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Li Y, Xu S, Luo L, Yang J. Role of Enzymes Capable of Transporting Phosphatidylserine in Brain Development and Brain Diseases. ACS OMEGA 2024; 9:34243-34249. [PMID: 39157110 PMCID: PMC11325426 DOI: 10.1021/acsomega.4c05036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/29/2024] [Revised: 07/17/2024] [Accepted: 07/18/2024] [Indexed: 08/20/2024]
Abstract
Phosphatidylserine (PS) is a common type of phospholipid, typically located in the inner leaflet of the cell membrane, especially abundant in the nervous system. It is an important component of the neuronal membrane and is considered to play a regulatory role in various brain functions, including memory and emotional stability, because its exposure to the outer leaflet of the neuronal membrane can result in abnormalities in various neurobiological processes such as synaptic transmission and neuronal apoptosis. Recently, research on two types of membrane proteins that synergistically mediate the transmembrane transport of phospholipid molecules in eukaryotic cells has become more in-depth and detailed. This review mainly explores the regulation of the expression of phosphatidylserine transporters and their impact on brain development and diseases.
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Affiliation(s)
- Yiying Li
- Class
3 Grade 2023, School of Clinical Medicine, Guangdong Pharmaceutical University, Guangzhou, Guangdong 510006, China
| | - Siqi Xu
- Department
of Anatomy, School of Basic Medical Sciences, Guangdong Pharmaceutical University, Guangzhou, Guangdong 510006, China
| | - Li Luo
- Department
of Anatomy, School of Basic Medical Sciences, Guangdong Pharmaceutical University, Guangzhou, Guangdong 510006, China
- Guangdong
Medical Association, Guangzhou, Guangdong 510180, China
| | - Junhua Yang
- Department
of Anatomy, School of Basic Medical Sciences, Guangdong Pharmaceutical University, Guangzhou, Guangdong 510006, China
- Guangdong
Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou, Guangdong 510006, China
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2
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Norris AC, Mansueto AJ, Jimenez M, Yazlovitskaya EM, Jain BK, Graham TR. Flipping the script: Advances in understanding how and why P4-ATPases flip lipid across membranes. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2024; 1871:119700. [PMID: 38382846 DOI: 10.1016/j.bbamcr.2024.119700] [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: 04/05/2023] [Revised: 11/15/2023] [Accepted: 02/16/2024] [Indexed: 02/23/2024]
Abstract
Type IV P-type ATPases (P4-ATPases) are a family of transmembrane enzymes that translocate lipid substrates from the outer to the inner leaflet of biological membranes and thus create an asymmetrical distribution of lipids within membranes. On the cellular level, this asymmetry is essential for maintaining the integrity and functionality of biological membranes, creating platforms for signaling events and facilitating vesicular trafficking. On the organismal level, this asymmetry has been shown to be important in maintaining blood homeostasis, liver metabolism, neural development, and the immune response. Indeed, dysregulation of P4-ATPases has been linked to several diseases; including anemia, cholestasis, neurological disease, and several cancers. This review will discuss the evolutionary transition of P4-ATPases from cation pumps to lipid flippases, the new lipid substrates that have been discovered, the significant advances that have been achieved in recent years regarding the structural mechanisms underlying the recognition and flipping of specific lipids across biological membranes, and the consequences of P4-ATPase dysfunction on cellular and physiological functions. Additionally, we emphasize the requirement for additional research to comprehensively understand the involvement of flippases in cellular physiology and disease and to explore their potential as targets for therapeutics in treating a variety of illnesses. The discussion in this review will primarily focus on the budding yeast, C. elegans, and mammalian P4-ATPases.
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Affiliation(s)
- Adriana C Norris
- Department of Biological Sciences, Vanderbilt University, Nashville, TN, USA
| | | | - Mariana Jimenez
- Department of Biological Sciences, Vanderbilt University, Nashville, TN, USA
| | | | - Bhawik K Jain
- Department of Biological Sciences, Vanderbilt University, Nashville, TN, USA
| | - Todd R Graham
- Department of Biological Sciences, Vanderbilt University, Nashville, TN, USA.
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3
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Castillo-González J, Ruiz JL, Serrano-Martínez I, Forte-Lago I, Ubago-Rodriguez A, Caro M, Pérez-Gómez JM, Benítez-Troncoso A, Andrés-León E, Sánchez-Navarro M, Luque RM, González-Rey E. Cortistatin deficiency reveals a dysfunctional brain endothelium with impaired gene pathways, exacerbated immune activation, and disrupted barrier integrity. J Neuroinflammation 2023; 20:226. [PMID: 37794493 PMCID: PMC10548650 DOI: 10.1186/s12974-023-02908-5] [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: 09/26/2023] [Indexed: 10/06/2023] Open
Abstract
BACKGROUND Brain activity governing cognition and behaviour depends on the fine-tuned microenvironment provided by a tightly controlled blood-brain barrier (BBB). Brain endothelium dysfunction is a hallmark of BBB breakdown in most neurodegenerative/neuroinflammatory disorders. Therefore, the identification of new endogenous molecules involved in endothelial cell disruption is essential to better understand BBB dynamics. Cortistatin is a neuroimmune mediator with anti-inflammatory and neuroprotective properties that exerts beneficial effects on the peripheral endothelium. However, its role in the healthy and injured brain endothelium remains to be evaluated. Herein, this study aimed to investigate the potential function of endogenous and therapeutic cortistatin in regulating brain endothelium dysfunction in a neuroinflammatory/neurodegenerative environment. METHODS Wild-type and cortistatin-deficient murine brain endothelium and human cells were used for an in vitro barrier model, where a simulated ischemia-like environment was mimicked. Endothelial permeability, junction integrity, and immune response in the presence and absence of cortistatin were evaluated using different size tracers, immunofluorescence labelling, qPCR, and ELISA. Cortistatin molecular mechanisms underlying brain endothelium dynamics were assessed by RNA-sequencing analysis. Cortistatin role in BBB leakage was evaluated in adult mice injected with LPS. RESULTS The endogenous lack of cortistatin predisposes endothelium weakening with increased permeability, tight-junctions breakdown, and dysregulated immune activity. We demonstrated that both damaged and uninjured brain endothelial cells isolated from cortistatin-deficient mice, present a dysregulated and/or deactivated genetic programming. These pathways, related to basic physiology but also crucial for the repair after damage (e.g., extracellular matrix remodelling, angiogenesis, response to oxygen, signalling, and metabolites transport), are dysfunctional and make brain endothelial barrier lacking cortistatin non-responsive to any further injury. Treatment with cortistatin reversed in vitro hyperpermeability, tight-junctions disruption, inflammatory response, and reduced in vivo BBB leakage. CONCLUSIONS The neuropeptide cortistatin has a key role in the physiology of the cerebral microvasculature and its presence is crucial to develop a canonical balanced response to damage. The reparative effects of cortistatin in the brain endothelium were accompanied by the modulation of the immune function and the rescue of barrier integrity. Cortistatin-based therapies could emerge as a novel pleiotropic strategy to ameliorate neuroinflammatory/neurodegenerative disorders with disrupted BBB.
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Affiliation(s)
- Julia Castillo-González
- Institute of Parasitology and Biomedicine Lopez-Neyra (IPBLN), CSIC, PT Salud, 18016, Granada, Spain
| | - José Luis Ruiz
- Institute of Parasitology and Biomedicine Lopez-Neyra (IPBLN), CSIC, PT Salud, 18016, Granada, Spain
| | - Ignacio Serrano-Martínez
- Institute of Parasitology and Biomedicine Lopez-Neyra (IPBLN), CSIC, PT Salud, 18016, Granada, Spain
| | - Irene Forte-Lago
- Institute of Parasitology and Biomedicine Lopez-Neyra (IPBLN), CSIC, PT Salud, 18016, Granada, Spain
| | - Ana Ubago-Rodriguez
- Institute of Parasitology and Biomedicine Lopez-Neyra (IPBLN), CSIC, PT Salud, 18016, Granada, Spain
| | - Marta Caro
- Institute of Parasitology and Biomedicine Lopez-Neyra (IPBLN), CSIC, PT Salud, 18016, Granada, Spain
| | - Jesús Miguel Pérez-Gómez
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), 14004, Cordoba, Spain
- Department of Cell Biology, Physiology, and Immunology, University of Cordoba, 14004, Cordoba, Spain
- Reina Sofia University Hospital (HURS), 14004, Cordoba, Spain
- CIBER Physiopathology of Obesity and Nutrition (CIBERobn), 14004, Cordoba, Spain
| | | | - Eduardo Andrés-León
- Institute of Parasitology and Biomedicine Lopez-Neyra (IPBLN), CSIC, PT Salud, 18016, Granada, Spain
| | - Macarena Sánchez-Navarro
- Institute of Parasitology and Biomedicine Lopez-Neyra (IPBLN), CSIC, PT Salud, 18016, Granada, Spain
| | - Raúl M Luque
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), 14004, Cordoba, Spain
- Department of Cell Biology, Physiology, and Immunology, University of Cordoba, 14004, Cordoba, Spain
- Reina Sofia University Hospital (HURS), 14004, Cordoba, Spain
- CIBER Physiopathology of Obesity and Nutrition (CIBERobn), 14004, Cordoba, Spain
| | - Elena González-Rey
- Institute of Parasitology and Biomedicine Lopez-Neyra (IPBLN), CSIC, PT Salud, 18016, Granada, Spain.
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Atp8a1 deletion increases the proliferative activity of hematopoietic stem cells by impairing PTEN function. Cell Oncol (Dordr) 2023:10.1007/s13402-023-00797-7. [PMID: 36930333 DOI: 10.1007/s13402-023-00797-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/05/2023] [Indexed: 03/18/2023] Open
Abstract
PURPOSE The eukaryotic cell plasma membrane contains several asymmetrically distributed phospholipids, which is maintained by the P4-ATPase flippase complex. Herein, we demonstrated the biological effects and mechanisms of asymmetrical loss in hematopoietic stem cells (HSCs). METHODS An Atp8a1 knockout mouse model was employed, from which the HSC (long-term HSCs and short-term HSCs) population was analyzed to assess their abundance and function. Additionally, competitive bone marrow transplantation and 5-FU stress assays were performed. RNA sequencing was performed on Hematopoietic Stem and Progenitor Cells, and DNA damage was assayed using immunofluorescence staining and comet electrophoresis. The protein abundance for members of key signaling pathways was confirmed using western blotting. RESULTS Atp8a1 deletion resulted in slight hyperleukocytosis, associated with the high proliferation of HSCs and BCR/ABL1 transformed leukemia stem cells (LSCs). Atp8a1 deletion increased the repopulation capability of HSCs with a competitive advantage in reconstitution assay. HSCs without Atp8a1 were more sensitive to 5-FU-induced apoptosis. Moreover, Atp8a1 deletion prevented HSC DNA damage and facilitated DNA repair processes. Genes involved in PI3K-AKT-mTORC1, DNA repair, and AP-1 complex signaling were enriched and elevated in HSCs with Atp8a1 deletion. Furthermore, Atp8a1 deletion caused decreased PTEN protein levels, resulting in the activation of PI3K-AKT-mTORC1 signaling, further increasing the activity of JNK/AP-1 signaling and YAP1 phosphorylation. CONCLUSION We identified the role of Atp8a1 on hematopoiesis and HSCs. Atp8a1 deletion resulted in the loss of phosphatidylserine asymmetry and intracellular signal transduction chaos.
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Meng T, Chen X, He Z, Huang H, Lin S, Liu K, Bai G, Liu H, Xu M, Zhuang H, Zhang Y, Waqas A, Liu Q, Zhang C, Sun XD, Huang H, Umair M, Yan Y, Feng D. ATP9A deficiency causes ADHD and aberrant endosomal recycling via modulating RAB5 and RAB11 activity. Mol Psychiatry 2023; 28:1219-1231. [PMID: 36604604 PMCID: PMC9816018 DOI: 10.1038/s41380-022-01940-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Revised: 12/10/2022] [Accepted: 12/22/2022] [Indexed: 01/07/2023]
Abstract
ATP9A, a lipid flippase of the class II P4-ATPases, is involved in cellular vesicle trafficking. Its homozygous variants are linked to neurodevelopmental disorders in humans. However, its physiological function, the underlying mechanism as well as its pathophysiological relevance in humans and animals are still largely unknown. Here, we report two independent families in which the nonsense mutations c.433C>T/c.658C>T/c.983G>A (p. Arg145*/p. Arg220*/p. Trp328*) in ATP9A (NM_006045.3) cause autosomal recessive hypotonia, intellectual disability (ID) and attention deficit hyperactivity disorder (ADHD). Atp9a null mice show decreased muscle strength, memory deficits and hyperkinetic movement disorder, recapitulating the symptoms observed in patients. Abnormal neurite morphology and impaired synaptic transmission are found in the primary motor cortex and hippocampus of the Atp9a null mice. ATP9A is also required for maintaining neuronal neurite morphology and the viability of neural cells in vitro. It mainly localizes to endosomes and plays a pivotal role in endosomal recycling pathway by modulating small GTPase RAB5 and RAB11 activation. However, ATP9A pathogenic mutants have aberrant subcellular localization and cause abnormal endosomal recycling. These findings provide strong evidence that ATP9A deficiency leads to neurodevelopmental disorders and synaptic dysfunctions in both humans and mice, and establishes novel regulatory roles for ATP9A in RAB5 and RAB11 activity-dependent endosomal recycling pathway and neurological diseases.
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Affiliation(s)
- Tian Meng
- Affiliated Cancer Hospital and Institute of Guangzhou Medical University, Guangzhou, 510095, China.,Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, School of Basic Medical Sciences, Guangzhou Medical University, 511436, Guangzhou, China.,State Key Laboratory of Respiratory Disease, Guangzhou Medical University, 511436, Guangzhou, China
| | - Xiaoting Chen
- Affiliated Cancer Hospital and Institute of Guangzhou Medical University, Guangzhou, 510095, China
| | - Zhengjie He
- Affiliated Cancer Hospital and Institute of Guangzhou Medical University, Guangzhou, 510095, China.,Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, School of Basic Medical Sciences, Guangzhou Medical University, 511436, Guangzhou, China
| | - Haofeng Huang
- Affiliated Cancer Hospital and Institute of Guangzhou Medical University, Guangzhou, 510095, China
| | - Shiyin Lin
- Affiliated Cancer Hospital and Institute of Guangzhou Medical University, Guangzhou, 510095, China
| | - Kunru Liu
- Affiliated Cancer Hospital and Institute of Guangzhou Medical University, Guangzhou, 510095, China
| | - Guo Bai
- Affiliated Cancer Hospital and Institute of Guangzhou Medical University, Guangzhou, 510095, China
| | - Hao Liu
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, School of Basic Medical Sciences, Guangzhou Medical University, 511436, Guangzhou, China.,State Key Laboratory of Respiratory Disease, Guangzhou Medical University, 511436, Guangzhou, China.,Qingyuan People's Hospital, The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan, 511500, China
| | - Mindong Xu
- Key Laboratory of Neuroscience, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, 511436, China
| | - Haixia Zhuang
- Department of Anesthesiology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China
| | - Yunlong Zhang
- Key Laboratory of Neuroscience, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, 511436, China
| | - Ahmed Waqas
- Department of Zoology, Division of Science and Technology, University of Education, Lahore, 54000, Pakistan
| | - Qian Liu
- Department of Cerebrovascular Disease Center, Gansu Provincial Hospital, Lanzhou, 730000, China
| | - Chuan Zhang
- Medical Genetics Center, Gansu Provincial Maternity and Child-care Hospital; Gansu Provincial Clinical Research Center for Birth Defects and Rare Diseases, Lanzhou, 730050, China
| | - Xiang-Dong Sun
- Key Laboratory of Neuroscience, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, 511436, China
| | - Huansen Huang
- Department of Anesthesiology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China
| | - Muhammad Umair
- Medical Genomics Research Department, King Abdullah International Medical Research Center (KAIMRC), King Saud Bin Abdulaziz University for Health Sciences, Ministry of National Guard Health Affairs (MNGH), Riyadh, 11481, Saudi Arabia. .,Department of Life Sciences, School of Science, University of Management and Technology (UMT), Lahore, 22209, Pakistan.
| | - Yousheng Yan
- Prenatal Diagnostic Center, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, 100026, China.
| | - Du Feng
- Affiliated Cancer Hospital and Institute of Guangzhou Medical University, Guangzhou, 510095, China. .,Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, School of Basic Medical Sciences, Guangzhou Medical University, 511436, Guangzhou, China. .,State Key Laboratory of Respiratory Disease, Guangzhou Medical University, 511436, Guangzhou, China.
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6
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Dougnon G, Matsui H. Modelling Autism Spectrum Disorder (ASD) and Attention-Deficit/Hyperactivity Disorder (ADHD) Using Mice and Zebrafish. Int J Mol Sci 2022; 23:ijms23147550. [PMID: 35886894 PMCID: PMC9319972 DOI: 10.3390/ijms23147550] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 07/01/2022] [Accepted: 07/04/2022] [Indexed: 02/06/2023] Open
Abstract
Autism spectrum disorders (ASD) and attention-deficit/hyperactivity disorder (ADHD) are two debilitating neurodevelopmental disorders. The former is associated with social impairments whereas the latter is associated with inattentiveness, hyperactivity, and impulsivity. There is recent evidence that both disorders are somehow related and that genes may play a large role in these disorders. Despite mounting human and animal research, the neurological pathways underlying ASD and ADHD are still not well understood. Scientists investigate neurodevelopmental disorders by using animal models that have high similarities in genetics and behaviours with humans. Mice have been utilized in neuroscience research as an excellent animal model for a long time; however, the zebrafish has attracted much attention recently, with an increasingly large number of studies using this model. In this review, we first discuss ASD and ADHD aetiology from a general point of view to their characteristics and treatments. We also compare mice and zebrafish for their similarities and discuss their advantages and limitations in neuroscience. Finally, we summarize the most recent and existing research on zebrafish and mouse models of ASD and ADHD. We believe that this review will serve as a unique document providing interesting information to date about these models, thus facilitating research on ASD and ADHD.
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7
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Lee H, Sung EJ, Seo S, Min EK, Lee JY, Shim I, Kim P, Kim TY, Lee S, Kim KT. Integrated multi-omics analysis reveals the underlying molecular mechanism for developmental neurotoxicity of perfluorooctanesulfonic acid in zebrafish. ENVIRONMENT INTERNATIONAL 2021; 157:106802. [PMID: 34358914 DOI: 10.1016/j.envint.2021.106802] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 07/19/2021] [Accepted: 07/26/2021] [Indexed: 06/13/2023]
Abstract
Limited studies on multi-omics have been conducted to comprehensively investigate the molecular mechanism underlying the developmental neurotoxicity of perfluorooctanesulfonic acid (PFOS). In this study, the locomotor behavior of zebrafish larvae was assessed under the exposure to 0.1-20 μM PFOS based on its reported neurobehavioral effect. After the number of zebrafish larvae was optimized for proteomics and metabolomics studies, three kinds of omics (i.e., transcriptomics, proteomics, and metabolomics) were carried out with zebrafish larvae exposed to 0.1, 1, 5, and 10 μM PFOS. More importantly, a data-driven integration of multi-omics was performed to elucidate the toxicity mechanism involved in developmental neurotoxicity. In a concentration-dependent manner, exposure to PFOS provoked hyperactivity and hypoactivity under light and dark conditions, respectively. Individual omics revealed that PFOS exposure caused perturbations in the pathways of neurological function, oxidative stress, and energy metabolism. Integrated omics implied that there were decisive pathways for axonal deformation, neuroinflammatory stimulation, and dysregulation of calcium ion signaling, which are more clearly specified for neurotoxicity. Overall, our findings broaden the molecular understanding of the developmental neurotoxicity of PFOS, for which multi-omics and integrated omics analyses are efficient for discovering the significant molecular pathways related to developmental neurotoxicity in zebrafish.
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Affiliation(s)
- Hyojin Lee
- Department of Environmental Engineering, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea
| | - Eun Ji Sung
- BK21 FOUR Community-Based Intelligent Novel Drug Discovery Education Unit, College of Pharmacy and Research Institute of Pharmaceutical Sciences, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Seungwoo Seo
- School of Earth Sciences and Environmental Engineering, Gwangju Institute of Science and Technology, Gwangju 61005, Republic of Korea
| | - Eun Ki Min
- Department of Environmental Engineering, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea
| | - Ji-Young Lee
- Environmental Health Research Department, National Institute of Environmental Research, Incheon 22689, Republic of Korea
| | - Ilseob Shim
- Environmental Health Research Department, National Institute of Environmental Research, Incheon 22689, Republic of Korea
| | - Pilje Kim
- Environmental Health Research Department, National Institute of Environmental Research, Incheon 22689, Republic of Korea
| | - Tae-Young Kim
- School of Earth Sciences and Environmental Engineering, Gwangju Institute of Science and Technology, Gwangju 61005, Republic of Korea.
| | - Sangkyu Lee
- BK21 FOUR Community-Based Intelligent Novel Drug Discovery Education Unit, College of Pharmacy and Research Institute of Pharmaceutical Sciences, Kyungpook National University, Daegu 41566, Republic of Korea.
| | - Ki-Tae Kim
- Department of Environmental Engineering, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea.
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8
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Li T, Yu D, Oak HC, Zhu B, Wang L, Jiang X, Molday RS, Kriegstein A, Piao X. Phospholipid-flippase chaperone CDC50A is required for synapse maintenance by regulating phosphatidylserine exposure. EMBO J 2021; 40:e107915. [PMID: 34585770 PMCID: PMC8561630 DOI: 10.15252/embj.2021107915] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 08/25/2021] [Accepted: 09/01/2021] [Indexed: 12/13/2022] Open
Abstract
Synaptic refinement is a critical physiological process that removes excess synapses to establish and maintain functional neuronal circuits. Recent studies have shown that focal exposure of phosphatidylserine (PS) on synapses acts as an "eat me" signal to mediate synaptic pruning. However, the molecular mechanism underlying PS externalization at synapses remains elusive. Here, we find that murine CDC50A, a chaperone of phospholipid flippases, localizes to synapses, and that its expression depends on neuronal activity. Cdc50a knockdown leads to phosphatidylserine exposure at synapses and subsequent erroneous synapse removal by microglia partly via the GPR56 pathway. Taken together, our data support that CDC50A safeguards synapse maintenance by regulating focal phosphatidylserine exposure at synapses.
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Affiliation(s)
- Tao Li
- Weill Institute for NeuroscienceUniversity of California, San Francisco (UCSF)San FranciscoCAUSA
- Newborn Brain Research InstituteUniversity of California, San Francisco (UCSF)San FranciscoCAUSA
| | - Diankun Yu
- Weill Institute for NeuroscienceUniversity of California, San Francisco (UCSF)San FranciscoCAUSA
- Newborn Brain Research InstituteUniversity of California, San Francisco (UCSF)San FranciscoCAUSA
| | - Hayeon C Oak
- Weill Institute for NeuroscienceUniversity of California, San Francisco (UCSF)San FranciscoCAUSA
- Newborn Brain Research InstituteUniversity of California, San Francisco (UCSF)San FranciscoCAUSA
| | - Beika Zhu
- Weill Institute for NeuroscienceUniversity of California, San Francisco (UCSF)San FranciscoCAUSA
- Newborn Brain Research InstituteUniversity of California, San Francisco (UCSF)San FranciscoCAUSA
| | - Li Wang
- Weill Institute for NeuroscienceUniversity of California, San Francisco (UCSF)San FranciscoCAUSA
- Department of NeurologyUniversity of California, San FranciscoSan FranciscoCAUSA
| | - Xueqiao Jiang
- Weill Institute for NeuroscienceUniversity of California, San Francisco (UCSF)San FranciscoCAUSA
- Newborn Brain Research InstituteUniversity of California, San Francisco (UCSF)San FranciscoCAUSA
| | - Robert S Molday
- Department of Biochemistry and Molecular BiologyUniversity of British ColumbiaVancouverBCCanada
| | - Arnold Kriegstein
- Weill Institute for NeuroscienceUniversity of California, San Francisco (UCSF)San FranciscoCAUSA
- Department of NeurologyUniversity of California, San FranciscoSan FranciscoCAUSA
| | - Xianhua Piao
- Weill Institute for NeuroscienceUniversity of California, San Francisco (UCSF)San FranciscoCAUSA
- Newborn Brain Research InstituteUniversity of California, San Francisco (UCSF)San FranciscoCAUSA
- Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell ResearchUniversity of California, San Francisco (UCSF)San FranciscoCAUSA
- Division of NeonatologyDepartment of PediatricsUniversity of California, San Francisco (UCSF)San FranciscoCAUSA
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9
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Regulation of phospholipid dynamics in brain. Neurosci Res 2021; 167:30-37. [PMID: 33476682 DOI: 10.1016/j.neures.2021.01.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 12/29/2020] [Accepted: 01/06/2021] [Indexed: 02/07/2023]
Abstract
Phospholipids are asymmetrically distributed at the plasma membrane. Phosphatidylserine (PtdSer) is exclusively located in the inner leaflet of the cell membrane while phosphatidylcholine (PtdCho) and glycolipids are mainly located in the outer leaflet of the membrane. However, this asymmetry is disrupted in various physiological situations, and PtdSer is exposed on the cell surface. In platelets, exposed PtdSer functions as a scaffold for the coagulation reaction, while in dead cells, exposed PtdSer serves as an "Eat-me" signal for efferocytosis. In the developing brain, synaptic connections are over-formed during the fetal period, but about half of the neurons are removed by apoptosis, and synaptic and dendritic compartments of living neurons are also removed by phagocytes. During these processes, glial cells such as microglia and astrocyte engulf unwanted dead cells and compartments in living cells using several phagocytic receptors, recognizing PtdSer by direct binding or an indirect way using secreted molecules. Based on recent findings, we will discuss how the compartments in living neurons are eliminated for the neuronal circuit plasticity.
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10
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Thongkorn S, Kanlayaprasit S, Panjabud P, Saeliw T, Jantheang T, Kasitipradit K, Sarobol S, Jindatip D, Hu VW, Tencomnao T, Kikkawa T, Sato T, Osumi N, Sarachana T. Sex differences in the effects of prenatal bisphenol A exposure on autism-related genes and their relationships with the hippocampus functions. Sci Rep 2021; 11:1241. [PMID: 33441873 PMCID: PMC7806752 DOI: 10.1038/s41598-020-80390-2] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Accepted: 12/21/2020] [Indexed: 01/29/2023] Open
Abstract
Our recent study has shown that prenatal exposure to bisphenol A (BPA) altered the expression of genes associated with autism spectrum disorder (ASD). In this study, we further investigated the effects of prenatal BPA exposure on ASD-related genes known to regulate neuronal viability, neuritogenesis, and learning/memory, and assessed these functions in the offspring of exposed pregnant rats. We found that prenatal BPA exposure increased neurite length, the number of primary neurites, and the number of neurite branches, but reduced the size of the hippocampal cell body in both sexes of the offspring. However, in utero exposure to BPA decreased the neuronal viability and the neuronal density in the hippocampus and impaired learning/memory only in the male offspring while the females were not affected. Interestingly, the expression of several ASD-related genes (e.g. Mief2, Eif3h, Cux1, and Atp8a1) in the hippocampus were dysregulated and showed a sex-specific correlation with neuronal viability, neuritogenesis, and/or learning/memory. The findings from this study suggest that prenatal BPA exposure disrupts ASD-related genes involved in neuronal viability, neuritogenesis, and learning/memory in a sex-dependent manner, and these genes may play an important role in the risk and the higher prevalence of ASD in males subjected to prenatal BPA exposure.
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Affiliation(s)
- Surangrat Thongkorn
- grid.7922.e0000 0001 0244 7875The Ph.D. Program in Clinical Biochemistry and Molecular Medicine, Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Songphon Kanlayaprasit
- grid.7922.e0000 0001 0244 7875The Ph.D. Program in Clinical Biochemistry and Molecular Medicine, Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Pawinee Panjabud
- grid.7922.e0000 0001 0244 7875The Ph.D. Program in Clinical Biochemistry and Molecular Medicine, Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Thanit Saeliw
- grid.7922.e0000 0001 0244 7875The Ph.D. Program in Clinical Biochemistry and Molecular Medicine, Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Thanawin Jantheang
- grid.7922.e0000 0001 0244 7875The Ph.D. Program in Clinical Biochemistry and Molecular Medicine, Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Kasidit Kasitipradit
- grid.7922.e0000 0001 0244 7875The Ph.D. Program in Clinical Biochemistry and Molecular Medicine, Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Suthathip Sarobol
- grid.411628.80000 0000 9758 8584Specimen Center, Department of Laboratory Medicine, King Chulalongkorn Memorial Hospital, Bangkok, Thailand
| | - Depicha Jindatip
- grid.7922.e0000 0001 0244 7875Department of Anatomy, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand ,grid.7922.e0000 0001 0244 7875SYstems Neuroscience of Autism and PSychiatric Disorders (SYNAPS) Research Unit, Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Valerie W. Hu
- grid.253615.60000 0004 1936 9510Department of Biochemistry and Molecular Medicine, The George Washington University School of Medicine and Health Sciences, The George Washington University, Washington, DC USA
| | - Tewin Tencomnao
- grid.7922.e0000 0001 0244 7875Age-Related Inflammation and Degeneration Research Unit, Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Takako Kikkawa
- grid.69566.3a0000 0001 2248 6943Department of Developmental Neuroscience, United Centers for Advanced Research and Translational Medicine (ART), Tohoku University Graduate School of Medicine, Sendai, Miyagi Japan
| | - Tatsuya Sato
- grid.412754.10000 0000 9956 3487Department of Healthcare Management, Faculty of Health Sciences, Tohoku Fukushi University, Sendai, Miyagi Japan
| | - Noriko Osumi
- grid.69566.3a0000 0001 2248 6943Department of Developmental Neuroscience, United Centers for Advanced Research and Translational Medicine (ART), Tohoku University Graduate School of Medicine, Sendai, Miyagi Japan
| | - Tewarit Sarachana
- grid.7922.e0000 0001 0244 7875SYstems Neuroscience of Autism and PSychiatric Disorders (SYNAPS) Research Unit, Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, Thailand ,grid.7922.e0000 0001 0244 7875Age-Related Inflammation and Degeneration Research Unit, Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, Thailand
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11
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Marsillo A, David L, Gerges B, Kerr D, Sadek R, Lasiychuk V, Salame D, Soliman Y, Menkes S, Chatterjee A, Mancuso A, Banerjee P. PKC epsilon as a neonatal target to correct FXS-linked AMPA receptor translocation in the hippocampus, boost PVN oxytocin expression, and normalize adult behavior in Fmr1 knockout mice. Biochim Biophys Acta Mol Basis Dis 2020; 1867:166048. [PMID: 33359697 DOI: 10.1016/j.bbadis.2020.166048] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 11/19/2020] [Accepted: 12/14/2020] [Indexed: 12/29/2022]
Abstract
Fragile X Syndrome (FXS) is an inherited developmental disorder caused by the non-expression of the Fmr1 gene. FXS is associated with abnormal social and anxiety behavior that is more prominent among males. Given that oxytocin (OXT) regulates both social and anxiety behavior, we studied the effect of FXS in the hypothalamic paraventricular nucleus (PVN), the major central source of OXT. We observed a significant suppression of protein kinase C epsilon (PKCε) (34%) in the ventral hippocampal CA1 region of postnatal day-18 (P18) male Fmr1 knockout (KO) mice, which displayed social behavior deficits and hyper-anxiety in adulthood. These mice also displayed a 39% increase in cell surface α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptor (AMPAR) at P18 (measured by the surface level of the AMPAR subunit GluR2), thereby indicating excitation of the CA1 neurons. It is known that neuronal activation at CA1 is linked to an inhibition of the PVN neurons. As expected, these mice also displayed a 25% suppression of oxytocin+ (OXT+) cells in the PVN at P20. Stimulating PKCε during postnatal days 6-,14 (P6-14) mice using a selective activator, dicyclopropyl-linoleic acid (DCP-LA), corrected AMPAR externalization in CA1 and suppression of OXT+ cell number in PVN in a PKCε dependent manner. Most notably, neonatal DCP-LA treatment rescued social behavior deficits and hyper-anxiety, displayed by adult (≥P60) male but not female KO mice. Thus, neonatal stimulation of PKCε could be a strategy to correct endophenotypic anomalies during brain development and aberrant adult behavior of the FXS males to the wild-type levels.
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Affiliation(s)
- Alexandra Marsillo
- CUNY Doctoral Programs in Biology, The College of Staten Island (CUNY), Staten Island, NY 10314-6609, United States of America
| | - Lovena David
- Center for Developmental Neuroscience, The College of Staten Island (CUNY), Staten Island, NY 10314-6609, United States of America
| | - Bishoy Gerges
- Center for Developmental Neuroscience, The College of Staten Island (CUNY), Staten Island, NY 10314-6609, United States of America
| | - Daniel Kerr
- Center for Developmental Neuroscience, The College of Staten Island (CUNY), Staten Island, NY 10314-6609, United States of America
| | - Rodina Sadek
- Center for Developmental Neuroscience, The College of Staten Island (CUNY), Staten Island, NY 10314-6609, United States of America
| | - Vitaliy Lasiychuk
- Center for Developmental Neuroscience, The College of Staten Island (CUNY), Staten Island, NY 10314-6609, United States of America
| | - David Salame
- Center for Developmental Neuroscience, The College of Staten Island (CUNY), Staten Island, NY 10314-6609, United States of America
| | - Youstina Soliman
- Center for Developmental Neuroscience, The College of Staten Island (CUNY), Staten Island, NY 10314-6609, United States of America
| | - Silvia Menkes
- Center for Developmental Neuroscience, The College of Staten Island (CUNY), Staten Island, NY 10314-6609, United States of America
| | - Aheli Chatterjee
- Center for Developmental Neuroscience, The College of Staten Island (CUNY), Staten Island, NY 10314-6609, United States of America
| | - Andrew Mancuso
- CUNY Doctoral Programs in Biochemistry, The College of Staten Island (CUNY), Staten Island, NY 10314-6609, United States of America
| | - Probal Banerjee
- CUNY Doctoral Programs in Biology, The College of Staten Island (CUNY), Staten Island, NY 10314-6609, United States of America; Department of Chemistry, The College of Staten Island (CUNY), Staten Island, NY 10314-6609, United States of America; Center for Developmental Neuroscience, The College of Staten Island (CUNY), Staten Island, NY 10314-6609, United States of America.
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12
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Luo T, Ou JN, Cao LF, Peng XQ, Li YM, Tian YQ. The Autism-Related lncRNA MSNP1AS Regulates Moesin Protein to Influence the RhoA, Rac1, and PI3K/Akt Pathways and Regulate the Structure and Survival of Neurons. Autism Res 2020; 13:2073-2082. [PMID: 33215882 DOI: 10.1002/aur.2413] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 09/27/2020] [Accepted: 09/29/2020] [Indexed: 01/13/2023]
Abstract
Autism spectrum disorder (ASD) is a complex disease involving multiple genes and multiple sites, and it is closely related to environmental factors. It has been gradually revealed that long noncoding RNAs (lncRNAs) may regulate the pathogenesis of ASD at the epigenetic level. In neuronal cells, the lncRNA moesin pseudogene 1 antisense (MSNP1AS) forms a double-stranded RNA with moesin (MSN) to suppress moesin protein expression. MSNP1AS overexpression can activate the RhoA pathway and inhibit the Rac1 and PI3K/Akt pathways; however, the regulation of Rac1 by MSNP1AS is not associated with MSN, and the effect on the RhoA pathway may also be associated with other factors. MSNP1AS can decrease the number and length of neurites, inhibit neuronal cell viability and migration, and promote apoptosis. Downregulation of MSN expression functions similarly to MSNP1AS, and its overexpression can block the above functions of MSNP1AS. In addition, in vivo experiments show that MSN improves social interactions and reduces repetitive behaviors in BTBR mice, decreases the activity of RhoA and restores the activity of PI3K/Akt pathway. Therefore, the abnormal expression of MSNP1AS in ASD patients might influence the structure and survival of neuronal cells through the regulation of moesin protein expression to facilitate the development and progression of ASD. These findings provide new evidence for studying the mechanisms of lncRNAs in ASD. LAY SUMMARY: Autism spectrum disorder (ASD) is a common neurodevelopmental disease and its neurodevelopmental mechanisms have not been elucidated. More and more studies have found that long noncoding RNAs (lncRNAs) can regulate the development of central nervous system in many ways and affect the pathogenic process of ASD. Moesin pseudogene 1 antisense (MSNP1AS) is an up-regulated lncRNA in ASD patients. In-depth functional experiments showed that MSNP1AS inhibited moesin protein expression and regulated the activation of multiple signaling pathways, thus decreasing the number and length of neurites, inhibiting neuronal cell viability and migration, and promoting apoptosis. Therefore, MSNP1AS is an important lncRNA related to ASD and can regulate the biological function of neurons.
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Affiliation(s)
- Ting Luo
- XiangYa School of Public Health, Central South University, Changsha, China.,Clinical Nursing Teaching and Research Section, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Jin-Nan Ou
- Clinical Nursing Teaching and Research Section, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Li-Fang Cao
- Clinical Nursing Teaching and Research Section, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Xiao-Qing Peng
- Medical Administration Department, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Ya-Min Li
- Clinical Nursing Teaching and Research Section, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Yong-Quan Tian
- XiangYa School of Public Health, Central South University, Changsha, China
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13
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Stock R, Jeckel P, Kraushaar U, Wüst R, Fallgatter A, Volkmer H. The potential of induced pluripotent stem cells for discriminating neurodevelopmental disorders. Stem Cells Transl Med 2020; 10:50-56. [PMID: 32864861 PMCID: PMC7780807 DOI: 10.1002/sctm.20-0206] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 07/20/2020] [Accepted: 08/03/2020] [Indexed: 12/14/2022] Open
Abstract
Studying human disease‐specific processes and mechanisms in vitro is limited by a lack of valid human test systems. Induced pluripotent stem cells (iPSCs) evolve as an important and promising tool to better understand the molecular pathology of neurodevelopmental disorders. Patient‐derived iPSCs enable analysis of unique disease mechanisms and may also serve for preclinical drug development. Here, we review the current knowledge on iPSC models for schizophrenia and autism spectrum disorders with emphasis on the discrimination between them. It appears that transcriptomic analyses and functional read‐outs are the most promising approaches to uncover specific disease mechanisms in vitro.
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Affiliation(s)
- Ricarda Stock
- Department of Molecular Biology, NMI Natural and Medical Sciences Institute at the University of Tübingen, Reutlingen, Germany
| | - Pauline Jeckel
- Department of Molecular Biology, NMI Natural and Medical Sciences Institute at the University of Tübingen, Reutlingen, Germany
| | - Udo Kraushaar
- Department of Molecular Biology, NMI Natural and Medical Sciences Institute at the University of Tübingen, Reutlingen, Germany
| | - Richard Wüst
- Department of Psychiatry, University of Tübingen, Tübingen, Germany
| | | | - Hansjürgen Volkmer
- Department of Molecular Biology, NMI Natural and Medical Sciences Institute at the University of Tübingen, Reutlingen, Germany
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14
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Mattucci F, Galaverni M, Lyons LA, Alves PC, Randi E, Velli E, Pagani L, Caniglia R. Genomic approaches to identify hybrids and estimate admixture times in European wildcat populations. Sci Rep 2019; 9:11612. [PMID: 31406125 PMCID: PMC6691104 DOI: 10.1038/s41598-019-48002-w] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Accepted: 07/25/2019] [Indexed: 12/22/2022] Open
Abstract
The survival of indigenous European wildcat (Felis silvestris silvestris) populations can be locally threatened by introgressive hybridization with free-ranging domestic cats. Identifying pure wildcats and investigating the ancestry of admixed individuals becomes thus a conservation priority. We analyzed 63k cat Single Nucleotide Polymorphisms (SNPs) with multivariate, Bayesian and gene-search tools to better evaluate admixture levels between domestic and wild cats collected in Europe, timing and ancestry proportions of their hybrids and backcrosses, and track the origin (wild or domestic) of the genomic blocks carried by admixed cats, also looking for possible deviations from neutrality in their inheritance patterns. Small domestic ancestry blocks were detected in the genomes of most admixed cats, which likely originated from hybridization events occurring from 6 to 22 generations in the past. We identified about 1,900 outlier coding genes with excess of wild or domestic ancestry compared to random expectations in the admixed individuals. More than 600 outlier genes were significantly enriched for Gene Ontology (GO) categories mainly related to social behavior, functional and metabolic adaptive processes (wild-like genes), involved in cognition and neural crest development (domestic-like genes), or associated with immune system functions and lipid metabolism (parental-like genes). These kinds of genomic ancestry analyses could be reliably applied to unravel the admixture dynamics in European wildcats, as well as in other hybridizing populations, in order to design more efficient conservation plans.
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Affiliation(s)
- Federica Mattucci
- Area per la Genetica della Conservazione (BIO-CGE), Istituto Superiore per la Protezione e la Ricerca Ambientale (ISPRA), Ozzano dell'Emilia, Italy.
| | | | - Leslie A Lyons
- Department of Veterinary Medicine and Surgery, College of Veterinary Medicine, University of Missouri, Columbia, USA
| | - Paulo C Alves
- Centro de Investigação em Biodiversidade e Recursos Genéticos (CIBIO), InBio - Laboratório Associado, Campus Agrário de Vairão, Vairão, Portugal
- Departamento de Biologia, Faculdade de Ciências, Universidade do Porto, Porto, Portugal
- Wildlife Biology Program, Department of Ecosystem and Conservation Sciences, University of Montana, Missoula, USA
| | - Ettore Randi
- Department of Biological, Geological and Environmental Sciences, University of Bologna, Bologna, Italy
- Department of Chemistry and Bioscience, Faculty of Engineering and Science, University of Aalborg, Aalborg, Denmark
| | - Edoardo Velli
- Area per la Genetica della Conservazione (BIO-CGE), Istituto Superiore per la Protezione e la Ricerca Ambientale (ISPRA), Ozzano dell'Emilia, Italy
| | - Luca Pagani
- Dipartimento di Biologia, Università degli Studi di Padova, Padua, Italy
- Estonian Biocentre, Institute of Genomics, University of Tartu, Tartu, Estonia
| | - Romolo Caniglia
- Area per la Genetica della Conservazione (BIO-CGE), Istituto Superiore per la Protezione e la Ricerca Ambientale (ISPRA), Ozzano dell'Emilia, Italy
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15
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Huang H, Cheng S, Ding M, Wen Y, Ma M, Zhang L, Li P, Cheng B, Liang X, Liu L, Du Y, Zhao Y, Kafle OP, Han B, Zhang F. Integrative analysis of transcriptome-wide association study and mRNA expression profiles identifies candidate genes associated with autism spectrum disorders. Autism Res 2018; 12:33-38. [PMID: 30561910 DOI: 10.1002/aur.2048] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Revised: 10/11/2018] [Accepted: 10/21/2018] [Indexed: 12/24/2022]
Abstract
Autism spectrum disorders (ASD) are a group of highly heritable psychiatric syndromes with high prevalence. The genetic mechanism of ASD remains elusive now. Here we conducted a transcriptome-wide association study (TWAS) of ASD. The GWAS summary data of ASD was driven from the Psychiatric Genomics Consortium (PGC) portal, totally involving 5,305 ASD cases and 5,305 controls. FUSION software was applied to the GWAS summary data for tissue-related TWAS of ASD considering brain and blood. The ASD associated genes identified by TWAS were further validated by mRNA expression profiling of ASD and the Simons Foundation for Autism Research (SFARI) Gene tool. DAVID 6.8 was used to perform gene ontology (GO) enrichment analysis of ASD associated genes identified by TWAS. TWAS identified 85 genes with TWAS P value <0.05 for ASD. Further comparing the 85 genes with the differentially expressed genes identified by mRNA expression profiling of ASD patients found 5 overlapped genes, including MUTYH (PTWAS = 0.0460, PmRNA = 0.0040), ARHGAP27 (PTWAS = 0.0100, PmRNA = 0.0016), GCA (PTWAS = 0.0480, PmRNA = 0.0063), CCDC14 (PTWAS = 0.0067, PmRNA = 0.0035), and MED15 (PTWAS = 0.0324, PmRNA = 0.0092). Gene Ontology (GO) enrichment analysis of the genes identified by TWAS detected 10 significant GO terms, such as mitochondrion (P = 0.0051), NAD or NADH binding (P = 0.0169), mitochondrial part (P = 0.0386) and 2-oxoglutarate metabolic process (P = 0.0399). In conclusion, this study identified multiple ASD associated genes and gene sets, providing novel clues for revealing the pathogenesis of ASD. Autism Research 2019, 12: 33-38. © 2018 International Society for Autism Research, Wiley Periodicals, Inc. LAY SUMMARY: Recent genetic studies of autism spectrum disorders (ASD) have found multiple ASD related genes. However, the results of these studies were hardly replicated with each other, providing limited clues for exploring the genetic mechanism of ASD. This study detected a group of candidate genes showing transcriptome-wide associations with ASD. These results may provide novel clues for revealing the pathogenesis of ASD.
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Affiliation(s)
- Huimei Huang
- Health Science Center, Xi'an Jiaotong University, Xi'an, China.,The Affiliated Children Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Shiqiang Cheng
- School of Public Health, Health Science Center, Xi'an Jiaotong University, Xi'an, China
| | - Miao Ding
- School of Public Health, Health Science Center, Xi'an Jiaotong University, Xi'an, China
| | - Yan Wen
- School of Public Health, Health Science Center, Xi'an Jiaotong University, Xi'an, China
| | - Mei Ma
- School of Public Health, Health Science Center, Xi'an Jiaotong University, Xi'an, China
| | - Lu Zhang
- School of Public Health, Health Science Center, Xi'an Jiaotong University, Xi'an, China
| | - Ping Li
- School of Public Health, Health Science Center, Xi'an Jiaotong University, Xi'an, China
| | - Bolun Cheng
- School of Public Health, Health Science Center, Xi'an Jiaotong University, Xi'an, China
| | - Xiao Liang
- School of Public Health, Health Science Center, Xi'an Jiaotong University, Xi'an, China
| | - Li Liu
- School of Public Health, Health Science Center, Xi'an Jiaotong University, Xi'an, China
| | - Yanan Du
- School of Public Health, Health Science Center, Xi'an Jiaotong University, Xi'an, China
| | - Yan Zhao
- School of Public Health, Health Science Center, Xi'an Jiaotong University, Xi'an, China
| | - Om Prakash Kafle
- School of Public Health, Health Science Center, Xi'an Jiaotong University, Xi'an, China
| | - Bei Han
- School of Public Health, Health Science Center, Xi'an Jiaotong University, Xi'an, China
| | - Feng Zhang
- School of Public Health, Health Science Center, Xi'an Jiaotong University, Xi'an, China
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16
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El-Missiry MA, Othman AI, El-Sawy MR, Lebede MF. Neuroprotective effect of epigallocatechin-3-gallate (EGCG) on radiation-induced damage and apoptosis in the rat hippocampus. Int J Radiat Biol 2018; 94:798-808. [PMID: 29939076 DOI: 10.1080/09553002.2018.1492755] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
PURPOSE This study investigated the potential neuroprotective effect of epigallocatechin-3-gallate (EGCG) on radiation-induced cell death and damage in the hippocampus. MATERIALS AND METHODS Adult male Wister rats received oral treatment with EGCG at doses of 2.5 and 5 mg/kg/d for 3 d before 4 Gy γ irradiation. RESULTS The pretreatment of irradiated rats with EGCG significantly ameliorated the increased plasma levels of homocysteine, amyloid β, TNF-α and IL-6 levels and the decrease of dopamine and serotonin. Pretreatment with EGCG also significantly ameliorated the irradiation-induced increase in the 4-HNE and protein carbonyl levels and the decreased antioxidants including glutathione level, and the activities of glutathione peroxidase and glutathione reductase in the hippocampus. EGCG treatment prior to radiation exposure protected against DNA damage and apoptosis in the hippocampus. The increase in the levels of p53, Cytochrome-c, Bax and caspases 3 and 9 in the hippocampus were significantly ameliorated with a significant increase in Bcl-2. These changes were supported by marked protection of the dentate gyrus that exhibited a similar histological structure of the control animals. CONCLUSIONS EGCG can attenuate the severity of radiation-induced damage and cell death in hippocampus recommending polyphenols as successful option for protecting against radiation-induced hippocampal damage.
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Affiliation(s)
- Mohamed A El-Missiry
- a Zoology Department, Faculty of Science , Mansoura University , Mansoura , Egypt.,b Prince Sultan Military Collage of Health Sciences , Dhahran , KSA
| | - Azza I Othman
- a Zoology Department, Faculty of Science , Mansoura University , Mansoura , Egypt
| | - Mamdouh R El-Sawy
- a Zoology Department, Faculty of Science , Mansoura University , Mansoura , Egypt
| | - Mohamad F Lebede
- c Medical Laboratory Department, Faculty of Medical Technology , Tobruk University , Tobruk , Libya
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17
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Lo CL, Lumeng L, Bell RL, Liang T, Lossie AC, Muir WM, Zhou FC. CIS-Acting Allele-Specific Expression Differences Induced by Alcohol and Impacted by Sex as Well as Parental Genotype of Origin. Alcohol Clin Exp Res 2018; 42:1444-1453. [PMID: 29786868 PMCID: PMC7560966 DOI: 10.1111/acer.13776] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Accepted: 05/09/2018] [Indexed: 02/06/2023]
Abstract
BACKGROUND Alcohol use disorders (AUDs) are influenced by complex interactions between the genetics of the individual and their environment. We have previously identified hundreds of polygenic genetic variants between the selectively bred high- and low-alcohol drinking (HAD and LAD) rat lines. Here, we report allele-specific expression (ASE) differences, between the HAD2 and LAD2 rat lines. METHODS The HAD2 and LAD2 rats, which have been sequenced, were reciprocally crossed to generate 10 litters of F1 progeny. For 5 of these litters, the sire was HAD2, and for the other 5 litters, the sire was a LAD2. From these 10 litters, 2 males and 2 females were picked from each F1 litter (N = 40 total). The F1 pups were divided, balancing for sex and direction of cross, into an alcohol (15%) versus a water control group. Alcohol drinking started in the middle of adolescence (~postnatal day 35) and lasted 9 weeks. At the end of these treatments, rats were euthanized, the nucleus accumbens was dissected, and RNA was processed for RNA-sequencing and ASE analyses. RESULTS Analyses revealed that adolescent ethanol (EtOH) drinking, individual EtOH drinking levels, parentage, and sex-of-animal affected ASEs of about 300 genes. The identified genes included those associated with EtOH metabolism (e.g., Aldh2); neuromodulatory function (e.g., Cckbr, Slc6a7, and Slc1a1); ion channel activity (e.g., Kcnc3); and other synaptic and epigenetic functions. CONCLUSIONS These data indicate that EtOH drinking differentially amplified paternal versus maternal allelic contribution to the transcriptome. We hypothesize that this was due, at least in part, to EtOH-induced changes in cis-regulation of polymorphisms previously identified between the HAD2 and LAD2 rat lines. This report highlights the complexity of gene-by-environment interactions mediating a genetic predisposition for, and/or the active development of, AUDs.
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Affiliation(s)
- Chiao-Ling Lo
- Department of Anatomy & Cell Biology, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
| | - Lawrence Lumeng
- Indiana Alcohol Research Center, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
| | - Richard L. Bell
- Indiana Alcohol Research Center, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
- Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
- Stark Neuroscience Research Institute, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
| | - Tiebing Liang
- Indiana Alcohol Research Center, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
- Department of Gastroenterology, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
| | - Amy C. Lossie
- Indiana Alcohol Research Center, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
- Department of Animal Sciences, Purdue University, West Lafayette, IN, 47907, USA
| | - Williams M. Muir
- Indiana Alcohol Research Center, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
- Department of Animal Sciences, Purdue University, West Lafayette, IN, 47907, USA
| | - Feng C. Zhou
- Department of Anatomy & Cell Biology, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
- Indiana Alcohol Research Center, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
- Stark Neuroscience Research Institute, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
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