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Hu W, Wang M, Sun G, Zhang L, Lu H. RND3 modulates microglial polarization and alleviates neuroinflammation in Parkinson's disease by suppressing NLRP3 inflammasome activation. Exp Cell Res 2024; 439:114088. [PMID: 38744409 DOI: 10.1016/j.yexcr.2024.114088] [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: 12/07/2023] [Revised: 04/29/2024] [Accepted: 05/10/2024] [Indexed: 05/16/2024]
Abstract
Neuroinflammation mediated by microglia plays an important role in the etiology of Parkinson's disease (PD). Rho family GTPase 3 (RND3) exerts anti-inflammatory effects and may act as a potential new inducer of neuroprotective phenotypes in microglia. However, whether RND3 can be used to regulate microglia activation or reduce neuroinflammation in PD remains elusive. The study investigated the microglia modulating effects and potential anti-inflammatory effects of RND3 in vivo and in vitro, using animal models of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-induced PD and cell models of BV-2 cells stimulated by LPS plus IFN-γ with or without RND3-overexpression. The results showed that RND3 was highly expressed in the MPTP-induced PD mouse model and BV-2 cells treated with LPS and IFN-γ. In vivo experiments confirmed that RND3 overexpression could modulate microglia phenotype and ameliorate MPTP-induced neuroinflammation through inhibiting activation of the NLRP3 inflammasome in substantia nigra pars compacta (SNpc). In vitro study showed that RND3 overexpression could attenuate the production of pro-inflammatory factors in BV2 cells stimulated by LPS and IFN-γ. Mechanistically, RND3 reduced the activation of the NLRP3 inflammasome upon LPS and IFN-γ stimulation. Taken together, these findings suggest that RND3 modulates microglial polarization and alleviates neuroinflammation in Parkinson's disease by suppressing NLRP3 inflammasome activation.
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Affiliation(s)
- Wentao Hu
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China.
| | - Menghan Wang
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Guifang Sun
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Limin Zhang
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Hong Lu
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China.
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Fukatsu S, Miyamoto Y, Oka Y, Ishibashi M, Shirai R, Ishida Y, Endo S, Katoh H, Yamauchi J. Investigating the Protective Effects of a Citrus Flavonoid on the Retardation Morphogenesis of the Oligodendroglia-like Cell Line by Rnd2 Knockdown. Neurol Int 2023; 16:33-61. [PMID: 38251051 PMCID: PMC10801557 DOI: 10.3390/neurolint16010003] [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: 07/26/2023] [Revised: 12/19/2023] [Accepted: 12/22/2023] [Indexed: 01/23/2024] Open
Abstract
Recent discoveries suggest links between abnormalities in cell morphogenesis in the brain and the functional deficiency of molecules controlling signal transduction in glial cells such as oligodendroglia. Rnd2 is one such molecule and one of the Rho family monomeric GTP-binding proteins. Despite the currently known functions of Rnd2, its precise roles as it relates to cell morphogenesis and disease state remain to be elucidated. First, we showed that signaling through the loss of function of the rnd2 gene affected the regulation of oligodendroglial cell-like morphological differentiation using the FBD-102b cell line, which is often utilized as a differentiation model. The knockdown of Rnd2 using the clustered regularly interspaced palindromic repeats (CRISPR)/CasRx system or RNA interference was shown to slow morphological differentiation. Second, the knockdown of Prag1 or Fyn kinase, a signaling molecule acting downstream of Rnd2, slowed differentiation. Rnd2 or Prag1 knockdown also decreased Fyn phosphorylation, which is critical for its activation and for oligodendroglial cell differentiation and myelination. Of note, hesperetin, a citrus flavonoid with protective effects on oligodendroglial cells and neurons, can recover differentiation states induced by the knockdown of Rnd2/Prag1/Fyn. Here, we showed that signaling through Rnd2/Prag1/Fyn is involved in the regulation of oligodendroglial cell-like morphological differentiation. The effects of knocking down the signaling cascade molecule can be recovered by hesperetin, highlighting an important molecular structure involved in morphological differentiation.
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Affiliation(s)
- Shoya Fukatsu
- Laboratory of Molecular Neurology, Tokyo University of Pharmacy and Life Sciences, Tokyo 192-0392, Japan; (S.F.); (Y.M.); (R.S.)
| | - Yuki Miyamoto
- Laboratory of Molecular Neurology, Tokyo University of Pharmacy and Life Sciences, Tokyo 192-0392, Japan; (S.F.); (Y.M.); (R.S.)
- Laboratory of Molecular Pharmacology, National Research Institute for Child Health and Development, Setagaya-ku, Tokyo 157-8535, Japan
| | - Yu Oka
- Personal Health Care Division, Hayashibara Co., Ltd., Okayama 702-8006, Japan
| | - Maki Ishibashi
- Personal Health Care Division, Hayashibara Co., Ltd., Okayama 702-8006, Japan
| | - Remina Shirai
- Laboratory of Molecular Neurology, Tokyo University of Pharmacy and Life Sciences, Tokyo 192-0392, Japan; (S.F.); (Y.M.); (R.S.)
| | - Yuki Ishida
- Personal Health Care Division, Hayashibara Co., Ltd., Okayama 702-8006, Japan
| | - Shin Endo
- Personal Health Care Division, Hayashibara Co., Ltd., Okayama 702-8006, Japan
| | - Hironori Katoh
- Department of Biological Chemistry, Graduate School of Science, Osaka Metropolitan University, Osaka 599-8531, Japan;
| | - Junji Yamauchi
- Laboratory of Molecular Neurology, Tokyo University of Pharmacy and Life Sciences, Tokyo 192-0392, Japan; (S.F.); (Y.M.); (R.S.)
- Laboratory of Molecular Pharmacology, National Research Institute for Child Health and Development, Setagaya-ku, Tokyo 157-8535, Japan
- Diabetic Neuropathy Project, Tokyo Metropolitan Institute of Medical Science, Setagaya-ku, Tokyo 156-8506, Japan
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Fabres RB, Cardoso DS, Aragón BA, Arruda BP, Martins PP, Ikebara JM, Drobyshevsky A, Kihara AH, de Fraga LS, Netto CA, Takada SH. Consequences of oxygen deprivation on myelination and sex-dependent alterations. Mol Cell Neurosci 2023; 126:103864. [PMID: 37268283 DOI: 10.1016/j.mcn.2023.103864] [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: 01/20/2023] [Revised: 05/07/2023] [Accepted: 05/25/2023] [Indexed: 06/04/2023] Open
Abstract
Oxygen deprivation is one of the main causes of morbidity and mortality in newborns, occurring with a higher prevalence in preterm infants, reaching 20 % to 50 % mortality in newborns in the perinatal period. When they survive, 25 % exhibit neuropsychological pathologies, such as learning difficulties, epilepsy, and cerebral palsy. White matter injury is one of the main features found in oxygen deprivation injury, which can lead to long-term functional impairments, including cognitive delay and motor deficits. The myelin sheath accounts for much of the white matter in the brain by surrounding axons and enabling the efficient conduction of action potentials. Mature oligodendrocytes, which synthesize and maintain myelination, also comprise a significant proportion of the brain's white matter. In recent years, oligodendrocytes and the myelination process have become potential therapeutic targets to minimize the effects of oxygen deprivation on the central nervous system. Moreover, evidence indicate that neuroinflammation and apoptotic pathways activated during oxygen deprivation may be influenced by sexual dimorphism. To summarize the most recent research about the impact of sexual dimorphism on the neuroinflammatory state and white matter injury after oxygen deprivation, this review presents an overview of the oligodendrocyte lineage development and myelination, the impact of oxygen deprivation and neuroinflammation on oligodendrocytes in neurodevelopmental disorders, and recent reports about sexual dimorphism regarding the neuroinflammation and white matter injury after neonatal oxygen deprivation.
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Affiliation(s)
- Rafael Bandeira Fabres
- Departamento de Bioquímica, Universidade Federal do Rio Grande do Sul (UFRGS), Ramiro Barcelos, 2600, Porto Alegre 90035-003, Brazil
| | - Débora Sterzeck Cardoso
- Neurogenetics Laboratory, Universidade Federal do ABC, Alameda da Universidade, s/n, São Bernardo do Campo 09606-045, Brazil
| | | | - Bruna Petrucelli Arruda
- Neurogenetics Laboratory, Universidade Federal do ABC, Alameda da Universidade, s/n, São Bernardo do Campo 09606-045, Brazil
| | - Pamela Pinheiro Martins
- Neurogenetics Laboratory, Universidade Federal do ABC, Alameda da Universidade, s/n, São Bernardo do Campo 09606-045, Brazil
| | - Juliane Midori Ikebara
- Neurogenetics Laboratory, Universidade Federal do ABC, Alameda da Universidade, s/n, São Bernardo do Campo 09606-045, Brazil
| | | | - Alexandre Hiroaki Kihara
- Neurogenetics Laboratory, Universidade Federal do ABC, Alameda da Universidade, s/n, São Bernardo do Campo 09606-045, Brazil
| | - Luciano Stürmer de Fraga
- Departamento de Fisiologia, Universidade Federal do Rio Grande do Sul (UFRGS), Sarmento Leite, 500, Porto Alegre 90050-170, Brazil
| | - Carlos Alexandre Netto
- Departamento de Bioquímica, Universidade Federal do Rio Grande do Sul (UFRGS), Ramiro Barcelos, 2600, Porto Alegre 90035-003, Brazil
| | - Silvia Honda Takada
- Neurogenetics Laboratory, Universidade Federal do ABC, Alameda da Universidade, s/n, São Bernardo do Campo 09606-045, Brazil.
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Cueto-Ureña C, Mocholí E, Escrivá-Fernández J, González-Granero S, Sánchez-Hernández S, Solana-Orts A, Ballester-Lurbe B, Benabdellah K, Guasch RM, García-Verdugo JM, Martín F, Coffer PJ, Pérez-Roger I, Poch E. Rnd3 Expression is Necessary to Maintain Mitochondrial Homeostasis but Dispensable for Autophagy. Front Cell Dev Biol 2022; 10:834561. [PMID: 35832788 PMCID: PMC9271580 DOI: 10.3389/fcell.2022.834561] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Accepted: 05/27/2022] [Indexed: 11/13/2022] Open
Abstract
Autophagy is a highly conserved process that mediates the targeting and degradation of intracellular components to lysosomes, contributing to the maintenance of cellular homeostasis and to obtaining energy, which ensures viability under stress conditions. Therefore, autophagy defects are common to different neurodegenerative disorders. Rnd3 belongs to the family of Rho GTPases, involved in the regulation of actin cytoskeleton dynamics and important in the modulation of cellular processes such as migration and proliferation. Murine models have shown that Rnd3 is relevant for the correct development and function of the Central Nervous System and lack of its expression produces several motor alterations and neural development impairment. However, little is known about the molecular events through which Rnd3 produces these phenotypes. Interestingly we have observed that Rnd3 deficiency correlates with the appearance of autophagy impairment profiles and irregular mitochondria. In this work, we have explored the impact of Rnd3 loss of expression in mitochondrial function and autophagy, using a Rnd3 KO CRISPR cell model. Rnd3 deficient cells show no alterations in autophagy and mitochondria turnover is not impaired. However, Rnd3 KO cells have an altered mitochondria oxidative metabolism, resembling the effect caused by oxidative stress. In fact, lack of Rnd3 expression makes these cells strictly dependent on glycolysis to obtain energy. Altogether, our results demonstrate that Rnd3 is relevant to maintain mitochondria function, suggesting a possible relationship with neurodegenerative diseases.
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Affiliation(s)
- Cristina Cueto-Ureña
- School of Health Sciences, Universidad CEU Cardenal Herrera, CEU Universities, Valencia, Spain
| | - Enric Mocholí
- Center for Molecular Medicine, University Medical Center Utrecht, Utrecht, Netherlands
| | - Josep Escrivá-Fernández
- School of Health Sciences, Universidad CEU Cardenal Herrera, CEU Universities, Valencia, Spain
| | - Susana González-Granero
- Laboratorio de Neurobiologia Comparada, Instituto Cavanilles de Biodiversidad y Biologia Evolutiva, Universidad de Valencia and CIBER de Enfermedades Neurodegenerativas (CIBERNED), Valencia, Spain
| | - Sabina Sánchez-Hernández
- Genomic Medicine Department, GENYO, Centre for Genomics and Oncological Research, Pfizer-University of Granada-Andalusian Regional Government, Health Sciences Technology Park, Granada, Spain
| | - Amalia Solana-Orts
- School of Health Sciences, Universidad CEU Cardenal Herrera, CEU Universities, Valencia, Spain
| | - Begoña Ballester-Lurbe
- School of Health Sciences, Universidad CEU Cardenal Herrera, CEU Universities, Valencia, Spain
| | - Karim Benabdellah
- Genomic Medicine Department, GENYO, Centre for Genomics and Oncological Research, Pfizer-University of Granada-Andalusian Regional Government, Health Sciences Technology Park, Granada, Spain
| | - Rosa M. Guasch
- Departamento de Bioquímica y Biología Molecular, Facultad de Farmacia, Universidad de Valencia, Valencia, Spain
| | - José Manuel García-Verdugo
- Laboratorio de Neurobiologia Comparada, Instituto Cavanilles de Biodiversidad y Biologia Evolutiva, Universidad de Valencia and CIBER de Enfermedades Neurodegenerativas (CIBERNED), Valencia, Spain
| | - Francisco Martín
- Genomic Medicine Department, GENYO, Centre for Genomics and Oncological Research, Pfizer-University of Granada-Andalusian Regional Government, Health Sciences Technology Park, Granada, Spain
| | - Paul J. Coffer
- Center for Molecular Medicine, University Medical Center Utrecht, Utrecht, Netherlands
| | - Ignacio Pérez-Roger
- School of Health Sciences, Universidad CEU Cardenal Herrera, CEU Universities, Valencia, Spain
- *Correspondence: Ignacio Pérez-Roger, ; Enric Poch,
| | - Enric Poch
- School of Health Sciences, Universidad CEU Cardenal Herrera, CEU Universities, Valencia, Spain
- *Correspondence: Ignacio Pérez-Roger, ; Enric Poch,
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