1
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Fu S, Ke H, Yuan H, Xu H, Chen W, Zhao L. Dual role of pregnancy in breast cancer risk. Gen Comp Endocrinol 2024; 352:114501. [PMID: 38527592 DOI: 10.1016/j.ygcen.2024.114501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 03/15/2024] [Accepted: 03/20/2024] [Indexed: 03/27/2024]
Abstract
Reproductive history is one of the strongest risk factors for breast cancer in women. Pregnancy can promote short-term breast cancer risk, but also reduce a woman's lifetime risk of breast cancer. Changes in hormone levels before and after pregnancy are one of the key factors in breast cancer risk. This article summarizes the changes in hormone levels before and after pregnancy, and the roles of hormones in mammary gland development and breast cancer progression. Other factors, such as changes in breast morphology and mammary gland differentiation, changes in the proportion of mammary stem cells (MaSCs), changes in the immune and inflammatory environment, and changes in lactation before and after pregnancy, also play key roles in the occurrence and development of breast cancer. This review discusses the dual effects and the potential mechanisms of pregnancy on breast cancer risk from the above aspects, which is helpful to understand the complexity of female breast cancer occurrence.
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Affiliation(s)
- Shiting Fu
- Human Aging Research Institute (HARI) and School of Life Science, Nanchang University, and Jiangxi Key Laboratory of Human Aging, Nanchang 330031, China
| | - Hao Ke
- Human Aging Research Institute (HARI) and School of Life Science, Nanchang University, and Jiangxi Key Laboratory of Human Aging, Nanchang 330031, China
| | | | - Huaimeng Xu
- Human Aging Research Institute (HARI) and School of Life Science, Nanchang University, and Jiangxi Key Laboratory of Human Aging, Nanchang 330031, China
| | - Wenyan Chen
- Department of Medical Oncology, The Third Hospital of Nanchang, Nanchang 330009, China
| | - Limin Zhao
- Human Aging Research Institute (HARI) and School of Life Science, Nanchang University, and Jiangxi Key Laboratory of Human Aging, Nanchang 330031, China.
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2
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Shao H, Huang J, Wang H, Wang G, Yang X, Cheng M, Sun C, Zou L, Yang Q, Zhang D, Liu Z, Jiang X, Shi L, Shi P, Han B, Jiao B. Fused in sarcoma (FUS) inhibits milk production efficiency in mammals. Nat Commun 2024; 15:3953. [PMID: 38729967 PMCID: PMC11087553 DOI: 10.1038/s41467-024-48428-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Accepted: 04/25/2024] [Indexed: 05/12/2024] Open
Abstract
Efficient milk production in mammals confers evolutionary advantages by facilitating the transmission of energy from mother to offspring. However, the regulatory mechanism responsible for the gradual establishment of milk production efficiency in mammals, from marsupials to eutherians, remains elusive. Here, we find that mammary gland of the marsupial sugar glider contained milk components during adolescence, and that mammary gland development is less dynamically cyclic compared to that in placental mammals. Furthermore, fused in sarcoma (FUS) is found to be partially responsible for this establishment of low efficiency. In mouse model, FUS inhibit mammary epithelial cell differentiation through the cyclin-dependent kinase inhibitor p57Kip2, leading to lactation failure and pup starvation. Clinically, FUS levels are negatively correlated with milk production in lactating women. Overall, our results shed light on FUS as a negative regulator of milk production, providing a potential mechanism for the establishment of milk production from marsupial to eutherian mammals.
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Affiliation(s)
- Haili Shao
- National Key Laboratory of Genetic Evolution & Animal Models, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, 650201, China
- Kunming College of Life Science, University of the Chinese Academy of Sciences, Kunming, Yunnan, 650201, China
| | - Jipeng Huang
- National Key Laboratory of Genetic Evolution & Animal Models, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, 650201, China
- Kunming College of Life Science, University of the Chinese Academy of Sciences, Kunming, Yunnan, 650201, China
| | - Hui Wang
- National Key Laboratory of Genetic Evolution & Animal Models, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, 650201, China
| | - Guolei Wang
- Department of Obstetrics, Weifang People's Hospital, Weifang, Shandong, 261042, China
| | - Xu Yang
- National Key Laboratory of Genetic Evolution & Animal Models, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, 650201, China
- Kunming College of Life Science, University of the Chinese Academy of Sciences, Kunming, Yunnan, 650201, China
| | - Mei Cheng
- National Key Laboratory of Genetic Evolution & Animal Models, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, 650201, China
- Kunming College of Life Science, University of the Chinese Academy of Sciences, Kunming, Yunnan, 650201, China
| | - Changjie Sun
- National Key Laboratory of Genetic Evolution & Animal Models, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, 650201, China
- Kunming College of Life Science, University of the Chinese Academy of Sciences, Kunming, Yunnan, 650201, China
| | - Li Zou
- National Key Laboratory of Genetic Evolution & Animal Models, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, 650201, China
- Kunming College of Life Science, University of the Chinese Academy of Sciences, Kunming, Yunnan, 650201, China
| | - Qin Yang
- National Key Laboratory of Genetic Evolution & Animal Models, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, 650201, China
| | - Dandan Zhang
- Luoyang Maternal and Child Health Hospital, Luoyang, Henan, 471000, China
| | - Zhen Liu
- National Key Laboratory of Genetic Evolution & Animal Models, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, 650201, China
| | - Xuelong Jiang
- National Key Laboratory of Genetic Evolution & Animal Models, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, 650201, China
| | - Lei Shi
- National Key Laboratory of Genetic Evolution & Animal Models, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, 650201, China
| | - Peng Shi
- National Key Laboratory of Genetic Evolution & Animal Models, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, 650201, China
- KIZ-CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, 650203, China
| | - Baowei Han
- Luoyang Maternal and Child Health Hospital, Luoyang, Henan, 471000, China.
| | - Baowei Jiao
- National Key Laboratory of Genetic Evolution & Animal Models, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, 650201, China.
- KIZ-CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, 650203, China.
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3
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Campo Verde F, Pascual LI, García D, Ortiz I, Gamarra-Luques C, Carón R, Hapon MB. EPIGENETIC IMPACT OF HYPOTHYROIDISM ON THE FUNCTIONAL DIFFERENTIATION OF THE MAMMARY GLAND IN RATS. Mol Cell Endocrinol 2024:112267. [PMID: 38729597 DOI: 10.1016/j.mce.2024.112267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 04/18/2024] [Accepted: 05/02/2024] [Indexed: 05/12/2024]
Abstract
Mammary gland (MG) lactogenic differentiation involves epigenetic mechanisms. We have previously shown that hypothyroidism (HypoT) alters the MG transcriptome in lactation. However, the role of thyroid hormones (T3 and T4 a.k.a. THs) in epigenetic differentiation of MG is still unknown. We used a model of post-lactating HypoT rats to study in MG: a) Methylation and expression level of Gata3, Elf5, Stat6, Stat5a, Stat5b; b) Expression of Lalba, IL-4Rα and Ncoa1 mRNA; c) Histone H3 acetylation and d) Estrogen and progesterone concentration in serum. HypoT increases the estrogen serum level, decreases the progesterone level, promotes methylation of Stat5a, Stat5b and Stat6, decreasing their mRNA level and of its target genes (Lalba and IL-4Rα) and increases the Ncoa1 mRNA expression and histone H3 acetylation level. Our results proved that HypoT alters the post-lactation MG epigenome and could compromise mammary functional differentiation.
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Affiliation(s)
- Fiorella Campo Verde
- Instituto de Medicina y Biología Experimental de Cuyo (IMBECU, CONICET) Mendoza, Argentina; Universidad de Mendoza, Facultad de Ciencias Médicas.
| | - Lourdes Inés Pascual
- Instituto de Medicina y Biología Experimental de Cuyo (IMBECU, CONICET) Mendoza, Argentina
| | - Daiana García
- Instituto de Medicina y Biología Experimental de Cuyo (IMBECU, CONICET) Mendoza, Argentina
| | - Irina Ortiz
- Instituto de Medicina y Biología Experimental de Cuyo (IMBECU, CONICET) Mendoza, Argentina
| | - Carlos Gamarra-Luques
- Instituto de Medicina y Biología Experimental de Cuyo (IMBECU, CONICET) Mendoza, Argentina; Universidad Nacional de Cuyo, Facultad de Ciencias Médicas, Mendoza Argentina
| | - Rubén Carón
- Instituto de Medicina y Biología Experimental de Cuyo (IMBECU, CONICET) Mendoza, Argentina
| | - María Belén Hapon
- Instituto de Medicina y Biología Experimental de Cuyo (IMBECU, CONICET) Mendoza, Argentina; Universidad Nacional de Cuyo, Facultad de Ciencias Exactas y Naturales, Mendoza Argentina
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4
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Huang P, Zhang X, Prabhu JS, Pandey V. Therapeutic vulnerabilities in triple negative breast cancer: Stem-like traits explored within molecular classification. Biomed Pharmacother 2024; 174:116584. [PMID: 38613998 DOI: 10.1016/j.biopha.2024.116584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 04/05/2024] [Accepted: 04/10/2024] [Indexed: 04/15/2024] Open
Abstract
Triple Negative Breast Cancer (TNBC) is the most aggressive type of breast cancer (BC). Despite advances in the clinical management of TNBC, recurrence-related mortality remains a challenge. The stem-like phenotype of TNBC plays a significant role in the persistence of minimal disease residue after therapy. Individuals exhibiting stem-like characteristics are particularly prone to inducing malignant relapse accompanied by strong resistance. Therefore, stem-like traits have been broadly proposed as therapeutic vulnerabilities to treat TNBC and reduce recurrence. However, heterogeneity within TNBC often generally restricts the stability of the therapeutic efficacy. To understand the heterogeneity and manage TNBC more precisely, multiple TNBC subtyping categories have been reported, providing the basis for profile-according therapeutic regimens. To provide more insight into targeting stem-like traits to ablate TNBC and reduce recurrence in the context of heterogeneity, this paper reviewed the molecular subtyping of TNBC, identified the consensus subtypes with distinct stem-like phenotypes, characterized the stemness hierarchy of TNBC, outlined the biological models for stem-like TNBC subtypes, summarized the therapeutic vulnerabilities in stem-like traits of the subtypes, and proposed potential therapeutic regimens targeting stem-like characteristics to improve TNBC prognosis.
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Affiliation(s)
- Peng Huang
- Tsinghua Berkeley Shenzhen Institute, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Xi Zhang
- Shenzhen Bay Laboratory, Shenzhen 518055, China
| | - Jyothi S Prabhu
- Division of Molecular Medicine, St. John's Research Institute, St. John's Medical College, Bangalore, India
| | - Vijay Pandey
- Tsinghua Berkeley Shenzhen Institute, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China; Institute of Biopharmaceutical and Health Engineering, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China.
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5
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Eden JA. Why does hormonal contraception and menopausal hormonal treatment have such a small effect on breast cancer risk? Aust N Z J Obstet Gynaecol 2024. [PMID: 38686660 DOI: 10.1111/ajo.13825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Accepted: 04/03/2024] [Indexed: 05/02/2024]
Abstract
Oestrogen is considered by many to be a major cause of breast cancer, and yet hormonal contraception and menopausal hormonal therapy have a paradoxically small effect on breast cancer risk. Also, in the oestrogen-only arm of the Women's Health Initiative, subjects given oestrogen had a reduced risk of breast cancer compared to controls. Initiation of breast cancer likely begins early in life, in the long-lived ER-PR- breast stem cell. The main mitogen of ER+PR+ breast cancers is oestrogen derived from local breast fat and the tumour itself, rather than circulating oestrogens. Progesterone is relatively breast neutral, but progestins in the laboratory have been shown to expand malignant breast stem cell number.
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Affiliation(s)
- John A Eden
- Royal Hospital for Women, University of NSW, Sydney, New South Wales, Australia
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6
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Waas M, Khoo A, Tharmapalan P, McCloskey CW, Govindarajan M, Zhang B, Khan S, Waterhouse PD, Khokha R, Kislinger T. Droplet-based proteomics reveals CD36 as a marker for progenitors in mammary basal epithelium. Cell Rep Methods 2024; 4:100741. [PMID: 38569541 PMCID: PMC11045875 DOI: 10.1016/j.crmeth.2024.100741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 02/28/2024] [Accepted: 03/06/2024] [Indexed: 04/05/2024]
Abstract
Deep proteomic profiling of rare cell populations has been constrained by sample input requirements. Here, we present DROPPS (droplet-based one-pot preparation for proteomic samples), an accessible low-input platform that generates high-fidelity proteomic profiles of 100-2,500 cells. By applying DROPPS within the mammary epithelium, we elucidated the connection between mitochondrial activity and clonogenicity, identifying CD36 as a marker of progenitor capacity in the basal cell compartment. We anticipate that DROPPS will accelerate biology-driven proteomic research for a multitude of rare cell populations.
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Affiliation(s)
- Matthew Waas
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2C1, Canada
| | - Amanda Khoo
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2C1, Canada; Department of Medical Biophysics, University of Toronto, Toronto, ON M5G 1L7, Canada
| | - Pirashaanthy Tharmapalan
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2C1, Canada; Department of Medical Biophysics, University of Toronto, Toronto, ON M5G 1L7, Canada
| | - Curtis W McCloskey
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2C1, Canada
| | - Meinusha Govindarajan
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2C1, Canada; Department of Medical Biophysics, University of Toronto, Toronto, ON M5G 1L7, Canada
| | - Bowen Zhang
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2C1, Canada; Department of Medical Biophysics, University of Toronto, Toronto, ON M5G 1L7, Canada
| | - Shahbaz Khan
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2C1, Canada
| | - Paul D Waterhouse
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2C1, Canada
| | - Rama Khokha
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2C1, Canada; Department of Medical Biophysics, University of Toronto, Toronto, ON M5G 1L7, Canada.
| | - Thomas Kislinger
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2C1, Canada; Department of Medical Biophysics, University of Toronto, Toronto, ON M5G 1L7, Canada.
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7
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Kwon HC, Jung HS, Kim DH, Han JH, Han SG. The Role of Progesterone in Elf5 Activation and Milk Component Synthesis for Cell-Cultured Milk Production in MAC-T Cells. Animals (Basel) 2024; 14:642. [PMID: 38396610 PMCID: PMC10886090 DOI: 10.3390/ani14040642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Revised: 02/12/2024] [Accepted: 02/16/2024] [Indexed: 02/25/2024] Open
Abstract
Prolactin is essential for mammary gland development and lactation. Progesterone also induces ductal branching and alveolar formation via initial secretory differentiation within the mammary gland. Herein, we aimed to evaluate the role of progesterone as a prolactin substitute for the production of cell-cultured milk components in MAC-T cells. Cells were treated with various hormones such as prolactin (PRL), progesterone (P4), 17β-estradiol (E2), cortisol (COR), and insulin (INS) for 5 d. MAC-T cells cultured in a P4 differentiation media (2500 ng/mL of P4, 25 ng/mL of E2, 25 ng/mL of COR, and 25 ng/mL of INS) showed similar levels of E74-like factor 5 (Elf5) and milk component synthesis (α-casein, β-casein, α-lactalbumin, β-lactoglobulin, and triglycerides) compared to those cultured in a PRL differentiation media (5000 ng/mL of PRL, 500 ng/mL of CORT, and 50 ng/mL of INS). The levels of α-casein and triglycerides in the optimal P4 differentiation media were present at comparable levels to those in the PRL differentiation media. Our results demonstrated that P4 induces the activation of Elf5 and the synthesis of milk components in MAC-T cells, similar to PRL. Therefore, P4 may be used as an effective substitute of PRL for cell-cultured milk production in in vitro frameworks.
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Affiliation(s)
| | | | | | | | - Sung Gu Han
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea; (H.C.K.); (H.S.J.); (D.H.K.); (J.H.H.)
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8
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Li H, Seada H, Madnick S, Zhao H, Chen Z, Li F, Zhu F, Hall S, Boekelheide K. Machine learning-assisted high-content imaging analysis of 3D MCF7 microtissues for estrogenic effect prediction. Sci Rep 2024; 14:2999. [PMID: 38316851 PMCID: PMC10844358 DOI: 10.1038/s41598-024-53323-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 01/30/2024] [Indexed: 02/07/2024] Open
Abstract
Endocrine-disrupting chemicals (EDCs) pose a significant threat to human well-being and the ecosystem. However, in managing the many thousands of uncharacterized chemical entities, the high-throughput screening of EDCs using relevant biological endpoints remains challenging. Three-dimensional (3D) culture technology enables the development of more physiologically relevant systems in more realistic biochemical microenvironments. The high-content and quantitative imaging techniques enable quantifying endpoints associated with cell morphology, cell-cell interaction, and microtissue organization. In the present study, 3D microtissues formed by MCF-7 breast cancer cells were exposed to the model EDCs estradiol (E2) and propyl pyrazole triol (PPT). A 3D imaging and image analysis pipeline was established to extract quantitative image features from estrogen-exposed microtissues. Moreover, a machine-learning classification model was built using estrogenic-associated differential imaging features. Based on 140 common differential image features found between the E2 and PPT group, the classification model predicted E2 and PPT exposure with AUC-ROC at 0.9528 and 0.9513, respectively. Deep learning-assisted analysis software was developed to characterize microtissue gland lumen formation. The fully automated tool can accurately characterize the number of identified lumens and the total luminal volume of each microtissue. Overall, the current study established an integrated approach by combining non-supervised image feature profiling and supervised luminal volume characterization, which reflected the complexity of functional ER signaling and highlighted a promising conceptual framework for estrogenic EDC risk assessment.
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Affiliation(s)
- Hui Li
- College of Pharmaceutical Sciences, Center for Drug Safety Evaluation and Research of Zhejiang University, Zhejiang University, 866 Yuhangtang Rd, Hangzhou, 310058, China.
- Department of Pathology and Laboratory Medicine, Brown University, 70 Ship Street, Providence, RI, 02903, USA.
| | - Haitham Seada
- Department of Pathology and Laboratory Medicine, Brown University, 70 Ship Street, Providence, RI, 02903, USA
| | - Samantha Madnick
- Department of Pathology and Laboratory Medicine, Brown University, 70 Ship Street, Providence, RI, 02903, USA
| | - He Zhao
- College of Pharmaceutical Sciences, Center for Drug Safety Evaluation and Research of Zhejiang University, Zhejiang University, 866 Yuhangtang Rd, Hangzhou, 310058, China
| | - Zhaozeng Chen
- College of Pharmaceutical Sciences, Center for Drug Safety Evaluation and Research of Zhejiang University, Zhejiang University, 866 Yuhangtang Rd, Hangzhou, 310058, China
| | - Fengcheng Li
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Feng Zhu
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Susan Hall
- Department of Pathology and Laboratory Medicine, Brown University, 70 Ship Street, Providence, RI, 02903, USA
| | - Kim Boekelheide
- Department of Pathology and Laboratory Medicine, Brown University, 70 Ship Street, Providence, RI, 02903, USA.
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9
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Caputo A, Vipparthi K, Bazeley P, Downs-Kelly E, McIntire P, Duckworth LA, Ni Y, Hu B, Keri RA, Karaayvaz M. Spatial Transcriptomics Suggests That Alterations Occur in the Preneoplastic Breast Microenvironment of BRCA1/2 Mutation Carriers. Mol Cancer Res 2024; 22:169-180. [PMID: 37878345 PMCID: PMC10872731 DOI: 10.1158/1541-7786.mcr-23-0489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 08/28/2023] [Accepted: 10/23/2023] [Indexed: 10/26/2023]
Abstract
Breast cancer is the most common cancer in females, affecting one in every eight women and accounting for the majority of cancer-related deaths in women worldwide. Germline mutations in the BRCA1 and BRCA2 genes are significant risk factors for specific subtypes of breast cancer. BRCA1 mutations are associated with basal-like breast cancers, whereas BRCA2 mutations are associated with luminal-like disease. Defects in mammary epithelial cell differentiation have been previously recognized in germline BRCA1/2 mutation carriers even before cancer incidence. However, the underlying mechanism is largely unknown. Here, we employ spatial transcriptomics to investigate defects in mammary epithelial cell differentiation accompanied by distinct microenvironmental alterations in preneoplastic breast tissues from BRCA1/2 mutation carriers and normal breast tissues from noncarrier controls. We uncovered spatially defined receptor-ligand interactions in these tissues for the investigation of autocrine and paracrine signaling. We discovered that β1-integrin-mediated autocrine signaling in BRCA2-deficient mammary epithelial cells may differ from BRCA1-deficient mammary epithelial cells. In addition, we found that the epithelial-to-stromal paracrine signaling in the breast tissues of BRCA1/2 mutation carriers is greater than in control tissues. More integrin-ligand pairs were differentially correlated in BRCA1/2-mutant breast tissues than noncarrier breast tissues with more integrin receptor-expressing stromal cells. IMPLICATIONS These results suggest alterations in the communication between mammary epithelial cells and the microenvironment in BRCA1 and BRCA2 mutation carriers, laying the foundation for designing innovative breast cancer chemo-prevention strategies for high-risk patients.
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Affiliation(s)
- Anthony Caputo
- Genomic Medicine Institute, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Kavya Vipparthi
- Genomic Medicine Institute, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Peter Bazeley
- Department of Quantitative Health Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Erinn Downs-Kelly
- Department of Pathology, Pathology & Laboratory Medicine Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Patrick McIntire
- Department of Pathology, Pathology & Laboratory Medicine Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Lauren A. Duckworth
- Department of Pathology, Pathology & Laboratory Medicine Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Ying Ni
- Center for Immunotherapy & Precision Immuno-Oncology, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Bo Hu
- Department of Quantitative Health Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Ruth A. Keri
- Department of Cancer Biology, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
- Case Comprehensive Cancer Center, Case Western Reserve University School of Medicine, Cleveland, OH, USA
- Department of Molecular Medicine, Cleveland Clinic Lerner College of Medicine, Case Western Reserve University, Cleveland, OH, USA
| | - Mihriban Karaayvaz
- Genomic Medicine Institute, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
- Case Comprehensive Cancer Center, Case Western Reserve University School of Medicine, Cleveland, OH, USA
- Department of Molecular Medicine, Cleveland Clinic Lerner College of Medicine, Case Western Reserve University, Cleveland, OH, USA
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10
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Tessier CE, Dupuy AMM, Pelé T, Juin PP, Lees JA, Guen VJ. EMT and primary ciliogenesis: For better or worse in sickness and in health. Genesis 2024; 62:e23568. [PMID: 37946671 DOI: 10.1002/dvg.23568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 08/23/2023] [Accepted: 10/13/2023] [Indexed: 11/12/2023]
Abstract
Epithelial-mesenchymal transition (EMT) and primary ciliogenesis are two cell-biological programs that are essential for development of multicellular organisms and whose abnormal regulation results in many diseases (i.e., developmental anomalies and cancers). Emerging studies suggest an intricate interplay between these two processes. Here, we discuss physiological and pathological contexts in which their interconnections promote normal development or disease progression. We describe underlying molecular mechanisms of the interplay and EMT/ciliary signaling axes that influence EMT-related processes (i.e., stemness, motility and invasion). Understanding the molecular and cellular mechanisms of the relationship between EMT and primary ciliogenesis may provide new insights in the etiology of diseases related to EMT and cilia dysfunction.
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Affiliation(s)
- Camille E Tessier
- Nantes Université, Inserm, CNRS, Université d'Angers, CRCI2NA, Nantes, France
| | - Aurore M M Dupuy
- Nantes Université, Inserm, CNRS, Université d'Angers, CRCI2NA, Nantes, France
| | - Thomas Pelé
- Nantes Université, Inserm, CNRS, Université d'Angers, CRCI2NA, Nantes, France
| | - Philippe P Juin
- Nantes Université, Inserm, CNRS, Université d'Angers, CRCI2NA, Nantes, France
- ICO René Gauducheau, Saint Herblain, France
| | - Jacqueline A Lees
- Koch Institute for Integrative Cancer Research @ MIT, Cambridge, Massachusetts, USA
| | - Vincent J Guen
- Nantes Université, Inserm, CNRS, Université d'Angers, CRCI2NA, Nantes, France
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11
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Ren S, Bai F, Schnell V, Stanko C, Ritsch M, Schenk T, Barth E, Marz M, Wang B, Pei XH, Bierhoff H. PAPAS promotes differentiation of mammary epithelial cells and suppresses breast carcinogenesis. Cell Rep 2024; 43:113644. [PMID: 38180837 DOI: 10.1016/j.celrep.2023.113644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 10/18/2023] [Accepted: 12/19/2023] [Indexed: 01/07/2024] Open
Abstract
Extensive remodeling of the female mammary epithelium during development and pregnancy has been linked to cancer susceptibility. The faithful response of mammary epithelial cells (MECs) to hormone signaling is key to avoiding breast cancer development. Here, we show that lactogenic differentiation of murine MECs requires silencing of genes encoding ribosomal RNA (rRNA) by the antisense transcript PAPAS. Accordingly, knockdown of PAPAS derepresses rRNA genes, attenuates the response to lactogenic hormones, and induces malignant transformation. Restoring PAPAS levels in breast cancer cells reduces tumorigenicity and lung invasion and activates many interferon-regulated genes previously linked to metastasis suppression. Mechanistically, PAPAS transcription depends on R-loop formation at the 3' end of rRNA genes, which is repressed by RNase H1 and replication protein A (RPA) overexpression in breast cancer cells. Depletion of PAPAS and upregulation of RNase H1 and RPA in human breast cancer underpin the clinical relevance of our findings.
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Affiliation(s)
- Sijia Ren
- Institute of Biochemistry and Biophysics, Center for Molecular Biomedicine (CMB), Friedrich Schiller University Jena, Hans-Knöll-Str. 2, 07745 Jena, Germany; Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, International Cancer Center, Marshall Laboratory of Biomedical Engineering, Department of Anatomy and Histology, Shenzhen University Medical School, Shenzhen 518060, China; Leibniz-Institute on Aging-Fritz Lipmann Institute (FLI), Beutenbergstr. 11, 07745 Jena, Germany
| | - Feng Bai
- Department of Pathology, Shenzhen University Medical School, Shenzhen 518060, China
| | - Viviane Schnell
- Institute of Biochemistry and Biophysics, Center for Molecular Biomedicine (CMB), Friedrich Schiller University Jena, Hans-Knöll-Str. 2, 07745 Jena, Germany; Leibniz-Institute on Aging-Fritz Lipmann Institute (FLI), Beutenbergstr. 11, 07745 Jena, Germany
| | - Clara Stanko
- Department of Hematology and Medical Oncology, Jena University Hospital, Am Klinikum 1, 07747 Jena, Germany; Institute of Molecular Cell Biology, Center for Molecular Biomedicine (CMB), Jena University Hospital, Jena, Hans-Knöll-Str. 2, 07745 Jena, Germany
| | - Muriel Ritsch
- Bioinformatics Core Facility Jena, Friedrich Schiller University Jena, Leutragraben 1, 07743 Jena, Germany; RNA Bioinformatics/High Throughput Analysis, Faculty of Mathematics and Computer Science, Leutragraben 1, 07743 Jena, Germany
| | - Tino Schenk
- Department of Hematology and Medical Oncology, Jena University Hospital, Am Klinikum 1, 07747 Jena, Germany; Institute of Molecular Cell Biology, Center for Molecular Biomedicine (CMB), Jena University Hospital, Jena, Hans-Knöll-Str. 2, 07745 Jena, Germany
| | - Emanuel Barth
- Bioinformatics Core Facility Jena, Friedrich Schiller University Jena, Leutragraben 1, 07743 Jena, Germany; RNA Bioinformatics/High Throughput Analysis, Faculty of Mathematics and Computer Science, Leutragraben 1, 07743 Jena, Germany
| | - Manja Marz
- Bioinformatics Core Facility Jena, Friedrich Schiller University Jena, Leutragraben 1, 07743 Jena, Germany; RNA Bioinformatics/High Throughput Analysis, Faculty of Mathematics and Computer Science, Leutragraben 1, 07743 Jena, Germany
| | - Bin Wang
- Department of General Surgery, Shenzhen Children's Hospital, Shenzhen 518060, China
| | - Xin-Hai Pei
- Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, International Cancer Center, Marshall Laboratory of Biomedical Engineering, Department of Anatomy and Histology, Shenzhen University Medical School, Shenzhen 518060, China.
| | - Holger Bierhoff
- Institute of Biochemistry and Biophysics, Center for Molecular Biomedicine (CMB), Friedrich Schiller University Jena, Hans-Knöll-Str. 2, 07745 Jena, Germany; Leibniz-Institute on Aging-Fritz Lipmann Institute (FLI), Beutenbergstr. 11, 07745 Jena, Germany.
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12
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Liu C, Xu Y, Yang G, Tao Y, Chang J, Wang S, Cheung TH, Chen J, Zeng YA. Niche inflammatory signals control oscillating mammary regeneration and protect stem cells from cytotoxic stress. Cell Stem Cell 2024; 31:89-105.e6. [PMID: 38141612 DOI: 10.1016/j.stem.2023.11.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Revised: 09/03/2023] [Accepted: 11/29/2023] [Indexed: 12/25/2023]
Abstract
Stem cells are known for their resilience and enhanced activity post-stress. The mammary gland undergoes frequent remodeling and is subjected to recurring stress during the estrus cycle, but it remains unclear how mammary stem cells (MaSCs) respond to the stress and contribute to regeneration. We discovered that cytotoxic stress-induced activation of CD11c+ ductal macrophages aids stem cell survival and prevents differentiation. These macrophages boost Procr+ MaSC activity through IL1β-IL1R1-NF-κB signaling during the estrus cycle in an oscillating manner. Deleting IL1R1 in MaSCs results in stem cell loss and skewed luminal differentiation. Moreover, under cytotoxic stress from the chemotherapy agent paclitaxel, ductal macrophages secrete higher IL1β levels, promoting MaSC survival and preventing differentiation. Inhibiting IL1R1 sensitizes MaSCs to paclitaxel. Our findings reveal a recurring inflammatory process that regulates regeneration, providing insights into stress-induced inflammation and its impact on stem cell survival, potentially affecting cancer therapy efficacy.
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Affiliation(s)
- Chunye Liu
- Key Laboratory of Systems Health Science of Zhejiang Province, School of Life Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China; New Cornerstone Science Laboratory, State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
| | - Yishu Xu
- New Cornerstone Science Laboratory, State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
| | - Guowei Yang
- Key Laboratory of Systems Health Science of Zhejiang Province, School of Life Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
| | - Yu Tao
- New Cornerstone Science Laboratory, State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
| | - Jiali Chang
- New Cornerstone Science Laboratory, State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
| | - Shihui Wang
- New Cornerstone Science Laboratory, State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
| | - Tom H Cheung
- Division of Life Science, Center for Stem Cell Research Center for Systems Biology and Human Health, the State Key Laboratory of Molecular Neuroscience, and Molecular Neuroscience Center, Hong Kong University of Science and Technology, Kowloon, Hong Kong, China; Hong Kong Center for Neurodegenerative Diseases, Hong Kong, China; Guangdong Provincial Key Laboratory of Brain Science, Disease and Drug Development, HKUST Shenzhen Research Institute, Shenzhen-Hong Kong Institute of Brain Science, Shenzhen 518057, Guangdong, China
| | - Jianfeng Chen
- Key Laboratory of Systems Health Science of Zhejiang Province, School of Life Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China; New Cornerstone Science Laboratory, State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China.
| | - Yi Arial Zeng
- Key Laboratory of Systems Health Science of Zhejiang Province, School of Life Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China; New Cornerstone Science Laboratory, State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China.
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13
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Coradini D. Impact of De Novo Cholesterol Biosynthesis on the Initiation and Progression of Breast Cancer. Biomolecules 2024; 14:64. [PMID: 38254664 PMCID: PMC10813427 DOI: 10.3390/biom14010064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 12/26/2023] [Accepted: 01/01/2024] [Indexed: 01/24/2024] Open
Abstract
Cholesterol (CHOL) is a multifaceted lipid molecule. It is an essential structural component of cell membranes, where it cooperates in regulating the intracellular trafficking and signaling pathways. Additionally, it serves as a precursor for vital biomolecules, including steroid hormones, isoprenoids, vitamin D, and bile acids. Although CHOL is normally uptaken from the bloodstream, cells can synthesize it de novo in response to an increased requirement due to physiological tissue remodeling or abnormal proliferation, such as in cancer. Cumulating evidence indicated that increased CHOL biosynthesis is a common feature of breast cancer and is associated with the neoplastic transformation of normal mammary epithelial cells. After an overview of the multiple biological activities of CHOL and its derivatives, this review will address the impact of de novo CHOL production on the promotion of breast cancer with a focus on mammary stem cells. The review will also discuss the effect of de novo CHOL production on in situ and invasive carcinoma and its impact on the response to adjuvant treatment. Finally, the review will discuss the present and future therapeutic strategies to normalize CHOL biosynthesis.
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Affiliation(s)
- Danila Coradini
- Laboratory of Medical Statistics and Biometry, "Giulio A. Maccacaro", Department of Clinical Sciences and Community Health, University of Milan, Campus Cascina Rosa, 20133 Milan, Italy
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14
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Yang X, Xu H, Yang X, Wang H, Zou L, Yang Q, Qi X, Li L, Duan H, Yan X, Fu NY, Tan J, Hou Z, Jiao B. Mcam inhibits macrophage-mediated development of mammary gland through non-canonical Wnt signaling. Nat Commun 2024; 15:36. [PMID: 38167296 PMCID: PMC10761817 DOI: 10.1038/s41467-023-44338-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Accepted: 12/08/2023] [Indexed: 01/05/2024] Open
Abstract
While canonical Wnt signaling is well recognized for its crucial regulatory functions in cell fate decisions, the role of non-canonical Wnt signaling in adult stem cells remains elusive and contradictory. Here, we identified Mcam, a potential member of the non-canonical Wnt signaling, as an important negative regulator of mammary gland epithelial cells (MECs) by genome-scale CRISPR-Cas9 knockout (GeCKO) library screening. Loss of Mcam increases the clonogenicity and regenerative capacity of MECs, and promotes the proliferation, differentiation, and ductal morphogenesis of mammary epithelial in knockout mice. Mechanically, Mcam knockout recruits and polarizes macrophages through the Il4-Stat6 axis, thereby promoting secretion of the non-canonical Wnt ligand Wnt5a and its binding to the non-canonical Wnt signaling receptor Ryk to induce the above phenotypes. These findings reveal Mcam roles in mammary gland development by orchestrating communications between MECs and macrophages via a Wnt5a/Ryk axis, providing evidences for non-canonical Wnt signaling in mammary development.
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Affiliation(s)
- Xing Yang
- Yan'an Hospital Affiliated to Kunming Medical University, Kunming, Yunnan, 650051, China
- Key Laboratory of Tumor Immunological Prevention and Treatment of Yunnan Province, Kunming, Yunnan, 650051, China
- Key Laboratory of Genetic Evolution & Animal Models (Chinese Academy of Sciences), Chinese Academy of Sciences, Kunming, Yunnan, 650201, China
| | - Haibo Xu
- Key Laboratory of Genetic Evolution & Animal Models (Chinese Academy of Sciences), Chinese Academy of Sciences, Kunming, Yunnan, 650201, China
| | - Xu Yang
- Key Laboratory of Genetic Evolution & Animal Models (Chinese Academy of Sciences), Chinese Academy of Sciences, Kunming, Yunnan, 650201, China
| | - Hui Wang
- Key Laboratory of Genetic Evolution & Animal Models (Chinese Academy of Sciences), Chinese Academy of Sciences, Kunming, Yunnan, 650201, China
| | - Li Zou
- Key Laboratory of Genetic Evolution & Animal Models (Chinese Academy of Sciences), Chinese Academy of Sciences, Kunming, Yunnan, 650201, China
| | - Qin Yang
- Key Laboratory of Genetic Evolution & Animal Models (Chinese Academy of Sciences), Chinese Academy of Sciences, Kunming, Yunnan, 650201, China
| | - Xiaopeng Qi
- Key Laboratory of Genetic Evolution & Animal Models (Chinese Academy of Sciences), Chinese Academy of Sciences, Kunming, Yunnan, 650201, China
| | - Li Li
- Research Center of Stem cells and Ageing, Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing, 400714, China
| | - Hongxia Duan
- Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100000, China
| | - Xiyun Yan
- Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100000, China
| | - Nai Yang Fu
- Cancer and Stem Cell Biology Program, Duke-NUS Medical School, Singapore, 169857, Singapore
- ACRF Cancer Biology and Stem Cells Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, 3052, Australia
| | - Jing Tan
- Yan'an Hospital Affiliated to Kunming Medical University, Kunming, Yunnan, 650051, China.
- Key Laboratory of Tumor Immunological Prevention and Treatment of Yunnan Province, Kunming, Yunnan, 650051, China.
| | - Zongliu Hou
- Yan'an Hospital Affiliated to Kunming Medical University, Kunming, Yunnan, 650051, China.
- Key Laboratory of Tumor Immunological Prevention and Treatment of Yunnan Province, Kunming, Yunnan, 650051, China.
| | - Baowei Jiao
- Key Laboratory of Genetic Evolution & Animal Models (Chinese Academy of Sciences), Chinese Academy of Sciences, Kunming, Yunnan, 650201, China.
- KIZ-CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, 650201, China.
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15
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Torborg SR, Grbovic-Huezo O, Singhal A, Holm M, Wu K, Han X, Ho YJ, Haglund C, Mitchell MJ, Lowe SW, Dow LE, Pitter KL, Sanchez-Rivera FJ, Levchenko A, Tammela T. Solid tumor growth depends on an intricate equilibrium of malignant cell states. bioRxiv 2023:2023.12.30.573100. [PMID: 38234855 PMCID: PMC10793475 DOI: 10.1101/2023.12.30.573100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2024]
Abstract
Control of cell identity and number is central to tissue function, yet principles governing organization of malignant cells in tumor tissues remain poorly understood. Using mathematical modeling and candidate-based analysis, we discover primary and metastatic pancreatic ductal adenocarcinoma (PDAC) organize in a stereotypic pattern whereby PDAC cells responding to WNT signals (WNT-R) neighbor WNT-secreting cancer cells (WNT-S). Leveraging lineage-tracing, we reveal the WNT-R state is transient and gives rise to the WNT-S state that is highly stable and committed to organizing malignant tissue. We further show that a subset of WNT-S cells expressing the Notch ligand DLL1 form a functional niche for WNT-R cells. Genetic inactivation of WNT secretion or Notch pathway components, or cytoablation of the WNT-S state disrupts PDAC tissue organization, suppressing tumor growth and metastasis. This work indicates PDAC growth depends on an intricately controlled equilibrium of functionally distinct cancer cell states, uncovering a fundamental principle governing solid tumor growth and revealing new opportunities for therapeutic intervention.
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16
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Zakic T, Pekovic-Vaughan V, Cvoro A, Korac A, Jankovic A, Korac B. Redox and metabolic reprogramming in breast cancer and cancer-associated adipose tissue. FEBS Lett 2023. [PMID: 38140817 DOI: 10.1002/1873-3468.14794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 12/06/2023] [Accepted: 12/11/2023] [Indexed: 12/24/2023]
Abstract
Redox and metabolic processes are tightly coupled in both physiological and pathological conditions. In cancer, their integration occurs at multiple levels and is characterized by synchronized reprogramming both in the tumor tissue and its specific but heterogeneous microenvironment. In breast cancer, the principal microenvironment is the cancer-associated adipose tissue (CAAT). Understanding how the redox-metabolic reprogramming becomes coordinated in human breast cancer is imperative both for cancer prevention and for the establishment of new therapeutic approaches. This review aims to provide an overview of the current knowledge of the redox profiles and regulation of intermediary metabolism in breast cancer while considering the tumor and CAAT of breast cancer as a unique Warburg's pseudo-organ. As cancer is now recognized as a systemic metabolic disease, we have paid particular attention to the cell-specific redox-metabolic reprogramming and the roles of estrogen receptors and circadian rhythms, as well as their crosstalk in the development, growth, progression, and prognosis of breast cancer.
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Affiliation(s)
- Tamara Zakic
- Institute for Biological Research "Sinisa Stankovic"-National Institute of Republic of Serbia, University of Belgrade, Serbia
| | - Vanja Pekovic-Vaughan
- Institute of Life Course and Medical Sciences, Faculty of Health and Life Sciences, William Henry Duncan Building, University of Liverpool, UK
| | | | | | - Aleksandra Jankovic
- Institute for Biological Research "Sinisa Stankovic"-National Institute of Republic of Serbia, University of Belgrade, Serbia
| | - Bato Korac
- Institute for Biological Research "Sinisa Stankovic"-National Institute of Republic of Serbia, University of Belgrade, Serbia
- Faculty of Biology, University of Belgrade, Serbia
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17
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Knutsen E, Das Sajib S, Fiskaa T, Lorens J, Gudjonsson T, Mælandsmo GM, Johansen SD, Seternes OM, Perander M. Identification of a core EMT signature that separates basal-like breast cancers into partial- and post-EMT subtypes. Front Oncol 2023; 13:1249895. [PMID: 38111531 PMCID: PMC10726128 DOI: 10.3389/fonc.2023.1249895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Accepted: 11/13/2023] [Indexed: 12/20/2023] Open
Abstract
Epithelial-mesenchymal transition (EMT) is a cellular plasticity program critical for embryonic development and tissue regeneration, and aberrant EMT is associated with disease including cancer. The high degree of plasticity in the mammary epithelium is reflected in extensive heterogeneity among breast cancers. Here, we have analyzed RNA-sequencing data from three different mammary epithelial cell line-derived EMT models and identified a robust mammary EMT gene expression signature that separates breast cancers into distinct subgroups. Most strikingly, the basal-like breast cancers form two subgroups displaying partial-EMT and post-EMT gene expression patterns. We present evidence that key EMT-associated transcription factors play distinct roles at different stages of EMT in mammary epithelial cells.
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Affiliation(s)
- Erik Knutsen
- Department of Medical Biology, Faculty of Health Sciences, UiT the Arctic University of Norway, Tromsø, Norway
- Centre for Clinical Research and Education, University Hospital of North Norway, Tromsø, Norway
| | - Saikat Das Sajib
- Department of Medical Biology, Faculty of Health Sciences, UiT the Arctic University of Norway, Tromsø, Norway
| | - Tonje Fiskaa
- Department of Medical Biology, Faculty of Health Sciences, UiT the Arctic University of Norway, Tromsø, Norway
| | - James Lorens
- Department of Biomedicine, University of Bergen, Bergen, Norway
| | - Thorarinn Gudjonsson
- Department of Anatomy, Faculty of Medicine, School of Health Sciences, University of Iceland, Reykjavik, Iceland
- Department of Hematology, Landspitali, University Hospital, Reykjavik, Iceland
| | - Gunhild M. Mælandsmo
- Department of Medical Biology, Faculty of Health Sciences, UiT the Arctic University of Norway, Tromsø, Norway
- Department of Tumor Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
| | - Steinar Daae Johansen
- Department of Medical Biology, Faculty of Health Sciences, UiT the Arctic University of Norway, Tromsø, Norway
- Genomics Division, Faculty of Bioscience and Aquaculture, Nord University, Bodø, Norway
| | - Ole-Morten Seternes
- Department of Pharmacy, Faculty of Health Sciences, UiT The Arctic University of Norway, Tromsø, Norway
| | - Maria Perander
- Department of Medical Biology, Faculty of Health Sciences, UiT the Arctic University of Norway, Tromsø, Norway
- Centre for Clinical Research and Education, University Hospital of North Norway, Tromsø, Norway
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18
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Li M, Nishimura T, Takeuchi Y, Hongu T, Wang Y, Shiokawa D, Wang K, Hirose H, Sasahara A, Yano M, Ishikawa S, Inokuchi M, Ota T, Tanabe M, Tada KI, Akiyama T, Cheng X, Liu CC, Yamashita T, Sugano S, Uchida Y, Chiba T, Asahara H, Nakagawa M, Sato S, Miyagi Y, Shimamura T, Nagai LAE, Kanai A, Katoh M, Nomura S, Nakato R, Suzuki Y, Tojo A, Voon DC, Ogawa S, Okamoto K, Foukakis T, Gotoh N. FXYD3 functionally demarcates an ancestral breast cancer stem cell subpopulation with features of drug-tolerant persisters. J Clin Invest 2023; 133:e166666. [PMID: 37966117 PMCID: PMC10645391 DOI: 10.1172/jci166666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Accepted: 09/21/2023] [Indexed: 11/16/2023] Open
Abstract
The heterogeneity of cancer stem cells (CSCs) within tumors presents a challenge in therapeutic targeting. To decipher the cellular plasticity that fuels phenotypic heterogeneity, we undertook single-cell transcriptomics analysis in triple-negative breast cancer (TNBC) to identify subpopulations in CSCs. We found a subpopulation of CSCs with ancestral features that is marked by FXYD domain-containing ion transport regulator 3 (FXYD3), a component of the Na+/K+ pump. Accordingly, FXYD3+ CSCs evolve and proliferate, while displaying traits of alveolar progenitors that are normally induced during pregnancy. Clinically, FXYD3+ CSCs were persistent during neoadjuvant chemotherapy, hence linking them to drug-tolerant persisters (DTPs) and identifying them as crucial therapeutic targets. Importantly, FXYD3+ CSCs were sensitive to senolytic Na+/K+ pump inhibitors, such as cardiac glycosides. Together, our data indicate that FXYD3+ CSCs with ancestral features are drivers of plasticity and chemoresistance in TNBC. Targeting the Na+/K+ pump could be an effective strategy to eliminate CSCs with ancestral and DTP features that could improve TNBC prognosis.
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Affiliation(s)
- Mengjiao Li
- Division of Cancer Cell Biology, Cancer Research Institute, and
| | | | - Yasuto Takeuchi
- Division of Cancer Cell Biology, Cancer Research Institute, and
- Institute for Frontier Science Initiative, Kanazawa University, Kanazawa City, Japan
| | - Tsunaki Hongu
- Division of Cancer Cell Biology, Cancer Research Institute, and
| | - Yuming Wang
- Division of Cancer Cell Biology, Cancer Research Institute, and
| | - Daisuke Shiokawa
- Division of Cancer Differentiation, National Cancer Center Research Institute, Chuo-ku, Tokyo, Japan
| | - Kang Wang
- Department of Oncology-Pathology, Karolinska Institute, Karolinska University Hospital, Stockholm, Sweden
| | - Haruka Hirose
- Division of Systems Biology, Graduate School of Medicine, Nagoya University, Nagoya City, Japan
| | - Asako Sasahara
- Department of Breast and Endocrine Surgery, Graduate School of Medicine, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
| | - Masao Yano
- Department of Surgery, Minami-machida Hospital, Machida City, Tokyo, Japan
| | - Satoko Ishikawa
- Department of Breast Oncology, Kanazawa University Hospital, Kanazawa City, Japan
| | - Masafumi Inokuchi
- Department of Breast Oncology, Kanazawa University Hospital, Kanazawa City, Japan
| | - Tetsuo Ota
- Department of Breast Oncology, Kanazawa University Hospital, Kanazawa City, Japan
| | - Masahiko Tanabe
- Department of Breast and Endocrine Surgery, Graduate School of Medicine, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
| | - Kei-ichiro Tada
- Department of Breast and Endocrine Surgery, Nihon University, Itabashi-ku, Tokyo, Japan
| | - Tetsu Akiyama
- Laboratory of Molecular and Genetic Information, Institute for Quantitative Biosciences, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
| | - Xi Cheng
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Chia-Chi Liu
- North Shore Heart Research Group, Kolling Institute, University of Sydney, Sydney, New South Wales, Australia
| | - Toshinari Yamashita
- Department of Breast and Endocrine Surgery, Kanagawa Cancer Center, Yokohama City, Kanagawa, Japan
| | - Sumio Sugano
- Tokyo Medical and Dental University, Bunkyo-ku, Tokyo, Japan
| | - Yutaro Uchida
- Department of Systems Biomedicine, Tokyo Medical and Dental University, Bunkyo-ku, Tokyo, Japan
| | - Tomoki Chiba
- Department of Systems Biomedicine, Tokyo Medical and Dental University, Bunkyo-ku, Tokyo, Japan
| | - Hiroshi Asahara
- Department of Systems Biomedicine, Tokyo Medical and Dental University, Bunkyo-ku, Tokyo, Japan
| | - Masahiro Nakagawa
- Department of Pathology and Tumor Biology, Graduate School of Medicine, Kyoto University, Sakyo-ku, Kyoto, Japan
| | - Shinya Sato
- Molecular Pathology and Genetics Division, Kanagawa Cancer Center Research Institute, Yokohama City, Kanagawa, Japan
| | - Yohei Miyagi
- Molecular Pathology and Genetics Division, Kanagawa Cancer Center Research Institute, Yokohama City, Kanagawa, Japan
| | - Teppei Shimamura
- Division of Systems Biology, Graduate School of Medicine, Nagoya University, Nagoya City, Japan
| | | | - Akinori Kanai
- Department of Computational Biology and Medical Sciences, Graduate School of Frontier Biosciences
| | - Manami Katoh
- Department of Cardiovascular Medicine, Graduate School of Medicine
- Genome Science Division, Research Center for Advanced Science and Technology
| | - Seitaro Nomura
- Department of Cardiovascular Medicine, Graduate School of Medicine
- Genome Science Division, Research Center for Advanced Science and Technology
- Department of Frontier Cardiovascular Science, Graduate School of Medicine, and
| | - Ryuichiro Nakato
- Laboratory of Computational Genomics, Institute for Quantitative Biosciences
| | - Yutaka Suzuki
- Department of Computational Biology and Medical Sciences, Graduate School of Frontier Biosciences
| | - Arinobu Tojo
- Tokyo Medical and Dental University, Bunkyo-ku, Tokyo, Japan
- Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Dominic C. Voon
- Institute for Frontier Science Initiative, Kanazawa University, Kanazawa City, Japan
- Inflammation and Epithelial Plasticity Unit, Cancer Research Institute, Kanazawa University, Kanazawa City, Japan
| | - Seishi Ogawa
- Department of Pathology and Tumor Biology, Graduate School of Medicine, Kyoto University, Sakyo-ku, Kyoto, Japan
| | - Koji Okamoto
- Division of Cancer Differentiation, National Cancer Center Research Institute, Chuo-ku, Tokyo, Japan
- Advanced Comprehensive Research Organization, Teikyo University, Itabashi-ku, Tokyo, Japan
| | - Theodoros Foukakis
- Department of Oncology-Pathology, Karolinska Institute, Karolinska University Hospital, Stockholm, Sweden
| | - Noriko Gotoh
- Division of Cancer Cell Biology, Cancer Research Institute, and
- Institute for Frontier Science Initiative, Kanazawa University, Kanazawa City, Japan
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19
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Milevskiy MJ, Coughlan HD, Kane SR, Johanson TM, Kordafshari S, Chan WF, Tsai M, Surgenor E, Wilcox S, Allan RS, Chen Y, Lindeman GJ, Smyth GK, Visvader JE. Three-dimensional genome architecture coordinates key regulators of lineage specification in mammary epithelial cells. Cell Genom 2023; 3:100424. [PMID: 38020976 PMCID: PMC10667557 DOI: 10.1016/j.xgen.2023.100424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 06/20/2023] [Accepted: 09/20/2023] [Indexed: 12/01/2023]
Abstract
Although lineage-specific genes have been identified in the mammary gland, little is known about the contribution of the 3D genome organization to gene regulation in the epithelium. Here, we describe the chromatin landscape of the three major epithelial subsets through integration of long- and short-range chromatin interactions, accessibility, histone modifications, and gene expression. While basal genes display exquisite lineage specificity via distal enhancers, luminal-specific genes show widespread promoter priming in basal cells. Cell specificity in luminal progenitors is largely mediated through extensive chromatin interactions with super-enhancers in gene-body regions in addition to interactions with polycomb silencer elements. Moreover, lineage-specific transcription factors appear to be controlled through cell-specific chromatin interactivity. Finally, chromatin accessibility rather than interactivity emerged as a defining feature of the activation of quiescent basal stem cells. This work provides a comprehensive resource for understanding the role of higher-order chromatin interactions in cell-fate specification and differentiation in the adult mouse mammary gland.
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Affiliation(s)
- Michael J.G. Milevskiy
- ACRF Cancer Biology and Stem Cells Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia
- Department of Medical Biology, The University of Melbourne, Parkville, VIC 3010, Australia
| | - Hannah D. Coughlan
- Department of Medical Biology, The University of Melbourne, Parkville, VIC 3010, Australia
- Bioinformatics Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia
| | - Serena R. Kane
- ACRF Cancer Biology and Stem Cells Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia
- Department of Medical Biology, The University of Melbourne, Parkville, VIC 3010, Australia
| | - Timothy M. Johanson
- Department of Medical Biology, The University of Melbourne, Parkville, VIC 3010, Australia
- Immunology Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia
| | - Somayeh Kordafshari
- ACRF Cancer Biology and Stem Cells Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia
- Department of Medical Biology, The University of Melbourne, Parkville, VIC 3010, Australia
| | - Wing Fuk Chan
- Department of Medical Biology, The University of Melbourne, Parkville, VIC 3010, Australia
- Immunology Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia
| | - Minhsuang Tsai
- ACRF Cancer Biology and Stem Cells Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia
- Department of Medical Biology, The University of Melbourne, Parkville, VIC 3010, Australia
| | - Elliot Surgenor
- ACRF Cancer Biology and Stem Cells Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia
| | - Stephen Wilcox
- Advanced Technology and Biology Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia
| | - Rhys S. Allan
- Department of Medical Biology, The University of Melbourne, Parkville, VIC 3010, Australia
- Immunology Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia
| | - Yunshun Chen
- ACRF Cancer Biology and Stem Cells Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia
- Department of Medical Biology, The University of Melbourne, Parkville, VIC 3010, Australia
- Bioinformatics Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia
| | - Geoffrey J. Lindeman
- ACRF Cancer Biology and Stem Cells Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia
- Department of Medicine, Royal Melbourne Hospital, The University of Melbourne, Parkville, VIC 3010, Australia
- Parkville Familial Cancer Centre and Department of Medical Oncology, The Royal Melbourne Hospital and Peter MacCallum Cancer Centre, Parkville, VIC 3050, Australia
| | - Gordon K. Smyth
- Bioinformatics Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia
- School of Mathematics and Statistics, The University of Melbourne, Parkville, VIC 3010, Australia
| | - Jane E. Visvader
- ACRF Cancer Biology and Stem Cells Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia
- Department of Medical Biology, The University of Melbourne, Parkville, VIC 3010, Australia
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20
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Romero-Arias JR, González-Castro CA, Ramírez-Santiago G. A multiscale model of the role of microenvironmental factors in cell segregation and heterogeneity in breast cancer development. PLoS Comput Biol 2023; 19:e1011673. [PMID: 37992135 DOI: 10.1371/journal.pcbi.1011673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 12/06/2023] [Accepted: 11/08/2023] [Indexed: 11/24/2023] Open
Abstract
We analyzed a quantitative multiscale model that describes the epigenetic dynamics during the growth and evolution of an avascular tumor. A gene regulatory network (GRN) formed by a set of ten genes that are believed to play an important role in breast cancer development was kinetically coupled to the microenvironmental agents: glucose, estrogens, and oxygen. The dynamics of spontaneous mutations was described by a Yule-Furry master equation whose solution represents the probability that a given cell in the tissue undergoes a certain number of mutations at a given time. We assumed that the mutation rate is modified by a spatial gradient of nutrients. The tumor mass was simulated by means of cellular automata supplemented with a set of reaction diffusion equations that described the transport of microenvironmental agents. By analyzing the epigenetic state space described by the GRN dynamics, we found three attractors that were identified with cellular epigenetic states: normal, precancer and cancer. For two-dimensional (2D) and three-dimensional (3D) tumors we calculated the spatial distribution of the following quantities: (i) number of mutations, (ii) mutation of each gene and, (iii) phenotypes. Using estrogen as the principal microenvironmental agent that regulates cell proliferation process, we obtained tumor shapes for different values of estrogen consumption and supply rates. It was found that he majority of mutations occurred in cells that were located close to the 2D tumor perimeter or close to the 3D tumor surface. Also, it was found that the occurrence of different phenotypes in the tumor are controlled by estrogen concentration levels since they can change the individual cell threshold and gene expression levels. All results were consistently observed for 2D and 3D tumors.
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Affiliation(s)
- J Roberto Romero-Arias
- Instituto de Investigaciones en Matemáticas Aplicadas y en Sistemas, Universidad Nacional Autónoma de México, Ciudad de México, Mexico
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21
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Gray GK, Girnius N, Kuiken HJ, Henstridge AZ, Brugge JS. Single-cell and spatial analyses reveal a tradeoff between murine mammary proliferation and lineage programs associated with endocrine cues. Cell Rep 2023; 42:113293. [PMID: 37858468 PMCID: PMC10840493 DOI: 10.1016/j.celrep.2023.113293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 08/25/2023] [Accepted: 09/29/2023] [Indexed: 10/21/2023] Open
Abstract
Although distinct epithelial cell types have been distinguished in glandular tissues such as the mammary gland, the extent of heterogeneity within each cell type and the degree of endocrine control of this diversity across development are incompletely understood. By combining mass cytometry and cyclic immunofluorescence, we define a rich array of murine mammary epithelial cell subtypes associated with puberty, the estrous cycle, and sex. These subtypes are differentially proliferative and spatially segregate distinctly in adult versus pubescent glands. Further, we identify systematic suppression of lineage programs at the protein and RNA levels as a common feature of mammary epithelial expansion during puberty, the estrous cycle, and gestation and uncover a pervasive enrichment of ribosomal protein genes in luminal cells elicited specifically during progesterone-dominant expansionary periods. Collectively, these data expand our knowledge of murine mammary epithelial heterogeneity and connect endocrine-driven epithelial expansion with lineage suppression.
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Affiliation(s)
- G Kenneth Gray
- Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA
| | - Nomeda Girnius
- Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA; The Laboratory of Systems Pharmacology, Harvard Medical School, Boston, MA 02115, USA
| | - Hendrik J Kuiken
- Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA
| | - Aylin Z Henstridge
- Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA
| | - Joan S Brugge
- Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA.
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22
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Kim H, Aliar K, Tharmapalan P, McCloskey CW, Kuttanamkuzhi A, Grünwald BT, Palomero L, Mahendralingam MJ, Waas M, Mer AS, Elliott MJ, Zhang B, Al-Zahrani KN, Langille ER, Parsons M, Narala S, Hofer S, Waterhouse PD, Hakem R, Haibe-Kains B, Kislinger T, Schramek D, Cescon DW, Pujana MA, Berman HK, Khokha R. Differential DNA damage repair and PARP inhibitor vulnerability of the mammary epithelial lineages. Cell Rep 2023; 42:113256. [PMID: 37847590 DOI: 10.1016/j.celrep.2023.113256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 09/02/2023] [Accepted: 09/28/2023] [Indexed: 10/19/2023] Open
Abstract
It is widely assumed that all normal somatic cells can equally perform homologous recombination (HR) and non-homologous end joining in the DNA damage response (DDR). Here, we show that the DDR in normal mammary gland inherently depends on the epithelial cell lineage identity. Bioinformatics, post-irradiation DNA damage repair kinetics, and clonogenic assays demonstrated luminal lineage exhibiting a more pronounced DDR and HR repair compared to the basal lineage. Consequently, basal progenitors were far more sensitive to poly(ADP-ribose) polymerase inhibitors (PARPis) in both mouse and human mammary epithelium. Furthermore, PARPi sensitivity of murine and human breast cancer cell lines as well as patient-derived xenografts correlated with their molecular resemblance to the mammary progenitor lineages. Thus, mammary epithelial cells are intrinsically divergent in their DNA damage repair capacity and PARPi vulnerability, potentially influencing the clinical utility of this targeted therapy.
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Affiliation(s)
- Hyeyeon Kim
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 1L7, Canada; Department of Medical Biophysics, University of Toronto, Toronto, ON M5G 1L7, Canada
| | - Kazeera Aliar
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 1L7, Canada
| | - Pirashaanthy Tharmapalan
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 1L7, Canada; Department of Medical Biophysics, University of Toronto, Toronto, ON M5G 1L7, Canada
| | - Curtis W McCloskey
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 1L7, Canada
| | | | - Barbara T Grünwald
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 1L7, Canada
| | - Luis Palomero
- ProCURE, Catalan Institute of Oncology, Oncobell, Bellvitge Institute for Biomedical Research (IDIBELL), L'Hospitalet del Llobregat, 08908 Barcelona, Catalonia, Spain
| | - Mathepan J Mahendralingam
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 1L7, Canada; Department of Medical Biophysics, University of Toronto, Toronto, ON M5G 1L7, Canada
| | - Matthew Waas
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 1L7, Canada
| | - Arvind S Mer
- Department of Biochemistry, Microbiology & Immunology, University of Ottawa, Ottawa, ON K1H 8M5, Canada
| | - Mitchell J Elliott
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 1L7, Canada
| | - Bowen Zhang
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 1L7, Canada; Department of Medical Biophysics, University of Toronto, Toronto, ON M5G 1L7, Canada
| | - Khalid N Al-Zahrani
- Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, ON M5G 1X5, Canada
| | - Ellen R Langille
- Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, ON M5G 1X5, Canada; Department of Molecular Genetics, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Michael Parsons
- Department of Biochemistry, Microbiology & Immunology, University of Ottawa, Ottawa, ON K1H 8M5, Canada
| | - Swami Narala
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 1L7, Canada
| | - Stefan Hofer
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 1L7, Canada
| | - Paul D Waterhouse
- Department of Medical Biophysics, University of Toronto, Toronto, ON M5G 1L7, Canada
| | - Razqallah Hakem
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 1L7, Canada; Department of Medical Biophysics, University of Toronto, Toronto, ON M5G 1L7, Canada; Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON M5G 2N2, Canada
| | - Benjamin Haibe-Kains
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 1L7, Canada; Department of Medical Biophysics, University of Toronto, Toronto, ON M5G 1L7, Canada
| | - Thomas Kislinger
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 1L7, Canada; Department of Medical Biophysics, University of Toronto, Toronto, ON M5G 1L7, Canada
| | - Daniel Schramek
- Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, ON M5G 1X5, Canada; Department of Molecular Genetics, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - David W Cescon
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 1L7, Canada
| | - Miquel A Pujana
- ProCURE, Catalan Institute of Oncology, Oncobell, Bellvitge Institute for Biomedical Research (IDIBELL), L'Hospitalet del Llobregat, 08908 Barcelona, Catalonia, Spain
| | - Hal K Berman
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 1L7, Canada
| | - Rama Khokha
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 1L7, Canada; Department of Medical Biophysics, University of Toronto, Toronto, ON M5G 1L7, Canada; Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON M5G 2N2, Canada.
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23
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Bouamar H, Broome LE, Lathrop KI, Jatoi I, Brenner AJ, Nazarullah A, Gorena KM, Garcia M, Chen Y, Kaklamani V, Sun LZ. mTOR inhibition abrogates human mammary stem cells and early breast cancer progression markers. Breast Cancer Res 2023; 25:131. [PMID: 37904250 PMCID: PMC10614399 DOI: 10.1186/s13058-023-01727-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Accepted: 10/04/2023] [Indexed: 11/01/2023] Open
Abstract
BACKGROUND Mammary physiology is distinguished in containing adult stem/progenitor cells that are actively amending the breast tissue throughout the reproductive lifespan of women. Despite their importance in both mammary gland development, physiological maintenance, and reproduction, the exact role of mammary stem/progenitor cells in mammary tumorigenesis has not been fully elucidated in humans or animal models. The implications of modulating adult stem/progenitor cells in women could lead to a better understanding of not only their function, but also toward possible breast cancer prevention led us to evaluate the efficacy of rapamycin in reducing mammary stem/progenitor cell activity and malignant progression markers. METHODS We analyzed a large number of human breast tissues for their basal and luminal cell composition with flow cytometry and their stem and progenitor cell function with sphere formation assay with respect to age and menopausal status in connection with a clinical study (NCT02642094) involving a low-dose (2 mg/day) and short-term (5-7 days) treatment of the mTOR inhibitor sirolimus. The expression of biomarkers in biopsies and surgical breast samples were measured with quantitative analysis of immunohistochemistry. RESULTS Sirolimus treatment significantly abrogated mammary stem cell activity, particularly in postmenopausal patients. It did not affect the frequency of luminal progenitors but decreased their self-renewal capacity. While sirolimus had no effect on basal cell population, it decreased luminal cell population, particularly in postmenopausal patients. It also significantly diminished prognostic biomarkers associated with breast cancer progression from ductal carcinoma in situ to invasive breast cancer including p16INK4A, COX-2, and Ki67, as well as markers of the senescence-associated secretary phenotype, thereby possibly functioning in preventing early breast cancer progression. CONCLUSION Overall, these findings indicate a link from mTOR signaling to mammary stem and progenitor cell activity and cancer progression. Trial registration This study involves a clinical trial registered under the ClinicalTrials.gov identifier NCT02642094 registered December 30, 2015.
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Affiliation(s)
- Hakim Bouamar
- Department of Cell Systems and Anatomy, School of Medicine, The University of Texas Health Science Center at San Antonio, San Antonio, TX, USA
| | - Larry Esteban Broome
- Department of Cell Systems and Anatomy, School of Medicine, The University of Texas Health Science Center at San Antonio, San Antonio, TX, USA
| | - Kate Ida Lathrop
- Department of Medicine, School of Medicine, The University of Texas Health Science Center at San Antonio, San Antonio, TX, USA
| | - Ismail Jatoi
- Department of Surgery, The University of Texas Health Science Center at San Antonio, San Antonio, TX, USA
| | - Andrew Jacob Brenner
- Department of Medicine, School of Medicine, The University of Texas Health Science Center at San Antonio, San Antonio, TX, USA
| | - Alia Nazarullah
- Department of Pathology, School of Medicine, The University of Texas Health Science Center at San Antonio, San Antonio, TX, USA
| | - Karla Moncada Gorena
- Flow Cytometry Core Facility, The University of Texas Health Science Center at San Antonio, San Antonio, TX, USA
| | - Michael Garcia
- Department of Medicine, School of Medicine, The University of Texas Health Science Center at San Antonio, San Antonio, TX, USA
| | - Yidong Chen
- Department of Population Health Sciences, School of Medicine, The University of Texas Health Science Center at San Antonio, San Antonio, TX, USA
- Greheey Children's Cancer Research Institute, The University of Texas Health Science Center at San Antonio, San Antonio, TX, USA
| | - Virginia Kaklamani
- Department of Medicine, School of Medicine, The University of Texas Health Science Center at San Antonio, San Antonio, TX, USA.
| | - Lu-Zhe Sun
- Department of Cell Systems and Anatomy, School of Medicine, The University of Texas Health Science Center at San Antonio, San Antonio, TX, USA.
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24
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Wang Z, Zhang L, Li B, Song J, Yu M, Zhang J, Chen C, Zhan J, Zhang H. Kindlin-2 in myoepithelium controls luminal progenitor commitment to alveoli in mouse mammary gland. Cell Death Dis 2023; 14:675. [PMID: 37833248 PMCID: PMC10576046 DOI: 10.1038/s41419-023-06184-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 09/11/2023] [Accepted: 09/26/2023] [Indexed: 10/15/2023]
Abstract
Myoepithelium plays an important role in mammary gland development, but less is known about the molecular mechanism underlying how myoepithelium controls acinus differentiation during gestation. Herein, we found that loss of Kindlin-2 in myoepithelial cells impaired mammary morphogenesis, alveologenesis, and lactation. Using five genetically modified mouse lines combined with single-cell RNA sequencing, we found a Kindlin-2-Stat3-Dll1 signaling cascade in myoepithelial cells that inactivates Notch signaling in luminal cells and consequently drives luminal progenitor commitment to alveolar cells identity. Single-cell profiling revealed that Kindlin-2 loss significantly reduces the proportion of matured alveolar cells. Mechanistically, Kindlin-2 depletion in myoepithelial cells promotes Stat3 activation and upregulates Dll1, which activates the Notch pathway in luminal cells and inhibits luminal progenitor differentiation and maturation during gestation. Inhibition of Notch1 with tangeretin allowed luminal progenitors to regain commitment ability in the pregnant mice with Kindlin-2 depletion in myoepithelium. Taken together, we demonstrated that Kindlin-2 is essential to myoepithelium-controlled luminal progenitors to alveoli transition during gestation.
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Affiliation(s)
- Zhenbin Wang
- Program for Cancer and Cell Biology, Department of Human Anatomy, Histology and Embryology, School of Basic Medical Sciences; Peking University International Cancer Institute; MOE Key Laboratory of Carcinogenesis and Translational Research and State Key Laboratory of Natural and Biomimetic Drugs, Peking University Health Science Center, 100191, Beijing, China
| | - Lei Zhang
- Program for Cancer and Cell Biology, Department of Human Anatomy, Histology and Embryology, School of Basic Medical Sciences; Peking University International Cancer Institute; MOE Key Laboratory of Carcinogenesis and Translational Research and State Key Laboratory of Natural and Biomimetic Drugs, Peking University Health Science Center, 100191, Beijing, China
| | - Bing Li
- Program for Cancer and Cell Biology, Department of Human Anatomy, Histology and Embryology, School of Basic Medical Sciences; Peking University International Cancer Institute; MOE Key Laboratory of Carcinogenesis and Translational Research and State Key Laboratory of Natural and Biomimetic Drugs, Peking University Health Science Center, 100191, Beijing, China
- Department of Histology and Embryology, Hebei University of Chinese Medicine, Shijiazhuang, Hebei, 050200, China
| | - Jiagui Song
- Program for Cancer and Cell Biology, Department of Human Anatomy, Histology and Embryology, School of Basic Medical Sciences; Peking University International Cancer Institute; MOE Key Laboratory of Carcinogenesis and Translational Research and State Key Laboratory of Natural and Biomimetic Drugs, Peking University Health Science Center, 100191, Beijing, China
| | - Miao Yu
- Program for Cancer and Cell Biology, Department of Human Anatomy, Histology and Embryology, School of Basic Medical Sciences; Peking University International Cancer Institute; MOE Key Laboratory of Carcinogenesis and Translational Research and State Key Laboratory of Natural and Biomimetic Drugs, Peking University Health Science Center, 100191, Beijing, China
| | - Jing Zhang
- Program for Cancer and Cell Biology, Department of Human Anatomy, Histology and Embryology, School of Basic Medical Sciences; Peking University International Cancer Institute; MOE Key Laboratory of Carcinogenesis and Translational Research and State Key Laboratory of Natural and Biomimetic Drugs, Peking University Health Science Center, 100191, Beijing, China
| | - Ceshi Chen
- Academy of Biomedical Engineering, Kunming Medical University, Kunming, 650500, China.
- 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.
| | - Jun Zhan
- Program for Cancer and Cell Biology, Department of Human Anatomy, Histology and Embryology, School of Basic Medical Sciences; Peking University International Cancer Institute; MOE Key Laboratory of Carcinogenesis and Translational Research and State Key Laboratory of Natural and Biomimetic Drugs, Peking University Health Science Center, 100191, Beijing, China.
| | - Hongquan Zhang
- Program for Cancer and Cell Biology, Department of Human Anatomy, Histology and Embryology, School of Basic Medical Sciences; Peking University International Cancer Institute; MOE Key Laboratory of Carcinogenesis and Translational Research and State Key Laboratory of Natural and Biomimetic Drugs, Peking University Health Science Center, 100191, Beijing, China.
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25
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Fan Y, Jin L, He Z, Wei T, Luo T, Zhang J, Liu C, Dai C, A C, Liang Y, Tao X, Lv X, Gu Y, Li M. A cell transcriptomic profile provides insights into adipocytes of porcine mammary gland across development. J Anim Sci Biotechnol 2023; 14:126. [PMID: 37805503 PMCID: PMC10560433 DOI: 10.1186/s40104-023-00926-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Accepted: 08/03/2023] [Indexed: 10/09/2023] Open
Abstract
BACKGROUND Studying the composition and developmental mechanisms in mammary gland is crucial for healthy growth of newborns. The mammary gland is inherently heterogeneous, and its physiological function dependents on the gene expression of multiple cell types. Most studies focused on epithelial cells, disregarding the role of neighboring adipocytes. RESULTS Here, we constructed the largest transcriptomic dataset of porcine mammary gland cells thus far. The dataset captured 126,829 high-quality nuclei from physiological mammary glands across five developmental stages (d 90 of gestation, G90; d 0 after lactation, L0; d 20 after lactation, L20; 2 d post natural involution, PI2; 7 d post natural involution, PI7). Seven cell types were identified, including epithelial cells, adipocytes, endothelial cells, fibroblasts cells, immune cells, myoepithelial cells and precursor cells. Our data indicate that mammary glands at different developmental stages have distinct phenotypic and transcriptional signatures. During late gestation (G90), the differentiation and proliferation of adipocytes were inhibited. Meanwhile, partly epithelial cells were completely differentiated. Pseudo-time analysis showed that epithelial cells undergo three stages to achieve lactation, including cellular differentiation, hormone sensing, and metabolic activation. During lactation (L0 and L20), adipocytes area accounts for less than 0.5% of mammary glands. To maintain their own survival, the adipocyte exhibited a poorly differentiated state and a proliferative capacity. Epithelial cells initiate lactation upon hormonal stimulation. After fulfilling lactation mission, their undergo physiological death under high intensity lactation. Interestingly, the physiological dead cells seem to be actively cleared by immune cells via CCL21-ACKR4 pathway. This biological process may be an important mechanism for maintaining homeostasis of the mammary gland. During natural involution (PI2 and PI7), epithelial cell populations dedifferentiate into mesenchymal stem cells to maintain the lactation potential of mammary glands for the next lactation cycle. CONCLUSION The molecular mechanisms of dedifferentiation, proliferation and redifferentiation of adipocytes and epithelial cells were revealed from late pregnancy to natural involution. This cell transcriptomic profile constitutes an essential reference for future studies in the development and remodeling of the mammary gland at different stages.
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Affiliation(s)
- Yongliang Fan
- State Key Laboratory of Swine and Poultry Breeding Industry, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130 China
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Southwest Minzu University, Chengdu, 610041 China
| | - Long Jin
- State Key Laboratory of Swine and Poultry Breeding Industry, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130 China
| | - Zhiping He
- Animal Breeding and Genetics Key Laboratory of Sichuan Province, Sichuan Animal Science Academy, Chengdu, 610000 China
| | - Tiantian Wei
- State Key Laboratory of Swine and Poultry Breeding Industry, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130 China
| | - Tingting Luo
- State Key Laboratory of Swine and Poultry Breeding Industry, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130 China
| | - Jiaman Zhang
- State Key Laboratory of Swine and Poultry Breeding Industry, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130 China
| | - Can Liu
- State Key Laboratory of Swine and Poultry Breeding Industry, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130 China
| | - Changjiu Dai
- State Key Laboratory of Swine and Poultry Breeding Industry, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130 China
| | - Chao A
- State Key Laboratory of Swine and Poultry Breeding Industry, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130 China
| | - Yan Liang
- Animal Breeding and Genetics Key Laboratory of Sichuan Province, Sichuan Animal Science Academy, Chengdu, 610000 China
| | - Xuan Tao
- Animal Breeding and Genetics Key Laboratory of Sichuan Province, Sichuan Animal Science Academy, Chengdu, 610000 China
| | - Xuebin Lv
- Animal Breeding and Genetics Key Laboratory of Sichuan Province, Sichuan Animal Science Academy, Chengdu, 610000 China
| | - Yiren Gu
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Southwest Minzu University, Chengdu, 610041 China
- Animal Breeding and Genetics Key Laboratory of Sichuan Province, Sichuan Animal Science Academy, Chengdu, 610000 China
| | - Mingzhou Li
- State Key Laboratory of Swine and Poultry Breeding Industry, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130 China
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Wang Y, Hongu T, Nishimura T, Takeuchi Y, Takano H, Daikoku T, Yao R, Gotoh N. Mitochondrial one-carbon metabolic enzyme MTHFD2 facilitates mammary gland development during pregnancy. Biochem Biophys Res Commun 2023; 674:183-189. [PMID: 37450958 DOI: 10.1016/j.bbrc.2023.06.074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 06/16/2023] [Accepted: 06/23/2023] [Indexed: 07/18/2023]
Abstract
Mitochondrial one-carbon metabolism is crucial for embryonic development and tumorigenesis, as it supplies one-carbon units necessary for nucleotide synthesis and rapid cell proliferation. However, its contribution to adult tissue homeostasis remains largely unknown. To examine its role in adult tissue homeostasis, we specifically investigated mammary gland development during pregnancy, as it involves heightened cell proliferation. We discovered that MTHFD2, a mitochondrial one-carbon metabolic enzyme, is expressed in both luminal and basal/myoepithelial cell layers, with upregulated expression during pregnancy. Using the mouse mammary tumor virus (MMTV)-Cre recombinase system, we generated mice with a specific mutation of Mthfd2 in mammary epithelial cells. While the mutant mice were capable of properly nurturing their offspring, the pregnancy-induced expansion of mammary glands was significantly delayed. This indicates that MTHFD2 contributes to the rapid development of mammary glands during pregnancy. Our findings shed light on the role of mitochondrial one-carbon metabolism in facilitating rapid cell proliferation, even in the context of the adult tissue homeostasis.
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Affiliation(s)
- Yuming Wang
- Division of Cancer Cell Biology, Cancer Research Institute, Kanazawa Univerisity, Japan
| | - Tsunaki Hongu
- Division of Cancer Cell Biology, Cancer Research Institute, Kanazawa Univerisity, Japan
| | - Tatsunori Nishimura
- Division of Cancer Cell Biology, Cancer Research Institute, Kanazawa Univerisity, Japan
| | - Yasuto Takeuchi
- Division of Cancer Cell Biology, Cancer Research Institute, Kanazawa Univerisity, Japan
| | - Hiroshi Takano
- Department of Cell Biology, Cancer Institute, Japanese Foundation for Cancer Research (JFCR), Japan
| | - Takiko Daikoku
- Division of Animal Disease Model, Research Center for Experimental Modeling of Human Disease, Kanazawa University, Japan
| | - Ryoji Yao
- Department of Cell Biology, Cancer Institute, Japanese Foundation for Cancer Research (JFCR), Japan
| | - Noriko Gotoh
- Division of Cancer Cell Biology, Cancer Research Institute, Kanazawa Univerisity, Japan.
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Tran KA, Addala V, Johnston RL, Lovell D, Bradley A, Koufariotis LT, Wood S, Wu SZ, Roden D, Al-Eryani G, Swarbrick A, Williams ED, Pearson JV, Kondrashova O, Waddell N. Performance of tumour microenvironment deconvolution methods in breast cancer using single-cell simulated bulk mixtures. Nat Commun 2023; 14:5758. [PMID: 37717006 PMCID: PMC10505141 DOI: 10.1038/s41467-023-41385-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Accepted: 09/01/2023] [Indexed: 09/18/2023] Open
Abstract
Cells within the tumour microenvironment (TME) can impact tumour development and influence treatment response. Computational approaches have been developed to deconvolve the TME from bulk RNA-seq. Using scRNA-seq profiling from breast tumours we simulate thousands of bulk mixtures, representing tumour purities and cell lineages, to compare the performance of nine TME deconvolution methods (BayesPrism, Scaden, CIBERSORTx, MuSiC, DWLS, hspe, CPM, Bisque, and EPIC). Some methods are more robust in deconvolving mixtures with high tumour purity levels. Most methods tend to mis-predict normal epithelial for cancer epithelial as tumour purity increases, a finding that is validated in two independent datasets. The breast cancer molecular subtype influences this mis-prediction. BayesPrism and DWLS have the lowest combined numbers of false positives and false negatives, and have the best performance when deconvolving granular immune lineages. Our findings highlight the need for more single-cell characterisation of rarer cell types, and suggest that tumour cell compositions should be considered when deconvolving the TME.
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Affiliation(s)
- Khoa A Tran
- Cancer Program, QIMR Berghofer Medical Research Institute, Brisbane, QLD, 4006, Australia
- School of Biomedical Sciences, Queensland University of Technology (QUT), Brisbane, QLD, 4000, Australia
| | - Venkateswar Addala
- Cancer Program, QIMR Berghofer Medical Research Institute, Brisbane, QLD, 4006, Australia
| | - Rebecca L Johnston
- Cancer Program, QIMR Berghofer Medical Research Institute, Brisbane, QLD, 4006, Australia
| | - David Lovell
- School of Computer Science, Queensland University of Technology, Brisbane, QLD, 4000, Australia
- QUT Centre for Data Science, Brisbane, QLD, 4000, Australia
| | - Andrew Bradley
- Faculty of Engineering, Queensland University of Technology, Brisbane, QLD, 4000, Australia
| | - Lambros T Koufariotis
- Cancer Program, QIMR Berghofer Medical Research Institute, Brisbane, QLD, 4006, Australia
| | - Scott Wood
- Cancer Program, QIMR Berghofer Medical Research Institute, Brisbane, QLD, 4006, Australia
| | - Sunny Z Wu
- Cancer Ecosystems Program, Garvan Institute of Medical Research, Darlinghurst, NSW, 2010, Australia
- School of Clinical Medicine, Faculty of Medicine and Health, UNSW Sydney, Kensington, NSW, 2052, Australia
| | - Daniel Roden
- Cancer Ecosystems Program, Garvan Institute of Medical Research, Darlinghurst, NSW, 2010, Australia
- School of Clinical Medicine, Faculty of Medicine and Health, UNSW Sydney, Kensington, NSW, 2052, Australia
| | - Ghamdan Al-Eryani
- Cancer Ecosystems Program, Garvan Institute of Medical Research, Darlinghurst, NSW, 2010, Australia
- School of Clinical Medicine, Faculty of Medicine and Health, UNSW Sydney, Kensington, NSW, 2052, Australia
| | - Alexander Swarbrick
- Cancer Ecosystems Program, Garvan Institute of Medical Research, Darlinghurst, NSW, 2010, Australia
- School of Clinical Medicine, Faculty of Medicine and Health, UNSW Sydney, Kensington, NSW, 2052, Australia
| | - Elizabeth D Williams
- School of Biomedical Sciences, Queensland University of Technology (QUT), Brisbane, QLD, 4000, Australia
- Australian Prostate Cancer Research Centre - Queensland (APCRC-Q) and Queensland Bladder Cancer Initiative (QBCI), Brisbane, QLD, 4000, Australia
| | - John V Pearson
- Cancer Program, QIMR Berghofer Medical Research Institute, Brisbane, QLD, 4006, Australia
| | - Olga Kondrashova
- Cancer Program, QIMR Berghofer Medical Research Institute, Brisbane, QLD, 4006, Australia
| | - Nicola Waddell
- Cancer Program, QIMR Berghofer Medical Research Institute, Brisbane, QLD, 4006, Australia.
- School of Biomedical Sciences, Queensland University of Technology (QUT), Brisbane, QLD, 4000, Australia.
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Githaka JM, Pirayeshfard L, Goping IS. Cancer invasion and metastasis: Insights from murine pubertal mammary gland morphogenesis. Biochim Biophys Acta Gen Subj 2023; 1867:130375. [PMID: 37150225 DOI: 10.1016/j.bbagen.2023.130375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 04/20/2023] [Accepted: 05/02/2023] [Indexed: 05/09/2023]
Abstract
Cancer invasion and metastasis accounts for the majority of cancer related mortality. A better understanding of the players that drive the aberrant invasion and migration of tumors cells will provide critical targets to inhibit metastasis. Postnatal pubertal mammary gland morphogenesis is characterized by highly proliferative, invasive, and migratory normal epithelial cells. Identifying the molecular regulators of pubertal gland development is a promising strategy since tumorigenesis and metastasis is postulated to be a consequence of aberrant reactivation of developmental stages. In this review, we summarize the pubertal morphogenesis regulators that are involved in cancer metastasis and revisit pubertal mammary gland transcriptome profiling to uncover both known and unknown metastasis genes. Our updated list of pubertal morphogenesis regulators shows that most are implicated in invasion and metastasis. This review highlights molecular linkages between development and metastasis and provides a guide for exploring novel metastatic drivers.
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Affiliation(s)
- John Maringa Githaka
- Department of Biochemistry, University of Alberta, Edmonton, AB T6G 2H7, Canada.
| | - Leila Pirayeshfard
- Department of Biochemistry, University of Alberta, Edmonton, AB T6G 2H7, Canada
| | - Ing Swie Goping
- Department of Biochemistry, University of Alberta, Edmonton, AB T6G 2H7, Canada; Department of Oncology, University of Alberta, Edmonton, AB T6G 2H7, Canada.
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Senapati P, Miyano M, Sayaman RW, Basam M, Leung A, LaBarge MA, Schones DE. Loss of epigenetic suppression of retrotransposons with oncogenic potential in aging mammary luminal epithelial cells. Genome Res 2023; 33:1229-1241. [PMID: 37463750 PMCID: PMC10547379 DOI: 10.1101/gr.277511.122] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 06/23/2023] [Indexed: 07/20/2023]
Abstract
A primary function of DNA methylation in mammalian genomes is to repress transposable elements (TEs). The widespread methylation loss that is commonly observed in cancer cells results in the loss of epigenetic repression of TEs. The aging process is similarly characterized by changes to the methylome. However, the impact of these epigenomic alterations on TE silencing and the functional consequences of this have remained unclear. To assess the epigenetic regulation of TEs in aging, we profiled DNA methylation in human mammary luminal epithelial cells (LEps)-a key cell lineage implicated in age-related breast cancers-from younger and older women. We report here that several TE subfamilies function as regulatory elements in normal LEps, and a subset of these display consistent methylation changes with age. Methylation changes at these TEs occurred at lineage-specific transcription factor binding sites, consistent with loss of lineage specificity. Whereas TEs mainly showed methylation loss, CpG islands (CGIs) that are targets of the Polycomb repressive complex 2 (PRC2) show a gain of methylation in aging cells. Many TEs with methylation loss in aging LEps have evidence of regulatory activity in breast cancer samples. We furthermore show that methylation changes at TEs impact the regulation of genes associated with luminal breast cancers. These results indicate that aging leads to DNA methylation changes at TEs that undermine the maintenance of lineage specificity, potentially increasing susceptibility to breast cancer.
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Affiliation(s)
- Parijat Senapati
- Department of Diabetes Complications and Metabolism, Beckman Research Institute, City of Hope, Duarte, California 91010, USA
| | - Masaru Miyano
- Department of Population Sciences, Beckman Research Institute, City of Hope, Duarte, California 91010, USA
| | - Rosalyn W Sayaman
- Department of Population Sciences, Beckman Research Institute, City of Hope, Duarte, California 91010, USA
- Department of Laboratory Medicine, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, California 94143-0981, USA
| | - Mudaser Basam
- Department of Diabetes Complications and Metabolism, Beckman Research Institute, City of Hope, Duarte, California 91010, USA
- Department of Population Sciences, Beckman Research Institute, City of Hope, Duarte, California 91010, USA
| | - Amy Leung
- Department of Diabetes Complications and Metabolism, Beckman Research Institute, City of Hope, Duarte, California 91010, USA
| | - Mark A LaBarge
- Department of Population Sciences, Beckman Research Institute, City of Hope, Duarte, California 91010, USA
- Irell & Manella Graduate School of Biological Sciences, City of Hope, Duarte, California 91010, USA
- Center for Cancer Biomarker Research, University of Bergen, 5021 Bergen, Norway
| | - Dustin E Schones
- Department of Diabetes Complications and Metabolism, Beckman Research Institute, City of Hope, Duarte, California 91010, USA;
- Irell & Manella Graduate School of Biological Sciences, City of Hope, Duarte, California 91010, USA
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Bitar M, Rivera I, Almeida I, Shi W, Ferguson K, Beesley J, Lakhani S, Edwards S, French J. Redefining normal breast cell populations using long noncoding RNAs. Nucleic Acids Res 2023; 51:6389-6410. [PMID: 37144467 PMCID: PMC10325898 DOI: 10.1093/nar/gkad339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 04/12/2023] [Accepted: 04/21/2023] [Indexed: 05/06/2023] Open
Abstract
Single-cell RNAseq has allowed unprecedented insight into gene expression across different cell populations in normal tissue and disease states. However, almost all studies rely on annotated gene sets to capture gene expression levels and sequencing reads that do not align to known genes are discarded. Here, we discover thousands of long noncoding RNAs (lncRNAs) expressed in human mammary epithelial cells and analyze their expression in individual cells of the normal breast. We show that lncRNA expression alone can discriminate between luminal and basal cell types and define subpopulations of both compartments. Clustering cells based on lncRNA expression identified additional basal subpopulations, compared to clustering based on annotated gene expression, suggesting that lncRNAs can provide an additional layer of information to better distinguish breast cell subpopulations. In contrast, these breast-specific lncRNAs poorly distinguish brain cell populations, highlighting the need to annotate tissue-specific lncRNAs prior to expression analyses. We also identified a panel of 100 breast lncRNAs that could discern breast cancer subtypes better than protein-coding markers. Overall, our results suggest that lncRNAs are an unexplored resource for new biomarker and therapeutic target discovery in the normal breast and breast cancer subtypes.
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Affiliation(s)
- Mainá Bitar
- Cancer Program, QIMR Berghofer Medical Research Institute, Brisbane 4006, Australia
- Faculty of Medicine, The University of Queensland, Brisbane 4006, Australia
| | - Isela Sarahi Rivera
- Cancer Program, QIMR Berghofer Medical Research Institute, Brisbane 4006, Australia
- School of Biomedical Science and Institute of Health and Biomedical Innovation, Faculty of Health, Queensland University of Technology, Brisbane 4001, Australia
| | - Isabela Almeida
- Cancer Program, QIMR Berghofer Medical Research Institute, Brisbane 4006, Australia
- Faculty of Medicine, The University of Queensland, Brisbane 4006, Australia
| | - Wei Shi
- Cancer Program, QIMR Berghofer Medical Research Institute, Brisbane 4006, Australia
| | - Kaltin Ferguson
- UQ Centre for Clinical Research, The University of Queensland, Brisbane 4006, Australia
| | - Jonathan Beesley
- Cancer Program, QIMR Berghofer Medical Research Institute, Brisbane 4006, Australia
| | - Sunil R Lakhani
- UQ Centre for Clinical Research, The University of Queensland, Brisbane 4006, Australia
- Pathology Queensland, The Royal Brisbane & Women's Hospital, Brisbane 4006, Australia
| | - Stacey L Edwards
- Cancer Program, QIMR Berghofer Medical Research Institute, Brisbane 4006, Australia
- Faculty of Medicine, The University of Queensland, Brisbane 4006, Australia
| | - Juliet D French
- Cancer Program, QIMR Berghofer Medical Research Institute, Brisbane 4006, Australia
- Faculty of Medicine, The University of Queensland, Brisbane 4006, Australia
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31
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Wang Y, Zhang F, Yao B, Hou L, Li Z, Song W, Kong Y, Tan Y, Fu X, Huang S. Notch4 participates in mesenchymal stem cell-induced differentiation in 3D-printed matrix and is implicated in eccrine sweat gland morphogenesis. Burns Trauma 2023; 11:tkad032. [PMID: 37397510 PMCID: PMC10309082 DOI: 10.1093/burnst/tkad032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 05/16/2023] [Accepted: 05/22/2023] [Indexed: 07/04/2023]
Abstract
Background Eccrine sweat gland (SG) plays a crucial role in thermoregulation but exhibits very limited regenerative potential. Although SG lineage-restricted niches dominate SG morphogenesis and benefit SG regeneration, rebuilding niches in vivo is challenging for stem cell therapeutic applications. Hence, we attempted to screen and tune the critical niche-responding genes that dually respond to both biochemical and structural cues, which might be a promising strategy for SG regeneration. Methods An artificial SG lineage-restricted niche consisting of mouse plantar dermis homogenates (i.e. biochemical cues) and 3D architecture (i.e. structural cues) was built in vitro by using an extrusion-based 3D bioprinting approach. Mouse bone marrow-derived mesenchymal stem cells (MSCs) were then differentiated into the induced SG cells in the artificial SG lineage-restricted niche. To decouple biochemical cues from structural cues, the transcriptional changes aroused by pure biochemical cues, pure structural cues and synergistic effects of both cues were analyzed pairwise, respectively. Notably, only niche-dual-responding genes that are differentially expressed in response to both biochemical and structural cues and participate in switching MSC fates towards SG lineage were screened out. Validations in vitro and in vivo were respectively conducted by inhibiting or activating the candidate niche-dual-responding gene(s) to explore the consequent effects on SG differentiation. Results Notch4 is one of the niche-dual-responding genes that enhanced MSC stemness and promoted SG differentiation in 3D-printed matrix in vitro. Furthermore, inhibiting Notch4 specifically reduced keratin 19-positive epidermal stem cells and keratin 14-positive SG progenitor cells, thus further delaying embryonic SG morphogenesis in vivo. Conclusions Notch4 not only participates in mouse MSC-induced SG differentiation in vitro but is also implicated in mouse eccrine SG morphogenesis in vivo.
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Affiliation(s)
| | | | | | - Linhao Hou
- Department of Orthopedics, the Fourth Affiliated Hospital of China Medical University, 4 Chongshan East Road, Shenyang, 110032, P. R. China
| | - Zhao Li
- Research Center for Tissue Repair and Regeneration affiliated to the Medical Innovation Research Department, Chinese PLA General Hospital, 28 Fu Xing Road, Beijing, 100853, P. R. China
| | - Wei Song
- Research Center for Tissue Repair and Regeneration affiliated to the Medical Innovation Research Department, Chinese PLA General Hospital, 28 Fu Xing Road, Beijing, 100853, P. R. China
| | - Yi Kong
- Research Center for Tissue Repair and Regeneration affiliated to the Medical Innovation Research Department, Chinese PLA General Hospital, 28 Fu Xing Road, Beijing, 100853, P. R. China
| | - Yaxin Tan
- College of Graduate, Tianjin Medical University, 22 Qi Xiang Tai Road, Heping District, Tianjin, 300070, P.R. China
| | | | - Sha Huang
- Correspondence. Xiaobing Fu, ; Sha Huang,
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Chen Z, Zhang Y, Li W, Gao C, Huang F, Cheng L, Jin M, Xu X, Huang J. Single cell profiling of female breast fibroadenoma reveals distinct epithelial cell compositions and therapeutic targets. Nat Commun 2023; 14:3469. [PMID: 37328469 PMCID: PMC10275980 DOI: 10.1038/s41467-023-39059-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 05/26/2023] [Indexed: 06/18/2023] Open
Abstract
Fibroadenomas (FAs) are the most common breast tumors in women. No pharmacological agents are currently approved for FA intervention owing to its unclear mechanisms and a shortage of reproducible human models. Here, using single-cell RNA sequencing of human FAs and normal breast tissues, we observe distinct cellular composition and epithelial structural changes in FAs. Interestingly, epithelial cells exhibit hormone-responsive functional signatures and synchronous activation of estrogen-sensitive and hormone-resistant mechanisms (ERBB2, BCL2 and CCND1 pathways). We develop a human expandable FA organoid system and observe that most organoids seem to be resistant to tamoxifen. Individualized combinations of tamoxifen with ERBB2, BCL2 or CCND1 inhibitors could significantly suppress the viability of tamoxifen-resistant organoids. Thus, our study presents an overview of human FA at single-cell resolution that outlines the structural and functional differences between FA and normal breast epithelium and, in particular, provides a potential therapeutic strategy for breast FAs.
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Affiliation(s)
- Zhigang Chen
- Department of Breast Surgery (Surgical Oncology), Second Affiliated Hospital, Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou, Zhejiang, China.
- Key Laboratory of Tumor Microenvironment and Immune Therapy of Zhejiang Province, Hangzhou, China.
- Cancer Centre, Zhejiang University, Hangzhou, Zhejiang, China.
| | - Yi Zhang
- Department of Breast Surgery (Surgical Oncology), Second Affiliated Hospital, Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou, Zhejiang, China
- Key Laboratory of Tumor Microenvironment and Immune Therapy of Zhejiang Province, Hangzhou, China
- Cancer Centre, Zhejiang University, Hangzhou, Zhejiang, China
- Cancer Institute, Key Laboratory of Cancer Prevention and Intervention, Ministry of Education, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Wenlu Li
- Departments of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02129, USA
| | - Chenyi Gao
- Department of Breast Surgery (Surgical Oncology), Second Affiliated Hospital, Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou, Zhejiang, China
- Key Laboratory of Tumor Microenvironment and Immune Therapy of Zhejiang Province, Hangzhou, China
- Cancer Centre, Zhejiang University, Hangzhou, Zhejiang, China
- Cancer Institute, Key Laboratory of Cancer Prevention and Intervention, Ministry of Education, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Fengbo Huang
- Department of Pathology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Lu Cheng
- Department of Pathology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Menglei Jin
- Department of Breast Surgery (Surgical Oncology), Second Affiliated Hospital, Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou, Zhejiang, China
- Key Laboratory of Tumor Microenvironment and Immune Therapy of Zhejiang Province, Hangzhou, China
- Cancer Centre, Zhejiang University, Hangzhou, Zhejiang, China
| | - Xiaoming Xu
- Department of Pathology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Jian Huang
- Department of Breast Surgery (Surgical Oncology), Second Affiliated Hospital, Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou, Zhejiang, China.
- Key Laboratory of Tumor Microenvironment and Immune Therapy of Zhejiang Province, Hangzhou, China.
- Cancer Centre, Zhejiang University, Hangzhou, Zhejiang, China.
- Cancer Institute, Key Laboratory of Cancer Prevention and Intervention, Ministry of Education, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.
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Coelingh Bennink HJT, Schultz IJ, Schmidt M, Jordan VC, Briggs P, Egberts JFM, Gemzell-Danielsson K, Kiesel L, Kluivers K, Krijgh J, Simoncini T, Stanczyk FZ, Langer RD. Progesterone from ovulatory menstrual cycles is an important cause of breast cancer. Breast Cancer Res 2023; 25:60. [PMID: 37254150 DOI: 10.1186/s13058-023-01661-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Accepted: 05/22/2023] [Indexed: 06/01/2023] Open
Abstract
Many factors, including reproductive hormones, have been linked to a woman's risk of developing breast cancer (BC). We reviewed the literature regarding the relationship between ovulatory menstrual cycles (MCs) and BC risk. Physiological variations in the frequency of MCs and interference with MCs through genetic variations, pathological conditions and or pharmaceutical interventions revealed a strong link between BC risk and the lifetime number of MCs. A substantial reduction in BC risk is observed in situations without MCs. In genetic or transgender situations with normal female breasts and estrogens, but no progesterone (P4), the incidence of BC is very low, suggesting an essential role of P4. During the MC, P4 has a strong proliferative effect on normal breast epithelium, whereas estradiol (E2) has only a minimal effect. The origin of BC has been strongly linked to proliferation associated DNA replication errors, and the repeated stimulation of the breast epithelium by P4 with each MC is likely to impact the epithelial mutational burden. Long-lived cells, such as stem cells, present in the breast epithelium, can carry mutations forward for an extended period of time, and studies show that breast tumors tend to take decades to develop before detection. We therefore postulate that P4 is an important factor in a woman's lifetime risk of developing BC, and that breast tumors arising during hormonal contraception or after menopause, with or without menopausal hormone therapy, are the consequence of the outgrowth of pre-existing neoplastic lesions, eventually stimulated by estrogens and some progestins.
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Affiliation(s)
| | - Iman J Schultz
- Pantarhei Bioscience BV, P.O. Box 464, 3700 AL, Zeist, The Netherlands
| | - Marcus Schmidt
- Department of Obstetrics and Gynaecology, University Medical Center Mainz, Mainz, Germany
| | - V Craig Jordan
- Department of Breast Medical Oncology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Paula Briggs
- Sexual and Reproductive Health, Liverpool Women's NHS Foundation Trust, Liverpool, UK
| | | | | | - Ludwig Kiesel
- Department of Gynaecology and Obstetrics, University of Münster, Münster, Germany
| | - Kirsten Kluivers
- Department of Obstetrics and Gynaecology, Radboud University Medical Centre, Nijmegen, The Netherlands
| | - Jan Krijgh
- Pantarhei Bioscience BV, P.O. Box 464, 3700 AL, Zeist, The Netherlands
| | - Tommaso Simoncini
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Frank Z Stanczyk
- Department of Obstetrics and Gynaecology, University of Southern California, Keck School of Medicine, Los Angeles, CA, USA
| | - Robert D Langer
- Department of Family Medicine and Public Health, University of California San Diego School of Medicine, San Diego, CA, USA
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Caputo A, Vipparthi K, Bazeley P, Downs-Kelly E, McIntire P, Ni Y, Hu B, Keri RA, Karaayvaz M. Alterations in the preneoplastic breast microenvironment of BRCA1/ 2 mutation carriers revealed by spatial transcriptomics. bioRxiv 2023:2023.05.24.542078. [PMID: 37292816 PMCID: PMC10245938 DOI: 10.1101/2023.05.24.542078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Breast cancer is the most common cancer in females, affecting one in every eight women and accounting for the majority of cancer-related deaths in women worldwide. Germline mutations in the BRCA1 and BRCA2 genes are significant risk factors for specific subtypes of breast cancer. BRCA1 mutations are associated with basal-like breast cancers, whereas BRCA2 mutations are associated with luminal-like disease. There are currently few chemoprevention strategies available for BRCA1/2 mutation carriers, and irreversible prophylactic mastectomy is the primary option. Designing chemo-preventive strategies requires an in-depth understanding of the physiological processes underlying tumor initiation. Here, we employ spatial transcriptomics to investigate defects in mammary epithelial cell differentiation accompanied by distinct microenvironmental alterations in preneoplastic breast tissues from BRCA1/2 mutation carriers and normal breast tissues from non-carrier controls. We uncovered spatially defined receptor-ligand interactions in these tissues for the investigation of autocrine and paracrine signaling. We discovered that β1-integrin-mediated autocrine signaling in BRCA2-deficient mammary epithelial cells differs from BRCA1-deficient mammary epithelial cells. In addition, we found that the epithelial-to-stromal paracrine signaling in the breast tissues of BRCA1/2 mutation carriers is greater than in control tissues. More integrin-ligand pairs were differentially correlated in BRCA1/2-mutant breast tissues than non-carrier breast tissues with more integrin receptor-expressing stromal cells. These results reveal alterations in the communication between mammary epithelial cells and the microenvironment in BRCA1 and BRCA2 mutation carriers, laying the foundation for designing innovative breast cancer chemo-prevention strategies for high-risk patients.
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Affiliation(s)
- Anthony Caputo
- Genomic Medicine Institute, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Kavya Vipparthi
- Genomic Medicine Institute, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Peter Bazeley
- Department of Quantitative Health Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Erinn Downs-Kelly
- Department of Pathology, Pathology & Laboratory Medicine Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Patrick McIntire
- Department of Pathology, Pathology & Laboratory Medicine Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Ying Ni
- Center for Immunotherapy & Precision Immuno-Oncology, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Bo Hu
- Department of Quantitative Health Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Ruth A. Keri
- Department of Cancer Biology, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
- Case Comprehensive Cancer Center, Case Western Reserve University School of Medicine, Cleveland, OH, USA
- Department of Molecular Medicine, Cleveland Clinic Lerner College of Medicine, Case Western Reserve University, Cleveland, OH, USA
| | - Mihriban Karaayvaz
- Genomic Medicine Institute, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
- Case Comprehensive Cancer Center, Case Western Reserve University School of Medicine, Cleveland, OH, USA
- Department of Molecular Medicine, Cleveland Clinic Lerner College of Medicine, Case Western Reserve University, Cleveland, OH, USA
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Patel OV, Partridge C, Plaut K. Space Environment Impacts Homeostasis: Exposure to Spaceflight Alters Mammary Gland Transportome Genes. Biomolecules 2023; 13:biom13050872. [PMID: 37238741 DOI: 10.3390/biom13050872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 04/22/2023] [Accepted: 05/16/2023] [Indexed: 05/28/2023] Open
Abstract
Membrane transporters and ion channels that play an indispensable role in metabolite trafficking have evolved to operate in Earth's gravity. Dysregulation of the transportome expression profile at normogravity not only affects homeostasis along with drug uptake and distribution but also plays a key role in the pathogenesis of diverse localized to systemic diseases including cancer. The profound physiological and biochemical perturbations experienced by astronauts during space expeditions are well-documented. However, there is a paucity of information on the effect of the space environment on the transportome profile at an organ level. Thus, the goal of this study was to analyze the effect of spaceflight on ion channels and membrane substrate transporter genes in the periparturient rat mammary gland. Comparative gene expression analysis revealed an upregulation (p < 0.01) of amino acid, Ca2+, K+, Na+, Zn2+, Cl-, PO43-, glucose, citrate, pyruvate, succinate, cholesterol, and water transporter genes in rats exposed to spaceflight. Genes associated with the trafficking of proton-coupled amino acids, Mg2+, Fe2+, voltage-gated K+-Na+, cation-coupled chloride, as well as Na+/Ca2+ and ATP-Mg/Pi exchangers were suppressed (p < 0.01) in these spaceflight-exposed rats. These findings suggest that an altered transportome profile contributes to the metabolic modulations observed in the rats exposed to the space environment.
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Affiliation(s)
- Osman V Patel
- Cell and Molecular Biology Department, Grand Valley State University, Allendale, MI 49401, USA
| | - Charlyn Partridge
- Annis Water Resources Institute, Grand Valley State University, Muskegon, MI 49441, USA
| | - Karen Plaut
- Department of Animal Sciences, Purdue University, West Lafayette, IN 47906, USA
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Araki M, Noguchi S, Kubo Y, Yasuda A, Koh M, Otsuka H, Yokosuka M, Soeta S. Expression of type VI collagen α3 chain in canine mammary carcinomas. Res Vet Sci 2023; 159:171-182. [PMID: 37148736 DOI: 10.1016/j.rvsc.2023.04.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 03/06/2023] [Accepted: 04/13/2023] [Indexed: 05/08/2023]
Abstract
This study aimed to investigate the expression of type VI collagen α3 chain (COL6a3) in neoplastic cells of canine mammary gland carcinomas (CMGCs) using immunohistochemistry (IHC) and to evaluate the association between COL6a3 expression and tumor histological features, histological grades, and the differentiation status of neoplastic epithelial cells. COL6a3 expression in carcinoma cells was significantly associated with histologically low malignancy and low mitotic indices. In addition, COL6a3+ carcinoma cells were more frequently detected in simple carcinomas (tubular and tubulopapillary types) than in solid carcinomas. These findings indicate that reduced expression of COL6a3 in carcinoma cells contributes to the malignant phenotype in CMGCs. We also showed that COL6a3 expression in the carcinoma cells was more frequently detected in CK19+/CD49f + and/or CK19+/CK5+ tumors. In addition, COL6a3+/CK19+/CD49f + and COL6a3+/CK19+/CK5+ tumors consisted of CK19+/CD49f + and CK19+/CD49f- cells, and CK19+/CK5+ and CK19+/CK5- cells, respectively. Most of these tumors more frequently expressed GATA3, but not Notch1. These results indicate that COL6a3 is expressed in CMGCs containing both luminal progenitor-like and mature luminal-like cells and showing differentiation ability into mature luminal cells. It is possible that COL6 may be involved in the differentiation of luminal progenitor-like carcinoma cells into mature luminal-like carcinoma cells in CMGCs, which may suppresses the development of malignant phenotypes in CMGCs.
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Affiliation(s)
- Mami Araki
- Laboratory of Veterinary Anatomy, Faculty of Veterinary Science, Nippon Veterinary and Life Science University, 1-7-1, Kyonan-cho, Musashino-shi, Tokyo, Japan
| | - Syunya Noguchi
- Department of Molecular Medicine and Anatomy, Nippon Medical School, 1-1-5, Sendagi, Bunkyo-ku, Tokyo, Japan
| | - Yoshiaki Kubo
- Veterinary Medical Teaching Hospital, Attached Facility, Nippon Veterinary and Life Science University, 1-7-1, Kyonan-cho, Musashino-shi, Tokyo, Japan
| | - Akiko Yasuda
- Veterinary Medical Teaching Hospital, Attached Facility, Nippon Veterinary and Life Science University, 1-7-1, Kyonan-cho, Musashino-shi, Tokyo, Japan
| | - Miki Koh
- Laboratory of Veterinary Anatomy, Faculty of Veterinary Science, Nippon Veterinary and Life Science University, 1-7-1, Kyonan-cho, Musashino-shi, Tokyo, Japan
| | - Hirotada Otsuka
- Laboratory of Veterinary Anatomy, Faculty of Veterinary Science, Nippon Veterinary and Life Science University, 1-7-1, Kyonan-cho, Musashino-shi, Tokyo, Japan
| | - Makoto Yokosuka
- Laboratory of Comparative and Behavioral Medicine, Faculty of Veterinary Science, Nippon Veterinary and Life Science University, 1-7-1, Kyonan-cho, Musashino-shi, Tokyo, Japan
| | - Satoshi Soeta
- Laboratory of Veterinary Anatomy, Faculty of Veterinary Science, Nippon Veterinary and Life Science University, 1-7-1, Kyonan-cho, Musashino-shi, Tokyo, Japan.
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Yan H, Zhou T, Wang Y, Liu Z, Ali I, Sheng L, Jiang Q, Li T, Xiang M, Li P, Zhang W, Teng Y, Li H, Liu Y, Cai Y. CDK5RAP3, a key defender of udder, modulates NLRP3 inflammasome activation by regulating autophagolysosome degradation in S. agalactiae-infected mastitis. Int J Biol Macromol 2023; 234:123714. [PMID: 36806767 DOI: 10.1016/j.ijbiomac.2023.123714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Revised: 02/10/2023] [Accepted: 02/11/2023] [Indexed: 02/21/2023]
Abstract
Streptococcus agalactiae, as one of the main pathogens of clinical and subclinical mastitis, affects animal welfare and leads to huge economic losses to farms due to the sharp decline in milk yield. However, both the real pathogenic mechanisms of S. agalactiae-induced mastitis and the regulator which controls the inflammation and autophagy are largely unknown. Served as a substrate of ubiquitin-like proteins of E3 ligase, CDK5RAP3 is widely involved in the regulation of multiple signaling pathways. Our findings revealed that CDK5RAP3 was significantly down-regulated in mastitis infected by S. agalactiae. Surprisingly, inflammasome activation was triggered by CDK5RAP3 knockdown: up-regulated NLRP3, IL1β and IL6, and cleaved caspase1 promoting by NF-κB, thereby resulting in pyroptosis. Additionally, the accumulation of autophagy markers (LC3B and p62) after CDK5RAP3 knockdown suggested that the autophagolysosome degradation pathway was inhibited, thereby activating the NF-κB pathway and NLRP3 inflammasome. Hence, our findings suggest that downregulation or ablation of CDK5RAP3 inhibits autophagolysosome degradation, causes inflammation by activating the NF-κB /NLRP3 inflammasome, and triggers cell death. In conclusion, CDK5RAP3 holds the key to understanding the interaction between autophagy and immune responses, its anti-inflammatory role in this study will throw new light on the clinical drug discovery to cure S. agalactiae mastitis.
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Affiliation(s)
- Hongchen Yan
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Tianci Zhou
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Yongsheng Wang
- Department of Respiratory Medicine, Nanjing Drum Tower Hospital Affiliated to Medical school of Nanjing University, Nanjing 210008, China
| | - Zhengcheng Liu
- Department of Cardiovascular and Thoracic Surgery, Nanjing Drum Tower Hospital, the Affiliated Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - Ilyas Ali
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Le Sheng
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Qiang Jiang
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Tao Li
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Minghui Xiang
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Ping Li
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Wei Zhang
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Yong Teng
- Department of Hematology and Medical Oncology, Winship Cancer Institute, Emory University School of Medicine, Atlanta, GA, 30322, USA
| | - Honglin Li
- Department of Biochemistry and Molecular Biology, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
| | - Yang Liu
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China.
| | - Yafei Cai
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China.
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Loric S, Denis JA, Desbene C, Sabbah M, Conti M. Extracellular Vesicles in Breast Cancer: From Biology and Function to Clinical Diagnosis and Therapeutic Management. Int J Mol Sci 2023; 24:7208. [PMID: 37108371 PMCID: PMC10139222 DOI: 10.3390/ijms24087208] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 04/03/2023] [Accepted: 04/09/2023] [Indexed: 04/29/2023] Open
Abstract
Breast cancer (BC) is the first worldwide most frequent cancer in both sexes and the most commonly diagnosed in females. Although BC mortality has been thoroughly declining over the past decades, there are still considerable differences between women diagnosed with early BC and when metastatic BC is diagnosed. BC treatment choice is widely dependent on precise histological and molecular characterization. However, recurrence or distant metastasis still occurs even with the most recent efficient therapies. Thus, a better understanding of the different factors underlying tumor escape is mainly mandatory. Among the leading candidates is the continuous interplay between tumor cells and their microenvironment, where extracellular vesicles play a significant role. Among extracellular vesicles, smaller ones, also called exosomes, can carry biomolecules, such as lipids, proteins, and nucleic acids, and generate signal transmission through an intercellular transfer of their content. This mechanism allows tumor cells to recruit and modify the adjacent and systemic microenvironment to support further invasion and dissemination. By reciprocity, stromal cells can also use exosomes to profoundly modify tumor cell behavior. This review intends to cover the most recent literature on the role of extracellular vesicle production in normal and cancerous breast tissues. Specific attention is paid to the use of extracellular vesicles for early BC diagnosis, follow-up, and prognosis because exosomes are actually under the spotlight of researchers as a high-potential source of liquid biopsies. Extracellular vesicles in BC treatment as new targets for therapy or efficient nanovectors to drive drug delivery are also summarized.
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Affiliation(s)
- Sylvain Loric
- INSERM U538, CRSA, Saint-Antoine University Hospital, 75012 Paris, France; (J.A.D.)
| | | | - Cédric Desbene
- INSERM U538, CRSA, Saint-Antoine University Hospital, 75012 Paris, France; (J.A.D.)
| | - Michèle Sabbah
- INSERM U538, CRSA, Saint-Antoine University Hospital, 75012 Paris, France; (J.A.D.)
| | - Marc Conti
- INSERM U538, CRSA, Saint-Antoine University Hospital, 75012 Paris, France; (J.A.D.)
- INTEGRACELL SAS, 91160 Longjumeau, France
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Ben-Yaakov H, Meshel T, Pasmanik-Chor M, Körner C, Ben-Baruch A. A Tumor Microenvironment-Driven Network Regulated by STAT3 and p65 Negatively Controls the Enrichment of Cancer Stem Cells in Human HR+/HER2- Breast Cancer. Cancers (Basel) 2023; 15:cancers15082255. [PMID: 37190183 DOI: 10.3390/cancers15082255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 04/04/2023] [Accepted: 04/05/2023] [Indexed: 05/17/2023] Open
Abstract
Hormone receptor-positive and HER2-negative (HR+/HER2-; luminal A) tumors are prevalent in breast cancer. Our past studies demonstrated that "TME Stimulation" (estrogen + TNFα + EGF, representing three arms of the tumor microenvironment, TME) has enriched metastasis-forming cancer stem cells (CSCs) in HR+/HER2- human breast cancer cells. Here, following information obtained by RNAseq analyses of TME-stimulated CSCs and Non-CSCs, we found that TME Stimulation has induced the activation of S727-STAT3, Y705-STAT3, STAT1 and p65. Upon TME Stimulation, stattic (STAT3 inhibitor) usage demonstrated that Y705-STAT3 activation negatively controlled CSC enrichment and epithelial-to-mesenchymal transition (EMT) traits, while inducing CXCL8 (IL-8) and PD-L1 expression. However, STAT3 knock-down (siSTAT3) had no effect on these functions; in terms of CSC enrichment, p65 had down-regulatory roles that compensated for the loss of an entire STAT3 protein. Y705-STAT3 and p65 acted additively in reducing CSC enrichment, and Y705A-STAT3 variant + sip65 has enriched chemo-resistant CSCs. Clinical data analyses revealed an inverse correlation between Y705-STAT3 + p65 phosphorylation and CSC signature in luminal A patients, and connection to improved disease course. Overall, we find regulatory roles for Y705-STAT3 and p65 in TME-stimulated HR+/HER2- tumors, with the ability to limit CSC enrichment. These findings raise concerns about using inhibitors of STAT3 and p65 as therapeutic strategies in the clinic.
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Affiliation(s)
- Hagar Ben-Yaakov
- The Shmunis School of Biomedicine and Cancer Research, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Tsipi Meshel
- The Shmunis School of Biomedicine and Cancer Research, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Metsada Pasmanik-Chor
- Bioinformatics Unit, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Cindy Körner
- Division of Molecular Genome Analysis, German Cancer Research Center, 69120 Heidelberg, Germany
| | - Adit Ben-Baruch
- The Shmunis School of Biomedicine and Cancer Research, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv 6997801, Israel
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40
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Nee K, Ma D, Nguyen QH, Pein M, Pervolarakis N, Insua-Rodríguez J, Gong Y, Hernandez G, Alshetaiwi H, Williams J, Rauf M, Dave KR, Boyapati K, Hasnain A, Calderon C, Markaryan A, Edwards R, Lin E, Parajuli R, Zhou P, Nie Q, Shalabi S, LaBarge MA, Kessenbrock K. Preneoplastic stromal cells promote BRCA1-mediated breast tumorigenesis. Nat Genet 2023; 55:595-606. [PMID: 36914836 PMCID: PMC10655552 DOI: 10.1038/s41588-023-01298-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Accepted: 12/28/2022] [Indexed: 03/16/2023]
Abstract
Women with germline BRCA1 mutations (BRCA1+/mut) have increased risk for hereditary breast cancer. Cancer initiation in BRCA1+/mut is associated with premalignant changes in breast epithelium; however, the role of the epithelium-associated stromal niche during BRCA1-driven tumor initiation remains unclear. Here we show that the premalignant stromal niche promotes epithelial proliferation and mutant BRCA1-driven tumorigenesis in trans. Using single-cell RNA sequencing analysis of human preneoplastic BRCA1+/mut and noncarrier breast tissues, we show distinct changes in epithelial homeostasis including increased proliferation and expansion of basal-luminal intermediate progenitor cells. Additionally, BRCA1+/mut stromal cells show increased expression of pro-proliferative paracrine signals. In particular, we identify pre-cancer-associated fibroblasts (pre-CAFs) that produce protumorigenic factors including matrix metalloproteinase 3 (MMP3), which promotes BRCA1-driven tumorigenesis in vivo. Together, our findings demonstrate that precancerous stroma in BRCA1+/mut may elevate breast cancer risk through the promotion of epithelial proliferation and an accumulation of luminal progenitor cells with altered differentiation.
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Affiliation(s)
- Kevin Nee
- Department of Biological Chemistry, University of California, Irvine, CA, USA
| | - Dennis Ma
- Department of Biological Chemistry, University of California, Irvine, CA, USA
| | - Quy H Nguyen
- Department of Biological Chemistry, University of California, Irvine, CA, USA
| | - Maren Pein
- Department of Biological Chemistry, University of California, Irvine, CA, USA
| | - Nicholas Pervolarakis
- Department of Biological Chemistry, University of California, Irvine, CA, USA
- Center for Complex Biological Systems, University of California, Irvine, CA, USA
| | | | - Yanwen Gong
- Department of Biological Chemistry, University of California, Irvine, CA, USA
- Center for Complex Biological Systems, University of California, Irvine, CA, USA
| | - Grace Hernandez
- Department of Biological Chemistry, University of California, Irvine, CA, USA
| | - Hamad Alshetaiwi
- Department of Biological Chemistry, University of California, Irvine, CA, USA
- Department of Pathology, University of Hail, Hail, Saudi Arabia
| | - Justice Williams
- Department of Biological Chemistry, University of California, Irvine, CA, USA
| | - Maha Rauf
- Department of Biological Chemistry, University of California, Irvine, CA, USA
| | - Kushal Rajiv Dave
- Department of Biological Chemistry, University of California, Irvine, CA, USA
| | - Keerti Boyapati
- Department of Biological Chemistry, University of California, Irvine, CA, USA
| | - Aliza Hasnain
- Department of Biological Chemistry, University of California, Irvine, CA, USA
| | - Christian Calderon
- Department of Biological Chemistry, University of California, Irvine, CA, USA
| | - Anush Markaryan
- Department of Biological Chemistry, University of California, Irvine, CA, USA
| | - Robert Edwards
- Department of Pathology and Laboratory Medicine, University of California Irvine Medical Center, Orange, CA, USA
| | - Erin Lin
- Department of Surgery, University of California Irvine Medical Center, Orange, CA, USA
| | - Ritesh Parajuli
- Department of Surgery, University of California Irvine Medical Center, Orange, CA, USA
| | - Peijie Zhou
- Department of Mathematics, University of California, Irvine, CA, USA
- The NSF-Simons Center for Multiscale Cell Fate Research, University of California, Irvine, CA, USA
| | - Qing Nie
- Department of Mathematics, University of California, Irvine, CA, USA
- The NSF-Simons Center for Multiscale Cell Fate Research, University of California, Irvine, CA, USA
| | - Sundus Shalabi
- Beckman Research Institute at City of Hope, Duarte, CA, USA
| | - Mark A LaBarge
- Beckman Research Institute at City of Hope, Duarte, CA, USA
| | - Kai Kessenbrock
- Department of Biological Chemistry, University of California, Irvine, CA, USA.
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Suzuki K, Imaoka T, Tomita M, Sasatani M, Doi K, Tanaka S, Kai M, Yamada Y, Kakinuma S. Molecular and cellular basis of the dose-rate-dependent adverse effects of radiation exposure in animal models. Part I: Mammary gland and digestive tract. J Radiat Res 2023; 64:210-227. [PMID: 36773323 PMCID: PMC10036108 DOI: 10.1093/jrr/rrad002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Revised: 10/04/2022] [Indexed: 06/18/2023]
Abstract
While epidemiological data are available for the dose and dose-rate effectiveness factor (DDREF) for human populations, animal models have contributed significantly to providing quantitative data with mechanistic insights. The aim of the current review is to compile both the in vitro experiments with reference to the dose-rate effects of DNA damage and repair, and the animal studies, specific to rodents, with reference to the dose-rate effects of cancer development. In particular, the review focuses especially on the results pertaining to underlying biological mechanisms and discusses their possible involvement in the process of radiation-induced carcinogenesis. Because the concept of adverse outcome pathway (AOP) together with the key events has been considered as a clue to estimate radiation risks at low doses and low dose-rates, the review scrutinized the dose-rate dependency of the key events related to carcinogenesis, which enables us to unify the underlying critical mechanisms to establish a connection between animal experimental studies with human epidemiological studies.
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Affiliation(s)
- Keiji Suzuki
- Corresponding author. Department of Radiation Medical Sciences, Nagasaki University Atomic Bomb Disease Institute. 1-12-4 Sakamoto, Nagasaki 852-8523, Japan. Tel: +81-95-819-7116; Fax: +81-95-819-7117;
| | | | | | | | - Kazutaka Doi
- Department of Radiation Regulatory Science Research, National Institute of Radiological Sciences (NIRS), National Institutes for Quantum Science and Technology (QST), 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan
| | - Satoshi Tanaka
- Department of Radiobiology, Institute for Environmental Sciences, 1-7 Ienomae, Obuchi, Rokkasho-mura, Kamikita-gun, Aomori 039-3212, Japan
| | - Michiaki Kai
- Nippon Bunri University, 1727-162 Ichiki, Oita, Oita 870-0397, Japan
| | - Yutaka Yamada
- Department of Radiation Effects Research, National Institute of Radiological Sciences (NIRS), National Institutes for Quantum Science and Technology (QST), 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan
| | - Shizuko Kakinuma
- Department of Radiation Effects Research, National Institute of Radiological Sciences (NIRS), National Institutes for Quantum Science and Technology (QST), 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan
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Nolan E, Lindeman GJ, Visvader JE. Deciphering breast cancer: from biology to the clinic. Cell 2023; 186:1708-1728. [PMID: 36931265 DOI: 10.1016/j.cell.2023.01.040] [Citation(s) in RCA: 58] [Impact Index Per Article: 58.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 01/14/2023] [Accepted: 01/30/2023] [Indexed: 03/17/2023]
Abstract
Breast cancer remains a leading cause of cancer-related mortality in women, reflecting profound disease heterogeneity, metastasis, and therapeutic resistance. Over the last decade, genomic and transcriptomic data have been integrated on an unprecedented scale and revealed distinct cancer subtypes, critical molecular drivers, clonal evolutionary trajectories, and prognostic signatures. Furthermore, multi-dimensional integration of high-resolution single-cell and spatial technologies has highlighted the importance of the entire breast cancer ecosystem and the presence of distinct cellular "neighborhoods." Clinically, a plethora of new targeted therapies has emerged, now being rapidly incorporated into routine care. Resistance to therapy, however, remains a crucial challenge for the field.
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Affiliation(s)
- Emma Nolan
- Auckland Cancer Society Research Centre, University of Auckland, Auckland 1023, New Zealand
| | - Geoffrey J Lindeman
- ACRF Cancer Biology and Stem Cells Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia; Department of Medicine, Royal Melbourne Hospital, University of Melbourne, Parkville, VIC 3050, Australia; Department of Medical Oncology, Peter MacCallum Cancer Centre, Melbourne, VIC 3000, Australia
| | - Jane E Visvader
- ACRF Cancer Biology and Stem Cells Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia; Department of Medical Biology, University of Melbourne, Parkville, VIC 3010, Australia.
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43
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Dong X, Lin X, Hou Q, Hu Z, Wang Y, Wang Z. Effect of Maternal Gradient Nutritional Restriction during Pregnancy on Mammary Gland Development in Offspring. Animals (Basel) 2023; 13:ani13050946. [PMID: 36899802 PMCID: PMC10000074 DOI: 10.3390/ani13050946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 02/17/2023] [Accepted: 03/02/2023] [Indexed: 03/08/2023] Open
Abstract
We aimed to investigate the effect of different levels of nutritional restriction on mammary gland development during the embryonic period by gradient nutritional restriction in pregnant female mice. We started the nutritional restriction of 60 female CD-1(ICR) mice from day 9 of gestation based on 100%, 90%, 80%, 70% and 60% of ad libitum intake. After delivery, the weight and body fat of the offspring and the mother were recorded (n = 12). Offspring mammary development and gene expression were explored by whole mount and qPCR. Mammary development patterns of in offspring were constructed using Sholl analysis, principal component analysis (PCA) and regression analysis. We found that: (1) Mild maternal nutritional restriction (90-70% of ad libitum intake) did not affect offspring weight, while body fat percentage was more sensitive to nutritional restriction (lower at 80% ad libitum feeding). (2) A precipitous drop in mammary development and altered developmental patterns occurred when nutritional restriction ranged from 80% to 70% of ad libitum intake. (3) Mild maternal nutritional restriction (90% of ad libitum intake) promoted mammary-development-related gene expression. In conclusion, our results suggest that mild maternal nutritional restriction during gestation contributes to increased embryonic mammary gland development. When maternal nutritional restriction reaches 70% of ad libitum intake, the mammary glands of the offspring show noticeable maldevelopment. Our results help provide a theoretical basis for the effect of maternal nutritional restriction during gestation on offspring mammary development and a reference for the amount of maternal nutritional restriction.
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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] [What about the content of this article? (0)] [Affiliation(s)] [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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45
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Yu ZL, Liu J, Ning ZK, Tian HK, Wu X, Huang YF, Wu ZC, Zong Z, Zhou TC. The TGF-β/Smad 2/3 signaling pathway is involved in Musashi2-induced invasion and metastasis of colorectal cancer. Mol Carcinog 2023; 62:261-276. [PMID: 36345938 DOI: 10.1002/mc.23484] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 06/08/2022] [Accepted: 06/20/2022] [Indexed: 11/11/2022]
Abstract
To identify Musashi2 as an effective biomarker regulated by the TGF-β/Smad2/3 signaling pathway for the precise diagnosis and treatment of colorectal cancer (CRC) through bioinformatic tools and experimental verification. The Cancer Genome Atlas, Timer, and Kaplan-Meier analyses were performed to clarify the expression of Musashi2 and its influence on the prognosis of CRC. Transforming growth factor beta 1 (TGF-β1) was used to activate the TGF-β/Smad2/3 signaling pathway to identify whether it could regulate the expression and function of Musashi2. Western blot analysis and quantitative PCR analyses were conducted to verify the expression of Musashi2. Cell counting kit-8 (CCK8), EdU, wound healing, and Transwell assays were conducted to reveal the role of Musashi2 in the proliferation, migration, and invasion of CRC. Musashi2 was upregulated in CRC and promoted proliferation and metastasis. TGF-β1 increased the expression of Musashi2, while the antagonist inducer of type II TGF-β receptor degradation-1 (ITD-1) decreased the expression. CCK8 and EdU assays demonstrated that inhibition of Musashi2 or use of ITD-1 lowered proliferation ability. The Transwell and wound healing assays showed that the migration and invasion abilities of CRC cells could be regulated by Musashi2. The above functions could be enhanced by TGF-β1 by activating the TGF-β/Smad2/3 signaling pathway and reversed by ITD-1. A positive correlation was found between Musashi2 and the TGF-β/Smad2/3 signaling pathway. TGF-β1 activates the TGF-β/Smad2/3 pathway to stimulate the expression of Musashi2, which promotes the progression of CRC. Musashi2 might become a target gene for the development of new antitumor drugs.
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Affiliation(s)
- Zhong Lin Yu
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Jiang Liu
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Zhi Kun Ning
- Department of Day Ward, First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Hua Kai Tian
- Department of General Surgery, First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Xun Wu
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Ying Feng Huang
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Zi Chun Wu
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Zhen Zong
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Tai Cheng Zhou
- Department of Gastroenterological Surgery and Hernia Center, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong, China
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46
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Gong S, Shahriyari L. A Review of Stochastic and Deterministic Modeling of Stem Cell Dynamics. Curr Stem Cell Rep 2023. [DOI: 10.1007/s40778-023-00225-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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47
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Fankhaenel M, Hashemi FSG, Mourao L, Lucas E, Hosawi MM, Skipp P, Morin X, Scheele CLGJ, Elias S. Annexin A1 is a polarity cue that directs mitotic spindle orientation during mammalian epithelial morphogenesis. Nat Commun 2023; 14:151. [PMID: 36631478 PMCID: PMC9834401 DOI: 10.1038/s41467-023-35881-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 01/05/2023] [Indexed: 01/12/2023] Open
Abstract
Oriented cell divisions are critical for the formation and maintenance of structured epithelia. Proper mitotic spindle orientation relies on polarised anchoring of force generators to the cell cortex by the evolutionarily conserved protein complex formed by the Gαi subunit of heterotrimeric G proteins, the Leucine-Glycine-Asparagine repeat protein (LGN) and the nuclear mitotic apparatus protein. However, the polarity cues that control cortical patterning of this ternary complex remain largely unknown in mammalian epithelia. Here we identify the membrane-associated protein Annexin A1 (ANXA1) as an interactor of LGN in mammary epithelial cells. Annexin A1 acts independently of Gαi to instruct the accumulation of LGN and nuclear mitotic apparatus protein at the lateral cortex to ensure cortical anchoring of Dynein-Dynactin and astral microtubules and thereby planar alignment of the mitotic spindle. Loss of Annexin A1 randomises mitotic spindle orientation, which in turn disrupts epithelial architecture and luminogenesis in three-dimensional cultures of primary mammary epithelial cells. Our findings establish Annexin A1 as an upstream cortical cue that regulates LGN to direct planar cell divisions during mammalian epithelial morphogenesis.
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Affiliation(s)
- Maria Fankhaenel
- School of Biological Sciences, University of Southampton, Southampton, SO17 1BJ, UK.,Insitute for Life Sciences, University of Southampton, Southampton, SO17 1BJ, UK
| | - Farahnaz S Golestan Hashemi
- School of Biological Sciences, University of Southampton, Southampton, SO17 1BJ, UK.,Insitute for Life Sciences, University of Southampton, Southampton, SO17 1BJ, UK
| | - Larissa Mourao
- VIB-KULeuven Center for Cancer Biology, Herestraat 49, 3000, Leuven, Belgium
| | - Emily Lucas
- School of Biological Sciences, University of Southampton, Southampton, SO17 1BJ, UK.,Insitute for Life Sciences, University of Southampton, Southampton, SO17 1BJ, UK
| | - Manal M Hosawi
- School of Biological Sciences, University of Southampton, Southampton, SO17 1BJ, UK.,Insitute for Life Sciences, University of Southampton, Southampton, SO17 1BJ, UK
| | - Paul Skipp
- School of Biological Sciences, University of Southampton, Southampton, SO17 1BJ, UK.,Insitute for Life Sciences, University of Southampton, Southampton, SO17 1BJ, UK.,Centre for Proteomic Research, University of Southampton, Southampton, SO17 1BJ, UK
| | - Xavier Morin
- Ecole Normale Supérieure, CNRS, Inserm, Institut de Biologie de l'Ecole Normale Supérieure (IBENS), PSL Research University, Paris, France
| | | | - Salah Elias
- School of Biological Sciences, University of Southampton, Southampton, SO17 1BJ, UK. .,Insitute for Life Sciences, University of Southampton, Southampton, SO17 1BJ, UK.
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48
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Araki M, Noguchi S, Kubo Y, Yasuda A, Koh M, Otsuka H, Yokosuka M, Soeta S. Expression of receptor-type tumour endothelial marker 8 in carcinoma cells showing luminal progenitor-like phenotypes in canine mammary gland carcinomas. J Comp Pathol 2023; 200:35-45. [PMID: 36641985 DOI: 10.1016/j.jcpa.2022.12.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 09/05/2022] [Accepted: 11/05/2022] [Indexed: 01/15/2023]
Abstract
This study aimed to investigate the expression of receptor-type tumour endothelial marker 8 (TEM8RT) in canine mammary gland carcinomas (CMGCs) using immunohistochemistry and to evaluate the association between carcinoma cell TEM8RT expression and tumour histological features, histological grades and the differentiation status of neoplastic epithelial cells. TEM8RT expression was more frequently detected in simple carcinomas (tubular and tubulopapillary) than in solid carcinomas, and it was significantly correlated with histological grade Ⅰ tumours and a low mitotic index. Additionally, TEM8RT+ carcinoma cells were more frequently found in CMGCs showing luminal progenitor-like phenotypes, such as Notch1+, CK19+/CK5+/CD49f+ and CK19+/CK5-/CD49f+. Double-labelling immunofluorescence detection techniques confirmed that most TEM8RT+ carcinoma cells expressed CD49f, Notch1 and CK19. However, TEM8RT immunoreactivity was not found in carcinoma cells expressing GATA3, which upregulates mature luminal cell differentiation. Furthermore, TEM8RT+ carcinoma cells were detected in a few CMGCs showing basal/stem cell-like phenotypes such as CK19-/CK5+/CD49f+ and CK19-/CK5+/CD49f-. These findings indicate that TEM8RT is expressed in luminal progenitor-like carcinoma cells in CMGCs. Since TEM8 enhances self-renewal in human mammary stem/progenitor cells, it also may be involved in maintenance of luminal progenitor-like carcinoma cells, resulting in prevention of their transition to basal/stem cell-like carcinoma cells and development of less malignant CMGCs. Therefore, TEM8RT may be useful for indicating prognostic outcomes and identifying the possible ontogeny of carcinoma cells in mammary gland tumours.
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Affiliation(s)
- Mami Araki
- Laboratory of Veterinary Anatomy, Faculty of Veterinary Science, Nippon Veterinary and Life Science University, Musashino-shi, Tokyo, Japan
| | - Syunya Noguchi
- Department of Molecular Medicine and Anatomy, Nippon Medical School, Sendagi, Bunkyo-ku, Tokyo, Japan
| | - Yoshiaki Kubo
- Veterinary Medical Teaching Hospital, Attached Facility, Nippon Veterinary and Life Science University, Musashino-shi, Tokyo, Japan
| | - Akiko Yasuda
- Veterinary Medical Teaching Hospital, Attached Facility, Nippon Veterinary and Life Science University, Musashino-shi, Tokyo, Japan
| | - Miki Koh
- Laboratory of Veterinary Anatomy, Faculty of Veterinary Science, Nippon Veterinary and Life Science University, Musashino-shi, Tokyo, Japan
| | - Hirotada Otsuka
- Laboratory of Veterinary Anatomy, Faculty of Veterinary Science, Nippon Veterinary and Life Science University, Musashino-shi, Tokyo, Japan
| | - Makoto Yokosuka
- Laboratory of Comparative and Behavioral Medicine, Faculty of Veterinary Science, Nippon Veterinary and Life Science University, Musashino-shi, Tokyo, Japan
| | - Satoshi Soeta
- Laboratory of Veterinary Anatomy, Faculty of Veterinary Science, Nippon Veterinary and Life Science University, Musashino-shi, Tokyo, Japan.
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49
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Alečković M, Cristea S, Gil Del Alcazar CR, Yan P, Ding L, Krop ED, Harper NW, Rojas Jimenez E, Lu D, Gulvady AC, Foidart P, Seehawer M, Diciaccio B, Murphy KC, Pyrdol J, Anand J, Garza K, Wucherpfennig KW, Tamimi RM, Michor F, Polyak K. Breast cancer prevention by short-term inhibition of TGFβ signaling. Nat Commun 2022; 13:7558. [PMID: 36476730 DOI: 10.1038/s41467-022-35043-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Accepted: 11/16/2022] [Indexed: 12/12/2022] Open
Abstract
Cancer prevention has a profound impact on cancer-associated mortality and morbidity. We previously identified TGFβ signaling as a candidate regulator of mammary epithelial cells associated with breast cancer risk. Here, we show that short-term TGFBR inhibitor (TGFBRi) treatment of peripubertal ACI inbred and Sprague Dawley outbred rats induces lasting changes and prevents estrogen- and carcinogen-induced mammary tumors, respectively. We identify TGFBRi-responsive cell populations by single cell RNA-sequencing, including a unique epithelial subpopulation designated secretory basal cells (SBCs) with progenitor features. We detect SBCs in normal human breast tissues and find them to be associated with breast cancer risk. Interactome analysis identifies SBCs as the most interactive cell population and the main source of insulin-IGF signaling. Accordingly, inhibition of TGFBR and IGF1R decrease proliferation of organoid cultures. Our results reveal a critical role for TGFβ in regulating mammary epithelial cells relevant to breast cancer and serve as a proof-of-principle cancer prevention strategy.
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50
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Xu R, Shandilya UK, Yiannikouris A, Karrow NA. Traditional and emerging Fusarium mycotoxins disrupt homeostasis of bovine mammary cells by altering cell permeability and innate immune function. Anim Nutr 2022; 12:388-397. [PMID: 36733782 PMCID: PMC9883199 DOI: 10.1016/j.aninu.2022.10.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 09/28/2022] [Accepted: 10/08/2022] [Indexed: 12/05/2022]
Abstract
High incidence of traditional and emerging Fusarium mycotoxins in cereal grains and silages can be a potential threat to feed safety and ruminants. Inadequate biodegradation of Fusarium mycotoxins by rumen microflora following ingestion of mycotoxin-contaminated feeds can lead to their circulatory transport to target tissues such as mammary gland. The bovine udder plays a pivotal role in maintaining milk yield and composition, thus, human health. However, toxic effects of Fusarium mycotoxins on bovine mammary gland are rarely studied. In this study, the bovine mammary epithelial cell line was used as an in-vitro model of bovine mammary epithelium to investigate effects of deoxynivalenol (DON), enniatin B (ENB) and beauvericin (BEA) on bovine mammary gland homeostasis. Results indicated that exposure to DON, ENB and BEA for 48 h significantly decreased cell viability in a concentration-dependent manner (P < 0.001). Exposure to DON at 0.39 μmol/L and BEA at 2.5 μmol/L for 48 h also decreased paracellular flux of FITC-40 kDa dextran (P < 0.05), whereas none of the mycotoxins affected transepithelial electrical resistance after 48 h exposure. The qPCR was performed for assessment of expression of gene coding tight junction (TJ) proteins, toll-like receptor 4 (TLR4) and cytokines after 4, 24 and 48 h of exposure. DON, ENB and BEA significantly upregulated the TJ protein zonula occludens-1, whereas markedly downregulated claudin 3 (P < 0.05). Exposure to DON at 1.35 μmol/L for 4 h significantly increased expression of occludin (P < 0.01). DON, ENB and BEA significant downregulated TLR4 (P < 0.05). In contrast, ENB markedly increased expression of cytokines interleukin-6 (IL-6) (P < 0.001), tumor necrosis factor α (TNF-a) (P < 0.05) and transforming growth factor-β (TGF-β) (P < 0.01). BEA significantly upregulated IL- 6 (P < 0.001) and TGF-β (P = 0.01), but downregulated TNF-α (P < 0.001). These results suggest that DON, ENB and BEA can disrupt mammary gland homeostasis by inducing cell death as well as altering its paracellular permeability and expression of genes involved in innate immune function.
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Affiliation(s)
- Ran Xu
- Department of Animal Biosciences, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - Umesh K. Shandilya
- Department of Animal Biosciences, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - Alexandros Yiannikouris
- Alltech Inc., Center for Animal Nutrigenomics and Applied Animal Nutrition, Nicholasville, KY 40356, USA
| | - Niel A. Karrow
- Department of Animal Biosciences, University of Guelph, Guelph, ON N1G 2W1, Canada,Corresponding author.
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