1
|
Yang T, Lai K, Yu Y, Liao Z, Cai R, Yu X, Li W. Effects of neuropeptide Y on the immune-protection and intestinal tract of juvenile Micropterus salmoides. Gen Comp Endocrinol 2024; 351:114480. [PMID: 38401858 DOI: 10.1016/j.ygcen.2024.114480] [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: 12/24/2023] [Revised: 02/21/2024] [Accepted: 02/21/2024] [Indexed: 02/26/2024]
Abstract
Neuropeptide Y is known to be directly or indirectly involved in immune regulation. The immune effects of NPY include immune cell transport, helper T cell differentiation, cytokine secretion, staining and killer cell activity, phagocytosis and production of reactive oxygen species. In this study, we investigated the immunoprotective effect of synthetic NPY on largemouth bass larvae. For the first time, the dose and time effects of NPY injection on largemouth bass was explored, and then Poly I:C and LPS infection was carried out in juvenile largemouth bass, respectively, after the injection of NPY. The results showed that NPY could reduce the inflammatory response by inhibiting the expression of il-1β, tgf-β, ifn-γ and other immune factors in head kidney, spleen and brain, and alleviate the immune stress caused by strong inflammatory response in the early stage of infection. Meanwhile, NPY injection ameliorated the intestinal tissue damage caused by infection. This study provides a new way to protect juvenile fish and improve its innate immunity.
Collapse
Affiliation(s)
- Tao Yang
- State Key Laboratory of Biocontrol, Guangdong Province Key Laboratory for Aquatic Economic Animals, Guangdong Provincial Engineering Technology Research Center for Healthy Breeding of Important Economic Fish, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, China
| | - Kingwai Lai
- State Key Laboratory of Biocontrol, Guangdong Province Key Laboratory for Aquatic Economic Animals, Guangdong Provincial Engineering Technology Research Center for Healthy Breeding of Important Economic Fish, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, China
| | - Yang Yu
- State Key Laboratory of Biocontrol, Guangdong Province Key Laboratory for Aquatic Economic Animals, Guangdong Provincial Engineering Technology Research Center for Healthy Breeding of Important Economic Fish, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, China.
| | - Zongzhen Liao
- State Key Laboratory of Biocontrol, Guangdong Province Key Laboratory for Aquatic Economic Animals, Guangdong Provincial Engineering Technology Research Center for Healthy Breeding of Important Economic Fish, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, China.
| | - Ran Cai
- State Key Laboratory of Biocontrol, Guangdong Province Key Laboratory for Aquatic Economic Animals, Guangdong Provincial Engineering Technology Research Center for Healthy Breeding of Important Economic Fish, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, China
| | - Xiaozheng Yu
- State Key Laboratory of Biocontrol, Guangdong Province Key Laboratory for Aquatic Economic Animals, Guangdong Provincial Engineering Technology Research Center for Healthy Breeding of Important Economic Fish, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, China
| | - Wensheng Li
- State Key Laboratory of Biocontrol, Guangdong Province Key Laboratory for Aquatic Economic Animals, Guangdong Provincial Engineering Technology Research Center for Healthy Breeding of Important Economic Fish, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, China.
| |
Collapse
|
2
|
Gupta S, Dinesh S, Sharma S. Bridging the Mind and Gut: Uncovering the Intricacies of Neurotransmitters, Neuropeptides, and their Influence on Neuropsychiatric Disorders. Cent Nerv Syst Agents Med Chem 2024; 24:2-21. [PMID: 38265387 DOI: 10.2174/0118715249271548231115071021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 08/31/2023] [Accepted: 10/04/2023] [Indexed: 01/25/2024]
Abstract
BACKGROUND The gut-brain axis (GBA) is a bidirectional signaling channel that facilitates communication between the gastrointestinal tract and the brain. Recent research on the gut-brain axis demonstrates that this connection enables the brain to influence gut function, which in turn influences the brain and its cognitive functioning. It is well established that malfunctioning of this axis adversely affects both systems' ability to operate effectively. OBJECTIVE Dysfunctions in the GBA have been associated with disorders of gut motility and permeability, intestinal inflammation, indigestion, constipation, diarrhea, IBS, and IBD, as well as neuropsychiatric and neurodegenerative disorders like depression, anxiety, schizophrenia, autism, Alzheimer's, and Parkinson's disease. Multiple research initiatives have shown that the gut microbiota, in particular, plays a crucial role in the GBA by participating in the regulation of a number of key neurochemicals that are known to have significant effects on the mental and physical well-being of an individual. METHODS Several studies have investigated the relationship between neuropsychiatric disorders and imbalances or disturbances in the metabolism of neurochemicals, often leading to concomitant gastrointestinal issues and modifications in gut flora composition. The interaction between neurological diseases and gut microbiota has been a focal point within this research. The novel therapeutic interventions in neuropsychiatric conditions involving interventions such as probiotics, prebiotics, and dietary modifications are outlined in this review. RESULTS The findings of multiple studies carried out on mice show that modulating and monitoring gut microbiota can help treat symptoms of such diseases, which raises the possibility of the use of probiotics, prebiotics, and even dietary changes as part of a new treatment strategy for neuropsychiatric disorders and their symptoms. CONCLUSION The bidirectional communication between the gut and the brain through the gut-brain axis has revealed profound implications for both gastrointestinal and neurological health. Malfunctions in this axis have been connected to a range of disorders affecting gut function as well as cognitive and neuropsychiatric well-being. The emerging understanding of the role of gut microbiota in regulating key neurochemicals opens up possibilities for novel treatment approaches for conditions like depression, anxiety, and neurodegenerative diseases.
Collapse
Affiliation(s)
- Saumya Gupta
- Department of Bioinformatics, BioNome, Bengaluru, India
| | - Susha Dinesh
- Department of Bioinformatics, BioNome, Bengaluru, India
| | - Sameer Sharma
- Department of Bioinformatics, BioNome, Bengaluru, India
| |
Collapse
|
3
|
Bale R, Doshi G. Cross talk about the role of Neuropeptide Y in CNS disorders and diseases. Neuropeptides 2023; 102:102388. [PMID: 37918268 DOI: 10.1016/j.npep.2023.102388] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 10/18/2023] [Accepted: 10/20/2023] [Indexed: 11/04/2023]
Abstract
A peptide composed of a 36 amino acid called Neuropeptide Y (NPY) is employed in a variety of physiological processes to manage and treat conditions affecting the endocrine, circulatory, respiratory, digestive, and neurological systems. NPY naturally binds to G-protein coupled receptors, activating the Y-receptors (Y1-Y5 and y6). The findings on numerous therapeutic applications of NPY for CNS disease are presented in this review by the authors. New targets for treating diseases will be revealed by medication combinations that target NPY and its receptors. This review is mainly focused on disorders such as anxiety, Alzheimer's disease, Parkinson's disease, Huntington's disease, Machado Joseph disease, multiple sclerosis, schizophrenia, depression, migraine, alcohol use disorder, and substance use disorder. The findings from the preclinical studies and clinical studies covered in this article may help create efficient therapeutic plans to treat neurological conditions on the one hand and psychiatric disorders on the other. They may also open the door to the creation of novel NPY receptor ligands as medications to treat these conditions.
Collapse
Affiliation(s)
- Rajeshwari Bale
- Department of Pharmacology, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, V L M Road, Vile Parle (w), Mumbai 400056, India
| | - Gaurav Doshi
- Department of Pharmacology, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, V L M Road, Vile Parle (w), Mumbai 400056, India.
| |
Collapse
|
4
|
Yu Y, Li R, Yu X, Hu Y, Liao Z, Li W. Immuno-protective effect of neuropeptide Y immersion on the juvenile tilapia infected by Streptococcus agalactiae. FISH & SHELLFISH IMMUNOLOGY 2023; 141:109072. [PMID: 37709180 DOI: 10.1016/j.fsi.2023.109072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 08/29/2023] [Accepted: 09/09/2023] [Indexed: 09/16/2023]
Abstract
Neuropeptide Y (NPY), an important neurotransmitter, is widely distributed in the nervous systems of vertebrates. Multiple functions of NPY in mammals include the regulation of brain activity, emotion, stress response, feeding, digestion, metabolism and immune function. In the present study, we used synthetic NPY to immerse juvenile tilapia, thus firstly exploring the dose and time effect of this immersion. The results showed that the expression level of y8b and serum glucose increased after NPY immersion. When juvenile tilapia was challenged with Streptococcus agalactiae (S. agalactiae), no matter before or after the administration of NPY-immersion, it was found that NPY immersion could inhibit the expression of il-1β induced by S. agalactiae in telencephalon, hypothalamus, spleen and head kidney, and then promote the expression of il-10. In addition, NPY-immersion could reduce the activity of serum SOD but increase that of lysozyme, and ameliorate tissue damage in the head kidney and spleen of juvenile tilapia caused by S. agalactiae infection. This study firstly proposes the potential of NPY to be an immune protect factor in juvenile fish, and the results can provide a reference for the application of immersion administration in the immune protection of juvenile fish.
Collapse
Affiliation(s)
- Yang Yu
- State Key Laboratory of Biocontrol, Guangdong Province Key Laboratory for Aquatic Economic Animals, Guangdong Provincial Engineering Technology Research Center for Healthy Breeding of Important Economic Fish, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, China.
| | - Ruoyun Li
- State Key Laboratory of Biocontrol, Guangdong Province Key Laboratory for Aquatic Economic Animals, Guangdong Provincial Engineering Technology Research Center for Healthy Breeding of Important Economic Fish, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, China.
| | - Xiaozheng Yu
- State Key Laboratory of Biocontrol, Guangdong Province Key Laboratory for Aquatic Economic Animals, Guangdong Provincial Engineering Technology Research Center for Healthy Breeding of Important Economic Fish, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, China.
| | - Yongqi Hu
- State Key Laboratory of Biocontrol, Guangdong Province Key Laboratory for Aquatic Economic Animals, Guangdong Provincial Engineering Technology Research Center for Healthy Breeding of Important Economic Fish, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, China.
| | - Zongzhen Liao
- State Key Laboratory of Biocontrol, Guangdong Province Key Laboratory for Aquatic Economic Animals, Guangdong Provincial Engineering Technology Research Center for Healthy Breeding of Important Economic Fish, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, China.
| | - Wensheng Li
- State Key Laboratory of Biocontrol, Guangdong Province Key Laboratory for Aquatic Economic Animals, Guangdong Provincial Engineering Technology Research Center for Healthy Breeding of Important Economic Fish, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, China.
| |
Collapse
|
5
|
Carney AE, Clarke C, Pratt WE. Administration of neuropeptide Y into the rat nucleus accumbens shell, but not core, attenuates the motivational impairment from systemic dopamine receptor antagonism by α-flupenthixol. Neurosci Lett 2023; 797:137069. [PMID: 36641044 DOI: 10.1016/j.neulet.2023.137069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 01/09/2023] [Accepted: 01/10/2023] [Indexed: 01/13/2023]
Abstract
Previous research has demonstrated that dopamine and Neuropeptide Y (NPY) promote motivated behavior, and there is evidence to suggest that they interact within neural circuitry involved in motivation. NPY and dopamine both modulate appetitive motivation towards food through direct actions in the nucleus accumbens (NAc), although how they interact in this region to promote motivation is presently unclear. In this study, we sought to further elucidate the relationship between NAc NPY and dopamine and their effects on motivated behavior. Specifically, we examined whether NAc injections of NPY might reverse behavioral deficits caused by reduced dopamine signaling due to systemic dopamine receptor antagonism. Appetitive motivation was measured using a progressive ratio-2 paradigm. Male Sprague Dawley rats were treated with systemic injections of the dopamine antagonist, α-flupenthixol or a saline vehicle. Two hours following injections, they were administered infusions of NPY (at 0, 156, or 235 pmol) into either the NAc shell (n = 12) or the NAc core (n = 10) and were placed in operant chambers. In both groups, α-flupenthixol impaired performance on the PR-2 task. NPY receptor stimulation of the NAc shell significantly increased both breakpoint and active lever presses during the PR-2 task, and dose-dependently increased responding following systemic dopamine receptor blockade. NPY did not affect appetitive motivation when injected into the NAc core. These data demonstrate that NPY in the NAc shell can improve motivational impairments that result from dopamine antagonism, and that these effects are site specific. These results also suggest that upregulation of NPY in neurodegenerative diseases may possibly buffer early motivational deficits caused by dopamine depletion in Parkinson's and Huntington's disease patients, both of which show increased NPY expression after disease onset.
Collapse
|
6
|
Uludağ İ, Sezgintürk MK. Ultrasensitive and Cost-Effective Detection of Neuropeptide-Y by a Disposable Immunosensor: A New Functionalization Route for Indium-Tin Oxide Surface. BIOSENSORS 2022; 12:925. [PMID: 36354435 PMCID: PMC9688368 DOI: 10.3390/bios12110925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 10/22/2022] [Accepted: 10/24/2022] [Indexed: 06/16/2023]
Abstract
Neuropeptide Y (NPY) is one of the most abundant neuropeptides in the human brain, and its levels in the blood change in neurodegenerative and neuroimmune disorders. This indicates that NPY may serve as a diagnostic and monitoring marker for associated disorders. In this paper, an electrochemical immunosensor was created to detect NPY biomarkers using a novel immobilization technique. The proposed biosensor system enables accurate, specific, cost-effective, and practical biomarker analysis. Indium tin oxide-coated polyethylene terephthalate (ITO-PET) sheets were treated with hexamethylene diisocyanate (HMDC) to covalently immobilize antibodies. Electrochemical impedance spectroscopy (EIS) and cyclic voltammetry (CV) techniques were used to analyze each step of the biosensors. The proposed NPY biosensor has a broad linear detection range (0.01-100 pg mL-1), a low limit of detection (LOD) (0.02968 pg mL-1), and a low limit of quantification (LOQ) (0.0989 pg mL-1). Atomic force microscopy (AFM) was used to support in the optimization process, study the surface morphology, and visualize it. Studies of repeatability, reproducibility, storage, and Kramers-Kronig transformation were conducted during electrochemical characterization. After analytical experiments, the biosensor's responses to human serum samples were evaluated. According to the obtained data, the error margin is small, and the created biosensor offers a great deal of promise for the clinical measurement of NPY.
Collapse
|
7
|
Liu SQ, Li B, Li JJ, Sun S, Sun SR, Wu Q. Neuroendocrine regulations in tissue-specific immunity: From mechanism to applications in tumor. Front Cell Dev Biol 2022; 10:896147. [PMID: 36072337 PMCID: PMC9442449 DOI: 10.3389/fcell.2022.896147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Accepted: 07/27/2022] [Indexed: 11/26/2022] Open
Abstract
Immune responses in nonlymphoid tissues play a vital role in the maintenance of homeostasis. Lots of evidence supports that tissue-specific immune cells provide defense against tumor through the localization in different tissue throughout the body, and can be regulated by diverse factors. Accordingly, the distribution of nervous tissue is also tissue-specific which is essential in the growth of corresponding organs, and the occurrence and development of tumor. Although there have been many mature perspectives on the neuroendocrine regulation in tumor microenvironment, the neuroendocrine regulation of tissue-specific immune cells has not yet been summarized. In this review, we focus on how tissue immune responses are influenced by autonomic nervous system, sensory nerves, and various neuroendocrine factors and reversely how tissue-specific immune cells communicate with neuroendocrine system through releasing different factors. Furthermore, we pay attention to the potential mechanisms of neuroendocrine-tissue specific immunity axis involved in tumors. This may provide new insights for the immunotherapy of tumors in the future.
Collapse
Affiliation(s)
- Si-Qing Liu
- Department of Breast and Thyroid Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Bei Li
- Department of Pathology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Juan-Juan Li
- Department of Breast and Thyroid Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Si Sun
- Department of Clinical Laboratory, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Sheng-Rong Sun
- Department of Breast and Thyroid Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
- *Correspondence: Sheng-Rong Sun, ; Qi Wu,
| | - Qi Wu
- Tongji University Cancer Center, Shanghai Tenth People’s Hospital of Tongji University, School of Medicine, Tongji University, Shanghai, China
- *Correspondence: Sheng-Rong Sun, ; Qi Wu,
| |
Collapse
|
8
|
Pain S, Brot S, Gaillard A. Neuroprotective Effects of Neuropeptide Y against Neurodegenerative Disease. Curr Neuropharmacol 2022; 20:1717-1725. [PMID: 34488599 PMCID: PMC9881060 DOI: 10.2174/1570159x19666210906120302] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 07/31/2021] [Accepted: 08/31/2021] [Indexed: 11/22/2022] Open
Abstract
Neuropeptide Y (NPY), a 36 amino acid peptide, is widely expressed in the mammalian brain. Changes in NPY levels in different brain regions and plasma have been described in several neurodegenerative diseases, including Alzheimer's disease, Parkinson's disease, Huntington's disease, Amyotrophic Lateral Sclerosis, and Machado-Joseph disease. The changes in NPY levels may reflect the attempt to set up an endogenous neuroprotective mechanism to counteract the degenerative process. Accumulating evidence indicates that NPY can function as an anti-apoptotic, anti-inflammatory, and pro-phagocytic agent, which may be used effectively to halt or to slow down the progression of the disease. In this review, we will focus on the neuroprotective roles of NPY in several neuropathological conditions, with a particular focus on the anti-inflammatory properties of NPY.
Collapse
Affiliation(s)
- Stéphanie Pain
- Laboratoire de Neurosciences Expérimentales et Cliniques-LNEC INSERM U-1084, Université de Poitiers, LNEC,
F-86000 Poitiers, France; ,CHU Poitiers, Poitiers, F-86021, France
| | - Sébastien Brot
- Laboratoire de Neurosciences Expérimentales et Cliniques-LNEC INSERM U-1084, Université de Poitiers, LNEC,
F-86000 Poitiers, France;
| | - Afsaneh Gaillard
- Laboratoire de Neurosciences Expérimentales et Cliniques-LNEC INSERM U-1084, Université de Poitiers, LNEC,
F-86000 Poitiers, France; ,Address correspondence to this author at the Laboratoire de Neurosciences Expérimentales et Cliniques-LNEC INSERM U-1084, Université de Poitiers, LNEC, F-86000 Poitiers, France; E-mail:
| |
Collapse
|
9
|
Zhang X, Tu D, Li S, Li N, Li D, Gao Y, Tian L, Liu J, Zhang X, Hong JS, Hou L, Zhao J, Wang Q. A novel synthetic peptide SVHRSP attenuates dopaminergic neurodegeneration by inhibiting NADPH oxidase-mediated neuroinflammation in experimental models of Parkinson's disease. Free Radic Biol Med 2022; 188:363-374. [PMID: 35760232 DOI: 10.1016/j.freeradbiomed.2022.06.241] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Revised: 06/17/2022] [Accepted: 06/22/2022] [Indexed: 01/21/2023]
Abstract
Current treatment of Parkinson's disease (PD) ameliorates symptoms but fails to block disease progression. This study was conducted to explore the protective effects of SVHRSP, a synthetic heat-resistant peptide derived from scorpion venom, against dopaminergic neurodegeneration in experimental models of PD. Results showed that SVHRSP dose-dependently reduced the loss of dopaminergic neuron in the nigrostriatal pathway and motor impairments in both rotenone and 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine/probenecid (MPTP/p)-induced mouse PD models. Microglial activation and imbalance of M1/M2 polarization were also abrogated by SVHRSP in both models. In rotenone-treated primary midbrain neuron-glial cultures, loss of dopaminergic neuron and microglial activation were mitigated by SVHRSP. Furthermore, lipopolysaccharide (LPS)-elicited microglial activation, M1 polarization and related dopaminergic neurodegeneration in primary cultures were also abrogated by SVHRSP, suggesting that inhibition of microglial activation contributed to SVHRSP-afforded neuroprotection. Mechanistic studies revealed that SVHRSP blocked both LPS- and rotenone-induced microglial NADPH oxidase (NOX2) activation by preventing membrane translocation of cytosolic subunit p47phox. NOX2 knockdown by siRNA markedly attenuated the inhibitory effects of SVHRSP against LPS- and rotenone-induced gene expressions of proinflammatory factors and related neurotoxicity. Altogether, SVHRSP protects dopaminergic neurons by blocking NOX2-mediated microglial activation in experimental PD models, providing experimental basis for the screening of clinical therapeutic drugs for PD.
Collapse
Affiliation(s)
- Xiaomeng Zhang
- National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, Dalian, 116044, China; State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, PR China
| | - Dezhen Tu
- Laboratory of Neurobiology, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC, USA
| | - Sheng Li
- National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, Dalian, 116044, China
| | - Na Li
- National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, Dalian, 116044, China
| | - Donglai Li
- National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, Dalian, 116044, China
| | - Yun Gao
- Laboratory of Neurobiology, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC, USA
| | - Lu Tian
- National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, Dalian, 116044, China
| | - Jianing Liu
- National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, Dalian, 116044, China
| | - Xuan Zhang
- National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, Dalian, 116044, China
| | - Jau-Shyong Hong
- Laboratory of Neurobiology, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC, USA
| | - Liyan Hou
- National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, Dalian, 116044, China
| | - Jie Zhao
- National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, Dalian, 116044, China.
| | - Qingshan Wang
- National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, Dalian, 116044, China; State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, PR China.
| |
Collapse
|
10
|
Development of Neuropeptide Y and Cell-Penetrating Peptide MAP Adsorbed onto Lipid Nanoparticle Surface. Molecules 2022; 27:molecules27092734. [PMID: 35566093 PMCID: PMC9101637 DOI: 10.3390/molecules27092734] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 04/20/2022] [Accepted: 04/22/2022] [Indexed: 12/12/2022] Open
Abstract
Functionalization of nanoparticles surfaces have been widely used to improve diagnostic and therapeutic biological outcome. Several methods can be applied to modify nanoparticle surface; however, in this article we focus toward a simple and less time-consuming method. We applied an adsorption method on already formulated nanostructured lipid carriers (NLC) to functionalize these nanoparticles with three distinct peptides sequences. We selected a cell-penetrating peptide (CPP), a lysine modified model amphipathic peptide (Lys(N3)-MAP), CPP/drug complex, and the neuropeptide Y. The aim of this work is to evaluate the effect of several parameters such as peptide concentration, different types of NLC, different types of peptides, and incubation medium on the physicochemical proprieties of NLC and determine if adsorption occurs. The preliminary results from zeta potential analysis indicate some evidence that this method was successful in adsorbing three types of peptides onto NLC. Several non-covalent interactions appear to be involved in peptide adsorption with the possibility of three adsorption peptide hypothesis that may occur with NLC in solution. Moreover, and for the first time, in silico docking analysis demonstrated strong interaction between CPP MAP and NPY Y1 receptor with high score values when compared to standard antagonist and NPY.
Collapse
|
11
|
Behl T, Madaan P, Sehgal A, Singh S, Makeen HA, Albratty M, Alhazmi HA, Meraya AM, Bungau S. Demystifying the Neuroprotective Role of Neuropeptides in Parkinson's Disease: A Newfangled and Eloquent Therapeutic Perspective. Int J Mol Sci 2022; 23:ijms23094565. [PMID: 35562956 PMCID: PMC9099669 DOI: 10.3390/ijms23094565] [Citation(s) in RCA: 6] [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: 03/22/2022] [Revised: 04/17/2022] [Accepted: 04/18/2022] [Indexed: 02/07/2023] Open
Abstract
Parkinson's disease (PD) refers to one of the eminently grievous, preponderant, tortuous nerve-cell-devastating ailments that markedly impacts the dopaminergic (DArgic) nerve cells of the midbrain region, namely the substantia nigra pars compacta (SN-PC). Even though the exact etiopathology of the ailment is yet indefinite, the existing corroborations have suggested that aging, genetic predisposition, and environmental toxins tremendously influence the PD advancement. Additionally, pathophysiological mechanisms entailed in PD advancement encompass the clumping of α-synuclein inside the lewy bodies (LBs) and lewy neurites, oxidative stress, apoptosis, neuronal-inflammation, and abnormalities in the operation of mitochondria, autophagy lysosomal pathway (ALP), and ubiquitin-proteasome system (UPS). The ongoing therapeutic approaches can merely mitigate the PD-associated manifestations, but until now, no therapeutic candidate has been depicted to fully arrest the disease advancement. Neuropeptides (NPs) are little, protein-comprehending additional messenger substances that are typically produced and liberated by nerve cells within the entire nervous system. Numerous NPs, for instance, substance P (SP), ghrelin, neuropeptide Y (NPY), neurotensin, pituitary adenylate cyclase-activating polypeptide (PACAP), nesfatin-1, and somatostatin, have been displayed to exhibit consequential neuroprotection in both in vivo and in vitro PD models via suppressing apoptosis, cytotoxicity, oxidative stress, inflammation, autophagy, neuronal toxicity, microglia stimulation, attenuating disease-associated manifestations, and stimulating chondriosomal bioenergetics. The current scrutiny is an effort to illuminate the neuroprotective action of NPs in various PD-experiencing models. The authors carried out a methodical inspection of the published work procured through reputable online portals like PubMed, MEDLINE, EMBASE, and Frontier, by employing specific keywords in the subject of our article. Additionally, the manuscript concentrates on representing the pathways concerned in bringing neuroprotective action of NPs in PD. In sum, NPs exert substantial neuroprotection through regulating paramount pathways indulged in PD advancement, and consequently, might be a newfangled and eloquent perspective in PD therapy.
Collapse
Affiliation(s)
- Tapan Behl
- Chitkara College of Pharmacy, Chitkara University, Rajpura 140401, India; (P.M.); (A.S.); (S.S.)
- Correspondence: (T.B.); (S.B.)
| | - Piyush Madaan
- Chitkara College of Pharmacy, Chitkara University, Rajpura 140401, India; (P.M.); (A.S.); (S.S.)
| | - Aayush Sehgal
- Chitkara College of Pharmacy, Chitkara University, Rajpura 140401, India; (P.M.); (A.S.); (S.S.)
| | - Sukhbir Singh
- Chitkara College of Pharmacy, Chitkara University, Rajpura 140401, India; (P.M.); (A.S.); (S.S.)
| | - Hafiz A. Makeen
- Pharmacy Practice Research Unit, Department of Clinical Pharmacy, College of Pharmacy, Jazan University, Jazan 45142, Saudi Arabia; (H.A.M.); (A.M.M.)
| | - Mohammed Albratty
- Department of Pharmaceutical Chemistry, College of Pharmacy, Jazan University, Jazan 45142, Saudi Arabia; (M.A.); (H.A.A.)
| | - Hassan A. Alhazmi
- Department of Pharmaceutical Chemistry, College of Pharmacy, Jazan University, Jazan 45142, Saudi Arabia; (M.A.); (H.A.A.)
- Substance Abuse and Toxicology Research Center, Jazan University, Jazan 45142, Saudi Arabia
| | - Abdulkarim M. Meraya
- Pharmacy Practice Research Unit, Department of Clinical Pharmacy, College of Pharmacy, Jazan University, Jazan 45142, Saudi Arabia; (H.A.M.); (A.M.M.)
| | - Simona Bungau
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, 410028 Oradea, Romania
- Doctoral School of Biomedical Sciences, University of Oradea, 410028 Oradea, Romania
- Correspondence: (T.B.); (S.B.)
| |
Collapse
|
12
|
Potentials of Neuropeptides as Therapeutic Agents for Neurological Diseases. Biomedicines 2022; 10:biomedicines10020343. [PMID: 35203552 PMCID: PMC8961788 DOI: 10.3390/biomedicines10020343] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 01/23/2022] [Accepted: 01/24/2022] [Indexed: 02/04/2023] Open
Abstract
Despite recent leaps in modern medicine, progress in the treatment of neurological diseases remains slow. The near impermeable blood-brain barrier (BBB) that prevents the entry of therapeutics into the brain, and the complexity of neurological processes, limits the specificity of potential therapeutics. Moreover, a lack of etiological understanding and the irreversible nature of neurological conditions have resulted in low tolerability and high failure rates towards existing small molecule-based treatments. Neuropeptides, which are small proteinaceous molecules produced by the body, either in the nervous system or the peripheral organs, modulate neurological function. Although peptide-based therapeutics originated from the treatment of metabolic diseases in the 1920s, the adoption and development of peptide drugs for neurological conditions are relatively recent. In this review, we examine the natural roles of neuropeptides in the modulation of neurological function and the development of neurological disorders. Furthermore, we highlight the potential of these proteinaceous molecules in filling gaps in current therapeutics.
Collapse
|
13
|
Yu X, Li W. Comparative insights into the integration mechanism of neuropeptides to starvation and temperature stress. Gen Comp Endocrinol 2022; 316:113945. [PMID: 34826429 DOI: 10.1016/j.ygcen.2021.113945] [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: 03/25/2021] [Revised: 08/08/2021] [Accepted: 11/18/2021] [Indexed: 11/29/2022]
Abstract
Stress is known as the process of biological responses evoked by internal or external stimuli. The ability to sense, integrate and respond to stress signals is a requisite for life. Temperature and photoperiod are very important environmental factors for animals. In addition, stress signals can also be inputted from peripheral tissue, such as starvation and inflammation. Through afferent pathways, stress signals input to the central nervous system (CNS), where various signals will integrate, and the integrated information will transmit to the peripheral effectors. As the regulators of neural activity, neuropeptides play important roles in these processes. The present review summarizes recent findings about the integration mechanism of stress signals in the CNS, emphasizing on the role of neuropeptides.
Collapse
Affiliation(s)
- Xiaozheng Yu
- State Key Laboratory of Biocontrol, Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Provincial Engineering Technology Research Center for Healthy Breeding of Important Economic Fish, School of Life Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Wensheng Li
- State Key Laboratory of Biocontrol, Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Provincial Engineering Technology Research Center for Healthy Breeding of Important Economic Fish, School of Life Sciences, Sun Yat-Sen University, Guangzhou, China.
| |
Collapse
|
14
|
Lashgari NA, Roudsari NM, Momtaz S, Sathyapalan T, Abdolghaffari AH, Sahebkar A. The involvement of JAK/STAT signaling pathway in the treatment of Parkinson's disease. J Neuroimmunol 2021; 361:577758. [PMID: 34739911 DOI: 10.1016/j.jneuroim.2021.577758] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2021] [Revised: 10/13/2021] [Accepted: 10/25/2021] [Indexed: 11/29/2022]
Abstract
Parkinson's disease (PD) is a neurodegenerative disorder in which inflammation and oxidative stress play key etiopathological role. The pathology of PD brain is characterized by inclusions of aggregated α-synuclein (α-SYN) in the cytoplasmic region of neurons. Clinical evidence suggests that stimulation of pro-inflammatory cytokines leads to neuroinflammation in the affected brain regions. Upon neuroinflammation, the Janus Kinase/Signal Transducers and Activators of Transcription (JAK/STAT) signaling pathway, and other transcription factors such as nuclear factor κB (NF-κB), NOD-, LRR- and pyrin domain-containing protein 3 (NLRP3), mammalian target of rapamycin (mTOR), and toll-like receptors (TLRs) are upregulated and induce the microglial activation, contributing to PD via dopaminergic neuron autophagy. Aberrant activation or phosphorylation of the components of JAK/STAT signaling pathway has been implicated in increased transcription of the inflammation-associated genes and many neurodegenerative disorders such as PD. Interferon gamma (IFN-γ), and interleukine (IL)-6 are two of the most potent activators of the JAK/STAT pathway, and it was shown to be elevated in PD. Stimulation of microglial cell with aggregated α-SYN results in production of nitric oxide (NO), tumor necrosis factor (TNF)-α, and IL-1β in PD. Dysregulation of the JAK/STAT in PD and its involvement in various inflammatory pathways make it a promising PD therapy approach. So far, a variety of synthetic or natural small-molecule JAK inhibitors (Jakinibs) have been found promising in managing a spectrum of ailments, many of which are in preclinical research or clinical trials. Herein, we provided a perspective on the function of the JAK/STAT signaling pathway in PD progression and gathered data that describe the rationale evidence on the potential application of Jakinibs to improve neuroinflammation in PD.
Collapse
Affiliation(s)
- Naser-Aldin Lashgari
- Faculty of Pharmacy, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | | | - Saeideh Momtaz
- Medicinal Plants Research Center, Institute of Medicinal Plants, ACECR, Tehran, Iran; Department of Toxicology and Pharmacology, School of Pharmacy, and Toxicology and Diseases Group, Pharmaceutical Sciences Research Center (PSRC), The Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran, Iran; Gastrointestinal Pharmacology Interest Group (GPIG), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Thozhukat Sathyapalan
- Academic Diabetes, Endocrinology and Metabolism, Hull York Medical School, University of Hull, Hull, United Kingdom
| | - Amir Hossein Abdolghaffari
- Faculty of Pharmacy, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran; Medicinal Plants Research Center, Institute of Medicinal Plants, ACECR, Tehran, Iran; Department of Toxicology and Pharmacology, School of Pharmacy, and Toxicology and Diseases Group, Pharmaceutical Sciences Research Center (PSRC), The Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran, Iran; Gastrointestinal Pharmacology Interest Group (GPIG), Universal Scientific Education and Research Network (USERN), Tehran, Iran.
| | - Amirhossein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; School of Medicine, The University of Western Australia, Perth, Australia; School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
| |
Collapse
|
15
|
Zhang X, Wang J, Gao JZ, Zhang XN, Dou KX, Shi WD, Xie AM. P2X4 receptor participates in autophagy regulation in Parkinson's disease. Neural Regen Res 2021; 16:2505-2511. [PMID: 33907041 PMCID: PMC8374561 DOI: 10.4103/1673-5374.313053] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 12/15/2020] [Accepted: 03/05/2021] [Indexed: 11/16/2022] Open
Abstract
Dysfunctional autophagy often occurs during the development of neurodegenerative diseases, such as Parkinson's disease, Huntington's disease, and Alzheimer's disease. The purinergic P2X4 receptor is an ATP-gated ion channel that is widely expressed in the microglia, astrocytes, and neurons of the central and peripheral nervous systems. P2X4R is involved in the regulation of cellular excitability, synaptic transmission, and neuroinflammation. However, the role played by P2X4R in Parkinson's disease remains poorly understood. Rat models of Parkinson's disease were established by injecting 6-hydroxydopamine into the substantia nigra pars compacta. P2X4R-targeted small interfering RNA (siRNA) was injected into the same area 1 week before injury induction to inhibit the expression of the P2X4 receptor. The results showed that the inhibition of P2X4 receptor expression in Parkinson's disease model rats reduced the rotation behavior induced by apomorphine treatment, increased the latency on the rotarod test, and upregulated the expression of tyrosine hydroxylase, brain-derived neurotrophic factor, LC3-II/LC3-I, Beclin-1, and phosphorylated tropomyosin receptor kinase B (TrkB) in brain tissue, while simultaneously reducing p62 levels. These findings suggest that P2X4 receptor activation might inhibit neuronal autophagy through the regulation of the brain-derived neurotrophic factor/TrkB signaling pathway, leading to dopaminergic neuron damage in the substantia nigra and the further inhibition of P2X4 receptor-mediated autophagy. These results indicate that P2X4 receptor might serve as a potential novel target for the treatment of Parkinson's disease. This study was approved by the Animal Ethics Committee of Affiliated Hospital of Qingdao University (approval No. QYFYWZLL26119) on April 12, 2016.
Collapse
Affiliation(s)
- Xue Zhang
- Department of Neurology, Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Jing Wang
- Department of Neurology, Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Jin-Zhao Gao
- Department of Neurology, Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Xiao-Na Zhang
- Department of Neurology, Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Kai-Xin Dou
- Department of Neurology, Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Wan-Da Shi
- Department of Neurology, Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - An-Mu Xie
- Department of Neurology, Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
- Neurological Regulation Institute of Qingdao University, Qingdao, Shandong Province, China
| |
Collapse
|
16
|
Sun W, Zhang Z, Feng X, Sui X, Miao Y. Serum Neuropeptide Y: A Potential Prognostic Marker of Intracerebral Hemorrhage. DISEASE MARKERS 2021; 2021:7957013. [PMID: 34422139 PMCID: PMC8371617 DOI: 10.1155/2021/7957013] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 07/19/2021] [Accepted: 07/27/2021] [Indexed: 01/06/2023]
Abstract
OBJECTIVE Neuropeptide Y (NPY), a 36-amino acid neuromodulator, is mainly secreted by neurons in the central and peripheral nervous systems, which participate in the regulation of a series of physiological processes. However, there are few studies on its correlation with intracranial hemorrhage (ICH). The purpose of this study is to determine whether the serum NPY level is related to the prognosis of ICH. METHODS 364 patients diagnosed with ICH were included in the current study. The demographics, anthropometrics, medical history, clinical severity, and laboratory data are collected. Enzyme-linked immunoassay (ELISA) was used to detect the serum NPY level of each patient upon admission. Three months after the occurrence of ICH, we used the modified Rankin scale (mRS) to evaluate the prognosis of patients, and mRS > 2 was defined as a poor prognosis. RESULTS A total of 364 patients with ICH were included in the study, including 140 patients with a good prognosis and 224 patients with a poor prognosis. Compared with patients with a poor prognosis, ICH patients with a good prognosis have a lower baseline National Institutes of Health Stroke Scale (NIHSS) score (p = 0.036) and smaller hematoma volume (p = 0.039). The results of ELISA showed that compared with patients with a poor prognosis, ICH patients with a good prognosis had lower serum NPY levels (19.4 ± 3.7 vs. 27.6 ± 3.3 ng/ml, p < 0.001). Linear correlation analysis showed that the serum NPY level of ICH patients was significantly positively correlated with the baseline NIHSS score (r = 0.413, p = 0.041) and hematoma volume (r = 0.308, p = 0.026). Receiver operating characteristic (ROC) curve analysis showed that the sensitivity of the serum NPY level to predict the prognosis of ICH was 70.9%, the specificity was 72.6%, and the cut-off value was 24.2 ng/ml. CONCLUSIONS The serum NPY level may be used as a predictor of ICH prognosis.
Collapse
Affiliation(s)
- Weiming Sun
- Department of Breast Surgery, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, 121000 Liaoning Province, China
| | - Zhenxing Zhang
- Department of Neurosurgery, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, 121000 Liaoning Province, China
| | - Xu Feng
- Department of Neurosurgery, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, 121000 Liaoning Province, China
| | - Xin Sui
- Department of Neurosurgery, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, 121000 Liaoning Province, China
| | - Ye Miao
- Department of Neurosurgery, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, 121000 Liaoning Province, China
| |
Collapse
|
17
|
Zhang Y, Liu CY, Chen WC, Shi YC, Wang CM, Lin S, He HF. Regulation of neuropeptide Y in body microenvironments and its potential application in therapies: a review. Cell Biosci 2021; 11:151. [PMID: 34344469 PMCID: PMC8330085 DOI: 10.1186/s13578-021-00657-7] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Accepted: 07/12/2021] [Indexed: 12/26/2022] Open
Abstract
Neuropeptide Y (NPY), one of the most abundant neuropeptides in the body, is widely expressed in the central and peripheral nervous systems and acts on the cardiovascular, digestive, endocrine, and nervous systems. NPY affects the nutritional and inflammatory microenvironments through its interaction with immune cells, brain-derived trophic factor (BDNF), and angiogenesis promotion to maintain body homeostasis. Additionally, NPY has great potential for therapeutic applications against various diseases, especially as an adjuvant therapy for stem cells. In this review, we discuss the research progress regarding NPY, as well as the current evidence for the regulation of NPY in each microenvironment, and provide prospects for further research on related diseases.
Collapse
Affiliation(s)
- Yan Zhang
- Department of Anesthesiology, The Second Affiliated Hospital of Fujian Medical University, No. 34 North Zhongshan Road, Quanzhou, 362000, Fujian, China
| | - Chu-Yun Liu
- Department of Anesthesiology, The Second Affiliated Hospital of Fujian Medical University, No. 34 North Zhongshan Road, Quanzhou, 362000, Fujian, China
| | - Wei-Can Chen
- Department of Anesthesiology, The Second Affiliated Hospital of Fujian Medical University, No. 34 North Zhongshan Road, Quanzhou, 362000, Fujian, China
| | - Yan-Chuan Shi
- Diabetes and Metabolism Division, Garvan Institute of Medical Research, 384 Victoria Street, Darlinghurst, Sydney, NSW, 2010, Australia
| | - Cong-Mei Wang
- Department of Anesthesiology, The Second Affiliated Hospital of Fujian Medical University, No. 34 North Zhongshan Road, Quanzhou, 362000, Fujian, China
| | - Shu Lin
- Department of Anesthesiology, The Second Affiliated Hospital of Fujian Medical University, No. 34 North Zhongshan Road, Quanzhou, 362000, Fujian, China. .,Diabetes and Metabolism Division, Garvan Institute of Medical Research, 384 Victoria Street, Darlinghurst, Sydney, NSW, 2010, Australia. .,Centre of Neurological and Metabolic Research, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian, China.
| | - He-Fan He
- Department of Anesthesiology, The Second Affiliated Hospital of Fujian Medical University, No. 34 North Zhongshan Road, Quanzhou, 362000, Fujian, China.
| |
Collapse
|
18
|
Whole Blood Transcriptome Characterization of 3xTg-AD Mouse and Its Modulation by Transcranial Direct Current Stimulation (tDCS). Int J Mol Sci 2021; 22:ijms22147629. [PMID: 34299250 PMCID: PMC8306644 DOI: 10.3390/ijms22147629] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 07/13/2021] [Accepted: 07/15/2021] [Indexed: 12/05/2022] Open
Abstract
The 3xTg-AD mouse is a widely used model in the study of Alzheimer’s Disease (AD). It has been extensively characterized from both the anatomical and behavioral point of view, but poorly studied at the transcriptomic level. For the first time, we characterize the whole blood transcriptome of the 3xTg-AD mouse at three and six months of age and evaluate how its gene expression is modulated by transcranial direct current stimulation (tDCS). RNA-seq analysis revealed 183 differentially expressed genes (DEGs) that represent a direct signature of the genetic background of the mouse. Moreover, in the 6-month-old 3xTg-AD mice, we observed a high number of DEGs that could represent good peripheral biomarkers of AD symptomatology onset. Finally, tDCS was associated with gene expression changes in the 3xTg-AD, but not in the control mice. In conclusion, this study provides an in-depth molecular characterization of the 3xTg-AD mouse and suggests that blood gene expression can be used to identify new biomarkers of AD progression and treatment effects.
Collapse
|
19
|
Binda KH, Lillethorup TP, Real CC, Bærentzen SL, Nielsen MN, Orlowski D, Brooks DJ, Chacur M, Landau AM. Exercise protects synaptic density in a rat model of Parkinson's disease. Exp Neurol 2021; 342:113741. [PMID: 33965411 DOI: 10.1016/j.expneurol.2021.113741] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Accepted: 05/04/2021] [Indexed: 01/09/2023]
Abstract
BACKGROUND Parkinson's disease (PD) is characterized by Lewy body and neurite pathology associated with dopamine terminal dysfunction. Clinically, it is associated with motor slowing, rigidity, and tremor. Postural instability and pain are also features. Physical exercise benefits PD patients - possibly by promoting neuroplasticity including synaptic regeneration. OBJECTIVES In a parkinsonian rat model, we test the hypotheses that exercise: (a) increases synaptic density and reduces neuroinflammation and (b) lowers the nociceptive threshold by increasing μ-opioid receptor expression. METHODS Brain autoradiography was performed on rats unilaterally injected with either 6-hydroxydopamine (6-OHDA) or saline and subjected to treadmill exercise over 5 weeks. [3H]UCB-J was used to measure synaptic vesicle glycoprotein 2A (SV2A) density. Dopamine D2/3 receptor and μ-opioid receptor availability were assessed with [3H]Raclopride and [3H]DAMGO, respectively, while neuroinflammation was detected with the 18kDA translocator protein (TSPO) marker [3H]PK11195. The nociceptive threshold was determined prior to and throughout the exercise protocol. RESULTS We confirmed a dopaminegic deficit with increased striatal [3H]Raclopride D2/3 receptor availability and reduced nigral tyrosine hydroxylase immunoreactivity in the ipsilateral hemisphere of all 6-OHDA-injected rats. Sedentary rats lesioned with 6-OHDA showed significant reduction of ipsilateral striatal and substantia nigra [3H]UCB-J binding while [3H]PK11195 showed increased ipsilateral striatal neuroinflammation. Lesioned rats who exercised had higher levels of ipsilateral striatal [3H]UCB-J binding and lower levels of neuroinflammation compared to sedentary lesioned rats. Striatal 6-OHDA injections reduced thalamic μ-opioid receptor availability but subsequent exercise restored binding. Exercise also raised thalamic and hippocampal SV2A synaptic density in 6-OHDA lesioned rats, accompanied by a rise in nociceptive threshold. CONCLUSION These data suggest that treadmill exercise protects nigral and striatal synaptic integrity in a rat lesion model of PD - possibly by promoting compensatory mechanisms. Exercise was also associated with reduced neuroinflammation post lesioning and altered opioid transmission resulting in an increased nociceptive threshold.
Collapse
Affiliation(s)
- K H Binda
- Translational Neuropsychiatry Unit, Aarhus University, Universitetsbyen 13, Building 2b, Aarhus C 8000, Denmark; Department of Nuclear Medicine and PET, Aarhus University and Hospital, Palle Juul-Jensens Boulevard 165, J109, Aarhus N 8200, Denmark; Laboratory of Functional Neuroanatomy of Pain, Departamento de Anatomia, Universidade de Sao Paulo, Sao Paulo, SP, Brazil.
| | - T P Lillethorup
- Department of Nuclear Medicine and PET, Aarhus University and Hospital, Palle Juul-Jensens Boulevard 165, J109, Aarhus N 8200, Denmark.
| | - C C Real
- Translational Neuropsychiatry Unit, Aarhus University, Universitetsbyen 13, Building 2b, Aarhus C 8000, Denmark; Department of Nuclear Medicine and PET, Aarhus University and Hospital, Palle Juul-Jensens Boulevard 165, J109, Aarhus N 8200, Denmark; Laboratory of Nuclear Medicine (LIM 43), Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, SP, Brazil.
| | - S L Bærentzen
- Translational Neuropsychiatry Unit, Aarhus University, Universitetsbyen 13, Building 2b, Aarhus C 8000, Denmark; Department of Nuclear Medicine and PET, Aarhus University and Hospital, Palle Juul-Jensens Boulevard 165, J109, Aarhus N 8200, Denmark.
| | - M N Nielsen
- Translational Neuropsychiatry Unit, Aarhus University, Universitetsbyen 13, Building 2b, Aarhus C 8000, Denmark.
| | - D Orlowski
- Center for Experimental Neuroscience (CENSE), Department of Clinical Medicine, Aarhus University and Department of Neurosurgery, Aarhus University Hospital, Aarhus N, 8200, Denmark.
| | - D J Brooks
- Department of Nuclear Medicine and PET, Aarhus University and Hospital, Palle Juul-Jensens Boulevard 165, J109, Aarhus N 8200, Denmark; Institute for Translational and Clinical Research, Newcastle University, Newcastle upon Tyne NE4 5PL, UK.
| | - M Chacur
- Laboratory of Functional Neuroanatomy of Pain, Departamento de Anatomia, Universidade de Sao Paulo, Sao Paulo, SP, Brazil.
| | - A M Landau
- Translational Neuropsychiatry Unit, Aarhus University, Universitetsbyen 13, Building 2b, Aarhus C 8000, Denmark; Department of Nuclear Medicine and PET, Aarhus University and Hospital, Palle Juul-Jensens Boulevard 165, J109, Aarhus N 8200, Denmark.
| |
Collapse
|
20
|
Zheng Y, Zhang L, Xie J, Shi L. The Emerging Role of Neuropeptides in Parkinson's Disease. Front Aging Neurosci 2021; 13:646726. [PMID: 33762925 PMCID: PMC7982480 DOI: 10.3389/fnagi.2021.646726] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Accepted: 02/10/2021] [Indexed: 12/11/2022] Open
Abstract
Parkinson’s disease (PD), the second most common age-related neurodegenerative disease, results from the loss of dopamine neurons in the substantia nigra. This disease is characterized by cardinal non-motor and motor symptoms. Several studies have demonstrated that neuropeptides, such as ghrelin, neuropeptide Y, pituitary adenylate cyclase-activating polypeptide, substance P, and neurotensin, are related to the onset of PD. This review mainly describes the changes in these neuropeptides and their receptors in the substantia nigra-striatum system as well as the other PD-related brain regions. Based on several in vitro and in vivo studies, most neuropeptides play a significant neuroprotective role in PD by preventing caspase-3 activation, decreasing mitochondrial-related oxidative stress, increasing mitochondrial biogenesis, inhibiting microglial activation, and anti-autophagic activity. Thus, neuropeptides may provide a new strategy for PD therapy.
Collapse
Affiliation(s)
- Yanan Zheng
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders, School of Basic Medicine, Qingdao University, Qingdao, China
| | - Linlin Zhang
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders, School of Basic Medicine, Qingdao University, Qingdao, China
| | - Junxia Xie
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders, School of Basic Medicine, Qingdao University, Qingdao, China.,Institute of Brain Science and Disease, Qingdao University, Qingdao, China
| | - Limin Shi
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders, School of Basic Medicine, Qingdao University, Qingdao, China.,Institute of Brain Science and Disease, Qingdao University, Qingdao, China
| |
Collapse
|
21
|
Zhang Y, Shao W, Wu J, Huang S, Yang H, Luo Z, Zheng F, Wang YL, Cai P, Guo Z, Wu S, Li H. Inflammatory lncRNA AK039862 regulates paraquat-inhibited proliferation and migration of microglial and neuronal cells through the Pafah1b1/Foxa1 pathway in co-culture environments. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 208:111424. [PMID: 33120262 DOI: 10.1016/j.ecoenv.2020.111424] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 09/07/2020] [Accepted: 09/25/2020] [Indexed: 06/11/2023]
Abstract
Emerging evidences having suggested that particular lncRNAs have a potential effect on PD progression through provoking damage and inflammatory responses of microglia/ dopaminergic cells. In addition, paraquat can be accumulated in human body through various approaches and have an increased risk for Parkinson's disease. However, the specific role and mechanism of lncRNA related to neurotoxic in the progression of PD is unclear. In our study, a mouse PD model was established induced by the intraperitoneal injection of paraquat (5 mg/kg and 10 mg/kg) every three days (10 times). We determined differential expression of lncRNA AK039862 and its potential targeted genes Pafah1b1/Foxa1 in PD mouse model, then we used fluorescence in situ hybridization (FISH) to visualize the cellular distribution of AK039862. Short interfering RNAs (siRNAs) and overexpression plasmids were designed for knockdown or overexpression of AK039862. To simulate the coexisting dopaminergic cells and microglia cells in vitro, we applied several non-contact co-culture models, including conditioned medium and Transwell co-culture systems. Cytotoxicity of PQ was evaluated using bv2 cells with the concentrations: 30, 60 μM, and mn9d cells with the concentrations: 50, 100 μM. As a result, we depicted multiple interesting individual and interactive features of inflammatory lncRNA AK039862 involved in PQ-induced cellular functional effects. First, we detected that AK039862 contributed to the neuronal injury process in PQ-treated mice and co-localization of AK039862 with dopaminergic cells in vivo. And interestingly, we demonstrated that PQ significantly inhibited microglia and dopaminergic cells proliferation and microglia migration in vitro. Further research indicated that the PQ-induced low expression of AK039862 rescued microglia proliferation and migration inhibition via the AK039862/Pafah1b1/Foxa1 pathway. Meanwhile, AK039862 also participated in the interaction between microglia and dopaminergic cells with PQ treatment in non-contact co-culture models. In summary, we found that PQ inhibited the proliferation and migration of microglial cells, and elucidated AK039862 played a key role in PQ-induced neuroinflammatory damage through Pafah1b1/Foxa1. Finally, inflammatory AK039862 is involved in the complex communication between microglia and dopaminergic cells in the environment of PQ damage.
Collapse
Affiliation(s)
- Yinyin Zhang
- Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou 350122, China; The Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou 350122, China; Department of Nutrition and Food Hygiene, Faculty of Naval Medicine, The Second Military Medical University, Shanghai 200433, China.
| | - Wenya Shao
- Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou 350122, China; The Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou 350122, China; Fujian Provincial Key Laboratory of Environmental Factors and Cancer, School of Public Health, Fujian Medical University, Fuzhou 350122, China.
| | - Jingwen Wu
- Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou 350122, China; The Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou 350122, China.
| | - Shouxiong Huang
- Department of Environmental Health, College of Medicine, University of Cincinnati, Ohio 45267, United States.
| | - Hongyu Yang
- Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou 350122, China; The Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou 350122, China.
| | - Zhousong Luo
- Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou 350122, China; The Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou 350122, China.
| | - Fuli Zheng
- Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou 350122, China; The Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou 350122, China; Fujian Provincial Key Laboratory of Environmental Factors and Cancer, School of Public Health, Fujian Medical University, Fuzhou 350122, China.
| | - Yuan-Liang Wang
- Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou 350122, China; The Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou 350122, China; Department of Health Inspection and Quarantine, School of Public Health, Fujian Medical University, Fuzhou 350122, China.
| | - Ping Cai
- The Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou 350122, China; Fujian Provincial Key Laboratory of Environmental Factors and Cancer, School of Public Health, Fujian Medical University, Fuzhou 350122, China; Department of Health Inspection and Quarantine, School of Public Health, Fujian Medical University, Fuzhou 350122, China.
| | - Zhenkun Guo
- The Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou 350122, China; Department of Health Inspection and Quarantine, School of Public Health, Fujian Medical University, Fuzhou 350122, China.
| | - Siying Wu
- The Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou 350122, China; Department of Health Inspection and Quarantine, School of Public Health, Fujian Medical University, Fuzhou 350122, China; Department of Epidemiology and Health Statistics, School of Public Health, Fujian Medical University, Fuzhou 350122, China.
| | - Huangyuan Li
- Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou 350122, China; The Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou 350122, China; Fujian Provincial Key Laboratory of Environmental Factors and Cancer, School of Public Health, Fujian Medical University, Fuzhou 350122, China.
| |
Collapse
|
22
|
Yu J, Min D, Bai Y, Qu L, Zou T, Wang S. Electroacupuncture alleviates Parkinson disease and regulates the expression of brain-gut peptides. Exp Anim 2020; 69:448-460. [PMID: 32669479 PMCID: PMC7677085 DOI: 10.1538/expanim.19-0153] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Accepted: 06/15/2020] [Indexed: 12/25/2022] Open
Abstract
The non-motor symptoms (NMS) of Parkinson's disease (PD) are found in more than 90% of patients with PD. Here, we explored the effects of electroacupuncture (EA) stimulation at Zhong wan (CV-12), Qihai (RN-7), Zusanli (ST-36) and Taichong (LR-3) on NMS and brain-gut peptides of PD. We found that EA intervention alleviated the motor deficit induced by 6-OHDA in rats indicated by the decreased abnormal involuntary movements (AIMs) scores and the net number of rotations and increased cylinder test grade. It also improved the spatial memory and attenuated anxiety-like and depression of PD model rats. EA treatment significantly inhibited neuronal apoptosis in PD model animals, as demonstrated by the increased number of TH positive cells and reduced number of apoptotic cells in the substantia nigra. The expression of cleaved caspase-3 and cleaved PARP in PD model rats was markedly suppressed by EA stimulation. Moreover, EA remarkably inhibited the inflammatory response in PD model rats, as revealed by the decreased levels of TNF-α, IL-1β, and COX-2 mRNA expression. It also attenuated the oxidative stress in rats, as indicated by the increased levels of SOD and GSH and the decreased level of MDA. EA treatment contributed to alleviating PD by regulating brain-gut peptides in rats, such as NPY, CCK, SST, GAS, and PYY. In conclusion, EA stimulation at CV-12, RN-7, ST-36, and LR-3 effectively alleviates the NMS of PD partly through regulating the levels of brain-gut peptides.
Collapse
Affiliation(s)
- Jianjun Yu
- Department of Massage, Heilongjiang Academy of Chinese Medical Sciences, 72-78 Xiang'an Street, Harbin 150036, People's Republic of China
| | - Dongmei Min
- Department of Rehabilitation Medicine, Heilongjiang Provincial Hospital, No. 82 Zhongshan Road, Xiangfang District, Harbin 150036, People's Republic of China
| | - Yan Bai
- Department of Acupuncture, Heilongjiang Academy of Chinese Medical Sciences, 72-78 Xiang'an Street, Harbin 150036, People's Republic of China
| | - Long Qu
- Department of Massage, Heilongjiang Academy of Chinese Medical Sciences, 72-78 Xiang'an Street, Harbin 150036, People's Republic of China
| | - Tianyu Zou
- Department of Acupuncture, Heilongjiang Academy of Chinese Medical Sciences, 72-78 Xiang'an Street, Harbin 150036, People's Republic of China
| | - Shun Wang
- Department of Acupuncture, Heilongjiang Academy of Chinese Medical Sciences, 72-78 Xiang'an Street, Harbin 150036, People's Republic of China
| |
Collapse
|
23
|
Chen WC, Liu YB, Liu WF, Zhou YY, He HF, Lin S. Neuropeptide Y Is an Immunomodulatory Factor: Direct and Indirect. Front Immunol 2020; 11:580378. [PMID: 33123166 PMCID: PMC7573154 DOI: 10.3389/fimmu.2020.580378] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Accepted: 09/18/2020] [Indexed: 12/12/2022] Open
Abstract
Neuropeptide Y (NPY), which is widely distributed in the nervous system, is involved in regulating a variety of biological processes, including food intake, energy metabolism, and emotional expression. However, emerging evidence points to NPY also as a critical transmitter between the nervous system and immune system, as well as a mediator produced and released by immune cells. In vivo and in vitro studies based on gene-editing techniques and specific NPY receptor agonists and antagonists have demonstrated that NPY is responsible for multifarious direct modulations on immune cells by acting on NPY receptors. Moreover, via the central or peripheral nervous system, NPY is closely connected to body temperature regulation, obesity development, glucose metabolism, and emotional expression, which are all immunomodulatory factors for the immune system. In this review, we focus on the direct role of NPY in immune cells and particularly discuss its indirect impact on the immune response.
Collapse
Affiliation(s)
- Wei-Can Chen
- Department of Anesthesiology, The Second Affiliated Hospital, Fujian Medical University, Quanzhou, China
| | - Yi-Bin Liu
- Department of Anesthesiology, The Second Affiliated Hospital, Fujian Medical University, Quanzhou, China
| | - Wei-Feng Liu
- Department of Anesthesiology, The Second Affiliated Hospital, Fujian Medical University, Quanzhou, China
| | - Ying-Ying Zhou
- Department of Anesthesiology, The Second Affiliated Hospital, Fujian Medical University, Quanzhou, China
| | - He-Fan He
- Department of Anesthesiology, The Second Affiliated Hospital, Fujian Medical University, Quanzhou, China
| | - Shu Lin
- Department of Anesthesiology, The Second Affiliated Hospital, Fujian Medical University, Quanzhou, China.,Centre of Neurological and Metabolic Research, The Second Affiliated Hospital, Fujian Medical University, Quanzhou, China.,Diabetes and Metabolism Division, Garvan Institute of Medical Research, Sydney, NSW, Australia
| |
Collapse
|
24
|
Rubi L, Fritschy JM. Increased GABAergic transmission in neuropeptide Y-expressing neurons in the dopamine-depleted murine striatum. J Neurophysiol 2020; 123:1496-1503. [PMID: 32159408 DOI: 10.1152/jn.00059.2020] [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] [Indexed: 11/22/2022] Open
Abstract
As the main input nucleus of the basal ganglia, the striatum plays a central role in planning, control, and execution of movement and motor skill learning. More than 90% of striatal neurons, so-called medium spiny neurons (MSN), are GABAergic projection neurons, innervating primarily the substantia nigra pars reticulata or the globus pallidus internus. The remaining neurons are GABAergic and cholinergic interneurons, synchronizing and controlling striatal output by reciprocal connections with MSN. Besides prominent local cholinergic influence, striatal function is globally regulated by dopamine (DA) from the nigrostriatal pathway. Little is known about whether DA depletion, as occurs in Parkinson's disease, affects the activity of striatal interneurons. Here we focused on neuropeptide Y (NPY)-expressing interneurons, which are among the major subgroups of GABAergic interneurons in the striatum. We investigated the effects of striatal DA depletion on GABAergic transmission in NPY interneurons by electrophysiologically recording GABAergic spontaneous (s) and miniature (m) inhibitory postsynaptic currents (IPSCs) in identified NPY interneurons in slices from 6-hydroxydopamine (6-OHDA)- and vehicle-injected transgenic NPY-humanized Renilla green fluorescent protein (hrGFP) mice with the whole cell patch-clamp technique. We report a significant increase in sIPSC and mIPSC frequency as well as the occurrence of giant synaptic and burst sIPSCs in the 6-OHDA group, suggesting changes in GABAergic circuit activity and synaptic transmission. IPSC kinetics remained unchanged, pointing to mainly presynaptic changes in GABAergic transmission. These results show that chronic DA depletion following 6-OHDA injection causes activity-dependent and -independent increase of synaptic GABAergic inhibition onto striatal NPY interneurons, confirming their involvement in the functional impairments of the DA-depleted striatum.NEW & NOTEWORTHY Neuropeptide Y (NPY) interneurons regulate the function of striatal projection neurons and are upregulated upon dopamine depletion in the striatum. Here we investigated how dopamine depletion affects NPY circuits and show electrophysiologically that it leads to the occurrence of giant synaptic and burst GABAergic spontaneous inhibitory postsynaptic currents (IPSCs) and to an activity-independent increase in GABAergic miniature IPSC frequency in NPY neurons. We suggest that degeneration of dopaminergic terminals in the striatum causes functional changes in striatal GABAergic function.
Collapse
Affiliation(s)
- Lena Rubi
- University of Zurich, Institute of Pharmacology and Toxicology, Zurich, Switzerland
| | - Jean-Marc Fritschy
- University of Zurich, Institute of Pharmacology and Toxicology, Zurich, Switzerland.,Neuroscience Center Zurich, Zurich, Switzerland
| |
Collapse
|
25
|
Azam S, Haque ME, Jakaria M, Jo SH, Kim IS, Choi DK. G-Protein-Coupled Receptors in CNS: A Potential Therapeutic Target for Intervention in Neurodegenerative Disorders and Associated Cognitive Deficits. Cells 2020; 9:cells9020506. [PMID: 32102186 PMCID: PMC7072884 DOI: 10.3390/cells9020506] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 02/15/2020] [Accepted: 02/18/2020] [Indexed: 12/17/2022] Open
Abstract
Neurodegenerative diseases are a large group of neurological disorders with diverse etiological and pathological phenomena. However, current therapeutics rely mostly on symptomatic relief while failing to target the underlying disease pathobiology. G-protein-coupled receptors (GPCRs) are one of the most frequently targeted receptors for developing novel therapeutics for central nervous system (CNS) disorders. Many currently available antipsychotic therapeutics also act as either antagonists or agonists of different GPCRs. Therefore, GPCR-based drug development is spreading widely to regulate neurodegeneration and associated cognitive deficits through the modulation of canonical and noncanonical signals. Here, GPCRs’ role in the pathophysiology of different neurodegenerative disease progressions and cognitive deficits has been highlighted, and an emphasis has been placed on the current pharmacological developments with GPCRs to provide an insight into a potential therapeutic target in the treatment of neurodegeneration.
Collapse
Affiliation(s)
- Shofiul Azam
- Department of Applied Life Science & Integrated Bioscience, Graduate School, Konkuk University, Chungju 27478, Korea; (S.A.); (M.E.H.); (M.J.); (S.-H.J.)
| | - Md. Ezazul Haque
- Department of Applied Life Science & Integrated Bioscience, Graduate School, Konkuk University, Chungju 27478, Korea; (S.A.); (M.E.H.); (M.J.); (S.-H.J.)
| | - Md. Jakaria
- Department of Applied Life Science & Integrated Bioscience, Graduate School, Konkuk University, Chungju 27478, Korea; (S.A.); (M.E.H.); (M.J.); (S.-H.J.)
- The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Parkville, VIC 3010, Australia
| | - Song-Hee Jo
- Department of Applied Life Science & Integrated Bioscience, Graduate School, Konkuk University, Chungju 27478, Korea; (S.A.); (M.E.H.); (M.J.); (S.-H.J.)
| | - In-Su Kim
- Department of Integrated Bioscience & Biotechnology, College of Biomedical and Health Science, and Research Institute of Inflammatory Disease (RID), Konkuk University, Chungju 27478, Korea
- Correspondence: (I.-S.K.); (D.-K.C.); Tel.: +82-010-3876-4773 (I.-S.K.); +82-43-840-3610 (D.-K.C.); Fax: +82-43-840-3872 (D.-K.C.)
| | - Dong-Kug Choi
- Department of Applied Life Science & Integrated Bioscience, Graduate School, Konkuk University, Chungju 27478, Korea; (S.A.); (M.E.H.); (M.J.); (S.-H.J.)
- Department of Integrated Bioscience & Biotechnology, College of Biomedical and Health Science, and Research Institute of Inflammatory Disease (RID), Konkuk University, Chungju 27478, Korea
- Correspondence: (I.-S.K.); (D.-K.C.); Tel.: +82-010-3876-4773 (I.-S.K.); +82-43-840-3610 (D.-K.C.); Fax: +82-43-840-3872 (D.-K.C.)
| |
Collapse
|
26
|
Xu JT, Qian Y, Wang W, Chen XX, Li Y, Li Y, Yang ZY, Song XB, Lu D, Deng XL. Effect of stromal cell-derived factor-1/CXCR4 axis in neural stem cell transplantation for Parkinson's disease. Neural Regen Res 2020; 15:112-119. [PMID: 31535659 PMCID: PMC6862426 DOI: 10.4103/1673-5374.264470] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Previous studies have shown that neural stem cell transplantation has the potential to treat Parkinson's disease, but its specific mechanism of action is still unclear. Stromal cell-derived factor-1 and its receptor, chemokine receptor 4 (CXCR4), are important regulators of cell migration. We speculated that the CXCR4/stromal cell-derived factor 1 axis may be involved in the therapeutic effect of neural stem cell transplantation in the treatment of Parkinson's disease. A Parkinson's disease rat model was injected with 6-hydroxydopamine via the right ascending nigrostriatal dopaminergic pathway, and then treated with 5 μL of neural stem cell suspension (1.5 × 104/L) in the right substantia nigra. Rats were intraperitoneally injected once daily for 3 days with 1.25 mL/kg of the CXCR4 antagonist AMD3100 to observe changes after neural stem cell transplantation. Parkinson-like behavior in rats was detected using apomorphine-induced rotation. Immunofluorescence staining was used to determine the immunoreactivity of tyrosine hydroxylase, CXCR4, and stromal cell-derived factor-1 in the brain. Using quantitative real-time polymerase chain reaction, the mRNA expression of stromal cell-derived factor-1 and CXCR4 in the right substantia nigra were measured. In addition, western blot assays were performed to analyze the protein expression of stromal cell-derived factor-1 and CXCR4. Our results demonstrated that neural stem cell transplantation noticeably reduced apomorphine-induced rotation, increased the mRNA and protein expression of stromal cell-derived factor-1 and CXCR4 in the right substantia nigra, and enhanced the immunoreactivity of tyrosine hydroxylase, CXCR4, and stromal cell-derived factor-1 in the brain. Injection of AMD3100 inhibited the aforementioned effects. These findings suggest that the stromal cell-derived factor-1/CXCR4 axis may play a significant role in the therapeutic effect of neural stem cell transplantation in a rat model of Parkinson's disease. This study was approved by the Animal Care and Use Committee of Kunming Medical University, China (approval No. SYXKK2015-0002) on April 1, 2014.
Collapse
Affiliation(s)
- Jiao-Tian Xu
- Department of Neurosurgery, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
| | - Yuan Qian
- Diagnosis Prenatal Unit, Department of Obstetrics, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
| | - Wei Wang
- Department of Neurosurgery, First Affiliated Hospital of Kunming Medical University, Kunming; The People's Hospital of Chuxiong Yi Autonomous Prefecture, Chuxiong, Yunnan Province, China
| | - Xiao-Xiang Chen
- Department of Neurosurgery, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
| | - Yang Li
- Department of Neurosurgery, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
| | - Yu Li
- Department of Neurosurgery, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
| | - Zhi-Yong Yang
- Department of Neurosurgery, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
| | - Xiao-Bin Song
- Department of Neurosurgery, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
| | - Di Lu
- Rehabilitation Engineering Research Laboratory, Biomedicine Engineering Research Center, Kunming Medical University, Kunming, Yunnan Province, China
| | - Xing-Li Deng
- Department of Neurosurgery, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
| |
Collapse
|
27
|
Li C, Wu X, Liu S, Zhao Y, Zhu J, Liu K. Roles of Neuropeptide Y in Neurodegenerative and Neuroimmune Diseases. Front Neurosci 2019; 13:869. [PMID: 31481869 PMCID: PMC6710390 DOI: 10.3389/fnins.2019.00869] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Accepted: 08/02/2019] [Indexed: 12/29/2022] Open
Abstract
Neuropeptide Y (NPY) is a neurotransmitter or neuromodulator that mainly exists in the nervous system. It plays a neuroprotective role in organisms and widely participates in the regulation of various physiological processes in vivo. Studies in both humans and animal models have been revealed that NPY levels are altered in some neurodegenerative and neuroimmune disorders. NPY plays various roles in these diseases, such as exerting a neuroprotective effect, increasing trophic support, decreasing excitotoxicity, regulating calcium homeostasis, and attenuating neuroinflammation. In this review, we will focus on the roles of NPY in the pathological mechanisms of neurodegenerative and neuroimmune diseases, highlighting NPY as a potential therapeutic target in these diseases.
Collapse
Affiliation(s)
- Chunrong Li
- Neuroscience Center, Department of Neurology, The First Hospital of Jilin University, Jilin University, Changchun, China
| | - Xiujuan Wu
- Neuroscience Center, Department of Neurology, The First Hospital of Jilin University, Jilin University, Changchun, China
| | - Shan Liu
- Neuroscience Center, Department of Neurology, The First Hospital of Jilin University, Jilin University, Changchun, China
| | - Yue Zhao
- Neuroscience Center, Department of Neurology, The First Hospital of Jilin University, Jilin University, Changchun, China
| | - Jie Zhu
- Neuroscience Center, Department of Neurology, The First Hospital of Jilin University, Jilin University, Changchun, China.,Department of Neurobiology, Care Sciences and Society, Karolinska Institute, Karolinska University Hospital Huddinge, Stockholm, Sweden
| | - Kangding Liu
- Neuroscience Center, Department of Neurology, The First Hospital of Jilin University, Jilin University, Changchun, China
| |
Collapse
|