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Lu J, Zhang L, Zhang J, Sun Y, Wang H, Wang W, Wang K, Qin L, Jia J. Oxidative stress plays an important role in the central regulatory mechanism of orofacial hyperalgesia under low estrogen conditions. Behav Brain Res 2024; 469:115047. [PMID: 38759799 DOI: 10.1016/j.bbr.2024.115047] [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: 02/05/2024] [Revised: 05/07/2024] [Accepted: 05/08/2024] [Indexed: 05/19/2024]
Abstract
Hyperalgesia occurs in the orofacial region of rats when estrogen levels are low, although the specific mechanism needs to be investigated further. Furthermore, oxidative stress plays an important role in the transmission of pain signals. This study aimed to explore the role of oxidative stress in orofacial hyperalgesia under low estrogen conditions. We firstly found an imbalance between oxidative and antioxidant capacity within the spinal trigeminal subnucleus caudalis (SP5C) of rats after ovariectomy (OVX), resulting in oxidative stress and then a decrease in the orofacial pain threshold. To investigate the mechanism by which oxidative stress occurs, we used virus as a tool to silence or overexpress the excitatory amino acid transporter 3 (EAAT3) gene. Further investigation revealed that the regulation of glutathione (GSH) and reactive oxygen species (ROS) can be achieved by regulating EAAT3, which in turn impacts the occurrence of oxidative stress. In summary, our findings suggest that reduced expression of EAAT3 within the SP5C of rats in the low estrogen state may decrease GSH content and increase ROS levels, resulting in oxidative stress and ultimately lead to orofacial hyperalgesia. This suggests that antioxidants could be a potential therapeutic direction for orofacial hyperalgesia under low estrogen conditions, though more research is needed to understand its mechanism.
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Affiliation(s)
- Jiali Lu
- Shanxi Medical University School and Hospital of Stomatology, Taiyuan, China
| | - Linqian Zhang
- Shanxi Medical University School and Hospital of Stomatology, Taiyuan, China
| | - Jinglin Zhang
- Yuncheng Vocational Nursing College, Yuncheng, China
| | - Yanrong Sun
- Department of Human Anatomy, Histology and Embryology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China
| | - Hanfei Wang
- Department of Human Anatomy, Histology and Embryology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China
| | - Wenjuan Wang
- Department of Human Anatomy, Histology and Embryology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China
| | - Ke Wang
- Department of Human Anatomy, Histology and Embryology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China
| | - Lihua Qin
- Department of Human Anatomy, Histology and Embryology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China.
| | - Jing Jia
- Shanxi Medical University School and Hospital of Stomatology, Taiyuan, China; Department of Stomatology, The Third Medical Center, Chinese PLA (People's Liberation Army) General Hospital, Beijing, China.
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Xiang Y, Naik S, Zhao L, Shi J, Ke H. Emerging phosphodiesterase inhibitors for treatment of neurodegenerative diseases. Med Res Rev 2024; 44:1404-1445. [PMID: 38279990 DOI: 10.1002/med.22017] [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: 08/14/2023] [Revised: 12/13/2023] [Accepted: 01/09/2024] [Indexed: 01/29/2024]
Abstract
Neurodegenerative diseases (NDs) cause progressive loss of neuron structure and ultimately lead to neuronal cell death. Since the available drugs show only limited symptomatic relief, NDs are currently considered as incurable. This review will illustrate the principal roles of the signaling systems of cyclic adenosine and guanosine 3',5'-monophosphates (cAMP and cGMP) in the neuronal functions, and summarize expression/activity changes of the associated enzymes in the ND patients, including cyclases, protein kinases, and phosphodiesterases (PDEs). As the sole enzymes hydrolyzing cAMP and cGMP, PDEs are logical targets for modification of neurodegeneration. We will focus on PDE inhibitors and their potentials as disease-modifying therapeutics for the treatment of Alzheimer's disease, Parkinson's disease, and Huntington's disease. For the overlapped but distinct contributions of cAMP and cGMP to NDs, we hypothesize that dual PDE inhibitors, which simultaneously regulate both cAMP and cGMP signaling pathways, may have complementary and synergistic effects on modifying neurodegeneration and thus represent a new direction on the discovery of ND drugs.
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Affiliation(s)
- Yu Xiang
- Department of Pharmacy, Personalized Drug Therapy Key Laboratory of Sichuan Province, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Swapna Naik
- Department of Pharmacology, Yale Cancer Biology Institute, Yale University, West Haven, Connecticut, USA
| | - Liyun Zhao
- Department of Pharmacy, Personalized Drug Therapy Key Laboratory of Sichuan Province, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Jianyou Shi
- Department of Pharmacy, Personalized Drug Therapy Key Laboratory of Sichuan Province, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Hengming Ke
- Department of Biochemistry and Biophysics, The University of North Carolina, Chapel Hill, North Carolina, USA
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3
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Geddawy A, Attya ME, Hegazy A, AbdElhaseeb MK, Fawzy MA, Atta M, Ali FF, Abdelzaher WY. The ameliorative effect of vinpocetine against gentamicin-induced uterine-injury in rats involves the inflammasome/caspase-1/IL-1β pathway. Mol Biol Rep 2024; 51:655. [PMID: 38739285 DOI: 10.1007/s11033-024-09556-9] [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: 02/06/2024] [Accepted: 04/15/2024] [Indexed: 05/14/2024]
Abstract
BACKGROUND There is limited data regarding the hazardous effect of gentamicin (GM) on the uterus and whether or not vinpocetine (Vinpo) ameliorates it. The present study aimed to identify the possible protective effect of Vinpo in GM-induced uterine injury in rats. METHODS Female rats were assorted in control-group, Vinpo-group, GM-group, and Vinpo plus GM group. Serum and uterine GM concentration were measured. Uterine oxidative stress parameters besides inflammatory and apoptotic biomarkers were evaluated. Uterine histopathological examination and interlukin-1beta (IL-1β) immune-histochemical study were detected. RESULTS GM significantly increased uterine oxidative stress, inflammatory and apoptotic biomarkers. Histopathological picture of uterine damage and increased IL-1β immunoexpression were detected. Vinpo significantly ameliorated the distributed GM concentration, oxidative stress, inflammatory and apoptotic biomarkers with a prompt improvement in histopathological picture and a decrease in IL-1β immunoexpression. CONCLUSION Vinpo protective effect against GM-induced uterine injury involves modulation of inflammasome/caspase-1/IL-1β signaling pathway.
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Affiliation(s)
- Ayman Geddawy
- Department of Medical Pharmacology, Faculty of Medicine, Minia University, Minia, 61511, Egypt
- Department of Basic Medical Sciences, College of Medicine, Prince Sattam Bin Abdulaziz University, 11942, Al Kharj, Saudi Arabia
| | - Mina Ezzat Attya
- Department of Pathology, Faculty of Medicine, Minia University, Minia, 61511, Egypt
| | - AbdelRahman Hegazy
- Department of Obstetrics & Gynecology, Faculty of Medicine, Minia University, Minia, 61511, Egypt
| | | | - Michael Atef Fawzy
- Department of Biochemistry, Faculty of Pharmacy, Minia University, Minia, 61511, Egypt
| | - Medhat Atta
- Department of Anatomy, Faculty of Medicine, Minia University, Minia, 61511, Egypt
| | - Fatma F Ali
- Medical Physiology Department, Faculty of Medicine, Minia University, Minia, 61511, Egypt
- Biochemistry, Molecular biology and Physiology Department, Faculty of Medicine, Mutah University, Mutah, Jordan
| | - Walaa Yehia Abdelzaher
- Department of Medical Pharmacology, Faculty of Medicine, Minia University, Minia, 61511, Egypt.
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Salman HR, Alzubaidy AA, Abbas AH, Mohammad HA. Attenuated effects of topical vinpocetine in an imiquimod-induced mouse model of psoriasis. J Taibah Univ Med Sci 2024; 19:35-53. [PMID: 37868105 PMCID: PMC10585306 DOI: 10.1016/j.jtumed.2023.09.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Revised: 08/11/2023] [Accepted: 09/09/2023] [Indexed: 10/24/2023] Open
Abstract
Psoriasis is an uncontrolled, long-lasting inflammatory dermatosis distinguished by thickened, erythematous, and flaky skin lesions. Massive amounts of inflammatory cytokines are produced when immune system imbalances are driven by genetic and environmental triggers. Vinpocetine (VNP), a man-made analogue of the compound vincamine found in the dwarf periwinkle herb, has robust anti-inflammatory, immunomodulatory, and anti-oxidative effects; alleviates the epidermal penetration of immune cells, such as eosinophils and neutrophils; and abolishes the generation of pro-inflammatory molecules. Objective This study was aimed at exploring the effects of long-term topical VNP, both alone and co-administered with clobetasol propionate, in an imiquimod-induced mouse model of psoriasiform dermatitis. Methods The study protocol consisted of 48 Swiss albino mice, randomly divided into six groups of eight mice each. In group I, petroleum jelly was administered daily for 8 days. In group II, imiquimod was administered topically at 62.5 mg daily for 8 days. In groups III, VI, V, and VI, 0.05% clobetasol propionate, 1% VNP, 3% VNP, and 3% VNP plus 0.05% clobetasol were administered topically for an additional 8 days after the induction, thus resulting in a total trial length of 16 days. Results Topical VNP at various doses alleviated the severity of imiquimod-induced psoriatic lesions-including erythema, silvery-white scaling, and thickening-and reversed the histopathological abnormalities. Moreover, imiquimod-exposed animals treated with VNP showed markedly diminished concentrations of inflammatory biomarkers, including tumour necrosis factor-α, interleukin (IL)-8, IL-17A, IL-23, IL-37, nuclear factor-kappa B (NF-κB), and transforming growth factor-β1. Conclusion This research provides new evidence that VNP, alone and in combination with clobetasol, may serve as a potential adjuvant for long-term management of autoimmune and autoinflammatory skin diseases, particularly psoriasis, by attenuating psoriatic lesion severity, suppressing cytokine generation, and limiting NF-κB-mediated inflammation.
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Affiliation(s)
- Hayder R. Salman
- Al-Mustaqbal University, College of Pharmacy, Department of Pharmacology, Hillah, Babylon, Iraq
- Al-Nahrain University, College of Medicine, Department of Pharmacology, Baghdad, Iraq
| | - Adeeb A. Alzubaidy
- University of Warith Al-Anbiyaa, College of Medicine, Department of Pharmacology, Karbala, Iraq
| | - Alaa H. Abbas
- Al-Nahrain University, College of Medicine, Department of Pharmacology, Baghdad, Iraq
| | - Hussein A. Mohammad
- University of Al-Qadisiyah, College of Pharmacy, Department of Pharmaceutics, Al Diwaniya, Al-Qadisiyah Province, Iraq
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Petric Z, Paixão P, Filipe A, Guimarães Morais J. Clinical Pharmacology of Vinpocetine: Properties Revisited and Introduction of a Population Pharmacokinetic Model for Its Metabolite, Apovincaminic Acid (AVA). Pharmaceutics 2023; 15:2502. [PMID: 37896263 PMCID: PMC10610279 DOI: 10.3390/pharmaceutics15102502] [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: 09/26/2023] [Revised: 10/07/2023] [Accepted: 10/19/2023] [Indexed: 10/29/2023] Open
Abstract
This paper examines the use of vinpocetine in the context of clinical pharmacology. The main and active metabolite of vinpocetine is apovincaminic acid (AVA). Due to the scarce information in the literature on AVA pharmacokinetics, we propose a population pharmacokinetic (PopPK) model for AVA based on a study in healthy volunteers with three different formulations of vinpocetine. The suggested PopPK model (and simulations) could be helpful in ensuring the more effective and safer use of the vinpocetine in the future given the increasing range of suggested indications for its use.
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Affiliation(s)
- Zvonimir Petric
- Department of Pharmacological Sciences, Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, University of Lisbon, 1649-004 Lisboa, Portugal
| | - Paulo Paixão
- Department of Pharmacological Sciences, Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, University of Lisbon, 1649-004 Lisboa, Portugal
| | - Augusto Filipe
- Medical Department, Tecnimede, Sociedade Técnico-Medicinal, S.A., Zona Industrial da Abrunheira, Rua da Tapada Grande, No. 2 Abrunheira, 2710-089 Sintra, Portugal
| | - José Guimarães Morais
- Department of Pharmacological Sciences, Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, University of Lisbon, 1649-004 Lisboa, Portugal
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Kozsurek M, Király K, Gyimesi K, Lukácsi E, Fekete C, Gereben B, Mohácsik P, Helyes Z, Bölcskei K, Tékus V, Pap K, Szűcs E, Benyhe S, Imre T, Szabó P, Gajtkó A, Holló K, Puskár Z. Unique, Specific CART Receptor-Independent Regulatory Mechanism of CART(55-102) Peptide in Spinal Nociceptive Transmission and Its Relation to Dipeptidyl-Peptidase 4 (DDP4). Int J Mol Sci 2023; 24:ijms24020918. [PMID: 36674439 PMCID: PMC9865214 DOI: 10.3390/ijms24020918] [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: 08/31/2022] [Revised: 12/09/2022] [Accepted: 12/14/2022] [Indexed: 01/06/2023] Open
Abstract
Cocaine- and amphetamine-regulated transcript (CART) peptides are involved in several physiological and pathological processes, but their mechanism of action is unrevealed due to the lack of identified receptor(s). We provided evidence for the antihyperalgesic effect of CART(55-102) by inhibiting dipeptidyl-peptidase 4 (DPP4) in astrocytes and consequently reducing neuroinflammation in the rat spinal dorsal horn in a carrageenan-evoked inflammation model. Both naturally occurring CART(55-102) and CART(62-102) peptides are present in the spinal cord. CART(55-102) is not involved in acute nociception but regulates spinal pain transmission during peripheral inflammation. While the full-length peptide with a globular motif contributes to hyperalgesia, its N-terminal inhibits this process. Although the anti-hyperalgesic effects of CART(55-102), CART(55-76), and CART(62-76) are blocked by opioid receptor antagonists in our inflammatory models, but not in neuropathic Seltzer model, none of them bind to any opioid or G-protein coupled receptors. DPP4 interacts with Toll-like receptor 4 (TLR4) signalling in spinal astrocytes and enhances the TLR4-induced expression of interleukin-6 and tumour necrosis factor alpha contributing to inflammatory pain. Depending on the state of inflammation, CART(55-102) is processed in the spinal cord, resulting in the generation of biologically active isoleucine-proline-isoleucine (IPI) tripeptide, which inhibits DPP4, leading to significantly decreased glia-derived cytokine production and hyperalgesia.
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Affiliation(s)
- Márk Kozsurek
- Department of Anatomy, Histology and Embryology, Semmelweis University, H-1094 Budapest, Hungary
| | - Kornél Király
- Department of Pharmacology and Pharmacotherapy, Semmelweis University, H-1089 Budapest, Hungary
| | - Klára Gyimesi
- Department of Anatomy, Histology and Embryology, Semmelweis University, H-1094 Budapest, Hungary
- Department of Anaesthesiology, Uzsoki Hospital, H-1145 Budapest, Hungary
| | - Erika Lukácsi
- Department of Anatomy, Histology and Embryology, Semmelweis University, H-1094 Budapest, Hungary
| | - Csaba Fekete
- Laboratory of Integrative Neuroendocrinology, Institute of Experimental Medicine, Eötvös Loránd Research Network, H-1083 Budapest, Hungary
- Department of Medicine, Division of Endocrinology, Diabetes and Metabolism, Tupper Research Institute, Tufts Medical Center, Boston, MA 02111, USA
| | - Balázs Gereben
- Laboratory of Integrative Neuroendocrinology, Institute of Experimental Medicine, Eötvös Loránd Research Network, H-1083 Budapest, Hungary
| | - Petra Mohácsik
- Laboratory of Integrative Neuroendocrinology, Institute of Experimental Medicine, Eötvös Loránd Research Network, H-1083 Budapest, Hungary
| | - Zsuzsanna Helyes
- Department of Pharmacology and Pharmacotherapy, University of Pécs, H-7624 Pécs, Hungary
- National Laboratory for Drug Research and Development, H-1117 Budapest, Hungary
- Chronic Pain Research Group, Eötvös Loránd Research Network, H-7624 Pécs, Hungary
| | - Kata Bölcskei
- Department of Pharmacology and Pharmacotherapy, University of Pécs, H-7624 Pécs, Hungary
| | - Valéria Tékus
- Department of Pharmacology and Pharmacotherapy, University of Pécs, H-7624 Pécs, Hungary
- National Laboratory for Drug Research and Development, H-1117 Budapest, Hungary
| | - Károly Pap
- Department of Orthopaedics and Traumatology, Uzsoki Hospital, H-1145 Budapest, Hungary
| | - Edina Szűcs
- Institute of Biochemistry, Biological Research Centre, Eötvös Loránd Research Network, H-6726 Szeged, Hungary
| | - Sándor Benyhe
- Institute of Biochemistry, Biological Research Centre, Eötvös Loránd Research Network, H-6726 Szeged, Hungary
| | - Tímea Imre
- MS Metabolomics Laboratory, Instrumentation Centre, Research Centre for Natural Sciences, Eötvös Loránd Research Network, H-1117 Budapest, Hungary
| | - Pál Szabó
- MS Metabolomics Laboratory, Instrumentation Centre, Research Centre for Natural Sciences, Eötvös Loránd Research Network, H-1117 Budapest, Hungary
| | - Andrea Gajtkó
- Department of Anatomy, Histology and Embryology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
| | - Krisztina Holló
- Department of Anatomy, Histology and Embryology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
| | - Zita Puskár
- Department of Anatomy, Histology and Embryology, Semmelweis University, H-1094 Budapest, Hungary
- Correspondence:
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Abdelrahman RS, Nashar EME, Alghamdi MA, Al-Khater KM, Taha RI. Phosphodiesterase1 inhibitor "Vinpocetine" ameliorates the inflammation, apoptosis and oxidative stress induced by cyclophosphamide in urinary bladder: an experimental study. Int Urol Nephrol 2023; 55:129-139. [PMID: 35817991 DOI: 10.1007/s11255-022-03246-w] [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: 02/16/2022] [Accepted: 06/08/2022] [Indexed: 01/05/2023]
Abstract
BACKGROUND Hemorrhagic cystitis often develops in patients treated with cyclophosphamide (CP). Vincamine (vinca alkaloid) is the source of the synthetic derivative vinpocetine (Vinpo). Worldwide, Vinpo is used as a cerebroprotective drug. As it has anti-oxidant, anti-thrombotic and anti-inflammatory effects but the power of Vinpo to prevent CP induced cystitis has not been studied. AIM OF STUDY This research was planned to explore the effect of Vinpo (10-30 mg/kg, orally) administered 1 or 4 h before inducing cystitis by CP injection (300 mg/kg, i.p.) on the urinary bladder of mice. RESULTS Administration of Vinpo 30 mg/kg, 4 h before CP injection ameliorated inflammatory markers. It reduced inducible nitric oxide synthase (iNOS), tumor necrosis factor- α (TNF-α), and BCL2 Associated X (Bax) expression in the bladder and increased the total antioxidant capacity level. Histological examination of the bladder has further supported these results. The present study suggests a protective effect of Vinpo (30 mg/kg, 4 h before CP injection) against CP-induced bladder inflammation. CONCLUSION This proposes that Vinpo 30 mg/kg may become a promising pharmacological drug to prevent urinary adverse effects in patients treated with chemotherapy using CP.
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Affiliation(s)
- Rehab Sabri Abdelrahman
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura, 35516, Egypt
- Department of Pharmacology and Toxicology, College of Pharmacy, Taibah University, Al-Madina Al-Munawwarah, Riyadh, 30001, Saudi Arabia
| | - Eman Mohamad El Nashar
- Department of Anatomy, College of Medicine, King Khalid University, King Khalid University Post Office Box: 960, Abha, Postal Code: 61421, Saudi Arabia.
- Department of Histology and Cell Biology College of Medicine, Benha University, Benha, Egypt.
| | - Mansour Abdullah Alghamdi
- Department of Anatomy, College of Medicine, King Khalid University, Abha, 61421, Saudi Arabia
- Genomics and Personalized Medicine Unit, College of Medicine, King Khalid University, Abha, 61421, Saudi Arabia
| | - Khulood Mohammed Al-Khater
- Department of Anatomy, College of Medicine, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam, 31441, Saudi Arabia
| | - Reham Ismail Taha
- Department of Anatomy and Embryology, Faculty of Medicine, Mansoura University, Mansoura, Egypt
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Hasriadi, Dasuni Wasana PW, Suwattananuruk P, Thompho S, Thitikornpong W, Vajragupta O, Rojsitthisak P, Towiwat P. Curcumin Diethyl γ-Aminobutyrate, a Prodrug of Curcumin, for Enhanced Treatment of Inflammatory Pain. ACS Pharmacol Transl Sci 2022; 5:774-790. [PMID: 36110378 PMCID: PMC9469498 DOI: 10.1021/acsptsci.2c00062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Indexed: 11/30/2022]
Abstract
Curcumin is a naturally occurring polyphenol compound with potential analgesic effects. It has been shown to improve pain-like behaviors in numerous models of pain. Despite its potential, curcumin exhibits poor physicochemical and pharmacokinetic properties, which hinder its oral therapeutic efficacy. Curcumin diethyl γ-aminobutyrate (CUR-2GE), a carbamate prodrug of curcumin, was designed to overcome these limitations and demonstrated greater anti-neuroinflammatory effects compared to curcumin in vitro. Thus, this study evaluated the effect of CUR-2GE and its parent compound on pain-like behaviors in carrageenan- and LPS-induced mouse models. The possible side effects of CUR-2GE were also assessed by exploring its effects on motor coordination and spontaneous locomotor activity after acute and chronic treatments. The results showed that CUR-2GE improved mechanical and thermal hyperalgesia and locomotor activity to a greater extent than curcumin in carrageenan-induced mice. These results are in line with the ability of CUR-2GE to suppress peripheral inflammation in the paw tissue of carrageenan-induced mice, indicated by a significant decrease in TNF-α and IL-6 expression levels. Similarly, in LPS-induced mice, CUR-2GE improved sickness and pain-like behaviors (exploratory behaviors and long-term locomotor activity) to a greater extent than curcumin. Furthermore, CUR-2GE significantly reduced the level of proinflammatory cytokines in both the plasma and spinal cord tissue of LPS-induced mice, exhibiting significantly higher inhibition than curcumin. Moreover, the motor coordination, and locomotive behaviors of mice were not affected by both acute and chronic administration of CUR-2GE, indicating no potential CNS side effects. Thus, CUR-2GE demonstrated enhanced therapeutic efficacy in mouse models of inflammatory pain without any possible CNS side effects, suggesting its potential to be developed as an analgesic agent against inflammatory pain.
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Affiliation(s)
- Hasriadi
- Center of Excellence in Natural Products for Ageing and Chronic Diseases, Chulalongkorn University, Bangkok 10330, Thailand
- Department of Pharmacology and Physiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand
| | - Peththa Wadu Dasuni Wasana
- Department of Pharmacology and Physiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand
- Pharmaceutical Sciences and Technology Program, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand
| | - Piyapan Suwattananuruk
- Pharmaceutical Sciences and Technology Program, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand
| | - Somphob Thompho
- Pharmaceutical Research Instrument Center, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand
| | - Worathat Thitikornpong
- Center of Excellence in Natural Products for Ageing and Chronic Diseases, Chulalongkorn University, Bangkok 10330, Thailand
- Department of Food and Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand
| | - Opa Vajragupta
- Center of Excellence in Natural Products for Ageing and Chronic Diseases, Chulalongkorn University, Bangkok 10330, Thailand
- Molecular Probes for Imaging Research Network Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand
| | - Pornchai Rojsitthisak
- Center of Excellence in Natural Products for Ageing and Chronic Diseases, Chulalongkorn University, Bangkok 10330, Thailand
- Department of Food and Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand
| | - Pasarapa Towiwat
- Center of Excellence in Natural Products for Ageing and Chronic Diseases, Chulalongkorn University, Bangkok 10330, Thailand
- Department of Pharmacology and Physiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand
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Ferulic acid and vinpocetine intake improves memory function by enhancing insulin sensitivity and reducing neuroinflammation and oxidative stress in type 2 diabetic animals with induced Alzheimer's disease. J Funct Foods 2022. [DOI: 10.1016/j.jff.2022.105180] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
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10
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Sipping MTK, Mediesse FK, Sombes AYN, Mfopa A, Boudjeko T. Antioxidant and anti-inflammatory activities of Ganoderma resinaceum (Boud) fruiting bodies extracts. JOURNAL OF HERBMED PHARMACOLOGY 2022. [DOI: 10.34172/jhp.2022.40] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Introduction: Ganoderma resinaceum is used to treat oxidative and inflammatory-related diseases such as cardiovascular and liver diseases. Thus, this study aimed to evaluate the antioxidant and anti-inflammatory activities of different extracts from G. resinaceum fruiting bodies. Methods: Aqueous crude (GRT), mycelial (MYC), exopolysaccharide (EPS I, EPS II) and water-soluble polysaccharide-rich (GRP I and GRP II) extracts of G. resinaceum were assessed for their free radical scavenging and metal chelating ions assays. The in vitro anti-inflammatory activity was evaluated by stabilization of erythrocytes’ membranes and protein denaturation assays. For the in vivo study, paw oedema was induced by administration of κ-carrageenan (0.1 mL; 1%) to male Wistar rats aged 4 to 6 weeks. Animals were pre-treated with G. resinaceum extracts (125 mg/kg) and diclofenac sodium (20 mg/kg). Inflammatory cytokine and chemokine levels were determined, and histological analysis of paw tissue was performed. Results: G. resinaceum polysaccharide-rich extracts (GRP I and GRP II) showed the best bioactivities. They scavenged DPPH (1,1-diphenyl-2-picrylhydrazyl, ABTS (2,2-azino-bis-3- ethylbenzylthiazoline-6-sulfonic acid, and NO (nitric oxide) radicals, and chelated ferrous ions, stabilized murine erythrocyte membranes, and inhibited protein denaturation. At 125 mg/kg, GRP I and GRP II restored the microarchitecture with a weak infiltration of immune cells in the subcutaneous tissues. Moreover, they decreased the overproduction of proinflammatory cytokines growth colony-stimulating factor (G-CSF), interferon gamma (IFNγ), tumour necrosis factor alpha (TNFα), chemokines (eotaxin, fractalkine) and increased the levels of anti-inflammatory cytokines (IL-10, IL-12p70). Conclusion: G. resinaceum polysaccharide extracts could be potent antioxidant and antiinflammatory agents.
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Affiliation(s)
- Marius Trésor Kemegne Sipping
- Laboratory of Phytoprotection and Valorization of Genetic Resources, Biotechnology Centre-Nkolbisson, University of Yaoundé 1, P.O. Box 17673, Etetak, Yaoundé, Cameroon
- Department of Animal Biology and Physiology, Faculty of Science, University of Yaoundé 1, Yaoundé 812, Cameroon
| | - Francine Kengne Mediesse
- Laboratory of Phytoprotection and Valorization of Genetic Resources, Biotechnology Centre-Nkolbisson, University of Yaoundé 1, P.O. Box 17673, Etetak, Yaoundé, Cameroon
- Institute of Medical Research and Medicinal Plants Studies, P.O. Box. 13033, Yaoundé, Cameroon
| | - Annette Yannuvie Natia Sombes
- Laboratory of Phytoprotection and Valorization of Genetic Resources, Biotechnology Centre-Nkolbisson, University of Yaoundé 1, P.O. Box 17673, Etetak, Yaoundé, Cameroon
| | - Adamou Mfopa
- Laboratory of Phytoprotection and Valorization of Genetic Resources, Biotechnology Centre-Nkolbisson, University of Yaoundé 1, P.O. Box 17673, Etetak, Yaoundé, Cameroon
- Institute of Medical Research and Medicinal Plants Studies, P.O. Box. 13033, Yaoundé, Cameroon
| | - Thaddée Boudjeko
- Laboratory of Phytoprotection and Valorization of Genetic Resources, Biotechnology Centre-Nkolbisson, University of Yaoundé 1, P.O. Box 17673, Etetak, Yaoundé, Cameroon
- Department of Biochemistry, Faculty of Sciences, University of Yaoundé 1, P.O. Box 812, Yaoundé, Cameroon
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Mohamed Kamel GA. Vinpocetine attenuates fluoxetine-induced liver damage in rats; Role of Nrf2 and PPAR-γ. Hum Exp Toxicol 2021; 40:S509-S518. [PMID: 34669537 DOI: 10.1177/09603271211051597] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
BACKGROUND Fluoxetine (FLX) has been widely used as first-line treatment in cases of depression and other neuropsychiatric disorders. Although its safety has been approved, the use of FLX was associated with liver injury and chronic liver disease. Vinpocetine (Vinpo), a nootropic drug, possesses antioxidant and anti-inflammatory effects. OBJECTIVE This study aimed to evaluate the protective effects of Vinpo on FLX-induced liver damage pointing to the role of peroxisome proliferator-activated receptor-gamma (PPAR-γ) and nuclear factor erythroid 2-related factor 2 (Nrf2). METHODS Rats were randomized to four groups: control group, Vinpo group (20 mg/kg/day; orally), FLX group (10 mg/kg/day; orally), and Vinpo + FLX group. RESULTS FLX-induced liver damage was evidenced through elevated liver function biomarkers and induced hepatic histopathological changes. Concurrent Vinpo treatment resulted in a significant decrease in hepatotoxicity biomarkers and histopathological alterations. FLX-induced oxidative stress and inflammation were attenuated by Vinpo. In addition, Vinpo attenuated the hepatic NRF2 and HO-1 levels and up-regulated PPAR-γ expression. Moreover, FLX elevated Bcl-2-associated X protein (Bax) mRNA expression and decreased B-cell lymphoma 2 (Bcl2) mRNA expression were markedly reversed by Vinpo. CONCLUSION Vinpo possesses ameliorative effects against FLX-induced liver injury in rats. This effect may be due to attenuation of oxidative stress and inflammation, in addition to upregulation of PPAR-γ expression.
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Affiliation(s)
- Gellan Alaa Mohamed Kamel
- Department of Pharmacology and Toxicology, Faculty of Pharmacy (Girls), 68820Al-Azhar University, Cairo, Egypt
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12
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Luhach K, Kulkarni GT, Singh VP, Sharma B. Vinpocetine amended prenatal valproic acid induced features of ASD possibly by altering markers of neuronal function, inflammation, and oxidative stress. Autism Res 2021; 14:2270-2286. [PMID: 34415116 DOI: 10.1002/aur.2597] [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: 10/21/2020] [Revised: 07/26/2021] [Accepted: 08/02/2021] [Indexed: 01/18/2023]
Abstract
Autism spectrum disorder (ASD) is a neurodevelopmental disorder with complex etiology and phenotypes. Phosphodiesterase-1 (PDE1) inhibitors are known to provide benefits in various brain conditions manifesting similar behavioral phenotypes. The pharmacological consequences of vinpocetine administration a PDE1 inhibitor in prenatal-valproic acid (pre-VPA) induced ASD related behavioral phenotypes (social behavior deficits, repetitive behavior, anxiety, hyperlocomotion, and nociception) was assessed. Also, effects on important biochemical markers of neuronal function (DCX-neurogenesis, BDNF-neuronal survival, synapsin-IIa-synaptic transmission, pCREB-neuronal transcription factor), inflammation (interleukin [IL]-6, IL-10, and TNF-α) and oxidative stress (thiobarbituric acid reactive substance [TBARS] and glutathione (GSH) were studied in important brain areas (frontal cortex, cerebral cortex, hippocampus, and striatum). Further, neuronal cell viability was determined in dentate gyrus using Nissl staining. Pre-VPA administration resulted into impaired behavior, brain biochemistry, and neuronal cell viability. Administration of vinpocetine resulted in improvements of pre-VPA impaired social behavior, repetitive behavior, anxiety, locomotion, and nociception. Also, vinpocetine resulted in a significant increase in the levels of BDNF, synapsin-IIa, DCX, pCREB/CREB, IL-10, and GSH along with significant decrease in TNF-α, IL-6, TBARS, number of pyknotic and chromatolytic cells in different brain areas of pre-VPA group. Finally, high association between behavioral parameters and biochemical parameters was observed upon Pearson's correlation analysis. Vinpocetine, a PDE1 inhibitor rectified important behavioral phenotypes related with ASD, possibly by improving neuronal function, brain inflammation and brain oxidative stress. Thus, PDE1 may be a possible target for further understanding ASD. LAY SUMMARY: ASD is a brain developmental disorder with a wide array of genetic and environmental factors. Many targets have been identified till date, but a clinical treatment is still afar. The results of this study indicate that vinpocetine administration resulted in amelioration of ASD associated symptomatology in rats, prenatally exposed to VPA. Our research adds a widely expressed brain enzyme PDE1, as a possible novel pharmacological target and opens-up a new line of enquiry for ASD treatment.
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Affiliation(s)
- Kanishk Luhach
- Department of Pharmacology, Amity Institute of Pharmacy, Amity University, Noida, Uttar Pradesh, India
| | | | - Vijay P Singh
- CSIR-Institute of Genomics & Integrative Biology, Academy of scientific and Innovative research, New Delhi, India
| | - Bhupesh Sharma
- Department of Pharmacology, Amity Institute of Pharmacy, Amity University, Noida, Uttar Pradesh, India.,CNS and CVS Pharmacology, Conscience Research, Delhi, India
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13
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Hasriadi, Wasana PWD, Vajragupta O, Rojsitthisak P, Towiwat P. Automated home-cage for the evaluation of innate non-reflexive pain behaviors in a mouse model of inflammatory pain. Sci Rep 2021; 11:12240. [PMID: 34112846 PMCID: PMC8192791 DOI: 10.1038/s41598-021-91444-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Accepted: 05/24/2021] [Indexed: 02/05/2023] Open
Abstract
The failure to develop analgesic drugs is attributed not only to the complex and diverse pathophysiology of pain in humans but also to the poor experimental design and poor preclinical assessment of pain. Although considerable efforts have been devoted to overcoming the relevant problems, many features of the behavioral pain assessment remain to be characterized. For example, a decreased locomotor activity as a common presentation of pain-like behavior has yet to be described. Studies on mice experimentally induced with carrageenan have provided opportunities to explore pain-related behaviors in automated home-cage monitoring. Through this approach, the locomotor activities of mice with carrageenan-induced inflammatory pain can be precisely and objectively captured. Here, we found that the mobile behaviors of mice reduced, and their immobility increased, indicating that carrageenan induction in mice caused a significant decrease in locomotor activity. These non-reflexive pain behaviors were strongly correlated with the reflexive pain behaviors measured via von Frey and plantar tests. Furthermore, the pharmacological intervention using indomethacin improved the locomotor activity of mice with carrageenan-induced pain. Thus, the analysis of the locomotor activity in automated home-cage monitoring is useful for studying the behavioral analgesia and the pharmacological screening of analgesic drugs. The combined evaluation of reflexive and non-reflexive pain behaviors enhances the translational utility of preclinical pain research in rodents.
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Affiliation(s)
- Hasriadi
- Pharmaceutical Sciences and Technology Program, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Peththa Wadu Dasuni Wasana
- Pharmaceutical Sciences and Technology Program, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Opa Vajragupta
- Research Affairs, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Pornchai Rojsitthisak
- Department of Food and Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, 10330, Thailand
- Natural Products for Ageing and Chronic Diseases Research Unit, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Pasarapa Towiwat
- Natural Products for Ageing and Chronic Diseases Research Unit, Chulalongkorn University, Bangkok, 10330, Thailand.
- Department of Pharmacology and Physiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, 10330, Thailand.
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Abdelzaher WY, Ahmed SM, Welson NN, Marraiki N, Batiha GES, Kamel MY. Vinpocetine ameliorates L-arginine induced acute pancreatitis via Sirt1/Nrf2/TNF pathway and inhibition of oxidative stress, inflammation, and apoptosis. Biomed Pharmacother 2021; 133:110976. [PMID: 33202281 DOI: 10.1016/j.biopha.2020.110976] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Revised: 10/24/2020] [Accepted: 11/01/2020] [Indexed: 02/07/2023] Open
Abstract
OBJECTIVES Acute pancreatitis (AP) is a common severe critical illness with a high mortality rate. We aimed to study the effect of vinpocetine (Vinpo) in the treatment of AP because of its anti-inflammatory, antioxidant, and antiapoptotic effects. MATERIALS AND METHODS Thirty two adult male albino Wistar rats were randomized to four groups: control group, Vinpo group (20 mg/kg.P.O.), l-arginine group (two intraperitoneal injections of l-arginine 2.5 g/kg, 1 h apart), and Vinpo + L-arginine group. Vinpo administration was once daily for 7 consecutive days and started 1 h later after l-arginine administration. We measured serum enzyme biomarkers (lipase and amylase), levels of pancreatic malondialdehyde (MDA), total antioxidant capacity (TAC), reduced glutathione (GSH), total sulfhydryl (T-SH), total nitrite/nitrate (NOx), Interluken-6 (IL-6), tumor necrosis factor-alpha (TNF-α), Nuclear factor (erythroid-derived 2)-like 2 (Nrf2), Sirtuin type 1 (Sirt1), and caspase-3 activity. Furthermore; histological changes, anti-insulin, and inducible nitric oxide synthase (iNOS) immuno-expressions were examined. RESULTS l-arginine group displayed AP as manifested by a significant increase in serum lipase and amylase, MDA, NOx, IL-6, TNF-α, caspase-3 with iNOS immuno-expression. Histological changes indicating marked pancreatic injury were observed together with a significant decrease in TAC, GSH, T-SH, Nrf2, Sirt1 levels, and anti-insulin immuno-expression. Vinpo showed a significant amelioration in all parameters. CONCLUSION Vinpo possesses potent ameliorative effects against AP by decreasing oxidative stress, inflammatory process, and apoptosis through regulation of the Sirt1/Nrf2/TNF-α pathway.
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Affiliation(s)
| | - Sabreen Mahmoud Ahmed
- Depatment of Human Anatomy and Embryology, Faculty of Medicine, Minia University, Delegated to Deraya University, New Minia City, Egypt
| | - Nermeen N Welson
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Beni-Suef University, Beni-Suef, Egypt
| | - Najat Marraiki
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Gaber El-Saber Batiha
- Department of Pharmacology and Therapeutics, Faculty of Veterinary Medicine, Damanhour University, Damanhour Egypt
| | - Maha Yehia Kamel
- Department of Pharmacology, Faculty of Medicine, Minia University, Minia, Egypt.
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15
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Sanders O, Rajagopal L. Phosphodiesterase Inhibitors for Alzheimer's Disease: A Systematic Review of Clinical Trials and Epidemiology with a Mechanistic Rationale. J Alzheimers Dis Rep 2020; 4:185-215. [PMID: 32715279 PMCID: PMC7369141 DOI: 10.3233/adr-200191] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/17/2020] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Preclinical studies, clinical trials, and reviews suggest increasing 3',5'-cyclic adenosine monophosphate (cAMP) and 3',5'-cyclic guanosine monophosphate (cGMP) with phosphodiesterase inhibitors is disease-modifying in Alzheimer's disease (AD). cAMP/protein kinase A (PKA) and cGMP/protein kinase G (PKG) signaling are disrupted in AD. cAMP/PKA and cGMP/PKG activate cAMP response element binding protein (CREB). CREB binds mitochondrial and nuclear DNA, inducing synaptogenesis, memory, and neuronal survival gene (e.g., brain-derived neurotrophic factor) and peroxisome proliferator-activated receptor-γ coactivator-1α (PGC1α). cAMP/PKA and cGMP/PKG activate Sirtuin-1, which activates PGC1α. PGC1α induces mitochondrial biogenesis and antioxidant genes (e.g.,Nrf2) and represses BACE1. cAMP and cGMP inhibit BACE1-inducing NFκB and tau-phosphorylating GSK3β. OBJECTIVE AND METHODS We review efficacy-testing clinical trials, epidemiology, and meta-analyses to critically investigate whether phosphodiesteraseinhibitors prevent or treat AD. RESULTS Caffeine and cilostazol may lower AD risk. Denbufylline and sildenafil clinical trials are promising but preliminary and inconclusive. PF-04447943 and BI 409,306 are ineffective. Vinpocetine, cilostazol, and nicergoline trials are mixed. Deprenyl/selegiline trials show only short-term benefits. Broad-spectrum phosphodiesterase inhibitor propentofylline has been shown in five phase III trials to improve cognition, dementia severity, activities of daily living, and global assessment in mild-to-moderate AD patients on multiple scales, including the ADAS-Cogand the CIBIC-Plus in an 18-month phase III clinical trial. However, two books claimed based on a MedScape article an 18-month phase III trial failed, so propentofylline was discontinued. Now, propentofylline is used to treat canine cognitive dysfunction, which, like AD, involves age-associated wild-type Aβ deposition. CONCLUSION Phosphodiesterase inhibitors may prevent and treat AD.
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16
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Haddadi R, Rashtiani R. Anti-inflammatory and anti-hyperalgesic effects of milnacipran in inflamed rats: involvement of myeloperoxidase activity, cytokines and oxidative/nitrosative stress. Inflammopharmacology 2020; 28:903-913. [PMID: 32518981 DOI: 10.1007/s10787-020-00726-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Accepted: 05/29/2020] [Indexed: 12/25/2022]
Abstract
BACKGROUND Many injuries cause pain and inflammation, which are one of the major challenges for physicians. In this study, the analgesic and the anti-inflammatory effects of milnacipran were investigated on carrageenan-induced nociception and inflammation in male rats. METHODS Pain and inflammation were induced by injection of λ-carrageenan (1% v/v) into the hind paw. Indomethacin (10 mg/kg: ip) or milnacipran (10, 20 and 40 mg/kg: ip) were administered 30 min before carrageenan. Analgesia and inflammation were measured by hot plate and plethysmometer. Finally, lipid peroxidation, tumor necrosis factor alpha (TNF-α), Interleukin 1 beta (IL-1β), Interleukin 6 (IL-6), myeloperoxidase (MPO) activity, nitric oxide (NO) and total antioxidant capacity (TAC) status evaluated in the hind paw tissue. RESULTS The results showed that carrageenan caused hyperalgesia and inflammation in the hind paw tissue. Milnacipran (20 and 40 mg/kg) significantly and dose-dependently attenuated (65 ± 3.2%; p ≤0.01 and 42 ± 6.2%; p ≤ 0.001, respectively) carrageenan-induced inflammation and significantly increased (p ≤ 0.001) nociception threshold. Also, milnacipran (20 and 40 mg/kg) significantly suppressed levels of malondialdehyde (MDA), NO (p ≤ 0.05), MPO activity, TNF-α, IL-1β and IL-6 (p ≤ 0.001) following carrageenan injection. Additionally, milnacipran (10, 20 and 40 mg/kg) significantly augmented (p ≤ 0.05) TAC status following carrageenan in the hind paw tissue. CONCLUSION In the present study, milnacipran showed anti-nociceptive and anti-inflammatory effects on carrageenan-induced hyperalgesia and inflammation in a dose-dependent manner. Milnacipran reduced inflammatory edema and increased the paw withdrawal threshold probably through suppression of MDA, NO, TNF-α, IL-1β, IL-6 and MPO activity, and increase of TAC status in the hind paw tissue. Therefore, milnacipran holds important potential as an anti-inflammatory and anti-nociceptive drug. Although, further clinical trials to confirm this issue, is required.
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Affiliation(s)
- Rasool Haddadi
- Department of Pharmacology and Toxicology, Medicinal Plant and Natural Products Research Center, School of Pharmacy, Hamadan University of Medical Sciences, 6517838678, Hamadan, Iran. .,Student Research Committee, Hamadan University of Medical Sciences, Hamadan, Iran.
| | - Rojin Rashtiani
- Department of Pharmacology and Toxicology, Medicinal Plant and Natural Products Research Center, School of Pharmacy, Hamadan University of Medical Sciences, 6517838678, Hamadan, Iran.,Student Research Committee, Hamadan University of Medical Sciences, Hamadan, Iran
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17
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The Presence of High Levels of Circulating Trimethylamine N-Oxide Exacerbates Central and Peripheral Inflammation and Inflammatory Hyperalgesia in Rats Following Carrageenan Injection. Inflammation 2020; 42:2257-2266. [PMID: 31489527 DOI: 10.1007/s10753-019-01090-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Gut microbiota-derived metabolite trimethylamine N-oxide (TMAO) has recently been shown to promote inflammation in peripheral tissues and the central nervous system (CNS), contributing to the pathogenesis of various human diseases. Here, we examined whether the presence of high levels of circulating TMAO would influence central and peripheral inflammation and inflammatory hyperalgesia in a carrageenan (CG)-induced rat model of inflammation. Rats were treated with vehicle or TMAO in drinking water. After 2 weeks of treatment, rats received intraplantar injection of saline or CG into the hind paw. Acute nociception was unaltered in TMAO-treated rats that had elevated plasma TMAO. Following CG injection, TMAO-treated rats were significantly more sensitive to thermal and mechanical stimulation of the inflamed paw and displayed greater paw edema. Molecular studies revealed that CG injection induced increases in recruitment of neutrophils/macrophages in the paw and activation of microglia in the spinal cord, along with increased activation of nuclear factor (NF)-kB and production of proinflammatory mediators in both vehicle-treated rats and TMAO-treated rats. However, the increases in the above parameters were more pronounced in TMAO-treated rats. Moreover, TMAO treatment decreased protein levels of anti-inflammatory mediator regulator of G protein signaling (RGS)-10 in both saline-injected rats and CG-injected rats. These findings suggest that the presence of high levels of circulating TMAO downregulates anti-inflammatory mediator RGS10 in both peripheral tissues and the CNS, which may increase the susceptibility to inflammatory challenge-induced NF-kB activity, leading to greater increase in production of inflammatory mediators and consequent exacerbation of peripheral inflammation and inflammatory hyperalgesia.
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18
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Preconditioning with PDE1 Inhibitors and Moderate-Intensity Training Positively Affect Systemic Redox State of Rats. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:6361703. [PMID: 32104536 PMCID: PMC7035562 DOI: 10.1155/2020/6361703] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Revised: 12/29/2019] [Accepted: 01/21/2020] [Indexed: 12/13/2022]
Abstract
Taken into consideration that oxidative stress response after preconditioning with phosphodiesterase inhibitors (PDEIs) and moderate physical activity has still not been clarified, the aim of this study was to assess the effects of PDEIs alone or in combination with physical activity, on systemic redox status. The study was carried out on 96 male Wistar albino rats classified into two groups. The first group included animals exposed only to pharmacological preconditioning (PreC) maneuver (sedentary control (CTRL, 1 ml/day saline, n = 12), nicardipine (6 mg/kg/day of NIC, n = 12), vinpocetine (10 mg/kg/day of VIN, n = 12), and nimodipine (NIM 10 mg/kg/day of, n = 12). The second included animals exposed to preconditioning with moderate-intensity training (MIT) on treadmill for 8 weeks. After 5 weeks from the start of training, the animals were divided into four subgroups depending on the medication to be used for pharmacological PreC: moderate-intensity training (MIT+ 1 ml/day saline, n = 12), nicardipine (MIT+ 6 mg/kg/day of NIC, n = 12), vinpocetine (MIT+ 10 mg/kg/day of VIN, n = 12), and nimodipine (MIT+ 10 mg/kg/day of NIM, n = 12). After three weeks of pharmacological preconditioning, the animals were sacrificed. The following oxidative stress parameters were measured spectrophotometrically: nitrites (NO2−), superoxide anion radical (O2−), hydrogen peroxide (H2O2), index of lipid peroxidation (TBARS), superoxide dismutase (SOD), catalase (CAT), and reduced glutathione (GSH). Our results showed that PDE1 and MIT preconditioning decreased the release of prooxidants and improved the activity of antioxidant enzymes thus preventing systemic oxidative stress.
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Zhang Y, Chen P, Liang XF, Han J, Wu XF, Yang YH, Xue M. Metabolic disorder induces fatty liver in Japanese seabass, Lateolabrax japonicas fed a full plant protein diet and regulated by cAMP-JNK/NF-kB-caspase signal pathway. FISH & SHELLFISH IMMUNOLOGY 2019; 90:223-234. [PMID: 31029777 DOI: 10.1016/j.fsi.2019.04.060] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2019] [Revised: 04/20/2019] [Accepted: 04/24/2019] [Indexed: 06/09/2023]
Abstract
A 10-week growth trial was conducted to investigate the effects of replacing dietary fishmeal with plant proteins on nutrition metabolism, immunity, inflammation and apoptosis responses in liver tissues of Japanese seabass, Lateolabrax japonicas (initial body weight = 10.42 ± 0.01 g). Two isonitrogenous and isoenergetic diets were formulated. A basal diet containing 54% fishmeal (FM), whereas another diet was prepared by totally replacing FM with a plant protein blend (PP) composed with soybean protein concentrate and cottonseed protein concentrate. Although essential amino acids, fatty acids, and available phosphorus had been balanced according to the FM diet profile, the significantly lower growth performance, metabolic disorder, and fatty liver symptom were observed in the PP group. Compared with the FM group, fish in the PP group showed significantly lower plasma free EAA level and PPV. Glucose metabolism disorder was expressed as the uncontrollable fasting glycolysis and pyruvate aerobic oxidation at postprandial 24 h with significantly up-regulated GK, PK and PDH genes expression, which potentially over-produced acetyl-CoA as the substrate for protein and lipid synthesis. Significantly reduced plasma GLU, but increased GC level, along with very significantly reduced liver GLY storage could be observed in the PP group. Plasma TG and hepatic NEFA contents were significantly decreased, but the hepatic TC content was very significantly increased in the PP group, in addition, hepatocyte vacuolation appeared. The significantly up-regulated cholesterol synthesis gene (HMGCR) expression but down-regulated bile acid synthesis gene (CYP7A1) expression could be the main reason for the fatty liver induced by cholesterol accumulation. The reduced plasma IgM content accompanied by the up-regulated mRNA levels of pro-inflammatory cytokines (TNFα and IL1β) and activated apoptosis signals of liver tissues were found in the PP group. The hyperthyroidism (higher plasma T3 and T4) and the accelerated energy metabolism rate decreased the growth performance in the PP group. The activated p65NF-kB may promote the hepatocytes apoptosis via the extrinsic pathway (caspase8/caspase3). Simultaneously, a "self-saving" response could be observed that activated cAMP promoted the lipolysis/β-oxidation process and up-regulated gene expression of anti-inflammatory cytokine IL10 via promoting CREB expression, further inhibited the over-phosphorylation of JNK protein, which might impede the intrinsic apoptosis pathway (caspase9/caspase3). In conclusion, the nutrient and energy metabolic disorder induced fatty liver related to the cholesterol accumulation in Japanese seabass fed full PP diet, which was under the regulation by cAMP-JNK/NF-kB-caspase signaling pathway. The hemostasis phosphorylation of JNK protein protected the liver tissues from more serious damage.
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Affiliation(s)
- Y Zhang
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030, China
| | - P Chen
- National Aquafeed Safety Assessment Center, Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - X F Liang
- National Aquafeed Safety Assessment Center, Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - J Han
- Institute of Food and Nutrition Development, Ministry of Agriculture, Beijing, 100081, China
| | - X F Wu
- National Aquafeed Safety Assessment Center, Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Y H Yang
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030, China.
| | - M Xue
- National Aquafeed Safety Assessment Center, Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing, 100081, China.
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Ali AA, Ahmed HI, Khaleel SA, Abu-Elfotuh K. Vinpocetine mitigates aluminum-induced cognitive impairment in socially isolated rats. Physiol Behav 2019; 208:112571. [PMID: 31175888 DOI: 10.1016/j.physbeh.2019.112571] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2018] [Revised: 05/11/2019] [Accepted: 06/04/2019] [Indexed: 12/18/2022]
Abstract
Several reports have highlighted the role of vinpocetine in Alzheimer's disease (AD). However, the role of vinpocetine in AD under social isolation conditions has not yet been elucidated. Henceforth, this study aimed to investigate the potential neuroprotective effect of vinpocetine in aluminum-induced AD model associated with social isolation. Social isolation increased the escape latency in Morris water maze (MWM) test, elevated the immobility score and decreased swimming score in forced swimming test (FST) in aluminum treated rats. However, vinpocetine enhanced acquisition in MWM test and exerted anti-depressive effect in FST. The histopathological examination showed marked deterioration in the cerebral cortex and hippocampus of AD isolated rats, while vinpocetine revealed overt improvement. In addition, the levels of amyloid-β protein (Aβ), phosphorylated-tau (Ser396), malondialdehyde (MDA), interleukin 1-beta (IL-1β), tumor necrosis alpha (TNFα), p- Glycogen synthase kinase-3β (p-GSK3β) (Tyr216), and β-secretase (BACE1) gene expression were increased in socially isolated aluminum treated rats, yet, vinpocetine treatment reversed these deteriorating effects. Hence, this study provides profound insights into the role of vinpocetine in AD particularly in the conditions of social isolation. The effects of vinpocetine might be attributed not only to its antioxidant and anti-inflammatory properties, but also to its suppressing effect on GSK3β activity and its downstream BACE1.
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Affiliation(s)
- Azza A Ali
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Al-Azhar University, Cairo, Egypt
| | - Hebatalla I Ahmed
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Al-Azhar University, Cairo, Egypt; Pharmacology and Toxicology Department, Faculty of Pharmacy, Heliopolis University for sustainable development, Cairo, Egypt
| | - Sahar A Khaleel
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Al-Azhar University, Cairo, Egypt; Davis Heart and Lung Research Institute, Division of Cardiovascular Medicine, College of Medicine, The Ohio State University, Columbus, OH 43210, USA.
| | - Karema Abu-Elfotuh
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Al-Azhar University, Cairo, Egypt
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21
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Repurposing of the Nootropic Drug Vinpocetine as an Analgesic and Anti-Inflammatory Agent: Evidence in a Mouse Model of Superoxide Anion-Triggered Inflammation. Mediators Inflamm 2019; 2019:6481812. [PMID: 31049025 PMCID: PMC6462340 DOI: 10.1155/2019/6481812] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Revised: 09/27/2018] [Accepted: 12/10/2018] [Indexed: 12/18/2022] Open
Abstract
Clinically active drugs for the treatment of acute pain have their prescription limited due to the significant side effects they induce. An increase in reactive oxygen species (ROS) has been linked to several conditions, including inflammation and pain processing. Therefore, new or repurposed drugs with the ability of reducing ROS-triggered responses are promising candidates for analgesic drugs. Vinpocetine is a clinically used nootropic drug with antioxidant, anti-inflammatory, and analgesic properties. However, the effects of vinpocetine have not been investigated in a model with a direct relationship between ROS, inflammation, and pain. Based on that, we aimed to investigate the effects of vinpocetine in a model of superoxide anion-induced pain and inflammation using potassium superoxide (KO2) as a superoxide anion donor to trigger inflammation and pain. In the KO2 model, vinpocetine dose-dependently reduced pain-like behaviors (spontaneous pain and hyperalgesia), paw edema, and neutrophil and mononuclear cell recruitment to the paw skin (assessed by H&E staining, fluorescence, and enzymatic assays) and to the peritoneal cavity. Vinpocetine also restored tissue endogenous antioxidant ability and Nrf2 and Ho-1 mRNA expression and reduced superoxide anion production and gp91phox mRNA expression. We also observed the inhibition of IκBα degradation by vinpocetine, which demonstrates a reduction in the activation of NF-κB explaining the diminished production of IL-33, IL-1β, and TNF-α. Collectively, our data show that vinpocetine alleviates pain and inflammation induced by KO2, which is a mouse model with a direct role of ROS in triggering pain and other inflammatory phenomena. Thus, the results suggest the repurposing of vinpocetine as an anti-inflammatory and analgesic drug.
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Vinpocetine Ameliorates Acetic Acid-Induced Colitis by Inhibiting NF-κB Activation in Mice. Inflammation 2018; 41:1276-1289. [PMID: 29633103 DOI: 10.1007/s10753-018-0776-9] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
The idiopathic inflammatory bowel diseases (IBD) comprise two types of chronic intestinal disorders: Crohn's disease and ulcerative colitis. Recruited neutrophils and macrophages contribute to intestinal tissue damage via production of ROS and NF-κB-dependent pro-inflammatory cytokines. The introduction of anti-TNF-α therapies in the treatment of IBD patients was a seminal advance. This therapy is often limited by a loss of efficacy due to the development of adaptive immune response, underscoring the need for novel therapies targeting similar pathways. Vinpocetine is a nootropic drug and in addition to its antioxidant effect, it is known to have anti-inflammatory and analgesic properties, partly by inhibition of NF-κB and downstream cytokines. Therefore, the present study evaluated the effect of the vinpocetine in a model of acid acetic-induced colitis in mice. Treatment with vinpocetine reduced edema, MPO activity, microscopic score and macroscopic damage, and visceral mechanical hyperalgesia. Vinpocetine prevented the reduction of colonic levels of GSH, ABTS radical scavenging ability, and normalized levels of anti-inflammatory cytokine IL-10. Moreover, vinpocetine reduced NF-κB activation and thereby NF-κB-dependent pro-inflammatory cytokines IL-1β, TNF-α, and IL-33 in the colon. Thus, we demonstrate for the first time that vinpocetine has anti-inflammatory, antioxidant, and analgesic effects in a model of acid acetic-induced colitis in mice and deserves further screening to address its suitability as an approach for the treatment of IBD.
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Rajendrakumar SK, Revuri V, Samidurai M, Mohapatra A, Lee JH, Ganesan P, Jo J, Lee YK, Park IK. Peroxidase-Mimicking Nanoassembly Mitigates Lipopolysaccharide-Induced Endotoxemia and Cognitive Damage in the Brain by Impeding Inflammatory Signaling in Macrophages. NANO LETTERS 2018; 18:6417-6426. [PMID: 30247915 DOI: 10.1021/acs.nanolett.8b02785] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Oxidative stress during sepsis pathogenesis remains the most-important factor creating imbalance and dysregulation in immune-cell function, usually observed following initial infection. Hydrogen peroxide (H2O2), a potentially toxic reactive oxygen species (ROS), is excessively produced by pro-inflammatory immune cells during the initial phases of sepsis and plays a dominant role in regulating the pathways associated with systemic inflammatory immune activation. In the present study, we constructed a peroxide scavenger mannosylated polymeric albumin manganese dioxide (mSPAM) nanoassembly to catalyze the decomposition of H2O2 responsible for the hyper-activation of pro-inflammatory immune cells. In a detailed manner, we investigated the role of mSPAM nanoassembly in modulating the expression and secretion of pro-inflammatory markers elevated in bacterial lipopolysaccharide (LPS)-mediated endotoxemia during sepsis. Through a facile one-step solution-phase approach, hydrophilic bovine serum albumin reduced manganese dioxide (BM) nanoparticles were synthesized and subsequently self-assembled with cationic mannosylated disulfide cross-linked polyethylenimine (mSP) to formulate mSPAM nanoassembly. In particular, we observed that the highly stable mSPAM nanoassembly suppressed HIF1α expression by scavenging H2O2 in LPS-induced macrophage cells. Initial investigation revealed that a significant reduction of free radicals by the treatment of mSPAM nanoassembly has reduced the infiltration of neutrophils and other leukocytes in a local endotoxemia animal model. Furthermore, therapeutic studies in a systemic endotoxemia model demonstrated that mSPAM treatment reduced TNF-α and IL-6 inflammatory cytokines in serum, in turn circumventing organ damage done by the inflammatory macrophages. Interestingly, we also observed that the reduction of these inflammatory cytokines by mSPAM nanoassembly further prevented IBA-1 immuno-positive microglial cell activation in the brain and consequently improved the cognitive function of the animals. Altogether, the administration of mSPAM nanoassembly scavenged H2O2 and suppressed HIF1α expression in LPS-stimulated macrophages and thereby inhibited the progression of local and systemic inflammation as well as neuroinflammation in an LPS-induced endotoxemia model. This mSPAM nanoassembly system could serve as a potent anti-inflammatory agent, and we further anticipate its successful application in treating various inflammation-related diseases.
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Affiliation(s)
- Santhosh Kalash Rajendrakumar
- Department of Biomedical Science and BK21 PLUS Center for Creative Biomedical Scientists at Chonnam National University , Chonnam National University Medical School , Gwangju 61469 , Republic of Korea
| | - Vishnu Revuri
- Department of Green Bioengineering , Korea National University of Transportation , Chungju 27469 , Republic of Korea
| | - Manikandan Samidurai
- Department of Biomedical Science and BK21 PLUS Center for Creative Biomedical Scientists at Chonnam National University , Chonnam National University Medical School , Gwangju 61469 , Republic of Korea
- NeuroMedical Convergence Lab, Biomedical Research Institute , Chonnam National University Hospital , Jebong-ro, Gwangju 501-757 , Republic of Korea
| | - Adityanarayan Mohapatra
- Department of Biomedical Science and BK21 PLUS Center for Creative Biomedical Scientists at Chonnam National University , Chonnam National University Medical School , Gwangju 61469 , Republic of Korea
| | - Jae Hyuk Lee
- Department of Pathology , Chonnam National University Hwasun Hospital, Chonnam National University Medical School , Hwasun 58128 , Republic of Korea
| | - Palanivel Ganesan
- Nanotechnology Research Center, Department of Biotechnology and Applied Life Science, College of Biomedical and Health Science , Konkuk University GLOCAL Campus , Chungju 380-701 , Republic of Korea
| | - Jihoon Jo
- NeuroMedical Convergence Lab, Biomedical Research Institute , Chonnam National University Hospital , Jebong-ro, Gwangju 501-757 , Republic of Korea
| | - Yong-Kyu Lee
- Department of Green Bioengineering , Korea National University of Transportation , Chungju 27469 , Republic of Korea
| | - In-Kyu Park
- Department of Biomedical Science and BK21 PLUS Center for Creative Biomedical Scientists at Chonnam National University , Chonnam National University Medical School , Gwangju 61469 , Republic of Korea
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Ahmed HI, Abdel-Sattar SA, Zaky HS. Vinpocetine halts ketamine-induced schizophrenia-like deficits in rats: impact on BDNF and GSK-3β/β-catenin pathway. Naunyn Schmiedebergs Arch Pharmacol 2018; 391:1327-1338. [PMID: 30083945 DOI: 10.1007/s00210-018-1552-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Accepted: 07/31/2018] [Indexed: 01/03/2023]
Abstract
There are increasing evidences supporting the involvement of oxidative stress and neuroinflammation in schizophrenia. Vinpocetine, a nootropic phosphodiesterase-1 inhibitor, was proven to possess anti-oxidant and anti-inflammatory potentials. This research aimed to reveal the likely protective features of vinpocetine against ketamine-induced schizophrenia-like deficits in rats. Additionally, the probable mechanisms contributing to this neuroprotection were also elucidated. Vinpocetine was given (20 mg/kg, i.p.) once a day for 14 days commencing 7 days before administrating ketamine (25 mg/kg i.p.). Risperidone was applied as a reference antipsychotic. Vinpocetine pre-treatment revealed a marked amendment in the hyperlocomotion, anxiety, and short-term memory deficits induced by ketamine in rats. In rats' hippocampus, ketamine induced a drastic increase in tissue levels of dopamine, lipid peroxidation, and pro-inflammatory cytokines along with a significant decrease in glutamate, GABA, SOD, and total anti-oxidant capacity. Also, ketamine induced a reduced level of BDNF together with the potentiation of GSK-3β/β-catenin pathway that led to the destruction of β-catenin. Pre-treatment of ketamine-challenged animals with vinpocetine significantly attenuated oxidative stress, inflammation, and neurotransmitter alterations. Vinpocetine also elevated BDNF expression and prevented ketamine-induced stimulation of the GSK-3β/β-catenin signaling. This research presents enlightenments into the role of vinpocetine in schizophrenia. This role may be accomplished through its effect on oxidative stress, inflammation as well as modulating BDNF and the GSK-3β/β-catenin pathway.
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Affiliation(s)
- Hebatalla I Ahmed
- Department of Pharmacology and Toxicology, Faculty of Pharmacy (Girls), Al-Azhar University, Cairo, 11754, Egypt.
| | - Somaia A Abdel-Sattar
- Department of Pharmacology and Toxicology, Faculty of Pharmacy (Girls), Al-Azhar University, Cairo, 11754, Egypt
| | - Heba S Zaky
- Department of Pharmacology and Toxicology, Faculty of Pharmacy (Girls), Al-Azhar University, Cairo, 11754, Egypt
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Hussain G, Rasul A, Anwar H, Aziz N, Razzaq A, Wei W, Ali M, Li J, Li X. Role of Plant Derived Alkaloids and Their Mechanism in Neurodegenerative Disorders. Int J Biol Sci 2018; 14:341-357. [PMID: 29559851 PMCID: PMC5859479 DOI: 10.7150/ijbs.23247] [Citation(s) in RCA: 135] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Accepted: 12/18/2017] [Indexed: 12/18/2022] Open
Abstract
Neurodegenerative diseases are conventionally demarcated as disorders with selective loss of neurons. Conventional as well as newer molecules have been tested but they offer just symptomatic advantages along with abundant side effects. The discovery of more compelling molecules that can halt the pathology of these diseases will be considered as a miracle of present time. Several synthetic compounds are available but they may cause several other health issues. Therefore, natural molecules from the plants and other sources are being discovered to replace available medicines. In conventional medicational therapies, several plants have been reported to bestow remedial effects. Phytochemicals from medicinal plants can provide a better and safer alternative to synthetic molecules. Many phytochemicals have been identified that cure the human body from a number of diseases. The present article reviews the potential efficacy of plant-derived alkaloids, which possess potential therapeutic effects against several NDDs including Alzheimer's disease (AD), Huntington disease (HD), Parkinson's disease (PD), Epilepsy, Schizophrenia, and stroke. Alkaloids include isoquinoline, indole, pyrroloindole, oxindole, piperidine, pyridine, aporphine, vinca, β-carboline, methylxanthene, lycopodium, and erythrine byproducts. Alkaloids constitute positive roles in ameliorating pathophysiology of these illnesses by functioning as muscarinic and adenosine receptors agonists, anti-oxidant, anti-amyloid and MAO inhibitors, acetylcholinestrase and butyrylcholinesterase inhibitor, inhibitor of α-synuclein aggregation, dopaminergic and nicotine agonist, and NMDA antagonist.
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Affiliation(s)
- Ghulam Hussain
- The Key Laboratory of Molecular Epigenetics of MOE, Institute of Genetics and Cytology, Northeast Normal University, Changchun 130024, China
- Department of Physiology, Faculty of Life Sciences, Government College University, Faisalabad, 38000 Pakistan
| | - Azhar Rasul
- Department of Zoology, Faculty of Life Sciences, Government College University, Faisalabad, 38000 Pakistan
- Chemical Biology Research Group, RIKEN Center for Sustainable Resource Science. 2-1 Hirosawa, Wako, Saitama 351-0198 Japan
| | - Haseeb Anwar
- Department of Physiology, Faculty of Life Sciences, Government College University, Faisalabad, 38000 Pakistan
| | - Nimra Aziz
- Department of Physiology, Faculty of Life Sciences, Government College University, Faisalabad, 38000 Pakistan
| | - Aroona Razzaq
- Department of Physiology, Faculty of Life Sciences, Government College University, Faisalabad, 38000 Pakistan
| | - Wei Wei
- The Key Laboratory of Molecular Epigenetics of MOE, Institute of Genetics and Cytology, Northeast Normal University, Changchun 130024, China
- Dental Hospital, Jilin University, Changchun 130021, China
| | - Muhammad Ali
- Department of Zoology, Faculty of Life Sciences, Government College University, Faisalabad, 38000 Pakistan
| | - Jiang Li
- Dental Hospital, Jilin University, Changchun 130021, China
| | - Xiaomeng Li
- The Key Laboratory of Molecular Epigenetics of MOE, Institute of Genetics and Cytology, Northeast Normal University, Changchun 130024, China
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Fu J, Sun H, Zhang Y, Xu W, Wang C, Fang Y, Zhao J. Neuroprotective Effects of Luteolin Against Spinal Cord Ischemia–Reperfusion Injury by Attenuation of Oxidative Stress, Inflammation, and Apoptosis. J Med Food 2018; 21:13-20. [PMID: 28976796 DOI: 10.1089/jmf.2017.4021] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Affiliation(s)
- Jian Fu
- Department of Emergency, the Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
- Key Laboratory of Emergency Medicine of Hebei Province, the Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Haibin Sun
- Department of Emergency, the Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Yongzhe Zhang
- Department of Emergency, the Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Wei Xu
- Department of Emergency, the Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Chuan Wang
- Department of Emergency, the Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Yanwei Fang
- Department of Emergency, the Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Jianhui Zhao
- Department of Emergency, the Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
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Zhou J, Zhang J, Wang C, Qu S, Zhu Y, Yang Z, Wang L. Açaí ( Euterpe oleracea Mart.) attenuates alcohol-induced liver injury in rats by alleviating oxidative stress and inflammatory response. Exp Ther Med 2017; 15:166-172. [PMID: 29399060 PMCID: PMC5769297 DOI: 10.3892/etm.2017.5427] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Accepted: 04/28/2017] [Indexed: 01/03/2023] Open
Abstract
The present study aimed to investigate the therapeutic effects of Euterpe oleracea Mart. (EO) on alcoholic liver diseases (ALD). A total of 30 Wistar rats were randomly divided into three groups (10 rats per group), including alcohol group (alcohol intake), EO group (alcohol + EO puree intake) and control group (distilled water intake). The activity of superoxide dismutase (SOD) and alkaline phosphatase (ALP), alanine aminotransferase (ALT) and aspartate aminotransferase (AST) and the levels of cholesterol (CHO), triglyceride (TG), malondialdehyde (MDA) and glutathione (GSH) in the serum as well as the liver tissue levels of interleukin 8 (IL-8), tumor necrosis factor-α (TNF-α) and transforming growth factor-β (TGF-β) were measured. Histopathological changes in liver tissues were observed by hematoxylin and eosin staining. Reverse-transcription quantitative PCR analysis was performed for detecting the expression of nuclear factor (NF)-κB and CD68. The results indicated that EO intake significantly decreased ALT, AST, ALP, TG and CHO as well as the hepatic index in alcohol-treated rats. In addition, EO treatment relieved alcohol-induced oxidative stress by decreasing the levels of MDA and TG, and increasing the activity of SOD and GSH levels. In addition, the expression of TNF-α, TGF-β, IL-8, NF-κB and CD-68 in the liver were decreased by EO treatment. Furthermore, EO intake alleviated the histopathological liver damage, including severe steatosis and abundant infiltrated inflammatory cells. In conclusion, EO alleviated alcohol-induced liver injury in rats by alleviating oxidative stress and inflammatory response.
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Affiliation(s)
- Jianyu Zhou
- Department of Pharmaceutics of Chinese Materia Medica, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100029, P.R. China.,Department of Traditional Chinese Clinical Pharmacology, School of Preclinical Medicine, Beijing University of Chinese Medicine, Beijing 100029, P.R. China.,Department of Traditional Chinese Medicine, Chengde Medical University, Chengde, Hebei 067000, P.R. China
| | - Jianjun Zhang
- Department of Traditional Chinese Clinical Pharmacology, School of Preclinical Medicine, Beijing University of Chinese Medicine, Beijing 100029, P.R. China
| | - Chun Wang
- Department of Traditional Chinese Clinical Pharmacology, School of Preclinical Medicine, Beijing University of Chinese Medicine, Beijing 100029, P.R. China
| | - Shengsheng Qu
- Department of Traditional Chinese Clinical Pharmacology, School of Preclinical Medicine, Beijing University of Chinese Medicine, Beijing 100029, P.R. China
| | - Yingli Zhu
- Department of Traditional Chinese Clinical Pharmacology, School of Preclinical Medicine, Beijing University of Chinese Medicine, Beijing 100029, P.R. China
| | - Zhihui Yang
- Department of Psychiatry, University of Florida, Gainesville, FL 32608, USA
| | - Linyuan Wang
- Department of Pharmaceutics of Chinese Materia Medica, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100029, P.R. China
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28
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de Araújo JCB, Gondim DV, Cavalcante ALC, Lisboa MRP, de Castro Brito GA, Vale ML. Inflammatory pain assessment in the arthritis of the temporomandibular joint in rats: A comparison between two phlogistic agents. J Pharmacol Toxicol Methods 2017; 88:100-108. [PMID: 28797764 DOI: 10.1016/j.vascn.2017.08.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2017] [Revised: 07/21/2017] [Accepted: 08/05/2017] [Indexed: 12/01/2022]
Abstract
Temporomandibular joint (TMJ) disorders are a group of conditions that result in TMJ pain, which frequently limits basic daily activities. Experimental models that allow the study of the mechanisms underlying these inflammatory and pain conditions are of great clinical relevance. The aim of this study was to evaluate nociception, inflammation and participation of the macrophage/microglia cells in the arthritis of the TMJ induced by two phlogistic agents. 84 rats were divided into 2 groups: Zy, which received zymosan intra-articularly, or Cg, which received carrageenan intra-articularly. Mechanical nociception, total leukocyte influx to the synovial fluid and histopathological analyses were evaluated in the TMJ. The participation of macrophage/microglia located in trigeminal ganglia (TG) and in the subnucleus caudalis (V-SnC) was assessed immunohistochemically. Both agents induced mechanical hyperalgesia 6h after the induction, but a more persistent algesic state was perceived in the Cg group, which lasted for 120h. Even though both groups presented increased leukocyte influx, the Zy-group presented a more intense influx. Zymosan recruited resident macrophage in the trigeminal ganglia 24h after the injection. In the V-SnC, the group Cg presented a more prolonged immunolabeling pattern in comparison with the group Zy. It can be concluded that zymosan induced a more intense infiltrate and peripheral nervous changes, while Cg lead to a moderate TMJ inflammation with prominent changes in the V-SnC.
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Affiliation(s)
| | - Delane Viana Gondim
- Morphofunctional Sciences Post Graduation Program, Department of Morphology, Federal University of Ceará, Brazil
| | - André Luiz Cunha Cavalcante
- Medical Sciences Post Graduation Program, Department of Clinical Medicine, Federal University of Ceará, Brazil
| | - Mario Roberto Pontes Lisboa
- Morphofunctional Sciences Post Graduation Program, Department of Morphology, Federal University of Ceará, Brazil
| | - Gerly Anne de Castro Brito
- Morphofunctional Sciences Post Graduation Program, Department of Morphology, Federal University of Ceará, Brazil
| | - Mariana Lima Vale
- Pharmacology Post Graduation Program, Department of Physiology and Pharmacology, Federal University of Ceará, Brazil; Morphofunctional Sciences Post Graduation Program, Department of Morphology, Federal University of Ceará, Brazil.
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Probucol attenuates lipopolysaccharide-induced leukocyte recruitment and inflammatory hyperalgesia: effect on NF-кB activation and cytokine production. Eur J Pharmacol 2017; 809:52-63. [DOI: 10.1016/j.ejphar.2017.05.016] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2017] [Revised: 05/03/2017] [Accepted: 05/09/2017] [Indexed: 02/06/2023]
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30
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Probucol attenuates overt pain-like behavior and carrageenan-induced inflammatory hyperalgesia and leukocyte recruitment by inhibiting NF-кB activation and cytokine production without antioxidant effects. Inflamm Res 2017; 66:591-602. [DOI: 10.1007/s00011-017-1040-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2016] [Revised: 03/08/2017] [Accepted: 03/28/2017] [Indexed: 01/18/2023] Open
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Fattori V, Borghi SM, Guazelli CFS, Giroldo AC, Crespigio J, Bussmann AJC, Coelho-Silva L, Ludwig NG, Mazzuco TL, Casagrande R, Verri WA. Vinpocetine reduces diclofenac-induced acute kidney injury through inhibition of oxidative stress, apoptosis, cytokine production, and NF-κB activation in mice. Pharmacol Res 2017; 120:10-22. [PMID: 28315429 DOI: 10.1016/j.phrs.2016.12.039] [Citation(s) in RCA: 67] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2016] [Revised: 12/23/2016] [Accepted: 12/28/2016] [Indexed: 12/30/2022]
Abstract
Acute kidney injury (AKI) represents a complex clinical condition associated with significant morbidity and mortality. Approximately, 19-33% AKI episodes in hospitalized patients are related to drug-induced nephrotoxicity. Although, considered safe, non-steroidal anti-inflammatory drugs such as diclofenac have received special attention in the past years due to the potential risk of renal damage. Vinpocetine is a nootropic drug known to have anti-inflammatory properties. In this study, we investigated the effect and mechanisms of vinpocetine in a model of diclofenac-induced AKI. We observed that diclofenac increased proteinuria and blood urea, creatinine, and oxidative stress levels 24h after its administration. In renal tissue, diclofenac also increased oxidative stress and induced morphological changes consistent with renal damage. Moreover, diclofenac induced kidney cells apoptosis, up-regulated proinflammatory cytokines, and induced the activation of NF-κB in renal tissue. On the other hand, vinpocetine reduced diclofenac-induced blood urea and creatinine. In the kidneys, vinpocetine inhibited diclofenac-induced oxidative stress, morphological changes, apoptosis, cytokine production, and NF-κB activation. To our knowledge, this is the first study demonstrating that diclofenac-induced AKI increases NF-κB activation, and that vinpocetine reduces the nephrotoxic effects of diclofenac. Therefore, vinpocetine is a promising molecule for the treatment of diclofenac-induced AKI.
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Affiliation(s)
- Victor Fattori
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, 86057-970 Londrina, Paraná, Brazil
| | - Sergio M Borghi
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, 86057-970 Londrina, Paraná, Brazil
| | - Carla F S Guazelli
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, 86057-970 Londrina, Paraná, Brazil
| | - Andressa C Giroldo
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, 86057-970 Londrina, Paraná, Brazil
| | - Jefferson Crespigio
- Departamento de Medicina, Divisão de Endocrinologia, Centro de Ciências da Saúde, Universidade Estadual de Londrina, 86038-350 Londrina, Paraná, Brazil
| | - Allan J C Bussmann
- Laboratório de Anatomia Patológica, Centro de Ciências de Saúde, Universidade Estadual de Londrina, 86038-350 Londrina, Paraná, Brazil
| | - Letícia Coelho-Silva
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, 86057-970 Londrina, Paraná, Brazil
| | - Natasha G Ludwig
- Departamento de Medicina, Divisão de Endocrinologia, Centro de Ciências da Saúde, Universidade Estadual de Londrina, 86038-350 Londrina, Paraná, Brazil
| | - Tânia L Mazzuco
- Departamento de Medicina, Divisão de Endocrinologia, Centro de Ciências da Saúde, Universidade Estadual de Londrina, 86038-350 Londrina, Paraná, Brazil
| | - Rubia Casagrande
- Departamento de Ciências Farmacêuticas, Centro de Ciências da Saúde, Universidade Estadual de Londrina, 86038-350 Londrina, Paraná, Brazil
| | - Waldiceu A Verri
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, 86057-970 Londrina, Paraná, Brazil.
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Borghi SM, Pinho-Ribeiro FA, Fattori V, Bussmann AJC, Vignoli JA, Camilios-Neto D, Casagrande R, Verri WA. Quercetin Inhibits Peripheral and Spinal Cord Nociceptive Mechanisms to Reduce Intense Acute Swimming-Induced Muscle Pain in Mice. PLoS One 2016; 11:e0162267. [PMID: 27583449 PMCID: PMC5008838 DOI: 10.1371/journal.pone.0162267] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2015] [Accepted: 08/16/2016] [Indexed: 01/08/2023] Open
Abstract
The present study aimed to evaluate the effects of the flavonoid quercetin (3,3´,4´,5,7-pentahydroxyflavone) in a mice model of intense acute swimming-induced muscle pain, which resembles delayed onset muscle soreness. Quercetin intraperitoneal (i.p.) treatment dose-dependently reduced muscle mechanical hyperalgesia. Quercetin inhibited myeloperoxidase (MPO) and N-acetyl-β-D- glucosaminidase (NAG) activities, cytokine production, oxidative stress, cyclooxygenase-2 (COX-2) and gp91phox mRNA expression and muscle injury (creatinine kinase [CK] blood levels and myoblast determination protein [MyoD] mRNA expression) as well as inhibited NFκB activation and induced Nrf2 and HO-1 mRNA expression in the soleus muscle. Beyond inhibiting those peripheral effects, quercetin also inhibited spinal cord cytokine production, oxidative stress and glial cells activation (glial fibrillary acidic protein [GFAP] and ionized calcium-binding adapter molecule 1 [Iba-1] mRNA expression). Concluding, the present data demonstrate that quercetin is a potential molecule for the treatment of muscle pain conditions related to unaccustomed exercise.
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Affiliation(s)
- Sergio M. Borghi
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Rodovia Celso Garcia Cid, Km 380, PR445, Cx. Postal 10.011, 86057-970, Londrina, Paraná, Brasil
| | - Felipe A. Pinho-Ribeiro
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Rodovia Celso Garcia Cid, Km 380, PR445, Cx. Postal 10.011, 86057-970, Londrina, Paraná, Brasil
| | - Victor Fattori
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Rodovia Celso Garcia Cid, Km 380, PR445, Cx. Postal 10.011, 86057-970, Londrina, Paraná, Brasil
| | - Allan J. C. Bussmann
- Laboratório de Anatomia Patológica, Centro de Ciências de Saúde, Universidade Estadual de Londrina, Avenida Robert Koch, 60, Hospital Universitário, 86039-440, Londrina, Paraná, Brasil
| | - Josiane A. Vignoli
- Departamento de Bioquímica e Biotecnologia, Centro de Ciências Exatas, Universidade Estadual de Londrina, Rodovia Celso Garcia Cid, Km 380, PR445, Cx. Postal 10.011, 86057-970, Londrina, Paraná, Brasil
| | - Doumit Camilios-Neto
- Departamento de Bioquímica e Biotecnologia, Centro de Ciências Exatas, Universidade Estadual de Londrina, Rodovia Celso Garcia Cid, Km 380, PR445, Cx. Postal 10.011, 86057-970, Londrina, Paraná, Brasil
| | - Rubia Casagrande
- Departamento de Ciências Farmacêuticas, Centro de Ciências de Saúde, Universidade Estadual de Londrina, Avenida Robert Koch, 60, Hospital Universitário, 86039-440, Londrina, Paraná, Brasil
| | - Waldiceu A. Verri
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Rodovia Celso Garcia Cid, Km 380, PR445, Cx. Postal 10.011, 86057-970, Londrina, Paraná, Brasil
- * E-mail: ;
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33
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Martinez RM, Zarpelon AC, Domiciano TP, Georgetti SR, Baracat MM, Moreira IC, Andrei CC, Verri WA, Casagrande R. Antinociceptive Effect of Tephrosia sinapou Extract in the Acetic Acid, Phenyl-p-benzoquinone, Formalin, and Complete Freund's Adjuvant Models of Overt Pain-Like Behavior in Mice. SCIENTIFICA 2016; 2016:8656397. [PMID: 27293981 PMCID: PMC4880680 DOI: 10.1155/2016/8656397] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/28/2015] [Revised: 04/13/2016] [Accepted: 04/21/2016] [Indexed: 06/06/2023]
Abstract
Tephrosia toxicaria, which is currently known as Tephrosia sinapou (Buc'hoz) A. Chev. (Fabaceae), is a source of compounds such as flavonoids. T. sinapou has been used in Amazonian countries traditional medicine to alleviate pain and inflammation. The purpose of this study was to evaluate the analgesic effects of T. sinapou ethyl acetate extract in overt pain-like behavior models in mice by using writhing response and flinching/licking tests. We demonstrated in this study that T. sinapou extract inhibited, in a dose (1-100 mg/kg) dependent manner, acetic acid- and phenyl-p-benzoquinone- (PBQ-) induced writhing response. Furthermore, it was active via intraperitoneal, subcutaneous, and peroral routes of administration. T. sinapou extract also inhibited formalin- and complete Freund's adjuvant- (CFA-) induced flinching/licking at 100 mg/kg dose. In conclusion, these findings demonstrate that T. sinapou ethyl acetate extract reduces inflammatory pain in the acetic acid, PBQ, formalin, and CFA models of overt pain-like behavior. Therefore, the potential of analgesic activity of T. sinapou indicates that it deserves further investigation.
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Affiliation(s)
- Renata M. Martinez
- Department of Pharmaceutical Sciences, Health Science Centre, University Hospital, Londrina State University, Londrina, PR, Brazil
| | - Ana C. Zarpelon
- Departamento de Patologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, PR, Brazil
| | - Talita P. Domiciano
- Departamento de Patologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, PR, Brazil
| | - Sandra R. Georgetti
- Department of Pharmaceutical Sciences, Health Science Centre, University Hospital, Londrina State University, Londrina, PR, Brazil
| | - Marcela M. Baracat
- Department of Pharmaceutical Sciences, Health Science Centre, University Hospital, Londrina State University, Londrina, PR, Brazil
| | | | - Cesar C. Andrei
- Laboratório de Pesquisa em Moléculas Bioativas, Departamento de Química, Universidade Estadual de Londrina, Londrina, PR, Brazil
| | - Waldiceu A. Verri
- Departamento de Patologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, PR, Brazil
| | - Rubia Casagrande
- Department of Pharmaceutical Sciences, Health Science Centre, University Hospital, Londrina State University, Londrina, PR, Brazil
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34
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Yamacita-Borin FY, Zarpelon AC, Pinho-Ribeiro FA, Fattori V, Alves-Filho JC, Cunha FQ, Cunha TM, Casagrande R, Verri WA. Superoxide anion-induced pain and inflammation depends on TNFα/TNFR1 signaling in mice. Neurosci Lett 2015; 605:53-8. [PMID: 26291484 DOI: 10.1016/j.neulet.2015.08.015] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2015] [Revised: 08/11/2015] [Accepted: 08/11/2015] [Indexed: 11/27/2022]
Abstract
Inhibition of tumor necrosis factor-alpha (TNFα) and superoxide anion production reduces inflammation and pain. The present study investigated whether superoxide anion-induced pain depends on TNFα signaling and the role of superoxide anion in TNFα-induced hyperalgesia to clarify the interrelation between these two mediators in the context of pain. Intraplantar injection of a superoxide anion donor (potassium superoxide) induced mechanical hyperalgesia (0.5-5h after injection), neutrophil recruitment (myeloperoxidase activity), and overt pain-like behaviors (paw flinching, paw licking, and abdominal writhings) in wild-type mice. Tumor necrosis factor receptor 1 deficiency (TNFR1-/-) and treatment of wild-type mice with etanercept (a soluble TNFR2 receptor that inhibits TNFα actions) inhibited superoxide anion-induced pain-like behaviors. TNFR1(-/-) mice were also protected from superoxide anion donor-induced oxidative stress, suggesting the role of this pathway in the maintenance of oxidative stress. Finally, we demonstrated that Apocynin (an NADPH oxidase inhibitor) or Tempol (a superoxide dismutase mimetic) treatment inhibited TNFα-induced paw mechanical hyperalgesia and neutrophil recruitment (myeloperoxidase activity). These results demonstrate that TNFα/TNFR1 signaling is important in superoxide anion-triggered pain and that TNFα/TNFR1 signaling amplifies the oxidative stress triggered by superoxide anion, which contributes to sustaining pain and inflammation.
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Affiliation(s)
- Fabiane Y Yamacita-Borin
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Rod. Celso Garcia Cid KM380 PR445, Cx Postal 10.011, Londrina, Paraná, CEP 86057-970, Brazil; Departamento de Ciências Farmacêuticas, Centro de Ciências da Saúde, Universidade Estadual de Londrina, Av. Robert Koch 60, Londrina, Paraná, CEP 86038-350, Brazil
| | - Ana C Zarpelon
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Rod. Celso Garcia Cid KM380 PR445, Cx Postal 10.011, Londrina, Paraná, CEP 86057-970, Brazil
| | - Felipe A Pinho-Ribeiro
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Rod. Celso Garcia Cid KM380 PR445, Cx Postal 10.011, Londrina, Paraná, CEP 86057-970, Brazil
| | - Victor Fattori
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Rod. Celso Garcia Cid KM380 PR445, Cx Postal 10.011, Londrina, Paraná, CEP 86057-970, Brazil
| | - Jose C Alves-Filho
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Av. Bandeirantes 3900, Ribeirão Preto, São Paulo, CEP 14049-900, Brazil
| | - Fernando Q Cunha
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Av. Bandeirantes 3900, Ribeirão Preto, São Paulo, CEP 14049-900, Brazil
| | - Thiago M Cunha
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Av. Bandeirantes 3900, Ribeirão Preto, São Paulo, CEP 14049-900, Brazil
| | - Rubia Casagrande
- Departamento de Ciências Farmacêuticas, Centro de Ciências da Saúde, Universidade Estadual de Londrina, Av. Robert Koch 60, Londrina, Paraná, CEP 86038-350, Brazil
| | - Waldiceu A Verri
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Rod. Celso Garcia Cid KM380 PR445, Cx Postal 10.011, Londrina, Paraná, CEP 86057-970, Brazil.
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