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Li MY, Shi YC, Xu WX, Zhao L, Zhang AZ. Exploring Cr(VI)-induced blood-brain barrier injury and neurotoxicity in zebrafish and snakehead fish, and inhibiting toxic effects of astaxanthin. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 355:124280. [PMID: 38815890 DOI: 10.1016/j.envpol.2024.124280] [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: 04/15/2024] [Revised: 05/13/2024] [Accepted: 05/28/2024] [Indexed: 06/01/2024]
Abstract
Cr(VI) is a common hazardous heavy metal contaminant that seriously endangers human and aquatic animal health. GPX4 was the key enzyme that reduces heavy metal toxicity through inhibiting ferroptosis pathway. Astaxanthin was GPX4 activator that can weaken biological toxicity induced by Cr(VI) exposure. The present study was conducted to evaluate the major role of GPX4 in astaxanthin protects Cr(VI)-induced oxidative damage, blood-brain barrier injury and neurotoxicity in brain-liver axis through inhibiting ferroptosis pathway. In the current study, astaxanthin intervention can effectively alleviate Cr(VI)-induced oxidative stress, blood-brain barrier damage, and neurotoxicity. GPX4 plays a major role in mediating astaxanthin nutritional intervention to reduce ROS and liver non-heme iron accumulation, which would contribute to the reduction of ferroptosis. Meanwhile, astaxanthin maintains the stability of transport receptors and protein macromolecules such as TMEM163, SLC7A11, SLC3A2, FPN1 and GLUT1 in the brain liver axis, promoting substance exchange and energy supply. Moreover, astaxanthin alleviates Cr(VI)-induced neurotoxicity by promoting tight protein expression and reducing blood-brain barrier permeability.
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Affiliation(s)
- Mu-Yang Li
- Key Laboratory of Efficient Utilization of Feed Resources and Nutrition Manipulation in Cold Region of Heilongjiang Province, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang, 163319, China
| | - Yan-Chao Shi
- Key Laboratory of Efficient Utilization of Feed Resources and Nutrition Manipulation in Cold Region of Heilongjiang Province, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang, 163319, China
| | - Wan-Xin Xu
- Key Laboratory of Efficient Utilization of Feed Resources and Nutrition Manipulation in Cold Region of Heilongjiang Province, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang, 163319, China
| | - Lei Zhao
- Key Laboratory of Efficient Utilization of Feed Resources and Nutrition Manipulation in Cold Region of Heilongjiang Province, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang, 163319, China.
| | - Ai-Zhong Zhang
- Key Laboratory of Efficient Utilization of Feed Resources and Nutrition Manipulation in Cold Region of Heilongjiang Province, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang, 163319, China.
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2
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Li K, Wang P, Li W, Yan JH, Ge YL, Zhang JR, Wang F, Mao CJ, Liu CF. The association between plasma GPNMB and Parkinson's disease and multiple system atrophy. Parkinsonism Relat Disord 2024; 120:106001. [PMID: 38217954 DOI: 10.1016/j.parkreldis.2024.106001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 01/03/2024] [Accepted: 01/06/2024] [Indexed: 01/15/2024]
Abstract
AIMS Parkinson's disease (PD), as the second most common neurodegenerative disorder, often presents diagnostic challenges in differentiation from other forms of Parkinsonism. Recent studies have reported an association between plasma glycoprotein nonmetastatic melanoma protein B (pGPNMB) and PD. METHODS A retrospective study was conducted, comprising 401 PD patients, 111 multiple system atrophy (MSA) patients, 13 progressive supranuclear palsy (PSP) patients and 461 healthy controls from the Chinese Han population, with an assessment of pGPNMB levels. RESULTS The study revealed that pGPNMB concentrations were significantly lower in PD and MSA patients compared to controls (area under the receiver operating characteristics curve (AUC) 0.62 and 0.74, respectively, P < 0.0001 for both), but no difference was found in PSP patients compared to controls (P > 0.05). Interestingly, the level of pGPNMB was significantly higher in PD patients than in MSA patients (AUC = 0.63, P < 0.0001). Furthermore, the study explored the association between pGPNMB levels and disease severity in PD and MSA patients, revealing a positive correlation in PD patients but not in MSA patients with both disease severity and cognitive impairment. CONCLUSION This study successfully replicated prior findings, demonstrating an association between pGPNMB levels and disease severity, and also identified a correlation with cognitive impairment in PD patients of the Chinese Han population. Additionally, this study is the first to identify a significant difference in pGPNMB levels between MSA, PD, and normal controls. The data provide new evidence supporting the potential role of pGPNMB in the diagnosis and differential diagnosis of Parkinsonism.
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Affiliation(s)
- Kai Li
- Department of Neurology and Suzhou Clinical Research Center of Neurological Disease, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Puzhi Wang
- Department of Neurology and Suzhou Clinical Research Center of Neurological Disease, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Wen Li
- Department of Neurology and Suzhou Clinical Research Center of Neurological Disease, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Jia-Hui Yan
- Department of Neurology and Suzhou Clinical Research Center of Neurological Disease, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Yi-Lun Ge
- Department of Neurology and Suzhou Clinical Research Center of Neurological Disease, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Jin-Ru Zhang
- Department of Neurology and Suzhou Clinical Research Center of Neurological Disease, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Fen Wang
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and Institute of Neuroscience, Soochow University, Suzhou, China.
| | - Cheng-Jie Mao
- Department of Neurology and Suzhou Clinical Research Center of Neurological Disease, The Second Affiliated Hospital of Soochow University, Suzhou, China.
| | - Chun-Feng Liu
- Department of Neurology and Suzhou Clinical Research Center of Neurological Disease, The Second Affiliated Hospital of Soochow University, Suzhou, China; Jiangsu Key Laboratory of Neuropsychiatric Diseases and Institute of Neuroscience, Soochow University, Suzhou, China.
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Zeng F, Zhou P, Wang M, Xie L, Huang X, Wang Y, Huang J, Shao X, Yang Y, Liu W, Gu M, Yu Y, Sun F, He M, Li Y, Zhang Z, Gong W, Wang Y. ACMSD mediated de novo NAD + biosynthetic impairment in cardiac endothelial cells as a potential therapeutic target for diabetic cardiomyopathy. Diabetes Res Clin Pract 2023; 206:111014. [PMID: 37977551 DOI: 10.1016/j.diabres.2023.111014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 10/28/2023] [Accepted: 11/13/2023] [Indexed: 11/19/2023]
Abstract
OBJECT The highly conserved α-amino-β-carboxymuconate-ε-semialdehyde decarboxylase (ACMSD) is the key enzyme that regulates the de novo NAD+ synthesis from tryptophan. NAD+ metabolism in diabetic cardiomyopathy (DCM) was not elucidated yet. METHODS Mice were assigned to non-diabetic (NDM) group, streptozocin (STZ)-induced diabetic (DM) group, and nicotinamide (NAM) treated (DM + NAM) group. ACMSD mediated NAD+ metabolism were studied both in mice and patients with diabetes. RESULTS NAD+ level was significantly lower in the heart of DM mice than that of the NDM group. Supplementation with NAM could partially increased myocardial capillary density and ameliorated myocardial fibrosis by increasing NAD+ level through salvage pathway. Compared with NDM mice, the expression of ACMSD in myocardial endothelial cells of DM mice was significantly increased. It was further confirmed that in endothelial cells, high glucose promoted the expression of ACMSD. Inhibition of ACMSD could increase de novo NAD+ synthesis and improve endothelial cell function by increasing Sirt1 activity. Targeted mass spectrometry analysis indicated increased ACMSD enzyme activity in diabetic patients, higher ACMSD activity increased risk of heart diastolic dysfunction. CONCLUSION In summary, increased expression of ACMSD lead to impaired de novo NAD+ synthesis in diabetic heart. Inhibition of ACMSD could potentially improve DCM.
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Affiliation(s)
- Fangfang Zeng
- Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Peng Zhou
- Department of Cardiology, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, China
| | - Meng Wang
- Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Lijie Xie
- Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Xinmei Huang
- Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Yilin Wang
- Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Jinya Huang
- Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Xiaoqing Shao
- Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Yeping Yang
- Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Wenjuan Liu
- Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Maocheng Gu
- Department of Cardiology, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, China
| | - Yifei Yu
- Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Fei Sun
- Department of Endocrinology and Metabolism, Pudong New Area Gongli Hospital, Shanghai 200135, China
| | - Min He
- Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Yiming Li
- Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Zhaoyun Zhang
- Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Wei Gong
- Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai 200040, China.
| | - Yi Wang
- Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai 200040, China.
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Chatila ZK, Yadav A, Mares J, Flowers X, Yun TD, Rashid M, Talcoff R, Pelly Z, Zhang Y, De Jager PL, Teich A, Costa R, Gomez EA, Martins G, Alcalay R, Vonsattel JP, Menon V, Bradshaw EM, Przedborski S. RNA- and ATAC-sequencing Reveals a Unique CD83+ Microglial Population Focally Depleted in Parkinson's Disease. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.05.17.540842. [PMID: 37292857 PMCID: PMC10245789 DOI: 10.1101/2023.05.17.540842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
All brain areas affected in Parkinson's disease (PD) show an abundance of microglia with an activated morphology together with increased expression of pro-inflammatory cytokines, suggesting that neuroinflammation may contribute to the neurodegenerative process in this common and incurable disorder. We applied a single nucleus RNA- and ATAC-sequencing approach using the 10x Genomics Chromium platform to postmortem PD samples to investigate microglial heterogeneity in PD. We created a multiomic dataset using substantia nigra (SN) tissues from 19 PD donors and 14 non-PD controls (NPCs), as well as three other brain regions from the PD donors which are differentially affected in this disease: the ventral tegmental area (VTA), substantia inominata (SI), and hypothalamus (HypoTs). We identified thirteen microglial subpopulations within these tissues as well as a perivascular macrophage and a monocyte population, of which we characterized the transcriptional and chromatin repertoires. Using this data, we investigated whether these microglial subpopulations have any association with PD and whether they have regional specificity. We uncovered several changes in microglial subpopulations in PD, which appear to parallel the magnitude of neurodegeneration across these four selected brain regions. Specifically, we identified that inflammatory microglia in PD are more prevalent in the SN and differentially express PD-associated markers. Our analysis revealed the depletion of a CD83 and HIF1A- expressing microglial subpopulation, specifically in the SN in PD, that has a unique chromatin signature compared to other microglial subpopulations. Interestingly, this microglial subpopulation has regional specificity to the brainstem in non-disease tissues. Furthermore, it is highly enriched for transcripts of proteins involved in antigen presentation and heat-shock proteins, and its depletion in the PD SN may have implications for neuronal vulnerability in disease.
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Gyimesi G, Hediger MA. Systematic in silico discovery of novel solute carrier-like proteins from proteomes. PLoS One 2022; 17:e0271062. [PMID: 35901096 PMCID: PMC9333335 DOI: 10.1371/journal.pone.0271062] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Accepted: 06/22/2022] [Indexed: 12/26/2022] Open
Abstract
Solute carrier (SLC) proteins represent the largest superfamily of transmembrane transporters. While many of them play key biological roles, their systematic analysis has been hampered by their functional and structural heterogeneity. Based on available nomenclature systems, we hypothesized that many as yet unidentified SLC transporters exist in the human genome, which await further systematic analysis. Here, we present criteria for defining "SLC-likeness" to curate a set of "SLC-like" protein families from the Transporter Classification Database (TCDB) and Protein families (Pfam) databases. Computational sequence similarity searches surprisingly identified ~120 more proteins in human with potential SLC-like properties compared to previous annotations. Interestingly, several of these have documented transport activity in the scientific literature. To complete the overview of the "SLC-ome", we present an algorithm to classify SLC-like proteins into protein families, investigating their known functions and evolutionary relationships to similar proteins from 6 other clinically relevant experimental organisms, and pinpoint structural orphans. We envision that our work will serve as a stepping stone for future studies of the biological function and the identification of the natural substrates of the many under-explored SLC transporters, as well as for the development of new therapeutic applications, including strategies for personalized medicine and drug delivery.
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Affiliation(s)
- Gergely Gyimesi
- Membrane Transport Discovery Lab, Department of Nephrology and Hypertension and Department for BioMedical Research, Inselspital, University of Bern, Bern, Switzerland
- * E-mail: (GG); (MAH)
| | - Matthias A. Hediger
- Membrane Transport Discovery Lab, Department of Nephrology and Hypertension and Department for BioMedical Research, Inselspital, University of Bern, Bern, Switzerland
- * E-mail: (GG); (MAH)
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Cacabelos R, Carrera I, Martínez O, Alejo R, Fernández-Novoa L, Cacabelos P, Corzo L, Rodríguez S, Alcaraz M, Nebril L, Tellado I, Cacabelos N, Pego R, Naidoo V, Carril JC. Atremorine in Parkinson's disease: From dopaminergic neuroprotection to pharmacogenomics. Med Res Rev 2021; 41:2841-2886. [PMID: 34106485 DOI: 10.1002/med.21838] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 02/11/2021] [Accepted: 05/21/2021] [Indexed: 12/15/2022]
Abstract
Atremorine is a novel bioproduct obtained by nondenaturing biotechnological processes from a genetic species of Vicia faba. Atremorine is a potent dopamine (DA) enhancer with powerful effects on the neuronal dopaminergic system, acting as a neuroprotective agent in Parkinson's disease (PD). Over 97% of PD patients respond to a single dose of Atremorine (5 g, p.o.) 1 h after administration. This response is gender-, time-, dose-, and genotype-dependent, with optimal doses ranging from 5 to 20 g/day, depending upon disease severity and concomitant medication. Drug-free patients show an increase in DA levels from 12.14 ± 0.34 pg/ml to 6463.21 ± 1306.90 pg/ml; and patients chronically treated with anti-PD drugs show an increase in DA levels from 1321.53 ± 389.94 pg/ml to 16,028.54 ± 4783.98 pg/ml, indicating that Atremorine potentiates the dopaminergic effects of conventional anti-PD drugs. Atremorine also influences the levels of other neurotransmitters (adrenaline, noradrenaline) and hormones which are regulated by DA (e.g., prolactin, PRL), with no effect on serotonin or histamine. The variability in Atremorine-induced DA response is highly attributable to pharmacogenetic factors. Polymorphic variants in pathogenic (SNCA, NUCKS1, ITGA8, GPNMB, GCH1, BCKDK, APOE, LRRK2, ACMSD), mechanistic (DRD2), metabolic (CYP2D6, CYP2C9, CYP2C19, CYP3A4/5, NAT2), transporter (ABCB1, SLC6A2, SLC6A3, SLC6A4) and pleiotropic genes (APOE) influence the DA response to Atremorine and its psychomotor and brain effects. Atremorine enhances DNA methylation and displays epigenetic activity via modulation of the pharmacoepigenetic network. Atremorine is a novel neuroprotective agent for dopaminergic neurons with potential prophylactic and therapeutic activity in PD.
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Affiliation(s)
- Ramón Cacabelos
- Department of Genomic Medicine, EuroEspes Biomedical Research Center, International Center of Neuroscience and Genomic Medicine, Bergondo, Spain
| | - Iván Carrera
- Department of Health Biotechnology, EuroEspes Biomedical Research Center, International Center of Neuroscience and Genomic Medicine, Bergondo, Spain
| | - Olaia Martínez
- Department of Medical Epigenetics, EuroEspes Biomedical Research Center, International Center of Neuroscience and Genomic Medicine, Bergondo, Spain
| | | | | | - Pablo Cacabelos
- Department of Digital Diagnosis, EuroEspes Biomedical Research Center, International Center of Neuroscience and Genomic Medicine, Bergondo, Spain
| | - Lola Corzo
- Department of Medical Biochemistry, EuroEspes Biomedical Research Center, International Center of Neuroscience and Genomic Medicine, Bergondo, Spain
| | - Susana Rodríguez
- Department of Medical Biochemistry, EuroEspes Biomedical Research Center, International Center of Neuroscience and Genomic Medicine, Bergondo, Spain
| | - Margarita Alcaraz
- Department of Genomic Medicine, EuroEspes Biomedical Research Center, International Center of Neuroscience and Genomic Medicine, Bergondo, Spain
| | - Laura Nebril
- Department of Genomic Medicine, EuroEspes Biomedical Research Center, International Center of Neuroscience and Genomic Medicine, Bergondo, Spain
| | - Iván Tellado
- Department of Digital Diagnosis, EuroEspes Biomedical Research Center, International Center of Neuroscience and Genomic Medicine, Bergondo, Spain
| | - Natalia Cacabelos
- Department of Medical Documentation, EuroEspes Biomedical Research Center, International Center of Neuroscience and Genomic Medicine, Bergondo, Spain
| | - Rocío Pego
- Department of Neuropsychology, EuroEspes Biomedical Research Center, International Center of Neuroscience and Genomic Medicine, Bergondo, Spain
| | - Vinogran Naidoo
- Department of Neuroscience, EuroEspes Biomedical Research Center, International Center of Neuroscience and Genomic Medicine, Bergondo, Spain
| | - Juan C Carril
- Department of Genomics & Pharmacogenomics, EuroEspes Biomedical Research Center, International Center of Neuroscience and Genomic Medicine, Bergondo, Spain
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Styrpejko DJ, Cuajungco MP. Transmembrane 163 (TMEM163) Protein: A New Member of the Zinc Efflux Transporter Family. Biomedicines 2021; 9:biomedicines9020220. [PMID: 33670071 PMCID: PMC7926707 DOI: 10.3390/biomedicines9020220] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Revised: 02/17/2021] [Accepted: 02/17/2021] [Indexed: 12/27/2022] Open
Abstract
A growing body of evidence continues to demonstrate the vital roles that zinc and its transporters play on human health. The mammalian solute carrier 30 (SLC30) family, with ten current members, controls zinc efflux transport in cells. TMEM163, a recently reported zinc transporter, has similar characteristics in both predicted transmembrane domain structure and function to the cation diffusion facilitator (CDF) protein superfamily. This review discusses past and present data indicating that TMEM163 is a zinc binding protein that transports zinc in cells. We provide a brief background on TMEM163’s discovery, transport feature, protein interactome, and similarities, as well as differences, with known SLC30 (ZnT) protein family. We also examine recent reports that implicate TMEM163 directly or indirectly in various human diseases such as Parkinson’s disease, Mucolipidosis type IV and diabetes. Overall, the role of TMEM163 protein in zinc metabolism is beginning to be realized, and based on current evidence, we propose that it is likely a new CDF member belonging to mammalian SLC30 (ZnT) zinc efflux transporter proteins.
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Affiliation(s)
- Daniel J. Styrpejko
- Department of Biological Science, California State University Fullerton, Fullerton, CA 92831, USA;
| | - Math P. Cuajungco
- Department of Biological Science, California State University Fullerton, Fullerton, CA 92831, USA;
- Center for Applied Biotechnology Studies, California State University Fullerton, Fullerton, CA 92831, USA
- Correspondence:
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Venkatesan D, Iyer M, Narayanasamy A, Siva K, Vellingiri B. Kynurenine pathway in Parkinson's disease-An update. eNeurologicalSci 2020; 21:100270. [PMID: 33134567 PMCID: PMC7585940 DOI: 10.1016/j.ensci.2020.100270] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 08/05/2020] [Accepted: 08/26/2020] [Indexed: 12/24/2022] Open
Abstract
Parkinson's disease (PD) is a complex multi-factorial neurodegenerative disorder where various altered metabolic pathways contribute to the progression of the disease. Tryptophan (TRP) is a major precursor in kynurenine pathway (KP) and it has been discussed in various in vitro studies that the metabolites quinolinic acid (QUIN) causes neurotoxicity and kynurenic acid (KYNA) acts as neuroprotectant respectively. More studies are also focused on the effects of other KP metabolites and its enzymes as it has an association with ageing and PD pathogenesis. Until now, very few studies have targeted the role of genetic mutations in abnormal KP metabolism in adverse conditions of PD. Therefore, the present review gives an updated research studies on KP in connection with PD. Moreover, the review emphasizes on the urge for the development of biomarkers and also this would be an initiative in generating an alternative therapeutic approach for PD.
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Key Words
- 3-HAA, 3-hydroxyanthranilic acid
- 3-HK, 3-hydroxykynurenine
- 6-OHDA, 6-hydroxydopamine
- AA, anthranilic acid
- ACMSD, amino-carboxymuconatesemialdehyde decarboxylase
- AD, Alzheimer's disease
- ATP, adenosine triphosphate
- Ageing
- AhR, aryl hydrocarbon receptor
- Biomarkers
- CNS, central nervous system
- CSF, cerebrospinal fluid
- DA, dopaminergic
- FAM, formamidase
- IDO-1, indoleamine-2,3-dioxygenases
- IFN-γ, interferon-γ
- KATs, kynurenine aminotransferases
- KMO, kynurenine −3-monooxygenase
- KP, Kynurenine pathway
- KYN, kynurenine
- KYNA, kynurenic acid
- Kynurenine pathway (KP)
- L-DOPA, L-dopamine
- LID, L-DOPA-induced dyskinesia
- MPTP, 1-methyl-4-phenyl-1, 2, 3, 6-tetrahydropyridine
- NAD+, nicotinamide adenine dinucleotide
- NADPH, nicotinamide adenine dinucleotide phosphate
- NFK, N′-formylkynurenine
- NMDA, N-methyl-d-aspartate
- PA, picolinic acid
- PD, Parkinson's disease
- Parkinson's disease (PD)
- QUIN, quinolinic acid
- RBCs, red blood cells
- SNpc, substantianigra pars compacta
- TDO, tryptophan 2,3-dioxygenase
- TRP, tryptophan
- Therapeutics
- XA, xanthurenic acid
- ZNS, zonisamide
- α-synuclein, αSyn
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Affiliation(s)
- Dhivya Venkatesan
- Human Molecular Cytogenetics and Stem Cell Laboratory, Department of Human Genetics and Molecular Biology, Bharathiar University, Coimbatore 641 046, Tamil Nadu, India
| | - Mahalaxmi Iyer
- Department of Zoology, Avinashilingam Institute for Home Science and Higher Education for Women, Coimbatore 641 043, Tamil Nadu, India
| | - Arul Narayanasamy
- Disease Proteomics Laboratory, Department of Zoology, Bharathiar University, Coimbatore 641 046, Tamil Nadu, India
| | - Kamalakannan Siva
- National Centre for Disease Control, Ministry of Health and Family Welfare, Government of India, New Delhi 110054, India
| | - Balachandar Vellingiri
- Human Molecular Cytogenetics and Stem Cell Laboratory, Department of Human Genetics and Molecular Biology, Bharathiar University, Coimbatore 641 046, Tamil Nadu, India
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