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Gao J, Gunasekar S, Xia ZJ, Shalin K, Jiang C, Chen H, Lee D, Lee S, Pisal ND, Luo JN, Griciuc A, Karp JM, Tanzi R, Joshi N. Gene therapy for CNS disorders: modalities, delivery and translational challenges. Nat Rev Neurosci 2024:10.1038/s41583-024-00829-7. [PMID: 38898231 DOI: 10.1038/s41583-024-00829-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/23/2024] [Indexed: 06/21/2024]
Abstract
Gene therapy is emerging as a powerful tool to modulate abnormal gene expression, a hallmark of most CNS disorders. The transformative potentials of recently approved gene therapies for the treatment of spinal muscular atrophy (SMA), amyotrophic lateral sclerosis (ALS) and active cerebral adrenoleukodystrophy are encouraging further development of this approach. However, most attempts to translate gene therapy to the clinic have failed to make it to market. There is an urgent need not only to tailor the genes that are targeted to the pathology of interest but to also address delivery challenges and thereby maximize the utility of genetic tools. In this Review, we provide an overview of gene therapy modalities for CNS diseases, emphasizing the interconnectedness of different delivery strategies and routes of administration. Important gaps in understanding that could accelerate the clinical translatability of CNS genetic interventions are addressed, and we present lessons learned from failed clinical trials that may guide the future development of gene therapies for the treatment and management of CNS disorders.
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Affiliation(s)
- Jingjing Gao
- Department of Biomedical Engineering, University of Massachusetts, Amherst, MA, USA.
- Center for Bioactive Delivery, Institute for Applied Life Sciences, University of Massachusetts, Amherst, MA, USA.
| | - Swetharajan Gunasekar
- Center for Nanomedicine, Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Boston, MA, USA
| | - Ziting Judy Xia
- Center for Nanomedicine, Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Boston, MA, USA
| | - Kiruba Shalin
- Department of Biomedical Engineering, University of Massachusetts, Amherst, MA, USA
| | - Christopher Jiang
- Center for Nanomedicine, Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Boston, MA, USA
| | - Hao Chen
- Marine College, Shandong University, Weihai, China
| | - Dongtak Lee
- Center for Nanomedicine, Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
| | - Sohyung Lee
- Center for Nanomedicine, Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
| | - Nishkal D Pisal
- Department of Biomedical Engineering, University of Massachusetts, Amherst, MA, USA
| | - James N Luo
- Center for Nanomedicine, Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Boston, MA, USA
- Department of Surgery, Brigham and Women's Hospital, Boston, MA, USA
| | - Ana Griciuc
- Harvard Medical School, Boston, MA, USA.
- Genetics and Aging Research Unit, McCance Center for Brain Health, Mass General Institute for Neurodegenerative Disease and Department of Neurology, Massachusetts General Hospital, Boston, MA, USA.
| | - Jeffrey M Karp
- Center for Nanomedicine, Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Boston, MA, USA.
- Harvard Medical School, Boston, MA, USA.
- Harvard-MIT Program in Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA, USA.
- Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA.
- Broad Institute of MIT and Harvard, Cambridge, MA, USA.
| | - Rudolph Tanzi
- Harvard Medical School, Boston, MA, USA.
- Genetics and Aging Research Unit, McCance Center for Brain Health, Mass General Institute for Neurodegenerative Disease and Department of Neurology, Massachusetts General Hospital, Boston, MA, USA.
| | - Nitin Joshi
- Center for Nanomedicine, Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Boston, MA, USA.
- Harvard Medical School, Boston, MA, USA.
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Stanton AE, Bubnys A, Agbas E, James B, Park DS, Jiang A, Pinals RL, Liu L, Truong N, Loon A, Staab C, Cerit O, Wen HL, Kellis M, Blanchard JW, Langer R, Tsai LH. Engineered 3D Immuno-Glial-Neurovascular Human miBrain Model. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.08.15.553453. [PMID: 37645757 PMCID: PMC10461996 DOI: 10.1101/2023.08.15.553453] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
Patient-specific, human-based cellular models integrating a biomimetic blood-brain barrier (BBB), immune, and myelinated neuron components are critically needed to enable accelerated, translationally relevant discovery of neurological disease mechanisms and interventions. By engineering a novel brain-mimicking 3D hydrogel and co-culturing all six major brain cell types derived from patient iPSCs, we have constructed, characterized, and utilized a multicellular integrated brain (miBrain) immuno-glial-neurovascular model with in vivo- like hallmarks inclusive of neuronal activity, functional connectivity, barrier function, myelin-producing oligodendrocyte engagement with neurons, multicellular interactions, and transcriptomic profiles. We implemented the model to study Alzheimer's Disease pathologies associated with APOE4 genetic risk. APOE4 miBrains differentially exhibit amyloid aggregation, tau phosphorylation, and astrocytic GFAP. Unlike the co-emergent fate specification of glia and neurons in organoids, miBrains integrate independently differentiated cell types, a feature we harnessed to identify that APOE4 in astrocytes promotes neuronal tau pathogenesis and dysregulation through crosstalk with microglia.
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Belskaya A, Kurzina N, Savchenko A, Sukhanov I, Gromova A, Gainetdinov RR, Volnova A. Rats Lacking the Dopamine Transporter Display Inflexibility in Innate and Learned Behavior. Biomedicines 2024; 12:1270. [PMID: 38927477 DOI: 10.3390/biomedicines12061270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2024] [Revised: 05/30/2024] [Accepted: 06/04/2024] [Indexed: 06/28/2024] Open
Abstract
Playing a key role in the organization of striatal motor output, the dopamine (DA)-ergic system regulates both innate and complex learned behaviors. Growing evidence clearly indicates the involvement of the DA-ergic system in different forms of repetitive (perseverative) behavior. Some of these behaviors accompany such disorders as obsessive-compulsive disorder (OCD), Tourette's syndrome, schizophrenia, and addiction. In this study, we have traced how the inflexibility of repetitive reactions in the recently developed animal model of hyper-DA-ergia, dopamine transporter knockout rats (DAT-KO rats), affects the realization of innate behavior (grooming) and the learning of spatial (learning and reversal learning in T-maze) and non-spatial (extinction of operant reaction) tasks. We found that the microstructure of grooming in DAT-KO rats significantly differed in comparison to control rats. DAT-KO rats more often demonstrated a fixed syntactic chain, making fewer errors and very rarely missing the chain steps in comparison to control rats. DAT-KO rats' behavior during inter-grooming intervals was completely different to the control animals. During learning and reversal learning in the T-maze, DAT-KO rats displayed pronounced patterns of hyperactivity and perseverative (stereotypical) activity, which led to worse learning and a worse performance of the task. Most of the DAT-KO rats could not properly learn the behavioral task in question. During re-learning, DAT-KO rats demonstrated rigid perseverative activity even in the absence of any reinforcement. In operant tasks, the mutant rats demonstrated poor extinction of operant lever pressing: they continued to perform lever presses despite no there being reinforcement. Our results suggest that abnormally elevated DA levels may be responsible for behavioral rigidity. It is conceivable that this phenomenon in DAT-KO rats reflects some of the behavioral traits observed in clinical conditions associated with endogenous or exogenous hyper-DA-ergia, such as schizophrenia, substance abuse, OCD, patients with Parkinson disease treated with DA mimetics, etc. Thus, DAT-KO rats may be a valuable behavioral model in the search for new pharmacological approaches to treat such illnesses.
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Affiliation(s)
- Anastasia Belskaya
- Institute of Translational Biomedicine, Saint Petersburg State University, Saint Petersburg 199034, Russia
| | - Natalia Kurzina
- Institute of Translational Biomedicine, Saint Petersburg State University, Saint Petersburg 199034, Russia
| | - Artem Savchenko
- Valdman Institute of Pharmacology, Pavlov First St. Petersburg State Medical University, Saint Petersburg 197022, Russia
| | - Ilya Sukhanov
- Institute of Translational Biomedicine, Saint Petersburg State University, Saint Petersburg 199034, Russia
- Valdman Institute of Pharmacology, Pavlov First St. Petersburg State Medical University, Saint Petersburg 197022, Russia
| | - Arina Gromova
- Institute of Translational Biomedicine, Saint Petersburg State University, Saint Petersburg 199034, Russia
- Biological Faculty, Saint Petersburg State University, Saint Petersburg 199034, Russia
| | - Raul R Gainetdinov
- Institute of Translational Biomedicine, Saint Petersburg State University, Saint Petersburg 199034, Russia
- Saint Petersburg University Hospital, Saint Petersburg 190121, Russia
| | - Anna Volnova
- Institute of Translational Biomedicine, Saint Petersburg State University, Saint Petersburg 199034, Russia
- Biological Faculty, Saint Petersburg State University, Saint Petersburg 199034, Russia
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Collins HM, Greenfield S. Rodent Models of Alzheimer's Disease: Past Misconceptions and Future Prospects. Int J Mol Sci 2024; 25:6222. [PMID: 38892408 PMCID: PMC11172947 DOI: 10.3390/ijms25116222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2024] [Revised: 05/28/2024] [Accepted: 06/03/2024] [Indexed: 06/21/2024] Open
Abstract
Alzheimer's disease (AD) is a progressive neurodegenerative disease with no effective treatments, not least due to the lack of authentic animal models. Typically, rodent models recapitulate the effects but not causes of AD, such as cholinergic neuron loss: lesioning of cholinergic neurons mimics the cognitive decline reminiscent of AD but not its neuropathology. Alternative models rely on the overexpression of genes associated with familial AD, such as amyloid precursor protein, or have genetically amplified expression of mutant tau. Yet transgenic rodent models poorly replicate the neuropathogenesis and protein overexpression patterns of sporadic AD. Seeding rodents with amyloid or tau facilitates the formation of these pathologies but cannot account for their initial accumulation. Intracerebral infusion of proinflammatory agents offer an alternative model, but these fail to replicate the cause of AD. A novel model is therefore needed, perhaps similar to those used for Parkinson's disease, namely adult wildtype rodents with neuron-specific (dopaminergic) lesions within the same vulnerable brainstem nuclei, 'the isodendritic core', which are the first to degenerate in AD. Site-selective targeting of these nuclei in adult rodents may recapitulate the initial neurodegenerative processes in AD to faithfully mimic its pathogenesis and progression, ultimately leading to presymptomatic biomarkers and preventative therapies.
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Affiliation(s)
- Helen M. Collins
- Neuro-Bio Ltd., Building F5 The Culham Campus, Abingdon OX14 3DB, UK;
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Akyazı O, Korkmaz D, Cevher SC. Experimental Parkinson models and green chemistry approach. Behav Brain Res 2024; 471:115092. [PMID: 38844056 DOI: 10.1016/j.bbr.2024.115092] [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: 02/03/2024] [Revised: 05/31/2024] [Accepted: 06/03/2024] [Indexed: 06/14/2024]
Abstract
Parkinson's is the most common neurodegenerative disease after Alzheimer's. Motor findings in Parkinson's occur as a result of the degeneration of dopaminergic neurons starting in the substantia nigra pars compacta and ending in the putamen and caudate nucleus. Loss of neurons and the formation of inclusions called Lewy bodies in existing neurons are characteristic histopathological findings of Parkinson's. The disease primarily impairs the functional capacity of the person with cardinal findings such as tremor, bradykinesia, etc., as a result of the loss of dopaminergic neurons in the substantia nigra. Experimental animal models of Parkinson's have been used extensively in recent years to investigate the pathology of this disease. These models are generally based on systemic or local(intracerebral) administration of neurotoxins, which can replicate many features of Parkinson's mammals. The development of transgenic models in recent years has allowed us to learn more about the modeling of Parkinson's. Applying animal modeling, which shows the most human-like effects in studies, is extremely important. It has been demonstrated that oxidative stress increases in many neurodegenerative diseases such as Parkinson's and various age-related degenerative diseases in humans and that neurons are sensitive to it. In cases where oxidative stress increases and antioxidant systems are inadequate, natural molecules such as flavonoids and polyphenols can be used as a new antioxidant treatment to reduce neuronal reactive oxygen species and improve the neurodegenerative process. Therefore, in this article, we examined experimental animal modeling in Parkinson's disease and the effect of green chemistry approaches on Parkinson's disease.
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Affiliation(s)
- Ozge Akyazı
- Gazi University, Institute of Science, Department of Biology, Ankara 06500, Turkey.
| | - Dılara Korkmaz
- Gazi University, Institute of Science, Department of Biology, Ankara 06500, Turkey
| | - Sule Coskun Cevher
- Gazi University, Faculty of Science, Department of Biology, Ankara 06500, Turkey
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Türk Börü Ü, Kadir Sarıtaş Z, Görücü Özbek F, Bölük C, Acar H, Koç Y, Zeytin Demiral G. Alterations in the spinal cord, trigeminal nerve ganglion, and infraorbital nerve through inducing compression of the dorsal horn region at the upper cervical cord in trigeminal neuralgia. Brain Res 2024; 1832:148842. [PMID: 38447599 DOI: 10.1016/j.brainres.2024.148842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Revised: 02/25/2024] [Accepted: 02/27/2024] [Indexed: 03/08/2024]
Abstract
BACKGROUND Idiopathic trigeminal neuralgia (TN) cases encountered frequently in daily practice indicate significant gaps that still need to be illuminated in the etiopathogenesis. In this study, a novel TN animal model was developed by compressing the dorsal horn (DH) of the upper cervical spinal cord. METHODS Eighteen rabbits were equally divided into three groups, namely control (CG), sham (SG), and spinal cord compression (SCC) groups. External pressure was applied to the left side at the C3 level in the SCC group. Dorsal hemilaminectomy was performed in the SG, and the operative side was closed without compression. No procedure was implemented in the control group. Samples from the SC, TG, and ION were taken after seven days. For the histochemical staining, damage and axons with myelin were scored using Hematoxylin and Eosin and Toluidine Blue, respectively. Immunohistochemistry, nuclei, apoptotic index, astrocyte activity, microglial labeling, and CD11b were evaluated. RESULTS Mechanical allodynia was observed on the ipsilateral side in the SCC group. In addition, both the TG and ION were partially damaged from SC compression, which resulted in significant histopathological changes and increased the expression of all markers in both the SG and SCC groups compared to that in the CG. There was a notable increase in tissue damage, an increase in the number of apoptotic nuclei, an increase in the apoptotic index, an indication of astrocytic gliosis, and an upsurge in microglial cells. Significant increases were noted in the SG group, whereas more pronounced significant increases were observed in the SCC group. Transmission electron microscopy revealed myelin damage, mitochondrial disruption, and increased anchoring particles. Similar changes were observed to a lesser extent in the contralateral spinal cord. CONCLUSION Ipsilateral trigeminal neuropathic pain was developed due to upper cervical SCC. The clinical finding is supported by immunohistochemical and ultrastructural changes. Thus, alterations in the DH due to compression of the upper cervical region should be considered as a potential cause of idiopathic TN.
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Affiliation(s)
- Ülkü Türk Börü
- Department of Neurology University of Afyonkarahisar Health Sciences, Afyonkarahisar, Turkey
| | - Zülfükar Kadir Sarıtaş
- Department of Surgery, Faculty of Veterinary Medicine, University of Afyon Kocatepe, Afyonkarahisar, Turkey
| | - Fatma Görücü Özbek
- Department of Surgery, Faculty of Veterinary Medicine, University of Afyon Kocatepe, Afyonkarahisar, Turkey
| | - Cem Bölük
- Department of Neurology and Clinical Neurophysiology, Sanliurfa Training and Research Hospital, Sanliurfa, Turkey.
| | - Hakan Acar
- Department of Neurology University of Afyonkarahisar Health Sciences, Afyonkarahisar, Turkey
| | - Yusuf Koç
- Department of Surgery, Faculty of Veterinary Medicine, University of Afyon Kocatepe, Afyonkarahisar, Turkey
| | - Gökçe Zeytin Demiral
- Department of Neurology University of Afyonkarahisar Health Sciences, Afyonkarahisar, Turkey
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Brown RE. Measuring the replicability of our own research. J Neurosci Methods 2024; 406:110111. [PMID: 38521128 DOI: 10.1016/j.jneumeth.2024.110111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Revised: 03/08/2024] [Accepted: 03/18/2024] [Indexed: 03/25/2024]
Abstract
In the study of transgenic mouse models of neurodevelopmental and neurodegenerative disorders, we use batteries of tests to measure deficits in behaviour and from the results of these tests, we make inferences about the mental states of the mice that we interpret as deficits in "learning", "memory", "anxiety", "depression", etc. This paper discusses the problems of determining whether a particular transgenic mouse is a valid mouse model of disease X, the problem of background strains, and the question of whether our behavioural tests are measuring what we say they are. The problem of the reliability of results is then discussed: are they replicable between labs and can we replicate our results in our own lab? This involves the study of intra- and inter- experimenter reliability. The variables that influence replicability and the importance of conducting a complete behavioural phenotype: sensory, motor, cognitive and social emotional behaviour are discussed. Then the thorny question of failure to replicate is examined: Is it a curse or a blessing? Finally, the role of failure in research and what it tells us about our research paradigms is examined.
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Affiliation(s)
- Richard E Brown
- Department of Psychology and Neuroscience, Dalhousie University, Halifax, NS B3H 4R2, Canada.
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Buccellato FR, D'Anca M, Tartaglia GM, Del Fabbro M, Galimberti D. Frontotemporal dementia: from genetics to therapeutic approaches. Expert Opin Investig Drugs 2024; 33:561-573. [PMID: 38687620 DOI: 10.1080/13543784.2024.2349286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Accepted: 04/25/2024] [Indexed: 05/02/2024]
Abstract
INTRODUCTION Frontotemporal dementia (FTD) includes a group of neurodegenerative diseases characterized clinically by behavioral disturbances and by neurodegeneration of brain anterior temporal and frontal lobes, leading to atrophy. Apart from symptomatic treatments, there is, at present, no disease-modifying cure for FTD. AREAS COVERED Three main mutations are known as causes of familial FTD, and large consortia have studied carriers of mutations, also in preclinical Phases. As genetic cases are the only ones in which the pathology can be predicted in life, compounds developed so far are directed toward specific proteins or mutations. Herein, recently approved clinical trials will be summarized, including molecules, mechanisms of action and pharmacological testing. EXPERT OPINION These studies are paving the way for the future. They will clarify whether single mutations should be addressed rather than common proteins depositing in the brain to move from genetic to sporadic FTD.
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Affiliation(s)
- Francesca R Buccellato
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan, Italy
- Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, Milan, Italy
| | - Marianna D'Anca
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan, Italy
| | - Gianluca Martino Tartaglia
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan, Italy
- Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, Milan, Italy
| | - Massimo Del Fabbro
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan, Italy
- Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, Milan, Italy
| | - Daniela Galimberti
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan, Italy
- Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, Milan, Italy
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Itkin T, Unger K, Barak Y, Yovel A, Stekolshchik L, Ego L, Aydinov Y, Gerchman Y, Sapir A. Exploiting the Unique Biology of Caenorhabditis elegans to Launch Neurodegeneration Studies in Space. ASTROBIOLOGY 2024; 24:579-589. [PMID: 38917419 DOI: 10.1089/ast.2023.0096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/27/2024]
Abstract
The 21st century is likely to be the first century in which large-scale short- and long-term space missions become common. Accordingly, an ever-increasing body of research is focusing on understanding the effects of current and future space expeditions on human physiology in health and disease. Yet the complex experimental environment, the small number of participants, and the high cost of space missions are among the primary factors that hinder a better understanding of the impact of space missions on human physiology. The goal of our research was to develop a cost-effective, compact, and easy-to-manipulate system to address questions related to human health and disease in space. This initiative was part of the Ramon SpaceLab program, an annual research-based learning program designed to cultivate high school students' involvement in space exploration by facilitating experiments aboard the International Space Station (ISS). In the present study, we used the nematode Caenorhabditis elegans (C. elegans), a well-suited model organism, to investigate the effect of space missions on neurodegeneration-related processes. Our study specifically focused on the level of aggregation of Huntington's disease-causing polyglutamine stretch-containing (PolyQ) proteins in C. elegans muscles, the canonical system for studying neurodegeneration in this organism. We compared animals expressing PolyQ proteins grown onboard the ISS with their genetically identical siblings grown on Earth and observed a significant difference in the number of aggregates between the two populations. Currently, it is challenging to determine whether this effect stems from developmental or morphological differences between the cultures or is a result of life in space. Nevertheless, our results serve as a proof of concept and open a new avenue for utilizing C. elegans to address various open questions in space studies, including the effects of space conditions on the onset and development of neurodegenerative diseases.
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Affiliation(s)
- Tatyana Itkin
- Science, Technology, Engineering, and Mathematics Program, Shakim High School, Nahariya, Israel
| | - Ksenia Unger
- Science, Technology, Engineering, and Mathematics Program, Shakim High School, Nahariya, Israel
| | - Yair Barak
- Science, Technology, Engineering, and Mathematics Program, Shakim High School, Nahariya, Israel
| | - Amit Yovel
- Science, Technology, Engineering, and Mathematics Program, Shakim High School, Nahariya, Israel
| | - Liya Stekolshchik
- Science, Technology, Engineering, and Mathematics Program, Shakim High School, Nahariya, Israel
| | - Linoy Ego
- Science, Technology, Engineering, and Mathematics Program, Shakim High School, Nahariya, Israel
| | - Yana Aydinov
- Science, Technology, Engineering, and Mathematics Program, Shakim High School, Nahariya, Israel
| | - Yoram Gerchman
- Department of Biology and the Environment, Faculty of Natural Sciences, University of Haifa, Haifa, Israel
- Institute of Evolution, Faculty of Natural Sciences, University of Haifa, Haifa, Israel
- Oranim Academic College, Kiryat Tivon, Israel
| | - Amir Sapir
- Department of Biology and the Environment, Faculty of Natural Sciences, University of Haifa, Haifa, Israel
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Xu J, Yu SJ, Sun S, Li YP, Zhang X, Jin K, Jin ZB. Enhanced innate responses in microglia derived from retinoblastoma patient-specific iPSCs. Glia 2024; 72:872-884. [PMID: 38258347 DOI: 10.1002/glia.24507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 01/04/2024] [Accepted: 01/09/2024] [Indexed: 01/24/2024]
Abstract
RB1 deficiency leads to retinoblastoma (Rb), the most prevalent intraocular malignancy. Tumor-associated macrophages (TAMs) are related to local inflammation disorder, particularly by increasing cytokines and immune escape. Microglia, the unique resident macrophages for retinal homeostasis, are the most important immune cells of Rb. However, whether RB1 deficiency affects microglial function remain unknown. In this study, microglia were successfully differentiated from Rb patient- derived human induced pluripotent stem cells (hiPSCs) and human embryonic stem cells (hESCs), and then we investigated the function of RB1 in microglia by live imaging phagocytosis assay, immunofluorescence, RNA-seq, qRT-PCR, ELISA and retina organoids/microglia co-culturing. RB1 was abundantly expressed in microglia and predominantly located in the nucleus. We then examined the phagocytosis ability and secretion function of iMGs in vitro. We found that RB1 deficiency did not affect the expression of microglia-specific markers or the phagocytic abilities of these cells by live-imaging. Upon LPS stimulation, RB1-deficient microglia displayed enhanced innate immune responses, as evidenced by activated MAPK signaling pathway and elevated expression of IL-6 and TNF-α at both mRNA and protein levels, compared to wildtype microglia. Furthermore, retinal structure disruption was observed when retinal organoids were co-cultured with RB1-deficient microglia, highlighting the potential contribution of microglia to Rb development and potential therapeutic strategies for retinoblastoma.
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Affiliation(s)
- Jia Xu
- Beijing Institute of Ophthalmology, Beijing Tongren Hospital, Capital Medical University, Beijing, China
| | - Si-Jian Yu
- Beijing Institute of Ophthalmology, Beijing Tongren Hospital, Capital Medical University, Beijing, China
| | - Shuning Sun
- Beijing Institute of Ophthalmology, Beijing Tongren Hospital, Capital Medical University, Beijing, China
| | - Yan-Ping Li
- Beijing Institute of Ophthalmology, Beijing Tongren Hospital, Capital Medical University, Beijing, China
| | - Xiao Zhang
- Beijing Institute of Ophthalmology, Beijing Tongren Hospital, Capital Medical University, Beijing, China
| | - Kangxin Jin
- Beijing Institute of Ophthalmology, Beijing Tongren Hospital, Capital Medical University, Beijing, China
| | - Zi-Bing Jin
- Beijing Institute of Ophthalmology, Beijing Tongren Hospital, Capital Medical University, Beijing, China
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Zeini S, Davoodian N, Kazemi H, Shareghi Brojeni M, Ghani E, Arab Firouzjaei M, Atashabparvar A. Resveratrol prevents cognitive impairment and hippocampal inflammatory response induced by lipopolysaccharide in a mouse model of chronic neuroinflammation. Physiol Behav 2024; 278:114508. [PMID: 38460779 DOI: 10.1016/j.physbeh.2024.114508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 02/25/2024] [Accepted: 03/06/2024] [Indexed: 03/11/2024]
Abstract
BACKGROUND Neurodegenerative disorders are associated with chronic neuroinflammation, which contributes to their pathogenesis and progression. Resveratrol (RSV) is a polyphenolic compound with strong antioxidant and anti-inflammatory properties. In the present study, we investigated whether RSV could protect against cognitive impairment and inflammatory response in a mouse model of chronic neuroinflammation induced by lipopolysaccharide (LPS). METHOD Mice received oral RSV (30 mg/kg) or vehicle for two weeks, and injected with LPS (0.75 mg/kg) or saline daily for the last seven days. After two weeks, mice were subjected to behavioral assessments using the Morris water maze and Y-maze. Moreover, mRNA expression of several inflammatory markers, neuronal loss, and glial density were evaluated in the hippocampus of treated mice. RESULTS Our findings showed that RSV treatment effectively improved spatial and working memory impairments induced by LPS. In addition, RSV significantly reduced hippocampal glial densities and neuronal loss in LPS-injected mice. Moreover, RSV treatment suppressed LPS-induced upregulation of NF-κB, IL-6, IL-1β, and GFAP in the hippocampus of treated mice. CONCLUSION Taken together, our results highlight the detrimental effect of systemic inflammation on the hippocampus and the potential of natural products with anti-inflammatory effects to counteract this impact.
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Affiliation(s)
- Shiva Zeini
- Molecular Medicine Research Center, Hormozgan Health Institute, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | - Nahid Davoodian
- Endocrinology and Metabolism Research Center, Hormozgan University of Medical Sciences, Bandar Abbas, Iran; Department of Clinical Biochemistry, Faculty of Medicine, Hormozgan University of Medical Sciences, Bandar Abbas, Iran.
| | - Haniyeh Kazemi
- Department of Physiology, The Medical School, Shiraz Medical University, of Medical Sciences, Shiraz, Iran
| | - Masoud Shareghi Brojeni
- Department of Physiology, Faculty of Medicine, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | - Esmaeel Ghani
- Endocrinology and Metabolism Research Center, Hormozgan University of Medical Sciences, Bandar Abbas, Iran; Department of Physiology, Faculty of Medicine, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | - Maryam Arab Firouzjaei
- Department of Physiology, Faculty of Medicine, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | - Ali Atashabparvar
- Department of Pathology, Faculty of Medicine, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
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12
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Chen A, Yangzom T, Hong Y, Lundberg BC, Sullivan GJ, Tzoulis C, Bindoff LA, Liang KX. Hallmark Molecular and Pathological Features of POLG Disease are Recapitulated in Cerebral Organoids. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2307136. [PMID: 38445970 PMCID: PMC11095234 DOI: 10.1002/advs.202307136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 11/26/2023] [Indexed: 03/07/2024]
Abstract
In this research, a 3D brain organoid model is developed to study POLG-related encephalopathy, a mitochondrial disease stemming from POLG mutations. Induced pluripotent stem cells (iPSCs) derived from patients with these mutations is utilized to generate cortical organoids, which exhibited typical features of the diseases with POLG mutations, such as altered morphology, neuronal loss, and mitochondiral DNA (mtDNA) depletion. Significant dysregulation is also identified in pathways crucial for neuronal development and function, alongside upregulated NOTCH and JAK-STAT signaling pathways. Metformin treatment ameliorated many of these abnormalities, except for the persistent affliction of inhibitory dopamine-glutamate (DA GLU) neurons. This novel model effectively mirrors both the molecular and pathological attributes of diseases with POLG mutations, providing a valuable tool for mechanistic understanding and therapeutic screening for POLG-related disorders and other conditions characterized by compromised neuronal mtDNA maintenance and complex I deficiency.
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Affiliation(s)
- Anbin Chen
- Department of Clinical Medicine (K1)University of BergenBergen5021Norway
- Department of NeurosurgeryXinhua Hospital Affiliated to Shanghai Jiaotong University School of MedicineShanghai20092China
| | - Tsering Yangzom
- Department of Clinical Medicine (K1)University of BergenBergen5021Norway
- Centre for International HealthUniversity of BergenBergen5020Norway
| | - Yu Hong
- Department of Clinical Medicine (K1)University of BergenBergen5021Norway
| | - Bjørn Christian Lundberg
- Department of Clinical Medicine (K1)University of BergenBergen5021Norway
- Department of BiomedicineUniversity of BergenBergen5009Norway
| | | | - Charalampos Tzoulis
- Department of Clinical Medicine (K1)University of BergenBergen5021Norway
- Neuro‐SysMedCenter of Excellence for Clinical Research in Neurological DiseasesHaukeland University HospitalBergen5021Norway
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13
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Lewitt MS, Boyd GW. Role of the Insulin-like Growth Factor System in Neurodegenerative Disease. Int J Mol Sci 2024; 25:4512. [PMID: 38674097 PMCID: PMC11049992 DOI: 10.3390/ijms25084512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 04/16/2024] [Accepted: 04/18/2024] [Indexed: 04/28/2024] Open
Abstract
The insulin-like growth factor (IGF) system has paracrine and endocrine roles in the central nervous system. There is evidence that IGF signalling pathways have roles in the pathophysiology of neurodegenerative disease. This review focusses on Alzheimer's disease and Parkinson's disease, the two most common neurodegenerative disorders that are increasing in prevalence globally in relation to the aging population and the increasing prevalence of obesity and type 2 diabetes. Rodent models used in the study of the molecular pathways involved in neurodegeneration are described. However, currently, no animal model fully replicates these diseases. Mice with triple mutations in APP, PSEN and MAPT show promise as models for the testing of novel Alzheimer's therapies. While a causal relationship is not proven, the fact that age, obesity and T2D are risk factors in both strengthens the case for the involvement of the IGF system in these disorders. The IGF system is an attractive target for new approaches to management; however, there are gaps in our understanding that first need to be addressed. These include a focus beyond IGF-I on other members of the IGF system, including IGF-II, IGF-binding proteins and the type 2 IGF receptor.
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Affiliation(s)
- Moira S. Lewitt
- School of Health and Life Sciences, University of the West of Scotland, Paisley PA1 2BE, UK
| | - Gary W. Boyd
- School of Health and Life Sciences, University of the West of Scotland, Hamilton G72 0LH, UK;
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14
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Giorgi C, Castelli V, d’Angelo M, Cimini A. Organoids Modeling Stroke in a Petri Dish. Biomedicines 2024; 12:877. [PMID: 38672231 PMCID: PMC11048104 DOI: 10.3390/biomedicines12040877] [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: 03/22/2024] [Revised: 04/10/2024] [Accepted: 04/11/2024] [Indexed: 04/28/2024] Open
Abstract
Stroke is a common neurological disorder, the second leading cause of death, and the third leading cause of disability. Unfortunately, the only approved drug for it is tissue plasminogen, but the therapeutic window is limited. In this context, preclinical studies are relevant to better dissect the underlying mechanisms of stroke and for the drug screening of potential therapies. Brain organoids could be relevant in this setting. They are derived from pluripotent stem cells or isolated organ progenitors that differentiate to form an organ-like tissue, exhibiting multiple cell types that self-organize to form a structure not unlike the organ in vivo. Brain organoids mimic many key features of early human brain development at molecular, cellular, structural, and functional levels and have emerged as novel model systems that can be used to investigate human brain diseases including stroke. Brain organoids are a promising and powerful tool for ischemic stroke studies; however, there are a few concerns that need to be addressed, including the lack of vascularization and the many cell types that are typically present in the human brain. The aim of this review is to discuss the potential of brain organoids as a novel model system for studying ischemic stroke, highlighting both the advantages and disadvantages in the use of this technology.
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Affiliation(s)
| | | | - Michele d’Angelo
- Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (C.G.); (V.C.)
| | - Annamaria Cimini
- Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (C.G.); (V.C.)
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15
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Saponjic J, Mejías R, Nikolovski N, Dragic M, Canak A, Papoutsopoulou S, Gürsoy-Özdemir Y, Fladmark KE, Ntavaroukas P, Bayar Muluk N, Zeljkovic Jovanovic M, Fontán-Lozano Á, Comi C, Marino F. Experimental Models to Study Immune Dysfunction in the Pathogenesis of Parkinson's Disease. Int J Mol Sci 2024; 25:4330. [PMID: 38673915 PMCID: PMC11050170 DOI: 10.3390/ijms25084330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 03/25/2024] [Accepted: 03/26/2024] [Indexed: 04/28/2024] Open
Abstract
Parkinson's disease (PD) is a chronic, age-related, progressive multisystem disease associated with neuroinflammation and immune dysfunction. This review discusses the methodological approaches used to study the changes in central and peripheral immunity in PD, the advantages and limitations of the techniques, and their applicability to humans. Although a single animal model cannot replicate all pathological features of the human disease, neuroinflammation is present in most animal models of PD and plays a critical role in understanding the involvement of the immune system (IS) in the pathogenesis of PD. The IS and its interactions with different cell types in the central nervous system (CNS) play an important role in the pathogenesis of PD. Even though culture models do not fully reflect the complexity of disease progression, they are limited in their ability to mimic long-term effects and need validation through in vivo studies. They are an indispensable tool for understanding the interplay between the IS and the pathogenesis of this disease. Understanding the immune-mediated mechanisms may lead to potential therapeutic targets for the treatment of PD. We believe that the development of methodological guidelines for experiments with animal models and PD patients is crucial to ensure the validity and consistency of the results.
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Affiliation(s)
- Jasna Saponjic
- Department of Neurobiology, Institute of Biological Research “Sinisa Stankovic”, National Institute of the Republic of Serbia, University of Belgrade, 11108 Belgrade, Serbia
| | - Rebeca Mejías
- Department of Physiology, School of Biology, University of Seville, 41012 Seville, Spain; (R.M.); (Á.F.-L.)
- Instituto de Biomedicina de Sevilla, IBiS, Hospital Universitario Virgen del Rocío, CSIC, Universidad de Sevilla, 41013 Seville, Spain
| | - Neda Nikolovski
- Department of Immunology, Institute for Biological Research “Siniša Stanković”, National Institute of the Republic of Serbia, University of Belgrade, 11108 Belgrade, Serbia;
| | - Milorad Dragic
- Laboratory for Neurobiology, Department for General Physiology and Biophysics, Faculty of Biology, University of Belgrade, 11000 Belgrade, Serbia; (M.D.); (M.Z.J.)
- Department of Molecular Biology and Endocrinology, Vinca Institute of Nuclear Sciences–National Institute of the Republic of Serbia, University of Belgrade, 11351 Belgrade, Serbia
| | - Asuman Canak
- Department of Medical Services and Techniques, Vocational School of Health Services, Recep Tayyip Erdogan University, Rize 53100, Turkey;
| | - Stamatia Papoutsopoulou
- Department of Biochemistry and Biotechnology, Faculty of Health Sciences, University of Thessaly, Biopolis, 41500 Larisa, Greece; (S.P.); (P.N.)
| | | | - Kari E. Fladmark
- Department of Biological Science, University of Bergen, 5020 Bergen, Norway;
| | - Panagiotis Ntavaroukas
- Department of Biochemistry and Biotechnology, Faculty of Health Sciences, University of Thessaly, Biopolis, 41500 Larisa, Greece; (S.P.); (P.N.)
| | - Nuray Bayar Muluk
- Department of Otorhinolaryngology, Faculty of Medicine, Kirikkale University, Kirikkale 71450, Turkey;
| | - Milica Zeljkovic Jovanovic
- Laboratory for Neurobiology, Department for General Physiology and Biophysics, Faculty of Biology, University of Belgrade, 11000 Belgrade, Serbia; (M.D.); (M.Z.J.)
| | - Ángela Fontán-Lozano
- Department of Physiology, School of Biology, University of Seville, 41012 Seville, Spain; (R.M.); (Á.F.-L.)
- Instituto de Biomedicina de Sevilla, IBiS, Hospital Universitario Virgen del Rocío, CSIC, Universidad de Sevilla, 41013 Seville, Spain
| | - Cristoforo Comi
- Neurology Unit, Department of Translational Medicine, S. Andrea Hospital, University of Piemonte Orientale, 13100 Vercelli, Italy;
| | - Franca Marino
- Center for Research in Medical Pharmacology, School of Medicine, University of Insubria, 21100 Varese, Italy;
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16
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Ramos A, Ishizuka K, Hayashida A, Namkung H, Hayes LN, Srivastava R, Zhang M, Kariya T, Elkins N, Palen T, Carloni E, Tsujimura T, Calva C, Ikemoto S, Rais R, Slusher BS, Niwa M, Saito A, Saitoh T, Takimoto E, Sawa A. Nuclear GAPDH in cortical microglia mediates cellular stress-induced cognitive inflexibility. Mol Psychiatry 2024:10.1038/s41380-024-02553-1. [PMID: 38615102 DOI: 10.1038/s41380-024-02553-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 03/12/2024] [Accepted: 04/05/2024] [Indexed: 04/15/2024]
Abstract
We report a mechanism that underlies stress-induced cognitive inflexibility at the molecular level. In a mouse model under subacute cellular stress in which deficits in rule shifting tasks were elicited, the nuclear glyceraldehyde dehydrogenase (N-GAPDH) cascade was activated specifically in microglia in the prelimbic cortex. The cognitive deficits were normalized with a pharmacological intervention with a compound (the RR compound) that selectively blocked the initiation of N-GAPDH cascade without affecting glycolytic activity. The normalization was also observed with a microglia-specific genetic intervention targeting the N-GAPDH cascade. At the mechanistic levels, the microglial secretion of High-Mobility Group Box (HMGB), which is known to bind with and regulate the NMDA-type glutamate receptors, was elevated. Consequently, the hyperactivation of the prelimbic layer 5 excitatory neurons, a neural substrate for cognitive inflexibility, was also observed. The upregulation of the microglial HMGB signaling and neuronal hyperactivation were normalized by the pharmacological and microglia-specific genetic interventions. Taken together, we show a pivotal role of cortical microglia and microglia-neuron interaction in stress-induced cognitive inflexibility. We underscore the N-GAPDH cascade in microglia, which causally mediates stress-induced cognitive alteration.
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Affiliation(s)
- Adriana Ramos
- Departments of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Koko Ishizuka
- Departments of Psychiatry, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Arisa Hayashida
- Departments of Psychiatry, Johns Hopkins University School of Medicine, Baltimore, MD, USA
- International Collaborative Research Administration, Juntendo University, Tokyo, Japan
| | - Ho Namkung
- Departments of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Lindsay N Hayes
- Departments of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Rupali Srivastava
- Departments of Psychiatry, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Manling Zhang
- Departments of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Taro Kariya
- Departments of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Noah Elkins
- Departments of Psychiatry, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Trexy Palen
- Departments of Psychiatry, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Elisa Carloni
- Departments of Psychiatry, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Tsuyoshi Tsujimura
- Departments of Psychiatry, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Coleman Calva
- Neurocircuitry of Motivation Section, National Institute on Drug Abuse, Baltimore, MD, USA
| | - Satoshi Ikemoto
- Neurocircuitry of Motivation Section, National Institute on Drug Abuse, Baltimore, MD, USA
| | - Rana Rais
- Departments of Pharmacology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
- Departments of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Barbara S Slusher
- Departments of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, USA
- Departments of Psychiatry, Johns Hopkins University School of Medicine, Baltimore, MD, USA
- Departments of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
- Departments of Pharmacology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
- Departments of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Minae Niwa
- Departments of Psychiatry, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Atsushi Saito
- Departments of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | | | - Eiki Takimoto
- Departments of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Akira Sawa
- Departments of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
- Departments of Psychiatry, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
- Departments of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
- Departments of Pharmacology, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
- Departments of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
- Department of Mental Health, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA.
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17
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Zhang S, Yu Q, Li Z, Zhao Y, Sun Y. Protein neddylation and its role in health and diseases. Signal Transduct Target Ther 2024; 9:85. [PMID: 38575611 PMCID: PMC10995212 DOI: 10.1038/s41392-024-01800-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 02/22/2024] [Accepted: 03/04/2024] [Indexed: 04/06/2024] Open
Abstract
NEDD8 (Neural precursor cell expressed developmentally downregulated protein 8) is an ubiquitin-like protein that is covalently attached to a lysine residue of a protein substrate through a process known as neddylation, catalyzed by the enzyme cascade, namely NEDD8 activating enzyme (E1), NEDD8 conjugating enzyme (E2), and NEDD8 ligase (E3). The substrates of neddylation are categorized into cullins and non-cullin proteins. Neddylation of cullins activates CRLs (cullin RING ligases), the largest family of E3 ligases, whereas neddylation of non-cullin substrates alters their stability and activity, as well as subcellular localization. Significantly, the neddylation pathway and/or many neddylation substrates are abnormally activated or over-expressed in various human diseases, such as metabolic disorders, liver dysfunction, neurodegenerative disorders, and cancers, among others. Thus, targeting neddylation becomes an attractive strategy for the treatment of these diseases. In this review, we first provide a general introduction on the neddylation cascade, its biochemical process and regulation, and the crystal structures of neddylation enzymes in complex with cullin substrates; then discuss how neddylation governs various key biological processes via the modification of cullins and non-cullin substrates. We further review the literature data on dysregulated neddylation in several human diseases, particularly cancer, followed by an outline of current efforts in the discovery of small molecule inhibitors of neddylation as a promising therapeutic approach. Finally, few perspectives were proposed for extensive future investigations.
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Affiliation(s)
- Shizhen Zhang
- Department of Breast Surgery, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310029, China
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310029, China
- Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, 310029, China
| | - Qing Yu
- Department of Thyroid Surgery, Zhejiang Cancer Hospital, Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou, 310022, China
- Key Laboratory of Head & Neck Cancer Translational Research of Zhejiang Province, Hangzhou, 310022, China
| | - Zhijian Li
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310029, China
- Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, 310029, China
| | - Yongchao Zhao
- Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, 310029, China.
- Department of Hepatobiliary and Pancreatic Surgery, Zhejiang University School of Medicine, Hangzhou, 310029, China.
- Zhejiang Provincial Key Laboratory of Pancreatic Disease, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310029, China.
- Zhejiang University Cancer Center, Hangzhou, 310029, China.
| | - Yi Sun
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310029, China.
- Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, 310029, China.
- Zhejiang University Cancer Center, Hangzhou, 310029, China.
- Leading Innovative and Entrepreneur Team Introduction Program of Zhejiang, Hangzhou, 310024, China.
- Research Center for Life Science and Human Health, Binjiang Institute of Zhejiang University, Hangzhou, 310053, China.
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18
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Bathe T, Hery GP, Villareal JAB, Phillips JL, Cohen EM, Sharma RV, Tsering W, Prokop S. Disease and brain region specific immune response profiles in neurodegenerative diseases with pure and mixed protein pathologies. Acta Neuropathol Commun 2024; 12:54. [PMID: 38581050 PMCID: PMC10996248 DOI: 10.1186/s40478-024-01770-7] [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: 03/29/2024] [Accepted: 04/01/2024] [Indexed: 04/07/2024] Open
Abstract
The disease-specific accumulation of pathological proteins has long been the major focus of research in neurodegenerative diseases (ND), including Alzheimer's disease (AD) and related dementias (RD), but the recent identification of a multitude of genetic risk factors for ND in immune-associated genes highlights the importance of immune processes in disease pathogenesis and progression. Studies in animal models have characterized the local immune response to disease-specific proteins in AD and ADRD, but due to the complexity of disease processes and the co-existence of multiple protein pathologies in human donor brains, the precise role of immune processes in ND is far from understood. To better characterize the interplay between different extracellular and intracellular protein pathologies and the brain's intrinsic immune system in ND, we set out to comprehensively profile the local immune response in postmortem brain samples of individuals with "pure" beta-Amyloid and tau pathology (AD), "pure" α-Synuclein pathology in Lewy body diseases (LBD), as well as cases with Alzheimer's disease neuropathological changes (ADNC) and Lewy body pathology (MIX). Combining immunohistochemical profiling of microglia and digital image analysis, along with deep immunophenotyping using gene expression profiling on the NanoString nCounter® platform and digital spatial profiling on the NanoString GeoMx® platform we identified a robust immune activation signature in AD brain samples. This signature is maintained in persons with mixed pathologies, irrespective of co-existence of AD pathology and Lewy body (LB) pathology, while LBD brain samples with "pure" LB pathology exhibit an attenuated and distinct immune signature. Our studies highlight disease- and brain region-specific immune response profiles to intracellular and extracellular protein pathologies and further underscore the complexity of neuroimmune interactions in ND.
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Affiliation(s)
- Tim Bathe
- Department of Pathology, Immunology & Laboratory Medicine, University of Florida, Gainesville, FL, 32610, USA
- Center for Translational Research in Neurodegenerative Disease, University of Florida, Gainesville, FL, 32610, USA
- McKnight Brain Institute, University of Florida, Gainesville, FL, 32610, USA
| | - Gabriela P Hery
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, Gainesville, FL, 32608, USA
| | - Jonathan A B Villareal
- Department of Pathology, Immunology & Laboratory Medicine, University of Florida, Gainesville, FL, 32610, USA
- Center for Translational Research in Neurodegenerative Disease, University of Florida, Gainesville, FL, 32610, USA
| | - Jennifer L Phillips
- Department of Pathology, Immunology & Laboratory Medicine, University of Florida, Gainesville, FL, 32610, USA
- Center for Translational Research in Neurodegenerative Disease, University of Florida, Gainesville, FL, 32610, USA
| | - Eric M Cohen
- J. Crayton Pruitt Family Department of Biomedical Engineering, Herbert Wertheim College of Engineering, University of Florida, Gainesville, FL, 32611, USA
| | - Rohan V Sharma
- Department of Pathology, Immunology & Laboratory Medicine, University of Florida, Gainesville, FL, 32610, USA
| | - Wangchen Tsering
- Department of Pathology, Immunology & Laboratory Medicine, University of Florida, Gainesville, FL, 32610, USA
- Center for Translational Research in Neurodegenerative Disease, University of Florida, Gainesville, FL, 32610, USA
- Department of Neuroscience, University of Florida, Gainesville, FL, 32610, USA
- McKnight Brain Institute, University of Florida, Gainesville, FL, 32610, USA
| | - Stefan Prokop
- Department of Pathology, Immunology & Laboratory Medicine, University of Florida, Gainesville, FL, 32610, USA.
- Center for Translational Research in Neurodegenerative Disease, University of Florida, Gainesville, FL, 32610, USA.
- Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, 32608, USA.
- McKnight Brain Institute, University of Florida, Gainesville, FL, 32610, USA.
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19
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Daudelin D, Westerhaus A, Zhang N, Leyder E, Savonenko A, Sockanathan S. Loss of GDE2 leads to complex behavioral changes including memory impairment. BEHAVIORAL AND BRAIN FUNCTIONS : BBF 2024; 20:7. [PMID: 38575965 PMCID: PMC10993612 DOI: 10.1186/s12993-024-00234-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Accepted: 03/26/2024] [Indexed: 04/06/2024]
Abstract
BACKGROUND Alzheimer's disease (AD) and amyotrophic lateral sclerosis/frontotemporal dementia (ALS/FTD) are debilitating neurodegenerative diseases for which there are currently no cures. Familial cases with known genetic causes make up less than 10% of these diseases, and little is known about the underlying mechanisms that contribute to sporadic disease. Accordingly, it is important to expand investigations into possible pathways that may contribute to disease pathophysiology. Glycerophosphodiester phosphodiesterase 2 (GDE2 or GDPD5) is a membrane-bound enzyme that acts at the cell surface to cleave the glycosylphosphatidylinositol (GPI)-anchor that tethers distinct proteins to the membrane. GDE2 abnormally accumulates in intracellular compartments in the brain of patients with AD, ALS, and ALS/FTD, indicative of GDE2 dysfunction. Mice lacking GDE2 (Gde2KO) show neurodegenerative changes such as neuronal loss, reduced synaptic proteins and synapse loss, and increased Aβ deposition, raising the possibility that GDE2 disruption in disease might contribute to disease pathophysiology. However, the effect of GDE2 loss on behavioral function and learning/memory has not been characterized. RESULTS Here, we show that GDE2 is expressed throughout the adult mouse brain in areas including the cortex, hippocampus, habenula, thalamus, and amygdala. Gde2KO and WT mice were tested in a set of behavioral tasks between 7 and 16 months of age. Compared to WT, Gde2KO mice display moderate hyperactivity that becomes more pronounced with age across a variety of behavioral tests assessing novelty-induced exploratory activity. Additionally, Gde2KO mice show reduced startle response, with females showing additional defects in prepulse inhibition. No changes in anxiety-associated behaviors were found, but Gde2KOs show reduced sociability. Notably, aged Gde2KO mice demonstrate impaired short/long-term spatial memory and cued fear memory/secondary contextual fear acquisition. CONCLUSIONS Taken together, these observations suggest that loss of GDE2 leads to behavioral deficits, some of which are seen in neurodegenerative disease models, implying that loss of GDE2 may be an important contributor to phenotypes associated with neurodegeneration.
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Affiliation(s)
- Daniel Daudelin
- The Solomon Snyder Department of Neuroscience, The Johns Hopkins School of Medicine, PCTB 1004, 725 N. Wolfe Street, Baltimore, MD, 21205, USA
| | - Anna Westerhaus
- The Solomon Snyder Department of Neuroscience, The Johns Hopkins School of Medicine, PCTB 1004, 725 N. Wolfe Street, Baltimore, MD, 21205, USA
| | - Nan Zhang
- The Solomon Snyder Department of Neuroscience, The Johns Hopkins School of Medicine, PCTB 1004, 725 N. Wolfe Street, Baltimore, MD, 21205, USA
| | - Erica Leyder
- Department of Pathology, The Johns Hopkins University School of Medicine, 558 Ross Research Building, 720 Rutland Avenue, Baltimore, MD, 21205, USA
- Molecular Microbiology and Immunology Graduate Program in Life Sciences, University of Maryland School of Medicine, 655 W. Baltimore St., Baltimore, MD, 21201, USA
| | - Alena Savonenko
- Department of Pathology, The Johns Hopkins University School of Medicine, 558 Ross Research Building, 720 Rutland Avenue, Baltimore, MD, 21205, USA.
- Sensory-Motor Neuroscience (SMN), Center for Scientific Review, ICN Review Branch, National Institutes of Health, 6701 Rockledge Drive, Suite 1010-F, Bethesda, MD, 20892 , USA.
| | - Shanthini Sockanathan
- The Solomon Snyder Department of Neuroscience, The Johns Hopkins School of Medicine, PCTB 1004, 725 N. Wolfe Street, Baltimore, MD, 21205, USA.
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20
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Giri PM, Banerjee A, Ghosal A, Layek B. Neuroinflammation in Neurodegenerative Disorders: Current Knowledge and Therapeutic Implications. Int J Mol Sci 2024; 25:3995. [PMID: 38612804 PMCID: PMC11011898 DOI: 10.3390/ijms25073995] [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: 03/06/2024] [Revised: 03/29/2024] [Accepted: 03/30/2024] [Indexed: 04/14/2024] Open
Abstract
Neurodegenerative disorders (NDs) have become increasingly common during the past three decades. Approximately 15% of the total population of the world is affected by some form of NDs, resulting in physical and cognitive disability. The most common NDs include Alzheimer's disease, Parkinson's disease, amyotrophic lateral sclerosis, and Huntington's disease. Although NDs are caused by a complex interaction of genetic, environmental, and lifestyle variables, neuroinflammation is known to be associated with all NDs, often leading to permanent damage to neurons of the central nervous system. Furthermore, numerous emerging pieces of evidence have demonstrated that inflammation not only supports the progression of NDs but can also serve as an initiator. Hence, various medicines capable of preventing or reducing neuroinflammation have been investigated as ND treatments. While anti-inflammatory medicine has shown promising benefits in several preclinical models, clinical outcomes are often questionable. In this review, we discuss various NDs with their current treatment strategies, the role of neuroinflammation in the pathophysiology of NDs, and the use of anti-inflammatory agents as a potential therapeutic option.
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Affiliation(s)
- Paras Mani Giri
- Department of Pharmaceutical Sciences, School of Pharmacy, College of Health and Human Sciences, North Dakota State University, Fargo, ND 58105, USA
| | - Anurag Banerjee
- Department of Pharmaceutical Sciences, School of Pharmacy, College of Health and Human Sciences, North Dakota State University, Fargo, ND 58105, USA
| | - Arpita Ghosal
- Department of Pharmaceutical Sciences, School of Pharmacy, College of Health and Human Sciences, North Dakota State University, Fargo, ND 58105, USA
| | - Buddhadev Layek
- Department of Pharmaceutical Sciences, School of Pharmacy, College of Health and Human Sciences, North Dakota State University, Fargo, ND 58105, USA
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21
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Murumulla L, Bandaru LJM, Challa S. Heavy Metal Mediated Progressive Degeneration and Its Noxious Effects on Brain Microenvironment. Biol Trace Elem Res 2024; 202:1411-1427. [PMID: 37462849 DOI: 10.1007/s12011-023-03778-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Accepted: 07/13/2023] [Indexed: 02/13/2024]
Abstract
Heavy metals, including lead (Pb), cadmium (Cd), arsenic (As), cobalt (Co), copper (Cu), manganese (Mn), zinc (Zn), and others, have a significant impact on the development and progression of neurodegenerative diseases in the human brain. This comprehensive review aims to consolidate the recent research on the harmful effects of different metals on specific brain cells such as neurons, microglia, astrocytes, and oligodendrocytes. Understanding the potential influence of these metals in neurodegeneration is crucial for effectively combating the ongoing advancement of these diseases. Metal-induced neurodegeneration involves molecular mechanisms such as apoptosis induction, dysregulation of metabolic and signaling pathways, metal imbalance, oxidative stress, loss of synaptic transmission, pathogenic peptide aggregation, and neuroinflammation. This review provides valuable insights by compiling the supportive evidence from recent research findings. Additionally, we briefly discuss the modes of action of natural neuroprotective compounds. While this comprehensive review aims to consolidate the recent research on the harmful effects of various metals on specific brain cells, it may not cover all studies and findings related to metal-induced neurodegeneration. Studies that are done using bioinformatics tools, microRNAs, long non-coding RNAs, emerging disease models, and studies based on the modes of exposure to toxic metals are a future prospect to be explored.
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Affiliation(s)
- Lokesh Murumulla
- Cell Biology Division, National Institute of Nutrition, Indian Council of Medical Research (ICMR), Hyderabad-500007, Hyderabad, Telangana, India
| | - Lakshmi Jaya Madhuri Bandaru
- Cell Biology Division, National Institute of Nutrition, Indian Council of Medical Research (ICMR), Hyderabad-500007, Hyderabad, Telangana, India
| | - Suresh Challa
- Cell Biology Division, National Institute of Nutrition, Indian Council of Medical Research (ICMR), Hyderabad-500007, Hyderabad, Telangana, India.
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22
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Giorgi C, Lombardozzi G, Ammannito F, Scenna MS, Maceroni E, Quintiliani M, d’Angelo M, Cimini A, Castelli V. Brain Organoids: A Game-Changer for Drug Testing. Pharmaceutics 2024; 16:443. [PMID: 38675104 PMCID: PMC11054008 DOI: 10.3390/pharmaceutics16040443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 03/12/2024] [Accepted: 03/20/2024] [Indexed: 04/28/2024] Open
Abstract
Neurological disorders are the second cause of death and the leading cause of disability worldwide. Unfortunately, no cure exists for these disorders, but the actual therapies are only able to ameliorate people's quality of life. Thus, there is an urgent need to test potential therapeutic approaches. Brain organoids are a possible valuable tool in the study of the brain, due to their ability to reproduce different brain regions and maturation stages; they can be used also as a tool for disease modelling and target identification of neurological disorders. Recently, brain organoids have been used in drug-screening processes, even if there are several limitations to overcome. This review focuses on the description of brain organoid development and drug-screening processes, discussing the advantages, challenges, and limitations of the use of organoids in modeling neurological diseases. We also highlighted the potential of testing novel therapeutic approaches. Finally, we examine the challenges and future directions to improve the drug-screening process.
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Affiliation(s)
| | | | | | | | | | | | | | - Annamaria Cimini
- Department of Life, Health and Environmental Science, University of L’Aquila, 67100 L’Aquila, Italy; (C.G.); (G.L.); (F.A.); (M.S.S.); (E.M.); (M.Q.); (M.d.)
| | - Vanessa Castelli
- Department of Life, Health and Environmental Science, University of L’Aquila, 67100 L’Aquila, Italy; (C.G.); (G.L.); (F.A.); (M.S.S.); (E.M.); (M.Q.); (M.d.)
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23
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Danner B, Gonzalez AD, Corbett WC, Alhneif M, Etemadmoghadam S, Parker-Garza J, Flanagan ME. Brain banking in the United States and Europe: Importance, challenges, and future trends. J Neuropathol Exp Neurol 2024; 83:219-229. [PMID: 38506125 PMCID: PMC10951968 DOI: 10.1093/jnen/nlae014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/21/2024] Open
Abstract
In recent years, brain banks have become valuable resources for examining the molecular underpinnings of various neurological and psychological disorders including Alzheimer disease and Parkinson disease. However, the availability of brain tissue has significantly declined. Proper collection, preparation, and preservation of postmortem autopsy tissue are essential for optimal downstream brain tissue distribution and experimentation. Collaborations between brain banks through larger networks such as NeuroBioBank with centralized sample request mechanisms promote tissue distribution where brain donations are disproportionately lower. Collaborations between brain banking networks also help to standardize the brain donation and sample preparation processes, ensuring proper distribution and experimentation. Ethical brain donation and thorough processing enhances the responsible conduct of scientific studies. Education and outreach programs that foster collaboration between hospitals, nursing homes, neuropathologists, and other research scientists help to alleviate concerns among potential brain donors. Furthermore, ensuring that biorepositories accurately reflect the true demographics of communities will result in research data that reliably represent populations. Implementing these measures will grant scientists improved access to brain tissue, facilitating a deeper understanding of the neurological diseases that impact millions.
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Affiliation(s)
- Benjamin Danner
- Biggs Institute, University of Texas Health Science Center San Antonio, San Antonio, Texas, USA
| | - Angelique D Gonzalez
- Biggs Institute, University of Texas Health Science Center San Antonio, San Antonio, Texas, USA
| | - William Cole Corbett
- Biggs Institute, University of Texas Health Science Center San Antonio, San Antonio, Texas, USA
| | - Mohammad Alhneif
- Biggs Institute, University of Texas Health Science Center San Antonio, San Antonio, Texas, USA
| | - Shahroo Etemadmoghadam
- Biggs Institute, University of Texas Health Science Center San Antonio, San Antonio, Texas, USA
| | - Julie Parker-Garza
- Biggs Institute, University of Texas Health Science Center San Antonio, San Antonio, Texas, USA
| | - Margaret E Flanagan
- Biggs Institute, University of Texas Health Science Center San Antonio, San Antonio, Texas, USA
- Department of Pathology, University of Texas Health Science Center San Antonio, San Antonio, Texas, USA
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24
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Chen XS, Han R, Liu YT, Huang W, Wang Q, Xiong X, Zhang Y, Zhao JG, Li SH, Li XJ, Yang WL. Comparative analysis of primate and pig cells reveals primate-specific PINK1 expression and phosphorylation. Zool Res 2024; 45:242-252. [PMID: 38287905 PMCID: PMC11017073 DOI: 10.24272/j.issn.2095-8137.2023.241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Accepted: 09/12/2023] [Indexed: 01/31/2024] Open
Abstract
PTEN-induced putative kinase 1 (PINK1), a mitochondrial kinase that phosphorylates Parkin and other proteins, plays a crucial role in mitophagy and protection against neurodegeneration. Mutations in PINK1 and Parkin can lead to loss of function and early onset Parkinson's disease. However, there is a lack of strong in vivo evidence in rodent models to support the theory that loss of PINK1 affects mitophagy and induces neurodegeneration. Additionally, PINK1 knockout pigs ( Sus scrofa) do not appear to exhibit neurodegeneration. In our recent work involving non-human primates, we found that PINK1 is selectively expressed in primate brains, while absent in rodent brains. To extend this to other species, we used multiple antibodies to examine the expression of PINK1 in pig tissues. In contrast to tissues from cynomolgus monkeys ( Macaca fascicularis), our data did not convincingly demonstrate detectable PINK1 expression in pig tissues. Knockdown of PINK1 in cultured pig cells did not result in altered Parkin and BAD phosphorylation, as observed in cultured monkey cells. A comparison of monkey and pig striatum revealed more PINK1-phosphorylated substrates in the monkey brain. Consistently, PINK1 knockout in pigs did not lead to obvious changes in the phosphorylation of Parkin and BAD. These findings provide new evidence that PINK1 expression is specific to primates, underscoring the importance of non-human primates in investigating PINK1 function and pathology related to PINK1 deficiency.
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Affiliation(s)
- Xiu-Sheng Chen
- Guangdong Key Laboratory of Non-human Primate Research, Key Laboratory of CNS Regeneration (Ministry of Education), GHM Institute of CNS Regeneration, Jinan University, Guangzhou, Guangdong 510632, China
| | - Rui Han
- Guangdong Key Laboratory of Non-human Primate Research, Key Laboratory of CNS Regeneration (Ministry of Education), GHM Institute of CNS Regeneration, Jinan University, Guangzhou, Guangdong 510632, China
| | - Yan-Ting Liu
- Guangdong Key Laboratory of Non-human Primate Research, Key Laboratory of CNS Regeneration (Ministry of Education), GHM Institute of CNS Regeneration, Jinan University, Guangzhou, Guangdong 510632, China
| | - Wei Huang
- Guangdong Key Laboratory of Non-human Primate Research, Key Laboratory of CNS Regeneration (Ministry of Education), GHM Institute of CNS Regeneration, Jinan University, Guangzhou, Guangdong 510632, China
| | - Qi Wang
- Guangdong Key Laboratory of Non-human Primate Research, Key Laboratory of CNS Regeneration (Ministry of Education), GHM Institute of CNS Regeneration, Jinan University, Guangzhou, Guangdong 510632, China
| | - Xin Xiong
- Guangdong Key Laboratory of Non-human Primate Research, Key Laboratory of CNS Regeneration (Ministry of Education), GHM Institute of CNS Regeneration, Jinan University, Guangzhou, Guangdong 510632, China
| | - Ying Zhang
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
- Beijing Institute for Stem Cell and Regenerative Medicine, Beijing 100101, China
| | - Jian-Guo Zhao
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
- Beijing Institute for Stem Cell and Regenerative Medicine, Beijing 100101, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Shi-Hua Li
- Guangdong Key Laboratory of Non-human Primate Research, Key Laboratory of CNS Regeneration (Ministry of Education), GHM Institute of CNS Regeneration, Jinan University, Guangzhou, Guangdong 510632, China
| | - Xiao-Jiang Li
- Guangdong Key Laboratory of Non-human Primate Research, Key Laboratory of CNS Regeneration (Ministry of Education), GHM Institute of CNS Regeneration, Jinan University, Guangzhou, Guangdong 510632, China
| | - Wei-Li Yang
- Guangdong Key Laboratory of Non-human Primate Research, Key Laboratory of CNS Regeneration (Ministry of Education), GHM Institute of CNS Regeneration, Jinan University, Guangzhou, Guangdong 510632, China. E-mail:
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25
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Neha, Mazahir I, Khan SA, Kaushik P, Parvez S. The Interplay of Mitochondrial Bioenergetics and Dopamine Agonists as an Effective Disease-Modifying Therapy for Parkinson's Disease. Mol Neurobiol 2024:10.1007/s12035-024-04078-8. [PMID: 38468113 DOI: 10.1007/s12035-024-04078-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Accepted: 02/28/2024] [Indexed: 03/13/2024]
Abstract
Parkinson's disease (PD) is a progressive neurological ailment with a slower rate of advancement that is more common in older adults. The biggest risk factor for PD is getting older, and those over 60 have an exponentially higher incidence of this condition. The failure of the mitochondrial electron chain, changes in the dynamics of the mitochondria, and abnormalities in calcium and ion homeostasis are all symptoms of Parkinson's disease (PD). Increased mitochondrial reactive oxygen species (mROS) and an energy deficit are linked to these alterations. Levodopa (L-DOPA) is a medication that is typically used to treat most PD patients, but because of its negative effects, additional medications have been created utilizing L-DOPA as the parent molecule. Ergot and non-ergot derivatives make up most PD medications. PD is successfully managed with the use of dopamine agonists (DA). To get around the motor issues produced by L-DOPA, these dopamine derivatives can directly excite DA receptors in the postsynaptic membrane. In the past 10 years, two non-ergoline DA with strong binding properties for the dopamine D2 receptor (D2R) and a preference for the dopamine D3 receptor (D3R) subtype, ropinirole, and pramipexole (PPx) have been developed for the treatment of PD. This review covers the most recent research on the efficacy and safety of non-ergot drugs like ropinirole and PPx as supplementary therapy to DOPA for the treatment of PD.
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Affiliation(s)
- Neha
- Department of Toxicology, School of Chemical & Life Sciences, Jamia Hamdard, New Delhi, 110062, India
| | - Iqra Mazahir
- Department of Toxicology, School of Chemical & Life Sciences, Jamia Hamdard, New Delhi, 110062, India
| | - Sara Akhtar Khan
- Department of Toxicology, School of Chemical & Life Sciences, Jamia Hamdard, New Delhi, 110062, India
| | - Pooja Kaushik
- Department of Toxicology, School of Chemical & Life Sciences, Jamia Hamdard, New Delhi, 110062, India.
| | - Suhel Parvez
- Department of Toxicology, School of Chemical & Life Sciences, Jamia Hamdard, New Delhi, 110062, India.
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26
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Huang X, Huang S, Fu F, Song J, Zhang Y, Yue F. Characterization of preclinical Alzheimer's disease model: spontaneous type 2 diabetic cynomolgus monkeys with systemic pro-inflammation, positive biomarkers and developing AD-like pathology. Alzheimers Res Ther 2024; 16:52. [PMID: 38459540 PMCID: PMC10921774 DOI: 10.1186/s13195-024-01416-9] [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: 11/22/2023] [Accepted: 02/19/2024] [Indexed: 03/10/2024]
Abstract
BACKGROUND The key to the prevention and treatment of Alzheimer's disease (AD) is to be able to predict and diagnose AD at the preclinical or early stage, but the lack of a preclinical model of AD is the critical factor that causes this problem to remain unresolved. METHODS We assessed 18 monkeys in vivo evaluation of pro-inflammatory cytokines and AD pathological biomarkers (n = 9 / type 2 diabetic mellitus (T2DM) group, age 20, fasting plasma glucose (FPG) ≥ 100 mg/dL, and n = 9 / negative control (NC) group, age 17, FPG < 100 mg/dL). Levels of pro-inflammatory cytokines and AD pathological biomarkers was measured by ELISA and Simoa Technology, respectively. 9 monkeys evaluated ex vivo for AD-like pathology (n = 6 / T2DM group, age 22.17, FPG ≥ 126 mg/dL, and n = 3 / NC group, age 14.67, FPG < 100 mg/dL). To evaluate the pathological features of AD in the brains of T2DM monkeys, we assessed the levels of Aβ, phospho-tau, and neuroinflammation using immunohistochemistry, which further confirmed the deposition of Aβ plaques by Bielschowsky's silver, Congo red, and Thioflavin S staining. Synaptic damage and neurodegeneration were assessed by immunofluorescence. RESULTS We found not only increased levels of pro-inflammatory cytokines such as tumor necrosis factor-α (TNF-α) in peripheral blood (PB) and brain of T2DM monkeys but also changes in PB of AD pathological biomarkers such as decreased β-amyloid (Aβ) 42 and Aβ40 levels. Most notably, we observed AD-like pathological features in the brain of T2DM monkeys, including Aβ plaque deposition, p-tau from neuropil thread to pre-neurofibrillary tangles (NFTs), and even the appearance of extracellular NFT. Microglia were activated from a resting state to an amoeboid. Astrocytes showed marked hypertrophy and an increased number of cell bodies and protrusions. Finally, we observed impairment of the postsynaptic membrane but no neurodegeneration or neuronal death. CONCLUSIONS Overall, T2DM monkeys showed elevated levels of peripheral and intracerebral inflammation, positive AD biomarkers in body fluids, and developing AD-like pathology in the brain, including Aβ and tau pathology, glial cell activation, and partial synaptic damage, but no neuronal degeneration or death as compared to the healthy normal group. Hereby, we consider the T2DM monkeys with elevation of the peripheral pro-inflammatory factors and positive AD biomarkers can be potentially regarded as a preclinical AD model.
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Affiliation(s)
- Xinxin Huang
- State Key Laboratory of Digital Medical Engineering, School of Biomedical Engineering, Hainan University, Sanya, 572025, China
- Collaborative Innovation Center of One Health, Hainan University, Hainan University, Haikou, 570228, China
| | - Shanshan Huang
- State Key Laboratory of Digital Medical Engineering, School of Biomedical Engineering, Hainan University, Sanya, 572025, China
- Collaborative Innovation Center of One Health, Hainan University, Hainan University, Haikou, 570228, China
| | - Fangyan Fu
- State Key Laboratory of Digital Medical Engineering, School of Biomedical Engineering, Hainan University, Sanya, 572025, China
- Collaborative Innovation Center of One Health, Hainan University, Hainan University, Haikou, 570228, China
| | - Junzhen Song
- State Key Laboratory of Digital Medical Engineering, School of Biomedical Engineering, Hainan University, Sanya, 572025, China
- Collaborative Innovation Center of One Health, Hainan University, Hainan University, Haikou, 570228, China
| | - Yuling Zhang
- State Key Laboratory of Digital Medical Engineering, School of Biomedical Engineering, Hainan University, Sanya, 572025, China
- Collaborative Innovation Center of One Health, Hainan University, Hainan University, Haikou, 570228, China
| | - Feng Yue
- State Key Laboratory of Digital Medical Engineering, School of Biomedical Engineering, Hainan University, Sanya, 572025, China.
- Collaborative Innovation Center of One Health, Hainan University, Hainan University, Haikou, 570228, China.
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da Silva AAF, Fiadeiro MB, Bernardino LI, Fonseca CSP, Baltazar GMF, Cristóvão ACB. "Lipopolysaccharide-induced animal models for neuroinflammation - An overview.". J Neuroimmunol 2024; 387:578273. [PMID: 38183948 DOI: 10.1016/j.jneuroim.2023.578273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 11/07/2023] [Accepted: 11/29/2023] [Indexed: 01/08/2024]
Abstract
Neuroinflammation is a pathological mechanism contributing to neurodegenerative diseases. For in-depth studies of neuroinflammation, several animal models reported reproducing behavioral dysfunctions and cellular pathological mechanisms induced by brain inflammation. One of the most popular models of neuroinflammation is the one generated by lipopolysaccharide exposure. Despite its importance, the reported results using this model show high heterogeneity, making it difficult to analyze and compare the outcomes between studies. Therefore, the current review aims to summarize the different experimental paradigms used to reproduce neuroinflammation by lipopolysaccharide exposure and its respective outcomes, helping to choose the model that better suits each specific research aim.
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Affiliation(s)
- Ana Alexandra Flores da Silva
- CICS-UBI - Health Sciences Research Center, University of Beira Interior, Covilhã, Portugal; NeuroSoV/Fastprinciple-Lda, UBIMedical, Universidade da Beira Interior, Covilhã, Portugal
| | - Mariana Bernardo Fiadeiro
- CICS-UBI - Health Sciences Research Center, University of Beira Interior, Covilhã, Portugal; NeuroSoV/Fastprinciple-Lda, UBIMedical, Universidade da Beira Interior, Covilhã, Portugal
| | | | | | | | - Ana Clara Braz Cristóvão
- CICS-UBI - Health Sciences Research Center, University of Beira Interior, Covilhã, Portugal; NeuroSoV/Fastprinciple-Lda, UBIMedical, Universidade da Beira Interior, Covilhã, Portugal.
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28
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Uggerud IM, Kråkenes T, Hirai H, Vedeler CA, Schubert M. Development and Optimization of a Multilayer Rat Purkinje Neuron Culture. CEREBELLUM (LONDON, ENGLAND) 2024; 23:101-111. [PMID: 36626013 PMCID: PMC10864459 DOI: 10.1007/s12311-022-01510-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 12/28/2022] [Indexed: 01/11/2023]
Abstract
Elucidation of the mechanisms involved in neurodegenerative diseases of the cerebellum has been hampered by the lack of robust single cell models to study Purkinje neurons and replicate at the same time in vivo features. Cerebellar Purkinje neurons are difficult to grow in dispersed cell culture, and only limited work has been done using rat cells. We developed a refined protocol for growing rat Purkinje neurons from embryonic and postnatal tissue ex vivo that results in well-developed, mature, functional, and synaptically active neurons. The rat Purkinje neurons generated are responsive to paracrine factors and genetic manipulation, allowing great experimental flexibility at the single-cell level. This ex vivo model can be used to investigate disease mechanisms that disturb Purkinje neuron morphology, function, and communication in high- and low-throughput screening formats.
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Affiliation(s)
- Ida Margrethe Uggerud
- Department of Neurology, Haukeland University Hospital, 5021, Bergen, Norway
- Department of Clinical Medicine (K1), University of Bergen, 5021, Bergen, Norway
| | - Torbjørn Kråkenes
- Department of Clinical Medicine (K1), University of Bergen, 5021, Bergen, Norway
| | - Hirokazu Hirai
- Department of Neurophysiology &, Neural Repair, Gunma University Graduate School of Medicine, Maebashi, Gunma, 371-8511, Japan
| | - Christian Alexander Vedeler
- Department of Neurology, Haukeland University Hospital, 5021, Bergen, Norway
- Department of Clinical Medicine (K1), University of Bergen, 5021, Bergen, Norway
- Neuro-SysMed - Centre of Excellence for Experimental Therapy in Neurology, Departments of Neurology and Clinical Medicine, 5021, Bergen, Norway
| | - Manja Schubert
- Department of Neurology, Haukeland University Hospital, 5021, Bergen, Norway.
- Institute of Anatomy, Faculty of Medicine Carl Gustav Carus, 01307, Dresden, Germany.
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29
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Gammie SC, Messing A, Hill MA, Kelm-Nelson CA, Hagemann TL. Large-scale gene expression changes in APP/PSEN1 and GFAP mutation models exhibit high congruence with Alzheimer's disease. PLoS One 2024; 19:e0291995. [PMID: 38236817 PMCID: PMC10796008 DOI: 10.1371/journal.pone.0291995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Accepted: 09/10/2023] [Indexed: 01/22/2024] Open
Abstract
Alzheimer's disease (AD) is a complex neurodegenerative disorder with both genetic and non-genetic causes. Animal research models are available for a multitude of diseases and conditions affecting the central nervous system (CNS), and large-scale CNS gene expression data exist for many of these. Although there are several models specifically for AD, each recapitulates different aspects of the human disease. In this study we evaluate over 500 animal models to identify those with CNS gene expression patterns matching human AD datasets. Approaches included a hypergeometric based scoring system that rewards congruent gene expression patterns but penalizes discordant gene expression patterns. The top two models identified were APP/PS1 transgenic mice expressing mutant APP and PSEN1, and mice carrying a GFAP mutation that is causative of Alexander disease, a primary disorder of astrocytes in the CNS. The APP/PS1 and GFAP models both matched over 500 genes moving in the same direction as in human AD, and both had elevated GFAP expression and were highly congruent with one another. Also scoring highly were the 5XFAD model (with five mutations in APP and PSEN1) and mice carrying CK-p25, APP, and MAPT mutations. Animals with the APOE3 and 4 mutations combined with traumatic brain injury ranked highly. Bulbectomized rats scored high, suggesting anosmia could be causative of AD-like gene expression. Other matching models included the SOD1G93A strain and knockouts for SNORD116 (Prader-Willi mutation), GRID2, INSM1, XBP1, and CSTB. Many top models demonstrated increased expression of GFAP, and results were similar across multiple human AD datasets. Heatmap and Uniform Manifold Approximation Plot results were consistent with hypergeometric ranking. Finally, some gene manipulation models, including for TYROBP and ATG7, were identified with reversed AD patterns, suggesting possible neuroprotective effects. This study provides insight for the pathobiology of AD and the potential utility of available animal models.
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Affiliation(s)
- Stephen C. Gammie
- Department of Integrative Biology, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
| | - Albee Messing
- Department of Comparative Biosciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
- Waisman Center, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
| | - Mason A. Hill
- Department of Integrative Biology, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
| | - Cynthia A. Kelm-Nelson
- Department of Surgery, Division of Otolaryngology-Head and Neck Surgery, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
| | - Tracy L. Hagemann
- Waisman Center, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
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30
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Chen Y, Fernandez Z, Scheel N, Gifani M, Zhu DC, Counts SE, Dorrance AM, Razansky D, Yu X, Qian W, Qian C. Novel inductively coupled ear-bars (ICEs) to enhance restored fMRI signal from susceptibility compensation in rats. Cereb Cortex 2024; 34:bhad479. [PMID: 38100332 PMCID: PMC10793587 DOI: 10.1093/cercor/bhad479] [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: 08/17/2023] [Revised: 11/20/2023] [Accepted: 11/21/2023] [Indexed: 12/17/2023] Open
Abstract
Functional magnetic resonance imaging faces inherent challenges when applied to deep-brain areas in rodents, e.g. entorhinal cortex, due to the signal loss near the ear cavities induced by susceptibility artifacts and reduced sensitivity induced by the long distance from the surface array coil. Given the pivotal roles of deep brain regions in various diseases, optimized imaging techniques are needed. To mitigate susceptibility-induced signal losses, we introduced baby cream into the middle ear. To enhance the detection sensitivity of deep brain regions, we implemented inductively coupled ear-bars, resulting in approximately a 2-fold increase in sensitivity in entorhinal cortex. Notably, the inductively coupled ear-bar can be seamlessly integrated as an add-on device, without necessitating modifications to the scanner interface. To underscore the versatility of inductively coupled ear-bars, we conducted echo-planner imaging-based task functional magnetic resonance imaging in rats modeling Alzheimer's disease. As a proof of concept, we also demonstrated resting-state-functional magnetic resonance imaging connectivity maps originating from the left entorhinal cortex-a central hub for memory and navigation networks-to amygdala hippocampal area, Insular Cortex, Prelimbic Systems, Cingulate Cortex, Secondary Visual Cortex, and Motor Cortex. This work demonstrates an optimized procedure for acquiring large-scale networks emanating from a previously challenging seed region by conventional magnetic resonance imaging detectors, thereby facilitating improved observation of functional magnetic resonance imaging outcomes.
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Affiliation(s)
- Yi Chen
- Department of High-field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Tuebingen 72076, Germany
- Department of Radiology and Cognitive Imaging Research Center, Michigan State University, East Lansing, MI 48824, United States
| | - Zachary Fernandez
- Department of Radiology and Cognitive Imaging Research Center, Michigan State University, East Lansing, MI 48824, United States
- Neuroscience Program, Michigan State University, East Lansing, MI 48824, United States
| | - Norman Scheel
- Department of Radiology and Cognitive Imaging Research Center, Michigan State University, East Lansing, MI 48824, United States
| | - Mahsa Gifani
- Department of Translational Neuroscience, Michigan State University, Grand Rapids, MI 49503, United States
| | - David C Zhu
- Department of Radiology and Cognitive Imaging Research Center, Michigan State University, East Lansing, MI 48824, United States
- Neuroscience Program, Michigan State University, East Lansing, MI 48824, United States
| | - Scott E Counts
- Neuroscience Program, Michigan State University, East Lansing, MI 48824, United States
- Department of Translational Neuroscience, Michigan State University, Grand Rapids, MI 49503, United States
- Department of Family Medicine, Michigan State University, Grand Rapids, MI 49503, United States
- Department of Hauenstein Neurosciences Center, Mercy Health Saint Mary’s Hospital, Grand Rapids, MI 49508, United States
- Michigan Alzheimer’s Disease Research Center, Ann Arbor, MI 48105, United States
| | - Anne M Dorrance
- Neuroscience Program, Michigan State University, East Lansing, MI 48824, United States
- Department of Pharmacology and Toxicology, Michigan State University, East Lansing, MI 48824, United States
| | - Daniel Razansky
- Institute of Pharmacology and Toxicology and Institute for Biomedical Engineering, Faculty of Medicine, University of Zurich, Zurich 8006, Switzerland
- Department of Information Technology and Electrical Engineering, ETH Zurich, Institute for Biomedical Engineering, , Zurich 8092, Switzerland
- Zurich Neuroscience Center, Zurich 8057, Switzerland
| | - Xin Yu
- Martinos Center for Biomedical Imaging, Massachusetts General Hospital and Harvard Medical School, Charlestown, MA 02114, United States
| | - Wei Qian
- Department of Electrical and Computer Engineering, Michigan State University, East Lansing, MI 48824, United States
| | - Chunqi Qian
- Department of Radiology and Cognitive Imaging Research Center, Michigan State University, East Lansing, MI 48824, United States
- Department of Electrical and Computer Engineering, Michigan State University, East Lansing, MI 48824, United States
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Bai Y, Camargo CM, Glasauer SMK, Gifford R, Tian X, Longhini AP, Kosik KS. Single-cell mapping of lipid metabolites using an infrared probe in human-derived model systems. Nat Commun 2024; 15:350. [PMID: 38191490 PMCID: PMC10774263 DOI: 10.1038/s41467-023-44675-0] [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: 04/03/2023] [Accepted: 12/20/2023] [Indexed: 01/10/2024] Open
Abstract
Understanding metabolic heterogeneity is the key to uncovering the underlying mechanisms of metabolic-related diseases. Current metabolic imaging studies suffer from limitations including low resolution and specificity, and the model systems utilized often lack human relevance. Here, we present a single-cell metabolic imaging platform to enable direct imaging of lipid metabolism with high specificity in various human-derived 2D and 3D culture systems. Through the incorporation of an azide-tagged infrared probe, selective detection of newly synthesized lipids in cells and tissue became possible, while simultaneous fluorescence imaging enabled cell-type identification in complex tissues. In proof-of-concept experiments, newly synthesized lipids were directly visualized in human-relevant model systems among different cell types, mutation status, differentiation stages, and over time. We identified upregulated lipid metabolism in progranulin-knockdown human induced pluripotent stem cells and in their differentiated microglia cells. Furthermore, we observed that neurons in brain organoids exhibited a significantly lower lipid metabolism compared to astrocytes.
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Affiliation(s)
- Yeran Bai
- Neuroscience Research Institute, Department of Molecular, Cellular, and Developmental Biology, University of California, Santa Barbara, CA, USA.
- Photothermal Spectroscopy Corp., Santa Barbara, CA, USA.
| | - Carolina M Camargo
- Neuroscience Research Institute, Department of Molecular, Cellular, and Developmental Biology, University of California, Santa Barbara, CA, USA
| | - Stella M K Glasauer
- Neuroscience Research Institute, Department of Molecular, Cellular, and Developmental Biology, University of California, Santa Barbara, CA, USA
| | - Raymond Gifford
- Neuroscience Research Institute, Department of Molecular, Cellular, and Developmental Biology, University of California, Santa Barbara, CA, USA
| | - Xinran Tian
- Neuroscience Research Institute, Department of Molecular, Cellular, and Developmental Biology, University of California, Santa Barbara, CA, USA
| | - Andrew P Longhini
- Neuroscience Research Institute, Department of Molecular, Cellular, and Developmental Biology, University of California, Santa Barbara, CA, USA
| | - Kenneth S Kosik
- Neuroscience Research Institute, Department of Molecular, Cellular, and Developmental Biology, University of California, Santa Barbara, CA, USA.
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32
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Thakkar H, Chatterjee S, Saxena P, Eerla R, Wagh S, Khairnar A, Shah RP. Cell-Engineered Recombinant α-Synuclein: A Gage R&R Validated Protocol. J Proteome Res 2024; 23:16-24. [PMID: 37985371 DOI: 10.1021/acs.jproteome.3c00190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2023]
Abstract
α-Synuclein (α-Syn) misfolding and its presence in Lewy bodies are observed in almost all Parkinson's disease (PD) patients. Basic biomedical research would benefit from a quick, low-cost approach to purifying α-Syn and developing in vitro and in vivo models for PD. Several research groups utilize PFF-based models, yet the production of α-Syn PFFs is inconsistent, resulting in nonconclusive findings. Some research laboratories prepare recombinant α-Syn (r α-Syn) by molecular cloning to overexpress α-Syn with various purifying techniques. Laboratory-to-laboratory protocols cause considerable variability and sometimes contradictory findings. PD researchers spend more on protein than solving α-Syn's riddles. This article uncovered a novel method for expressing and purifying r α-Syn validated through gage reproducibility and repeatability (Gage R&R). For the production of r α-Syn, we have employed the ability of a high-cell-density-based expression system to overexpress protein in BL21(DE3). A simple, high-throughput, nonchromatographical purification protocol has been devised to facilitate research with higher reproducibility, which was validated through Gage R&R. A crossover experimental design was utilized, and the purified protein was characterized using orthogonal high-end analytical methods, which displayed higher similarity between the isolated r α-Syn. Batch-to-batch variability was the least for produced protein and hence can be utilized for exploring the iceberg of PD.
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Affiliation(s)
- Harsh Thakkar
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research─Ahmedabad (NIPER-A), Opposite Air force Station Palaj, Gandhinagar 382355, Gujarat India
| | - Sayan Chatterjee
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research─Ahmedabad (NIPER-A), Opposite Air force Station Palaj, Gandhinagar 382355, Gujarat India
| | - Purvi Saxena
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research─Ahmedabad (NIPER-A), Opposite Air force Station Palaj, Gandhinagar 382355, Gujarat India
| | - Rameswari Eerla
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research─Ahmedabad (NIPER-A), Opposite Air force Station Palaj, Gandhinagar 382355, Gujarat India
| | - Sachin Wagh
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research─Ahmedabad (NIPER-A), Opposite Air force Station Palaj, Gandhinagar 382355, Gujarat India
| | - Amit Khairnar
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research─Ahmedabad (NIPER-A), Opposite Air force Station Palaj, Gandhinagar 382355, Gujarat India
| | - Ravi P Shah
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research─Ahmedabad (NIPER-A), Opposite Air force Station Palaj, Gandhinagar 382355, Gujarat India
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33
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Dai S, Qiu L, Veeraraghavan VP, Sheu CL, Mony U. Advances in iPSC Technology in Neural Disease Modeling, Drug Screening, and Therapy. Curr Stem Cell Res Ther 2024; 19:809-819. [PMID: 37291782 DOI: 10.2174/1574888x18666230608105703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 04/16/2023] [Accepted: 05/11/2023] [Indexed: 06/10/2023]
Abstract
Neurodegenerative disorders (NDs) including Alzheimer's Disease, Parkinson's Disease, Amyotrophic Lateral Sclerosis (ALS), and Huntington's disease are all incurable and can only be managed with drugs for the associated symptoms. Animal models of human illnesses help to advance our understanding of the pathogenic processes of diseases. Understanding the pathogenesis as well as drug screening using appropriate disease models of neurodegenerative diseases (NDs) are vital for identifying novel therapies. Human-derived induced pluripotent stem cell (iPSC) models can be an efficient model to create disease in a dish and thereby can proceed with drug screening and identifying appropriate drugs. This technology has many benefits, including efficient reprogramming and regeneration potential, multidirectional differentiation, and the lack of ethical concerns, which open up new avenues for studying neurological illnesses in greater depth. The review mainly focuses on the use of iPSC technology in neuronal disease modeling, drug screening, and cell therapy.
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Affiliation(s)
- Sihan Dai
- Department of Biomedical Engineering, Shantou University, Shantou, 515063, China
| | - Linhui Qiu
- Department of Biomedical Engineering, Shantou University, Shantou, 515063, China
| | - Vishnu Priya Veeraraghavan
- Centre of Molecular Medicine and Diagnostics (COMManD), Department of Biochemistry, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, 600077, India
| | - Chia-Lin Sheu
- Department of Biomedical Engineering, Shantou University, Shantou, 515063, China
| | - Ullas Mony
- Centre of Molecular Medicine and Diagnostics (COMManD), Department of Biochemistry, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, 600077, India
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34
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Boyton I, Valenzuela SM, Collins-Praino LE, Care A. Neuronanomedicine for Alzheimer's and Parkinson's disease: Current progress and a guide to improve clinical translation. Brain Behav Immun 2024; 115:631-651. [PMID: 37967664 DOI: 10.1016/j.bbi.2023.11.004] [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: 03/26/2023] [Revised: 09/19/2023] [Accepted: 11/08/2023] [Indexed: 11/17/2023] Open
Abstract
Neuronanomedicine is an emerging multidisciplinary field that aims to create innovative nanotechnologies to treat major neurodegenerative disorders, such as Alzheimer's (AD) and Parkinson's disease (PD). A key component of neuronanomedicine are nanoparticles, which can improve drug properties and demonstrate enhanced safety and delivery across the blood-brain barrier, a major improvement on existing therapeutic approaches. In this review, we critically analyze the latest nanoparticle-based strategies to modify underlying disease pathology to slow or halt AD/PD progression. We find that a major roadblock for neuronanomedicine translation to date is a poor understanding of how nanoparticles interact with biological systems (i.e., bio-nano interactions), which is partly due to inconsistent reporting in published works. Accordingly, this review makes a set of specific recommendations to help guide researchers to harness the unique properties of nanoparticles and thus realise breakthrough treatments for AD/PD.
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Affiliation(s)
- India Boyton
- School of Life Sciences, University of Technology Sydney, Gadigal Country, NSW 2007, Australia
| | - Stella M Valenzuela
- School of Life Sciences, University of Technology Sydney, Gadigal Country, NSW 2007, Australia
| | | | - Andrew Care
- School of Life Sciences, University of Technology Sydney, Gadigal Country, NSW 2007, Australia.
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35
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Lee Y, Morrow EM. Quantitative Measurement of Tau Aggregation in Genetically Modified Rats with Neurodegeneration. Methods Mol Biol 2024; 2761:291-299. [PMID: 38427245 DOI: 10.1007/978-1-0716-3662-6_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2024]
Abstract
Animal models of neurodegenerative diseases have helped us to better understand the pathogenesis of neurodegenerative diseases. However, recent failure to translate pre-clinical model studies to the clinic urges us to develop more rigorous and faithful animal models in neurodegenerative diseases. As genetic manipulation of rats becomes much more accessible due to availability of CRISPR-Cas9 and other genomic editing toolboxes, rats have been emerging as a new model system for neurodegenerative diseases. Even though mouse models have been dominant over the last decades, rats may provide advantages over mice. Rats are more genetically and physiologically closer to humans than to mice. Also, certain rat models can represent deposition of tau, which is one of the key pathological features of Alzheimer's diseases and tauopathies. However, there is an unmet need for standardized, rigorous testing in rat models. We adopted two commonly used biochemical and immunofluorescence methods from mice and human postmortem brains to measure tau aggregation. Due to the intrinsic differences between mice and rats, e.g., size of rat brains, certain equipment is required for rat models to study tau pathologies. Along with specific tools, here we describe the detailed methods for rat models of neurodegenerative diseases.
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Affiliation(s)
- YouJin Lee
- Department of Molecular Biology, Cell Biology and Biochemistry, Brown University, Providence, RI, USA.
- Center for Translational Neuroscience, Carney Institute for Brain Science, and Brown Institute for Translational Science (BITS), Brown University, Providence, RI, USA.
| | - Eric M Morrow
- Department of Molecular Biology, Cell Biology and Biochemistry, Brown University, Providence, RI, USA.
- Center for Translational Neuroscience, Carney Institute for Brain Science, and Brown Institute for Translational Science (BITS), Brown University, Providence, RI, USA.
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Jia Q, Bai D, Zheng X, Zhu L, Ou K, Wang X, Tong H, Zhang Y, Wang J, Zeng J, Yan S, Li S, Li XJ, Yin P. Comparing HD knockin pigs and mice reveals the pathological role of IL-17. Cell Rep 2023; 42:113443. [PMID: 37979175 DOI: 10.1016/j.celrep.2023.113443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 09/09/2023] [Accepted: 10/30/2023] [Indexed: 11/20/2023] Open
Abstract
Our previous work has established a knockin (KI) pig model of Huntington's disease (HD) that can replicate the typical pathological features of HD, including selective striatal neuronal loss, reactive gliosis, and axonal degeneration. However, HD KI mice exhibit milder neuropathological phenotypes and lack overt neurodegeneration. By performing RNA sequencing to compare the gene expression profiles between HD KI pigs and mice, we find that genes related to interleukin-17 (IL-17) signaling are upregulated in the HD pig brains compared to the mouse brains. Delivery of IL-17 into the brain striatum of HD KI mice causes greater reactive gliosis and synaptic deficiency compared to HD KI mice that received PBS. These findings suggest that the upregulation of genes related to IL-17 signaling in HD pig brains contributes to severe glial pathology in HD and identify this as a potential therapeutic target for treating HD.
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Affiliation(s)
- Qingqing Jia
- Guangdong Key Laboratory of Non-human Primate Research, Key Laboratory of CNS Regeneration (Ministry of Education), Guangdong-Hongkong-Macau Institute of CNS Regeneration, Jinan University, Guangzhou 510632, China
| | - Dazhang Bai
- Guangdong Key Laboratory of Non-human Primate Research, Key Laboratory of CNS Regeneration (Ministry of Education), Guangdong-Hongkong-Macau Institute of CNS Regeneration, Jinan University, Guangzhou 510632, China; Department of Neurology, Affiliated Hospital of North Sichuan Medical College, Institute of Neurological Diseases, North Sichuan Medical College, Nanchong 637000, China
| | - Xiao Zheng
- Guangdong Key Laboratory of Non-human Primate Research, Key Laboratory of CNS Regeneration (Ministry of Education), Guangdong-Hongkong-Macau Institute of CNS Regeneration, Jinan University, Guangzhou 510632, China
| | - Longhong Zhu
- Guangdong Key Laboratory of Non-human Primate Research, Key Laboratory of CNS Regeneration (Ministry of Education), Guangdong-Hongkong-Macau Institute of CNS Regeneration, Jinan University, Guangzhou 510632, China
| | - Kaili Ou
- Guangdong Key Laboratory of Non-human Primate Research, Key Laboratory of CNS Regeneration (Ministry of Education), Guangdong-Hongkong-Macau Institute of CNS Regeneration, Jinan University, Guangzhou 510632, China
| | - Xiang Wang
- Guangdong Key Laboratory of Non-human Primate Research, Key Laboratory of CNS Regeneration (Ministry of Education), Guangdong-Hongkong-Macau Institute of CNS Regeneration, Jinan University, Guangzhou 510632, China
| | - Huichun Tong
- Guangdong Key Laboratory of Non-human Primate Research, Key Laboratory of CNS Regeneration (Ministry of Education), Guangdong-Hongkong-Macau Institute of CNS Regeneration, Jinan University, Guangzhou 510632, China
| | - Yiran Zhang
- Guangdong Key Laboratory of Non-human Primate Research, Key Laboratory of CNS Regeneration (Ministry of Education), Guangdong-Hongkong-Macau Institute of CNS Regeneration, Jinan University, Guangzhou 510632, China
| | - Jing Wang
- The Second Affiliated Hospital, The State Key Laboratory of Respiratory Disease, Guangdong Provincial Key Laboratory of Allergy and Clinical Immunology, Guangzhou Medical University, Guangzhou 510260, China
| | - Jun Zeng
- School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou 510260, China
| | - Sen Yan
- Guangdong Key Laboratory of Non-human Primate Research, Key Laboratory of CNS Regeneration (Ministry of Education), Guangdong-Hongkong-Macau Institute of CNS Regeneration, Jinan University, Guangzhou 510632, China.
| | - Shihua Li
- Guangdong Key Laboratory of Non-human Primate Research, Key Laboratory of CNS Regeneration (Ministry of Education), Guangdong-Hongkong-Macau Institute of CNS Regeneration, Jinan University, Guangzhou 510632, China.
| | - Xiao-Jiang Li
- Guangdong Key Laboratory of Non-human Primate Research, Key Laboratory of CNS Regeneration (Ministry of Education), Guangdong-Hongkong-Macau Institute of CNS Regeneration, Jinan University, Guangzhou 510632, China.
| | - Peng Yin
- Guangdong Key Laboratory of Non-human Primate Research, Key Laboratory of CNS Regeneration (Ministry of Education), Guangdong-Hongkong-Macau Institute of CNS Regeneration, Jinan University, Guangzhou 510632, China.
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Riviere-Cazaux C, Rajani K, Rahman M, Oh J, Brown DA, White JF, Himes BT, Jusue-Torres I, Rodriguez M, Warrington AE, Kizilbash SH, Elmquist WF, Burns TC. Methodological and analytical considerations for intra-operative microdialysis. Fluids Barriers CNS 2023; 20:94. [PMID: 38115038 PMCID: PMC10729367 DOI: 10.1186/s12987-023-00497-2] [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: 10/01/2023] [Accepted: 12/01/2023] [Indexed: 12/21/2023] Open
Abstract
BACKGROUND Microdialysis is a technique that can be utilized to sample the interstitial fluid of the central nervous system (CNS), including in primary malignant brain tumors known as gliomas. Gliomas are mainly accessible at the time of surgery, but have rarely been analyzed via interstitial fluid collected via microdialysis. To that end, we obtained an investigational device exemption for high molecular weight catheters (HMW, 100 kDa) and a variable flow rate pump to perform microdialysis at flow rates amenable to an intra-operative setting. We herein report on the lessons and insights obtained during our intra-operative HMW microdialysis trial, both in regard to methodological and analytical considerations. METHODS Intra-operative HMW microdialysis was performed during 15 clinically indicated glioma resections in fourteen patients, across three radiographically diverse regions in each patient. Microdialysates were analyzed via targeted and untargeted metabolomics via ultra-performance liquid chromatography tandem mass spectrometry. RESULTS Use of albumin and lactate-containing perfusates impacted subsets of metabolites evaluated via global metabolomics. Additionally, focal delivery of lactate via a lactate-containing perfusate, induced local metabolic changes, suggesting the potential for intra-operative pharmacodynamic studies via reverse microdialysis of candidate drugs. Multiple peri-operatively administered drugs, including levetiracetam, cefazolin, caffeine, mannitol and acetaminophen, could be detected from one microdialysate aliquot representing 10 min worth of intra-operative sampling. Moreover, clinical, radiographic, and methodological considerations for performing intra-operative microdialysis are discussed. CONCLUSIONS Intra-operative HMW microdialysis can feasibly be utilized to sample the live human CNS microenvironment, including both metabolites and drugs, within one surgery. Certain variables, such as perfusate type, must be considered during and after analysis. Trial registration NCT04047264.
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Affiliation(s)
- Cecile Riviere-Cazaux
- Department of Neurological Surgery, Mayo Clinic, 200 First St. SW, Rochester, MN, 55905, USA
| | - Karishma Rajani
- Department of Neurological Surgery, Mayo Clinic, 200 First St. SW, Rochester, MN, 55905, USA
| | - Masum Rahman
- Department of Neurological Surgery, Mayo Clinic, 200 First St. SW, Rochester, MN, 55905, USA
| | - Juhee Oh
- Brain Barriers Research Center, Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, MN, USA
| | - Desmond A Brown
- Neurosurgical Oncology Unit, Surgical Neurology Branch, National Institutes of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
| | - Jaclyn F White
- Department of Neurological Surgery, Wake Forest Baptist Health, Winston-Salem, NC, USA
| | - Benjamin T Himes
- Department of Neurological Surgery, Montefiore/Albert Einstein College of Medicine, Bronx, NY, USA
| | - Ignacio Jusue-Torres
- Department of Neurological Surgery, Mayo Clinic, 200 First St. SW, Rochester, MN, 55905, USA
| | | | - Arthur E Warrington
- Brain Barriers Research Center, Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, MN, USA
- Department of Neurology, Mayo Clinic, Rochester, MN, USA
| | | | - William F Elmquist
- Brain Barriers Research Center, Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, MN, USA
| | - Terry C Burns
- Department of Neurological Surgery, Mayo Clinic, 200 First St. SW, Rochester, MN, 55905, USA.
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Boulingre M, Portillo-Lara R, Green RA. Biohybrid neural interfaces: improving the biological integration of neural implants. Chem Commun (Camb) 2023; 59:14745-14758. [PMID: 37991846 PMCID: PMC10720954 DOI: 10.1039/d3cc05006h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 11/10/2023] [Indexed: 11/24/2023]
Abstract
Implantable neural interfaces (NIs) have emerged in the clinic as outstanding tools for the management of a variety of neurological conditions caused by trauma or disease. However, the foreign body reaction triggered upon implantation remains one of the major challenges hindering the safety and longevity of NIs. The integration of tools and principles from biomaterial design and tissue engineering has been investigated as a promising strategy to develop NIs with enhanced functionality and performance. In this Feature Article, we highlight the main bioengineering approaches for the development of biohybrid NIs with an emphasis on relevant device design criteria. Technical and scientific challenges associated with the fabrication and functional assessment of technologies composed of both artificial and biological components are discussed. Lastly, we provide future perspectives related to engineering, regulatory, and neuroethical challenges to be addressed towards the realisation of the promise of biohybrid neurotechnology.
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Affiliation(s)
- Marjolaine Boulingre
- Department of Bioengineering, Imperial College London, South Kensington, London, SW7 2AZ, UK
| | - Roberto Portillo-Lara
- Department of Bioengineering, Imperial College London, South Kensington, London, SW7 2AZ, UK
| | - Rylie A Green
- Department of Bioengineering, Imperial College London, South Kensington, London, SW7 2AZ, UK
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Levites Y, Dammer EB, Ran Y, Tsering W, Duong D, Abreha M, Gadhavi J, Lolo K, Trejo-Lopez J, Phillips JL, Iturbe A, Erqiuzi A, Moore BD, Ryu D, Natu A, Dillon KD, Torrellas J, Moran C, Ladd TB, Afroz KF, Islam T, Jagirdar J, Funk CC, Robinson M, Borchelt DR, Ertekin-Taner N, Kelly JW, Heppner FL, Johnson EC, McFarland K, Levey AL, Prokop S, Seyfried NT, Golde TE. Aβ Amyloid Scaffolds the Accumulation of Matrisome and Additional Proteins in Alzheimer's Disease. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.11.29.568318. [PMID: 38076912 PMCID: PMC10705437 DOI: 10.1101/2023.11.29.568318] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/14/2024]
Abstract
We report a highly significant correlation in brain proteome changes between Alzheimers disease (AD) and CRND8 APP695NL/F transgenic mice. However, integrating protein changes observed in the CRND8 mice with co-expression networks derived from human AD, reveals both conserved and divergent module changes. For the most highly conserved module (M42, matrisome) we find many proteins accumulate in plaques, cerebrovascular amyloid (CAA), dystrophic processes, or a combination thereof. Overexpression of two M42 proteins, midkine (Mdk) and pleiotrophin (PTN), in CRND8 mice brains leads to increased accumulation of A β ; in plaques and in CAA; further, recombinant MDK and PTN enhance A β ; aggregation into amyloid. Multiple M42 proteins, annotated as heparan sulfate binding proteins, bind to fibrillar A β 42 and a non-human amyloid fibril in vitro. Supporting this binding data, MDK and PTN co-accumulate with transthyretin (TTR) amyloid in the heart and islet amyloid polypeptide (IAPP) amyloid in the pancreas. Our findings establish several critical insights. Proteomic changes in modules observed in human AD brains define an A β ; amyloid responsome that is well conserved from mouse model to human. Further, distinct amyloid structures may serve as scaffolds, facilitating the co-accumulation of proteins with signaling functions. We hypothesize that this co-accumulation may contribute to downstream pathological sequalae. Overall, this contextualized understanding of proteomic changes and their interplay with amyloid deposition provides valuable insights into the complexity of AD pathogenesis and potential biomarkers and therapeutic targets.
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40
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Gallas-Lopes M, Benvenutti R, Donzelli NIZ, Marcon M. A systematic review of the impact of environmental enrichment in zebrafish. Lab Anim (NY) 2023; 52:332-343. [PMID: 38017181 DOI: 10.1038/s41684-023-01288-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 10/12/2023] [Indexed: 11/30/2023]
Abstract
Environmental enrichment (EE) consists of a series of interventions carried out in the home environment to promote greater exposure to sensory stimuli and mimic the natural habitat of laboratory-housed animals, providing environments closer to those found in nature. Some studies have shown the positive effects of EE in zebrafish housed in a laboratory environment. However, this evidence is still recent and accompanied by contradictory results. Furthermore, there is great variability in the protocols applied and in the conditions of the tests, tanks and materials used to generate an enriched environment. This substantial variability can bring many uncertainties to the development of future studies and hinder the reproducibility and replicability of research. Here, in this context, we carried out a systematic review of the literature, aiming to provide an overview of the EE protocols used in zebrafish research. The literature search was performed in PubMed, Scopus and Web of Science and the studies were selected on the basis of predefined inclusion/exclusion criteria. A total of 901 articles were identified in the databases, and 27 of those studies were included in this review. We conducted data extraction and risk-of-bias analysis in the included studies. Among these studies, the effect of EE was evaluated in two different ways: (1) for animal welfare and (2) as an intervention to prevent behavioral, biochemical, molecular, developmental and breeding dysfunctions. Although the EE protocols in zebrafish presented a series of experimental differences, the results showed that the benefits of the EE for zebrafish were consistent. According to the results described here, the use of EE in the zebrafish home tank improves welfare and may reduce sources of bias in scientific research. However, it is still necessary to develop standardized protocols to improve the application of EE in scientific studies using zebrafish.
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Affiliation(s)
- Matheus Gallas-Lopes
- Departamento de Farmacologia, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Radharani Benvenutti
- School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Nayne I Z Donzelli
- Departamento de Bioquímica, Farmacologia e Fisiologia, Instituto de Ciências Biológicas e Naturais, Universidade Federal do Triângulo Mineiro, Uberaba, Brazil
- Laboratório de Zebrafish (ZebLab), Instituto de Ciências Biológicas e Naturais, Universidade Federal do Triângulo Mineiro, Uberaba, Brazil
| | - Matheus Marcon
- Departamento de Bioquímica, Farmacologia e Fisiologia, Instituto de Ciências Biológicas e Naturais, Universidade Federal do Triângulo Mineiro, Uberaba, Brazil.
- Laboratório de Zebrafish (ZebLab), Instituto de Ciências Biológicas e Naturais, Universidade Federal do Triângulo Mineiro, Uberaba, Brazil.
- Programa de Pós-graduação em Ciências da Saúde, Instituto de Ciências da Saúde, Universidade Federal do Triângulo Mineiro, Uberaba, Brazil.
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Shi D, Hao Z, Qi W, Jiang F, Liu K, Shi X. Aerobic exercise combined with chlorogenic acid exerts neuroprotective effects and reverses cognitive decline in Alzheimer's disease model mice (APP/PS1) via the SIRT1/ /PGC-1α/PPARγ signaling pathway. Front Aging Neurosci 2023; 15:1269952. [PMID: 38046466 PMCID: PMC10693339 DOI: 10.3389/fnagi.2023.1269952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 10/20/2023] [Indexed: 12/05/2023] Open
Abstract
Alzheimer's disease (AD) is a prevalent neurodegenerative disease account for 60-80% of the total number of people with dementia, but its treatment and prevention strategies are still in a long process of exploration. It has been reported that a healthy lifestyle may be an effective non-pharmacological intervention for the prevention and treatment of AD, including increased physical activity and the consumption of polyphenol-rich foods. This study, therefore, investigated the effects of 8 weeks of moderate-intensity aerobic exercise (EX), administration of chlorogenic acid administration (GCA), and a combination of both (EX+GCA) on β-amyloid (Aβ) deposition, inflammatory factors, oxidative stress markers, neuronal damage, and cognitive performance in the brains of AD model mice (APP/PS1) and which signaling pathways may be responsible for these effects. The study used Western blot to detect the expression of signaling pathway-related proteins, enzyme-linked immunosorbent assay to detect the expression of inflammatory factors, hematoxylin-eosin staining to detect hippocampal neuronal morphology, immunohistochemistry to detect changes in Aβ deposition in the hippocampus, an oxidative stress marker kit to detect oxidative stress status and the Morris water maze to detect changes in cognitive performance. This study showed that an 8-week intervention (EX/GCA/EX+GCA) activating the SIRT1/PGC-1α signaling pathway improved oxidative stress, neuroinflammation, Aβ deposition, and cognitive performance in mice. However, there was no obvious difference between the EX and GCA groups. In contrast, the combined EX+GCA intervention was significantly better than phase EX or GCA. Our study suggests that although relief of Aβ deposition, neuroinflammation, oxidative stress, neuronal damage, and cognitive decline could also be achieved with EX or GCA, the combined EX+GCA intervention showed better results. These relief effects on AD-related conditions may be obtained by mediating the activation of the SIRT1/PGC-1α signaling pathway. This study is the first to explore the improvement of AD-related conditions with a combined lifestyle of EX+GCA. This healthy lifestyle could be a candidate option for the treatment of AD.
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Affiliation(s)
- Dan Shi
- Yueyang Hospital of Integrated Traditional Chinese Medicine and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Academy of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Zikang Hao
- Department of Physical Education, Ocean University of China, Qingdao, China
| | - Wenxiao Qi
- Sports Training College, Tianjin Institute of Physical Education, Tianjin, China
| | - Fengyi Jiang
- Yueyang Hospital of Integrated Traditional Chinese Medicine and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Kerui Liu
- Faculty of Health Sciences, University of Macau, Taipa, China
| | - Xiao Shi
- Yueyang Hospital of Integrated Traditional Chinese Medicine and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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D'Adamio L. Transfixed by transgenics: how pathology assumptions are slowing progress in Alzheimer's disease and related dementia research. EMBO Mol Med 2023; 15:e18479. [PMID: 37750482 PMCID: PMC10630870 DOI: 10.15252/emmm.202318479] [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: 08/07/2023] [Revised: 08/31/2023] [Accepted: 09/08/2023] [Indexed: 09/27/2023] Open
Abstract
Model organisms of human diseases are invaluable tools for unraveling pathogenic mechanisms, identifying potential targets for drug development, and evaluating the therapeutic efficacy of candidates in preclinical trials. The utility of model organisms hinges upon their ability to faithfully replicate the underlying pathogenic mechanisms of the human disease. For rodent models of Alzheimer's disease (AD) and AD-related dementias (ADRD), the limited translatability to human disease raises concerns about their overall utility. What factors contribute to this limitation? Is AD inherently too complex to be accurately modeled in nonhumans? Is the divergence between rodent brains and the human brain so pronounced that rodents are unsuitable as model organisms for AD? Or is it plausible that the commonly used rodent models don't capture the genuine pathogenic mechanisms underlying these diseases? This editorial discusses the challenges associated with transgenic models of AD and ADRD and offers some alternative approaches.
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Affiliation(s)
- Luciano D'Adamio
- Department of Pharmacology, Physiology & Neuroscience New Jersey Medical School, Brain Health Institute, Jacqueline Krieger Klein Center in Alzheimer's Disease and Neurodegeneration Research, RutgersThe State University of New JerseyNewarkNJUSA
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Ravagnani FG, Valerio HP, Maués JHS, de Oliveira AN, Puga RD, Griesi-Oliveira K, Picosse FR, Ferraz HB, Catharino RR, Ronsein GE, de Carvalho Aguiar P. Omics profile of iPSC-derived astrocytes from Progressive Supranuclear Palsy (PSP) patients. Parkinsonism Relat Disord 2023; 116:105847. [PMID: 37844348 DOI: 10.1016/j.parkreldis.2023.105847] [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: 05/03/2023] [Revised: 07/28/2023] [Accepted: 09/03/2023] [Indexed: 10/18/2023]
Abstract
INTRODUCTION Progressive Supranuclear Palsy (PSP) is a neurodegenerative tauopathy and, to date, the pathophysiological mechanisms in PSP that lead to Tau hyperphosphorylation and neurodegeneration are not clear. In some brain areas, Tau pathology in glial cells appears to precede Tau aggregation in neurons. The development of a model using astrocyte cell lines derived from patients has the potential to identify molecules and pathways that contribute to early events of neurodegeneration. We developed a model of induced pluripotent stem cells (iPSC)-derived astrocytes to investigate the pathophysiology of PSP, particularly early events that might contribute to Tau hyperphosphorylation, applying omics approach to detect differentially expressed genes, metabolites, and proteins, including those from the secretome. METHODS Skin fibroblasts from PSP patients (without MAPT mutations) and controls were reprogrammed to iPSCs, further differentiated into neuroprogenitor cells (NPCs) and astrocytes. In the 5th passage, astrocytes were harvested for total RNA sequencing. Intracellular and secreted proteins were processed for proteomics experiments. Metabolomics profiling was obtained from supernatants only. RESULTS We identified hundreds of differentially expressed genes. The main networks were related to cell cycle re-activation in PSP. Several proteins were found exclusively secreted by the PSP group. The cellular processes related to the cell cycle and mitotic proteins, TriC/CCT pathway, and redox signaling were enriched in the secretome of PSP. Moreover, we found distinct sets of metabolites between PSP and controls. CONCLUSION Our iPSC-derived astrocyte model can provide distinct molecular signatures for PSP patients and it is useful to elucidate the initial stages of PSP pathogenesis.
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Affiliation(s)
| | - Hellen P Valerio
- Institute of Chemistry, Universidade de São Paulo (USP), São Paulo, Brazil
| | - Jersey H S Maués
- Hematology and Hemotherapy Center, Universidade Estadual de Campinas (UNICAMP), Campinas, Brazil
| | - Arthur N de Oliveira
- Innovare Laboratory, Universidade Estadual de Campinas (UNICAMP), Campinas, Brazil
| | | | | | - Fabíola R Picosse
- Department of Neurology and Neurosurgery, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Henrique B Ferraz
- Department of Neurology and Neurosurgery, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Rodrigo R Catharino
- Innovare Laboratory, Universidade Estadual de Campinas (UNICAMP), Campinas, Brazil
| | | | - Patrícia de Carvalho Aguiar
- Hospital Israelita Albert Einstein, São Paulo, Brazil; Department of Neurology and Neurosurgery, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
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Steiner K, Humpel C. Long-term organotypic brain slices cultured on collagen-based microcontact prints: A perspective for a brain-on-a-chip. J Neurosci Methods 2023; 399:109979. [PMID: 37783349 DOI: 10.1016/j.jneumeth.2023.109979] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 09/21/2023] [Accepted: 09/29/2023] [Indexed: 10/04/2023]
Abstract
Organotypic brain slices are three-dimensional 150 µm-thick sections of a postnatal day 10 mouse and can be cultured for several weeks in vitro. In such brain slices the complex cellular connections are preserved with a high viability. These brain slices can be connected to collagen-loaded microcontact prints to develop a simple brain-on-a-chip model. Using the microcontact printing technique, many peptides or proteins can be printed onto a semipermeable membrane and linked to brain slices. On these microcontact prints, brain-derived nerve fibers grow out, or microglia can get activated and migrate out, or also new brain vessels can be formed. Such a brain-on-a-chip model may allow to develop new drugs or a diagnostic method for neurodegenerative diseases.
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Affiliation(s)
- Katharina Steiner
- Laboratory of Psychiatry and Experimental Alzheimer's Research, Medical University of Innsbruck, Austria
| | - Christian Humpel
- Laboratory of Psychiatry and Experimental Alzheimer's Research, Medical University of Innsbruck, Austria.
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45
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Lange S, Inal JM. Animal Models of Human Disease. Int J Mol Sci 2023; 24:15821. [PMID: 37958801 PMCID: PMC10650829 DOI: 10.3390/ijms242115821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 10/25/2023] [Indexed: 11/15/2023] Open
Abstract
The use of animal models of human disease is critical for furthering our understanding of disease mechanisms, for the discovery of novel targets for treatment, and for translational research. This Special Topic entitled "Animal Models of Human Disease" aimed to collect state-of-the-art primary research studies and review articles from international experts and leading groups using animal models to study human diseases. Submissions were welcomed on a wide range of animal models and pathologies, including infectious disease, acute injury, regeneration, cancer, autoimmunity, degenerative and chronic disease. Seven participating MDPI journals supported the Special Topic, namely: Biomedicines, Cells, Current Issues in Molecular Biology, Diagnostics, Genes, the International Journal of Molecular Sciences, and the International Journal of Translational Medicine. In total, 46 papers were published in this Special Topic, with 37 full length original research papers, 2 research communications and 7 reviews. These contributions cover a wide range of clinically relevant, translatable, and comparative animal models, as well as furthering understanding of fundamental sciences, covering topics on physiological processes, on degenerative, inflammatory, infectious, autoimmune, neurological, metabolic, heamatological, hormonal and mitochondrial disorders, developmental processes and diseases, cardiology, cancer, trauma, stress, and ageing.
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Affiliation(s)
- Sigrun Lange
- Tissue Architecture and Regeneration Research Group, Department of Biomedical Sciences, University of Westminster, London W1W 6UW, UK
- Pathobiology and Extracellular Vesicles Research Group, Department of Biomedical Sciences, University of Westminster, London W1W 6UW, UK
| | - Jameel M. Inal
- Cell Communication in Disease Pathology, School of Human Sciences, London Metropolitan University, London N7 8DB, UK;
- Biosciences Research Group, School of Life and Medical Sciences, University of Hertfordshire, Hatfield AL10 9EU, UK
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Cavaleiro C, Afonso GJM, Oliveira PJ, Valero J, Mota SI, Ferreiro E. Urine-derived stem cells in neurological diseases: current state-of-the-art and future directions. Front Mol Neurosci 2023; 16:1229728. [PMID: 37965041 PMCID: PMC10642248 DOI: 10.3389/fnmol.2023.1229728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 10/10/2023] [Indexed: 11/16/2023] Open
Abstract
Stem cells have potential applications in the field of neurological diseases, as they allow for the development of new biological models. These models can improve our understanding of the underlying pathologies and facilitate the screening of new therapeutics in the context of precision medicine. Stem cells have also been applied in clinical tests to repair tissues and improve functional recovery. Nevertheless, although promising, commonly used stem cells display some limitations that curb the scope of their applications, such as the difficulty of obtention. In that regard, urine-derived cells can be reprogrammed into induced pluripotent stem cells (iPSCs). However, their obtaining can be challenging due to the low yield and complexity of the multi-phased and typically expensive differentiation protocols. As an alternative, urine-derived stem cells (UDSCs), included within the population of urine-derived cells, present a mesenchymal-like phenotype and have shown promising properties for similar purposes. Importantly, UDSCs have been differentiated into neuronal-like cells, auspicious for disease modeling, while overcoming some of the shortcomings presented by other stem cells for these purposes. Thus, this review assesses the current state and future perspectives regarding the potential of UDSCs in the ambit of neurological diseases, both for disease modeling and therapeutic applications.
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Affiliation(s)
- Carla Cavaleiro
- CNC-Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal
- Center for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal
- Institute for Interdisciplinary Research, University of Coimbra, Doctoral Programme in Experimental Biology and Biomedicine (PDBEB), Coimbra, Portugal
| | - Gonçalo J. M. Afonso
- CNC-Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal
- Center for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal
- Institute for Interdisciplinary Research, University of Coimbra, Doctoral Programme in Experimental Biology and Biomedicine (PDBEB), Coimbra, Portugal
| | - Paulo J. Oliveira
- CNC-Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal
- Center for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal
| | - Jorge Valero
- Instituto de Neurociencias de Castilla y León, University of Salamanca, Salamanca, Spain
- Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain
- Department of Cell Biology and Pathology, University of Salamanca, Salamanca, Spain
| | - Sandra I. Mota
- CNC-Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal
- Center for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal
| | - Elisabete Ferreiro
- CNC-Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal
- Center for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal
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Sharp RC, Guenther DT, Farrer MJ. Experimental procedures for flow cytometry of wild-type mouse brain: a systematic review. Front Immunol 2023; 14:1281705. [PMID: 38022545 PMCID: PMC10646240 DOI: 10.3389/fimmu.2023.1281705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 10/02/2023] [Indexed: 12/01/2023] Open
Abstract
Objective The aim of this study was to systematically review the neuroimmunology literature to determine the average immune cell counts reported by flow cytometry in wild-type (WT) homogenized mouse brains. Background Mouse models of gene dysfunction are widely used to study age-associated neurodegenerative disorders, including Alzheimer's disease and Parkinson's disease. The importance of the neuroimmune system in these multifactorial disorders has become increasingly evident, and methods to quantify resident and infiltrating immune cells in the brain, including flow cytometry, are necessary. However, there appears to be no consensus on the best approach to perform flow cytometry or quantify/report immune cell counts. The development of more standardized methods would accelerate neuroimmune discovery and validation by meta-analysis. Methods There has not yet been a systematic review of 'neuroimmunology' by 'flow cytometry' via examination of the PROSPERO registry. A protocol for a systematic review was subsequently based on the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) using the Studies, Data, Methods, and Outcomes (SDMO) criteria. Literature searches were conducted in the Google Scholar and PubMed databases. From that search, 900 candidate studies were identified, and 437 studies were assessed for eligibility based on formal exclusion criteria. Results Out of the 437 studies reviewed, 58 were eligible for inclusion and comparative analysis. Each study assessed immune cell subsets within homogenized mouse brains and used flow cytometry. Nonetheless, there was considerable variability in the methods, data analysis, reporting, and results. Descriptive statistics have been presented on the study designs and results, including medians with interquartile ranges (IQRs) and overall means with standard deviations (SD) for specific immune cell counts and their relative proportions, within and between studies. A total of 58 studies reported the most abundant immune cells within the brains were TMEM119+ microglia, bulk CD4+ T cells, and bulk CD8+ T cells. Conclusion Experiments to conduct and report flow cytometry data, derived from WT homogenized mouse brains, would benefit from a more standardized approach. While within-study comparisons are valid, the variability in methods of counting of immune cell populations is too broad for meta-analysis. The inclusion of a minimal protocol with more detailed methods, controls, and standards could enable this nascent field to compare results across studies.
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Affiliation(s)
| | | | - Matthew J. Farrer
- Department of Neurology, McKnight Brain Institute, University of Florida, Gainesville, FL, United States
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Sharma H, Chang KA, Hulme J, An SSA. Mammalian Models in Alzheimer's Research: An Update. Cells 2023; 12:2459. [PMID: 37887303 PMCID: PMC10605533 DOI: 10.3390/cells12202459] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 10/09/2023] [Accepted: 10/10/2023] [Indexed: 10/28/2023] Open
Abstract
A form of dementia distinct from healthy cognitive aging, Alzheimer's disease (AD) is a complex multi-stage disease that currently afflicts over 50 million people worldwide. Unfortunately, previous therapeutic strategies developed from murine models emulating different aspects of AD pathogenesis were limited. Consequently, researchers are now developing models that express several aspects of pathogenesis that better reflect the clinical situation in humans. As such, this review seeks to provide insight regarding current applications of mammalian models in AD research by addressing recent developments and characterizations of prominent transgenic models and their contributions to pathogenesis as well as discuss the advantages, limitations, and application of emerging models that better capture genetic heterogeneity and mixed pathologies observed in the clinical situation.
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Affiliation(s)
- Himadri Sharma
- Department of Bionano Technology, Gachon Bionano Research Institute, Gachon University, 1342 Seongnam-daero, Sujeong-gu, Seongnam-si 461-701, Gyeonggi-do, Republic of Korea
| | - Keun-A Chang
- Neuroscience Research Institute, Gachon University, Incheon 21565, Republic of Korea
| | - John Hulme
- Department of Bionano Technology, Gachon Bionano Research Institute, Gachon University, 1342 Seongnam-daero, Sujeong-gu, Seongnam-si 461-701, Gyeonggi-do, Republic of Korea
| | - Seong Soo A. An
- Department of Bionano Technology, Gachon Bionano Research Institute, Gachon University, 1342 Seongnam-daero, Sujeong-gu, Seongnam-si 461-701, Gyeonggi-do, Republic of Korea
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Chaoul V, Dib EY, Bedran J, Khoury C, Shmoury O, Harb F, Soueid J. Assessing Drug Administration Techniques in Zebrafish Models of Neurological Disease. Int J Mol Sci 2023; 24:14898. [PMID: 37834345 PMCID: PMC10573323 DOI: 10.3390/ijms241914898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 08/30/2023] [Accepted: 08/31/2023] [Indexed: 10/15/2023] Open
Abstract
Neurological diseases, including neurodegenerative and neurodevelopmental disorders, affect nearly one in six of the world's population. The burden of the resulting deaths and disability is set to rise during the next few decades as a consequence of an aging population. To address this, zebrafish have become increasingly prominent as a model for studying human neurological diseases and exploring potential therapies. Zebrafish offer numerous benefits, such as genetic homology and brain similarities, complementing traditional mammalian models and serving as a valuable tool for genetic screening and drug discovery. In this comprehensive review, we highlight various drug delivery techniques and systems employed for therapeutic interventions of neurological diseases in zebrafish, and evaluate their suitability. We also discuss the challenges encountered during this process and present potential advancements in innovative techniques.
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Affiliation(s)
- Victoria Chaoul
- Department of Biochemistry and Molecular Genetics, Faculty of Medicine, American University of Beirut, Beirut P.O. Box 11-0236, Lebanon; (V.C.); (J.B.); (O.S.)
| | - Emanuel-Youssef Dib
- Department of Biomedical Sciences, Faculty of Medicine and Medical Sciences, University of Balamand, Kalhat P.O. Box 100, Lebanon; (E.-Y.D.); (C.K.)
| | - Joe Bedran
- Department of Biochemistry and Molecular Genetics, Faculty of Medicine, American University of Beirut, Beirut P.O. Box 11-0236, Lebanon; (V.C.); (J.B.); (O.S.)
| | - Chakib Khoury
- Department of Biomedical Sciences, Faculty of Medicine and Medical Sciences, University of Balamand, Kalhat P.O. Box 100, Lebanon; (E.-Y.D.); (C.K.)
| | - Omar Shmoury
- Department of Biochemistry and Molecular Genetics, Faculty of Medicine, American University of Beirut, Beirut P.O. Box 11-0236, Lebanon; (V.C.); (J.B.); (O.S.)
| | - Frédéric Harb
- Department of Biomedical Sciences, Faculty of Medicine and Medical Sciences, University of Balamand, Kalhat P.O. Box 100, Lebanon; (E.-Y.D.); (C.K.)
| | - Jihane Soueid
- Department of Biochemistry and Molecular Genetics, Faculty of Medicine, American University of Beirut, Beirut P.O. Box 11-0236, Lebanon; (V.C.); (J.B.); (O.S.)
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50
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Teli P, Kale V, Vaidya A. Beyond animal models: revolutionizing neurodegenerative disease modeling using 3D in vitro organoids, microfluidic chips, and bioprinting. Cell Tissue Res 2023; 394:75-91. [PMID: 37572163 DOI: 10.1007/s00441-023-03821-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Accepted: 07/27/2023] [Indexed: 08/14/2023]
Abstract
Neurodegenerative diseases (NDs) are characterized by uncontrolled loss of neuronal cells leading to a progressive deterioration of brain functions. The transition rate of numerous neuroprotective drugs against Alzheimer's disease, Parkinson's disease, amyotrophic lateral sclerosis, and Huntington's disease, leading to FDA approval, is only 8-14% in the last two decades. Thus, in spite of encouraging preclinical results, these drugs have failed in human clinical trials, demonstrating that traditional cell cultures and animal models cannot accurately replicate human pathophysiology. Hence, in vitro three-dimensional (3D) models have been developed to bridge the gap between human and animal studies. Such technological advancements in 3D culture systems, such as human-induced pluripotent stem cell (iPSC)-derived cells/organoids, organ-on-a-chip technique, and 3D bioprinting, have aided our understanding of the pathophysiology and underlying mechanisms of human NDs. Despite these recent advances, we still lack a 3D model that recapitulates all the key aspects of NDs, thus making it difficult to study the ND's etiology in-depth. Hence in this review, we propose developing a combinatorial approach that allows the integration of patient-derived iPSCs/organoids with 3D bioprinting and organ-on-a-chip technique as it would encompass the neuronal cells along with their niche. Such a 3D combinatorial approach would characterize pathological processes thoroughly, making them better suited for high-throughput drug screening and developing effective novel therapeutics targeting NDs.
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Affiliation(s)
- Prajakta Teli
- Symbiosis International (Deemed University), Symbiosis School of Biological Sciences, Pune, 412115, India
- Symbiosis International (Deemed University), Symbiosis Center for Stem Cell Research, Pune, 412115, India
| | - Vaijayanti Kale
- Symbiosis International (Deemed University), Symbiosis School of Biological Sciences, Pune, 412115, India
- Symbiosis International (Deemed University), Symbiosis Center for Stem Cell Research, Pune, 412115, India
| | - Anuradha Vaidya
- Symbiosis International (Deemed University), Symbiosis School of Biological Sciences, Pune, 412115, India.
- Symbiosis International (Deemed University), Symbiosis Center for Stem Cell Research, Pune, 412115, India.
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