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Liu K, Li H, Zeng N, Lu W, Wu X, Xu H, Yan C, Wu L. Decline of stress resilience in aging rats: Focus on choroid plexus-cerebrospinal fluid-hippocampus. World J Biol Psychiatry 2022:1-15. [PMID: 36416065 DOI: 10.1080/15622975.2022.2151044] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Objectives: This study was designed to examine the mechanisms underlying decline of stress resilience in aged rats from the perspective of CP-CSF-hippocampus.Methods: Male Wistar rats (7-8 weeks old or 20 months old) were subjected to chronic unpredictable mild stress (CUMS) for 6 weeks. The behavioral tests were conducted to assess anxiety, depression and cognitive function. Hippocampal neurogenesis, apoptosis and synaptic plasticity were detected by western blot (WB) and/or immunofluorescence (IF) assay. Differential expression of growth factors (GFs) and axon guidance proteins (AGPs) in CSF was analyzed using the quantitative proteomics approach. IF and WB were performed to detect expression of occludin-1, Ki-67/Transthyretin, and folate transporters in choroid plexus (CP).Results: Decreased proliferation, impaired structure and transport function of CP were correlated with CSF composition alterations in stressed aging rats, including reduced 5-Methyltetrahydrofolate, growth factors and axon growth factors. Nutritional support of CSF upon hippocampus was attenuated, therefore affecting hippocampal plasticity. It has led to depression-like behaviors and cognitive deficits in stressful aged rats.Conclusions: Keeping normal structure and function of CP-CSF system may be a practical strategy for neuropsychological disorders in the elderly. This work provides evidential basis for CP transplant and CSF replacement therapy in future studies.
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Affiliation(s)
- Kaige Liu
- Research Center of Basic Integrative Medicine, School of Basic Medical Science, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Huizhen Li
- Key Laboratory of Depression Animal Model Based on TCM Syndrome, Key Laboratory of TCM for Prevention and Treatment of Brain Diseases with Cognitive Dysfunction, Jiangxi University of Chinese Medicine, Nanchang, China
| | - Ningxi Zeng
- Research Center of Basic Integrative Medicine, School of Basic Medical Science, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Wenjun Lu
- Research Center of Basic Integrative Medicine, School of Basic Medical Science, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xiaofeng Wu
- Research Center of Basic Integrative Medicine, School of Basic Medical Science, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Hanfang Xu
- Research Center of Basic Integrative Medicine, School of Basic Medical Science, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Can Yan
- Research Center of Basic Integrative Medicine, School of Basic Medical Science, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Lili Wu
- Research Center of Basic Integrative Medicine, School of Basic Medical Science, Guangzhou University of Chinese Medicine, Guangzhou, China
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Bitanihirwe BKY, Lizano P, Woo TUW. Deconstructing the functional neuroanatomy of the choroid plexus: an ontogenetic perspective for studying neurodevelopmental and neuropsychiatric disorders. Mol Psychiatry 2022; 27:3573-3582. [PMID: 35618887 PMCID: PMC9133821 DOI: 10.1038/s41380-022-01623-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 04/15/2022] [Accepted: 05/11/2022] [Indexed: 02/08/2023]
Abstract
The choroid plexus (CP) is a delicate and highly vascularized structure in the brain comprised of a dense network of fenestrated capillary loops that help in the synthesis, secretion and circulation of cerebrospinal fluid (CSF). This unique neuroanatomical structure is comprised of arachnoid villi stemming from frond-like surface projections-that protrude into the lumen of the four cerebral ventricles-providing a key source of nutrients to the brain parenchyma in addition to serving as a 'sink' for central nervous system metabolic waste. In fact, the functions of the CP are often described as being analogous to those of the liver and kidney. Beyond forming a barrier/interface between the blood and CSF compartments, the CP has been identified as a modulator of leukocyte trafficking, inflammation, cognition, circadian rhythm and the gut brain-axis. In recent years, advances in molecular biology techniques and neuroimaging along with the use of sophisticated animal models have played an integral role in shaping our understanding of how the CP-CSF system changes in relation to the maturation of neural circuits during critical periods of brain development. In this article we provide an ontogenetic perspective of the CP and review the experimental evidence implicating this structure in the pathophysiology of neurodevelopmental and neuropsychiatric disorders.
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Affiliation(s)
- Byron K Y Bitanihirwe
- Humanitarian and Conflict Response Institute, University of Manchester, Manchester, UK.
| | - Paulo Lizano
- Department of Psychiatry, Harvard Medical School, Boston, MA, USA
- Department of Psychiatry, Beth Israel Deaconess Medical Center, Boston, MA, USA
- Translational Neuroscience Division, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Tsung-Ung W Woo
- Department of Psychiatry, Harvard Medical School, Boston, MA, USA
- Program in Molecular Neuropathology, McLean Hospital, Belmont, MA, USA
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Folate Related Pathway Gene Analysis Reveals a Novel Metabolic Variant Associated with Alzheimer’s Disease with a Change in Metabolic Profile. Metabolites 2022; 12:metabo12060475. [PMID: 35736408 PMCID: PMC9230919 DOI: 10.3390/metabo12060475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 05/20/2022] [Accepted: 05/20/2022] [Indexed: 11/30/2022] Open
Abstract
Metabolic disorders may be important potential causative pathways to Alzheimer’s disease (AD). Cerebrospinal fluid (CSF) decreasing output, raised intracranial pressure, and ventricular enlargement have all been linked to AD. Cerebral folate metabolism may be a key player since this is significantly affected by such changes in CSF, and genetic susceptibilities may exist in this pathway. In the current study, we aimed to identify whether any single nucleotide polymorphism (SNPs) affecting folate and the associated metabolic pathways were significantly associated with AD. We took a functional nutrigenomics approach to look for SNPs in genes for the linked folate, methylation, and biogenic amine neurotransmitter pathways. Changes in metabolism were found with the SNPs identified. An abnormal SNP in methylene tetrahydrofolate dehydrogenase 1 (MTHFD1) was significantly predictive of AD and associated with an increase in tissue glutathione. Individuals without these SNPs had normal levels of glutathione but significantly raised MTHFD1. Both changes would serve to decrease potentially neurotoxic levels of homocysteine. Seven additional genes were associated with Alzheimer’s and five with normal ageing. MTHFD1 presents a strong prediction of susceptibility and disease among the SNPs associated with AD. Associated physiological changes present potential biomarkers for identifying at-risk individuals.
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Murtazina AR, Pronina TS, Chandran KI, Dilmukhametova LK, Bondarenko NS, Blokhin VE, Bogdanov VV, Ugrumov MV. Hypothesis on the Endocrine System of the Brain: Evidence for the Regulated Delivery of Neurohormones from the Brain to the Cerebrospinal Fluid and Vice Versa in Neonatal and Prepubertal Periods of Ontogenesis. Russ J Dev Biol 2021. [DOI: 10.1134/s1062360421060096] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Wang HZ, Luo WL, Zeng NX, Li HZ, Li L, Yan C, Wu LL. Cerebrospinal fluid proteomics reveal potential protein targets of JiaWeiSiNiSan in preventing chronic psychological stress damage. PHARMACEUTICAL BIOLOGY 2021; 59:1065-1076. [PMID: 34383630 PMCID: PMC8366672 DOI: 10.1080/13880209.2021.1954666] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
CONTEXT Chinese herbal formula JiaWeiSiNiSan (JWSNS) has been widely used to prevent stress-induced neuropsychiatric ailments in clinics and proven to have therapeutic anti-stress effects on rats. However, the mechanism remains unclear. OBJECTIVE Based on the proteomics of cerebrospinal fluid (CSF), this study explores the possible mechanism and target proteins of JiaWeiSiNiSan raising stress resilience and preventing stress damage. MATERIALS AND METHODS A 6-week Chronic Unpredictable Mild Stress (CUMS) model was applied on adult Wistar male rats to observe the effects of JWSNS on improving mental stress resilience. Tandem Mass Tag (TMT) proteomics and bioinformatics analysis were used to screen and analyze differentially expressed proteins (DEPs) in CSF. Parallel Reaction Monitoring (PRM) was used to validate target DEPs. RESULTS Significantly decreased sucrose preference, locomotion activity level and accuracy of T-maze, as well as increased immobility time, were observed in CUMS rats compared to CON rats while JWSNS improved above depression-like behaviours. The quantitative proteomics and bioinformatics analysis showed that JWSNS decreased the expression of Rps4x, HSP90AA1, Rps12, Uba1, Rsp14, Tuba1b in CUMS rats CSF (p < 0.05, FDR < 0.5). Immunofluorescence results showed that the number of BrdU/DCX positive cells (p < 0.01) and the relative number of neurons (p < 0.01) in the hippocampus dentate gyrus (DG) of the JSWNS group significantly increased, compared with the CUMS group. CONCLUSIONS JWSNS could increase mental stress resilience and prevent stress damage by regulating proteins in CSF. This study provides a scientific basis for further study on Chinese formulas preventing mental illness.
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Affiliation(s)
- Han-Zhang Wang
- Research Center for Basic Integrative Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Wu-Long Luo
- Research Center for Basic Integrative Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Ning-Xi Zeng
- Research Center for Basic Integrative Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Hui-Zhen Li
- Research Center for Basic Integrative Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Ling Li
- Research Center for Basic Integrative Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Can Yan
- Research Center for Basic Integrative Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China
- Can Yan Higher Education Mega Center, No. 232, Outer Ring East Road, Guangzhou510006, China
| | - Li-Li Wu
- Research Center for Basic Integrative Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China
- CONTACT Li-Li Wu
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Zhao S, Wang H. EVA1A Plays an Important Role by Regulating Autophagy in Physiological and Pathological Processes. Int J Mol Sci 2021; 22:ijms22126181. [PMID: 34201121 PMCID: PMC8227468 DOI: 10.3390/ijms22126181] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 06/02/2021] [Accepted: 06/04/2021] [Indexed: 12/12/2022] Open
Abstract
Eva-1 homolog A (EVA1A) is regarded as TMEM166 (transmembrane protein 166) or FAM176A (family with sequence similarity 176) and a lysosome and endoplasmic reticulum-associated protein involved in regulating autophagy and apoptosis. EVA1A regulates embryonic neurogenesis, cardiac remodeling, islet alpha-cell functions, acute liver failure, and hepatitis B virus replication. However, the related mechanisms are not fully clear. Autophagy is a process in which cells transfer pathogens, abnormal proteins and organelles to lysosomes for degradation. It plays an important role in various physiological and pathological processes, including cancer, aging, neurodegeneration, infection, heart disease, development, cell differentiation and nutritional starvation. Recently, there are many studies on the important role of EVA1A in many physiological and pathological processes by regulating autophagy. However, the related molecular mechanisms need further study. Therefore, we summarize the above-mentioned researches about the role of EVA1A in physiological and pathological processes through regulating autophagy in order to provide theoretical basis for future researches.
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Moore SA, Iulianella A. Development of the mammalian cortical hem and its derivatives: the choroid plexus, Cajal-Retzius cells and hippocampus. Open Biol 2021; 11:210042. [PMID: 33947245 PMCID: PMC8097212 DOI: 10.1098/rsob.210042] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
The dorsal medial region of the developing mammalian telencephalon plays a central role in the patterning of the adjacent brain regions. This review describes the development of this specialized region of the vertebrate brain, called the cortical hem, and the formation of the various cells and structures it gives rise to, including the choroid plexus, Cajal–Retzius cells and the hippocampus. We highlight the ontogenic processes that create these different forebrain derivatives from their shared embryonic origin and discuss the key signalling pathways and molecules that influence the patterning of the cortical hem. These include BMP, Wnt, FGF and Shh signalling pathways acting with Homeobox factors to carve the medial telencephalon into district progenitor regions, which in turn give rise to the choroid plexus, dentate gyrus and hippocampus. We then link the formation of the lateral ventricle choroid plexus with embryonic and postnatal neurogenesis in the hippocampus.
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Affiliation(s)
- Samantha A Moore
- Department of Medical Neuroscience, Faculty of Medicine, Dalhousie University, and Brain Repair Centre, Life Science Research Institute, 1348 Summer Street, Halifax, Nova Scotia, Canada, B3H4R2
| | - Angelo Iulianella
- Department of Medical Neuroscience, Faculty of Medicine, Dalhousie University, and Brain Repair Centre, Life Science Research Institute, 1348 Summer Street, Halifax, Nova Scotia, Canada, B3H4R2
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Voukali E, Veetil NK, Němec P, Stopka P, Vinkler M. Comparison of plasma and cerebrospinal fluid proteomes identifies gene products guiding adult neurogenesis and neural differentiation in birds. Sci Rep 2021; 11:5312. [PMID: 33674647 PMCID: PMC7935914 DOI: 10.1038/s41598-021-84274-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Accepted: 02/10/2021] [Indexed: 11/27/2022] Open
Abstract
Cerebrospinal fluid (CSF) proteins regulate neurogenesis, brain homeostasis and participate in signalling during neuroinflammation. Even though birds represent valuable models for constitutive adult neurogenesis, current proteomic studies of the avian CSF are limited to chicken embryos. Here we use liquid chromatography-tandem mass spectrometry (nLC-MS/MS) to explore the proteomic composition of CSF and plasma in adult chickens (Gallus gallus) and evolutionarily derived parrots: budgerigar (Melopsittacus undulatus) and cockatiel (Nymphicus hollandicus). Because cockatiel lacks a complete genome information, we compared the cross-species protein identifications using the reference proteomes of three model avian species: chicken, budgerigar and zebra finch (Taeniopygia guttata) and found the highest identification rates when mapping against the phylogenetically closest species, the budgerigar. In total, we identified 483, 641 and 458 unique proteins consistently represented in the CSF and plasma of all chicken, budgerigar and cockatiel conspecifics, respectively. Comparative pathways analyses of CSF and blood plasma then indicated clusters of proteins involved in neurogenesis, neural development and neural differentiation overrepresented in CSF in each species. This study provides the first insight into the proteomics of adult avian CSF and plasma and brings novel evidence supporting the adult neurogenesis in birds.
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Affiliation(s)
- Eleni Voukali
- Department of Zoology, Faculty of Science, Charles University, Viničná 7, 128 44, Prague, Czech Republic.
| | - Nithya Kuttiyarthu Veetil
- Department of Zoology, Faculty of Science, Charles University, Viničná 7, 128 44, Prague, Czech Republic
| | - Pavel Němec
- Department of Zoology, Faculty of Science, Charles University, Viničná 7, 128 44, Prague, Czech Republic
| | - Pavel Stopka
- Department of Zoology, Faculty of Science, Charles University, Viničná 7, 128 44, Prague, Czech Republic
| | - Michal Vinkler
- Department of Zoology, Faculty of Science, Charles University, Viničná 7, 128 44, Prague, Czech Republic.
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Kaiser K, Bryja V. Choroid Plexus: The Orchestrator of Long-Range Signalling Within the CNS. Int J Mol Sci 2020; 21:E4760. [PMID: 32635478 PMCID: PMC7369786 DOI: 10.3390/ijms21134760] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Revised: 06/26/2020] [Accepted: 07/02/2020] [Indexed: 01/24/2023] Open
Abstract
Cerebrospinal fluid (CSF) is the liquid that fills the brain ventricles. CSF represents not only a mechanical brain protection but also a rich source of signalling factors modulating diverse processes during brain development and adulthood. The choroid plexus (CP) is a major source of CSF and as such it has recently emerged as an important mediator of extracellular signalling within the brain. Growing interest in the CP revealed its capacity to release a broad variety of bioactive molecules that, via CSF, regulate processes across the whole central nervous system (CNS). Moreover, CP has been also recognized as a sensor, responding to altered composition of CSF associated with changes in the patterns of CNS activity. In this review, we summarize the recent advances in our understanding of the CP as a signalling centre that mediates long-range communication in the CNS. By providing a detailed account of the CP secretory repertoire, we describe how the CP contributes to the regulation of the extracellular environment-in the context of both the embryonal as well as the adult CNS. We highlight the role of the CP as an important regulator of CNS function that acts via CSF-mediated signalling. Further studies of CP-CSF signalling hold the potential to provide key insights into the biology of the CNS, with implications for better understanding and treatment of neuropathological conditions.
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Affiliation(s)
- Karol Kaiser
- Department of Experimental Biology, Faculty of Science, Masaryk University, 625 00 Brno, Czech Republic
| | - Vitezslav Bryja
- Department of Experimental Biology, Faculty of Science, Masaryk University, 625 00 Brno, Czech Republic
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Mira H, Morante J. Neurogenesis From Embryo to Adult - Lessons From Flies and Mice. Front Cell Dev Biol 2020; 8:533. [PMID: 32695783 PMCID: PMC7339912 DOI: 10.3389/fcell.2020.00533] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2020] [Accepted: 06/08/2020] [Indexed: 12/30/2022] Open
Abstract
The human brain is composed of billions of cells, including neurons and glia, with an undetermined number of subtypes. During the embryonic and early postnatal stages, the vast majority of these cells are generated from neural progenitors and stem cells located in all regions of the neural tube. A smaller number of neurons will continue to be generated throughout our lives, in localized neurogenic zones, mainly confined at least in rodents to the subependymal zone of the lateral ventricles and the subgranular zone of the hippocampal dentate gyrus. During neurogenesis, a combination of extrinsic cues interacting with temporal and regional intrinsic programs are thought to be critical for increasing neuronal diversity, but their underlying mechanisms need further elucidation. In this review, we discuss the recent findings in Drosophila and mammals on the types of cell division and cell interactions used by neural progenitors and stem cells to sustain neurogenesis, and how they are influenced by glia.
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Affiliation(s)
- Helena Mira
- Instituto de Biomedicina de Valencia, Consejo Superior de Investigaciones Científicas, Valencia, Spain
| | - Javier Morante
- Instituto de Neurociencias, Consejo Superior de Investigaciones Científicas y Universidad Miguel Hernandez, Alicante, Spain
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