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Jiang BC, Ling YJ, Xu ML, Gu J, Wu XB, Sha WL, Tian T, Bai XH, Li N, Jiang CY, Chen O, Ma LJ, Zhang ZJ, Qin YB, Zhu M, Yuan HJ, Wu LJ, Ji RR, Gao YJ. Follistatin drives neuropathic pain in mice through IGF1R signaling in nociceptive neurons. Sci Transl Med 2024; 16:eadi1564. [PMID: 39413164 DOI: 10.1126/scitranslmed.adi1564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 05/10/2024] [Accepted: 09/25/2024] [Indexed: 10/18/2024]
Abstract
Neuropathic pain is a debilitating chronic condition that lacks effective treatment. The role of cytokine- and chemokine-mediated neuroinflammation in its pathogenesis has been well documented. Follistatin (FST) is a secreted protein known to antagonize the biological activity of cytokines in the transforming growth factor-β (TGF-β) superfamily. The involvement of FST in neuropathic pain and the underlying mechanism remain largely unknown. Here, we report that FST was up-regulated in A-fiber sensory neurons after spinal nerve ligation (SNL) in mice. Inhibition or deletion of FST alleviated neuropathic pain and reduced the nociceptive neuron hyperexcitability induced by SNL. Conversely, intrathecal or intraplantar injection of recombinant FST, or overexpression of FST in the dorsal root ganglion (DRG) neurons, induced pain hypersensitivity. Furthermore, exogenous FST increased neuronal excitability in nociceptive neurons. The biolayer interferometry (BLI) assay and coimmunoprecipitation (co-IP) demonstrated direct binding of FST to the insulin-like growth factor-1 receptor (IGF1R), and IGF1R inhibition reduced FST-induced activation of extracellular signal-regulated kinase (ERK) and protein kinase B (AKT), as well as neuronal hyperexcitability. Further co-IP analysis revealed that the N-terminal domain of FST exhibits the highest affinity for IGF1R, and blocking this interaction with a peptide derived from FST attenuated Nav1.7-mediated neuronal hyperexcitability and neuropathic pain after SNL. In addition, FST enhanced neuronal excitability in human DRG neurons through IGF1R. Collectively, our findings suggest that FST, released from A-fiber neurons, enhances Nav1.7-mediated hyperexcitability of nociceptive neurons by binding to IGF1R, making it a potential target for neuropathic pain treatment.
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Affiliation(s)
- Bao-Chun Jiang
- Institute of Pain Medicine and Special Environmental Medicine, Co-innovation Center of Neuroregeneration, Department of Pain Management of the Affiliated Hospital, Nantong University, Jiangsu 226019, China
| | - Yue-Juan Ling
- Institute of Pain Medicine and Special Environmental Medicine, Co-innovation Center of Neuroregeneration, Department of Pain Management of the Affiliated Hospital, Nantong University, Jiangsu 226019, China
| | - Meng-Lin Xu
- Institute of Pain Medicine and Special Environmental Medicine, Co-innovation Center of Neuroregeneration, Department of Pain Management of the Affiliated Hospital, Nantong University, Jiangsu 226019, China
| | - Jun Gu
- Institute of Pain Medicine and Special Environmental Medicine, Co-innovation Center of Neuroregeneration, Department of Pain Management of the Affiliated Hospital, Nantong University, Jiangsu 226019, China
| | - Xiao-Bo Wu
- Institute of Pain Medicine and Special Environmental Medicine, Co-innovation Center of Neuroregeneration, Department of Pain Management of the Affiliated Hospital, Nantong University, Jiangsu 226019, China
| | - Wei-Lin Sha
- Institute of Pain Medicine and Special Environmental Medicine, Co-innovation Center of Neuroregeneration, Department of Pain Management of the Affiliated Hospital, Nantong University, Jiangsu 226019, China
| | - Tian Tian
- Institute of Pain Medicine and Special Environmental Medicine, Co-innovation Center of Neuroregeneration, Department of Pain Management of the Affiliated Hospital, Nantong University, Jiangsu 226019, China
| | - Xue-Hui Bai
- Institute of Pain Medicine and Special Environmental Medicine, Co-innovation Center of Neuroregeneration, Department of Pain Management of the Affiliated Hospital, Nantong University, Jiangsu 226019, China
| | - Nan Li
- Department of Pain Medicine and Shenzhen Municipal Key Laboratory for Pain Medicine, Huazhong University of Science and Technology Union Shenzhen Hospital, Shenzhen, Guangdong 518052, China
| | - Chang-Yu Jiang
- Department of Pain Medicine and Shenzhen Municipal Key Laboratory for Pain Medicine, Huazhong University of Science and Technology Union Shenzhen Hospital, Shenzhen, Guangdong 518052, China
| | - Ouyang Chen
- Center for Translational Pain Medicine, Departments of Anesthesiology, Cell Biology, and Neurobiology, Duke University Medical Center, Durham, NC 27710, USA
| | - Ling-Jie Ma
- Institute of Pain Medicine and Special Environmental Medicine, Co-innovation Center of Neuroregeneration, Department of Pain Management of the Affiliated Hospital, Nantong University, Jiangsu 226019, China
| | - Zhi-Jun Zhang
- Institute of Pain Medicine and Special Environmental Medicine, Co-innovation Center of Neuroregeneration, Department of Pain Management of the Affiliated Hospital, Nantong University, Jiangsu 226019, China
| | - Yi-Bin Qin
- Institute of Pain Medicine and Special Environmental Medicine, Co-innovation Center of Neuroregeneration, Department of Pain Management of the Affiliated Hospital, Nantong University, Jiangsu 226019, China
| | - Meixuan Zhu
- Department of Psychology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Hong-Jie Yuan
- Department of Pain Management, Nantong Hospital of Traditional Chinese Medicine, Jiangsu 226001, China
| | - Long-Jun Wu
- Department of Neurology, Mayo Clinic, Rochester, MN 55905, USA
| | - Ru-Rong Ji
- Center for Translational Pain Medicine, Departments of Anesthesiology, Cell Biology, and Neurobiology, Duke University Medical Center, Durham, NC 27710, USA
| | - Yong-Jing Gao
- Institute of Pain Medicine and Special Environmental Medicine, Co-innovation Center of Neuroregeneration, Department of Pain Management of the Affiliated Hospital, Nantong University, Jiangsu 226019, China
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Saha P, Sharma SS. RNA Interference Unleashed: Current Perspective of Small Interfering RNA (siRNA) Therapeutics in the Treatment of Neuropathic Pain. ACS Pharmacol Transl Sci 2024; 7:2951-2970. [PMID: 39416962 PMCID: PMC11475279 DOI: 10.1021/acsptsci.4c00329] [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: 06/01/2024] [Revised: 08/12/2024] [Accepted: 09/09/2024] [Indexed: 10/19/2024]
Abstract
Neuropathic pain (NP) is one of the debilitating pain phenotypes that leads to the progressive degeneration of the central as well as peripheral nervous system. NP is often associated with hyperalgesia, allodynia, paresthesia, tingling, and burning sensations leading to disability, motor dysfunction, and compromised psychological state of the patients. Most of the conventional pharmacological agents are unable to improve the devastating conditions of pain because of their limited efficacy, undesirable side effects, and multifaceted pathophysiology of the diseased condition. A rapid rise in new cases of NP warrants further research for identifying the potential novel therapeutic modalities for treating NP. Recently, small interfering RNA (siRNA) approach has shown therapeutic potential in many disease conditions including NP. Delivery of siRNAs led to potential and selective downregulation of target mRNA and abolished the pain-related behaviors/pathophysiological pain response. The crucial role of siRNA in the treatment of NP by considering all of the pathways associated with NP that could be managed by siRNA therapeutics has been discussed. However, their therapeutic use is limited by several hurdles such as instability in systemic circulation due to their negative charge and membrane impermeability, off-target effects, immunogenicity, and inability to reach the intended site of action. This review also emphasizes several strategies and techniques to overcome these hurdles for translating these therapeutic siRNAs from bench to bedside by opening a new avenue for obtaining a potential therapeutic approach for treating NP.
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Affiliation(s)
- Priya Saha
- Department
of Pharmacology and Toxicology, National
Institute of Pharmaceutical Education and Research, S.A.S. Nagar, Mohali, Punjab 160062, India
| | - Shyam S. Sharma
- Department
of Pharmacology and Toxicology, National
Institute of Pharmaceutical Education and Research, S.A.S. Nagar, Mohali, Punjab 160062, India
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Chen L, Hui L, Li J. The multifaceted role of insulin-like growth factor binding protein 7. Front Cell Dev Biol 2024; 12:1420862. [PMID: 39081862 PMCID: PMC11286461 DOI: 10.3389/fcell.2024.1420862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Accepted: 07/01/2024] [Indexed: 08/02/2024] Open
Abstract
Insulin-like growth factor binding protein 7 (IGFBP7) serves as a crucial extracellular matrix protein, exerting pivotal roles in both physiological and pathological processes. This comprehensive review meticulously delineates the structural attributes of IGFBP7, juxtaposing them with other members within the IGFBP families, and delves into the expression patterns across various tissues. Furthermore, the review thoroughly examines the multifaceted functions of IGFBP7, encompassing its regulatory effects on cell proliferation, apoptosis, and migration, elucidating the underlying mechanistic pathways. Moreover, it underscores the compelling roles in tumor progression, acute kidney injury, and reproductive processes. By rigorously elucidating the diverse functionalities and regulatory networks of IGFBP7 across various physiological and pathological contexts, this review aims to furnish a robust theoretical framework and delineate future research trajectories for leveraging IGFBP7 in disease diagnosis, therapeutic interventions, and pharmaceutical innovations.
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Affiliation(s)
| | | | - Jun Li
- Department of Immunology, Center of Immunomolecular Engineering, Innovation and Practice Base for Graduate Students Education, Zunyi Medical University, Zunyi, China
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Liu F, Ye S, Zhao L, Niu Q. The role of IGF/IGF-1R signaling in the regulation of cancer stem cells. Clin Transl Oncol 2024:10.1007/s12094-024-03561-x. [PMID: 38865036 DOI: 10.1007/s12094-024-03561-x] [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: 04/08/2024] [Accepted: 06/05/2024] [Indexed: 06/13/2024]
Abstract
Cancer stem cells (CSCs) are a group of tumor cells with high tumorigenic ability and self-renewal potential similar to those of normal stem cells. CSCs are the key "seeds" for tumor development, metastasis, and recurrence. A better insight into the key mechanisms underlying CSC survival improves the efficiency of cancer therapy via specific targeting of CSCs. Insulin-like growth factor (IGF)/IGF-1 receptor (IGF-1R) signaling plays an important role in the maintenance of cancer stemness. However, the effect of IGF/IGF-1R signaling on stemness and CSCs and the underlying mechanisms are still controversial. Based on the similarity between CSCs and normal stem cells, this review discusses emerging data on the functions of IGF/IGF-1R signaling in normal stem cells and CSCs and dissects the underlying mechanisms by which IGF/IGF-1R signaling is involved in CSCs. On the other hand, this review highlighted the role of IGF/IGF-1R signaling blockade in multiple CSCs as a potential strategy to improve CSC-based therapy.
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Affiliation(s)
- Fengchao Liu
- Liver Disease Center, The Affiliated Hospital of Qingdao University, Qingdao, China.
| | - Susu Ye
- Liver Disease Center, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Liu Zhao
- Liver Disease Center, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Qinghui Niu
- Liver Disease Center, The Affiliated Hospital of Qingdao University, Qingdao, China
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Pastor J, Attali B. Opposite effects of acute and chronic IGF1 on rat dorsal root ganglion neuron excitability. Front Cell Neurosci 2024; 18:1391858. [PMID: 38919332 PMCID: PMC11196413 DOI: 10.3389/fncel.2024.1391858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Accepted: 05/29/2024] [Indexed: 06/27/2024] Open
Abstract
Insulin-like growth factor-1 (IGF-1) is a polypeptide hormone with a ubiquitous distribution in numerous tissues and with various functions in both neuronal and non-neuronal cells. IGF-1 provides trophic support for many neurons of both the central and peripheral nervous systems. In the central nervous system (CNS), IGF-1R signaling regulates brain development, increases neuronal firing and modulates synaptic transmission. IGF-1 and IGF-IR are not only expressed in CNS neurons but also in sensory dorsal root ganglion (DRG) nociceptive neurons that convey pain signals. DRG nociceptive neurons express a variety of receptors and ion channels that are essential players of neuronal excitability, notably the ligand-gated cation channel TRPV1 and the voltage-gated M-type K+ channel, which, respectively, triggers and dampens sensory neuron excitability. Although many lines of evidence suggest that IGF-IR signaling contributes to pain sensitivity, its possible modulation of TRPV1 and M-type K+ channel remains largely unexplored. In this study, we examined the impact of IGF-1R signaling on DRG neuron excitability and its modulation of TRPV1 and M-type K+ channel activities in cultured rat DRG neurons. Acute application of IGF-1 to DRG neurons triggered hyper-excitability by inducing spontaneous firing or by increasing the frequency of spikes evoked by depolarizing current injection. These effects were prevented by the IGF-1R antagonist NVP-AEW541 and by the PI3Kinase blocker wortmannin. Surprisingly, acute exposure to IGF-1 profoundly inhibited both the TRPV1 current and the spike burst evoked by capsaicin. The Src kinase inhibitor PP2 potently depressed the capsaicin-evoked spike burst but did not alter the IGF-1 inhibition of the hyperexcitability triggered by capsaicin. Chronic IGF-1 treatment (24 h) reduced the spike firing evoked by depolarizing current injection and upregulated the M-current density. In contrast, chronic IGF-1 markedly increased the spike burst evoked by capsaicin. In all, our data suggest that IGF-1 exerts complex effects on DRG neuron excitability as revealed by its dual and opposite actions upon acute and chronic exposures.
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Affiliation(s)
| | - Bernard Attali
- Department of Physiology and Pharmacology, Faculty of Medicine and Health Sciences and Sagol School of Neurosciences-Tel Aviv University, Tel Aviv, Israel
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Ye S, Wei L, Jiang Y, Yuan Y, Zeng Y, Zhu L, Xiao F. Mechanism of NO 2-induced migraine in rats: The exploration of the role of miR-653-3p/IGF1 axis. JOURNAL OF HAZARDOUS MATERIALS 2024; 465:133362. [PMID: 38157813 DOI: 10.1016/j.jhazmat.2023.133362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 12/21/2023] [Accepted: 12/21/2023] [Indexed: 01/03/2024]
Abstract
Migraine is a severely disabling primary neurological disorder. Although some studies have confirmed that nitrogen dioxide (NO2) pollution increases the risk of migraine, and our previous study demonstrated the role of the channel protein transient receptor potential cation channel subfamily V member 1 (TRPV1) in NO2-induced migraine, the underlying mechanisms have not been fully elucidated. This study aimed to explore the intrinsic toxicity mechanism of NO2-induced migraines using transcriptome sequencing. First, the differentially expressed genes in NO2-induced migraine, insulin-like growth factor 1 (IGF1) and miRNA miR-653-3p were identified using RNA and small RNA sequencing, and a protein interaction network was constructed using STRING to explore the possible mechanisms. Next, the targeting relationship between miR-653-3p and IGF1 was determined. NO2-induced migraine was verified by silencing miR-653-3p and IGF1, independently or in combination to regulate the protein kinase B (AKT)/TRPV1 signalling pathway through the miR-653-3p/IGF1 axis. These results indicate that the key molecular mechanism of NO2-induced migraine may be that the miR-653-3p/IGF1 axis regulates the AKT/TRPV1 signalling pathway to induce migraine. The findings of this study will further elucidate the neurotoxic mechanism of NO2-induced migraines and lay a new experimental foundation for implementing migraine-related preventive and therapeutic control measures.
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Affiliation(s)
- Shuzi Ye
- Department of Health Toxicology, Xiangya School of Public Health, Central South University, Changsha 410078, PR China
| | - Lai Wei
- Department of Health Toxicology, Xiangya School of Public Health, Central South University, Changsha 410078, PR China
| | - Yan Jiang
- Department of Health Toxicology, Xiangya School of Public Health, Central South University, Changsha 410078, PR China
| | - Yu Yuan
- Department of Health Toxicology, Xiangya School of Public Health, Central South University, Changsha 410078, PR China
| | - Yuan Zeng
- Department of Health Toxicology, Xiangya School of Public Health, Central South University, Changsha 410078, PR China
| | - Lemei Zhu
- School of Public Health, Changsha Medical University, Changsha 410219, Hunan, PR China
| | - Fang Xiao
- Department of Health Toxicology, Xiangya School of Public Health, Central South University, Changsha 410078, PR China.
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