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Dey P, Wang A, Ziegler Y, Kumar S, Yan S, Kim SH, Katzenellenbogen JA, Katzenellenbogen BS. Estrogen Receptor Beta 1: A Potential Therapeutic Target for Female Triple Negative Breast Cancer. Endocrinology 2022; 163:6762323. [PMID: 36251879 DOI: 10.1210/endocr/bqac172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Indexed: 11/19/2022]
Abstract
Triple-negative breast cancer (TNBC) is an aggressive subtype of breast cancer characterized by the absence of estrogen receptor alpha, progesterone receptor, and HER2. These receptors often serve as targets in breast cancer treatment. As a result, TNBCs are difficult to treat and have a high propensity to metastasize to distant organs. For these reasons, TNBCs are responsible for over 50% of all breast cancer mortalities while only accounting for 15% to 20% of breast cancer cases. However, estrogen receptor beta 1 (ERβ1), an isoform of the ESR2 gene, has emerged as a potential therapeutic target in the treatment of TNBCs. Using an in vivo xenograft preclinical mouse model with human TNBC, we found that expression of ERβ1 significantly reduced both primary tumor growth and metastasis. Moreover, TNBCs with elevated levels of ERβ1 showed reduction in epithelial to mesenchymal transition markers and breast cancer stem cell markers, and increases in the expression of genes associated with inhibition of cancer cell invasiveness and metastasis, suggesting possible mechanisms underlying the antitumor activity of ERβ1. Gene expression analysis by quantitative polymerase chain reaction and RNA-seq revealed that treatment with chloroindazole, an ERβ-selective agonist ligand, often enhanced the suppressive activity of ERβ1 in TNBCs in vivo or in TNBC cells in culture, suggesting the potential utility of ERβ1 and ERβ ligand in improving TNBC treatment. The findings enable understanding of the mechanisms by which ERβ1 impedes TNBC growth, invasiveness, and metastasis and consideration of ways by which treatments involving ERβ might improve TNBC patient outcome.
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Affiliation(s)
- Parama Dey
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | - Alexander Wang
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | - Yvonne Ziegler
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | - Sandeep Kumar
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | - Shunchao Yan
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | - Sung Hoon Kim
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | - John A Katzenellenbogen
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
- Cancer Center at Illinois, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | - Benita S Katzenellenbogen
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
- Cancer Center at Illinois, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
- Carl Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
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2
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Zorrilla Veloz RI, McKenzie T, Palacios BE, Hu J. Nuclear hormone receptors in demyelinating diseases. J Neuroendocrinol 2022; 34:e13171. [PMID: 35734821 PMCID: PMC9339486 DOI: 10.1111/jne.13171] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 04/20/2022] [Accepted: 05/27/2022] [Indexed: 11/28/2022]
Abstract
Demyelination results from the pathological loss of myelin and is a hallmark of many neurodegenerative diseases. Despite the prevalence of demyelinating diseases, there are no disease modifying therapies that prevent the loss of myelin or promote remyelination. This review aims to summarize studies in the field that highlight the importance of nuclear hormone receptors in the promotion and maintenance of myelination and the relevance of nuclear hormone receptors as potential therapeutic targets for demyelinating diseases. These nuclear hormone receptors include the estrogen receptor, progesterone receptor, androgen receptor, vitamin D receptor, thyroid hormone receptor, peroxisome proliferator-activated receptor, liver X receptor, and retinoid X receptor. Pre-clinical studies in well-established animal models of demyelination have shown a prominent role of these nuclear hormone receptors in myelination through their promotion of oligodendrocyte maturation and development. The activation of the nuclear hormone receptors by their ligands also promotes the synthesis of myelin proteins and lipids in mouse models of demyelination. There are limited clinical studies that focus on how the activation of these nuclear hormone receptors could alleviate demyelination in patients with diseases such as multiple sclerosis (MS). However, the completed clinical trials have reported improved clinical outcome in MS patients treated with the ligands of some of these nuclear hormone receptors. Together, the positive results from both clinical and pre-clinical studies point to nuclear hormone receptors as promising therapeutic targets to counter demyelination.
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Affiliation(s)
- Rocío I Zorrilla Veloz
- Department of Cancer Biology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Cancer Biology Program, The University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, Houston, TX, USA
| | - Takese McKenzie
- Department of Cancer Biology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Neuroscience Program, The University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, Houston, TX, USA
| | - Bridgitte E Palacios
- Department of Cancer Biology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Cancer Biology Program, The University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, Houston, TX, USA
- Neuroscience Program, The University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, Houston, TX, USA
| | - Jian Hu
- Department of Cancer Biology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Cancer Biology Program, The University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, Houston, TX, USA
- Neuroscience Program, The University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, Houston, TX, USA
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3
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Sullivan A, Kane A, Valentic G, Rensel M. Recommendations to Address the Unique Clinical and Psychological Needs of Transgender Persons Living With Multiple Sclerosis. Int J MS Care 2022; 24:35-40. [PMID: 35261570 PMCID: PMC8883816 DOI: 10.7224/1537-2073.2021-066] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2023]
Abstract
BACKGROUND People living with multiple sclerosis (MS) face challenges coping with chronic illnesses, and transgender (TGD) persons living with MS may experience additional unique challenges and barriers to care. Medical biases toward TGD people are widely reported, and best practices in TGD MS care have not been identified. METHODS A case report of a TGD person living with MS is reviewed that helped to identify and inform us regarding the unique aspects of their clinical and psychological care needs. We conducted a systematic review of the literature according to the standard methods in PubMed. The literature was reviewed and summarized for relevant topics related to the unique care needs of TGD persons living with MS, and proposed care recommendations were created. RESULTS We used the aforementioned case to identify and inform the special care needs and subsequently describe proposed recommendations to achieve inclusive comprehensive care of TGD persons with MS. The importance of providing an inclusive environment, comprehensive care, mental health screening, domestic violence screening, and case coordination are highlighted with the goal of providing best practice recommendations for the comprehensive inclusive care of TGD persons living with MS. CONCLUSIONS The lack of published guidance on the care of TGD persons living with MS and our informative case have led to the proposed recommendations for the care of TGD persons living with MS.
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Affiliation(s)
- Amy Sullivan
- From the Department of Psychiatry and Psychology (AS, AK), Mellen Center for Multiple Sclerosis Treatment and Research, Cleveland Clinic, Cleveland, OH, USA
| | - Alexa Kane
- From the Department of Psychiatry and Psychology (AS, AK), Mellen Center for Multiple Sclerosis Treatment and Research, Cleveland Clinic, Cleveland, OH, USA
| | - Gianna Valentic
- Department of Psychology, Miami University, Oxford, OH, USA (GV)
| | - Mary Rensel
- Department of Neurology (MR), Mellen Center for Multiple Sclerosis Treatment and Research, Cleveland Clinic, Cleveland, OH, USA
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4
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p-Hydroxybenzoic acid alleviates inflammatory responses and intestinal mucosal damage in DSS-induced colitis by activating ERβ signaling. J Funct Foods 2021. [DOI: 10.1016/j.jff.2021.104835] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
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5
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Psenicka MW, Smith BC, Tinkey RA, Williams JL. Connecting Neuroinflammation and Neurodegeneration in Multiple Sclerosis: Are Oligodendrocyte Precursor Cells a Nexus of Disease? Front Cell Neurosci 2021; 15:654284. [PMID: 34234647 PMCID: PMC8255483 DOI: 10.3389/fncel.2021.654284] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Accepted: 05/20/2021] [Indexed: 12/14/2022] Open
Abstract
The pathology in neurodegenerative diseases is often accompanied by inflammation. It is well-known that many cells within the central nervous system (CNS) also contribute to ongoing neuroinflammation, which can promote neurodegeneration. Multiple sclerosis (MS) is both an inflammatory and neurodegenerative disease in which there is a complex interplay between resident CNS cells to mediate myelin and axonal damage, and this communication network can vary depending on the subtype and chronicity of disease. Oligodendrocytes, the myelinating cell of the CNS, and their precursors, oligodendrocyte precursor cells (OPCs), are often thought of as the targets of autoimmune pathology during MS and in several animal models of MS; however, there is emerging evidence that OPCs actively contribute to inflammation that directly and indirectly contributes to neurodegeneration. Here we discuss several contributors to MS disease progression starting with lesion pathology and murine models amenable to studying particular aspects of disease. We then review how OPCs themselves can play an active role in promoting neuroinflammation and neurodegeneration, and how other resident CNS cells including microglia, astrocytes, and neurons can impact OPC function. Further, we outline the very complex and pleiotropic role(s) of several inflammatory cytokines and other secreted factors classically described as solely deleterious during MS and its animal models, but in fact, have many neuroprotective functions and promote a return to homeostasis, in part via modulation of OPC function. Finally, since MS affects patients from the onset of disease throughout their lifespan, we discuss the impact of aging on OPC function and CNS recovery. It is becoming clear that OPCs are not simply a bystander during MS progression and uncovering the active roles they play during different stages of disease will help uncover potential new avenues for therapeutic intervention.
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Affiliation(s)
- Morgan W. Psenicka
- Department of Neurosciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, United States
| | - Brandon C. Smith
- Department of Neurosciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, United States
- Department of Biological, Geological, and Environmental Sciences, Cleveland State University, Cleveland, OH, United States
| | - Rachel A. Tinkey
- Department of Neurosciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, United States
- School of Biomedical Sciences, Kent State University, Kent, OH, United States
| | - Jessica L. Williams
- Department of Neurosciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, United States
- Brain Health Research Institute, Kent State University, Kent, OH, United States
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6
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Sekyi MT, Lauderdale K, Atkinson KC, Golestany B, Karim H, Feri M, Soto JS, Diaz C, Kim SH, Cilluffo M, Nusinowitz S, Katzenellenbogen JA, Tiwari‐Woodruff SK. Alleviation of extensive visual pathway dysfunction by a remyelinating drug in a chronic mouse model of multiple sclerosis. Brain Pathol 2021; 31:312-332. [PMID: 33368801 PMCID: PMC8018057 DOI: 10.1111/bpa.12930] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 12/09/2020] [Accepted: 12/11/2020] [Indexed: 11/30/2022] Open
Abstract
Visual deficits are among the most prevalent symptoms in patients with multiple sclerosis (MS). To understand deficits in the visual pathway during MS and potential treatment effects, we used experimental autoimmune encephalomyelitis (EAE), the most commonly used animal model of MS. The afferent visual pathway was assessed in vivo using optical coherence tomography (OCT), electroretinography (ERG), and visually evoked cortical potentials (VEPs). Inflammation, demyelination, and neurodegeneration were examined by immunohistochemistry ex vivo. In addition, an immunomodulatory, remyelinating agent, the estrogen receptor β ligand chloroindazole (IndCl), was tested for its therapeutic potential in the visual pathway. EAE produced functional deficits in visual system electrophysiology, including suppression of ERG and VEP waveform amplitudes and increased signal latencies. Therapeutic IndCl rescued overall visual system latency by VEP but had little impact on amplitude or ERG findings relative to vehicle. Faster VEP conduction in IndCl-treated mice was associated with enhanced myelin basic protein signal in all visual system structures examined. IndCl preserved retinal ganglion cells (RGCs) and oligodendrocyte density in the prechiasmatic white matter, but similar retinal nerve fiber layer thinning by OCT was noted in vehicle and IndCl-treated mice. Although IndCl differentially attenuated leukocyte and astrocyte staining signal throughout the structures analyzed, axolemmal varicosities were observed in all visual fiber tracts of mice with EAE irrespective of treatment, suggesting impaired axonal energy homeostasis. These data support incomplete functional recovery of VEP amplitude with IndCl, as fiber tracts displayed persistent axon pathology despite remyelination-induced decreases in latencies, evidenced by reduced optic nerve g-ratio in IndCl-treated mice. Although additional studies are required, these findings demonstrate the dynamics of visual pathway dysfunction and disability during EAE, along with the importance of early treatment to mitigate EAE-induced axon damage.
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Affiliation(s)
- Maria T. Sekyi
- Division of Biomedical SciencesRiverside School of MedicineUniversity of CaliforniaRiversideCAUSA
- Department of BioengineeringRiverside Bourns School of EngineeringUniversity of CaliforniaRiversideCAUSA
| | - Kelli Lauderdale
- Division of Biomedical SciencesRiverside School of MedicineUniversity of CaliforniaRiversideCAUSA
| | - Kelley C. Atkinson
- Division of Biomedical SciencesRiverside School of MedicineUniversity of CaliforniaRiversideCAUSA
| | - Batis Golestany
- Division of Biomedical SciencesRiverside School of MedicineUniversity of CaliforniaRiversideCAUSA
| | - Hawra Karim
- Division of Biomedical SciencesRiverside School of MedicineUniversity of CaliforniaRiversideCAUSA
| | - Micah Feri
- Division of Biomedical SciencesRiverside School of MedicineUniversity of CaliforniaRiversideCAUSA
| | - Joselyn S. Soto
- Division of Biomedical SciencesRiverside School of MedicineUniversity of CaliforniaRiversideCAUSA
| | - Cobi Diaz
- Division of Biomedical SciencesRiverside School of MedicineUniversity of CaliforniaRiversideCAUSA
| | - Sung Hoon Kim
- Department of Chemistry and Cancer CenterUniversity of Illinois at Urbana‐ChampaignUrbanaILUSA
| | - Marianne Cilluffo
- BRI Electron Microscopy LaboratoryLos Angeles School of MedicineUniversity of CaliforniaLos AngelesCAUSA
| | - Steven Nusinowitz
- Stein Eye InstituteLos Angeles School of MedicineUniversity of CaliforniaLos AngelesCAUSA
| | | | - Seema K. Tiwari‐Woodruff
- Division of Biomedical SciencesRiverside School of MedicineUniversity of CaliforniaRiversideCAUSA
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7
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Laouarem Y, Kassoussi A, Zahaf A, Hutteau-Hamel T, Mellouk A, Bobé P, Mattern C, Schumacher M, Traiffort E. Functional cooperation of the hedgehog and androgen signaling pathways during developmental and repairing myelination. Glia 2021; 69:1369-1392. [PMID: 33484204 DOI: 10.1002/glia.23967] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 01/06/2021] [Accepted: 01/08/2021] [Indexed: 12/21/2022]
Abstract
Hedgehog morphogens control fundamental cellular processes during tissue development and regeneration. In the central nervous system (CNS), Hedgehog signaling has been implicated in oligodendrocyte and myelin production, where it functions in a concerted manner with other pathways. Since androgen receptor (AR) plays a key role in establishing the sexual phenotype of myelin during development and is required for spontaneous myelin regeneration in the adult CNS, we hypothesized the existence of a possible coordination between Hedgehog and androgen signals in oligodendrocyte and myelin production. Here, we report complementary activities of both pathways during early postnatal oligodendrogenesis further revealing that persistent Hedgehog signaling activation impedes myelin production. The data also uncover prominent pro-myelinating activity of testosterone and involvement of AR in the control of neural stem cell commitment toward the oligodendroglial lineage. In the context of CNS demyelination, we provide evidence for the functional cooperation of the pathways leading to acceleration of myelin regeneration that might be related to their respective role on microglial and astroglial responses, higher preservation of axonal integrity, lower neuroinflammation, and functional improvement of animals in an immune model of CNS demyelination. Strong decreases of deleterious cytokines in the CNS (GM-CSF, TNF-α, IL-17A) and spleen (IL-2, IFN-γ) stand as unique features of the combined drugs while the potent therapeutic activity of testosterone on peripheral immune cells contributes to increase tolerogenic CD11c+ dendritic cells, reduce the clonal expansion of conventional CD4+ T cells and increase CD4+ Foxp3+ regulatory T cells. Altogether, these data might open promising perspectives for demyelinating diseases.
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Affiliation(s)
- Yousra Laouarem
- U1195 Inserm, University Paris-Saclay, Kremlin-Bicêtre, France
| | | | - Amina Zahaf
- U1195 Inserm, University Paris-Saclay, Kremlin-Bicêtre, France
| | | | - Amine Mellouk
- UMR996 Inserm, University Paris-Saclay, Clamart, France
| | - Pierre Bobé
- UMR996 Inserm, University Paris-Saclay, Clamart, France
| | - Claudia Mattern
- M et P Pharma AG, Emmetten, Switzerland.,Oceanographic Center, Nova Southeastern University, Fort Lauderdal, Florida, USA
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8
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Yan S, Dey P, Ziegler Y, Jiao X, Kim SH, Katzenellenbogen JA, Katzenellenbogen BS. Contrasting activities of estrogen receptor beta isoforms in triple negative breast cancer. Breast Cancer Res Treat 2020; 185:281-292. [PMID: 33001337 PMCID: PMC7867590 DOI: 10.1007/s10549-020-05948-0] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 09/23/2020] [Indexed: 02/06/2023]
Abstract
PURPOSE Triple negative breast cancer (TNBC), an aggressive subtype of breast cancer, lacks the three major receptors for predicting outcome or targeting therapy. Hence, our aim was to evaluate the potential of estrogen receptor beta (ERβ) as a possible endocrine therapy target in TNBC. METHODS The expression and prognostic effect of ERβ isoforms were analyzed using TCGA breast tumor data, and the expression of ERβ isoform mRNA and protein in TNBC cell lines was assayed. Endogenous ERβ2 and ERβ5 were knocked down with siRNA, and ERβ2, ERβ5, and ERβ1 were upregulated using a doxycycline-inducible lentiviral system. Cell proliferation, migration and invasion, and specific gene expressions were evaluated. RESULTS ERβ2 and ERβ5 were the predominant endogenous forms of ERβ in TNBC tumors and cell lines. High ERβ2 predicted worse clinical outcome. Knockdown of endogenous ERβ2/ERβ5 in cell lines suppressed proliferation, migration and invasion, and downregulated proto-oncogene survivin expression. ERβ2/ERβ5 upregulation did the reverse, increasing survivin and these cell activities. ERβ1 was barely detectable in TNBC cell lines, but its upregulation reduced survivin, increased tumor suppressor expression (E-cadherin and cystatins), and suppressed proliferation, migration and invasion in both ligand-independent and dependent manners, suggesting the possible translational benefit of ERβ ligands. CONCLUSIONS ERβ2/ERβ5 and ERβ1 exhibit sharply contrasting activities in TNBC cells. Our findings imply that delineating the absolute amounts and relative ratios of the different ERβ isoforms might have prognostic and therapeutic relevance, and could enable better selection of optimal approaches for treatment of this often aggressive form of breast cancer.
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Affiliation(s)
- Shunchao Yan
- Department of Oncology, Shengjing Hospital of China Medical University, Shenyang, 110004, China.,Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA.,Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
| | - Parama Dey
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
| | - Yvonne Ziegler
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
| | - Xin Jiao
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA.,Department of Respiration, Shenyang Chest Hospital, Liaoning Province, Shenyang, 110044, China
| | - Sung Hoon Kim
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
| | - John A Katzenellenbogen
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA.,Cancer Center, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
| | - Benita S Katzenellenbogen
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA. .,Cancer Center, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA.
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9
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Karageorgiou V, Lambrinoudaki I, Goulis DG. Menopause in women with multiple sclerosis: A systematic review. Maturitas 2020; 135:68-73. [PMID: 32252967 DOI: 10.1016/j.maturitas.2020.03.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2019] [Revised: 03/02/2020] [Accepted: 03/06/2020] [Indexed: 01/26/2023]
Abstract
AIM Sex hormones have been suggested to have neuroprotective effects in the natural history of multiple sclerosis (MS), particularly in animal studies. The aim of the present review was to retrieve and systematically synthesize the evidence on the effect of menopause and hormonal replacement treatment (HRT) on the course of MS. METHODS A systematic literature search was conducted in the databases MEDLINE (accessed through PubMed), Scopus, clinicaltrials.gov and Cochrane Controlled Register of Trials (CENTRAL). Eligible studies were all those that included women with MS and reported on at least one of the following: a) disability and MS relapse rate before and after menopause, b) serum sex hormone concentrations, c) sexual function, d) age at menopause onset. Effects of HRT on MS clinical outcomes were also assessed. RESULTS Of the 4,102 retrieved studies, 28 were included in the systematic review. Of these, one reported the age at menopause for both controls and women with MS and found no difference between the two groups. There was no difference in the rates of relapse before and after menopause (risk ratio 1.21, 95 % confidence interval 0.91-1.61, p = 0.218). Two intervention studies reported beneficial effects of estrogen therapy on women with MS; however, the majority of women were premenopausal. Three studies addressed the issue of sexual dysfunction in women with MS, but information on hormonal parameters was limited. CONCLUSIONS The age at menopause is not associated with the presence of MS. The evidence on a potential causal effect of estrogen depletion on disability is inconclusive; still, relapse rate seems not be associated with menopause. The effect of HRT on the natural course of the disease remains to be defined.
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Affiliation(s)
- Vasilios Karageorgiou
- 2nd Department of Psychiatry, Medical School, National and Kapodistrian University of Athens, Athens, Greece.
| | - Irene Lambrinoudaki
- 2nd Department of Obstetrics and Gynecology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Dimitrios G Goulis
- Unit of Reproductive Endocrinology, 1st Department of Obstetrics and Gynecology, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece
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10
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Skinner DD, Lane TE. CXCR2 Signaling and Remyelination in Preclinical Models of Demyelination. DNA Cell Biol 2020; 39:3-7. [PMID: 31851535 PMCID: PMC6978782 DOI: 10.1089/dna.2019.5182] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Accepted: 10/25/2019] [Indexed: 12/26/2022] Open
Abstract
The chemokine receptor CXCR2 is a receptor for CXC chemokines, including CXCL1 and CXCL2. CXCR2 is expressed by resident cells of the central nervous system, including neurons, microglia, oligodendrocyte progenitor cells (OPCs), and oligodendrocytes. CXCR2 signaling is important in regulating OPC biology with regard to positional migration and myelination during development. More recently, studies have argued that CXCR2 is involved in controlling events related to remyelination after experimentally induced demyelination. This review examines the concept that targeting CXCR2 may offer a novel therapeutic target for promoting remyelination.
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Affiliation(s)
- Dominic D. Skinner
- Division of Microbiology and Immunology, Department of Pathology, University of Utah School of Medicine, Salt Lake City, Utah
| | - Thomas E. Lane
- Division of Microbiology and Immunology, Department of Pathology, University of Utah School of Medicine, Salt Lake City, Utah
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11
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Azcoitia I, Barreto GE, Garcia-Segura LM. Molecular mechanisms and cellular events involved in the neuroprotective actions of estradiol. Analysis of sex differences. Front Neuroendocrinol 2019; 55:100787. [PMID: 31513774 DOI: 10.1016/j.yfrne.2019.100787] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Revised: 08/27/2019] [Accepted: 09/07/2019] [Indexed: 12/12/2022]
Abstract
Estradiol, either from peripheral or central origin, activates multiple molecular neuroprotective and neuroreparative responses that, being mediated by estrogen receptors or by estrogen receptor independent mechanisms, are initiated at the membrane, the cytoplasm or the cell nucleus of neural cells. Estrogen-dependent signaling regulates a variety of cellular events, such as intracellular Ca2+ levels, mitochondrial respiratory capacity, ATP production, mitochondrial membrane potential, autophagy and apoptosis. In turn, these molecular and cellular actions of estradiol are integrated by neurons and non-neuronal cells to generate different tissue protective responses, decreasing blood-brain barrier permeability, oxidative stress, neuroinflammation and excitotoxicity and promoting synaptic plasticity, axonal growth, neurogenesis, remyelination and neuroregeneration. Recent findings indicate that the neuroprotective and neuroreparative actions of estradiol are different in males and females and further research is necessary to fully elucidate the causes for this sex difference.
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Affiliation(s)
- Iñigo Azcoitia
- Department of Cell Biology, Faculty of Biology, Universidad Complutense de Madrid, 28040 Madrid, Spain; Centro de Investigación Biomédica en Red Fragilidad y Envejecimiento Saludables (CIBERFES), Instituto de Salud Carlos III, Avenida Monforte de Lemos, 3-5, 28029 Madrid, Spain.
| | - George E Barreto
- Department of Biological Sciences, School of Natural Sciences, University of Limerick, Limerick, Ireland.
| | - Luis M Garcia-Segura
- Centro de Investigación Biomédica en Red Fragilidad y Envejecimiento Saludables (CIBERFES), Instituto de Salud Carlos III, Avenida Monforte de Lemos, 3-5, 28029 Madrid, Spain; Instituto Cajal, CSIC, Avenida Doctor Arce 37, 28002 Madrid, Spain.
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12
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Atkinson KC, Lee JB, Hasselmann JPC, Kim SH, Drew A, Soto J, Katzenellenbogen JA, Harris NG, Obenaus A, Tiwari-Woodruff SK. Diffusion tensor imaging identifies aspects of therapeutic estrogen receptor β ligand-induced remyelination in a mouse model of multiple sclerosis. Neurobiol Dis 2019; 130:104501. [PMID: 31226301 DOI: 10.1016/j.nbd.2019.104501] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2019] [Revised: 04/25/2019] [Accepted: 06/10/2019] [Indexed: 12/31/2022] Open
Abstract
Diffusion tensor imaging (DTI) has been shown to detect white matter degeneration in multiple sclerosis (MS), a neurodegenerative autoimmune disease that presents with diffuse demyelination of the central nervous system. However, the utility of DTI in evaluating therapeutic remyelination has not yet been well-established. Here, we assessed the ability of DTI to distinguish between remyelination and neuroprotection following estrogen receptor β ligand (Indazole chloride, IndCl) treatment, which has been previously shown to stimulate functional remyelination, in the cuprizone (CPZ) diet mouse model of MS. Adult C57BL/6 J male and female mice received a normal diet (control), demyelination-inducing CPZ diet (9wkDM), or CPZ diet followed by two weeks of a normal diet (i.e., remyelination period) with either IndCl (RM + IndCl) or vehicle (RM + Veh) injections. We evaluated tissue microstructure of the corpus callosum utilizing in vivo and ex vivo DTI and immunohistochemistry (IHC) for validation. Compared to control mice, the 9wkDM group showed decreased fractional anisotropy (FA), increased radial diffusivity (RD), and no changes in axial diffusivity (AD) both in vivo and ex vivo. Meanwhile, RM + IndCl groups showed increased FA and decreased RD ex vivo compared to the RM + Veh group, in accordance with the evidence of remyelination by IHC. In conclusion, the DTI technology used in the present study can identify some changes in myelination and is a valuable translational tool for evaluating MS pathophysiology and therapeutic efficacy.
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Affiliation(s)
- Kelley C Atkinson
- Division of Biomedical Sciences, School of Medicine at UCR, Riverside, CA, USA
| | - Jeong Bin Lee
- Division of Physiology, School of Medicine at Loma Linda University, Loma Linda, CA, USA
| | | | - Sung Hoon Kim
- Department of Chemistry, University of Illinois at Urbana-Champaign, IL, USA
| | - Alyson Drew
- Division of Physiology, School of Medicine at Loma Linda University, Loma Linda, CA, USA
| | - Joselyn Soto
- Division of Biomedical Sciences, School of Medicine at UCR, Riverside, CA, USA
| | | | - Neil G Harris
- Department of Neurosurgery, School of Medicine at UCLA, Los Angeles, CA, USA
| | - Andre Obenaus
- Division of Physiology, School of Medicine at Loma Linda University, Loma Linda, CA, USA; Department of Pediatrics, School of Medicine at UCI, Irvine, CA, USA
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