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Sharma M, Tanwar AK, Purohit PK, Pal P, Kumar D, Vaidya S, Prajapati SK, Kumar A, Dhama N, Kumar S, Gupta SK. Regulatory roles of microRNAs in modulating mitochondrial dynamics, amyloid beta fibrillation, microglial activation, and cholinergic signaling: Implications for alzheimer's disease pathogenesis. Neurosci Biobehav Rev 2024; 161:105685. [PMID: 38670299 DOI: 10.1016/j.neubiorev.2024.105685] [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: 02/13/2024] [Revised: 04/19/2024] [Accepted: 04/20/2024] [Indexed: 04/28/2024]
Abstract
Alzheimer's Disease (AD) remains a formidable challenge due to its complex pathology, notably involving mitochondrial dysfunction and dysregulated microRNA (miRNA) signaling. This study delves into the underexplored realm of miRNAs' impact on mitochondrial dynamics and their interplay with amyloid-beta (Aβ) aggregation and tau pathology in AD. Addressing identified gaps, our research utilizes advanced molecular techniques and AD models, alongside patient miRNA profiles, to uncover miRNAs pivotal in mitochondrial regulation. We illuminate novel miRNAs influencing mitochondrial dynamics, Aβ, and tau, offering insights into their mechanistic roles in AD progression. Our findings not only enhance understanding of AD's molecular underpinnings but also spotlight miRNAs as promising therapeutic targets. By elucidating miRNAs' roles in mitochondrial dysfunction and their interactions with hallmark AD pathologies, our work proposes innovative strategies for AD therapy, aiming to mitigate disease progression through targeted miRNA modulation. This contribution marks a significant step toward novel AD treatments, emphasizing the potential of miRNAs in addressing this complex disease.
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Affiliation(s)
- Monika Sharma
- Department of Pharmacology, Faculty of Pharmacy, Swami Vivekanand Subharti University, Meerut, Uttar Pradesh, India.
| | - Ankur Kumar Tanwar
- Department of Pharmacy, Meerut Institute of Engineering and Technology, Meerut, Uttar Pradesh, India
| | | | - Pankaj Pal
- Department of Pharmacy, Banasthali Vidyapith, Rajasthan, India.
| | - Devendra Kumar
- Department of Pharmaceutical Chemistry, NMIMS School of Pharmacy and Management, SVKM's Narsee Monjee Institute of Management Studies (NMIMS), Shirpur Campus, Dhule, Maharashtra, India
| | - Sandeep Vaidya
- CSIR-Indian Institute of Chemical Technology, Hyderabad, Telangana, India
| | | | - Aadesh Kumar
- Faculty of Pharmacy, Department of Pharmaceutical Chemistry, Swami Vivekanand Subharti University, Meerut, Uttar Pradesh, India
| | - Nidhi Dhama
- Faculty of Pharmacy, Department of Pharmaceutical Chemistry, Swami Vivekanand Subharti University, Meerut, Uttar Pradesh, India
| | - Sokindra Kumar
- Department of Pharmacology, Faculty of Pharmacy, Swami Vivekanand Subharti University, Meerut, Uttar Pradesh, India
| | - Sukesh Kumar Gupta
- Department of Ophthalmology, Visual and Anatomical Sciences (OVAS), School of Medicine, Wayne State University, USA.
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Tiwari P, Yadav A, Kaushik M, Dada R. Cancer risk and male Infertility: Unravelling predictive biomarkers and prognostic indicators. Clin Chim Acta 2024; 558:119670. [PMID: 38614420 DOI: 10.1016/j.cca.2024.119670] [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: 01/01/2024] [Revised: 04/08/2024] [Accepted: 04/10/2024] [Indexed: 04/15/2024]
Abstract
In recent years, there has been a global increase in cases of male infertility. There are about 30 million cases of male infertility worldwide and male reproductive health is showing rapid decline in last few decades. It is now recognized as a potential risk factor for developing certain types of cancer, particularly genitourinary malignancies like testicular and prostate cancer. Male infertility is considered a potential indicator of overall health and an early biomarker for cancer. Cases of unexplained male factor infertility have high levels of oxidative stress and oxidative DNA damage and this induces both denovo germ line mutations and epimutations due to build up of 8-hydroxy 2 deoxygunaosine abase which is highly mutagenic and also induces hypomethylation and genomic instability. Consequently, there is growing evidence to explore the various factors contributing to an increased cancer risk. Currently, the available prognostic and predictive biomarkers associated with semen characteristics and cancer risk are limited but gaining significant attention in clinical research for the diagnosis and treatment of elevated cancer risk in the individual and in offspring. The male germ cell being transcriptionally and translationally inert has a highly truncated repair mechanism and has minimal antioxidants and thus most vulnerable to oxidative injury due to environmental factors and unhealthy lifestyle and social habits. Therefore, advancing our understanding requires a thorough evaluation of the pathophysiologic mechanisms at the DNA, RNA, protein, and metabolite levels to identify key biomarkers that may underlie the pathogenesis of male infertility and associated cancer. Advanced methodologies such as genomics, epigenetics, proteomics, transcriptomics, and metabolomics stand at the forefront of cutting-edge approaches for discovering novel biomarkers, spanning from infertility to associated cancer types. Henceforth, in this review, we aim to assess the role and potential of recently identified predictive and prognostic biomarkers, offering insights into the success of assisted reproductive technologies, causes of azoospermia and idiopathic infertility, the impact of integrated holistic approach and lifestyle modifications, and the monitoring of cancer susceptibility, initiation and progression. Comprehending these biomarkers is crucial for providing comprehensive counselling to infertile men and cancer patients, along with their families.
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Affiliation(s)
- Prabhakar Tiwari
- Lab for Molecular Reproduction and Genetics, Department of Anatomy, All India Institute of Medical Sciences (AIIMS), New Delhi 110029, India.
| | - Anjali Yadav
- Lab for Molecular Reproduction and Genetics, Department of Anatomy, All India Institute of Medical Sciences (AIIMS), New Delhi 110029, India
| | - Meenakshi Kaushik
- Lab for Molecular Reproduction and Genetics, Department of Anatomy, All India Institute of Medical Sciences (AIIMS), New Delhi 110029, India
| | - Rima Dada
- Lab for Molecular Reproduction and Genetics, Department of Anatomy, All India Institute of Medical Sciences (AIIMS), New Delhi 110029, India.
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Vijayan M, Reddy PH. Unveiling the Role of Novel miRNA PC-5P-12969 in Alleviating Alzheimer's Disease. J Alzheimers Dis 2024; 98:1329-1348. [PMID: 38552115 DOI: 10.3233/jad-231281] [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] [Indexed: 04/20/2024]
Abstract
Background The intricate and complex molecular mechanisms that underlie the progression of Alzheimer's disease (AD) have prompted a concerted and vigorous research endeavor aimed at uncovering potential avenues for therapeutic intervention. Objective This study aims to elucidate the role of miRNA PC-5P-12969 in the pathogenesis of AD. Methods We assessed the differential expression of miRNA PC-5P-12969 in postmortem AD brains, AD animal and cell models using real-time reverse-transcriptase RT-PCR, we also checked the gene and protein expression of GSK3α and APP. Results Our investigation revealed a notable upregulation of miRNA PC-5P-12969 in postmortem brains of AD patients, in transgenic mouse models of AD, and in mutant APP overexpressing-HT22 cells. Additionally, our findings indicate that overexpression of miRNA PC-5P-12969 exerts a protective effect on cell survival, while concurrently mitigating apoptotic cell death. Further-more, we established a robust and specific interaction between miRNA PC-5P-12969 and GSK3α. Our luciferase reporter assays provided confirmation of the binding between miRNA PC-5P-12969 and the 3'-UTR of the GSK3α gene. Manipulation of miRNA PC-5P-12969 levels in cellular models of AD yielded noteworthy alterations in the gene and protein expression levels of both GSK3α and APP. Remarkably, the manipulation of miRNA PC-5P-12969 levels yielded significant enhancements in mitochondrial respiration and ATP production, concurrently with a reduction in mitochondrial fragmentation, thus unveiling a potential regulatory role of miRNA PC-5P-12969 in these vital cellular processes. Conclusions In summary, this study sheds light on the crucial role of miRNA PC-5P-12969 and its direct interaction with GSK3α in the context of AD.
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Affiliation(s)
- Murali Vijayan
- Department of Internal Medicine, Texas Tech University Health Sciences Center, Lubbock, TX, USA
| | - P Hemachandra Reddy
- Department of Internal Medicine, Texas Tech University Health Sciences Center, Lubbock, TX, USA
- Department of Pharmacology and Neuroscience Department, Texas Tech University Health Sciences Center, Lubbock, TX, USA
- Department of Neurology Department, Texas Tech University Health Sciences Center, Lubbock, TX, USA
- Department of Speech, Language and Hearing Sciences Departments, Texas Tech University Health Sciences Center, Lubbock, TX, USA
- Department of Public Health, Texas Tech University Health Sciences Center, Lubbock, TX, USA
- Nutritional Sciences Department, Texas Tech University, Lubbock, TX, USA
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Gkekas I, Vagiona AC, Pechlivanis N, Kastrinaki G, Pliatsika K, Iben S, Xanthopoulos K, Psomopoulos FE, Andrade-Navarro MA, Petrakis S. Intranuclear inclusions of polyQ-expanded ATXN1 sequester RNA molecules. Front Mol Neurosci 2023; 16:1280546. [PMID: 38125008 PMCID: PMC10730666 DOI: 10.3389/fnmol.2023.1280546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 11/16/2023] [Indexed: 12/23/2023] Open
Abstract
Spinocerebellar ataxia type 1 (SCA1) is an autosomal dominant neurodegenerative disease caused by a trinucleotide (CAG) repeat expansion in the ATXN1 gene. It is characterized by the presence of polyglutamine (polyQ) intranuclear inclusion bodies (IIBs) within affected neurons. In order to investigate the impact of polyQ IIBs in SCA1 pathogenesis, we generated a novel protein aggregation model by inducible overexpression of the mutant ATXN1(Q82) isoform in human neuroblastoma SH-SY5Y cells. Moreover, we developed a simple and reproducible protocol for the efficient isolation of insoluble IIBs. Biophysical characterization showed that polyQ IIBs are enriched in RNA molecules which were further identified by next-generation sequencing. Finally, a protein interaction network analysis indicated that sequestration of essential RNA transcripts within ATXN1(Q82) IIBs may affect the ribosome resulting in error-prone protein synthesis and global proteome instability. These findings provide novel insights into the molecular pathogenesis of SCA1, highlighting the role of polyQ IIBs and their impact on critical cellular processes.
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Affiliation(s)
- Ioannis Gkekas
- Centre for Research and Technology Hellas, Institute of Applied Biosciences, Thessaloniki, Greece
- Laboratory of Pharmacology, School of Pharmacy, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | | | - Nikolaos Pechlivanis
- Centre for Research and Technology Hellas, Institute of Applied Biosciences, Thessaloniki, Greece
| | - Georgia Kastrinaki
- Aerosol and Particle Technology Laboratory, Centre for Research and Technology Hellas, Chemical Process and Energy Resources Institute, Thessaloniki, Greece
| | - Katerina Pliatsika
- Centre for Research and Technology Hellas, Institute of Applied Biosciences, Thessaloniki, Greece
- Laboratory of Pharmacology, School of Pharmacy, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Sebastian Iben
- Department of Dermatology and Allergic Diseases, University of Ulm, Ulm, Germany
| | - Konstantinos Xanthopoulos
- Centre for Research and Technology Hellas, Institute of Applied Biosciences, Thessaloniki, Greece
- Laboratory of Pharmacology, School of Pharmacy, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Fotis E. Psomopoulos
- Centre for Research and Technology Hellas, Institute of Applied Biosciences, Thessaloniki, Greece
| | | | - Spyros Petrakis
- Centre for Research and Technology Hellas, Institute of Applied Biosciences, Thessaloniki, Greece
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Mohamed AS, Abdel-Fattah DS, Abdel-Aleem GA, El-Sheikh TF, Elbatch MM. Biochemical study of the effect of mesenchymal stem cells-derived exosome versus L-Dopa in experimentally induced Parkinson's disease in rats. Mol Cell Biochem 2023; 478:2795-2811. [PMID: 36966421 PMCID: PMC10627934 DOI: 10.1007/s11010-023-04700-8] [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: 01/01/2023] [Accepted: 03/02/2023] [Indexed: 03/27/2023]
Abstract
Parkinson's disease (PD) is a chronic and ongoing neurological condition. Unfortunately, as the dopaminergic terminals continue to deteriorate, the effectiveness of anti-Parkinson therapy decreases. This study aimed to examine the effects of BM-MSCs-derived exosomes in rats induced with Parkinson's disease. The goal was to determine their potential for neurogenic repair and functional restoration. Forty male albino rats were divided into four groups: control (group I), PD (group II), PD-L-Dopa (group III), and PD-exosome (group IV). Motor tests, histopathological examinations, and immunohistochemistry for tyrosine hydroxylase were performed on brain tissue. The levels of α-synuclein, DJ-1, PARKIN, circRNA.2837, and microRNA-34b were measured in brain homogenates. Rotenone induced motor deficits and neuronal alterations. Groups (III) and (IV) showed improvement in motor function, histopathology, α-synuclein, PARKIN, and DJ-1 compared to group (II). Group (IV) showed improvement in microRNA-34b and circRNA.2837 compared to groups (III) and (II). MSC-derived exosomes showed a greater suppression of neurodegenerative disease (ND) compared to L-Dopa in Parkinson's patients.
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Affiliation(s)
- Asmaa S Mohamed
- Medical Biochemistry Department, Faculty of Medicine, Tanta University, El-Geish Street, Tanta, El Gharbia, Egypt.
| | - Dina S Abdel-Fattah
- Medical Biochemistry Department, Faculty of Medicine, Cairo University, Giza, Egypt
| | - Ghada A Abdel-Aleem
- Medical Biochemistry Department, Faculty of Medicine, Tanta University, El-Geish Street, Tanta, El Gharbia, Egypt
| | - Thanaa F El-Sheikh
- Medical Biochemistry Department, Faculty of Medicine, Tanta University, El-Geish Street, Tanta, El Gharbia, Egypt
| | - Manal M Elbatch
- Medical Biochemistry Department, Faculty of Medicine, Tanta University, El-Geish Street, Tanta, El Gharbia, Egypt
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6
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Gschwendtberger T, Thau-Habermann N, von der Ohe J, Luo T, Hass R, Petri S. Protective effects of EVs/exosomes derived from permanently growing human MSC on primary murine ALS motor neurons. Neurosci Lett 2023; 816:137493. [PMID: 37774774 DOI: 10.1016/j.neulet.2023.137493] [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: 06/15/2023] [Revised: 08/29/2023] [Accepted: 09/19/2023] [Indexed: 10/01/2023]
Abstract
In recent years, the neuroprotective potential of mesenchymal stroma-/stem-like cells (MSC) as well as of MSC-derived extracellular vesicles (EVs) like exosomes has been intensively explored. This included preclinical evaluation regarding treatment of neurodegenerative disorders such as the fatal motor neuron disease amyotrophic Lateral Sclerosis (ALS). Several studies have reported that MSC-derived exosomes can stimulate tissue regeneration and reduce inflammation. MSC release EVs and trophic factors and thereby modify cell-to-cell communication. These cell-free products may protect degenerating motor neurons (MNs) and represent a potential therapeutic approach for ALS. In the present study we investigated the effects of exosomes derived from a permanently growing MSC line on both, wild type and ALS (SOD1G93A transgenic) primary motor neurons. Following application in a normal and stressed environment we could demonstrate beneficial effects of MSC exosomes on neurite growth and morphology indicating the potential for further preclinical evaluation and clinical therapeutic development. Investigation of gene expression profiles detected transcripts of several antioxidant and anti-inflammatory genes in MSC exosomes. Characterization of their microRNA (miRNA) content revealed miRNAs capable of regulating antioxidant and anti-apoptotic pathways.
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Affiliation(s)
- Thomas Gschwendtberger
- Department of Neurology, Hannover Medical School, Hannover 30625, Germany; Center for Systems Neuroscience (ZSN), Hannover, Germany
| | | | - Juliane von der Ohe
- Biochemistry and Tumor Biology Lab, Department of Obstetrics and Gynecology, Hannover Medical School, Hannover 30625, Germany
| | - Tianjiao Luo
- Biochemistry and Tumor Biology Lab, Department of Obstetrics and Gynecology, Hannover Medical School, Hannover 30625, Germany
| | - Ralf Hass
- Biochemistry and Tumor Biology Lab, Department of Obstetrics and Gynecology, Hannover Medical School, Hannover 30625, Germany.
| | - Susanne Petri
- Department of Neurology, Hannover Medical School, Hannover 30625, Germany; Center for Systems Neuroscience (ZSN), Hannover, Germany.
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Bhatnagar D, Ladhe S, Kumar D. Discerning the Prospects of miRNAs as a Multi-Target Therapeutic and Diagnostic for Alzheimer's Disease. Mol Neurobiol 2023; 60:5954-5974. [PMID: 37386272 DOI: 10.1007/s12035-023-03446-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 06/14/2023] [Indexed: 07/01/2023]
Abstract
Although over the last few decades, numerous attempts have been made to halt Alzheimer's disease (AD) progression and mitigate its symptoms, only a few have been proven beneficial. Most medications available, still only cater to the symptoms of the disease rather than fixing the cause at the root level. A novel approach involving the use of miRNAs, which work on the principle of gene silencing, is being explored by scientists. Naturally present miRNAs in the biological system help to regulate various genes than may be implicated in AD-like BACE-1 and APP. One miRNA thus, holds the power to keep a check on several genes, conferring it the ability to be used as a multi-target therapeutic. With aging and the onset of diseased pathology, dysregulation of these miRNAs is observed. This flawed miRNA expression is responsible for the unusual buildup of amyloid proteins, fibrillation of tau proteins in the brain, neuronal death and other hallmarks leading to AD. The use of miRNA mimics and miRNA inhibitors provides an attractive perspective for fixing the upregulation and downregulation of miRNAs that led to abnormal cellular activities. Furthermore, the detection of miRNAs in the CSF and serum of diseased patients might be considered an earlier biomarker for the disease. While most of the therapies designed around AD have not succeeded completely, the targeting of dysregulated miRNAs in AD patients might give a new direction to scholars to develop an effective treatment for Alzheimer's disease.
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Affiliation(s)
- Devyani Bhatnagar
- Department of Pharmaceutical Chemistry, Poona College of Pharmacy, Bharati Vidyapeeth (Deemed to Be University), Erandwane, Pune, 411038, Maharashtra, India
| | - Shreya Ladhe
- Department of Pharmaceutical Chemistry, Poona College of Pharmacy, Bharati Vidyapeeth (Deemed to Be University), Erandwane, Pune, 411038, Maharashtra, India
| | - Dileep Kumar
- Department of Pharmaceutical Chemistry, Poona College of Pharmacy, Bharati Vidyapeeth (Deemed to Be University), Erandwane, Pune, 411038, Maharashtra, India.
- Department of Entomology, University of California, Davis, One Shields Ave, Davis, CA, 95616, USA.
- UC Davis Comprehensive Cancer Center, University of California, Davis, One Shields Ave, Davis, CA, 95616, USA.
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8
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Sneha NP, Dharshini SAP, Taguchi YH, Gromiha MM. Investigating Neuron Degeneration in Huntington's Disease Using RNA-Seq Based Transcriptome Study. Genes (Basel) 2023; 14:1801. [PMID: 37761940 PMCID: PMC10530489 DOI: 10.3390/genes14091801] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Revised: 09/02/2023] [Accepted: 09/11/2023] [Indexed: 09/29/2023] Open
Abstract
Huntington's disease (HD) is a progressive neurodegenerative disorder caused due to a CAG repeat expansion in the huntingtin (HTT) gene. The primary symptoms of HD include motor dysfunction such as chorea, dystonia, and involuntary movements. The primary motor cortex (BA4) is the key brain region responsible for executing motor/movement activities. Investigating patient and control samples from the BA4 region will provide a deeper understanding of the genes responsible for neuron degeneration and help to identify potential markers. Previous studies have focused on overall differential gene expression and associated biological functions. In this study, we illustrate the relationship between variants and differentially expressed genes/transcripts. We identified variants and their associated genes along with the quantification of genes and transcripts. We also predicted the effect of variants on various regulatory activities and found that many variants are regulating gene expression. Variants affecting miRNA and its targets are also highlighted in our study. Co-expression network studies revealed the role of novel genes. Function interaction network analysis unveiled the importance of genes involved in vesicle-mediated transport. From this unified approach, we propose that genes expressed in immune cells are crucial for reducing neuron death in HD.
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Affiliation(s)
- Nela Pragathi Sneha
- Department of Biotechnology, Bhupat and Jyoti Mehta School of Biosciences, Indian Institute of Technology Madras, Chennai 600036, Tamil Nadu, India; (N.P.S.); (S.A.P.D.)
| | - S. Akila Parvathy Dharshini
- Department of Biotechnology, Bhupat and Jyoti Mehta School of Biosciences, Indian Institute of Technology Madras, Chennai 600036, Tamil Nadu, India; (N.P.S.); (S.A.P.D.)
| | - Y.-h. Taguchi
- Department of Physics, Chuo University, Kasuga, Bunkyo-ku, Tokyo 112-8551, Japan;
| | - M. Michael Gromiha
- Department of Biotechnology, Bhupat and Jyoti Mehta School of Biosciences, Indian Institute of Technology Madras, Chennai 600036, Tamil Nadu, India; (N.P.S.); (S.A.P.D.)
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Kondashevskaya MV, Mikhaleva LM, Artem’yeva KA, Aleksankina VV, Areshidze DA, Kozlova MA, Pashkov AA, Manukhina EB, Downey HF, Tseilikman OB, Yegorov ON, Zhukov MS, Fedotova JO, Karpenko MN, Tseilikman VE. Unveiling the Link: Exploring Mitochondrial Dysfunction as a Probable Mechanism of Hepatic Damage in Post-Traumatic Stress Syndrome. Int J Mol Sci 2023; 24:13012. [PMID: 37629192 PMCID: PMC10455150 DOI: 10.3390/ijms241613012] [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: 06/10/2023] [Revised: 08/14/2023] [Accepted: 08/17/2023] [Indexed: 08/27/2023] Open
Abstract
PTSD is associated with disturbed hepatic morphology and metabolism. Neuronal mitochondrial dysfunction is considered a subcellular determinant of PTSD, but a link between hepatic mitochondrial dysfunction and hepatic damage in PTSD has not been demonstrated. Thus, the effects of experimental PTSD on the livers of high anxiety (HA) and low anxiety (LA) rats were compared, and mitochondrial determinants underlying the difference in their hepatic damage were investigated. Rats were exposed to predator stress for 10 days. Then, 14 days post-stress, the rats were evaluated with an elevated plus maze and assigned to HA and LA groups according to their anxiety index. Experimental PTSD caused dystrophic changes in hepatocytes of HA rats and hepatocellular damage evident by increased plasma ALT and AST activities. Mitochondrial dysfunction was evident as a predominance of small-size mitochondria in HA rats, which was positively correlated with anxiety index, activities of plasma transaminases, hepatic lipids, and negatively correlated with hepatic glycogen. In contrast, LA rats had a predominance of medium-sized mitochondria. Thus, we show links between mitochondrial dysfunction, hepatic damage, and heightened anxiety in PTSD rats. These results will provide a foundation for future research on the role of hepatic dysfunction in PTSD pathogenesis.
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Affiliation(s)
- Marina V. Kondashevskaya
- A.P. Avtsyn Research Institute of Human Morphology, B.V. Petrovsky National Research Center of Surgery, Moscow 119991, Russia (L.M.M.)
| | - Lyudmila M. Mikhaleva
- A.P. Avtsyn Research Institute of Human Morphology, B.V. Petrovsky National Research Center of Surgery, Moscow 119991, Russia (L.M.M.)
| | - Kseniya A. Artem’yeva
- A.P. Avtsyn Research Institute of Human Morphology, B.V. Petrovsky National Research Center of Surgery, Moscow 119991, Russia (L.M.M.)
| | - Valentina V. Aleksankina
- A.P. Avtsyn Research Institute of Human Morphology, B.V. Petrovsky National Research Center of Surgery, Moscow 119991, Russia (L.M.M.)
| | - David A. Areshidze
- A.P. Avtsyn Research Institute of Human Morphology, B.V. Petrovsky National Research Center of Surgery, Moscow 119991, Russia (L.M.M.)
| | - Maria A. Kozlova
- A.P. Avtsyn Research Institute of Human Morphology, B.V. Petrovsky National Research Center of Surgery, Moscow 119991, Russia (L.M.M.)
| | - Anton A. Pashkov
- Scientific and Educational Center ‘Biomedical Technologies’, School of Medical Biology, South Ural State University, Chelyabinsk 454080, Russia
- Federal Neurosurgical Center, Novosibirsk 630048, Russia
| | - Eugenia B. Manukhina
- Department of Physiology and Anatomy, University of North Texas Health Science Center, Fort Worth, TX 76107, USA
- Institute of General Pathology and Pathophysiology, Moscow 125315, Russia
| | - H. Fred Downey
- Department of Physiology and Anatomy, University of North Texas Health Science Center, Fort Worth, TX 76107, USA
| | - Olga B. Tseilikman
- Scientific and Educational Center ‘Biomedical Technologies’, School of Medical Biology, South Ural State University, Chelyabinsk 454080, Russia
- Faculty of Basic Medicine, Chelyabinsk State University, Chelyabinsk 454080, Russia
| | - Oleg N. Yegorov
- Faculty of Basic Medicine, Chelyabinsk State University, Chelyabinsk 454080, Russia
| | - Maxim S. Zhukov
- A.P. Avtsyn Research Institute of Human Morphology, B.V. Petrovsky National Research Center of Surgery, Moscow 119991, Russia (L.M.M.)
| | - Julia O. Fedotova
- Laboratory of Neuroendocrinology, Pavlov Institute of Physiology, Saint Petersburg 199034, Russia
| | - Marina N. Karpenko
- Department of Physiology, Pavlov Institute of Experimental Medicine, Saint Petersburg 197376, Russia
| | - Vadim E. Tseilikman
- Scientific and Educational Center ‘Biomedical Technologies’, School of Medical Biology, South Ural State University, Chelyabinsk 454080, Russia
- Zelman Institute of Medicine and Psychology, Novosibirsk State University, Novosibirsk 630090, Russia
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10
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Russo P, Lauria F, Sirangelo I, Siani A, Iacomino G. Association between Urinary AGEs and Circulating miRNAs in Children and Adolescents with Overweight and Obesity from the Italian I.Family Cohort: A Pilot Study. J Clin Med 2023; 12:5362. [PMID: 37629404 PMCID: PMC10455100 DOI: 10.3390/jcm12165362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 07/22/2023] [Accepted: 08/14/2023] [Indexed: 08/27/2023] Open
Abstract
Modern dietary habits are linked to high exposure to Advanced Glycation End products (AGEs) mainly due to the dramatic increase in the consumption of highly processed foods in recent years. Body levels of these compounds vary with food intake and are almost interconnected with age and health status, formally embodying indicators of oxidative stress and inflammation in adults. However, the relationship between AGEs and health issues has not been definitively understood in children, and several pediatric investigations have produced conflicting evidence. Besides, despite extensive research, there are no universally accepted analytical techniques for measuring AGE levels in the human body, with several approaches available, each with its advantages and disadvantages. This pilot study aimed to investigate the association between urinary AGEs, measured using spectrofluorimetry-based assays, and circulating microRNAs (c-miRNAs) in a subsample (n = 22) of Italian children participating in the I.Family Study. Anthropometric measurements, biochemical markers, and miRNA profiles were assessed. The first indication of a relationship between urinary AGEs and c-miRNAs in the context of obesity was found. Specifically, four miRNAs, hsa-miR-10b-5p, hsa-miR-501-5p, hsa-miR-874-3p, and hsa-miR-2355-5p were significantly associated with levels of urinary AGEs. The association between AGEs, obesity, inflammation markers, and specific miRNAs highlights the complex interplay between these factors and their potential impact on cellular and tissue homeostasis. The discovery of altered c-miRNAs profiling has the potential to offer innovative methods for assessing early changes in the body's AGE pool and allow recognition of an increased risk of disease susceptibility, routinely undetected until metabolic complications are identified.
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Affiliation(s)
- Paola Russo
- Institute of Food Sciences, National Research Council, Via Roma 64, 83100 Avellino, Italy; (P.R.); (A.S.); (G.I.)
| | - Fabio Lauria
- Institute of Food Sciences, National Research Council, Via Roma 64, 83100 Avellino, Italy; (P.R.); (A.S.); (G.I.)
| | - Ivana Sirangelo
- Department of Precision Medicine, School of Medicine and Surgery, University of Campania “Luigi Vanvitelli”, S. Andrea Delle Dame-Via L. De Crecchio 7, 80138 Naples, Italy;
| | - Alfonso Siani
- Institute of Food Sciences, National Research Council, Via Roma 64, 83100 Avellino, Italy; (P.R.); (A.S.); (G.I.)
| | - Giuseppe Iacomino
- Institute of Food Sciences, National Research Council, Via Roma 64, 83100 Avellino, Italy; (P.R.); (A.S.); (G.I.)
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11
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Fišar Z, Hroudová J, Zvěřová M, Jirák R, Raboch J, Kitzlerová E. Age-Dependent Alterations in Platelet Mitochondrial Respiration. Biomedicines 2023; 11:1564. [PMID: 37371659 DOI: 10.3390/biomedicines11061564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2023] [Revised: 05/25/2023] [Accepted: 05/26/2023] [Indexed: 06/29/2023] Open
Abstract
Mitochondrial dysfunction is an important cellular hallmark of aging and neurodegeneration. Platelets are a useful model to study the systemic manifestations of mitochondrial dysfunction. To evaluate the age dependence of mitochondrial parameters, citrate synthase activity, respiratory chain complex activity, and oxygen consumption kinetics were assessed. The effect of cognitive impairment was examined by comparing the age dependence of mitochondrial parameters in healthy individuals and those with neuropsychiatric disease. The study found a significant negative slope of age-dependence for both the activity of individual mitochondrial enzymes (citrate synthase and complex II) and parameters of mitochondrial respiration in intact platelets (routine respiration, maximum capacity of electron transport system, and respiratory rate after complex I inhibition). However, there was no significant difference in the age-related changes of mitochondrial parameters between individuals with and without cognitive impairment. These findings highlight the potential of measuring mitochondrial respiration in intact platelets as a means to assess age-related mitochondrial dysfunction. The results indicate that drugs and interventions targeting mitochondrial respiration may have the potential to slow down or eliminate certain aging and neurodegenerative processes. Mitochondrial respiration in platelets holds promise as a biomarker of aging, irrespective of the degree of cognitive impairment.
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Affiliation(s)
- Zdeněk Fišar
- Department of Psychiatry, First Faculty of Medicine, Charles University and General University Hospital in Prague, Ke Karlovu 11, 120 00 Prague, 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, Czech Republic
| | - Martina Zvěřová
- Department of Psychiatry, First Faculty of Medicine, Charles University and General University Hospital in Prague, Ke Karlovu 11, 120 00 Prague, Czech Republic
| | - Roman Jirák
- Department of Psychiatry, First Faculty of Medicine, Charles University and General University Hospital in Prague, Ke Karlovu 11, 120 00 Prague, Czech Republic
| | - Jiří Raboch
- Department of Psychiatry, First Faculty of Medicine, Charles University and General University Hospital in Prague, Ke Karlovu 11, 120 00 Prague, Czech Republic
| | - Eva Kitzlerová
- Department of Psychiatry, First Faculty of Medicine, Charles University and General University Hospital in Prague, Ke Karlovu 11, 120 00 Prague, Czech Republic
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12
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Lim WQ, Michelle Luk KH, Lee KY, Nurul N, Loh SJ, Yeow ZX, Wong QX, Daniel Looi QH, Chong PP, How CW, Hamzah S, Foo JB. Small Extracellular Vesicles' miRNAs: Biomarkers and Therapeutics for Neurodegenerative Diseases. Pharmaceutics 2023; 15:pharmaceutics15041216. [PMID: 37111701 PMCID: PMC10143523 DOI: 10.3390/pharmaceutics15041216] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 03/10/2023] [Accepted: 03/16/2023] [Indexed: 04/29/2023] Open
Abstract
Neurodegenerative diseases are critical in the healthcare system as patients suffer from progressive diseases despite currently available drug management. Indeed, the growing ageing population will burden the country's healthcare system and the caretakers. Thus, there is a need for new management that could stop or reverse the progression of neurodegenerative diseases. Stem cells possess a remarkable regenerative potential that has long been investigated to resolve these issues. Some breakthroughs have been achieved thus far to replace the damaged brain cells; however, the procedure's invasiveness has prompted scientists to investigate using stem-cell small extracellular vesicles (sEVs) as a non-invasive cell-free therapy to address the limitations of cell therapy. With the advancement of technology to understand the molecular changes of neurodegenerative diseases, efforts have been made to enrich stem cells' sEVs with miRNAs to increase the therapeutic efficacy of the sEVs. In this article, the pathophysiology of various neurodegenerative diseases is highlighted. The role of miRNAs from sEVs as biomarkers and treatments is also discussed. Lastly, the applications and delivery of stem cells and their miRNA-enriched sEVs for treating neurodegenerative diseases are emphasised and reviewed.
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Affiliation(s)
- Wei Qing Lim
- School of Pharmacy, Faculty of Health and Medical Sciences, Taylor's University, Subang Jaya 47500, Selangor, Malaysia
| | - Kie Hoon Michelle Luk
- School of Pharmacy, Faculty of Health and Medical Sciences, Taylor's University, Subang Jaya 47500, Selangor, Malaysia
| | - Kah Yee Lee
- School of Pharmacy, Faculty of Health and Medical Sciences, Taylor's University, Subang Jaya 47500, Selangor, Malaysia
| | - Nasuha Nurul
- School of Pharmacy, Faculty of Health and Medical Sciences, Taylor's University, Subang Jaya 47500, Selangor, Malaysia
| | - Sin Jade Loh
- School of Pharmacy, Faculty of Health and Medical Sciences, Taylor's University, Subang Jaya 47500, Selangor, Malaysia
| | - Zhen Xiong Yeow
- School of Pharmacy, Faculty of Health and Medical Sciences, Taylor's University, Subang Jaya 47500, Selangor, Malaysia
| | - Qi Xuan Wong
- School of Pharmacy, Faculty of Health and Medical Sciences, Taylor's University, Subang Jaya 47500, Selangor, Malaysia
| | - Qi Hao Daniel Looi
- My CytoHealth Sdn. Bhd., Lab 6, DMC Level 2, Hive 5, Taman Teknologi MRANTI, Bukit Jalil, Kuala Lumpur 57000, Malaysia
| | - Pan Pan Chong
- National Orthopaedic Centre of Excellence for Research and Learning (NOCERAL), Department of Orthopaedic Surgery, Faculty of Medicine, Universiti Malaya, Kuala Lumpur 50603, Malaysia
| | - Chee Wun How
- School of Pharmacy, Monash University Malaysia, Bandar Sunway, Subang Jaya 47500, Selangor, Malaysia
| | - Sharina Hamzah
- School of Pharmacy, Faculty of Health and Medical Sciences, Taylor's University, Subang Jaya 47500, Selangor, Malaysia
- Medical Advancement for Better Quality of Life Impact Lab, Taylor's University, Subang Jaya 47500, Selangor, Malaysia
| | - Jhi Biau Foo
- School of Pharmacy, Faculty of Health and Medical Sciences, Taylor's University, Subang Jaya 47500, Selangor, Malaysia
- Medical Advancement for Better Quality of Life Impact Lab, Taylor's University, Subang Jaya 47500, Selangor, Malaysia
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13
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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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14
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Moradi Vastegani S, Nasrolahi A, Ghaderi S, Belali R, Rashno M, Farzaneh M, Khoshnam SE. Mitochondrial Dysfunction and Parkinson's Disease: Pathogenesis and Therapeutic Strategies. Neurochem Res 2023:10.1007/s11064-023-03904-0. [PMID: 36943668 DOI: 10.1007/s11064-023-03904-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 02/21/2023] [Accepted: 02/28/2023] [Indexed: 03/23/2023]
Abstract
Parkinson's disease (PD) is a common age-related neurodegenerative disorder whose pathogenesis is not completely understood. Mitochondrial dysfunction and increased oxidative stress have been considered as major causes and central events responsible for the progressive degeneration of dopaminergic (DA) neurons in PD. Therefore, investigating mitochondrial disorders plays a role in understanding the pathogenesis of PD and can be an important therapeutic target for this disease. This study discusses the effect of environmental, genetic and biological factors on mitochondrial dysfunction and also focuses on the mitochondrial molecular mechanisms underlying neurodegeneration, and its possible therapeutic targets in PD, including reactive oxygen species generation, calcium overload, inflammasome activation, apoptosis, mitophagy, mitochondrial biogenesis, and mitochondrial dynamics. Other potential therapeutic strategies such as mitochondrial transfer/transplantation, targeting microRNAs, using stem cells, photobiomodulation, diet, and exercise were also discussed in this review, which may provide valuable insights into clinical aspects. A better understanding of the roles of mitochondria in the pathophysiology of PD may provide a rationale for designing novel therapeutic interventions in our fight against PD.
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Affiliation(s)
- Sadegh Moradi Vastegani
- Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Ava Nasrolahi
- Infectious Ophthalmologic Research Center, Imam Khomeini Hospital Clinical Research Development Unit, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Shahab Ghaderi
- Department of Neuroscience, School of Science and Advanced Technologies in Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
- Neurophysiology Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Rafie Belali
- Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Masome Rashno
- Asadabad School of Medical Sciences, Asadabad, Iran
- Student Research Committee, Asadabad School of Medical Sciences, Asadabad, Iran
| | - Maryam Farzaneh
- Fertility, Infertility and Perinatology Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Seyed Esmaeil Khoshnam
- Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
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15
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Redenšek Trampuž S, Vogrinc D, Goričar K, Dolžan V. Shared miRNA landscapes of COVID-19 and neurodegeneration confirm neuroinflammation as an important overlapping feature. Front Mol Neurosci 2023; 16:1123955. [PMID: 37008787 PMCID: PMC10064073 DOI: 10.3389/fnmol.2023.1123955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 02/20/2023] [Indexed: 03/19/2023] Open
Abstract
IntroductionDevelopment and worsening of most common neurodegenerative diseases, such as Alzheimer’s disease, Parkinson’s disease, and multiple sclerosis, have been associated with COVID-19 However, the mechanisms associated with neurological symptoms in COVID-19 patients and neurodegenerative sequelae are not clear. The interplay between gene expression and metabolite production in CNS is driven by miRNAs. These small non-coding molecules are dysregulated in most common neurodegenerative diseases and COVID-19.MethodsWe have performed a thorough literature screening and database mining to search for shared miRNA landscapes of SARS-CoV-2 infection and neurodegeneration. Differentially expressed miRNAs in COVID-19 patients were searched using PubMed, while differentially expressed miRNAs in patients with five most common neurodegenerative diseases (Alzheimer’s disease, Parkinson’s disease, Huntington’s disease, amyotrophic lateral sclerosis, and multiple sclerosis) were searched using the Human microRNA Disease Database. Target genes of the overlapping miRNAs, identified with the miRTarBase, were used for the pathway enrichment analysis performed with Kyoto Encyclopedia of Genes and Genomes and Reactome.ResultsIn total, 98 common miRNAs were found. Additionally, two of them (hsa-miR-34a and hsa-miR-132) were highlighted as promising biomarkers of neurodegeneration, as they are dysregulated in all five most common neurodegenerative diseases and COVID-19. Additionally, hsa-miR-155 was upregulated in four COVID-19 studies and found to be dysregulated in neurodegeneration processes as well. Screening for miRNA targets identified 746 unique genes with strong evidence for interaction. Target enrichment analysis highlighted most significant KEGG and Reactome pathways being involved in signaling, cancer, transcription and infection. However, the more specific identified pathways confirmed neuroinflammation as being the most important shared feature.DiscussionOur pathway based approach has identified overlapping miRNAs in COVID-19 and neurodegenerative diseases that may have a valuable potential for neurodegeneration prediction in COVID-19 patients. Additionally, identified miRNAs can be further explored as potential drug targets or agents to modify signaling in shared pathways.Graphical AbstractShared miRNA molecules among the five investigated neurodegenerative diseases and COVID-19 were identified. The two overlapping miRNAs, hsa-miR-34a and has-miR-132, present potential biomarkers of neurodegenerative sequelae after COVID-19. Furthermore, 98 common miRNAs between all five neurodegenerative diseases together and COVID-19 were identified. A KEGG and Reactome pathway enrichment analyses was performed on the list of shared miRNA target genes and finally top 20 pathways were evaluated for their potential for identification of new drug targets. A common feature of identified overlapping miRNAs and pathways is neuroinflammation. AD, Alzheimer’s disease; ALS, amyotrophic lateral sclerosis; COVID-19, coronavirus disease 2019; HD, Huntington’s disease; KEGG, Kyoto Encyclopedia of Genes and Genomes; MS, multiple sclerosis; PD, Parkinson’s disease.
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16
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Rivera J, Gangwani L, Kumar S. Mitochondria Localized microRNAs: An Unexplored miRNA Niche in Alzheimer's Disease and Aging. Cells 2023; 12:cells12050742. [PMID: 36899879 PMCID: PMC10000969 DOI: 10.3390/cells12050742] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Revised: 02/15/2023] [Accepted: 02/20/2023] [Indexed: 03/03/2023] Open
Abstract
Mitochondria play several vital roles in the brain cells, especially in neurons to provide synaptic energy (ATP), Ca2+ homeostasis, Reactive Oxygen Species (ROS) production, apoptosis, mitophagy, axonal transport and neurotransmission. Mitochondrial dysfunction is a well-established phenomenon in the pathophysiology of many neurological diseases, including Alzheimer's disease (AD). Amyloid-beta (Aβ) and Phosphorylated tau (p-tau) proteins cause the severe mitochondrial defects in AD. A newly discovered cellular niche of microRNAs (miRNAs), so-called mitochondrial-miRNAs (mito-miRs), has recently been explored in mitochondrial functions, cellular processes and in a few human diseases. The mitochondria localized miRNAs regulate local mitochondrial genes expression and are significantly involved in the modulation of mitochondrial proteins, and thereby in controlling mitochondrial function. Thus, mitochondrial miRNAs are crucial to maintaining mitochondrial integrity and for normal mitochondrial homeostasis. Mitochondrial dysfunction is well established in AD pathogenesis, but unfortunately mitochondria miRNAs and their precise roles have not yet been investigated in AD. Therefore, an urgent need exists to examine and decipher the critical roles of mitochondrial miRNAs in AD and in the aging process. The current perspective sheds light on the latest insights and future research directions on investigating the contribution of mitochondrial miRNAs in AD and aging.
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Affiliation(s)
- Jazmin Rivera
- Center of Emphasis in Neuroscience, Department of Molecular and Translational Medicine, Paul L. Foster School of Medicine, Texas Tech University Health Sciences Center, El Paso, TX 79905, USA
| | - Laxman Gangwani
- Department of Veterinary Pathobiology and Bond Life Sciences Center, University of Missouri, 1201 Rollins Street, Columbia, MO 65211, USA
| | - Subodh Kumar
- Center of Emphasis in Neuroscience, Department of Molecular and Translational Medicine, Paul L. Foster School of Medicine, Texas Tech University Health Sciences Center, El Paso, TX 79905, USA
- L. Frederick Francis Graduate School of Biomedical Sciences, Texas Tech University Health Sciences Center El Paso, El Paso, TX 79905, USA
- Correspondence:
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17
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Elangovan A, Venkatesan D, Selvaraj P, Pasha MY, Babu HWS, Iyer M, Narayanasamy A, Subramaniam MD, Valsala Gopalakrishnan A, Kumar NS, Vellingiri B. miRNA in Parkinson's disease: From pathogenesis to theranostic approaches. J Cell Physiol 2023; 238:329-354. [PMID: 36502506 DOI: 10.1002/jcp.30932] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 11/22/2022] [Accepted: 11/30/2022] [Indexed: 12/14/2022]
Abstract
Parkinson's disease (PD) is an age associated neurological disorder which is specified by cardinal motor symptoms such as tremor, stiffness, bradykinesia, postural instability, and non-motor symptoms. Dopaminergic neurons degradation in substantia nigra region and aggregation of αSyn are the classic signs of molecular defects noticed in PD pathogenesis. The discovery of microRNAs (miRNA) predicted to have a pivotal part in various processes regarding regularizing the cellular functions. Studies on dysregulation of miRNA in PD pathogenesis has recently gained the concern where our review unravels the role of miRNA expression in PD and its necessity in clinical validation for therapeutic development in PD. Here, we discussed how miRNA associated with ageing process in PD through molecular mechanistic approach of miRNAs on sirtuins, tumor necrosis factor-alpha and interleukin-6, dopamine loss, oxidative stress and autophagic dysregulation. Further we have also conferred the expression of miRNAs affected by SNCA gene expression, neuronal differentiation and its therapeutic potential with PD. In conclusion, we suggest more rigorous studies should be conducted on understanding the mechanisms and functions of miRNA in PD which will eventually lead to discovery of novel and promising therapeutics for PD.
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Affiliation(s)
- Ajay Elangovan
- Department of Human Genetics and Molecular Biology, Human Molecular Cytogenetics and Stem Cell Laboratory, Bharathiar University, Tamil Nadu, Coimbatore, India
| | - Dhivya Venkatesan
- Department of Human Genetics and Molecular Biology, Human Molecular Cytogenetics and Stem Cell Laboratory, Bharathiar University, Tamil Nadu, Coimbatore, India
| | - Priyanka Selvaraj
- Department of Human Genetics and Molecular Biology, Human Molecular Cytogenetics and Stem Cell Laboratory, Bharathiar University, Tamil Nadu, Coimbatore, India
| | - Md Younus Pasha
- Department of Human Genetics and Molecular Biology, Human Molecular Cytogenetics and Stem Cell Laboratory, Bharathiar University, Tamil Nadu, Coimbatore, India
| | - Harysh Winster Suresh Babu
- Department of Human Genetics and Molecular Biology, Human Molecular Cytogenetics and Stem Cell Laboratory, Bharathiar University, Tamil Nadu, Coimbatore, India.,Department of Zoology, Disease Proteomics Laboratory, Bharathiar University, Tamil Nadu, Coimbatore, India
| | - Mahalaxmi Iyer
- Livestock Farming, & Bioresources Technology, Tamil Nadu, India
| | - Arul Narayanasamy
- Department of Zoology, Disease Proteomics Laboratory, Bharathiar University, Tamil Nadu, Coimbatore, India
| | - Mohana Devi Subramaniam
- Department of Genetics and Molecular Biology, Vision Research Foundation, Tamil Nadu, Chennai, India
| | - Abilash Valsala Gopalakrishnan
- Department of Biomedical Sciences, School of Bioscience and Technology, Vellore Institute of Technology (VIT), Tamil Nadu, Vellore, India
| | | | - Balachandar Vellingiri
- Department of Human Genetics and Molecular Biology, Human Molecular Cytogenetics and Stem Cell Laboratory, Bharathiar University, Tamil Nadu, Coimbatore, India.,Stem cell and Regenerative Medicine/Translational Research, Department of Zoology, School of Basic Sciences, Central University of Punjab, Punjab, Bathinda, India
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18
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Iacomino G. miRNAs: The Road from Bench to Bedside. Genes (Basel) 2023; 14:genes14020314. [PMID: 36833241 PMCID: PMC9957002 DOI: 10.3390/genes14020314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 01/20/2023] [Accepted: 01/21/2023] [Indexed: 01/27/2023] Open
Abstract
miRNAs are small noncoding RNAs that control gene expression at the posttranscriptional level. It has been recognised that miRNA dysregulation reflects the state and function of cells and tissues, contributing to their dysfunction. The identification of hundreds of extracellular miRNAs in biological fluids has underscored their potential in the field of biomarker research. In addition, the therapeutic potential of miRNAs is receiving increasing attention in numerous conditions. On the other hand, many operative problems including stability, delivery systems, and bioavailability, still need to be solved. In this dynamic field, biopharmaceutical companies are increasingly engaged, and ongoing clinical trials point to anti-miR and miR-mimic molecules as an innovative class of molecules for upcoming therapeutic applications. This article aims to provide a comprehensive overview of current knowledge on several pending issues and new opportunities offered by miRNAs in the treatment of diseases and as early diagnostic tools in next-generation medicine.
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Affiliation(s)
- Giuseppe Iacomino
- Institute of Food Sciences, National Research Council, Via Roma, 64, 83100 Avellino, Italy
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19
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López-Cepeda L, Castro JD, Aristizábal-Pachón AF, González-Giraldo Y, Pinzón A, Puentes-Rozo PJ, González J. Modulation of Small RNA Signatures by Astrocytes on Early Neurodegeneration Stages; Implications for Biomarker Discovery. Life (Basel) 2022; 12:1720. [PMID: 36362875 PMCID: PMC9696502 DOI: 10.3390/life12111720] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 10/01/2022] [Accepted: 10/12/2022] [Indexed: 04/04/2024] Open
Abstract
Diagnosis of neurodegenerative disease (NDD) is complex, therefore simpler, less invasive, more accurate biomarkers are needed. small non-coding RNA (sncRNA) dysregulates in NDDs and sncRNA signatures have been explored for the diagnosis of NDDs, however, the performance of previous biomarkers is still better. Astrocyte dysfunction promotes neurodegeneration and thus derived scnRNA signatures could provide a more precise way to identify of changes related to NDD course and pathogenesis, and it could be useful for the dissection of mechanistic insights operating in NDD. Often sncRNA are transported outside the cell by the action of secreted particles such as extracellular vesicles (EV), which protect sncRNA from degradation. Furthermore, EV associated sncRNA can cross the BBB to be found in easier to obtain peripheral samples, EVs also inherit cell-specific surface markers that can be used for the identification of Astrocyte Derived Extracellular Vesicles (ADEVs) in a peripheral sample. By the study of the sncRNA transported in ADEVs it is possible to identify astrocyte specific sncRNA signatures that could show astrocyte dysfunction in a more simpler manner than previous methods. However, sncRNA signatures in ADEV are not a copy of intracellular transcriptome and methodological aspects such as the yield of sncRNA produced in ADEV or the variable amount of ADEV captured after separation protocols must be considered. Here we review the role as signaling molecules of ADEV derived sncRNA dysregulated in conditions associated with risk of neurodegeneration, providing an explanation of why to choose ADEV for the identification of astrocyte-specific transcriptome. Finally, we discuss possible limitations of this approach and the need to improve the detection limits of sncRNA for the use of ADEV derived sncRNA signatures.
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Affiliation(s)
- Leonardo López-Cepeda
- Departamento de Nutrición y Bioquímica, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá 110231, Colombia
| | - Juan David Castro
- Departamento de Nutrición y Bioquímica, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá 110231, Colombia
| | | | - Yeimy González-Giraldo
- Departamento de Nutrición y Bioquímica, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá 110231, Colombia
| | - Andrés Pinzón
- Laboratorio de Bioinformática y Biología de Sistemas, Universidad Nacional de Colombia, Bogotá 111321, Colombia
| | - Pedro J. Puentes-Rozo
- Grupo de Neurociencias del Caribe, Unidad de Neurociencias Cognitivas, Universidad Simón Bolívar, Barranquilla 080002, Colombia
- Grupo de Neurociencias del Caribe, Universidad del Atlántico, Barranquilla 080007, Colombia
| | - Janneth González
- Departamento de Nutrición y Bioquímica, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá 110231, Colombia
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20
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Hydrogen peroxide initiates oxidative stress and proteomic alterations in meningothelial cells. Sci Rep 2022; 12:14519. [PMID: 36008468 PMCID: PMC9411503 DOI: 10.1038/s41598-022-18548-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Accepted: 08/16/2022] [Indexed: 11/26/2022] Open
Abstract
Meningothelial cells (MECs) are fundamental cells of the sheaths covering the brain and optic nerve, where they build a brain/optic nerve-cerebral spinal fluid (CSF) barrier that prevents the free flow of CSF from the subarachnoid space, but their exact roles and underlying mechanisms remain unclear. Our attempt here was to investigate the influence elicited by hydrogen peroxide (H2O2) on functional changes of MECs. Our study showed that cell viability of MECs was inhibited after cells were exposed to oxidative agents. Cells subjected to H2O2 at the concentration of 150 µM for 24 h and 48 h exhibited an elevation of reactive oxygen species (ROS) activity, decrease of total antioxidant capacity (T-AOC) level and reduced mitochondrial membrane potential (ΔΨm) compared with control cells. 95 protein spots with more than twofold difference were detected in two dimensional electrophoresis (2DE) gels through proteomics assay following H2O2 exposure for 48 h, 10 proteins were identified through TOF/MS analysis. Among the proteomic changes explored, 8 proteins related to energy metabolism, mitochondrial function, structural regulation, and cell cycle control were downregulated. Our study provides key insights that enhance our understanding of the role of MECs in the pathology of brain and optic nerve disorders.
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21
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Shi X, Zhong X, Deng L, Wu X, Zhang P, Zhang X, Wang G. Mesenchymal stem cell-derived extracellular vesicle-enclosed miR-93 prevents hypoxic-ischemic brain damage in rats. Neuroscience 2022; 500:12-25. [PMID: 35803492 DOI: 10.1016/j.neuroscience.2022.06.037] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 06/24/2022] [Accepted: 06/27/2022] [Indexed: 02/06/2023]
Abstract
Hypoxic-ischemic brain damage (HIBD) usually induces chronic neurological disorder and even acute death, but effective neuroprotective strategy is still limited. Herein, we performed this study to clarify the mechanism of mesenchymal stem cell (MSC)-derived extracellular vesicles (EVs) containing microRNA-93 (miR-93) in influencing this damage via regulation of the histone deacetylase 4 (HDAC4)/B-cell lymphoma-2 (Bcl-2) axis. Initially, differentially expressed Bcl-2 was identified in middle cerebral artery occlusion (MCAO), and the upstream regulatory miR-93 and its potential target HDAC4 were also predicted through bioinformatics analysis. HIBD was modeled in vitro by exposing hippocampal neurons to oxygen-glucose deprivation (OGD) and in vivo by MCAO in rats. EVs were isolated from the bone marrow MSCs of well-grown rats. Our experimental data validated that HDAC4 was highly expressed while miR-93 and Bcl-2 were poorly expressed in MCAO rats. Furthermore, HDAC4 overexpression, through inhibiting Bcl-2 via deacetylation, promoted the infarct volume and pathological changes in hippocampal tissues and neuron apoptosis, and impaired neurobehavioral ability of MCAO rats. Of note, miR-93 was found to target HDAC4. Importantly, MSC-derived EVs overexpressing miR-93 suppressed HDAC4 expression and subsequently impeded the apoptosis of OGD-exposed hippocampal neurons in vitro, and also ameliorated HIBD in vivo. Taken together, miR-93 delivered by MSC-derived EVs can ameliorate HIBD by suppressing hippocampal neuron apoptosis through targeting the HDAC4/Bcl-2 axis, a finding which may be of great significance in the treatment of HIBD.
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Affiliation(s)
- Xiaoding Shi
- Department of Anesthesiology, Harbin Medical University Cancer Hospital, Harbin 150081, P. R. China
| | - Xuelai Zhong
- Department of Anesthesiology, Harbin Medical University Cancer Hospital, Harbin 150081, P. R. China
| | - Lin Deng
- Department of Anesthesiology, Harbin Medical University Cancer Hospital, Harbin 150081, P. R. China
| | - Xiaohong Wu
- Department of Anesthesiology, Harbin Medical University Cancer Hospital, Harbin 150081, P. R. China
| | - Pinyi Zhang
- Department of Anesthesiology, Harbin Medical University Cancer Hospital, Harbin 150081, P. R. China
| | - Xin Zhang
- Department of Anesthesiology, Harbin Medical University Cancer Hospital, Harbin 150081, P. R. China
| | - Guonian Wang
- Department of Anesthesiology, The Fourth Hospital of Harbin Medical University, Harbin 150001, P. R. China.
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22
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Fioravanti A, Giordano A, Dotta F, Pirtoli L. Crosstalk between MicroRNA and Oxidative Stress in Physiology and Pathology 2.0. Int J Mol Sci 2022; 23:ijms23126831. [PMID: 35743274 PMCID: PMC9223739 DOI: 10.3390/ijms23126831] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 06/16/2022] [Indexed: 02/07/2023] Open
Affiliation(s)
- Antonella Fioravanti
- Rheumatology Unit, Department of Medicine, Surgery and Neuroscience, Azienda Ospedaliera Universitaria Senese, Policlinico Le Scotte, 53100 Siena, Italy
- Correspondence: ; Tel.: +39-0577233345
| | - Antonio Giordano
- Sbarro Institute for Cancer Research and Molecular Medicine, Department of Biology, College of Science and Technology, Temple University, Philadelphia, PA 19122, USA; (A.G.); (L.P.)
- Department of Medical Biotechnologies, University of Siena, 53100 Siena, Italy
| | - Francesco Dotta
- Diabetes Unit, Department of Medicine, Surgery and Neurosciences, University of Siena, Policlinico Le Scotte, 53100 Siena, Italy;
| | - Luigi Pirtoli
- Sbarro Institute for Cancer Research and Molecular Medicine, Department of Biology, College of Science and Technology, Temple University, Philadelphia, PA 19122, USA; (A.G.); (L.P.)
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23
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Hiengrach P, Visitchanakun P, Tongchairawewat P, Tangsirisatian P, Jungteerapanich T, Ritprajak P, Wannigama DL, Tangtanatakul P, Leelahavanichkul A. Sepsis Encephalopathy Is Partly Mediated by miR370-3p-Induced Mitochondrial Injury but Attenuated by BAM15 in Cecal Ligation and Puncture Sepsis Male Mice. Int J Mol Sci 2022; 23:ijms23105445. [PMID: 35628259 PMCID: PMC9141734 DOI: 10.3390/ijms23105445] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Revised: 05/06/2022] [Accepted: 05/10/2022] [Indexed: 02/06/2023] Open
Abstract
BAM15 (a mitochondrial uncoupling agent) was tested on cecal ligation and puncture (CLP) sepsis mice with in vitro experiments. BAM15 attenuated sepsis as indicated by survival, organ histology (kidneys and livers), spleen apoptosis (activated caspase 3), brain injury (SHIRPA score, serum s100β, serum miR370-3p, brain miR370-3p, brain TNF-α, and apoptosis), systemic inflammation (cytokines, cell-free DNA, endotoxemia, and bacteremia), and blood-brain barrier (BBB) damage (Evan's blue dye and the presence of green fluorescent E. coli in brain after an oral administration). In parallel, brain miR arrays demonstrated miR370-3p at 24 h but not 120 h post-CLP, which was correlated with metabolic pathways. Either lipopolysaccharide (LPS) or TNF-α upregulated miR370-3p in PC12 (neuron cells). An activation by sepsis factors (LPS, TNF-α, or miR370-3p transfection) damaged mitochondria (fluorescent color staining) and reduced cell ATP, possibly through profound mitochondrial activity (extracellular flux analysis) that was attenuated by BAM15. In bone-marrow-derived macrophages, LPS caused mitochondrial injury, decreased cell ATP, enhanced glycolysis activity (extracellular flux analysis), and induced pro-inflammatory macrophages (iNOS and IL-1β) which were neutralized by BAM15. In conclusion, BAM15 attenuated sepsis through decreased mitochondrial damage, reduced neuronal miR370-3p upregulation, and induced anti-inflammatory macrophages. BAM15 is proposed to be used as an adjuvant therapy against sepsis hyperinflammation.
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Affiliation(s)
- Pratsanee Hiengrach
- Center of Excellence on Translational Research in Inflammation and Immunology (CETRII), Department of Microbiology, Chulalongkorn University, Bangkok 10330, Thailand; (P.H.); (P.V.)
| | - Peerapat Visitchanakun
- Center of Excellence on Translational Research in Inflammation and Immunology (CETRII), Department of Microbiology, Chulalongkorn University, Bangkok 10330, Thailand; (P.H.); (P.V.)
| | - Pakteema Tongchairawewat
- Chulalongkorn University International Medical Program, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand; (P.T.); (P.T.); (T.J.)
| | - Ponphisudti Tangsirisatian
- Chulalongkorn University International Medical Program, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand; (P.T.); (P.T.); (T.J.)
| | - Thitiphat Jungteerapanich
- Chulalongkorn University International Medical Program, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand; (P.T.); (P.T.); (T.J.)
| | - Patcharee Ritprajak
- Research Unit in Integrative Immuno-Microbial Biochemistry and Bioresponsive Nanomaterials, Department of Microbiology, Faculty of Dentistry, Chulalongkorn University, Bangkok 10330, Thailand;
| | - Dhammika Leshan Wannigama
- Antimicrobial Resistance and Stewardship Research Unit, Department of Microbiology, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand;
- School of Medicine, Faculty of Health and Medical Sciences, The University of Western Australia, Nedlands, WA 6009, Australia
| | - Pattarin Tangtanatakul
- Department of Transfusion Medicine and Clinical Microbiology, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok 10330, Thailand
- Center of Excellence in Immunology and Immune-Mediated Disease, Department of Microbiology, Chulalongkorn University, Bangkok 10330, Thailand
- Correspondence: (P.T.); (A.L.); Tel.: +66-2256-4132 (A.L.); Fax: +66-2252-5952 (A.L.)
| | - Asada Leelahavanichkul
- Center of Excellence on Translational Research in Inflammation and Immunology (CETRII), Department of Microbiology, Chulalongkorn University, Bangkok 10330, Thailand; (P.H.); (P.V.)
- Nephrology Unit, Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
- Correspondence: (P.T.); (A.L.); Tel.: +66-2256-4132 (A.L.); Fax: +66-2252-5952 (A.L.)
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24
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Panio A, Cava C, D’Antona S, Bertoli G, Porro D. Diagnostic Circulating miRNAs in Sporadic Amyotrophic Lateral Sclerosis. Front Med (Lausanne) 2022; 9:861960. [PMID: 35602517 PMCID: PMC9121628 DOI: 10.3389/fmed.2022.861960] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Accepted: 04/06/2022] [Indexed: 11/13/2022] Open
Abstract
Amyotrophic Lateral Sclerosis (ALS) is a fatal neurodegenerative disease characterized by the neurodegeneration of motoneurons. About 10% of ALS is hereditary and involves mutation in 25 different genes, while 90% of the cases are sporadic forms of ALS (sALS). The diagnosis of ALS includes the detection of early symptoms and, as disease progresses, muscle twitching and then atrophy spreads from hands to other parts of the body. The disease causes high disability and has a high mortality rate; moreover, the therapeutic approaches for the pathology are not effective. miRNAs are small non-coding RNAs, whose activity has a major impact on the expression levels of coding mRNA. The literature identifies several miRNAs with diagnostic abilities on sALS, but a unique diagnostic profile is not defined. As miRNAs could be secreted, the identification of specific blood miRNAs with diagnostic ability for sALS could be helpful in the identification of the patients. In the view of personalized medicine, we performed a meta-analysis of the literature in order to select specific circulating miRNAs with diagnostic properties and, by bioinformatics approaches, we identified a panel of 10 miRNAs (miR-193b, miR-3911, miR-139-5p, miR-193b-1, miR-338-5p, miR-3911-1, miR-455-3p, miR-4687-5p, miR-4745-5p, and miR-4763-3p) able to classify sALS patients by blood analysis. Among them, the analysis of expression levels of the couple of blood miR-193b/miR-4745-5p could be translated in clinical practice for the diagnosis of sALS.
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25
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Nguyen TPN, Kumar M, Fedele E, Bonanno G, Bonifacino T. MicroRNA Alteration, Application as Biomarkers, and Therapeutic Approaches in Neurodegenerative Diseases. Int J Mol Sci 2022; 23:ijms23094718. [PMID: 35563107 PMCID: PMC9104163 DOI: 10.3390/ijms23094718] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 04/20/2022] [Accepted: 04/21/2022] [Indexed: 01/27/2023] Open
Abstract
MicroRNAs (miRNAs) are essential post-transcriptional gene regulators involved in various neuronal and non-neuronal cell functions and play a key role in pathological conditions. Numerous studies have demonstrated that miRNAs are dysregulated in major neurodegenerative diseases, such as Alzheimer’s disease, Parkinson’s disease, multiple sclerosis, amyotrophic lateral sclerosis, or Huntington’s disease. Hence, in the present work, we constructed a comprehensive overview of individual microRNA alterations in various models of the above neurodegenerative diseases. We also provided evidence of miRNAs as promising biomarkers for prognostic and diagnostic approaches. In addition, we summarized data from the literature about miRNA-based therapeutic applications via inhibiting or promoting miRNA expression. We finally identified the overlapping miRNA signature across the diseases, including miR-128, miR-140-5p, miR-206, miR-326, and miR-155, associated with multiple etiological cellular mechanisms. However, it remains to be established whether and to what extent miRNA-based therapies could be safely exploited in the future as effective symptomatic or disease-modifying approaches in the different human neurodegenerative disorders.
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Affiliation(s)
- T. P. Nhung Nguyen
- Pharmacology and Toxicology Unit, Department of Pharmacy, University of Genoa, Viale Cembrano 4, 16148 Genoa, Italy; (T.P.N.N.); (M.K.); (G.B.); (T.B.)
| | - Mandeep Kumar
- Pharmacology and Toxicology Unit, Department of Pharmacy, University of Genoa, Viale Cembrano 4, 16148 Genoa, Italy; (T.P.N.N.); (M.K.); (G.B.); (T.B.)
| | - Ernesto Fedele
- Pharmacology and Toxicology Unit, Department of Pharmacy, University of Genoa, Viale Cembrano 4, 16148 Genoa, Italy; (T.P.N.N.); (M.K.); (G.B.); (T.B.)
- IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy
- Correspondence:
| | - Giambattista Bonanno
- Pharmacology and Toxicology Unit, Department of Pharmacy, University of Genoa, Viale Cembrano 4, 16148 Genoa, Italy; (T.P.N.N.); (M.K.); (G.B.); (T.B.)
- IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy
| | - Tiziana Bonifacino
- Pharmacology and Toxicology Unit, Department of Pharmacy, University of Genoa, Viale Cembrano 4, 16148 Genoa, Italy; (T.P.N.N.); (M.K.); (G.B.); (T.B.)
- Inter-University Center for the Promotion of the 3Rs Principles in Teaching & Research (Centro 3R), 56122 Genoa, Italy
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26
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Yu Q, Zhu K, Ding Y, Han R, Cheng D. Comparative study of aluminum (Al) speciation on apoptosis-promoting process in PC12 cells: Correlations between morphological characteristics and mitochondrial kinetic disorder. J Inorg Biochem 2022; 232:111835. [DOI: 10.1016/j.jinorgbio.2022.111835] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Revised: 04/07/2022] [Accepted: 04/12/2022] [Indexed: 12/12/2022]
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27
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Rizzuti M, Melzi V, Gagliardi D, Resnati D, Meneri M, Dioni L, Masrori P, Hersmus N, Poesen K, Locatelli M, Biella F, Silipigni R, Bollati V, Bresolin N, Comi GP, Van Damme P, Nizzardo M, Corti S. Insights into the identification of a molecular signature for amyotrophic lateral sclerosis exploiting integrated microRNA profiling of iPSC-derived motor neurons and exosomes. Cell Mol Life Sci 2022; 79:189. [PMID: 35286466 PMCID: PMC8921154 DOI: 10.1007/s00018-022-04217-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 02/18/2022] [Accepted: 02/21/2022] [Indexed: 12/13/2022]
Abstract
Amyotrophic lateral sclerosis (ALS) is a rare neurodegenerative disorder characterized by progressive degeneration of motor neurons (MNs). Most cases are sporadic, whereas 10% are familial. The pathological mechanisms underlying the disease are partially understood, but it is increasingly being recognized that alterations in RNA metabolism and deregulation of microRNA (miRNA) expression occur in ALS. In this study, we performed miRNA expression profile analysis of iPSC-derived MNs and related exosomes from familial patients and healthy subjects. We identified dysregulation of miR-34a, miR-335 and miR-625-3p expression in both MNs and exosomes. These miRNAs regulate genes and pathways which correlate with disease pathogenesis, suggesting that studying miRNAs deregulation can contribute to deeply investigate the molecular mechanisms underlying the disease. We also assayed the expression profile of these miRNAs in the cerebrospinal fluid (CSF) of familial (fALS) and sporadic patients (sALS) and we identified a significant dysregulation of miR-34a-3p and miR-625-3p levels in ALS compared to controls. Taken together, all these findings suggest that miRNA analysis simultaneously performed in different human biological samples could represent a promising molecular tool to understand the etiopathogenesis of ALS and to develop new potential miRNA-based strategies in this new propitious therapeutic era.
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Affiliation(s)
- Mafalda Rizzuti
- Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Neurology Unit, Milan, Italy
| | - Valentina Melzi
- Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Neurology Unit, Milan, Italy
| | - Delia Gagliardi
- Department of Physiopathology and Transplants, Dino Ferrari Center, University of Milan, via Francesco Sforza 35, 20122, Milan, Italy
| | - Davide Resnati
- Department of Physiopathology and Transplants, Dino Ferrari Center, University of Milan, via Francesco Sforza 35, 20122, Milan, Italy
| | - Megi Meneri
- Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Neurology Unit, Milan, Italy
| | - Laura Dioni
- EPIGET LAB, Unit of Occupational Medicine, Department of Clinical Sciences and Community Health, University of Milan, IRCCS Ca' Granda Foundation Ospedale Maggiore Policlinico, Milan, Italy
| | - Pegah Masrori
- Department of Neurosciences, Laboratory of Neurobiology, Center for Brain and Disease, KU Leuven, University of Leuven, Leuven, Belgium.,Neurology Department, University Hospitals Leuven, Leuven, Belgium
| | - Nicole Hersmus
- Department of Neurosciences, Laboratory of Neurobiology, Center for Brain and Disease, KU Leuven, University of Leuven, Leuven, Belgium
| | - Koen Poesen
- Department of Neurosciences, Laboratory for Molecular Neurobiomarker Research, Leuven Brain Institute, KU Leuven, 3000, Leuven, Belgium
| | - Martina Locatelli
- Department of Physiopathology and Transplants, Dino Ferrari Center, University of Milan, via Francesco Sforza 35, 20122, Milan, Italy
| | - Fabio Biella
- Department of Physiopathology and Transplants, Dino Ferrari Center, University of Milan, via Francesco Sforza 35, 20122, Milan, Italy
| | - Rosamaria Silipigni
- Laboratory of Medical Genetics, IRCCS Ca' Granda Foundation Ospedale Maggiore Policlinico, Milan, Italy
| | - Valentina Bollati
- EPIGET LAB, Unit of Occupational Medicine, Department of Clinical Sciences and Community Health, University of Milan, IRCCS Ca' Granda Foundation Ospedale Maggiore Policlinico, Milan, Italy
| | - Nereo Bresolin
- Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Neurology Unit, Milan, Italy.,Department of Physiopathology and Transplants, Dino Ferrari Center, University of Milan, via Francesco Sforza 35, 20122, Milan, Italy
| | - Giacomo Pietro Comi
- Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Neurology Unit, Milan, Italy.,Department of Physiopathology and Transplants, Dino Ferrari Center, University of Milan, via Francesco Sforza 35, 20122, Milan, Italy.,Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Neuromuscular and Rare Diseases Unit, Milan, Italy
| | - Philip Van Damme
- Department of Neurosciences, Laboratory of Neurobiology, Center for Brain and Disease, KU Leuven, University of Leuven, Leuven, Belgium.,Neurology Department, University Hospitals Leuven, Leuven, Belgium
| | - Monica Nizzardo
- Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Neurology Unit, Milan, Italy
| | - Stefania Corti
- Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Neurology Unit, Milan, Italy. .,Department of Physiopathology and Transplants, Dino Ferrari Center, University of Milan, via Francesco Sforza 35, 20122, Milan, Italy.
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28
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Wang Y, Wang Y, Chen Y, Hua Y, Xu L, Zhu M, Zhao C, Zhang W, Sheng G, Liu L, Jiang P, Yuan Z, Zhao Z, Gao F. Circulating MicroRNAs From Plasma Small Extracellular Vesicles as Potential Diagnostic Biomarkers in Pediatric Epilepsy and Drug-Resistant Epilepsy. Front Mol Neurosci 2022; 15:823802. [PMID: 35221916 PMCID: PMC8866954 DOI: 10.3389/fnmol.2022.823802] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Accepted: 01/06/2022] [Indexed: 12/12/2022] Open
Abstract
Pediatric epilepsy is a neurological condition that causes repeated and unprovoked seizures and is more common in 1–5-year-old children. Drug resistance has been indicated as a key challenge in improving the clinical outcomes of patients with pediatric epilepsy. In the present study, we aimed to identify plasma small extracellular vesicles (sEVs) derived microRNAs (miRNAs) from the plasma samples of children for predicting the prognosis in patients with epilepsy and drug-resistant epilepsy. A total of 90 children clinically diagnosed with epilepsy [46 antiepileptic drug (AED)-responsive epilepsy and 44 drug-resistant epilepsy] and 37 healthy controls (HCs) were enrolled in this study. RNA sequencing was performed to identify plasma sEVs derived miRNAs isolated from the children’s plasma samples. Differentially expressed plasma sEVs derived miRNAs were identified using bioinformatics tools and were further validated by reverse transcription-polymerase chain reaction and receiver operator characteristic (ROC) curve analysis. In the present study, 6 miRNAs (hsa-miR-125b-5p, hsa-miR-150-3p, hsa-miR-199a-3p, hsa-miR-584-5p hsa-miR-199a-5p, and hsa-miR-342-5p) were selected for further validation. hsa-miR-584-5p, hsa-miR-342-5p, and hsa-miR-150-5p with area under curve (AUC) values of 0.846, 0.835, and 0.826, respectively, were identified as promising biomarkers of epilepsy. A logistic model combining three miRNAs (hsa-miR-584-5p, hsa-miR-342-5p, and hsa-miR-199a-3p) could achieve an AUC of 0.883 and a six miRNAs model (hsa-miR-342-5p, hsa-miR-584-5p, hsa-miR-150-5p, hsa-miR-125b-5p, hsa-miR-199a-3p, and hsa-miR-199a-5p) could attain an AUC of 0.888. The predicted probability of multiple miRNA panels was evaluated for differentiating between drug-resistant children and drug-responsive children. The AUC of a six-miRNA panel (hsa-miR-342-5p, hsa-miR-584-5p, hsa-miR-150-5p, hsa-miR-125b-5p, hsa-miR-199a-3p, and hsa-miR-199a-5p) reached 0.823. We identified and confirmed plasma sEVs derived miRNA biomarkers that could be considered as potential therapeutic targets for pediatric epilepsy and drug-resistant epilepsy.
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Affiliation(s)
- Yilong Wang
- Department of Neurology, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
- National Clinical Research Center for Child Health, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yeping Wang
- Department of Neurology, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
- National Clinical Research Center for Child Health, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yi Chen
- Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
- National Clinical Research Center for Child Health, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yi Hua
- Department of Neurology, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
- National Clinical Research Center for Child Health, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Lu Xu
- Department of Neurology, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
- National Clinical Research Center for Child Health, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Mengying Zhu
- Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
- National Clinical Research Center for Child Health, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Congying Zhao
- Department of Neurology, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
- National Clinical Research Center for Child Health, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Weiran Zhang
- Department of Neurology, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
- National Clinical Research Center for Child Health, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Guoxia Sheng
- Department of Neurology, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
- National Clinical Research Center for Child Health, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Liu Liu
- Department of Neurology, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
- National Clinical Research Center for Child Health, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Peifang Jiang
- Department of Neurology, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
- National Clinical Research Center for Child Health, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Zhefeng Yuan
- Department of Neurology, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
- National Clinical Research Center for Child Health, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Zhengyan Zhao
- Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
- National Clinical Research Center for Child Health, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
- *Correspondence: Zhengyan Zhao,
| | - Feng Gao
- Department of Neurology, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
- National Clinical Research Center for Child Health, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Feng Gao,
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29
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The microRNA-455 Null Mouse Has Memory Deficit and Increased Anxiety, Targeting Key Genes Involved in Alzheimer's Disease. Int J Mol Sci 2022; 23:ijms23010554. [PMID: 35008980 PMCID: PMC8745123 DOI: 10.3390/ijms23010554] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 12/24/2021] [Accepted: 12/30/2021] [Indexed: 12/21/2022] Open
Abstract
The complete molecular mechanisms underlying the pathophysiology of Alzheimer's disease (AD) remain to be elucidated. Recently, microRNA-455-3p has been identified as a circulating biomarker of early AD, with increased expression in post-mortem brain tissue of AD patients. MicroRNA-455-3p also directly targets and down-regulates APP, with the overexpression of miR-455-3p suppressing its toxic effects. Here, we show that miR-455-3p expression decreases with age in the brains of wild-type mice. We generated a miR-455 null mouse utilising CRISPR-Cas9 to explore its function further. Loss of miR-455 resulted in increased weight gain, potentially indicative of metabolic disturbances. Furthermore, performance on the novel object recognition task diminished significantly in miR-455 null mice (p = 0.004), indicating deficits in recognition memory. A slight increase in anxiety was also captured on the open field test. BACE1 and TAU were identified as new direct targets for miR-455-3p, with overexpression of miR-455-3p leading to a reduction in the expression of APP, BACE1 and TAU in neuroblastoma cells. In the hippocampus of miR-455 null mice at 14 months of age, the levels of protein for APP, BACE1 and TAU were all increased. Such findings reinforce the involvement of miR-455 in AD progression and demonstrate its action on cognitive performance.
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30
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Abdelrahman SA, Gabr MT. Emerging small-molecule therapeutic approaches for Alzheimer's disease and Parkinson's disease based on targeting microRNAs. Neural Regen Res 2022; 17:336-337. [PMID: 34269206 PMCID: PMC8463985 DOI: 10.4103/1673-5374.317977] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Affiliation(s)
- Somaya A Abdelrahman
- Department of Medicinal Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
| | - Moustafa T Gabr
- Department of Radiology, Stanford University School of Medicine, Stanford, CA, USA
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31
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Carini G, Musazzi L, Bolzetta F, Cester A, Fiorentini C, Ieraci A, Maggi S, Popoli M, Veronese N, Barbon A. The Potential Role of miRNAs in Cognitive Frailty. Front Aging Neurosci 2021; 13:763110. [PMID: 34867290 PMCID: PMC8632944 DOI: 10.3389/fnagi.2021.763110] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Accepted: 10/19/2021] [Indexed: 12/30/2022] Open
Abstract
Frailty is an aging related condition, which has been defined as a state of enhanced vulnerability to stressors, leading to a limited capacity to meet homeostatic demands. Cognitive impairment is also frequent in older people, often accompanying frailty. Age is the main independent risk factor for both frailty and cognitive impairment, and compelling evidence suggests that similar age-associated mechanisms could underlie both clinical conditions. Accordingly, it has been suggested that frailty and cognitive impairment share common pathways, and some authors proposed "cognitive frailty" as a single complex phenotype. Nevertheless, so far, no clear common underlying pathways have been discovered for both conditions. microRNAs (miRNAs) have emerged as key fine-tuning regulators in most physiological processes, as well as pathological conditions. Importantly, miRNAs have been proposed as both peripheral biomarkers and potential molecular factors involved in physiological and pathological aging. In this review, we discuss the evidence linking changes of selected miRNAs expression with frailty and cognitive impairment. Overall, miR-92a-5p and miR-532-5p, as well as other miRNAs implicated in pathological aging, should be investigated as potential biomarkers (and putative molecular effectors) of cognitive frailty.
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Affiliation(s)
- Giulia Carini
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Laura Musazzi
- School of Medicine and Surgery, University of Milano-Bicocca, Milan, Italy
| | - Francesco Bolzetta
- Medical Department, Geriatric Unit, Azienda ULSS (Unità Locale Socio Sanitaria) 3 "Serenissima," Venice, Italy
| | - Alberto Cester
- Medical Department, Geriatric Unit, Azienda ULSS (Unità Locale Socio Sanitaria) 3 "Serenissima," Venice, Italy
| | - Chiara Fiorentini
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Alessandro Ieraci
- Department of Pharmaceutical Sciences, University of Milan, Milan, Italy
| | - Stefania Maggi
- Aging Branch, Neuroscience Institute, National Research Council, Padua, Italy
| | - Maurizio Popoli
- Department of Pharmaceutical Sciences, University of Milan, Milan, Italy
| | - Nicola Veronese
- Medical Department, Geriatric Unit, Azienda ULSS (Unità Locale Socio Sanitaria) 3 "Serenissima," Venice, Italy.,Geriatrics Section, Department of Medicine, University of Palermo, Palermo, Italy
| | - Alessandro Barbon
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
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32
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Carta MG, Kalcev G, Fornaro M, Nardi AE. Novel experimental and early investigational drugs for the treatment of bipolar disorder. Expert Opin Investig Drugs 2021; 30:1081-1087. [PMID: 34844484 DOI: 10.1080/13543784.2021.2000965] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
INTRODUCTION The quest toward more effective treatments for bipolar disorder (BD) solicits novel drugs and further research on the underpinning neurobiology. The present review aims to critically appraise the existing evidence about the pharmacological treatment of BD toward the development of novel treatment avenues. AREAS COVERED The present review appraises animal and human studies concerning both the currently available psychotropic drugs, and the general medicine drugs which may represent a path toward the development of novel drugs for BD. PubMed and Scopus were last accessed on February 20th, 2021 for records indexed upon inception relevant to the pharmacological treatment of BD. Immune-modulating agents, anti-inflammatory agents, and glutamate antagonists represent the most intriguing potential targets for the development of new drugs for BD, thus receiving critical appraisal in the present text. EXPERT OPINION Regardless of the neurobiological pathways worthy of investigation toward the development of experimental drugs for BD, several unmet needs need to be addressed first. In particular, several biomarkers are altered in BD. However, it is the opinion herein expressed by the authors that it remains uncertain what comes first, that is peripheral changes or the disease.
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Affiliation(s)
- Mauro Giovanni Carta
- Department of Public Health, Clinical and Molecular Medicine, University of Cagliari, Cagliari Italy
| | - Goce Kalcev
- Department of Mechanical, Chemical and Materials Engineering, International Ph.D. In Innovation Sciences and Technologies, University of Cagliari, Cagliari Italy
| | - Michele Fornaro
- Department of Psychiatry, University of Federico II of Naples, Italy
| | - Antonio Egidio Nardi
- Laboratory Panic and Respiration, Institute of Psychiatry (Ipub), Federal University of Rio De Janeiro (Ufrj), Rio De Janeiro, Brazil
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Tayanloo-Beik A, Kiasalari Z, Roghani M. Paeonol Ameliorates Cognitive Deficits in Streptozotocin Murine Model of Sporadic Alzheimer's Disease via Attenuation of Oxidative Stress, Inflammation, and Mitochondrial Dysfunction. J Mol Neurosci 2021; 72:336-348. [PMID: 34797511 DOI: 10.1007/s12031-021-01936-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 10/20/2021] [Indexed: 11/25/2022]
Abstract
Intracerebroventricular (ICV) microinjection of diabetogenic drug streptozotocin (STZ) in rodents consistently produces a model of sporadic Alzheimer's disease (sAD) which is characterized by tau pathology and concomitant cognitive decline, insulin resistance, neuroinflammation, oxidative stress, and mitochondrial malfunction. Paeonol is an active phenolic component in some medicinal plants like Cortex Moutan with neuroprotective efficacy via exerting anti-inflammatory and anti-oxidative effects. This study was conducted to assess beneficial effect of paeonol in amelioration of cognitive deficits in ICV STZ rat model of sAD. STZ (3 mg/kg) was microinjected into the lateral ventricles on days 0 and 2, and paeonol was given p.o. at two doses of 25 (low) or 100 (high) mg/kg from day 0 (post-surgery) till day 24 post-STZ. Cognitive performance was evaluated in different tasks, and oxidative stress- and inflammation-related parameters were measured in addition to immunohistochemical assessment of glial fibrillary acidic protein (GFAP) as a marker of astrocytes. Paeonol at the higher dose ameliorated cognitive deficits in Barnes maze, novel object recognition (NOR) task, Y maze, and passive avoidance test. In addition, paeonol partially reversed hippocampal malondialdehyde (MDA), reactive oxygen species (ROS), total antioxidant capacity (TAC), superoxide dismutase (SOD), catalase, glutathione reductase, tumor necrosis factor α (TNFα), interleukin 6 (IL-6), mitochondrial membrane potential (MMP), myeloperoxidase (MPO), and acetylcholinesterase (AChE) activity. Paeonol treatment was also associated with lower hippocampal immunoreactivity for GFAP. This study showed that paeonol can alleviate cognitive disturbances in ICV STZ rat model of sAD via ameliorating neuroinflammation, oxidative stress, mitochondrial dysfunction, and also through its attenuation of astrogliosis.
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Affiliation(s)
- Akram Tayanloo-Beik
- Department of Biology, School of Basic Sciences, Shahed University, Tehran, Iran
| | - Zahra Kiasalari
- Neurophysiology Research Center, Shahed University, Tehran, Iran.
| | - Mehrdad Roghani
- Neurophysiology Research Center, Shahed University, Tehran, Iran.
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Bahmyari S, Jamali Z, Khatami SH, Vakili O, Roozitalab M, Savardashtaki A, Solati A, Mousavi P, Shabaninejad Z, Vakili S, Behrouj H, Ghasemi H, Movahedpour A. microRNAs in female infertility: An overview. Cell Biochem Funct 2021; 39:955-969. [PMID: 34708430 DOI: 10.1002/cbf.3671] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 10/06/2021] [Accepted: 10/08/2021] [Indexed: 12/11/2022]
Abstract
Infertility impacts a considerable number of women worldwide, and it affects different aspects of family life and society. Although female infertility is known as a multifactorial disorder, there are strong genetic and epigenetic bases. Studies revealed that miRNAs play critical roles in initiation and development of female infertility related disorders. Early diagnosis and control of these diseases is an essential key for improving disease prognosis and reducing the possibility of infertility and other side effects. Investigating the possible use of miRNAs as biomarkers and therapeutic options is valuable, and it merits attention. Thus, in this article, we reviewed research associated with female diseases and highlighted microRNAs that are related to the polycystic ovary syndrome (up to 30 miRNAs), premature ovarian failure (10 miRNAs), endometriosis (up to 15 miRNAs), uterine fibroids (up to 15 miRNAs), endometrial polyp (3 miRNAs), and pelvic inflammatory (6 miRNAs), which are involved in one or more ovarian or uterine disease-causing processes.
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Affiliation(s)
- Sedigheh Bahmyari
- Department of Reproductive Biology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Zeinab Jamali
- Department of Medical Genetics, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Seyyed Hossein Khatami
- Department of Clinical Biochemistry, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Omid Vakili
- Department of Clinical Biochemistry, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mahin Roozitalab
- Department of Nursing, School of Nursing and Midwifery, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Amir Savardashtaki
- Department of Medical Biotechnology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Arezoo Solati
- Department of Reproductive Biology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Pegah Mousavi
- Department of Medical Genetics, Faculty of Medicine, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | - Zahra Shabaninejad
- Department of Nanobiotechnology, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran.,Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Sina Vakili
- Infertility Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Hamid Behrouj
- Department of Clinical Biochemistry, Behbahan Faculty of Medical Sciences, Behbahan, Iran
| | - Hassan Ghasemi
- Department of Clinical Biochemistry, Abadan University of Medical Sciences, Abadan, Iran
| | - Ahmad Movahedpour
- Department of Medical Biotechnology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
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35
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S-Carboxymethyl Cysteine Protects against Oxidative Stress and Mitochondrial Impairment in a Parkinson's Disease In Vitro Model. Biomedicines 2021; 9:biomedicines9101467. [PMID: 34680584 PMCID: PMC8533464 DOI: 10.3390/biomedicines9101467] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Accepted: 10/12/2021] [Indexed: 11/21/2022] Open
Abstract
The mucolytic agent S-carboxymethylcysteine is widely used as an expectorant for the treatment of numerous respiratory disorders. The metabolic fate of S-carboxymethyl-L-cysteine is complex. Several clinical studies have demonstrated that the metabolism of this agent differs within the same individual, with sulfur oxygenated metabolites generated upon night-time administration. It has been indicated that this drug behaves like a free radical scavenger and that, in this regard, the sulfide is the active species with sulphoxide metabolites (already oxidized) being inactive. Consequently, a night-time consumption of the drug should be more effective upon daytime administration. Still, this diurnal variation in biotransformation (deactivation) is dependent on the genetic polymorphism on which relies the patient population capacities of S-carboxymethyl-L-cysteine sulphoxidation. It has been reported that those cohorts who are efficient sulfur oxidizers will generate inactive oxygenated metabolites. In contrast, those who have a relative deficiency in this mechanism will be subjected to the active sulfide for a more extended period. In this regard, it is noteworthy that 38–39% of Parkinson’s disease patients belong to the poor sulphoxide cohort, being exposed to higher levels of active sulfide, the active antioxidant metabolite of S-carboxymethyl-L-cysteine. Parkinson’s disease is a neurodegenerative disorder that affects predominately dopaminergic neurons. It has been demonstrated that oxidative stress and mitochondrial dysfunction play a crucial role in the degeneration of dopaminergic neurons. Based on this evidence, in this study, we evaluated the effects of S-carboxymethyl cysteine in an in vitro model of Parkinson’s disease in protecting against oxidative stress injury. The data obtained suggested that an S-carboxymethylcysteine-enriched diet could be beneficial during aging to protect neurons from oxidative imbalance and mitochondrial dysfunction, thus preventing the progression of neurodegenerative processes.
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36
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Caruso G, Torrisi SA, Mogavero MP, Currenti W, Castellano S, Godos J, Ferri R, Galvano F, Leggio GM, Grosso G, Caraci F. Polyphenols and neuroprotection: Therapeutic implications for cognitive decline. Pharmacol Ther 2021; 232:108013. [PMID: 34624428 DOI: 10.1016/j.pharmthera.2021.108013] [Citation(s) in RCA: 58] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 09/07/2021] [Accepted: 09/28/2021] [Indexed: 02/09/2023]
Abstract
Dietary polyphenols have been the focus of major interest for their potential benefits on human health. Several preclinical studies have been conducted to provide a rationale for their potential use as therapeutic agents in preventing or ameliorating cognitive decline. However, results from human studies are scarce and poorly documented. The aim of this review was to discuss the potential mechanisms involved in age-related cognitive decline or early stage cognitive impairment and current evidence from clinical human studies conducted on polyphenols and the aforementioned outcomes. The evidence published so far is encouraging but contrasting findings are to be taken into account. Most studies on anthocyanins showed a consistent positive effect on various cognitive aspects related to aging or early stages of cognitive impairment. Studies on cocoa flavanols, resveratrol, and isoflavones provided substantial contrasting results and further research is needed to clarify the therapeutic potential of these compounds. Results from other studies on quercetin, green tea flavanols, hydroxycinnamic acids (such as chlorogenic acid), curcumin, and olive oil tyrosol and derivatives are rather promising but still too few to provide any real conclusions. Future translational studies are needed to address issues related to dosage, optimal formulations to improve bioavailability, as well as better control for the overall diet, and correct target population.
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Affiliation(s)
- Giuseppe Caruso
- Department of Drug and Health Sciences, University of Catania, Catania, Italy
| | - Sebastiano A Torrisi
- Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Maria Paola Mogavero
- Istituti Clinici Scientifici Maugeri, IRCCS, Scientific Institute of Pavia, Pavia, Italy
| | - Walter Currenti
- Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Sabrina Castellano
- Department of Educational Sciences, University of Catania, Catania, Italy
| | - Justyna Godos
- Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | | | - Fabio Galvano
- Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Gian Marco Leggio
- Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Giuseppe Grosso
- Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy.
| | - Filippo Caraci
- Department of Drug and Health Sciences, University of Catania, Catania, Italy; Oasi Research Institute - IRCCS, Troina, Italy
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Chan HJ, Yanshree, Roy J, Tipoe GL, Fung ML, Lim LW. Therapeutic Potential of Human Stem Cell Implantation in Alzheimer's Disease. Int J Mol Sci 2021; 22:10151. [PMID: 34576314 PMCID: PMC8471075 DOI: 10.3390/ijms221810151] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 09/14/2021] [Accepted: 09/15/2021] [Indexed: 12/27/2022] Open
Abstract
Alzheimer's disease (AD) is a progressive debilitating neurodegenerative disease and the most common form of dementia in the older population. At present, there is no definitive effective treatment for AD. Therefore, researchers are now looking at stem cell therapy as a possible treatment for AD, but whether stem cells are safe and effective in humans is still not clear. In this narrative review, we discuss both preclinical studies and clinical trials on the therapeutic potential of human stem cells in AD. Preclinical studies have successfully differentiated stem cells into neurons in vitro, indicating the potential viability of stem cell therapy in neurodegenerative diseases. Preclinical studies have also shown that stem cell therapy is safe and effective in improving cognitive performance in animal models, as demonstrated in the Morris water maze test and novel object recognition test. Although few clinical trials have been completed and many trials are still in phase I and II, the initial results confirm the outcomes of the preclinical studies. However, limitations like rejection, tumorigenicity, and ethical issues are still barriers to the advancement of stem cell therapy. In conclusion, the use of stem cells in the treatment of AD shows promise in terms of effectiveness and safety.
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Affiliation(s)
| | | | | | | | | | - Lee Wei Lim
- School of Biomedical, Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China; (H.J.C.); (Y.); (J.R.); (G.L.T.); (M.-L.F.)
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38
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Rinaldi C, Donato L, Alibrandi S, Scimone C, D’Angelo R, Sidoti A. Oxidative Stress and the Neurovascular Unit. Life (Basel) 2021; 11:life11080767. [PMID: 34440511 PMCID: PMC8398978 DOI: 10.3390/life11080767] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 07/27/2021] [Accepted: 07/28/2021] [Indexed: 12/15/2022] Open
Abstract
The neurovascular unit (NVU) is a relatively recent concept that clearly describes the relationship between brain cells and their blood vessels. The components of the NVU, comprising different types of cells, are so interrelated and associated with each other that they are considered as a single functioning unit. For this reason, even slight disturbances in the NVU could severely affect brain homeostasis and health. In this review, we aim to describe the current state of knowledge concerning the role of oxidative stress on the neurovascular unit and the role of a single cell type in the NVU crosstalk.
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Affiliation(s)
- Carmela Rinaldi
- Department of Biomedical, Dental, Morphological and Functional Imaging Sciences, University of Messina, Via Consolare Valeria 1, 98125 Messina, Italy; (C.R.); (L.D.); (S.A.); (R.D.); (A.S.)
| | - Luigi Donato
- Department of Biomedical, Dental, Morphological and Functional Imaging Sciences, University of Messina, Via Consolare Valeria 1, 98125 Messina, Italy; (C.R.); (L.D.); (S.A.); (R.D.); (A.S.)
- Department of Biomolecular Strategies, Genetics and Avant-Garde Therapies, Istituto Euro-Mediterraneo di Scienza e Tecnologia (I.E.ME.S.T.), Via Michele Miraglia, 90139 Palermo, Italy
| | - Simona Alibrandi
- Department of Biomedical, Dental, Morphological and Functional Imaging Sciences, University of Messina, Via Consolare Valeria 1, 98125 Messina, Italy; (C.R.); (L.D.); (S.A.); (R.D.); (A.S.)
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno d’Alcontres 31, 98166 Messina, Italy
| | - Concetta Scimone
- Department of Biomedical, Dental, Morphological and Functional Imaging Sciences, University of Messina, Via Consolare Valeria 1, 98125 Messina, Italy; (C.R.); (L.D.); (S.A.); (R.D.); (A.S.)
- Department of Biomolecular Strategies, Genetics and Avant-Garde Therapies, Istituto Euro-Mediterraneo di Scienza e Tecnologia (I.E.ME.S.T.), Via Michele Miraglia, 90139 Palermo, Italy
- Correspondence:
| | - Rosalia D’Angelo
- Department of Biomedical, Dental, Morphological and Functional Imaging Sciences, University of Messina, Via Consolare Valeria 1, 98125 Messina, Italy; (C.R.); (L.D.); (S.A.); (R.D.); (A.S.)
| | - Antonina Sidoti
- Department of Biomedical, Dental, Morphological and Functional Imaging Sciences, University of Messina, Via Consolare Valeria 1, 98125 Messina, Italy; (C.R.); (L.D.); (S.A.); (R.D.); (A.S.)
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39
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Su Z, Ren N, Ling Z, Sheng L, Zhou S, Guo C, Ke Z, Xu T, Qin Z. Differential expression of microRNAs associated with neurodegenerative diseases and diabetic nephropathy in protein l-isoaspartyl methyltransferase-deficient mice. Cell Biol Int 2021; 45:2316-2330. [PMID: 34314072 DOI: 10.1002/cbin.11679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Revised: 07/15/2021] [Accepted: 07/24/2021] [Indexed: 11/05/2022]
Abstract
Protein l-isoaspartyl methyltransferase (PIMT/PCMT1), an enzyme repairing isoaspartate residues in peptides and proteins that result from the spontaneous decomposition of normal l-aspartyl and l-asparaginyl residues during aging, has been revealed to be involved in neurodegenerative diseases (NDDs) and diabetes. However, the molecular mechanisms for a putative association of PIMT dysfunction with these diseases have not been clarified. Our study aimed to identify differentially expressed microRNAs (miRNAs) in the brain and kidneys of PIMT-deficient mice and uncover the epigenetic mechanism of PIMT-involved NDDs and diabetic nephropathy (DN). Differentially expressed miRNAs by sequencing underwent target prediction and enrichment analysis in the brain and kidney of PIMT knockout (KO) mice and age-matched wild-type (WT) littermates. Sequence analysis revealed 40 differentially expressed miRNAs in the PIMT KO mouse brain including 25 upregulated miRNAs and 15 downregulated miRNAs. In the PIMT KO mouse kidney, there were 80 differentially expressed miRNAs including 40 upregulated miRNAs and 40 downregulated miRNAs. Enrichment analysis and a systematic literature review of differentially expressed miRNAs indicated the involvement of PIMT deficiency in the pathogenesis in NDDs and DN. Some overlapped differentially expressed miRNAs between the brain and kidney were quantitatively assessed in the brain, kidney, and serum-derived exosomes, respectively. Despite being preliminary, these results may aid in investigating the pathological hallmarks and identify the potential therapeutic targets and biomarkers for PIMT dysfunction-related NDDs and DN.
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Affiliation(s)
- Zhonghao Su
- Department of Febrile Disease, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Na Ren
- Department of Anatomy, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Zicheng Ling
- Department of Anatomy, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Lanyue Sheng
- Department of Anatomy, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Sirui Zhou
- Department of Anatomy, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Chunxia Guo
- Department of Anatomy, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Zunji Ke
- Academy of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Tiefeng Xu
- Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Zhenxia Qin
- Department of Anatomy, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Academy of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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40
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Lin X, Wang R, Li R, Tao T, Zhang D, Qi Y. Diagnostic Performance of miR-485-3p in Patients with Parkinson's Disease and its Relationship with Neuroinflammation. Neuromolecular Med 2021; 24:195-201. [PMID: 34279788 DOI: 10.1007/s12017-021-08676-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Accepted: 07/06/2021] [Indexed: 01/30/2023]
Abstract
Parkinson's disease (PD) is one of the most common progressive neurodegenerative diseases. Some microRNAs (miRNAs) play critical roles in the development of many neurological diseases. This study aims to evaluate the clinical significance and biological function of miR-485-3p in the development and progression of PD. The expression of miR-485-3p in serum of PD patients was analyzed by quantitative real-time PCR (qRT-PCR). LPS-treated microglia BV2 cells were used to mimic neuroinflammation in the pathogenesis of PD. The levels of inflammatory cytokines, including IL-1β, IL-6 and TNF-α, were detected by enzyme-linked immunosorbent assay (ELISA). The diagnosis value of miR-485-3p was evaluated by plotting receiver operating characteristic (ROC) curves. A luciferase reporter assay was performed to demonstrate the interaction between miR-485-3p and FBXO45. The results showed that miR-485-3p was significantly up-regulated in serum of PD patients compared with that in both Alzheimer's disease (AD) and healthy cases, and had diagnostic accuracy for PD screening. The activated microglia BV2 cells induced by LPS also had elevated miR-485-3p, and the knockdown of miR-485-3p inhibited the release of pro-inflammatory cytokines. FBXO protein 45 (FBXO45) served as a potential target of miR-485-3p, which was speculated to mediate the function of miR-485-3p. Our results suggest that the up-regulated expression of miR-485-3p in PD may be a novel diagnostic biomarker for PD. Reducing the expression level of miR-485-3p can inhibit the inflammatory responses of BV2 cells, which indicated that miR-485-3p, as a regulator of neuroinflammation, may have the potential as a therapeutic target in PD.
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Affiliation(s)
- Xia Lin
- Department of Neurology, Taizhou Central Hospital (Taizhou University Hospital), Taizhou, 318000, Zhejiang, China
| | - Rui Wang
- Department of Neurology, Liaocheng People's Hospital, Liaocheng, 252000, Shandong, China
| | - Ran Li
- Department of Neurology, Weifang Hospital of Traditional Chinese Medicine, Weifang, 261014, Shandong, China
| | - Taotao Tao
- Department of Neurology, Taizhou Central Hospital (Taizhou University Hospital), Taizhou, 318000, Zhejiang, China
| | - Danhong Zhang
- Department of Neurology, Taizhou Central Hospital (Taizhou University Hospital), Taizhou, 318000, Zhejiang, China
| | - Yuxiang Qi
- Department of Neurology, Shengli Oilfield Central Hospital, No. 31, Jinan Road, Dongying District, Dongying, 257000, Shandong, China.
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41
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Behl T, Kaur I, Sehgal A, Singh S, Bhatia S, Al-Harrasi A, Zengin G, Bumbu AG, Andronie-Cioara FL, Nechifor AC, Gitea D, Bungau AF, Toma MM, Bungau SG. The Footprint of Kynurenine Pathway in Neurodegeneration: Janus-Faced Role in Parkinson's Disorder and Therapeutic Implications. Int J Mol Sci 2021; 22:6737. [PMID: 34201647 PMCID: PMC8268239 DOI: 10.3390/ijms22136737] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 06/17/2021] [Accepted: 06/21/2021] [Indexed: 02/06/2023] Open
Abstract
Progressive degeneration of neurons and aggravation of dopaminergic neurons in the substantia nigra pars compacta results in the loss of dopamine in the brain of Parkinson's disease (PD) patients. Numerous therapies, exhibiting transient efficacy have been developed; however, they are mostly accompanied by side effects and limited reliability, therefore instigating the need to develop novel optimistic treatment targets. Significant therapeutic targets have been identified, namely: chaperones, protein Abelson, glucocerebrosidase-1, calcium, neuromelanin, ubiquitin-proteasome system, neuroinflammation, mitochondrial dysfunction, and the kynurenine pathway (KP). The role of KP and its metabolites and enzymes in PD, namely quinolinic acid (QUIN), kynurenic acid (KYNA), 3-hydroxykynurenine (3-HK), 3-hydroxyanthranillic acid (3-HAA), kunurenine-3-monooxygenase (KMO), etc. has been reported. The neurotoxic QUIN, N-methyl-D-aspartate (NMDA) receptor agonist, and neuroprotective KYNA-which antagonizes QUIN actions-primarily justify the Janus-faced role of KP in PD. Moreover, KP has been reported to play a biomarker role in PD detection. Therefore, the authors detail the neurotoxic, neuroprotective, and immunomodulatory neuroactive components, alongside the upstream and downstream metabolic pathways of KP, forming a basis for a therapeutic paradigm of the disease while recognizing KP as a potential biomarker in PD, thus facilitating the development of a suitable target in PD management.
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Affiliation(s)
- Tapan Behl
- Department of Pharmacology, Chitkara College of Pharmacy, Chitkara University, Punjab 140401, India; (I.K.); (A.S.); (S.S.)
| | - Ishnoor Kaur
- Department of Pharmacology, Chitkara College of Pharmacy, Chitkara University, Punjab 140401, India; (I.K.); (A.S.); (S.S.)
| | - Aayush Sehgal
- Department of Pharmacology, Chitkara College of Pharmacy, Chitkara University, Punjab 140401, India; (I.K.); (A.S.); (S.S.)
| | - Sukhbir Singh
- Department of Pharmacology, Chitkara College of Pharmacy, Chitkara University, Punjab 140401, India; (I.K.); (A.S.); (S.S.)
| | - Saurabh Bhatia
- Amity Institute of Pharmacy, Amity University, Gurugram, Haryana 122412, India;
- Natural and Medical Sciences Research Centre, University of Nizwa, P.O. Box 33, PC 616 Birkat Al Mouz, Nizwa 611, Oman;
| | - Ahmed Al-Harrasi
- Natural and Medical Sciences Research Centre, University of Nizwa, P.O. Box 33, PC 616 Birkat Al Mouz, Nizwa 611, Oman;
| | - Gokhan Zengin
- Department of Biology, Faculty of Science, Selcuk University Campus, Konya 42130, Turkey;
| | - Adrian Gheorghe Bumbu
- Department of Surgical Disciplines, Faculty of Medicine and Pharmacy, University of Oradea, 410073 Oradea, Romania;
| | - Felicia Liana Andronie-Cioara
- Department of Psycho-Neuroscience and Recovery, Faculty of Medicine and Pharmacy, University of Oradea, 410073 Oradea, Romania;
| | - Aurelia Cristina Nechifor
- Analytical Chemistry and Environmental Engineering Department, Polytechnic University of Bucharest, 011061 Bucharest, Romania;
| | - Daniela Gitea
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, 410028 Oradea, Romania; (D.G.); (M.M.T.)
| | | | - Mirela Marioara Toma
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, 410028 Oradea, Romania; (D.G.); (M.M.T.)
- Doctoral School of Biomedical Sciences, University of Oradea, 410087 Oradea, Romania
| | - Simona Gabriela Bungau
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, 410028 Oradea, Romania; (D.G.); (M.M.T.)
- Doctoral School of Biomedical Sciences, University of Oradea, 410087 Oradea, Romania
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Stressed mitochondria: A target to intrude alzheimer's disease. Mitochondrion 2021; 59:48-57. [PMID: 33839319 DOI: 10.1016/j.mito.2021.04.004] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 03/30/2021] [Accepted: 04/05/2021] [Indexed: 12/12/2022]
Abstract
Alzheimer's disease (AD) is the inoperable, incapacitating, neuropsychiatric, and degenerative manifestation that drastically affects human life quality. The current medications target extra-neuronal senile plaques, oxidative stress, neuroinflammation, intraneuronal neurofibrillary tangles, cholinergic deficits, and excitotoxicity. Among novel pathways and targets, bioenergetic and resultant mitochondrial dysfunction has been recognized as essential factors that decide the neuronal fate and consequent neurodegeneration in AD. The crucial attributes of mitochondria, including bioenergesis, signaling, sensing, integrating, and transmitting biological signals contribute to optimum networking of neuronal dynamics and make them indispensable for cell survival. In AD, mitochondrial dysfunction and mitophagy are a preliminary and critical event that aggravates the pathological cascade. Stress is known to promote and exaggerate the neuropathological alteration during neurodegeneration and metabolic impairments, especially in the cortico-limbic system, besides adversely affecting the normal physiology and mitochondrial dynamics. Stress involves the allocation of energy resources for neuronal survival. Chronic and aggravated stress response leads to excessive release of glucocorticoids by activation of the hypothalamic-pituitaryadrenal (HPA) axis. By acting through their receptors, glucocorticoids influence adverse mitochondrial changes and alter mtDNA transcription, mtRNA expression, hippocampal mitochondrial network, and ultimately mitochondrial physiology. Chronic stress also affects mitochondrial dynamics by changing metabolic and neuro-endocrinal signalling, aggravating oxidative stress, provoking inflammatory mediators, altering tropic factors, influencing gene expression, and modifying epigenetic pathways. Thus, exploring chronic stress-induced glucocorticoid dysregulation and resultant bio-behavioral and psychosomatic mitochondrial alterations may be a feasible narrative to investigate and unravel the mysterious pathobiology of AD.
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Huang SH, Fang ST, Chen YC. Molecular Mechanism of Vitamin K2 Protection against Amyloid-β-Induced Cytotoxicity. Biomolecules 2021; 11:423. [PMID: 33805625 PMCID: PMC8000266 DOI: 10.3390/biom11030423] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 03/05/2021] [Accepted: 03/11/2021] [Indexed: 12/12/2022] Open
Abstract
The pathological role of vitamin K2 in Alzheimer's disease (AD) involves a definite link between impaired cognitive functions and decreased serum vitamin K levels. Vitamin K2 supplementation may have a protective effect on AD. However, the mechanism underlying vitamin K2 protection has not been elucidated. With the amyloid-β (Aβ) cascade hypothesis, we constructed a clone containing the C-terminal fragment of amyloid precursor protein (β-CTF/APP), transfected in astroglioma C6 cells and used this cell model (β-CTF/C6) to study the protective effect of vitamin K2 against Aβ cytotoxicity. Both cellular and biochemical assays, including cell viability and reactive oxygen species (ROS), assays assay, and Western blot and caspase activity analyses, were used to characterize and unveil the protective role and mechanism of vitamin K2 protecting against Aβ-induced cytotoxicity. Vitamin K2 treatment dose-dependently decreased the death of neural cells. The protective effect of vitamin K2 could be abolished by adding warfarin, a vitamin K2 antagonist. The addition of vitamin K2 reduced the ROS formation and inhibited the caspase-3 mediated apoptosis induced by Aβ peptides, indicating that the mechanism underlying the vitamin K2 protection is likely against Aβ-mediated apoptosis. Inhibitor assay and Western blot analyses revealed that the possible mechanism of vitamin K2 protection against Aβ-mediated apoptosis might be via regulating phosphatidylinositol 3-kinase (PI3K) associated-signaling pathway and inhibiting caspase-3-mediated apoptosis. Our study demonstrates that vitamin K2 can protect neural cells against Aβ toxicity.
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Affiliation(s)
| | | | - Yi-Cheng Chen
- Department of Medicine, MacKay Medical College, New Taipei City 252, Taiwan; (S.-H.H.); (S.-T.F.)
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44
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Abstract
A three-part mechanism is proposed for the induction of Alzheimer’s disease: (1) decreased blood lactic acid; (2) increased blood ceramide and adipokines; (3) decreased blood folic acid. The age-related nature of these mechanisms comes from age-associated decreased muscle mass, increased visceral fat and changes in diet. This mechanism also explains why many people do not develop Alzheimer’s disease. Simple changes in lifestyle and diet can prevent Alzheimer’s disease. Alzheimer’s disease is caused by a cascade of events that culminates in damage to the blood–brain barrier and damage to neurons. The blood–brain barrier keeps toxic molecules out of the brain and retains essential molecules in the brain. Lactic acid is a nutrient to the brain and is produced by exercise. Damage to endothelial cells and pericytes by inadequate lactic acid leads to blood–brain barrier damage and brain damage. Inadequate folate intake and oxidative stress induced by activation of transient receptor potential cation channels and endothelial nitric oxide synthase damage the blood–brain barrier. NAD depletion due to inadequate intake of nicotinamide and alterations in the kynurenine pathway damages neurons. Changes in microRNA levels may be the terminal events that cause neuronal death leading to Alzheimer’s disease. A new mechanism of Alzheimer’s disease induction is presented involving lactic acid, ceramide, IL-1β, tumor necrosis factor α, folate, nicotinamide, kynurenine metabolites and microRNA.
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Medala VK, Gollapelli B, Dewanjee S, Ogunmokun G, Kandimalla R, Vallamkondu J. Mitochondrial dysfunction, mitophagy, and role of dynamin-related protein 1 in Alzheimer's disease. J Neurosci Res 2021; 99:1120-1135. [PMID: 33465841 DOI: 10.1002/jnr.24781] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Accepted: 12/10/2020] [Indexed: 12/12/2022]
Abstract
Alzheimer's disease (AD) is the most common type of dementia and progressive neurodegenerative disease. The presence of β-amyloid (Aβ) plaques and phosphorylated Tau tangles are considered to be the two main hallmarks of AD. Recent findings have shown that different changes in the structure and dynamics of mitochondria play an important role in AD pathology progression. Mitochondrial changes in AD are expressed as enhanced mitochondrial fragmentation, altered mitochondrial dynamics, and changes in the expression of mitochondrial biogenesis genes in vitro and in vivo models. Therefore, targeting mitochondria and associated mitochondrial proteins seems to be a promising alternative instead of targeting Aβ and Tau in the prevention of Alzheimer's disease. The dynamin-related protein (Drp1) is one such protein that plays an important role in the regulation of mitochondrial division and maintenance of mitochondrial structures. Few researchers have shown that inhibition of Drp1 GTPase activity in neuronal cells rescues excessive mitochondrial fragmentation. In addition, the growing evidence revealed that Drp1 can interact with both Aβ and Tau protein in human brain tissues and mouse models. In this review, we would like to update existing knowledge about various changes in and around mitochondria related to the pathogenesis of Alzheimer's disease, with particular emphasis on mitophagy and autophagy.
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Affiliation(s)
| | - Buchaiah Gollapelli
- Department of Physics, National Institute of Technology-Warangal, Warangal, India
| | - Saikat Dewanjee
- Advanced Pharmacognosy Research Laboratory, Department of Pharmaceutical Technology, Jadavpur University, Kolkata, India
| | | | - Ramesh Kandimalla
- Applied Biology, CSIR-Indian Institute of Chemical Technology, Hyderabad, India.,Department of Biochemistry, Kakatiya Medical College, Warangal, India
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Török N, Tanaka M, Vécsei L. Searching for Peripheral Biomarkers in Neurodegenerative Diseases: The Tryptophan-Kynurenine Metabolic Pathway. Int J Mol Sci 2020; 21:E9338. [PMID: 33302404 PMCID: PMC7762583 DOI: 10.3390/ijms21249338] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 11/28/2020] [Accepted: 11/29/2020] [Indexed: 12/11/2022] Open
Abstract
Neurodegenerative diseases are multifactorial, initiated by a series of the causative complex which develops into a certain clinical picture. The pathogenesis and disease course vary from patient to patient. Thus, it should be likewise to the treatment. Peripheral biomarkers are to play a central role for tailoring a personalized therapeutic plan for patients who suffered from neurodegenerative diseases such as Alzheimer's disease, Parkinson's disease, and multiple sclerosis, among others. Nevertheless, the use of biomarkers in clinical practice is still underappreciated and data presented in biomarker research for clinical use is still uncompelling, compared to the abundant data available for drug research and development. So is the case with kynurenines (KYNs) and the kynurenine pathway (KP) enzymes, which have been associated with a wide range of diseases including cancer, autoimmune diseases, inflammatory diseases, neurologic diseases, and psychiatric disorders. This review article discusses current knowledge of KP alterations observed in the central nervous system as well as the periphery, its involvement in pathogenesis and disease progression, and emerging evidence of roles of microbiota in the gut-brain axis, searching for practical peripheral biomarkers which ensure personalized treatment plans for neurodegenerative diseases.
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Affiliation(s)
- Nóra Török
- MTA-SZTE, Neuroscience Research Group, Semmelweis u. 6, H-6725 Szeged, Hungary; (N.T.); (M.T.)
| | - Masaru Tanaka
- MTA-SZTE, Neuroscience Research Group, Semmelweis u. 6, H-6725 Szeged, Hungary; (N.T.); (M.T.)
- Department of Neurology, Interdisciplinary Excellence Centre, Faculty of Medicine, University of Szeged, Semmelweis u. 6, H-6725 Szeged, Hungary
| | - László Vécsei
- MTA-SZTE, Neuroscience Research Group, Semmelweis u. 6, H-6725 Szeged, Hungary; (N.T.); (M.T.)
- Department of Neurology, Interdisciplinary Excellence Centre, Faculty of Medicine, University of Szeged, Semmelweis u. 6, H-6725 Szeged, Hungary
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Verma V, Singh D, KH R. Sinapic Acid Alleviates Oxidative Stress and Neuro-Inflammatory Changes in Sporadic Model of Alzheimer's Disease in Rats. Brain Sci 2020; 10:E923. [PMID: 33266113 PMCID: PMC7760902 DOI: 10.3390/brainsci10120923] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 11/25/2020] [Accepted: 11/26/2020] [Indexed: 02/06/2023] Open
Abstract
The role of oxidative stress, neuro-inflammation and cholinergic dysfunction is already established in the development of Alzheimer's disease (AD). Sinapic acid (SA), a hydroxylcinnamic acid derivative, has shown neuro-protective effects. The current study evaluates the neuro-protective potential of SA in intracerebroventricular streptozotocin (ICV-STZ) induced cognitive impairment in rats. Male Wistar rats were bilaterally injected with ICV-STZ. SA was administered intragastrically once daily for three weeks. Rats were divided into sham, ICV-STZ, STZ + SA (10 mg/kg), STZ + SA (20 mg/kg) and SA per se (20 mg/kg). Behavioral tests were assessed on day 0 and 21 days after STZ. Later, rats were sacrificed for biochemical parameters, pro-inflammatory cytokines, choline acetyltransferase (ChAT) expression and neuronal loss in the CA1 region of the hippocampus. The results showed that SA 20 mg/kg significantly (p < 0.05) improved cognitive impairment as assessed by Morris water maze and passive avoidance tests. SA 20 mg/kg reinstated the altered levels of GSH, MDA, TNF-α and IL-1β in the cortex and hippocampus. STZ-induced decreased expression of ChAT and neuronal loss were also significantly (p < 0.05) improved with SA. Our results showed that SA exhibits neuro-protection against ICV-STZ induced oxidative stress, neuro-inflammation, cholinergic dysfunction and neuronal loss, suggesting its potential in improving learning and memory in patients of AD.
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Affiliation(s)
| | | | - Reeta KH
- Department of Pharmacology, AIIMS, New Delhi 110029, India; (V.V.); (D.S.)
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Homo-Tris-Nitrones Derived from α-Phenyl- N-tert-butylnitrone: Synthesis, Neuroprotection and Antioxidant Properties. Int J Mol Sci 2020; 21:ijms21217949. [PMID: 33114714 PMCID: PMC7663103 DOI: 10.3390/ijms21217949] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 10/20/2020] [Accepted: 10/21/2020] [Indexed: 12/11/2022] Open
Abstract
Herein we report the synthesis, antioxidant and neuroprotective power of homo-tris-nitrones (HTN) 1-3, designed on the hypothesis that the incorporation of a third nitrone motif into our previously identified homo-bis-nitrone 6 (HBN6) would result in an improved and stronger neuroprotection. The neuroprotection of HTNs 1-3, measured against oligomycin A/rotenone, showed that HTN2 was the best neuroprotective agent at a lower dose (EC50 = 51.63 ± 4.32 μM), being similar in EC50 and maximal activity to α-phenyl-N-tert-butylnitrone (PBN) and less potent than any of HBNs 4-6. The results of neuroprotection in an in vitro oxygen glucose deprivation model showed that HTN2 was the most powerful (EC50 = 87.57 ± 3.87 μM), at lower dose, but 50-fold higher than its analogous HBN5, and ≈1.7-fold less potent than PBN. HTN3 had a very good antinecrotic (IC50 = 3.47 ± 0.57 μM), antiapoptotic, and antioxidant (EC50 = 6.77 ± 1.35 μM) profile, very similar to that of its analogous HBN6. In spite of these results, and still being attractive neuroprotective agents, HTNs 2 and 3 do not have better neuroprotective properties than HBN6, but clearly exceed that of PBN.
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Tanaka M, Vécsei L. Monitoring the Redox Status in Multiple Sclerosis. Biomedicines 2020; 8:E406. [PMID: 33053739 PMCID: PMC7599550 DOI: 10.3390/biomedicines8100406] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 10/07/2020] [Accepted: 10/09/2020] [Indexed: 02/07/2023] Open
Abstract
Worldwide, over 2.2 million people suffer from multiple sclerosis (MS), a multifactorial demyelinating disease of the central nervous system. MS is characterized by a wide range of motor, autonomic, and psychobehavioral symptoms, including depression, anxiety, and dementia. The blood, cerebrospinal fluid, and postmortem brain samples of MS patients provide evidence on the disturbance of reduction-oxidation (redox) homeostasis, such as the alterations of oxidative and antioxidative enzyme activities and the presence of degradation products. This review article discusses the components of redox homeostasis, including reactive chemical species, oxidative enzymes, antioxidative enzymes, and degradation products. The reactive chemical species cover frequently discussed reactive oxygen/nitrogen species, infrequently featured reactive chemicals such as sulfur, carbonyl, halogen, selenium, and nucleophilic species that potentially act as reductive, as well as pro-oxidative stressors. The antioxidative enzyme systems cover the nuclear factor erythroid-2-related factor 2 (NRF2)-Kelch-like ECH-associated protein 1 (KEAP1) signaling pathway. The NRF2 and other transcriptional factors potentially become a biomarker sensitive to the initial phase of oxidative stress. Altered components of the redox homeostasis in MS were discussed in search of a diagnostic, prognostic, predictive, and/or therapeutic biomarker. Finally, monitoring the battery of reactive chemical species, oxidative enzymes, antioxidative enzymes, and degradation products helps to evaluate the redox status of MS patients to expedite the building of personalized treatment plans for the sake of a better quality of life.
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Affiliation(s)
- Masaru Tanaka
- MTA-SZTE, Neuroscience Research Group, Semmelweis u. 6, H-6725 Szeged, Hungary;
- Department of Neurology, Interdisciplinary Excellence Centre, Faculty of Medicine, University of Szeged, Semmelweis u. 6, H-6725 Szeged, Hungary
| | - László Vécsei
- MTA-SZTE, Neuroscience Research Group, Semmelweis u. 6, H-6725 Szeged, Hungary;
- Department of Neurology, Interdisciplinary Excellence Centre, Faculty of Medicine, University of Szeged, Semmelweis u. 6, H-6725 Szeged, Hungary
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50
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The Functional Role of microRNAs in the Pathogenesis of Tauopathy. Cells 2020; 9:cells9102262. [PMID: 33050194 PMCID: PMC7600742 DOI: 10.3390/cells9102262] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 09/30/2020] [Accepted: 10/02/2020] [Indexed: 12/11/2022] Open
Abstract
Tauopathies are neurodegenerative disorders which include Alzheimer's disease, Pick's disease, corticobasal degeneration, and progressive supranuclear palsy among others. Pathologically, they are characterized by the accumulation of highly phosphorylated and aggregated tau protein in different brain regions. Currently, the mechanisms responsible for their pathogenesis are not known, and for this reason, there is no cure. MicroRNAs (miRNAs) are abundantly present in the central nervous system where they act as master regulators of pathways considered important for tau post-translational modifications, metabolism, and clearance. Although in recent years, several miRNAs have been reported to be altered in tauopathy, we still do not know whether these changes contribute to the onset and progression of the disorder, or are secondary events following the development of tau neuropathology. Additionally, since miRNAs are relatively stable in biological fluids and their measurement is easy and non-invasive, these small molecules hold the potential to function as biomarkers for tauopathy. Herein, we showcase recent findings on the biological link between miRNAs and the pathogenesis of tauopathy, and present emerging evidence supporting their role as biomarkers and targets for novel therapies against them.
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