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Srivastava R, Li A, Datta T, Jha NK, Talukder S, Jha SK, Chen ZS. Advances in stromal cell therapy for management of Alzheimer’s disease. Front Pharmacol 2022; 13:955401. [PMID: 36267273 PMCID: PMC9576849 DOI: 10.3389/fphar.2022.955401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Accepted: 09/08/2022] [Indexed: 11/13/2022] Open
Abstract
Deposition of misfolded proteins and synaptic failure affects the brain in Alzheimer’s disease (AD). Its progression results in amnesia and cognitive impairment. Absence of treatment is due to excessive loss of neurons in the patients and the delayed effects of drugs. The enhanced pluripotency, proliferation, differentiation, and recombination characteristics of stromal cells into nerve cells and glial cells present them as a potential treatment for AD. Successful evidence of action in animal models along with positive results in preclinical studies further encourage its utilization for AD treatment. With regard to humans, cell replacement therapy involving mesenchymal stromal cells, induced-pluripotent stromal cells, human embryonic stromal cells, and neural stems show promising results in clinical trials. However, further research is required prior to its use as stromal cell therapy in AD related disorders. The current review deals with the mechanism of development of anomalies such as Alzheimer’s and the prospective applications of stromal cells for treatment.
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Affiliation(s)
- Rashi Srivastava
- Chemical and Biochemical Engineering, Indian Institute of Technology, Patna, India
| | - Aidong Li
- Department of Rehabilitation, The Second People’s Hospital of Shenzhen, Shenzhen, China
| | - Tirtharaj Datta
- Department of Biotechnology, School of Engineering and Technology, Sharda University, Greater Noida, India
| | - Niraj Kumar Jha
- Department of Biotechnology, School of Engineering and Technology, Sharda University, Greater Noida, India
| | - Salehikram Talukder
- Institute for Biotechnology, St. John’s University, New York City, NY, United States
| | - Saurabh Kumar Jha
- Department of Biotechnology, School of Engineering and Technology, Sharda University, Greater Noida, India
- Department of Biotechnology, School of Applied and Life Sciences, Uttaranchal University, Dehradun, India
- Department of Biotechnology Engineering and Food Technology, Chandigarh University, Mohali, India
- *Correspondence: Saurabh Kumar Jha, ; Zhe-Sheng Chen,
| | - Zhe-Sheng Chen
- Institute for Biotechnology, St. John’s University, New York City, NY, United States
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John’s University, New York City, NY, United States
- *Correspondence: Saurabh Kumar Jha, ; Zhe-Sheng Chen,
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Komaki A, Shahidi S, Hashemi-Firouzi N, Rafat Z, Keymoradzadeh A, Golipoor Z. Combined Effect of Co-administration of Stromal Cell-Derived Factor-1 and Granulocyte-Colony Stimulating Factor on Rat Model of Alzheimer’s Disease. Front Behav Neurosci 2022; 16:796230. [PMID: 35309680 PMCID: PMC8924615 DOI: 10.3389/fnbeh.2022.796230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Accepted: 02/09/2022] [Indexed: 11/28/2022] Open
Abstract
Introduction Alzheimer’s disease (AD) is a neurodegenerative disease that is characterized by amyloid plaque deposits, neuronal cell loss, and memory impairment. Granulocyte-colony stimulating factor (G-CSF) is a growth factor associated with AD improvement. Stromal cell-derived factor-1 (SDF-1) mediates therapeutic effects of G-CSF. This study investigated the effect of combination treatment of G-CSF and SDF-1 on amyloid plaque deposits, apoptosis, and behavior of AD rats. Methods Intracerebroventricular amyloid-beta [Aβ(1-42)] peptide was used to induce AD in Aβ rats. There were six groups including naive control, sham-operated, Aβ, Aβ + G-CSF, Aβ + SDF-1, and Aβ + G-CSF + SDF-1. SDF-1 intra-cerebroventricular (ICV), G-CSF Subcutaneous (SC), or a combination of them were administered to Aβ rats weekly for 2 months. The cognition and memory were assessed using the novel object recognition, passive avoidance, and Morris water maze tests. Next, rat brains were removed and the amyloid plaque and apoptosis were detected in the brain and hippocampus using immunohistochemistry and TUNEL assay, respectively. Results The amyloid-beta and apoptotic cell levels dropped in groups receiving SDF-1 and G-CSF combination compared to the Aβ group. Also, number of microglial cells increased significantly in the combination group compared to other treatment groups. Moreover, learning and memory were significantly improved in the combination group compared to the Aβ groups (P < 0.05). Conclusion SDF-1 and G-CSF combination therapy can offer a promising strategy for AD.
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Affiliation(s)
- Alireza Komaki
- Neurophysiology Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Siamak Shahidi
- Department of Physiology, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Nasrin Hashemi-Firouzi
- Department of Physiology, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Zahra Rafat
- Department of Medical Microbiology, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Arman Keymoradzadeh
- Student Research Committee, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Zoleikha Golipoor
- Neuroscience Research Center, Guilan University of Medical Sciences, Rasht, Iran
- *Correspondence: Zoleikha Golipoor, ; orcid.org/0000-0001-9661-0636
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Naproxen as a potential candidate for promoting rivastigmine anti-Alzheimer activity against aluminum chloride-prompted Alzheimer's-like disease in rats; neurogenesis and apoptosis modulation as a possible underlying mechanism. Eur J Pharmacol 2022; 915:174695. [PMID: 34914971 DOI: 10.1016/j.ejphar.2021.174695] [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: 08/09/2021] [Revised: 11/29/2021] [Accepted: 12/07/2021] [Indexed: 11/24/2022]
Abstract
BACKGROUND AND AIM Alzheimer's disease (AD) is one of the leading causes of dependence and disability among the elderly worldwide. The traditional anti-Alzheimer medication, rivastigmine, one of the cholinesterase inhibitors (ChEIs), fails to achieve a definitive cure. We tested the hypothesis that naproxen administration to the rivastigmine-treated aluminum chloride (AlCl3) Alzheimer's rat model could provide an additive neuroprotective effect compared to rivastigmine alone. MATERIALS AND METHODS The studied groups were control (Cont), AlCl3 treated (Al), rivastigmine treated (RIVA), naproxen treated (Napro), and combined rivastigmine and naproxen treated (RIVA + Napro). Rats' memory, spatial learning, and cognitive behavior were assessed followed by evaluation of hippocampal acetylcholinesterase (AChE) activity. Hippocampal and cerebellar histopathology were thoroughly examined. Activated caspase-3 and the neuroepithelial stem cells marker; nestin expressions were immunohistochemically assayed. RESULTS AD rats displayed significantly impaired memory and cognitive function, augmented hippocampal AChE activity; massive neurodegeneration associated with enhanced astrogliosis, apoptosis, and impaired neurogenesis. Except for the enhancement of neurogenesis and suppression of apoptosis, the combination therapy had no additional neuroprotective benefit over rivastigmine-only therapy. CONCLUSION Naproxen's efficacy was established by its ability to function at the cellular level, improved neurogenesis, and decreased, apoptosis without having an additional mitigating impact on cognitive impairment in rivastigmine-treated AD rats.
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Wan L, Huang RJ, Yang C, Ai JQ, Zhou Q, Gong JE, Li J, Zhang Y, Luo ZH, Tu E, Pan A, Xiao B, Yan XX. Extracranial 125I Seed Implantation Allows Non-invasive Stereotactic Radioablation of Hippocampal Adult Neurogenesis in Guinea Pigs. Front Neurosci 2021; 15:756658. [PMID: 34916901 PMCID: PMC8670234 DOI: 10.3389/fnins.2021.756658] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 10/21/2021] [Indexed: 11/13/2022] Open
Abstract
Adult hippocampal neurogenesis (AHN) is important for multiple cognitive functions. We sort to establish a minimal or non-invasive radiation approach to ablate AHN using guinea pigs as an animal model. 125I seeds with different radiation dosages (1.0, 0.8, 0.6, 0.3 mCi) were implanted unilaterally between the scalp and skull above the temporal lobe for 30 and 60 days, with the radiation effect on proliferating cells, immature neurons, and mature neurons in the hippocampal formation determined by assessment of immunolabeled (+) cells for Ki67, doublecortin (DCX), and neuron-specific nuclear antigen (NeuN), as well as Nissl stain cells. Spatially, the ablation effect of radiation occurred across the entire rostrocaudal and largely the dorsoventral dimensions of the hippocampus, evidenced by a loss of DCX+ cells in the subgranular zone (SGZ) of dentate gyrus (DG) in the ipsilateral relative to contralateral hemispheres in reference to the 125I seed implant. Quantitatively, Ki67+ and DCX+ cells at the SGZ in the dorsal hippocampus were reduced in all dosage groups at the two surviving time points, more significant in the ipsilateral than contralateral sides, relative to sham controls. NeuN+ neurons and Nissl-stained cells were reduced in the granule cell layer of DG and the stratum pyramidale of CA1 in the groups with 0.6-mCi radiation for 60 days and 1.0 mCi for 30 and 60 days. Minimal cranial trauma was observed in the groups with 0.3– 1.0-mCi radiation at 60 days. These results suggest that extracranial radiation with 125I seed implantation can be used to deplete HAN in a radioactivity-, duration-, and space-controllable manner, with a “non-invasive” stereotactic ablation achievable by using 125I seeds with relatively low radioactivity dosages.
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Affiliation(s)
- Lily Wan
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China.,Department of Anatomy and Neurobiology, Central South University Xiangya School of Medicine, Changsha, China
| | - Rou-Jie Huang
- Medical Doctor Program, Xiangya School of Medicine, Central South University, Changsha, China
| | - Chen Yang
- Department of Anatomy and Neurobiology, Central South University Xiangya School of Medicine, Changsha, China
| | - Jia-Qi Ai
- Department of Anatomy and Neurobiology, Central South University Xiangya School of Medicine, Changsha, China
| | - Qian Zhou
- Medical Doctor Program, Xiangya School of Medicine, Central South University, Changsha, China
| | - Jiao-E Gong
- Department of Neurology, Hunan Children's Hospital, Changsha, China
| | - Jian Li
- Department of Nuclear Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - Yun Zhang
- Department of Anesthesiology, The 2nd Xiangya Hospital Central South University, Changsha, China
| | - Zhao-Hui Luo
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
| | - Ewen Tu
- Department of Neurology, Brain Hospital of Hunan Province, Changsha, China
| | - Aihua Pan
- Department of Anatomy and Neurobiology, Central South University Xiangya School of Medicine, Changsha, China
| | - Bo Xiao
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
| | - Xiao-Xin Yan
- Department of Anatomy and Neurobiology, Central South University Xiangya School of Medicine, Changsha, China
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Walia V, Kaushik D, Mittal V, Kumar K, Verma R, Parashar J, Akter R, Rahman MH, Bhatia S, Al-Harrasi A, Karthika C, Bhattacharya T, Chopra H, Ashraf GM. Delineation of Neuroprotective Effects and Possible Benefits of AntioxidantsTherapy for the Treatment of Alzheimer's Diseases by Targeting Mitochondrial-Derived Reactive Oxygen Species: Bench to Bedside. Mol Neurobiol 2021; 59:657-680. [PMID: 34751889 DOI: 10.1007/s12035-021-02617-1] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 10/19/2021] [Indexed: 12/25/2022]
Abstract
Alzheimer's disease (AD) is considered the sixth leading cause of death in elderly patients and is characterized by progressive neuronal degeneration and impairment in memory, language, etc. AD is characterized by the deposition of senile plaque, accumulation of fibrils, and neurofibrillary tangles (NFTs) which are responsible for neuronal degeneration. Amyloid-β (Aβ) plays a key role in the process of neuronal degeneration in the case of AD. It has been reported that Aβ is responsible for the production of reactive oxygen species (ROS), depletion of endogenous antioxidants, increase in intracellular Ca2+ which further increases mitochondria dysfunctions, oxidative stress, release of pro-apoptotic factors, neuronal apoptosis, etc. Thus, oxidative stress plays a key role in the pathogenesis of AD. Antioxidants are compounds that have the ability to counteract the oxidative damage conferred by ROS. Therefore, the antioxidant therapy may provide benefits and halt the progress of AD to advance stages by counteracting neuronal degeneration. However, despite the beneficial effects imposed by the antioxidants, the findings from the clinical studies suggested inconsistent results which might be due to poor study design, selection of the wrong antioxidant, inability of the molecule to cross the blood-brain barrier (BBB), treatment in the advanced state of disease, etc. The present review insights into the neuroprotective effects and limitations of the antioxidant therapy for the treatment of AD by targeting mitochondrial-derived ROS. This particular article will certainly help the researchers to search new avenues for the treatment of AD by utilizing mitochondrial-derived ROS-targeted antioxidant therapies.
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Affiliation(s)
- Vaibhav Walia
- SGT College of Pharmacy, SGT University, Gurugram, Haryana, India
| | - Deepak Kaushik
- Department of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak, 124001, India
| | - Vineet Mittal
- Department of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak, 124001, India
| | - Kuldeep Kumar
- Department of Pharmaceutical Sciences and Drug Research, Punjabi University, Patiala, Punjab, India
- University Institute of Pharmaceutical Sciences (UIPS), Chandigarh University, Gharuan, Mohali, Punjab, India
| | - Ravinder Verma
- Department of Pharmacy, School of Medical and Allied Sciences, G.D. Goenka University, Gurugram, 122103, India
| | - Jatin Parashar
- Department of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak, 124001, India
| | - Rokeya Akter
- Department of Pharmacy, Jagannath University, Sadarghat, Dhaka, 1100, Bangladesh
| | - Md Habibur Rahman
- Department of Pharmacy, Southeast University, Banani, Dhaka, 1213, Bangladesh.
| | - Saurabh Bhatia
- School of Health Science University of Petroleum and Energy Studies, Dehrandun, Uttarkhand, 248007, India
- Natural & Medical Sciences Research Center, University of Nizwa, 616 Birkat Al Mouz, P.O. Box 33, Nizwa, Oman
| | - Ahmed Al-Harrasi
- Natural & Medical Sciences Research Center, University of Nizwa, 616 Birkat Al Mouz, P.O. Box 33, Nizwa, Oman
| | - Chenmala Karthika
- Department of Pharmaceutics, JSS College of Pharmacy, JSS Academy of Higher Education & Research, The Nilgiris, Ooty, 643001, Tamil Nadu, India
| | - Tanima Bhattacharya
- College of Chemistry & Chemical Engineering, Hubei University, Wuhan, 430062, China
| | - Hitesh Chopra
- Chitkara College of Pharmacy, Chitkara University, Punjab, 140401, India
| | - Ghulam Md Ashraf
- Pre-Clinical Research Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
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Wan L, Huang RJ, Luo ZH, Gong JE, Pan A, Manavis J, Yan XX, Xiao B. Reproduction-Associated Hormones and Adult Hippocampal Neurogenesis. Neural Plast 2021; 2021:3651735. [PMID: 34539776 PMCID: PMC8448607 DOI: 10.1155/2021/3651735] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 08/17/2021] [Indexed: 11/18/2022] Open
Abstract
The levels of reproduction-associated hormones in females, such as estrogen, progesterone, prolactin, and oxytocin, change dramatically during pregnancy and postpartum. Reproduction-associated hormones can affect adult hippocampal neurogenesis (AHN), thereby regulating mothers' behavior after delivery. In this review, we first briefly introduce the overall functional significance of AHN and the methods commonly used to explore this front. Then, we attempt to reconcile the changes of reproduction-associated hormones during pregnancy. We further update the findings on how reproduction-related hormones influence adult hippocampal neurogenesis. This review is aimed at emphasizing a potential role of AHN in reproduction-related brain plasticity and its neurobiological relevance to motherhood behavior.
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Affiliation(s)
- Lily Wan
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Rou-Jie Huang
- Medical Doctor Program, Xiangya School of Medicine, Central South University, Changsha, China
| | - Zhao-Hui Luo
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Jiao-e Gong
- Department of Neurology, Hunan Children's Hospital, Changsha 410007, China
| | - Aihua Pan
- Department of Anatomy and Neurobiology, Central South University Xiangya School of Medicine, Changsha, Hunan 410013, China
| | - Jim Manavis
- Faculty of Health and Medical Sciences, The University of Adelaide, Adelaide, SA, Australia 5000
| | - Xiao-Xin Yan
- Department of Anatomy and Neurobiology, Central South University Xiangya School of Medicine, Changsha, Hunan 410013, China
| | - Bo Xiao
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
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Guo S, Wang R, Hu J, Sun L, Zhao X, Zhao Y, Han D, Hu S. Photobiomodulation Promotes Hippocampal CA1 NSC Differentiation Toward Neurons and Facilitates Cognitive Function Recovery Involving NLRP3 Inflammasome Mitigation Following Global Cerebral Ischemia. Front Cell Neurosci 2021; 15:731855. [PMID: 34489645 PMCID: PMC8417562 DOI: 10.3389/fncel.2021.731855] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Accepted: 07/27/2021] [Indexed: 12/12/2022] Open
Abstract
Our recent study revealed that photobiomodulation (PBM) inhibits delayed neuronal death by preserving mitochondrial dynamics and function following global cerebral ischemia (GCI). In the current study, we clarified whether PBM exerts effective roles in endogenous neurogenesis and long-lasting neurological recovery after GCI. Adult male rats were treated with 808 nm PBM at 20 mW/cm2 irradiance for 2 min on cerebral cortex surface (irradiance ∼7.0 mW/cm2, fluence ∼0.8 J/cm2 on the hippocampus) beginning 3 days after GCI for five consecutive days. Cognitive function was evaluated using the Morris water maze. Neural stem cell (NSC) proliferation, immature neurons, and mature neurons were examined using bromodeoxyuridine (BrdU)-, doublecortin (DCX)-, and NeuN-staining, respectively. Protein expression, such as NLRP3, cleaved IL1β, GFAP, and Iba1 was detected using immunofluorescence staining, and ultrastructure of astrocyte and microglia was observed by transmission electron microscopy. The results revealed that PBM exerted a markedly neuroprotective role and improved spatial learning and memory ability at 58 days of ischemia/reperfusion (I/R) but not at 7 days of reperfusion. Mechanistic studies revealed that PBM suppressed reactive astrocytes and maintained astrocyte regeneration at 7 days of reperfusion, as well as elevated neurogenesis at 58 days of reperfusion, as evidenced by a significant decrease in the fluorescence intensity of GFAP (astrocyte marker) but unchanged the number of BrdU-GFAP colabeled cells at the early timepoint, and a robust elevation in the number of DCX-NeuN colabeled cells at the later timepoint in the PBM-treated group compared to the GCI group. Notably, PBM treatment protected the ultrastructure of astrocyte and microglia cells at 58 days but not 7 days of reperfusion in the hippocampal CA1 region. Furthermore, PBM treatment significantly attenuated the GCI-induced immunofluorescence intensity of NLRP3 (an inflammasome component), cleaved IL1β (reflecting inflammasome activation) and Iba1, as well as the colocalization of NLRP3/GFAP or cleaved IL-1β/GFAP, especially in animals subjected to I/R at 58 days. Taken together, PBM treatment performed postischemia exerted a long-lasting protective effect on astrocytes and promoted endogenous neurogenesis in the hippocampal CA1 region, which might contribute to neurological recovery after GCI.
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Affiliation(s)
- Sihan Guo
- School of Life Sciences, Jiangsu Provincial Institute of Health Emergency, Xuzhou Medical University, Xuzhou, China
| | - Ruimin Wang
- Neurobiology Institute, School of Public Health, North China University of Science and Technology, Tangshan, China
| | - Jiewei Hu
- Neurobiology Institute, School of Public Health, North China University of Science and Technology, Tangshan, China
| | - Liping Sun
- School of Life Sciences, Jiangsu Provincial Institute of Health Emergency, Xuzhou Medical University, Xuzhou, China
| | - Xinru Zhao
- School of Life Sciences, Jiangsu Provincial Institute of Health Emergency, Xuzhou Medical University, Xuzhou, China
| | - Yufeng Zhao
- School of Life Sciences, Jiangsu Provincial Institute of Health Emergency, Xuzhou Medical University, Xuzhou, China
| | - Dong Han
- School of Life Sciences, Jiangsu Provincial Institute of Health Emergency, Xuzhou Medical University, Xuzhou, China
| | - Shuqun Hu
- School of Life Sciences, Jiangsu Provincial Institute of Health Emergency, Xuzhou Medical University, Xuzhou, China
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Santos VR, Melo IS, Pacheco ALD, Castro OWD. Life and death in the hippocampus: What's bad? Epilepsy Behav 2021; 121:106595. [PMID: 31759972 DOI: 10.1016/j.yebeh.2019.106595] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Revised: 09/30/2019] [Accepted: 10/01/2019] [Indexed: 01/13/2023]
Abstract
The hippocampal formation is crucial for the generation and regulation of several brain functions, including memory and learning processes; however, it is vulnerable to neurological disorders, such as epilepsy. Temporal lobe epilepsy (TLE), the most common type of epilepsy, changes the hippocampal circuitry and excitability, under the contribution of both neuronal degeneration and abnormal neurogenesis. Classically, neurodegeneration affects sensitive areas of the hippocampus, such as dentate gyrus (DG) hilus, as well as specific fields of the Ammon's horn, CA3, and CA1. In addition, the proliferation, migration, and abnormal integration of newly generated hippocampal granular cells (GCs) into the brain characterize TLE neurogenesis. Robust studies over the years have intensely discussed the effects of death and life in the hippocampus, though there are still questions to be answered about their possible benefits and risks. Here, we review the impacts of death and life in the hippocampus, discussing its influence on TLE, providing new perspectives or insights for the implementation of new possible therapeutic targets. This article is part of the Special Issue "NEWroscience 2018".
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Affiliation(s)
- Victor Rodrigues Santos
- Department of Morphology, Institute of Biological Sciences, Federal University of Minas Gerais (UFMG), Belo Horizonte, Brazil.
| | - Igor Santana Melo
- Institute of Biological Sciences and Health, Federal University of Alagoas (UFAL), Maceio, Brazil
| | | | - Olagide Wagner de Castro
- Institute of Biological Sciences and Health, Federal University of Alagoas (UFAL), Maceio, Brazil.
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Kummer KK, Zeidler M, Kalpachidou T, Kress M. Role of IL-6 in the regulation of neuronal development, survival and function. Cytokine 2021; 144:155582. [PMID: 34058569 DOI: 10.1016/j.cyto.2021.155582] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 05/07/2021] [Accepted: 05/11/2021] [Indexed: 12/17/2022]
Abstract
The pleiotropic cytokine interleukin-6 (IL-6) is emerging as a molecule with both beneficial and destructive potentials. It can exert opposing actions triggering either neuron survival after injury or causing neurodegeneration and cell death in neurodegenerative or neuropathic disorders. Importantly, neurons respond differently to IL-6 and this critically depends on their environment and whether they are located in the peripheral or the central nervous system. In addition to its hub regulator role in inflammation, IL-6 is recently emerging as an important regulator of neuron function in health and disease, offering exciting possibilities for more mechanistic insight into the pathogenesis of mental, neurodegenerative and pain disorders and for developing novel therapies for diseases with neuroimmune and neurogenic pathogenic components.
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Affiliation(s)
- Kai K Kummer
- Institute of Physiology, Medical University of Innsbruck, Austria
| | | | | | - Michaela Kress
- Institute of Physiology, Medical University of Innsbruck, Austria.
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10
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Najib NH, Nies YH, Abd Halim SA, Yahaya MF, Das S, Lim WL, Teoh SL. Modeling Parkinson’s Disease in Zebrafish. CNS & NEUROLOGICAL DISORDERS-DRUG TARGETS 2020; 19:386-399. [DOI: 10.2174/1871527319666200708124117] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Revised: 05/10/2020] [Accepted: 06/17/2020] [Indexed: 01/04/2023]
Abstract
Parkinson’s Disease (PD) is one of the most common neurodegenerative disorders that affects
the motor system, and includes cardinal motor symptoms such as resting tremor, cogwheel rigidity,
bradykinesia and postural instability. Its prevalence is increasing worldwide due to the increase in
life span. Although, two centuries since the first description of the disease, no proper cure with regard
to treatment strategies and control of symptoms could be reached. One of the major challenges faced
by the researchers is to have a suitable research model. Rodents are the most common PD models
used, but no single model can replicate the true nature of PD. In this review, we aim to discuss another
animal model, the zebrafish (Danio rerio), which is gaining popularity. Zebrafish brain has all the major
structures found in the mammalian brain, with neurotransmitter systems, and it also possesses a
functional blood-brain barrier similar to humans. From the perspective of PD research, the zebrafish
possesses the ventral diencephalon, which is thought to be homologous to the mammalian substantia
nigra. We summarize the various zebrafish models available to study PD, namely chemical-induced
and genetic models. The zebrafish can complement the use of other animal models for the mechanistic
study of PD and help in the screening of new potential therapeutic compounds.
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Affiliation(s)
- Nor H.M. Najib
- Department of Anatomy, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Kuala Lumpur, Malaysia
| | - Yong H. Nies
- Department of Anatomy, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Kuala Lumpur, Malaysia
| | - Syarifah A.S. Abd Halim
- Department of Anatomy, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Kuala Lumpur, Malaysia
| | - Mohamad F. Yahaya
- Department of Anatomy, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Kuala Lumpur, Malaysia
| | - Srijit Das
- Department of Anatomy, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Kuala Lumpur, Malaysia
| | - Wei L. Lim
- Department of Biological Sciences, School of Science and Technology, Sunway University, Selangor, Malaysia
| | - Seong L. Teoh
- Department of Anatomy, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Kuala Lumpur, Malaysia
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11
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Wells AM, García-Cabezas MÁ, Barbas H. Topological atlas of the hypothalamus in adult rhesus monkey. Brain Struct Funct 2020; 225:1777-1803. [PMID: 32556476 PMCID: PMC7321918 DOI: 10.1007/s00429-020-02093-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Accepted: 05/22/2020] [Indexed: 12/31/2022]
Abstract
The prosomeric model explains the embryological development of the central nervous system (CNS) shared by all vertebrates as a Bauplan. As a primary event, the early neural plate is patterned by intersecting longitudinal plates and transverse segments, forming a mosaic of progenitor units. The hypothalamus is specified by three prosomeres (hp1, hp2, and the acroterminal domain) of the secondary prosencephalon with corresponding alar and basal plate parts, which develop apart from the diencephalon. Mounting evidence suggests that progenitor units within alar and basal plate parts of hp1 and hp2 give rise to distinct hypothalamic nuclei, which preserve their relative invariant positioning (topology) in the adult brain. Nonetheless, the principles of the prosomeric model have not been applied so far to the hypothalamus of adult primates. We parcellated hypothalamic nuclei in adult rhesus monkeys (Macaca mulatta) using various stains to view architectonic boundaries. We then analyzed the topological relations of hypothalamic nuclei and adjacent hypothalamic landmarks with homology across rodent and primate species to trace the origin of adult hypothalamic nuclei to the alar or basal plate components of hp1 and hp2. We generated a novel atlas of the hypothalamus of the adult rhesus monkey with developmental ontologies for each hypothalamic nucleus. The result is a systematic reinterpretation of the adult hypothalamus whose prosomeric ontology can be used to study relationships between the hypothalamus and other regions of the CNS. Further, our atlas may serve as a tool to predict causal patterns in physiological and pathological pathways involving the hypothalamus.
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Affiliation(s)
- Anne Marie Wells
- Graduate Medical Sciences, Boston University School of Medicine, Boston, MA, 02215, USA
- Department of Health Sciences, Neural Systems Laboratory, Boston University, Boston, MA, 02215, USA
| | | | - Helen Barbas
- Department of Health Sciences, Neural Systems Laboratory, Boston University, Boston, MA, 02215, USA.
- Department of Anatomy and Neurobiology, Boston University School of Medicine, Boston, MA, USA.
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12
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Marchetti B, Tirolo C, L'Episcopo F, Caniglia S, Testa N, Smith JA, Pluchino S, Serapide MF. Parkinson's disease, aging and adult neurogenesis: Wnt/β-catenin signalling as the key to unlock the mystery of endogenous brain repair. Aging Cell 2020; 19:e13101. [PMID: 32050297 PMCID: PMC7059166 DOI: 10.1111/acel.13101] [Citation(s) in RCA: 96] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Revised: 11/27/2019] [Accepted: 12/25/2019] [Indexed: 12/14/2022] Open
Abstract
A common hallmark of age-dependent neurodegenerative diseases is an impairment of adult neurogenesis. Wingless-type mouse mammary tumor virus integration site (Wnt)/β-catenin (WβC) signalling is a vital pathway for dopaminergic (DAergic) neurogenesis and an essential signalling system during embryonic development and aging, the most critical risk factor for Parkinson's disease (PD). To date, there is no known cause or cure for PD. Here we focus on the potential to reawaken the impaired neurogenic niches to rejuvenate and repair the aged PD brain. Specifically, we highlight WβC-signalling in the plasticity of the subventricular zone (SVZ), the largest germinal region in the mature brain innervated by nigrostriatal DAergic terminals, and the mesencephalic aqueduct-periventricular region (Aq-PVR) Wnt-sensitive niche, which is in proximity to the SNpc and harbors neural stem progenitor cells (NSCs) with DAergic potential. The hallmark of the WβC pathway is the cytosolic accumulation of β-catenin, which enters the nucleus and associates with T cell factor/lymphoid enhancer binding factor (TCF/LEF) transcription factors, leading to the transcription of Wnt target genes. Here, we underscore the dynamic interplay between DAergic innervation and astroglial-derived factors regulating WβC-dependent transcription of key genes orchestrating NSC proliferation, survival, migration and differentiation. Aging, inflammation and oxidative stress synergize with neurotoxin exposure in "turning off" the WβC neurogenic switch via down-regulation of the nuclear factor erythroid-2-related factor 2/Wnt-regulated signalosome, a key player in the maintenance of antioxidant self-defense mechanisms and NSC homeostasis. Harnessing WβC-signalling in the aged PD brain can thus restore neurogenesis, rejuvenate the microenvironment, and promote neurorescue and regeneration.
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Affiliation(s)
- Bianca Marchetti
- Department of Biomedical and Biotechnological Sciences (BIOMETEC)Pharmacology and Physiology SectionsMedical SchoolUniversity of CataniaCataniaItaly
- Neuropharmacology SectionOASI Research Institute‐IRCCSTroinaItaly
| | - Cataldo Tirolo
- Neuropharmacology SectionOASI Research Institute‐IRCCSTroinaItaly
| | | | | | - Nunzio Testa
- Neuropharmacology SectionOASI Research Institute‐IRCCSTroinaItaly
| | - Jayden A. Smith
- Department of Clinical Neurosciences and NIHR Biomedical Research CentreUniversity of CambridgeCambridgeUK
| | - Stefano Pluchino
- Department of Clinical Neurosciences and NIHR Biomedical Research CentreUniversity of CambridgeCambridgeUK
| | - Maria F. Serapide
- Department of Biomedical and Biotechnological Sciences (BIOMETEC)Pharmacology and Physiology SectionsMedical SchoolUniversity of CataniaCataniaItaly
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13
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Cannabinoid signalling in embryonic and adult neurogenesis: possible implications for psychiatric and neurological disorders. Acta Neuropsychiatr 2019; 31:1-16. [PMID: 29764526 DOI: 10.1017/neu.2018.11] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Cannabinoid signalling modulates several aspects of brain function, including the generation and survival of neurons during embryonic and adult periods. The present review intended to summarise evidence supporting a role for the endocannabinoid system on the control of neurogenesis and neurogenesis-dependent functions. Studies reporting participation of cannabinoids on the regulation of any step of neurogenesis and the effects of cannabinoid compounds on animal models possessing neurogenesis-dependent features were selected from Medline. Qualitative evaluation of the selected studies indicated that activation of cannabinoid receptors may change neurogenesis in embryonic or adult nervous systems alongside rescue of phenotypes in animal models of different psychiatric and neurological disorders. The text offers an overview on the effects of cannabinoids on central nervous system development and the possible links with psychiatric and neurological disorders such as anxiety, depression, schizophrenia, brain ischaemia/stroke and Alzheimer's disease. An understanding of the mechanisms by which cannabinoid signalling influences developmental and adult neurogenesis will help foster the development of new therapeutic strategies for neurodevelopmental, psychiatric and neurological disorders.
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14
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Tan X, Shen F, Dong WL, Yang Y, Chen G. The role of hydrogen in Alzheimer's disease. Med Gas Res 2019; 8:176-180. [PMID: 30713672 PMCID: PMC6352568 DOI: 10.4103/2045-9912.248270] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Accepted: 10/26/2018] [Indexed: 12/11/2022] Open
Abstract
Alzheimer’s disease is one of the most common neurodegenerative diseases in the elderly. It is often manifested as learning and memory impairment, cognitive function decline, normal social and emotional disorders. However, for this high-risk common disease, there is currently no effective treatment, which has plagued many clinicians. As a new type of medical therapeutic gas, hydrogen has attracted much attention recently. As a recognized reducing gas, hydrogen has shown great anti-oxidative stress and anti-inflammatory effect in many cerebral disease models. It can ameliorate neuronal damage, maintain the number of neurons, prolong the lifespan of neurons, and ultimately inhibit disease progression. Therefore, the role and mechanism of hydrogen in the pathological process of Alzheimer’s disease will be discussed in this paper.
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Affiliation(s)
- Xin Tan
- Department of Neurology, the First Affiliated Hospital of Soochow University, Suzhou, Jiangsu Province, China
| | - Fang Shen
- Department of Neurosurgery & Brain and Nerve Research Laboratory, the First Affiliated Hospital of Soochow University, Suzhou, Jiangsu Province, China
| | - Wan-Li Dong
- Department of Neurology, the First Affiliated Hospital of Soochow University, Suzhou, Jiangsu Province, China
| | - Yi Yang
- Department of Neurology, the First Affiliated Hospital of Soochow University, Suzhou, Jiangsu Province, China
| | - Gang Chen
- Department of Neurosurgery & Brain and Nerve Research Laboratory, the First Affiliated Hospital of Soochow University, Suzhou, Jiangsu Province, China
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15
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Xu XF, Wang YC, Zong L, Chen ZY, Li Y. Elevating Integrin-linked Kinase expression has rescued hippocampal neurogenesis and memory deficits in an AD animal model. Brain Res 2018; 1695:65-77. [PMID: 29787769 DOI: 10.1016/j.brainres.2018.05.024] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2018] [Revised: 04/30/2018] [Accepted: 05/18/2018] [Indexed: 12/12/2022]
Abstract
Alterations in adult neurogenesis have been regarded as a major cause of cognitive impairment in Alzheimer's disease (AD). The underlying mechanism of neurogenesis deficiency in AD remains unclear. In this study, we reported that Integrin-linked Kinase (ILK) protein levels and phosphorylation were significantly decreased in the hippocampus of APP/PS1 mice. Increased ILK expression of dentate gyrus (DG) rescued the hippocampus-dependent neurogenesis and memory deficits in APP/PS1 mice. Moreover, we demonstrated that the effect of ILK overexpression in the hippocampus was exerted via AKT-GSK3β pathway. Finally, we found that Fluoxetine, a selective serotonin reuptake inhibitor, could improve the impaired hippocampal neurogenesis and memory by enhancing ILK-AKT-GSK3β pathway activity in APP/PS1 mice. Thus, these findings demonstrated the effects of ILK on neurogenesis and memory recovery, suggesting that ILK is an important therapeutic target for AD prevention and treatment.
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Affiliation(s)
- Xu-Feng Xu
- Institute of Brain Science and Disease, School of Basic Medicine, Qingdao University, Qingdao, Shandong 266001, People's Republic of China; Department of Cell and Neurobiology, Shandong Provincial Key Laboratory of Mental Disorders, CAS Center for Excellence in Brain Science, School of Basic Medicine, Shandong University, Jinan, Shandong 250012, People's Republic of China
| | - You-Cui Wang
- Institute of Brain Science and Disease, School of Basic Medicine, Qingdao University, Qingdao, Shandong 266001, People's Republic of China
| | - Liang Zong
- BGI-Shenzhen, Shenzhen 518083, People's Republic of China
| | - Zhe-Yu Chen
- Department of Cell and Neurobiology, Shandong Provincial Key Laboratory of Mental Disorders, CAS Center for Excellence in Brain Science, School of Basic Medicine, Shandong University, Jinan, Shandong 250012, People's Republic of China
| | - Yan Li
- Department of Urology, Qilu Hospital of Shandong University, Jinan, Shandong 250012, People's Republic of China.
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L'Episcopo F, Tirolo C, Serapide MF, Caniglia S, Testa N, Leggio L, Vivarelli S, Iraci N, Pluchino S, Marchetti B. Microglia Polarization, Gene-Environment Interactions and Wnt/β-Catenin Signaling: Emerging Roles of Glia-Neuron and Glia-Stem/Neuroprogenitor Crosstalk for Dopaminergic Neurorestoration in Aged Parkinsonian Brain. Front Aging Neurosci 2018; 10:12. [PMID: 29483868 PMCID: PMC5816064 DOI: 10.3389/fnagi.2018.00012] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2017] [Accepted: 01/11/2018] [Indexed: 12/29/2022] Open
Abstract
Neuroinflammatory processes are recognized key contributory factors in Parkinson's disease (PD) physiopathology. While the causes responsible for the progressive loss of midbrain dopaminergic (mDA) neuronal cell bodies in the subtantia nigra pars compacta are poorly understood, aging, genetics, environmental toxicity, and particularly inflammation, represent prominent etiological factors in PD development. Especially, reactive astrocytes, microglial cells, and infiltrating monocyte-derived macrophages play dual beneficial/harmful effects, via a panel of pro- or anti-inflammatory cytokines, chemokines, neurotrophic and neurogenic transcription factors. Notably, with age, microglia may adopt a potent neurotoxic, pro-inflammatory “primed” (M1) phenotype when challenged with inflammatory or neurotoxic stimuli that hamper brain's own restorative potential and inhibit endogenous neurorepair mechanisms. In the last decade we have provided evidence for a major role of microglial crosstalk with astrocytes, mDA neurons and neural stem progenitor cells (NSCs) in the MPTP- (1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine-) mouse model of PD, and identified Wnt/β-catenin signaling, a pivotal morphogen for mDA neurodevelopment, neuroprotection, and neuroinflammatory modulation, as a critical actor in glia-neuron and glia-NSCs crosstalk. With age however, Wnt signaling and glia-NSC-neuron crosstalk become dysfunctional with harmful consequences for mDA neuron plasticity and repair. These findings are of importance given the deregulation of Wnt signaling in PD and the emerging link between most PD related genes, Wnt signaling and inflammation. Especially, in light of the expanding field of microRNAs and inflammatory PD-related genes as modulators of microglial-proinflammatory status, uncovering the complex molecular circuitry linking PD and neuroinflammation will permit the identification of new druggable targets for the cure of the disease. Here we summarize recent findings unveiling major microglial inflammatory and oxidative stress pathways converging in the regulation of Wnt/β-catenin signaling, and reciprocally, the ability of Wnt signaling pathways to modulate microglial activation in PD. Unraveling the key factors and conditons promoting the switch of the proinflammatory M1 microglia status into a neuroprotective and regenerative M2 phenotype will have important consequences for neuroimmune interactions and neuronal outcome under inflammatory and/or neurodegenerative conditions.
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Affiliation(s)
| | | | - Maria F Serapide
- Department of Biomedical and Biotechnological Sciences, Medical School, University of Catania, Catania, Italy
| | | | | | - Loredana Leggio
- Department of Biomedical and Biotechnological Sciences, Medical School, University of Catania, Catania, Italy
| | - Silvia Vivarelli
- Department of Biomedical and Biotechnological Sciences, Medical School, University of Catania, Catania, Italy
| | - Nunzio Iraci
- Department of Biomedical and Biotechnological Sciences, Medical School, University of Catania, Catania, Italy
| | - Stefano Pluchino
- Division of Stem Cell Neurobiology, Department of Clinical Neurosciences, Wellcome Trust-Medical Research Council Stem Cell Institute, NIHR Biomedical Research Centre, University of Cambridge, Cambridge, United Kingdom
| | - Bianca Marchetti
- Oasi ResearchInstitute-IRCCS, Troina, Italy.,Department of Biomedical and Biotechnological Sciences, Medical School, University of Catania, Catania, Italy
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Heese K. Functional repertoire of interleukin-6 in the central nervous system – a review. Restor Neurol Neurosci 2017; 35:693-701. [DOI: 10.3233/rnn-170772] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Klaus Heese
- Graduate School of Biomedical Science and Engineering, Hanyang University, Wangsimni-ro, Seongdong-gu, Seoul, Republic of Korea
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Pereira JADS, da Silva FC, de Moraes-Vieira PMM. The Impact of Ghrelin in Metabolic Diseases: An Immune Perspective. J Diabetes Res 2017; 2017:4527980. [PMID: 29082258 PMCID: PMC5610818 DOI: 10.1155/2017/4527980] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2017] [Revised: 07/07/2017] [Accepted: 07/31/2017] [Indexed: 01/22/2023] Open
Abstract
Obesity and insulin resistance have reached epidemic proportions. Obesogenic conditions are associated with increased risk for the development of other comorbidities and obesity-related diseases. In metabolic disorders, there is chronic low-grade inflammation induced by the activation of immune cells, especially in metabolic relevant organs such as white adipose tissue (WAT). These immune cells are regulated by environmental and systemic cues. Ghrelin is a peptide secreted mainly by X/A-like gastric cells and acts through the growth hormone secretagogue receptor (GHS-R). This receptor is broadly expressed in the central nervous system (CNS) and in several cell types, including immune cells. Studies show that ghrelin induces an orexigenic state, and there is increasing evidence implicating an immunoregulatory role for ghrelin. Ghrelin mainly acts on the innate and adaptive immune systems to suppress inflammation and induce an anti-inflammatory profile. In this review, we discuss the immunoregulatory roles of ghrelin, the mechanisms by which ghrelin acts and potential pharmacological applications for ghrelin in the treatment of obesity-associated inflammatory diseases, such as type 2 diabetes (T2D).
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Affiliation(s)
- Jéssica Aparecida da Silva Pereira
- Laboratory of Immunometabolism, Department of Genetics, Evolution and Bioagents, Institute of Biology, University of Campinas, São Paulo, SP, Brazil
- Department of Immunology, Institute of Biomedical Science, University of São Paulo, São Paulo, SP, Brazil
| | - Felipe Corrêa da Silva
- Laboratory of Immunometabolism, Department of Genetics, Evolution and Bioagents, Institute of Biology, University of Campinas, São Paulo, SP, Brazil
| | - Pedro Manoel Mendes de Moraes-Vieira
- Laboratory of Immunometabolism, Department of Genetics, Evolution and Bioagents, Institute of Biology, University of Campinas, São Paulo, SP, Brazil
- Department of Immunology, Institute of Biomedical Science, University of São Paulo, São Paulo, SP, Brazil
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