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Huang Y, Lu Y, Zhao X, Zhang J, Zhang F, Chen Y, Bi L, Gu J, Jiang Z, Wu X, Li Q, Liu Y, Shen J, Liu X. Cytokine activin C ameliorates chronic neuropathic pain in peripheral nerve injury rodents by modulating the TRPV1 channel. Br J Pharmacol 2020; 177:5642-5657. [PMID: 33095918 PMCID: PMC7707095 DOI: 10.1111/bph.15284] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 09/06/2020] [Accepted: 09/25/2020] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND AND PURPOSE The cytokine activin C is mainly expressed in small-diameter dorsal root ganglion (DRG) neurons and suppresses inflammatory pain. However, the effects of activin C in neuropathic pain remain elusive. EXPERIMENTAL APPROACH Male rats and wild-type and TRPV1 knockout mice with peripheral nerve injury - sciatic nerve axotomy and spinal nerve ligation in rats; chronic constriction injury (CCI) in mice - provided models of chronic neuropathic pain. Ipsilateral lumbar (L)4-5 DRGs were assayed for activin C expression. Chronic neuropathic pain animals were treated with intrathecal or locally pre-administered activin C or the vehicle. Nociceptive behaviours and pain-related markers in L4-5 DRGs and spinal cord were evaluated. TRPV1 channel modulation by activin C was measured. KEY RESULTS Following peripheral nerve injury, expression of activin βC subunit mRNA and activin C protein was markedly up-regulated in L4-5 DRGs of animals with axotomy, SNL or CCI. [Correction added on 26 November 2020, after first online publication: The preceding sentence has been corrected in this current version.] Intrathecal activin C dose-dependently inhibited neuropathic pain in spinal nerve ligated rats. Local pre-administration of activin C decreased neuropathic pain, macrophage infiltration into ipsilateral L4-5 DRGs and microglial reaction in L4-5 spinal cords of mice with CCI. In rat DRG neurons, activin C enhanced capsaicin-induced TRPV1 currents. Pre-treatment with activin C reduced capsaicin-evoked acute hyperalgesia and normalized capsaicin-evoked persistent hypothermia in mice. Finally, the analgesic effect of activin C was abolished in TRPV1 knockout mice with CCI. CONCLUSION AND IMPLICATIONS Activin C inhibits neuropathic pain by modulating TRPV1 channels, revealing potential analgesic applications in chronic neuropathic pain therapy.
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Affiliation(s)
- Ya‐Kun Huang
- School of PharmacyNantong UniversityNantongChina
- Pain and Related Diseases Research LaboratoryShantou University Medical CollegeShantouChina
| | - Yu‐Gang Lu
- Department of Anesthesiology, Shanghai Pulmonary HospitalTongji University School of MedicineShanghaiChina
| | - Xin Zhao
- Department of GeriatricsRenji Hospital, School of Medicine, Shanghai Jiaotong UniversityShanghaiChina
| | - Jing‐Bing Zhang
- Pain and Related Diseases Research LaboratoryShantou University Medical CollegeShantouChina
| | | | - Yong Chen
- School of PharmacyNantong UniversityNantongChina
| | - Ling‐Bo Bi
- School of PharmacyNantong UniversityNantongChina
| | - Jia‐Hui Gu
- School of PharmacyNantong UniversityNantongChina
| | - Zuo‐Jie Jiang
- Pain and Related Diseases Research LaboratoryShantou University Medical CollegeShantouChina
| | - Xiao‐Man Wu
- Pain and Related Diseases Research LaboratoryShantou University Medical CollegeShantouChina
| | - Qing‐Yi Li
- Pain and Related Diseases Research LaboratoryShantou University Medical CollegeShantouChina
| | - Yanli Liu
- College of Pharmaceutical ScienceSoochow UniversitySuzhouChina
| | - Jian‐Xin Shen
- Pain and Related Diseases Research LaboratoryShantou University Medical CollegeShantouChina
| | - Xing‐Jun Liu
- School of PharmacyNantong UniversityNantongChina
- Pain and Related Diseases Research LaboratoryShantou University Medical CollegeShantouChina
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Bloise E, Ciarmela P, Dela Cruz C, Luisi S, Petraglia F, Reis FM. Activin A in Mammalian Physiology. Physiol Rev 2019; 99:739-780. [DOI: 10.1152/physrev.00002.2018] [Citation(s) in RCA: 78] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Activins are dimeric glycoproteins belonging to the transforming growth factor beta superfamily and resulting from the assembly of two beta subunits, which may also be combined with alpha subunits to form inhibins. Activins were discovered in 1986 following the isolation of inhibins from porcine follicular fluid, and were characterized as ovarian hormones that stimulate follicle stimulating hormone (FSH) release by the pituitary gland. In particular, activin A was shown to be the isoform of greater physiological importance in humans. The current understanding of activin A surpasses the reproductive system and allows its classification as a hormone, a growth factor, and a cytokine. In more than 30 yr of intense research, activin A was localized in female and male reproductive organs but also in other organs and systems as diverse as the brain, liver, lung, bone, and gut. Moreover, its roles include embryonic differentiation, trophoblast invasion of the uterine wall in early pregnancy, and fetal/neonate brain protection in hypoxic conditions. It is now recognized that activin A overexpression may be either cytostatic or mitogenic, depending on the cell type, with important implications for tumor biology. Activin A also regulates bone formation and regeneration, enhances joint inflammation in rheumatoid arthritis, and triggers pathogenic mechanisms in the respiratory system. In this 30-yr review, we analyze the evidence for physiological roles of activin A and the potential use of activin agonists and antagonists as therapeutic agents.
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Affiliation(s)
- Enrrico Bloise
- Department of Morphology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil; Department of Experimental and Clinical Medicine, Università Politecnica delle Marche, Ancona, Italy; Department of Obstetrics and Gynecology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil; Department of Molecular and Developmental Medicine, Obstetrics and Gynecological Clinic, University of Siena, Siena, Italy; and Department of Biomedical, Experimental and Clinical Sciences, Division of Obstetrics and
| | - Pasquapina Ciarmela
- Department of Morphology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil; Department of Experimental and Clinical Medicine, Università Politecnica delle Marche, Ancona, Italy; Department of Obstetrics and Gynecology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil; Department of Molecular and Developmental Medicine, Obstetrics and Gynecological Clinic, University of Siena, Siena, Italy; and Department of Biomedical, Experimental and Clinical Sciences, Division of Obstetrics and
| | - Cynthia Dela Cruz
- Department of Morphology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil; Department of Experimental and Clinical Medicine, Università Politecnica delle Marche, Ancona, Italy; Department of Obstetrics and Gynecology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil; Department of Molecular and Developmental Medicine, Obstetrics and Gynecological Clinic, University of Siena, Siena, Italy; and Department of Biomedical, Experimental and Clinical Sciences, Division of Obstetrics and
| | - Stefano Luisi
- Department of Morphology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil; Department of Experimental and Clinical Medicine, Università Politecnica delle Marche, Ancona, Italy; Department of Obstetrics and Gynecology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil; Department of Molecular and Developmental Medicine, Obstetrics and Gynecological Clinic, University of Siena, Siena, Italy; and Department of Biomedical, Experimental and Clinical Sciences, Division of Obstetrics and
| | - Felice Petraglia
- Department of Morphology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil; Department of Experimental and Clinical Medicine, Università Politecnica delle Marche, Ancona, Italy; Department of Obstetrics and Gynecology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil; Department of Molecular and Developmental Medicine, Obstetrics and Gynecological Clinic, University of Siena, Siena, Italy; and Department of Biomedical, Experimental and Clinical Sciences, Division of Obstetrics and
| | - Fernando M. Reis
- Department of Morphology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil; Department of Experimental and Clinical Medicine, Università Politecnica delle Marche, Ancona, Italy; Department of Obstetrics and Gynecology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil; Department of Molecular and Developmental Medicine, Obstetrics and Gynecological Clinic, University of Siena, Siena, Italy; and Department of Biomedical, Experimental and Clinical Sciences, Division of Obstetrics and
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