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Wang R, Wang ZY, Zhang Y, Shaheer ARM, Liu TF, Cao R. Bridging Atom Engineering for Low-Temperature Oxygen Activation in a Robust Metal-Organic Framework. Angew Chem Int Ed Engl 2024; 63:e202400160. [PMID: 38523066 DOI: 10.1002/anie.202400160] [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: 01/03/2024] [Revised: 03/22/2024] [Accepted: 03/22/2024] [Indexed: 03/26/2024]
Abstract
Achieving active site engineering at the atomic level poses a significant challenge in the design and optimization of catalysts for energy-efficient catalytic processes, especially for a reaction with two reactants competitively absorbed on catalytic active sites. Herein, we show an example that tailoring the local environment of cobalt sites in a robust metal-organic framework through substituting the bridging atom from -Cl to -OH group leads to a highly active catalyst for oxygen activation in an oxidation reaction. Comprehensive characterizations reveal that this variation imparts drastic changes on the electronic structure of metal centers, the competitive reactant adsorption behavior, and the intermediate formation. As a result, exceptional low-temperature CO oxidation performance was achieved with T25(Temperature for 25 % conversion)=35 °C and T100 (Temperature for 100 % conversion)=150 °C, which stands out from existing MOF-based catalysts and even rivals many noble metal catalysts. This work provides a guidance for the rational design of catalysts for efficient oxygen activation for an oxidation reaction.
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Affiliation(s)
- Rui Wang
- State Key Laboratory of Structure Chemistry Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350108, P. R. China
- Department of Chemistry School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Zi-Yu Wang
- State Key Laboratory of Structure Chemistry Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350108, P. R. China
| | - Yuan Zhang
- State Key Laboratory of Structure Chemistry Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350108, P. R. China
| | - A R Mahammed Shaheer
- State Key Laboratory of Structure Chemistry Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350108, P. R. China
| | - Tian-Fu Liu
- State Key Laboratory of Structure Chemistry Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350108, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Rong Cao
- State Key Laboratory of Structure Chemistry Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350108, P. R. China
- Department of Chemistry School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
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Liang Y, Zhou Y, Moneruzzaman M, Wang Y. Optogenetic Neuromodulation in Inflammatory Pain. Neuroscience 2024; 536:104-118. [PMID: 37977418 DOI: 10.1016/j.neuroscience.2023.11.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 11/02/2023] [Accepted: 11/11/2023] [Indexed: 11/19/2023]
Abstract
Inflammatory pain is one of the most prevalent forms of pain and negatively influences the quality of life. Neuromodulation has been an expanding field of pain medicine and is accepted by patients who have failed to respond to several conservative treatments. Despite its effectiveness, neuromodulation still lacks clinically robust evidence on inflammatory pain management. Optogenetics, which controls particular neurons or brain circuits with high spatiotemporal accuracy, has recently been an emerging area for inflammatory pain management and studying its mechanism. This review considers the fundamentals of optogenetics, including using opsins, targeting gene expression, and wavelength-specific light delivery techniques. The recent evidence on application and development of optogenetic neuromodulation in inflammatory pain is also summarised. The current limitations and challenges restricting the progression and clinical transformation of optogenetics in pain are addressed. Optogenetic neuromodulation in inflammatory pain has many potential targets, and developing strategies enabling clinical application is a desirable therapeutic approach and outcome.
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Affiliation(s)
- Yanan Liang
- Rehabilitation Center, Qilu Hospital of Shandong University, Jinan, China; University of Health and Rehabilitation Sciences, Qingdao, China; Research Center for Basic Medical Sciences, Jinan, China
| | - Yaping Zhou
- Shandong Maternal and Child Health Hospital, Jinan, China
| | - Md Moneruzzaman
- Rehabilitation Center, Qilu Hospital of Shandong University, Jinan, China
| | - Yonghui Wang
- Rehabilitation Center, Qilu Hospital of Shandong University, Jinan, China.
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Tonello R, Anderson WB, Davidson S, Escriou V, Yang L, Schmidt BL, Imlach WL, Bunnett NW. The contribution of endocytosis to sensitization of nociceptors and synaptic transmission in nociceptive circuits. Pain 2023; 164:1355-1374. [PMID: 36378744 PMCID: PMC10182228 DOI: 10.1097/j.pain.0000000000002826] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 11/08/2022] [Indexed: 11/16/2022]
Abstract
ABSTRACT Chronic pain involves sensitization of nociceptors and synaptic transmission of painful signals in nociceptive circuits in the dorsal horn of the spinal cord. We investigated the contribution of clathrin-dependent endocytosis to sensitization of nociceptors by G protein-coupled receptors (GPCRs) and to synaptic transmission in spinal nociceptive circuits. We determined whether therapeutic targeting of endocytosis could ameliorate pain. mRNA encoding dynamin (Dnm) 1 to 3 and adaptor-associated protein kinase 1 (AAK1), which mediate clathrin-dependent endocytosis, were localized to primary sensory neurons of dorsal root ganglia of mouse and human and to spinal neurons in the dorsal horn of the mouse spinal cord by RNAScope. When injected intrathecally to mice, Dnm and AAK1 siRNA or shRNA knocked down Dnm and AAK1 mRNA in dorsal root ganglia neurons, reversed mechanical and thermal allodynia and hyperalgesia, and normalized nonevoked behavior in preclinical models of inflammatory and neuropathic pain. Intrathecally administered inhibitors of clathrin, Dnm, and AAK1 also reversed allodynia and hyperalgesia. Disruption of clathrin, Dnm, and AAK1 did not affect normal motor functions of behaviors. Patch clamp recordings of dorsal horn neurons revealed that Dnm1 and AAK1 disruption inhibited synaptic transmission between primary sensory neurons and neurons in lamina I/II of the spinal cord dorsal horn by suppressing release of synaptic vesicles from presynaptic primary afferent neurons. Patch clamp recordings from dorsal root ganglion nociceptors indicated that Dnm siRNA prevented sustained GPCR-mediated sensitization of nociceptors. By disrupting synaptic transmission in the spinal cord and blunting sensitization of nociceptors, endocytosis inhibitors offer a therapeutic approach for pain treatment.
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Affiliation(s)
- Raquel Tonello
- Department of Molecular Pathobiology, Department of Neuroscience and Physiology, Neuroscience Institute, New York University, New York, NY 10010, USA
- Pain Research Center, New York University
| | - Wayne B. Anderson
- Department of Physiology and Monash Biomedicine Discovery Institute, Monash University, VIC 3800, Australia
| | - Steve Davidson
- Department of Anesthesiology, College of Medicine, University of Cincinnati, Cincinnati, USA
| | | | - Lei Yang
- NYU Dentistry Translational Research Center, New York University College of Dentistry, New York, NY 10010, USA
| | - Brian L. Schmidt
- Department of Molecular Pathobiology, Department of Neuroscience and Physiology, Neuroscience Institute, New York University, New York, NY 10010, USA
- Pain Research Center, New York University
- NYU Dentistry Translational Research Center, New York University College of Dentistry, New York, NY 10010, USA
| | - Wendy L. Imlach
- Department of Physiology and Monash Biomedicine Discovery Institute, Monash University, VIC 3800, Australia
| | - Nigel W. Bunnett
- Department of Molecular Pathobiology, Department of Neuroscience and Physiology, Neuroscience Institute, New York University, New York, NY 10010, USA
- Pain Research Center, New York University
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Abed DZ, Jabbari S, Zakaria ZA, Mohammadi S. Insight into the possible mechanism(s) involved in the antinociceptive and antineuropathic activity of Descurainia sophia L. Webb ex Prantl essential oil. JOURNAL OF ETHNOPHARMACOLOGY 2022; 298:115638. [PMID: 36007719 DOI: 10.1016/j.jep.2022.115638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 08/03/2022] [Accepted: 08/08/2022] [Indexed: 06/15/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Descurainia sophia (L.)(Brassicaceae), popularly known as "Khaksheer", is a native species widely distributed in Iran. The seeds and essential oil has been used in local traditional medicine (Persian folk ethnomedicine) to treat fever, inflammation, back pain, and headache. AIM OF THE STUDY To investigate in vitro anti-nociceptive and antineuropathic activities of Descurainia sophia seeds essential oil (DSEO) in rats and to determine the possible mechanism(s) involved. MATERIALS AND METHODS The antinociceptive activity of DSEO or Linolenic acid (LA) was evaluated using the formalin induced paw licking test followed by determination on the role of NO-cGMP-K+ channel pathway as well as a number of non-opioid receptor systems (vanilloid, dopamine, cannabinoid, serotonin, peroxisome proliferator activated, and adrenergic receptors) in the modulation of DSEO-induced antinociceptive activity. Additionally, the cervical spinal cord contusion (CCS) model was used to study antineuropathic potential of DSEO or LA. RESULTS DSEO exerted significant (p < 0.05) antinociceptive activity in formalin test (both phases) and altered mechanical allodynia and hyperalgesia observed in the CCS model. Pretreatment with glibenclamide, Nω-nitro-L-arginine methyl ester, tranilast, methylene blue, SCH23390, SR141716A and SR144528 restored DSEO-induced antinociceptive activity observed in the formalin test. Furthermore, LA also reduced nociceptive responses induced in the formalin and CCS models. CONCLUSION DSEO inhibits inflammatory mediated nociceptive response partly via the modulation of NO-cGMP-K+ channels pathway well as the activation of vanilloid, dopamine, and cannabinoid receptors, and exerts antineuropathic activity possibly via the modulation of inflammatory mediated activity. Thus, these findings confirm the Persian ethno-medicine claim on the efficacy of D. Sophia.
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Affiliation(s)
- Donya Ziafatdoost Abed
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran.
| | - Sajjad Jabbari
- Department of Biology, Faculty of Sciences, Islamic Azad University, Tehran North Branch, Tehran, Iran.
| | - Zainul Amiruddin Zakaria
- Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, Universiti Malaysia Sabah, Jalan UMS, Kota Kinabalu, 88400, Sabah, Malaysia.
| | - Saeed Mohammadi
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran.
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Abstract
Joint pain is the hallmark symptom of osteoarthritis (OA) and the main reason for patients to seek medical assistance. OA pain greatly contributes to functional limitations of joints and reduced quality of life. Although several pain-relieving medications are available for OA treatment, the current intervention strategy for OA pain cannot provide satisfactory pain relief, and the chronic use of the drugs for pain management is often associated with significant side effects and toxicities. These observations suggest that the mechanisms of OA-related pain remain undefined. The current review mainly focuses on the characteristics and mechanisms of OA pain. We evaluate pathways associated with OA pain, such as nerve growth factor (NGF)/tropomyosin receptor kinase A (TrkA), calcitonin gene-related peptide (CGRP), C–C motif chemokine ligands 2 (CCL2)/chemokine receptor 2 (CCR2) and tumor necrosis factor alpha (TNF-α), interleukin-1beta (IL-1β), the NOD-like receptor (NLR) family, pyrin domain-containing protein 3 (NLRP3) inflammasome, and the Wnt/β-catenin signaling pathway. In addition, animal models currently used for OA pain studies and emerging preclinical studies are discussed. Understanding the multifactorial components contributing to OA pain could provide novel insights into the development of more specific and effective drugs for OA pain management.
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Modulation of KIF17/NR2B crosstalk by tozasertib attenuates inflammatory pain in rats. Inflammopharmacology 2022; 30:549-563. [PMID: 35243557 DOI: 10.1007/s10787-022-00948-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Accepted: 02/09/2022] [Indexed: 11/27/2022]
Abstract
Chronic pain is among the most burdensome and devastating disorders affecting millions of people worldwide. Recent studies suggest the role of kinesin nanomotors in development and maintenance of chronic pain. KIF17 is a member of kinesin superfamily that binds to NR2B cargo system via mLin10 scaffolding protein and makes the NMDARs functional at cell surface. NMDA receptor activation is known to induce the central sensitization and excitotoxicity which can be recognized by the glial cells followed by the release of cytokine storm at spinal and supraspinal level leading to chronic pain. In this study, we have investigated the role of aurora kinase in the regulation of KIF17 and NR2B trafficking in the animal model of chronic inflammatory pain. Tozasertib (10, 20, and 40 mg/kg i.p.), a pan aurora kinase inhibitor, significantly attenuates acute inflammatory pain and suppresses enhanced pain hypersensitivity to heat, cold, and mechanical stimuli in CFA-injected rats. Molecular investigations suggest enhanced expression of KIF17/mLin10/NR2B in L4-L5 dorsal root ganglion (DRG) and spinal cord of CFA-injected rats which was significantly attenuated on treatment with tozasertib. Moreover, tozasertib treatment significantly attenuated CFA-induced oxido-nitrosative stress and macrophage activation in DRG and microglia activation in spinal cord of rats. Findings from the current study suggest that tozasertib mediates anti-nociceptive activity by inhibiting aurora kinase-mediated KIF17/mLin10/NR2B signaling.
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Prichard KL, O'Brien NS, Murcia SR, Baker JR, McCluskey A. Role of Clathrin and Dynamin in Clathrin Mediated Endocytosis/Synaptic Vesicle Recycling and Implications in Neurological Diseases. Front Cell Neurosci 2022; 15:754110. [PMID: 35115907 PMCID: PMC8805674 DOI: 10.3389/fncel.2021.754110] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 12/10/2021] [Indexed: 12/17/2022] Open
Abstract
Endocytosis is a process essential to the health and well-being of cell. It is required for the internalisation and sorting of “cargo”—the macromolecules, proteins, receptors and lipids of cell signalling. Clathrin mediated endocytosis (CME) is one of the key processes required for cellular well-being and signalling pathway activation. CME is key role to the recycling of synaptic vesicles [synaptic vesicle recycling (SVR)] in the brain, it is pivotal to signalling across synapses enabling intracellular communication in the sensory and nervous systems. In this review we provide an overview of the general process of CME with a particular focus on two key proteins: clathrin and dynamin that have a central role to play in ensuing successful completion of CME. We examine these two proteins as they are the two endocytotic proteins for which small molecule inhibitors, often of known mechanism of action, have been identified. Inhibition of CME offers the potential to develop therapeutic interventions into conditions involving defects in CME. This review will discuss the roles and the current scope of inhibitors of clathrin and dynamin, providing an insight into how further developments could affect neurological disease treatments.
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Sheehan GD, Martin MK, Young VA, Powell R, Bhattacharjee A. Thermal hyperalgesia and dynamic weight bearing share similar recovery dynamics in a sciatic nerve entrapment injury model. NEUROBIOLOGY OF PAIN 2021; 10:100079. [PMID: 34917858 PMCID: PMC8665403 DOI: 10.1016/j.ynpai.2021.100079] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 12/01/2021] [Accepted: 12/01/2021] [Indexed: 11/28/2022]
Abstract
The sciatic nerve cuff model of neuropathic pain exhibits pain recovery. Thermal hyperalgesia and dynamic weight bearing display similar pain recovery profiles, whereas mechanical allodynia persists. Dynamic weight bearing is a non-reflexive, pain assessment of ongoing pain during nerve entrapment.
Chronic constriction injuries (CCI) of the sciatic nerve are widely used nerve entrapment animal models of neuropathic pain. Two common pain behaviors observed following CCI are thermal hyperalgesia and mechanical allodynia, measured by the Hargreaves and von Frey tests, respectively. While thermal hyperalgesia tends to recover by 30 days, mechanical allodynia can persist for many more months thereafter. Consequently, mechanical allodynia has been used extensively as a measure of ‘chronic pain’ focusing on the circuitry changes that occur within the spinal cord. Here, using the sciatic nerve cuff variant of CCI in mice, we propose that in contrast to these evoked measures of nociceptive hypersensitivity, dynamic weight bearing provides a more clinically relevant behavioral measure for ongoing pain during nerve injury. We found that the effect of sciatic nerve cuff on the ratio of weight bearing by the injured relative to uninjured hindlimbs more closely resembled that of thermal hyperalgesia, following a trend toward recovery by 30 days. We also found an increase in the percent of body weight bearing by the contralateral paw that is not seen in the previously tested behaviors. These results demonstrate that dynamic weight bearing is a reliable measure of non-evoked neuropathic pain and suggest that thermal hyperalgesia, rather than mechanical allodynia, provides a proxy measure for nerve entrapment-induced ongoing pain.
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Affiliation(s)
- Garrett D. Sheehan
- Program in Neuroscience, University at Buffalo, The State University of New York, Buffalo, NY 14203, USA
| | - Molly K. Martin
- Program in Neuroscience, University at Buffalo, The State University of New York, Buffalo, NY 14203, USA
| | - Violet A. Young
- Program in Neuroscience, University at Buffalo, The State University of New York, Buffalo, NY 14203, USA
| | - Rasheen Powell
- Department of Pharmacology and Toxicology, University at Buffalo, The State University of New York, Buffalo, NY 14203, USA
| | - Arin Bhattacharjee
- Program in Neuroscience, University at Buffalo, The State University of New York, Buffalo, NY 14203, USA
- Department of Pharmacology and Toxicology, University at Buffalo, The State University of New York, Buffalo, NY 14203, USA
- Corresponding author at: Department of Pharmacology and Toxicology, University at Buffalo, The State University of New York USA.
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