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Liu S, Lu Q, Wang M, Guo H, Wang Y, Nong J, Wang S, Xia H, Xia T, Sun H. S-nitrosoglutathione reductase-dependent p65 denitrosation promotes osteoclastogenesis by facilitating recruitment of p65 to NFATc1 promoter. Bone 2024; 181:117036. [PMID: 38311303 DOI: 10.1016/j.bone.2024.117036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 12/26/2023] [Accepted: 02/01/2024] [Indexed: 02/10/2024]
Abstract
Osteoclasts, the exclusive bone resorptive cells, are indispensable for bone remodeling. Hence, understanding novel signaling modulators regulating osteoclastogenesis is clinically important. Nuclear factor of activated T-cells, cytoplasmic 1 (NFATc1) is a master transcription factor in osteoclastogenesis, and binding of NF-κB p65 subunit to NFATc1 promoter is required for its expression. It is well-established that DNA binding activity of p65 can be regulated by various post-translational modifications, including S-nitrosation. Recent studies have demonstrated that S-nitrosoglutathione reductase (GSNOR)-mediated protein denitrosation participated in cell fate commitment by regulating gene transcription. However, the role of GSNOR in osteoclastogenesis remains unexplored and enigmatic. Here, we investigated the effect of GSNOR-mediated denitrosation of p65 on osteoclastogenesis. Our results revealed that GSNOR was up-regulated during osteoclastogenesis in vitro. Moreover, GSNOR inhibition with a chemical inhibitor impaired osteoclast differentiation, podosome belt formation, and bone resorption activity. Furthermore, GSNOR inhibition enhanced the S-nitrosation level of p65, precluded the binding of p65 to NFATc1 promoter, and suppressed NFATc1 expression. In addition, mouse model of lipopolysaccharides (LPS)-induced calvarial osteolysis was employed to evaluate the therapeutic effect of GSNOR inhibitor in vivo. Our results indicated that GSNOR inhibitor treatment alleviated the inflammatory bone loss by impairing osteoclast formation in mice. Taken together, these data have shown that GSNOR activity is required for osteoclastogenesis by facilitating binding of p65 to NFATc1 promoter via promoting p65 denitrosation, suggesting that GSNOR may be a potential therapeutic target in the treatment of osteolytic diseases.
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Affiliation(s)
- Shumin Liu
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, China; School of Stomatology, Wuhan University, Wuhan 430079, China
| | - Qian Lu
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, China; School of Stomatology, Wuhan University, Wuhan 430079, China
| | - Min Wang
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, China; Department of Oral Implantology, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, China
| | - Huilin Guo
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, China; Department of Oral and Maxillofacial Surgery, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, China
| | - Yiwen Wang
- School of Stomatology, Wuhan University, Wuhan 430079, China
| | - Jingwen Nong
- School of Stomatology, Wuhan University, Wuhan 430079, China
| | - Shuo Wang
- School of Stomatology, Wuhan University, Wuhan 430079, China
| | - Haibin Xia
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, China; Department of Oral Implantology, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, China
| | - Ting Xia
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, China; Department of Oral Implantology, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, China.
| | - Huifang Sun
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, China; Center for Prosthodontics and Implant Dentistry, Optics Valley Branch, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, China.
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2
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Bright LME, Wu Y, Brisbois EJ, Handa H. Advances in Nitric Oxide-Releasing Hydrogels for Biomedical Applications. Curr Opin Colloid Interface Sci 2023; 66:101704. [PMID: 37694274 PMCID: PMC10489397 DOI: 10.1016/j.cocis.2023.101704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/12/2023]
Abstract
Hydrogels provide a plethora of advantages to biomedical treatments due to their highly hydrophilic nature and tissue-like mechanical properties. Additionally, the numerous and widespread endogenous roles of nitric oxide have led to an eruption in research developing biomimetic solutions to the many challenges the biomedical world faces. Though many design factors and fabrication details must be considered, utilizing hydrogels as nitric oxide delivery vehicles provides promising materials in several applications. Such applications include cardiovascular therapy, vasodilation and angiogenesis, antimicrobial treatments, wound dressings, and stem cell research. Herein, a recent update on the progress of NO-releasing hydrogels is presented in depth. In addition, considerations for the design and fabrication of hydrogels and specific biomedical applications of nitric oxide-releasing hydrogels are discussed.
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Affiliation(s)
- Lori M. Estes Bright
- School of Chemical, Materials, and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
| | - Yi Wu
- School of Chemical, Materials, and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
| | - Elizabeth J. Brisbois
- School of Chemical, Materials, and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
| | - Hitesh Handa
- School of Chemical, Materials, and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
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Wang X, Ao J, Lu H, Zhao Q, Ma Y, Zhang J, Ren H, Zhang Y. Osteoimmune Modulation and Guided Osteogenesis Promoted by Barrier Membranes Incorporated with S-Nitrosoglutathione (GSNO) and Mesenchymal Stem Cell-Derived Exosomes. Int J Nanomedicine 2020; 15:3483-3496. [PMID: 32523344 PMCID: PMC7237116 DOI: 10.2147/ijn.s248741] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Accepted: 05/05/2020] [Indexed: 12/11/2022] Open
Abstract
Background The use of polycaprolactone (PCL) for bone defects in a clinical setting is limited due to a lack of bioactivity. Exosomes derived from mesenchymal stem cells (MSCs) have an important immunoregulatory potential and together with S-nitrosoglutathione (GSNO) they possess therapeutic potential for bone regeneration. Materials and Methods In this study, PCL was modified with GSNO and MSC-derived exosomes and the impact on macrophages and osteogenes is evaluated. Results MSC-derived exosomes exhibited a cup-shaped morphology and were internalized by macrophages and human bone marrow-derived mesenchymal stromal cells (hBMSCs). The pattern of internalization of scaffold-immobilized exosomes was similar in RAW264.7 cells and hBMSCs after 4h and 24h of co-culture. Assessment of macrophage morphology under inflammatory conditions by scanning electronic microscopy (SEM) and confocal microscopy demonstrated macrophages were significantly elongated and expression of pro-inflammatory genes markedly decreased when co-cultured with PCL/PDA + GSNO + exosome scaffolds. Furthermore, this scaffold modification significantly enhanced osteogenic differentiation of hBMSCs. Discussion This study demonstrated the possibility of using a GSNO- and exosome-based strategy to adapt barrier membrane scaffolds. PCL/PDA + GSNO + exosome scaffolds may serve as an important barrier membrane for osteogenesis and tissue regeneration.
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Affiliation(s)
- Xin Wang
- Department of Orthopaedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi 563000, Guizhou, People's Republic of China.,Joint Orthopaedic Research Center of Zunyi Medical University & University of Rochester Medical Center (JCMR-ZMU & URMC), Zunyi Medical University, Zunyi 563000, Guizhou, People's Republic of China
| | - Jun Ao
- Department of Orthopaedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi 563000, Guizhou, People's Republic of China
| | - Haiping Lu
- Department of Orthopaedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi 563000, Guizhou, People's Republic of China
| | - Qingyu Zhao
- Department of Orthopaedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi 563000, Guizhou, People's Republic of China
| | - Yaping Ma
- Department of Orthopaedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi 563000, Guizhou, People's Republic of China.,Joint Orthopaedic Research Center of Zunyi Medical University & University of Rochester Medical Center (JCMR-ZMU & URMC), Zunyi Medical University, Zunyi 563000, Guizhou, People's Republic of China
| | - Jun Zhang
- Department of Orthopaedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi 563000, Guizhou, People's Republic of China
| | - Hao Ren
- Shenzhen Institute for Innovation and Translational Medicine, Shenzhen International Biological Valley-Life Science Industrial Park, Shenzhen, Guangdong 518119, People's Republic of China
| | - Yi Zhang
- Joint Orthopaedic Research Center of Zunyi Medical University & University of Rochester Medical Center (JCMR-ZMU & URMC), Zunyi Medical University, Zunyi 563000, Guizhou, People's Republic of China.,Department of Hygiene Toxicology, School of Public Health, Zunyi Medical University, Zunyi 563000, Guizhou, People's Republic of China
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H. M. Nascimento M, T. Pelegrino M, C. Pieretti J, B. Seabra A. How can nitric oxide help osteogenesis? AIMS MOLECULAR SCIENCE 2020. [DOI: 10.3934/molsci.2020003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
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Topical Host-Modulating Therapy for Periodontal Regeneration: A Systematic Review and Meta-Analysis. TISSUE ENGINEERING PART B-REVIEWS 2019; 25:526-543. [DOI: 10.1089/ten.teb.2019.0184] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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de Souza GFP, Denadai JP, Picheth GF, de Oliveira MG. Long-term decomposition of aqueous S-nitrosoglutathione and S-nitroso-N-acetylcysteine: Influence of concentration, temperature, pH and light. Nitric Oxide 2019; 84:30-37. [PMID: 30630056 DOI: 10.1016/j.niox.2019.01.002] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2018] [Revised: 11/17/2018] [Accepted: 01/04/2019] [Indexed: 02/03/2023]
Abstract
Primary S-nitrosothiols (RSNOs) have received significant attention for their ability to modulate NO signaling in many physiological and pathophysiological processes. Such actions and their potential pharmaceutical uses demand a better knowledge of their stability in aqueous solutions. Herein, we investigated the effects of concentration, temperature, pH, room light and metal ions on the long-term kinetic behavior of two representative primary RSNOs, S-nitrosoglutathione (GSNO) and S-nitroso-N-acetylcysteine (SNAC). The thermal decomposition of GSNO and SNAC were shown to be affected by the auto-catalytic action of the thiyl radicals. At 25 °C in the dark and protected from the catalytic action of metal ions, GSNO and SNAC solutions 1 mM showed half-lives of 49 and 76 days, and apparent activation energies of 84 ± 14 and 90 ± 6 kJ mol-1, respectively. Both GSNO and SNAC exhibited increased stability in the pH range 5-7. At high pH the decomposition pathway of GSNO involves the formation of an intermediate (GS-NO22-), which decomposes generating GSH and nitrite. GSNO solutions displayed lower sensitivity to the catalytic action of metal ions than SNAC and the exposure to room light led to a 5-fold increase in the initial rates of decomposition of both RSNOs. In all comparisons, SNAC solutions showed higher stability than GSNO solutions. These findings provide strategic information about the stability of GSNO and SNAC and may open new perspectives for their use as experimental or therapeutic NO donors.
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Affiliation(s)
| | | | - Guilherme F Picheth
- Institute of Chemistry, University of Campinas, UNICAMP, Campinas, SP, Brazil
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Fagone P, Mazzon E, Bramanti P, Bendtzen K, Nicoletti F. Gasotransmitters and the immune system: Mode of action and novel therapeutic targets. Eur J Pharmacol 2018; 834:92-102. [PMID: 30016662 DOI: 10.1016/j.ejphar.2018.07.026] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Revised: 06/29/2018] [Accepted: 07/13/2018] [Indexed: 12/12/2022]
Abstract
Gasotransmitters are a group of gaseous molecules, with pleiotropic biological functions. These molecules include nitric oxide (NO), hydrogen sulfide (H2S), and carbon monoxide (CO). Abnormal production and metabolism of these molecules have been observed in several pathological conditions. The understanding of the role of gasotransmitters in the immune system has grown significantly in the past years, and independent studies have shed light on the effect of exogenous and endogenous gasotransmitters on immune responses. Moreover, encouraging results come from the efficacy of NO-, CO- and H2S -donors in preclinical animal models of autoimmune, acute and chronic inflammatory diseases. To date, data on the influence of gasotransmitters in immunity and immunopathology are often scattered and partial, and the scarcity of clinical trials using NO-, CO- and H2S -donors, reveals that more effort is warranted. This review focuses on the role of gasotransmitters in the immune system and covers the evidences on the possible use of gasotransmitters for the treatment of inflammatory conditions.
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Affiliation(s)
- Paolo Fagone
- Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Emanuela Mazzon
- IRCCS Centro Neurolesi Bonino Pulejo, Stada Statale 113, C.da Casazza, 98124 Messina, Italy
| | - Placido Bramanti
- IRCCS Centro Neurolesi Bonino Pulejo, Stada Statale 113, C.da Casazza, 98124 Messina, Italy
| | - Klaus Bendtzen
- Institute for Inflammation Research, Rigshospitalet, Copenhagen, Denmark
| | - Ferdinando Nicoletti
- Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy.
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Champeau M, Póvoa V, Militão L, Cabrini FM, Picheth GF, Meneau F, Jara CP, de Araujo EP, de Oliveira MG. Supramolecular poly(acrylic acid)/F127 hydrogel with hydration-controlled nitric oxide release for enhancing wound healing. Acta Biomater 2018; 74:312-325. [PMID: 29777958 DOI: 10.1016/j.actbio.2018.05.025] [Citation(s) in RCA: 72] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Revised: 05/07/2018] [Accepted: 05/15/2018] [Indexed: 01/20/2023]
Abstract
Topical nitric oxide (NO) delivery has been shown to accelerate wound healing. However, delivering NO to wounds at appropriate rates and doses requires new biomaterial-based strategies. Here, we describe the development of supramolecular interpolymer complex hydrogels comprising PEO-PPO-PEO (F127) micelles embedded in a poly(acrylic acid) (PAA) matrix, with S-nitrosoglutathione (GSNO) molecules dissolved in the hydrophilic domain. We show that PAA:F127/GSNO hydrogels start releasing NO upon hydration at rates controlled by their rates of water absorption. SAXS measurements indicate that the supramolecular structure of the hydrogels retains long-range order domains of F127 micelles. The PAA/F1227 hydrogels displayed dense morphologies and reduced rates of hydration. The NO release rates remain constant over the first 200 min, are directly correlated with the hydration rates of the PAA:F127/GSNO hydrogels, and can be modulated in the range of 40 nmol/g h to 1.5 μmol/g h by changing the PAA:F127 mass ratio. Long-term NO-release profiles over 5 days are governed by the first-order exponential decay of GSNO, with half-lives in the range of 0.5-3.4 days. A preliminary in vivo study on full-thickness excisional wounds in mice showed that topical NO release from the PAA:F127/GSNO hydrogels is triggered by exudate absorption and leads to increased angiogenesis and collagen fiber organization, as well as TGF-β, IGF-1, SDF-1, and IL-10 gene expressions in the cicatricial tissue. In summary, these results suggest that hydration-controlled NO release from topical PAA:F127/GSNO hydrogels is a potential strategy for enhancing wound healing. STATEMENT OF SIGNIFICANCE The topical delivery of nitric oxide (NO) to wounds may provide significant beneficial results and represent a promising strategy to treat chronic wounds. However, wound dressings capable of releasing NO after application and allowing the modulation of NO release rates, demand new platforms. Here, we describe a novel strategy to overcome these challenges, based on the use of supramolecular poly(acrylic acid) (PAA):F127 hydrogels charged with the NO donor S-nitrosoglutathione (GSNO) from whereby the NO release can be triggered by exudate absorption and delivered to the wound at rates controlled by the PAA:F127 mass ratio. Preliminary in vivo results offer a proof of concept for this strategy by demonstrating increased angiogenesis; collagen fibers organization; and TGF-β, IGF-1, SDF-1, and IL-10 gene expressions in the cicatricial tissue after topical treatment with a PAA:F127/GSNO hydrogel.
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Wang X, Zhang Y, Ji W, Ao J. Categorising bone defect hematomas – Enhance early bone healing. Med Hypotheses 2018. [DOI: 10.1016/j.mehy.2018.02.029] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Bodas M, Silverberg D, Walworth K, Brucia K, Vij N. Augmentation of S-Nitrosoglutathione Controls Cigarette Smoke-Induced Inflammatory-Oxidative Stress and Chronic Obstructive Pulmonary Disease-Emphysema Pathogenesis by Restoring Cystic Fibrosis Transmembrane Conductance Regulator Function. Antioxid Redox Signal 2017; 27:433-451. [PMID: 28006950 PMCID: PMC5564030 DOI: 10.1089/ars.2016.6895] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
AIMS Cigarette smoke (CS)-mediated acquired cystic fibrosis transmembrane conductance regulator (CFTR)-dysfunction, autophagy-impairment, and resulting inflammatory-oxidative/nitrosative stress leads to chronic obstructive pulmonary disease (COPD)-emphysema pathogenesis. Moreover, nitric oxide (NO) signaling regulates lung function decline, and low serum NO levels that correlates with COPD severity. Hence, we aim to evaluate here the effects and mechanism(s) of S-nitrosoglutathione (GSNO) augmentation in regulating inflammatory-oxidative stress and COPD-emphysema pathogenesis. RESULTS Our data shows that cystic fibrosis transmembrane conductance regulator (CFTR) colocalizes with aggresome bodies in the lungs of COPD subjects with increasing emphysema severity (Global Initiative for Chronic Obstructive Lung Disease [GOLD] I - IV) compared to nonemphysema controls (GOLD 0). We further demonstrate that treatment with GSNO or S-nitrosoglutathione reductase (GSNOR)-inhibitor (N6022) significantly inhibits cigarette smoke extract (CSE; 5%)-induced decrease in membrane CFTR expression by rescuing it from ubiquitin (Ub)-positive aggresome bodies (p < 0.05). Moreover, GSNO restoration significantly (p < 0.05) decreases CSE-induced reactive oxygen species (ROS) activation and autophagy impairment (decreased accumulation of ubiquitinated proteins in the insoluble protein fractions and restoration of autophagy flux). In addition, GSNO augmentation inhibits protein misfolding as CSE-induced colocalization of ubiquitinated proteins and LC3B (in autophagy bodies) is significantly reduced by GSNO/N6022 treatment. We verified using the preclinical COPD-emphysema murine model that chronic CS (Ch-CS)-induced inflammation (interleukin [IL]-6/IL-1β levels), aggresome formation (perinuclear coexpression/colocalization of ubiquitinated proteins [Ub] and p62 [impaired autophagy marker], and CFTR), oxidative/nitrosative stress (p-Nrf2, inducible nitric oxide synthase [iNOS], and 3-nitrotyrosine expression), apoptosis (caspase-3/7 activity), and alveolar airspace enlargement (Lm) are significantly (p < 0.05) alleviated by augmenting airway GSNO levels. As a proof of concept, we demonstrate that GSNO augmentation suppresses Ch-CS-induced perinuclear CFTR protein accumulation (p < 0.05), which restores both acquired CFTR dysfunction and autophagy impairment, seen in COPD-emphysema subjects. INNOVATION GSNO augmentation alleviates CS-induced acquired CFTR dysfunction and resulting autophagy impairment. CONCLUSION Overall, we found that augmenting GSNO levels controls COPD-emphysema pathogenesis by reducing CS-induced acquired CFTR dysfunction and resulting autophagy impairment and chronic inflammatory-oxidative stress. Antioxid. Redox Signal. 27, 433-451.
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Affiliation(s)
- Manish Bodas
- 1 College of Medicine, Central Michigan University , Mt. Pleasant, Michigan
| | - David Silverberg
- 1 College of Medicine, Central Michigan University , Mt. Pleasant, Michigan
| | - Kyla Walworth
- 1 College of Medicine, Central Michigan University , Mt. Pleasant, Michigan
| | - Kathryn Brucia
- 1 College of Medicine, Central Michigan University , Mt. Pleasant, Michigan
| | - Neeraj Vij
- 1 College of Medicine, Central Michigan University , Mt. Pleasant, Michigan.,2 Department of Pediatrics and Pulmonary Medicine, The Johns Hopkins University School of Medicine , Baltimore, Maryland
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11
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Wang X, Friis TE, Masci PP, Crawford RW, Liao W, Xiao Y. Alteration of blood clot structures by interleukin-1 beta in association with bone defects healing. Sci Rep 2016; 6:35645. [PMID: 27767056 PMCID: PMC5073366 DOI: 10.1038/srep35645] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2016] [Accepted: 09/30/2016] [Indexed: 12/18/2022] Open
Abstract
The quality of hematomas are crucial for successful early bone defect healing, as the structure of fibrin clots can significantly influence the infiltration of cells, necessary for bone regeneration, from adjacent tissues into the fibrin network. This study investigated if there were structural differences between hematomas from normal and delayed healing bone defects and whether such differences were linked to changes in the expression of IL-1β. Using a bone defect model in rats, we found that the hematomas in the delayed healing model had thinner fibers and denser clot structures. Moreover, IL-1β protein levels were significantly higher in the delayed healing hematomas. The effects of IL-1β on the structural properties of human whole blood clots were evaluated by thrombelastograph (TEG), scanning electronic microscopy (SEM), compressive study, and thrombolytic assays. S-nitrosoglutathione (GSNO) was applied to modulate de novo hematoma structure and the impact on bone healing was evaluated in the delayed healing model. We found that GSNO produced more porous hematomas with thicker fibers and resulted in significantly enhanced bone healing. This study demonstrated that IL-1β and GSNO had opposing effects on clot architecture, the structure of which plays a pivotal role in early bone healing.
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Affiliation(s)
- Xin Wang
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, 4059 Queensland, Australia
- Department of Orthopaedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, 563000 Guizhou, China
- Australia-China Centre for Tissue Engineering and Regenerative Medicine, Queensland University of Technology, Brisbane, 4059 Queensland, Australia
- Translational Research Institute, School of Medicine, The University of Queensland, Brisbane, 4102 Queensland, Australia
| | - Thor E. Friis
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, 4059 Queensland, Australia
- Australia-China Centre for Tissue Engineering and Regenerative Medicine, Queensland University of Technology, Brisbane, 4059 Queensland, Australia
| | - Paul P. Masci
- Translational Research Institute, School of Medicine, The University of Queensland, Brisbane, 4102 Queensland, Australia
| | - Ross W. Crawford
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, 4059 Queensland, Australia
- Australia-China Centre for Tissue Engineering and Regenerative Medicine, Queensland University of Technology, Brisbane, 4059 Queensland, Australia
| | - Wenbo Liao
- Department of Orthopaedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, 563000 Guizhou, China
| | - Yin Xiao
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, 4059 Queensland, Australia
- Australia-China Centre for Tissue Engineering and Regenerative Medicine, Queensland University of Technology, Brisbane, 4059 Queensland, Australia
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12
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Samuvel DJ, Shunmugavel A, Singh AK, Singh I, Khan M. S-Nitrosoglutathione ameliorates acute renal dysfunction in a rat model of lipopolysaccharide-induced sepsis. ACTA ACUST UNITED AC 2016; 68:1310-9. [PMID: 27484743 DOI: 10.1111/jphp.12608] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2016] [Accepted: 07/05/2016] [Indexed: 12/18/2022]
Abstract
OBJECTIVE Sepsis induces an inflammatory response that results in acute renal failure (ARF). The current study is to evaluate the role of S-Nitrosoglutathione (GSNO) in renoprotection from lipopolysaccharide (LPS)-induced sepsis. METHODS Rats were divided to three groups. First group received LPS (5 mg/kg body weight), second group was treated with LPS + GSNO (50 μg/kg body weight), and third group was administered with vehicle (saline). They were sacrificed on day 1 and 3 post-LPS injection. Serum levels of nitric oxide (NO), creatinine and blood urea nitrogen (BUN) were analysed. Tissue morphology, T lymphocyte infiltrations, and the expression of inflammatory (TNF-α, iNOS) and anti-inflammatory (IL-10) mediators as well as glutathione (GSH) levels were determined. KEY FINDING Lipopolysaccharide significantly decreased body weight and increased cellular T lymphocyte infiltration, caspase-3 and iNOS and decreased PPAR-γ in renal tissue. NO, creatinine and BUN were significantly elevated after LPS challenge, and they significantly decreased after GSNO treatment. TNF-α level was found significantly increased in LPS-treated serum and kidney. GSNO treatment of LPS-challenged rats decreased caspase-3, iNOS, TNF-α, T lymphocyte infiltration and remarkably increased levels of IL-10, PPAR-γ and GSH. CONCLUSION GSNO can be used as a renoprotective agent for the treatment of sepsis-induced acute kidney injury.
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Affiliation(s)
- Devadoss J Samuvel
- Department of Pathology and Laboratory Medicine, Medical University of South Carolina, Charleston, SC, USA
| | | | - Avtar K Singh
- Department of Pathology and Laboratory Medicine, Medical University of South Carolina, Charleston, SC, USA
| | - Inderjit Singh
- Department of Pediatrics, Medical University of South Carolina, Charleston, SC, USA
| | - Mushfiquddin Khan
- Department of Pediatrics, Medical University of South Carolina, Charleston, SC, USA.
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13
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Wang X, Friis T, Glatt V, Crawford R, Xiao Y. Structural properties of fracture haematoma: current status and future clinical implications. J Tissue Eng Regen Med 2016; 11:2864-2875. [PMID: 27401283 DOI: 10.1002/term.2190] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2015] [Revised: 01/12/2016] [Accepted: 03/14/2016] [Indexed: 12/24/2022]
Abstract
Blood clots (haematomas) that form immediately following a bone fracture have been shown to be vital for the subsequent healing process. During the clotting process, a number of factors can influence the fibrin clot structure, such as fibrin polymerization, growth factor binding, cellular infiltration (including platelet retraction), protein concentrations and cytokines. The modulation of the fibrin clot structure within the fracture site has important clinical implications and could result in the development of multifunctional scaffolds that mimic the natural structure of a haematoma. Artificial haematoma structures such as these can be created from the patient's own blood and can therefore act as an ideal bone defect filling material for potential clinical application to accelerate bone regeneration. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- Xin Wang
- Department of Spine, Affiliated Hospital of Zunyi Medical College, Zunyi, People's Republic of China.,Science and Engineering Faculty, Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Australia.,Australia-China Centre for Tissue Engineering and Regenerative Medicine, Queensland University of Technology, Brisbane, Australia
| | - Thor Friis
- Science and Engineering Faculty, Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Australia.,Australia-China Centre for Tissue Engineering and Regenerative Medicine, Queensland University of Technology, Brisbane, Australia
| | - Vaida Glatt
- Science and Engineering Faculty, Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Australia
| | - Ross Crawford
- Science and Engineering Faculty, Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Australia.,Australia-China Centre for Tissue Engineering and Regenerative Medicine, Queensland University of Technology, Brisbane, Australia
| | - Yin Xiao
- Science and Engineering Faculty, Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Australia.,Australia-China Centre for Tissue Engineering and Regenerative Medicine, Queensland University of Technology, Brisbane, Australia
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Ganzarolli de Oliveira M. S-Nitrosothiols as Platforms for Topical Nitric Oxide Delivery. Basic Clin Pharmacol Toxicol 2016; 119 Suppl 3:49-56. [PMID: 27030007 DOI: 10.1111/bcpt.12588] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2016] [Accepted: 03/16/2016] [Indexed: 01/07/2023]
Abstract
Nitric oxide (NO) is a small radical species involved in several fundamental physiological processes, including the control of vascular tone, the immune response and neuronal signalling. Endothelial dysfunction with the decreased NO bioavailability is the underlying cause of several diseases and has led to the development of a wide range of systemic NO donor compounds to lower the blood pressure and control hypertensive crises. However, several potential therapeutic actions of NO, not related to the cardiovascular system, demand exclusively local actions. Primary S-nitrosothiols (RSNOs) are endogenously found NO carriers and donors and have emerged as platforms for the localized delivery of NO in topical applications. Formulations for this purpose have evolved from low molecular weight RSNOs incorporated in polymeric films, hydrogels and viscous vehicles, to polymeric RSNOs where the SNO moiety is covalently bound to the polymer backbone. The biological actions displayed by these formulations include the increase in dermal vasodilation, the acceleration of wound healing, the killing of infectious microorganisms and an analgesic action against inflammatory pain. This MiniReview focuses on the state of the art of experimental topical formulations for NO delivery based on S-nitrosothiols and their potential therapeutic applications.
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Martins CS, Leitão RFC, Costa DVS, Melo IM, Santos GS, Lima V, Baldim V, Wong DVT, Bonfim LE, Melo CB, G. de Oliveira M, Brito GAC. Topical HPMC/S-Nitrosoglutathione Solution Decreases Inflammation and Bone Resorption in Experimental Periodontal Disease in Rats. PLoS One 2016; 11:e0153716. [PMID: 27116554 PMCID: PMC4846037 DOI: 10.1371/journal.pone.0153716] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Accepted: 04/01/2016] [Indexed: 02/07/2023] Open
Abstract
S-nitrosoglutathione (GSNO) is a nitric oxide (NO) donor, which exerts antioxidant, anti-inflammatory, and microbicidal actions. Intragingival application of GSNO was already shown to decrease alveolar bone loss, inflammation and oxidative stress in an experimental periodontal disease (EPD) model. In the present study, we evaluated the potential therapeutic effect of topical applications of hydroxypropylmethylcellulose (HPMC)/GSNO solutions on EPD in Wistar rats. EPD was induced by placing a sterilized nylon (3.0) thread ligature around the cervix of the second left upper molar of the animals, which received topical applications of a HPMC solutions containing GSNO 2 or 10 mM or vehicle (HPMC solution), 1 h prior to the placement of the ligature and then twice daily until sacrifice on day 11. Treatment with HPMC/GSNO 10 mM solution significantly reduced alveolar bone loss, oxidative stress and TNF-α e IL-1β levels in the surrounding gingival tissue, and led to a decreased transcription of RANK and TNF-α genes and elevated bone alkaline phosphatase, compared to the HPMC group. In conclusion, topical application of HPMC/GSNO solution is a potential treatment to reduce inflammation and bone loss in periodontal disease.
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Affiliation(s)
- Conceição S. Martins
- Postgraduate Program in Morphofunctional Sciences, Department of Morphology, School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Renata F. C. Leitão
- Postgraduate Program in Morphofunctional Sciences, Department of Morphology, School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Deiziane V. S. Costa
- Postgraduate Program in Morphofunctional Sciences, Department of Morphology, School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Iracema M. Melo
- Department of Clinical Dentistry, Faculty of Pharmacy, Dentistry and Nursing, School of Dentistry. Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Glaylton S. Santos
- Postgraduate Program in Morphofunctional Sciences, Department of Morphology, School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Vilma Lima
- Department of Physiology and Pharmacology, School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Victor Baldim
- Institute of Chemistry, University of Campinas, UNICAMP, Campinas, São Paulo, Brazil
| | - Deysi V. T. Wong
- Department of Physiology and Pharmacology, School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Luana E. Bonfim
- Postgraduate Program in Morphofunctional Sciences, Department of Morphology, School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Cíntia B. Melo
- Postgraduate Program in Morphofunctional Sciences, Department of Morphology, School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Marcelo G. de Oliveira
- Institute of Chemistry, University of Campinas, UNICAMP, Campinas, São Paulo, Brazil
- * E-mail: (MGO); (GACB)
| | - Gerly A. C. Brito
- Postgraduate Program in Morphofunctional Sciences, Department of Morphology, School of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil
- * E-mail: (MGO); (GACB)
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Pasupuleti MK, Molahally SS, Salwaji S. Ethical guidelines, animal profile, various animal models used in periodontal research with alternatives and future perspectives. J Indian Soc Periodontol 2016; 20:360-368. [PMID: 28298815 PMCID: PMC5341308 DOI: 10.4103/0972-124x.186931] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Laboratory animal models serve as a facilitator to investigate the etiopathogenesis of periodontal disease, are used to know the efficacy of reconstructive and regenerative procedures, and are also helpful in evaluation of newer therapeutic techniques including laser and implant therapies prior to application in the human beings. The aim of this review is to know the different animal models used in various specialties of dental research and to know the ethical guidelines prior to the usage of experimental models with main emphasis on how to refine, replace, and reduce the number of animal models usage in the laboratory. An online search for experimental animal models used in dental research was performed using MEDLINE/PubMed database. Publications from 2009 to May 2013 in the specialty of periodontics were included in writing this review. A total of 652 references were published in PubMed/MEDLINE databases based on the search terms used. Out of 245 studies, 241 were related to the periodontal research published in English from 2009 to 2013. Relevant papers were chosen according to the inclusion and exclusion criteria. After extensive electronic and hand search on animal models, it has been observed that various animal models were used in dental research. Search on animal models used for dental research purpose revealed that various animals such as rats, mice, guinea pigs, rabbit, beagle dogs, goats, and nonhuman primates were extensively used. However, with the new advancement of ex vivo animal models, it has become easy to investigate disease pathogenesis and to test the efficacy of newer therapeutic modalities with the reduced usage of animal models. This review summarized the large amount of literature on animal models used in periodontal research with main emphasis on ethical guidelines and on reducing the animal model usage in future perspective.
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Affiliation(s)
- Mohan Kumar Pasupuleti
- Department of Periodontics, St. Joseph Dental College, Duggirala, Eluru, West Godavari, Andhra Pradesh, India
| | | | - Supraja Salwaji
- Department of Oral and Maxillofacial Pathology, St. Joseph Dental College, Duggirala, Eluru, West Godavari, Andhra Pradesh, India
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Skeff MA, Brito GAC, de Oliveira MG, Braga CM, Cavalcante MM, Baldim V, Holanda-Afonso RC, Silva-Boghossian CM, Colombo AP, Ribeiro RA, Moura-Neto V, Leitão RFC. S-nitrosoglutathione accelerates recovery from 5-fluorouracil-induced oral mucositis. PLoS One 2014; 9:e113378. [PMID: 25478918 PMCID: PMC4257535 DOI: 10.1371/journal.pone.0113378] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2014] [Accepted: 10/16/2014] [Indexed: 11/19/2022] Open
Abstract
Introduction Mucositis induced by anti-neoplastic drugs is an important, dose-limiting and costly side-effect of cancer therapy. Aim To evaluate the effect of the topical application of S-nitrosoglutathione (GSNO), a nitric oxide donor, on 5-fluorouracil (5-FU)-induced oral mucositis in hamsters. Materials and Methods Oral mucositis was induced in male hamsters by two intraperitoneal administrations of 5-FU on the first and second days of the experiment (60 and 40 mg/kg, respectively) followed by mechanical trauma on the fourth day. Animals received saline, HPMC or HPMC/GSNO (0.1, 0.5 or 2.0 mM) 1 h prior to the 5-FU injection and twice a day for 10 or 14 days. Samples of cheek pouches were harvested for: histopathological analysis, TNF-α and IL-1β levels, immunohistochemical staining for iNOS, TNF-α, IL-1β, Ki67 and TGF-β RII and a TUNEL assay. The presence and levels of 39 bacterial taxa were analyzed using the Checkerboard DNA-DNA hybridization method. The profiles of NO released from the HPMC/GSNO formulations were characterized using chemiluminescence. Results The HPMC/GSNO formulations were found to provide sustained release of NO for more than 4 h at concentration-dependent rates of 14 to 80 nmol/mL/h. Treatment with HPMC/GSNO (0.5 mM) significantly reduced mucosal damage, inflammatory alterations and cell death associated with 5-FU-induced oral mucositis on day 14 but not on day 10. HPMC/GSNO administration also reversed the inhibitory effect of 5-FU on cell proliferation on day 14. In addition, we observed that the chemotherapy significantly increased the levels and/or prevalence of several bacterial species. Conclusion Topical HPMC/GSNO accelerates mucosal recovery, reduces inflammatory parameters, speeds up re-epithelization and decreases levels of periodontopathic species in mucosal ulcers.
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Affiliation(s)
- Maria Adriana Skeff
- Laboratory of Cell Morphogenesis, Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil
- Department of Morphology, School of Medicine, Federal University of Ceará, Fortaleza, CE, Brazil
| | - Gerly A. C. Brito
- Department of Morphology, School of Medicine, Federal University of Ceará, Fortaleza, CE, Brazil
| | | | - Cintia M. Braga
- Department of Morphology, School of Medicine, Federal University of Ceará, Fortaleza, CE, Brazil
| | - Matheus M. Cavalcante
- Department of Morphology, School of Medicine, Federal University of Ceará, Fortaleza, CE, Brazil
| | - Victor Baldim
- Institute of Chemistry, University of Campinas, UNICAMP, Campinas, SP, Brazil
| | - Rosenilde C. Holanda-Afonso
- Laboratory of Cell Morphogenesis, Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Carina M. Silva-Boghossian
- Institute of Microbiology, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil
- Faculty of Dentistry, University of Grande Rio, Duque de Caxias, RJ, Brazil
| | - Ana Paula Colombo
- Institute of Microbiology, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Ronaldo A. Ribeiro
- Department of Physiology and Pharmacology, School of Medicine, Federal University of Ceará, Fortaleza, CE, Brazil
| | - Vivaldo Moura-Neto
- Laboratory of Cell Morphogenesis, Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil
- Instituto Estadual do Cérebro Paulo Niemeyer, Rio de Janeiro, RJ, Brazil
| | - Renata F. C. Leitão
- Department of Morphology, School of Medicine, Federal University of Ceará, Fortaleza, CE, Brazil
- * E-mail:
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18
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Mechanisms and targets of the modulatory action of S-nitrosoglutathione (GSNO) on inflammatory cytokines expression. Arch Biochem Biophys 2014; 562:80-91. [PMID: 25135357 DOI: 10.1016/j.abb.2014.08.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2014] [Revised: 08/04/2014] [Accepted: 08/05/2014] [Indexed: 02/07/2023]
Abstract
A number of experimental studies has documented that S-nitrosoglutathione (GSNO), the main endogenous low-molecular-weight S-nitrosothiol, can exert modulatory effects on inflammatory processes, thus supporting its potential employment in medicine for the treatment of important disease conditions. At molecular level, GSNO effects have been shown to modulate the activity of a series of transcription factors (notably NF-κB, AP-1, CREB and others) as well as other components of signal transduction chains (e.g. IKK-β, caspase 1, calpain and others), resulting in the modulation of several cytokines and chemokines expression (TNFα, IL-1β, IFN-γ, IL-4, IL-8, RANTES, MCP-1 and others). Results reported to date are however not univocal, and a single main mechanism of action for the observed anti-inflammatory effects of GSNO has not been identified. Conflicting observations can be explained by differences among the various cell types studies as to the relative abundance of enzymes in charge of GSNO metabolism (GSNO reductase, γ-glutamyltransferase, protein disulfide isomerase and others), as well as by variables associated with the individual experimental models employed. Altogether, anti-inflammatory properties of GSNO seem however to prevail, and exploration of the therapeutic potential of GSNO and analogues appears therefore warranted.
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Costa ISF, de Souza GFP, de Oliveira MG, Abrahamsohn IDA. S-nitrosoglutathione (GSNO) is cytotoxic to intracellular amastigotes and promotes healing of topically treated Leishmania major or Leishmania braziliensis skin lesions--authors' response. J Antimicrob Chemother 2014; 69:2302-3. [DOI: 10.1093/jac/dku223] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
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20
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Gokhale SR, Padhye AM. Future prospects of systemic host modulatory agents in periodontal therapy. Br Dent J 2014; 214:467-71. [PMID: 23660908 DOI: 10.1038/sj.bdj.2013.432] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/26/2013] [Indexed: 12/24/2022]
Abstract
Periodontitis is an inflammatory disease caused by microbial infection that leads to destruction of supporting tissues of the teeth. The periodontal tissue destruction is a result of both microbial activity as well as host response. The best chance for clinical improvement may come from implementing complementary treatment strategies that target different aspects of the periodontal balance. Host response modulation, in combination with conventional treatment, offers to restore the balance between health and disease progression in the direction of a healing response. Various host modulatory therapies (HMT) have been developed or proposed to block pathways responsible for periodontal tissue break down. The newer drugs like bortezomib, infliximb, etanercept, vasoactive intestinal peptide, nitric oxide synthase inhibitors and denosumab are developed as a result of better understanding of pathogenesis of inflammatory tissue destruction and may represent the future of periodontal therapy. This review article focuses on the potential systemic host modulatory agents that target cell signalling pathways, cytokines and enzymes.
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Affiliation(s)
- S R Gokhale
- Department of Periodontology and Implantology, M. A. Rangoonwala College of Dental Sciences and Research Centre, PUNE-411,001, Maharashtra, India.
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Mizuno M, Miyazawa K, Tabuchi M, Tanaka M, Yoshizako M, Yamane C, Torii Y, Maeda H, Goto S. A New Experimental Mouse Model of Periodontitis Using an Orthodontic Ligature Wire. J HARD TISSUE BIOL 2014. [DOI: 10.2485/jhtb.23.255] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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22
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Prudente A, Riccetto CLZ, Simões MMDSG, Pires BM, Oliveira MGD. Impregnation of implantable polypropylene mesh with S-nitrosoglutathione-loaded poly(vinyl alcohol). Colloids Surf B Biointerfaces 2013; 108:178-84. [DOI: 10.1016/j.colsurfb.2013.02.018] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2012] [Revised: 01/14/2013] [Accepted: 02/11/2013] [Indexed: 02/07/2023]
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23
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Dalcico R, de Menezes AMA, Deocleciano OB, Oriá RB, Vale ML, Ribeiro RA, Brito GADC. Protective Mechanisms of Simvastatin in Experimental Periodontal Disease. J Periodontol 2013. [DOI: 10.1902/jop.2012.120114] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Marchetti E, Monaco A, Procaccini L, Mummolo S, Gatto R, Tetè S, Baldini A, Tecco S, Marzo G. Periodontal disease: the influence of metabolic syndrome. Nutr Metab (Lond) 2012; 9:88. [PMID: 23009606 PMCID: PMC3499456 DOI: 10.1186/1743-7075-9-88] [Citation(s) in RCA: 77] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2012] [Accepted: 08/27/2012] [Indexed: 01/11/2023] Open
Abstract
Metabolic syndrome (MetS) is a cluster of cardiovascular risk factors that include obesity, impaired glucose tolerance or diabetes, hyperinsulinemia, hypertension, and dyslipidemia. Recently, more attention has been reserved to the correlation between periodontitis and systemic health. MetS is characterized by oxidative stress, a condition in which the equilibrium between the production and the inactivation of reactive oxygen species (ROS) becomes disrupted. ROS have an essential role in a variety of physiological systems, but under a condition of oxidative stress, they contribute to cellular dysfunction and damage. Oxidative stress may act as a common link to explain the relationship between each component of MetS and periodontitis. All those conditions show increased serum levels of products derived from oxidative damage, promoting a proinflammatory state. Moreover, adipocytokines, produced by the fat cells of fat tissue, might modulate the balance between oxidant and antioxidant activities. An increased caloric intake involves a higher metabolic activity, which results in an increased production of ROS, inducing insulin resistance. At the same time, obese patients require more insulin to maintain blood glucose homeostasis – a state known as hyperinsulinemia, a condition that can evolve into type 2 diabetes. Oxidation products can increase neutrophil adhesion and chemotaxis, thus favoring oxidative damage. Hyperglycemia and an oxidizing state promote the genesis of advanced glycation end-products, which could also be implicated in the degeneration and damage of periodontal tissue. Thus, MetS, the whole of interconnected factors, presents systemic and local manifestations, such as cardiovascular disease and periodontitis, related by a common factor known as oxidative stress.
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Affiliation(s)
- Enrico Marchetti
- Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
| | - Annalisa Monaco
- Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
| | - Laura Procaccini
- Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
| | - Stefano Mummolo
- Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
| | - Roberto Gatto
- Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
| | - Stefano Tetè
- Department of Oral Science, Nano and Biotechnology, University of Chieti, Chieti, Italy
| | - Alberto Baldini
- Department of Oral Science, University of Tor Vergata, Rome, Italy
| | - Simona Tecco
- Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
| | - Giuseppe Marzo
- Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
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