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Lima RA, Souza IBJ, Frota GM, Prazeres TCMM, Albuquerque IC, de Sousa EM, Cartagenes MDSS, Carvalho RC, Ferreira ASP, Garcia JBS. Recent advances in the treatment of pain in endometriosis: A bibliometric analysis of experimental models. Vet World 2023; 16:2329-2339. [PMID: 38152263 PMCID: PMC10750748 DOI: 10.14202/vetworld.2023.2329-2339] [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: 06/02/2023] [Accepted: 10/16/2023] [Indexed: 12/29/2023] Open
Abstract
Background and Aim Treatment of endometriosis involves pain relief which is achieved through the administration of analgesics and non-steroidal anti-inflammatory drugs, with or without the addition of hormone therapy. At present, studies investigating endometriosis pain management using experimental rat models and the use of medications are scarce. Therefore, this study aimed to systematically evaluate research trends and critical points in the field of endometriosis pain management using experimental models. Materials and Methods A total of 30 publications related to this topic that were published from 2012 to 2022 were retrieved from various databases, including Web of Science, Scopus, PubMed, Embase, and CINAHL, using appropriate English keywords. The quality of the publications was evaluated using impact metrics, productivity, term density mapping, and author network. Results The average publication rate was three articles per year, reaching its peak in 2021 at five articles per year. The United States and China were found to be the most productive countries, with 12 and 10 publications per year, respectively. The field of medicine (37.0%) was the most abundant, although the H-index was relatively low (13:13). Term density mapping involved the search of 542 keywords, of which 35 were selected, with only 8 exhibiting significant density. Conclusion In the past decade, there has been a shortage of publications that have addressed pain in endometriosis in experimental models and, within this context the majority of the production and publication in this field has been performed by the United States and China. After performing this bibliometric review, it can be inferred that more research is required in this field, to develop new approaches and treatments for endometriotic pain.
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Affiliation(s)
- Rafael Abreu Lima
- Graduate Program in Health Sciences, Center for Biological and Health Sciences, Federal University of Maranhão, São Luís, 65085-580, Brazil
| | - Isabela Bastos Jácome Souza
- Graduate Program in Health Sciences, Center for Biological and Health Sciences, Federal University of Maranhão, São Luís, 65085-580, Brazil
| | - Gustavo Medeiros Frota
- Northeast Biotechnology Network, Center for Biological and Health Sciences, Federal University of Maranhão, São Luís, 65085-580, Brazil
| | | | - Ingrid Campos Albuquerque
- Department of Nursing, Center for Biological and Health Sciences, Federal University of Maranhão, São Luís, 65085-580, Brazil
| | - Eduardo Martins de Sousa
- Graduate Program in Health Sciences, Center for Biological and Health Sciences, Federal University of Maranhão, São Luís, 65085-580, Brazil
- Graduate Program in Microbial Biology, CEUMA University, São Luís, 65-75-120, Brazil
| | - Maria do Socorro Sousa Cartagenes
- Graduate Program in Health Sciences, Center for Biological and Health Sciences, Federal University of Maranhão, São Luís, 65085-580, Brazil
- Northeast Biotechnology Network, Center for Biological and Health Sciences, Federal University of Maranhão, São Luís, 65085-580, Brazil
| | - Rafael Cardoso Carvalho
- Graduate Program in Health Sciences, Center for Biological and Health Sciences, Federal University of Maranhão, São Luís, 65085-580, Brazil
| | - Adalgisa Sousa Paiva Ferreira
- Graduate Program in Health Sciences, Center for Biological and Health Sciences, Federal University of Maranhão, São Luís, 65085-580, Brazil
| | - João Batista Santos Garcia
- Graduate Program in Health Sciences, Center for Biological and Health Sciences, Federal University of Maranhão, São Luís, 65085-580, Brazil
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Neto AC, Santos-Pereira M, Abreu-Mendes P, Neves D, Almeida H, Cruz F, Charrua A. The Unmet Needs for Studying Chronic Pelvic/Visceral Pain Using Animal Models. Biomedicines 2023; 11:biomedicines11030696. [PMID: 36979674 PMCID: PMC10045296 DOI: 10.3390/biomedicines11030696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 02/13/2023] [Accepted: 02/16/2023] [Indexed: 03/03/2023] Open
Abstract
The different definitions of chronic pelvic/visceral pain used by international societies have changed over the years. These differences have a great impact on the way researchers study chronic pelvic/visceral pain. Recently, the role of systemic changes, including the role of the central nervous system, in the perpetuation and chronification of pelvic/visceral pain has gained weight. Consequently, researchers are using animal models that resemble those systemic changes rather than using models that are organ- or tissue-specific. In this review, we discuss the advantages and disadvantages of using bladder-centric and systemic models, enumerating some of the central nervous system changes and pain-related behaviors occurring in each model. We also present some drawbacks when using animal models and pain-related behavior tests and raise questions about possible, yet to be demonstrated, investigator-related bias. We also suggest new approaches to study chronic pelvic/visceral pain by refining existing animal models or using new ones.
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Affiliation(s)
- Ana Catarina Neto
- Experimental Biology Unit, Department of Biomedicine, Faculty of Medicine of University of Porto, 4200-319 Porto, Portugal
- I3S—Instituto de Investigação e Inovação em Saúde, University of Porto, 4200-135 Porto, Portugal
| | - Mariana Santos-Pereira
- Experimental Biology Unit, Department of Biomedicine, Faculty of Medicine of University of Porto, 4200-319 Porto, Portugal
- I3S—Instituto de Investigação e Inovação em Saúde, University of Porto, 4200-135 Porto, Portugal
| | - Pedro Abreu-Mendes
- I3S—Instituto de Investigação e Inovação em Saúde, University of Porto, 4200-135 Porto, Portugal
- Department of Urology, Centro Hospitalar de São João, 4200-319 Porto, Portugal
- Physiology and Surgery Department, Faculty of Medicine of University of Porto, 4200-319 Porto, Portugal
| | - Delminda Neves
- Experimental Biology Unit, Department of Biomedicine, Faculty of Medicine of University of Porto, 4200-319 Porto, Portugal
- I3S—Instituto de Investigação e Inovação em Saúde, University of Porto, 4200-135 Porto, Portugal
| | - Henrique Almeida
- Experimental Biology Unit, Department of Biomedicine, Faculty of Medicine of University of Porto, 4200-319 Porto, Portugal
- I3S—Instituto de Investigação e Inovação em Saúde, University of Porto, 4200-135 Porto, Portugal
- Ginecologia-Obstetrícia, Hospital-CUF Porto, 4100-180 Porto, Portugal
| | - Francisco Cruz
- I3S—Instituto de Investigação e Inovação em Saúde, University of Porto, 4200-135 Porto, Portugal
- Department of Urology, Centro Hospitalar de São João, 4200-319 Porto, Portugal
- Physiology and Surgery Department, Faculty of Medicine of University of Porto, 4200-319 Porto, Portugal
| | - Ana Charrua
- Experimental Biology Unit, Department of Biomedicine, Faculty of Medicine of University of Porto, 4200-319 Porto, Portugal
- I3S—Instituto de Investigação e Inovação em Saúde, University of Porto, 4200-135 Porto, Portugal
- Correspondence:
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Su W, Cui H, Wu D, Yu J, Ma L, Zhang X, Huang Y, Ma C. Suppression of TLR4-MyD88 signaling pathway attenuated chronic mechanical pain in a rat model of endometriosis. J Neuroinflammation 2021; 18:65. [PMID: 33673857 PMCID: PMC7934423 DOI: 10.1186/s12974-020-02066-y] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Accepted: 12/21/2020] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND As a classic innate immunity pathway, Toll-like receptor 4 (TLR4) signaling has been intensively investigated for its function of pathogen recognition. The receptor is located not only on immune cells but also on sensory neurons and spinal glia. Recent studies revealed the involvement of neuronal TLR4 in different types of pain. However, the specific role of TLR4 signaling in the pain symptom of endometriosis (EM) remains obscure. METHODS The rat endometriosis model was established by transplanting uterine horn tissue into gastrocnemius. Western blotting and/or immunofluorescent staining were applied to detect high mobility group box 1 (HMGB1), TLR4, myeloid differentiation factor-88 adaptor protein (MyD88), and nuclear factor kappa-B-p65 (NF-κB-p65) expression, as well as the activation of astrocyte and microglia. The antagonist of TLR4 (LPS-RS-Ultra, LRU) and MyD88 homodimerization inhibitory peptide (MIP) were intrathecally administrated to assess the behavioral effects of blocking TLR4 signaling on endometriosis-related pain. RESULTS Mechanical hyperalgesia was observed at the graft site, while HMGB1 was upregulated in the implanted uterine tissue, dorsal root ganglion (DRG), and spinal dorsal horn (SDH). Compared with sham group, upregulated TLR4, MyD88, and phosphorylated NF-κB-p65 were detected in the DRG and SDH in EM rats. The activation of astrocytes and microglia in the SDH was also confirmed in EM rats. Intrathecal application of LRU and MIP alleviated mechanical pain on the graft site of EM rats, with decreased phosphorylation of NF-κB-p65 in the DRG and reduced activation of glia in the SDH. CONCLUSIONS HMGB1-TLR4-MyD88 signaling pathway in the DRG and SDH may involve in endometriosis-related hyperpathia. Blockade of TLR4 and MyD88 might serve as a potential treatment for pain in endometriosis.
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Affiliation(s)
- Wenliang Su
- Department of Anesthesiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Huan Cui
- Department of Human Anatomy, Histology and Embryology, Institute of Basic Medical Sciences, Neuroscience Center, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, China
| | - Danning Wu
- Department of Human Anatomy, Histology and Embryology, Institute of Basic Medical Sciences, Neuroscience Center, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, China
| | - Jiawen Yu
- Department of Anesthesiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Lulu Ma
- Department of Anesthesiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xiuhua Zhang
- Department of Anesthesiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yuguang Huang
- Department of Anesthesiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
| | - Chao Ma
- Department of Human Anatomy, Histology and Embryology, Institute of Basic Medical Sciences, Neuroscience Center, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, China.
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Malvezzi H, Marengo EB, Podgaec S, Piccinato CDA. Endometriosis: current challenges in modeling a multifactorial disease of unknown etiology. J Transl Med 2020; 18:311. [PMID: 32787880 PMCID: PMC7425005 DOI: 10.1186/s12967-020-02471-0] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Accepted: 07/28/2020] [Indexed: 02/07/2023] Open
Abstract
Endometriosis is a chronic inflammatory hormone-dependent condition associated with pelvic pain and infertility, characterized by the growth of ectopic endometrium outside the uterus. Given its still unknown etiology, treatments usually aim at diminishing pain and/or achieving pregnancy. Despite some progress in defining mode-of-action for drug development, the lack of reliable animal models indicates that novel approaches are required. The difficulties inherent to modeling endometriosis are related to its multifactorial nature, a condition that hinders the recreation of its pathology and the identification of clinically relevant metrics to assess drug efficacy. In this review, we report and comment endometriosis models and how they have led to new therapies. We envision a roadmap for endometriosis research, integrating Artificial Intelligence, three-dimensional cultures and organ-on-chip models as ways to achieve better understanding of physiopathological features and better tailored effective treatments.
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Affiliation(s)
- Helena Malvezzi
- Hospital Israelita Albert Einstein, São Paulo, SP 05652-900 Brazil
| | - Eliana Blini Marengo
- Instituto Butanta- EstabilidadeBiotech Quality Control, São Paulo, SP 05503-900 Brazil
| | - Sérgio Podgaec
- Hospital Israelita Albert Einstein, São Paulo, SP 05652-900 Brazil
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Greaves E, Rosser M, Saunders PTK. Endometriosis-Associated Pain - Do Preclinical Rodent Models Provide a Good Platform for Translation? ADVANCES IN ANATOMY, EMBRYOLOGY, AND CELL BIOLOGY 2020; 232:25-55. [PMID: 33278006 DOI: 10.1007/978-3-030-51856-1_3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Pelvic pain is a common symptom of endometriosis. Our understanding of its etiology remains incomplete and medical management is limited by poor translation from preclinical models to clinical trials. In this review, we briefly consider the evidence, or lack thereof, that different subtypes of lesion, extra-uterine bleeding, and neuropathic pathways add to the complex and heterogeneous pain experience of women with the condition. We summarize the studies in rodent models of endometriosis that have used behavioral endpoints (evoked and non-evoked) to explore mechanisms of endometriosis-associated pain. Lesion innervation, activation of nerves by pronociceptive molecules released by immune cells, and a role for estrogen in modulating hyperalgesia are key endometriosis-associated pain mechanisms replicated in preclinical rodent models. The presence of ectopic (full thickness uterus or endometrial) tissue may be associated with changes in the spinal cord and brain, which appear to model changes reported in patients. While preclinical models using rats and mice have yielded insights that appear relevant to mechanisms responsible for the development of endometriosis-associated pain, they are limited in scope. Specifically, most studies are based on models that only resulted in the formation of superficial lesions and use induced (evoked) behavioral 'pain' tests. We suggest that translation for patient benefit will be improved by new approaches including models of ovarian and deep infiltrating disease and measurement of spontaneous pain behaviors. Future studies must also capitalize on new advances in the wider field of pain medicine to identify more effective treatments for endometriosis-associated pain.
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Affiliation(s)
- Erin Greaves
- Division of Biomedical Sciences, Warwick Medical School, University of Warwick, Coventry, UK.
| | - Matthew Rosser
- Division of Biomedical Sciences, Warwick Medical School, University of Warwick, Coventry, UK
| | - Philippa T K Saunders
- Centre for Inflammation Research, The Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, UK
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Woo JH, Ahn JH, Jang DS, Choi JH. Effect of Dehydrocostus Lactone Isolated from the Roots of Aucklandia lappa on the Apoptosis of Endometriotic Cells and the Alternative Activation of Endometriosis-Associated Macrophages. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2019; 47:1289-1305. [PMID: 31488032 DOI: 10.1142/s0192415x19500666] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The roots of Aucklandia lappa have been used in traditional medicine in Asia to treat inflammation and diseases associated with pain, including endometriosis. The aim of this study was to investigate the anti-endometriotic effect of dehydrocostus lactone, an active compound in A. lappa roots, using human endometriotic cells and macrophages stimulated by these cells. Dehydrocostus lactone induced apoptotic cell death in 12Z human endometriotic cells. Dehydrocostus lactone stimulated the activation of caspase-3, -8, and -9, while caspase inhibitors significantly reversed the dehydrocostus lactone-induced cell death in 12Z cells. In addition, dehydrocostus lactone decreased the production of PGE2 and neurotrophins (BDNF, NGF, NT3, and NT4/5), which are regarded as endometriosis-associated pain factors in human endometriotic cells. Moreover, dehydrocostus lactone inhibited the expression of M2 markers (CD206, and Trem-2), IL-10, VEGF, and MMP-2/-9 in endometriosis-associated macrophages (EAMs). Furthermore, dehydrocostus lactone inhibited the Akt and NFκB pathways in both endometriotic cells and EAMs. Taken together, our findings suggest that dehydrocostus lactone, an active compound of A, lappa, has anti-endometriotic activities via induction of apoptosis and downregulation of pain factors in endometriotic cells and inhibition of the alternative activation of EAMs.
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Affiliation(s)
- Jeong-Hwa Woo
- Department of Oriental Pharmaceutical Science, College of Pharmacy, Kyung Hee University, 26 Kyunghee-Daero, Dongdaemoon-Gu, Seoul 02447, South Korea
| | - Ji-Hye Ahn
- Department of Biochemistry and Molecular Genetics, University of Virginia School of Medicine, Pinn Hall 1232, Charlottesville, VA 22908, USA
| | - Dae Sik Jang
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, 26 Kyunghee-Daero, Dongdaemoon-Gu, Seoul 02447, South Korea
| | - Jung-Hye Choi
- Department of Oriental Pharmaceutical Science, College of Pharmacy, Kyung Hee University, 26 Kyunghee-Daero, Dongdaemoon-Gu, Seoul 02447, South Korea.,Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, 26 Kyunghee-Daero, Dongdaemoon-Gu, Seoul 02447, South Korea
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Simitsidellis I, Gibson DA, Saunders PTK. Animal models of endometriosis: Replicating the aetiology and symptoms of the human disorder. Best Pract Res Clin Endocrinol Metab 2018; 32:257-269. [PMID: 29779580 DOI: 10.1016/j.beem.2018.03.004] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Endometriosis is a chronic incurable disorder that affects 1 in 10 women of reproductive age: associated symptoms include chronic pain and infertility. The aetiology of endometriosis remains poorly understood but patients, clinicians and researchers are all in agreement that new non-surgical therapies are urgently needed to reduce the severity of symptoms. Preclinical testing of drugs requires the development and validation of models that recapitulate the key features of the disorder. In this review we describe the best-validated animal models (primate, rodent, xenograft) and their contributions to our understanding of the factors underpinning the development of symptoms. We consider the evidence that these models have provided the platform for identification of new therapeutic interventions and reflect on future directions for research and drug validation.
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Affiliation(s)
- Ioannis Simitsidellis
- Medical Research Council Centre for Inflammation Research, The University of Edinburgh, Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh, EH16 4TJ, UK.
| | - Douglas A Gibson
- Medical Research Council Centre for Inflammation Research, The University of Edinburgh, Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh, EH16 4TJ, UK.
| | - Philippa T K Saunders
- Medical Research Council Centre for Inflammation Research, The University of Edinburgh, Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh, EH16 4TJ, UK.
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Malek N, Starowicz K. Joint problems arising from lack of repair mechanisms: can cannabinoids help? Br J Pharmacol 2018; 176:1412-1420. [PMID: 29574720 DOI: 10.1111/bph.14204] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Accepted: 02/22/2018] [Indexed: 12/11/2022] Open
Abstract
Osteoarthritis (OA) is the most common disease of joints, which are complex organs where cartilage, bone and synovium cooperate to allow a range of movements. During progression of the disease, the function of all three main components is jeopardized. Nevertheless, the involvement of each tissue in OA development is still not established and is the topic of the present review. The OA therapies available are symptomatic, largely targeting pain management rather than disease progression. The strong need to develop a treatment for cartilage degeneration, bone deformation and synovial inflammation has led to research on the involvement of the endocannabinoid system in the development of OA. The current review discusses the research on this topic to date and notes the advantages of exploiting endocannabinoid system modulation for cartilage, bone and synovium homeostasis, which could prevent the further progression of OA. LINKED ARTICLES: This article is part of a themed section on 8th European Workshop on Cannabinoid Research. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v176.10/issuetoc.
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Affiliation(s)
- Natalia Malek
- Department of Cell Pathophysiology, Faculty of Biotechnology, University of Wroclaw, 50-383, Wroclaw, Poland
| | - Katarzyna Starowicz
- Department of Neurochemistry, Institute of Pharmacology, Polish Academy of Sciences, 31-343, Krakow, Poland
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Sung K, Ferrari LF, Yang W, Chung C, Zhao X, Gu Y, Lin S, Zhang K, Cui B, Pearn ML, Maloney MT, Mobley WC, Levine JD, Wu C. Swedish Nerve Growth Factor Mutation (NGF R100W) Defines a Role for TrkA and p75 NTR in Nociception. J Neurosci 2018; 38:3394-3413. [PMID: 29483280 PMCID: PMC5895035 DOI: 10.1523/jneurosci.1686-17.2018] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Revised: 01/23/2018] [Accepted: 02/12/2018] [Indexed: 12/14/2022] Open
Abstract
Nerve growth factor (NGF) exerts multiple functions on target neurons throughout development. The recent discovery of a point mutation leading to a change from arginine to tryptophan at residue 100 in the mature NGFβ sequence (NGFR100W) in patients with hereditary sensory and autonomic neuropathy type V (HSAN V) made it possible to distinguish the signaling mechanisms that lead to two functionally different outcomes of NGF: trophic versus nociceptive. We performed extensive biochemical, cellular, and live-imaging experiments to examine the binding and signaling properties of NGFR100W Our results show that, similar to the wild-type NGF (wtNGF), the naturally occurring NGFR100W mutant was capable of binding to and activating the TrkA receptor and its downstream signaling pathways to support neuronal survival and differentiation. However, NGFR100W failed to bind and stimulate the 75 kDa neurotrophic factor receptor (p75NTR)-mediated signaling cascades (i.e., the RhoA-Cofilin pathway). Intraplantar injection of NGFR100W into adult rats induced neither TrkA-mediated thermal nor mechanical acute hyperalgesia, but retained the ability to induce chronic hyperalgesia based on agonism for TrkA signaling. Together, our studies provide evidence that NGFR100W retains trophic support capability through TrkA and one aspect of its nociceptive signaling, but fails to engage p75NTR signaling pathways. Our findings suggest that wtNGF acts via TrkA to regulate the delayed priming of nociceptive responses. The integration of both TrkA and p75NTR signaling thus appears to regulate neuroplastic effects of NGF in peripheral nociception.SIGNIFICANCE STATEMENT In the present study, we characterized the naturally occurring nerve growth factor NGFR100W mutant that is associated with hereditary sensory and autonomic neuropathy type V. We have demonstrated for the first time that NGFR100W retains trophic support capability through TrkA, but fails to engage p75NTR signaling pathways. Furthermore, after intraplantar injection into adult rats, NGFR100W induced neither thermal nor mechanical acute hyperalgesia, but retained the ability to induce chronic hyperalgesia. We have also provided evidence that the integration of both TrkA- and p75NTR-mediated signaling appears to regulate neuroplastic effects of NGF in peripheral nociception. Our study with NGFR100W suggests that it is possible to uncouple trophic effect from nociceptive function, both induced by wild-type NGF.
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Affiliation(s)
| | - Luiz F Ferrari
- Department of Oral Surgery, University of California San Francisco, San Francisco, California 94143
| | - Wanlin Yang
- Department of Neurosciences
- Department of Neurology and Institute of Neurology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China 200025
| | - ChiHye Chung
- Department of Biological Sciences, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul, 143-701, South Korea
| | | | - Yingli Gu
- Department of Neurosciences
- Department of Neurology, the Fourth Hospital of Harbin Medical University, Harbin, Heilongjiang, China 150001
| | - Suzhen Lin
- Department of Neurosciences
- Department of Neurology and Institute of Neurology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China 200025
| | - Kai Zhang
- Department of Chemistry
- Department of Biochemistry, Neuroscience Program, Center for Biophysics and Quantitative Biology, Chemistry-Biology Interface Training Program, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, and
| | | | - Matthew L Pearn
- Department of Anesthesiology, University of California San Diego, School of Medicine, La Jolla, California 92093
- V.A. San Diego Healthcare System, San Diego, California 92161
| | - Michael T Maloney
- Department of Neurosciences, Stanford University, Stanford, California 94305
| | | | - Jon D Levine
- Department of Oral Surgery, University of California San Francisco, San Francisco, California 94143
| | - Chengbiao Wu
- Department of Neurosciences,
- V.A. San Diego Healthcare System, San Diego, California 92161
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Cuevas M, Cruz ML, Ramirez AE, Flores I, Thompson KJ, Bayona M, Vernon MW, Appleyard CB. Stress During Development of Experimental Endometriosis Influences Nerve Growth and Disease Progression. Reprod Sci 2017; 25:347-357. [PMID: 29108503 DOI: 10.1177/1933719117737846] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
PURPOSE We have previously shown that stress prior to induction worsens clinical presentation and inflammatory parameters in a rat model of endometriosis. This study was designed to examine whether stress during the development of endometriosis can affect the growth of endometriotic implants through nerve growth and immune alterations. METHODS Endometriosis was surgically induced in female Sprague-Dawley rats by suturing uterine horn implants onto the small intestine mesentery. Two weeks later, one group of rats (endo-stress) was subjected to a 10-day swim stress protocol. Controls had no stress (endo-no stress) or sutures only and stress (sham-stress). On day 60, all rats were killed and examined for the presence of endometriotic vesicles. The size of each vesicle was measured. The uterus and colon were removed and assessed for damage, cell infiltration, and expression of nerve growth factor (NGF), its receptors (p75 and Tropomyosin receptor kinase A (Trk-A)/pTrk-A), and calcitonin gene-related peptide, a sensory fiber marker. A differential analysis of peritoneal fluid white blood cell count was performed. RESULTS Stress significantly increased endometriotic vesicle size but not colonic damage and increased infiltration of mast cells. Significantly increased expression of NGF and its receptors was found in the uterus of animals with endometriosis receiving stress. CONCLUSIONS Stress stimulates the development of ectopic endometrial vesicles in an animal model of endometriosis and increases inflammatory cell recruitment to the peritoneum. In addition, stress promotes nerve fiber growth in the uterus.
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Affiliation(s)
- Marielly Cuevas
- 1 Department of Basic Sciences, Ponce Research Institute, Ponce Health Sciences University, Ponce, Puerto Rico
| | - Myrella L Cruz
- 1 Department of Basic Sciences, Ponce Research Institute, Ponce Health Sciences University, Ponce, Puerto Rico
| | - Antonio E Ramirez
- 1 Department of Basic Sciences, Ponce Research Institute, Ponce Health Sciences University, Ponce, Puerto Rico
| | - Idhaliz Flores
- 1 Department of Basic Sciences, Ponce Research Institute, Ponce Health Sciences University, Ponce, Puerto Rico
| | - Kenira J Thompson
- 1 Department of Basic Sciences, Ponce Research Institute, Ponce Health Sciences University, Ponce, Puerto Rico
| | - Manuel Bayona
- 1 Department of Basic Sciences, Ponce Research Institute, Ponce Health Sciences University, Ponce, Puerto Rico
- 2 Public Health Program, Ponce Research Institute, Ponce Health Sciences University, Ponce Research Institute, Ponce, Puerto Rico
| | - Michael W Vernon
- 3 Department of Obstetrics and Gynecology, Center for Reproductive Medicine, West Virginia University, Morgantown, West Virginia
| | - Caroline B Appleyard
- 1 Department of Basic Sciences, Ponce Research Institute, Ponce Health Sciences University, Ponce, Puerto Rico
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Al-Mazidi S, Farhat K, Nedjadi T, Chaudhary A, Zin Al-Abdin O, Rabah D, Al-Zoghaibi M, Djouhri L. Association of Interleukin-6 and Other Cytokines with Self-Reported Pain in Prostate Cancer Patients Receiving Chemotherapy. PAIN MEDICINE 2017; 19:1058-1066. [DOI: 10.1093/pm/pnx145] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Sarah Al-Mazidi
- Department of Physiology, College of Medicine, King Saud University, P.O. Box 7805, Riyadh 11472, Saudi Arabia
- Rehabilitation Department, College of Health and Rehabilitation Sciences, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Karim Farhat
- Cancer Research Chair, Department of Surgery, College of Medicine, King Saud University, P.O. Box 7805, Riyadh 11472, Saudi Arabia
| | - TaoufiK Nedjadi
- King Abdullah International Medical Research Center (KAIMRC), King Fahd Medical Research Center, King Abdulaziz University, P.O. Box 9515, Jeddah 21423, Saudi Arabia
| | - Adeel Chaudhary
- Center of Excellence in Genomic Medicine Research, King Abdulaziz University, P.O. Box 9515, Jeddah 21423, Saudi Arabia
| | - Osman Zin Al-Abdin
- Cancer Research Chair, Department of Surgery, College of Medicine, King Saud University, P.O. Box 7805, Riyadh 11472, Saudi Arabia
| | - Danny Rabah
- Cancer Research Chair, Department of Surgery, College of Medicine, King Saud University, P.O. Box 7805, Riyadh 11472, Saudi Arabia
| | - Mohammad Al-Zoghaibi
- Department of Physiology, College of Medicine, King Saud University, P.O. Box 7805, Riyadh 11472, Saudi Arabia
| | - Laiche Djouhri
- Department of Physiology, College of Medicine, King Saud University, P.O. Box 7805, Riyadh 11472, Saudi Arabia
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12
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EP 2 receptor antagonism reduces peripheral and central hyperalgesia in a preclinical mouse model of endometriosis. Sci Rep 2017; 7:44169. [PMID: 28281561 PMCID: PMC5345039 DOI: 10.1038/srep44169] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Accepted: 02/06/2017] [Indexed: 01/22/2023] Open
Abstract
Endometriosis is an incurable gynecological disorder characterized by debilitating pain and the establishment of innervated endometriosis lesions outside the uterus. In a preclinical mouse model of endometriosis we demonstrated overexpression of the PGE2-signaling pathway (including COX-2, EP2, EP4) in endometriosis lesions, dorsal root ganglia (DRG), spinal cord, thalamus and forebrain. TRPV1, a PGE2-regulated channel in nociceptive neurons was also increased in the DRG. These findings support the concept that an amplification process occurs along the pain neuroaxis in endometriosis. We then tested TRPV1, EP2, and EP4 receptor antagonists: The EP2 antagonist was the most efficient analgesic, reducing primary hyperalgesia by 80% and secondary hyperalgesia by 40%. In this study we demonstrate reversible peripheral and central hyperalgesia in mice with induced endometriosis.
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13
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Binda MM, Donnez J, Dolmans MM. Targeting mast cells: a new way to treat endometriosis. Expert Opin Ther Targets 2016; 21:67-75. [DOI: 10.1080/14728222.2017.1260548] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Maria Mercedes Binda
- Institut de Recherche Expérimentale et Clinique (IREC) Pôle de Gynécologie, Université Catholique de Louvain (UCL), Bruxelles, Belgium
| | - Jacques Donnez
- Society for Research into Infertility (SRI, Société de Recherche pour l’Infertilité), Brussels, Belgium
| | - Marie-Madeleine Dolmans
- Institut de Recherche Expérimentale et Clinique (IREC) Pôle de Gynécologie, Université Catholique de Louvain (UCL), Bruxelles, Belgium
- Gynecology Department, Cliniques Universitaires Saint-Luc, Brussels, Belgium
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14
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Staunton CA, Mobasheri A, Barrett-Jolley R. High hopes for cannabinoid agonists in the treatment of rheumatic diseases. BMC Musculoskelet Disord 2014; 15:410. [PMID: 25477254 PMCID: PMC4289380 DOI: 10.1186/1471-2474-15-410] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/15/2014] [Accepted: 11/25/2014] [Indexed: 01/15/2023] Open
Abstract
There are two well-characterised isoforms of cannabinoid receptor; CB1 and CB2 and of these CB2 is under active investigation as a potential target for treatment of the chronic pain associated with widespread and intractable joint diseases osteoarthritis and rheumatoid arthritis. The recent report by Fukuda et al (BMC Musculoskelet Disord15:275, 2014) in BMC Musculoskeletal Disorders investigates the efficacy of a selective CB2 agonist, JW133, in both in vitro and in vivo models of rheumatoid arthritis and provides encouraging data. The report shows that JW133 inhibits expression of the CCL2 cytokine, osteoclastogenesis and reduces histological indicators of joint degeneration. Each of these could potentially contribute to beneficial analgesic effects in a therapeutic context.
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Affiliation(s)
| | | | - Richard Barrett-Jolley
- Department of Musculoskeletal Biology, Institute of Ageing and Chronic Disease, University of Liverpool, Liverpool L69 3GA, United Kingdom.
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15
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Power over Pain: A Brief Review of Current and Novel Interventions for Endometriosis-Associated Pain. JOURNAL OF ENDOMETRIOSIS AND PELVIC PAIN DISORDERS 2014. [DOI: 10.5301/je.5000199] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
An estimated 10%-15% of women of reproductive age suffer from endometriosis and can be plagued with one or many forms of pain. It is no mystery that endometriosis is an extremely complex disease, with several factors leading to the predominant symptoms of infertility and pain. Although there are currently multiple options available for treating endometriosis-associated pain, none have the ability to completely relieve the symptoms. This review both highlights the current trends in treatment of endometriosis-associated pain and explores some novel options available for therapy directed towards oxidative stress, inflammation and nociceptive mechanisms of pain. A PubMed search was conducted to identify the most recent publications on the topic of pain associated with endometriosis, and further research was performed to clarify the mechanism by which current treatments target pain. Lastly, the authors include a review of pharmacological options at the forefront of endometriosis research. A more comprehensive understanding of the mechanisms behind endometriosis-associated pain will ultimately lead to more effective treatments and improved prognoses for patients.
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