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Northey JJ, Hayward MK, Yui Y, Stashko C, Kai F, Mouw JK, Thakar D, Lakins JN, Ironside AJ, Samson S, Mukhtar RA, Hwang ES, Weaver VM. Mechanosensitive hormone signaling promotes mammary progenitor expansion and breast cancer risk. Cell Stem Cell 2024; 31:106-126.e13. [PMID: 38181747 PMCID: PMC11050720 DOI: 10.1016/j.stem.2023.12.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 09/19/2023] [Accepted: 12/06/2023] [Indexed: 01/07/2024]
Abstract
Tissue stem-progenitor cell frequency has been implicated in tumor risk and progression, but tissue-specific factors linking these associations remain ill-defined. We observed that stiff breast tissue from women with high mammographic density, who exhibit increased lifetime risk for breast cancer, associates with abundant stem-progenitor epithelial cells. Using genetically engineered mouse models of elevated integrin mechanosignaling and collagen density, syngeneic manipulations, and spheroid models, we determined that a stiff matrix and high mechanosignaling increase mammary epithelial stem-progenitor cell frequency and enhance tumor initiation in vivo. Augmented tissue mechanics expand stemness by potentiating extracellular signal-related kinase (ERK) activity to foster progesterone receptor-dependent RANK signaling. Consistently, we detected elevated phosphorylated ERK and progesterone receptors and increased levels of RANK signaling in stiff breast tissue from women with high mammographic density. The findings link fibrosis and mechanosignaling to stem-progenitor cell frequency and breast cancer risk and causally implicate epidermal growth factor receptor-ERK-dependent hormone signaling in this phenotype.
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Affiliation(s)
- Jason J Northey
- Department of Surgery, University of California, San Francisco, San Francisco, CA 94143, USA; Center for Bioengineering and Tissue Regeneration, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Mary-Kate Hayward
- Department of Surgery, University of California, San Francisco, San Francisco, CA 94143, USA; Center for Bioengineering and Tissue Regeneration, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Yoshihiro Yui
- Research Institute, Nozaki Tokushukai Hospital, Tanigawa 2-10-50, Daito, Osaka 574-0074, Japan
| | - Connor Stashko
- Department of Surgery, University of California, San Francisco, San Francisco, CA 94143, USA; Center for Bioengineering and Tissue Regeneration, University of California, San Francisco, San Francisco, CA 94143, USA
| | - FuiBoon Kai
- Department of Physiology & Pharmacology, University of Calgary, Calgary, AB T2N1N4, Canada; Department of Biochemistry & Molecular Biology, University of Calgary, Calgary, AB T2N1N4, Canada
| | - Janna K Mouw
- Department of Surgery, University of California, San Francisco, San Francisco, CA 94143, USA; Center for Bioengineering and Tissue Regeneration, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Dhruv Thakar
- Department of Surgery, University of California, San Francisco, San Francisco, CA 94143, USA; Center for Bioengineering and Tissue Regeneration, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Jonathon N Lakins
- Department of Surgery, University of California, San Francisco, San Francisco, CA 94143, USA; Center for Bioengineering and Tissue Regeneration, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Alastair J Ironside
- Department of Pathology, Western General Hospital, NHS Lothian, Edinburgh EH42XU, UK
| | - Susan Samson
- UCSF Helen Diller Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Rita A Mukhtar
- Department of Surgery, University of California, San Francisco, San Francisco, CA 94143, USA
| | - E Shelley Hwang
- Department of Surgery, Duke University Medical Center, Durham, NC 27710, USA
| | - Valerie M Weaver
- Department of Surgery, University of California, San Francisco, San Francisco, CA 94143, USA; Center for Bioengineering and Tissue Regeneration, University of California, San Francisco, San Francisco, CA 94143, USA; UCSF Helen Diller Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA 94143, USA; Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, CA 94143, USA; Department of Radiation Oncology, Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California, San Francisco, San Francisco, CA 94143, USA.
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Chlebowski RT, Aragaki AK. Long-term breast cancer incidence trends by mammography, obesity, and menopausal hormone therapy. Breast Cancer Res Treat 2024; 203:121-124. [PMID: 37728692 DOI: 10.1007/s10549-023-07113-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 08/24/2023] [Indexed: 09/21/2023]
Abstract
PURPOSE Over the past half century, the annual age-adjusted breast cancer incidence in the USA has fluctuated, potentially influenced by changes in mammography screening, obesity, and menopausal hormone therapy. As the relative contributions of these factors on breast cancer incidence have not been resolved, we assembled reliable sources of year-to-year changes in mammography, obesity, and hormone therapy to graphically display their relationship to breast cancer incidence through 50 years. METHODS Year-to-year trends were assembled: for mammography from the Center for Disease Control National Health Interviews; for hormone therapy from the Collaborative Group on Hormonal Factors in Breast Cancer report; for obesity from the NCD (Non-Communicable Diseases) Risk Factor Collaboration; and for breast cancer for US women 50-64 years of age from Surveillance, Epidemiology, and End Results (SEER) registry findings. RESULTS Increases in age-adjusted breast cancer incidence trend from about 1982 to 2002 track both mammography and hormone therapy use but not obesity. However, the sudden decrease in breast cancer incidence in 2003, subsequently sustained at a lower incidence level, only tracks the parallel reduction in hormone therapy use. CONCLUSION The sustained reduction in hormone therapy use from 2003 provides a plausible explanation for most of the lower breast cancer incidence seen in US postmenopausal women during the last two decades. The strong observational study obesity association with higher breast cancer risk is not reflected in breast cancer incidence trends.
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Affiliation(s)
- Rowan T Chlebowski
- The Lundquist Institute, 1124 W. Carson Street, Torrance, CA, 90502, USA.
| | - Aaron K Aragaki
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
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Chlebowski RT, Aragaki AK. The Women's Health Initiative randomized trials of menopausal hormone therapy and breast cancer: findings in context. Menopause 2023; 30:454-461. [PMID: 36727752 DOI: 10.1097/gme.0000000000002154] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
IMPORTANCE AND OBJECTIVE The menopausal hormone therapy (MHT) association with breast cancer has been controversial for more than 40 years. Most recently, findings from cohort studies have been discordant compared with those from the Women's Health Initiative (WHI) randomized trials. In cohort studies, both estrogen therapy and estrogen plus progestin were associated with higher breast cancer incidence. In contrast, in the WHI randomized trials, findings for estrogen plus progestin are concordant with cohort study reports, whereas estrogen therapy significantly reduced breast cancer incidence. In addition, concerns have been raised regarding the WHI findings from both trials. In this report, we briefly summarize findings for MHT on breast cancer from cohort studies and the WHI randomized trials. The report focus is addressing, point-by-point, concerns raised regarding the WHI findings. METHODS For cohort studies, we relied on the latest findings from (1) the meta-analysis of the Collaborative Group on Hormonal Factors in Breast Cancer and (2) the Million Women's Study. To identify commentaries and editorials, "Menopause" and "Climacteric" were searched from 2002 to present; PubMed and Google Scholar were searched for commentaries, editorials, and breast cancer, MHT, estrogen, conjugated equine estrogen, estradiol, "hormone replacement therapy," and "HRT." DISCUSSION AND CONCLUSIONS Thirty commentaries challenging WHI findings were identified. All were reviewed, and issues needing response were identified. Findings from the meta-analysis from the Collaborative Group on Hormonal Factors in Breast Cancer and the Million Women Study were summarized and compared with finding in the two WHI randomized trials evaluating estrogen therapy and estrogen plus progestin. Based on the randomized clinical trials, estrogen therapy, for women with prior hysterectomy, decreases breast cancer incidence and mortality. In contrast, estrogen plus progestin increases breast cancer incidence, which persists through two decades. Women considering estrogen plus progestin use for vasomotor symptoms should understand the breast cancer risk.
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Halim F, Azhar Y, Suwarman S, Hernowo B. p53 Mutation as Plausible Predictor for Endocrine Resistance Therapy in Luminal Breast Cancer. F1000Res 2022; 11:330. [PMID: 36519010 PMCID: PMC9718986 DOI: 10.12688/f1000research.108628.2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/11/2022] [Indexed: 12/05/2022] Open
Abstract
Endocrine therapy resistance in Luminal Breast Cancer is a significant issue to be tackled, but currently, no specific biomarker could be used to anticipate this event. p53 mutation is widely known as one of Breast Cancer's most prominent genetic alterations. Its mutation could generate various effects in Estrogen Receptor and Progesterone Receptor molecular works, tangled in events leading to the aggravation of endocrine therapy resistance. Hence the possibility of p53 mutation utilization as an endocrine therapy resistance predictive biomarker is plausible. The purpose of this review is to explore the latest knowledge of p53 role in Estrogen Receptor and Progesterone Receptor molecular actions, thus aggravating the Endocrine Therapy resistance in Luminal Breast Cancer, from which we could define possibilities and limitations to utilize p53 as the predictive biomarker of endocrine therapy resistance in Luminal Breast Cancer.
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Affiliation(s)
- Freda Halim
- Department of Surgery, Pelita Harapan University, Tangerang, Indonesia,
| | - Yohana Azhar
- Department of Surgery - Oncology, Head and Neck Division, Hasan Sadikin General Hospital, Universitas Padjajaran, Bandung, Indonesia
| | - Suwarman Suwarman
- Department of Anesthesiology and Intensive Care, Hasan Sadikin General Hospital, Universitas Padjajaran, Bandung, Indonesia
| | - Bethy Hernowo
- Department of Anatomical Pathology, Universitas Padjajaran, Bandung, West Java, Indonesia
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Abstract
ABSTRACT Associations of estrogen-alone and estrogen plus progestin with breast cancer incidence and related mortality are reviewed from observational studies (The Collaborative Group on Hormonal Factors in Breast Cancer and The Million Women Study, 2019) and the Women's Health Initiative's (2020) two randomized trials evaluating conjugated equine estrogen alone, for women with prior hysterectomy or with medroxyprogesterone acetate. Findings are generally concordant for estrogen plus progestin use with both observational and randomized studies reporting higher breast cancer incidence. Findings are discordant for estrogen-alone use where, in the WHI randomized trial, a lower incidence and lower breast cancer mortality was seen. In contrast, in the observational studies, estrogen-alone use was associated with higher breast cancer incidence and higher breast cancer mortality. Although these discordant findings are difficult to fully reconcile, we conclude with a discussion of public health implications of the available evidence on menopausal hormone therapy and breast cancer.
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Wei G, Teng M, Rosa M, Wang X. Unique ER PR expression pattern in breast cancers with CHEK2 mutation: a hormone receptor and HER2 analysis based on germline cancer predisposition genes. Breast Cancer Res 2022; 24:11. [PMID: 35135604 PMCID: PMC8822747 DOI: 10.1186/s13058-022-01507-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Accepted: 01/30/2022] [Indexed: 11/10/2022] Open
Abstract
Purpose Estrogen-receptor (ER) and progesterone-receptor (PR) expression levels in breast cancer, which have been principally compared via binomial descriptors, can vary widely across tumors. We sought to characterize ER and PR expression levels using semi-quantitative analyses of receptor staining in germline pathogenic variant (PV) carriers of cancer predisposition genes. Methods We conducted a retrospective chart review of patients who underwent germline genetic testing for cancer predisposition genes at a tertiary cancer center genetics clinic. We performed comparisons of semi-quantitative ER and PR percentage staining levels across carriers and non-carriers of cancer predisposition genes. Results Breast cancers from BRCA1 PV carriers expressed significantly lower ER (15.2% vs 78.2%, p < 0.001) and lower PR (6.8% vs 41.1%, p < 0.001) staining compared to non-PV carriers. Similarly, breast cancers of BRCA2 (66.7% vs 78.2%, p = 0.005) and TP53 (50.6% vs 78.2%, p = 0.015) PV tumors also displayed moderate decreases in ER staining. Conversely, CHEK2 tumors displayed higher ER (93.1% vs 78.2%, p = 0.005) and PR (72% vs 48.8%, p = 0.001) staining when compared to non-PV carriers. We observed a wide range of dispersion across the ER and PR staining levels of the carriers and noncarriers. ER and PR ranges of dispersion of CHEK2 tumors were uniquely narrower than all other groups. Conclusion The findings of our study suggest that precise expression levels of ER and PR in breast cancers can vary widely. These differences are further augmented when comparing expression staining across PV and non-PV carriers, suggesting potentially unique tumorigenesis and progression pathways influenced by germline cancer predisposition genes.
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Boonyaratanakornkit V, McGowan EM, Márquez-Garbán DC, Burton LP, Hamilton N, Pateetin P, Pietras RJ. Progesterone Receptor Signaling in the Breast Tumor Microenvironment. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1329:443-474. [PMID: 34664251 DOI: 10.1007/978-3-030-73119-9_21] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The tumor microenvironment (TME) is a complex infrastructure composed of stromal, epithelial, and immune cells embedded in a vasculature ECM. The microenvironment surrounding mammary epithelium plays a critical role during the development and differentiation of the mammary gland, enabling the coordination of the complex multihormones and growth factor signaling processes. Progesterone/progesterone receptor paracrine signaling interactions in the microenvironment play vital roles in stem/progenitor cell function during normal breast development. In breast cancer, the female sex hormones, estrogen and progesterone, and growth factor signals are altered in the TME. Progesterone signaling modulates not only breast tumors but also the breast TME, leading to the activation of a series of cross-communications that are implicated in the genesis of breast cancers. This chapter reviews the evidence that progesterone and PR signaling modulates not only breast epitheliums but also the breast TME. Furthermore, crosstalk between estrogen and progesterone signaling affecting different cell types within the TME is discussed. A better understanding of how PR and progesterone affect the TME of breast cancer may lead to novel drugs or a therapeutic approach for the treatment of breast cancer shortly.
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Affiliation(s)
- Viroj Boonyaratanakornkit
- Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, Thailand.
- Age-Related Inflammation and Degeneration Research Unit, Chulalongkorn University, Bangkok, Thailand.
- Graduate Program in Clinical Biochemistry and Molecular Medicine, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, Thailand.
| | - Eileen M McGowan
- School of Life Sciences, University of Technology Sydney, Sydney, NSW, Australia
- Central Laboratory, The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou, China
| | - Diana C Márquez-Garbán
- UCLA Jonsson Comprehensive Cancer Center and Department of Medicine, Division of Hematology-Oncology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
| | - L P Burton
- UCLA Jonsson Comprehensive Cancer Center and Department of Medicine, Division of Hematology-Oncology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
| | - Nalo Hamilton
- UCLA Jonsson Comprehensive Cancer Center and Department of Medicine, Division of Hematology-Oncology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
| | - Prangwan Pateetin
- Graduate Program in Clinical Biochemistry and Molecular Medicine, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Richard J Pietras
- UCLA Jonsson Comprehensive Cancer Center and Department of Medicine, Division of Hematology-Oncology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
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Chlebowski RT, Anderson GL, Aragaki AK, Manson JE, Stefanick ML, Pan K, Barrington W, Kuller LH, Simon MS, Lane D, Johnson KC, Rohan TE, Gass MLS, Cauley JA, Paskett ED, Sattari M, Prentice RL. Association of Menopausal Hormone Therapy With Breast Cancer Incidence and Mortality During Long-term Follow-up of the Women's Health Initiative Randomized Clinical Trials. JAMA 2020; 324:369-380. [PMID: 32721007 PMCID: PMC7388026 DOI: 10.1001/jama.2020.9482] [Citation(s) in RCA: 182] [Impact Index Per Article: 45.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
IMPORTANCE The influence of menopausal hormone therapy on breast cancer remains unsettled with discordant findings from observational studies and randomized clinical trials. OBJECTIVE To assess the association of prior randomized use of estrogen plus progestin or prior randomized use of estrogen alone with breast cancer incidence and mortality in the Women's Health Initiative clinical trials. DESIGN, SETTING, AND PARTICIPANTS Long-term follow-up of 2 placebo-controlled randomized clinical trials that involved 27 347 postmenopausal women aged 50 through 79 years with no prior breast cancer and negative baseline screening mammogram. Women were enrolled at 40 US centers from 1993 to 1998 with follow-up through December 31, 2017. INTERVENTIONS In the trial involving 16 608 women with a uterus, 8506 were randomized to receive 0.625 mg/d of conjugated equine estrogen (CEE) plus 2.5 mg/d of medroxyprogesterone acetate (MPA) and 8102, placebo. In the trial involving 10 739 women with prior hysterectomy, 5310 were randomized to receive 0.625 mg/d of CEE alone and 5429, placebo. The CEE-plus-MPA trial was stopped in 2002 after 5.6 years' median intervention duration, and the CEE-only trial was stopped in 2004 after 7.2 years' median intervention duration. MAIN OUTCOMES AND MEASURES The primary outcome was breast cancer incidence (protocol prespecified primary monitoring outcome for harm) and secondary outcomes were deaths from breast cancer and deaths after breast cancer. RESULTS Among 27 347 postmenopausal women who were randomized in both trials (baseline mean [SD] age, 63.4 years [7.2 years]), after more than 20 years of median cumulative follow-up, mortality information was available for more than 98%. CEE alone compared with placebo among 10 739 women with a prior hysterectomy was associated with statistically significantly lower breast cancer incidence with 238 cases (annualized rate, 0.30%) vs 296 cases (annualized rate, 0.37%; hazard ratio [HR], 0.78; 95% CI, 0.65-0.93; P = .005) and was associated with statistically significantly lower breast cancer mortality with 30 deaths (annualized mortality rate, 0.031%) vs 46 deaths (annualized mortality rate, 0.046%; HR, 0.60; 95% CI, 0.37-0.97; P = .04). In contrast, CEE plus MPA compared with placebo among 16 608 women with a uterus was associated with statistically significantly higher breast cancer incidence with 584 cases (annualized rate, 0.45%) vs 447 cases (annualized rate, 0.36%; HR, 1.28; 95% CI, 1.13-1.45; P < .001) and no significant difference in breast cancer mortality with 71 deaths (annualized mortality rate, 0.045%) vs 53 deaths (annualized mortality rate, 0.035%; HR, 1.35; 95% CI, 0.94-1.95; P= .11). CONCLUSIONS AND RELEVANCE In this long-term follow-up study of 2 randomized trials, prior randomized use of CEE alone, compared with placebo, among women who had a previous hysterectomy, was significantly associated with lower breast cancer incidence and lower breast cancer mortality, whereas prior randomized use of CEE plus MPA, compared with placebo, among women who had an intact uterus, was significantly associated with a higher breast cancer incidence but no significant difference in breast cancer mortality.
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Affiliation(s)
- Rowan T. Chlebowski
- Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center, Torrance, California
| | - Garnet L. Anderson
- Fred Hutchinson Cancer Research Center, Division of Public Health Sciences, Seattle, Washington
| | - Aaron K. Aragaki
- Fred Hutchinson Cancer Research Center, Division of Public Health Sciences, Seattle, Washington
| | - JoAnn E. Manson
- Division of Public Health Sciences, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Marcia L. Stefanick
- Stanford Prevention Research Center, Stanford University School of Medicine, Stanford, California
| | - Kathy Pan
- Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center, Torrance, California
| | - Wendy Barrington
- Department of Epidemiology, University of Washington, Seattle, Washington
| | - Lewis H. Kuller
- Department of Epidemiology, School of Public Health, University of Pittsburgh, Pennsylvania
| | - Michael S. Simon
- Department of Oncology, Karmanos Cancer Institute at Wayne State University, Detroit, Michigan
| | - Dorothy Lane
- Department of Family, Population and Preventive Medicine, Stony Brook University, Stony Brook, New York
| | - Karen C. Johnson
- Department of Preventive Medicine, University of Tennessee Health Science Center, Memphis
| | - Thomas E. Rohan
- Department of Epidemiology and Population Health, Albert Einstein College of Medicine, Bronx, New York
| | - Margery L. S. Gass
- Fred Hutchinson Cancer Research Center, Division of Public Health Sciences, Seattle, Washington
| | - Jane A. Cauley
- Department of Epidemiology, School of Public Health, University of Pittsburgh, Pennsylvania
| | | | - Maryam Sattari
- Division of General Internal Medicine, University of Florida Health Internal Medicine, Gainesville
| | - Ross L. Prentice
- Fred Hutchinson Cancer Research Center, Division of Public Health Sciences, Seattle, Washington
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Chlebowski RT, Aragaki AK, Anderson GL, Prentice RL. Forty‐year trends in menopausal hormone therapy use and breast cancer incidence among postmenopausal black and white women. Cancer 2020; 126:2956-2964. [DOI: 10.1002/cncr.32846] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2019] [Revised: 09/22/2019] [Accepted: 10/21/2019] [Indexed: 01/22/2023]
Affiliation(s)
- Rowan T. Chlebowski
- Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center Torrance California
| | - Aaron K. Aragaki
- Division of Public Health Sciences Fred Hutchinson Cancer Research Center Seattle Washington
| | - Garnet L. Anderson
- Division of Public Health Sciences Fred Hutchinson Cancer Research Center Seattle Washington
| | - Ross L. Prentice
- Division of Public Health Sciences Fred Hutchinson Cancer Research Center Seattle Washington
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Tharmapalan P, Mahendralingam M, Berman HK, Khokha R. Mammary stem cells and progenitors: targeting the roots of breast cancer for prevention. EMBO J 2019; 38:e100852. [PMID: 31267556 PMCID: PMC6627238 DOI: 10.15252/embj.2018100852] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Revised: 03/11/2019] [Accepted: 04/11/2019] [Indexed: 12/24/2022] Open
Abstract
Breast cancer prevention is daunting, yet not an unsurmountable goal. Mammary stem and progenitors have been proposed as the cells-of-origin in breast cancer. Here, we present the concept of limiting these breast cancer precursors as a risk reduction approach in high-risk women. A wealth of information now exists for phenotypic and functional characterization of mammary stem and progenitor cells in mouse and human. Recent work has also revealed the hormonal regulation of stem/progenitor dynamics as well as intrinsic lineage distinctions between mammary epithelial populations. Leveraging these insights, molecular marker-guided chemoprevention is an achievable reality.
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Affiliation(s)
| | - Mathepan Mahendralingam
- Princess Margaret Cancer CentreUniversity Health NetworkUniversity of TorontoTorontoONCanada
| | - Hal K Berman
- Princess Margaret Cancer CentreUniversity Health NetworkUniversity of TorontoTorontoONCanada
| | - Rama Khokha
- Princess Margaret Cancer CentreUniversity Health NetworkUniversity of TorontoTorontoONCanada
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Chlebowski RT, Anderson GL, Manson JE, Prentice RL, Aragaki AK, Snetselaar L, Beresford SAA, Kuller LH, Johnson K, Lane D, Luo J, Rohan TE, Jiao L, Barac A, Womack C, Coday M, Datta M, Thomson CA. Low-Fat Dietary Pattern and Cancer Mortality in the Women's Health Initiative (WHI) Randomized Controlled Trial. JNCI Cancer Spectr 2019; 2:pky065. [PMID: 31360880 PMCID: PMC6649760 DOI: 10.1093/jncics/pky065] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Revised: 07/19/2018] [Accepted: 10/03/2018] [Indexed: 01/08/2023] Open
Abstract
Background In the Women’s Health Initiative Dietary Modification trial, a low-fat dietary pattern reduced deaths after breast cancer. Mortality from other cancer sites has not been reported. Methods A low-fat dietary pattern influence on deaths from and after site-specific cancers was examined during 8.5 years (median) of dietary intervention and cumulatively during 17.7 years (median) of follow-up. A total 48 835 postmenopausal women, ages 50–79 years, were randomly assigned from 1993 to 1998 at 40 US clinical centers to dietary intervention (40%, n = 19 541 or a usual diet comparison group (60%, n = 29 294). Dietary intervention influence on mortality from protocol-specified cancers (breast, colon and rectum, endometrium and ovary), individually and as a composite, represented the primary analyses. Results During the dietary intervention period, a reduction in deaths after breast cancer (HR = 0.65 95% CI = 0.45 to 0.94, P = .02) was the only statistically significant cancer mortality finding. During intervention, the HRs for deaths after the protocol-specified cancer composite were 0.90 (95% CI = 0.73 to 1.10) and 0.95 (95% CI = 0.85 to 1.06) for deaths after all cancers. During 17.7 years of follow-up with 3867 deaths after all cancers, reduction in deaths after breast cancer continued in the dietary intervention group (HR = 0.85, 95% CI = 0.74 to 0.99, P = .03). However, no dietary intervention influence on deaths from or after any other cancer or cancer composite was seen. Conclusions A low-fat dietary pattern reduced deaths after breast cancer. No reduction in mortality from or after any other cancer or cancer composite was seen.
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Affiliation(s)
| | - Garnet L Anderson
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA
| | - JoAnn E Manson
- Harvard Medical School, Brigham and Women's Hospital, Boston, MA
| | - Ross L Prentice
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA
| | - Aaron K Aragaki
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA
| | | | | | - Lewis H Kuller
- Department of Epidemiology, University of Pittsburgh, Pittsburgh, PA
| | - Karen Johnson
- Department of Preventive Medicine, University of Tennessee, Memphis, TN
| | - Dorothy Lane
- Preventive Medicine, Stony Brook University, Stony Brook, NY
| | - Juhua Luo
- School of Public Health, University of Indiana, Bloomington, IN
| | - Thomas E Rohan
- Department of Epidemiology & Population Health, Albert Einstein College of Medicine, Bronx, NY
| | - Li Jiao
- Department of Medicine, Baylor College of Medicine, Houston, TX
| | - Ana Barac
- MedStar Health Research Institute and Georgetown/Howard Universities Center for Clinical and Translational Sciences, Washington, DC
| | | | - Mace Coday
- Department of Preventive Medicine, University of Tennessee, Memphis, TN
| | - Mridul Datta
- School of Public Health, University of Purdue, West Lafayette, IN
| | - Cynthia A Thomson
- Mel and Enid Zuckerman College of Public Health, University of Arizona Cancer Center, Tucson, AZ
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Casey AE, Sinha A, Singhania R, Livingstone J, Waterhouse P, Tharmapalan P, Cruickshank J, Shehata M, Drysdale E, Fang H, Kim H, Isserlin R, Bailey S, Medina T, Deblois G, Shiah YJ, Barsyte-Lovejoy D, Hofer S, Bader G, Lupien M, Arrowsmith C, Knapp S, De Carvalho D, Berman H, Boutros PC, Kislinger T, Khokha R. Mammary molecular portraits reveal lineage-specific features and progenitor cell vulnerabilities. J Cell Biol 2018; 217:2951-2974. [PMID: 29921600 PMCID: PMC6080920 DOI: 10.1083/jcb.201804042] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Revised: 05/14/2018] [Accepted: 05/17/2018] [Indexed: 12/15/2022] Open
Abstract
Casey et al. integrate epigenomic, transcriptomic, and proteomic profiling of primary basal and luminal mammary cells to identify master epigenetic regulators of the mammary epithelium and uncover stem and progenitor cell vulnerabilities. They develop a pipeline to identify drugs that abrogate progenitor cell activity in normal and high-risk breast cancer patient samples in vitro and in vivo. The mammary epithelium depends on specific lineages and their stem and progenitor function to accommodate hormone-triggered physiological demands in the adult female. Perturbations of these lineages underpin breast cancer risk, yet our understanding of normal mammary cell composition is incomplete. Here, we build a multimodal resource for the adult gland through comprehensive profiling of primary cell epigenomes, transcriptomes, and proteomes. We define systems-level relationships between chromatin–DNA–RNA–protein states, identify lineage-specific DNA methylation of transcription factor binding sites, and pinpoint proteins underlying progesterone responsiveness. Comparative proteomics of estrogen and progesterone receptor–positive and –negative cell populations, extensive target validation, and drug testing lead to discovery of stem and progenitor cell vulnerabilities. Top epigenetic drugs exert cytostatic effects; prevent adult mammary cell expansion, clonogenicity, and mammopoiesis; and deplete stem cell frequency. Select drugs also abrogate human breast progenitor cell activity in normal and high-risk patient samples. This integrative computational and functional study provides fundamental insight into mammary lineage and stem cell biology.
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Affiliation(s)
| | - Ankit Sinha
- Princess Margaret Cancer Centre, Toronto, ON, Canada
| | | | - Julie Livingstone
- Informatics and Biocomputing Program, Ontario Institute for Cancer Research, Toronto, ON, Canada
| | | | | | | | - Mona Shehata
- Princess Margaret Cancer Centre, Toronto, ON, Canada
| | - Erik Drysdale
- Informatics and Biocomputing Program, Ontario Institute for Cancer Research, Toronto, ON, Canada
| | - Hui Fang
- Princess Margaret Cancer Centre, Toronto, ON, Canada
| | - Hyeyeon Kim
- Princess Margaret Cancer Centre, Toronto, ON, Canada
| | - Ruth Isserlin
- The Donnelly Centre, University of Toronto, Toronto, ON, Canada
| | - Swneke Bailey
- Princess Margaret Cancer Centre, Toronto, ON, Canada
| | - Tiago Medina
- Princess Margaret Cancer Centre, Toronto, ON, Canada
| | | | - Yu-Jia Shiah
- Informatics and Biocomputing Program, Ontario Institute for Cancer Research, Toronto, ON, Canada
| | | | - Stefan Hofer
- Princess Margaret Cancer Centre, Toronto, ON, Canada
| | - Gary Bader
- The Donnelly Centre, University of Toronto, Toronto, ON, Canada
| | - Mathieu Lupien
- Princess Margaret Cancer Centre, Toronto, ON, Canada.,Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada
| | - Cheryl Arrowsmith
- Princess Margaret Cancer Centre, Toronto, ON, Canada.,Structural Genomics Consortium, University of Toronto, Toronto, ON, Canada.,Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada
| | - Stefan Knapp
- Nuffield Department of Clinical Medicine, Structural Genomics Consortium, University of Oxford, Oxford, UK
| | - Daniel De Carvalho
- Princess Margaret Cancer Centre, Toronto, ON, Canada.,Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada
| | - Hal Berman
- Princess Margaret Cancer Centre, Toronto, ON, Canada.,Department of Laboratory Medicine and Pathobiology, University of Toronto, ON, Canada
| | - Paul C Boutros
- Informatics and Biocomputing Program, Ontario Institute for Cancer Research, Toronto, ON, Canada.,Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada.,Department of Pharmacology and Toxicology, University of Toronto, Toronto, ON, Canada
| | - Thomas Kislinger
- Princess Margaret Cancer Centre, Toronto, ON, Canada.,Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada
| | - Rama Khokha
- Princess Margaret Cancer Centre, Toronto, ON, Canada .,Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada
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13
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Abderrahman B, Jordan VC. The modulation of estrogen-induced apoptosis as an interpretation of the women's health initiative trials. Expert Rev Endocrinol Metab 2016; 11:81-86. [PMID: 30063445 PMCID: PMC6072269 DOI: 10.1586/17446651.2016.1128324] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
The Women's Health Initiative (WHI) consisted of two placebo controlled trials: one in women with a uterus, using conjugated equine estrogen (CEE) plus medroxyprogesterone acetate (MPA) and the second trial in women without a uterus used CEE alone. The study population average age was approximately 63 years. Although the predicted rise in breast cancer occurred in the MPA plus CEE trial, the CEE alone trial, had a sustained decrease in breast cancer incidence. A unifying theory is presented that explains the decrease in breast cancer based on the new biology of estrogen-induced apoptosis in long-term estrogen deprived nascent breast cancer cells. Glucocorticoids block estrogen-induced apoptosis and MPA has glucocorticoid activity. This is why MPA increases breast cancer when used with CEE as menopausal hormone replacement. A safer menopausal hormone therapy can now be designed with a more selective synthetic progestin such as norethindrone acetate.
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Affiliation(s)
- Balkees Abderrahman
- a Breast Medical Oncology , The University of Texas MD Anderson Cancer Center , Houston , TX , USA
| | - V Craig Jordan
- a Breast Medical Oncology , The University of Texas MD Anderson Cancer Center , Houston , TX , USA
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14
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Joshi PA, Waterhouse PD, Kannan N, Narala S, Fang H, Di Grappa MA, Jackson HW, Penninger JM, Eaves C, Khokha R. RANK Signaling Amplifies WNT-Responsive Mammary Progenitors through R-SPONDIN1. Stem Cell Reports 2015; 5:31-44. [PMID: 26095608 PMCID: PMC4618445 DOI: 10.1016/j.stemcr.2015.05.012] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2014] [Revised: 05/14/2015] [Accepted: 05/22/2015] [Indexed: 12/29/2022] Open
Abstract
Systemic and local signals must be integrated by mammary stem and progenitor cells to regulate their cyclic growth and turnover in the adult gland. Here, we show RANK-positive luminal progenitors exhibiting WNT pathway activation are selectively expanded in the human breast during the progesterone-high menstrual phase. To investigate underlying mechanisms, we examined mouse models and found that loss of RANK prevents the proliferation of hormone receptor-negative luminal mammary progenitors and basal cells, an accompanying loss of WNT activation, and, hence, a suppression of lobuloalveologenesis. We also show that R-spondin1 is depleted in RANK-null progenitors, and that its exogenous administration rescues key aspects of RANK deficiency by reinstating a WNT response and mammary cell expansion. Our findings point to a novel role of RANK in dictating WNT responsiveness to mediate hormone-induced changes in the growth dynamics of adult mammary cells. Luminal progenitors are targets of progesterone in the adult human breast Progesterone-induced expansion of mammary epithelial subsets requires RANK RANK signaling targets WNT-responsive ER–PR– luminal progenitors and basal cells RANK controls RSPO1, which rescues defective progenitor expansion in Rank-null state
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Affiliation(s)
- Purna A Joshi
- Princess Margaret Cancer Centre, Toronto, ON M5G 1L7, Canada
| | | | - Nagarajan Kannan
- Terry Fox Laboratory, British Columbia Cancer Agency, Vancouver, BC V5Z1L3, Canada
| | - Swami Narala
- Princess Margaret Cancer Centre, Toronto, ON M5G 1L7, Canada
| | - Hui Fang
- Princess Margaret Cancer Centre, Toronto, ON M5G 1L7, Canada
| | | | | | - Josef M Penninger
- IMBA, Institute of Molecular Biotechnology of the Austrian Academy of Sciences, 1030 Vienna, Austria
| | - Connie Eaves
- Terry Fox Laboratory, British Columbia Cancer Agency, Vancouver, BC V5Z1L3, Canada
| | - Rama Khokha
- Princess Margaret Cancer Centre, Toronto, ON M5G 1L7, Canada.
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15
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Hilton HN, Clarke CL. Impact of progesterone on stem/progenitor cells in the human breast. J Mammary Gland Biol Neoplasia 2015; 20:27-37. [PMID: 26254191 DOI: 10.1007/s10911-015-9339-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2015] [Accepted: 07/30/2015] [Indexed: 12/15/2022] Open
Abstract
The epithelium of the human breast is made up of a branching ductal-lobular system, which is lined by a single layer of luminal cells surrounded by a contractile basal cell layer. The co-ordinated development of stem/progenitor cells into these luminal and basal cells is fundamentally important for breast morphogenesis. The ovarian steroid hormone, progesterone, is critical in driving proliferation and normal breast development, yet progesterone analogues have also been shown to be a major driver of breast cancer risk. Studies in recent years have revealed an important role for progesterone in stimulating the mammary stem cell compartment in the mouse mammary gland, and growing evidence supports the notion that progesterone also stimulates progenitor cells in both the normal human breast and in breast cancer cells. As changes in cell type composition are one of the hallmark features of breast cancer progression, these observations have critical implications in discerning the mechanisms of how progesterone increases breast cancer risk. This review summarises recent work regarding the impact of progesterone action on the stem/progenitor cell compartment of the human breast.
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Affiliation(s)
- Heidi N Hilton
- Centre for Cancer Research, Westmead Millennium Institute, University of Sydney Medical School, Westmead, NSW, Australia.
| | - Christine L Clarke
- Centre for Cancer Research, Westmead Millennium Institute, University of Sydney Medical School, Westmead, NSW, Australia
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