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Ye Z, Liu Y, Jin X, Wu Y, Zhao H, Gao T, Deng Q, Cheng J, Lin J, Tong Z. Aβ-binding with alcohol dehydrogenase drives Alzheimer's disease pathogenesis: A review. Int J Biol Macromol 2024; 264:130580. [PMID: 38432266 DOI: 10.1016/j.ijbiomac.2024.130580] [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: 12/28/2023] [Revised: 02/17/2024] [Accepted: 02/29/2024] [Indexed: 03/05/2024]
Abstract
Although Alzheimer's disease (AD) characterized with senile plaques and neurofibrillary tangles has been found for over 100 years, its molecular mechanisms are ambiguous. More worsely, the developed medicines targeting amyloid-beta (Aβ) and/or tau hyperphosphorylation did not approach the clinical expectations in patients with moderate or severe AD until now. This review unveils the role of a vicious cycle between Aβ-derived formaldehyde (FA) and FA-induced Aβ aggregation in the onset course of AD. Document evidence has shown that Aβ can bind with alcohol dehydrogenase (ADH) to form the complex of Aβ/ADH (ABAD) and result in the generation of reactive oxygen species (ROS) and aldehydes including malondialdehyde, hydroxynonenal and FA; in turn, ROS-derived H2O2 and FA promotes Aβ self-aggregation; subsequently, this vicious cycle accelerates neuron death and AD occurrence. Especially, FA can directly induce neuron death by stimulating ROS generation and tau hyper hyperphosphorylation, and impair memory by inhibiting NMDA-receptor. Recently, some new therapeutical methods including inhibition of ABAD activity by small molecules/synthetic polypeptides, degradation of FA by phototherapy or FA scavengers, have been developed and achieved positive effects in AD transgenic models. Thus, breaking the vicious loop may be promising interventions for halting AD progression.
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Affiliation(s)
- Zuting Ye
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Institute of Aging, Key Laboratory of Alzheimer's Disease of Zhejiang Province, Zhejiang Provincial Clinical Research Center for Mental Disorders, The Affiliated Wenzhou Kangning Hospital, School of Mental Health, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Yanming Liu
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Institute of Aging, Key Laboratory of Alzheimer's Disease of Zhejiang Province, Zhejiang Provincial Clinical Research Center for Mental Disorders, The Affiliated Wenzhou Kangning Hospital, School of Mental Health, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Xingjiang Jin
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Institute of Aging, Key Laboratory of Alzheimer's Disease of Zhejiang Province, Zhejiang Provincial Clinical Research Center for Mental Disorders, The Affiliated Wenzhou Kangning Hospital, School of Mental Health, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Yiqing Wu
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Institute of Aging, Key Laboratory of Alzheimer's Disease of Zhejiang Province, Zhejiang Provincial Clinical Research Center for Mental Disorders, The Affiliated Wenzhou Kangning Hospital, School of Mental Health, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Hang Zhao
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Institute of Aging, Key Laboratory of Alzheimer's Disease of Zhejiang Province, Zhejiang Provincial Clinical Research Center for Mental Disorders, The Affiliated Wenzhou Kangning Hospital, School of Mental Health, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Tingting Gao
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Institute of Aging, Key Laboratory of Alzheimer's Disease of Zhejiang Province, Zhejiang Provincial Clinical Research Center for Mental Disorders, The Affiliated Wenzhou Kangning Hospital, School of Mental Health, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Qiangfeng Deng
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Institute of Aging, Key Laboratory of Alzheimer's Disease of Zhejiang Province, Zhejiang Provincial Clinical Research Center for Mental Disorders, The Affiliated Wenzhou Kangning Hospital, School of Mental Health, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Jianhua Cheng
- Department of neurology, the first affiliated hospital of Wenzhou medical University, Wenzhou 325035. China
| | - Jing Lin
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Institute of Aging, Key Laboratory of Alzheimer's Disease of Zhejiang Province, Zhejiang Provincial Clinical Research Center for Mental Disorders, The Affiliated Wenzhou Kangning Hospital, School of Mental Health, Wenzhou Medical University, Wenzhou, Zhejiang, China.
| | - Zhiqian Tong
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Institute of Aging, Key Laboratory of Alzheimer's Disease of Zhejiang Province, Zhejiang Provincial Clinical Research Center for Mental Disorders, The Affiliated Wenzhou Kangning Hospital, School of Mental Health, Wenzhou Medical University, Wenzhou, Zhejiang, China.
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2
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Zhang L, Zhou M, Gao X, Xie Y, Xiao J, Liu T, Zeng X. Estrogen-related genes for thyroid cancer prognosis, immune infiltration, staging, and drug sensitivity. BMC Cancer 2023; 23:1048. [PMID: 37907864 PMCID: PMC10619281 DOI: 10.1186/s12885-023-11556-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Accepted: 10/22/2023] [Indexed: 11/02/2023] Open
Abstract
BACKGROUND Thyroid cancer (THCA) has become increasingly common in recent decades, and women are three to four times more likely to develop it than men. Evidence shows that estrogen has a significant impact on THCA proliferation and growth. Nevertheless, the effects of estrogen-related genes (ERGs) on THCA stages, immunological infiltration, and treatment susceptibility have not been well explored. METHODS Clinicopathological and transcriptome data of patients with THCA from the Gene Expression Omnibus (GEO) and The Cancer Genome Atlas (TCGA) were cleaned before consensus clustering. Differential expression analysis was performed on the genes expressed between THCA and paraneoplastic tissues in TCGA, and Wayne analysis was performed on the ERGs obtained from the Gene Set Enrichment Analysis MsigDB and differentially expressed genes (DEGs). Univariate Cox and least absolute shrinkage and selection operator (LASSO) analyses were used to identify the set of estrogen-related differentially expressed genes (ERDEGs) associated with progression-free intervals (PFI) and to establish a prediction model. Receiver operating characteristic curves were plotted to calculate the risk scores and PFI status to validate the predictive effect of the model. Enrichment analyses and immune infiltration analyses were performed to analyze DEGs between the high- and low-risk groups, and a nomogram plot was used in the risk model to predict the PFI of THCA. RESULTS The expression of 120 ERDEGs differed significantly between the two groups (P < 0.05). Five (CD24, CAV1, TACC1, TIPARP, and HSD17B10) of the eight ERDEGs identified using univariate Cox and LASSO regression were validated via RT-qPCR and immunohistochemistry analysis of clinical tissue samples and were used for clinical staging and drug sensitivity analysis. Risk-DEGs were shown to be associated with immune modulation and tumor immune evasion, as well as defense systems, signal transduction, the tumor microenvironment, and immunoregulation. In 19 of the 28 immune cells, infiltration levels differed between the high- and low-risk groups. High-risk patients in the immunotherapy dataset had considerably shorter survival times than low-risk patients. CONCLUSION We identified and confirmed eight ERDEGs using a systematic analysis and screened sensitive drugs for ERDEGs. These results provide molecular evidence for the involvement of ERGs in controlling the immunological microenvironment and treatment response in THCA.
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Affiliation(s)
- Leiying Zhang
- Suzhou Medical College of Soochow University, Suzhou, China
- The First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Man Zhou
- College of Pharmacy, Gannan Medical University, Ganzhou, China
| | - Xiaoni Gao
- The First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Yang Xie
- The First Affiliated Hospital of Gannan Medical University, Ganzhou, China
- Institute of Thyroid Diseases, Gannan Medical University, Ganzhou, China
- Ganzhou Key Laboratory of Thyroid Tumor, Ganzhou, China
| | - Junqi Xiao
- The First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Tao Liu
- The First Affiliated Hospital of Gannan Medical University, Ganzhou, China
- Beijing Business University, Beijing, China
| | - Xiangtai Zeng
- Suzhou Medical College of Soochow University, Suzhou, China.
- The First Affiliated Hospital of Gannan Medical University, Ganzhou, China.
- Institute of Thyroid Diseases, Gannan Medical University, Ganzhou, China.
- Ganzhou Key Laboratory of Thyroid Tumor, Ganzhou, China.
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Schmidt M, Vaskova M, Rotterova A, Fiandova P, Miskerikova M, Zemanova L, Benek O, Musilek K. Physiologically relevant fluorescent assay for identification of 17β-hydroxysteroid dehydrogenase type 10 inhibitors. J Neurochem 2023; 167:154-167. [PMID: 37458164 DOI: 10.1111/jnc.15917] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 06/29/2023] [Accepted: 07/03/2023] [Indexed: 07/18/2023]
Abstract
Mitochondrial enzyme 17β-hydroxysteroid dehydrogenase type 10 (HSD10) is a potential molecular target for treatment of mitochondrial-related disorders such as Alzheimer's disease (AD). Its over-expression in AD brains is one of the critical factors disturbing the homeostasis of neuroprotective steroids and exacerbating amyloid beta (Aβ)-mediated mitochondrial toxicity and neuronal stress. This study was focused on revalidation of the most potent HSD10 inhibitors derived from benzothiazolyl urea scaffold using fluorescent-based enzymatic assay with physiologically relevant substrates of 17β-oestradiol and allopregnanolone. The oestradiol-based assay led to the identification of two nanomolar inhibitors (IC50 70 and 346 nM) differing from HSD10 hits revealed from the formerly used assay. Both identified inhibitors were found to be effective also in allopregnanolone-based assay with non-competitive or uncompetitive mode of action. In addition, both inhibitors were confirmed to penetrate the HEK293 cells and they were able to inhibit the HSD10 enzyme in the cellular environment. Both molecules seem to be potential lead structures for further research and development of HDS10 inhibitors.
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Affiliation(s)
- Monika Schmidt
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, Hradec Kralove, Czech Republic
| | - Michaela Vaskova
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, Hradec Kralove, Czech Republic
| | - Aneta Rotterova
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, Hradec Kralove, Czech Republic
| | - Pavlina Fiandova
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, Hradec Kralove, Czech Republic
| | - Marketa Miskerikova
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, Hradec Kralove, Czech Republic
| | - Lucie Zemanova
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, Hradec Kralove, Czech Republic
| | - Ondrej Benek
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, Hradec Kralove, Czech Republic
| | - Kamil Musilek
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, Hradec Kralove, Czech Republic
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Xu X, Wang H, Bennett DA, Zhang QY, Wang G, Zhang HY. Systems Genetic Identification of Mitochondrion-Associated Alzheimer's Disease Genes and Implications for Disease Risk Prediction. Biomedicines 2022; 10:1782. [PMID: 35892682 PMCID: PMC9330299 DOI: 10.3390/biomedicines10081782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2022] [Revised: 07/21/2022] [Accepted: 07/22/2022] [Indexed: 11/28/2022] Open
Abstract
Cumulative evidence has revealed the association between mitochondrial dysfunction and Alzheimer’s disease (AD). Because the number of mitochondrial genes is very limited, the mitochondrial pathogenesis of AD must involve certain nuclear genes. In this study, we employed systems genetic methods to identify mitochondrion-associated nuclear genes that may participate in the pathogenesis of AD. First, we performed a mitochondrial genome-wide association study (MiWAS, n = 809) to identify mitochondrial single-nucleotide polymorphisms (MT-SNPs) associated with AD. Then, epistasis analysis was performed to examine interacting SNPs between the mitochondrial and nuclear genomes. Weighted co-expression network analysis (WGCNA) was applied to transcriptomic data from the same sample (n = 743) to identify AD-related gene modules, which were further enriched by mitochondrion-associated genes. Using hub genes derived from these modules, random forest models were constructed to predict AD risk in four independent datasets (n = 743, n = 542, n = 161, and n = 540). In total, 9 potentially significant MT-SNPs and 14,340 nominally significant MT-nuclear interactive SNPs were identified for AD, which were validated by functional analysis. A total of 6 mitochondrion-related modules involved in AD pathogenesis were found by WGCNA, from which 91 hub genes were screened and used to build AD risk prediction models. For the four independent datasets, these models perform better than those derived from AD genes identified by genome-wide association studies (GWASs) or differential expression analysis (DeLong’s test, p < 0.05). Overall, through systems genetics analyses, mitochondrion-associated SNPs/genes with potential roles in AD pathogenesis were identified and preliminarily validated, illustrating the power of mitochondrial genetics in AD pathogenesis elucidation and risk prediction.
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Affiliation(s)
- Xuan Xu
- Hubei Key Laboratory of Agricultural Bioinformaics, College of Informatics, Huazhong Agricultural University, Wuhan 430070, China; (X.X.); (Q.-Y.Z.)
| | - Hui Wang
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA;
- Penn Neurodegeneration Genomics Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - David A. Bennett
- Rush Alzheimer’s Disease Center, Rush University Medical Center, Chicago, IL 60612, USA;
- Department of Neurological Sciences, Rush University Medical Center, Chicago, IL 60612, USA
| | - Qing-Ye Zhang
- Hubei Key Laboratory of Agricultural Bioinformaics, College of Informatics, Huazhong Agricultural University, Wuhan 430070, China; (X.X.); (Q.-Y.Z.)
| | - Gang Wang
- Hubei Key Laboratory of Central Nervous System Tumor and Intervention, Wuhan 430070, China;
| | - Hong-Yu Zhang
- Hubei Key Laboratory of Agricultural Bioinformaics, College of Informatics, Huazhong Agricultural University, Wuhan 430070, China; (X.X.); (Q.-Y.Z.)
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5
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Morsy A, Maddeboina K, Gao J, Wang H, Valdez J, Dow LF, Wang X, Trippier PC. Functionalized Allopurinols Targeting Amyloid-Binding Alcohol Dehydrogenase Rescue Aβ-Induced Mitochondrial Dysfunction. ACS Chem Neurosci 2022; 13:2176-2190. [PMID: 35802826 DOI: 10.1021/acschemneuro.2c00246] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Alzheimer's disease (AD) is the most common dementia affecting one in nine people over 65. Only a handful of small-molecule drugs and the anti-β amyloid (Aβ) antibody aducanumab are approved to treat AD. However, they only serve to reduce symptoms of advanced disease. Novel treatments administered early in disease progression before the accumulation of Aβ and tau reaches the threshold where neuroinflammation is triggered and irreversible neuronal damage occurs are more likely to provide effective therapy. There is a growing body of evidence implying that mitochondrial dysfunction occurs at an early stage of AD pathology. The mitochondrial enzyme amyloid-binding alcohol dehydrogenase (ABAD) binds to Aβ potentiating toxicity. Moreover, ABAD has been shown to be overexpressed in the same areas of the brain most affected by AD. Inhibiting the Aβ-ABAD protein-protein interaction without adversely affecting normal enzyme turnover is hypothesized to be a potential treatment strategy for AD. Herein, we conduct structure-activity relationship studies across a series of functionalized allopurinol derivatives to determine their ability to inhibit Aβ-mediated reduction of estradiol production from ABAD. The lead compound resulting from these studies possesses potent activity with no toxicity up to 100 μM, and demonstrates an ability to rescue defective mitochondrial metabolism in human SH-SY5Y cells and rescue both defective mitochondrial metabolism and morphology ex vivo in primary 5XFAD AD mouse model neurons.
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Affiliation(s)
- Ahmed Morsy
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Nebraska Medical Center, Omaha, Nebraska 68198, United States
| | - Krishnaiah Maddeboina
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Nebraska Medical Center, Omaha, Nebraska 68198, United States
| | - Ju Gao
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, Nebraska 68198, United States
| | - Hezhen Wang
- Department of Pharmaceutical Sciences, Jerry H. Hodge School of Pharmacy, Texas Tech University Health Sciences Center, Amarillo, Texas79106, United States
| | - Juan Valdez
- Department of Pharmaceutical Sciences, Jerry H. Hodge School of Pharmacy, Texas Tech University Health Sciences Center, Amarillo, Texas79106, United States
| | - Louise F Dow
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Nebraska Medical Center, Omaha, Nebraska 68198, United States
| | - Xinglong Wang
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, Nebraska 68198, United States
| | - Paul C Trippier
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Nebraska Medical Center, Omaha, Nebraska 68198, United States.,Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, Nebraska 68198, United States.,UNMC Center for Drug Discovery, University of Nebraska Medical Center, Omaha, Nebraska 68198, United States
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Chadha S, Behl T, Sehgal A, Kumar A, Bungau S. Exploring the role of mitochondrial proteins as molecular target in Alzheimer's disease. Mitochondrion 2020; 56:62-72. [PMID: 33221353 DOI: 10.1016/j.mito.2020.11.008] [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: 09/29/2020] [Revised: 11/10/2020] [Accepted: 11/11/2020] [Indexed: 02/06/2023]
Abstract
Brain is a fully differentiated organ and is sensitive towards oxidative damage of various compounds including lipids, proteins, and DNA that occurs during process of normal aging and is mainly due to its high energy metabolism and reduced activity of anti-oxidative defense mechanism. Mitochondria are dynamic ATP-generating organelles which constitutes cellular functions such as regulation of intracellular calcium, bio-energetic processes, and reduction-oxidation of cells. Such functioning is negatively affected due to the presence of amyloid β peptide (Aβ) which is involved in pathogenesis of Alzheimer disease (AD). Aβ interacts with mitochondria and leads to mitochondrial dysfunction. Mitochondrial dysfunction, abnormal interactions, oxidative stress, and mis-folding of synaptic proteins inside nervous system are explored and regarded as primary or initial features in insurgence of pathology (AD and other neurological disease). The major histopathological hallmarks of AD are characterized by presence of these hallmarks intracellularly, its further progression and exacerbation which leads to excessive accumulation of oligomeric as well as fibrillar-β-amyloid peptides (present extracellularly) and accumulation of neurofibrillary tangles intracellularly. The current review will focus on alterations and variation in mitochondria/mitochondrial DNA (mtDNA) and the rationale for involvement of related abnormalities in pathogenesis of AD.
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Affiliation(s)
- Swati Chadha
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Tapan Behl
- Chitkara College of Pharmacy, Chitkara University, Punjab, India.
| | - Aayush Sehgal
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Arun Kumar
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Simona Bungau
- Department of Pharmacy, Faculty of Pharmacy, University of Oradea, Romania
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Boutin S, Maltais R, Roy J, Poirier D. Synthesis of 17β-hydroxysteroid dehydrogenase type 10 steroidal inhibitors: Selectivity, metabolic stability and enhanced potency. Eur J Med Chem 2020; 209:112909. [PMID: 33081987 DOI: 10.1016/j.ejmech.2020.112909] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 09/28/2020] [Accepted: 10/03/2020] [Indexed: 12/14/2022]
Abstract
17beta-Hydroxysteroid dehydrogenase type 10 (17β-HSD10) is the only mitochondrial member of 17β-HSD family. This enzyme can oxidize estradiol (E2) into estrone (E1), thus reducing concentration of this neuroprotective steroid. Since 17β-HSD10 possesses properties that suggest a possible role in Alzheimer's disease, its inhibition appears to be a therapeutic strategy. After we identified the androsterone (ADT) derivative 1 as a first steroidal inhibitor of 17β-HSD10, new analogs were synthesized to increase the metabolic stability, to improve the selectivity of inhibition over 17β-HSD3 and to optimize the inhibitory potency. From six D-ring derivatives of 1 (17-CO), two compounds (17β-H/17α-OH and 17β-OH/17α-CCH) were more metabolically stable and did not inhibit the 17β-HSD3. Moreover, solid phase synthesis was used to extend the molecular diversity on the 3β-piperazinylmethyl group of the steroid base core. Eight over 120 new derivatives were more potent inhibitors than 1 for the transformation of E2 to E1, with the 4-(4-trifluoromethyl-3-methoxybenzyl)piperazin-1-ylmethyl-ADT (D-3,7) being 16 times more potent (IC50 = 0.14 μM). Finally, D-ring modification of D-3,7 provided 17β-OH/17α-CCH derivative 25 and 17β-H/17α-OH derivative 26, which were more potent inhibitor than 1 (1.8 and 2.4 times, respectively).
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Affiliation(s)
- Sophie Boutin
- Laboratory of Medicinal Chemistry, Endocrinology and Nephrology Unit, CHU de Québec - Research Center, Québec, QC, Canada; Department of Molecular Medicine, Faculty of Medicine, Université Laval, Québec, QC, Canada
| | - René Maltais
- Laboratory of Medicinal Chemistry, Endocrinology and Nephrology Unit, CHU de Québec - Research Center, Québec, QC, Canada
| | - Jenny Roy
- Laboratory of Medicinal Chemistry, Endocrinology and Nephrology Unit, CHU de Québec - Research Center, Québec, QC, Canada
| | - Donald Poirier
- Laboratory of Medicinal Chemistry, Endocrinology and Nephrology Unit, CHU de Québec - Research Center, Québec, QC, Canada; Department of Molecular Medicine, Faculty of Medicine, Université Laval, Québec, QC, Canada.
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8
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Argentati C, Tortorella I, Bazzucchi M, Emiliani C, Morena F, Martino S. The Other Side of Alzheimer's Disease: Influence of Metabolic Disorder Features for Novel Diagnostic Biomarkers. J Pers Med 2020; 10:E115. [PMID: 32899957 PMCID: PMC7563360 DOI: 10.3390/jpm10030115] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 09/03/2020] [Accepted: 09/04/2020] [Indexed: 02/08/2023] Open
Abstract
Nowadays, the amyloid cascade hypothesis is the dominant model to explain Alzheimer's disease (AD) pathogenesis. By this hypothesis, the inherited genetic form of AD is discriminated from the sporadic form of AD (SAD) that accounts for 85-90% of total patients. The cause of SAD is still unclear, but several studies have shed light on the involvement of environmental factors and multiple susceptibility genes, such as Apolipoprotein E and other genetic risk factors, which are key mediators in different metabolic pathways (e.g., glucose metabolism, lipid metabolism, energetic metabolism, and inflammation). Furthermore, growing clinical evidence in AD patients highlighted the presence of affected systemic organs and blood similarly to the brain. Collectively, these findings revise the canonical understating of AD pathogenesis and suggest that AD has metabolic disorder features. This review will focus on AD as a metabolic disorder and highlight the contribution of this novel understanding on the identification of new biomarkers for improving an early AD diagnosis.
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Affiliation(s)
| | | | | | | | | | - Sabata Martino
- Department of Chemistry, Biology and Biotechnologies, University of Perugia, 06123 Perugia, Italy; (C.A.); (I.T.); (M.B.); (C.E.); (F.M.)
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Vinklarova L, Schmidt M, Benek O, Kuca K, Gunn-Moore F, Musilek K. Friend or enemy? Review of 17β-HSD10 and its role in human health or disease. J Neurochem 2020; 155:231-249. [PMID: 32306391 DOI: 10.1111/jnc.15027] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 03/26/2020] [Accepted: 04/10/2020] [Indexed: 12/17/2022]
Abstract
17β-hydroxysteroid dehydrogenase (17β-HSD10) is a multifunctional human enzyme with important roles both as a structural component and also as a catalyst of many metabolic pathways. This mitochondrial enzyme has important functions in the metabolism, development and aging of the neural system, where it is involved in the homeostasis of neurosteroids, especially in regard to estradiol, changes in which make it an essential part of neurodegenerative pathology. These roles therefore, indicate that 17β-HSD10 may be a possible druggable target for neurodegenerative diseases including Alzheimer's disease (AD), and in hormone-dependent cancer. The objective of this review was to provide a summary about physiological functions and pathological roles of 17β-HSD10 and the modulators of its activity.
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Affiliation(s)
- Lucie Vinklarova
- Faculty of Science, Department of Chemistry, University of Hradec Kralove, Hradec Kralove, Czech Republic
| | - Monika Schmidt
- Faculty of Science, Department of Chemistry, University of Hradec Kralove, Hradec Kralove, Czech Republic
| | - Ondrej Benek
- Faculty of Science, Department of Chemistry, University of Hradec Kralove, Hradec Kralove, Czech Republic
| | - Kamil Kuca
- Faculty of Science, Department of Chemistry, University of Hradec Kralove, Hradec Kralove, Czech Republic
| | | | - Kamil Musilek
- Faculty of Science, Department of Chemistry, University of Hradec Kralove, Hradec Kralove, Czech Republic
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Abstract
Alzheimer’s disease (AD) is a multifactorial neurodegenerative disease and has become a major socioeconomic issue in many developed countries. Currently available therapeutic agents for AD provide only symptomatic treatments, mainly because the complete mechanism of the AD pathogenesis is still unclear. Although several different hypotheses have been proposed, mitochondrial dysfunction has gathered interest because of its profound effect on brain bioenergetics and neuronal survival in the pathophysiology of AD. Various therapeutic agents targeting the mitochondrial pathways associated with AD have been developed over the past decade. Although most of these agents are still early in the clinical development process, they are used to restore mitochondrial function, which provides an alternative therapeutic strategy that is likely to slow the progression of the disease. In this mini review, we will survey the AD-related mitochondrial pathways and their small-molecule modulators that have therapeutic potential. We will focus on recently reported examples, and also overview the current challenges and future perspectives of ongoing research.
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Affiliation(s)
- Ji Woong Lim
- Convergence Research Center for Diagnosis, Treatment and Care System of Dementia, Korea Institute of Science and Technology, Seoul 02792, Korea
| | - Jiyoun Lee
- Department of Global Medical Science, Sungshin University, Seoul 01133, Korea
| | - Ae Nim Pae
- Convergence Research Center for Diagnosis, Treatment and Care System of Dementia, Korea Institute of Science and Technology, Seoul 02792; Division of Bio-Medical Science & Technology, KIST School, Korea University of Science and Technology, Seoul 02792, Korea
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11
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Alam J, Sharma L. Potential Enzymatic Targets in Alzheimer's: A Comprehensive Review. Curr Drug Targets 2020; 20:316-339. [PMID: 30124150 DOI: 10.2174/1389450119666180820104723] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Revised: 06/23/2018] [Accepted: 08/15/2018] [Indexed: 12/13/2022]
Abstract
Alzheimer's, a degenerative cause of the brain cells, is called as a progressive neurodegenerative disease and appears to have a heterogeneous etiology with main emphasis on amyloid-cascade and hyperphosphorylated tau-cascade hypotheses, that are directly linked with macromolecules called enzymes such as β- & γ-secretases, colinesterases, transglutaminases, and glycogen synthase kinase (GSK-3), cyclin-dependent kinase (cdk-5), microtubule affinity-regulating kinase (MARK). The catalytic activity of the above enzymes is the result of cognitive deficits, memory impairment and synaptic dysfunction and loss, and ultimately neuronal death. However, some other enzymes also lead to these dysfunctional events when reduced to their normal activities and levels in the brain, such as α- secretase, protein kinase C, phosphatases etc; metabolized to neurotransmitters, enzymes like monoamine oxidase (MAO), catechol-O-methyltransferase (COMT) etc. or these abnormalities can occur when enzymes act by other mechanisms such as phosphodiesterase reduces brain nucleotides (cGMP and cAMP) levels, phospholipase A2: PLA2 is associated with reactive oxygen species (ROS) production etc. On therapeutic fronts, several significant clinical trials are underway by targeting different enzymes for development of new therapeutics to treat Alzheimer's, such as inhibitors for β-secretase, GSK-3, MAO, phosphodiesterase, PLA2, cholinesterases etc, modulators of α- & γ-secretase activities and activators for protein kinase C, sirtuins etc. The last decades have perceived an increasing focus on findings and search for new putative and novel enzymatic targets for Alzheimer's. Here, we review the functions, pathological roles, and worth of almost all the Alzheimer's associated enzymes that address to therapeutic strategies and preventive approaches for treatment of Alzheimer's.
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Affiliation(s)
- Jahangir Alam
- School of Pharmaceutical Sciences, Shoolini University, Solan, H.P., Pin 173229, India
| | - Lalit Sharma
- School of Pharmaceutical Sciences, Shoolini University, Solan, H.P., Pin 173229, India
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12
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Lim JW, Lee J, Pae AN. Mitochondrial dysfunction and Alzheimer's disease: prospects for therapeutic intervention. BMB Rep 2020; 53:47-55. [PMID: 31818365 PMCID: PMC6999825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2019] [Indexed: 03/29/2024] Open
Abstract
Alzheimer's disease (AD) is a multifactorial neurodegenerative disease and has become a major socioeconomic issue in many developed countries. Currently available therapeutic agents for AD provide only symptomatic treatments, mainly because the complete mechanism of the AD pathogenesis is still unclear. Although several different hypotheses have been proposed, mitochondrial dysfunction has gathered interest because of its profound effect on brain bioenergetics and neuronal survival in the pathophysiology of AD. Various therapeutic agents targeting the mitochondrial pathways associated with AD have been developed over the past decade. Although most of these agents are still early in the clinical development process, they are used to restore mitochondrial function, which provides an alternative therapeutic strategy that is likely to slow the progression of the disease. In this mini review, we will survey the AD-related mitochondrial pathways and their small-molecule modulators that have therapeutic potential. We will focus on recently reported examples, and also overview the current challenges and future perspectives of ongoing research. [BMB Reports 2020; 53(1): 47-55].
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Affiliation(s)
- Ji Woong Lim
- Convergence Research Center for Diagnosis, Treatment and Care System of Dementia, Korea Institute of Science and Technology, Seoul 02792,
Korea
| | - Jiyoun Lee
- Department of Global Medical Science, Sungshin University, Seoul 01133,
Korea
| | - Ae Nim Pae
- Convergence Research Center for Diagnosis, Treatment and Care System of Dementia, Korea Institute of Science and Technology, Seoul 02792,
Korea
- Division of Bio-Medical Science & Technology, KIST School, Korea University of Science and Technology, Seoul 02792,
Korea
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13
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The Impact of Estradiol on Neurogenesis and Cognitive Functions in Alzheimer's Disease. Cell Mol Neurobiol 2019; 40:283-299. [PMID: 31502112 DOI: 10.1007/s10571-019-00733-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Accepted: 08/31/2019] [Indexed: 12/18/2022]
Abstract
Alzheimer's disease (AD) is described as cognitive and memory impairments with a sex-related epidemiological profile, affecting two times more women than men. There is emerging evidence that alternations in the hippocampal neurogenesis occur at the early stage of AD. Therapies that may effectively slow, stop, or regenerate the dying neurons in AD are being extensively investigated in the last few decades, but none has yet been found to be effective. The regulation of endogenous neurogenesis is one of the main therapeutic targets for AD. Mounting evidence indicates that the neurosteroid estradiol (17β-estradiol) plays a supporting role in neurogenesis, neuronal activity, and synaptic plasticity of AD. This effect may provide preventive and/or therapeutic approaches for AD. In this article, we discuss the molecular mechanism of potential estradiol modulatory action on endogenous neurogenesis, synaptic plasticity, and cognitive function in AD.
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ABAD/17β-HSD10 reduction contributes to the protective mechanism of huperzine a on the cerebral mitochondrial function in APP/PS1 mice. Neurobiol Aging 2019; 81:77-87. [DOI: 10.1016/j.neurobiolaging.2019.05.016] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Revised: 05/18/2019] [Accepted: 05/22/2019] [Indexed: 12/14/2022]
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15
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Novel Benzothiazole-based Ureas as 17β-HSD10 Inhibitors, A Potential Alzheimer's Disease Treatment. Molecules 2019; 24:molecules24152757. [PMID: 31362457 PMCID: PMC6696238 DOI: 10.3390/molecules24152757] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 07/23/2019] [Accepted: 07/25/2019] [Indexed: 12/30/2022] Open
Abstract
It has long been established that mitochondrial dysfunction in Alzheimer’s disease (AD) patients can trigger pathological changes in cell metabolism by altering metabolic enzymes such as the mitochondrial 17β-hydroxysteroid dehydrogenase type 10 (17β-HSD10), also known as amyloid-binding alcohol dehydrogenase (ABAD). We and others have shown that frentizole and riluzole derivatives can inhibit 17β-HSD10 and that this inhibition is beneficial and holds therapeutic merit for the treatment of AD. Here we evaluate several novel series based on benzothiazolylurea scaffold evaluating key structural and activity relationships required for the inhibition of 17β-HSD10. Results show that the most promising of these compounds have markedly increased potency on our previously published inhibitors, with the most promising exhibiting advantageous features like low cytotoxicity and target engagement in living cells.
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Morsy A, Trippier PC. Current and Emerging Pharmacological Targets for the Treatment of Alzheimer's Disease. J Alzheimers Dis 2019; 72:S145-S176. [PMID: 31594236 DOI: 10.3233/jad-190744] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
No cure or disease-modifying therapy for Alzheimer's disease (AD) has yet been realized. However, a multitude of pharmacological targets have been identified for possible engagement to enable drug discovery efforts for AD. Herein, we review these targets comprised around three main therapeutic strategies. First is an approach that targets the main pathological hallmarks of AD: amyloid-β (Aβ) oligomers and hyperphosphorylated tau tangles which primarily focuses on reducing formation and aggregation, and/or inducing their clearance. Second is a strategy that modulates neurotransmitter signaling. Comprising this strategy are the cholinesterase inhibitors and N-methyl-D-aspartate receptor blockade treatments that are clinically approved for the symptomatic treatment of AD. Additional targets that aim to stabilize neuron signaling through modulation of neurotransmitters and their receptors are also discussed. Finally, the third approach comprises a collection of 'sensitive targets' that indirectly influence Aβ or tau accumulation. These targets are proteins that upon Aβ accumulation in the brain or direct Aβ-target interaction, a modification in the target's function is induced. The process occurs early in disease progression, ultimately causing neuronal dysfunction. This strategy aims to restore normal target function to alleviate Aβ-induced toxicity in neurons. Overall, we generally limit our analysis to targets that have emerged in the last decade and targets that have been validated using small molecules in in vitro and/or in vivo models. This review is not an exhaustive list of all possible targets for AD but serves to highlight the most promising and critical targets suitable for small molecule drug intervention.
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Affiliation(s)
- Ahmed Morsy
- Department of Pharmaceutical Sciences, University of Nebraska Medical Center, Omaha, NE, USA
- Department of Pharmaceutical Sciences, School of Pharmacy, Texas Tech University Health Sciences Center, Amarillo, TX, USA
| | - Paul C Trippier
- Department of Pharmaceutical Sciences, University of Nebraska Medical Center, Omaha, NE, USA
- Department of Pharmaceutical Sciences, School of Pharmacy, Texas Tech University Health Sciences Center, Amarillo, TX, USA
- UNMC Center for Drug Discovery, University of Nebraska Medical Center, Omaha, NE, USA
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17
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Boutin S, Roy J, Maltais R, Alata W, Calon F, Poirier D. Identification of steroidal derivatives inhibiting the transformations of allopregnanolone and estradiol by 17β-hydroxysteroid dehydrogenase type 10. Bioorg Med Chem Lett 2018; 28:3554-3559. [DOI: 10.1016/j.bmcl.2018.09.031] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Revised: 09/20/2018] [Accepted: 09/24/2018] [Indexed: 12/17/2022]
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18
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Morsy A, Trippier PC. Amyloid-Binding Alcohol Dehydrogenase (ABAD) Inhibitors for the Treatment of Alzheimer’s Disease. J Med Chem 2018; 62:4252-4264. [DOI: 10.1021/acs.jmedchem.8b01530] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Ahmed Morsy
- Department of Pharmaceutical Sciences, School of Pharmacy, Texas Tech University Health Sciences Center, Amarillo, Texas 79106, United States
| | - Paul C. Trippier
- Department of Pharmaceutical Sciences, School of Pharmacy, Texas Tech University Health Sciences Center, Amarillo, Texas 79106, United States
- Center for Chemical Biology, Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas 79409, United States
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Konings G, Brentjens L, Delvoux B, Linnanen T, Cornel K, Koskimies P, Bongers M, Kruitwagen R, Xanthoulea S, Romano A. Intracrine Regulation of Estrogen and Other Sex Steroid Levels in Endometrium and Non-gynecological Tissues; Pathology, Physiology, and Drug Discovery. Front Pharmacol 2018; 9:940. [PMID: 30283331 PMCID: PMC6157328 DOI: 10.3389/fphar.2018.00940] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Accepted: 08/02/2018] [Indexed: 12/20/2022] Open
Abstract
Our understanding of the intracrine (or local) regulation of estrogen and other steroid synthesis and degradation expanded in the last decades, also thanks to recent technological advances in chromatography mass-spectrometry. Estrogen responsive tissues and organs are not passive receivers of the pool of steroids present in the blood but they can actively modify the intra-tissue steroid concentrations. This allows fine-tuning the exposure of responsive tissues and organs to estrogens and other steroids in order to best respond to the physiological needs of each specific organ. Deviations in such intracrine control can lead to unbalanced steroid hormone exposure and disturbances. Through a systematic bibliographic search on the expression of the intracrine enzymes in various tissues, this review gives an up-to-date view of the intracrine estrogen metabolisms, and to a lesser extent that of progestogens and androgens, in the lower female genital tract, including the physiological control of endometrial functions, receptivity, menopausal status and related pathological conditions. An overview of the intracrine regulation in extra gynecological tissues such as the lungs, gastrointestinal tract, brain, colon and bone is given. Current therapeutic approaches aimed at interfering with these metabolisms and future perspectives are discussed.
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Affiliation(s)
- Gonda Konings
- GROW–School for Oncology and Developmental Biology, Maastricht University, Maastricht, Netherlands
- Department of Obstetrics and Gynaecology, Maastricht University Medical Centre, Maastricht, Netherlands
| | - Linda Brentjens
- GROW–School for Oncology and Developmental Biology, Maastricht University, Maastricht, Netherlands
- Department of Obstetrics and Gynaecology, Maastricht University Medical Centre, Maastricht, Netherlands
| | - Bert Delvoux
- GROW–School for Oncology and Developmental Biology, Maastricht University, Maastricht, Netherlands
- Department of Obstetrics and Gynaecology, Maastricht University Medical Centre, Maastricht, Netherlands
| | | | - Karlijn Cornel
- GROW–School for Oncology and Developmental Biology, Maastricht University, Maastricht, Netherlands
- Department of Obstetrics and Gynaecology, Maastricht University Medical Centre, Maastricht, Netherlands
| | | | - Marlies Bongers
- GROW–School for Oncology and Developmental Biology, Maastricht University, Maastricht, Netherlands
- Department of Obstetrics and Gynaecology, Maastricht University Medical Centre, Maastricht, Netherlands
| | - Roy Kruitwagen
- GROW–School for Oncology and Developmental Biology, Maastricht University, Maastricht, Netherlands
- Department of Obstetrics and Gynaecology, Maastricht University Medical Centre, Maastricht, Netherlands
| | - Sofia Xanthoulea
- GROW–School for Oncology and Developmental Biology, Maastricht University, Maastricht, Netherlands
- Department of Obstetrics and Gynaecology, Maastricht University Medical Centre, Maastricht, Netherlands
| | - Andrea Romano
- GROW–School for Oncology and Developmental Biology, Maastricht University, Maastricht, Netherlands
- Department of Obstetrics and Gynaecology, Maastricht University Medical Centre, Maastricht, Netherlands
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20
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Tucker D, Lu Y, Zhang Q. From Mitochondrial Function to Neuroprotection-an Emerging Role for Methylene Blue. Mol Neurobiol 2018; 55:5137-5153. [PMID: 28840449 PMCID: PMC5826781 DOI: 10.1007/s12035-017-0712-2] [Citation(s) in RCA: 77] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2017] [Accepted: 08/07/2017] [Indexed: 12/23/2022]
Abstract
Methylene blue (MB) is a well-established drug with a long history of use, owing to its diverse range of use and its minimal side effect profile. MB has been used classically for the treatment of malaria, methemoglobinemia, and carbon monoxide poisoning, as well as a histological dye. Its role in the mitochondria, however, has elicited much of its renewed interest in recent years. MB can reroute electrons in the mitochondrial electron transfer chain directly from NADH to cytochrome c, increasing the activity of complex IV and effectively promoting mitochondrial activity while mitigating oxidative stress. In addition to its beneficial effect on mitochondrial protection, MB is also known to have robust effects in mitigating neuroinflammation. Mitochondrial dysfunction has been identified as a seemingly unifying pathological phenomenon across a wide range of neurodegenerative disorders, which thus positions methylene blue as a promising therapeutic. In both in vitro and in vivo studies, MB has shown impressive efficacy in mitigating neurodegeneration and the accompanying behavioral phenotypes in animal models for such conditions as stroke, global cerebral ischemia, Alzheimer's disease, Parkinson's disease, and traumatic brain injury. This review summarizes recent work establishing MB as a promising candidate for neuroprotection, with particular emphasis on the contribution of mitochondrial function to neural health. Furthermore, this review will briefly examine the link between MB, neurogenesis, and improved cognition in respect to age-related cognitive decline.
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Affiliation(s)
- Donovan Tucker
- Department of Neuroscience and Regenerative Medicine, Augusta University, 1120 15th Street, Augusta, GA, 30912, USA
| | - Yujiao Lu
- Department of Neuroscience and Regenerative Medicine, Augusta University, 1120 15th Street, Augusta, GA, 30912, USA
| | - Quanguang Zhang
- Department of Neuroscience and Regenerative Medicine, Augusta University, 1120 15th Street, Augusta, GA, 30912, USA.
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21
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Benek O, Hroch L, Aitken L, Gunn-Moore F, Vinklarova L, Kuca K, Perez DI, Perez C, Martinez A, Fisar Z, Musilek K. 1-(Benzo[d]thiazol-2-yl)-3-phenylureas as dual inhibitors of casein kinase 1 and ABAD enzymes for treatment of neurodegenerative disorders. J Enzyme Inhib Med Chem 2018. [PMID: 29536773 PMCID: PMC6009902 DOI: 10.1080/14756366.2018.1445736] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/29/2022] Open
Abstract
Several neurodegenerative disorders including Alzheimer's disease (AD) have been connected with deregulation of casein kinase 1 (CK1) activity. Inhibition of CK1 therefore presents a potential therapeutic strategy against such pathologies. Recently, novel class of CK1-specific inhibitors with N-(benzo[d]thiazol-2-yl)-2-phenylacetamide structural scaffold has been discovered. 1-(benzo[d]thiazol-2-yl)-3-phenylureas, on the other hand, are known inhibitors amyloid-beta binding alcohol dehydrogenase (ABAD), an enzyme also involved in pathophysiology of AD. Based on their tight structural similarity, we decided to evaluate series of previously published benzothiazolylphenylureas, originally designed as ABAD inhibitors, for their inhibitory activity towards CK1. Several compounds were found to be submicromolar CK1 inhibitors. Moreover, two compounds were found to inhibit both, ABAD and CK1. Such dual-activity could be of advantage for AD treatment, as it would simultaneously target two distinct pathological processes involved in disease's progression. Based on PAMPA testing both compounds were suggested to permeate the blood-brain barrier, which makes them, together with their unique dual activity, interesting lead compounds for further development.
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Affiliation(s)
- Ondrej Benek
- a University of Hradec Kralove, Faculty of Science, Department of Chemistry , Hradec Kralove , Czech Republic.,b University Hospital in Hradec Kralove, Biomedical Research Center , Hradec Kralove , Czech Republic.,c National Institute of Mental Health , Klecany , Czech Republic
| | - Lukas Hroch
- b University Hospital in Hradec Kralove, Biomedical Research Center , Hradec Kralove , Czech Republic
| | - Laura Aitken
- d University of St. Andrews, Medical and Biological Sciences Building, School of Biology , St. Andrews , UK
| | - Frank Gunn-Moore
- d University of St. Andrews, Medical and Biological Sciences Building, School of Biology , St. Andrews , UK
| | - Lucie Vinklarova
- a University of Hradec Kralove, Faculty of Science, Department of Chemistry , Hradec Kralove , Czech Republic.,b University Hospital in Hradec Kralove, Biomedical Research Center , Hradec Kralove , Czech Republic
| | - Kamil Kuca
- a University of Hradec Kralove, Faculty of Science, Department of Chemistry , Hradec Kralove , Czech Republic.,b University Hospital in Hradec Kralove, Biomedical Research Center , Hradec Kralove , Czech Republic
| | - Daniel I Perez
- e Centro de Investigaciones Biologicas-CSIC , Madrid , Spain
| | | | - Ana Martinez
- e Centro de Investigaciones Biologicas-CSIC , Madrid , Spain
| | - Zdenek Fisar
- g Charles University and General University Hospital in Prague, First Faculty of Medicine, Department of Psychiatry , Prague , Czech Republic
| | - Kamil Musilek
- a University of Hradec Kralove, Faculty of Science, Department of Chemistry , Hradec Kralove , Czech Republic.,b University Hospital in Hradec Kralove, Biomedical Research Center , Hradec Kralove , Czech Republic
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22
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Viswanath ANI, Kim T, Jung SY, Lim SM, Pae AN. In silico-designed novel non-peptidic ABAD L D hot spot mimetics reverse Aβ-induced mitochondrial impairments in vitro. Chem Biol Drug Des 2017; 90:1041-1055. [PMID: 28660722 DOI: 10.1111/cbdd.13065] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Revised: 04/25/2017] [Accepted: 06/04/2017] [Indexed: 02/05/2023]
Abstract
Present work aimed to introduce non-peptidic ABAD loop D (LD ) hot spot mimetics as ABAD-Aβ inhibitors. A full-length atomistic model of ABAD-Aβ complex was built as a scaffold to launch the lead design and its topology later verified by cross-checking the computational mutagenesis results with that of in vitro data. Thereafter, the interactions of prime Aβ-binding LD residues-Tyr101, Thr108, and Thr110-were translated into specific pharmacophore features and this hypothesis subsequently used as a virtual screen query. ELISA-based screening of 20 hits identified two promising lead candidates, VC15 and VC19 with an IC50 of 4.4 ± 0.3 and 9.6 ± 0.1 μm, respectively. They productively reversed Aβ-induced mitochondrial dysfunctions such as mitochondrial membrane potential loss (JC-1 assay), toxicity (MTT assay), and ATP reduction (ATP assay) in addition to increased cell viabilities. This is the first reporting of LD hot spot-centric in silico scheme to discover novel compounds with promising ABAD-Aβ inhibitory potential. These chemotypes are proposed for further structural optimization to derive novel Alzheimer's disease (AD) therapeutics.
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Affiliation(s)
- Ambily Nath Indu Viswanath
- Convergence Research Center for Diagnosis, Treatment and Care System of Dementia, Korea Institute of Science and Technology, Seoul, Korea.,Department of Biological Chemistry, Korea University of Science and Technology, Daejeon, Korea
| | - TaeHun Kim
- Convergence Research Center for Diagnosis, Treatment and Care System of Dementia, Korea Institute of Science and Technology, Seoul, Korea.,Department of Biological Chemistry, Korea University of Science and Technology, Daejeon, Korea
| | - Seo Yun Jung
- Department of Pharmaceutical Science, College of Pharmacy, Kyung Hee University, Seoul, Korea
| | - Sang Min Lim
- Department of Biological Chemistry, Korea University of Science and Technology, Daejeon, Korea.,Center for Neuro-Medicine, Korea Institute of Science and Technology, Seoul, Korea
| | - Ae Nim Pae
- Convergence Research Center for Diagnosis, Treatment and Care System of Dementia, Korea Institute of Science and Technology, Seoul, Korea.,Department of Biological Chemistry, Korea University of Science and Technology, Daejeon, Korea
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Korábečný J, Nepovimová E, Cikánková T, Špilovská K, Vašková L, Mezeiová E, Kuča K, Hroudová J. Newly Developed Drugs for Alzheimer's Disease in Relation to Energy Metabolism, Cholinergic and Monoaminergic Neurotransmission. Neuroscience 2017; 370:191-206. [PMID: 28673719 DOI: 10.1016/j.neuroscience.2017.06.034] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Revised: 06/20/2017] [Accepted: 06/21/2017] [Indexed: 11/18/2022]
Abstract
Current options for Alzheimer's disease (AD) treatment are based on administration of cholinesterase inhibitors (donepezil, rivastigmine, galantamine) and/or memantine, acting as an N-methyl-D-aspartate (NMDA). Therapeutic approaches vary and include novel cholinesterase inhibitors, modulators of NMDA receptors, monoamine oxidase (MAO) inhibitors, immunotherapeutics, modulators of mitochondrial permeability transition pores (mPTP), amyloid-beta binding alcohol dehydrogenase (ABAD) modulators, antioxidant agents, etc. The novel trends of AD therapy are focused on multiple targeted ligands, where mostly ChE inhibition is combined with additional biological properties, positively affecting neuronal energy metabolism as well as mitochondrial functions, and possessing antioxidant properties. The present review summarizes newly developed drugs targeting cholinesterase and MAO, as well as drugs affecting mitochondrial functions.
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Affiliation(s)
- Jan Korábečný
- Biomedical Research Centre, University Hospital Hradec Kralové, Sokolská 581, 500 05 Hradec Králové, Czech Republic; National Institute of Mental Health, Topolová 748, 250 67 Klecany, Czech Republic
| | - Eugenie Nepovimová
- Biomedical Research Centre, University Hospital Hradec Kralové, Sokolská 581, 500 05 Hradec Králové, Czech Republic; Department of Psychiatry, First Faculty of Medicine, Charles University and General University Hospital in Prague, Ke Karlovu 11, 120 00 Prague 2, Czech Republic; Department of Chemistry, Faculty of Science, University of Hradec Králové, Rokitanského 62, 500 03 Hradec Králové, Czech Republic
| | - Tereza Cikánková
- Department of Psychiatry, First Faculty of Medicine, Charles University and General University Hospital in Prague, Ke Karlovu 11, 120 00 Prague 2, Czech Republic
| | - Katarína Špilovská
- National Institute of Mental Health, Topolová 748, 250 67 Klecany, Czech Republic; Department of Psychiatry, First Faculty of Medicine, Charles University and General University Hospital in Prague, Ke Karlovu 11, 120 00 Prague 2, Czech Republic; Department of Toxicology and Military Pharmacy, Faculty of Military Health Sciences, Třebešská 1575, 500 01 Hradec Králové, Czech Republic
| | - Lucie Vašková
- Department of Psychiatry, First Faculty of Medicine, Charles University and General University Hospital in Prague, Ke Karlovu 11, 120 00 Prague 2, Czech Republic; Department of Chemistry, Faculty of Science, University of Hradec Králové, Rokitanského 62, 500 03 Hradec Králové, Czech Republic
| | - Eva Mezeiová
- Biomedical Research Centre, University Hospital Hradec Kralové, Sokolská 581, 500 05 Hradec Králové, Czech Republic; National Institute of Mental Health, Topolová 748, 250 67 Klecany, Czech Republic; Department of Psychiatry, First Faculty of Medicine, Charles University and General University Hospital in Prague, Ke Karlovu 11, 120 00 Prague 2, Czech Republic
| | - Kamil Kuča
- Biomedical Research Centre, University Hospital Hradec Kralové, Sokolská 581, 500 05 Hradec Králové, Czech Republic; Department of Chemistry, Faculty of Science, University of Hradec Králové, Rokitanského 62, 500 03 Hradec Králové, Czech Republic
| | - Jana Hroudová
- Department of Psychiatry, First Faculty of Medicine, Charles University and General University Hospital in Prague, Ke Karlovu 11, 120 00 Prague 2, Czech Republic; Institute of Pharmacology, First Faculty of Medicine, Charles University and General University Hospital in Prague, Albertov 4, 128 00 Prague 2, Czech Republic.
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24
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Aitken L, Baillie G, Pannifer A, Morrison A, Jones PS, Smith TK, McElroy SP, Gunn-Moore FJ. In Vitro Assay Development and HTS of Small-Molecule Human ABAD/17β-HSD10 Inhibitors as Therapeutics in Alzheimer’s Disease. SLAS DISCOVERY 2017; 22:676-685. [DOI: 10.1177/2472555217697964] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
A major hallmark of Alzheimer’s disease (AD) is the formation of neurotoxic aggregates composed of the amyloid-β peptide (Aβ). Aβ has been recognized to interact with numerous proteins, resulting in pathological changes to the metabolism of patients with AD. One such mitochondrial metabolic enzyme is amyloid-binding alcohol dehydrogenase (ABAD), where altered enzyme function caused by the Aβ-ABAD interaction is known to cause mitochondrial distress and cytotoxic effects, providing a feasible therapeutic target for AD drug development. Here we have established a high-throughput screening platform for the identification of modulators to the ABAD enzyme. A pilot screen with a total of 6759 compounds from the NIH Clinical Collections (NCC) and SelleckChem libraries and a selection of compounds from the BioAscent diversity collection have allowed validation and robustness to be optimized. The pilot screen revealed 16 potential inhibitors in the low µM range against ABAD with favorable physicochemical properties for blood-brain barrier penetration.
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Affiliation(s)
- Laura Aitken
- School of Biology, University of St. Andrews, Medical and Biological Sciences Building, North Haugh, St. Andrews, Fife, UK
| | - Gemma Baillie
- University of Dundee, European Screening Centre, BioCity Scotland, Newhouse, Lanarkshire, UK
| | - Andrew Pannifer
- University of Dundee, European Screening Centre, BioCity Scotland, Newhouse, Lanarkshire, UK
| | - Angus Morrison
- University of Dundee, European Screening Centre, BioCity Scotland, Newhouse, Lanarkshire, UK
| | - Philip S. Jones
- University of Dundee, European Screening Centre, BioCity Scotland, Newhouse, Lanarkshire, UK
| | - Terry K. Smith
- Biomedical Sciences Research Complex, University of St. Andrews, Biomolecular Sciences Building, North Haugh, St. Andrews, Fife, UK
| | - Stuart P. McElroy
- University of Dundee, European Screening Centre, BioCity Scotland, Newhouse, Lanarkshire, UK
| | - Frank J. Gunn-Moore
- School of Biology, University of St. Andrews, Medical and Biological Sciences Building, North Haugh, St. Andrews, Fife, UK
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Lee J. Mitochondrial drug targets in neurodegenerative diseases. Bioorg Med Chem Lett 2016; 26:714-720. [PMID: 26806044 DOI: 10.1016/j.bmcl.2015.11.032] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2015] [Revised: 11/06/2015] [Accepted: 11/10/2015] [Indexed: 12/14/2022]
Abstract
Growing evidence suggests that mitochondrial dysfunction is the main culprit in neurodegenerative diseases. Given the fact that mitochondria participate in diverse cellular processes, including energetics, metabolism, and death, the consequences of mitochondrial dysfunction in neuronal cells are inevitable. In fact, new strategies targeting mitochondrial dysfunction are emerging as potential alternatives to current treatment options for neurodegenerative diseases. In this review, we focus on mitochondrial proteins that are directly associated with mitochondrial dysfunction. We also examine recently identified small molecule modulators of these mitochondrial targets and assess their potential in research and therapeutic applications.
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Affiliation(s)
- Jiyoun Lee
- Department of Global Medical Science, Sungshin University, Seoul 142-732, Republic of Korea.
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26
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Progress in drug development for Alzheimer's disease: An overview in relation to mitochondrial energy metabolism. Eur J Med Chem 2016; 121:774-784. [DOI: 10.1016/j.ejmech.2016.03.084] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2015] [Revised: 01/21/2016] [Accepted: 03/26/2016] [Indexed: 12/27/2022]
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Hu H, Tan CC, Tan L, Yu JT. A Mitocentric View of Alzheimer's Disease. Mol Neurobiol 2016; 54:6046-6060. [PMID: 27696116 DOI: 10.1007/s12035-016-0117-7] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2016] [Accepted: 09/12/2016] [Indexed: 12/14/2022]
Abstract
Alzheimer's disease (AD) is a neurodegenerative disease with an increasing morbidity, mortality, and economic cost. Plaques formed by amyloid beta peptide (Aβ) and neurofibrillary tangles formed by microtubule-associated protein tau are two main characters of AD. Though previous studies have focused on Aβ and tau and got some progressions on their toxicity mechanisms, no significantly effective treatments targeting the Aβ and tau have been found. However, it is worth noting that mounting evidences showed that mitochondrial dysfunction is an early event during the process of AD pathologic changes. What is more, these studies also showed an obvious association between mitochondrial dysfunction and Aβ/tau toxicity. Furthermore, both genetic and environmental factors may increase the oxidative stress and the mitochondria are also the sensitive target of ROS, which may form a vicious feedback between mitochondrial dysfunction and oxidative stress, eventually resulting in deficient energy, synaptic failure, and cell death. This article reviews the previous related studies from different aspects and concludes the critical roles of mitochondrial dysfunction in AD, suggesting a different route to AD therapy, which may guide the research and treatment direction.
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Affiliation(s)
- Hao Hu
- Department of Neurology, Qingdao Municipal Hospital, School of Medicine, Qingdao University, Qingdao, China
| | - Chen-Chen Tan
- Department of Neurology, Qingdao Municipal Hospital, School of Medicine, Qingdao University, Qingdao, China
| | - Lan Tan
- Department of Neurology, Qingdao Municipal Hospital, School of Medicine, Qingdao University, Qingdao, China.
| | - Jin-Tai Yu
- Department of Neurology, Qingdao Municipal Hospital, School of Medicine, Qingdao University, Qingdao, China.
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28
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Grimm A, Mensah-Nyagan AG, Eckert A. Alzheimer, mitochondria and gender. Neurosci Biobehav Rev 2016; 67:89-101. [DOI: 10.1016/j.neubiorev.2016.04.012] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Revised: 04/11/2016] [Accepted: 04/20/2016] [Indexed: 10/21/2022]
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Fišar Z. Drugs related to monoamine oxidase activity. Prog Neuropsychopharmacol Biol Psychiatry 2016; 69:112-24. [PMID: 26944656 DOI: 10.1016/j.pnpbp.2016.02.012] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2015] [Revised: 02/25/2016] [Accepted: 02/26/2016] [Indexed: 02/07/2023]
Abstract
Progress in understanding the role of monoamine neurotransmission in pathophysiology of neuropsychiatric disorders was made after the discovery of the mechanisms of action of psychoactive drugs, including monoamine oxidase (MAO) inhibitors. The increase in monoamine neurotransmitter availability, decrease in hydrogen peroxide production, and neuroprotective effects evoked by MAO inhibitors represent an important approach in the development of new drugs for the treatment of mental disorders and neurodegenerative diseases. New drugs are synthesized by acting as multitarget-directed ligands, with MAO, acetylcholinesterase, and iron chelation as targets. Basic information is summarized in this paper about the drug-induced regulation of monoaminergic systems in the brain, with a focus on MAO inhibition. Desirable effects of MAO inhibition include increased availability of monoamine neurotransmitters, decreased oxidative stress, decreased formation of neurotoxins, induction of pro-survival genes and antiapoptotic factors, and improved mitochondrial functions.
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Affiliation(s)
- Zdeněk Fišar
- Department of Psychiatry, First Faculty of Medicine, Charles University in Prague and General University Hospital in Prague, Ke Karlovu 11, 120 00 Prague 2, Czech Republic.
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30
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Vevera J, Fišar Z, Nekovářová T, Vrablík M, Zlatohlávek L, Hroudová J, Singh N, Raboch J, Valeš K. Statin-induced changes in mitochondrial respiration in blood platelets in rats and human with dyslipidemia. Physiol Res 2016; 65:777-788. [PMID: 27429121 DOI: 10.33549/physiolres.933264] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
3-hydroxy-3-methylglutaryl-coenzyme A (HMG-CoA) reductase inhibitors (statins) are widely used drugs for lowering blood lipid levels and preventing cardiovascular diseases. However, statins can have serious adverse effects, which may be related to development of mitochondrial dysfunctions. The aim of study was to demonstrate the in vivo effect of high and therapeutic doses of statins on mitochondrial respiration in blood platelets. Model approach was used in the study. Simvastatin was administered to rats at a high dose for 4 weeks. Humans were treated with therapeutic doses of rosuvastatin or atorvastatin for 6 weeks. Platelet mitochondrial respiration was measured using high-resolution respirometry. In rats, a significantly lower physiological respiratory rate was found in intact platelets of simvastatin-treated rats compared to controls. In humans, no significant changes in mitochondrial respiration were detected in intact platelets; however, decreased complex I-linked respiration was observed after statin treatment in permeabilized platelets. We propose that the small in vivo effect of statins on platelet energy metabolism can be attributed to drug effects on complex I of the electron transport system. Both intact and permeabilized platelets can be used as a readily available biological model to study changes in cellular energy metabolism in patients treated with statins.
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Affiliation(s)
- J Vevera
- Department of Psychiatry, First Faculty of Medicine, Charles University in Prague and General University Hospital in Prague, Prague, Czech Republic.
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31
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Aitken L, Quinn SD, Perez-Gonzalez C, Samuel IDW, Penedo JC, Gunn-Moore FJ. Morphology-Specific Inhibition of β-Amyloid Aggregates by 17β-Hydroxysteroid Dehydrogenase Type 10. Chembiochem 2016; 17:1029-37. [PMID: 26991863 DOI: 10.1002/cbic.201600081] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2016] [Indexed: 11/08/2022]
Abstract
A major hallmark of Alzheimer's disease (AD) is the formation of toxic aggregates of the β-amyloid peptide (Aβ). Given that Aβ peptides are known to localise within mitochondria and interact with 17β-HSD10, a mitochondrial protein expressed at high levels in AD brains, we investigated the inhibitory potential of 17β-HSD10 against Aβ aggregation under a range of physiological conditions. Fluorescence self-quenching (FSQ) of Aβ(1-42) labelled with HiLyte Fluor 555 was used to evaluate the inhibitory effect under conditions established to grow distinct Aβ morphologies. 17β-HSD10 preferentially inhibits the formation of globular and fibrillar-like structures but has no effect on the growth of amorphous plaque-like aggregates at endosomal pH 6. This work provides insights into the dependence of the Aβ-17β-HSD10 interaction with the morphology of Aβ aggregates and how this impacts enzymatic function.
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Affiliation(s)
- Laura Aitken
- School of Biology, University of St. Andrews, Medical and Biological Sciences Building, North Haugh, St. Andrews, Fife, KY16 9TF, UK
| | - Steven D Quinn
- Organic Semiconductor Centre, SUPA, School of Physics and Astronomy, University of St. Andrews, North Haugh, St. Andrews, Fife, KY16 9SS, UK.,SUPA, School of Physics and Astronomy, University of St. Andrews, North Haugh, St. Andrews, Fife, KY16 9SS, UK.,WestCHEM, School of Chemistry, Joseph Black Building, University of Glasgow, University Avenue, Glasgow, G12 8QQ, UK
| | - Cibran Perez-Gonzalez
- SUPA, School of Physics and Astronomy, University of St. Andrews, North Haugh, St. Andrews, Fife, KY16 9SS, UK.,Biomedical Sciences Research Complex, University of St. Andrews, Biomolecular Sciences Building, North Haugh, St. Andrews, Fife, KY16 9ST, UK
| | - Ifor D W Samuel
- Organic Semiconductor Centre, SUPA, School of Physics and Astronomy, University of St. Andrews, North Haugh, St. Andrews, Fife, KY16 9SS, UK
| | - J Carlos Penedo
- SUPA, School of Physics and Astronomy, University of St. Andrews, North Haugh, St. Andrews, Fife, KY16 9SS, UK. .,Biomedical Sciences Research Complex, University of St. Andrews, Biomolecular Sciences Building, North Haugh, St. Andrews, Fife, KY16 9ST, UK.
| | - Frank J Gunn-Moore
- School of Biology, University of St. Andrews, Medical and Biological Sciences Building, North Haugh, St. Andrews, Fife, KY16 9TF, UK.
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Methylene Blue Improves Brain Mitochondrial ABAD Functions and Decreases Aβ in a Neuroinflammatory Alzheimer’s Disease Mouse Model. Mol Neurobiol 2015; 53:1220-1228. [DOI: 10.1007/s12035-014-9088-8] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2014] [Accepted: 12/29/2014] [Indexed: 10/24/2022]
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Grimm A, Schmitt K, Lang UE, Mensah-Nyagan AG, Eckert A. Improvement of neuronal bioenergetics by neurosteroids: implications for age-related neurodegenerative disorders. Biochim Biophys Acta Mol Basis Dis 2014; 1842:2427-38. [PMID: 25281013 DOI: 10.1016/j.bbadis.2014.09.013] [Citation(s) in RCA: 80] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2014] [Revised: 09/22/2014] [Accepted: 09/25/2014] [Indexed: 01/09/2023]
Abstract
The brain has high energy requirements to maintain neuronal activity. Consequently impaired mitochondrial function will lead to disease. Normal aging is associated with several alterations in neurosteroid production and secretion. Decreases in neurosteroid levels might contribute to brain aging and loss of important nervous functions, such as memory. Up to now, extensive studies only focused on estradiol as a promising neurosteroid compound that is able to ameliorate cellular bioenergetics, while the effects of other steroids on brain mitochondria are poorly understood or not investigated at all. Thus, we aimed to characterize the bioenergetic modulating profile of a panel of seven structurally diverse neurosteroids (progesterone, estradiol, estrone, testosterone, 3α-androstanediol, DHEA and allopregnanolone), known to be involved in brain function regulation. Of note, most of the steroids tested were able to improve bioenergetic activity in neuronal cells by increasing ATP levels, mitochondrial membrane potential and basal mitochondrial respiration. In parallel, they modulated redox homeostasis by increasing antioxidant activity, probably as a compensatory mechanism to a slight enhancement of ROS which might result from the rise in oxygen consumption. Thereby, neurosteroids appeared to act via their corresponding receptors and exhibited specific bioenergetic profiles. Taken together, our results indicate that the ability to boost mitochondria is not unique to estradiol, but seems to be a rather common mechanism of different steroids in the brain. Thus, neurosteroids may act upon neuronal bioenergetics in a delicate balance and an age-related steroid disturbance might be involved in mitochondrial dysfunction underlying neurodegenerative disorders.
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Affiliation(s)
- Amandine Grimm
- Neurobiology Laboratory for Brain Aging and Mental Health, Transfaculty Research Platform, Molecular & Cognitive Neuroscience, University of Basel, Wilhelm Klein-Str. 27, CH-4012 Basel, Switzerland; Psychiatric University Clinics, University of Basel, Wilhelm Klein-Str. 27, CH-4012 Basel, Switzerland; Biopathologie de la Myéline, Neuroprotection et Stratégies Thérapeutiques, INSERM U1119, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Université de Strasbourg, Bâtiment 3 de la Faculté de Médecine, 11 rue Humann, 67 000 Strasbourg, France
| | - Karen Schmitt
- Neurobiology Laboratory for Brain Aging and Mental Health, Transfaculty Research Platform, Molecular & Cognitive Neuroscience, University of Basel, Wilhelm Klein-Str. 27, CH-4012 Basel, Switzerland; Psychiatric University Clinics, University of Basel, Wilhelm Klein-Str. 27, CH-4012 Basel, Switzerland
| | - Undine E Lang
- Psychiatric University Clinics, University of Basel, Wilhelm Klein-Str. 27, CH-4012 Basel, Switzerland
| | - Ayikoe Guy Mensah-Nyagan
- Biopathologie de la Myéline, Neuroprotection et Stratégies Thérapeutiques, INSERM U1119, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Université de Strasbourg, Bâtiment 3 de la Faculté de Médecine, 11 rue Humann, 67 000 Strasbourg, France
| | - Anne Eckert
- Neurobiology Laboratory for Brain Aging and Mental Health, Transfaculty Research Platform, Molecular & Cognitive Neuroscience, University of Basel, Wilhelm Klein-Str. 27, CH-4012 Basel, Switzerland; Psychiatric University Clinics, University of Basel, Wilhelm Klein-Str. 27, CH-4012 Basel, Switzerland.
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34
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Yang SY, He XY, Isaacs C, Dobkin C, Miller D, Philipp M. Roles of 17β-hydroxysteroid dehydrogenase type 10 in neurodegenerative disorders. J Steroid Biochem Mol Biol 2014; 143:460-72. [PMID: 25007702 DOI: 10.1016/j.jsbmb.2014.07.001] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2014] [Revised: 07/02/2014] [Accepted: 07/03/2014] [Indexed: 01/24/2023]
Abstract
17β-Hydroxysteroid dehydrogenase type 10 (17β-HSD10) is encoded by the HSD17B10 gene mapping at Xp11.2. This homotetrameric mitochondrial multifunctional enzyme catalyzes the oxidation of neuroactive steroids and the degradation of isoleucine. This enzyme is capable of binding to other peptides, such as estrogen receptor α, amyloid-β, and tRNA methyltransferase 10C. Missense mutations of the HSD17B10 gene result in 17β-HSD10 deficiency, an infantile neurodegeneration characterized by progressive psychomotor regression and alteration of mitochondria morphology. 17β-HSD10 exhibits only a negligible alcohol dehydrogenase activity, and is not localized in the endoplasmic reticulum or plasma membrane. Its alternate name - Aβ binding alcohol dehydrogenase (ABAD) - is a misnomer predicated on the mistaken belief that this enzyme is an alcohol dehydrogenase. Misconceptions about the localization and function of 17β-HSD10 abound. 17β-HSD10's proven location and function must be accurately identified to properly assess this enzyme's important role in brain metabolism, especially the metabolism of allopregnanolone. The brains of individuals with Alzheimer's disease (AD) and of animals in an AD mouse model exhibit abnormally elevated levels of 17β-HSD10. Abnormal expression, as well as mutations of the HSD17B10 gene leads to impairment of the structure, function, and dynamics of mitochondria. This may underlie the pathogenesis of the synaptic and neuronal deficiency exhibited in 17β-HSD10 related diseases, including 17β-HSD10 deficiency and AD. Restoration of steroid homeostasis could be achieved by the supplementation of neuroactive steroids with a proper dosing and treatment regimen or by the adjustment of 17β-HSD10 activity to protect neurons. The discovery of this enzyme's true function has opened a new therapeutic avenue for treating AD.
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Affiliation(s)
- Song-Yu Yang
- Department of Developmental Biochemistry, NYS Institute for Basic Research in Developmental Disabilities, 1050 Forest Hill Road, Staten Island, NY 10314, USA; Neuroscience Doctoral Program, Graduate Center of the City University of New York, 365 Fifth Avenue, NY 10016, USA.
| | - Xue-Ying He
- Department of Developmental Biochemistry, NYS Institute for Basic Research in Developmental Disabilities, 1050 Forest Hill Road, Staten Island, NY 10314, USA
| | - Charles Isaacs
- Department of Developmental Biochemistry, NYS Institute for Basic Research in Developmental Disabilities, 1050 Forest Hill Road, Staten Island, NY 10314, USA
| | - Carl Dobkin
- Department of Molecular Genetics, NYS Institute for Basic Research in Developmental Disabilities, 1050 Forest Hill Road, Staten Island, NY 10314, USA; Neuroscience Doctoral Program, Graduate Center of the City University of New York, 365 Fifth Avenue, NY 10016, USA
| | - David Miller
- Department of Molecular Biology, NYS Institute for Basic Research in Developmental Disabilities, 1050 Forest Hill Road, Staten Island, NY 10314, USA
| | - Manfred Philipp
- Department of Chemistry, Lehman College of CUNY, 250 Bedford Park Boulevard West, Bronx, NY 10468, USA; Biochemistry Doctoral Program, Graduate Center of the City University of New York, 365 Fifth Avenue, NY 10016, USA
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35
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Patent Highlights. Pharm Pat Anal 2014. [DOI: 10.4155/ppa.14.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
A snapshot of recent key developments in the patent literature of relevance to the advancement of pharmaceutical and medical R&D
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36
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Götz J, Lim YA, Eckert A. Lessons from two prevalent amyloidoses-what amylin and Aβ have in common. Front Aging Neurosci 2013; 5:38. [PMID: 23964237 PMCID: PMC3737661 DOI: 10.3389/fnagi.2013.00038] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2013] [Accepted: 07/16/2013] [Indexed: 11/23/2022] Open
Abstract
The amyloidogenic peptide Aβ plays a key role in Alzheimer's disease (AD) forming insoluble aggregates in the brain. The peptide shares its amyloidogenic properties with amylin that forms aggregates in the pancreas of patients with Type 2 Diabetes mellitus (T2DM). While epidemiological studies establish a link between these two diseases, it is becoming increasingly clear that they also share biochemical features suggesting common pathogenic mechanisms. We discuss commonalities as to how Aβ and amylin deregulate the cellular proteome, how they impair mitochondrial functions, to which receptors they bind, aspects of their clearance and how therapeutic strategies exploit the commonalities between Aβ and amylin. We conclude that research into these two molecules is mutually beneficial for the treatment of AD and T2DM.
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Affiliation(s)
- Jürgen Götz
- Centre for Ageing Dementia Research, Queensland Brain Institute, The University of Queensland Brisbane, QLD, Australia ; Sydney Medical School, Brain and Mind Research Institute, University of Sydney Sydney, Australia
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37
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DuBoff B, Feany M, Götz J. Why size matters - balancing mitochondrial dynamics in Alzheimer's disease. Trends Neurosci 2013; 36:325-35. [PMID: 23582339 DOI: 10.1016/j.tins.2013.03.002] [Citation(s) in RCA: 126] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2012] [Revised: 03/07/2013] [Accepted: 03/11/2013] [Indexed: 12/31/2022]
Abstract
Once perceived as solitary structures, mitochondria are now recognized as highly dynamic, interconnected organelles. The tight control of their fusion and fission, a process termed 'mitochondrial dynamics', is crucial for neurons, given their unique architecture and special energy and calcium-buffering requirements at the synapse. Interestingly, in Alzheimer's disease (AD), a condition initiated at the synapse, mitochondrial dynamics are severely impaired. Of the two proteins implicated in AD pathogenesis, amyloid-β (Aβ) and TAU, only the impact of Aβ on mitochondrial dynamics has been studied in detail. We highlight recent findings that TAU exerts a determinative effect in the regulation of mitochondrial dynamics, and therefore neuronal function. In this process, the GTPase DRP1 has emerged as a key target of both Aβ and TAU.
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Affiliation(s)
- Brian DuBoff
- Brigham and Women's Hospital and Harvard Medical School, Department of Pathology, Brigham and Women's Hospital, Harvard New Research Building, Room 630, 77 Avenue Louis Pasteur, Boston, MA 02115, USA
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Wang X, Yang Y, Jia M, Ma C, Wang M, Che L, Yang Y, Wu J. The novel amyloid-beta peptide aptamer inhibits intracellular amyloid-beta peptide toxicity. Neural Regen Res 2013; 8:39-48. [PMID: 25206370 PMCID: PMC4107502 DOI: 10.3969/j.issn.1673-5374.2013.01.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2012] [Accepted: 11/07/2012] [Indexed: 12/29/2022] Open
Abstract
Amyloid β peptide binding alcohol dehydrogenase (ABAD) decoy peptide (DP) can competitively antagonize binding of amyloid β peptide to ABAD and inhibit the cytotoxic effects of amyloid β peptide. Based on peptide aptamers, the present study inserted ABAD-DP into the disulfide bond of human thioredoxin (TRX) using molecular cloning technique to construct a fusion gene that can express the TRX1-ABAD-DP-TRX2 aptamer. Moreover, adeno-associated virus was used to allow its stable expression. Immunofluorescent staining revealed the co-expression of the transduced fusion gene TRX1-ABAD-DP-TRX2 and amyloid β peptide in NIH-3T3 cells, indicating that the TRX1-ABAD-DP-TRX2 aptamer can bind amyloid β peptide within cells. In addition, cell morphology and MTT results suggested that TRX1-ABAD-DP-TRX2 attenuated amyloid β peptide-induced SH-SY5Y cell injury and improved cell viability. These findings confirmed the possibility of constructing TRX-based peptide aptamer using ABAD-DP. Moreover, TRX1-ABAD-DP-TRX2 inhibited the cytotoxic effect of amyloid β peptide.
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Affiliation(s)
- Xu Wang
- Department of Neurology, First Hospital of Jilin University, Changchun 130021, Jilin Province, China
| | - Yi Yang
- Department of Neurology, First Hospital of Jilin University, Changchun 130021, Jilin Province, China
| | - Mingyue Jia
- Department of Neurology, First Hospital of Jilin University, Changchun 130021, Jilin Province, China
| | - Chi Ma
- Department of Neurosurgery, First Hospital of Jilin University, Changchun 130021, Jilin Province, China
| | - Mingyu Wang
- Department of Neurology, First Hospital of Jilin University, Changchun 130021, Jilin Province, China
| | - Lihe Che
- Department of Infection, First Hospital of Jilin University, Changchun 130021, Jilin Province, China
| | - Yu Yang
- Department of Neurology, First Hospital of Jilin University, Changchun 130021, Jilin Province, China
| | - Jiang Wu
- Department of Neurology, First Hospital of Jilin University, Changchun 130021, Jilin Province, China
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39
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Overlapped Metabolic and Therapeutic Links between Alzheimer and Diabetes. Mol Neurobiol 2012; 47:399-424. [DOI: 10.1007/s12035-012-8352-z] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2012] [Accepted: 09/12/2012] [Indexed: 12/12/2022]
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40
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Götz J, Matamales M, Götz NN, Ittner LM, Eckert A. Alzheimer's disease models and functional genomics-How many needles are there in the haystack? Front Physiol 2012; 3:320. [PMID: 22934069 PMCID: PMC3429089 DOI: 10.3389/fphys.2012.00320] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2012] [Accepted: 07/23/2012] [Indexed: 11/25/2022] Open
Abstract
Alzheimer's disease (AD) and frontotemporal lobar degeneration (FTLD) are complex human brain disorders that affect an increasing number of people worldwide. With the identification first of the proteins that aggregate in AD and FTLD brains and subsequently of pathogenic gene mutations that cause their formation in the familial cases, the foundation was laid for the generation of animal models. These recapitulate essential aspects of the human conditions; expression of mutant forms of the amyloid-β protein-encoding APP gene in mice reproduces amyloid-β (Aβ) plaque formation in AD, while that of mutant forms of the tau-encoding microtubule-associated protein tau (MAPT) gene reproduces tau-containing neurofibrillary tangle formation, a lesion that is also prevalent in FTLD-Tau. The mouse models have been complemented by those in lower species such as C. elegans or Drosophila, highlighting the crucial role for Aβ and tau in human neurodegenerative disease. In this review, we will introduce selected AD/FTLD models and discuss how they were instrumental, by identifying deregulated mRNAs, miRNAs and proteins, in dissecting pathogenic mechanisms in neurodegenerative disease. We will discuss some recent examples, which includes miRNA species that are specifically deregulated by Aβ, mitochondrial proteins that are targets of both Aβ and tau, and the nuclear splicing factor SFPQ that accumulates in the cytoplasm in a tau-dependent manner. These examples illustrate how a functional genomics approach followed by a careful validation in experimental models and human tissue leads to a deeper understanding of the pathogenesis of AD and FTLD and ultimately, may help in finding a cure.
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Affiliation(s)
- Jürgen Götz
- Centre for Ageing Dementia Research, Queensland Brain Institute, The University of QueenslandSt Lucia, QLD, Australia
| | - Miriam Matamales
- Centre for Ageing Dementia Research, Queensland Brain Institute, The University of QueenslandSt Lucia, QLD, Australia
| | - Naeman N. Götz
- Centre for Ageing Dementia Research, Queensland Brain Institute, The University of QueenslandSt Lucia, QLD, Australia
| | - Lars M. Ittner
- Alzheimer's and Parkinson's Disease Laboratory, Brain and Mind Research Institute, University of SydneyCamperdown, NSW, Australia
| | - Anne Eckert
- Neurobiology Laboratory, Psychiatric University Clinics Basel, University of BaselBasel, Switzerland
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Alzheimer's disease, oestrogen and mitochondria: an ambiguous relationship. Mol Neurobiol 2012; 46:151-60. [PMID: 22678467 PMCID: PMC3443477 DOI: 10.1007/s12035-012-8281-x] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2012] [Accepted: 05/21/2012] [Indexed: 11/02/2022]
Abstract
Hormonal deficit in post-menopausal women has been proposed to be one risk factor in Alzheimer's disease (AD) since two thirds of AD patients are women. However, large treatment trials showed negative effects of long-term treatment with oestrogens in older women. Thus, oestrogen treatment after menopause is still under debate, and several hypotheses trying to explain the failure in outcome are under discussion. Concurrently, it was shown that amyloid-beta (Aβ) peptide, the main constituent of senile plaques, as well as abnormally hyperphosphorylated tau protein, the main component of neurofibrillary tangles, can modulate the level of neurosteroids which notably represent neuroactive steroids synthetized within the nervous system, independently of peripheral endocrine glands. In this review, we summarize the role of neurosteroids especially that of oestrogen in AD and discuss their potentially neuroprotective effects with specific regard to the role of oestrogens on the maintenance and function of mitochondria, important organelles which are highly vulnerable to Aβ- and tau-induced toxicity. We also discuss the role of Aβ-binding alcohol dehydrogenase (ABAD), a mitochondrial enzyme able to bind Aβ peptide thereby modifying mitochondrial function as well as oestradiol levels suggesting possible modes of interaction between the three, and the potential therapeutic implication of inhibiting Aβ-ABAD interaction.
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42
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Lim YA, Giese M, Shepherd C, Halliday G, Kobayashi M, Takamatsu K, Staufenbiel M, Eckert A, Götz J. Role of hippocalcin in mediating Aβ toxicity. Biochim Biophys Acta Mol Basis Dis 2012; 1822:1247-57. [PMID: 22542901 DOI: 10.1016/j.bbadis.2012.04.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2012] [Revised: 04/04/2012] [Accepted: 04/12/2012] [Indexed: 11/29/2022]
Abstract
Alzheimer's disease (AD) is the most common cause of dementia, and amyloid-β (Aβ) plaques and tau-containing tangles are its histopathological hallmark lesions. These do not occur at random; rather, the neurodegenerative process is stereotyped in that it is initiated in the entorhinal cortex and hippocampal formation. Interestingly, it is the latter brain area where the calcium-sensing enzyme hippocalcin is highly expressed. Because calcium deregulation is a well-established pathomechanism in AD, we aimed to address the putative role of hippocalcin in human AD brain and transgenic mouse models. We found that hippocalcin levels are increased in human AD brain and in Aβ plaque-forming APP23 transgenic mice compared to controls. To determine the role of hippocalcin in Aβ toxicity, we treated primary cultures derived from hippocalcin knockout (HC KO) mice with Aβ and found them to be more susceptible to Aβ toxicity than controls. Likewise, treatment with either thapsigargin or ionomycin, both known to deregulate intracellular calcium levels, caused an increased toxicity in hippocampal neurons from HC KO mice compared to wild-type. We found further that mitochondrial complex I activity increased from 3 to 6months in hippocampal mitochondria from wild-type and HC KO mice, but that the latter exhibited a significantly stronger aging phenotype than wild-type. Aβ treatment induced significant toxicity on hippocampal mitochondria from HC KO mice already at 3months of age, while wild-type mitochondria were spared. Our data suggest that hippocalcin has a neuroprotective role in AD, presenting it as a putative biomarker.
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Affiliation(s)
- Yun-An Lim
- Alzheimer's & Parkinson's Disease Laboratory, Brain & Mind Research Institute, University of Sydney, 100 Mallett St, Camperdown, NSW 2050, Australia.
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