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Pamulapati S, Conroy M, Cortina C, Harding E, Kamaraju S. Systematic Review on Gender-Affirming Testosterone Therapy and the Risk of Breast Cancer: A Challenge for Physicians Treating Patients from Transgender and Gender-Diverse Populations. ARCHIVES OF SEXUAL BEHAVIOR 2024; 53:1969-1980. [PMID: 38148450 DOI: 10.1007/s10508-023-02773-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 11/29/2023] [Accepted: 11/29/2023] [Indexed: 12/28/2023]
Abstract
Conflicting evidence exists about the risk of breast cancer in transgender and gender-diverse (TGD) patients treated with testosterone. This review aimed to summarize current knowledge regarding the risk of breast cancer associated with gender-affirming testosterone treatment (GATT). A systematic literature search using the Preferred Reporting Items for Systematic Review and Meta-Analysis checklist was conducted in January 2023 through Ovid, Scopus, and Web of Science databases. English-language, peer-reviewed articles evaluating breast cancer in TGD patients after GATT that met the inclusion criteria were included. This review included 22 articles, with 14 case reports, 4 case series, and 4 retrospective cohort studies. The review identified 26 TGD patients who developed breast cancer post-GATT therapy, with inconclusive evidence on the relationship between testosterone and the risk of breast cancer in TGD patients. This uncertainty in part arises from the mechanisms governing testosterone's effects within breast tissue, with contrasting theories proposing both proliferative and antiproliferative impacts. Considering this ambiguity, it is imperative for healthcare providers to engage in informed discussions with patients prior to initiating hormone therapy to discuss potential adverse effects, including the possibility of breast cancer development in TGD individuals. Patient education and shared decision-making are essential components of responsible care in this context.
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Affiliation(s)
- Saagar Pamulapati
- Mercyhealth Javon Bea Hospital, 2400 N Rockton Ave., Rockford, IL, 61103, USA.
| | - Meghan Conroy
- Medical Education, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Chandler Cortina
- Medical Education, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Eric Harding
- Clinical Services Librarian, Froedtert Hospital, Milwaukee, WI, USA
| | - Sailaja Kamaraju
- Medical Education, Medical College of Wisconsin, Milwaukee, WI, USA
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2
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Agrawal P, Singh SM, Hsueh J, Grutman A, An C, Able C, Choi U, Kohn J, Clifton M, Kohn TP. Testosterone therapy in females is not associated with increased cardiovascular or breast cancer risk: a claims database analysis. J Sex Med 2024; 21:414-419. [PMID: 38459625 DOI: 10.1093/jsxmed/qdae032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 01/22/2024] [Accepted: 02/04/2024] [Indexed: 03/10/2024]
Abstract
BACKGROUND Testosterone therapy (TTh) has been shown to improve libido in women with sexual dysfunction, but its utilization has been limited due to concern for cardiovascular events and past studies reporting highly variable results. AIM To assess the association of TTh in women with major adverse cardiac events (MACEs), including heart attack, stroke, or death, using a large database. METHODS The TriNetX Diamond Network was queried from 2009 to 2022. Our study cohort included adult females with ≥3 systemic testosterone prescriptions within a year. Our control cohort excluded females with any testosterone prescriptions, polycystic ovary syndrome, or androgen excess. Both cohorts excluded females with prior heart failure, unstable angina, intersex surgery (female to male), personal history of sex reassignment, or gender identity disorders. Propensity matching between the cohorts was performed. A subanalysis by age was conducted (18-55 and >55 years). OUTCOMES We evaluated the association of TTh to the following: MACE, upper or lower emboli or deep vein thrombosis (DVT), pulmonary embolism (PE), breast neoplasm, and hirsutism within 3 years of TTh. RESULTS When compared with propensity-matched controls, adult females with TTh had a lower risk of MACE (risk ratio [RR], 0.64; 95% CI, 0.51-0.81), DVT (RR, 0.61; 95% CI, 0.42-0.90), PE (RR, 0.48; 95% CI, 0.28-0.82), and malignant breast neoplasm (RR, 0.48; 95% CI, 0.37-0.62). Similarly, females aged 18 to 55 years with TTh had a lower risk of MACE (RR, 0.49; 95% CI, 0.28-0.85) and DVT (RR, 0.48; 95% CI, 0.25-0.93) and a similar risk of malignant breast neoplasm (RR, 0.62; 95% CI, 0.34-1.12). Females aged ≥56 years with TTh had a similar risk of MACE (RR, 0.84; 95% CI, 0.64-1.10), DVT (RR, 0.82; 95% CI, 0.50-1.36), and PE (RR, 0.52; 95% CI, 0.26-1.05) and a significantly lower risk of malignant breast neoplasm (RR, 0.51; 95% CI, 0.38-0.68). Risk of hirsutism was consistently higher in those with TTh as compared with propensity-matched controls. CLINICAL IMPLICATIONS Our results contribute to safety data on TTh, a therapy for sexual dysfunction in women. STRENGTHS AND LIMITATIONS The TriNetX Diamond Network allows for significant generalizability but has insufficient information for some factors. CONCLUSIONS We found a decreased risk of MACE among women with TTh as compared with matched controls and a similar risk of MACE in postmenopausal women while demonstrating a similar or significantly lower risk of breast cancer on age-based subanalysis.
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Affiliation(s)
- Pranjal Agrawal
- School of Medicine, Johns Hopkins University, Baltimore, MD 21205, United States
| | - Sajya M Singh
- School of Medicine, Johns Hopkins University, Baltimore, MD 21205, United States
| | - Jessica Hsueh
- School of Medicine, Georgetown University, Washington, DC 20007, United States
| | - Aurora Grutman
- School of Medicine, Johns Hopkins University, Baltimore, MD 21205, United States
| | - Clemens An
- Larner College of Medicine at the University of Vermont, Burlington, VT 05405, United States
| | - Corey Able
- University of Texas Medical Branch at Galveston, Galveston, TX 77555, United States
| | - Una Choi
- School of Medicine, Johns Hopkins University, Baltimore, MD 21205, United States
| | - Jaden Kohn
- Department of Obstetrics and Gynecology, Johns Hopkins University, Baltimore, MD 21287, United States
| | - Marisa Clifton
- The James Buchanan Brady Urological Institute, Johns Hopkins University, Baltimore, MD 21287, United States
| | - Taylor P Kohn
- The James Buchanan Brady Urological Institute, Johns Hopkins University, Baltimore, MD 21287, United States
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3
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Liu X, Lin L, Cai Q, Li C, Xu H, Zeng R, Zhang M, Qiu X, Chen S, Zhang X, Huang L, Liang W, He J. Do testosterone and sex hormone-binding globulin affect cancer risk? A Mendelian randomization and bioinformatics study. Aging Male 2023; 26:2261524. [PMID: 37936343 DOI: 10.1080/13685538.2023.2261524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 09/18/2023] [Indexed: 11/09/2023] Open
Abstract
Using Mendelian Randomization (MR) and large-scale Genome-Wide Association Study (GWAS) data, this study aimed to investigate the potential causative relationship between testosterone and sex hormone-binding globulin (SHBG) levels and the onset of several cancers, including pathway enrichment analyses of single nucleotide polymorphisms (SNPs) associated with cancer allowed for a comprehensive bioinformatics approach, which offered a deeper biological understanding of these relationships. The results indicated that increased testosterone levels in women were associated with a higher risk of breast and cervical cancers but a lower risk of ovarian cancer. Conversely, increased testosterone was linked to lower stomach cancer risk for men, whereas high SHBG levels were related to decreased risks of breast and prostate cancers. The corresponding genes of the identified SNPs, as revealed by pathway enrichment analysis, were involved in significant metabolic and proliferative pathways. These findings emphasize the need for further research into the biological mechanisms behind these associations, paving the way for potential targeted interventions in preventing and treating these cancers.
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Affiliation(s)
- Xiwen Liu
- Department of Thoracic Surgery and Oncology, the First Affiliated Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou, China
| | - Lixuan Lin
- Department of Thoracic Surgery and Oncology, the First Affiliated Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou, China
- School of Clinical Medicine, Henan University, Kaifeng, China
| | - Qi Cai
- Department of Thoracic Surgery and Oncology, the First Affiliated Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou, China
| | - Caichen Li
- Department of Thoracic Surgery and Oncology, the First Affiliated Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou, China
| | - Haoxiang Xu
- The Second Affiliated Hospital (Guangdong Provincial Hospital of Chinese Medicine), Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Ruiqi Zeng
- Nanshan School, Guangzhou Medical University, Guangzhou, China
| | - Mingtong Zhang
- First Clinical School, Guangzhou Medical University, Guangzhou, China
| | - Xinyi Qiu
- First Clinical School, Guangzhou Medical University, Guangzhou, China
| | - Shiqi Chen
- First Clinical School, Guangzhou Medical University, Guangzhou, China
| | - Xizhe Zhang
- First Clinical School, Guangzhou Medical University, Guangzhou, China
| | - Linchong Huang
- Department of Thoracic Surgery and Oncology, the First Affiliated Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou, China
| | - Wenhua Liang
- Department of Thoracic Surgery and Oncology, the First Affiliated Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou, China
- The First People's Hospital of Zhaoqing, Zhaoqing, China
| | - Jianxing He
- Department of Thoracic Surgery and Oncology, the First Affiliated Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou, China
- Southern Medical University, Guangzhou, China
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Sehgal I. Review of adult gender transition medications: mechanisms, efficacy measures, and pharmacogenomic considerations. Front Endocrinol (Lausanne) 2023; 14:1184024. [PMID: 37476490 PMCID: PMC10355117 DOI: 10.3389/fendo.2023.1184024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 06/16/2023] [Indexed: 07/22/2023] Open
Abstract
Gender dysphoria is the imparity between a person's experienced gender and their birth-assigned gender. Gender transition is the process of adapting a person's sexual characteristics to match their experienced gender. The number of adults receiving sex hormone therapy for gender dysphoria is increasingly and these pharmacotherapies are increasing being prescribed in a general practice setting. The role of hormone therapy is to reverse or reduce physical sexual characteristics of the birth-assigned gender and enhance and build characteristics aligning to the expressed gender and these therapies apply to both transgender and gender nonconforming patients. Recognizing the options and interpreting the effects of gender transition therapies are fundamental to the discussion and treatment of gender dysphoria. This review summarizes pharmacodynamics, comparative dosing, adverse effects, monitoring, and potential pharmacogenetic influence of current pharmacotherapy. These include the use of 17-beta-estradiol, spironolactone, testosterone, GnRH agonists as well as adjunctive phosphodiesterase-5 inhibitors. The article also addresses gaps within the published literature including optimal routes of administration for individual patients, risks of malignancy and dosing reductions as transgender patients age.
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Affiliation(s)
- Inder Sehgal
- Department of Biomedical Sciences, Rocky Vista University, Ivins, UT, United States
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Bae K, Lamoury G, Carroll S, Morgia M, Lim S, Baron-Hay S, Shin IS, Park SJ, Oh B. Comparison of the clinical effectiveness of treatments for aromatase inhibitor-induced arthralgia in breast cancer patients: A systematic review with network meta-analysis. Crit Rev Oncol Hematol 2023; 181:103898. [PMID: 36535489 DOI: 10.1016/j.critrevonc.2022.103898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 12/08/2022] [Accepted: 12/14/2022] [Indexed: 12/23/2022] Open
Abstract
Aromatase inhibitor-induced arthralgia (AIA) contributes to poor adherence of aromatase inhibitor therapies in patients with breast cancer. A systematic review using network meta-analysis (NMA) was conducted to examine the clinical effectiveness of multiple therapies and rank probabilities for the management of AIA. Randomized controlled trials (RCTs) assessing treatments for AIA in postmenopausal women with stage 0-III hormone receptor-positive breast cancer were searched from inception to October 2021. The main NMA involved 1516 participants from 17 RCTs. Acupuncture was the highest ranked intervention to improve pain intensity followed by sham acupuncture, multicomponent herbal medicine, exercise, duloxetine, vitamin D, omega-3 fatty acids, physical therapy, testosterone, and inactive controls. Single natural products were inferior to controls. The current review provides new insights into the management of AIA in breast cancer survivors for increased survival and can be utilized to make evidence-based decisions regarding treatment.
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Affiliation(s)
- Kyeore Bae
- Integrative Cancer Center, Doban Hospital, Seoul, 03170, Republic of Korea; Northern Sydney Cancer Centre, Royal North Shore Hospital, St Leonards, Sydney, New South Wales, 2065, Australia.
| | - Gillian Lamoury
- Northern Sydney Cancer Centre, Royal North Shore Hospital, St Leonards, Sydney, New South Wales, 2065, Australia; Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, 2006, Australia.
| | - Susan Carroll
- Northern Sydney Cancer Centre, Royal North Shore Hospital, St Leonards, Sydney, New South Wales, 2065, Australia; Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, 2006, Australia.
| | - Marita Morgia
- Northern Sydney Cancer Centre, Royal North Shore Hospital, St Leonards, Sydney, New South Wales, 2065, Australia.
| | - Stephanie Lim
- Medical Oncology Department, Macarthur Cancer Therapy Centre, Campbelltown, New South Wales, 2560, Australia; Western Sydney University, Campbelltown, New South Wales, 2560, Australia.
| | - Sally Baron-Hay
- Northern Sydney Cancer Centre, Royal North Shore Hospital, St Leonards, Sydney, New South Wales, 2065, Australia; Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, 2006, Australia.
| | - In-Soo Shin
- Department of Graduate School of Education, Dongguk University, Seoul, 04620, Republic of Korea.
| | - So-Jung Park
- Department of Internal Medicine, Korean Medicine Hospital of Pusan National University, Yangsan, Gyeongnam, 50612, Republic of Korea.
| | - Byeongsang Oh
- Northern Sydney Cancer Centre, Royal North Shore Hospital, St Leonards, Sydney, New South Wales, 2065, Australia; Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, 2006, Australia.
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Lee JH, Jung EJ, Ham HJ, Yang YJ, Kim NS, Kim HI, Baek SY. Application of LC-MS/MS and UHPLC-Q-Orbitrap methods for determining 54 steroids in illegal dietary supplements and other sample types. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2022; 36:e9334. [PMID: 35705484 DOI: 10.1002/rcm.9334] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 06/09/2022] [Accepted: 06/12/2022] [Indexed: 06/15/2023]
Abstract
RATIONALE With the development of the Internet and social network services, the public access to or use of illegal products has been increased via on/offline black markets. Steroids refer to the compounds yielding strong treatment effects on some diseases or muscle building, and are classified as the pharmaceutical compounds that are prohibited for personal use without a prescription. The prohibition is made for their potential risk to cause serious adverse effects along with their efficacies. METHODS To monitor the distribution of illicit products containing steroids, a simple and reliable analytical method was established and validated, allowing rapid and simultaneous determination of 54 steroids in them. During the screening, LC-Q-Orbitrap/MS was performed first followed by quantitative analysis using LC-MS/MS. For the accurate and reliable analysis, the samples were extracted using QuEChERS to reduce the matrix effect. RESULTS After the screening of 617 illegal samples advertised as being effective in alleviating various diseases or improving athletic performance with the established LC-Q-Orbitrap/MS method, the validated LC-MS/MS method was used to perform the quantitative analysis of the detected steroids. Of these, 142 samples were adulterated with steroids, and several samples with two or more steroids were detected. Due to the lack of previous studies on the toxicity of these illicit products, the side effects of consuming them are unpredictable and could be harmful. CONCLUSIONS The development of LC-Q-Orbitrap/MS method accompanied by LC-MS/MS could be successfully applied to the inspection of illegal steroid products for public health, enabling the rapid and accurate detection of analytes and incorporation of non-analyte components.
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Affiliation(s)
- Ji Hyun Lee
- National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Center for Advanced Analysis, Cheongju, Republic of Korea
| | - Eun Ju Jung
- National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Center for Advanced Analysis, Cheongju, Republic of Korea
| | - Hyeon Joo Ham
- National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Center for Advanced Analysis, Cheongju, Republic of Korea
| | - Yoon Ji Yang
- National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Center for Advanced Analysis, Cheongju, Republic of Korea
| | - Nam Sook Kim
- National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Center for Advanced Analysis, Cheongju, Republic of Korea
| | - Hyung Il Kim
- National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Center for Advanced Analysis, Cheongju, Republic of Korea
| | - Sun Young Baek
- National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Center for Advanced Analysis, Cheongju, Republic of Korea
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Individual Benefits and Risks of Intravaginal Estrogen and Systemic Testosterone in the Management of Women in the Menopause, With a Discussion of Any Associated Risks for Cancer Development. Cancer J 2022; 28:196-203. [PMID: 35594467 DOI: 10.1097/ppo.0000000000000598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
ABSTRACT Several formulations of intravaginal oestrogen are available for the treatment of genitourinary syndrome of menopause (GSM). These are safe and effective treatments for the symptoms of GSM. Licensed doses of intravaginal oestrogen do not elevate systemic estradiol levels above the normal postmenopausal range with long term use and there is no evidence of an increased risk of coronary heart disease, stroke, thromboembolism, colorectal cancer, endometrial cancer, breast cancer or breast cancer recurrence with their use. This should reassure both women and their healthcare professionals and should lead to more women receiving these localised, vaginally administered hormonal treatments. Available evidence also suggests a positive safety profile for transdermal testosterone treatment when delivered at physiological concentrations.
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Li D, Fan H, Dong J, Sun C, Su Y, Liu J, Gu Y. Based on BATMAN-TCM to Explore the Molecular Mechanism of Xihuang Pill Regulating Immune Function to Treat Breast Precancerous Lesions. BREAST CANCER: TARGETS AND THERAPY 2021; 13:725-742. [PMID: 34992452 PMCID: PMC8711846 DOI: 10.2147/bctt.s339607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 11/19/2021] [Indexed: 11/23/2022]
Affiliation(s)
- Dehui Li
- Hebei Province Hospital of Chinese Medicine;The First Affiliated Hospital of Hebei University of Chinese Medicine, Shi Jiazhuang, 050011, People’s Republic of China
- Correspondence: Dehui Li Email
| | - Huanfang Fan
- Hebei Province Hospital of Chinese Medicine;The First Affiliated Hospital of Hebei University of Chinese Medicine, Shi Jiazhuang, 050011, People’s Republic of China
| | - Jingfei Dong
- Hebei Province Hospital of Chinese Medicine;The First Affiliated Hospital of Hebei University of Chinese Medicine, Shi Jiazhuang, 050011, People’s Republic of China
| | - Chunxia Sun
- Hebei Province Hospital of Chinese Medicine;The First Affiliated Hospital of Hebei University of Chinese Medicine, Shi Jiazhuang, 050011, People’s Republic of China
| | - Yifan Su
- Hebei Province Hospital of Chinese Medicine;The First Affiliated Hospital of Hebei University of Chinese Medicine, Shi Jiazhuang, 050011, People’s Republic of China
| | - Jiao Liu
- Hebei Province Hospital of Chinese Medicine;The First Affiliated Hospital of Hebei University of Chinese Medicine, Shi Jiazhuang, 050011, People’s Republic of China
| | - Yiting Gu
- Hebei Province Hospital of Chinese Medicine;The First Affiliated Hospital of Hebei University of Chinese Medicine, Shi Jiazhuang, 050011, People’s Republic of China
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Peters MDJ, Ramsey I, Kennedy K, Sharplin G, Eckert M. Culturally safe, high-quality breast cancer screening for transgender people: A scoping review protocol. J Adv Nurs 2021; 78:276-281. [PMID: 34816475 DOI: 10.1111/jan.15094] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Accepted: 11/05/2021] [Indexed: 11/30/2022]
Abstract
AIM To develop evidence-based recommendations for provision of culturally safe, high-quality services for breast cancer screening for transgender people. DESIGN The scoping review will follow the JBI methodological guidance for scoping reviews. METHODS A search using MEDLINE (PubMed), Embase (Ovid), Scopus, the Cochrane Library, including the Cochrane Methodology Register, Cochrane Central Register of Controlled Trials, Cochrane Database of Systematic Reviews and the World Health Organization, Australia Government Department of Health and Google Scholar will be undertaken. The review will include people of any age and ethnicity defined in the source of evidence as transgender. The review will include individuals who have used gender-affirming interventions or not and sources of evidence that report information relevant to the provision of culturally safe, high-quality breast cancer screening services for transgender people. English language sources of evidence published from database inception with information from any country will be eligible for inclusion. Sources will be screened for inclusion by three independent reviewers. Results will be extracted using a purpose-built tool and presented in relation to the review questions and objective in the final report using tables, figures and corresponding narrative. Project funding was approved by the Australian Government Department of Health in June 2020. DISCUSSION There are a range of factors that impact on the equity of health access and outcomes for people who are not cisgender. Transgender people are at risk of breast cancer but there is relatively little evidence about how their risks may or may not differ substantially from cis-gendered individuals and little guidance for health providers to ensure inclusive, culturally safe, high-quality breast cancer screening services for both transgender males, transgender females and gender diverse people who may not identify as male or as female. IMPACT It is important to provide culturally safe, high-quality services for breast cancer screening for transgender people.
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Affiliation(s)
- Micah D J Peters
- UniSA Clinical & Health Sciences, Rosemary Bryant AO Research Centre, University of South Australia, Adelaide, Australia.,Faculty of Health and Medical Sciences, Adelaide Nursing School, University of Adelaide, Adelaide, Australia.,The Centre for Evidence-based Practice South Australia (CEPSA): A JBI Centre of Excellence, Adelaide, Australia
| | - Imogen Ramsey
- UniSA Clinical & Health Sciences, Rosemary Bryant AO Research Centre, University of South Australia, Adelaide, Australia
| | - Kate Kennedy
- UniSA Clinical & Health Sciences, Rosemary Bryant AO Research Centre, University of South Australia, Adelaide, Australia
| | - Greg Sharplin
- UniSA Clinical & Health Sciences, Rosemary Bryant AO Research Centre, University of South Australia, Adelaide, Australia
| | - Marion Eckert
- UniSA Clinical & Health Sciences, Rosemary Bryant AO Research Centre, University of South Australia, Adelaide, Australia
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Manalo EM, Irabon IS, Fajutagana SS. The Role of Testosterone in Menopause Management: A Review of Literature. FERTILITY & REPRODUCTION 2021. [DOI: 10.1142/s2661318221500110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Background: Despite the lack of approved testosterone formulations for women in most countries, testosterone therapy is still being offered to women worldwide. Aging and loss of ovarian or adrenal function, among others, can lower testosterone levels in women. However, international guidelines currently do not routinely recommend androgen replacement therapy due to lack of long-term safety data. Evidence on its benefits and risks still remains uncertain. Objectives: The aim of this literature review is to present current studies and guidelines that examined the effects of testosterone therapy for postmenopausal women, including its role on cognition and mood; breast and endometrial cancer risks; musculoskeletal, cardiovascular, and genitourinary health; and sexual function. Methodology: A review of literature was done using PubMed, EMBASE, Science Direct, OVID, and Google scholar, with the following key words: androgen, testosterone, menopause, and hypoactive sexual desire dysfunction. We identified reviews, clinical trials, and guidelines. The population was limited to postmenopausal women. Results: There is no evidence from current published literature to support the use of testosterone therapy for female well-being, mood and cognition, bone and cardiovascular health. Intravaginal testosterone appears to be a promising alternative for the treatment of genitourinary symptoms of menopause (GSM) but efficacy and safety are yet to be confirmed. Well-designed, randomized, and placebo-controlled trials are needed to establish long-term safety, efficacy, and appropriate dosing and route of testosterone therapy in postmenopausal women. The only evidence-based indication for testosterone therapy in women is for the treatment of postmenopausal hypoactive sexual desire disorder (HSDD). Should a trial of testosterone therapy be given for HSDD, the transdermal route is the preferred method of delivery. Baseline total testosterone concentration should be determined before starting treatment, and repeated after 3–6 months. Serum testosterone levels should be monitored at regular intervals to avoid supraphysiologic dosing. Conclusion: Currently, there is no robust evidence to support the use of exogenous testosterone to improve female well-being, musculoskeletal health, mood and cognition, as well as bone and cardiovascular health among postmenopausal women. The only evidence-based indication for testosterone therapy in women is the treatment of postmenopausal hypoactive sexual desire disorder, but only after all other causes of sexual dysfunction have been ruled out. To date, testosterone therapy has no US Food and Drug Administration (US FDA) approval due to the lack of long-term efficacy and safety data.
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Affiliation(s)
- Eileen M. Manalo
- University of the Philippines — College of Medicine, Department of Obstetrics and Gynecology, Division of Reproductive Endocrinology and Infertility, Philippines
- Past President, Philippine Society for Reproductive Medicine and Philippine Society for Climacteric Medicine, Philippines
| | - Ina S. Irabon
- University of Perpetual Help Jonelta Foundation School of Medicine, Las Pinas City, Philippines
- Perpetual Help Medical Center, Las Pinas City, Philippines
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Zhou Y, Wang Y, Chen X, Feng J, Wang M, Wu Q, Zhu D. Modulating the active site lid of an alcohol dehydrogenase from Ralstonia sp. enabled efficient stereospecific synthesis of 17β-hydroxysteroids. Enzyme Microb Technol 2021; 149:109837. [PMID: 34311882 DOI: 10.1016/j.enzmictec.2021.109837] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 05/20/2021] [Accepted: 05/30/2021] [Indexed: 10/21/2022]
Abstract
Enzymatic stereospecific reduction of 17-oxosteroids offers an attractive approach to access 17β-hydroxysteroids of pharmaceutical importance. In this study, by adjusting the flexibility of α6-helix at the substrate entrance of the alcohol dehydrogenase from Ralstonia sp. (RasADH), the catalytic activity toward the stereospecific 17β-reduction of androstenedione was improved without sacrifice of the enantioselectivity. Among the mutants, F205I and F205A exhibited up to 623- and 523-fold improvement in catalytic efficiency, respectively, towards a range of different 17-oxosteroids compared to the wild-type enzyme. The corresponding 17β-hydroxysteroids were prepared in optically pure form with high space-time productivity and isolated yields using F205I as the biocatalyst, indicating that these mutants are promising biocatalysts for this useful transformation. These results suggest that modulating the flexibility of the active site lid offers an effective approach to engineer alcohol dehydrogenase for accommodating bulky steroidal substrates.
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Affiliation(s)
- Yingying Zhou
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, 300457, China; National Engineering Laboratory for Industrial Enzymes and Tianjin Engineering Research Center of Biocatalytic Technology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, and National Technology Innovation Center for Synthetic Biology, 32 West 7th Avenue, Tianjin Airport Economic Area, Tianjin, 300308, China
| | - Yu Wang
- National Engineering Laboratory for Industrial Enzymes and Tianjin Engineering Research Center of Biocatalytic Technology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, and National Technology Innovation Center for Synthetic Biology, 32 West 7th Avenue, Tianjin Airport Economic Area, Tianjin, 300308, China
| | - Xi Chen
- National Engineering Laboratory for Industrial Enzymes and Tianjin Engineering Research Center of Biocatalytic Technology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, and National Technology Innovation Center for Synthetic Biology, 32 West 7th Avenue, Tianjin Airport Economic Area, Tianjin, 300308, China
| | - Jinhui Feng
- National Engineering Laboratory for Industrial Enzymes and Tianjin Engineering Research Center of Biocatalytic Technology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, and National Technology Innovation Center for Synthetic Biology, 32 West 7th Avenue, Tianjin Airport Economic Area, Tianjin, 300308, China
| | - Min Wang
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, 300457, China
| | - Qiaqing Wu
- National Engineering Laboratory for Industrial Enzymes and Tianjin Engineering Research Center of Biocatalytic Technology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, and National Technology Innovation Center for Synthetic Biology, 32 West 7th Avenue, Tianjin Airport Economic Area, Tianjin, 300308, China.
| | - Dunming Zhu
- National Engineering Laboratory for Industrial Enzymes and Tianjin Engineering Research Center of Biocatalytic Technology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, and National Technology Innovation Center for Synthetic Biology, 32 West 7th Avenue, Tianjin Airport Economic Area, Tianjin, 300308, China.
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12
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Donovitz G, Cotten M. Breast Cancer Incidence Reduction in Women Treated with Subcutaneous Testosterone: Testosterone Therapy and Breast Cancer Incidence Study. Eur J Breast Health 2021; 17:150-156. [PMID: 33870115 DOI: 10.4274/ejbh.galenos.2021.6213] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Accepted: 01/23/2021] [Indexed: 12/16/2022]
Abstract
Objective Testosterone (T) therapy has been shown to be breast protective in both pre- and post-menopausal patients. Additionally, estradiol (E) does not cause breast cancer (BC) in the majority of the world's literatures. This study aimed to investigate the incidence of invasive BC (IBC) in pre- and postmenopausal women treated with T therapy and T in combination with E (T/E). Materials and Methods Since January 2010, a total of 2,377 pre- and post-menopausal women were treated with T or T/E implants. IBC rates were reported based on newly diagnosed IBC cases in the total study. Total cases divided by the total sample size and years in study was expressed as an incidence per 100,000 person-years (P-Ys). The BC incidence was compared with age-specific Surveillance Epidemiology and End Results (SEER) incidence rates. Results As of October 2020, 14 cases diagnosed with IBC have been found in 9,746 P-Y of follow up for an incidence of 144 cases per 100,000 P-Y, substantially less than the age-specific SEER incidence rates (223/100,000), placebo arm of Women's Health Initiative Study (330/100,000), and never users of hormone therapy from the Million Women Study (312/100,000). Conclusion T and/or T/E pellet implants significantly reduced the incidence of BC in pre- and post-menopausal women. The addition of E did not increase the incidence over using T alone. This is the second multi-year long-term study demonstrating the benefits of T therapy in reducing the incidence of IBC.
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Affiliation(s)
- Gary Donovitz
- Morehouse College of Medicine, Atlanta, Georgia, USA.,BioTE Medical, LLC, Irving, Texas, USA
| | - Mandy Cotten
- Institute for Hormonal Balance, Arlington, Texas, USA
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13
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Fledderus AC, Gout HA, Ogilvie AC, van Loenen DKG. Breast malignancy in female-to-male transsexuals: systematic review, case report, and recommendations for screening. Breast 2020; 53:92-100. [PMID: 32679529 PMCID: PMC7375644 DOI: 10.1016/j.breast.2020.06.008] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 06/25/2020] [Accepted: 06/26/2020] [Indexed: 02/09/2023] Open
Abstract
BACKGROUND Female-to-male (FtM) transsexuals may use testosterone therapy for masculinization, which potentially influences the risk of breast cancer development. Guided by our case report, we aimed to investigate the evidence regarding the risk of testosterone therapy on breast malignancy in female-to-male transsexuals and evaluate breast cancer screening in this subgroup. METHODS We conducted a systematic literature search according to the PRISMA checklist in June 2020 in PubMed/MEDLINE and Ovid/EMBASE. Reference lists of included articles were screened to find additional articles that met the inclusion criteria. All cohort studies and case reports evaluating breast cancer in FtM transsexuals after testosterone therapy were included. RESULTS We found 23 cases of FtM transsexuals who developed breast cancer after testosterone therapy, including our own case. Moreover, we evaluated ten retrospective cohort studies investigating breast malignancy in the transsexual population. The cohort studies showed no elevated risk in FtM transsexuals compared to natal women. Including our own case, nine cases were described in which breast malignancy was incidentally found during routine histological examination after mastectomy. High-level evidence for a correlation between testosterone therapy and breast malignancy is missing. CONCLUSION Few cases are described of FtM transsexuals with breast malignancy. However, cases such as these make physicians aware of the possibility of breast cancer in FtM transsexuals. Radiological screening of FtM transsexuals for breast cancer prior to mastectomy and histological screening of the mammalian tissue after mastectomy should be considered; physicians should decide together with every individual FtM transsexual if screening is necessary.
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Affiliation(s)
- Anne C Fledderus
- Amsterdam UMC, University of Amsterdam, Department of Plastic, Reconstructive and Hand Surgery, Meibergdreef 9, Amsterdam, the Netherlands.
| | - H Antoine Gout
- Amsterdam UMC, University of Amsterdam, Department of Plastic, Reconstructive and Hand Surgery, Meibergdreef 9, Amsterdam, the Netherlands
| | - Aernout C Ogilvie
- Department of Internal Medicine, Medical Oncology, Onze Lieve Vrouwe Hospital, Jan Tooropstraat 164, Amsterdam, the Netherlands
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14
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Ávila-Gálvez MÁ, Giménez-Bastida JA, Espín JC, González-Sarrías A. Dietary Phenolics against Breast Cancer. A Critical Evidence-Based Review and Future Perspectives. Int J Mol Sci 2020; 21:ijms21165718. [PMID: 32784973 PMCID: PMC7461055 DOI: 10.3390/ijms21165718] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 08/06/2020] [Accepted: 08/08/2020] [Indexed: 12/24/2022] Open
Abstract
Breast cancer (BC) is the most common malignancy and the leading cause of cancer-related death in adult women worldwide. Over 85% of BC cases are non-hereditary, caused by modifiable extrinsic factors related to lifestyle, including dietary habits, which play a crucial role in cancer prevention. Although many epidemiological and observational studies have inversely correlated the fruit and vegetable consumption with the BC incidence, the involvement of their phenolic content in this correlation remains contradictory. During decades, wrong approaches that did not consider the bioavailability, metabolism, and breast tissue distribution of dietary phenolics persist behind the large currently existing gap between preclinical and clinical research. In the present review, we provide comprehensive preclinical and clinical evidence according to physiologically relevant in vitro and in vivo studies. Some dietary phenolics such as resveratrol (RSV), quercetin, isoflavones, epigallocatechin gallate (EGCG), lignans, and curcumin are gaining attention for their chemopreventive properties in preclinical research. However, the clinical evidence of dietary phenolics as BC chemopreventive compounds is still inconclusive. Therefore, the only way to validate promising preclinical results is to conduct clinical trials in BC patients. In this regard, future perspectives on dietary phenolics and BC research are also critically discussed.
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15
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Martínez-García A, Davis SR. Testosterone use in postmenopausal women. Climacteric 2020; 24:46-50. [PMID: 32705895 DOI: 10.1080/13697137.2020.1796961] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
The physiological, clinical and therapeutic aspects of testosterone in women's health are still a matter of controversy and debate. Quality evidence data of clinical trials favors the use of transdermal testosterone in postmenopausal women with female sexual dysfunction causing distress. Doses of testosterone should approximate physiological testosterone levels found in premenopausal women, avoiding supraphysiological concentrations that expose women to adverse events. Short-term treatment periods have been shown to be effective and safe in postmenopausal women with hypoactive sexual desire disorder/dysfunction. However, long-term safety of testosterone use must be determined.
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Affiliation(s)
- A Martínez-García
- Women's Health Research Program, School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia.,Department of Endocrinology, Division of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - S R Davis
- Women's Health Research Program, School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
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16
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Johansen N, Lindén Hirschberg A, Moen MH. The role of testosterone in menopausal hormone treatment. What is the evidence? Acta Obstet Gynecol Scand 2020; 99:966-969. [PMID: 32027015 DOI: 10.1111/aogs.13819] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Revised: 01/02/2020] [Accepted: 01/26/2020] [Indexed: 02/06/2023]
Abstract
About 40% of postmenopausal women have decreased sexual desire, causing distress. Estrogen therapy attenuates vaginal complaints but has no effect on sexual desire. Although sexual function has been linked to testosterone, there is no clear relation between sexual desire and circulating levels of testosterone. Nevertheless, treatment with transdermal (patch) testosterone improved sexual function in several randomized controlled trials. Women with hypoactive sexual desire disorder who were treated with testosterone reported more satisfying sexual episodes and sexual desire compared with the placebo group. Adverse effects were mild. However, there is no testosterone drug designed for women available on the European market. Consequently, women who opt for testosterone treatment have to use preparations made for men with a high drug concentration. Adequate dosage for women is therefore challenging. A trial of 5 mg transdermal testosterone (gel or cream) daily or less has been suggested, followed by close monitoring of side effects and hormone level.
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Affiliation(s)
- Nora Johansen
- Division of Women's Health, Oslo University Hospital, Oslo, Norway.,Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Angelica Lindén Hirschberg
- Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden.,Department of Gynecology and Reproductive Medicine, Karolinska University Hospital, Stockholm, Sweden
| | - Mette H Moen
- Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway
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17
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Affiliation(s)
- Suneela Vegunta
- Division of Women's Health Internal Medicine, Mayo Clinic, Scottsdale, Arizona
| | - Juliana M. Kling
- Division of Women's Health Internal Medicine, Mayo Clinic, Scottsdale, Arizona
| | - Ekta Kapoor
- Division of General Internal Medicine, Women's Health Clinic, Mayo Clinic, Rochester, Minnesota
- Division of Endocrinology, Diabetes, Metabolism, and Nutrition, Mayo Clinic, Rochester, Minnesota
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18
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Glaser RL, York AE, Dimitrakakis C. Incidence of invasive breast cancer in women treated with testosterone implants: a prospective 10-year cohort study. BMC Cancer 2019; 19:1271. [PMID: 31888528 PMCID: PMC6937705 DOI: 10.1186/s12885-019-6457-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Accepted: 12/11/2019] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND Testosterone implants have been used for over eighty years to treat symptoms of hormone deficiency in pre and postmenopausal women. Evidence supports that androgens are breast protective. However, there is a lack of data on the long-term effect of testosterone therapy on the incidence of invasive breast cancer (IBC). This study was specifically designed to investigate the incidence of IBC in pre and postmenopausal women (presenting with symptoms of androgen deficiency) treated with subcutaneous testosterone implants or testosterone implants combined with anastrozole. METHODS The 10-year prospective cohort study was approved in March 2008 at which time recruitment was initiated. Recruitment was closed March 2013. Pre and postmenopausal women receiving at least two pellet insertions were eligible for analysis (N = 1267). Breast cancer incidence rates were reported as an unadjusted, un-weighted value of newly diagnosed cases divided by the sum of 'person-time of observation' for the at-risk population. Incidence rates on testosterone therapy were compared to age-specific Surveillance Epidemiology and End Results (SEER) incidence rates and historical controls. Bootstrap sampling distributions were constructed to verify comparisons and tests of significance that existed between our results and SEER data. RESULTS As of March 2018, a total of 11 (versus 18 expected) cases of IBC were diagnosed in patients within 240-days following their last testosterone insertion equating to an incidence rate of 165/100000 p-y, which is significantly less than the age-matched SEER expected incidence rate of 271/100000 p-y (p < 0.001) and historical controls. CONCLUSION Long term therapy with subcutaneous testosterone, or testosterone combined with anastrozole, did not increase the incidence of IBC. Testosterone should be further investigated for hormone therapy and breast cancer prevention.
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Affiliation(s)
- Rebecca L. Glaser
- Millennium Wellness Center, 228 E. Spring Valley Road, Dayton, OH 45458 USA
- Department of Surgery, Wright State University Boonshoft School of Medicine, 3460 Colonel Glenn Highway, Dayton, OH 45435 USA
| | - Anne E. York
- York Data Analysis, 6018 Sycamore Ave NW, Seattle, WA 98107 USA
| | - Constantine Dimitrakakis
- 1st Department of Ob-Gyn, Athens University Medical School, 80 Vas Sophias Street, 11528 Athens, Greece
- National Institutes of Health, NICHD, Bldg. 10, 10 Center Drive, Bethesda, MD 20892-1103 USA
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19
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Zimta AA, Schitcu V, Gurzau E, Stavaru C, Manda G, Szedlacsek S, Berindan-Neagoe I. Biological and molecular modifications induced by cadmium and arsenic during breast and prostate cancer development. ENVIRONMENTAL RESEARCH 2019; 178:108700. [PMID: 31520827 DOI: 10.1016/j.envres.2019.108700] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Revised: 08/07/2019] [Accepted: 08/26/2019] [Indexed: 06/10/2023]
Abstract
Breast and prostate cancer are two of the most common malignancies worldwide. Both cancers can develop into hormone -dependent or -independent subtypes and are associated to environmental exposure in the context of an inherited predisposition. As and Cd have been linked to the onset of both cancers, with the exception of As, which lacks a definitive association with breast carcinogenesis. The two elements exert an opposite effect dependent on acute versus chronic exposure. High doses of As or Cd were shown to induce cell death in acute experimental exposure, while chronic exposure triggers cell proliferation and viability, which is no longer limited by telomere shortening and apoptosis. The chronically exposed cells also increase their invasion capacity and tumorigenic potential. At molecular level, malignant transformation is evidenced mainly by up-regulation of BCL-2, MMP-2, MMP-9, VIM, Snail, Twist, MT, MLH and down-regulation of Casp-3, PTEN, E-CAD, and BAX. The signaling pathways most commonly activated are KRAS, p53, TGF-β, TNF-α, WNT, NRF2 and AKT. This knowledge could potentially raise public awareness over the health risks faced by the human population living or working in a polluted environment and smokers. Human exposure to As and Cd should be minimize as much as possible. Healthcare policies targeting people belonging to these risk categories should include analysis of: DNA damage, oxidative stress, molecular alterations, and systemic level of heavy metals and of essential minerals. In this review, we present the literature regarding cellular and molecular alterations caused by exposure to As or Cd, focusing on the malignant transformation of normal epithelial cells after long-term intoxication with these two carcinogens.
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Affiliation(s)
- Alina-Andreea Zimta
- MEDFUTURE - Research Center for Advanced Medicine, "Iuliu-Hatieganu" University of Medicine and Pharmacy, 23 Gheorghe Marinescu Street, 400337, Cluj-Napoca, Romania
| | - Vlad Schitcu
- The Oncology Institute "Prof. Dr. Ion Chiricuta", Republicii 34-36 Street, 400015, Cluj-Napoca, Romania; "Iuliu Hatieganu" University of Medicine and Pharmacy, 8 Victor Babes Street, 400012, Cluj-Napoca, Romania
| | - Eugen Gurzau
- Cluj School of Public Health, College of Political, Administrative and Communication Sciences, Babes-Bolyai University, 7 Pandurilor Street, Cluj-Napoca, Romania; Environmental Health Center, 58 Busuiocului Street, 400240, Cluj-Napoca, Romania; Faculty of Environmental Science and Engineering, Babes-Bolyai University, 30 Fantanele Street, Cluj- Napoca, Romania
| | - Crina Stavaru
- Cantacuzino National Institute of Research and Development for Microbiology, 103 Splaiul Independentei Street, Bucharest, 050096, Romania
| | - Gina Manda
- "Victor Babes" National Institute of Pathology, 99-101 Splaiul Independentei Street, 050096, Bucharest, Romania
| | - Stefan Szedlacsek
- Department of Enzymology, Institute of Biochemistry of the Romanian Academy, 296 Splaiul Independentei Street, Bucharest, 060031, Romania
| | - Ioana Berindan-Neagoe
- MEDFUTURE - Research Center for Advanced Medicine, "Iuliu-Hatieganu" University of Medicine and Pharmacy, 23 Gheorghe Marinescu Street, 400337, Cluj-Napoca, Romania; Research Center for Functional Genomics, Biomedicine and Translational Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy, Marinescu 23 Street, 400337, Cluj-Napoca, Romania; Department of Functional Genomics and Experimental Pathology, The Oncology Institute "Prof. Dr. Ion Chiricuta", Republicii 34-36 Street, Cluj-Napoca, Romania.
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Abstract
OBJECTIVE Anabolic-androgenic steroids (AAS) represents a group of synthetic testosterone derivatives that play an important role in clinical treatment. These drugs are widely abused among the general public to increase lean weight and improve athletic performance. It has been reported that AAS use can produce many adverse effects, especially the occurrence of cardiovascular risk. Although there are many related studies, there has been no consensus on AAS use and cardiovascular risk. The present study was to review the effect of AAS on the cardiovascular system. DATA SOURCES The data in this review were obtained from articles included in PubMed and the National Center for Biotechnology Information database. STUDY SELECTION Original articles, case reports, and systematic reviews about AAS were selected for the article. RESULTS The use/abuse of AAS is correlated with higher cardiovascular risks, and many AAS users/abusers had cardiovascular diseases. However, there are many confounding factors in the studies that explored the causality between AAS intake and disease development, and additional studies are required to determine AAS toxicity. CONCLUSION AAS produces toxic effects on the cardiovascular system, and it is necessary to ensure that more people know this about AAS, including medical personnel.
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Affiliation(s)
- Jian-Di Liu
- Department of Cardiology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
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21
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Steffens JP, Valenga HM, Santana LCL, Albaricci MCDC, Kantarci A, Spolidorio LC. Role of testosterone and androgen receptor in periodontal disease progression in female rats. J Periodontol 2019; 91:545-553. [DOI: 10.1002/jper.19-0099] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Revised: 04/10/2019] [Accepted: 05/06/2019] [Indexed: 12/26/2022]
Affiliation(s)
- João Paulo Steffens
- Department of StomatologyUniversidade Federal do Paraná – UFPR Curitiba PR Brazil
| | | | - Luis Carlos Leal Santana
- Department of Physiology and PathologySchool of Dentistry at AraraquaraUniversidade Estadual Paulista – UNESP Araraquara SP Brazil
| | | | | | - Luis Carlos Spolidorio
- Department of Physiology and PathologySchool of Dentistry at AraraquaraUniversidade Estadual Paulista – UNESP Araraquara SP Brazil
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22
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Pietri E, Massa I, Bravaccini S, Ravaioli S, Tumedei MM, Petracci E, Donati C, Schirone A, Piacentini F, Gianni L, Nicolini M, Campadelli E, Gennari A, Saba A, Campi B, Valmorri L, Andreis D, Fabbri F, Amadori D, Rocca A. Phase II Study of Dehydroepiandrosterone in Androgen Receptor-Positive Metastatic Breast Cancer. Oncologist 2019; 24:743-e205. [PMID: 30591548 PMCID: PMC6656524 DOI: 10.1634/theoncologist.2018-0243] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Accepted: 10/28/2018] [Indexed: 12/02/2022] Open
Abstract
LESSONS LEARNED The androgen receptor (AR) is present in most breast cancers (BC), but its exploitation as a therapeutic target has been limited.This study explored the activity of dehydroepiandrosterone (DHEA), a precursor being transformed into androgens within BC cells, in combination with an aromatase inhibitor (to block DHEA conversion into estrogens), in a two-stage phase II study in patients with AR-positive/estrogen receptor-positive/human epidermal growth receptor 2-negative metastatic BC.Although well tolerated, only 1 of 12 patients obtained a prolonged clinical benefit, and the study was closed after its first stage for poor activity. BACKGROUND Androgen receptors (AR) are expressed in most breast cancers, and AR-agonists have some activity in these neoplasms. We investigated the safety and activity of the androgen precursor dehydroepiandrosterone (DHEA) in combination with an aromatase inhibitor (AI) in patients with AR-positive metastatic breast cancer (MBC). METHODS A two-stage phase II study was conducted in two patient cohorts, one with estrogen receptor (ER)-positive (resistant to AIs) and the other with triple-negative MBC. DHEA 100 mg/day was administered orally. The combination with an AI aimed to prevent the conversion of DHEA into estrogens. The main endpoint was the clinical benefit rate. The triple-negative cohort was closed early. RESULTS Twelve patients with ER-positive MBC were enrolled. DHEA-related adverse events, reported in four patients, included grade 2 fatigue, erythema, and transaminitis, and grade 1 drowsiness and musculoskeletal pain. Clinical benefit was observed in one patient with ER-positive disease whose tumor had AR gene amplification. There was wide inter- and intra-patient variation in serum levels of DHEA and its metabolites. CONCLUSION DHEA showed excellent safety but poor activity in MBC. Although dose and patient selection could be improved, high serum level variability may hamper further DHEA development in this setting.
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Affiliation(s)
- Elisabetta Pietri
- Department of Medical Oncology, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy
| | - Ilaria Massa
- Unit of Biostatistics and Clinical Trials, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy
| | - Sara Bravaccini
- Biosciences Laboratory, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy
| | - Sara Ravaioli
- Biosciences Laboratory, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy
| | - Maria Maddalena Tumedei
- Biosciences Laboratory, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy
| | - Elisabetta Petracci
- Unit of Biostatistics and Clinical Trials, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy
| | - Caterina Donati
- Oncology Pharmacy Unit, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy
| | - Alessio Schirone
- Department of Medical Oncology, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy
| | - Federico Piacentini
- Division of Medical Oncology, Department of Medical and Surgical Sciences for Children & Adults, University Hospital of Modena, Modena, Italy
| | | | - Mario Nicolini
- Oncology Day Hospital Unit, Cervesi Hospital, Cattolica, Italy
| | | | - Alessandra Gennari
- Medical Oncology, Department of Translational Medicine, University of Eastern Piedmont, Novara, Italy
| | - Alessandro Saba
- Department of Surgical, Medical and Molecular Pathology and Critical Care Medicine, University of Pisa, Pisa, Italy
| | - Beatrice Campi
- Department of Surgical, Medical and Molecular Pathology and Critical Care Medicine, University of Pisa, Pisa, Italy
| | - Linda Valmorri
- Unit of Biostatistics and Clinical Trials, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy
| | - Daniele Andreis
- Unit of Biostatistics and Clinical Trials, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy
| | - Francesco Fabbri
- Biosciences Laboratory, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy
| | - Dino Amadori
- Department of Medical Oncology, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy
| | - Andrea Rocca
- Department of Medical Oncology, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy
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23
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Patterson RE, Marinac CR, Sears DD, Kerr J, Hartman SJ, Cadmus-Bertram L, Villaseñor A, Flatt SW, Godbole S, Li H, Laughlin GA, Oratowski-Coleman J, Parker BA, Natarajan L. The Effects of Metformin and Weight Loss on Biomarkers Associated With Breast Cancer Outcomes. J Natl Cancer Inst 2018; 110:1239-1247. [PMID: 29788487 PMCID: PMC6235688 DOI: 10.1093/jnci/djy040] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Revised: 01/05/2018] [Accepted: 02/16/2018] [Indexed: 12/19/2022] Open
Abstract
Background This study investigated the effects of metformin and weight loss on biomarkers associated with breast cancer prognosis. Methods Overweight/obese postmenopausal breast cancer survivors (n = 333) were randomly assigned to metformin vs placebo and to a weight loss intervention vs control (ie, usual care). The 2 × 2 factorial design allows a single randomized trial to investigate the effect of two factors and interactions between them. Outcomes were changes in fasting insulin, glucose, C-reactive protein (CRP), estradiol, testosterone, and sex-hormone binding globulin (SHBG). The trial was powered for a main effects analysis of metformin vs placebo and weight loss vs control. All tests of statistical significance were two-sided. Results A total of 313 women (94.0%) completed the six-month trial. High prescription adherence (ie, ≥80% of pills taken) ranged from 65.9% of participants in the metformin group to 81.3% of those in the placebo group (P < .002). Mean percent weight loss was statistically significantly higher in the weight loss group (-5.5%, 95% confidence interval [CI] = -6.3% to -4.8%) compared with the control group (-2.7%, 95% CI = -3.5% to -1.9%). Statistically significant group differences (ie, percent change in metformin group minus placebo group) were -7.9% (95% CI = -15.0% to -0.8%) for insulin, -10.0% (95% CI = -18.5% to -1.5%) for estradiol, -9.5% (95% CI = -15.2% to -3.8%) for testosterone, and 7.5% (95% CI = 2.4% to 12.6%) for SHBG. Statistically significant group differences (ie, percent change in weight loss group minus placebo group) were -12.5% (95% CI = -19.6% to -5.3%) for insulin and 5.3% (95% CI = 0.2% to 10.4%) for SHBG. Conclusions As adjuvant therapy, weight loss and metformin were found to be a safe combination strategy that modestly lowered estrogen levels and advantageously affected other biomarkers thought to be on the pathway for reducing breast cancer recurrence and mortality.
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Affiliation(s)
- Ruth E Patterson
- Department of Family Medicine and Public Health, La Jolla, CA
- Moores UC San Diego Cancer Center, La Jolla, CA
| | - Catherine R Marinac
- Department of Epidemiology, Harvard TH Chan School of Public Health, Boston, MA
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA
| | - Dorothy D Sears
- Department of Family Medicine and Public Health, La Jolla, CA
- Department of Medicine, La Jolla, CA
- Moores UC San Diego Cancer Center, La Jolla, CA
| | - Jacqueline Kerr
- Department of Family Medicine and Public Health, La Jolla, CA
- Moores UC San Diego Cancer Center, La Jolla, CA
| | - Sheri J Hartman
- Department of Family Medicine and Public Health, La Jolla, CA
- Moores UC San Diego Cancer Center, La Jolla, CA
| | | | - Adriana Villaseñor
- Department of Family Medicine and Public Health, La Jolla, CA
- Moores UC San Diego Cancer Center, La Jolla, CA
| | | | | | | | - Gail A Laughlin
- Department of Family Medicine and Public Health, La Jolla, CA
| | | | - Barbara A Parker
- Department of Medicine, La Jolla, CA
- Moores UC San Diego Cancer Center, La Jolla, CA
| | - Loki Natarajan
- Department of Family Medicine and Public Health, La Jolla, CA
- Moores UC San Diego Cancer Center, La Jolla, CA
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McNamara KM, Guestini F, Sauer T, Touma J, Bukholm IR, Lindstrøm JC, Sasano H, Geisler J. In breast cancer subtypes steroid sulfatase (STS) is associated with less aggressive tumour characteristics. Br J Cancer 2018; 118:1208-1216. [PMID: 29563635 PMCID: PMC5943586 DOI: 10.1038/s41416-018-0034-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Revised: 01/18/2018] [Accepted: 01/19/2018] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND The majority of breast cancer cases are steroid dependent neoplasms, with hormonal manipulation of either CYP19/aromatase or oestrogen receptor alpha axis being the most common therapy. Alternate pathways of steroid actions are documented, but their interconnections and correlations to BC subtypes and clinical outcome could be further explored. METHODS We evaluated selected steroid receptors (Androgen Receptor, Oestrogen Receptor alpha and Beta, Glucocorticoid Receptor) and oestrogen pathways (steroid sulfatase (STS), 17β-hydroxysteroid dehydrogenase 2 (17βHSD2) and aromatase) in a cohort of 139 BC cases from Norway. Using logistic and cox regression analysis, we examined interactions between these and clinical outcomes such as distant metastasis, local relapse and survival. RESULTS Our principal finding is an impact of STS expression on the risk for distant metastasis (p<0.001) and local relapses (p <0.001), HER2 subtype (p<0.015), and survival (p<0.001). The suggestion of a beneficial effect of alternative oestrogen synthesis pathways was strengthened by inverted, but non-significant findings for 17βHSD2. CONCLUSIONS Increased intratumoural metabolism of oestrogens through STS is associated with significantly lower incidence of relapse and/or distant metastasis and correspondingly improved prognosis. The enrichment of STS in the HER2 overexpressing subtype is intriguing, especially given the possible role of HER-2 over-expression in endocrine resistance.
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Affiliation(s)
- Keely M McNamara
- Department of Anatomic Pathology, School of Graduate Medicine, Tohoku University Japan, Sendai, Japan.
| | - Fouzia Guestini
- Department of Anatomic Pathology, School of Graduate Medicine, Tohoku University Japan, Sendai, Japan
| | - Torill Sauer
- Department of Pathology, Akershus University Hospital, Lørenskog, Norway
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Joel Touma
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Department of Breast- and Endocrine Surgery, Akershus University Hospital, Lørenskog, Norway
| | - Ida Rashida Bukholm
- Department of Breast- and Endocrine Surgery, Akershus University Hospital, Lørenskog, Norway
| | - Jonas C Lindstrøm
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Helse Sør-Øst Health Services Research Centre, Akershus University Hospital, Lørenskog, Norway
| | - Hironobu Sasano
- Department of Anatomic Pathology, School of Graduate Medicine, Tohoku University Japan, Sendai, Japan
| | - Jürgen Geisler
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Department of Oncology, Akershus University Hospital, Lørenskog, Norway
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25
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Steffens JP, Santana LCL, Pitombo JCP, Ribeiro DO, Albaricci MCC, Warnavin SVSC, Kantarci A, Spolidorio LC. The role of androgens on periodontal repair in female rats. J Periodontol 2018; 89:486-495. [DOI: 10.1002/jper.17-0435] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Revised: 09/30/2017] [Accepted: 10/05/2017] [Indexed: 12/18/2022]
Affiliation(s)
- João Paulo Steffens
- Department of Stomatology; Universidade Federal do Paraná - UFPR; Curitiba PR Brazil
| | - Luis Carlos Leal Santana
- Department of Physiology and Pathology; Universidade Estadual Paulista - UNESP; School of Dentistry at Araraquara Araraquara SP Brazil
| | - Jonleno Coutinho Paiva Pitombo
- Department of Physiology and Pathology; Universidade Estadual Paulista - UNESP; School of Dentistry at Araraquara Araraquara SP Brazil
| | - Daniel Olivio Ribeiro
- Department of Physiology and Pathology; Universidade Estadual Paulista - UNESP; School of Dentistry at Araraquara Araraquara SP Brazil
| | - Maria Carolina Costa Albaricci
- Department of Physiology and Pathology; Universidade Estadual Paulista - UNESP; School of Dentistry at Araraquara Araraquara SP Brazil
| | | | - Alpdogan Kantarci
- Department of Applied Oral Sciences; Forsyth Institute; Cambridge MA
| | - Luis Carlos Spolidorio
- Department of Physiology and Pathology; Universidade Estadual Paulista - UNESP; School of Dentistry at Araraquara Araraquara SP Brazil
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26
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Quinones JP, Jokinen J, Keinänen S, Covas CP, Brüggemann O, Ossipov D. Self-assembled hyaluronic acid-testosterone nanocarriers for delivery of anticancer drugs. Eur Polym J 2018. [DOI: 10.1016/j.eurpolymj.2017.12.043] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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27
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Moura FS, Costa-Barbosa FA, Leao SC, Nicolau SM, Kater CE, Monteagudo PT. Confounder factors masking a Leydig-cell ovarian tumor in a post-menopausal woman treated for androgen-positive receptor breast cancer. Gynecol Endocrinol 2017; 33:675-679. [PMID: 28443693 DOI: 10.1080/09513590.2017.1318373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Abstract
Post-menopause hyperandrogenism is a condition that needs careful evaluation. Aromatase inhibitors (AI), which are important in the management of positive estrogen breast cancer, and chronic kidney disease (CKD) can puzzle the evaluation of this condition. A postmenopause female with type-2 diabetes and advanced CKD was attended due to progressive virilization, which has started after the introduction of an AI for breast cancer 5 years earlier. Clinical and radiological investigation has confirmed a pure Leydig cell tumor as source of hyperandrogenism. Re-evaluation of the breast tumor immunohistochemistry has shown positive androgen receptor expression and negative expression for estrogen, progesterone and HER-2 receptors. Even though an ovarian tumor was the source of androgen excess, we discuss that AI could exert a slight contribution to patient's virilization by reducing estradiol counterbalance. Also, although the onset of hyperandrogenic symptoms was unclear, we could not exclude that the ovarian tumor had produced enough androgens to play a role in breast tumor progression. This case report supports the literature regarding the possible association between Leydig cell tumor and androgen-receptor-positive breast cancer development. Finally, progressive hyperandrogenic symptoms in postmenopause, even under AI therapy or the presence of advanced CKD, impose a more detailed investigation.
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Affiliation(s)
| | | | | | - Sergio Mancini Nicolau
- c Gynecology Division Department of Medicine, Universidade Federal de São Paulo , São Paulo , Brazil
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28
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Liu Y, Wang Y, Chen X, Wu Q, Wang M, Zhu D, Ma Y. Regio- and stereoselective reduction of 17-oxosteroids to 17β-hydroxysteroids by a yeast strain Zygowilliopsis sp. WY7905. Steroids 2017; 118:17-24. [PMID: 27864020 DOI: 10.1016/j.steroids.2016.11.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Revised: 09/29/2016] [Accepted: 11/06/2016] [Indexed: 10/20/2022]
Abstract
The reduction of 17-oxosteroids to 17β-hydroxysteroids is one of the important transformations for the preparation of many steroidal drugs and intermediates. The strain Zygowilliopsis sp. WY7905 was found to catalyze the reduction of C-17 carbonyl group of androst-4-ene-3,17-dione (AD) to give testosterone (TS) as the sole product by the constitutive 17β-hydroxysteroid dehydrogenase (17β-HSD). The optimal conditions for the reduction were pH 8.0 and 30°C with supplementing 10g/l glucose and 1% Tween 80 (w/v). Under the optimized transformation conditions, 0.75g/l AD was reduced to a single product TS with >90% yield and >99% diastereomeric excess (de) within 24h. This strain also reduced other 17-oxosteroids such as estrone, 3β-hydroxyandrost-5-en-17-one and norandrostenedione, to give the corresponding 17β-hydroxysteroids, while the C-3 and C-20 carbonyl groups were intact. The absence of by-products in this microbial 17β-reduction would facilitate the product purification. As such, the strain might serve as a useful biocatalyst for this important transformation.
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Affiliation(s)
- Yuanyuan Liu
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, College of Biotechnology, Tianjin University of Science & Technology, Tianjin 300457, China; National Engineering Laboratory for Industrial Enzymes and Tianjin Engineering Research Center of Biocatalytic Technology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China
| | - Yu Wang
- National Engineering Laboratory for Industrial Enzymes and Tianjin Engineering Research Center of Biocatalytic Technology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China
| | - Xi Chen
- National Engineering Laboratory for Industrial Enzymes and Tianjin Engineering Research Center of Biocatalytic Technology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China
| | - Qiaqing Wu
- National Engineering Laboratory for Industrial Enzymes and Tianjin Engineering Research Center of Biocatalytic Technology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China.
| | - Min Wang
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, College of Biotechnology, Tianjin University of Science & Technology, Tianjin 300457, China
| | - Dunming Zhu
- National Engineering Laboratory for Industrial Enzymes and Tianjin Engineering Research Center of Biocatalytic Technology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China.
| | - Yanhe Ma
- National Engineering Laboratory for Industrial Enzymes and Tianjin Engineering Research Center of Biocatalytic Technology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China
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Jiang SW, Xu S, Chen H, Liu X, Tang Z, Cui Y, Liu J. Pathologic significance of SET/I2PP2A-mediated PP2A and non-PP2A pathways in polycystic ovary syndrome (PCOS). Clin Chim Acta 2017; 464:155-159. [PMID: 27836688 DOI: 10.1016/j.cca.2016.11.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2016] [Revised: 11/06/2016] [Accepted: 11/07/2016] [Indexed: 02/05/2023]
Abstract
SET (SE translocation, SET), a constitutive inhibitor of protein phosphatase 2A (PP2A), is a multifunctional oncoprotein involved in DNA replication, histone modification, nucleosome assembly, gene transcription and cell proliferation. It is widely expressed in human tissues including the gonadal system and brain. Intensive studies have shown that overexpressed SET plays an important role in the development of Alzheimer's disease (AD), and may also contribute to the malignant transformation of breast and ovarian cancers. Recent studies indicated that through interaction with PP2A, SET may upregulate androgen biosynthesis and contribute to hyperandrogenism in polycystic ovary syndrome (PCOS) patients. This review article summarizes data concerning the SET expression in ovaries from PCOS and normal women, and analyzes the role/regulatory mechanism of SET for androgen biosynthesis in PCOS, as well as the significance of this action in the development of PCOS. The potential value of SET-triggered pathway as a therapeutic target and the application of anti-SET reagents for treating hyperandrogenism in PCOS patients are also discussed.
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Affiliation(s)
- Shi-Wen Jiang
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital, Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China; Department of Biomedical Science, Mercer University School of Medicine, Savannah, GA, USA.
| | - Siliang Xu
- Department of Biomedical Science, Mercer University School of Medicine, Savannah, GA, USA; The State Key Laboratory of Reproductive Medicine, Clinical Center of Reproductive Medicine, First Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu 210029, China
| | - Haibin Chen
- Department of Histology and Embryology, Shantou University Medical College, Shantou, Guangdong 515000, China
| | - Xiaoqiang Liu
- The Third People's Hospital of Qingdao, Department of Obstetrics and Gynecology, Qingdao, Shandong 266041, China; Department of Medical Genetics and Developmental Biology, School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China
| | - Zuoqing Tang
- Department of Medical Genetics, School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China
| | - Yugui Cui
- The State Key Laboratory of Reproductive Medicine, Clinical Center of Reproductive Medicine, First Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu 210029, China
| | - Jiayin Liu
- The State Key Laboratory of Reproductive Medicine, Clinical Center of Reproductive Medicine, First Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu 210029, China.
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30
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Pietri E, Conteduca V, Andreis D, Massa I, Melegari E, Sarti S, Cecconetto L, Schirone A, Bravaccini S, Serra P, Fedeli A, Maltoni R, Amadori D, De Giorgi U, Rocca A. Androgen receptor signaling pathways as a target for breast cancer treatment. Endocr Relat Cancer 2016; 23:R485-98. [PMID: 27528625 DOI: 10.1530/erc-16-0190] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2016] [Accepted: 08/12/2016] [Indexed: 12/23/2022]
Abstract
The androgen receptor (AR) is a ligand-dependent transcription factor, and its effects on breast range from physiological pubertal development and age-related modifications to cancer onset and proliferation. The prevalence of AR in early breast cancer is around 60%, and AR is more frequently expressed in ER-positive than in ER-negative tumors. We offer an overview of AR signaling pathways in different breast cancer subtypes, providing evidence that its oncogenic role is likely to be different in distinct biological and clinical scenarios. In particular, in ER-positive breast cancer, AR signaling often antagonizes the growth stimulatory effect of ER signaling; in triple-negative breast cancer (TNBC), AR seems to drive tumor progression (at least in luminal AR subtype of TNBC with a gene expression profile mimicking luminal subtypes despite being negative to ER and enriched in AR expression); in HER2-positive breast cancer, in the absence of ER expression, AR signaling has a proliferative role. These data represent the rationale for AR-targeting treatment as a potentially new target therapy in breast cancer subset using androgen agonists in some AR-positive/ER-positive tumors, AR antagonists in triple-negative/AR-positive tumors and in combination with anti-HER2 agents or with other signaling pathways inhibitors (including PI3K/MYC/ERK) in HER2-positive/AR-positive tumors. Only the ongoing and future prospective clinical trials will allow us to establish which agents are the best option in every specific condition, keeping in mind that there is evidence of opposite androgens and AR agonist/antagonist drug effects on cell proliferation particularly in AR-positive/ER-positive tumors.
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Affiliation(s)
- Elisabetta Pietri
- Department of Medical OncologyIstituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Forlì-Cesena, Italy
| | - Vincenza Conteduca
- Department of Medical OncologyIstituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Forlì-Cesena, Italy
| | - Daniele Andreis
- Unit of Biostatistics and Clinical TrialsIstituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Forlì-Cesena, Italy
| | - Ilaria Massa
- Unit of Biostatistics and Clinical TrialsIstituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Forlì-Cesena, Italy
| | - Elisabetta Melegari
- Department of Medical OncologyIstituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Forlì-Cesena, Italy
| | - Samanta Sarti
- Department of Medical OncologyIstituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Forlì-Cesena, Italy
| | - Lorenzo Cecconetto
- Department of Medical OncologyIstituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Forlì-Cesena, Italy
| | - Alessio Schirone
- Department of Medical OncologyIstituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Forlì-Cesena, Italy
| | - Sara Bravaccini
- Biosciences LaboratoryIstituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Forlì-Cesena, Italy
| | - Patrizia Serra
- Unit of Biostatistics and Clinical TrialsIstituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Forlì-Cesena, Italy
| | - Anna Fedeli
- Department of Medical OncologyIstituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Forlì-Cesena, Italy
| | - Roberta Maltoni
- Department of Medical OncologyIstituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Forlì-Cesena, Italy
| | - Dino Amadori
- Department of Medical OncologyIstituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Forlì-Cesena, Italy
| | - Ugo De Giorgi
- Department of Medical OncologyIstituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Forlì-Cesena, Italy
| | - Andrea Rocca
- Department of Medical OncologyIstituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Forlì-Cesena, Italy
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Abstract
PURPOSE OF REVIEW The review is targeted at describing the advances in our understanding of androgen actions in the breast over the last 18 months. Androgens are current 'hot topics' in breast cancer because of their potential as therapeutics in situations where we currently do not have good clinical options. This is true for both estrogen receptor alpha (ERα) negative and ERα positive cancers. RECENT FINDINGS The review has focused on examining associations between androgen receptor and patient prognosis and outcomes in different breast cancer subtypes. A logical extension of this is covering the timely topic of the use of androgen-directed therapy in these patients. The principle settings in which this is being considered is in ERα positive cancer with therapeutic resistance to ER-directed therapies and in ERα negative breast cancer that lack current standard targeted therapies. Finally interactions between mutations, and the potential role of androgen in the normal hierarchy of mammary cell differentiation and the relationship of this to cancer, are considered. SUMMARY Androgens are firmly established as important factors across multiple breast cancer subtypes. The future challenge for basic researchers and important development for clinicians is going to be translating this understanding into effective therapeutics for the benefit of breast cancer patients.
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Affiliation(s)
- Keely M McNamara
- Department of Anatomical Pathology, Tohoku University School of Graduate Medicine, 2-1 Seiryo-machi Aoba-Ku, Sendai, Japan
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