1
|
do Carmo Pinheiro R, Souza Marques L, Ten Kathen Jung J, Nogueira CW, Zeni G. Recent Progress in Synthetic and Biological Application of Diorganyl Diselenides. CHEM REC 2024; 24:e202400044. [PMID: 38976862 DOI: 10.1002/tcr.202400044] [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: 03/01/2024] [Revised: 05/08/2024] [Indexed: 07/10/2024]
Abstract
Diorganyl diselenides have emerged as privileged structures because they are easy to prepare, have distinct reactivity, and have broad biological activity. They have also been used in the synthesis of natural products as an electrophile in the organoselenylation of aromatic systems and peptides, reductions of alkenes, and nucleophilic substitution. This review summarizes the advancements in methods for the transformations promoted by diorganyl diselenides in the main functions of organic chemistry. Parallel, it will also describe the main findings on pharmacology and toxicology of diorganyl diselenides, emphasizing anti-inflammatory, hypoglycemic, chemotherapeutic, and antimicrobial activities. Therefore, an examination detailing the reactivity and biological characteristics of diorganyl diselenides provides valuable insights for academic researchers and industrial professionals.
Collapse
Affiliation(s)
- Roberto do Carmo Pinheiro
- Laboratório de Síntese, Reatividade, Avaliação Farmacológica e Toxicológica de Organocalcogênios CCNE, UFSM, Santa Maria, Rio Grande do Sul, Brazil, 97105-900
| | - Luiza Souza Marques
- Laboratório de Síntese, Reatividade, Avaliação Farmacológica e Toxicológica de Organocalcogênios CCNE, UFSM, Santa Maria, Rio Grande do Sul, Brazil, 97105-900
| | - Juliano Ten Kathen Jung
- Laboratório de Síntese, Reatividade, Avaliação Farmacológica e Toxicológica de Organocalcogênios CCNE, UFSM, Santa Maria, Rio Grande do Sul, Brazil, 97105-900
| | - Cristina Wayne Nogueira
- Laboratório de Síntese, Reatividade, Avaliação Farmacológica e Toxicológica de Organocalcogênios CCNE, UFSM, Santa Maria, Rio Grande do Sul, Brazil, 97105-900
| | - Gilson Zeni
- Laboratório de Síntese, Reatividade, Avaliação Farmacológica e Toxicológica de Organocalcogênios CCNE, UFSM, Santa Maria, Rio Grande do Sul, Brazil, 97105-900
| |
Collapse
|
2
|
Qiao L, Li Z, Shi P. Disease-modifying potential of diphenyl diselenide in an experimental osteoarthritis model. Biochem Biophys Res Commun 2024; 710:149885. [PMID: 38588612 DOI: 10.1016/j.bbrc.2024.149885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Revised: 04/01/2024] [Accepted: 04/02/2024] [Indexed: 04/10/2024]
Abstract
Oxidative stress is a key factor in the disruption of cartilage homeostasis during the development of osteoarthritis (OA). Organic selenium (Se)-containing compounds such as diselenides have excellent antioxidant activity and may prevent related diseases. We aimed to examine the benefits of the synthetic small molecule diphenyl diselenide (DPDSe) in OA models in vitro and in vivo. Our findings showed that DPDSe could maintain extracellular matrix (ECM) homeostasis and inhibit reactive oxygen species (ROS) production in IL-1β-treated chondrocytes. In a destabilization of the medial meniscus (DMM)-induced OA mouse model, intra-articular administration of DPDSe alleviated joint degeneration, as evidenced by a decrease in the OARSI score and the restoration of collagen II (COL2) and MMP-13 expression in cartilage tissues. We confirmed that DDS activated the nuclear factor erythroid 2-related factor 2 (Nrf2) pathway in IL-1β-treated chondrocytes, and its chondroprotective effects were significantly counteracted when Nrf2 signaling was blocked by the inhibitor ML385 or by siRNA-mediated Nrf2 knockdown. The relatively strong performance of DPDSe makes it an ideal candidate for further trials as a disease-modifying OA drug (DMOAD).
Collapse
Affiliation(s)
- Li Qiao
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University, Hangzhou, 310016, PR China; College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, PR China; Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, 310016, PR China
| | - Zhiyao Li
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, PR China
| | - Peihua Shi
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University, Hangzhou, 310016, PR China; Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, 310016, PR China.
| |
Collapse
|
3
|
Türedi S, Çelik H, Dağlı ŞN, Taşkın S, Şeker U, Deniz M. An Examination of the Effects of Propolis and Quercetin in a Rat Model of Streptozotocin-Induced Diabetic Peripheral Neuropathy. Curr Issues Mol Biol 2024; 46:1955-1974. [PMID: 38534744 DOI: 10.3390/cimb46030128] [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: 01/30/2024] [Revised: 02/27/2024] [Accepted: 02/28/2024] [Indexed: 03/28/2024] Open
Abstract
The purpose of this study was to reveal the combined effects of propolis (P) and quercetin (Q) against diabetic peripheral neuropathy developing with streptozotocin-induced diabetes in rats. Sixty-four adult male rats were divided into eight equal groups: control, P (100 mg/kg/day), Q (100 mg/kg/day), P + Q (100 mg/day for both), diabetes mellitus (DM) (single-dose 60 mg/kg streptozotocin), DM + P, DM + Q, and DM + P + Q. The rats were sacrificed, and blood and sciatic nerve tissues were collected. Blood glucose and malondialdehyde (MDA) levels increased, while IL-6 and total antioxidant status decreased in the DM group (p = 0.016 and p = 0.047, respectively). Ultrastructural findings showed degeneration of the axon and myelin sheath. The apoptotic index (AI %), TNF-α, and IL-1β immunopositivity increased significantly in the DM group (p < 0.001). Morphological structures approaching those of the controls were observed in the DM + P, DM + Q, and DM + P + Q groups. Morphometric measurements increased markedly in all treatment groups (p < 0.001), while blood glucose and MDA levels, AI (%), TNF-α, and IL-1β immunopositivity decreased. In conclusion, the combined effects of propolis and quercetin in diabetic neuropathy may provide optimal morphological protection with neuroprotective effects by reducing hyperglycemia, and these may represent a key alternative supplement in regenerative medicine.
Collapse
Affiliation(s)
- Sibel Türedi
- Department of Histology and Embryology, Faculty of Medicine, Harran University, Şanlıurfa 63050, Turkey
| | - Hakim Çelik
- Department of Physiology, Faculty of Medicine, Harran University, Şanlıurfa 63050, Turkey
| | - Şeyda Nur Dağlı
- Department of Physiology, Faculty of Medicine, İstinye University, İstanbul 34000, Turkey
| | - Seyhan Taşkın
- Department of Physiology, Faculty of Medicine, Harran University, Şanlıurfa 63050, Turkey
| | - Uğur Şeker
- Department of Histology and Embryology, Faculty of Medicine, Mardin Artuklu University, Mardin 47100, Turkey
| | - Mustafa Deniz
- Department of Anatomy, Faculty of Medicine, Harran University, Şanlıurfa 63050, Turkey
| |
Collapse
|
4
|
Anghinoni JM, Birmann PT, da Rocha MJ, Gomes CS, Davies MJ, Brüning CA, Savegnago L, Lenardão EJ. Recent Advances in the Synthesis and Antioxidant Activity of Low Molecular Mass Organoselenium Molecules. Molecules 2023; 28:7349. [PMID: 37959771 PMCID: PMC10649092 DOI: 10.3390/molecules28217349] [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: 09/19/2023] [Revised: 10/17/2023] [Accepted: 10/26/2023] [Indexed: 11/15/2023] Open
Abstract
Selenium is an essential trace element in living organisms, and is present in selenoenzymes with antioxidant activity, like glutathione peroxidase (GPx) and thioredoxin reductase (TrxR). The search for small selenium-containing molecules that mimic selenoenzymes is a strong field of research in organic and medicinal chemistry. In this review, we review the synthesis and bioassays of new and known organoselenium compounds with antioxidant activity, covering the last five years. A detailed description of the synthetic procedures and the performed in vitro and in vivo bioassays is presented, highlighting the most active compounds in each series.
Collapse
Affiliation(s)
- João M. Anghinoni
- Laboratory of Clean Organic Synthesis (LASOL), Center of Chemical, Pharmaceutical and Food Sciences (CCQFA), Federal University of Pelotas (UFPel), P.O. Box 354, Pelotas 96010-900, RS, Brazil; (J.M.A.); (C.S.G.)
| | - Paloma T. Birmann
- Neurobiotechnology Research Group (GPN), Federal University of Pelotas (UFPel), P.O. Box 354, Pelotas 96010-900, RS, Brazil;
| | - Marcia J. da Rocha
- Laboratory of Biochemistry and Molecular Neuropharmacology (LABIONEM), Center of Chemical, Pharmaceutical and Food Sciences (CCQFA), Federal University of Pelotas (UFPel), P.O. Box 354, Pelotas 96010-900, RS, Brazil;
| | - Caroline S. Gomes
- Laboratory of Clean Organic Synthesis (LASOL), Center of Chemical, Pharmaceutical and Food Sciences (CCQFA), Federal University of Pelotas (UFPel), P.O. Box 354, Pelotas 96010-900, RS, Brazil; (J.M.A.); (C.S.G.)
| | - Michael J. Davies
- Department of Biomedical Sciences, Panum Institute, University of Copenhagen, Building 12.6, Blegdamsvej 3, 2200 Copenhagen, Denmark;
| | - César A. Brüning
- Laboratory of Biochemistry and Molecular Neuropharmacology (LABIONEM), Center of Chemical, Pharmaceutical and Food Sciences (CCQFA), Federal University of Pelotas (UFPel), P.O. Box 354, Pelotas 96010-900, RS, Brazil;
| | - Lucielli Savegnago
- Neurobiotechnology Research Group (GPN), Federal University of Pelotas (UFPel), P.O. Box 354, Pelotas 96010-900, RS, Brazil;
| | - Eder J. Lenardão
- Laboratory of Clean Organic Synthesis (LASOL), Center of Chemical, Pharmaceutical and Food Sciences (CCQFA), Federal University of Pelotas (UFPel), P.O. Box 354, Pelotas 96010-900, RS, Brazil; (J.M.A.); (C.S.G.)
| |
Collapse
|
5
|
Yin Y, Wang L, Zhao L, Lin L, Shen X. Effect of 10.6 μm laser moxibustion on inflammation in diabetic peripheral neuropathy rats. Front Endocrinol (Lausanne) 2023; 14:1203677. [PMID: 37593350 PMCID: PMC10427917 DOI: 10.3389/fendo.2023.1203677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 07/14/2023] [Indexed: 08/19/2023] Open
Abstract
Diabetic peripheral neuropathy (DPN) is the main cause of disability in diabetes patients but the efficacy of available drugs is poor. Moxibustion is an adjunctive treatment for DPN that can reduce symptoms. The peak value of the far infrared wavelength of 10.6 μm laser moxibustion is close to the infrared radiation spectrum of traditional moxibustion. Its effect is similar to that of moxibustion and does not cause pain, infection or produce irritating smoke. Twenty-four male SD rats were divided into control (Con), DPN, laser moxibustion (LM), and pyrrolidine dithiocarbamate (PDTC) groups (n=6/group). The DPN, LM and PDTC group rats were intraperitoneally injected with 1% streptozotocin (STZ) to induce a model of DPN. LM group rats were irradiated with a laser at bilateral ST36 acupoints for 15 min, once every other day, for 14 days. PDTC group rats were intraperitoneally injected with PDTC once a day. Body weight, blood glucose, and paw withdrawal mechanical threshold (PWMT) were measured and laser speckle imaging (LSI) performed before and after modeling and at 1 and 2 weeks after intervention. Two weeks after intervention, changes in serum interleukin 1β (IL1β), interleukin 6 (IL6), tumor necrosis factor α (TNFα) and nerve growth factor (NGF) were analyzed, and the abundance of NF-κB and IκB-α proteins and levels of NF-κB and IκB-α mRNAs in the sciatic nerve were observed. The results showed that 10.6 μm laser moxibustion can relieve pain, improve microcirculation, and alleviate inflammation in DPN rats, possibly via the NF-κB inflammatory pathway.
Collapse
Affiliation(s)
- Yue Yin
- School of Acupuncture-Moxibustion and Tuina, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Lina Wang
- School of Acupuncture-Moxibustion and Tuina, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Ling Zhao
- School of Acupuncture-Moxibustion and Tuina, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Lin Lin
- School of Nursing, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xueyong Shen
- School of Acupuncture-Moxibustion and Tuina, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Laboratory of Systemic Physiology for Acupuncture and Meridian, Shanghai Research Center of Acupuncture and Meridian, Shanghai, China
| |
Collapse
|
6
|
Zhang H, Vladmir C, Zhang Z, Zhou W, Xu J, Zhao W, Chen Y, He M, Zhang Y, Wang W, Zhang H. Serum Uric Acid Levels Are Related to Diabetic Peripheral Neuropathy, Especially for Motor Conduction Velocity of Tibial Nerve in Type 2 Diabetes Mellitus Patients. J Diabetes Res 2023; 2023:3060013. [PMID: 37250373 PMCID: PMC10212674 DOI: 10.1155/2023/3060013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 04/13/2023] [Accepted: 05/08/2023] [Indexed: 05/31/2023] Open
Abstract
Background Oxidative stress is one of the most critical factors that contribute to the pathogenesis of neuronal damage, including diabetic peripheral neuropathy (DPN). Uric acid is a kind of natural antioxidant that plays a major role in the antioxidant capacity against oxidative stress. Here, we aim to determine the role of serum uric acid (SUA) in the DPN of patients with type 2 diabetes mellitus (T2DM). Patients and Methods. 106 patients with T2DM were recruited and divided into the DPN group and the control group. Clinical parameters, especially for motor nerve fiber conduction velocity and sensory nerve fiber conduction velocity, were collected. Differences between T2DM patients with and without DPN were compared. Correlation and regression analyses were performed to explore the association between SUA and DPN. Results Compare with 57 patients with DPN, 49 patients without DPN showed lower HbA1c and elevated SUA levels. Additionally, SUA levels are negatively associated with the motor conduction velocity of tibial nerve with or without adjusting for HbA1c. Besides, it is suggested that decreased SUA levels may influence the motor conduction speed of the tibial nerve by multiple linear regression analysis. Moreover, we demonstrated that decreased SUA level is a risk factor for DPN in patients with T2DM by binary logistic regression analysis. Conclusion Lower SUA is a risk factor for DPN in patients with T2DM. Additionally, decreased SUA may influence the damage of peripheral neuropathy, especially for motor conduction velocity of the tibial nerve.
Collapse
Affiliation(s)
- Hui Zhang
- Henan Key Laboratory of Rare Diseases, Endocrinology and Metabolism Center, The First Affiliated Hospital and College of Clinical Medicine of Henan University of Science and Technology, Luoyang, China
| | - Carvalho Vladmir
- Department of Endocrinology, Affiliated Zhongda Hospital of Southeast University, Nanjing, China
| | - Zhen Zhang
- Department of Endocrinology, Division of Life Sciences and Medicine, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, China
| | - Wan Zhou
- Department of Endocrinology, Division of Life Sciences and Medicine, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, China
| | - Jiang Xu
- Department of Endocrinology, Division of Life Sciences and Medicine, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, China
| | - Wanwan Zhao
- Department of Nephrology, Division of Life Sciences and Medicine, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, China
- Graduate School, Bengbu Medical University, Bengbu, China
| | - Yang Chen
- Department of Endocrinology, Division of Life Sciences and Medicine, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, China
- Graduate School, Anhui Medical University, Hefei, China
| | - Mengting He
- Department of Endocrinology, Division of Life Sciences and Medicine, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, China
| | - Ya Zhang
- Department of Endocrinology, Division of Life Sciences and Medicine, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, China
| | - Wei Wang
- Department of Endocrinology, Division of Life Sciences and Medicine, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, China
| | - Haoqiang Zhang
- Department of Endocrinology, Division of Life Sciences and Medicine, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, China
| |
Collapse
|
7
|
Zhang T, Zhang D, Zhang Z, Tian J, An J, Zhang W, Ben Y. Alpha-lipoic acid activates AMPK to protect against oxidative stress and apoptosis in rats with diabetic peripheral neuropathy. Hormones (Athens) 2023; 22:95-105. [PMID: 36289188 DOI: 10.1007/s42000-022-00413-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Accepted: 10/18/2022] [Indexed: 11/04/2022]
Abstract
PURPOSE To investigate the AMPK pathway-mediated effect of alpha-lipoic acid (ALA) on the dorsal root ganglia (DRGs) of rats with diabetic peripheral neuropathy (DPN) and to attempt to elucidate the underlying mechanism. METHODS Sprague-Dawley rats (n = 15) were randomly divided into three groups. The control group was fed a standard diet, and the other groups were fed a high-carbohydrate/high-fat diet. Diabetes was established by a single streptozotocin (STZ) (30 mg/kg) injection, and control rats were injected with an equal volume of citrate buffer. ALA (60 mg/kg/day) was administered for 12 weeks. The nerve conduction velocity (NCV) of the sciatic nerve was measured. Glutathione (GSH) and malondialdehyde (MDA) concentrations in serum were measured with the thiobarbituric acid method and biochemistry. Pathological changes in the rat DRGs were observed. AMPK, phospho-AMPK (p-AMPK), nuclear factor erythroid-2-related factor 2 (Nrf2), phospho-nuclear factor erythroid-2-related factor 2 (p-Nrf2), heme oxygenase 1 (HO-1), quinone oxidoreductase 1 (NQO1), Forkhead box O3 (FoxO3a), phospho-Forkhead box O3 (p-FoxO3a), and Bcl-2 interacting mediator of cell death (Bim) expression levels were assessed by immunohistochemistry and western blotting. RESULTS ALA improved the motor NCV (MNCV) and sensory NCV (SNCV) of rats with DPN and reduced their mechanical pain threshold. ALA increased serum GSH concentrations and decreased serum MDA concentrations. Additionally, AMPK was activated by ALA. Nrf2, p-Nrf2, HO-1, and NQO1 expression was upregulated, while FoxO3a, p-FoxO3a, and Bim expression was downregulated. ALA reduced oxidative stress and apoptosis in DRG. CONCLUSION ALA alleviates DPN and improves peripheral nerve function. ALA reduces oxidative stress by activating Nrf2 through AMPK and inhibits FoxO3a and Bim thereby reducing neuronal apoptosis.
Collapse
Affiliation(s)
- Tianya Zhang
- Hebei University of Chinese Medicine, Shijiazhuang, Hebei, People's Republic of China
| | - Dong Zhang
- Hebei University of Chinese Medicine, Shijiazhuang, Hebei, People's Republic of China
| | - Zhihong Zhang
- Hebei University of Chinese Medicine, Shijiazhuang, Hebei, People's Republic of China
- Hebei Key Laboratory of Integrative Medicine on Liver-Kidney Patterns, Hebei University of Chinese Medicine, Shijiazhuang, Hebei, People's Republic of China
| | - Jiaxin Tian
- Hebei University of Chinese Medicine, Shijiazhuang, Hebei, People's Republic of China
| | - Jingwen An
- Hebei University of Chinese Medicine, Shijiazhuang, Hebei, People's Republic of China
| | - Wang Zhang
- Hebei University of Chinese Medicine, Shijiazhuang, Hebei, People's Republic of China
| | - Ying Ben
- Hebei University of Chinese Medicine, Shijiazhuang, Hebei, People's Republic of China.
- Hebei Key Laboratory of Integrative Medicine on Liver-Kidney Patterns, Hebei University of Chinese Medicine, Shijiazhuang, Hebei, People's Republic of China.
| |
Collapse
|
8
|
Fu Y, Ji W, Liu Q, Zhang L, Li C, Huan Y, Lei L, Gao X, Chen L, Feng C, Lei L, Zhai J, Li P, Cao H, Liu S, Shen Z. Voglibose Regulates the Secretion of GLP-1 Accompanied by Amelioration of Ileal Inflammatory Damage and Endoplasmic Reticulum Stress in Diabetic KKAy Mice. Int J Mol Sci 2022; 23:ijms232415938. [PMID: 36555580 PMCID: PMC9786790 DOI: 10.3390/ijms232415938] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 12/04/2022] [Accepted: 12/10/2022] [Indexed: 12/23/2022] Open
Abstract
Voglibose is an α-glycosidase inhibitor that improves postprandial hyperglycemia and increases glucagon-like peptide-1 (GLP-1) secretion in patients with type 2 diabetes. Recently, there has been increasing interest in the anti-inflammatory effects of voglibose on the intestine, but the underlying mechanism is not clear. This study evaluated the effects and mechanisms of voglibose on glycemic control and intestinal inflammation. Type 2 diabetic KKAy mice were treated with voglibose (1 mg/kg) by oral gavage once daily. After 8 weeks, glucose metabolism, levels of short-chain fatty acids (SCFAs), systematic inflammatory factors, intestinal integrity and inflammation were evaluated using hematoxylin and eosin staining, immunohistochemistry, immunofluorescence and Western blot analysis. Voglibose ameliorated glucose metabolism by enhancing basal- and glucose-dependent GLP-1 secretion. Several beneficial SCFAs, such as acetic acid and propionic acid, were increased by voglibose in the fecal sample. Additionally, voglibose notably decreased the proportion of pro-inflammatory macrophages and the expression of nuclear factor kappa B but increased the expression of tight junction proteins in the ileum, thus markedly improving intestinal inflammatory damage and reducing the systematic inflammatory factors. Ileal genomics and protein validation suggested that voglibose attenuated inositol-requiring protein 1α-X-box binding protein 1-mediated endoplasmic reticulum stress (ERS). Together, these results showed that voglibose enhanced the secretion of GLP-1, which contributed to the glycemic control in KKAy mice at least in part by regulating intestinal inflammation and the expression of ERS factors.
Collapse
Affiliation(s)
- Yaxin Fu
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Diabetes Research Center of Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Wenming Ji
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Diabetes Research Center of Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Quan Liu
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Diabetes Research Center of Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Lin Zhang
- Department of Endocrinology, Beijing Tongren Hospital, Capital Medical University, Beijing 100730, China
- Department of Medical Records, Beijing Tongren Hospital, Capital Medical University, Beijing 100730, China
- Beijing Diabetes Institute, Beijing 100730, China
| | - Caina Li
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Diabetes Research Center of Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Yi Huan
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Diabetes Research Center of Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Lei Lei
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Diabetes Research Center of Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Xuefeng Gao
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Diabetes Research Center of Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Leilei Chen
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Diabetes Research Center of Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Cunyu Feng
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Diabetes Research Center of Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Liran Lei
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Diabetes Research Center of Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Jiayu Zhai
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Diabetes Research Center of Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Pingping Li
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Diabetes Research Center of Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Hui Cao
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Diabetes Research Center of Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Correspondence: (H.C.); (S.L.)
| | - Shuainan Liu
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Diabetes Research Center of Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Correspondence: (H.C.); (S.L.)
| | - Zhufang Shen
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| |
Collapse
|
9
|
SIRT1-Enriched Exosomes Derived from Bone Marrow Mesenchymal Stromal Cells Alleviate Peripheral Neuropathy via Conserving Mitochondrial Function. J Mol Neurosci 2022; 72:2507-2516. [PMID: 36534294 DOI: 10.1007/s12031-022-02091-x] [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: 09/09/2022] [Accepted: 12/06/2022] [Indexed: 12/23/2022]
Abstract
Diabetic peripheral neuropathy (DPN) is a highly prevalent diabetic complication characterized at the molecular level by mitochondrial dysfunction and deleterious oxidative damage. No effective treatments for DPN are currently available. The present study was developed to examine the impact of exosomes derived from bone marrow mesenchymal stromal cells (BMSCs) overexpressing sirtuin 1 (SIRT1) on DPN through antioxidant activity and the preservation of mitochondrial homeostasis. A DPN model was established using 20-week-old diabetic model mice (db/db). Exosomes were prepared from control BMSCs (exo-control) and BMSCs that had been transduced with a SIRT1 lentivirus (exo-SIRT1). Sensory and motor nerve conduction velocity values were measured to assess neurological function, and mechanical and thermal sensitivity were analyzed in these animals. Exo-SIRT1 preparations exhibited a high loading capacity and readily accumulated within peripheral nerves following intravenous administration, whereupon they were able to promote improved neurological recovery relative to exo-control treatment. DPN mice exhibited significantly improved nerve conduction velocity following exo-SIRT1 treatment. Relative to exo-control-treated mice, those that underwent exo-SIRT1 treatment exhibited significantly elevated TOMM20 and Nrf2/HO-1 expression, reduced MDA levels, increased GSH and SOD activity, and increased MMP. Together, these results revealed that both exo-control and exo-SIRT1 administration was sufficient to reduce the morphological and behavioral changes observed in DPN model mice, with exo-SIRT1 treatment exhibiting superior therapeutic efficacy. These data thus provide a foundation for future efforts to explore other combinations of gene therapy and exosome treatment in an effort to alleviate DPN.
Collapse
|
10
|
Hedysarum Polysaccharide Alleviates Oxidative Stress to Protect Against Diabetic Peripheral Neuropathy via Modulation of the Keap1/Nrf2 signaling pathway. J Chem Neuroanat 2022; 126:102182. [DOI: 10.1016/j.jchemneu.2022.102182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Revised: 10/22/2022] [Accepted: 10/25/2022] [Indexed: 11/06/2022]
|
11
|
Liu YP, Tian MY, Yang YD, Li H, Zhao TT, Zhu J, Mou FF, Cui GH, Guo HD, Shao SJ. Schwann cells-derived exosomal miR-21 participates in high glucose regulation of neurite outgrowth. iScience 2022; 25:105141. [PMID: 36204278 PMCID: PMC9529988 DOI: 10.1016/j.isci.2022.105141] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 08/06/2022] [Accepted: 09/09/2022] [Indexed: 11/29/2022] Open
Abstract
As a common complication of diabetes, the pathogenesis of diabetic peripheral neuropathy (DPN) is closely related to high glucose but has not been clarified. Exosomes can mediate crosstalk between Schwann cells (SC) and neurons in the peripheral nerve. Herein, we found that miR-21 in serum exosomes from DPN rats was decreased. SC proliferation was inhibited, cell apoptosis was increased, and the expression of miR-21 in cells and exosomes was downregulated when cultured in high glucose. Increasing miR-21 expression reversed these changes, while knockdown of miR-21 led to the opposite results. When co-cultured with exosomes derived from SC exposed to high glucose, neurite outgrowth was inhibited. On the contrary, neurite outgrowth was accelerated when incubated with exosomes rich in miR-21. We further demonstrated that the SC-derived exosomal miR-21 participates in neurite outgrowth probably through the AKT signaling pathway. Thus, SC-derived exosomal miR-21 contributes to high glucose regulation of neurite outgrowth. The miR-21 was decreased in serum exosomes and sciatic nerve of DPN rats High glucose inhibited SC viability and downregulated the expression of miR-21 Exosomes derived from SC cultured in high glucose inhibited the neurite outgrowth SC-derived exosomes rich in miR-21 accelerated the neurite outgrowth of neuron
Collapse
Affiliation(s)
- Yu-pu Liu
- Department of Anatomy, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, PR China
| | - Ming-yue Tian
- Department of Anatomy, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Yi-duo Yang
- Department of Anatomy, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Han Li
- Department of Anatomy, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Tian-tian Zhao
- Department of Anatomy, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Jing Zhu
- Department of Anatomy, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Fang-fang Mou
- Department of Anatomy, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Guo-hong Cui
- Department of Neurology, Shanghai No. 9 People’s Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200011, China
- Corresponding author
| | - Hai-dong Guo
- Department of Anatomy, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
- Academy of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
- Corresponding author
| | - Shui-jin Shao
- Department of Anatomy, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
- Corresponding author
| |
Collapse
|
12
|
Jafari D, Eslami SS, Malih S, Tarighi P. Protective effect of selenium on vincristine-induced peripheral neuropathy in PC12 cell line. Cytotechnology 2022; 74:539-547. [PMID: 36238267 PMCID: PMC9525541 DOI: 10.1007/s10616-022-00543-1] [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: 09/06/2020] [Accepted: 07/25/2022] [Indexed: 11/28/2022] Open
Abstract
Vincristine-induced peripheral neuropathy (VIPN) is the main side effect and major reason for neuropathic pain in cancer survivors treated with vincristine. Vincristine, a chemotherapeutic antimitotic drug, is used frequently in combination chemotherapy. The primary purpose of the current study was to assess the protective effect of sodium selenite (SSe) on VIPN in vitro. Cytotoxicity effects of vincristine were evaluated using PC12 cells as a neuronal model. The cell culture studies were conducted in three groups based on the various treatments, including vincristine, SSe, and co-exposure to both compositions. Cell viability and cell cycle analyses were performed using MTT assay and flow cytometry, respectively. The level of mRNA expression of Bax and Bcl-2 was determined using qRT-PCR. According to the results, vincristine decreased the survival rate of PC12 cells. After 24 and 48 h exposure to different concentrations of vincristine (0.1-20 μΜ), the survival rate of PC12 cells decreased as compared to the control group. The results showed that treatment with 5 μΜ of vincristine resulted in apoptosis of PC12 cells. Interestingly,co-incubation of these cells with SSe significantly reduced the cell damage induced by vincristine. Furthermore, vincristine induced the inhibition of the G2 phase in PC 12 cells, and using SSe in combination with vincristine eliminated the inhibition of the cell cycle in the G2 phase. Briefly, our in vitro preliminary study showed that SSe might protect PC12 cells from vincristine-induced peripheral neuropathy during chemotherapy.
Collapse
Affiliation(s)
- Davod Jafari
- Student Research Committee, Faculty of Allied Medicine, Iran University of Medical Sciences, Tehran, Iran
- Department of Medical Biotechnology, Faculty of Allied Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Seyed Sadegh Eslami
- Student Research Committee, Faculty of Allied Medicine, Iran University of Medical Sciences, Tehran, Iran
- Department of Medical Biotechnology, Faculty of Allied Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Sara Malih
- Department of Medical Biotechnology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Parastoo Tarighi
- Department of Medical Biotechnology, Faculty of Allied Medicine, Iran University of Medical Sciences, Tehran, Iran
| |
Collapse
|
13
|
Diphenyl Diselenide Alleviates Tert-Butyl Hydrogen Peroxide-Induced Oxidative Stress and Lipopolysaccharide-Induced Inflammation in Rat Glomerular Mesangial Cells. Int J Mol Sci 2022; 23:ijms231911215. [PMID: 36232514 PMCID: PMC9570341 DOI: 10.3390/ijms231911215] [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: 08/26/2022] [Revised: 09/16/2022] [Accepted: 09/19/2022] [Indexed: 11/16/2022] Open
Abstract
Hyperglycemia, oxidative stress, and inflammation play key roles in the onset and development of diabetic complications such as diabetic nephropathy (DN). Diphenyl diselenide (DPDS) is a stable and simple organic selenium compound with anti-hyperglycemic, anti-inflammatory, and anti-oxidative activities. Nevertheless, in vitro, the role and molecular mechanism of DPDS on DN remains unknown. Therefore, we investigated the effects of DPDS on tert-butyl hydrogen peroxide (t-BHP)-induced oxidative stress and lipopolysaccharide (LPS)-induced inflammation in rat glomerular mesangial (HBZY-1) cells and explored the underlying mechanisms. DPDS attenuated t-BHP-induced cytotoxicity, concurrent with decreased intracellular ROS and MDA contents and increased SOD activity and GSH content. Moreover, DPDS augmented the protein and mRNA expression of Nrf2, HO-1, NQO1, and GCLC in t-BHP-stimulated HBZY-1 cells. In addition, DPDS suppressed LPS-induced elevations of intracellular content and mRNA expression of interleukin (IL)-6, IL-1β and TNF-α. Furthermore, LPS-induced NFκB activation and high phosphorylation of JNK and ERK1/2 were markedly suppressed by DPDS in HBZY-1 cells. In summary, these data demonstrated that DPDS improves t-BHP-induced oxidative stress by activating the Nrf2/Keap1 pathway, and also improves LPS-induced inflammation via inhibition of the NFκB/MAPK pathways in HBZY-1 cells, suggesting that DPDS has the potential to be developed as a candidate for the prevention and treatment of DN.
Collapse
|
14
|
Lidocaine Ameliorates Diabetic Peripheral Neuropathy in Streptozotocin-Induced Diabetic Rats through Modulating the c-Jun Signaling Pathway. CONTRAST MEDIA & MOLECULAR IMAGING 2022; 2022:1888153. [PMID: 36072636 PMCID: PMC9402326 DOI: 10.1155/2022/1888153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 06/27/2022] [Accepted: 07/08/2022] [Indexed: 11/17/2022]
Abstract
As one of the common complications of diabetes mellitus (DM), Diabetic Peripheral Neuropathy (DPN) threatens human lives seriously. Emerging evidences have confirmed the protective effects of lidocaine on DPN. However, the possible role and underlying mechanisms of lidocaine in DPN have not been clarified. In this study, the potential role of lidocaine in DPN is explored, and the possible mechanisms are investigated. The rat DPN model is constructed through administration of streptozotocin (STZ, 60 mg/kg). All rats are randomly divided into four groups, including the control group, DPN group, lidocaine (3.78 mg/time) group, and lidocaine combined with the SP600125 (15 mg/kg) group. Mechanical threshold, thermal latency, and blood glucose of rats before and after treatment are detected, and Nerve Conduction Velocity (NCV) is assessed. Moreover, qRT-PCR and western blot assays are carried out to determine the expressions of the c-Jun signaling pathway. The experimental results demonstrate that lidocaine remarkably downregulates the mRNA and protein expressions of the c-Jun signaling pathway in serum and DRGs induced with DPN. Besides, lidocaine combined with SP600125 can obtain better effects than lidocaine alone. It is clearly evident that lidocaine has a certain therapeutic effect on DPN.
Collapse
|
15
|
Arslanbaeva L, Bisaglia M. Activation of the Nrf2 Pathway as a Therapeutic Strategy for ALS Treatment. Molecules 2022; 27:1471. [PMID: 35268572 PMCID: PMC8911691 DOI: 10.3390/molecules27051471] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 02/21/2022] [Accepted: 02/21/2022] [Indexed: 12/19/2022] Open
Abstract
Amyotrophic lateral sclerosis is a progressive and fatal disease that causes motoneurons degeneration and functional impairment of voluntary muscles, with limited and poorly efficient therapies. Alterations in the Nrf2-ARE pathway are associated with ALS pathology and result in aberrant oxidative stress, making the stimulation of the Nrf2-mediated antioxidant response a promising therapeutic strategy in ALS to reduce oxidative stress. In this review, we first introduce the involvement of the Nrf2 pathway in the pathogenesis of ALS and the role played by astrocytes in modulating such a protective pathway. We then describe the currently developed activators of Nrf2, used in both preclinical animal models and clinical studies, taking into consideration their potentialities as well as the possible limitations associated with their use.
Collapse
Affiliation(s)
| | - Marco Bisaglia
- Department of Biology, University of Padua, 35131 Padua, Italy
- Center Study for Neurodegeneration (CESNE), University of Padua, 35131 Padua, Italy
| |
Collapse
|
16
|
The Effects of Nuclear Factor Erythroid 2 (NFE2)-Related Factor 2 (Nrf2) Activation in Preclinical Models of Peripheral Neuropathic Pain. Antioxidants (Basel) 2022; 11:antiox11020430. [PMID: 35204312 PMCID: PMC8869199 DOI: 10.3390/antiox11020430] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Revised: 02/13/2022] [Accepted: 02/18/2022] [Indexed: 02/06/2023] Open
Abstract
Oxidative stress, resulting from an imbalance between the formation of damaging free radicals and availability of protective antioxidants, can contribute to peripheral neuropathic pain conditions. Reactive oxygen and nitrogen species, as well as products of the mitochondrial metabolism such as superoxide anions, hydrogen peroxide, and hydroxyl radicals, are common free radicals. Nuclear factor erythroid 2 (NFE2)-related factor 2 (Nrf2) is a transcription factor encoded by the NFE2L2 gene and is a member of the cap 'n' collar subfamily of basic region leucine zipper transcription factors. Under normal physiological conditions, Nrf2 remains bound to Kelch-like ECH-associated protein 1 in the cytoplasm that ultimately leads to proteasomal degradation. During peripheral neuropathy, Nrf2 can translocate to the nucleus, where it heterodimerizes with muscle aponeurosis fibromatosis proteins and binds to antioxidant response elements (AREs). It is becoming increasingly clear that the Nrf2 interaction with ARE leads to the transcription of several antioxidative enzymes that can ameliorate neuropathy and neuropathic pain in rodent models. Current evidence indicates that the antinociceptive effects of Nrf2 occur via reducing oxidative stress, neuroinflammation, and mitochondrial dysfunction. Here, we will summarize the preclinical evidence supporting the role of Nrf2 signaling pathways and Nrf2 inducers in alleviating peripheral neuropathic pain.
Collapse
|
17
|
Pu Q, Guo XX, Hu JJ, Li AL, Li GG, Li XY. Nicotinamide mononucleotide increases cell viability and restores tight junctions in high-glucose-treated human corneal epithelial cells via the SIRT1/Nrf2/HO-1 pathway. Biomed Pharmacother 2022; 147:112659. [PMID: 35123232 DOI: 10.1016/j.biopha.2022.112659] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 01/06/2022] [Accepted: 01/18/2022] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND Diabetes mellitus (DM)-related corneal epithelial dysfunction is a severe ocular disorder; however, the effects of nicotinamide mononucleotide (NMN) on high-glucose (HG)-treated human corneal epithelial cells (HCECs) remain unclear. METHODS We conducted an in-vitro study to examine the effects of NMN treatment on HG-treated HCECs. Cell viability was measured using trypan blue stain, mitochondrial membrane potential was measured using JC-1 stain, and intracellular reactive oxygen species and apoptosis assays were conducted using flow cytometry. Transepithelial electrical resistance (TEER) and zonula occludens-1 (ZO-1) immunofluorescence for tight junction examinations were conducted. Immunoblot analyses were conducted to analyze the expression of silent information regulator-1 (SIRT1), nuclear factor erythroid 2-related factor 2 (Nrf2), and heme oxygenase-1 (HO-1) of the SIRT1/Nrf2/HO-1 pathway. RESULTS NMN increased cell viability by reducing cell damage, reducing apoptosis, increasing cell migration, and restoring tight junctions in HG-treated HCECs. By analyzing the expressions of SIRT1, Nrf2, HO-1, NMN demonstrated protective effects via the SIRT1/Nrf2/HO-1 pathway. CONCLUSIONS NMN increases cell viability by reversing cell damage, reducing apoptosis, increasing cell migration, and restoring tight junctions in HG-treated HCECs, and these effects may be mediated by the SIRT1/Nrf2/HO-1 pathway.
Collapse
Affiliation(s)
- Qi Pu
- Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, China
| | - Xiao-Xiao Guo
- Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, China
| | - Jing-Jie Hu
- Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, China
| | - Ao-Ling Li
- Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, China
| | - Gui-Gang Li
- Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, China
| | - Xin-Yu Li
- Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, China.
| |
Collapse
|
18
|
Regulatory Effects of Astragaloside IV on Hyperglycemia-Induced Mitophagy in Schwann Cells. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:7864308. [PMID: 35069769 PMCID: PMC8767404 DOI: 10.1155/2022/7864308] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 11/04/2021] [Accepted: 12/16/2021] [Indexed: 01/17/2023]
Abstract
OBJECTIVE This study aimed to observe the regulatory effects of astragaloside IV (AS-IV) on hyperglycemia-induced mitochondrial damage and mitophagy in Schwann cells and to provide references for clinical trials on AS-IV in the treatment of diabetic peripheral neuropathy. METHODS Schwann cells were grown in a high-glucose medium to construct an autophagy model; the cells were then treated with AS-IV and N-acetylcysteine (control) to observe the regulatory effects of AS-IV on oxidative stress and mitophagy. RESULTS AS-IV exhibited antioxidant activity and inhibited the overactivation of autophagy in Schwann cells, significantly reducing the level of reactive oxygen species and downregulating the expression of autophagy-related proteins (LC3, PINK, and Parkin) under hyperglycemic conditions, thereby exerting a protective effect on mitochondrial morphology and membrane potential. CONCLUSION AS-IV can maintain the mitochondrial function of Schwann cells under hyperglycemic conditions by effectively alleviating oxidative stress and overactivation of mitophagy. The evidence from this study supports an AS-IV-based therapeutic strategy against diabetic peripheral neuropathy.
Collapse
|
19
|
Ramanaiah I, Sudeep HV, Shyamprasad K. Viphyllin TM, a Standardized Black Pepper Extract Exerts Antihyperglycemic Effect and Improves Sciatic Nerve Conduction in High Fat Diet/Streptozotocin-Induced Diabetic Model Rats. Diabetes Metab Syndr Obes 2022; 15:1819-1829. [PMID: 35733641 PMCID: PMC9207258 DOI: 10.2147/dmso.s366609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 05/25/2022] [Indexed: 11/23/2022] Open
Abstract
PURPOSE Research on plant-based formulations has drawn considerable attention in the management of diabetic neuropathy (DN) for having lesser side effects than the synthetic counterparts. Here, we have investigated for the first time the therapeutic effects of a standardized Piper nigrum L., (black pepper) seed extract, ViphyllinTM in mitigating hyperglycemia and neuropathic pain of type 2 diabetes model rats. METHODS Type 2 diabetes was induced in male Wistar rats using high fat diet and a single dose of streptozotocin (60 mg/kg i.p.). The diabetic rats were orally administered with Viphyllin containing not less than 30% β-caryophyllene (BCP), at 25 mg, 50 mg and 100 mg/kg/day doses for 6 weeks. Changes in body weight, fasting blood glucose (FBG), glucose tolerance, and blood biochemical parameters were measured. The nociceptive response to thermal stimulus (tail flick test) and sciatic nerve conduction velocity (NCV) were recorded at the end of study. RESULTS Viphyllin treatment markedly improved the body weight and glucose tolerance in diabetic rats. Also, the extract could significantly reduce the diabetes-induced elevation in FBG, liver and kidney indices. Further, Viphyllin dose-dependently increased the nociception latency in tail flick test compared to untreated diabetic rats (p<0.05). Viphyllin at 100 mg/kg significantly increased the NCV (44.12±1.91*** m/s vs diabetic control 25.80±1.88 m/s). The antioxidant enzyme activities in sciatic nerve tissue were considerably increased in Viphyllin-treated groups compared to diabetic control. A 6-week treatment with Viphyllin markedly reversed the pathological manifestations of diabetes in vital organs such as liver, kidney and pancreas. CONCLUSION The study concludes that Viphyllin exerts antidiabetic effects and improves nerve conduction to mitigate neuropathic pain.
Collapse
Affiliation(s)
- Illuri Ramanaiah
- Department of Preclinical Studies, R&D Center for Excellence, Vidya Herbs Pvt Ltd, Bangalore, Karnataka, 560 105, India
| | - Heggar Venkataramana Sudeep
- Department of Preclinical Studies, R&D Center for Excellence, Vidya Herbs Pvt Ltd, Bangalore, Karnataka, 560 105, India
- Correspondence: Heggar Venkataramana Sudeep, Department of Preclinical Studies, R&D Center for Excellence, Vidya Herbs Pvt Ltd, Bangalore, Karnataka, 560 105, India, Tel +91 80-42094158, Email
| | - Kodimule Shyamprasad
- Department of Preclinical Studies, R&D Center for Excellence, Vidya Herbs Pvt Ltd, Bangalore, Karnataka, 560 105, India
| |
Collapse
|
20
|
TSH Combined with TSHR Aggravates Diabetic Peripheral Neuropathy by Promoting Oxidative Stress and Apoptosis in Schwann Cells. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:2482453. [PMID: 34804362 PMCID: PMC8601831 DOI: 10.1155/2021/2482453] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 09/29/2021] [Accepted: 10/19/2021] [Indexed: 11/17/2022]
Abstract
Subclinical hypothyroidism (SCH) is associated with diabetic peripheral neuropathy (DPN); however, the mechanism underlying this association remains unknown. This study is aimed at examining neurofunctional and histopathological alterations in a type 2 diabetes (T2DM) mouse model of SCH and investigating the impact of thyroid-stimulating hormone (TSH) in an in vitro DPN cell model established using RSC96 cells under high glucose (HG) and palmitic acid (PA) stimulation. Our results indicated that T2DM, in combination with SCH, aggravated abnormal glucose and lipid metabolism in T2DM and dramatically destroyed the peripheral nervous system by increasing paw withdrawal latency, decreasing motor nerve conduction velocity, and exacerbating ultrastructural deterioration of the damaged sciatic nerve caused by diabetes. Furthermore, the results of our in vitro experiments showed that TSH intensified HG/PA-induced RSC96 cell damage by inducing oxidative stress, mitochondrial dysfunction, and apoptosis. More importantly, TSHR knockout or inhibition of PA-induced TSHR palmitoylation could alleviate the apoptosis induced by TSH. Overall, in this study, the novel mechanisms by which TSH, as an independent risk factor for DPN progression, aggravating Schwann cell apoptosis and demyelination, are elucidated. These findings indicate that TSHR could be a potential target for both the prevention and treatment of DPN and, possibly, other microvascular diseases, and have implication in the clinical management of patients with DPN.
Collapse
|
21
|
Wang M, Xie M, Yu S, Shang P, Zhang C, Han X, Fan C, Chen L, Zhuang X, Chen S. Lipin1 Alleviates Autophagy Disorder in Sciatic Nerve and Improves Diabetic Peripheral Neuropathy. Mol Neurobiol 2021; 58:6049-6061. [PMID: 34435332 DOI: 10.1007/s12035-021-02540-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Accepted: 08/17/2021] [Indexed: 01/10/2023]
Abstract
Diabetic peripheral neuropathy (DPN) is a chronic complication of diabetes, and its neural mechanisms underlying the pathogenesis remain unclear. Autophagy plays an important role in neurodegenerative diseases and nerve tissue injury. Lipin1 is a phosphatidic acid phosphatase enzyme that converts phosphatidic acid (PA) into diacylglycerol (DAG), a precursor of triacylglycerol and phospholipids which plays an important role in maintaining normal peripheral nerve conduction function. However, whether Lipin1 involved in the pathogenesis of DPN via regulation of autophagy is not elucidated. Here, we show that the Lipin1 expression was downregulated in streptozotocin (STZ)-induced DPN rat model. Interestingly, STZ prevented DAG synthesis, and resulted in autophagic hyperactivity, effects which may increase the apoptosis of Schwann cells and lead to demyelination in sciatic nerve in DPN rats. More importantly, upregulation of lipin1 in the DPN rats ameliorated autophagy disorders and pathological changes of the sciatic nerve, which associated with the increase of the motor nerve conductive velocity (MNCV) in DPN rats. In contrast, knockdown of lipin1 exacerbates neuronal abnormalities and facilitates the genesis of DPN phenotypes in rats. In addition, overexpression of lipin1 in RSC96 cells also significantly decreased the autophagic hyperactivity and apoptosis induced by hyperglycemia. These results suggest that lipin1 may exert neuroprotection within the sciatic nerve anomalies and may serve as a potential therapeutic target for the treatment of DPN.
Collapse
Affiliation(s)
- Meijian Wang
- Department of Endocrinology, The Second Hospital, Cheeloo College of Medicine, Shandong University, 247 Beiyuan Street, Ji'nan, Shandong, 250033, People's Republic of China.,Department of Endocrinology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Qingdao, 758 Hefei Road, Qingdao, Shandong, 266035, People's Republic of China
| | - Min Xie
- Department of Endocrinology, The Second Hospital, Cheeloo College of Medicine, Shandong University, 247 Beiyuan Street, Ji'nan, Shandong, 250033, People's Republic of China.,Department of Endocrinology, Binzhou Medical University Hospital, 661 Huanghe Second Road, Binzhou, Shandong, 256603, People's Republic of China
| | - Shuyan Yu
- Department of Physiology, School of Basic Medical Sciences, Shandong University, 44 Wenhua Xi Road, Jinan, Shandong, 250012, People's Republic of China
| | - Pan Shang
- Department of Endocrinology, The Second Hospital, Cheeloo College of Medicine, Shandong University, 247 Beiyuan Street, Ji'nan, Shandong, 250033, People's Republic of China
| | - Cong Zhang
- Department of School of Biological & Chemical Engineering, Qingdao Technical College, 369 Qiantangjiang Road, Qingdao, Shandong, 266555, People's Republic of China
| | - Xiaolin Han
- Department of Endocrinology, The Second Hospital, Cheeloo College of Medicine, Shandong University, 247 Beiyuan Street, Ji'nan, Shandong, 250033, People's Republic of China
| | - Cuiqin Fan
- Department of Physiology, School of Basic Medical Sciences, Shandong University, 44 Wenhua Xi Road, Jinan, Shandong, 250012, People's Republic of China
| | - Li Chen
- Department of Endocrinology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Qingdao, 758 Hefei Road, Qingdao, Shandong, 266035, People's Republic of China
| | - Xianghua Zhuang
- Department of Endocrinology, The Second Hospital, Cheeloo College of Medicine, Shandong University, 247 Beiyuan Street, Ji'nan, Shandong, 250033, People's Republic of China.
| | - Shihong Chen
- Department of Endocrinology, The Second Hospital, Cheeloo College of Medicine, Shandong University, 247 Beiyuan Street, Ji'nan, Shandong, 250033, People's Republic of China.
| |
Collapse
|
22
|
Wang X, Li C, Huan Y, Cao H, Sun S, Lei L, Liu Q, Liu S, Ji W, Huang K, Shen Z, Zhou J. Diphenyl diselenide ameliorates diabetic nephropathy in streptozotocin-induced diabetic rats via suppressing oxidative stress and inflammation. Chem Biol Interact 2021; 338:109427. [PMID: 33639173 DOI: 10.1016/j.cbi.2021.109427] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Revised: 02/14/2021] [Accepted: 02/19/2021] [Indexed: 12/31/2022]
Abstract
Oxidative stress and inflammation are implicated in the occurrence and progression of diabetic nephropathy (DN). Diphenyl diselenide (DPDS) is a stable and simple diaryl diselenide with anti-hyperglycemic, anti-inflammatory, and antioxidant activities. However, the effects of DPDS on DN are still unclear to date. Herein, we aimed to explore whether DPDS could improve renal dysfunction in streptozotocin (STZ)-induced diabetic rats and its underlying mechanisms. STZ-induced DN rats were administered with DPDS (5 or 15 mg/kg) or metformin (200 mg/kg) once daily by intragastric gavage for 12 weeks. DPDS supplementation significantly improved hyperglycemia, glucose intolerance, dyslipidemia, and the renal pathological abnormalities, concurrent with significantly reduced serum levels of creatinine, urea nitrogen, urine volume, and urinary levels of micro-albumin, β2-microglobulin and N-acetyl-glucosaminidase activities. Moreover, DPDS effectively promoted the activities of antioxidant enzymes, and reduced the levels of MDA and pro-inflammatory factors in serum and the kidney. Furthermore, DPDS supplementation activated the renal Nrf2/Keap1 signaling pathway, but attenuated the high phosphorylation levels of NFκB, JNK, p38 and ERK1/2. Altogether, the current study indicated for the first time that DPDS ameliorated STZ-induced renal dysfunction in rats, and its mechanism of action may be attributable to suppressing oxidative stress via activating the renal Nrf2/Keap1 signaling pathway and mitigating inflammation by suppressing the renal NFκB/MAPK signaling pathways, suggesting a potential therapeutic approach for DN.
Collapse
MESH Headings
- Animals
- Antioxidants/metabolism
- Benzene Derivatives/pharmacology
- Benzene Derivatives/therapeutic use
- Cytokines/metabolism
- Diabetes Mellitus, Experimental/complications
- Diabetes Mellitus, Experimental/drug therapy
- Diabetes Mellitus, Experimental/pathology
- Diabetes Mellitus, Experimental/physiopathology
- Diabetes Mellitus, Type 1/complications
- Diabetes Mellitus, Type 1/drug therapy
- Diabetes Mellitus, Type 1/genetics
- Diabetes Mellitus, Type 1/physiopathology
- Diabetic Nephropathies/complications
- Diabetic Nephropathies/drug therapy
- Diabetic Nephropathies/pathology
- Diabetic Nephropathies/physiopathology
- Dyslipidemias/complications
- Dyslipidemias/drug therapy
- Dyslipidemias/genetics
- Gene Expression Regulation/drug effects
- Glucose/metabolism
- Inflammation/complications
- Inflammation/drug therapy
- Inflammation/genetics
- Kelch-Like ECH-Associated Protein 1/metabolism
- Kidney/pathology
- Kidney/physiopathology
- Lipid Metabolism/drug effects
- MAP Kinase Signaling System/drug effects
- Male
- Models, Biological
- NF-E2-Related Factor 2/metabolism
- NF-kappa B/metabolism
- Organoselenium Compounds/pharmacology
- Organoselenium Compounds/therapeutic use
- Oxidative Stress/drug effects
- Rats, Sprague-Dawley
- Streptozocin
- Rats
Collapse
Affiliation(s)
- Xing Wang
- Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Caina Li
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yi Huan
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Hui Cao
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Sujuan Sun
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Lei Lei
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Quan Liu
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Shuainan Liu
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Wenming Ji
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Kaixun Huang
- Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Zhufang Shen
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
| | - Jun Zhou
- Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China; Shenzhen Huazhong University of Science and Technology Research Institute, Shenzhen 518057, China.
| |
Collapse
|