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Yang Y, Song R, Gao Y, Yu H, Wang S. Regulatory mechanisms and therapeutic potential of JAB1 in neurological development and disorders. Mol Med 2023; 29:80. [PMID: 37365502 DOI: 10.1186/s10020-023-00675-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Accepted: 05/30/2023] [Indexed: 06/28/2023] Open
Abstract
c-Jun activation domain binding protein-1 (JAB1) is a multifunctional regulator that plays vital roles in diverse cellular processes. It regulates AP-1 transcriptional activity and also acts as the fifth component of the COP9 signalosome complex. While JAB1 is considered an oncoprotein that triggers tumor development, recent studies have shown that it also functions in neurological development and disorders. In this review, we summarize the general features of the JAB1 gene and protein, and present recent updates on the regulation of JAB1 expression. Moreover, we also highlight the functional roles and regulatory mechanisms of JAB1 in neurodevelopmental processes such as neuronal differentiation, synaptic morphogenesis, myelination, and hair cell development and in the pathogenesis of some neurological disorders such as Alzheimer's disease, multiple sclerosis, neuropathic pain, and peripheral nerve injury. Furthermore, current challenges and prospects are discussed, including updates on drug development targeting JAB1.
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Affiliation(s)
- Yu Yang
- Department of Psychiatry, Jining Medical University, Jianshe South Road No. 45, Jining, Shandong, China
- Shandong Collaborative Innovation Center for Diagnosis, Treatment and Behavioral Interventions of Mental Disorders, Jining Medical University, Jining, Shandong, China
| | - Ruying Song
- Department of Psychiatry, Jining Medical University, Jianshe South Road No. 45, Jining, Shandong, China
- Shandong Collaborative Innovation Center for Diagnosis, Treatment and Behavioral Interventions of Mental Disorders, Jining Medical University, Jining, Shandong, China
| | - Yiming Gao
- Department of Psychiatry, Jining Medical University, Jianshe South Road No. 45, Jining, Shandong, China
- Shandong Collaborative Innovation Center for Diagnosis, Treatment and Behavioral Interventions of Mental Disorders, Jining Medical University, Jining, Shandong, China
| | - Hao Yu
- Department of Psychiatry, Jining Medical University, Jianshe South Road No. 45, Jining, Shandong, China.
- Shandong Collaborative Innovation Center for Diagnosis, Treatment and Behavioral Interventions of Mental Disorders, Jining Medical University, Jining, Shandong, China.
| | - Shuai Wang
- Department of Psychiatry, Jining Medical University, Jianshe South Road No. 45, Jining, Shandong, China.
- Shandong Collaborative Innovation Center for Diagnosis, Treatment and Behavioral Interventions of Mental Disorders, Jining Medical University, Jining, Shandong, China.
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Weber LJ, Marcy HK, Shen YC, Tomkovich SE, Brooks KM, Hilk KE, Barald KF. The role of jab1, a putative downstream effector of the neurotrophic cytokine macrophage migration inhibitory factor (MIF) in zebrafish inner ear hair cell development. Exp Neurol 2017; 301:100-109. [PMID: 28928022 DOI: 10.1016/j.expneurol.2017.09.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2017] [Revised: 09/05/2017] [Accepted: 09/12/2017] [Indexed: 01/12/2023]
Abstract
Macrophage migration inhibitory factor (MIF) is a neurotrophic cytokine essential for inner ear hair cell (HC) development and statoacoustic ganglion (SAG) neurite outgrowth, and SAG survival in mouse, chick and zebrafish. Another neurotrophic cytokine, Monocyte chemoattractant protein 1 (MCP1) is known to synergize with MIF; but MCP1 alone is insufficient to support mouse/chick SAG neurite outgrowth or neuronal survival. Because of the relatively short time over which the zebrafish inner ear develops (~30hpf), the living zebrafish embryo is an ideal system to examine mif and mcp1 cytokine pathways and interactions. We used a novel technique: direct delivery of antisense oligonucleotide morpholinos (MOs) into the embryonic zebrafish otocyst to discover downstream effectors of mif as well as to clarify the relationship between mif and mcp1 in inner ear development. MOs for mif, mcp1 and the presumptive mif and mcp1 effector, c-Jun activation domain-binding protein-1 (jab1), were injected and then electroporated into the zebrafish otocyst 25-48hours post fertilization (hpf). We found that although mif is important at early stages (before 30hpf) for auditory macular HC development, jab1 is more critical for vestibular macular HC development before 30hpf. After 30hpf, mcp1 becomes important for HC development in both maculae.
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Affiliation(s)
- Loren J Weber
- Department of Cell and Developmental Biology, University of Michigan Medical School, 3728 BSRB, 109 Zina Pitcher Place, Ann Arbor, MI 48109-2200, USA.
| | - Hannah K Marcy
- Department of Cell and Developmental Biology, University of Michigan Medical School, 3728 BSRB, 109 Zina Pitcher Place, Ann Arbor, MI 48109-2200, USA; Undergraduate Research Opportunity Program, 1190 Undergraduate Science Building, 204 Washtenaw Avenue, Ann Arbor, MI 48109-2215, USA.
| | - Yu-Chi Shen
- Department of Cell and Developmental Biology, University of Michigan Medical School, 3728 BSRB, 109 Zina Pitcher Place, Ann Arbor, MI 48109-2200, USA.
| | - Sarah E Tomkovich
- Department of Cell and Developmental Biology, University of Michigan Medical School, 3728 BSRB, 109 Zina Pitcher Place, Ann Arbor, MI 48109-2200, USA; Undergraduate Research Opportunity Program, 1190 Undergraduate Science Building, 204 Washtenaw Avenue, Ann Arbor, MI 48109-2215, USA.
| | - Kristina M Brooks
- Department of Cell and Developmental Biology, University of Michigan Medical School, 3728 BSRB, 109 Zina Pitcher Place, Ann Arbor, MI 48109-2200, USA.
| | - Kelly E Hilk
- Department of Cell and Developmental Biology, University of Michigan Medical School, 3728 BSRB, 109 Zina Pitcher Place, Ann Arbor, MI 48109-2200, USA; Undergraduate Research Opportunity Program, 1190 Undergraduate Science Building, 204 Washtenaw Avenue, Ann Arbor, MI 48109-2215, USA.
| | - Kate F Barald
- Department of Cell and Developmental Biology, University of Michigan Medical School, 3728 BSRB, 109 Zina Pitcher Place, Ann Arbor, MI 48109-2200, USA; Cellular and Molecular Biology Graduate Program, University of Michigan Medical School, Ann Arbor, MI 48109-0619, USA; Department of Biomedical Engineering, College of Engineering, 2200 Bonisteel Boulevard, University of Michigan, Ann Arbor, MI 48109-2099, USA.
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Upregulation of PRDM5 Is Associated with Astrocyte Proliferation and Neuronal Apoptosis Caused by Lipopolysaccharide. J Mol Neurosci 2016; 59:146-57. [PMID: 27074744 DOI: 10.1007/s12031-016-0744-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2016] [Accepted: 03/22/2016] [Indexed: 12/19/2022]
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Chen Y, Chen X, Yu J, Xu X, Wei X, Gu X, Liu C, Zhang D, Xu Z. JAB1 is Involved in Neuropathic Pain by Regulating JNK and NF-κB Activation After Chronic Constriction Injury. Neurochem Res 2015; 41:1119-29. [DOI: 10.1007/s11064-015-1802-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2015] [Revised: 12/08/2015] [Accepted: 12/09/2015] [Indexed: 12/14/2022]
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Zhang W, Liu Y, Zhu X, Cao Y, Liu Y, Mao X, Yang H, Zhou Z, Wang Y, Shen A. SCY1-Like 1-Binding Protein 1 (SCYL1BP1) Suppressed Sciatic Nerve Regeneration by Enhancing the RhoA Pathway. Mol Neurobiol 2015; 53:6342-6354. [PMID: 26572638 DOI: 10.1007/s12035-015-9531-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2015] [Accepted: 11/08/2015] [Indexed: 12/13/2022]
Abstract
SCY1-like 1-binding protein 1 (SCYL1BP1) is first identified as an interacting protein with SCYL1. Since SCYL1BP1 is a soluble protein with coiled-coil domains known to be relevant with transcriptional regulation, it has been found to activate the transcription of murine double minute 2 (MDM2) and participate in neurite outgrowth and regeneration. However, the role and mechanism of SCYL1BP1 in peripheral nerve system lesion and repair are still unknown. Here in vitro, our work demonstrated that SCYL1BP1 inhibited cAMP-induced primary Schwann cell differentiation and suppressed nerve growth factor-mediated neurite outgrowth in PC12 cells by enhancing the RhoA pathway. Furthermore, we found that pretreatment with a Rho kinase inhibitor Y-27632 resulted in partial rescue of Schwann cell differentiation and neurite outgrowth. In vivo experiments showed that SCYL1BP1 could also suppress nerve fiber regeneration. In conclusion, we speculated that SCYL1BP1 participated in Schwann cell (SC) differentiation and neurite outgrowth in the sciatic nerve after crush by regulating the RhoA pathway.
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Affiliation(s)
- Weidong Zhang
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu, People's Republic of China
| | - Yonghua Liu
- Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Medical College of Nantong University, Nantong, Jiangsu, 226001, People's Republic of China
| | - Xudong Zhu
- Medical College, Nantong University, 19 Qi-Xiu Road, Nantong, 226001, Jiangsu Province, People's Republic of China
| | - Yi Cao
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu, People's Republic of China
| | - Yang Liu
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu, People's Republic of China.,Department of Pathogen Biology, Medical College, Nantong University, Nantong, 226001, Jiangsu, People's Republic of China
| | - Xingxing Mao
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu, People's Republic of China
| | - Huiguang Yang
- Department of Orthopaedics, Affiliated Jiangyin Hospital of Nantong University, Nantong, Jiangsu, 226001, People's Republic of China
| | - Zhengming Zhou
- Department of Orthopaedics, Affiliated Jiangyin Hospital of Nantong University, Nantong, Jiangsu, 226001, People's Republic of China
| | - Youhua Wang
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu, People's Republic of China.
| | - Aiguo Shen
- Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Medical College of Nantong University, Nantong, Jiangsu, 226001, People's Republic of China.
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Krishnan A, Duraikannu A, Zochodne DW. Releasing 'brakes' to nerve regeneration: intrinsic molecular targets. Eur J Neurosci 2015; 43:297-308. [PMID: 26174154 DOI: 10.1111/ejn.13018] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2015] [Revised: 07/03/2015] [Accepted: 07/06/2015] [Indexed: 02/01/2023]
Abstract
Restoring critical neuronal architecture after peripheral nerve injury is challenging. Although immediate regenerative responses to peripheral axon injury involve the synthesis of regeneration-associated proteins in neurons and Schwann cells, an unfavorable balance between growth facilitatory and growth inhibitory signaling impairs the growth continuum of injured peripheral nerves. Molecules involved with the signaling network of tumor suppressors play crucial roles in shifting the balance between growth and restraint during axon regeneration. An understanding of the molecular framework of tumor suppressor molecules in injured neurons and its impact on stage-specific regeneration events may expose therapeutic intervention points. In this review we discuss how signaling networks of the specific tumor suppressors PTEN, Rb1, p53, p27 and p21 are altered in injured peripheral nerves and how this impacts peripheral nerve regeneration. Insights into the roles and importance of these pathways may open new avenues for improving the neurological deficits associated with nerve injury.
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Affiliation(s)
- Anand Krishnan
- Division of Neurology & Neuroscience and Mental Health Institute, Department of Medicine, University of Alberta, 7-123A Clinical Sciences Building, Edmonton, AB, T6G 2G3, Canada
| | - Arul Duraikannu
- Division of Neurology & Neuroscience and Mental Health Institute, Department of Medicine, University of Alberta, 7-123A Clinical Sciences Building, Edmonton, AB, T6G 2G3, Canada
| | - Douglas W Zochodne
- Division of Neurology & Neuroscience and Mental Health Institute, Department of Medicine, University of Alberta, 7-123A Clinical Sciences Building, Edmonton, AB, T6G 2G3, Canada
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Porrello E, Rivellini C, Dina G, Triolo D, Del Carro U, Ungaro D, Panattoni M, Feltri ML, Wrabetz L, Pardi R, Quattrini A, Previtali SC. Jab1 regulates Schwann cell proliferation and axonal sorting through p27. ACTA ACUST UNITED AC 2013; 211:29-43. [PMID: 24344238 PMCID: PMC3892969 DOI: 10.1084/jem.20130720] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Jab1 constitutes a regulatory molecule that integrates laminin211 signals in Schwann cells to govern cell cycle, cell number, and differentiation. Axonal sorting is a crucial event in nerve formation and requires proper Schwann cell proliferation, differentiation, and contact with axons. Any defect in axonal sorting results in dysmyelinating peripheral neuropathies. Evidence from mouse models shows that axonal sorting is regulated by laminin211– and, possibly, neuregulin 1 (Nrg1)–derived signals. However, how these signals are integrated in Schwann cells is largely unknown. We now report that the nuclear Jun activation domain–binding protein 1 (Jab1) may transduce laminin211 signals to regulate Schwann cell number and differentiation during axonal sorting. Mice with inactivation of Jab1 in Schwann cells develop a dysmyelinating neuropathy with axonal sorting defects. Loss of Jab1 increases p27 levels in Schwann cells, which causes defective cell cycle progression and aberrant differentiation. Genetic down-regulation of p27 levels in Jab1-null mice restores Schwann cell number, differentiation, and axonal sorting and rescues the dysmyelinating neuropathy. Thus, Jab1 constitutes a regulatory molecule that integrates laminin211 signals in Schwann cells to govern cell cycle, cell number, and differentiation. Finally, Jab1 may constitute a key molecule in the pathogenesis of dysmyelinating neuropathies.
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Affiliation(s)
- Emanuela Porrello
- Institute of Experimental Neurology (INSPE), Division of Neuroscience; 2 Department of Neurology; and 3 Division of Immunology, Transplantation, and Infectious Disease; San Raffaele Scientific Institute, 20132 Milan, Italy
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Abstract
Chronic hyperglycemia (HG)-associated reactive oxygen/nitrogen species (ROS/RNS) stress and low grade inflammation are considered to play critical roles in the development of diabetic retinopathy (DR). Excess glucose metabolic flux through the aldose reductase/polyol pathway, advanced glycation end product (AGE) formation, elevated hexosamine biosynthesis pathway (HBP), diacyl glycerol/PKC activation, and mitochondrial ROS generation are all implicated in DR. In addition, endoplasmic reticulum stress/unfolded protein response (er-UPR) and deregulation of mitochondrial quality control by autophagy/mitophagy are observed causing cellular bioenergetic deficiency and injury. Recently, a pro-oxidant and pro-apoptotic thioredoxin interacting protein (TXNIP) was shown to be highly upregulated in DR and by HG in retinal cells in culture. TXNIP binds to thioredoxin (Trx) inhibiting its oxidant scavenging and thiolreducing capacity. Hence, prolonged overexpression of TXNIP causes ROS/RNS stress, mitochondrial dysfunction, inflammation and premature cell death in DR. Initially, DR was considered as microvascular complications of endothelial dysfunction and pericyte loss characterized by capillary basement membrane thickening, pericyte ghost, blood retinal barrier leakage, acellular capillary and neovascularization. However, it is currently acknowledged that neuro-glia are also affected by HG in diabetes and that neuronal injury, glial activation, innate immunity/sterile inflammation, and ganglion apoptosis occur early in DR. In addition, retinal pigment epithelium (RPE) becomes dysfunctional in DR. Since TXNIP is induced by HG in most cells, its effects are not restricted to a particular cell type in DR. However, depending on the metabolic activity and anti-oxidant capacity, some cells may be affected earlier by TXNIP than others. Identification of TXNIP sensitive cells and elucidating the underlying mechanism(s) will be critical for preventing pre-mature cell death and progression of DR.
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Affiliation(s)
- Lalit P Singh
- Departments of Anatomy and Cell Biology and Ophthalmology, Wayne State University School of Medicine, Detroit, MI 48201, USA
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