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Vegeto E, Villa A, Della Torre S, Crippa V, Rusmini P, Cristofani R, Galbiati M, Maggi A, Poletti A. The Role of Sex and Sex Hormones in Neurodegenerative Diseases. Endocr Rev 2020; 41:5572525. [PMID: 31544208 PMCID: PMC7156855 DOI: 10.1210/endrev/bnz005] [Citation(s) in RCA: 99] [Impact Index Per Article: 24.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Accepted: 09/20/2019] [Indexed: 12/11/2022]
Abstract
Neurodegenerative diseases (NDs) are a wide class of disorders of the central nervous system (CNS) with unknown etiology. Several factors were hypothesized to be involved in the pathogenesis of these diseases, including genetic and environmental factors. Many of these diseases show a sex prevalence and sex steroids were shown to have a role in the progression of specific forms of neurodegeneration. Estrogens were reported to be neuroprotective through their action on cognate nuclear and membrane receptors, while adverse effects of male hormones have been described on neuronal cells, although some data also suggest neuroprotective activities. The response of the CNS to sex steroids is a complex and integrated process that depends on (i) the type and amount of the cognate steroid receptor and (ii) the target cell type-either neurons, glia, or microglia. Moreover, the levels of sex steroids in the CNS fluctuate due to gonadal activities and to local metabolism and synthesis. Importantly, biochemical processes involved in the pathogenesis of NDs are increasingly being recognized as different between the two sexes and as influenced by sex steroids. The aim of this review is to present current state-of-the-art understanding on the potential role of sex steroids and their receptors on the onset and progression of major neurodegenerative disorders, namely, Alzheimer's disease, Parkinson's diseases, amyotrophic lateral sclerosis, and the peculiar motoneuron disease spinal and bulbar muscular atrophy, in which hormonal therapy is potentially useful as disease modifier.
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Affiliation(s)
- Elisabetta Vegeto
- Center of Excellence on Neurodegenerative Diseases, Università degli Studi di Milano, Italy.,Dipartimento di Scienze Farmaceutiche (DiSFarm), Università degli Studi di Milano, Italy
| | - Alessandro Villa
- Center of Excellence on Neurodegenerative Diseases, Università degli Studi di Milano, Italy.,Dipartimento di Scienze della Salute (DiSS), Università degli Studi di Milano, Italy
| | - Sara Della Torre
- Center of Excellence on Neurodegenerative Diseases, Università degli Studi di Milano, Italy.,Dipartimento di Scienze Farmaceutiche (DiSFarm), Università degli Studi di Milano, Italy
| | - Valeria Crippa
- Center of Excellence on Neurodegenerative Diseases, Università degli Studi di Milano, Italy.,Dipartimento di Eccellenza di Scienze Farmacologiche e Biomolecolari (DiSFeB), Università degli Studi di Milano, Italy
| | - Paola Rusmini
- Center of Excellence on Neurodegenerative Diseases, Università degli Studi di Milano, Italy.,Dipartimento di Eccellenza di Scienze Farmacologiche e Biomolecolari (DiSFeB), Università degli Studi di Milano, Italy
| | - Riccardo Cristofani
- Center of Excellence on Neurodegenerative Diseases, Università degli Studi di Milano, Italy.,Dipartimento di Eccellenza di Scienze Farmacologiche e Biomolecolari (DiSFeB), Università degli Studi di Milano, Italy
| | - Mariarita Galbiati
- Center of Excellence on Neurodegenerative Diseases, Università degli Studi di Milano, Italy.,Dipartimento di Eccellenza di Scienze Farmacologiche e Biomolecolari (DiSFeB), Università degli Studi di Milano, Italy
| | - Adriana Maggi
- Center of Excellence on Neurodegenerative Diseases, Università degli Studi di Milano, Italy.,Dipartimento di Scienze Farmaceutiche (DiSFarm), Università degli Studi di Milano, Italy
| | - Angelo Poletti
- Center of Excellence on Neurodegenerative Diseases, Università degli Studi di Milano, Italy.,Dipartimento di Eccellenza di Scienze Farmacologiche e Biomolecolari (DiSFeB), Università degli Studi di Milano, Italy
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Halievski K, Nath SR, Katsuno M, Adachi H, Sobue G, Breedlove SM, Lieberman AP, Jordan CL. Disease Affects Bdnf Expression in Synaptic and Extrasynaptic Regions of Skeletal Muscle of Three SBMA Mouse Models. Int J Mol Sci 2019; 20:ijms20061314. [PMID: 30875922 PMCID: PMC6470984 DOI: 10.3390/ijms20061314] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 03/08/2019] [Accepted: 03/09/2019] [Indexed: 01/01/2023] Open
Abstract
Spinal bulbar muscular atrophy (SBMA) is a slowly progressive, androgen-dependent neuromuscular disease in men that is characterized by both muscle and synaptic dysfunction. Because gene expression in muscle is heterogeneous, with synaptic myonuclei expressing genes that regulate synaptic function and extrasynaptic myonuclei expressing genes to regulate contractile function, we used quantitative PCR to compare gene expression in these two domains of muscle from three different mouse models of SBMA: the "97Q" model that ubiquitously expresses mutant human androgen receptor (AR), the 113Q knock-in (KI) model that expresses humanized mouse AR with an expanded glutamine tract, and the "myogenic" model that overexpresses wild-type rat AR only in skeletal muscle. We were particularly interested in neurotrophic factors because of their role in maintaining neuromuscular function via effects on both muscle and synaptic function, and their implicated role in SBMA. We confirmed previous reports of the enriched expression of select genes (e.g., the acetylcholine receptor) in the synaptic region of muscle, and are the first to report the synaptic enrichment of others (e.g., glial cell line-derived neurotrophic factor). Interestingly, all three models displayed comparably dysregulated expression of most genes examined in both the synaptic and extrasynaptic domains of muscle, with only modest differences between regions and models. These findings of comprehensive gene dysregulation in muscle support the emerging view that skeletal muscle may be a prime therapeutic target for restoring function of both muscles and motoneurons in SBMA.
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Affiliation(s)
- Katherine Halievski
- Neuroscience Program, 108 Giltner Hall, Michigan State University, East Lansing, MI 48824-1115, USA.
| | - Samir R Nath
- Department of Pathology, University of Michigan Medical School, Ann Arbor, MI 48109, USA.
| | - Masahisa Katsuno
- Department of Neurology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan.
| | - Hiroaki Adachi
- Department of Neurology, University of Occupational and Environment Health School of Medicine, 1-1 Iseigaoka, Yahatanishi-ku, Kitakyushu Fukuoka 807-8555, Japan.
| | - Gen Sobue
- Department of Neurology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan.
| | - S Marc Breedlove
- Neuroscience Program, 108 Giltner Hall, Michigan State University, East Lansing, MI 48824-1115, USA.
| | - Andrew P Lieberman
- Department of Pathology, University of Michigan Medical School, Ann Arbor, MI 48109, USA.
| | - Cynthia L Jordan
- Neuroscience Program, 108 Giltner Hall, Michigan State University, East Lansing, MI 48824-1115, USA.
- Physiology Department, 108 Giltner Hall, Michigan State University, East Lansing, MI 48824-1115, USA.
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Pennuto M, Rinaldi C. From gene to therapy in spinal and bulbar muscular atrophy: Are we there yet? Mol Cell Endocrinol 2018; 465:113-121. [PMID: 28688959 DOI: 10.1016/j.mce.2017.07.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2017] [Revised: 06/30/2017] [Accepted: 07/03/2017] [Indexed: 01/12/2023]
Abstract
Abnormal polyglutamine expansions in the androgen receptor (AR) cause a muscular condition, known as Kennedy's disease or spinal and bulbar muscular atrophy (SBMA). The disease is transmitted in an X-linked fashion and is clinically characterized by weakness, atrophy and fasciculations of the limb and bulbar muscles as a result of a toxic gain-of-function of the mutant protein. Notably, affected males also show signs of androgen insensitivity, such as gynaecomastia and reduced fertility. The characterization of the natural history of the disease, the increasing understanding of the mechanism of pathogenesis and the elucidation of the functions of normal and mutant AR have offered a momentum for developing a rational therapeutic strategy for this disease. In this special issue on androgens and AR functions, we will review the molecular, biochemical, and cellular mechanisms underlying the pathogenesis of SBMA. We will discuss recent advances on therapeutic approaches and opportunities for this yet incurable disease, ranging from androgen deprivation, to gene silencing, to an expanding repertoire of peripheral targets, including muscle. With the advancement of these strategies into the clinic, it can be reasonably anticipated that the landscape of treatment options for SBMA and other neuromuscular conditions will change rapidly in the near future.
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Affiliation(s)
- Maria Pennuto
- Dulbecco Telethon Institute, Centre for Integrative Biology, University of Trento, 38123 Trento, Italy; Department of Biomedical Sciences, University of Padova, 35121 Padova, Italy.
| | - Carlo Rinaldi
- Department of Physiology, Anatomy and Genetics, University of Oxford, OX1 3QX Oxford, UK.
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De Vos KJ, Hafezparast M. Neurobiology of axonal transport defects in motor neuron diseases: Opportunities for translational research? Neurobiol Dis 2017; 105:283-299. [PMID: 28235672 PMCID: PMC5536153 DOI: 10.1016/j.nbd.2017.02.004] [Citation(s) in RCA: 109] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2016] [Revised: 01/26/2017] [Accepted: 02/20/2017] [Indexed: 12/12/2022] Open
Abstract
Intracellular trafficking of cargoes is an essential process to maintain the structure and function of all mammalian cell types, but especially of neurons because of their extreme axon/dendrite polarisation. Axonal transport mediates the movement of cargoes such as proteins, mRNA, lipids, membrane-bound vesicles and organelles that are mostly synthesised in the cell body and in doing so is responsible for their correct spatiotemporal distribution in the axon, for example at specialised sites such as nodes of Ranvier and synaptic terminals. In addition, axonal transport maintains the essential long-distance communication between the cell body and synaptic terminals that allows neurons to react to their surroundings via trafficking of for example signalling endosomes. Axonal transport defects are a common observation in a variety of neurodegenerative diseases, and mutations in components of the axonal transport machinery have unequivocally shown that impaired axonal transport can cause neurodegeneration (reviewed in El-Kadi et al., 2007, De Vos et al., 2008; Millecamps and Julien, 2013). Here we review our current understanding of axonal transport defects and the role they play in motor neuron diseases (MNDs) with a specific focus on the most common form of MND, amyotrophic lateral sclerosis (ALS).
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Affiliation(s)
- Kurt J De Vos
- Sheffield Institute for Translational Neuroscience, Department of Neuroscience, University of Sheffield, Sheffield S10 2HQ, UK.
| | - Majid Hafezparast
- Neuroscience, School of Life Sciences, University of Sussex, Falmer, Brighton BN1 9QG, UK.
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Francis SP, Cunningham LL. Non-autonomous Cellular Responses to Ototoxic Drug-Induced Stress and Death. Front Cell Neurosci 2017; 11:252. [PMID: 28878625 PMCID: PMC5572385 DOI: 10.3389/fncel.2017.00252] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2017] [Accepted: 08/08/2017] [Indexed: 12/20/2022] Open
Abstract
The first major recognition of drug-induced hearing loss can be traced back more than seven decades to the development of streptomycin as an antimicrobial agent. Since then at least 130 therapeutic drugs have been recognized as having ototoxic side-effects. Two important classes of ototoxic drugs are the aminoglycoside antibiotics and the platinum-based antineoplastic agents. These drugs save the lives of millions of people worldwide, but they also cause irreparable hearing loss. In the inner ear, sensory hair cells (HCs) and spiral ganglion neurons (SGNs) are important cellular targets of these drugs, and most mechanistic studies have focused on the cell-autonomous responses of these cell types in response to ototoxic stress. Despite several decades of studies on ototoxicity, important unanswered questions remain, including the cellular and molecular mechanisms that determine whether HCs and SGNs will live or die when confronted with ototoxic challenge. Emerging evidence indicates that other cell types in the inner ear can act as mediators of survival or death of sensory cells and SGNs. For example, glia-like supporting cells (SCs) can promote survival of both HCs and SGNs. Alternatively, SCs can act to promote HC death and inhibit neural fiber expansion. Similarly, tissue resident macrophages activate either pro-survival or pro-death signaling that can influence HC survival after exposure to ototoxic agents. Together these data indicate that autonomous responses that occur within a stressed HC or SGN are not the only (and possibly not the primary) determinants of whether the stressed cell ultimately lives or dies. Instead non-cell-autonomous responses are emerging as significant determinants of HC and SGN survival vs. death in the face of ototoxic stress. The goal of this review is to summarize the current evidence on non-cell-autonomous responses to ototoxic stress and to discuss ways in which this knowledge may advance the development of therapies to reduce hearing loss caused by these drugs.
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Affiliation(s)
- Shimon P Francis
- National Institute on Deafness and Other Communication Disorders, National Institutes of HealthBethesda, MD, United States
| | - Lisa L Cunningham
- National Institute on Deafness and Other Communication Disorders, National Institutes of HealthBethesda, MD, United States
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