1
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Sinha A, So H. Synthesis of chiral graphene structures and their comprehensive applications: a critical review. NANOSCALE HORIZONS 2024. [PMID: 39171372 DOI: 10.1039/d4nh00021h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/23/2024]
Abstract
From a molecular viewpoint, chirality is a crucial factor in biological processes. Enantiomers of a molecule have identical chemical and physical properties, but chiral molecules found in species exist in one enantiomer form throughout life, growth, and evolution. Chiral graphene materials have considerable potential for application in various domains because of their unique structural framework, properties, and controlled synthesis, including chiral creation, segregation, and transmission. This review article provides an in-depth analysis of the synthesis of chiral graphene materials reported over the past decade, including chiral nanoribbons, chiral tunneling, chiral dichroism, chiral recognition, and chiral transfer. The second segment focuses on the diverse applications of chiral graphene in biological engineering, electrochemical sensors, and photodetectors. Finally, we discuss research challenges and potential future uses, along with probable outcomes.
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Affiliation(s)
- Animesh Sinha
- Department of Mechanical Convergence Engineering, Hanyang University, Seoul 04763, South Korea.
| | - Hongyun So
- Department of Mechanical Convergence Engineering, Hanyang University, Seoul 04763, South Korea.
- Institute of Nano Science and Technology, Hanyang University, Seoul 04763, South Korea
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2
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Esmaealzadeh N, Miri MS, Mavaddat H, Peyrovinasab A, Ghasemi Zargar S, Sirous Kabiri S, Razavi SM, Abdolghaffari AH. The regulating effect of curcumin on NF-κB pathway in neurodegenerative diseases: a review of the underlying mechanisms. Inflammopharmacology 2024; 32:2125-2151. [PMID: 38769198 DOI: 10.1007/s10787-024-01492-1] [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: 03/25/2024] [Accepted: 05/07/2024] [Indexed: 05/22/2024]
Abstract
Neurodegenerative diseases are part of the central nervous system (CNS) disorders that indicate their presence with neuronal loss, neuroinflammation, and increased oxidative stress. Several pathophysiological factors and biomarkers are involved in this inflammatory process causing these neurological disorders. The nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) is an inflammation element, which induced transcription and appears to be one of the important players in physiological procedures, especially nervous disorders. NF-κB can impact upon series of intracellular actions and induce or inhibit many inflammation-related pathways. Multiple reports have focused on the modification of NF-κB activity, controlling its expression, translocation, and signaling pathway in neurodegenerative disorders and injuries like Alzheimer's disease (AD), spinal cord injuries (SCI), and Parkinson's disease (PD). Curcumin has been noted to be a popular anti-oxidant and anti-inflammatory substance and is the foremost natural compound produced by turmeric. According to various studies, when playing an anti-inflammatory role, it interacts with several modulating proteins of long-standing disease signaling pathways and has an unprovocative consequence on pro-inflammatory cytokines. This review article determined to figure out curcumin's role in limiting the promotion of neurodegenerative disease via influencing the NF-κB signaling route. Preclinical studies were gathered from plenty of scientific platforms including PubMed, Scopus, Cochrane, and Google Scholar to evaluate this hypothesis. Extracted findings from the literature review explained the repressing impact of Curcumin on the NF-κB signaling pathway and, occasionally down-regulating the cytokine expression. Yet, there is an essential need for further analysis and specific clinical experiments to fully understand this subject.
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Affiliation(s)
- Niusha Esmaealzadeh
- Department of Traditional Pharmacy, School of Persian Medicine, Tehran University of Medical Sciences, Tehran, Iran
- Traditional Persian Medicine and Complementary Medicine (PerCoMed) Student Association, Students' Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran
- GI Pharmacology Interest Group (GPIG), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Mahdis Sadat Miri
- GI Pharmacology Interest Group (GPIG), Universal Scientific Education and Research Network (USERN), Tehran, Iran
- Department of Toxicology & Pharmacology, Faculty of Pharmacy, Tehran Medical Sciences, Islamic Azad University, No. 99, Yakhchal, Gholhak, Shariati St., P. O. Box: 19419-33111, Tehran, Iran
| | - Helia Mavaddat
- GI Pharmacology Interest Group (GPIG), Universal Scientific Education and Research Network (USERN), Tehran, Iran
- Department of Toxicology & Pharmacology, Faculty of Pharmacy, Tehran Medical Sciences, Islamic Azad University, No. 99, Yakhchal, Gholhak, Shariati St., P. O. Box: 19419-33111, Tehran, Iran
| | - Amirreza Peyrovinasab
- GI Pharmacology Interest Group (GPIG), Universal Scientific Education and Research Network (USERN), Tehran, Iran
- Department of Toxicology & Pharmacology, Faculty of Pharmacy, Tehran Medical Sciences, Islamic Azad University, No. 99, Yakhchal, Gholhak, Shariati St., P. O. Box: 19419-33111, Tehran, Iran
| | - Sara Ghasemi Zargar
- GI Pharmacology Interest Group (GPIG), Universal Scientific Education and Research Network (USERN), Tehran, Iran
- Department of Toxicology & Pharmacology, Faculty of Pharmacy, Tehran Medical Sciences, Islamic Azad University, No. 99, Yakhchal, Gholhak, Shariati St., P. O. Box: 19419-33111, Tehran, Iran
| | - Shirin Sirous Kabiri
- GI Pharmacology Interest Group (GPIG), Universal Scientific Education and Research Network (USERN), Tehran, Iran
- Department of Toxicology & Pharmacology, Faculty of Pharmacy, Tehran Medical Sciences, Islamic Azad University, No. 99, Yakhchal, Gholhak, Shariati St., P. O. Box: 19419-33111, Tehran, Iran
| | - Seyed Mehrad Razavi
- GI Pharmacology Interest Group (GPIG), Universal Scientific Education and Research Network (USERN), Tehran, Iran.
- Department of Toxicology & Pharmacology, Faculty of Pharmacy, Tehran Medical Sciences, Islamic Azad University, No. 99, Yakhchal, Gholhak, Shariati St., P. O. Box: 19419-33111, Tehran, Iran.
| | - Amir Hossein Abdolghaffari
- GI Pharmacology Interest Group (GPIG), Universal Scientific Education and Research Network (USERN), Tehran, Iran.
- Department of Toxicology & Pharmacology, Faculty of Pharmacy, Tehran Medical Sciences, Islamic Azad University, No. 99, Yakhchal, Gholhak, Shariati St., P. O. Box: 19419-33111, Tehran, Iran.
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3
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Shahouzaei N, Ghayoumi-Anaraki Z, Maleki Shahmahmood T, Torke Ladani N, Shoeibi A. Changes in speech prosody perception during Parkinson's disease: A comprehensive analysis. JOURNAL OF COMMUNICATION DISORDERS 2024; 110:106430. [PMID: 38754316 DOI: 10.1016/j.jcomdis.2024.106430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 04/15/2024] [Accepted: 04/30/2024] [Indexed: 05/18/2024]
Abstract
INTRODUCTION Parkinson's disease (PD) is a progressive neurodegenerative disorder that affects approximately 1%-2% of individuals aged 60 and above. Communication disorders in PD can significantly impact the overall quality of life. As prosody plays a vital role in verbal communication, the present study examines Persian prosody perception in PD, focusing on linguistic and emotional aspects of prosody. METHODS This cross-sectional study aimed to compare the perception of linguistic and emotional prosody in three groups: middle-aged adults (n = 22; mean age = 50.40 years), healthy older adults (n = 22; mean age = 68.31 years), and individuals with Parkinson's disease (n = 22; mean age = 65years). All individuals with PD were classified in stages 1; 1.5; 2; 2.5, and 3 of the disease using the Hoehn and Yahr scale. All participants had an MMSE score of 24 or above. The Florida Affect Battery (FAB) was used to evaluate prosody perception. This Battery was validated in the Persian language and its reliability and validity were reported as 94 % and 100 % respectively. RESULTS Participants with PD presented significantly lower scores than the older adults in all subtests of the FAB (p < 0.05), while healthy older adults were significantly different only in linguistic discrimination (β = -2.14; -3.68 to -0.61), and linguistic naming of prosody (β = 1.25; 0.17 to 2.33) compared to middle-aged adults. CONCLUSIONS The present study sheds light on the influence of PD on Persian prosody perception. Given the crucial role of prosody in verbal communication, these findings enhance our understanding of communication disorders in PD and could bring attention to consider prosody perception, among other aspects, when assessing individuals affected by PD.
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Affiliation(s)
- Nasrin Shahouzaei
- Department of Speech Therapy, School of Paramedical and Rehabilitation Sciences, Mashhad University of Medical Sciences, Mashhad, Iran; Rehabilitation Sciences Research Center, Zahedan University of Medical Sciences, Zahedan, Iran
| | - Zahra Ghayoumi-Anaraki
- Department of Speech Therapy, School of Paramedical and Rehabilitation Sciences, Mashhad University of Medical Sciences, Mashhad, Iran.
| | - Toktam Maleki Shahmahmood
- Department of Speech Therapy, School of Paramedical and Rehabilitation Sciences, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Narges Torke Ladani
- Department of Speech Therapy, School of Rehabilitation Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Ali Shoeibi
- Department of Neurology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
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Illes-Toth E, Rempel DL, Gross ML. Exploration of Resveratrol as a Potent Modulator of α-Synuclein Fibril Formation. ACS Chem Neurosci 2024; 15:503-516. [PMID: 38194353 PMCID: PMC10922803 DOI: 10.1021/acschemneuro.3c00571] [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] [Indexed: 01/10/2024] Open
Abstract
The molecular determinants of amyloid protein misfolding and aggregation are key for the development of therapeutic interventions in neurodegenerative disease. Although small synthetic molecules, bifunctional molecules, and natural products offer a potentially advantageous approach to therapeutics to remodel aggregation, their evaluation requires new platforms that are informed at the molecular level. To that end, we chose pulsed hydrogen/deuterium exchange mass spectrometry (HDX-MS) to discern the phenomena of aggregation modulation for a model system of alpha synuclein (αS) and resveratrol, an antiamyloid compound. We invoked, as a complement to HDX, advanced kinetic modeling described here to illuminate the details of aggregation and to determine the number of oligomeric populations by kinetically fitting the experimental data under conditions of limited proteolysis. The misfolding of αS is most evident within and nearby the nonamyloid-β component region, and resveratrol significantly remodels that aggregation. HDX distinguishes readily a less solvent-accessible, more structured oligomer that coexists with a solvent-accessible, more disordered oligomer during aggregation. A view of the misfolding emerges from time-dependent changes in the fractional species across the protein with or without resveratrol, while details were determined through kinetic modeling of the protected species. A detailed picture of the inhibitory action of resveratrol with time and regional specificity emerges, a picture that can be obtained for other inhibitors and amyloid proteins. Moreover, the model reveals that new states of aggregation are sampled, providing new insights on amyloid formation. The findings were corroborated by circular dichroism and transmission electron microscopy.
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Affiliation(s)
- Eva Illes-Toth
- Department of Chemistry, Washington University in St Louis, St Louis, Missouri 63130, United States
| | - Don L Rempel
- Department of Chemistry, Washington University in St Louis, St Louis, Missouri 63130, United States
| | - Michael L Gross
- Department of Chemistry, Washington University in St Louis, St Louis, Missouri 63130, United States
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Narwal S, Singh A, Tare M. Analysis of α-syn and parkin interaction in mediating neuronal death in Drosophila model of Parkinson's disease. Front Cell Neurosci 2024; 17:1295805. [PMID: 38239290 PMCID: PMC10794313 DOI: 10.3389/fncel.2023.1295805] [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: 09/17/2023] [Accepted: 12/01/2023] [Indexed: 01/22/2024] Open
Abstract
One of the hallmarks of Parkinson's Disease (PD) is aggregation of incorrectly folded α-synuclein (SNCA) protein resulting in selective death of dopaminergic neurons. Another form of PD is characterized by the loss-of-function of an E3-ubiquitin ligase, parkin. Mutations in SNCA and parkin result in impaired mitochondrial morphology, causing loss of dopaminergic neurons. Despite extensive research on the individual effects of SNCA and parkin, their interactions in dopaminergic neurons remain understudied. Here we employ Drosophila model to study the effect of collective overexpression of SNCA along with the downregulation of parkin in the dopaminergic neurons of the posterior brain. We found that overexpression of SNCA along with downregulation of parkin causes a reduction in the number of dopaminergic neuronal clusters in the posterior region of the adult brain, which is manifested as progressive locomotor dysfunction. Overexpression of SNCA and downregulation of parkin collectively results in altered mitochondrial morphology in a cluster-specific manner, only in a subset of dopaminergic neurons of the brain. Further, we found that SNCA overexpression causes transcriptional downregulation of parkin. However, this downregulation is not further enhanced upon collective SNCA overexpression and parkin downregulation. This suggests that the interactions of SNCA and parkin may not be additive. Our study thus provides insights into a potential link between α-synuclein and parkin interactions. These interactions result in altered mitochondrial morphology in a cluster-specific manner for dopaminergic neurons over a time, thus unraveling the molecular interactions involved in the etiology of Parkinson's Disease.
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Affiliation(s)
- Sonia Narwal
- Department of Biological Sciences, Birla Institute of Technology and Science, Pilani, Rajasthan, India
| | - Amit Singh
- Department of Biology, University of Dayton, Dayton, OH, United States
| | - Meghana Tare
- Department of Biological Sciences, Birla Institute of Technology and Science, Pilani, Rajasthan, India
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Chien CH, Lee MJ, Liou HC. Growth of B16F10 cells is enhanced in DJ-1-deficiency pancreas. Biochem Biophys Res Commun 2023; 682:359-364. [PMID: 37839104 DOI: 10.1016/j.bbrc.2023.10.039] [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: 10/08/2023] [Accepted: 10/09/2023] [Indexed: 10/17/2023]
Abstract
Association between cancer risk and Parkinson's disease is still debated. DJ-1, a Parkinson's disease (PD)-related gene, is encoded by PARK-7 gene and its deficiency causes early-onset PD. In our last studies, it was found that the immunosuppressive microenvironment established in DJ-1 knockout (KO) mice can enhance metastasis of melanoma cells to lungs. Therefore, we wanted to further examine whether there were some niche in other organs of DJ-1-deficiency mouse to facilitate cell growth of tumors. We used in vivo tissue-specific models of tumor growth and in vitro cellular model to verify the hypothesis. We also used protein blot assay, cell-adhesion assay and bioinformatic tools to conduct experiments. In the mouse model of subcutaneous injection, there was no difference on tumor growth between WT and DJ-1 KO mice. Moreover, the results of experimental liver metastasis by intrasplenic injection model showed that there was no difference of nodules number in both mice, but a dramatic enhancement of nodule formation and increased mucin4 levels were found in pancreas of DJ-1 KO mice. In cell cultures, we further found that B16F10 cells indeed tended to adhere well to primary DJ-1-deficiency pancreatic epithelial cells, which had higher protein levels of mucin4. Notably, a human database also showed the inverse relationship in human pancreas between DJ-1 and mucin4, and mucin4 down-regulation can reverse the enhanced cellular adhesion in DJ-1 KO pancreatic epithelial cells. These results indicated that DJ-1 KO pancreatic tissue creating an appropriate microenvironment benefited development of the cancer cells.
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Affiliation(s)
| | - Ming-Jen Lee
- Department of Neurology, National Taiwan University Hospital, Taipei, Taiwan; Department of Medical Genetics, National Taiwan University Hospital, Taipei, Taiwan
| | - Houng-Chi Liou
- Pharmacological Institute, College of Medicine, National Taiwan University, Taipei, Taiwan
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Rani N, Alam MM, Jamal A, Bin Ghaffar U, Parvez S. Caenorhabditis elegans: A transgenic model for studying age-associated neurodegenerative diseases. Ageing Res Rev 2023; 91:102036. [PMID: 37598759 DOI: 10.1016/j.arr.2023.102036] [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: 05/09/2023] [Revised: 08/15/2023] [Accepted: 08/17/2023] [Indexed: 08/22/2023]
Abstract
Neurodegenerative diseases (NDs) are a heterogeneous group of aging-associated ailments characterized by interrupting cellular proteostasic machinery and the misfolding of distinct proteins to form toxic aggregates in neurons. Neurodegenerative diseases, which include Alzheimer's disease (AD), Parkinson's disease (PD), amyotrophic lateral sclerosis (ALS), Huntington's disease (HD), and others, are becoming an increasing threat to human health worldwide. The degeneration and death of certain specific groups of neurons are the hallmarks of these diseases. Over the past decades, Caenorhabditis eleganshas beenwidely used as a transgenic model to investigate biological processes related to health and disease. The nematode Caenorhabditis elegans (C. elegans) has developed as a powerful tool for studying disease mechanisms due to its ease of genetic handling and instant cultivation while providing a whole-animal system amendable to several molecular and biochemical techniques. In this review, we elucidate the potential of C. elegans as a versatile platform for systematic dissection of the molecular basis of human disease, focusing on neurodegenerative disorders, and may help better our understanding of the disease mechanisms and search for new therapeutics for these devastating diseases.
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Affiliation(s)
- Nisha Rani
- Department of Toxicology, School of Chemical & Life Sciences, Jamia Hamdard, New Delhi 110062, India
| | - Mohammad Mumtaz Alam
- Drug Design and Medicinal Chemistry Lab, Department of Pharmaceutical Chemistry, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India
| | - Azfar Jamal
- Department of Biology, College of Science Al-Zulfi, Majmaah University, Al-Majmaah 11952, Saudi Arabia
| | - Usama Bin Ghaffar
- Department of Basic Science, College of Medicine, Majmaah University, Al-Majmaah 11952, Saudi Arabia
| | - Suhel Parvez
- Department of Toxicology, School of Chemical & Life Sciences, Jamia Hamdard, New Delhi 110062, India.
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Tsalenchuk M, Gentleman SM, Marzi SJ. Linking environmental risk factors with epigenetic mechanisms in Parkinson's disease. NPJ Parkinsons Dis 2023; 9:123. [PMID: 37626097 PMCID: PMC10457362 DOI: 10.1038/s41531-023-00568-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Accepted: 08/16/2023] [Indexed: 08/27/2023] Open
Abstract
Sporadic Parkinson's disease (PD) is a progressive neurodegenerative disease, with a complex risk structure thought to be influenced by interactions between genetic variants and environmental exposures, although the full aetiology is unknown. Environmental factors, including pesticides, have been reported to increase the risk of developing the disease. Growing evidence suggests epigenetic changes are key mechanisms by which these environmental factors act upon gene regulation, in disease-relevant cell types. We present a systematic review critically appraising and summarising the current body of evidence of the relationship between epigenetic mechanisms and environmental risk factors in PD to inform future research in this area. Epigenetic studies of relevant environmental risk factors in animal and cell models have yielded promising results, however, research in humans is just emerging. While published studies in humans are currently relatively limited, the importance of the field for the elucidation of molecular mechanisms of pathogenesis opens clear and promising avenues for the future of PD research. Carefully designed epidemiological studies carried out in PD patients hold great potential to uncover disease-relevant gene regulatory mechanisms. Therefore, to advance this burgeoning field, we recommend broadening the scope of investigations to include more environmental exposures, increasing sample sizes, focusing on disease-relevant cell types, and recruiting more diverse cohorts.
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Affiliation(s)
- Maria Tsalenchuk
- UK Dementia Research Institute, Imperial College London, London, UK
- Department of Brain Sciences, Imperial College London, London, UK
| | | | - Sarah J Marzi
- UK Dementia Research Institute, Imperial College London, London, UK.
- Department of Brain Sciences, Imperial College London, London, UK.
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Oliyaei N, Moosavi-Nasab M, Tanideh N, Iraji A. Multiple roles of fucoxanthin and astaxanthin against Alzheimer's disease: Their pharmacological potential and therapeutic insights. Brain Res Bull 2023; 193:11-21. [PMID: 36435362 DOI: 10.1016/j.brainresbull.2022.11.018] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 11/14/2022] [Accepted: 11/22/2022] [Indexed: 11/24/2022]
Abstract
Alzheimer's disease (AD) is the most devastating neurodegenerative disorder affecting the elderly. The exact pathology of AD is not yet fully understood and several hallmarks such as the deposition of amyloid-β, tau hyperphosphorylation, and neuroinflammation, as well as mitochondrial, metal ions, autophagy, and cholinergic dysfunctions are known as pathologic features of AD. Since no definitive treatment has been proposed to target AD to date, many natural products have shown promising preventive potentials and contributed to slowing down the disease progression. Algae is a promising source of novel bioactive substances known to prevent neurodegenerative disorders including AD. In this context, fucoxanthin and astaxanthin, natural carotenoids abundant in algae, has shown to possess neuroprotective properties through antioxidant, and anti-inflammatory characteristics in modulating the symptoms of AD. Fucoxanthin and astaxanthin exhibit anti-AD activities by inhibition of AChE, BuChE, BACE-1, and MAO, suppression of Aβ accumulation. Also, fucoxanthin and astaxanthin inhibit apoptosis induced by Aβ1-42 and H2O2-induced cytotoxicity, and modulate the antioxidant enzymes (SOD and CAT), through inhibition of the ERK pathway. Moreover, cellular and animal studies on the beneficial effects of fucoxanthin and astaxanthin against AD were also reviewed. The potential role of fucoxanthin and astaxanthin exhibits great efficacy for the management of AD by acting on multiple targets.
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Affiliation(s)
- Najmeh Oliyaei
- Stem Cells Technology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran; Seafood Processing Research Center, School of Agriculture, Shiraz University, Shiraz, Iran
| | - Marzieh Moosavi-Nasab
- Seafood Processing Research Center, School of Agriculture, Shiraz University, Shiraz, Iran; Department of Food Science and Technology, School of Agriculture, Shiraz University, Shiraz, Iran.
| | - Nader Tanideh
- Stem Cells Technology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Aida Iraji
- Stem Cells Technology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran; Central Research laboratory, Shiraz University of Medical Sciences, Shiraz, Iran.
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Intermittent fasting protects the nigral dopaminergic neurons from MPTP-mediated dopaminergic neuronal injury in mice. J Nutr Biochem 2023; 112:109212. [PMID: 36370926 DOI: 10.1016/j.jnutbio.2022.109212] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 07/15/2022] [Accepted: 09/23/2022] [Indexed: 11/11/2022]
Abstract
Dietary restriction through low-calorie intake or intermittent fasting benefits many organs, including the brain. This study investigated the neuroprotective effects of fasting in a 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) mouse model of Parkinson's disease. We found that fasting every other day rather than weekly increased the levels of brain-derived neurotrophic factor and glial-derived neurotrophic factor in the nigrostriatal pathway. Therefore, we maintained the animals on alternate-day fasting for 2 weeks and injected MPTP (30 mg/kg/day, intraperitoneally [i.p.]) for five days. We observed that alternate-day fasting attenuated MPTP-induced dopaminergic neuronal loss and astroglial activation in the substantia nigra and the striatum. Moreover, neurochemical analysis using high-performance liquid chromatography showed that alternate-day fasting reduced MPTP-induced depletion of striatal dopamine. Consistent with these results, behavioral tests showed that fasting suppressed the motor impairment caused by MPTP. Furthermore, fasting increased the phosphorylation of phosphatidylinositol-3-kinase and protein kinase B, which are downstream signaling molecules of neurotrophic factors. Fasting also increased the phosphorylation of extracellular signal-regulated protein kinase and cAMP response element-binding protein, further supporting the involvement of neurotrophic factors in the observed neuroprotective effects. Hence, our results demonstrated the dopaminergic neuroprotection of intermittent fasting in an MPTP mouse model of Parkinson's disease, supporting the idea that fasting could be an instrumental tool for preventing neurodegeneration in the brain.
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Zhu W, Fan Y, Li Y, Peng L, Li Y, Yan F, Zhao J, Zhang L, Kurihara H, He R, Chen H. Hybridization of Amantadine with Gardenamide A Enhances NMDA Antagonism and in vivo Anti-PD Effects. Bioorg Chem 2022; 130:106223. [DOI: 10.1016/j.bioorg.2022.106223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 10/15/2022] [Accepted: 10/19/2022] [Indexed: 11/05/2022]
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12
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van den Hurk M, Lau S, Marchetto MC, Mertens J, Stern S, Corti O, Brice A, Winner B, Winkler J, Gage FH, Bardy C. Druggable transcriptomic pathways revealed in Parkinson's patient-derived midbrain neurons. NPJ Parkinsons Dis 2022; 8:134. [PMID: 36258029 PMCID: PMC9579158 DOI: 10.1038/s41531-022-00400-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 09/28/2022] [Indexed: 11/06/2022] Open
Abstract
Complex genetic predispositions accelerate the chronic degeneration of midbrain substantia nigra neurons in Parkinson’s disease (PD). Deciphering the human molecular makeup of PD pathophysiology can guide the discovery of therapeutics to slow the disease progression. However, insights from human postmortem brain studies only portray the latter stages of PD, and there is a lack of data surrounding molecular events preceding the neuronal loss in patients. We address this gap by identifying the gene dysregulation of live midbrain neurons reprogrammed in vitro from the skin cells of 42 individuals, including sporadic and familial PD patients and matched healthy controls. To minimize bias resulting from neuronal reprogramming and RNA-seq methods, we developed an analysis pipeline integrating PD transcriptomes from different RNA-seq datasets (unsorted and sorted bulk vs. single-cell and Patch-seq) and reprogramming strategies (induced pluripotency vs. direct conversion). This PD cohort’s transcriptome is enriched for human genes associated with known clinical phenotypes of PD, regulation of locomotion, bradykinesia and rigidity. Dysregulated gene expression emerges strongest in pathways underlying synaptic transmission, metabolism, intracellular trafficking, neural morphogenesis and cellular stress/immune responses. We confirmed a synaptic impairment with patch-clamping and identified pesticides and endoplasmic reticulum stressors as the most significant gene-chemical interactions in PD. Subsequently, we associated the PD transcriptomic profile with candidate pharmaceuticals in a large database and a registry of current clinical trials. This study highlights human transcriptomic pathways that can be targeted therapeutically before the irreversible neuronal loss. Furthermore, it demonstrates the preclinical relevance of unbiased large transcriptomic assays of reprogrammed patient neurons.
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Affiliation(s)
- Mark van den Hurk
- grid.430453.50000 0004 0565 2606South Australian Health and Medical Research Institute (SAHMRI), Laboratory for Human Neurophysiology and Genetics, Adelaide, SA Australia
| | - Shong Lau
- grid.250671.70000 0001 0662 7144Laboratory of Genetics, Salk Institute for Biological Studies, La Jolla, CA USA
| | - Maria C. Marchetto
- grid.266100.30000 0001 2107 4242Department of Anthropology, University of California San Diego, La Jolla, CA USA
| | - Jerome Mertens
- grid.250671.70000 0001 0662 7144Laboratory of Genetics, Salk Institute for Biological Studies, La Jolla, CA USA ,grid.5771.40000 0001 2151 8122Neural Aging Laboratory, Institute of Molecular Biology, CMBI, Leopold-Franzens-University Innsbruck, Innsbruck, Tyrol Austria
| | - Shani Stern
- grid.250671.70000 0001 0662 7144Laboratory of Genetics, Salk Institute for Biological Studies, La Jolla, CA USA ,grid.18098.380000 0004 1937 0562Sagol Department of Neurobiology, Faculty of Natural Sciences, University of Haifa, Haifa, Israel
| | - Olga Corti
- grid.425274.20000 0004 0620 5939Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, AP-HP, Hôpital de la Pitié Salpêtrière, DMU BioGeM, Paris, France
| | - Alexis Brice
- grid.425274.20000 0004 0620 5939Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, AP-HP, Hôpital de la Pitié Salpêtrière, DMU BioGeM, Paris, France
| | - Beate Winner
- grid.411668.c0000 0000 9935 6525Department of Stem Cell Biology, University Hospital Erlangen, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Erlangen, Germany ,grid.411668.c0000 0000 9935 6525Center of Rare Diseases Erlangen (ZSEER), University Hospital Erlangen, FAU Erlangen-Nürnberg, Erlangen, Germany ,grid.411668.c0000 0000 9935 6525Department of Molecular Neurology, University Hospital Erlangen, FAU Erlangen-Nürnberg, Erlangen, Germany
| | - Jürgen Winkler
- grid.411668.c0000 0000 9935 6525Department of Stem Cell Biology, University Hospital Erlangen, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Erlangen, Germany ,grid.411668.c0000 0000 9935 6525Center of Rare Diseases Erlangen (ZSEER), University Hospital Erlangen, FAU Erlangen-Nürnberg, Erlangen, Germany ,grid.411668.c0000 0000 9935 6525Department of Molecular Neurology, University Hospital Erlangen, FAU Erlangen-Nürnberg, Erlangen, Germany
| | - Fred H. Gage
- grid.250671.70000 0001 0662 7144Laboratory of Genetics, Salk Institute for Biological Studies, La Jolla, CA USA
| | - Cedric Bardy
- grid.430453.50000 0004 0565 2606South Australian Health and Medical Research Institute (SAHMRI), Laboratory for Human Neurophysiology and Genetics, Adelaide, SA Australia ,grid.1014.40000 0004 0367 2697Flinders Health and Medical Research Institute, Flinders University, Adelaide, SA Australia
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13
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Snoderly-Foster LJ, Olivas WM. Regulation of Parkinson's disease-associated genes by Pumilio proteins and microRNAs in SH-SY5Y neuronal cells. PLoS One 2022; 17:e0275235. [PMID: 36174040 PMCID: PMC9522289 DOI: 10.1371/journal.pone.0275235] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 09/12/2022] [Indexed: 11/18/2022] Open
Abstract
Parkinson's disease is the second most common age-related, neurodegenerative disease. A small collection of genes has been linked to Parkinson's disease including LRRK2, SAT1, and SNCA, the latter of which encodes the protein alpha-synuclein that aggregates in Lewy bodies as a hallmark of the disease. Overexpression of even wild-type versions of these genes can lead to pathogenesis, yet the regulatory mechanisms that control protein production of the genes are not fully understood. Pumilio proteins belong to the highly conserved PUF family of eukaryotic RNA-binding proteins that post-transcriptionally regulate gene expression through binding conserved motifs in the 3' untranslated region (UTR) of mRNA targets known as PUF Recognition Elements (PREs). The 3'UTRs of LRRK2, SNCA and SAT1 each contain multiple putative PREs. Knockdown (KD) of the two human Pumilio homologs (Pumilio 1 and Pumilio 2) in a neurodegenerative model cell line, SH-SY5Y, resulted in increased SNCA and LRRK2 mRNA, as well as alpha-synuclein levels, suggesting these genes are normally repressed by the Pumilio proteins. Some studies have indicated a relationship between Pumilio and microRNA activities on the same target, especially when their binding sites are close together. LRRK2, SNCA, and SAT1 each contain several putative microRNA-binding sites within the 3'UTR, some of which reside near PREs. Small RNA-seq and microRNA qPCR assays were performed in both wild type and Pumilio KD SH-SY5Y cells to analyze global and differential microRNA expression. One thousand four hundred and four microRNAs were detected across wild type and Pumilio KD cells. Twenty-one microRNAs were differentially expressed between treatments, six of which were previously established to be altered in Parkinson's disease patient samples or research models. Expression of ten miRs predicted to target LRRK2 and SNCA was verified by RT-qPCR. Collectively, our results demonstrate that Pumilios and microRNAs play a multi-faceted role in regulating Parkinson's disease-associated genes.
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Affiliation(s)
- Lisa J. Snoderly-Foster
- Department of Biology, University of Missouri-St. Louis, St. Louis, Missouri, United States of America
| | - Wendy M. Olivas
- Department of Biology, University of Missouri-St. Louis, St. Louis, Missouri, United States of America
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14
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Khot M, Sood A, Tryphena KP, Khan S, Srivastava S, Singh SB, Khatri DK. NLRP3 inflammasomes: A potential target to improve mitochondrial biogenesis in Parkinson's disease. Eur J Pharmacol 2022; 934:175300. [PMID: 36167151 DOI: 10.1016/j.ejphar.2022.175300] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 08/18/2022] [Accepted: 09/21/2022] [Indexed: 11/16/2022]
Abstract
Parkinson's disease (PD) is a common neurodegenerative condition for which no approved treatment exists to prevent collective neuronal death. There is ample evidence that mitochondrial dysfunction, reactive oxygen species (ROS), and associated caspase activity underlie the pathology observed. Neurons rely on mitochondrial activity since they have such high energy consumption. Therefore, it is not surprising that mitochondrial alterations favour neuronal degeneration. In particular, mitochondrial dysregulation contributes to PD, based on the observation that mitochondrial toxins can cause parkinsonism in humans and animal models. Also, it is known that inflammatory cytokine-mediated neuroinflammation is the key pathogenic mechanism in neuronal loss. In recent years, the research has focussed on mitochondria being the platform for nucleotide-binding oligomerization domain-like receptors 3 (NLRP3) inflammasome activation. Mitochondrial dysfunction and NLRP3 activation are emerging as critical players in inducing and sustaining neuroinflammation. Moreover, mitochondrial-derived ROS and mitochondrial DNA (mtDNA) could serve as the priming signal for forming inflammasome complexes responsible for the activation, maturation, and release of pro-inflammatory cytokines, including interleukin-1(IL-1) and interleukin-18 (IL-18). The current review takes a more comprehensive approach to elucidating the link between mitochondrial dysfunction and aberrant NLRP3 activation in PD. In addition, we focus on some inhibitors of NLRP3 inflammatory pathways to alleviate the progression of PD.
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Affiliation(s)
- Mayuri Khot
- Molecular and Cellular Neuroscience Lab, Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)-Hyderabad, Telangana, 500037, India
| | - Anika Sood
- Molecular and Cellular Neuroscience Lab, Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)-Hyderabad, Telangana, 500037, India
| | - Kamatham Pushpa Tryphena
- Molecular and Cellular Neuroscience Lab, Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)-Hyderabad, Telangana, 500037, India
| | - Sabiya Khan
- Molecular and Cellular Neuroscience Lab, Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)-Hyderabad, Telangana, 500037, India
| | - Saurabh Srivastava
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER)-Hyderabad, Telangana, 500037, India
| | - Shashi Bala Singh
- Molecular and Cellular Neuroscience Lab, Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)-Hyderabad, Telangana, 500037, India
| | - Dharmendra Kumar Khatri
- Molecular and Cellular Neuroscience Lab, Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)-Hyderabad, Telangana, 500037, India.
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15
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Apiraksattayakul S, Pingaew R, Prachayasittikul V, Ruankham W, Jongwachirachai P, Songtawee N, Suwanjang W, Tantimongcolwat T, Prachayasittikul S, Prachayasittikul V, Phopin K. Neuroprotective Properties of Bis-Sulfonamide Derivatives Against 6-OHDA-Induced Parkinson's Model via Sirtuin 1 Activity and in silico Pharmacokinetic Properties. Front Mol Neurosci 2022; 15:890838. [PMID: 35935335 PMCID: PMC9354714 DOI: 10.3389/fnmol.2022.890838] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Accepted: 04/11/2022] [Indexed: 11/13/2022] Open
Abstract
Parkinson's disease (PD) is considered one of the health problems in the aging society. Due to the limitations of currently available drugs in preventing disease progression, the discovery of novel neuroprotective agents has been challenged. Sulfonamide and its derivatives were reported for several biological activities. Herein, a series of 17 bis-sulfonamide derivatives were initially tested for their neuroprotective potential and cytotoxicity against the 6-hydroxydopamine (6-OHDA)-induced neuronal death in SH-SY5Y cells. Subsequently, six compounds (i.e., 2, 4, 11, 14, 15, and 17) were selected for investigations on underlying mechanisms. The data demonstrated that the pretreatment of selected compounds (5 μM) can significantly restore the level of cell viability, protect against mitochondrial membrane dysfunction, decrease the activity of lactate dehydrogenase (LDH), decrease the intracellular oxidative stress, and enhance the activity of NAD-dependent deacetylase sirtuin-1 (SIRT1). Molecular docking was also performed to support that these compounds could act as SIRT1 activators. In addition, in silico pharmacokinetic and toxicity profile prediction was also conducted for guiding the potential development. Thus, the six neuroprotective bis-sulfonamides were highlighted as potential agents to be further developed for PD management.
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Affiliation(s)
- Setthawut Apiraksattayakul
- Center for Research and Innovation, Faculty of Medical Technology, Mahidol University, Bangkok, Thailand
| | - Ratchanok Pingaew
- Department of Chemistry, Faculty of Science, Srinakharinwirot University, Bangkok, Thailand
- Ratchanok Pingaew
| | - Veda Prachayasittikul
- Center of Data Mining and Biomedical Informatics, Faculty of Medical Technology, Mahidol University, Bangkok, Thailand
| | - Waralee Ruankham
- Center for Research and Innovation, Faculty of Medical Technology, Mahidol University, Bangkok, Thailand
| | - Papitcha Jongwachirachai
- Center for Research and Innovation, Faculty of Medical Technology, Mahidol University, Bangkok, Thailand
| | - Napat Songtawee
- Department of Clinical Chemistry, Faculty of Medical Technology, Mahidol University, Bangkok, Thailand
| | - Wilasinee Suwanjang
- Center for Research and Innovation, Faculty of Medical Technology, Mahidol University, Bangkok, Thailand
| | - Tanawut Tantimongcolwat
- Center for Research and Innovation, Faculty of Medical Technology, Mahidol University, Bangkok, Thailand
| | - Supaluk Prachayasittikul
- Center of Data Mining and Biomedical Informatics, Faculty of Medical Technology, Mahidol University, Bangkok, Thailand
| | - Virapong Prachayasittikul
- Department of Clinical Microbiology and Applied Technology, Faculty of Medical Technology, Mahidol University, Bangkok, Thailand
| | - Kamonrat Phopin
- Center for Research and Innovation, Faculty of Medical Technology, Mahidol University, Bangkok, Thailand
- Department of Clinical Microbiology and Applied Technology, Faculty of Medical Technology, Mahidol University, Bangkok, Thailand
- *Correspondence: Kamonrat Phopin
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16
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Kuo CW, Chang MY, Chou MY, Pan CY, Peng CW, Tseng HC, Jen TY, He XK, Liu HH, Nguyen TXD, Chang PK, Hsieh TH. Long-Term Motor Cortical Electrical Stimulation Ameliorates 6-Hydroxydopamine-Induced Motor Dysfunctions and Exerts Neuroprotective Effects in a Rat Model of Parkinson's Disease. Front Aging Neurosci 2022; 14:848380. [PMID: 35250550 PMCID: PMC8888954 DOI: 10.3389/fnagi.2022.848380] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Accepted: 01/26/2022] [Indexed: 01/08/2023] Open
Abstract
OBJECTIVE Cortical electrical stimulation (CES) can modulate cortical excitability through a plasticity-like mechanism and is considered to have therapeutic potentials in Parkinson's disease (PD). However, the precise therapeutic value of such approach for PD remains unclear. Accordingly, we adopted a PD rat model to determine the therapeutic effects of CES. The current study was thus designed to identify the therapeutic potential of CES in PD rats. METHODS A hemiparkinsonian rat model, in which lesions were induced using unilateral injection of 6-hydroxydopamine (6-OHDA) into the medial forebrain bundle, was applied to identify the therapeutic effects of long-term (4-week) CES with intermittent theta-burst stimulation (iTBS) protocol (starting 24 h after PD lesion observation, 1 session/day, 5 days/week) on motor function and neuroprotection. After the CES intervention, detailed functional behavioral tests including gait analysis, akinesia, open-field locomotor activity, apomorphine-induced rotation as well as degeneration level of dopaminergic neurons were performed weekly up to postlesion week 4. RESULTS After the CES treatment, we found that the 4-week CES intervention ameliorated the motor deficits in gait pattern, akinesia, locomotor activity, and apomorphine-induced rotation. Immunohistochemistry and tyrosine hydroxylase staining analysis demonstrated that the number of dopamine neurons was significantly greater in the CES intervention group than in the sham treatment group. CONCLUSION This study suggests that early and long-term CES intervention could reduce the aggravation of motor dysfunction and exert neuroprotective effects in a rat model of PD. Further, this preclinical model of CES may increase the scope for the potential use of CES and serve as a link between animal and PD human studies to further identify the therapeutic mechanism of CES for PD or other neurological disorders.
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Affiliation(s)
- Chi-Wei Kuo
- School of Physical Therapy and Graduate Institute of Rehabilitation Science, Chang Gung University, Taoyuan City, Taiwan
- Department of Life Science, National Taiwan University, Taipei City, Taiwan
| | - Ming-Yuan Chang
- Division of Neurosurgery, Department of Surgery, Min-Sheng General Hospital, Taoyuan City, Taiwan
- Department of Early Childhood and Family Educare, Chung Chou University of Science and Technology, Yuanlin City, Taiwan
- Graduate Institute of Neural Regenerative Medicine, College of Medical Science and Technology, Taipei Medical University, Taipei City, Taiwan
| | - Ming-Yi Chou
- Department of Life Science, National Taiwan University, Taipei City, Taiwan
| | - Chien-Yuan Pan
- Department of Life Science, National Taiwan University, Taipei City, Taiwan
| | - Chih-Wei Peng
- School of Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei City, Taiwan
| | - Hui-Chiun Tseng
- Department of Life Science, National Taiwan University, Taipei City, Taiwan
| | - Tsu-Yi Jen
- Department of Psychology, National Taiwan University, Taipei City, Taiwan
| | - Xiao-Kuo He
- Department of Rehabilitation Medicine, The Fifth Hospital of Xiamen, Xiamen, China
| | - Hui-Hua Liu
- Department of Rehabilitation Medicine, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Thi Xuan Dieu Nguyen
- School of Physical Therapy and Graduate Institute of Rehabilitation Science, Chang Gung University, Taoyuan City, Taiwan
| | - Pi-Kai Chang
- School of Physical Therapy and Graduate Institute of Rehabilitation Science, Chang Gung University, Taoyuan City, Taiwan
| | - Tsung-Hsun Hsieh
- School of Physical Therapy and Graduate Institute of Rehabilitation Science, Chang Gung University, Taoyuan City, Taiwan
- Neuroscience Research Center, Chang Gung Memorial Hospital, Taoyuan City, Taiwan
- Healthy Aging Research Center, Chang Gung University, Taoyuan City, Taiwan
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17
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Ma H, Yan J, Sun W, Jiang M, Zhang Y. Melatonin Treatment for Sleep Disorders in Parkinson's Disease: A Meta-Analysis and Systematic Review. Front Aging Neurosci 2022; 14:784314. [PMID: 35185525 PMCID: PMC8855052 DOI: 10.3389/fnagi.2022.784314] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Accepted: 01/11/2022] [Indexed: 12/19/2022] Open
Abstract
Objective The efficacy of melatonin on sleep disorders in Parkinson's disease (PD) is still unclear. The purpose of this study was to investigate the efficacy of melatonin on sleep disorders in PD by summarizing evidence from randomized clinical trials (RCTs). Methods PubMed, Cochrane Library, EMBASE, and Web of Science databases were searched for studies published before 20 August 2021. Results were analyzed using Review Manager 5.2 software. We used Trial Sequential Analysis (TSA) software to avoid false-positive results caused by random errors. Results We included 7 studies in this systematic review and meta-analysis. The results of the meta-analysis showed that compared with placebo, the subjective sleep quality of patients with PD significantly improved after melatonin treatment (MD = −2.19, 95% CI: −3.53 to −0.86, P = 0.001). In the systematic review, we qualitatively analyzed the efficacy of melatonin on the objective sleep quality of patients with PD, and the results showed that melatonin exerted a positive effect with good safety and tolerability. However, there was no significant improvement in excessive daytime sleepiness assessed by the Epworth Sleepiness Scale (ESS). Conclusion We found that melatonin can significantly improve the subjective and objective sleep quality of patients with PD with good safety and tolerability. Melatonin could be considered an effective treatment for insomnia in patients with PD.
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Affiliation(s)
- Hongxia Ma
- Key Laboratory of Neuromolecular Biology, The First Affiliated Hospital, College of Clinical Medicine of Henan University of Science and Technology, Luoyang, China
| | - Junqiang Yan
- Key Laboratory of Neuromolecular Biology, The First Affiliated Hospital, College of Clinical Medicine of Henan University of Science and Technology, Luoyang, China
- Department of Neurology, The First Affiliated Hospital, College of Clinical Medicine of Henan University of Science and Technology, Luoyang, China
- *Correspondence: Junqiang Yan
| | - Wenjie Sun
- Key Laboratory of Neuromolecular Biology, The First Affiliated Hospital, College of Clinical Medicine of Henan University of Science and Technology, Luoyang, China
| | - Menghan Jiang
- Key Laboratory of Neuromolecular Biology, The First Affiliated Hospital, College of Clinical Medicine of Henan University of Science and Technology, Luoyang, China
| | - Yongjiang Zhang
- Key Laboratory of Neuromolecular Biology, The First Affiliated Hospital, College of Clinical Medicine of Henan University of Science and Technology, Luoyang, China
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18
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Bougea A, Stefanis L, Chrousos G. Stress system and related biomarkers in Parkinson's disease. Adv Clin Chem 2022; 111:177-215. [DOI: 10.1016/bs.acc.2022.07.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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19
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Jackson H, Anzures-Cabrera J, Taylor KI, Pagano G. Hoehn and Yahr Stage and Striatal Dat-SPECT Uptake Are Predictors of Parkinson's Disease Motor Progression. Front Neurosci 2021; 15:765765. [PMID: 34966256 PMCID: PMC8711238 DOI: 10.3389/fnins.2021.765765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Accepted: 11/02/2021] [Indexed: 12/05/2022] Open
Abstract
Currently, no treatments available for Parkinson's disease (PD) can slow PD progression. At the early stage of the disease, only a subset of individuals with PD progress quickly, while the majority have a slowly progressive form of the disease. In developing treatments that aim to slow PD progression, clinical trials aim to include individuals who are likely to progress faster, such that a treatment effect, if one exists, can be identified easier and earlier. The aim of the present study was to identify baseline predictors of clinical progression in early PD. We analyzed 12-month data acquired from the PASADENA trial Part 1 (NCT03100149, n = 76 participants who were allocated to the placebo arm and did not start symptomatic therapy) and the Parkinson's Progression Markers Initiative (PPMI) study (n = 139 demographically and clinically matched participants). By using ridge regression models including clinical characteristics, imaging, and non-imaging biomarkers, we found that Hoehn and Yahr stage and dopamine transporter single-photon emission computed tomography specific binding ratios (Dat-SPECT SBR) in putamen ipsilateral to the side of motor symptom onset predicted PD progression at the early stage of the disease. Further studies are needed to confirm the validity of these predictors to identify with high accuracy individuals with early PD with a faster progression phenotype.
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Affiliation(s)
- Holly Jackson
- Roche Products Ltd., Welwyn Garden City, United Kingdom
- Department of Mathematics and Statistics, Lancaster University, Lancaster, United Kingdom
| | | | - Kirsten I. Taylor
- Roche Pharma Research and Early Development (pRED), Neuroscience and Rare Diseases Discovery and Translational Area, Roche Innovation Center Basel, Basel, Switzerland
- Faculty of Psychology, University of Basel, Basel, Switzerland
| | - Gennaro Pagano
- Roche Pharma Research and Early Development (pRED), Neuroscience and Rare Diseases Discovery and Translational Area, Roche Innovation Center Basel, Basel, Switzerland
- Department of Basic and Clinical Neuroscience, IoPPN, King’s College London, London, United Kingdom
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20
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Li X, Fan X, Yang H, Liu Y. Review of Metabolomics-Based Biomarker Research for Parkinson's Disease. Mol Neurobiol 2021; 59:1041-1057. [PMID: 34826053 DOI: 10.1007/s12035-021-02657-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Accepted: 11/17/2021] [Indexed: 01/12/2023]
Abstract
Parkinson's disease (PD), as the second most common neurodegenerative disease, is seriously affecting the life quality of the elderly. However, there is still a lack of efficient medical methods to diagnosis PD before apparent symptoms occur. In recent years, clinical biomarkers including genetic, imaging, and tissue markers have exhibited remarkable benefits in assisting PD diagnoses. Due to the advantages of high-throughput detection of metabolites and almost non-invasive sample collection, metabolomics research of PD is widely used for diagnostic biomarker discovery. However, there are also a few shortages for those identified biomarkers, such as the scarcity of verifications regarding the sensitivity and specificity. Thus, reviewing the research progress of PD biomarkers based on metabolomics techniques is of great significance for developing PD diagnosis. To comprehensively clarify the progress of current metabolic biomarker studies in PD, we reviewed 20 research articles regarding the discovery and validation of biomarkers for PD diagnosis from three mainstream academic databases (NIH PubMed, ISI Web of Science, and Elsevier ScienceDirect). By analyzing those materials, we summarized the metabolic biomarkers identified by those metabolomics studies and discussed the potential approaches used for biomarker verifications. In conclusion, this review provides a comprehensive and updated overview of PD metabolomics research in the past two decades and particularly discusses the validation of disease biomarkers. We hope those discussions might provide inspiration for PD biomarker discovery and verification in the future.
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Affiliation(s)
- Xin Li
- School of Pharmaceutical Sciences, Liaoning University, No. 66 Chongshan Middle Road, Huanggu District, Liaoning Province, 110036, Shenyang, People's Republic of China
| | - Xiaoying Fan
- School of Pharmaceutical Sciences, Liaoning University, No. 66 Chongshan Middle Road, Huanggu District, Liaoning Province, 110036, Shenyang, People's Republic of China
| | - Hongtian Yang
- School of Pharmaceutical Sciences, Liaoning University, No. 66 Chongshan Middle Road, Huanggu District, Liaoning Province, 110036, Shenyang, People's Republic of China
| | - Yufeng Liu
- School of Pharmaceutical Sciences, Liaoning University, No. 66 Chongshan Middle Road, Huanggu District, Liaoning Province, 110036, Shenyang, People's Republic of China. .,Natural Products Pharmaceutical Engineering Technology Research Center of Liaoning Province, Shenyang, 110036, People's Republic of China.
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21
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Green synthesis of titanium dioxide nanoparticles using Laurus nobilis (bay leaf): antioxidant and antimicrobial activities. APPLIED NANOSCIENCE 2021. [DOI: 10.1007/s13204-021-02065-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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22
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Buck SA, De Miranda BR, Logan RW, Fish KN, Greenamyre JT, Freyberg Z. VGLUT2 Is a Determinant of Dopamine Neuron Resilience in a Rotenone Model of Dopamine Neurodegeneration. J Neurosci 2021; 41:4937-4947. [PMID: 33893220 PMCID: PMC8260163 DOI: 10.1523/jneurosci.2770-20.2021] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 04/13/2021] [Accepted: 04/15/2021] [Indexed: 12/21/2022] Open
Abstract
Parkinson's disease (PD) is characterized by progressive dopamine (DA) neuron loss in the SNc. In contrast, DA neurons in the VTA are relatively protected from neurodegeneration, but the underlying mechanisms for this resilience remain poorly understood. Recent work suggests that expression of the vesicular glutamate transporter 2 (VGLUT2) selectively impacts midbrain DA neuron vulnerability. We investigated whether altered DA neuron VGLUT2 expression determines neuronal resilience in rats exposed to rotenone, a mitochondrial complex I inhibitor and toxicant model of PD. We discovered that VTA/SNc DA neurons that expressed VGLUT2 are more resilient to rotenone-induced DA neurodegeneration. Surprisingly, the density of neurons with detectable VGLUT2 expression in the VTA and SNc increases in response to rotenone. Furthermore, dopaminergic terminals within the NAc, where the majority of VGLUT2-expressing DA neurons project, exhibit greater resilience compared with DA terminals in the caudate/putamen. More broadly, VGLUT2-expressing terminals are protected throughout the striatum from rotenone-induced degeneration. Together, our data demonstrate that a distinct subpopulation of VGLUT2-expressing DA neurons are relatively protected from rotenone neurotoxicity. Rotenone-induced upregulation of the glutamatergic machinery in VTA and SNc neurons and their projections may be part of a broader neuroprotective mechanism. These findings offer a putative new target for neuronal resilience that can be manipulated to prevent toxicant-induced DA neurodegeneration in PD.SIGNIFICANCE STATEMENT Environmental exposures to pesticides contribute significantly to pathologic processes that culminate in Parkinson's disease (PD). The pesticide rotenone has been used to generate a PD model that replicates key features of the illness, including dopamine neurodegeneration. To date, longstanding questions remain: are there dopamine neuron subpopulations resilient to rotenone; and if so, what are the molecular determinants of this resilience? Here we show that the subpopulation of midbrain dopaminergic neurons that express the vesicular glutamate transporter 2 (VGLUT2) are more resilient to rotenone-induced neurodegeneration. Rotenone also upregulates VGLUT2 more broadly in the midbrain, suggesting that VGLUT2 expression generally confers increased resilience to rotenone. VGLUT2 may therefore be a new target for boosting neuronal resilience to prevent toxicant-induced DA neurodegeneration in PD.
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Affiliation(s)
- Silas A Buck
- Center for Neuroscience, University of Pittsburgh, Pittsburgh, Pennsylvania, 15213
- Department of Psychiatry, University of Pittsburgh, Pittsburgh, Pennsylvania, 15213
| | - Briana R De Miranda
- Department of Neurology, University of Pittsburgh, Pittsburgh, Pennsylvania, 15260
- Department of Neurology, University of Alabama at Birmingham, Birmingham, Alabama, 35294
| | - Ryan W Logan
- Department of Pharmacology and Experimental Therapeutics, Boston University School of Medicine, Boston, Massachusetts, 02118
- Center for Systems Neurogenetics of Addiction, The Jackson Laboratory, Bar Harbor, Maine, 04609
| | - Kenneth N Fish
- Department of Psychiatry, University of Pittsburgh, Pittsburgh, Pennsylvania, 15213
| | - J Timothy Greenamyre
- Department of Neurology, University of Pittsburgh, Pittsburgh, Pennsylvania, 15260
- Pittsburgh Institute for Neurodegenerative Diseases, University of Pittsburgh, Pittsburgh, Pennsylvania, 15260
| | - Zachary Freyberg
- Department of Psychiatry, University of Pittsburgh, Pittsburgh, Pennsylvania, 15213
- Department of Cell Biology, University of Pittsburgh, Pittsburgh, Pennsylvania, 15213
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23
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Wang X, Guo G, Zhang J, Aebez N, Liu Z, Liu CF, Ross CA, Smith WW. Mutant-TMEM230-induced neurodegeneration and impaired axonal mitochondrial transport. Hum Mol Genet 2021; 30:1535-1542. [PMID: 34002226 DOI: 10.1093/hmg/ddab128] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 04/25/2021] [Accepted: 04/26/2021] [Indexed: 12/21/2022] Open
Abstract
Parkinson's disease (PD) is a neurodegenerative disease with movement disorders including resting tremor, rigidity, bradykinesia and postural instability. Recent studies have identified a new PD associated gene, TMEM230 (transmembrane protein 230). However, the pathological roles of TMEM230 and its variants are not fully understood. TMEM230 gene encodes two protein isoforms. Isoform2 is the major protein form (~95%) in human. In this study, we overexpress isoform2 TMEM230 variants (WT or PD-linked *184Wext*5 mutant) or knockdown endogenous protein in cultured SH-5Y5Y cells and mouse primary hippocampus neurons to study their pathological roles. We found that overexpression of WT and mutant TMEM230 or knockdown of endogenous TMEM230-induced neurodegeneration and impaired mitochondria transport at the retrograde direction in axons. Mutant TMEM230 caused more severe neurotoxicity and mitochondrial transport impairment than WT-TMEM230 did. Our results demonstrate that maintaining TMEM230 protein levels is critical for neuron survival and axon transport. These findings suggest that mutant-TMEM230-induced mitochondrial transport impairment could be the early event leading to neurite injury and neurodegeneration in PD development.
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Affiliation(s)
- Xiaobo Wang
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA.,Institute of Neuroscience, Soochow University School of Medicine, Suzhou, Jiangsu 215123, China
| | - Gongbo Guo
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
| | - Jinru Zhang
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA.,Department of Neurology, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215004, China
| | - Nicolas Aebez
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
| | - Zhaohui Liu
- Department of Human Anatomy and Cytoneurobiology, School of Biology and Basic Medical Sciences, Soochow University, Suzhou, Jiangsu 215123, China
| | - Chun-Feng Liu
- Institute of Neuroscience, Soochow University School of Medicine, Suzhou, Jiangsu 215123, China.,Department of Neurology, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215004, China
| | - Christopher A Ross
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
| | - Wanli W Smith
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
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24
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Nazam F, Shaikh S, Nazam N, Alshahrani AS, Hasan GM, Hassan MI. Mechanistic insights into the pathogenesis of neurodegenerative diseases: towards the development of effective therapy. Mol Cell Biochem 2021; 476:2739-2752. [PMID: 33687588 DOI: 10.1007/s11010-021-04120-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Accepted: 02/23/2021] [Indexed: 02/06/2023]
Abstract
Neurodegeneration is a prevalent and one of the emerging reasons for morbidity, mortality, and cognitive impairment in aging. Dementia is one of such conditions of neurodegeneration, partially manageable, irreversible, and worsens over time. This review is focused on biological and psychosocial risk factors associated with Alzheimer's and Parkinson's diseases, highlighting the value of cognitive decline. We further emphasized on current therapeutic strategies from pharmacological and non-pharmacological perspectives focusing on their effects on cognitive impairment, protein aggregation, tau pathology, and improving the quality of life. Deeper mechanistic insights into the multifactorial neurodegeneration could offer the design and development of promising diagnostic and therapeutic strategies.
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Affiliation(s)
- Fauzia Nazam
- Section of Psychology, Women's College, Aligarh Muslim University, Aligarh, UP, 202002, India
| | - Sibhghatulla Shaikh
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan, 38541, Republic of Korea
| | - Nazia Nazam
- Amity Institute of Molecular Medicine and Stem Cell Research, Amity University, Noida, Uttar Pradesh, 201313, India.
| | | | - Gulam Mustafa Hasan
- Department of Biochemistry, College of Medicine, Prince Sattam Bin Abdulaziz University, P.O. Box 173, Al-Kharj, 11942, Kingdom of Saudi Arabia
| | - Md Imtaiyaz Hassan
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, New Delhi, 110025, India.
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25
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The Seaweed Diet in Prevention and Treatment of the Neurodegenerative Diseases. Mar Drugs 2021; 19:md19030128. [PMID: 33652930 PMCID: PMC7996752 DOI: 10.3390/md19030128] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 02/20/2021] [Accepted: 02/24/2021] [Indexed: 02/06/2023] Open
Abstract
Edible marine algae are rich in bioactive compounds and are, therefore, a source of bioavailable proteins, long chain polysaccharides that behave as low-calorie soluble fibers, metabolically necessary minerals, vitamins, polyunsaturated fatty acids, and antioxidants. Marine algae were used primarily as gelling agents and thickeners (phycocolloids) in food and pharmaceutical industries in the last century, but recent research has revealed their potential as a source of useful compounds for the pharmaceutical, medical, and cosmetic industries. The green, red, and brown algae have been shown to have useful therapeutic properties in the prevention and treatment of neurodegenerative diseases: Parkinson, Alzheimer’s, and Multiple Sclerosis, and other chronic diseases. In this review are listed and described the main components of a suitable diet for patients with these diseases. In addition, compounds derived from macroalgae and their neurophysiological activities are described.
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Gonzalez G, Hodoň J, Kazakova A, D'Acunto CW, Kaňovský P, Urban M, Strnad M. Novel pentacyclic triterpenes exhibiting strong neuroprotective activity in SH-SY5Y cells in salsolinol- and glutamate-induced neurodegeneration models. Eur J Med Chem 2021; 213:113168. [PMID: 33508480 DOI: 10.1016/j.ejmech.2021.113168] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Revised: 01/03/2021] [Accepted: 01/04/2021] [Indexed: 12/12/2022]
Abstract
Novel triterpene derivatives were prepared and evaluated in salsolinol (SAL)- and glutamate (Glu)-induced models of neurodegeneration in neuron-like SH-SY5Y cells. Among the tested compounds, betulin triazole 4 bearing a tetraacetyl-β-d-glucose substituent showed a highly potent neuroprotective effect. Further studies revealed that removal of tetraacetyl-β-d-glucose part (free triazole derivative 10) resulted in strong neuroprotection in the SAL model at 1 μM, but this derivative suffered from cytotoxicity at higher concentrations. Both compounds modulated oxidative stress and caspase-3,7 activity, but 10 showed a superior effect comparable to the Ac-DEVD-CHO inhibitor. Interestingly, while both 4 and 10 outperformed the positive controls in blocking mitochondrial permeability transition pore opening, only 4 demonstrated potent restoration of the mitochondrial membrane potential (MMP) in the model. Derivatives 4 and 10 also showed neuroprotection in the Glu model, with 10 exhibiting the strongest oxidative stress reducing effect among the tested compounds, while the neuroprotective activity of 4 was probably due recovery of the MMP.
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Affiliation(s)
- Gabriel Gonzalez
- Laboratory of Growth Regulators, Faculty of Science, Palacký University and the Institute of Experimental Botany of the Czech Academy of Sciences, Šlechtitelů 27, CZ-78371, Olomouc, Czech Republic; Department of Neurology, University Hospital Olomouc and Faculty of Medicine and Dentistry, Palacký University Olomouc, CZ-775 20, Olomouc, Czech Republic
| | - Jiří Hodoň
- Department of Organic Chemistry, Faculty of Science, Palacky University, 17. Listopadu 1192/12, 771 46, Olomouc, Czech Republic
| | - Anna Kazakova
- Department of Organic Chemistry, Faculty of Science, Palacky University, 17. Listopadu 1192/12, 771 46, Olomouc, Czech Republic
| | - Cosimo Walter D'Acunto
- Laboratory of Growth Regulators, Faculty of Science, Palacký University and the Institute of Experimental Botany of the Czech Academy of Sciences, Šlechtitelů 27, CZ-78371, Olomouc, Czech Republic
| | - Petr Kaňovský
- Department of Neurology, University Hospital Olomouc and Faculty of Medicine and Dentistry, Palacký University Olomouc, CZ-775 20, Olomouc, Czech Republic
| | - Milan Urban
- Department of Medicinal Chemistry, Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University in Olomouc, Hnevotinska 5, 779 00, Olomouc, Czech Republic.
| | - Miroslav Strnad
- Laboratory of Growth Regulators, Faculty of Science, Palacký University and the Institute of Experimental Botany of the Czech Academy of Sciences, Šlechtitelů 27, CZ-78371, Olomouc, Czech Republic; Department of Neurology, University Hospital Olomouc and Faculty of Medicine and Dentistry, Palacký University Olomouc, CZ-775 20, Olomouc, Czech Republic.
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27
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Liu Y, Bai H, Gen S, Zhang H, Wang S, Hua L, Yang X, Zhang S, Li J, Wang Y. Interaction between SNCA gene polymorphisms and T2DM with Parkinson's disease. Acta Neurol Scand 2020; 142:443-448. [PMID: 32484913 DOI: 10.1111/ane.13292] [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: 03/16/2020] [Revised: 05/20/2020] [Accepted: 05/28/2020] [Indexed: 11/30/2022]
Abstract
AIMS To investigate the association of several single nucleotide polymorphisms (SNPs) within alpha-synuclein (SNCA) gene and additional gene-environment interaction with Parkinson's disease (PD) risk. METHODS Hardy-Weinberg equilibrium (HWE) is tested for controls using SNPstats (http://bioinfo.iconcologia.net/SNPstats). Logistic regression is used to calculate the ORs (95% CI) for relations between the four SNPs and PD risk. The generalized multifactor dimensionality reduction (GMDR) model is used to evaluate the synergy between gene and environment. RESULTS A total of 1161 people were included in this study, including 386 cases of PD and 775 normal controls. In this study, the genotype frequency of the control group was consistent with HWE distribution. Rs356219-G allele frequency was 30.0% in patients and 19.8% in control group. The rs356221-T allele frequency was 29.7% in the patients and 20.8% in the control group. Rs356219-G and rs356221-T alleles were associated with increased PD risk, with adjusted ORs (95% CI) of 1.92 (1.28-2.52) and 1.52 (1.05-2.02), respectively. We also found no significant correlation between rs2301134 and rs2301135 and susceptibility to PD. The best gene-environment interaction models were determined by GMDR analysis, which shown a significant gene-T2DM interaction combinations, but the gene-alcohol drinking interaction combinations were all not significant. We also conducted stratified analysis for interaction effect using logistic regression. We found that T2DM patients with rs356221-AT/ TT genotype have the highest PD risk, compared to subjects with rs356219-AA genotype, OR (95%CI) = 2.67 (1.83-3.46). CONCLUSIONS The rs356219-G and rs356221-T, gene-environment interaction between rs356221 and T2DM were all associated with increased PD risk.
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Affiliation(s)
- Yajun Liu
- The 960th PLA hospital Zibo Shandong China
| | - Hongying Bai
- Department of Neurology The Second Affiliated Hospital of Zhengzhou University Zhengzhou Henan China
| | - Shuang Gen
- The 960th PLA hospital Zibo Shandong China
| | - Hui Zhang
- The 960th PLA hospital Zibo Shandong China
| | | | - Linlin Hua
- Department of Neurology The Second Affiliated Hospital of Zhengzhou University Zhengzhou Henan China
| | - Xiaopeng Yang
- Department of Neurology The Second Affiliated Hospital of Zhengzhou University Zhengzhou Henan China
| | - Simiao Zhang
- Department of Neurology The Second Affiliated Hospital of Zhengzhou University Zhengzhou Henan China
| | - Jingna Li
- Department of Neurology The Second Affiliated Hospital of Zhengzhou University Zhengzhou Henan China
| | - Yunliang Wang
- The 960th PLA hospital Zibo Shandong China
- Department of Neurology The Second Affiliated Hospital of Zhengzhou University Zhengzhou Henan China
- Department of Clinical Medicine Qilu Medical College Zibo Shandong China
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Yilmaz F, Menteşe E, Sökmen BB. Synthesis and biological evaluation of some 1,
3‐benzoxazol
‐2(
3H
)‐one hybrid molecules as potential antioxidant and urease inhibitors. J Heterocycl Chem 2020. [DOI: 10.1002/jhet.4165] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Fatih Yilmaz
- Department of Chemistry and Chemical Process Technology, Vocational School of Technical Sciences Recep Tayyip Erdogan University Rize Turkey
| | - Emre Menteşe
- Department of Chemistry, Faculty of Art and Sciences Recep Tayyip Erdogan University Rize Turkey
| | - Bahar Bilgin Sökmen
- Department of Chemistry, Faculty of Art and Sciences Giresun University Giresun Turkey
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Pradhan P, Majhi O, Biswas A, Joshi VK, Sinha D. Enhanced accumulation of reduced glutathione by Scopoletin improves survivability of dopaminergic neurons in Parkinson's model. Cell Death Dis 2020; 11:739. [PMID: 32913179 PMCID: PMC7484898 DOI: 10.1038/s41419-020-02942-8] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 08/23/2020] [Accepted: 08/27/2020] [Indexed: 12/18/2022]
Abstract
Parkinson’s disease (PD) is a neuromotor disorder, primarily manifested by motor anomalies due to progressive loss of dopaminergic neurons. Although alterations in genetic factors have been linked with its etiology, exponential accumulation of environmental entities such as reactive oxygen species (ROS) initiate a cyclic chain reaction resulting in accumulation of cellular inclusions, dysfunctional mitochondria, and overwhelming of antioxidant machinery, thus accelerating disease pathogenesis. Involvement of oxidative stress in PD is further substantiated through ROS induced Parkinsonian models and elevated oxidative markers in clinical PD samples; thereby, making modulation of neuronal oxidative load as one of the major approaches in management of PD. Here we have found a potent antioxidant moiety Scopoletin (Sp), a common derivative in most of the nootropic herbs, with robust neuroprotective ability. Sp increased cellular resistance to ROS through efficient recycling of GSH to prevent oxidative damage. The Sp treated cells showed higher loads of reduced glutathione making them resistant to perturbation of antioxidant machinery or neurotoxin MPP+. Sp could restore the redox balance, mitochondrial function, and prevented oxidative damage, leading to recovery of dopaminergic neural networks and motion abilities in Drosophila genetic model of PD. Our data also suggest that Sp, in combination increases the therapeutic potency of L-DOPA by mitigating its chronic toxicity. Together, we highlight the possible ability of Sp in preventing oxidative stress mediated loss of dopaminergic neurons and at the same time enhance the efficacy of dopamine recharging regimens.
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Affiliation(s)
- Priyadarshika Pradhan
- Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Olivia Majhi
- Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Abhijit Biswas
- Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Vinod Kumar Joshi
- Department of Dravyaguna, Institute of Medical Sciences, Banaras Hindu University, Varanasi, 221005, India
| | - Devanjan Sinha
- Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, 221005, India.
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30
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Cota-Coronado J, Sandoval-Ávila S, Gaytan-Dávila Y, Diaz N, Vega-Ruiz B, Padilla-Camberos E, Díaz-Martínez N. New transgenic models of Parkinson's disease using genome editing technology. NEUROLOGÍA (ENGLISH EDITION) 2020. [DOI: 10.1016/j.nrleng.2017.08.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
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31
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Lee JE, Sim H, Yoo HM, Lee M, Baek A, Jeon YJ, Seo KS, Son MY, Yoon JS, Kim J. Neuroprotective Effects of Cryptotanshinone in a Direct Reprogramming Model of Parkinson's Disease. Molecules 2020; 25:molecules25163602. [PMID: 32784741 PMCID: PMC7463464 DOI: 10.3390/molecules25163602] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 08/02/2020] [Accepted: 08/05/2020] [Indexed: 12/17/2022] Open
Abstract
Parkinson’s disease (PD) is a well-known age-related neurodegenerative disease. Considering the vital importance of disease modeling based on reprogramming technology, we adopted direct reprogramming to human-induced neuronal progenitor cells (hiNPCs) for in vitro assessment of potential therapeutics. In this study, we investigated the neuroprotective effects of cryptotanshinone (CTN), which has been reported to have antioxidant properties, through PD patient-derived hiNPCs (PD-iNPCs) model with induced oxidative stress and cell death by the proteasome inhibitor MG132. A cytotoxicity assay showed that CTN possesses anti-apoptotic properties in PD-hiNPCs. CTN treatment significantly reduced cellular apoptosis through mitochondrial restoration, such as the reduction in mitochondrial reactive oxygen species and increments of mitochondrial membrane potential. These effects of CTN are mediated via the nuclear factor erythroid 2-related factor 2 (NRF2) pathway in PD-hiNPCs. Consequently, CTN could be a potential antioxidant reagent for preventing disease-related pathological phenotypes of PD.
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Affiliation(s)
- Joo-Eun Lee
- Stem Cell Convergence Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Korea; (J.-E.L.); (H.S.); (M.L.); (A.B.); (Y.-J.J.); (M.-Y.S.)
| | - Hyuna Sim
- Stem Cell Convergence Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Korea; (J.-E.L.); (H.S.); (M.L.); (A.B.); (Y.-J.J.); (M.-Y.S.)
- Department of Functional Genomics, KRIBB School of Bioscience, University of Science and Technology, Daejeon 34113, Korea
| | - Hee Min Yoo
- Group for Biometrology, Korea Research Institute of Standards and Science (KRISS), Daejeon 34113, Korea;
| | - Minhyung Lee
- Stem Cell Convergence Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Korea; (J.-E.L.); (H.S.); (M.L.); (A.B.); (Y.-J.J.); (M.-Y.S.)
| | - Aruem Baek
- Stem Cell Convergence Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Korea; (J.-E.L.); (H.S.); (M.L.); (A.B.); (Y.-J.J.); (M.-Y.S.)
| | - Young-Joo Jeon
- Stem Cell Convergence Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Korea; (J.-E.L.); (H.S.); (M.L.); (A.B.); (Y.-J.J.); (M.-Y.S.)
| | - Kang-Sik Seo
- Huen Co., Ltd., Gwanggyo Business Center 5F (#508), 156, Gwanggyo-ro, Yeongtong-gu, Suwon 16506, Korea;
| | - Mi-Young Son
- Stem Cell Convergence Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Korea; (J.-E.L.); (H.S.); (M.L.); (A.B.); (Y.-J.J.); (M.-Y.S.)
- Department of Functional Genomics, KRIBB School of Bioscience, University of Science and Technology, Daejeon 34113, Korea
| | - Joo Seog Yoon
- Huen Co., Ltd., Gwanggyo Business Center 5F (#508), 156, Gwanggyo-ro, Yeongtong-gu, Suwon 16506, Korea;
- Correspondence: (J.S.Y.); (J.K.); Tel.: +82-31-8064-1622 (J.S.Y.); +82-42-860-4478 (J.K.)
| | - Janghwan Kim
- Stem Cell Convergence Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Korea; (J.-E.L.); (H.S.); (M.L.); (A.B.); (Y.-J.J.); (M.-Y.S.)
- Department of Functional Genomics, KRIBB School of Bioscience, University of Science and Technology, Daejeon 34113, Korea
- Correspondence: (J.S.Y.); (J.K.); Tel.: +82-31-8064-1622 (J.S.Y.); +82-42-860-4478 (J.K.)
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Devi SA, Chamoli A. Polyphenols as an Effective Therapeutic Intervention Against Cognitive Decline During Normal and Pathological Brain Aging. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1260:159-174. [PMID: 32304034 DOI: 10.1007/978-3-030-42667-5_7] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Research in animals and humans has indicated that polyphenols can delay the age-related decline in learning, memory and neurodegenerative diseases. Among the polyphenols, berry phenolics have extensive beneficial effects because of their antioxidant and anti-inflammatory properties. Long-term consumption of grapes results in accumulation of polyphenols in the brain, which modulates cell-signalling pathways and neutralises the redox imbalance in the aging brain. Here we review the in vivo and in vitro evidence for considering grape-derived polyphenolics, the flavonoids- catechins, epicatechin, anthocyanidin, and quercetin, and non-flavonoids-gallic acid and resveratrol, as effective dietary sources to facilitate cognition in adults and lessen the decline in the old and pathogenic states, Alzheimer's and Parkinson's disease. Furthermore, a combined intervention of polyphenols along with regular physical exercise provides cognitive benefits for the aging brain and holds promising venues for preclinical and clinical studies in formulating neuro-nutraceuticals as functional foods for a healthy brain.
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Affiliation(s)
- S Asha Devi
- Laboratory of Gerontology, Department of Zoology, Bangalore University, Bangalore, India.
| | - Anudita Chamoli
- Laboratory of Gerontology, Department of Zoology, Bangalore University, Bangalore, India
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33
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Genetic predispositions of Parkinson's disease revealed in patient-derived brain cells. NPJ PARKINSONS DISEASE 2020; 6:8. [PMID: 32352027 PMCID: PMC7181694 DOI: 10.1038/s41531-020-0110-8] [Citation(s) in RCA: 75] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Accepted: 03/20/2020] [Indexed: 12/14/2022]
Abstract
Parkinson's disease (PD) is the second most prevalent neurological disorder and has been the focus of intense investigations to understand its etiology and progression, but it still lacks a cure. Modeling diseases of the central nervous system in vitro with human induced pluripotent stem cells (hiPSC) is still in its infancy but has the potential to expedite the discovery and validation of new treatments. Here, we discuss the interplay between genetic predispositions and midbrain neuronal impairments in people living with PD. We first summarize the prevalence of causal Parkinson's genes and risk factors reported in 74 epidemiological and genomic studies. We then present a meta-analysis of 385 hiPSC-derived neuronal lines from 67 recent independent original research articles, which point towards specific impairments in neurons from Parkinson's patients, within the context of genetic predispositions. Despite the heterogeneous nature of the disease, current iPSC models reveal converging molecular pathways underlying neurodegeneration in a range of familial and sporadic forms of Parkinson's disease. Altogether, consolidating our understanding of robust cellular phenotypes across genetic cohorts of Parkinson's patients may guide future personalized drug screens in preclinical research.
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Sampathkumar NK, Bravo JI, Chen Y, Danthi PS, Donahue EK, Lai RW, Lu R, Randall LT, Vinson N, Benayoun BA. Widespread sex dimorphism in aging and age-related diseases. Hum Genet 2020; 139:333-356. [PMID: 31677133 PMCID: PMC7031050 DOI: 10.1007/s00439-019-02082-w] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2019] [Accepted: 10/26/2019] [Indexed: 02/07/2023]
Abstract
Although aging is a conserved phenomenon across evolutionary distant species, aspects of the aging process have been found to differ between males and females of the same species. Indeed, observations across mammalian studies have revealed the existence of longevity and health disparities between sexes, including in humans (i.e. with a female or male advantage). However, the underlying mechanisms for these sex differences in health and lifespan remain poorly understood, and it is unclear which aspects of this dimorphism stem from hormonal differences (i.e. predominance of estrogens vs. androgens) or from karyotypic differences (i.e. XX vs. XY sex chromosome complement). In this review, we discuss the state of the knowledge in terms of sex dimorphism in various aspects of aging and in human age-related diseases. Where the interplay between sex differences and age-related differences has not been explored fully, we present the state of the field to highlight important future research directions. We also discuss various dietary, drug or genetic interventions that were shown to improve longevity in a sex-dimorphic fashion. Finally, emerging tools and models that can be leveraged to decipher the mechanisms underlying sex differences in aging are also briefly discussed.
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Affiliation(s)
- Nirmal K Sampathkumar
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, 90089, USA
- Maurice Wohl Clinical Neuroscience Institute, King's College London, London, UK
| | - Juan I Bravo
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, 90089, USA
- Graduate Program in the Biology of Aging, University of Southern California, Los Angeles, CA, 90089, USA
| | - Yilin Chen
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, 90089, USA
- Masters Program in Nutrition, Healthspan, and Longevity, University of Southern California, Los Angeles, CA, 90089, USA
| | - Prakroothi S Danthi
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, 90089, USA
| | - Erin K Donahue
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, 90089, USA
- Neuroscience Graduate Program, University of Southern California, Los Angeles, CA, 90089, USA
| | - Rochelle W Lai
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, 90089, USA
| | - Ryan Lu
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, 90089, USA
- Graduate Program in the Biology of Aging, University of Southern California, Los Angeles, CA, 90089, USA
| | - Lewis T Randall
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, 90089, USA
- Graduate Program in the Biology of Aging, University of Southern California, Los Angeles, CA, 90089, USA
| | - Nika Vinson
- Department of Urology, Pelvic Medicine and Reconstructive Surgery, UCLA David Geffen School of Medicine, Los Angeles, CA, 90024, USA
| | - Bérénice A Benayoun
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, 90089, USA.
- USC Norris Comprehensive Cancer Center, Epigenetics and Gene Regulation, Los Angeles, CA, 90089, USA.
- USC Stem Cell Initiative, Los Angeles, CA, 90089, USA.
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Aksoz BE, Aksoz E. Vital Role of Monoamine Oxidases and Cholinesterases in Central Nervous System Drug Research: A Sharp Dissection of the Pathophysiology. Comb Chem High Throughput Screen 2020; 23:877-886. [PMID: 32077819 DOI: 10.2174/1386207323666200220115154] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Revised: 12/30/2019] [Accepted: 01/14/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Monoamine oxidase and cholinesterase enzymes are very critical enzymes that regulate the level of neurotransmitters such as acetylcholine and monoamines. Monoamine neurotransmitters and acetylcholine play a very important role in many physiological events. An increase or decrease in the amount of these neurotransmitters is observed in a wide range of central nervous system pathologies. Balancing the amount of these neurotransmitters is important in improving the progression of these diseases. Inhibitors of monoamine oxidase and cholinesterase enzymes are important in symptomatic therapy and delaying progression of a group of central nervous system disease manifested with memory loss, cognitive decline and psychiatric disturbances like depression. OBJECTIVE In this article, the relationship between central nervous system diseases and the vital role of the enzymes, monoamine oxidase and cholinesterase, is discussed on the pathophysiologic basis, focusing on drug research. CONCLUSION Monoamine oxidase and cholinesterase enzymes are still a good target for the development of novel drug active substances with optimized pharmacokinetic and pharmacodynamic properties, which can maximize the benefits of current therapy modalities.
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Affiliation(s)
- Begum E Aksoz
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Süleyman Demirel University, Isparta, Turkey
| | - Erkan Aksoz
- Department of Pharmacology, Faculty of Pharmacy, Süleyman Demirel University, Isparta, Turkey
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36
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Lesot MJ, Vieira S, Reformat MZ, Carvalho JP, Wilbik A, Bouchon-Meunier B, Yager RR. Hybrid Model for Parkinson’s Disease Prediction. INFORMATION PROCESSING AND MANAGEMENT OF UNCERTAINTY IN KNOWLEDGE-BASED SYSTEMS 2020. [PMCID: PMC7274681 DOI: 10.1007/978-3-030-50143-3_49] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Parkinson’s is a chronic, progressive neurological disease with no known cause that affects the central nervous system of older people and compromises their movement. This disorder can impair daily aspects of people and therefore identify their existence early, helps in choosing treatments that can reduce the impact of the disease on the patient’s routine. This work aims to identify Parkinson’s traces through a voice recording replications database applied to a fuzzy neural network to identify their patterns and enable the extraction of knowledge about situations present in the data collected in patients. The results obtained by the hybrid model were superior to state of the art for the theme, proving that it is possible to perform hybrid models in the extraction of knowledge and the classification of behavioral patterns of high accuracy Parkinson’s.
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Affiliation(s)
| | - Susana Vieira
- IDMEC, IST, Universidade de Lisboa, Lisbon, Portugal
| | | | | | - Anna Wilbik
- Eindhoven University of Technology, Eindhoven, The Netherlands
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Chen C, Guderyon MJ, Li Y, Ge G, Bhattacharjee A, Ballard C, He Z, Masliah E, Clark RA, O'Connor JC, Li S. Non-toxic HSC Transplantation-Based Macrophage/Microglia-Mediated GDNF Delivery for Parkinson's Disease. MOLECULAR THERAPY-METHODS & CLINICAL DEVELOPMENT 2019; 17:83-98. [PMID: 31890743 PMCID: PMC6931095 DOI: 10.1016/j.omtm.2019.11.013] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Accepted: 11/15/2019] [Indexed: 02/08/2023]
Abstract
Glial cell-line-derived neurotrophic factor (GDNF) is a potent neuroprotective agent in cellular and animal models of Parkinson’s disease (PD). However, CNS delivery of GDNF in clinical trials has proven challenging due to blood-brain barrier (BBB) impermeability, poor diffusion within brain tissue, and large brain size. We report that using non-toxic mobilization-enabled preconditioning, hematopoietic stem cell (HSC) transplantation-based macrophage-mediated gene delivery may provide a solution to overcome these obstacles. Syngeneic bone marrow HSCs were transduced ex vivo with a lentiviral vector expressing macrophage promoter-driven GDNF and transplanted into 14-week-old MitoPark mice exhibiting PD-like impairments. Transplant preconditioning with granulocyte colony-stimulating factor (G-CSF) and AMD3100 was used to vacate bone marrow stem cell niches. Chimerism reached ∼80% after seven transplantation cycles. Transgene-expressing macrophages infiltrated degenerating CNS regions of MitoPark mice (not wild-type littermate controls), resulting in increased GDNF levels in the midbrain. Macrophage GDNF delivery not only markedly improved motor and non-motor dysfunction, but also dramatically mitigated the loss of dopaminergic neurons in both substantia nigra and the ventral tegmental area and preserved axonal terminals in the striatum. Striatal dopamine levels were almost completely restored. Our data support further development of mobilization-enabled HSC transplantation (HSCT)-based macrophage-mediated GDNF gene delivery as a disease-modifying therapy for PD.
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Affiliation(s)
- Cang Chen
- Department of Medicine, The University of Texas Health San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78229, USA
| | - Michael J Guderyon
- Department of Medicine, The University of Texas Health San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78229, USA
| | - Yang Li
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Guo Ge
- Department of Medicine, The University of Texas Health San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78229, USA
| | - Anindita Bhattacharjee
- Department of Medicine, The University of Texas Health San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78229, USA
| | - Cori Ballard
- Department of Medicine, The University of Texas Health San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78229, USA
| | - Zhixu He
- Department of Pediatrics, Zunyi Medical University Affiliated Hospital and Key Laboratory of Adult Stem Cell Transformation Research, Chinese Academy of Medical Science, Guiyang, Guizhou 550025, China
| | | | - Robert A Clark
- Department of Medicine, The University of Texas Health San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78229, USA.,Audie L. Murphy VA Hospital, 7400 Merton Minter Boulevard, San Antonio, TX 78229, USA
| | - Jason C O'Connor
- Department of Pharmacology, The University of Texas Health San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78229, USA.,Audie L. Murphy VA Hospital, 7400 Merton Minter Boulevard, San Antonio, TX 78229, USA
| | - Senlin Li
- Department of Medicine, The University of Texas Health San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78229, USA.,Department of Pharmacology, The University of Texas Health San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78229, USA.,Audie L. Murphy VA Hospital, 7400 Merton Minter Boulevard, San Antonio, TX 78229, USA
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Ke M, Chong CM, Su H. Using induced pluripotent stem cells for modeling Parkinson’s disease. World J Stem Cells 2019; 11:634-649. [PMID: 31616540 PMCID: PMC6789186 DOI: 10.4252/wjsc.v11.i9.634] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Revised: 07/26/2019] [Accepted: 08/21/2019] [Indexed: 02/06/2023] Open
Abstract
Parkinson’s disease (PD) is an age-related neurodegenerative disease caused by the progressive loss of dopaminergic (DA) neurons in the substantia nigra. As DA neurons degenerate, PD patients gradually lose their ability of movement. To date no effective therapies are available for the treatment of PD and its pathogenesis remains unknown. Experimental models that appropriately mimic the development of PD are certainly needed for gaining mechanistic insights into PD pathogenesis and identifying new therapeutic targets. Human induced pluripotent stem cells (iPSCs) could provide a promising model for fundamental research and drug screening. In this review, we summarize various iPSCs-based PD models either derived from PD patients through reprogramming technology or established by gene-editing technology, and the promising application of iPSC-based PD models for mechanistic studies and drug testing.
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Affiliation(s)
- Minjing Ke
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao 999078, China
| | - Cheong-Meng Chong
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao 999078, China
| | - Huanxing Su
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao 999078, China
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Pariary R, Bhattacharyya D, Bhunia A. Mitochondrial-membrane association of α-synuclein: Pros and cons in consequence of Parkinson's disease pathophysiology. GENE REPORTS 2019. [DOI: 10.1016/j.genrep.2019.100423] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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40
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Marcos-Pérez D, Sánchez-Flores M, Maseda A, Lorenzo-López L, Millán-Calenti JC, Pásaro E, Laffon B, Valdiglesias V. Serum cortisol but not oxidative stress biomarkers are related to frailty: results of a cross-sectional study in Spanish older adults. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2019; 82:815-825. [PMID: 31405343 DOI: 10.1080/15287394.2019.1654639] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Frailty is a multidimensional geriatric syndrome of loss of reserves and increased vulnerability to negative health outcomes. Cortisol, the major hormone of the hypothalamic pituitary adrenal (HPA) axis, and oxidative stress may be influenced by multiple endogenous and environmental factors throughout the lifespan, triggering changes in organism functioning. Association of elevated levels of cortisol and oxidative stress biomarkers with aging and several age-related diseases is well documented. However, the possible role of these factors on frailty status in older adults has not been extensively studied. Hence, the aim of this study was to conduct a cross-sectional study in 252 older adults (≥65 years old) classified according to their frailty status. Plasma cortisol and biomarkers related to oxidative stress including reactive oxygen/nitrogen species, oxidative DNA damage, and total antioxidant capacity were determined in non-frail, pre-frail, and frail subjects. Results showed significantly increasing cortisol concentrations with frailty burden, but no marked association between any oxidative stress biomarker and frailty status. In addition, dependence on activities of daily living and 10-year mortality risk were also correlated with elevated cortisol levels. Current results support the hypothesis that age-related HPA axis dysregulation is associated with frailty status, although further research is necessary to establish the role of cortisol in the pathophysiology of frailty.
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Affiliation(s)
- Diego Marcos-Pérez
- Department of Psychology, Area of Psychobiology, Faculty of Education Sciences, Universidade da Coruña, DICOMOSA Group , Coruña , Spain
- Department of Cell and Molecular Biology, Faculty of Sciences, Universidade da Coruña , Coruña , Spain
| | - María Sánchez-Flores
- Department of Psychology, Area of Psychobiology, Faculty of Education Sciences, Universidade da Coruña, DICOMOSA Group , Coruña , Spain
- Department of Cell and Molecular Biology, Faculty of Sciences, Universidade da Coruña , Coruña , Spain
| | - Ana Maseda
- Universidade da Coruña, Gerontology Research Group, Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC) , Coruña , Spain
| | - Laura Lorenzo-López
- Universidade da Coruña, Gerontology Research Group, Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC) , Coruña , Spain
| | - José C Millán-Calenti
- Universidade da Coruña, Gerontology Research Group, Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC) , Coruña , Spain
| | - Eduardo Pásaro
- Department of Psychology, Area of Psychobiology, Faculty of Education Sciences, Universidade da Coruña, DICOMOSA Group , Coruña , Spain
| | - Blanca Laffon
- Department of Psychology, Area of Psychobiology, Faculty of Education Sciences, Universidade da Coruña, DICOMOSA Group , Coruña , Spain
| | - Vanessa Valdiglesias
- Department of Psychology, Area of Psychobiology, Faculty of Education Sciences, Universidade da Coruña, DICOMOSA Group , Coruña , Spain
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Ben Youssef S, Brisson G, Doucet-Beaupré H, Castonguay AM, Gora C, Amri M, Lévesque M. Neuroprotective benefits of grape seed and skin extract in a mouse model of Parkinson's disease. Nutr Neurosci 2019; 24:197-211. [PMID: 31131731 DOI: 10.1080/1028415x.2019.1616435] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Parkinson's disease is a neurodegenerative disorder characterized by the progressive loss of midbrain dopaminergic (mDA) neurons in the substantia nigra pars compacta, and it involves oxidative stress. Our goal was to evaluate the neuroprotective effect of Vitis vinifera red grape seed and skin extract (GSSE) in a model of Parkinson's disease. GSSE is very rich in phenolic compounds, such as flavonoids, anthocyanins, catechins and stilbenes, which are present in the pulp, seeds, and leaves of the fruit. GSSE is known for its antioxidant properties and has shown beneficial effects against oxidative injury in different organs, such as the kidneys, liver, heart and brain. In this study, we revealed the neuroprotective effect of GSSE on midbrain dopaminergic neurons both in vitro and in vivo. We used the neurotoxin 6-hydroxydopamine (6-OHDA), which induces oxidative damage and mimics the degeneration of dopaminergic neurons observed in Parkinson's disease. We found that GSSE was effective in protecting dopamine neurons from 6-OHDA toxicity by reducing apoptosis, the level of reactive oxygen species (ROS) and inflammation. Furthermore, we found that GSSE treatment efficiently protected against neuronal loss and improved motor function in an in vivo 6-OHDA model of Parkinson's disease (PD). Altogether, our results show that GSSE acts at multiple levels to protect dopamine neurons from degeneration in a model of PD.
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Affiliation(s)
- Sarah Ben Youssef
- Department of Psychiatry and Neuroscience, Faculty of Medicine, Université Laval, Québec, Canada.,CERVO Brain Research Centre, Québec, Canada.,Laboratory of Functional Neurophysiology and Pathology, Research Unit UR/11ES09, Department of Biological Sciences, Faculty of Science of Tunis, University Tunis El Manar, Tunis, Tunisia
| | - Guillaume Brisson
- Department of Psychiatry and Neuroscience, Faculty of Medicine, Université Laval, Québec, Canada.,CERVO Brain Research Centre, Québec, Canada
| | - Hélène Doucet-Beaupré
- Department of Psychiatry and Neuroscience, Faculty of Medicine, Université Laval, Québec, Canada.,CERVO Brain Research Centre, Québec, Canada
| | - Anne-Marie Castonguay
- Department of Psychiatry and Neuroscience, Faculty of Medicine, Université Laval, Québec, Canada
| | - Charles Gora
- Department of Psychiatry and Neuroscience, Faculty of Medicine, Université Laval, Québec, Canada.,CERVO Brain Research Centre, Québec, Canada
| | - Mohamed Amri
- Laboratory of Functional Neurophysiology and Pathology, Research Unit UR/11ES09, Department of Biological Sciences, Faculty of Science of Tunis, University Tunis El Manar, Tunis, Tunisia
| | - Martin Lévesque
- Department of Psychiatry and Neuroscience, Faculty of Medicine, Université Laval, Québec, Canada.,CERVO Brain Research Centre, Québec, Canada
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42
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Caracci MO, Fuentealba LM, Marzolo MP. Golgi Complex Dynamics and Its Implication in Prevalent Neurological Disorders. Front Cell Dev Biol 2019; 7:75. [PMID: 31134199 PMCID: PMC6514153 DOI: 10.3389/fcell.2019.00075] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Accepted: 04/18/2019] [Indexed: 12/13/2022] Open
Abstract
Coupling of protein synthesis with protein delivery to distinct subcellular domains is essential for maintaining cellular homeostasis, and defects thereof have consistently been shown to be associated with several diseases. This function is particularly challenging for neurons given their polarized nature and differential protein requirements in synaptic boutons, dendrites, axons, and soma. Long-range trafficking is greatly enhanced in neurons by discrete mini-organelles resembling the Golgi complex (GC) referred to as Golgi outposts (GOPs) which play an essential role in the development of dendritic arborization. In this context, the morphology of the GC is highly plastic, and the polarized distribution of this organelle is necessary for neuronal migration and polarized growth. Furthermore, synaptic components are readily trafficked and modified at GOP suggesting a function for this organelle in synaptic plasticity. However, little is known about GOPs properties and biogenesis and the role of GOP dysregulation in pathology. In this review, we discuss current literature supporting a role for GC dynamics in prevalent neurological disorders such as Alzheimer’s disease, Parkinson’s disease, Huntington’s disease, and epilepsy, and examine the association of these disorders with the wide-ranging effects of GC function on common cellular pathways regulating neuronal excitability, polarity, migration, and organellar stress. First, we discuss the role of Golgins and Golgi-associated proteins in the regulation of GC morphology and dynamics. Then, we consider abnormal GC arrangements observed in neurological disorders and associations with common neuronal defects therein. Finally, we consider the cell signaling pathways involved in the modulation of GC dynamics and argue for a master regulatory role for Reelin signaling, a well-known regulator of neuronal polarity and migration. Determining the cellular pathways involved in shaping the Golgi network will have a direct and profound impact on our current understanding of neurodevelopment and neuropathology and aid the development of novel therapeutic strategies for improved patient care and prognosis.
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Affiliation(s)
- Mario O Caracci
- Departamento de Biología Celular y Molecular, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Luz M Fuentealba
- Departamento de Biología Celular y Molecular, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - María-Paz Marzolo
- Departamento de Biología Celular y Molecular, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
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Arshad N, Janjua NK. Kinetics, Mechanistic and Theoretical Studies on Scavenging Activities of Antioxidants Using 1,2-Dinitrobenzene DNB/DNB•− and DNB/DNB2– Model Systems: Cyclic Voltammetric and Quantum Semi-Empirical Data Interpretation. RUSS J ELECTROCHEM+ 2019. [DOI: 10.1134/s1023193518140021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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44
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McCormack A, Keating DJ, Chegeni N, Colella A, Wang JJ, Chataway T. Abundance of Synaptic Vesicle-Related Proteins in Alpha-Synuclein-Containing Protein Inclusions Suggests a Targeted Formation Mechanism. Neurotox Res 2019; 35:883-897. [PMID: 30796693 DOI: 10.1007/s12640-019-00014-0] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Revised: 01/31/2019] [Accepted: 02/08/2019] [Indexed: 01/26/2023]
Abstract
Proteinaceous α-synuclein-containing inclusions are found in affected brain regions in patients with Parkinson's disease (PD), Dementia with Lewy bodies (DLB) and multiple system atrophy (MSA). These appear in neurons as Lewy bodies in both PD and DLB and as glial cytoplasmic inclusions (GCIs) in oligodendrocytes in MSA. The role they play in the pathology of the diseases is unknown, and relatively little is still known about their composition. By purifying the inclusions from the surrounding tissue and comprehensively analysing their protein composition, vital clues to the formation mechanism and role in the disease process may be found. In this study, Lewy bodies were purified from postmortem brain tissue from DLB cases (n = 2) and GCIs were purified from MSA cases (n = 5) using a recently improved purification method, and the purified inclusions were analysed by mass spectrometry. Twenty-one percent of the proteins found consistently in the GCIs and LBs were synaptic-vesicle related. Identified proteins included those associated with exosomes (CD9), clathrin-mediated endocytosis (clathrin, AP-2 complex, dynamin), retrograde transport (dynein, dynactin, spectrin) and synaptic vesicle fusion (synaptosomal-associated protein 25, vesicle-associated membrane protein 2, syntaxin-1). This suggests that the misfolded or excess α-synuclein may be targeted to inclusions via vesicle-mediated transport, which also explains the presence of the neuronal protein α-synuclein within GCIs.
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Affiliation(s)
- Amellia McCormack
- Flinders Proteomics Facility, College of Medicine and Public Health, Flinders University, Bedford Park, South Australia, 5042, Australia
| | - Damien J Keating
- College of Medicine and Public Health, Flinders University, Bedford Park, South Australia, 5042, Australia
| | - Nusha Chegeni
- Flinders Proteomics Facility, College of Medicine and Public Health, Flinders University, Bedford Park, South Australia, 5042, Australia
| | - Alex Colella
- Flinders Proteomics Facility, College of Medicine and Public Health, Flinders University, Bedford Park, South Australia, 5042, Australia.,Department of Immunology, Flinders Medical Centre and Flinders University, SA Pathology, Bedford Park, South Australia, 5042, Australia
| | - Jing Jing Wang
- Department of Immunology, Flinders Medical Centre and Flinders University, SA Pathology, Bedford Park, South Australia, 5042, Australia
| | - Tim Chataway
- Flinders Proteomics Facility, College of Medicine and Public Health, Flinders University, Bedford Park, South Australia, 5042, Australia.
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Kawamura M, Sato S, Matsumoto G, Fukuda T, Shiba-Fukushima K, Noda S, Takanashi M, Mori N, Hattori N. Loss of nuclear REST/NRSF in aged-dopaminergic neurons in Parkinson's disease patients. Neurosci Lett 2019; 699:59-63. [PMID: 30684677 DOI: 10.1016/j.neulet.2019.01.042] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Revised: 01/21/2019] [Accepted: 01/23/2019] [Indexed: 10/27/2022]
Abstract
Parkinson's disease (PD) is the second most common neurodegenerative disease. Lewy bodies and pale bodies in dopaminergic neurons in the substantia nigra are pathological hallmarks of PD. A number of neurodegenerative diseases demonstrate aggregate formation, but how these aggregates are associated with their pathogenesis remains unknown. It has been reported that repressor element-1 silencing transcription factor/neuron-restrictive silencer factor (REST/NRSF) is induced in the nuclei of aged neurons, preserves neuronal function, and protects against neurodegeneration during aging through the repression of cell death-inducing genes. The loss of REST is associated with Alzheimer's disease pathology. However, its function in dopaminergic neurons remains unknown. Here we demonstrated that REST enters the nucleus of aged dopaminergic neurons. On the other hand, REST is partially sequestrated in Lewy bodies and is mostly absent from the nucleus of neurons in brains with PD and dementia with Lewy bodies (DLB). Dopaminergic neuron-specific autophagy-deficient mice exhibit REST accumulation in aggregates. Defects in the protein quality control system induce REST mRNA expression; its gene product mainly appears in aggregates. Our results suggest that Lewy pathology disturbs normal aging processes in dopaminergic neurons by sequestering REST and the loss of REST may associate with the PD pathology.
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Affiliation(s)
- Miwako Kawamura
- Department of Neurology, Graduate school of Medicine, Juntendo University, Tokyo, 113-8421, Japan
| | - Shigeto Sato
- Department of Neurology, Graduate school of Medicine, Juntendo University, Tokyo, 113-8421, Japan.
| | - Gen Matsumoto
- Department of Anatomy and Neurobiology, Graduate school of Biomedical science, Nagasaki University, Nagasaki, 852-8523, Japan
| | - Takahiro Fukuda
- Division of Neuropathology, Department of Neuroscience, The Jikei University School of Medicine, Tokyo, 105-8461, Japan
| | - Kahori Shiba-Fukushima
- Research Institute for Disease of Old Age, Juntendo University Graduate School of Medicine, Tokyo, 113-8421, Japan
| | - Sachiko Noda
- Department of Neurology, Graduate school of Medicine, Juntendo University, Tokyo, 113-8421, Japan
| | - Masashi Takanashi
- Department of Neurology, Graduate school of Medicine, Juntendo University, Tokyo, 113-8421, Japan
| | - Nozomu Mori
- Department of Anatomy and Neurobiology, Graduate school of Biomedical science, Nagasaki University, Nagasaki, 852-8523, Japan
| | - Nobutaka Hattori
- Department of Neurology, Graduate school of Medicine, Juntendo University, Tokyo, 113-8421, Japan
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46
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Synthesis and evaluation of chromone derivatives as inhibitors of monoamine oxidase. Mol Divers 2019; 23:897-913. [DOI: 10.1007/s11030-019-09917-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Accepted: 01/06/2019] [Indexed: 12/30/2022]
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47
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Role of GTPases in the Regulation of Mitochondrial Dynamics in Alzheimer's Disease and CNS-Related Disorders. Mol Neurobiol 2018; 56:4530-4538. [PMID: 30338485 DOI: 10.1007/s12035-018-1397-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Accepted: 10/14/2018] [Indexed: 12/22/2022]
Abstract
Data obtained from several studies have shown that mitochondria are involved and play a central role in the progression of several distinct pathological conditions. Morphological alterations and disruptions on the functionality of mitochondria may be related to metabolic and energy deficiency in neurons in a neurodegenerative disorder. Several recent studies demonstrate the linkage between neurodegeneration and mitochondrial dynamics in the spectrum of a promising era called precision mitochondrial medicine. In this review paper, an analysis of the correlation between mitochondria, Alzheimer's disease, and other central nervous system (CNS)-related disorders like the Parkinson's disease and the autism spectrum disorder is under discussion. The role of GTPases like the mfn1, mfn2, opa1, and dlp1 in mitochondrial fission and fusion is also under investigation, influencing mitochondrial population and leading to oxidative stress and neuronal damage.
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48
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Zhao YF, Qiong-Zhang, Zhang JF, Lou ZY, Zu HB, Wang ZG, Zeng WC, Kai-Yao, Xiao BG. The Synergy of Aging and LPS Exposure in a Mouse Model of Parkinson's Disease. Aging Dis 2018; 9:785-797. [PMID: 30271656 PMCID: PMC6147589 DOI: 10.14336/ad.2017.1028] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2017] [Accepted: 10/29/2017] [Indexed: 12/20/2022] Open
Abstract
Aging is an inevitable physiological challenge occurring in organisms over time, and is also the most important risk factor of neurodegenerative diseases. In this study, we observed cellular and molecular changes of different age mice and LPS-induced Parkinson disease (PD) model. The results showed that behavioral performance and dopaminergic (DA) neurons were declined, accompanied by increased expression of pro-inflammatory factors (TLR2, p-NF-kB-p65, IL-1β and TNF-α), as well as pro-oxidative stress factor gp91phox in aged mice compared with young mice. Aging exaggerated inflammatory M1 microglia, and destroyed the balance between oxidation and anti-oxidation. The intranasal LPS instillation induced PD model in both young and aged mice. The poor behavioral performance and the loss of DA neurons as well as TLR2, p-NF-kB-p65, IL-1β, TNF-α, iNOS and gp91phox were further aggravated in LPS-aged mice. Interestingly, the expression of Nrf2 and HO-1 was up-regulated by LPS only in young LPS-PD mice, but not in aged mice. The results indicate that the synergy of aging process and LPS exposure may prominently aggravate the DA neurons loss caused by more serious neuroinflammation and oxidative stress in the brain.
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Affiliation(s)
- Yong-Fei Zhao
- 1Department of Neurology, Jinshan Hospital, Fudan University, Shanghai, China
| | - Qiong-Zhang
- 2Institute of Neurology, Huashan Hospital, Institutes of Brain Science and State Key Laboratory of Medical Neurobiology, Fudan University, Shanghai, China
| | - Jian-Feng Zhang
- 1Department of Neurology, Jinshan Hospital, Fudan University, Shanghai, China
| | - Zhi-Yin Lou
- 3Department of Neurology, Xinhua Hospital, Medical College, Shanghai Jiaotong University, Shanghai, China
| | - Hen-Bing Zu
- 1Department of Neurology, Jinshan Hospital, Fudan University, Shanghai, China
| | - Zi-Gao Wang
- 1Department of Neurology, Jinshan Hospital, Fudan University, Shanghai, China
| | - Wei-Cheng Zeng
- 1Department of Neurology, Jinshan Hospital, Fudan University, Shanghai, China
| | - Kai-Yao
- 1Department of Neurology, Jinshan Hospital, Fudan University, Shanghai, China
| | - Bao-Guo Xiao
- 2Institute of Neurology, Huashan Hospital, Institutes of Brain Science and State Key Laboratory of Medical Neurobiology, Fudan University, Shanghai, China
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50
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Pozo Devoto VM, Falzone TL. Mitochondrial dynamics in Parkinson's disease: a role for α-synuclein? Dis Model Mech 2018; 10:1075-1087. [PMID: 28883016 PMCID: PMC5611962 DOI: 10.1242/dmm.026294] [Citation(s) in RCA: 115] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Accepted: 07/13/2017] [Indexed: 12/13/2022] Open
Abstract
The distinctive pathological hallmarks of Parkinson's disease are the progressive death of dopaminergic neurons and the intracellular accumulation of Lewy bodies enriched in α-synuclein protein. Several lines of evidence from the study of sporadic, familial and pharmacologically induced forms of human Parkinson's disease also suggest that mitochondrial dysfunction plays an important role in disease progression. Although many functions have been proposed for α-synuclein, emerging data from human and animal models of Parkinson's disease highlight a role for α-synuclein in the control of neuronal mitochondrial dynamics. Here, we review the α-synuclein structural, biophysical and biochemical properties that influence relevant mitochondrial dynamic processes such as fusion-fission, transport and clearance. Drawing on current evidence, we propose that α-synuclein contributes to the mitochondrial defects that are associated with the pathology of this common and progressive neurodegenerative disease. Summary: The authors review the α-synuclein structural, biophysical and biochemical properties that influence relevant mitochondrial physiological processes such as fusion-fission, transport and clearance, and propose that α-synuclein contributes to the mitochondrial defects that are associated with Parkinson's disease.
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Affiliation(s)
- Victorio M Pozo Devoto
- Instituto de Biología Celular y Neurociencias, IBCN (UBA-CONICET), Facultad de Medicina, Universidad de Buenos Aires, Paraguay 2155, Buenos Aires, CP1121, Argentina.,International Clinical Research Center (ICRC), St. Anne's University Hospital, CZ-65691, Brno, Czech Republic
| | - Tomas L Falzone
- Instituto de Biología Celular y Neurociencias, IBCN (UBA-CONICET), Facultad de Medicina, Universidad de Buenos Aires, Paraguay 2155, Buenos Aires, CP1121, Argentina .,Instituto de Biología y Medicina Experimental, IBYME-CONICET, Vuelta de Obligado 2490, Buenos Aires, CP1428, Argentina
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