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Vellingiri B, Balasubramani K, Iyer M, Raj N, Elangovan A, Song K, Yeo HC, Jayakumar N, Kinoshita M, Thangarasu R, Narayanasamy A, Dayem AA, Prajapati VK, Gopalakrishnan AV, Cho SG. Role of Telomeres and Telomerase in Parkinson's Disease-A New Theranostics? Adv Biol (Weinh) 2023; 7:e2300097. [PMID: 37590305 DOI: 10.1002/adbi.202300097] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 05/19/2023] [Indexed: 08/19/2023]
Abstract
Parkinson's disease (PD) is a complex condition that is significantly influenced by oxidative stress and inflammation. It is also suggested that telomere shortening (TS) is regulated by oxidative stress which leads to various diseases including age-related neurodegenerative diseases like PD. Thus, it is anticipated that PD would result in TS of peripheral blood mononuclear cells (PBMCs). Telomeres protect the ends of eukaryotic chromosomes preserving them against fusion and destruction. The TS is a normal process because DNA polymerase is unable to replicate the linear ends of the DNA due to end replication complications and telomerase activity in various cell types counteracts this process. PD is usually observed in the aged population and progresses over time therefore, disparities among telomere length in PBMCs of PD patients are recorded and it is still a question whether it has any useful role. Here, the likelihood of telomere attrition in PD and its implications concerning microglia activation, ageing, oxidative stress, and the significance of telomerase activators are addressed. Also, the possibility of telomeres and telomerase as a diagnostic and therapeutic biomarker in PD is discussed.
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Affiliation(s)
- Balachandar Vellingiri
- Stem Cell and Regenerative Medicine/Translational Research, Department of Zoology, School of Basic Sciences, Central University of Punjab, Bathinda, Punjab, 151401, India
| | - Kiruthika Balasubramani
- Human Molecular Cytogenetics and Stem Cell Laboratory, Department of Human Genetics and Molecular Biology, Bharathiar University, Coimbatore, Tamil Nadu, 641046, India
| | - Mahalaxmi Iyer
- Department of Biotechnology, Karpagam Academy of Higher Education (Deemed to be University), Coimbatore, Tamil Nadu, 641021, India
| | - Neethu Raj
- Human Molecular Cytogenetics and Stem Cell Laboratory, Department of Human Genetics and Molecular Biology, Bharathiar University, Coimbatore, Tamil Nadu, 641046, India
| | - Ajay Elangovan
- Stem Cell and Regenerative Medicine/Translational Research, Department of Zoology, School of Basic Sciences, Central University of Punjab, Bathinda, Punjab, 151401, India
| | - Kwonwoo Song
- Department of Stem Cell and Regenerative Biotechnology, Molecular and Cellular Reprogramming Center and Institute of Advanced Regenerative Science, Konkuk University, Seoul, 05029, Republic of Korea
| | - Han-Cheol Yeo
- Department of Stem Cell and Regenerative Biotechnology, Molecular and Cellular Reprogramming Center and Institute of Advanced Regenerative Science, Konkuk University, Seoul, 05029, Republic of Korea
| | - Namitha Jayakumar
- Department of Biotechnology, Sri Ramakrishna College of Arts and Science, Coimbatore, Tamil Nadu, 641006, India
| | - Masako Kinoshita
- Department of Neurology, National Hospital Organization Utano National Hospital, Ondoyama-Cho, Narutaki, Ukyo-Ku, Kyoto, 616-8255, Japan
| | - Ravimanickam Thangarasu
- Department of Zoology, School of Science, Tamil Nadu Open University, Saidapet, Chennai, 600015, India
| | - Arul Narayanasamy
- Disease Proteomics Laboratory, Department of Zoology, Bharathiar University, Coimbatore, Tamil Nadu, 641046, India
| | - Ahmed Abdal Dayem
- Department of Stem Cell and Regenerative Biotechnology, Molecular and Cellular Reprogramming Center and Institute of Advanced Regenerative Science, Konkuk University, Seoul, 05029, Republic of Korea
| | - Vijay Kumar Prajapati
- Department of Biochemistry, University of Delhi South Campus, Benito Juarez Road, Dhaula Kuan, New Delhi, 110021, India
| | - Abilash Valsala Gopalakrishnan
- Department of Biomedical Sciences, School of Biosciences and Technology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India
| | - Ssang-Goo Cho
- Department of Stem Cell and Regenerative Biotechnology, Molecular and Cellular Reprogramming Center and Institute of Advanced Regenerative Science, Konkuk University, Seoul, 05029, Republic of Korea
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Yu X, Liu MM, Zheng CY, Liu YT, Wang Z, Wang ZY. Telomerase reverse transcriptase and neurodegenerative diseases. Front Immunol 2023; 14:1165632. [PMID: 37063844 PMCID: PMC10091515 DOI: 10.3389/fimmu.2023.1165632] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Accepted: 03/15/2023] [Indexed: 03/31/2023] Open
Abstract
Neurodegenerative diseases (NDs) are chronic conditions that result in progressive damage to the nervous system, including Alzheimer’s disease (AD), Parkinson’s disease (PD), Huntington’s disease (HD), and Amyotrophic lateral sclerosis (ALS). Age is a major risk factor for NDs. Telomere shortening is a biological marker of cellular aging, and telomerase reverse transcriptase (TERT) has been shown to slow down this process by maintaining telomere length. The blood-brain barrier (BBB) makes the brain a unique immune organ, and while the number of T cells present in the central nervous system is limited, they play an important role in NDs. Research suggests that NDs can be influenced by modulating peripheral T cell immune responses, and that TERT may play a significant role in T cell senescence and NDs. This review focuses on the current state of research on TERT in NDs and explores the potential connections between TERT, T cells, and NDs. Further studies on aging and telomeres may provide valuable insights for developing therapeutic strategies for age-related diseases.
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Morena E, Romano C, Marconi M, Diamant S, Buscarinu MC, Bellucci G, Romano S, Scarabino D, Salvetti M, Ristori G. Peripheral Biomarkers in Manifest and Premanifest Huntington's Disease. Int J Mol Sci 2023; 24:ijms24076051. [PMID: 37047023 PMCID: PMC10094222 DOI: 10.3390/ijms24076051] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 03/17/2023] [Accepted: 03/20/2023] [Indexed: 04/14/2023] Open
Abstract
Huntington's disease (HD) is characterized by clinical motor impairment (e.g., involuntary movements, poor coordination, parkinsonism), cognitive deficits, and psychiatric symptoms. An inhered expansion of the CAG triplet in the huntingtin gene causing a pathogenic gain-of-function of the mutant huntingtin (mHTT) protein has been identified. In this review, we focus on known biomarkers (e.g., mHTT, neurofilament light chains) and on new biofluid biomarkers that can be quantified in plasma or peripheral blood mononuclear cells from mHTT carriers. Circulating biomarkers may fill current unmet needs in HD management: better stratification of patients amenable to etiologic treatment; the initiation of preventive treatment in premanifest HD; and the identification of peripheral pathogenic central nervous system cascades.
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Affiliation(s)
- Emanuele Morena
- Department of Neurosciences, Mental Health and Sensory Organs (NESMOS), Sant'Andrea Hospital, Sapienza University of Rome, 00189 Rome, Italy
| | - Carmela Romano
- Department of Human Neurosciences, Sant'Andrea Hospital, Sapienza University of Rome, 00189 Rome, Italy
| | - Martina Marconi
- Department of Neurosciences, Mental Health and Sensory Organs (NESMOS), Sant'Andrea Hospital, Sapienza University of Rome, 00189 Rome, Italy
| | - Selene Diamant
- Department of Neurosciences, Mental Health and Sensory Organs (NESMOS), Sant'Andrea Hospital, Sapienza University of Rome, 00189 Rome, Italy
| | - Maria Chiara Buscarinu
- Department of Neurosciences, Mental Health and Sensory Organs (NESMOS), Sant'Andrea Hospital, Sapienza University of Rome, 00189 Rome, Italy
| | - Gianmarco Bellucci
- Department of Neurosciences, Mental Health and Sensory Organs (NESMOS), Sant'Andrea Hospital, Sapienza University of Rome, 00189 Rome, Italy
| | - Silvia Romano
- Department of Neurosciences, Mental Health and Sensory Organs (NESMOS), Sant'Andrea Hospital, Sapienza University of Rome, 00189 Rome, Italy
| | - Daniela Scarabino
- Institute of Molecular Biology and Pathology, National Research Council, 00185 Rome, Italy
| | - Marco Salvetti
- Department of Neurosciences, Mental Health and Sensory Organs (NESMOS), Sant'Andrea Hospital, Sapienza University of Rome, 00189 Rome, Italy
- IRCCS Istituto Neurologico Mediterraneo (INM) Neuromed, 86077 Pozzilli, Italy
| | - Giovanni Ristori
- Department of Neurosciences, Mental Health and Sensory Organs (NESMOS), Sant'Andrea Hospital, Sapienza University of Rome, 00189 Rome, Italy
- Neuroimmunology Unit, IRCCS Fondazione Santa Lucia, 00179 Rome, Italy
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Telomere Length Changes in Cancer: Insights on Carcinogenesis and Potential for Non-Invasive Diagnostic Strategies. Genes (Basel) 2023; 14:genes14030715. [PMID: 36980987 PMCID: PMC10047978 DOI: 10.3390/genes14030715] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 03/08/2023] [Accepted: 03/10/2023] [Indexed: 03/17/2023] Open
Abstract
Telomere dynamics play a crucial role in the maintenance of chromosome integrity; changes in telomere length may thus contribute to the development of various diseases including cancer. Understanding the role of telomeric DNA in carcinogenesis and detecting the presence of cell-free telomeric DNA (cf-telDNA) in body fluids offer a potential biomarker for novel cancer screening and diagnostic strategies. Liquid biopsy is becoming increasingly popular due to its undeniable benefits over conventional invasive methods. However, the organization and function of cf-telDNA in the extracellular milieu are understudied. This paper provides a review based on 3,398,017 cancer patients, patients with other conditions, and control individuals with the aim to shed more light on the inconsistent nature of telomere lengthening/shortening in oncological contexts. To gain a better understanding of biological factors (e.g., telomerase activation, alternative lengthening of telomeres) affecting telomere homeostasis across different types of cancer, we summarize mechanisms responsible for telomere length maintenance. In conclusion, we compare tissue- and liquid biopsy-based approaches in cancer assessment and provide a brief outlook on the methodology used for telomere length evaluation, highlighting the advances of state-of-the-art approaches in the field.
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PerezGrovas-Saltijeral A, Ochoa-Morales A, Jara-Prado A, Velázquez-Cruz R, Rivera-Paredez B, Dávila-OrtizdeMontellano D, Benítez-Alonso EO, Santamaría-Olmedo M, Sevilla-Montoya R, Marfil-Marín E, Valdés-Flores M, Martínez-Ruano L, Camacho-Molina A, Hidalgo-Bravo A. Unraveling the role of relative telomere length and CAG expansion on initial symptoms of juvenile Huntington disease. Eur J Neurol 2023; 30:612-621. [PMID: 36421025 DOI: 10.1111/ene.15644] [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: 11/16/2022] [Accepted: 11/21/2022] [Indexed: 11/25/2022]
Abstract
BACKGROUND AND PURPOSE Juvenile-onset Huntington disease (JHD) is defined when symptoms initiate before 20 years of age. Mechanisms explaining differences between juvenile and adult onset are not fully understood. Our aim was to analyze the distribution of initial symptoms in a cohort of JHD patients and to explore its relationship with CAG expansion and relative telomere length (RTL). METHODS A total of 84 JHD patients and 54 neurologically healthy age and sex matched individuals were recruited. CAG length was measured by southern blot or triplet repeat primed polymerase chain reaction. RTL was measured using the Cawthon method. RESULTS Psychiatric symptoms were most frequent when considering the entire cohort. When divided into onset before or after 10 years, cognitive symptoms were more frequent in the youngest, whilst in the older group psychiatric symptoms prevailed. Motor symptoms were rare in the youngest and epilepsy was observed only in this group as well as a larger CAG expansion. RTL analysis revealed shorter telomeres in JHD patients compared to controls. This difference is not influenced by age, initial symptoms, time of disease or CAG expansion. CONCLUSIONS To the best of our knowledge this is the largest cohort of JHD patients reported. Psychiatric manifestations deserve special attention when JHD is suspected and epilepsy is especially important in the youngest patients. Initial symptoms seem to be influenced by CAG expansion and therefore age of onset. RTL is significantly reduced in JHD patients which can influence the characteristic neurodegeneration of JHD and contribute to the clinical discrepancy between adult and juvenile forms of Huntington disease.
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Affiliation(s)
| | - Adriana Ochoa-Morales
- Department of Neurogenetics, National Institute of Neurology and Neurosurgery, Mexico City, Mexico
| | - Aurelio Jara-Prado
- Department of Neurogenetics, National Institute of Neurology and Neurosurgery, Mexico City, Mexico
| | - Rafael Velázquez-Cruz
- Genomics of Bone Metabolism Laboratory, National Institute of Genomic Medicine (INMEGEN), Mexico City, Mexico
| | - Berenice Rivera-Paredez
- Research Center in Policies, Population and Health, School of Medicine, National Autonomous University of Mexico (UNAM), Mexico City, Mexico
| | | | - Edmar O Benítez-Alonso
- Department of Neurogenetics, National Institute of Neurology and Neurosurgery, Mexico City, Mexico
| | | | - Rosalba Sevilla-Montoya
- Department of Genetics and Human Genomics, National Institute of Perinatology, Mexico City, Mexico
| | | | | | - Leticia Martínez-Ruano
- Department of Neurogenetics, National Institute of Neurology and Neurosurgery, Mexico City, Mexico
| | - Alejandra Camacho-Molina
- Department of Neurogenetics, National Institute of Neurology and Neurosurgery, Mexico City, Mexico
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Leukocyte Telomere Length as Potential Biomarker of HD Progression: A Follow-Up Study. Int J Mol Sci 2022; 23:ijms232113449. [DOI: 10.3390/ijms232113449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 10/28/2022] [Accepted: 10/29/2022] [Indexed: 11/06/2022] Open
Abstract
The identification of biomarkers for neurodegenerative disorders such as Huntington’s disease (HD) is crucial for monitoring disease progression and therapeutic trial outcomes, especially in the pre-manifest disease stage (pre-HD). In a previous study, we observed that leukocyte telomere length (LTL) was strongly correlated with the estimated time to clinical onset in pre-HD subjects. To validate this hypothesis, we designed a follow-up study in which we analyzed LTL in 45 pre-HD stage subjects at baseline (T0) and then again after clinical onset at follow-up (T1); the follow-up interval was about 3 years, and the CAG range was 39–51 repeats; 90 peripheral blood mononuclear cell samples (PBMCs) were obtained from the Enroll-HD biorepository. In pre-HD subjects at T0, LTL was significantly reduced by 22% compared to the controls and by 14% from T0 at T1. No relationship was observed between the LTL and CAG numbers in subjects carrying different CAG repeats at T0 and at T1, suggesting that LTL reduction occurs independently of CAG number in pre-HD subjects. ROC curve analysis was used to test the validity of LTL as a potential biomarker of HD progression and showed that LTL measurement is extremely accurate in discriminating pre-HD subjects from the controls and even pre-HD from manifest HD, thus yielding a robust prognostic value in pre-HD subjects.
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Circulating U13 Small Nucleolar RNA as a Potential Biomarker in Huntington's Disease: A Pilot Study. Int J Mol Sci 2022; 23:ijms232012440. [PMID: 36293304 PMCID: PMC9604297 DOI: 10.3390/ijms232012440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 10/10/2022] [Accepted: 10/13/2022] [Indexed: 11/17/2022] Open
Abstract
Plasma small RNAs have been recently explored as biomarkers in Huntington’s disease (HD). We performed an exploratory study on nine HD patients, eight healthy subjects (HS), and five psychiatric patients (PP; to control for iatrogenic confounder effects) through an Affymetrix-Gene-Chip-miRNA-Array. We validated the results in an independent population of 23 HD, 15 pre-HD, 24 PP, 28 Alzheimer’s disease (AD) patients (to control the disease-specificity) and 22 HS through real-time PCR. The microarray results showed higher levels of U13 small nucleolar RNA (SNORD13) in HD patients than controls (fold change 1.54, p = 0.003 HD vs. HS, and 1.44, p = 0.0026 HD vs. PP). In the validation population, a significant increase emerged with respect to both pre-HD and the control groups (p < 0.0001). SNORD13 correlated with the status of the mutant huntingtin carrier (r = 0.73; p < 0.001) and the disease duration (r = 0.59; p = 0.003). The receiver operating characteristic (ROC) curve analysis showed the high accuracy of SNORD13 in discriminating HD patients from other groups (AUC = 0.963). An interactome and pathway analysis on SNORD13 revealed enrichments for factors relevant to HD pathogenesis. We report the unprecedented finding of a potential disease-specific role of SNORD13 in HD. It seems to peripherally report a ‘tipping point’ in the pathogenic cascade at the neuronal level.
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Scarabino D, Veneziano L, Fiore A, Nethisinghe S, Mantuano E, Garcia-Moreno H, Bellucci G, Solanky N, Morello M, Zanni G, Corbo RM, Giunti P. Leukocyte Telomere Length Variability as a Potential Biomarker in Patients with PolyQ Diseases. Antioxidants (Basel) 2022; 11:antiox11081436. [PMID: 35892638 PMCID: PMC9332235 DOI: 10.3390/antiox11081436] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 07/15/2022] [Accepted: 07/20/2022] [Indexed: 12/02/2022] Open
Abstract
SCA1, SCA2, and SCA3 are the most common forms of SCAs among the polyglutamine disorders, which include Huntington’s Disease (HD). We investigated the relationship between leukocyte telomere length (LTL) and the phenotype of SCA1, SCA2, and SCA3, comparing them with HD. The results showed that LTL was significantly reduced in SCA1 and SCA3 patients, while LTL was significantly longer in SCA2 patients. A significant negative relationship between LTL and age was observed in SCA1 but not in SCA2 subjects. LTL of SCA3 patients depend on both patient’s age and disease duration. The number of CAG repeats did not affect LTL in the three SCAs. Since LTL is considered an indirect marker of an inflammatory response and oxidative damage, our data suggest that in SCA1 inflammation is present already at an early stage of disease similar to in HD, while in SCA3 inflammation and impaired antioxidative processes are associated with disease progression. Interestingly, in SCA2, contrary to SCA1 and SCA3, the length of leukocyte telomeres does not reduce with age. We have observed that SCAs and HD show a differing behavior in LTL for each subtype, which could constitute relevant biomarkers if confirmed in larger cohorts and longitudinal studies.
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Affiliation(s)
- Daniela Scarabino
- Institute of Molecular Biology and Pathology, National Research Council, 00185 Rome, Italy
- Correspondence: (D.S.); (L.V.)
| | - Liana Veneziano
- Institute of Translational Pharmacology, National Research Council, 00133 Rome, Italy;
- Correspondence: (D.S.); (L.V.)
| | - Alessia Fiore
- Department of Biology and Biotechnology, Sapienza University of Rome, 00185 Rome, Italy; (A.F.); (R.M.C.)
| | - Suran Nethisinghe
- Ataxia Center, Department of Clinical and Movement Neuroscience, UCL Queen Square Institute of Neurology, University College, London WC1N 3BG, UK; (S.N.); (H.G.-M.); (N.S.); (P.G.)
| | - Elide Mantuano
- Institute of Translational Pharmacology, National Research Council, 00133 Rome, Italy;
| | - Hector Garcia-Moreno
- Ataxia Center, Department of Clinical and Movement Neuroscience, UCL Queen Square Institute of Neurology, University College, London WC1N 3BG, UK; (S.N.); (H.G.-M.); (N.S.); (P.G.)
| | - Gianmarco Bellucci
- Department of Neurosciences, Mental Health and Sensory Organs, Centre for Experimental Neurological Therapies (CENTERS), Sapienza University of Rome, 00185 Rome, Italy;
| | - Nita Solanky
- Ataxia Center, Department of Clinical and Movement Neuroscience, UCL Queen Square Institute of Neurology, University College, London WC1N 3BG, UK; (S.N.); (H.G.-M.); (N.S.); (P.G.)
| | - Maria Morello
- Department of Experimental Medicine and Surgery, Tor Vergata University, 00133 Rome, Italy;
| | - Ginevra Zanni
- Unit of Neuromuscolar and Neurodegenerative Disorders, Department of Neurosciences, Bambino Gesù Children’s Research Hospital, IRCCS, 00100 Rome, Italy;
| | - Rosa Maria Corbo
- Department of Biology and Biotechnology, Sapienza University of Rome, 00185 Rome, Italy; (A.F.); (R.M.C.)
| | - Paola Giunti
- Ataxia Center, Department of Clinical and Movement Neuroscience, UCL Queen Square Institute of Neurology, University College, London WC1N 3BG, UK; (S.N.); (H.G.-M.); (N.S.); (P.G.)
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Dong X, Cong S. MicroRNAs in Huntington's Disease: Diagnostic Biomarkers or Therapeutic Agents? Front Cell Neurosci 2021; 15:705348. [PMID: 34421543 PMCID: PMC8377808 DOI: 10.3389/fncel.2021.705348] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Accepted: 07/20/2021] [Indexed: 01/01/2023] Open
Abstract
MicroRNA (miRNA) is a non-coding single-stranded small molecule of approximately 21 nucleotides. It degrades or inhibits the translation of RNA by targeting the 3′-UTR. The miRNA plays an important role in the growth, development, differentiation, and functional execution of the nervous system. Dysregulated miRNA expression has been associated with several pathological processes of neurodegenerative disorders, including Huntington’s disease (HD). Recent studies have suggested promising roles of miRNAs as biomarkers and potential therapeutic targets for HD. Here, we review the emerging role of dysregulated miRNAs in HD and describe general biology of miRNAs, their pathophysiological implications, and their potential roles as biomarkers and therapeutic agents.
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Affiliation(s)
- Xiaoyu Dong
- Department of Neurology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Shuyan Cong
- Department of Neurology, Shengjing Hospital of China Medical University, Shenyang, China
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Ferraldeschi M, Romano S, Giglio S, Romano C, Morena E, Mechelli R, Annibali V, Ubaldi M, Buscarinu MC, Umeton R, Sani G, Vecchione A, Salvetti M, Ristori G. Circulating hsa-miR-323b-3p in Huntington's Disease: A Pilot Study. Front Neurol 2021; 12:657973. [PMID: 34025560 PMCID: PMC8131841 DOI: 10.3389/fneur.2021.657973] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Accepted: 03/15/2021] [Indexed: 11/25/2022] Open
Abstract
The momentum of gene therapy in Huntington's disease (HD) deserves biomarkers from easily accessible fluid. We planned a study to verify whether plasma miRNome may provide useful peripheral "reporter(s)" for the management of HD patients. We performed an exploratory microarray study of whole non-coding RNA profiles in plasma from nine patients with HD and 13 matched controls [eight healthy subjects (HS) and five psychiatric patients (PP) to minimize possible iatrogenic impact on the profile of non-coding RNAs]. We found an HD-specific signature: downregulation of hsa-miR-98 (fold change, -1.5, p = 0.0338 HD vs. HS, and fold change, 1.5, p = 0.0045 HD vs. PP) and upregulation of hsa-miR-323b-3p (fold change, 1.5, p = 0.0007 HD vs. HS, and fold change, 1.5, p = 0.0111 HD vs. PP). To validate this result in an independent cohort, we quantify by digital droplet PCR (ddPCR) the presence of the two microRNA in the plasma of 33 HD patients and 49 matched controls (25 HS and 24 PP patients). We were able to confirm that hsa-miR-323b-3p was upregulated in HD and premanifest HD vs. HS and PP: the median values (first-third quartile) were 4.1 (0.9-10.53) and 5.8 (1.9-10.70) vs. 0.69 (0.3-2.75) and 1.4 (0.78-2.70), respectively, p < 0.05. No significant difference was found for hsa-miR-98. To evaluate the biological plausibility of the hsa-miR-323b-3p as a component of the disease pathophysiology, we performed a bioinformatic analysis based on its targetome and the huntingtin (HTT) interactome. We found a statistically significant overconnectivity between the targetome of hsa-miR-323b-3p and the HTT interactome (p = 1.48e-08). Furthermore, there was a significant transcription regulation of the HTT interactome by the miR-323b-3p targetome (p = 0.02). The availability of handy, reproducible, and minimally invasive biomarkers coming from peripheral miRNome may be valuable to characterize the illness progression, to indicate new therapeutic targets, and to monitor the effect of disease-modifying treatments. Our data deserve further studies with larger sample size and longitudinal design.
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Affiliation(s)
| | - Silvia Romano
- Department of Neurosciences, Centre for Experimental Neurological Therapies (CENTERS), Mental Health and Sensory Organs, Sapienza University of Rome, Rome, Italy
| | - Simona Giglio
- Department of Experimental Medicine, Policlinico Umberto i of Rome, Sapienza University, Rome, Italy
| | - Carmela Romano
- Department of Neurosciences, Centre for Experimental Neurological Therapies (CENTERS), Mental Health and Sensory Organs, Sapienza University of Rome, Rome, Italy
| | - Emanuele Morena
- Department of Neurosciences, Centre for Experimental Neurological Therapies (CENTERS), Mental Health and Sensory Organs, Sapienza University of Rome, Rome, Italy
| | - Rosella Mechelli
- Istituti di Ricovero e Cura a Carattere Scientifico San Raffaele Pisana, San Raffaele Roma Open University, Rome, Italy
| | - Viviana Annibali
- Department of Neurosciences, Centre for Experimental Neurological Therapies (CENTERS), Mental Health and Sensory Organs, Sapienza University of Rome, Rome, Italy
| | - Martina Ubaldi
- Department of Neurosciences, Centre for Experimental Neurological Therapies (CENTERS), Mental Health and Sensory Organs, Sapienza University of Rome, Rome, Italy
| | - Maria Chiara Buscarinu
- Department of Neurosciences, Centre for Experimental Neurological Therapies (CENTERS), Mental Health and Sensory Organs, Sapienza University of Rome, Rome, Italy
| | - Renato Umeton
- Department of Informatics and Analytics, Dana-Farber Cancer Institute, Boston, MA, United States
- Massachusetts Institute of Technology, Cambridge, MA, United States
- Harvard School of Public Health, Boston, MA, United States
- Weill Cornell Medicine, New York City, NY, United States
| | - Gabriele Sani
- Section of Psychiatry, Department of Neuroscience, University Cattolica del Sacro Cuore, Rome, Italy
- Department of Psychiatry, Fondazione Policlinico Agostino Gemelli Istituti di Ricovero e Cura a Carattere Scientifico, Rome, Italy
| | - Andrea Vecchione
- Surgical Pathology Units, Department of Clinical and Molecular Medicine, Ospedale Sant'Andrea, Sapienza University, Rome, Italy
| | - Marco Salvetti
- Department of Neurosciences, Centre for Experimental Neurological Therapies (CENTERS), Mental Health and Sensory Organs, Sapienza University of Rome, Rome, Italy
- Istituti di Ricovero e Cura a Carattere Scientifico Istituto Neurologico Mediterraneo (INM) Neuromed, Pozzilli, Italy
| | - Giovanni Ristori
- Department of Neurosciences, Centre for Experimental Neurological Therapies (CENTERS), Mental Health and Sensory Organs, Sapienza University of Rome, Rome, Italy
- Neuroimmunology Unit, Istituti di Ricovero e Cura a Carattere Scientifico Fondazione Santa Lucia, Rome, Italy
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Kim DH, Kim R, Lee JY, Lee KM. Clinical, Imaging, and Laboratory Markers of Premanifest Spinocerebellar Ataxia 1, 2, 3, and 6: A Systematic Review. J Clin Neurol 2021; 17:187-199. [PMID: 33835738 PMCID: PMC8053554 DOI: 10.3988/jcn.2021.17.2.187] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 02/03/2021] [Accepted: 02/03/2021] [Indexed: 12/26/2022] Open
Abstract
Background and Purpose Premanifest mutation carriers with spinocerebellar ataxia (SCA) can exhibit subtle abnormalities before developing ataxia. We summarized the preataxic manifestations of SCA1, -2, -3, and -6, and their associations with ataxia onset. Methods We included studies of the premanifest carriers of SCA published between January 1998 and December 2019 identified in Scopus and PubMed by searching for terms including ‘spinocerebellar ataxia’ and several synonyms of ‘preataxic manifestation’. We systematically reviewed the results obtained in studies categorized based on clinical, imaging, and laboratory markers. Results We finally performed a qualitative analysis of 48 papers. Common preataxic manifestations appearing in multiple SCA subtypes were muscle cramps, abnormal muscle reflexes, instability in gait and posture, lower Composite Cerebellar Functional Severity scores, abnormalities in video-oculography and transcranial magnetic stimulation, and gray-matter loss and volume reduction in the brainstem and cerebellar structures. Also, decreased sensory amplitudes in nerve conduction studies were observed in SCA2. Eotaxin and neurofilament light-chain levels were revealed as sensitive blood biomarkers in SCA3. Concerning potential predictive markers, hyporeflexia and abnormalities of somatosensory evoked potentials showed correlations with the time to ataxia onset in SCA2 carriers. However, no longitudinal data were found for the other SCA gene carriers. Conclusions Our results suggest that preataxic manifestations vary among SCA1, -2, -3, and -6, with some subtypes sharing specific features. Combining various markers into a standardized index for premanifest carriers may be useful for early screening and assessing the risk of disease progression in SCA carriers.
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Affiliation(s)
- Dong Hoi Kim
- Seoul National University College of Medicine, Seoul, Korea.,Department of Neurology, Seoul National University-Seoul Metropolitan Government Boramae Medical Center, Seoul National University College of Medicine, Seoul, Korea
| | - Ryul Kim
- Department of Neurology, Inha University Hospital, Incheon, Korea
| | - Jee Young Lee
- Seoul National University College of Medicine, Seoul, Korea.,Department of Neurology, Seoul National University-Seoul Metropolitan Government Boramae Medical Center, Seoul National University College of Medicine, Seoul, Korea.
| | - Kyoung Min Lee
- Seoul National University College of Medicine, Seoul, Korea.,Department of Neurology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea
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12
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Potential roles of telomeres and telomerase in neurodegenerative diseases. Int J Biol Macromol 2020; 163:1060-1078. [DOI: 10.1016/j.ijbiomac.2020.07.046] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 06/23/2020] [Accepted: 07/06/2020] [Indexed: 12/16/2022]
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13
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Prieto-Oliveira P. Telomerase activation in the treatment of aging or degenerative diseases: a systematic review. Mol Cell Biochem 2020; 476:599-607. [PMID: 33001374 DOI: 10.1007/s11010-020-03929-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2020] [Accepted: 09/24/2020] [Indexed: 12/12/2022]
Abstract
Telomeres are protective structures that are shortened during the lifetime, resulting in aging and degenerative diseases. Subjects experiencing aging and degenerative disorders present smaller telomeres than young and healthy ones. The size of these structures can be stabilized by telomerase, an enzyme which is inactive in adult tissues but functional in fetal and newborn tissues and adult testes and ovaries. The aim of this study was to perform a systematic review to evaluate the effect of telomerase activation in the treatment of degenerative and aging disorders. We accomplished the search using the Pubmed interface for papers published from September 1985 to April 16th, 2020. We found twenty one studies that matched our eligibility criteria. I concluded that telomerase is probably a potential and safe treatment for aging and degenerative diseases, demonstrating neither side effects nor risk of cancer in the selected studies. Further studies in humans are needed to confirm safety and efficiency of this treatment.
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Affiliation(s)
- P Prieto-Oliveira
- Laboratory of Retrovirology, Department of Microbiology, Immunology and Parasitology, Federal University of São Paulo, Pedro de Toledo Street 781, 16th Floor, Retrovirology, Vila Clementino, São Paulo, SP, CEP: 04039-032, Brazil.
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14
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Wang L, Zhang L. Circulating Exosomal miRNA as Diagnostic Biomarkers of Neurodegenerative Diseases. Front Mol Neurosci 2020; 13:53. [PMID: 32351363 PMCID: PMC7174585 DOI: 10.3389/fnmol.2020.00053] [Citation(s) in RCA: 89] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Accepted: 03/17/2020] [Indexed: 02/06/2023] Open
Abstract
Neurodegenerative diseases (NDDs) are a group of diseases caused by chronic and progressive degeneration of neural tissue. The main pathological manifestations are neuronal degeneration and loss in the brain and/or spinal cord. Common NDDs include Alzheimer disease (AD), Parkinson disease (PD), Huntington disease (HD), and amyotrophic lateral sclerosis (ALS). The complicated pathological characteristics and different clinical manifestations of NDDs result in a lack of sensitive and efficient diagnostic methods. In addition, no sensitive biomarkers are available to monitor the course of NDDs, predict their prognosis, and monitor the therapeutic response. Despite extensive research in recent years, analysis of amyloid β (Aβ) and α-synuclein has failed to effectively improve NDD diagnosis. Although recent studies have indicated circulating miRNAs as promising diagnostic biomarkers of NDDs, the miRNA in the peripheral circulation is susceptible to interference by other components, making circulating miRNA results less consistent. Exosomes are small membrane vesicles with a diameter of approximately 30-100 nm that transport proteins, lipids, mRNA, and miRNA. Because recent studies have shown that exosomes have a double-membrane structure that can resist ribonuclease in the blood, giving exosomal miRNA high stability and making them resistant to degradation, they may become an ideal biomarker of circulating fluids. In this review, we discuss the applicability of circulating exosomal miRNAs as biomarkers, highlight the technical aspects of exosomal miRNA analysis, and review studies that have used circulating exosomal miRNAs as candidate diagnostic biomarkers of NDDs.
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Affiliation(s)
- Lin Wang
- Department of Emergency Medicine, Shengjing Hospital of China Medical University, Shenyang, China
| | - Lijuan Zhang
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, China
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15
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Scarabino D, Peconi M, Broggio E, Gambina G, Maggi E, Armeli F, Mantuano E, Morello M, Corbo RM, Businaro R. Relationship between proinflammatory cytokines (Il-1beta, Il-18) and leukocyte telomere length in mild cognitive impairment and Alzheimer's disease. Exp Gerontol 2020; 136:110945. [PMID: 32289486 DOI: 10.1016/j.exger.2020.110945] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Revised: 04/06/2020] [Accepted: 04/06/2020] [Indexed: 01/25/2023]
Abstract
Inflammation plays a crucial role in Alzheimer's disease (AD). AD neurodegeneration and concurrent involvement of the peripheral immune system may promote leukocyte division and telomere shortening. We examined genotypes and plasma levels of two proinflammatory cytokines, IL-1beta and IL-18, and leukocyte telomere length (LTL) in patients with mild cognitive impairment (MCI) and AD. We wanted to determine whether changes in plasma IL-1beta and IL-18 levels, together with LTL shortening, could be diagnostic for disease progression from MCI to AD. Median plasma IL-1beta levels were in the order MCI patients (2.2 pg/ml) < AD patients (4.0 pg/ml), both of which differed significantly from the controls (0.0 pg/ml). In the AD patients, the lowest IL-1beta levels were associated with the presence of the C allele of IL-1beta rs16944 SNP. Median plasma IL-18 levels were in the order MCI patients (116.3 pg/ml) > AD patients (85.8 pg/ml), both of which were significantly higher than in the controls (17.6 pg/ml). Analysis of LTL showed a progressive reduction in the order controls > MCI > AD patients (p < 0.0001). Overall LTL reduction was correlated with increased plasma IL-1beta levels, substantiating the hypothesis that inflammatory processes secondary to neuroinflammation may trigger telomere attrition. Changes in plasma IL-1beta and Il-18 levels, and LTL seem to reflect shifts in AD stage; they may have potential use as blood biomarkers to monitor disease onset and progression from MCI to AD.
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Affiliation(s)
- D Scarabino
- Institute of Molecular Biology and Pathology, National Research Council, Rome, Italy
| | - M Peconi
- Department of Human Neuroscience, Sapienza University of Rome, Rome, Italy
| | - E Broggio
- Alzheimer's Disease Center, Department of Neuroscience, University and Hospital of Verona, Verona, Italy
| | - G Gambina
- Alzheimer's Disease Center, Department of Neuroscience, University and Hospital of Verona, Verona, Italy
| | - E Maggi
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Italy
| | - F Armeli
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Italy
| | - E Mantuano
- Institute of Translational Pharmacology, National Research Council, Rome, Italy
| | - M Morello
- Department of Experimental Medicine and Surgery, Tor Vergata University, Rome, Italy
| | - R M Corbo
- Department of Biology and Biotechnology, La Sapienza University, Rome, Italy.
| | - R Businaro
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Italy
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16
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Abstract
Huntington's disease (HD) is a fatal, inherited neurodegenerative disorder caused by a mutation in the huntingtin gene (HTT). While mutant HTT is present ubiquitously throughout life, HD onset typically occurs in mid-life, suggesting that aging may play an active role in pathogenesis. Cellular aging is defined as the slow decline in stress resistance and accumulation of damage over time. While different cells and tissues can age at different rates, 9 hallmarks of aging have emerged to better define the cellular aging process. Strikingly, many of the hallmarks of aging are also hallmarks of HD pathology. Models of HD and HD patients possess markers of accelerated aging, and processes that decline during aging also decline at a more rapid rate in HD, further implicating the role of aging in HD pathogenesis. Furthermore, accelerating aging in HD mouse and patient-derived neurons unmasks HD-specific phenotypes, suggesting an active role for the aging process in the onset and progression of HD. Here, we review the overlap between the hallmarks of aging and HD and discuss how aging may contribute to pathogenesis in HD.
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Affiliation(s)
- Emily Machiela
- University of Central Florida, College of Medicine, Burnett School of Biomedical Sciences, Orlando, FL, USA
| | - Amber L. Southwell
- University of Central Florida, College of Medicine, Burnett School of Biomedical Sciences, Orlando, FL, USA
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17
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PerezGrovas-Saltijeral A, Ochoa-Morales A, Miranda-Duarte A, Martínez-Ruano L, Jara-Prado A, Camacho-Molina A, Hidalgo-Bravo A. Telomere length analysis on leukocytes derived from patients with Huntington Disease. Mech Ageing Dev 2020; 185:111189. [DOI: 10.1016/j.mad.2019.111189] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Revised: 10/30/2019] [Accepted: 11/19/2019] [Indexed: 02/03/2023]
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18
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Mantuano E, Peconi M, Scarabino D. Can leukocyte telomere shortening be a possible biomarker to track Huntington's disease progression? Neural Regen Res 2019; 14:1709-1710. [PMID: 31169183 PMCID: PMC6585568 DOI: 10.4103/1673-5374.257522] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Accepted: 03/07/2019] [Indexed: 11/24/2022] Open
Affiliation(s)
- Elide Mantuano
- CNR Institute of Translational Pharmacology, Rome, Italy
| | - Martina Peconi
- CNR Institute of Translational Pharmacology, Rome, Italy
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