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Gansemer BM, Rahman MT, Zhang Z, Green SH. Spiral ganglion neuron degeneration in aminoglycoside-deafened rats involves innate and adaptive immune responses not requiring complement. Front Mol Neurosci 2024; 17:1389816. [PMID: 38840777 PMCID: PMC11151750 DOI: 10.3389/fnmol.2024.1389816] [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: 02/22/2024] [Accepted: 04/29/2024] [Indexed: 06/07/2024] Open
Abstract
Spiral ganglion neurons (SGNs) transmit auditory information from cochlear hair cells to the brain. SGNs are thus not only important for normal hearing, but also for effective functioning of cochlear implants, which stimulate SGNs when hair cells are missing. SGNs slowly degenerate following aminoglycoside-induced hair cell loss, a process thought to involve an immune response. However, the specific immune response pathways involved remain unknown. We used RNAseq to gain a deeper understanding immune-related and other transcriptomic changes that occur in the rat spiral ganglion after kanamycin-induced deafening. Among the immune and inflammatory genes that were selectively upregulated in deafened spiral ganglia, the complement cascade genes were prominent. We then assessed SGN survival, as well as immune cell numbers and activation, in the spiral ganglia of rats with a CRISPR-Cas9-mediated knockout of complement component 3 (C3). Similar to previous findings in our lab and other deafened rodent models, we observed an increase in macrophage number and increased expression of CD68, a marker of phagocytic activity and cell activation, in macrophages in the deafened ganglia. Moreover, we found an increase in MHCII expression on spiral ganglion macrophages and an increase in lymphocyte number in the deafened ganglia, suggestive of an adaptive immune response. However, C3 knockout did not affect SGN survival or increase in macrophage number/activation, implying that complement activation does not play a role in SGN death after deafening. Together, these data suggest that both innate and adaptive immune responses are activated in the deafened spiral ganglion, with the adaptive response directly contributing to cochlear neurodegeneration.
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Affiliation(s)
| | | | | | - Steven H. Green
- Department of Biology, University of Iowa, Iowa City, IA, United States
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2
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van Doormaal PTC, Thomas S, Ajroud-Driss S, Cole RN, DeVine LR, Dimachkie MM, Geisler S, Freeman R, Simpson DM, Singleton JR, Smith AG, Stino A, Höke A. Plasma proteomic analysis on neuropathic pain in idiopathic peripheral neuropathy patients. J Peripher Nerv Syst 2024; 29:88-96. [PMID: 37989721 DOI: 10.1111/jns.12606] [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: 09/05/2023] [Revised: 11/07/2023] [Accepted: 11/20/2023] [Indexed: 11/23/2023]
Abstract
BACKGROUND AND AIMS Why only half of the idiopathic peripheral neuropathy (IPN) patients develop neuropathic pain remains unknown. By conducting a proteomics analysis on IPN patients, we aimed to discover proteins and new pathways that are associated with neuropathic pain. METHODS We conducted unbiased mass-spectrometry proteomics analysis on blood plasma from 31 IPN patients with severe neuropathic pain and 29 IPN patients with no pain, to investigate protein biomarkers and protein-protein interactions associated with neuropathic pain. Univariate modeling was done with linear mixed modeling (LMM) and corrected for multiple testing. Multivariate modeling was performed using elastic net analysis and validated with internal cross-validation and bootstrapping. RESULTS In the univariate analysis, 73 proteins showed a p-value <.05 and 12 proteins showed a p-value <.01. None were significant after Benjamini-Hochberg adjustment for multiple testing. Elastic net analysis created a model containing 12 proteins with reasonable discriminatory power to differentiate between painful and painless IPN (false-negative rate 0.10, false-positive rate 0.18, and an area under the curve 0.75). Eight of these 12 proteins were clustered into one interaction network, significantly enriched for the complement and coagulation pathway (Benjamini-Hochberg adjusted p-value = .0057), with complement component 3 (C3) as the central node. Bootstrap validation identified insulin-like growth factor-binding protein 2 (IGFBP2), complement factor H-related protein 4 (CFHR4), and ferritin light chain (FTL), as the most discriminatory proteins of the original 12 identified. INTERPRETATION This proteomics analysis suggests a role for the complement system in neuropathic pain in IPN.
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Affiliation(s)
- Perry T C van Doormaal
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- Department of Neurology, Brain Center Rudolph Magnus, Utrecht Medical Center, Utrecht, The Netherlands
- Department of Neurology, Tergooi Medical Center, Hilversum, The Netherlands
| | - Simone Thomas
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Senda Ajroud-Driss
- Department of Neurology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Robert N Cole
- Department of Biological Chemistry, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Lauren R DeVine
- Department of Biological Chemistry, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Mazen M Dimachkie
- Department of Neurology, Kansas University Medical Center, Kansas City, Missouri, USA
| | - Stefanie Geisler
- Department of Neurology, Washington University in St. Louis School of Medicine, St. Louis, Missouri, USA
| | - Roy Freeman
- Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - David M Simpson
- Department of Neurology, Icahn School of Medicine at Mount Sinai Medical Center, New York City, New York, USA
| | - J Robinson Singleton
- Department of Neurology, University of Utah School of Medicine, Salt Lake City, Utah, USA
| | - A Gordon Smith
- Department of Neurology, Virginia Commonwealth University, Richmond, Virginia, USA
| | - Amro Stino
- Department of Neurology, University of Michigan, Ann Arbor, Michigan, USA
| | - Ahmet Höke
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
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3
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Wang C, He H, Gao T, Sun X, Du L, Yang Y, Zhu J, Yang Y, Wang Y, Mi W. Analgesic Effect of Exercise on Neuropathic Pain via Regulating the Complement Component 3 of Reactive Astrocytes. Anesth Analg 2024:00000539-990000000-00724. [PMID: 38294950 DOI: 10.1213/ane.0000000000006884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2024]
Abstract
BACKGROUND Exercise has been proven to be an efficient intervention in attenuating neuropathic pain. However, the underlying mechanisms that drive exercise analgesia remain unknown. In this study, we aimed to examine the role of complement component 3 (C3) in neuropathic pain and whether antinociceptive effects are produced by exercise via regulating C3 in mice. METHODS In this study, using a spared nerve injury (SNI)-induced neuropathic pain mice model, C57BL/6J mice were divided into 3 groups: Sham mice, SNI mice, and SNI + Exercise (Ex) mice with 30-minute low-intensity aerobic treadmill running (10 m/min, no inclination). Paw withdrawal threshold; thermal withdrawal latency; and glial fibrillary acidic protein, C3, tumor necrosis factor-α, and interlukin-1β expression in the spinal cord were monitored. C3 knockout (KO) mice were further used to verify the role of C3 in neuropathic pain. RESULTS von Frey test, acetone test, and CatWalk gait analysis revealed that treadmill exercise for 4 weeks reversed pain behaviors. In addition, exercise reduced astrocyte reactivity (SNI mean = 14.5, 95% confidence interval [CI], 12.7-16.3; SNI + Ex mean = 10.3, 95% CI, 8.77-11.9, P = .0003 SNI + Ex versus SNI) and inflammatory responses in the spinal cord after SNI. Moreover, it suppressed the SNI-induced upregulation of C3 expression in the spinal cord (SNI mean = 5.46, 95% CI, 3.39-7.53; SNI + Ex mean = 2.41, 95% CI, 1.42-3.41, P = .0054 SNI + Ex versus SNI in Western blot). C3 deficiency reduced SNI-induced pain and spinal astrocyte reactivity (wild type mean = 7.96, 95% CI, 6.80-9.13; C3 KO mean = 5.98, 95% CI, 5.14-6.82, P = .0052 C3 KO versus wild type). Intrathecal injection of recombinant C3 (rC3) was sufficient to produce mechanical (rC3-Ex mean = 0.77, 95% CI, 0.15-1.39; rC3 mean = 0.18, 95% CI, -0.04 to 0.41, P = .0168 rC3-Ex versus rC3) and cold (rC3-Ex mean = 1.08, 95% CI, 0.40-1.77; rC3 mean = 3.46, 95% CI, 1.45-5.47, P = .0025 rC3-Ex versus rC3) allodynia in mice. Importantly, exercise training relieved C3-induced mechanical and cold allodynia, and the analgesic effect of exercise was attenuated by a subeffective dose of intrathecal injection of C3. CONCLUSIONS Overall, these results suggest that exercise suppresses neuropathic pain by regulating astroglial C3 expression and function, thereby providing a rationale for the analgesic effect of exercise as an acceptable alternative approach for treating neuropathic pain.
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Affiliation(s)
- Chenghao Wang
- From the Department of Integrative Medicine and Neurobiology, School of Basic Medical Science, Institutes of Integrative Medicine, Shanghai Key Laboratory of Acupuncture Mechanism and Acupoint Function, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Brain Science, Shanghai Medical College, Fudan University, Shanghai, China
- China Institute of Sport and Health Science, Beijing Sport University, Beijing, China
| | - Hui He
- China Institute of Sport and Health Science, Beijing Sport University, Beijing, China
- Key Laboratory of Physical Fitness and Exercise, Ministry of Education, Beijing Sport University, Beijing, China
| | - Tianchi Gao
- From the Department of Integrative Medicine and Neurobiology, School of Basic Medical Science, Institutes of Integrative Medicine, Shanghai Key Laboratory of Acupuncture Mechanism and Acupoint Function, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Brain Science, Shanghai Medical College, Fudan University, Shanghai, China
| | - Xinzheng Sun
- China Institute of Sport and Health Science, Beijing Sport University, Beijing, China
| | - Lixia Du
- Department of Biochemistry, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yayue Yang
- From the Department of Integrative Medicine and Neurobiology, School of Basic Medical Science, Institutes of Integrative Medicine, Shanghai Key Laboratory of Acupuncture Mechanism and Acupoint Function, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Brain Science, Shanghai Medical College, Fudan University, Shanghai, China
| | - Jianyu Zhu
- From the Department of Integrative Medicine and Neurobiology, School of Basic Medical Science, Institutes of Integrative Medicine, Shanghai Key Laboratory of Acupuncture Mechanism and Acupoint Function, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Brain Science, Shanghai Medical College, Fudan University, Shanghai, China
| | - Yachen Yang
- From the Department of Integrative Medicine and Neurobiology, School of Basic Medical Science, Institutes of Integrative Medicine, Shanghai Key Laboratory of Acupuncture Mechanism and Acupoint Function, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Brain Science, Shanghai Medical College, Fudan University, Shanghai, China
| | - Yanqing Wang
- From the Department of Integrative Medicine and Neurobiology, School of Basic Medical Science, Institutes of Integrative Medicine, Shanghai Key Laboratory of Acupuncture Mechanism and Acupoint Function, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Brain Science, Shanghai Medical College, Fudan University, Shanghai, China
| | - Wenli Mi
- From the Department of Integrative Medicine and Neurobiology, School of Basic Medical Science, Institutes of Integrative Medicine, Shanghai Key Laboratory of Acupuncture Mechanism and Acupoint Function, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Brain Science, Shanghai Medical College, Fudan University, Shanghai, China
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Xu J, Huang P, Bie B, Dai Y, Ben-Salem S, Borjini N, Zhang L, Chen J, Olman M, Cheng J, Lin F. Complement Receptor C3aR1 Contributes to Paclitaxel-Induced Peripheral Neuropathic Pain in Mice and Rats. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2023; 211:1736-1746. [PMID: 37861348 PMCID: PMC10841827 DOI: 10.4049/jimmunol.2300252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 09/22/2023] [Indexed: 10/21/2023]
Abstract
Cancer chemotherapy-induced neuropathic pain is a devastating pain syndrome without effective therapies. We previously reported that rats deficient in complement C3, the central component of complement activation cascade, showed a reduced degree of paclitaxel-induced mechanical allodynia (PIMA), suggesting that complement is integrally involved in the pathogenesis of this model. However, the underlying mechanism was unclear. Complement activation leads to the production of C3a, which mediates inflammation through its receptor C3aR1. In this article, we report that the administration of paclitaxel induced a significantly higher expression level of C3aR1 on dorsal root ganglion (DRG) macrophages and expansion of these macrophages in DRGs in wild-type (WT) compared with in C3aR1 knockout (KO) mice. We also found that paclitaxel induced less severe PIMA, along with a reduced DRG expression of transient receptor potential channels of the vanilloid subtype 4 (TRPV4), an essential mediator for PIMA, in C3aR1 KO than in WT mice. Treating WT mice or rats with a C3aR1 antagonist markedly attenuated PIMA in association with downregulated DRG TRPV4 expression, reduced DRG macrophages expansion, suppressed DRG neuron hyperexcitability, and alleviated peripheral intraepidermal nerve fiber loss. Administration of C3aR1 antagonist to TRPV4 KO mice further protected them from PIMA. These results suggest that complement regulates PIMA development through C3aR1 to upregulate TRPV4 on DRG neurons and promote DRG macrophage expansion. Targeting C3aR1 could be a novel therapeutic approach to alleviate this debilitating pain syndrome.
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Affiliation(s)
- Jijun Xu
- Department of Pain Management, Cleveland Clinic, 9500 Euclid Ave., Cleveland, OH 44195, USA
- Department of Inflammation and Immunity, 9500 Euclid Ave., Cleveland Clinic, Cleveland, OH 44195, USA
| | - Ping Huang
- Department of Inflammation and Immunity, 9500 Euclid Ave., Cleveland Clinic, Cleveland, OH 44195, USA
| | - Bihua Bie
- Department of Pain Management, Cleveland Clinic, 9500 Euclid Ave., Cleveland, OH 44195, USA
| | - Yang Dai
- Department of Inflammation and Immunity, 9500 Euclid Ave., Cleveland Clinic, Cleveland, OH 44195, USA
| | - Salma Ben-Salem
- Department of Inflammation and Immunity, 9500 Euclid Ave., Cleveland Clinic, Cleveland, OH 44195, USA
| | - Nozha Borjini
- Department of Inflammation and Immunity, 9500 Euclid Ave., Cleveland Clinic, Cleveland, OH 44195, USA
| | - Lingjun Zhang
- Department of Inflammation and Immunity, 9500 Euclid Ave., Cleveland Clinic, Cleveland, OH 44195, USA
| | - Jin Chen
- Department of Inflammation and Immunity, 9500 Euclid Ave., Cleveland Clinic, Cleveland, OH 44195, USA
| | - Mitchell Olman
- Department of Inflammation and Immunity, 9500 Euclid Ave., Cleveland Clinic, Cleveland, OH 44195, USA
| | - Jianguo Cheng
- Department of Pain Management, Cleveland Clinic, 9500 Euclid Ave., Cleveland, OH 44195, USA
- Department of Neurosciences, 9500 Euclid Ave., Cleveland Clinic, Cleveland, OH 44195, USA
| | - Feng Lin
- Department of Inflammation and Immunity, 9500 Euclid Ave., Cleveland Clinic, Cleveland, OH 44195, USA
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5
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Chen JY, Zhang L, Yang M, Hughes ED, Freeman ZT, Saunders TL, Lin F. Development of a C3 Humanized Rat as a New Model for Evaluating Novel C3 Inhibitors. J Innate Immun 2023; 16:56-65. [PMID: 38035563 PMCID: PMC10786584 DOI: 10.1159/000534963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 10/30/2023] [Indexed: 12/02/2023] Open
Abstract
INTRODUCTION C3 is central for all complement activation pathways, thus making it an attractive therapeutic target. Many C3-targeted agents are under extensive development with one already approved for clinical use. However, most, if not all, C3 inhibitors are human or nonhuman primate C3-specific, making evaluating their efficacies in vivo before a clinical trial extremely difficult and costly. METHODS We first studied the compatibility of human C3 in the rat complement system, then developed a C3 humanized rat using the CRISPR/Cas9 technology. We thoroughly characterized the resultant human C3 humanized rats and tested the treatment efficacy of an established primate-specific C3 inhibitor in a model of complement-mediated hemolysis in the C3 humanized rats. RESULTS We found that supplementing human C3 protein into the C3-deficient rat blood restored its complement activity, which was inhibited by rat factor H or compstatin, suggesting that human C3 is compatible to the rat complement system. The newly developed C3 humanized rats appeared healthy and expressed human but not rat C3 without detectable spontaneous C3 activation. More importantly, complement-mediated hemolysis in the C3 humanized rats was also inhibited by compstatin both in vitro and in vivo. CONCLUSION The successfully developed C3 humanized rats provided a much-desired rodent model to evaluate novel C3 inhibitors in vivo as potential drugs.
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Affiliation(s)
- Jin Y. Chen
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Lingjun Zhang
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Maojing Yang
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | | | - Zachary T. Freeman
- Transgenic Animal Model Core, University of Michigan, Ann Arbor, MI, USA
| | - Thomas L. Saunders
- Transgenic Animal Model Core, University of Michigan, Ann Arbor, MI, USA
| | - Feng Lin
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
- Cole Eye Institute, Cleveland Clinic, Cleveland, OH, USA
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Cristiano C, Giorgio C, Cocchiaro P, Boccella S, Cesta MC, Castelli V, Liguori FM, Cuozzo MR, Brandolini L, Russo R, Allegretti M. Inhibition of C5aR1 as a promising approach to treat taxane-induced neuropathy. Cytokine 2023; 171:156370. [PMID: 37722320 DOI: 10.1016/j.cyto.2023.156370] [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: 04/26/2023] [Revised: 07/19/2023] [Accepted: 09/12/2023] [Indexed: 09/20/2023]
Abstract
Chemotherapy-induced peripheral neuropathy (CIPN) is a common side effect of several antitumor agents resulting in progressive and often irreversible damage of peripheral nerves. In addition to their known anticancer effects, taxanes, including paclitaxel, can also induce peripheral neuropathy by activating microglia and astrocytes, which release pro-inflammatory cytokines such as tumor necrosis factor-alpha (TNF-α), interleukin 1-beta (IL-1β), and chemokine (C-C motif) ligand 2 (CCL-2). All these events contribute to the maintenance of neuropathic or inflammatory response. Complement component 5a (C5a)/C5a receptor 1 (C5aR1) signaling was very recently shown to play a crucial role in paclitaxel-induced peripheral neuropathy. Our recent findings highlighted that taxanes have the previously unreported property of binding and activating C5aR1, and that C5aR1 inhibition by DF3966A is effective in preventing paclitaxel-induced peripheral neuropathy (PIPN) in animal models. Here, we investigated if C5aR1 inhibition maintains efficacy in reducing PIPN in a therapeutic setting. Furthermore, we characterized the role of C5aR1 activation by paclitaxel and the CIPN-associated activation of nod-like receptor (NLR) family pyrin domain containing 3 (NLRP3) inflammasome. Our results clearly show that administration of the C5aR1 inhibitor strongly reduced cold and mechanical allodynia in mice when given both during the onset of PIPN and when neuropathy is well established. C5aR1 activation by paclitaxel was found to be a key event in the induction of inflammatory factors in spinal cord, such as TNF-α, ionized calcium-binding adapter molecule 1 (Iba-1), and glial fibrillary acidic protein (GFAP). In addition, C5aR1 inhibition significantly mitigated paclitaxel-induced inflammation and inflammasome activation by reducing IL-1β and NLRP3 expression at both sciatic and dorsal root ganglia level, confirming the involvement of inflammasome in PIPN. Moreover, paclitaxel-induced upregulation of C5aR1 was significantly reduced by DF3966A treatment in central nervous system. Lastly, the antinociceptive effect of C5aR1 inhibition was confirmed in an in vitro model of sensory neurons in which we focused on receptor channels usually activated upon neuropathy. In conclusion, C5aR1 inhibition is proposed as a therapeutic option with the potential to exert long-term protective effect on PIPN-associated neuropathic pain and inflammation.
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Affiliation(s)
- C Cristiano
- Department of Pharmacy, University of Naples Federico II, 80131 Naples, Italy
| | - C Giorgio
- Dompé farmaceutici SpA, Via De Amicis, 80131 Naples, Italy
| | - P Cocchiaro
- Dompé farmaceutici SpA, Via De Amicis, 80131 Naples, Italy
| | - S Boccella
- Dompé farmaceutici SpA, Via De Amicis, 80131 Naples, Italy
| | - M C Cesta
- Dompé farmaceutici SpA, Via Campo di Pile, 67100 L'Aquila, Italy
| | - V Castelli
- Department of Life, Health and Environmental Sciences, University of L'Aquila, 67100 L'Aquila, Italy
| | - F M Liguori
- Department of Pharmacy, University of Naples Federico II, 80131 Naples, Italy
| | - M R Cuozzo
- Department of Pharmacy, University of Naples Federico II, 80131 Naples, Italy
| | - L Brandolini
- Dompé farmaceutici SpA, Via Campo di Pile, 67100 L'Aquila, Italy
| | - R Russo
- Department of Pharmacy, University of Naples Federico II, 80131 Naples, Italy
| | - M Allegretti
- Dompé farmaceutici SpA, Via Campo di Pile, 67100 L'Aquila, Italy.
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7
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Staff NP, Hrstka SC, Dasari S, Capobianco E, Rieger S. Skin Extracellular Matrix Breakdown Following Paclitaxel Therapy in Patients with Chemotherapy-Induced Peripheral Neuropathy. Cancers (Basel) 2023; 15:4191. [PMID: 37627219 PMCID: PMC10453667 DOI: 10.3390/cancers15164191] [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: 07/17/2023] [Revised: 08/17/2023] [Accepted: 08/17/2023] [Indexed: 08/27/2023] Open
Abstract
The chemotherapeutic agent paclitaxel causes peripheral neuropathy, a dose-limiting side effect, in up to 68% of cancer patients. In this study, we investigated the impact of paclitaxel therapy on the skin of breast cancer patients with chemotherapy-induced peripheral neuropathy (CIPN), building upon previous findings in zebrafish and rodents. Comprehensive assessments, including neurological examinations and quality of life questionnaires, were conducted, followed by intraepidermal nerve fiber (IENF) density evaluations using skin punch biopsies. Additionally, RNA sequencing, immunostaining for Matrix-Metalloproteinase 13 (MMP-13), and transmission electron microscopy provided insights into molecular and ultrastructural changes in this skin. The results showed no significant difference in IENF density between the control and CIPN patients despite the presence of patient-reported CIPN symptoms. Nevertheless, the RNA sequencing and immunostaining on the skin revealed significantly upregulated MMP-13, which is known to play a key role in CIPN caused by paclitaxel therapy. Additionally, various genes involved in the regulation of the extracellular matrix, microtubules, cell cycle, and nervous system were significantly and differentially expressed. An ultrastructural examination of the skin showed changes in collagen and basement membrane structures. These findings highlight the presence of CIPN in the absence of IENF density changes and support the role of skin remodeling as a major contributor to CIPN.
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Affiliation(s)
- Nathan P. Staff
- Department of Neurology, Mayo Clinic, Rochester, MN 55905, USA; (N.P.S.)
| | - Sybil C. Hrstka
- Department of Neurology, Mayo Clinic, Rochester, MN 55905, USA; (N.P.S.)
| | - Surendra Dasari
- Department of Neurology, Mayo Clinic, Rochester, MN 55905, USA; (N.P.S.)
| | | | - Sandra Rieger
- Department of Biology, University of Miami, Coral Gables, FL 33146, USA
- Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136, USA
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8
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Police A, Kumar Shankar V, Pandey P, Rangappa S, Doerksen RJ, Narasimha Murthy S. Novel Topical Anandamide Formulation for Alleviating Peripheral Neuropathic Pain. Int J Pharm 2023:123085. [PMID: 37245739 DOI: 10.1016/j.ijpharm.2023.123085] [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: 02/02/2023] [Revised: 05/01/2023] [Accepted: 05/23/2023] [Indexed: 05/30/2023]
Abstract
Peripheral neuropathy (PN) is a condition of peripheral nerve damage leading to severe pain. The first line therapies are associated with adverse psychotropic effects (PSE) and second line therapies are not efficient enough to relieve pain. There is an unmet drug need for relieving pain effectively without PSE in PN. Anandamide, an endocannabinoid activates cannabinoid receptors to relieve the pain due to peripheral neuropathy (PN). Anandamide has a very short biological half-life as they are extensively metabolized by fatty acid amide hydrolase enzyme (FAAH). Regional delivery of safe FAAH inhibitor (FI) with anandamide would be beneficial for PN without psychotropic effects. The objective of the study is to identify a safe FAAH inhibitor and deliver the anandamide in combination with the FAAH inhibitor topically for the management of PN. The FAAH inhibition potential of silymarin constituents was evaluated by molecular docking and in vitro studies. The topical gel formulation was developed to deliver anandamide and FI. The formulation was assessed in chemotherapeutic agent-induced peripheral neuropathy rat models to relieve mechanical-allodynia and thermal-hyperalgesia. The molecular docking studies demonstrated that the Prime MM-GBSA free energy of silymarin constituents were in the order of silybin > isosilybin > silychristin > taxifolin > silydianin. In in vitro studies, silybin 20 µM inhibited >61.8% of FAAH activity and increased the half-life of anandamide. The developed formulation increased permeation of anandamide and silybin across the porcine skin. Furthermore, on the application of anandamide and anandamide-silybin gel to rat paws, there was a significant increase in the pain threshold for allodynic and hyperalgesic stimulus up to 1 h and 4 h, respectively. The topical anandamide with silybin delivery approach could serve to alleviate peripheral neuropathy efficiently and thus could minimize unwanted CNS side effects of synthetic or natural cannabinoids in patients.
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Affiliation(s)
- Anitha Police
- Department of Pharmaceutics and Drug Delivery, School of Pharmacy, The University of Mississippi, University, MS 38677, USA.
| | - Vijay Kumar Shankar
- Department of Pharmaceutics and Drug Delivery, School of Pharmacy, The University of Mississippi, University, MS 38677, USA.
| | - Pankaj Pandey
- National Center for Natural Products Research, University of Mississippi, University, MS 38677, USA.
| | | | - Robert J Doerksen
- Department of BioMolecular Sciences, Division of Medicinal Chemistry, School of Pharmacy, The University of Mississippi, University, MS 38677, USA.
| | - S Narasimha Murthy
- Topical Products Testing LLC, Oxford, MS 38655, USA; Institute for Drug Delivery and Biomedical Research, Bangalore, India.
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9
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Tiwari AP, Tristan LJC, Albin B, Yang IH. Fluocinolone Acetonide Enhances Anterograde Mitochondria Trafficking and Promotes Neuroprotection against Paclitaxel-Induced Peripheral Neuropathy. ACS Chem Neurosci 2023. [PMID: 37167105 DOI: 10.1021/acschemneuro.3c00218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/13/2023] Open
Abstract
Paclitaxel (PTX)-induced peripheral neuropathy (PIPN) is a debilitating health condition which is a result of degeneration of peripheral nerves found in extremities. Currently, there are no established treatment methods that can prevent or protect from PIPN. Fluocinolone acetonide (FA) has been recently identified as a potential candidate for protection from PIPN. However, the fundamental mechanism of action is still unknown. In this study, we showed that enhanced anterograde mitochondrial movement in dorsal root ganglion (DRG) cells has a major role in FA-mediated neuroprotection in PIPN. In this study, cells were treated with PTX or FA along with their combination followed by mitochondrial fluorescence staining. Somal (proximal) and axonal (distal) mitochondria were selectively stained using a microfluidic compartmentalized chamber with different MitoTrackers blue and red, respectively, which we termed, the two-color staining approach. Results revealed that axons were protected from degeneration by the PTX effect when treated along with FA. PTX exposure alone resulted in low mitochondrial mobility in DRG cells. However, cotreatment with PTX and FA showed significant enhancement of anterograde trafficking of somal (proximal) mitochondria to distal axons. Similarly, cotreatment with FA restored mitochondrial mobility significantly. Overall, this study affirms that increasing mitochondrial recruitment into the axon by cotreatment with FA can be a worthwhile strategy to protect or prevent PIPN. The proposed two-color staining approach can be extended to study trafficking for other neuron-specific subcellular organelles.
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Affiliation(s)
- Arjun Prasad Tiwari
- Center for Biomedical Engineering and Science, Department of Mechanical Engineering and Engineering Science, University of North Carolina at Charlotte, Charlotte, North Carolina 28223, United States
| | - Lee Ji Chao Tristan
- Department of Biomedical Engineering, National University of Singapore, Singapore 119077, Singapore
- School of Medicine, University of Western Australia, Perth, Western Australia 6009, Australia
| | - Bayne Albin
- Center for Biomedical Engineering and Science, Department of Mechanical Engineering and Engineering Science, University of North Carolina at Charlotte, Charlotte, North Carolina 28223, United States
| | - In Hong Yang
- Center for Biomedical Engineering and Science, Department of Mechanical Engineering and Engineering Science, University of North Carolina at Charlotte, Charlotte, North Carolina 28223, United States
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10
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Tian Y, Zeng Q, Cheng Y, Wang XH, Cao D, Yeung WSB, Liu Q, Duan YG, Yao YQ. Follicular helper T lymphocytes in the endometria of patients with reproductive failure: Association with pregnancy outcomes and inflammatory status of the endometria. Am J Reprod Immunol 2023:e13708. [PMID: 37095737 DOI: 10.1111/aji.13708] [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: 12/13/2022] [Revised: 03/28/2023] [Accepted: 04/12/2023] [Indexed: 04/26/2023] Open
Abstract
PROBLEM The phenotypes and functions of B and CD4+ T-helper cell subsets during chronic inflammation of the endometria remain largely unexplored. This study aimed to investigate the characteristics and functions of follicular helper T (Tfh) cells to understand the pathological mechanisms of chronic endometritis (CE). METHOD OF STUDY Eighty patients who underwent hysteroscopic and histopathological examinations for CE were divided into three groups-those with positive results for hysteroscopy and CD138 staining (DP), negative results for hysteroscopy but positive CD138 staining (SP), and negative results for hysteroscopy and CD138 staining (DN). The phenotypes of B cells and CD4+ T-cell subsets were analyzed using flow cytometry. RESULTS CD38+ and CD138+ cells were mainly expressed in the non-leukocyte population of the endometria, and the endometrial CD19+ CD138+ B cells were fewer than the CD3+ CD138+ T cells. The percentage of Tfh cells increased with chronic inflammation in the endometria. Additionally, the elevated percentage of Tfh cells correlated with the number of miscarriages. CONCLUSIONS CD4+ T cells, particularly Tfh cells, may be critical in chronic endometrial inflammation and affect its microenvironment, thereby regulating endometrial receptivity, compared to B cells.
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Affiliation(s)
- Ye Tian
- Department of Obstetrics and Gynecology, Reproductive Medicine Center, Chinese PLA General Hospital, Beijing, China
- Shenzhen Key Laboratory of Fertility Regulation, Center of Assisted Reproduction and Embryology, the University of Hong Kong - Shenzhen Hospital, Shenzhen, China
| | - Qunxiong Zeng
- Shenzhen Key Laboratory of Fertility Regulation, Center of Assisted Reproduction and Embryology, the University of Hong Kong - Shenzhen Hospital, Shenzhen, China
| | - Yanfei Cheng
- Shenzhen Key Laboratory of Fertility Regulation, Center of Assisted Reproduction and Embryology, the University of Hong Kong - Shenzhen Hospital, Shenzhen, China
| | - Xiao-Hui Wang
- Shenzhen Key Laboratory of Fertility Regulation, Center of Assisted Reproduction and Embryology, the University of Hong Kong - Shenzhen Hospital, Shenzhen, China
| | - Dandan Cao
- Shenzhen Key Laboratory of Fertility Regulation, Center of Assisted Reproduction and Embryology, the University of Hong Kong - Shenzhen Hospital, Shenzhen, China
| | - William Shu-Biu Yeung
- Shenzhen Key Laboratory of Fertility Regulation, Center of Assisted Reproduction and Embryology, the University of Hong Kong - Shenzhen Hospital, Shenzhen, China
| | - Qingzhi Liu
- Shenzhen Key Laboratory of Fertility Regulation, Center of Assisted Reproduction and Embryology, the University of Hong Kong - Shenzhen Hospital, Shenzhen, China
| | - Yong-Gang Duan
- Shenzhen Key Laboratory of Fertility Regulation, Center of Assisted Reproduction and Embryology, the University of Hong Kong - Shenzhen Hospital, Shenzhen, China
| | - Yuan-Qing Yao
- Department of Obstetrics and Gynecology, Reproductive Medicine Center, Chinese PLA General Hospital, Beijing, China
- Shenzhen Key Laboratory of Fertility Regulation, Center of Assisted Reproduction and Embryology, the University of Hong Kong - Shenzhen Hospital, Shenzhen, China
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11
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Velasco-González R, Coffeen U. Neurophysiopathological Aspects of Paclitaxel-induced Peripheral Neuropathy. Neurotox Res 2022; 40:1673-1689. [PMID: 36169871 DOI: 10.1007/s12640-022-00582-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 09/07/2022] [Accepted: 09/14/2022] [Indexed: 12/31/2022]
Abstract
Chemotherapy is widely used as a primary treatment or adjuvant therapy for cancer. Anti-microtubule agents (such as paclitaxel and docetaxel) are used for treating many types of cancer, either alone or in combination. However, their use has negative consequences that restrict the treatment's ability to continue. The principal negative effect is the so-called chemotherapy-induced peripheral neuropathy (CIPN). CIPN is a complex ailment that depends on diversity in the mechanisms of action of the different chemotherapy drugs, which are not fully understood. In this paper, we review several neurophysiological and pathological characteristics, such as morphological changes, changes in ion channels, mitochondria and oxidative stress, cell death, changes in the immune response, and synaptic control, as well as the characteristics of neuropathic pain produced by paclitaxel.
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Affiliation(s)
- Roberto Velasco-González
- Laboratorio de Neurofisiología Integrativa, Dirección de Investigaciones en Neurociencias, Instituto Nacional de Psiquiatría Ramón de La Fuente Muñiz, Ciudad de México, México.,Maestría en Ciencias Biológicas, UNAM, Ciudad de México, México
| | - Ulises Coffeen
- Laboratorio de Neurofisiología Integrativa, Dirección de Investigaciones en Neurociencias, Instituto Nacional de Psiquiatría Ramón de La Fuente Muñiz, Ciudad de México, México.
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12
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Spera MC, Cesta MC, Zippoli M, Varrassi G, Allegretti M. Emerging Approaches for the Management of Chemotherapy-Induced Peripheral Neuropathy (CIPN): Therapeutic Potential of the C5a/C5aR Axis. Pain Ther 2022; 11:1113-1136. [PMID: 36098939 PMCID: PMC9469051 DOI: 10.1007/s40122-022-00431-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Accepted: 08/30/2022] [Indexed: 11/30/2022] Open
Abstract
Chemotherapy-induced peripheral neuropathy (CIPN) is the most common neurologic complication of chemotherapy, resulting in symptoms like pain, sensory loss, and numbness in the hands and feet that cause lots of uneasiness in patients with cancer. They often suffer from pain so severe that it interrupts the treatment, thus invalidating the entire chemotherapy-based healing process, and significantly reducing their quality of life. In this paper, we underline the role of the complement system in CIPN, highlighting the relevance of the C5a fragment and its receptor C5aR1, whose activation is thought to be involved in triggering a cascade of events that can lead to CIPN onset. Recent experimental data showed the ability of docetaxel and paclitaxel to specifically bind and activate C5aR1, thus shining light on one of the molecular mechanisms by which taxanes may activate a cascade of events leading to neuropathy. According to these new evidence, it was possible to suggest new mechanisms underlying the pathophysiology of CIPN. Hence, the C5a/C5aR1 axis may represent a new target for CIPN treatment, and the use of C5aR1 inhibitors can be proposed as a potential new therapeutic option to manage this high unmet medical need.
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Affiliation(s)
- Maria C Spera
- Dompé Farmaceutici SpA, Via Campo di Pile, snc, L'Aquila, Italy
| | - Maria C Cesta
- Dompé Farmaceutici SpA, Via Campo di Pile, snc, L'Aquila, Italy.
| | - Mara Zippoli
- Dompé Farmaceutici SpA, Via Tommaso De Amicis, 95, Naples, Italy
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13
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Li Y, Kang J, Xu Y, Li N, Jiao Y, Wang C, Wang C, Wang G, Yu Y, Yuan J, Zhang L. Artesunate Alleviates Paclitaxel-Induced Neuropathic Pain in Mice by Decreasing Metabotropic Glutamate Receptor 5 Activity and Neuroinflammation in Primary Sensory Neurons. Front Mol Neurosci 2022; 15:902572. [PMID: 35694442 PMCID: PMC9184756 DOI: 10.3389/fnmol.2022.902572] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 05/09/2022] [Indexed: 11/22/2022] Open
Abstract
Experimental studies on the pathogenetic process of paclitaxel-induced neuropathic pain (PINP) have been initially carried out, but PINP still has no effective therapy. Recently reported studies have highlighted the involvement of glutamate receptors and neuroinflammation in peripheral and central nociceptive transmission in PINP. Artesunate is a first-line antimalarial drug with established efficacy in alleviating pain in a variety of pathologies. The current work assessed whether artesunate inhibits PINP by modulating metabotropic glutamate receptor 5 (mGluR5) and neuroinflammation in mice. The anti-hyperalgesic effect of artesunate was verified by assessing mechanical frequency and thermal latency in the paw withdrawal test as well as spontaneous pain. The expression levels of mGluR5, pain-related receptors and neuroinflammatory markers in dorsal root ganglion (DRG) were examined. In addition, treatment with CHPG and 2-methyl-6-(phenyl ethynyl) pyridine (MPEP) (mGluR5 agonist and antagonist, respectively) was performed to determine mGluR5’s role in the anti-hyperalgesic properties of artesunate. We demonstrated artesunate prevented PINP in a dose-dependent manner, while exerting a clear anti-hyperalgesic effect on already existing PINP. Artesunate normalized paclitaxel-related expression changes in DRG mGluR5, NR1, and GluA2, as well as six paclitaxel related neuroinflammation markers. Intrathecal application of MPEP treated PINP by reversing NR1 and GluA2 expression changes but had no effects on chemokines and inflammatory factors. Furthermore, artesunate treatment reversed acute pain following CHPG application. In conclusion, this study revealed that artesunate alleviates paclitaxel-induced hyperalgesia and spontaneous pain by decreasing DRG mGluR5 expression and neuroinflammation in the mouse model of PINP.
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Affiliation(s)
- Yize Li
- Department of Anesthesiology, Tianjin Research Institute of Anesthesiology, Tianjin Medical University General Hospital, Tianjin, China
| | - Jiamin Kang
- Department of Anesthesiology, Tianjin Research Institute of Anesthesiology, Tianjin Medical University General Hospital, Tianjin, China
| | - Ying Xu
- Department of Anesthesiology, Tianjin Research Institute of Anesthesiology, Tianjin Medical University General Hospital, Tianjin, China
| | - Nan Li
- Department of Anesthesiology, Tianjin Research Institute of Anesthesiology, Tianjin Medical University General Hospital, Tianjin, China
| | - Yang Jiao
- Department of Anesthesiology, Tianjin Research Institute of Anesthesiology, Tianjin Medical University General Hospital, Tianjin, China
| | - Chenxu Wang
- Department of Anesthesiology, Tianjin Research Institute of Anesthesiology, Tianjin Medical University General Hospital, Tianjin, China
| | - Chunyan Wang
- Department of Anesthesiology, Tianjin Research Institute of Anesthesiology, Tianjin Medical University General Hospital, Tianjin, China
| | - Guolin Wang
- Department of Anesthesiology, Tianjin Research Institute of Anesthesiology, Tianjin Medical University General Hospital, Tianjin, China
| | - Yonghao Yu
- Department of Anesthesiology, Tianjin Research Institute of Anesthesiology, Tianjin Medical University General Hospital, Tianjin, China
| | - Jingjing Yuan
- Department of Anesthesiology, Pain and Perioperative Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- *Correspondence: Jingjing Yuan,
| | - Linlin Zhang
- Department of Anesthesiology, Tianjin Research Institute of Anesthesiology, Tianjin Medical University General Hospital, Tianjin, China
- Linlin Zhang,
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14
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Brandolini L, d'Angelo M, Novelli R, Castelli V, Giorgio C, Sirico A, Cocchiaro P, D'Egidio F, Benedetti E, Cristiano C, Bugatti A, Ruocco A, Amendola PG, Talarico C, Manelfi C, Iaconis D, Beccari A, Quadros AU, Cunha TM, Caruso A, Russo R, Cimini A, Aramini A, Allegretti M. Paclitaxel binds and activates C5aR1: A new potential therapeutic target for the prevention of chemotherapy-induced peripheral neuropathy and hypersensitivity reactions. Cell Death Dis 2022; 13:500. [PMID: 35614037 PMCID: PMC9130998 DOI: 10.1038/s41419-022-04964-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 05/10/2022] [Accepted: 05/17/2022] [Indexed: 12/14/2022]
Abstract
Chemotherapy-induced peripheral neuropathy (CIPN) and hypersensitivity reactions (HSRs) are among the most frequent and impairing side effects of the antineoplastic agent paclitaxel. Here, we demonstrated that paclitaxel can bind and activate complement component 5a receptor 1 (C5aR1) and that this binding is crucial in the etiology of paclitaxel-induced CIPN and anaphylaxis. Starting from our previous data demonstrating the role of interleukin (IL)-8 in paclitaxel-induced neuronal toxicity, we searched for proteins that activate IL-8 expression and, by using the Exscalate platform for molecular docking simulations, we predicted the high affinity of C5aR1 with paclitaxel. By in vitro studies, we confirmed the specific and competitive nature of the C5aR1-paclitaxel binding and found that it triggers intracellularly the NFkB/P38 pathway and c-Fos. In F11 neuronal cells and rat dorsal root ganglia, C5aR1 inhibition protected from paclitaxel-induced neuropathological effects, while in paclitaxel-treated mice, the absence (knock-out mice) or the inhibition of C5aR1 significantly ameliorated CIPN symptoms-in terms of cold and mechanical allodynia-and reduced the chronic pathological state in the paw. Finally, we found that C5aR1 inhibition can counteract paclitaxel-induced anaphylactic cytokine release in macrophages in vitro, as well as the onset of HSRs in mice. Altogether these data identified C5aR1 as a key mediator and a new potential pharmacological target for the prevention and treatment of CIPN and HSRs induced by paclitaxel.
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Affiliation(s)
- Laura Brandolini
- Dompé Farmaceutici SpA, Via Campo di Pile, 67100, L'Aquila, Italy
| | - Michele d'Angelo
- Department of Life, Health and Environmental Sciences, University of L'Aquila, 67100, L'Aquila, Italy
| | - Rubina Novelli
- Dompé Farmaceutici SpA, Via S. Lucia, 20122, Milan, Italy
| | - Vanessa Castelli
- Department of Life, Health and Environmental Sciences, University of L'Aquila, 67100, L'Aquila, Italy
| | - Cristina Giorgio
- Dompé Farmaceutici SpA, Via Tommaso De Amicis, 80131, Naples, Italy
| | - Anna Sirico
- Dompé Farmaceutici SpA, Via Tommaso De Amicis, 80131, Naples, Italy
| | | | - Francesco D'Egidio
- Department of Life, Health and Environmental Sciences, University of L'Aquila, 67100, L'Aquila, Italy
| | - Elisabetta Benedetti
- Department of Life, Health and Environmental Sciences, University of L'Aquila, 67100, L'Aquila, Italy
| | - Claudia Cristiano
- Department of Pharmacy, University of Naples Federico II, 80131, Naples, Italy
| | - Antonella Bugatti
- Department of Molecular and Traslational Medicine, University of Brescia Medical School, 25123, Brescia, Italy
| | - Anna Ruocco
- Dompé Farmaceutici SpA, Via Tommaso De Amicis, 80131, Naples, Italy
| | | | - Carmine Talarico
- Dompé Farmaceutici SpA, Via Tommaso De Amicis, 80131, Naples, Italy
| | - Candida Manelfi
- Dompé Farmaceutici SpA, Via Tommaso De Amicis, 80131, Naples, Italy
| | - Daniela Iaconis
- Dompé Farmaceutici SpA, Via Tommaso De Amicis, 80131, Naples, Italy
| | - Andrea Beccari
- Dompé Farmaceutici SpA, Via Tommaso De Amicis, 80131, Naples, Italy
| | - Andreza U Quadros
- Center for Research in Inflammatory Diseases (CRID), Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirão Preto, SP, 14049-900, Brazil
| | - Thiago M Cunha
- Center for Research in Inflammatory Diseases (CRID), Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirão Preto, SP, 14049-900, Brazil
| | - Arnaldo Caruso
- Department of Molecular and Traslational Medicine, University of Brescia Medical School, 25123, Brescia, Italy
| | - Roberto Russo
- Department of Pharmacy, University of Naples Federico II, 80131, Naples, Italy
| | - Annamaria Cimini
- Department of Life, Health and Environmental Sciences, University of L'Aquila, 67100, L'Aquila, Italy
- Sbarro Institute for Cancer Research and Molecular Medicine and Center for Biotechnology, Temple University, Philadelphia, PA, 19122, USA
| | - Andrea Aramini
- Dompé Farmaceutici SpA, Via Campo di Pile, 67100, L'Aquila, Italy
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15
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Sato M, Nakamura S, Inada E, Takabayashi S. Recent Advances in the Production of Genome-Edited Rats. Int J Mol Sci 2022; 23:ijms23052548. [PMID: 35269691 PMCID: PMC8910656 DOI: 10.3390/ijms23052548] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 02/17/2022] [Accepted: 02/21/2022] [Indexed: 12/14/2022] Open
Abstract
The rat is an important animal model for understanding gene function and developing human disease models. Knocking out a gene function in rats was difficult until recently, when a series of genome editing (GE) technologies, including zinc-finger nucleases (ZFNs), transcription activator-like effector nucleases (TALENs), and the type II bacterial clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated Cas9 (CRISPR/Cas9) systems were successfully applied for gene modification (as exemplified by gene-specific knockout and knock-in) in the endogenous target genes of various organisms including rats. Owing to its simple application for gene modification and its ease of use, the CRISPR/Cas9 system is now commonly used worldwide. The most important aspect of this process is the selection of the method used to deliver GE components to rat embryos. In earlier stages, the microinjection (MI) of GE components into the cytoplasm and/or nuclei of a zygote was frequently employed. However, this method is associated with the use of an expensive manipulator system, the skills required to operate it, and the egg transfer (ET) of MI-treated embryos to recipient females for further development. In vitro electroporation (EP) of zygotes is next recognized as a simple and rapid method to introduce GE components to produce GE animals. Furthermore, in vitro transduction of rat embryos with adeno-associated viruses is potentially effective for obtaining GE rats. However, these two approaches also require ET. The use of gene-engineered embryonic stem cells or spermatogonial stem cells appears to be of interest to obtain GE rats; however, the procedure itself is difficult and laborious. Genome-editing via oviductal nucleic acids delivery (GONAD) (or improved GONAD (i-GONAD)) is a novel method allowing for the in situ production of GE zygotes existing within the oviductal lumen. This can be performed by the simple intraoviductal injection of GE components and subsequent in vivo EP toward the injected oviducts and does not require ET. In this review, we describe the development of various approaches for producing GE rats together with an assessment of their technical advantages and limitations, and present new GE-related technologies and current achievements using those rats in relation to human diseases.
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Affiliation(s)
- Masahiro Sato
- Department of Genome Medicine, National Center for Child Health and Development, Tokyo 157-8535, Japan
- Correspondence: (M.S.); (S.T.); Tel.: +81-3-3416-0181 (M.S.); +81-53-435-2001 (S.T.)
| | - Shingo Nakamura
- Division of Biomedical Engineering, National Defense Medical College Research Institute, Saitama 359-8513, Japan;
| | - Emi Inada
- Department of Pediatric Dentistry, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima 890-8544, Japan;
| | - Shuji Takabayashi
- Laboratory Animal Facilities & Services, Preeminent Medical Photonics Education & Research Center, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka 431-3192, Japan
- Correspondence: (M.S.); (S.T.); Tel.: +81-3-3416-0181 (M.S.); +81-53-435-2001 (S.T.)
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de Clauser L, Kappert C, Sondermann JR, Gomez-Varela D, Flatters SJL, Schmidt M. Proteome and Network Analysis Provides Novel Insights Into Developing and Established Chemotherapy-Induced Peripheral Neuropathy. Front Pharmacol 2022; 13:818690. [PMID: 35250568 PMCID: PMC8895144 DOI: 10.3389/fphar.2022.818690] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 01/12/2022] [Indexed: 01/09/2023] Open
Abstract
Chemotherapy-induced peripheral neuropathy (CIPN) is a debilitating side-effect of cancer therapies. So far, the development of CIPN cannot be prevented, neither can established CIPN be reverted, often leading to the cessation of necessary chemotherapy. Thus, there is an urgent need to explore the mechanistic basis of CIPN to facilitate its treatment. Here we used an integrated approach of quantitative proteome profiling and network analysis in a clinically relevant rat model of paclitaxel-induced peripheral neuropathy. We analysed lumbar rat DRG at two critical time points: (1) day 7, right after cessation of paclitaxel treatment, but prior to neuropathy development (pre-CIPN); (2) 4 weeks after paclitaxel initiation, when neuropathy has developed (peak-CIPN). In this way we identified a differential protein signature, which shows how changes in the proteome correlate with the development and maintenance of CIPN, respectively. Extensive biological pathway and network analysis reveals that, at pre-CIPN, regulated proteins are prominently implicated in mitochondrial (dys)function, immune signalling, neuronal damage/regeneration, and neuronal transcription. Orthogonal validation in an independent rat cohort confirmed the increase of β-catenin (CTNNB1) at pre-CIPN. More importantly, detailed analysis of protein networks associated with β-catenin highlights translationally relevant and potentially druggable targets. Overall, this study demonstrates the enormous value of combining animal behaviour with proteome and network analysis to provide unprecedented insights into the molecular basis of CIPN. In line with emerging approaches of network medicine our results highlight new avenues for developing improved therapeutic options aimed at preventing and treating CIPN.
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Affiliation(s)
- Larissa de Clauser
- Wolfson Centre for Age-Related Diseases, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, United Kingdom
- Institute for Biomedicine, Eurac Research, Affiliated Institute of the University of Lübeck, Bolzano, Italy
- *Correspondence: Larissa de Clauser, ; Manuela Schmidt,
| | - Christin Kappert
- Max Planck Institute of Experimental Medicine, Goettingen, Germany
| | - Julia R. Sondermann
- Division of Pharmacology and Toxicology, Department of Pharmaceutical Sciences, University of Vienna, Vienna, Austria
| | - David Gomez-Varela
- Division of Pharmacology and Toxicology, Department of Pharmaceutical Sciences, University of Vienna, Vienna, Austria
| | - Sarah J. L. Flatters
- Wolfson Centre for Age-Related Diseases, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, United Kingdom
| | - Manuela Schmidt
- Division of Pharmacology and Toxicology, Department of Pharmaceutical Sciences, University of Vienna, Vienna, Austria
- *Correspondence: Larissa de Clauser, ; Manuela Schmidt,
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Methods and protocols for chemotherapy-induced peripheral neuropathy (CIPN) mouse models using paclitaxel. Methods Cell Biol 2022; 168:277-298. [DOI: 10.1016/bs.mcb.2021.12.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Salima S, Budi Harsono A, Aisyah A, Mantilidewi K. Natural History of Paclitaxel-associated Acute Pain Syndrome: A Case Report of Rare Side Effect of Paclitaxel. Open Access Maced J Med Sci 2021. [DOI: 10.3889/oamjms.2021.7031] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
BACKGROUND: One of the harshest side effects following anticancer agent treatments is chemotherapy-induced neuropathic pain. After surgical staging, chemotherapy combination of paclitaxel carboplatin could be a choice of therapy for Stage II or more advanced stage of ovarian cancer. Different side effects may appear after the application of paclitaxel.
CASE REPORT: Here, we show an uncommon case of paclitaxel-acute pain syndrome (P-APS), and how we deal with such cases according to our experiences. One uncommon side effect is P-APS, which can be treated effectively with the administration of non-steroidal anti-inflammatory drugs, corticosteroid, and supportive therapy.
CONCLUSION: One uncommon side effect of Paclitaxel induced neuropathic can be treated effectively with the administration of non-steroidal anti inflammatory drugs, corticosteroid, and supportive therapy.
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Pathomechanisms of Paclitaxel-Induced Peripheral Neuropathy. TOXICS 2021; 9:toxics9100229. [PMID: 34678925 PMCID: PMC8540213 DOI: 10.3390/toxics9100229] [Citation(s) in RCA: 58] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 09/09/2021] [Accepted: 09/16/2021] [Indexed: 12/18/2022]
Abstract
Peripheral neuropathy is one of the most common side effects of chemotherapy, affecting up to 60% of all cancer patients receiving chemotherapy. Moreover, paclitaxel induces neuropathy in up to 97% of all gynecological and urological cancer patients. In cancer cells, paclitaxel induces cell death via microtubule stabilization interrupting cell mitosis. However, paclitaxel also affects cells of the central and peripheral nervous system. The main symptoms are pain and numbness in hands and feet due to paclitaxel accumulation in the dorsal root ganglia. This review describes in detail the pathomechanisms of paclitaxel in the peripheral nervous system. Symptoms occur due to a length-dependent axonal sensory neuropathy, where axons are symmetrically damaged and die back. Due to microtubule stabilization, axonal transport is disrupted, leading to ATP undersupply and oxidative stress. Moreover, mitochondria morphology is altered during paclitaxel treatment. A key player in pain sensation and axonal damage is the paclitaxel-induced inflammation in the spinal cord as well as the dorsal root ganglia. An increased expression of chemokines and cytokines such as IL-1β, IL-8, and TNF-α, but also CXCR4, RAGE, CXCL1, CXCL12, CX3CL1, and C3 promote glial activation and accumulation, and pain sensation. These findings are further elucidated in this review.
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The complement cascade in the regulation of neuroinflammation, nociceptive sensitization, and pain. J Biol Chem 2021; 297:101085. [PMID: 34411562 PMCID: PMC8446806 DOI: 10.1016/j.jbc.2021.101085] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 08/13/2021] [Accepted: 08/13/2021] [Indexed: 01/13/2023] Open
Abstract
The complement cascade is a key component of the innate immune system that is rapidly recruited through a cascade of enzymatic reactions to enable the recognition and clearance of pathogens and promote tissue repair. Despite its well-understood role in immunology, recent studies have highlighted new and unexpected roles of the complement cascade in neuroimmune interaction and in the regulation of neuronal processes during development, aging, and in disease states. Complement signaling is particularly important in directing neuronal responses to tissue injury, neurotrauma, and nerve lesions. Under physiological conditions, complement-dependent changes in neuronal excitability, synaptic strength, and neurite remodeling promote nerve regeneration, tissue repair, and healing. However, in a variety of pathologies, dysregulation of the complement cascade leads to chronic inflammation, persistent pain, and neural dysfunction. This review describes recent advances in our understanding of the multifaceted cross-communication that takes place between the complement system and neurons. In particular, we focus on the molecular and cellular mechanisms through which complement signaling regulates neuronal excitability and synaptic plasticity in the nociceptive pathways involved in pain processing in both health and disease. Finally, we discuss the future of this rapidly growing field and what we believe to be the significant knowledge gaps that need to be addressed.
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Chen L, Zheng J, Yang Z, Chen W, Wang Y, Wei P. Identification of key candidate genes in local dorsal root ganglion inflammation by integrated bioinformatics analysis. Exp Ther Med 2021; 22:821. [PMID: 34131444 PMCID: PMC8193217 DOI: 10.3892/etm.2021.10253] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2020] [Accepted: 03/18/2021] [Indexed: 12/15/2022] Open
Abstract
The purpose of the present study was to identify potential markers of local dorsal root ganglion (DRG) inflammation to aid diagnosis, treatment and prognosis evaluation of DRG pain. A localized inflammation of the DRG (LID) rat model was used to study the contribution of inflammation to pain. The dataset GSE38859 was obtained from the Gene Expression Omnibus database. Pre-treatment standardization of gene expression data for each experiment was performed using the R/Bioconductor Limma package. Differentially expressed genes (DEGs) were identified between a LID model and a sham surgery control group. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analyses of DEGs and gene set enrichment analysis (GSEA) were carried out using the ‘clusterProfiler’ package in R. Using the Search Tool for Retrieval of Interacting Genes, a protein-protein interaction network was constructed and visualized. Candidate genes with the highest potential validity were validated using reverse transcription-quantitative PCR and western blotting. In total, 66 DEGs were enriched in GO terms related to inflammation and the immune response processes. KEGG analysis revealed 14 associated signaling pathway terms. Protein-protein interaction network analysis revealed 9 node genes, 3 of which were among the top 10 DEGs. Matrix metallopeptidase 9, chemokine CXCL9, and complement component 3 were identified as key regulators of DRG inflammatory pain progression.
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Affiliation(s)
- Linhai Chen
- Department of Plastic and Reconstructive Surgery, Ningbo First Hospital, Ningbo Hospital of Zhejiang University, Ningbo, Zhejiang 315010, P.R. China
| | - Junshui Zheng
- Medical College, Ningbo University, Ningbo, Zhejiang 315211, P.R. China
| | - Zhuan Yang
- Medical College, Ningbo University, Ningbo, Zhejiang 315211, P.R. China
| | - Weiwei Chen
- Department of Plastic and Reconstructive Surgery, Ningbo First Hospital, Ningbo Hospital of Zhejiang University, Ningbo, Zhejiang 315010, P.R. China
| | - Yangjian Wang
- Department of Plastic and Reconstructive Surgery, Ningbo First Hospital, Ningbo Hospital of Zhejiang University, Ningbo, Zhejiang 315010, P.R. China
| | - Peng Wei
- Department of Plastic and Reconstructive Surgery, Ningbo First Hospital, Ningbo Hospital of Zhejiang University, Ningbo, Zhejiang 315010, P.R. China
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22
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Chenouard V, Remy S, Tesson L, Ménoret S, Ouisse LH, Cherifi Y, Anegon I. Advances in Genome Editing and Application to the Generation of Genetically Modified Rat Models. Front Genet 2021; 12:615491. [PMID: 33959146 PMCID: PMC8093876 DOI: 10.3389/fgene.2021.615491] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Accepted: 02/22/2021] [Indexed: 12/13/2022] Open
Abstract
The rat has been extensively used as a small animal model. Many genetically engineered rat models have emerged in the last two decades, and the advent of gene-specific nucleases has accelerated their generation in recent years. This review covers the techniques and advances used to generate genetically engineered rat lines and their application to the development of rat models more broadly, such as conditional knockouts and reporter gene strains. In addition, genome-editing techniques that remain to be explored in the rat are discussed. The review also focuses more particularly on two areas in which extensive work has been done: human genetic diseases and immune system analysis. Models are thoroughly described in these two areas and highlight the competitive advantages of rat models over available corresponding mouse versions. The objective of this review is to provide a comprehensive description of the advantages and potential of rat models for addressing specific scientific questions and to characterize the best genome-engineering tools for developing new projects.
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Affiliation(s)
- Vanessa Chenouard
- CHU Nantes, Inserm, Centre de Recherche en Transplantation et Immunologie, UMR 1064, ITUN, Université de Nantes, Nantes, France
- genOway, Lyon, France
| | - Séverine Remy
- CHU Nantes, Inserm, Centre de Recherche en Transplantation et Immunologie, UMR 1064, ITUN, Université de Nantes, Nantes, France
| | - Laurent Tesson
- CHU Nantes, Inserm, Centre de Recherche en Transplantation et Immunologie, UMR 1064, ITUN, Université de Nantes, Nantes, France
| | - Séverine Ménoret
- CHU Nantes, Inserm, Centre de Recherche en Transplantation et Immunologie, UMR 1064, ITUN, Université de Nantes, Nantes, France
- CHU Nantes, Inserm, CNRS, SFR Santé, Inserm UMS 016, CNRS UMS 3556, Nantes Université, Nantes, France
| | - Laure-Hélène Ouisse
- CHU Nantes, Inserm, Centre de Recherche en Transplantation et Immunologie, UMR 1064, ITUN, Université de Nantes, Nantes, France
| | | | - Ignacio Anegon
- CHU Nantes, Inserm, Centre de Recherche en Transplantation et Immunologie, UMR 1064, ITUN, Université de Nantes, Nantes, France
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Emerging Role of C5 Complement Pathway in Peripheral Neuropathies: Current Treatments and Future Perspectives. Biomedicines 2021; 9:biomedicines9040399. [PMID: 33917266 PMCID: PMC8067968 DOI: 10.3390/biomedicines9040399] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 03/30/2021] [Accepted: 04/01/2021] [Indexed: 12/12/2022] Open
Abstract
The complement system is a key component of innate immunity since it plays a critical role in inflammation and defense against common pathogens. However, an inappropriate activation of the complement system is involved in numerous disorders, including peripheral neuropathies. Current strategies for neuropathy-related pain fail to achieve adequate pain relief, and although several therapies are used to alleviate symptoms, approved disease-modifying treatments are unavailable. This urgent medical need is driving the development of therapeutic agents for this condition, and special emphasis is given to complement-targeting approaches. Recent evidence has underscored the importance of complement component C5a and its receptor C5aR1 in inflammatory and neuropathic pain, indicating that C5a/C5aR1 axis activation triggers a cascade of events involved in pathophysiology of peripheral neuropathy and painful neuro-inflammatory states. However, the underlying pathophysiological mechanisms of this signaling in peripheral neuropathy are not fully known. Here, we provide an overview of complement pathways and major components associated with dysregulated complement activation in peripheral neuropathy, and of drugs under development targeting the C5 system. C5/C5aR1 axis modulators could represent a new strategy to treat complement-related peripheral neuropathies. Specifically, we describe novel C5aR allosteric modulators, which may potentially become new tools in the therapeutic armory against neuropathic pain.
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24
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The innate immune system in diabetic retinopathy. Prog Retin Eye Res 2021; 84:100940. [PMID: 33429059 DOI: 10.1016/j.preteyeres.2021.100940] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 12/24/2020] [Accepted: 01/03/2021] [Indexed: 12/20/2022]
Abstract
The prevalence of diabetes has been rising steadily in the past half-century, along with the burden of its associated complications, including diabetic retinopathy (DR). DR is currently the most common cause of vision loss in working-age adults in the United States. Historically, DR has been diagnosed and classified clinically based on what is visible by fundoscopy; that is vasculature alterations. However, recent technological advances have confirmed pathology of the neuroretina prior to any detectable vascular changes. These, coupled with molecular studies, and the positive impact of anti-inflammatory therapeutics in DR patients have highlighted the central involvement of the innate immune system. Reminiscent of the systemic impact of diabetes, immune dysregulation has become increasingly identified as a key element of the pathophysiology of DR by interfering with normal homeostatic systems. This review uses the growing body of literature across various model systems to demonstrate the clear involvement of all three pillars of the immune system: immune-competent cells, mediators, and the complement system. It also demonstrates how the relative contribution of each of these requires more extensive analysis, including in human tissues over the continuum of disease progression. Finally, although this review demonstrates how the complex interactions of the immune system pose many more questions than answers, the intimately connected nature of the three pillars of the immune system may also point to possible new targets to reverse or even halt reverse retinopathy.
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Szpirer C. Rat models of human diseases and related phenotypes: a systematic inventory of the causative genes. J Biomed Sci 2020; 27:84. [PMID: 32741357 PMCID: PMC7395987 DOI: 10.1186/s12929-020-00673-8] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Accepted: 07/09/2020] [Indexed: 12/13/2022] Open
Abstract
The laboratory rat has been used for a long time as the model of choice in several biomedical disciplines. Numerous inbred strains have been isolated, displaying a wide range of phenotypes and providing many models of human traits and diseases. Rat genome mapping and genomics was considerably developed in the last decades. The availability of these resources has stimulated numerous studies aimed at discovering causal disease genes by positional identification. Numerous rat genes have now been identified that underlie monogenic or complex diseases and remarkably, these results have been translated to the human in a significant proportion of cases, leading to the identification of novel human disease susceptibility genes, helping in studying the mechanisms underlying the pathological abnormalities and also suggesting new therapeutic approaches. In addition, reverse genetic tools have been developed. Several genome-editing methods were introduced to generate targeted mutations in genes the function of which could be clarified in this manner [generally these are knockout mutations]. Furthermore, even when the human gene causing a disease had been identified without resorting to a rat model, mutated rat strains (in particular KO strains) were created to analyze the gene function and the disease pathogenesis. Today, over 350 rat genes have been identified as underlying diseases or playing a key role in critical biological processes that are altered in diseases, thereby providing a rich resource of disease models. This article is an update of the progress made in this research and provides the reader with an inventory of these disease genes, a significant number of which have similar effects in rat and humans.
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Affiliation(s)
- Claude Szpirer
- Université Libre de Bruxelles, B-6041, Gosselies, Belgium.
- , Waterloo, Belgium.
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26
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Absence of complement component 3 does not prevent classical pathway-mediated hemolysis. Blood Adv 2020; 3:1808-1814. [PMID: 31196848 DOI: 10.1182/bloodadvances.2019031591] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Accepted: 05/09/2019] [Indexed: 12/27/2022] Open
Abstract
Complement component 3 (C3) is emerging as a potential therapeutic target. We studied complement-mediated hemolysis using normal and C3-depleted human sera, wild-type (WT) and C3-deficient rat sera, and WT and C3 knockout rat models. In all of the in vitro and in vivo experiments, we found that the loss of C3 did not prevent classical pathway-mediated hemolysis, but it did almost abolish alternative pathway-mediated hemolysis. Experiments using preassembled classical pathway C3 convertases confirmed that C4b2a directly activated complement component 5 (C5), leading to membrane attack complex formation and hemolysis. Our results suggest that targeting C3 should effectively inhibit hemolysis and tissue damage mediated by the alternative pathway of complement activation, but this approach might have limited efficacy in treating classical pathway-mediated pathological conditions.
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27
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Minami T, Takeda M, Sata M, Kato H, Yano K, Sakai T, Tsujita R, Kawasaki K, Ito A. Thrombomodulin alfa prevents oxaliplatin-induced neuropathic symptoms through activation of thrombin-activatable fibrinolysis inhibitor and protein C without affecting anti-tumor activity. Eur J Pharmacol 2020; 880:173196. [PMID: 32416186 DOI: 10.1016/j.ejphar.2020.173196] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 05/10/2020] [Accepted: 05/11/2020] [Indexed: 12/15/2022]
Abstract
Oxaliplatin, a platinum-based chemotherapeutic agent, is widely used to treat colorectal cancer, but it induces peripheral neuropathy as a serious dose-limiting side effect. Recently, thrombomodulin alfa, a recombinant human soluble thrombomodulin, was reported to prevent oxaliplatin-induced peripheral neuropathy in a clinical phase 2 study. Here we conducted preclinical pharmacology studies. Rats were given oxaliplatin (6 mg/kg) intravenously to induce mechanical hyperalgesia associated with peripheral neuropathy. Single intravenous administration of thrombomodulin alfa (0.1, 0.3, 1 mg/kg) dose dependently prevented the development of oxaliplatin-induced mechanical hyperalgesia, with no sex difference in the efficacy. The preventative effect of thrombomodulin alfa on mechanical hyperalgesia was attenuated by antithrombin or carboxypeptidase inhibitor. In addition, carboxypeptidase B, a homolog of activated thrombin-activatable fibrinolysis inhibitor (TAFI) and human-derived activated protein C, prevented mechanical hyperalgesia, whereas antithrombin or other anti-coagulants did not. These results suggest that thrombomodulin alfa prevents sensory symptoms of oxaliplatin-induced peripheral neuropathy through the activation of TAFI and protein C by modulating thrombin activity, but the effects are independent of an anticoagulant effect. On the other hand, thrombomodulin alfa did not affect the anti-cancer activity of oxaliplatin on human colon cancer cell lines or mice transplanted with HCT116 cells. These results indicate that thrombomodulin alfa prevents sensory symptoms of oxaliplatin-induced peripheral neuropathy without affecting the anti-tumor activity of oxaliplatin. Therefore, thrombomodulin alfa is a promising drug to prevent the symptoms of oxaliplatin-induced peripheral neuropathy.
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Affiliation(s)
- Tatsuro Minami
- Laboratory for Pharmacology, Pharmaceuticals Research Center, Asahi Kasei Pharma Co. Ltd., 632-1 Mifuku, Izunokuni, Shizuoka, 410-2321, Japan
| | - Mineko Takeda
- Laboratory for Pharmacology, Pharmaceuticals Research Center, Asahi Kasei Pharma Co. Ltd., 632-1 Mifuku, Izunokuni, Shizuoka, 410-2321, Japan
| | - Minako Sata
- Laboratory for Pharmacology, Pharmaceuticals Research Center, Asahi Kasei Pharma Co. Ltd., 632-1 Mifuku, Izunokuni, Shizuoka, 410-2321, Japan
| | - Hiroki Kato
- Laboratory for Pharmacology, Pharmaceuticals Research Center, Asahi Kasei Pharma Co. Ltd., 632-1 Mifuku, Izunokuni, Shizuoka, 410-2321, Japan
| | - Kazuo Yano
- Laboratory for Pharmacology, Pharmaceuticals Research Center, Asahi Kasei Pharma Co. Ltd., 632-1 Mifuku, Izunokuni, Shizuoka, 410-2321, Japan
| | - Takumi Sakai
- Laboratory for Pharmacology, Pharmaceuticals Research Center, Asahi Kasei Pharma Co. Ltd., 632-1 Mifuku, Izunokuni, Shizuoka, 410-2321, Japan
| | - Ryuichi Tsujita
- Project Management Dept. Pharmaceutical Marketing Division, Asahi Kasei Pharma Co. Ltd., 1-1-2 Yurakucho, Chiyoda-ku, Tokyo, 100-0006, Japan
| | - Koh Kawasaki
- Laboratory for Pharmacology, Pharmaceuticals Research Center, Asahi Kasei Pharma Co. Ltd., 632-1 Mifuku, Izunokuni, Shizuoka, 410-2321, Japan
| | - Akitoshi Ito
- Laboratory for Pharmacology, Pharmaceuticals Research Center, Asahi Kasei Pharma Co. Ltd., 632-1 Mifuku, Izunokuni, Shizuoka, 410-2321, Japan.
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28
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Sałat K. Chemotherapy-induced peripheral neuropathy: part 1-current state of knowledge and perspectives for pharmacotherapy. Pharmacol Rep 2020; 72:486-507. [PMID: 32394362 PMCID: PMC7329796 DOI: 10.1007/s43440-020-00109-y] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 04/20/2020] [Accepted: 04/28/2020] [Indexed: 12/13/2022]
Abstract
Background Despite the increasing knowledge of the etiology of neuropathic pain, this type of chronic pain is resistant to available analgesics in approximately 50% of patients and therefore is continuously a subject of considerable interest for physiologists, neurologists, medicinal chemists, pharmacologists and others searching for more effective treatment options for this debilitating condition. Materials and methods The present review article is the first of the two articles focused on chemotherapy-induced peripheral neuropathy (CIPN). Results CIPN is regarded as one of the most common drug-induced neuropathies and is highly pharmacoresistant. The lack of efficacious pharmacological methods for treating CIPN and preventing its development makes CIPN-related neuropathic pain a serious therapeutic gap in current medicine and pharmacotherapy. In this paper, the most recent advances in the field of studies on CIPN caused by platinum compounds (namely oxaliplatin and cisplatin), taxanes, vinca alkaloids and bortezomib are summarized. Conclusions The prevalence of CIPN, potential causes, risk factors, symptoms and molecular mechanisms underlying this pharmacoresistant condition are discussed. Graphic abstract ![]()
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Affiliation(s)
- Kinga Sałat
- Department of Pharmacodynamics, Chair of Pharmacodynamics, Jagiellonian University Medical College, 9 Medyczna St., 30-688, Krakow, Poland.
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29
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Lanigan TM, Kopera HC, Saunders TL. Principles of Genetic Engineering. Genes (Basel) 2020; 11:E291. [PMID: 32164255 PMCID: PMC7140808 DOI: 10.3390/genes11030291] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Revised: 02/28/2020] [Accepted: 03/06/2020] [Indexed: 12/12/2022] Open
Abstract
Genetic engineering is the use of molecular biology technology to modify DNA sequence(s) in genomes, using a variety of approaches. For example, homologous recombination can be used to target specific sequences in mouse embryonic stem (ES) cell genomes or other cultured cells, but it is cumbersome, poorly efficient, and relies on drug positive/negative selection in cell culture for success. Other routinely applied methods include random integration of DNA after direct transfection (microinjection), transposon-mediated DNA insertion, or DNA insertion mediated by viral vectors for the production of transgenic mice and rats. Random integration of DNA occurs more frequently than homologous recombination, but has numerous drawbacks, despite its efficiency. The most elegant and effective method is technology based on guided endonucleases, because these can target specific DNA sequences. Since the advent of clustered regularly interspaced short palindromic repeats or CRISPR/Cas9 technology, endonuclease-mediated gene targeting has become the most widely applied method to engineer genomes, supplanting the use of zinc finger nucleases, transcription activator-like effector nucleases, and meganucleases. Future improvements in CRISPR/Cas9 gene editing may be achieved by increasing the efficiency of homology-directed repair. Here, we describe principles of genetic engineering and detail: (1) how common elements of current technologies include the need for a chromosome break to occur, (2) the use of specific and sensitive genotyping assays to detect altered genomes, and (3) delivery modalities that impact characterization of gene modifications. In summary, while some principles of genetic engineering remain steadfast, others change as technologies are ever-evolving and continue to revolutionize research in many fields.
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Affiliation(s)
- Thomas M. Lanigan
- Biomedical Research Core Facilities, Vector Core, University of Michigan, Ann Arbor, MI 48109, USA; (T.M.L.); (H.C.K.)
- Department of Internal Medicine, Division of Rheumatology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Huira C. Kopera
- Biomedical Research Core Facilities, Vector Core, University of Michigan, Ann Arbor, MI 48109, USA; (T.M.L.); (H.C.K.)
- Department of Human Genetics, University of Michigan, Ann Arbor, MI 48109, USA
| | - Thomas L. Saunders
- Biomedical Research Core Facilities, Transgenic Animal Model Core, University of Michigan, Ann Arbor, MI 48109, USA
- Department of Internal Medicine, Division of Genetic Medicine, University of Michigan, Ann Arbor, MI 48109, USA
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Cirrincione AM, Pellegrini AD, Dominy JR, Benjamin ME, Utkina-Sosunova I, Lotti F, Jergova S, Sagen J, Rieger S. Paclitaxel-induced peripheral neuropathy is caused by epidermal ROS and mitochondrial damage through conserved MMP-13 activation. Sci Rep 2020; 10:3970. [PMID: 32132628 PMCID: PMC7055229 DOI: 10.1038/s41598-020-60990-8] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Accepted: 02/11/2020] [Indexed: 11/09/2022] Open
Abstract
Paclitaxel induces peripheral neuropathy as a side effect of cancer treatment. The underlying causes are unclear, but epidermal, unmyelinated axons have been shown to be the first to degenerate. We previously utilized an in vivo zebrafish model to show that the epidermal matrix-metalloproteinase 13 (MMP-13) induces degeneration of unmyelinated axons, whereas pharmacological inhibition of MMP-13 prevented axon degeneration. However, the precise functions by which MMP-13 is regulated and affects axons remained elusive. In this study, we assessed mitochondrial damage and reactive oxygen species (ROS) formation as possible inducers of MMP-13, and we analyzed MMP-13-dependent damage. We show that the small ROS, H2O2, is increased in basal keratinocytes following treatment with paclitaxel. Cytoplasmic H2O2 appears to derive, at least in part, from mitochondrial damage, leading to upregulation of MMP-13, which in turn underlies increased epidermal extracellular matrix degradation. Intriguingly, also axonal mitochondria show signs of damage, such as fusion/fission defects and vacuolation, but axons do not show increased levels of H2O2. Since MMP-13 inhibition prevents axon degeneration but does not prevent mitochondrial vacuolation, we suggest that vacuolization occurs independently of axonal damage. Finally, we show that MMP-13 dysregulation also underlies paclitaxel-induced peripheral neuropathy in mammals, indicating that epidermal mitochondrial H2O2 and its effectors could be targeted for therapeutic interventions.
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Affiliation(s)
- Anthony M Cirrincione
- University of Miami, Department of Biology, 1301 Memorial Drive, Coral Gables, FL, 33146, USA
| | - Adriana D Pellegrini
- MDI Biological Laboratory, 159 Old Bar Harbor Road, Salisbury Cove, ME, 04672, USA
| | - Jessica R Dominy
- MDI Biological Laboratory, 159 Old Bar Harbor Road, Salisbury Cove, ME, 04672, USA
| | - Marisa E Benjamin
- University of Miami, Department of Biology, 1301 Memorial Drive, Coral Gables, FL, 33146, USA
| | - Irina Utkina-Sosunova
- Columbia University Medical Center, Center for Motor Neuron Biology and Disease, Department of Pathology & Cell Biology, 630 West 168th Street, New York, NY, 10032, USA
| | - Francesco Lotti
- Columbia University Medical Center, Center for Motor Neuron Biology and Disease, Department of Pathology & Cell Biology, 630 West 168th Street, New York, NY, 10032, USA
| | - Stanislava Jergova
- University of Miami, The Miami Project to Cure Paralysis, University of Miami Miller School of Medicine, 1095 Northwest 14th Terrace, Miami, USA
| | - Jacqueline Sagen
- University of Miami, The Miami Project to Cure Paralysis, University of Miami Miller School of Medicine, 1095 Northwest 14th Terrace, Miami, USA
| | - Sandra Rieger
- University of Miami, Department of Biology, 1301 Memorial Drive, Coral Gables, FL, 33146, USA. .,Sylvester Comprehensive Cancer Center, University of Miami, Miller School of Medicine, 1120 NW 14th Street, Miami, FL, 33136, USA.
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Staff NP, Fehrenbacher JC, Caillaud M, Damaj MI, Segal RA, Rieger S. Pathogenesis of paclitaxel-induced peripheral neuropathy: A current review of in vitro and in vivo findings using rodent and human model systems. Exp Neurol 2020; 324:113121. [PMID: 31758983 PMCID: PMC6993945 DOI: 10.1016/j.expneurol.2019.113121] [Citation(s) in RCA: 107] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Revised: 10/29/2019] [Accepted: 11/19/2019] [Indexed: 12/22/2022]
Abstract
Paclitaxel (Brand name Taxol) is widely used in the treatment of common cancers like breast, ovarian and lung cancer. Although highly effective in blocking tumor progression, paclitaxel also causes peripheral neuropathy as a side effect in 60-70% of chemotherapy patients. Recent efforts by numerous labs have aimed at defining the underlying mechanisms of paclitaxel-induced peripheral neuropathy (PIPN). In vitro models using rodent dorsal root ganglion neurons, human induced pluripotent stem cells, and rodent in vivo models have revealed a number of molecular pathways affected by paclitaxel within axons of sensory neurons and within other cell types, such as the immune system and peripheral glia, as well skin. These studies revealed that paclitaxel induces altered calcium signaling, neuropeptide and growth factor release, mitochondrial damage and reactive oxygen species formation, and can activate ion channels that mediate responses to extracellular cues. Recent studies also suggest a role for the matrix-metalloproteinase 13 (MMP-13) in mediating neuropathy. These diverse changes may be secondary to paclitaxel-induced microtubule transport impairment. Human genetic studies, although still limited, also highlight the involvement of cytoskeletal changes in PIPN. Newly identified molecular targets resulting from these studies could provide the basis for the development of therapies with which to either prevent or reverse paclitaxel-induced peripheral neuropathy in chemotherapy patients.
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Affiliation(s)
- Nathan P Staff
- Department of Neurology, Mayo Clinic, Rochester, MN 55905, USA
| | - Jill C Fehrenbacher
- Department of Pharmacology and Toxicology, University School of Medicine, Indianapolis, IN 46202, USA
| | - Martial Caillaud
- Department of Pharmacology and Toxicology, Virginia Commonwealth University, USA
| | - M Imad Damaj
- Department of Pharmacology and Toxicology, Virginia Commonwealth University, USA
| | - Rosalind A Segal
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Sandra Rieger
- Department of Biology, University of Miami, Coral Gables, FL 33146, USA.
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Abstract
A transgenic mouse carries within its genome an artificial DNA construct (transgene) that is deliberately introduced by an experimentalist. These animals are widely used to understand gene function and protein function. When addressing the history of transgenic mouse technology, it is apparent that a number of basic science research areas laid the groundwork for success. These include reproductive science, genetics and molecular biology, and micromanipulation and microscopy equipment. From reproductive physiology came applications on how to optimize mouse breeding, how to superovulate mice to produce zygotes for DNA microinjection or preimplantation embryos for combination with embryonic stem (ES) cells, and how to return zygotes and embryos to a pseudopregnant surrogate dam for gestation and birth. From developmental biology, it was learned how to micromanipulate embryos for morula aggregation and blastocyst microinjection and how to establish germline competent ES cells. From genetics came the foundational principles governing the inheritance of genes, the interactions of gene products, and an understanding of the phenotypic consequences of genetic mutations. From molecular biology came a panoply of tools and reagents that are used to clone DNA transgenes, to detect the presence of transgenes, to assess gene expression by measuring transcription, and to detect proteins in cells and tissues. Technical advances in light microscopes, micromanipulators, micropipette pullers, and ancillary equipment made it possible for experimentalists to insert thin glass needles into zygotes or embryos under controlled conditions to inject DNA solutions or ES cells. To fully discuss the breadth of contributions of these numerous scientific disciplines to a comprehensive history of transgenic science is beyond the scope of this work. Examples will be used to illustrate scientific developments central to the foundation of transgenic technology and that are in use today.
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Affiliation(s)
- Thomas L Saunders
- Transgenic Animal Model Core, University of Michigan Medical School, Ann Arbor, MI, USA.
- Division of Genetic Medicine, Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, MI, USA.
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Royer DJ, Echegaray-Mendez J, Lin L, Gmyrek GB, Mathew R, Saban DR, Perez VL, Carr DJ. Complement and CD4 + T cells drive context-specific corneal sensory neuropathy. eLife 2019; 8:48378. [PMID: 31414985 PMCID: PMC6783265 DOI: 10.7554/elife.48378] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Accepted: 08/15/2019] [Indexed: 12/18/2022] Open
Abstract
Whether complement dysregulation directly contributes to the pathogenesis of peripheral nervous system diseases, including sensory neuropathies, is unclear. We addressed this important question in a mouse model of ocular HSV-1 infection, where sensory nerve damage is a common clinical problem. Through genetic and pharmacologic targeting, we uncovered a central role for C3 in sensory nerve damage at the morphological and functional levels. Interestingly, CD4 T cells were central in facilitating this complement-mediated damage. This same C3/CD4 T cell axis triggered corneal sensory nerve damage in a mouse model of ocular graft-versus-host disease (GVHD). However, this was not the case in a T-dependent allergic eye disease (AED) model, suggesting that this inflammatory neuroimmune pathology is specific to certain disease etiologies. Collectively, these findings uncover a central role for complement in CD4 T cell-dependent corneal nerve damage in multiple disease settings and indicate the possibility for complement-targeted therapeutics to mitigate sensory neuropathies.
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Affiliation(s)
- Derek J Royer
- Department of Ophthalmology, Duke University Medical Center, Durham, United States.,Department of Ophthalmology, University of Oklahoma Health Sciences Center, Oklahoma City, United States
| | | | - Liwen Lin
- Department of Ophthalmology, Duke University Medical Center, Durham, United States
| | - Grzegorz B Gmyrek
- Department of Ophthalmology, University of Oklahoma Health Sciences Center, Oklahoma City, United States
| | - Rose Mathew
- Department of Ophthalmology, Duke University Medical Center, Durham, United States
| | - Daniel R Saban
- Department of Ophthalmology, Duke University Medical Center, Durham, United States.,Department of Immunology, Duke University Medical Center, Durham, United States
| | - Victor L Perez
- Department of Ophthalmology, Duke University Medical Center, Durham, United States
| | - Daniel Jj Carr
- Department of Ophthalmology, University of Oklahoma Health Sciences Center, Oklahoma City, United States.,Department of Microbiology and Immunology, University of Oklahoma Health Sciences Center, Oklahoma City, United States
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A Novel Mu-Delta Opioid Agonist Demonstrates Enhanced Efficacy With Reduced Tolerance and Dependence in Mouse Neuropathic Pain Models. THE JOURNAL OF PAIN 2019; 21:146-160. [PMID: 31201990 DOI: 10.1016/j.jpain.2019.05.017] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Revised: 05/14/2019] [Accepted: 05/29/2019] [Indexed: 01/18/2023]
Abstract
Numerous studies have demonstrated a physiological interaction between the mu opioid receptor (MOR) and delta opioid receptor (DOR) systems. A few studies have shown that dual MOR-DOR agonists could be beneficial, with reduced tolerance and addiction liability, but are nearly untested in chronic pain models, particularly neuropathic pain. In this study, we tested the MOR-DOR agonist SRI-22141 in mice in the clinically relevant models of HIV Neuropathy and Chemotherapy-Induced Peripheral Neuropathy (CIPN). SRI-22141 was more potent than morphine in the tail flick pain test and had equal or enhanced efficacy versus morphine in both neuropathic pain models, with significantly reduced tolerance. SRI-22141 also produced no jumping behavior during naloxone-precipitated withdrawal in CIPN or naïve mice, suggesting that SRI-22141 produces little to no dependence. SRI-22141 also reduced tumor necrosis factor-α and cyclooxygenase-2 in CIPN in the spinal cord, suggesting an anti-inflammatory mechanism of action. The DOR-selective antagonist naltrindole strongly reduced CIPN efficacy and anti-inflammatory activity in the spinal cord, without affecting tail flick antinociception, suggesting the importance of DOR activity in these models. Overall, these results provide compelling evidence that MOR-DOR agonists could have strong efficacy with reduced side effects and an anti-inflammatory mechanism in the treatment of neuropathic pain. PERSPECTIVE: This study demonstrates that a MOR-DOR dual agonist given chronically in chronic neuropathic pain models has enhanced efficacy with strongly reduced tolerance and dependence, with a further anti-inflammatory effect in the spinal cord. This suggests that MOR-DOR dual agonists could be effective treatments for neuropathic pain with reduced side effects.
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Ameliorative effect of gallic acid in paclitaxel-induced neuropathic pain in mice. Toxicol Rep 2019; 6:505-513. [PMID: 31211096 PMCID: PMC6562321 DOI: 10.1016/j.toxrep.2019.06.001] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2018] [Revised: 05/28/2019] [Accepted: 06/06/2019] [Indexed: 12/20/2022] Open
Abstract
Gallic acid (GA) is a natural phenolic type of neuroprotective compound. GA possesses anti-nociceptive action against paclitaxel-induced neurotoxicity. GA inhibits THF-α mediated neuropathic pain sensation.
The present study has been investigated the role of gallic acid (GA) in paclitaxel-induced neuropathic pain. The neuropathic pain was developed with paclitaxel (PT: 2 mg/kg, i.p.) administration in mice. GA (20 and 40 mg/kg) and pregabalin (PreG: 5 mg/kg) were administered intravenously for 10 consecutive days. The neuralgic sensations were investigated by assessing various pain tests like acetone drop, pinprick, plantar, tail flick, and tail pinch test. Mice pain behaviors were evaluated on 0, 4th, 8th, 12th and 16th days. The levels of sciatic nerve thiobarbituric acid reactive substances (TBARS), reduced glutathione (GSH), superoxide anion, calcium, myeloperoxidase (MPO), and TNF-α were estimated. Treatment of GA and PreG attenuate PT induced thermal &mechanical hyperalgesia and allodynia symptoms along with the reduction of TBARS, total calcium, TNF-α, superoxide anion, and MPO activity levels; and decreased GSH level. Therefore, it has been concluded that GA has potential neuroprotective actions against PT induced neuropathic pain due to it's anti-oxidant, anti-inflammation and regulation of intracellular calcium ion concentration.
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Ganugula R, Deng M, Arora M, Pan HL, Kumar MNVR. Polyester Nanoparticle Encapsulation Mitigates Paclitaxel-Induced Peripheral Neuropathy. ACS Chem Neurosci 2019; 10:1801-1812. [PMID: 30609902 DOI: 10.1021/acschemneuro.8b00703] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Chemotherapy utilizing cytotoxic drugs, such as paclitaxel (PTX), is still a commonly used therapeutic approach to treat both localized and metastasized cancers. Unlike traditional regimens in which PTX is administered at the maximum tolerated dose, alternative regimens like metronomic dosing are beneficial by administering PTX more frequently and in much lower doses exploiting antiangiogenic and immunomodulatory effects. However, PTX-induced peripheral neuropathy and lack of patient compliant dosage forms of PTX are major roadblocks for the successful implementation of metronomic regimens. Because of the success of polyester nanoparticle drug delivery, we explored the potential of nanoparticle-encapsulated paclitaxel (nPTX) in alleviating peripheral neuropathy using a rat model. Rats were injected intraperitoneally with 2 mg/kg body weight of PTX or nPTX on four alternate days, and neuropathic pain and neuronal damage were characterized using behavioral assessments, histology, and immunohistochemistry. The reduction in tactile and nociceptive pressure thresholds was significantly less in nPTX-treated rats than in PTX-treated rats over a 16-day study period. Histological analysis showed that the degree of dorsal root ganglion (DRG) degeneration and reduction in motor neurons in the spinal cord was significantly lower in the nPTX group than the PTX group. Further, immunofluorescence data reveals that nPTX-treated rats had an increased density of a neuronal marker, β-tubulin-III, reduced TUNEL positive cells, and increased high molecular weight neurofilament in the spinal cord, DRG, and sciatic nerves compared with PTX-treated rats. Therefore, this work has important implications in improving risk-benefit profile of PTX, paving the way for metronomic regimens.
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Affiliation(s)
- R. Ganugula
- Department of Pharmaceutical Sciences, College of Pharmacy, Texas A&M University, Reynolds Medical Building, TAMU Mail Stop 1114, College Station, Texas 77843, United States
| | - M. Deng
- Center for Neuroscience and Pain Research, Department of Anesthesiology and Perioperative Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, United States
| | - M. Arora
- Department of Pharmaceutical Sciences, College of Pharmacy, Texas A&M University, Reynolds Medical Building, TAMU Mail Stop 1114, College Station, Texas 77843, United States
| | - H.-L. Pan
- Center for Neuroscience and Pain Research, Department of Anesthesiology and Perioperative Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, United States
| | - M. N. V. Ravi Kumar
- Department of Pharmaceutical Sciences, College of Pharmacy, Texas A&M University, Reynolds Medical Building, TAMU Mail Stop 1114, College Station, Texas 77843, United States
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Rajchgot T, Thomas SC, Wang JC, Ahmadi M, Balood M, Crosson T, Dias JP, Couture R, Claing A, Talbot S. Neurons and Microglia; A Sickly-Sweet Duo in Diabetic Pain Neuropathy. Front Neurosci 2019; 13:25. [PMID: 30766472 PMCID: PMC6365454 DOI: 10.3389/fnins.2019.00025] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2018] [Accepted: 01/11/2019] [Indexed: 12/11/2022] Open
Abstract
Diabetes is a common condition characterized by persistent hyperglycemia. High blood sugar primarily affects cells that have a limited capacity to regulate their glucose intake. These cells include capillary endothelial cells in the retina, mesangial cells in the renal glomerulus, Schwann cells, and neurons of the peripheral and central nervous systems. As a result, hyperglycemia leads to largely intractable complications such as retinopathy, nephropathy, hypertension, and neuropathy. Diabetic pain neuropathy is a complex and multifactorial disease that has been associated with poor glycemic control, longer diabetes duration, hypertension, advanced age, smoking status, hypoinsulinemia, and dyslipidemia. While many of the driving factors involved in diabetic pain are still being investigated, they can be broadly classified as either neuron -intrinsic or -extrinsic. In neurons, hyperglycemia impairs the polyol pathway, leading to an overproduction of reactive oxygen species and reactive nitrogen species, an enhanced formation of advanced glycation end products, and a disruption in Na+/K+ ATPase pump function. In terms of the extrinsic pathway, hyperglycemia leads to the generation of both overactive microglia and microangiopathy. The former incites a feed-forward inflammatory loop that hypersensitizes nociceptor neurons, as observed at the onset of diabetic pain neuropathy. The latter reduces neurons' access to oxygen, glucose and nutrients, prompting reductions in nociceptor terminal expression and losses in sensation, as observed in the later stages of diabetic pain neuropathy. Overall, microglia can be seen as potent and long-lasting amplifiers of nociceptor neuron activity, and may therefore constitute a potential therapeutic target in the treatment of diabetic pain neuropathy.
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Affiliation(s)
- Trevor Rajchgot
- Département de Pharmacologie et Physiologie, Faculté de Médecine, Université de Montréal, Montréal, QC, Canada
| | - Sini Christine Thomas
- Département de Pharmacologie et Physiologie, Faculté de Médecine, Université de Montréal, Montréal, QC, Canada
| | - Jo-Chiao Wang
- Graduate Institute of Microbiology, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Maryam Ahmadi
- Département de Pharmacologie et Physiologie, Faculté de Médecine, Université de Montréal, Montréal, QC, Canada
| | - Mohammad Balood
- Département de Pharmacologie et Physiologie, Faculté de Médecine, Université de Montréal, Montréal, QC, Canada
| | - Théo Crosson
- Département de Pharmacologie et Physiologie, Faculté de Médecine, Université de Montréal, Montréal, QC, Canada
| | - Jenny Pena Dias
- Johns Hopkins University School of Medicine, Division of Endocrinology, Diabetes and Metabolism, Baltimore, MD, United States
| | - Réjean Couture
- Département de Pharmacologie et Physiologie, Faculté de Médecine, Université de Montréal, Montréal, QC, Canada
| | - Audrey Claing
- Département de Pharmacologie et Physiologie, Faculté de Médecine, Université de Montréal, Montréal, QC, Canada
| | - Sébastien Talbot
- Département de Pharmacologie et Physiologie, Faculté de Médecine, Université de Montréal, Montréal, QC, Canada
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Wu P, Chen Y. Evodiamine ameliorates paclitaxel-induced neuropathic pain by inhibiting inflammation and maintaining mitochondrial anti-oxidant functions. Hum Cell 2019; 32:251-259. [PMID: 30701373 DOI: 10.1007/s13577-019-00238-4] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Accepted: 01/14/2019] [Indexed: 02/08/2023]
Abstract
Chemotherapy-induced neuropathic pain (CINP) is a common and debilitating side effect of cancer treatment. Evodiamine, a major effective compound isolated from Evodia rutaecarpa, has been associated with anti-inflammatory and anti-nociceptive effects, an important therapeutic strategy for the treatment of neuropathic pain. However, the effects of evodiamine on CINP remain unknown. Thus, this study aims to investigate the pharmacological potential of evodiamine in attenuating paclitaxel-induced peripheral neuropathy. The results showed that evodiamine enhanced but not reduced the sensitivity of cancer cells to paclitaxel treatment. In a rat model of paclitaxel-induced peripheral neuropathy, evodiamine significantly ameliorated the development of mechanical and thermal hypersensitivity. Moreover, paclitaxel-induced the loss of intraepidermal nerve fibers was markedly inhibited by evodiamine administration. This inhibitory effect was accompanied with the decrease in inflammatory and chemoattractant cytokines level in dorsal root ganglia (DRG), such as interleukin (IL)-1β, IL-6, tumor necrosis factor-α and monocyte chemoattractant protein-1. In addition, evodiamine administration limited paclitaxel-induced elevation of oxidative stress in DRG tissues. The mitochondrial dysfunction evoked by paclitaxel was also remarkably improved in evodiamine-treated rats, evidenced by restoration of peroxisome proliferator-activated receptor gamma coactivator 1-α (PGC-1α), uncoupling protein 2 (UCP2), and superoxide dismutase 2 (SOD2) expression. In in vitro studies, we found that evodiamine prevented paclitaxel-induced the loss of mitochondrial membrane potential and PGC-1α, UCP2 and SOD2 expression in DRG cells. In conclusion, our study demonstrates that evodiamine ameliorates paclitaxel-induced neuropathic pain by inhibiting inflammatory response and maintaining mitochondrial anti-oxidant functions, indicating that evodiamine may be a promising therapeutic agent for CINP treatment.
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Affiliation(s)
- Peipei Wu
- Department of Anesthesiology, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, NO. 29 Xinglong Road, Changzhou, 213000, Jiangsu, China
| | - Yong Chen
- Department of Anesthesiology, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, NO. 29 Xinglong Road, Changzhou, 213000, Jiangsu, China.
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Du H, Shi J, Wang M, An S, Guo X, Wang Z. Analyses of gene expression profiles in the rat dorsal horn of the spinal cord using RNA sequencing in chronic constriction injury rats. J Neuroinflammation 2018; 15:280. [PMID: 30253787 PMCID: PMC6156955 DOI: 10.1186/s12974-018-1316-0] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Accepted: 09/18/2018] [Indexed: 12/29/2022] Open
Abstract
Background Neuropathic pain is caused by damage to the nervous system, resulting in aberrant pain, which is associated with gene expression changes in the sensory pathway. However, the molecular mechanisms are not fully understood. Methods Wistar rats were employed for the establishment of the chronic constriction injury (CCI) models. Using the Illumina HiSeq 4000 platform, we examined differentially expressed genes (DEGs) in the rat dorsal horn by RNA sequencing (RNA-seq) between CCI and control groups. Then, enrichment analyses were performed for these DEGs using Gene Ontology (GO) function, Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway, Hierarchical Cluster, and protein-protein interaction (PPI) network. Results A total of 63 DEGs were found significantly changed with 56 upregulated (e.g., Cxcl13, C1qc, Fcgr3a) and 7 downregulated (e.g., Dusp1) at 14 days after CCI. Quantitative reverse-transcribed PCR (qRT-PCR) verified changes in 13 randomly selected DEGs. GO and KEGG biological pathway analyses showed that the upregulated DEGs were mostly enriched in immune response-related biological processes, as well as 14 immune- and inflammation-related pathways. The downregulated DEGs were enriched in inactivation of mitogen-activated protein kinase (MAPK) activity. PPI network analysis showed that Cd68, C1qc, C1qa, Laptm5, and Fcgr3a were crucial nodes with high connectivity degrees. Most of these genes which have previously been linked to immune and inflammation-related pathways have not been reported in neuropathic pain (e.g., Laptm5, Fcgr3a). Conclusions Our results revealed that immune and defense pathways may contribute to the generation of neuropathic pain after CCI. These mRNAs may represent new therapeutic targets for the treatment of neuropathic pain. Electronic supplementary material The online version of this article (10.1186/s12974-018-1316-0) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Hui Du
- Department of Histology and Embryology, Taishan Medical University, Taian, 271000, China
| | - Juan Shi
- Department of Human Anatomy, Taishan Medical University, Taian, 271000, China
| | - Ming Wang
- Department of Human Anatomy, Taishan Medical University, Taian, 271000, China
| | - Shuhong An
- Department of Human Anatomy, Taishan Medical University, Taian, 271000, China
| | - Xingjing Guo
- Department of Physiology, Taishan Medical University, Taian, 271000, China
| | - Zhaojin Wang
- Department of Human Anatomy, Taishan Medical University, Taian, 271000, China.
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