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Bourque M, Morissette M, Soulet D, Di Paolo T. Impact of Sex on Neuroimmune contributions to Parkinson's disease. Brain Res Bull 2023:110668. [PMID: 37196734 DOI: 10.1016/j.brainresbull.2023.110668] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 03/27/2023] [Accepted: 05/13/2023] [Indexed: 05/19/2023]
Abstract
Parkinson's disease (PD) is the second most common neurodegenerative disorder after Alzheimer's disease. Inflammation has been observed in both the idiopathic and familial forms of PD. Importantly, PD is reported more often in men than in women, men having at least 1.5- fold higher risk to develop PD than women. This review summarizes the impact of biological sex and sex hormones on the neuroimmune contributions to PD and its investigation in animal models of PD. Innate and peripheral immune systems participate in the brain neuroinflammation of PD patients and is reproduced in neurotoxin, genetic and alpha-synuclein based models of PD. Microglia and astrocytes are the main cells of the innate immune system in the central nervous system and are the first to react to restore homeostasis in the brain. Analysis of serum immunoprofiles in female and male control and PD patients show that a great proportion of these markers differ between male and female. The relationship between CSF inflammatory markers and PD clinical characteristics or PD biomarkers shows sex differences. Conversely, in animal models of PD, sex differences in inflammation are well documented and the beneficial effects of endogenous and exogenous estrogenic modulation in inflammation have been reported. Targeting neuroinflammation in PD is an emerging therapeutic option but gonadal drugs have not yet been investigated in this respect, thus offering new opportunities for sex specific treatments.
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Affiliation(s)
- Mélanie Bourque
- Centre de Recherche du CHU de Québec, Axe Neurosciences, 2705, Boulevard Laurier, Québec, (Québec), G1V4G2, Canada.
| | - Marc Morissette
- Centre de Recherche du CHU de Québec, Axe Neurosciences, 2705, Boulevard Laurier, Québec, (Québec), G1V4G2, Canada.
| | - Denis Soulet
- Centre de Recherche du CHU de Québec, Axe Neurosciences, 2705, Boulevard Laurier, Québec, (Québec), G1V4G2, Canada; Faculté de Pharmacie, Pavillon Ferdinand-Vandry, 1050, avenue de la Médecine, Université Laval, Québec (Québec) G1V 0A6, Canada.
| | - Thérèse Di Paolo
- Centre de Recherche du CHU de Québec, Axe Neurosciences, 2705, Boulevard Laurier, Québec, (Québec), G1V4G2, Canada; Faculté de Pharmacie, Pavillon Ferdinand-Vandry, 1050, avenue de la Médecine, Université Laval, Québec (Québec) G1V 0A6, Canada.
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2
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Unda SR, Marciano S, Milner TA, Marongiu R. State-of-the-art review of the clinical research on menopause and hormone replacement therapy association with Parkinson's disease: What meta-analysis studies cannot tell us. Front Aging Neurosci 2022; 14:971007. [PMID: 36337706 PMCID: PMC9631815 DOI: 10.3389/fnagi.2022.971007] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 09/29/2022] [Indexed: 11/27/2023] Open
Abstract
The menopause is a midlife endocrinological process that greatly affects women's central nervous system functions. Over the last 2 decades numerous clinical studies have addressed the influence of ovarian hormone decline on neurological disorders like Parkinson's disease and Alzheimer's disease. However, the findings in support of a role for age at menopause, type of menopause and hormone replacement therapy on Parkinson's disease onset and its core features show inconsistencies due to the heterogeneity in the study design. Here, we provide a unified overview of the clinical literature on the influence of menopause and ovarian hormones on Parkinson's disease. We highlight the possible sources of conflicting evidence and gather considerations for future observational clinical studies that aim to explore the neurological impact of menopause-related features in Parkinson's disease.
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Affiliation(s)
- Santiago R. Unda
- Department of Neurological Surgery, Weill Cornell Medicine, New York, NY, United States
| | - Sabina Marciano
- Department of Neurological Surgery, Weill Cornell Medicine, New York, NY, United States
| | - Teresa A. Milner
- Feil Family Brain and Mind Research Institute, Weill Cornell Medicine, New York, NY, United States
- Harold and Milliken Hatch Laboratory of Neuroendocrinology, The Rockefeller University, New York, NY, United States
| | - Roberta Marongiu
- Department of Neurological Surgery, Weill Cornell Medicine, New York, NY, United States
- Feil Family Brain and Mind Research Institute, Weill Cornell Medicine, New York, NY, United States
- Department of Genetic Medicine, Weill Cornell Medicine, New York, NY, United States
- Aligning Science Across Parkinson’s (ASAP) Collaborative Research Network, Chevy Chase, MD, United States
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3
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Ou R, Wei Q, Hou Y, Zhang L, Liu K, Lin J, Yang T, Yang J, Jiang Z, Song W, Cao B, Shang H. Reproductive Lifespan and Motor Progression of Parkinson’s Disease. J Clin Med 2022; 11:jcm11206163. [PMID: 36294482 PMCID: PMC9605617 DOI: 10.3390/jcm11206163] [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: 09/10/2022] [Revised: 10/08/2022] [Accepted: 10/10/2022] [Indexed: 11/16/2022] Open
Abstract
Objectives: Estrogen not only plays a key role in the decreased risk of Parkinson’s disease (PD) but also influences its severity. We aimed to explore the effect of the reproductive lifespan on the motor progression of PD female patients in a large prospective cohort study. Methods: A competing risk analysis with a Fine and Gray model on 491 female and 609 male patients with PD was conducted. We regarded the chance of faster motor progression (as measured by the Unified Parkinson’s Disease Rating Scale (UPDRS) III increasing by ≥16 points during follow-up) and the chance of death as competing risks. The reproductive lifespan was regarded as the variable of interest, while faster motor progression was set as the primary outcome. Results: In the multivariable competing risk analysis, the male sex was not significantly associated with faster motor progression (subdistribution hazard ratio (SHR) 0.888, 95% CI 0.652–1.209, p = 0.450), while a shorter reproductive lifespan was associated with faster motor progression in women (SHR 0.964, 95% CI 0.936–0.994, p = 0.019). Sensitivity analysis indicated that a shorter reproductive lifespan was also significantly associated with faster motor progression in the 48 female patients who reported menopause after the onset of PD (SHR 0.156, 95% CI 0.045–0.542, p = 0.003). A linear mixed model also revealed the significant main effects of a short reproductive lifespan on the higher UPDRS III score in PD female patients at the last visit (p = 0.026). Conclusions: Our study indicates that a short reproductive lifespan contributes to faster motor progression in PD female patients, which has important implications for understanding the role of endogenous estrogen exposure in female PD and is beneficial to select appropriate patients in clinical trials.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | - Huifang Shang
- Correspondence: ; Tel.: +86-18980602127; Fax: +86-028-85423550
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4
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Хамадьянова АУ, Кузнецов КО, Гайфуллина ЭИ, Каландин ДА, Хамидуллина РР, Халитова ИФ, Фаизов РМ, Камалетдинова НО, Асланова БФ, Накиева АГ, Бурангулова ЛЭ, Гайсина ГО. [Androgens and Parkinson's disease: the role in humans and in experiment]. PROBLEMY ENDOKRINOLOGII 2022; 68:146-156. [PMID: 36689720 PMCID: PMC9939975 DOI: 10.14341/probl13148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 08/07/2022] [Accepted: 09/04/2022] [Indexed: 01/25/2023]
Abstract
Parkinson's disease (PD) is the second most common neurodegenerative disease after Alzheimer's disease. There is evidence that PD has a wider prevalence among men, which indicates the existing role of sex hormones in the pathogenesis of the disease. The article presents an overview of studies devoted to the study of sex differences in the incidence and symptoms of PD. Drug therapy with androgens, androgen precursors, antiandrogens and drugs that modify androgen metabolism is available for the treatment of various endocrine conditions, having translational significance for PD, but none of these drugs has yet shown sufficient effectiveness. Although PD has now been proven to be more common in men than in women, androgens do not always have any effect on the symptoms or progression of the disease. 5α-reductase inhibitors have shown neuroprotective and anti-dyskinetic activity and need further investigation. Despite the fact that the neuroprotective effect of dutasteride was observed only before damage to DA neurons, the absence of a negative effect makes it an attractive drug for use in patients with PD due to its anti-dyskinetic properties.
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Affiliation(s)
| | | | | | - Д. А. Каландин
- Первый Санкт-Петербургский государственный медицинский университет им. акад. И.П. Павлова
| | | | | | - Р. М. Фаизов
- Башкирский государственный медицинский университет
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5
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Gender differences in dopaminergic system dysfunction in de novo Parkinson's disease clinical subtypes. Neurobiol Dis 2022; 167:105668. [DOI: 10.1016/j.nbd.2022.105668] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 02/11/2022] [Accepted: 02/21/2022] [Indexed: 11/18/2022] Open
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6
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Bourque M, Soulet D, Di Paolo T. Androgens and Parkinson's Disease: A Review of Human Studies and Animal Models. ANDROGENS: CLINICAL RESEARCH AND THERAPEUTICS 2022; 2:294-303. [PMID: 35024696 PMCID: PMC8744006 DOI: 10.1089/andro.2021.0011] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Accepted: 08/19/2021] [Indexed: 12/14/2022]
Abstract
Parkinson's disease (PD) is the second most common neurodegenerative disorder after Alzheimer's disease. A greater prevalence and incidence of PD are reported in men than in women, suggesting a potential contribution of sex, genetic difference and/or sex hormones. This review presents an overview of epidemiological and clinical studies investigating sex differences in the incidence and symptoms of PD. This sex difference is replicated in animal models of PD showing an important neuroprotective role of sex steroids. Therefore, although gender and genetic factors likely contribute to the sex difference in PD, focus here will be on sex hormones because of their neuroprotective role. Androgens receive less attention than estrogen. It is well known that endogenous androgens are more abundant in healthy men than in women and decrease with aging; lower levels are reported in PD men than in healthy male subjects. Drug treatments with androgens, androgen precursors, antiandrogens, and drugs modifying androgen metabolism are available to treat various endocrine conditions, thus having translational value for PD but none have yet given sufficient positive effects for PD. Variability in the androgen receptor is reported in humans and is an additional factor in the response to androgens. In animal models of PD used to study neuroprotective activity, the androgens testosterone and dihydrotestosterone have given inconsistent results. 5α-Reductase inhibitors have shown neuroprotective activity in animal models of PD and antidyskinetic activity. Hence, androgens have not consistently shown beneficial or deleterious effects in PD but numerous androgen-related drugs are available that could be repurposed for PD.
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Affiliation(s)
- Mélanie Bourque
- Centre de Recherche du CHU de Québec-Université Laval, Axe Neurosciences, Québec, Canada
| | - Denis Soulet
- Centre de Recherche du CHU de Québec-Université Laval, Axe Neurosciences, Québec, Canada.,Faculté de pharmacie, Pavillon Ferdinand-Vandry, Université Laval, Québec, Canada
| | - Thérèse Di Paolo
- Centre de Recherche du CHU de Québec-Université Laval, Axe Neurosciences, Québec, Canada.,Faculté de pharmacie, Pavillon Ferdinand-Vandry, Université Laval, Québec, Canada
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7
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Lopez-Lee C, Kodama L, Gan L. Sex Differences in Neurodegeneration: The Role of the Immune System in Humans. Biol Psychiatry 2022; 91:72-80. [PMID: 33715827 PMCID: PMC8263798 DOI: 10.1016/j.biopsych.2021.01.002] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 12/29/2020] [Accepted: 01/04/2021] [Indexed: 01/03/2023]
Abstract
Growing evidence supports significant involvement of immune dysfunction in the etiology of neurodegenerative diseases, several of which also display prominent sex differences across prevalence, pathology, and symptomology. In this review, we summarize evidence from human studies of established and recent findings of sex differences in multiple sclerosis, Alzheimer's disease, Parkinson's disease, and amyotrophic lateral sclerosis and discuss how sex-specific central nervous system innate immune activity could contribute to downstream sex differences in these diseases. We examine human genomic and transcriptomics studies in each neurodegenerative disease through the lens of sex differences in the neuroimmune system and highlight the importance of stratifying sex in clinical and translational research studies. Finally, we discuss the limitations of the existing studies and outline recommendations for further advancing sex-based analyses to uncover novel disease mechanisms that could ultimately help treat both sexes.
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Affiliation(s)
- Chloe Lopez-Lee
- Neuroscience Graduate Program, Brain and Mind Research Institute, Weill Cornell Medicine, New York, New York; Helen and Robert Appel Alzheimer's Disease Research Institute, Brain and Mind Research Institute, Weill Cornell Medicine, New York, New York
| | - Lay Kodama
- Helen and Robert Appel Alzheimer's Disease Research Institute, Brain and Mind Research Institute, Weill Cornell Medicine, New York, New York; Medical Scientist Training Program and Neuroscience Graduate Program, University of California San Francisco, San Francisco, California.
| | - Li Gan
- Neuroscience Graduate Program, Brain and Mind Research Institute, Weill Cornell Medicine, New York, New York; Helen and Robert Appel Alzheimer's Disease Research Institute, Brain and Mind Research Institute, Weill Cornell Medicine, New York, New York.
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8
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Isenbrandt A, Morissette M, Bourque M, Lamontagne-Proulx J, Coulombe K, Soulet D, Di Paolo T. Effect of sex and gonadectomy on brain MPTP toxicity and response to dutasteride treatment in mice. Neuropharmacology 2021; 201:108784. [PMID: 34555366 DOI: 10.1016/j.neuropharm.2021.108784] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 08/27/2021] [Accepted: 09/03/2021] [Indexed: 01/03/2023]
Abstract
The main neuropathological feature of Parkinson's disease (PD) is degeneration of dopamine (DA) neurons in the substantia nigra (SN); PD prevalence is higher in men, suggesting a role of sex hormones in neuroprotection. This study sought the effects of sex hormones in the brain in a mouse model of PD and modulation of steroid metabolism/synthesis with the 5α-reductase inhibitor dutasteride shown to protect 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) male mice. Male and female mice were gonadectomized (GDX) or SHAM operated. They were treated with vehicle or dutasteride (5 mg/kg) for 10 days and administered a low dose of MPTP (5.5 mg/kg) or saline on the 5th day to model early PD; brains were collected thereafter. Striatal measures of the active metabolite 1-methyl-4-phenylpyridinium (MPP+) contents showed no difference supporting an effect of the experimental conditions investigated. In SHAM MPTP male mice loss of striatal DA and metabolites, DA transporter (DAT) and vesicular monoamine transporter 2 (VMAT2) specific binding in the striatum and SN was prevented by dutasteride treatment; these changes were inversely correlated with glial fibrillary acidic protein (GFAP, an astrogliosis marker) levels. In SHAM female mice MPTP treatment had little or no effect on striatal and SN DA markers and GFAP levels whereas GDX male and female mice showed a similar loss of striatal DA markers and increase of GFAP. No effect of dutasteride treatment was observed in GDX male and female mice. In conclusion, sex differences in mice MPTP toxicity and response to dutasteride were observed that were lost upon gonadectomy implicating neuroinflammation.
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Affiliation(s)
- Amandine Isenbrandt
- Centre de Recherche du CHU de Québec, Axe Neurosciences, 2705, Boulevard Laurier, Québec, (Québec), G1V4G2, Canada; Faculté de Pharmacie, Pavillon Ferdinand-Vandry, 1050, avenue de la Médecine, Université Laval, Québec, (Québec) G1V 0A6, Canada
| | - Marc Morissette
- Centre de Recherche du CHU de Québec, Axe Neurosciences, 2705, Boulevard Laurier, Québec, (Québec), G1V4G2, Canada
| | - Mélanie Bourque
- Centre de Recherche du CHU de Québec, Axe Neurosciences, 2705, Boulevard Laurier, Québec, (Québec), G1V4G2, Canada
| | - Jérôme Lamontagne-Proulx
- Centre de Recherche du CHU de Québec, Axe Neurosciences, 2705, Boulevard Laurier, Québec, (Québec), G1V4G2, Canada; Faculté de Pharmacie, Pavillon Ferdinand-Vandry, 1050, avenue de la Médecine, Université Laval, Québec, (Québec) G1V 0A6, Canada
| | - Katherine Coulombe
- Centre de Recherche du CHU de Québec, Axe Neurosciences, 2705, Boulevard Laurier, Québec, (Québec), G1V4G2, Canada
| | - Denis Soulet
- Centre de Recherche du CHU de Québec, Axe Neurosciences, 2705, Boulevard Laurier, Québec, (Québec), G1V4G2, Canada; Faculté de Pharmacie, Pavillon Ferdinand-Vandry, 1050, avenue de la Médecine, Université Laval, Québec, (Québec) G1V 0A6, Canada
| | - Thérèse Di Paolo
- Centre de Recherche du CHU de Québec, Axe Neurosciences, 2705, Boulevard Laurier, Québec, (Québec), G1V4G2, Canada; Faculté de Pharmacie, Pavillon Ferdinand-Vandry, 1050, avenue de la Médecine, Université Laval, Québec, (Québec) G1V 0A6, Canada.
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9
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MacAskill MR, Myall DJ, Shoorangiz R, Anderson TJ, Pitcher TL. Childbirth and Delayed Parkinson's Onset: A Reproducible Nonbiological Artifact of Societal Change. Mov Disord 2021; 35:1268-1271. [PMID: 32691912 DOI: 10.1002/mds.28135] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Revised: 03/10/2020] [Accepted: 03/16/2020] [Indexed: 01/23/2023] Open
Abstract
BACKGROUND Uncontrolled studies have reported associations between later Parkinson's disease onset in women and a history of giving birth, with age at onset delayed by nearly 3 years per child. We tested this association in two independent data sets, but, as a control to test for nonbiological explanations, also included men with PD. METHODS We analyzed valid cases from the Parkinson's Progressive Markers Initiative incident sample (145 women, 276 men) and a prevalent sample surveyed by the New Zealand Brain Research Institute (210 women, 394 men). RESULTS The association was present in both women and men in the Parkinson's Progressive Markers Initiative study, and absent in both in the New Zealand Brain Research Institute study. This is consistent with generational differences common to men and women, which confound with age at onset in incident-dominant samples. CONCLUSIONS Despite being replicable in certain circumstances, associations between childbirth and later PD onset are an artifact of generational cohort differences. © 2020 International Parkinson and Movement Disorder Society.
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Affiliation(s)
- Michael R MacAskill
- New Zealand Brain Research Institute, Christchurch, New Zealand.,Department of Medicine, University of Otago, Christchurch, Christchurch, New Zealand
| | - Daniel J Myall
- New Zealand Brain Research Institute, Christchurch, New Zealand
| | - Reza Shoorangiz
- New Zealand Brain Research Institute, Christchurch, New Zealand.,Department of Electrical and Computer Engineering, University of Canterbury, Christchurch, New Zealand
| | - Tim J Anderson
- New Zealand Brain Research Institute, Christchurch, New Zealand.,Department of Medicine, University of Otago, Christchurch, Christchurch, New Zealand.,Brain Research New Zealand, Rangahau Roro Aotearoa.,Department of Neurology, Christchurch Hospital, Christchurch, New Zealand
| | - Toni L Pitcher
- New Zealand Brain Research Institute, Christchurch, New Zealand.,Department of Medicine, University of Otago, Christchurch, Christchurch, New Zealand.,Brain Research New Zealand, Rangahau Roro Aotearoa
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10
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Mishra SR, Chung HF, Waller M, Mishra GD. Duration of estrogen exposure during reproductive years, age at menarche and age at menopause, and risk of cardiovascular disease events, all-cause and cardiovascular mortality: a systematic review and meta-analysis. BJOG 2020; 128:809-821. [PMID: 32965759 DOI: 10.1111/1471-0528.16524] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/25/2020] [Indexed: 12/24/2022]
Abstract
BACKGROUND Little is known about the estrogen exposure measurement and mutual effect of age at menarche and age at menopause in the risk of cardiovascular disease (CVD) events. OBJECTIVES To evaluate estrogen exposure measurement and describe mutual effect of age at menarche and age at menopause in the risk of CVD events. SEARCH STRATEGY Systematic review of literature in PubMed, Embase and Web of Science for studies published up to 28 June 2020. SELECTION CRITERIA Observational studies related to estrogen exposure measurement, including mutual effect of age at menarche and age at menopause and risk of CVD events. DATA COLLECTION AND ANALYSIS Synthesis of evidence was conducted by reviewing individual estimates, followed by meta-analysis. The study received no external funding. MAIN RESULTS A total of 75 studies were included in synthesis of evidence, of which 17 studies were included in meta-analysis. Reproductive lifespan (age at menopause - age at menarche), endogenous estrogen exposure and total estrogen exposure were used for estrogen exposure measurement. Reproductive lifespan was by far the most commonly used method for estrogen exposure measurement. A shorter reproductive lifespan was associated with a higher risk of CVD events; the pooled relative risk (95% CI) was 1.31 (1.25-1.36) for stroke events. Robust epidemiological studies with measurement of estrogen exposure and associated health risk would strengthen the evidence. CONCLUSIONS Reproductive lifespan was the most commonly used method for estrogen exposure measurement in epidemiological studies. A shorter reproductive lifespan was associated with a higher risk of CVD events, particularly stroke. TWEETABLE ABSTRACT A systematic review and meta-analysis found that women with a shorter reproductive lifespan have a higher risk of stroke events.
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Affiliation(s)
- S R Mishra
- School of Public Health, The University of Queensland, Brisbane, Australia
| | - H-F Chung
- School of Public Health, The University of Queensland, Brisbane, Australia
| | - M Waller
- School of Public Health, The University of Queensland, Brisbane, Australia
| | - G D Mishra
- School of Public Health, The University of Queensland, Brisbane, Australia
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11
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Popat RA, Nelson LM. What Matters in Parkinson's Disease: Sex, Number of Children, or Birth Cohort? Mov Disord 2020; 35:1108-1110. [DOI: 10.1002/mds.28059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Accepted: 03/13/2020] [Indexed: 11/11/2022] Open
Affiliation(s)
- Rita A. Popat
- Department of Epidemiology and Population HealthStanford University School of Medicine Stanford California USA
| | - Lorene M. Nelson
- Department of Epidemiology and Population HealthStanford University School of Medicine Stanford California USA
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12
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Sex differences in the progressive model of parkinsonism induced by reserpine in rats. Behav Brain Res 2019; 363:23-29. [DOI: 10.1016/j.bbr.2019.01.041] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Revised: 01/05/2019] [Accepted: 01/24/2019] [Indexed: 01/09/2023]
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13
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Ball N, Teo WP, Chandra S, Chapman J. Parkinson's Disease and the Environment. Front Neurol 2019; 10:218. [PMID: 30941085 PMCID: PMC6433887 DOI: 10.3389/fneur.2019.00218] [Citation(s) in RCA: 227] [Impact Index Per Article: 45.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Accepted: 02/20/2019] [Indexed: 12/13/2022] Open
Abstract
Parkinson's disease (PD) is a heterogeneous neurodegenerative disorder that affects an estimated 10 million sufferers worldwide. The two forms of PD include familial and sporadic, and while the etiology of PD is still largely unknown, the condition is likely to be multifactorial with genetic and environmental factors contributing to disease genesis. Diagnosis of the condition is attained through the observation of cardinal clinical manifestations including resting tremor, muscle rigidity, slowness or loss of movement, and postural instability. Unfortunately, by the time these features become apparent extensive neurological damage has already occurred. A cure for PD has not been identified and the current therapy options are pharmaceutical- and/or surgical-based interventions to treat condition symptoms. There is no specific test for PD and most diagnoses are confirmed by a combination of clinical symptoms and positive responses to dopaminergic drug therapies. The prevalence and incidence of PD vary worldwide influenced by several factors such as age, gender, ethnicity, genetic susceptibilities, and environmental exposures. Here, we will present environmental factors implicated in sporadic PD onset. By understanding the mechanisms in which environmental factors interact with, and affect the brain we can stride toward finding the underlying cause(s) of PD.
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Affiliation(s)
- Nicole Ball
- School of Health, Medical and Applied Sciences, Central Queensland University, Rockhampton, QLD, Australia
| | - Wei-Peng Teo
- School of Exercise and Nutrition Sciences, Institute for Physical Activity and Nutrition, Deakin University, Melbourne, VIC, Australia.,Physical Education and Sports Science Academic Group, National Institute of Education, Nanyang Technological University, Singapore, Singapore
| | - Shaneel Chandra
- School of Health, Medical and Applied Sciences, Central Queensland University, Rockhampton, QLD, Australia
| | - James Chapman
- School of Science, RMIT University, Melbourne, VIC, Australia
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14
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Bourque M, Morissette M, Di Paolo T. Repurposing sex steroids and related drugs as potential treatment for Parkinson's disease. Neuropharmacology 2018; 147:37-54. [PMID: 29649433 DOI: 10.1016/j.neuropharm.2018.04.005] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 03/27/2018] [Accepted: 04/05/2018] [Indexed: 01/19/2023]
Abstract
Parkinson's disease (PD) is a neurodegenerative disorder for which a greater prevalence and incidence is described in men. This suggests a protective effect of sex hormones in the brain. Therefore, steroids and drugs to treat endocrine conditions could have additional application for PD. Here, we review the protective effect of sex hormones, particularly estrogens, progesterone, androgens and dehydroepiandrosterone, in animal models of PD and also in human studies. Data also support that drugs affecting estrogen neurotransmission such as selective estrogen receptor modulators or affecting steroid metabolism with 5α-reductase inhibitors could be repositioned for treatment of PD. Sex steroids are also modulator of neurotransmission, thus they could repurposed to treat PD motor symptoms and to modulate the response to PD medication. No drug is yet available to limit PD progression. PD is a complex disease implicating multiple pathological processes and a therapeutic strategy using drugs with several mechanisms of action, such as sex steroids and endocrine drugs are interesting repositioning options for symptomatic treatment and disease-modifying activity for PD. This article is part of the Special Issue entitled 'Drug Repurposing: old molecules, new ways to fast track drug discovery and development for CNS disorders'.
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Affiliation(s)
- Mélanie Bourque
- Neuroscience Research Unit, Centre Hospitalier Universitaire de Québec, CHUL, Quebec City, G1V 4G2, Canada; Faculty of Pharmacy, Université Laval, Quebec City, G1K 7P4, Canada
| | - Marc Morissette
- Neuroscience Research Unit, Centre Hospitalier Universitaire de Québec, CHUL, Quebec City, G1V 4G2, Canada
| | - Thérèse Di Paolo
- Neuroscience Research Unit, Centre Hospitalier Universitaire de Québec, CHUL, Quebec City, G1V 4G2, Canada; Faculty of Pharmacy, Université Laval, Quebec City, G1K 7P4, Canada.
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