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Wu JY, Li Y, Li BL, Wang YG, Cui WG, Zhou WH, Zhao X. Evidence for 5-HT 1A receptor-mediated antiallodynic and antihyperalgesic effects of apigenin in mice suffering from mononeuropathy. Br J Pharmacol 2021; 178:4005-4025. [PMID: 34030210 DOI: 10.1111/bph.15574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Revised: 04/28/2021] [Accepted: 05/09/2021] [Indexed: 11/27/2022] Open
Abstract
BACKGROUND AND PURPOSE Neuropathic pain places a devastating health burden, with very few effective therapies. We investigated the potential antiallodynic and antihyperalgesic effects of apigenin, a natural flavonoid with momoamine oxidase (MAO) inhibitory activity, against neuropathic pain and investigated the mechanism(s). EXPERIMENTAL APPROACH The neuropathic pain model was produced by chronic constriction injury of sciatic nerves in male C57BL/6J mice, with pain-related behaviours being assayed by von Frey test and Hargreaves test. In this model the role of 5-HT and 5-HT1A receptor-related mechanisms were investigated in vivo/in vitro. KEY RESULTS Apigenin repeated treatment (p.o., once per day for 2 weeks), in a dose-related manner (3, 10 and 30 mg·kg-1 ), ameliorated the allodynia and hyperalgesia in chronic nerve constriction injury in mice. These effects seem dependent on neuronal 5-hydroxytryptamine, because (i) the antihyperalgesia and antiallodynia were attenuated by depletion of 5-HT with p-chlorophenylalanine and potentiated by 5-hydroxytryptophan and (ii), apigenin-treated chronic constriction injury mice caused an increased level of spinal 5-HT, associated with diminished MAO activity. In vivo administration, spinally or systematically, of the 5-HT1A antagonist WAY-100635 inhibited the apigenin-induced antiallodynia and antihyperalgesia. In vitro, apigenin acted as a positive allosteric modulator to increase the efficacy (stimulation of [35 S]GTPγS binding) of the 5-HT1A agonist 8-OH-DPAT. Apigenin attenuated neuronal changes caused by chronic constriction of the sciatic nerve in mice, without causing a hypertensive crisis. CONCLUSION AND IMPLICATIONS Apigenin antiallodynic and antihyperalgesic actions against neuropathic pain crucially involve spinal 5-HT1A receptors and indicate it could be used to treat neuropathic pain.
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Affiliation(s)
- Jia-Yi Wu
- Department of Pharmacology, Ningbo University, School of Medical Science, Ningbo, China
| | - Ye Li
- School of Marine Science, Ningbo University, Ningbo, China
| | - Ben-Ling Li
- School of Mathematics and Statistics, Ningbo University, Ningbo, China
| | - Yan-Gui Wang
- Department of Geriatrics, Hunan Provincial People's Hospital, Changsha, China
| | - Wu-Geng Cui
- Department of Pharmacology, Ningbo University, School of Medical Science, Ningbo, China
| | - Wen-Hua Zhou
- Department of Pharmacology, Ningbo University, School of Medical Science, Ningbo, China
| | - Xin Zhao
- Department of Pharmacology, Ningbo University, School of Medical Science, Ningbo, China
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Hu P, Mei QY, Ma L, Cui WG, Zhou WH, Zhou DS, Zhao Q, Xu DY, Zhao X, Lu Q, Hu ZY. Secoisolariciresinol diglycoside, a flaxseed lignan, exerts analgesic effects in a mouse model of type 1 diabetes: Engagement of antioxidant mechanism. Eur J Pharmacol 2015; 767:183-92. [PMID: 26494631 DOI: 10.1016/j.ejphar.2015.10.024] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2014] [Revised: 10/11/2015] [Accepted: 10/12/2015] [Indexed: 01/05/2023]
Abstract
Peripheral painful neuropathy is one of the most common complications in diabetes and necessitates improved treatment. Secoisolariciresinol diglycoside (SDG), a predominant lignan in flaxseed, has been shown in our previous studies to exert antidepressant-like effect. As antidepressant drugs are clinically used to treat chronic neuropathic pain, this work aimed to investigate the potential analgesic efficacy of SDG against diabetic neuropathic pain in a mouse model of type 1 diabetes. We subjected mice to diabetes by a single intraperitoneal (i.p.) injection of streptozotocin (STZ, 200 mg/kg), and Hargreaves test or von Frey test was used to assess thermal hyperalgesia or mechanical allodynia, respectively. Chronic instead of acute SDG treatment (3, 10 or 30 mg/kg, p.o., twice per day for three weeks) ameliorated thermal hyperalgesia and mechanical allodynia in diabetic mice, and these analgesic actions persisted about three days when SDG treatment was terminated. Although chronic treatment of SDG to diabetic mice did not impact on the symptom of hyperglycemia, it greatly attenuated excessive oxidative stress in sciatic nerve and spinal cord tissues, and partially counteracted the condition of weight decrease. Furthermore, the analgesic actions of SDG were abolished by co-treatment with the reactive oxygen species donor tert-butyl hydroperoxide (t-BOOH), but potentiated by the reactive oxygen species scavenger phenyl-N-tert-butylnitrone (PBN). These findings indicate that chronic SDG treatment can correct neuropathic hyperalgesia and allodynia in mice with type 1 diabetes. Mechanistically, the analgesic actions of SDG in diabetic mice may be associated with its antioxidant activity.
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Affiliation(s)
- Pei Hu
- Department of Vasculocardiology, Jingzhou Central Hospital, Jingzhou, Hubei Province 434020, China
| | - Qi-Yong Mei
- Department of Neurosurgery, Shanghai Changzheng Hospital, The Second Military Medical University, Shanghai 200003, China
| | - Li Ma
- Department of Neurology, Jingzhou Central Hospital, Jingzhou, Hubei Province 434020, China
| | - Wu-Geng Cui
- Department of Pharmacology, Ningbo University, School of Medical Science, Ningbo, Zhejiang Province 315211, China
| | - Wen-Hua Zhou
- Department of Pharmacology, Ningbo University, School of Medical Science, Ningbo, Zhejiang Province 315211, China
| | - Dong-Sheng Zhou
- Department of Psychiatry, Ningbo Kangning Hospital, Ningbo, Zhejiang Province 315201, China
| | - Qing Zhao
- Department of Neurology, Putuo District Center Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200062, China
| | - Dong-Ying Xu
- Department of Obstetrics and Gynecology, TongRen Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, China
| | - Xin Zhao
- Department of Pharmacology, Ningbo University, School of Medical Science, Ningbo, Zhejiang Province 315211, China.
| | - Qin Lu
- Department of Obstetrics and Gynecology, TongRen Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, China.
| | - Zhen-Yu Hu
- Department of Pharmacology, Ningbo University, School of Medical Science, Ningbo, Zhejiang Province 315211, China; Department of Psychiatry, Ningbo Kangning Hospital, Ningbo, Zhejiang Province 315201, China.
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Zhao X, Wang C, Cui WG, Ma Q, Zhou WH. Fisetin exerts antihyperalgesic effect in a mouse model of neuropathic pain: engagement of spinal serotonergic system. Sci Rep 2015; 5:9043. [PMID: 25761874 PMCID: PMC4356956 DOI: 10.1038/srep09043] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2014] [Accepted: 02/16/2015] [Indexed: 12/12/2022] Open
Abstract
Fisetin, a natural flavonoid, has been shown in our previous studies to exert antidepressant-like effect. As antidepressant drugs are clinically used to treat chronic neuropathic pain, this work aimed to investigate the potential antinociceptive efficacies of fisetin against neuropathic pain and explore mechanism(s). We subjected mice to chronic constriction injury (CCI) by loosely ligating the sciatic nerves, and Hargreaves test or von Frey test was used to assess thermal hyperalgesia or mechanical allodynia, respectively. Chronic fisetin treatment (5, 15 or 45 mg/kg, p.o.) ameliorated thermal hyperalgesia (but not mechanical allodynia) in CCI mice, concomitant with escalated levels of spinal monoamines and suppressed monoamine oxidase (MAO)-A activity. The antihyperalgesic action of fisetin was abolished by chemical depletion of spinal serotonin (5-HT) but potentiated by co-treatment with 5-HTP, a precursor of 5-HT. Moreover, intraperitoneal (i.p.) or intrathecal (i.t.) co-treatment with 5-HT7 receptor antagonist SB-258719 completely abrogated fisetin's antihyperalgesia. These findings confirm that chronic fisetin treatment exerts antinociceptive effect on thermal hyperalgesia in neuropathic mice, with spinal serotonergic system (coupled with 5-HT7) being critically involved. Of special benefit, fisetin attenuated co-morbidly behavioral symptoms of depression and anxiety (evaluated in forced swim test, novelty suppressed feeding test and light-dark test) evoked by neuropathic pain.
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Affiliation(s)
- Xin Zhao
- Department of Pharmacology, Ningbo University, School of Medical Science, Ningbo, Zhejiang province 315211, China
| | - Chuang Wang
- Department of Pharmacology, Ningbo University, School of Medical Science, Ningbo, Zhejiang province 315211, China
| | - Wu-Geng Cui
- Zhejiang Province Key Laboratory of Pathophysiology, Ningbo University, School of Medical Science, Ningbo, Zhejiang province 315211, China
| | - Qing Ma
- Department of Pharmacology, Ningbo University, School of Medical Science, Ningbo, Zhejiang province 315211, China
| | - Wen-Hua Zhou
- Zhejiang Province Key Laboratory of Pathophysiology, Ningbo University, School of Medical Science, Ningbo, Zhejiang province 315211, China
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Zhao X, Yu C, Wang C, Zhang JF, Zhou WH, Cui WG, Ye F, Xu Y. Chronic resveratrol treatment exerts antihyperalgesic effect and corrects co-morbid depressive like behaviors in mice with mononeuropathy: involvement of serotonergic system. Neuropharmacology 2014; 85:131-41. [PMID: 24835468 DOI: 10.1016/j.neuropharm.2014.04.021] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2014] [Revised: 04/24/2014] [Accepted: 04/29/2014] [Indexed: 12/16/2022]
Abstract
Patients suffering from chronic neuropathic pain are at high risk of co-morbid depression, which burdens healthcare. This work aimed to investigate the effects of resveratrol, a phenolic monomer enriched in red wine and grapes, on pain-related and depressive-like behaviors in mice with mononeuropathy, and explored the mechanism(s). Mice received chronic constriction injury (CCI) of sciatic nerves, and sequentially developed pain-related and depressive-like behaviors, as evidenced by sensory hypersensitivity (thermal hyperalgesia in Hargreaves test and mechanical allodynia in von Frey test) and behavioral despair (prolonged immobility time in forced swim test). Chronic treatment of neuropathic mice with resveratrol (30 mg/kg, p.o., twice per day for three weeks) normalized their thermal hyperalgesia (but not mechanical allodynia) and depressive-like behaviors, and these actions were abolished by chemical depletion of central serotonin (5-HT) but potentiated by co-treatment with 5-HTP, a precursor of 5-HT. The anti-hyperalgesia and anti-depression exerted by resveratrol may be pharmacologically segregated, since intrathecal (i.t.) and intracerebroventricular (i.c.v.) injection of methysergide, a non-selective 5-HT receptor antagonist, separately abrogated the two actions. Furthermore, the antihyperalgesic action of resveratrol was preferentially counteracted by co-administration of the 5-HT7 receptor antagonist SB-258719, while the anti-depression was abrogated by 5-HT1A receptor antagonist WAY-100635. These results confirm that chronic resveratrol administration exerts curative-like effects on thermal hyperalgesia and co-morbid depressive-like behaviors in mice with mononeuropathy. Spinal and supraspinal serotonergic systems (coupled with 5-HT7 and 5-HT1A receptors, respectively) are differentially responsible for the antihyperalgesic and antidepressant-like properties of resveratrol.
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Affiliation(s)
- Xin Zhao
- Department of Pharmacology, Ningbo University, School of Medical Science, Ningbo, Zhejiang Province 315211, China.
| | - Chao Yu
- Department of Laboratory Medicine, The Second Hospital, Shandong University, Jinan, Shandong Province 250033, China
| | - Chuang Wang
- Department of Pharmacology, Ningbo University, School of Medical Science, Ningbo, Zhejiang Province 315211, China
| | - Jun-Fang Zhang
- Department of Pharmacology, Ningbo University, School of Medical Science, Ningbo, Zhejiang Province 315211, China
| | - Wen-Hua Zhou
- Department of Pharmacology, Ningbo University, School of Medical Science, Ningbo, Zhejiang Province 315211, China
| | - Wu-Geng Cui
- Department of Pharmacology, Ningbo University, School of Medical Science, Ningbo, Zhejiang Province 315211, China
| | - Feng Ye
- Key Laboratory of Molecular Biology for Infectious Diseases, Ministry of Education of China, The Second Affiliated Hospital, Chongqing Medical University, Chongqing 400010, China
| | - Ying Xu
- Department of Pharmacology, Ningbo University, School of Medical Science, Ningbo, Zhejiang Province 315211, China; Department of Behavioral Medicine and Psychiatry, West Virginia University Health Sciences Center, Morgantown 26506-9128, USA.
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Zhu YQ, Cui WG, Cheng YS, Chang J, Chen NW, Yan L, Li MH. Biodegradable rapamycin-eluting nano-fiber membrane-covered metal stent placement to reduce fibroblast proliferation in experimental stricture in a canine model. Endoscopy 2013; 45:458-68. [PMID: 23580413 DOI: 10.1055/s-0032-1326399] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
BACKGROUND AND STUDY AIMS The aim of the current study was to assess whether placement of the biodegradable rapamycin-eluting nano-fiber membrane-covered metal stent is followed by less fibroblast proliferation and tissue hyperplasia compared with bare stents in experimental stricture in a dog model. METHODS A total of 80 dog models of stricture were randomly divided into a control group (n = 20, no stent insertion), a bare stent group (BSG, n = 20, 1-week retention), and two drug-eluting stent sub-groups (DESG-1w, n = 20, 1-week retention; DESG-4w, n = 20, 4-week retention). Lower esophageal sphincter (LES) pressure, 5-minute barium height (5-mBH), and cardia diameter were assessed before, immediately after the procedure, and regularly thereafter for 6 months. Five dogs in each group were euthanized for histological examination at each follow-up assessment. RESULTS Stent insertion was well tolerated, with similar migration rates (0 % in BSG vs. 7.5 % in DESGs; P = 0.5441). At 6 months, LES pressure and 5-mBH improved in DESG-1w (26.70 ± 5.02 mmHg and 6.50 ± 2.98 cm) and DESG-4w (20.16 ± 5.50 mmHg and 1.54 ± 0.98 cm) compared with BSG (39.94 ± 5.22 mmHg and 11.1 ± 5.46 cm) (P < 0.05), with DESG-4w being more stable than DESG-1w (P < 0.05). The cardia maintained greater patency in the DESGs (7.10 ± 3.09 mm in DESG-1w; 9.16 ± 3.77 mm in DESG-4w) than in the BSG (1.86 ± 2.45 mm; P < 0.05). Reduced peak inflammatory reactions and scarring occurred in DESGs compared with the BSG (P < 0.05), with a better outcome in DESG-4w than in DESG-1w (P < 0.05). CONCLUSIONS In this experimental stricture model, rapamycin-eluting stents were more effective than bare stents for the reduction of fibroblast proliferation and tissue hyperplasia after stent placement. Furthermore, 4-week retention of the drug-eluting stent led to a better outcome than 1-week retention.
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Affiliation(s)
- Y Q Zhu
- Department of Radiology, The Sixth Affiliated People's Hospital, Medical school of Shanghai Jiao Tong University, Shanghai, China
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Li XM, Li F, Cui WG, Gong JM, Liu XJ, He W, Jiang GC. [Preliminary assessment of fine needle aspiration biopsy in the diagnosis of parotid tumors]. Shanghai Kou Qiang Yi Xue 2001; 10:374-5. [PMID: 14993979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Subscribe] [Scholar Register] [Indexed: 04/29/2023]
Affiliation(s)
- X M Li
- Department of Oral and Maxillofacial Surgery, First Affiliated Hospital, Medical College, Zhengzhou University, Zhengzhou 450052, Henan province, China
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