eukaryotic organelle, but how they are secreted has remained unclear. This study shows that the tight junction protein Occludin is a phosphorylation target of Src kinase; Occludin binds to BTN1A1 and XOR to facilitate lipid droplet secretion in mammary epithelial cells.
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Affiliation(s)
- Yunzhe Lu
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China
| | - Tao Zhou
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Chongshen Xu
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Rui Wang
- Molecular Imaging Core Facility, School of Life Science and Technology, ShanghaiTech University, Shanghai, China
| | - Deyi Feng
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China
| | - Jiyong Li
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China
| | - Xu Wang
- Institute of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai, China
| | - Yu Kong
- Institute of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai, China
| | - Guohong Hu
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Xiangyin Kong
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Pengfei Lu
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China
- * E-mail:
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22
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Najafipour R, Momeni AM, Mirmazloomi Y, Moghbelinejad S. Vitexin Induces Apoptosis in MCF-7 Breast Cancer Cells through the Regulation of Specific miRNAs Expression. INTERNATIONAL JOURNAL OF MOLECULAR AND CELLULAR MEDICINE 2022; 11:197-206. [PMID: 37605736 PMCID: PMC10440000 DOI: 10.22088/ijmcm.bums.11.3.197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Revised: 07/03/2023] [Accepted: 07/09/2023] [Indexed: 08/23/2023]
Abstract
In this research, we investigated microRNAs (miRNAs) expression profile in MCF-7 breast cancer cell line which treated with 150 µM vitexin. Profiling of miRNAs expression was performed using TaqMan MiRNA Array. Apoptosis was analyzed by flow cytometry and the expression of some genes involved in "anti-proliferative" signaling pathways were evaluated by western blotting and real time PCR methods. Twenty microRNAs were differentially expressed in vitexin treated cells compared to the control. Among them, let-7- b, c were up regulated while miRNA-17-5p was down regulated with highest score. Also, we detected the expression changes of mentioned miRNAs target genes as well as genes involved in caspase apoptosis pathways. Our results provide the first evidence that vitexin can effect miRNA expression in MCF-7 cells. Also based on our finding, vitexin can be an attractive miRNA mediated chemo preventive and therapeutic agent in breast cancer.
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Affiliation(s)
- Reza Najafipour
- Genetics Research Center, University of Social Welfare and Rehabilitation Science, Tehran, Iran.
| | | | - Yousef Mirmazloomi
- School of Medicine, Qazvin University of Medical Sciences, Shahid Bahonar Boulevard, Qazvin, Iran.
| | - Sahar Moghbelinejad
- Research Institute for Prevention of Non-Communicable Diseases, Cellular and Molecular Research Centre, Qazvin University of Medical Sciences, Shahid Bahonar Boulevard, Qazvin, Iran.
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23
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Faraldo MM, Glukhova MA, Deugnier MA. Orthotopic Transplantation of Mouse Mammary Epithelial Cells. Methods Mol Biol 2022; 2471:123-139. [PMID: 35175594 DOI: 10.1007/978-1-0716-2193-6_6] [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] [Indexed: 06/14/2023]
Abstract
The orthotopic transplantation assay has provided important insights into mammary development, stem cell function, and tumorigenesis. Technically, it consists in grafting mammary tissue fragments, organoids, mammospheres, or isolated cells into the fat pads of prepubertal mice from which the endogenous epithelium has been surgically removed, thereby allowing growth and differentiation of mammary epithelial cells in their physiological environment. Here, we describe how is conducted transplantation of epithelial fragments and cells isolated from mouse mammary glands, report the various approaches currently used to evaluate the regeneration and self-renewal properties of mammary stem cells, and highlight the strengths and limitations of this in vivo grafting assay.
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Affiliation(s)
- Marisa M Faraldo
- Institut Curie, PSL Research University, CNRS UMR3215/INSERM U934, Paris, France.
| | - Marina A Glukhova
- Institut Curie, PSL Research University, CNRS, UMR144, Paris, France
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24
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A molecular taxonomy of tumors independent of tissue-of-origin. iScience 2021; 24:103084. [PMID: 34611608 PMCID: PMC8477189 DOI: 10.1016/j.isci.2021.103084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 07/06/2021] [Accepted: 08/30/2021] [Indexed: 11/24/2022] Open
Abstract
Cancer is an organism-level disease, impacting processes from cellular metabolism and the microenvironment to systemic immune response. Nevertheless, efforts to distinguish overarching mutational processes from interactions with the cell of origin for a tumor have seen limited success, presenting a barrier to individualized medicine. Here we present a pathway-centric approach, extracting somatic mutational profiles within and between tissues, largely orthogonal to cell of origin, mutational burden, or stage. Known predisposition variants are equally distributed among clusters, and largely independent of molecular subtype. Prognosis and risk of death vary jointly by cancer type and cluster. Analysis of metastatic tumors reveals that differences are largely cluster-specific and complementary, implicating convergent mechanisms that combine familiar driver genes with diverse low-frequency lesions in tumor-promoting pathways, ultimately producing distinct molecular phenotypes. The results shed new light on the interplay between organism-level dysfunction and tissue-specific lesions. Pathway-based clustering is applied to reclassify tumors using somatic mutations Clusters represent distinct molecular features that cut across tissue-of-origin Risk of death is modelled using tissue origin and cluster membership
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25
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Petri BJ, Piell KM, South Whitt GC, Wilt AE, Poulton CC, Lehman NL, Clem BF, Nystoriak MA, Wysoczynski M, Klinge CM. HNRNPA2B1 regulates tamoxifen- and fulvestrant-sensitivity and hallmarks of endocrine resistance in breast cancer cells. Cancer Lett 2021; 518:152-168. [PMID: 34273466 PMCID: PMC8358706 DOI: 10.1016/j.canlet.2021.07.015] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 07/07/2021] [Accepted: 07/12/2021] [Indexed: 12/31/2022]
Abstract
Despite new combination therapies improving survival of breast cancer patients with estrogen receptor α (ER+) tumors, the molecular mechanisms for endocrine-resistant disease remain unresolved. Previously we demonstrated that expression of the RNA binding protein and N6-methyladenosine (m6A) reader HNRNPA2B1 (A2B1) is higher in LCC9 and LY2 tamoxifen (TAM)-resistant ERα breast cancer cells relative to parental TAM-sensitive MCF-7 cells. Here we report that A2B1 protein expression is higher in breast tumors than paired normal breast tissue. Modest stable overexpression of A2B1 in MCF-7 cells (MCF-7-A2B1 cells) resulted in TAM- and fulvestrant- resistance whereas knockdown of A2B1 in LCC9 and LY2 cells restored TAM and fulvestrant, endocrine-sensitivity. MCF-7-A2B1 cells gained hallmarks of TAM-resistant metastatic behavior: increased migration and invasion, clonogenicity, and soft agar colony size, which were attenuated by A2B1 knockdown in MCF-7-A2B1 and the TAM-resistant LCC9 and LY2 cells. MCF-7-A2B1, LCC9, and LY2 cells have a higher proportion of CD44+/CD24-/low cancer stem cells (CSC) compared to MCF-7 cells. MCF-7-A2B1 cells have increased ERα and reduced miR-222-3p that targets ERα. Like LCC9 cells, MCF-7-A2B1 have activated AKT and MAPK that depend on A2B1 expression and are growth inhibited by inhibitors of these pathways. These data support that targeting A2B1 could provide a complimentary therapeutic approach to reduce acquired endocrine resistance.
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Affiliation(s)
- Belinda J Petri
- Department of Biochemistry and Molecular Genetics, University of Louisville School of Medicine, Louisville, KY, 40292, USA
| | - Kellianne M Piell
- Department of Biochemistry and Molecular Genetics, University of Louisville School of Medicine, Louisville, KY, 40292, USA
| | - Gordon C South Whitt
- Department of Biochemistry and Molecular Genetics, University of Louisville School of Medicine, Louisville, KY, 40292, USA
| | - Ali E Wilt
- Department of Biochemistry and Molecular Genetics, University of Louisville School of Medicine, Louisville, KY, 40292, USA
| | - Claire C Poulton
- Department of Biochemistry and Molecular Genetics, University of Louisville School of Medicine, Louisville, KY, 40292, USA
| | - Norman L Lehman
- Department of Pathology and Laboratory Medicine, University of Louisville School of Medicine, Louisville, KY, 40292, USA
| | - Brian F Clem
- Department of Biochemistry and Molecular Genetics, University of Louisville School of Medicine, Louisville, KY, 40292, USA
| | - Matthew A Nystoriak
- Department of Medicine, University of Louisville School of Medicine, Louisville, KY, 40292, USA
| | - Marcin Wysoczynski
- Department of Medicine, University of Louisville School of Medicine, Louisville, KY, 40292, USA
| | - Carolyn M Klinge
- Department of Biochemistry and Molecular Genetics, University of Louisville School of Medicine, Louisville, KY, 40292, USA.
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26
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Wolf J, Dong C, O'Day EM. Metabolite Biomarkers of Response (BoRs): Towards a fingerprint for the evolution of metastatic breast cancer. PROGRESS IN BIOPHYSICS AND MOLECULAR BIOLOGY 2021; 165:8-18. [PMID: 34419530 DOI: 10.1016/j.pbiomolbio.2021.08.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 08/02/2021] [Accepted: 08/09/2021] [Indexed: 06/13/2023]
Abstract
Breast cancer is the most common cancer in women worldwide and despite improved treatment strategies, it persists as the second leading cause of death of women globally. Overall prognosis drops drastically once the cancer has metastasized, which is also associated with resistance to therapy. The evolution from a localized breast cancer to metastatic disease is complex and multifactorial. Metabolic reprogramming is a pre-requisite for this transition. In this graphical review, we provide an overview of altered metabolic pathways observed in metastatic breast cancer (mBC) and detail how metabolite biomarkers could serve as a novel class of precision medicine tools to improve the diagnosis, monitoring, and treatment of mBC.
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Affiliation(s)
| | - Chen Dong
- Olaris, Inc, Waltham, MA, 02451, USA
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27
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Abstract
Somatic stem cells are distinguished by their capacity to regenerate themselves and also to produce daughter cells that will differentiate. Self-renewal is achieved through the process of asymmetric cell division which helps to sustain tissue morphogenesis as well as maintain homeostasis. Asymmetric cell division results in the development of two daughter cells with different fates after a single mitosis. Only one daughter cell maintains "stemness" while the other differentiates and achieves a non-stem cell fate. Stem cells also have the capacity to undergo symmetric division of cells that results in the development of two daughter cells which are identical. Symmetric division results in the expansion of the stem cell population. Imbalances and deregulations in these processes can result in diseases such as cancer. Adult mammary stem cells (MaSCs) are a group of cells that play a critical role in the expansion of the mammary gland during puberty and any subsequent pregnancies. Furthermore, given the relatively long lifespans and their capability to undergo self-renewal, adult stem cells have been suggested as ideal candidates for transformation events that lead to the development of cancer. With the possibility that MaSCs can act as the source cells for distinct breast cancer types; understanding their regulation is an important field of research. In this review, we discuss asymmetric cell division in breast/mammary stem cells and implications on further research. We focus on the background history of asymmetric cell division, asymmetric cell division monitoring techniques, identified molecular mechanisms of asymmetric stem cell division, and the role asymmetric cell division may play in breast cancer.
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Affiliation(s)
| | - Brian W Booth
- Department of Bioengineering, Head-Cellular Engineering Laboratory, 401-1 Rhodes Engineering Research Center, Clemson University, Clemson, SC, 29634, USA.
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28
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Neagu AN, Whitham D, Buonanno E, Jenkins A, Alexa-Stratulat T, Tamba BI, Darie CC. Proteomics and its applications in breast cancer. Am J Cancer Res 2021; 11:4006-4049. [PMID: 34659875 PMCID: PMC8493401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Accepted: 07/05/2021] [Indexed: 06/13/2023] Open
Abstract
Breast cancer is an individually unique, multi-faceted and chameleonic disease, an eternal challenge for the new era of high-integrated precision diagnostic and personalized oncomedicine. Besides traditional single-omics fields (such as genomics, epigenomics, transcriptomics and metabolomics) and multi-omics contributions (proteogenomics, proteotranscriptomics or reproductomics), several new "-omics" approaches and exciting proteomics subfields are contributing to basic and advanced understanding of these "multiple diseases termed breast cancer": phenomics/cellomics, connectomics and interactomics, secretomics, matrisomics, exosomics, angiomics, chaperomics and epichaperomics, phosphoproteomics, ubiquitinomics, metalloproteomics, terminomics, degradomics and metadegradomics, adhesomics, stressomics, microbiomics, immunomics, salivaomics, materiomics and other biomics. Throughout the extremely complex neoplastic process, a Breast Cancer Cell Continuum Concept (BCCCC) has been modeled in this review as a spatio-temporal and holistic approach, as long as the breast cancer represents a complex cascade comprising successively integrated populations of heterogeneous tumor and cancer-associated cells, that reflect the carcinoma's progression from a "driving mutation" and formation of the breast primary tumor, toward the distant secondary tumors in different tissues and organs, via circulating tumor cell populations. This BCCCC is widely sustained by a Breast Cancer Proteomic Continuum Concept (BCPCC), where each phenotype of neoplastic and tumor-associated cells is characterized by a changing and adaptive proteomic profile detected in solid and liquid minimal invasive biopsies by complex proteomics approaches. Such a profile is created, beginning with the proteomic landscape of different neoplastic cell populations and cancer-associated cells, followed by subsequent analysis of protein biomarkers involved in epithelial-mesenchymal transition and intravasation, circulating tumor cell proteomics, and, finally, by protein biomarkers that highlight the extravasation and distant metastatic invasion. Proteomics technologies are producing important data in breast cancer diagnostic, prognostic, and predictive biomarkers discovery and validation, are detecting genetic aberrations at the proteome level, describing functional and regulatory pathways and emphasizing specific protein and peptide profiles in human tissues, biological fluids, cell lines and animal models. Also, proteomics can identify different breast cancer subtypes and specific protein and proteoform expression, can assess the efficacy of cancer therapies at cellular and tissular level and can even identify new therapeutic target proteins in clinical studies.
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Affiliation(s)
- Anca-Narcisa Neagu
- Biochemistry & Proteomics Group, Department of Chemistry and Biomolecular Science, Clarkson UniversityPotsdam, NY 13699-5810, USA
- Laboratory of Animal Histology, Faculty of Biology, “Alexandru Ioan Cuza” University of IașiCarol I bvd. No. 22, Iași 700505, Romania
| | - Danielle Whitham
- Biochemistry & Proteomics Group, Department of Chemistry and Biomolecular Science, Clarkson UniversityPotsdam, NY 13699-5810, USA
| | - Emma Buonanno
- Biochemistry & Proteomics Group, Department of Chemistry and Biomolecular Science, Clarkson UniversityPotsdam, NY 13699-5810, USA
| | - Avalon Jenkins
- Biochemistry & Proteomics Group, Department of Chemistry and Biomolecular Science, Clarkson UniversityPotsdam, NY 13699-5810, USA
| | - Teodora Alexa-Stratulat
- Department of Medical Oncology-Radiotherapy, “Grigore T. Popa” University of Medicine and PharmacyIndependenței bvd. No. 16-18, Iași 700021, Romania
| | - Bogdan Ionel Tamba
- Advanced Center for Research and Development in Experimental Medicine (CEMEX), “Grigore T. Popa” University of Medicine and PharmacyMihail Kogălniceanu Street No. 9-13, Iași 700454, Romania
| | - Costel C Darie
- Biochemistry & Proteomics Group, Department of Chemistry and Biomolecular Science, Clarkson UniversityPotsdam, NY 13699-5810, USA
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29
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Rusidzé M, Adlanmérini M, Chantalat E, Raymond-Letron I, Cayre S, Arnal JF, Deugnier MA, Lenfant F. Estrogen receptor-α signaling in post-natal mammary development and breast cancers. Cell Mol Life Sci 2021; 78:5681-5705. [PMID: 34156490 PMCID: PMC8316234 DOI: 10.1007/s00018-021-03860-4] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 05/12/2021] [Accepted: 05/19/2021] [Indexed: 12/16/2022]
Abstract
17β-estradiol controls post-natal mammary gland development and exerts its effects through Estrogen Receptor ERα, a member of the nuclear receptor family. ERα is also critical for breast cancer progression and remains a central therapeutic target for hormone-dependent breast cancers. In this review, we summarize the current understanding of the complex ERα signaling pathways that involve either classical nuclear “genomic” or membrane “non-genomic” actions and regulate in concert with other hormones the different stages of mammary development. We describe the cellular and molecular features of the luminal cell lineage expressing ERα and provide an overview of the transgenic mouse models impacting ERα signaling, highlighting the pivotal role of ERα in mammary gland morphogenesis and function and its implication in the tumorigenic processes. Finally, we describe the main features of the ERα-positive luminal breast cancers and their modeling in mice.
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Affiliation(s)
- Mariam Rusidzé
- INSERM U1297, Institut Des Maladies Métaboliques et Cardiovasculaires, Université de Toulouse - UPS, CHU, Toulouse, France
| | - Marine Adlanmérini
- INSERM U1297, Institut Des Maladies Métaboliques et Cardiovasculaires, Université de Toulouse - UPS, CHU, Toulouse, France
| | - Elodie Chantalat
- INSERM U1297, Institut Des Maladies Métaboliques et Cardiovasculaires, Université de Toulouse - UPS, CHU, Toulouse, France
| | - I Raymond-Letron
- LabHPEC et Institut RESTORE, Université de Toulouse, CNRS U-5070, EFS, ENVT, Inserm U1301, Toulouse, France
| | - Surya Cayre
- Department of Cell Biology and Cancer, Institut Curie, PSL Research University, Sorbonne University, CNRS UMR144, Paris, France
| | - Jean-François Arnal
- INSERM U1297, Institut Des Maladies Métaboliques et Cardiovasculaires, Université de Toulouse - UPS, CHU, Toulouse, France
| | - Marie-Ange Deugnier
- Department of Cell Biology and Cancer, Institut Curie, PSL Research University, Sorbonne University, CNRS UMR144, Paris, France
| | - Françoise Lenfant
- INSERM U1297, Institut Des Maladies Métaboliques et Cardiovasculaires, Université de Toulouse - UPS, CHU, Toulouse, France.
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30
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Niklaus NJ, Tokarchuk I, Zbinden M, Schläfli AM, Maycotte P, Tschan MP. The Multifaceted Functions of Autophagy in Breast Cancer Development and Treatment. Cells 2021; 10:cells10061447. [PMID: 34207792 PMCID: PMC8229352 DOI: 10.3390/cells10061447] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 06/04/2021] [Accepted: 06/04/2021] [Indexed: 12/12/2022] Open
Abstract
Macroautophagy (herein referred to as autophagy) is a complex catabolic process characterized by the formation of double-membrane vesicles called autophagosomes. During this process, autophagosomes engulf and deliver their intracellular content to lysosomes, where they are degraded by hydrolytic enzymes. Thereby, autophagy provides energy and building blocks to maintain cellular homeostasis and represents a dynamic recycling mechanism. Importantly, the clearance of damaged organelles and aggregated molecules by autophagy in normal cells contributes to cancer prevention. Therefore, the dysfunction of autophagy has a major impact on the cell fate and can contribute to tumorigenesis. Breast cancer is the most common cancer in women and has the highest mortality rate among all cancers in women worldwide. Breast cancer patients often have a good short-term prognosis, but long-term survivors often experience aggressive recurrence. This phenomenon might be explained by the high heterogeneity of breast cancer tumors rendering mammary tumors difficult to target. This review focuses on the mechanisms of autophagy during breast carcinogenesis and sheds light on the role of autophagy in the traits of aggressive breast cancer cells such as migration, invasion, and therapeutic resistance.
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Affiliation(s)
- Nicolas J. Niklaus
- Institute of Pathology, University of Bern, CH-3008 Bern, Switzerland; (N.J.N.); (I.T.); (M.Z.); (A.M.S.)
- Graduate School for Cellular and Biomedical Sciences, University of Bern, CH-3012 Bern, Switzerland
| | - Igor Tokarchuk
- Institute of Pathology, University of Bern, CH-3008 Bern, Switzerland; (N.J.N.); (I.T.); (M.Z.); (A.M.S.)
- Graduate School for Cellular and Biomedical Sciences, University of Bern, CH-3012 Bern, Switzerland
| | - Mara Zbinden
- Institute of Pathology, University of Bern, CH-3008 Bern, Switzerland; (N.J.N.); (I.T.); (M.Z.); (A.M.S.)
| | - Anna M. Schläfli
- Institute of Pathology, University of Bern, CH-3008 Bern, Switzerland; (N.J.N.); (I.T.); (M.Z.); (A.M.S.)
| | - Paola Maycotte
- Centro de Investigación Biomédica de Oriente (CIBIOR), Instituto Mexicano del Seguro Social (IMSS), Puebla 74360, Mexico;
| | - Mario P. Tschan
- Institute of Pathology, University of Bern, CH-3008 Bern, Switzerland; (N.J.N.); (I.T.); (M.Z.); (A.M.S.)
- Graduate School for Cellular and Biomedical Sciences, University of Bern, CH-3012 Bern, Switzerland
- Correspondence: ; Tel.: +41-31-632-87-80
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31
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Abstract
Overcoming the challenges of understanding and treating cancer requires reliable patient-derived models of cancer (PDMCs). For decades, cancer research and therapeutic development relied primarily on cancer cell lines because of their prevalence, reproducibility, and simplicity to maintain. However, findings from research conducted in cell lines are rarely recapitulated in vivo and seldom directly translatable to patients. The tumor microenvironment (TME), tumor-stromal interactions, and associations with host immune cells produce profound changes in tumor phenotype and complexity not captured in traditional monolayer cell culture. In this chapter, we present various cancer explant models and discuss their applicability based on specific research aims. We discuss the appropriateness of these models for basic science questions, drug screening/development, and for personalized, precision medicine. We also consider logistical factors such as resource cost, technical difficulty, and accessibility. We finish this chapter with a practical guide intended to help the reader select the cancer explant model system(s) that best address their research aims.
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El Tekle G, Bernasocchi T, Unni AM, Bertoni F, Rossi D, Rubin MA, Theurillat JP. Co-occurrence and mutual exclusivity: what cross-cancer mutation patterns can tell us. Trends Cancer 2021; 7:823-836. [PMID: 34031014 DOI: 10.1016/j.trecan.2021.04.009] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 04/25/2021] [Accepted: 04/30/2021] [Indexed: 12/19/2022]
Abstract
Cancer is the dysregulated proliferation of cells caused by acquired mutations in key driver genes. The most frequently mutated driver genes promote tumorigenesis in various organisms, cell types, and genetic backgrounds. However, recent cancer genomics studies also point to the existence of context-dependent driver gene functions, where specific mutations occur predominately or even exclusively in certain tumor types or genetic backgrounds. Here, we review examples of co-occurring and mutually exclusive driver gene mutation patterns across cancer genomes and discuss their underlying biology. While co-occurring driver genes typically activate collaborating oncogenic pathways, we identify two distinct biological categories of incompatibilities among the mutually exclusive driver genes depending on whether the mutated drivers trigger the same or divergent tumorigenic pathways. Finally, we discuss possible therapeutic avenues emerging from the study of incompatible driver gene mutations.
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Affiliation(s)
- Geniver El Tekle
- Institute of Oncology Research, Faculty of Biomedical Sciences, Università della Svizzera Italiana, Bellinzona, TI 6500, Switzerland
| | - Tiziano Bernasocchi
- Institute of Oncology Research, Faculty of Biomedical Sciences, Università della Svizzera Italiana, Bellinzona, TI 6500, Switzerland
| | - Arun M Unni
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10065, USA
| | - Francesco Bertoni
- Institute of Oncology Research, Faculty of Biomedical Sciences, Università della Svizzera Italiana, Bellinzona, TI 6500, Switzerland
| | - Davide Rossi
- Institute of Oncology Research, Faculty of Biomedical Sciences, Università della Svizzera Italiana, Bellinzona, TI 6500, Switzerland; Oncology Institute of Southern Switzerland, Bellinzona, TI 6500, Switzerland
| | - Mark A Rubin
- Department for BioMedical Research, Precision Oncology Laboratory, University of Bern, Bern, Switzerland; Bern Center for Precision Medicine, University of Bern and Inselspital, Bern, Switzerland
| | - Jean-Philippe Theurillat
- Institute of Oncology Research, Faculty of Biomedical Sciences, Università della Svizzera Italiana, Bellinzona, TI 6500, Switzerland.
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Barkovskaya A, Goodwin CM, Seip K, Hilmarsdottir B, Pettersen S, Stalnecker C, Engebraaten O, Briem E, Der CJ, Moestue SA, Gudjonsson T, Maelandsmo GM, Prasmickaite L. Detection of phenotype-specific therapeutic vulnerabilities in breast cells using a CRISPR loss-of-function screen. Mol Oncol 2021; 15:2026-2045. [PMID: 33759347 PMCID: PMC8333781 DOI: 10.1002/1878-0261.12951] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2020] [Revised: 02/18/2021] [Accepted: 03/19/2021] [Indexed: 12/09/2022] Open
Abstract
Cellular phenotype plasticity between the epithelial and mesenchymal states has been linked to metastasis and heterogeneous responses to cancer therapy, and remains a challenge for the treatment of triple-negative breast cancer (TNBC). Here, we used isogenic human breast epithelial cell lines, D492 and D492M, representing the epithelial and mesenchymal phenotypes, respectively. We employed a CRISPR-Cas9 loss-of-function screen targeting a 2240-gene 'druggable genome' to identify phenotype-specific vulnerabilities. Cells with the epithelial phenotype were more vulnerable to the loss of genes related to EGFR-RAS-MAPK signaling, while the mesenchymal-like cells had increased sensitivity to knockout of G2 -M cell cycle regulators. Furthermore, we discovered knockouts that sensitize to the mTOR inhibitor everolimus and the chemotherapeutic drug fluorouracil in a phenotype-specific manner. Specifically, loss of EGFR and fatty acid synthase (FASN) increased the effectiveness of the drugs in the epithelial and mesenchymal phenotypes, respectively. These phenotype-associated genetic vulnerabilities were confirmed using targeted inhibitors of EGFR (gefitinib), G2 -M transition (STLC), and FASN (Fasnall). In conclusion, a CRISPR-Cas9 loss-of-function screen enables the identification of phenotype-specific genetic vulnerabilities that can pinpoint actionable targets and promising therapeutic combinations.
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Affiliation(s)
- Anna Barkovskaya
- Department of Tumor Biology, Institute for Cancer Research, Oslo University Hospital, The Norwegian Radium Hospital, Oslo, Norway.,Department of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, Norway
| | - Craig M Goodwin
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, NC, USA
| | - Kotryna Seip
- Department of Tumor Biology, Institute for Cancer Research, Oslo University Hospital, The Norwegian Radium Hospital, Oslo, Norway
| | - Bylgja Hilmarsdottir
- Department of Tumor Biology, Institute for Cancer Research, Oslo University Hospital, The Norwegian Radium Hospital, Oslo, Norway.,Biomedical Center, School of Health Sciences, University of Iceland, Reykjavik, Iceland.,Department of Pathology, Landspitali University Hospital, Reykjavik, Iceland
| | - Solveig Pettersen
- Department of Tumor Biology, Institute for Cancer Research, Oslo University Hospital, The Norwegian Radium Hospital, Oslo, Norway
| | - Clint Stalnecker
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, NC, USA
| | - Olav Engebraaten
- Department of Tumor Biology, Institute for Cancer Research, Oslo University Hospital, The Norwegian Radium Hospital, Oslo, Norway.,Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Norway.,Department of Oncology, Oslo University Hospital, Norway
| | - Eirikur Briem
- Biomedical Center, School of Health Sciences, University of Iceland, Reykjavik, Iceland.,Department of Genetics and Molecular Medicine, Landspitali University Hospital, Reykjavik, Iceland
| | - Channing J Der
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, NC, USA
| | - Siver A Moestue
- Department of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, Norway.,Department of Health Sciences, Nord University, Bodø, Norway
| | - Thorarinn Gudjonsson
- Biomedical Center, School of Health Sciences, University of Iceland, Reykjavik, Iceland.,Department of Laboratory Hematology, Landspitali University Hospital, Reykjavik, Iceland
| | - Gunhild M Maelandsmo
- Department of Tumor Biology, Institute for Cancer Research, Oslo University Hospital, The Norwegian Radium Hospital, Oslo, Norway.,Faculty of Health Sciences, Institute of Medical Biology, The Arctic University of Norway - University of Tromsø, Norway
| | - Lina Prasmickaite
- Department of Tumor Biology, Institute for Cancer Research, Oslo University Hospital, The Norwegian Radium Hospital, Oslo, Norway
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The analog of cGAMP, c-di-AMP, activates STING mediated cell death pathway in estrogen-receptor negative breast cancer cells. Apoptosis 2021; 26:293-306. [PMID: 33840002 DOI: 10.1007/s10495-021-01669-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/30/2021] [Indexed: 12/14/2022]
Abstract
Immune adaptor protein like STING/MITA regulate innate immune response and plays a critical role in inflammation in the tumor microenvironment and regulation of metastasis including breast cancer. Chromosomal instability in highly metastatic cells releases fragmented chromosomal parts in the cytoplasm, hence the activation of STING via an increased level of cyclic dinucleotides (cDNs) synthesized by cGMP-AMP synthase (cGAS). Cyclic dinucleotides 2' 3'-cGAMP and it's analog can potentially activate STING mediated pathways leading to nuclear translocation of p65 and IRF-3 and transcription of inflammatory genes. The differential modulation of STING pathway via 2' 3'-cGAMP and its analog and its implication in breast tumorigenesis is still not well explored. In the current study, we demonstrated that c-di-AMP can activate type-1 IFN response in ER negative breast cancer cell lines which correlate with STING expression. c-di-AMP binds to STING and activates downstream IFN pathways in STING positive metastatic MDA-MB-231/MX-1 cells. Prolonged treatment of c-di-AMP induces cell death in STING positive metastatic MDA-MB-231/MX-1 cells mediated by IRF-3. c-di-AMP induces IRF-3 translocation to mitochondria and initiates Caspase-9 mediated cell death and inhibits clonogenicity of triple-negative breast cancer cells. This study suggests that c-di-AMP can activate and modulates STING pathway to induce mitochondrial mediated apoptosis in estrogen-receptor negative breast cancer cells.
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Iron-Bound Lipocalin-2 from Tumor-Associated Macrophages Drives Breast Cancer Progression Independent of Ferroportin. Metabolites 2021; 11:metabo11030180. [PMID: 33808732 PMCID: PMC8003561 DOI: 10.3390/metabo11030180] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Revised: 03/12/2021] [Accepted: 03/16/2021] [Indexed: 01/12/2023] Open
Abstract
Macrophages supply iron to the breast tumor microenvironment by enforced secretion of lipocalin-2 (Lcn-2)-bound iron as well as the increased expression of the iron exporter ferroportin (FPN). We aimed at identifying the contribution of each pathway in supplying iron for the growing tumor, thereby fostering tumor progression. Analyzing the expression profiles of Lcn-2 and FPN using the spontaneous polyoma-middle-T oncogene (PyMT) breast cancer model as well as mining publicly available TCGA (The Cancer Genome Atlas) and GEO Series(GSE) datasets from the Gene Expression Omnibus database (GEO), we found no association between tumor parameters and Lcn-2 or FPN. However, stromal/macrophage-expression of Lcn-2 correlated with tumor onset, lung metastases, and recurrence, whereas FPN did not. While the total iron amount in wildtype and Lcn-2-/- PyMT tumors showed no difference, we observed that tumor-associated macrophages from Lcn-2-/- compared to wildtype tumors stored more iron. In contrast, Lcn-2-/- tumor cells accumulated less iron than their wildtype counterparts, translating into a low migratory and proliferative capacity of Lcn-2-/- tumor cells in a 3D tumor spheroid model in vitro. Our data suggest a pivotal role of Lcn-2 in tumor iron-management, affecting tumor growth. This study underscores the role of iron for tumor progression and the need for a better understanding of iron-targeted therapy approaches.
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Prawira A, Le TBU, Vu TC, Huynh H. Ribociclib enhances infigratinib-induced cancer cell differentiation and delays resistance in FGFR-driven hepatocellular carcinoma. Liver Int 2021; 41:608-620. [PMID: 33179425 PMCID: PMC7894323 DOI: 10.1111/liv.14728] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 10/14/2020] [Accepted: 11/04/2020] [Indexed: 12/24/2022]
Abstract
BACKGROUND & AIMS Infigratinib is a pan-FGFR (fibroblast growth factor receptor) inhibitor that has shown encouraging activity in FGFR-dependent hepatocellular carcinoma (HCC) models. However, long-term treatment results in the emergence of resistant colonies. We sought to understand the mechanisms behind infigratinib-induced tumour cell differentiation and resistance and to explore the potential of adding the CDK4/6 inhibitor ribociclib to prolong cell differentiation. METHODS Nine high and three low FGFR1-3-expressing HCC patient-derived xenograft (PDX) tumours were subcutaneously implanted into SCID mice and subsequently treated with either infigratinib alone or in combination with ribociclib. Tumour tissues were then subjected to immunohistochemistry to assess cell differentiation, as indicated by the cytoplasmic-to-nuclear ratio and markers such as CYP3A4, HNF4α and albumin. Western blot analyses were performed to investigate the signalling pathways involved. RESULTS Infigratinib induced cell differentiation in FGFR1-3-dependent HCC PDX models, as indicated by an increase in the cytoplasmic/nuclear ratio and an increase in CYP3A4, HNF4α and albumin. Resistant colonies emerged in long-term treatment, characterised by a reversal of differentiated cell morphology, a reduction in the cytoplasmic-to-nuclear ratio and a loss of differentiation markers. Western blot analyses identified an increase in the CDK4/Cdc2/Rb pathway. The addition of ribociclib effectively blocked this pathway and reversed resistance to infigratinib, resulting in prolonged cell differentiation and growth inhibition. CONCLUSIONS Our findings demonstrate that the combined inhibition of FGFR/CDK4/6 pathways is highly effective in providing long-lasting tumour growth inhibition and cell differentiation and reducing drug resistance. Therefore, further clinical investigations in patients with FGFR1-3-dependant HCC are warranted.
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Affiliation(s)
- Aldo Prawira
- Laboratory of Molecular EndocrinologyDivision of Molecular and Cellular ResearchNational Cancer CentreSingapore
| | - Thi Bich Uyen Le
- Laboratory of Molecular EndocrinologyDivision of Molecular and Cellular ResearchNational Cancer CentreSingapore
| | - Thanh Chung Vu
- Laboratory of Molecular EndocrinologyDivision of Molecular and Cellular ResearchNational Cancer CentreSingapore
| | - Hung Huynh
- Laboratory of Molecular EndocrinologyDivision of Molecular and Cellular ResearchNational Cancer CentreSingapore
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Exosomes and exosomal RNAs in breast cancer: A status update. Eur J Cancer 2021; 144:252-268. [DOI: 10.1016/j.ejca.2020.11.033] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 11/25/2020] [Indexed: 12/13/2022]
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38
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Onoyama I, Nakayama S, Shimizu H, Nakayama KI. Loss of Fbxw7 Impairs Development of and Induces Heterogeneous Tumor Formation in the Mouse Mammary Gland. Cancer Res 2020; 80:5515-5530. [PMID: 33234509 DOI: 10.1158/0008-5472.can-20-0271] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Revised: 08/17/2020] [Accepted: 10/22/2020] [Indexed: 11/16/2022]
Abstract
Fbxw7 is an F-box protein that contributes to regulation of cell proliferation and cell fate determination as well as to tumor suppression in various tissues. In this study, we generated mice with mammary gland-specific ablation of Fbxw7 (Blg-Cre/Fbxw7 F/F mice) and found that most neonates born to mutant dams die soon after birth as a result of defective maternal lactation. The mammary gland of mutant dams was markedly atrophic and manifested both excessive cell proliferation and apoptosis in association with the accumulation of Notch1 and p63. Despite the hypoplastic nature of the mutant mammary gland, Blg-Cre/Fbxw7 F/F mice spontaneously developed mammary tumors that resembled basal-like carcinoma with marked intratumoral heterogeneity. Additional inactivation of Trp53 in Blg-Cre/Fbxw7 F/F mice further promoted onset and development of mammary tumors, suggesting that spontaneous mutation of Trp53 may facilitate transition of hypoplastic mammary lesions to aggressive cancer in mice lacking Fbxw7. RNA-sequencing analysis of epithelial- and mesenchymal-like cell lines from a Blg-Cre/Fbxw7 F/F mouse tumor revealed an increased mutation rate and structural alterations in the tumor and differential expression of upstream transcription factors including known targets of Fbxw7. Together, our results implicate Fbxw7 in the regulation of cell differentiation and in tumor suppression in the mammary gland. Loss of Fbxw7 increases mutation rate and chromosome instability, activates signaling pathways governed by transcription factors regulated by Fbxw7, and triggers the development of mammary tumors with prominent heterogeneity. SIGNIFICANCE: Mammary gland-specific ablation of Fbxw7 in mice results in defective gland development and spontaneous mammary tumor formation reminiscent of human basal-like carcinoma with intratumoral heterogeneity. GRAPHICAL ABSTRACT: http://cancerres.aacrjournals.org/content/canres/80/24/5515/F1.large.jpg.
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Affiliation(s)
- Ichiro Onoyama
- Department of Molecular and Cellular Biology, Medical Institute of Bioregulation, Kyushu University, Higashi-ku, Fukuoka, Fukuoka Japan
| | - Shogo Nakayama
- Department of Molecular and Cellular Biology, Medical Institute of Bioregulation, Kyushu University, Higashi-ku, Fukuoka, Fukuoka Japan
| | - Hideyuki Shimizu
- Department of Molecular and Cellular Biology, Medical Institute of Bioregulation, Kyushu University, Higashi-ku, Fukuoka, Fukuoka Japan
| | - Keiichi I Nakayama
- Department of Molecular and Cellular Biology, Medical Institute of Bioregulation, Kyushu University, Higashi-ku, Fukuoka, Fukuoka Japan.
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Kern R, Correa SC, Scandolara TB, Carla da Silva J, Pires BR, Panis C. Current advances in the diagnosis and personalized treatment of breast cancer: lessons from tumor biology. Per Med 2020; 17:399-420. [PMID: 32804054 DOI: 10.2217/pme-2020-0070] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Breast cancer treatment has advanced enormously in the last decade. Most of this is due to advances reached in the knowledge regarding tumor biology, mainly in the field of diagnosis and treatment. This review brings information about how the genomics-based information contributed to advances in breast cancer diagnosis and prognosis perspective, as well as presents how tumor biology discoveries fostered the main therapeutic approaches available to treat such patients, based on a personalized point of view.
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Affiliation(s)
- Rodrigo Kern
- Laboratory of Tumor Biology, State University of West Paraná, Francisco Beltrão - Paraná 85601-970, Brazil.,Post-Graduation Program in Health-Applied Sciences, State University of West Paraná, Francisco Beltrão - Paraná 85601-970, Brazil
| | - Stephany Christiane Correa
- Center for Bone Marrow Transplantation, Laboratory of Stem Cells, National Cancer Institute (INCA), Rio de Janeiro 20230-130, RJ, Brazil
| | - Thalita Basso Scandolara
- Laboratory of Tumor Biology, State University of West Paraná, Francisco Beltrão - Paraná 85601-970, Brazil.,Federal University of Rio de Janeiro, Rio de Janeiro 21941-901, RJ, Brazil
| | - Janaína Carla da Silva
- Laboratory of Tumor Biology, State University of West Paraná, Francisco Beltrão - Paraná 85601-970, Brazil.,Post-Graduation Program in Health-Applied Sciences, State University of West Paraná, Francisco Beltrão - Paraná 85601-970, Brazil
| | - Bruno Ricardo Pires
- Instituto Nacional de Câncer José Alencar Gomes da Silva, Rio de Janeiro 20230-130, RJ, Brazil.,Department of Cellular & Molecular Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Carolina Panis
- Laboratory of Tumor Biology, State University of West Paraná, Francisco Beltrão - Paraná 85601-970, Brazil.,Post-Graduation Program in Health-Applied Sciences, State University of West Paraná, Francisco Beltrão - Paraná 85601-970, Brazil
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40
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Chung WC, Zhou X, Atfi A, Xu K. PIK3CG Is a Potential Therapeutic Target in Androgen Receptor-Indifferent Metastatic Prostate Cancer. THE AMERICAN JOURNAL OF PATHOLOGY 2020; 190:2194-2202. [PMID: 32805234 DOI: 10.1016/j.ajpath.2020.07.013] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Revised: 07/29/2020] [Accepted: 07/31/2020] [Indexed: 11/15/2022]
Abstract
The prostate epithelium consists of predominantly luminal cells that express androgen receptor and require androgens for growth. As a consequence, the depletion of testicular androgens in patients with prostate cancer results in tumor regression. However, it eventually leads to a castration-resistant disease that is highly metastatic. In this report, a mouse model of metastatic prostate cancer was generated through the deletion of the tumor-suppressor gene Trp53 in conjunction with oncogenic activation of the proto-oncogene Kras. These mice developed early-onset metastatic prostate cancer with complete penetrance. Tumors from these mice were poorly differentiated adenocarcinoma, characterized by extensive epithelial-mesenchymal transition. With no or a very low level of androgen receptor expression, the tumor cells were resistant to androgen receptor inhibition. Pik3cg, encoding phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit γ (Pi3kγ), was highly expressed in these tumors, and pharmacologic inhibition of Pi3kγ blocked tumor cell growth in vitro, reversed epithelial-mesenchymal transition, and abated tumor metastasis in vivo. Immunohistochemistry analysis in human prostate cancer specimens showed that the expression of PIK3CG was significantly associated with advanced clinical stages. Taken together, these results suggest that PIK3CG plays an important role in the progression and metastasis of prostate cancer, and may represent a new therapeutic target in the metastatic castration-resistant prostate cancer.
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Affiliation(s)
- Wen-Cheng Chung
- Cancer Center and Research Institute, University of Mississippi Medical Center, Jackson, Mississippi
| | - Xinchun Zhou
- Department of Pathology, University of Mississippi Medical Center, Jackson, Mississippi
| | - Azeddine Atfi
- Department of Pathology, Virginia Commonwealth University, Richmond, Virginia
| | - Keli Xu
- Cancer Center and Research Institute, University of Mississippi Medical Center, Jackson, Mississippi; Department of Neurobiology and Anatomical Sciences, University of Mississippi Medical Center, Jackson, Mississippi.
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Zhang Q, Lou Y, Bai XL, Liang TB. Intratumoral heterogeneity of hepatocellular carcinoma: From single-cell to population-based studies. World J Gastroenterol 2020; 26:3720-3736. [PMID: 32774053 PMCID: PMC7383842 DOI: 10.3748/wjg.v26.i26.3720] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 06/02/2020] [Accepted: 06/18/2020] [Indexed: 02/06/2023] Open
Abstract
Hepatocellular carcinoma (HCC) is characterized by high heterogeneity in both intratumoral and interpatient manners. While interpatient heterogeneity is related to personalized therapy, intratumoral heterogeneity (ITH) largely influences the efficacy of therapies in individuals. ITH contributes to tumor growth, metastasis, recurrence, and drug resistance and consequently limits the prognosis of patients with HCC. There is an urgent need to understand the causes, characteristics, and consequences of tumor heterogeneity in HCC for the purposes of guiding clinical practice and improving survival. Here, we summarize the studies and technologies that describe ITH in HCC to gain insight into the origin and evolutionary process of heterogeneity. In parallel, evidence is collected to delineate the dynamic relationship between ITH and the tumor ecosystem. We suggest that conducting comprehensive studies of ITH using single-cell approaches in temporal and spatial dimensions, combined with population-based clinical trials, will help to clarify the clinical implications of ITH, develop novel intervention strategies, and improve patient prognosis.
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Affiliation(s)
- Qi Zhang
- Department of Hepatobiliary and Pancreatic Surgery, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, Zhejiang Province, China
- Key Laboratory of Pancreatic Disease of Zhejiang Province, Hangzhou 310003, Zhejiang Province, China
- Innovation Center for the Study of Pancreatic Diseases of Zhejiang Province, Hangzhou 310003, Zhejiang Province, China
- Zhejiang Clinical Research Center of Hepatobiliary and Pancreatic Diseases, Hangzhou 310003, Zhejiang Province, China
| | - Yu Lou
- Department of Hepatobiliary and Pancreatic Surgery, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, Zhejiang Province, China
- Key Laboratory of Pancreatic Disease of Zhejiang Province, Hangzhou 310003, Zhejiang Province, China
| | - Xue-Li Bai
- Department of Hepatobiliary and Pancreatic Surgery, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, Zhejiang Province, China
- Key Laboratory of Pancreatic Disease of Zhejiang Province, Hangzhou 310003, Zhejiang Province, China
- Innovation Center for the Study of Pancreatic Diseases of Zhejiang Province, Hangzhou 310003, Zhejiang Province, China
- Zhejiang Clinical Research Center of Hepatobiliary and Pancreatic Diseases, Hangzhou 310003, Zhejiang Province, China
| | - Ting-Bo Liang
- Department of Hepatobiliary and Pancreatic Surgery, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, Zhejiang Province, China
- Key Laboratory of Pancreatic Disease of Zhejiang Province, Hangzhou 310003, Zhejiang Province, China
- Innovation Center for the Study of Pancreatic Diseases of Zhejiang Province, Hangzhou 310003, Zhejiang Province, China
- Zhejiang Clinical Research Center of Hepatobiliary and Pancreatic Diseases, Hangzhou 310003, Zhejiang Province, China
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Rose JT, Moskovitz E, Boyd JR, Gordon JA, Bouffard NA, Fritz AJ, Illendula A, Bushweller JH, Lian JB, Stein JL, Zaidi SK, Stein GS. Inhibition of the RUNX1-CBFβ transcription factor complex compromises mammary epithelial cell identity: a phenotype potentially stabilized by mitotic gene bookmarking. Oncotarget 2020; 11:2512-2530. [PMID: 32655837 PMCID: PMC7335667 DOI: 10.18632/oncotarget.27637] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Accepted: 05/20/2020] [Indexed: 12/12/2022] Open
Abstract
RUNX1 has recently been shown to play an important role in determination of mammary epithelial cell identity. However, mechanisms by which loss of the RUNX1 transcription factor in mammary epithelial cells leads to epithelial-to-mesenchymal transition (EMT) are not known. Here, we report that interaction between RUNX1 and its heterodimeric partner CBFβ is essential for sustaining mammary epithelial cell identity. Disruption of RUNX1-CBFβ interaction, DNA binding, and association with mitotic chromosomes alters cell morphology, global protein synthesis, and phenotype-related gene expression. During interphase, RUNX1 is organized as punctate, predominantly nuclear, foci that are dynamically redistributed during mitosis, with a subset localized to mitotic chromosomes. Genome-wide RUNX1 occupancy profiles for asynchronous, mitotically enriched, and early G1 breast epithelial cells reveal RUNX1 associates with RNA Pol II-transcribed protein coding and long non-coding RNA genes and RNA Pol I-transcribed ribosomal genes critical for mammary epithelial proliferation, growth, and phenotype maintenance. A subset of these genes remains occupied by the protein during the mitosis to G1 transition. Together, these findings establish that the RUNX1-CBFβ complex is required for maintenance of the normal mammary epithelial phenotype and its disruption leads to EMT. Importantly, our results suggest, for the first time, that RUNX1 mitotic bookmarking of a subset of epithelial-related genes may be an important epigenetic mechanism that contributes to stabilization of the mammary epithelial cell identity.
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Affiliation(s)
- Joshua T. Rose
- Department of Biochemistry and University of Vermont Cancer Center, Robert Larner College of Medicine, University of Vermont, Burlington, VT 05405, USA
- These authors contributed equally to this work
| | - Eliana Moskovitz
- Department of Biochemistry and University of Vermont Cancer Center, Robert Larner College of Medicine, University of Vermont, Burlington, VT 05405, USA
- These authors contributed equally to this work
| | - Joseph R. Boyd
- Department of Biochemistry and University of Vermont Cancer Center, Robert Larner College of Medicine, University of Vermont, Burlington, VT 05405, USA
| | - Jonathan A. Gordon
- Department of Biochemistry and University of Vermont Cancer Center, Robert Larner College of Medicine, University of Vermont, Burlington, VT 05405, USA
| | - Nicole A. Bouffard
- Microscopy Imaging Center at the Robert Larner College of Medicine, University of Vermont, Burlington, VT 05405, USA
| | - Andrew J. Fritz
- Department of Biochemistry and University of Vermont Cancer Center, Robert Larner College of Medicine, University of Vermont, Burlington, VT 05405, USA
| | - Anuradha Illendula
- Department of Molecular Physiology and Biological Physics, University of Virginia, Charlottesville, VA 22908, USA
| | - John H. Bushweller
- Department of Molecular Physiology and Biological Physics, University of Virginia, Charlottesville, VA 22908, USA
| | - Jane B. Lian
- Department of Biochemistry and University of Vermont Cancer Center, Robert Larner College of Medicine, University of Vermont, Burlington, VT 05405, USA
| | - Janet L. Stein
- Department of Biochemistry and University of Vermont Cancer Center, Robert Larner College of Medicine, University of Vermont, Burlington, VT 05405, USA
| | - Sayyed K. Zaidi
- Department of Biochemistry and University of Vermont Cancer Center, Robert Larner College of Medicine, University of Vermont, Burlington, VT 05405, USA
| | - Gary S. Stein
- Department of Biochemistry and University of Vermont Cancer Center, Robert Larner College of Medicine, University of Vermont, Burlington, VT 05405, USA
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Klinke DJ, Torang A. An Unsupervised Strategy for Identifying Epithelial-Mesenchymal Transition State Metrics in Breast Cancer and Melanoma. iScience 2020; 23:101080. [PMID: 32371374 PMCID: PMC7200934 DOI: 10.1016/j.isci.2020.101080] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 03/24/2020] [Accepted: 04/14/2020] [Indexed: 02/07/2023] Open
Abstract
Digital cytometry aims to identify different cell types in the tumor microenvironment, with the current focus on immune cells. Yet, identifying how changes in tumor cell phenotype, such as the epithelial-mesenchymal transition, influence the immune contexture is emerging as an important question. To extend digital cytometry, we developed an unsupervised feature extraction and selection strategy to capture functional plasticity tailored to breast cancer and melanoma separately. Specifically, principal component analysis coupled with resampling helped develop gene expression-based state metrics that characterize differentiation within an epithelial to mesenchymal-like state space and independently correlate with metastatic potential. First developed using cell lines, the orthogonal state metrics were refined to exclude the contributions of normal fibroblasts and provide tissue-level state estimates using bulk tissue RNA-seq measures. The resulting metrics for differentiation state aim to inform a more holistic view of how the malignant cell phenotype influences the immune contexture within the tumor microenvironment. Unsupervised strategy to generate epithelial and mesenchymal state metrics Refined metrics for use with bulk RNA-seq data by removing normal fibroblasts genes Validated state predictions against independent measures of metastatic potential Breast cancer and melanoma share more common genes in de-differentiated metrics
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Affiliation(s)
- David J Klinke
- Department of Chemical and Biomedical Engineering, West Virginia University, Morgantown, WV, USA; Department of Microbiology, Immunology and Cell Biology, West Virginia University, Morgantown, WV, USA; WVU Cancer Institute, West Virginia University, Morgantown, WV, USA.
| | - Arezo Torang
- Amsterdam UMC, University of Amsterdam, Laboratory for Experimental Oncology and Radiobiology, Center for Experimental and Molecular Medicine, Cancer Center Amsterdam, Amsterdam, the Netherlands; Oncode Institute, UMC, University of Amsterdam, Amsterdam, the Netherlands
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Pateetin P, Pisitkun T, McGowan E, Boonyaratanakornkit V. Differential quantitative proteomics reveals key proteins related to phenotypic changes of breast cancer cells expressing progesterone receptor A. J Steroid Biochem Mol Biol 2020; 198:105560. [PMID: 31809870 DOI: 10.1016/j.jsbmb.2019.105560] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 12/02/2019] [Accepted: 12/02/2019] [Indexed: 12/16/2022]
Abstract
Progesterone receptor isoforms A and B exert different biological effects in breast cancer cells. Alteration of PRA/PRB ratio is often observed during breast cancer progression. High PRA/PRB ratios in breast cancer patients are associated with resistance to chemotherapy and poor prognosis. While it is well accepted that PRA and PRB regulate different sets of genes, how the expression of PRA and PRB alters breast cancer proteomes has not been fully investigated. To directly investigate the effects of PR isoform expression on the breast cancer proteome, both in the presence and absence of progestin, PRA and PRB were independently stably expressed in T47DC42 PR-null breast cancer cells using a doxycycline (Dox)-regulated promoter. Dox induction dose-dependently increased PRA and PRB expression. Dox-induced PRA and PRB showed normal receptor localization and were transcriptionally active. Differential quantitative proteomic analysis by stable isotope dimethyl labeling was performed to quantitatively examine how PR isoforms altered global breast cancer proteomes. Cells expressing PRA in the absence of progestin were enriched in proteins involved in the TCA cycle and enriched in proteins involved in glycolysis in the presence of progestin, whilst cells expressing PRB in the absence and presence progestin were significantly enriched in proteins involved in the cell cycle and cell apoptosis pathways. This proteomic data revealed a link between PR isoform expression and alteration in cell metabolism, cell proliferation, and apoptosis. The enrichment of proteins involved in the glycolytic pathway in breast cancer cells expressing PRA is consistent with stem cell-like properties, previously reported in PRA-rich breast cancer cells. Moreover, compared to liganded PRB, liganded PRA differentially upregulated proteins involved in chromatin remodeling, such as linker histone H1.2. Silencing H1.2 gene expression suppressed PRA-mediated cell proliferation and promoted G2/M and S phase entry of the cell cycle. Additionally, liganded PRA upregulated the expression of cathepsin D (CTSD) protease, whose expression is associated with poor prognosis in breast cancer patients. Together, our data demonstrated that the expression of PRA or PRB dramatically and differentially altered breast cancer cell proteomes. These isoform-specific changes in the breast cancer proteome will help to explain the distinct phenotypic properties of breast cancer cells expressing different levels of PRA and PRB.
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Affiliation(s)
- Prangwan Pateetin
- Graduate Program in Clinical Biochemistry and Molecular Medicine and Department of Clinical Chemistry, Faculty of Allied Health Sciences, Bangkok 10330, Thailand
| | - Trairak Pisitkun
- Systems Biology Center, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
| | - Eileen McGowan
- School of Life Sciences, University of Technology Sydney, Sydney, NSW, Australia
| | - Viroj Boonyaratanakornkit
- Graduate Program in Clinical Biochemistry and Molecular Medicine and Department of Clinical Chemistry, Faculty of Allied Health Sciences, Bangkok 10330, Thailand; Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, Thailand; Age-related Inflammation and Degeneration Research Unit, Chulalongkorn University, Bangkok 10330, Thailand.
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Claudins: New Players in Human Fertility and Reproductive System Cancers. Cancers (Basel) 2020; 12:cancers12030711. [PMID: 32197343 PMCID: PMC7140004 DOI: 10.3390/cancers12030711] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Revised: 03/15/2020] [Accepted: 03/17/2020] [Indexed: 12/12/2022] Open
Abstract
Claudins are major integral proteins of tight junctions (TJs), the apical cell-cell adhesions that enable maintaining polarity of epithelial cells, their differentiation, and cell signaling. A number of studies have indicated that claudins might play a crucial role in both physiology and pathogenesis. Their tissue-specific expression was originally linked to the development of different types of cancer and triggered a hope to use them as diagnostic or prognostic markers. However, it seems that their expression is more complex than that, and undoubtedly, claudins participate in one of the most important molecular events in cells. This review summarizes the recent research evaluating the role of claudins in fertility and the most common endocrine-dependent cancers in the reproductive system and highlights the crucial role of claudins both in human fertility and the most common cancers.
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Pamphlett R, Satgunaseelan L, Kum Jew S, Doble PA, Bishop DP. Elemental bioimaging shows mercury and other toxic metals in normal breast tissue and in breast cancers. PLoS One 2020; 15:e0228226. [PMID: 32004334 PMCID: PMC6993973 DOI: 10.1371/journal.pone.0228226] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Accepted: 01/09/2020] [Indexed: 02/07/2023] Open
Abstract
OBJECTIVE Exposure to toxic metals such as mercury has been proposed to be a risk factor for the development of breast cancer since some metals can promote genetic mutations and epigenetic changes. We sought to find what toxic metals are present in normal breast tissue and in the tumours of women who had mastectomies for invasive ductal breast carcinoma. MATERIALS AND METHODS Formalin-fixed paraffin-embedded blocks from mastectomies for breast carcinoma were examined from 50 women aged 34-69 years. Paraffin blocks selected for elemental analysis were from breast tissue not involved by carcinoma and from the carcinoma itself. Seven micrometer-thick sections were stained with autometallography to demonstrate the presence of mercury, and subjected to laser ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS) to confirm the presence of mercury and to detect other toxic metals. RESULTS Autometallography-detected mercury was seen in intraductal secretions and some luminal epithelial cells of normal breast lobules in 26 (55%) of the 47 samples where lobules were present, and in 10 (23%) of carcinomas from the 44 samples where carcinoma was present. In eight samples ductal carcinoma in situ was present and one of these contained mercury. LA-ICP-MS confirmed the presence of mercury in samples that stained with autometallography, and detected lead, iron, nickel, aluminium, chromium and cadmium in some samples. CONCLUSIONS Mercury was present in normal breast lobules in more than half of mastectomy samples that contained an invasive carcinoma, and in a smaller proportion of carcinomas and ductal carcinomas in situ. Other toxic metals that may interact synergistically with mercury could be detected in some samples. These findings do not provide direct evidence that toxic metals such as mercury play a role in the pathogenesis of breast cancer, but suggest that future molecular biological investigations on the role of toxic metals in breast cancer are warranted.
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Affiliation(s)
- Roger Pamphlett
- Discipline of Pathology, Sydney Medical School, Brain and Mind Centre, The University of Sydney, Sydney, New South Wales, Australia
- Department of Neuropathology, Royal Prince Alfred Hospital, Sydney, New South Wales, Australia
- * E-mail:
| | - Laveniya Satgunaseelan
- Department of Tissue Pathology and Diagnostic Oncology, Royal Prince Alfred Hospital, Sydney, New South Wales, Australia
| | - Stephen Kum Jew
- Discipline of Pathology, Sydney Medical School, Brain and Mind Centre, The University of Sydney, Sydney, New South Wales, Australia
| | - Philip A. Doble
- Elemental Bio-Imaging Facility, School of Mathematical and Physical Sciences, University of Technology Sydney, Sydney, New South Wales, Australia
| | - David P. Bishop
- Elemental Bio-Imaging Facility, School of Mathematical and Physical Sciences, University of Technology Sydney, Sydney, New South Wales, Australia
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Li D, Ji H, Niu X, Yin L, Wang Y, Gu Y, Wang J, Zhou X, Zhang H, Zhang Q. Tumor-associated macrophages secrete CC-chemokine ligand 2 and induce tamoxifen resistance by activating PI3K/Akt/mTOR in breast cancer. Cancer Sci 2019; 111:47-58. [PMID: 31710162 PMCID: PMC6942430 DOI: 10.1111/cas.14230] [Citation(s) in RCA: 138] [Impact Index Per Article: 27.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Revised: 11/01/2019] [Accepted: 11/05/2019] [Indexed: 12/17/2022] Open
Abstract
Breast cancer is the most prevalent malignancy among women. Although endocrine therapy is effective, the development of endocrine resistance is a major clinical challenge. The tumor microenvironment (TME) promotes tumor malignancy, and tumor-associated macrophages (TAM) within the TME play a crucial role in endocrine resistance. Herein, we aimed to elucidate the relationship between TAM and the endocrine-resistant phenotype of breast cancer. Macrophages were cultured with conditioned medium (CM) from tamoxifen-sensitive (MCF7-S) or -resistant (MCF7-R) MCF7 breast cancer cells. M2 polarization was detected by CD163 immunofluorescence. To determine the effect on endocrine resistance, MCF7 cells were cultured in the supernatant of different TAM, and then treated with tamoxifen. CC-chemokine ligand 2 (CCL2) immunohistochemistry was carried out on pathological sections from 100 patients with invasive estrogen receptor-positive breast cancer. We found that macrophages cultured in the CM of MCF7-S and MCF7-R cells were induced into TAM, with a more obvious M2 polarization in the latter. Tamoxifen resistance was increased by culture in TAM medium. TAM secreted CCL2, which increased endocrine resistance in breast cancer cells through activation of the PI3K/Akt/mTOR signaling pathway. High expression of CCL2 was correlated with infiltration of CD163+macrophages (r = 0.548, P < .001), and patients with high CCL2 expression presented shorter progression-free survival than those with low CCL2 expression (P < .05). We conclude that CCL2 secreted by TAM activates PI3K/Akt/mTOR signaling and promotes an endocrine resistance feedback loop in the TME, suggesting that CCL2 and TAM may be novel therapeutic targets for patients with endocrine-resistant breast cancer.
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Affiliation(s)
- Dongbo Li
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin Medical University, Harbin, China
| | - Hongfei Ji
- Institute of Cancer Prevention and Treatment, Heilongjiang Academy of Medical Sciences, Harbin Medical University, Harbin, China
| | - Xingjian Niu
- Institute of Cancer Prevention and Treatment, Heilongjiang Academy of Medical Sciences, Harbin Medical University, Harbin, China
| | - Lei Yin
- Institute of Cancer Prevention and Treatment, Heilongjiang Academy of Medical Sciences, Harbin Medical University, Harbin, China
| | - Yiran Wang
- Institute of Cancer Prevention and Treatment, Heilongjiang Academy of Medical Sciences, Harbin Medical University, Harbin, China
| | - Yucui Gu
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin Medical University, Harbin, China
| | - Jinlu Wang
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin Medical University, Harbin, China
| | - Xiaoping Zhou
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin Medical University, Harbin, China
| | - Han Zhang
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin Medical University, Harbin, China
| | - Qingyuan Zhang
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin Medical University, Harbin, China
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Zhu L, Narloch JL, Onkar S, Joy M, Broadwater G, Luedke C, Hall A, Kim R, Pogue-Geile K, Sammons S, Nayyar N, Chukwueke U, Brastianos PK, Anders CK, Soloff AC, Vignali DAA, Tseng GC, Emens LA, Lucas PC, Blackwell KL, Oesterreich S, Lee AV. Metastatic breast cancers have reduced immune cell recruitment but harbor increased macrophages relative to their matched primary tumors. J Immunother Cancer 2019; 7:265. [PMID: 31627744 PMCID: PMC6798422 DOI: 10.1186/s40425-019-0755-1] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2019] [Accepted: 09/20/2019] [Indexed: 01/06/2023] Open
Abstract
The interplay between the immune system and tumor progression is well recognized. However, current human breast cancer immunophenotyping studies are mostly focused on primary tumors with metastatic breast cancer lesions remaining largely understudied. To address this gap, we examined exome-capture RNA sequencing data from 50 primary breast tumors (PBTs) and their patient-matched metastatic tumors (METs) in brain, ovary, bone and gastrointestinal tract. We used gene expression signatures as surrogates for tumor infiltrating lymphocytes (TILs) and compared TIL patterns in PBTs and METs. Enrichment analysis and deconvolution methods both revealed that METs had a significantly lower abundance of total immune cells, including CD8+ T cells, regulatory T cells and dendritic cells. An exception was M2-like macrophages, which were significantly higher in METs across the organ sites examined. Multiplex immunohistochemistry results were consistent with data from the in-silico analysis and showed increased macrophages in METs. We confirmed the finding of a significant reduction in immune cells in brain METs (BRMs) by pathologic assessment of TILs in a set of 49 patient-matched pairs of PBT/BRMs. These findings indicate that METs have an overall lower infiltration of immune cells relative to their matched PBTs, possibly due to immune escape. RNAseq analysis suggests that the relative levels of M2-like macrophages are increased in METs, and their potential role in promoting breast cancer metastasis warrants further study.
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Affiliation(s)
- Li Zhu
- Department of Biostatistics, University of Pittsburgh, Pittsburgh, PA, USA
| | - Jessica L Narloch
- Clinical Research Training Program, Duke University Medical Center (DUMC), Durham, NC, USA
- Breast Cancer Program, Duke Cancer Institute, DUMC, Durham, NC, USA
| | - Sayali Onkar
- Department of Immunology, University of Pittsburgh, Pittsburgh, PA, USA
- Tumor Microenvironment Center, University of Pittsburgh Medical Center (UPMC) Hillman Cancer Center, Pittsburgh, PA, USA
| | - Marion Joy
- National Surgical Adjuvant Breast and Bowel Project (NSABP), Pittsburgh, PA, USA
| | | | | | | | - Rim Kim
- National Surgical Adjuvant Breast and Bowel Project (NSABP), Pittsburgh, PA, USA
| | | | - Sarah Sammons
- Breast Cancer Program, Duke Cancer Institute, DUMC, Durham, NC, USA
- Division of Hematology/Oncology, Department of Medicine, DUMC, Durham, NC, USA
| | - Naema Nayyar
- Division of Hematology & Oncology, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
- Division of Neuro-Oncology, Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Ugonma Chukwueke
- Division of Hematology & Oncology, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
- Division of Neuro-Oncology, Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Priscilla K Brastianos
- Division of Hematology & Oncology, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
- Division of Neuro-Oncology, Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Carey K Anders
- Division of Medical Oncology, Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Adam C Soloff
- Department of Cardiothoracic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Dario A A Vignali
- Department of Immunology, University of Pittsburgh, Pittsburgh, PA, USA
- Tumor Microenvironment Center, University of Pittsburgh Medical Center (UPMC) Hillman Cancer Center, Pittsburgh, PA, USA
| | - George C Tseng
- Department of Biostatistics, University of Pittsburgh, Pittsburgh, PA, USA
| | - Leisha A Emens
- Tumor Microenvironment Center, University of Pittsburgh Medical Center (UPMC) Hillman Cancer Center, Pittsburgh, PA, USA
- Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
- Womens Cancer Research Center, UPMC Hillman Cancer Center, Magee Womens Research Institute, Pittsburgh, USA
| | - Peter C Lucas
- National Surgical Adjuvant Breast and Bowel Project (NSABP), Pittsburgh, PA, USA
- Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Kimberly L Blackwell
- Breast Cancer Program, Duke Cancer Institute, DUMC, Durham, NC, USA
- Department of Radiation Oncology, DUMC, Durham, NC, USA
| | - Steffi Oesterreich
- Womens Cancer Research Center, UPMC Hillman Cancer Center, Magee Womens Research Institute, Pittsburgh, USA
- Department of Pharmacology & Chemical Biology, University of Pittsburgh, Pittsburgh, USA
| | - Adrian V Lee
- Womens Cancer Research Center, UPMC Hillman Cancer Center, Magee Womens Research Institute, Pittsburgh, USA.
- Department of Pharmacology & Chemical Biology, University of Pittsburgh, Pittsburgh, USA.
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Mehta GA, Khanna P, Gatza ML. Emerging Role of SOX Proteins in Breast Cancer Development and Maintenance. J Mammary Gland Biol Neoplasia 2019; 24:213-230. [PMID: 31069617 PMCID: PMC6790170 DOI: 10.1007/s10911-019-09430-6] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Accepted: 04/21/2019] [Indexed: 12/26/2022] Open
Abstract
The SOX genes encode a family of more than 20 transcription factors that are critical regulators of embryogenesis and developmental processes and, when aberrantly expressed, have been shown to contribute to tumor development and progression in both an oncogenic and tumor suppressive role. Increasing evidence demonstrates that the SOX proteins play essential roles in multiple cellular processes that mediate or contribute to oncogenic transformation and tumor progression. In the context of breast cancer, SOX proteins function both as oncogenes and tumor suppressors and have been shown to be associated with tumor stage and grade and poor prognosis. Experimental evidence demonstrates that a subset of SOX proteins regulate critical aspects of breast cancer biology including cancer stemness and multiple signaling pathways leading to altered cell proliferation, survival, and tumor development; EMT, cell migration and metastasis; as well as other tumor associated characteristics. This review will summarize the role of SOX family members as important mediators of tumorigenesis in breast cancer, with an emphasis on the triple negative or basal-like subtype of breast cancer, as well as examine the therapeutic potential of these genes and their downstream targets.
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Affiliation(s)
- Gaurav A Mehta
- Rutgers Cancer Institute of New Jersey, 195 Little Albany Street, CINJ 4558, New Brunswick, NJ, 08903, USA
- Department of Radiation Oncology, Robert Wood Johnson Medical School, New Brunswick, NJ, USA
- Rutgers, The State University of New Jersey, New Brunswick, NJ, USA
| | - Pooja Khanna
- Rutgers Cancer Institute of New Jersey, 195 Little Albany Street, CINJ 4558, New Brunswick, NJ, 08903, USA
- Department of Radiation Oncology, Robert Wood Johnson Medical School, New Brunswick, NJ, USA
- Rutgers, The State University of New Jersey, New Brunswick, NJ, USA
| | - Michael L Gatza
- Rutgers Cancer Institute of New Jersey, 195 Little Albany Street, CINJ 4558, New Brunswick, NJ, 08903, USA.
- Department of Radiation Oncology, Robert Wood Johnson Medical School, New Brunswick, NJ, USA.
- Rutgers, The State University of New Jersey, New Brunswick, NJ, USA.
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C1orf106, an innate immunity activator, is amplified in breast cancer and is required for basal-like/luminal progenitor fate decision. SCIENCE CHINA-LIFE SCIENCES 2019; 62:1229-1242. [PMID: 31376015 DOI: 10.1007/s11427-019-9570-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Accepted: 06/03/2019] [Indexed: 01/29/2023]
Abstract
Basal-like breast cancer with a luminal progenitor gene expression profile is an aggressive subtype of breast cancer with a poorer prognosis compared with other subtypes. However, genes that specifically promote basal-like breast cancer development remain largely unknown. Here, we report that a novel gene C1orf106 plays an important role in maintaining the feature of basal-like/luminal progenitors. C1orf106 is frequently amplified and overexpressed in basal-like breast cancer and is associated with a poor outcome in patients. In human TCGA database, C1orf106 expression was correlated with upregulation of ELF5 and downregulation of GATA3, two transcription factors that regulate mammary gland stem cell fate. Enhanced expression of C1orf106 promotes tumor progression and expression of basal-like/luminal progenitor marker ELF5; depletion of C1orf106 suppresses tumorigenesis and expression of basal-like/luminal progenitor marker GATA3. These findings suggest that C1orf106 maintains the basal-like/luminal progenitor character through balancing the expression of ELF5 and GATA3. Taken together, we demonstrated that C1orf106 is an important regulator for basal-like/luminal progenitors and targeting C1orf106 is of therapeutic value for breast cancer.
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