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Kurachi T, Ishimaru H, Tadakuma R, Okaue M, Koda A, Ueda Y, Doi T. Mucopolysaccharide polysulfate increases local skin blood volume through nitric oxide production. J Dermatol Sci 2024; 114:133-140. [PMID: 38834380 DOI: 10.1016/j.jdermsci.2024.05.001] [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: 10/19/2023] [Revised: 04/05/2024] [Accepted: 05/06/2024] [Indexed: 06/06/2024]
Abstract
BACKGROUND Mucopolysaccharide polysulfate (MPS) is widely used as an active ingredient in topical preparations for the treatment of asteatosis and blood flow disorders. Although topical MPS products can increase cutaneous blood flow (CBF), the underlying mechanism remains unclear. OBJECTIVE In this study, we aimed to elucidate how MPS increases CBF. We investigated the association of nitric oxide (NO), a powerful mediator associated with increased local blood volume, with the blood flow-accelerating action of MPS in mice. In addition, we verified the effects of MPS on NO production in different skin cell types, such as keratinocytes (KCs), endothelial cells (ECs), and dermal fibroblasts (DFs). METHODS We used raster-scanning optoacoustic imaging mesoscopy to observe in vivo changes in the skin blood volume. NO production was determined in each cell using an NO indicator. An enzyme-linked immunoassay was used to measure the phosphorylated nitric oxide synthase (NOS) levels in ECs, DFs, and KCs in the presence or absence of MPS. RESULTS Topical application of MPS increased the skin blood volume in mice, and this increase was abolished through the addition of NOS inhibitors. MPS promoted the dose-dependent production of NO in various cells, which caused alterations in the phosphorylation state of NOS. CONCLUSION Our findings demonstrate that MPS promotes an increase in skin blood volume and NO production in various skin cell types. These results suggest that MPS can potentially accelerate CBF through the NO biosynthesis pathway in different skin cell types.
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Affiliation(s)
- Tam Kurachi
- Drug Development Research Laboratories, Kyoto R&D Center, Maruho Co., Ltd., Kyoto, Japan.
| | - Hironobu Ishimaru
- Drug Development Research Laboratories, Kyoto R&D Center, Maruho Co., Ltd., Kyoto, Japan.
| | - Ryo Tadakuma
- Drug Development Research Laboratories, Kyoto R&D Center, Maruho Co., Ltd., Kyoto, Japan
| | - Miu Okaue
- Drug Development Research Laboratories, Kyoto R&D Center, Maruho Co., Ltd., Kyoto, Japan
| | - Akira Koda
- Drug Development Research Laboratories, Kyoto R&D Center, Maruho Co., Ltd., Kyoto, Japan
| | - Yuhki Ueda
- Drug Development Research Laboratories, Kyoto R&D Center, Maruho Co., Ltd., Kyoto, Japan
| | - Takaaki Doi
- Drug Development Research Laboratories, Kyoto R&D Center, Maruho Co., Ltd., Kyoto, Japan
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Singh RM, Chaudhari SS, Panda S, Hutfless EH, Heim CE, Shinde D, Alqarzaee AA, Sladek M, Kumar V, Zimmerman MC, Fey PD, Kielian T, Thomas VC. A critical role for staphylococcal nitric oxide synthase in controlling flavohemoglobin toxicity. Redox Biol 2023; 67:102935. [PMID: 37864875 PMCID: PMC10594633 DOI: 10.1016/j.redox.2023.102935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 10/02/2023] [Accepted: 10/13/2023] [Indexed: 10/23/2023] Open
Abstract
Most coagulase-negative staphylococcal species, including the opportunistic pathogen Staphylococcus epidermidis, struggle to maintain redox homeostasis and grow under nitrosative stress. Under these conditions, growth can only resume once nitric oxide (NO) is detoxified by the flavohemoglobin Hmp. Paradoxically, S. epidermidis produces endogenous NO through its genetically encoded nitric oxide synthase (seNOS) and heavily relies on its activity for growth. In this study, we investigate the basis of the growth advantage attributed to seNOS activity. Our findings reveal that seNOS supports growth by countering Hmp toxicity. S. epidermidis relies on Hmp activity for its survival in the host under NO stress. However, in the absence of nitrosative stress, Hmp generates significant amounts of the harmful superoxide radical (O2•-) from its heme prosthetic group which impedes growth. To limit Hmp toxicity, nitrite (NO2-) derived from seNOS promotes CymR-CysK regulatory complex activity, which typically regulates cysteine metabolism, but we now demonstrate to also repress hmp transcription. These findings reveal a critical mechanism through which the bacterial NOS-Hmp axis drives staphylococcal fitness.
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Affiliation(s)
- Ryan M Singh
- Center for Staphylococcal Research, Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE, 68198-5900, USA
| | - Sujata S Chaudhari
- Center for Staphylococcal Research, Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE, 68198-5900, USA
| | - Sasmita Panda
- Center for Staphylococcal Research, Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE, 68198-5900, USA
| | - Elizabeth H Hutfless
- Center for Staphylococcal Research, Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE, 68198-5900, USA
| | - Cortney E Heim
- Center for Staphylococcal Research, Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE, 68198-5900, USA
| | - Dhananjay Shinde
- Center for Staphylococcal Research, Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE, 68198-5900, USA
| | - Abdulelah A Alqarzaee
- Center for Staphylococcal Research, Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE, 68198-5900, USA
| | - Margaret Sladek
- Center for Staphylococcal Research, Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE, 68198-5900, USA
| | - Vineet Kumar
- Center for Staphylococcal Research, Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE, 68198-5900, USA
| | - Matthew C Zimmerman
- Cellular and Integrative Physiology, University of Nebraska Medical Center, Omaha, NE, 68198-5900, USA
| | - Paul D Fey
- Center for Staphylococcal Research, Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE, 68198-5900, USA
| | - Tammy Kielian
- Center for Staphylococcal Research, Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE, 68198-5900, USA
| | - Vinai C Thomas
- Center for Staphylococcal Research, Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE, 68198-5900, USA.
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Feibel D, Golda J, Held J, Awakowicz P, Schulz-von der Gathen V, Suschek CV, Opländer C, Jansen F. Gas Flow-Dependent Modification of Plasma Chemistry in μAPP Jet-Generated Cold Atmospheric Plasma and Its Impact on Human Skin Fibroblasts. Biomedicines 2023; 11:biomedicines11051242. [PMID: 37238913 DOI: 10.3390/biomedicines11051242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 04/17/2023] [Accepted: 04/19/2023] [Indexed: 05/28/2023] Open
Abstract
The micro-scaled Atmospheric Pressure Plasma Jet (µAPPJ) is operated with low carrier gas flows (0.25-1.4 slm), preventing excessive dehydration and osmotic effects in the exposed area. A higher yield of reactive oxygen or nitrogen species (ROS or RNS) in the µAAPJ-generated plasmas (CAP) was achieved, due to atmospheric impurities in the working gas. With CAPs generated at different gas flows, we characterized their impact on physical/chemical changes of buffers and on biological parameters of human skin fibroblasts (hsFB). CAP treatments of buffer at 0.25 slm led to increased concentrations of nitrate (~352 µM), hydrogen peroxide (H2O2; ~124 µM) and nitrite (~161 µM). With 1.40 slm, significantly lower concentrations of nitrate (~10 µM) and nitrite (~44 µM) but a strongly increased H2O2 concentration (~1265 µM) was achieved. CAP-induced toxicity of hsFB cultures correlated with the accumulated H2O2 concentrations (20% at 0.25 slm vs. ~49% at 1.40 slm). Adverse biological consequences of CAP exposure could be reversed by exogenously applied catalase. Due to the possibility of being able to influence the plasma chemistry solely by modulating the gas flow, the therapeutic use of the µAPPJ represents an interesting option for clinical use.
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Affiliation(s)
- Dennis Feibel
- Department of Orthopedics Trauma Surgery, Medical Faculty of the Heinrich Heine University, 40225 Düsseldorf, Germany
| | - Judith Golda
- Plasma Interface Physics, Ruhr University Bochum, 44801 Bochum, Germany
| | - Julian Held
- Experimental Physics II, Ruhr University Bochum, 44801 Bochum, Germany
| | - Peter Awakowicz
- Institute for Electrical Engineering and Plasma Technology, Ruhr University Bochum, 44801 Bochum, Germany
| | | | - Christoph V Suschek
- Department of Orthopedics Trauma Surgery, Medical Faculty of the Heinrich Heine University, 40225 Düsseldorf, Germany
| | - Christian Opländer
- Institute for Research in Operative Medicine (IFOM), Witten/Herdecke University, 51109 Cologne, Germany
| | - Florian Jansen
- Department of Orthopedics Trauma Surgery, Medical Faculty of the Heinrich Heine University, 40225 Düsseldorf, Germany
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Hu S, Simon JE, Wang M, Wu Y, Huang Y, Wu Q. Kinkéliba ( Combretum micranthum) Leaf Extract Alleviates Skin Inflammation: In Vitro and In Vivo Study. Molecules 2023; 28:1791. [PMID: 36838778 PMCID: PMC9964726 DOI: 10.3390/molecules28041791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Revised: 02/05/2023] [Accepted: 02/08/2023] [Indexed: 02/16/2023] Open
Abstract
Kinkéliba (Combretum micranthum, Seh-Haw in Wolof) is a popular bush tea in West African countries. Although the kinkéliba plant's leaves have been widely consumed for its nutritional and medicinal properties, its benefits on skin health potential have been practically untouched. In human epidermal primary keratinocytes, vitexin and isovitexin-rich kinkéliba extract treatment significantly (p < 0.001) enhanced up to 39.6% of the cell survival rate decreased by UV radiation irritation. The treatment of kinkéliba leaf extracts also reduced the production of UV-induced pro-inflammatory cytokines IL-6 and IL-8 by 57.6% and 42.5%, respectively (p < 0.001), which cause skin redness and skin barrier dysfunction, as well as wrinkles and collagen degradation. The anti-inflammation efficacy of kinkéliba leaf extracts might involve significant inhibition on the levels of cellular reactive oxygen species (ROS) (-70.8%, p < 0.001) and nitrotyrosine (-56.9%, p < 0.05). Further topical applications of kinkéliba leaf extract gel were found to reduce sodium lauryl sulfate (SLS)-induced skin inflammation: at D7, the skin trans-epidermal water loss (TEWL) and skin redness (a* value) were both reduced by 59.81% (p < 0.001) and 22.4% (p < 0.001), compared with D0. In vitro and in vivo data support a new topical application of the kinkéliba leaf as an effective active ingredient for the treatment of skin inflammation, as well as subsequent barrier dysfunction and inflammaging.
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Affiliation(s)
- Shuting Hu
- Research & Innovation Center, Acaderma Inc., San Francisco, CA 94111, USA
| | - James E. Simon
- Rutgers Core Facility for Natural Products & Bioanalysis and The New Use Agriculture and Natural Plant Products Program, Department of Plant Biology, School of Environmental and Biological Sciences, Rutgers University, 59 Dudley Road, New Brunswick, NJ 08901, USA
| | - Mingfu Wang
- School of Biological Science, The University of Hong Kong, Pokfulam, Hongkong, China
| | - Yizhen Wu
- Research & Innovation Center, Acaderma Inc., San Francisco, CA 94111, USA
- School of Biological Science, The University of Hong Kong, Pokfulam, Hongkong, China
| | - Yumin Huang
- Research & Innovation Center, Acaderma Inc., San Francisco, CA 94111, USA
- School of Biological Science, The University of Hong Kong, Pokfulam, Hongkong, China
| | - Qingli Wu
- Rutgers Core Facility for Natural Products & Bioanalysis and The New Use Agriculture and Natural Plant Products Program, Department of Plant Biology, School of Environmental and Biological Sciences, Rutgers University, 59 Dudley Road, New Brunswick, NJ 08901, USA
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Feibel D, Kwiatkowski A, Opländer C, Grieb G, Windolf J, Suschek CV. Enrichment of Bone Tissue with Antibacterially Effective Amounts of Nitric Oxide Derivatives by Treatment with Dielectric Barrier Discharge Plasmas Optimized for Nitrogen Oxide Chemistry. Biomedicines 2023; 11:biomedicines11020244. [PMID: 36830781 PMCID: PMC9953554 DOI: 10.3390/biomedicines11020244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 01/13/2023] [Accepted: 01/14/2023] [Indexed: 01/20/2023] Open
Abstract
Cold atmospheric plasmas (CAPs) generated by dielectric barrier discharge (DBD), particularly those containing higher amounts of nitric oxide (NO) or NO derivates (NOD), are attracting increasing interest in medical fields. In the present study, we, for the first time, evaluated DBD-CAP-induced NOD accumulation and therapeutically relevant NO release in calcified bone tissue. This knowledge is of great importance for the development of new therapies against bacterial-infectious complications during bone healing, such as osteitis or osteomyelitis. We found that by modulating the power dissipation in the discharge, it is possible (1) to significantly increase the uptake of NODs in bone tissue, even into deeper regions, (2) to significantly decrease the pH in CAP-exposed bone tissue, (3) to induce a long-lasting and modulable NO production in the bone samples as well as (4) to significantly protect the treated bone tissue against bacterial contaminations, and to induce a strong bactericidal effect in bacterially infected bone samples. Our results strongly suggest that the current DBD technology opens up effective NO-based therapy options in the treatment of local bacterial infections of the bone tissue through the possibility of a targeted modulation of the NOD content in the generated CAPs.
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Affiliation(s)
- Dennis Feibel
- Department for Orthopedics and Trauma Surgery, Medical Faculty, Heinrich-Heine-University Düsseldorf, Moorenstraße 5, 40225 Düsseldorf, Germany
| | - Alexander Kwiatkowski
- Department for Orthopedics and Trauma Surgery, Medical Faculty, Heinrich-Heine-University Düsseldorf, Moorenstraße 5, 40225 Düsseldorf, Germany
| | - Christian Opländer
- Institute for Research in Operative Medicine (IFOM), Cologne-Merheim Medical Center, University Witten/Herdecke, 58455 Witten-Herdecke, Germany
| | - Gerrit Grieb
- Department of Plastic Surgery and Hand Surgery, Burn Centre, Medical Faculty, RWTH Aachen University, 52074 Aachen, Germany
| | - Joachim Windolf
- Department for Orthopedics and Trauma Surgery, Medical Faculty, Heinrich-Heine-University Düsseldorf, Moorenstraße 5, 40225 Düsseldorf, Germany
| | - Christoph V. Suschek
- Department for Orthopedics and Trauma Surgery, Medical Faculty, Heinrich-Heine-University Düsseldorf, Moorenstraße 5, 40225 Düsseldorf, Germany
- Correspondence:
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Rizwan H, Kumar S, Kumari G, Pal A. High glucose-induced increasing reactive nitrogen species accumulation triggered mitochondrial dysfunction, inflammation, and apoptosis in keratinocytes. Life Sci 2022; 312:121208. [PMID: 36427546 DOI: 10.1016/j.lfs.2022.121208] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 11/12/2022] [Accepted: 11/15/2022] [Indexed: 11/24/2022]
Abstract
Growing evidence indicates that skin injuries are a common complication of diabetes. However, the cellular and molecular mechanisms of high glucose (HG) environment trigger nitrosative stress-mediated inflammation and apoptosis in keratinocytes remains unknown. Here we investigated whether reactive nitrogen species (RNS) induced by HG environment restrain antioxidant activity, and mitochondrial dysfunction leading to inflammation, and apoptosis via stress signaling pathways in keratinocytes. Our results established that the HG environment enhanced the production of nitric oxide (NO) and peroxynitrite anion (ONOO-) by inducible NO synthase (iNOS) in keratinocytes. Overproduction of RNS in HG environment suppress the antioxidants activity leading to mitochondrial dysfunction, characterized by loss of mitochondrial membrane potential (ΔΨm), increase in mitochondrial mass, decrease in mitochondrial transcription factor A(TFAM), increase in mitochondrial DNA (mtDNA) displacement loop (D-loop) and decrease in glycolytic flux concentration, which was attenuated by pharmacological inhibitors of NO/ONOO-, Nω-Nitro-l-argininemethyl ester hydrochloride (NAME)/hydralazine hydrochloride (Hyd.HCl). Excess production of RNS in HG environment restrained 8-oxoguanine DNA glycosylase-1 (OGG1) expression and increased 8-hydroxydeoxyguanosine (8-OHdG) accumulations in DNA were regulated by NO or ONOO-. Further, HG-induced RNA production caused an increase in the production of inflammatory mediators accompanied by activation of ERK1/2MAPK/Akt/tuberin-mTOR/IRF3 signaling cascade, lipid peroxidation (LPO), and protein carbonylation (PC) reactions followed by breakdown the cell-cell communication and apoptosis. Pre-treatment of cell with NAME/Hyd.HCl, diminished the expression of ERK1/2MAPK/Akt/tuberin-mTOR/IRF3, inflammatory mediators, and attenuated apoptosis in keratinocytes. Together, our results indicated that excess production of RNS in HG environment triggered inflammation and apoptosis, mediated by activation of ERK1/2MAPK/Akt/tuberin-mTOR/IRF3 signaling cascades in keratinocytes.
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Affiliation(s)
- Huma Rizwan
- School of Biotechnology, Kalinga Institute of Industrial Technology, Bhubaneswar 751024, India
| | - Sonu Kumar
- Department of Zoology, School of Life Sciences, Mahatma Gandhi Central University, Motihari, Bihar 845401, India
| | - Golden Kumari
- Department of Zoology, School of Life Sciences, Mahatma Gandhi Central University, Motihari, Bihar 845401, India
| | - Arttatrana Pal
- School of Biotechnology, Kalinga Institute of Industrial Technology, Bhubaneswar 751024, India; Department of Zoology, School of Life Sciences, Mahatma Gandhi Central University, Motihari, Bihar 845401, India.
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Enhancement of Nitric Oxide Bioavailability by Modulation of Cutaneous Nitric Oxide Stores. Biomedicines 2022; 10:biomedicines10092124. [PMID: 36140225 PMCID: PMC9496039 DOI: 10.3390/biomedicines10092124] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 08/22/2022] [Accepted: 08/26/2022] [Indexed: 11/17/2022] Open
Abstract
The generation of nitric oxide (NO) in the skin plays a critical role in wound healing and the response to several stimuli, such as UV exposure, heat, infection, and inflammation. Furthermore, in the human body, NO is involved in vascular homeostasis and the regulation of blood pressure. Physiologically, a family of enzymes termed nitric oxide synthases (NOS) generates NO. In addition, there are many methods of non-enzymatic/NOS-independent NO generation, e.g., the reduction of NO derivates (NODs) such as nitrite, nitrate, and nitrosylated proteins under certain conditions. The skin is the largest and heaviest human organ and contains a comparatively high concentration of these NODs; therefore, it represents a promising target for many therapeutic strategies for NO-dependent pathological conditions. In this review, we give an overview of how the cutaneous NOD stores can be targeted and modulated, leading to a further accumulation of NO-related compounds and/or the local and systemic release of bioactive NO, and eventually, NO-related physiological effects with a potential therapeutical use for diseases such as hypertension, disturbed microcirculation, impaired wound healing, and skin infections.
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Carvalho LAC, Queijo RG, Baccaro ALB, Siena ÁDD, Silva WA, Rodrigues T, Maria-Engler SS. Redox-Related Proteins in Melanoma Progression. Antioxidants (Basel) 2022; 11:438. [PMID: 35326089 PMCID: PMC8944639 DOI: 10.3390/antiox11030438] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 02/05/2022] [Accepted: 02/14/2022] [Indexed: 02/06/2023] Open
Abstract
Melanoma is the most aggressive type of skin cancer. Despite the available therapies, the minimum residual disease is still refractory. Reactive oxygen and nitrogen species (ROS and RNS) play a dual role in melanoma, where redox imbalance is involved from initiation to metastasis and resistance. Redox proteins modulate the disease by controlling ROS/RNS levels in immune response, proliferation, invasion, and relapse. Chemotherapeutics such as BRAF and MEK inhibitors promote oxidative stress, but high ROS/RNS amounts with a robust antioxidant system allow cells to be adaptive and cooperate to non-toxic levels. These proteins could act as biomarkers and possible targets. By understanding the complex mechanisms involved in adaptation and searching for new targets to make cells more susceptible to treatment, the disease might be overcome. Therefore, exploring the role of redox-sensitive proteins and the modulation of redox homeostasis may provide clues to new therapies. This study analyzes information obtained from a public cohort of melanoma patients about the expression of redox-generating and detoxifying proteins in melanoma during the disease stages, genetic alterations, and overall patient survival status. According to our analysis, 66% of the isoforms presented differential expression on melanoma progression: NOS2, SOD1, NOX4, PRX3, PXDN and GPX1 are increased during melanoma progression, while CAT, GPX3, TXNIP, and PRX2 are decreased. Besides, the stage of the disease could influence the result as well. The levels of PRX1, PRX5 and PRX6 can be increased or decreased depending on the stage. We showed that all analyzed isoforms presented some genetic alteration on the gene, most of them (78%) for increased mRNA expression. Interestingly, 34% of all melanoma patients showed genetic alterations on TRX1, most for decreased mRNA expression. Additionally, 15% of the isoforms showed a significant reduction in overall patient survival status for an altered group (PRX3, PRX5, TR2, and GR) and the unaltered group (NOX4). Although no such specific antioxidant therapy is approved for melanoma yet, inhibitors or mimetics of these redox-sensitive proteins have achieved very promising results. We foresee that forthcoming investigations on the modulation of these proteins will bring significant advances for cancer therapy.
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Affiliation(s)
- Larissa A. C. Carvalho
- Department of Clinical and Toxicological Analysis, School of Pharmaceutical Sciences, University of São Paulo, Avenida Professor Lineu Prestes, 580, São Paulo 05508-00, SP, Brazil; (L.A.C.C.); (R.G.Q.)
| | - Rodrigo G. Queijo
- Department of Clinical and Toxicological Analysis, School of Pharmaceutical Sciences, University of São Paulo, Avenida Professor Lineu Prestes, 580, São Paulo 05508-00, SP, Brazil; (L.A.C.C.); (R.G.Q.)
| | - Alexandre L. B. Baccaro
- Centro de Pós-Graduação e Pesquisa Oswaldo Cruz, Faculdade Oswaldo Cruz, Rua Brigadeiro Galvão, 535, Sao Paulo 01151-000, SP, Brazil;
| | - Ádamo D. D. Siena
- Department of Genetics, Ribeirão Preto Medical School, University of São Paulo, Avenida Bandeirantes, 3900, Ribeirao Preto 14049-900, SP, Brazil; (Á.D.D.S.); (W.A.S.J.)
| | - Wilson A. Silva
- Department of Genetics, Ribeirão Preto Medical School, University of São Paulo, Avenida Bandeirantes, 3900, Ribeirao Preto 14049-900, SP, Brazil; (Á.D.D.S.); (W.A.S.J.)
| | - Tiago Rodrigues
- Center for Natural and Human Sciences, Federal University of ABC, Avenida dos Estados, 5001, Santo Andre 09210-580, SP, Brazil;
| | - Silvya Stuchi Maria-Engler
- Department of Clinical and Toxicological Analysis, School of Pharmaceutical Sciences, University of São Paulo, Avenida Professor Lineu Prestes, 580, São Paulo 05508-00, SP, Brazil; (L.A.C.C.); (R.G.Q.)
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Kandhwal M, Behl T, Kumar A, Arora S. Understanding the Potential Role and Delivery Approaches of Nitric Oxide in Chronic Wound Healing Management. Curr Pharm Des 2021; 27:1999-2014. [PMID: 33106138 DOI: 10.2174/1381612826666201026152209] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Accepted: 09/22/2020] [Indexed: 11/22/2022]
Abstract
Nitric oxide (NO) is a promising pharmaceutical component that has vasodilator, anti-bacterial, and wound healing activities. Chronic ulcers are non-healing disorders that are generally associated with distortion of lower limbs. Among the severe consequence derivatives of these diseases are the problems of chronic wound progression. NO, which is categorized as the smallest gaseous neurotransmitter, has beneficial effects in different phases of chronic inflammation. The defensive mechanism of NO is found useful in several severe conditions, such as gestational healing, gastrointestinal healing, and diabetic healing. The current review presents an updated collection of literature about the role of NO in chronic ulcers due to the prevalence of diabetes, DPN, and diabetic foot ulcers, and because of the lack of available effective treatments to directly address the pathology contributing to these conditions, novel treatments are being sought. This review also collects information about deficiency of NO synthase in diabetic patients, leading to a lack of vascularization of the peripheral nerves, which causes diabetic neuropathy, and this could be treated with vasodilators such as nitric oxide. Apart from the pharmacological mechanism of NO, the article also reviewed and analyzed to elucidate the potential of transdermal delivery of NO for the treatment of chronic ulcers.
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Affiliation(s)
- Mimansa Kandhwal
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Tapan Behl
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Arun Kumar
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Sandeep Arora
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
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Banerjee M, Ferragut Cardoso A, Al-Eryani L, Pan J, Kalbfleisch TS, Srivastava S, Rai SN, States JC. Dynamic alteration in miRNA and mRNA expression profiles at different stages of chronic arsenic exposure-induced carcinogenesis in a human cell culture model of skin cancer. Arch Toxicol 2021; 95:2351-2365. [PMID: 34032870 PMCID: PMC8241660 DOI: 10.1007/s00204-021-03084-2] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Accepted: 05/17/2021] [Indexed: 12/22/2022]
Abstract
Chronic arsenic exposure causes skin cancer, although the underlying molecular mechanisms are not well defined. Altered microRNA and mRNA expression likely play a pivotal role in carcinogenesis. Changes in genome-wide differential expression of miRNA and mRNA at 3 strategic time points upon chronic sodium arsenite (As3+) exposure were investigated in a well-validated HaCaT cell line model of arsenic-induced cutaneous squamous cell carcinoma (cSCC). Quadruplicate independent HaCaT cell cultures were exposed to 0 or 100 nM As3+ for up to 28-weeks (wk). Cell growth was monitored throughout the course of exposure and epithelial-mesenchymal transition (EMT) was examined employing immunoblot. Differentially expressed miRNA and mRNA profiles were generated at 7, 19, and 28-wk by RNA-seq, followed by identification of differentially expressed mRNA targets of differentially expressed miRNAs through expression pairing at each time point. Pathway analyses were performed for total differentially expressed mRNAs and for the miRNA targeted mRNAs at each time point. RNA-seq predictions were validated by immunoblot of selected target proteins. While the As3+-exposed cells grew slower initially, growth was equal to that of unexposed cells by 19-wk (transformation initiation), and exposed cells subsequently grew faster than passage-matched unexposed cells. As3+-exposed cells had undergone EMT at 28-wk. Pathway analyses demonstrate dysregulation of carcinogenesis-related pathways and networks in a complex coordinated manner at each time point. Immunoblot data largely corroborate RNA-seq predictions in the endoplasmic reticulum stress (ER stress) pathway. This study provides a detailed molecular picture of changes occurring during the arsenic-induced transformation of human keratinocytes.
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Affiliation(s)
- Mayukh Banerjee
- Department of Pharmacology and Toxicology, University of Louisville, Louisville, KY, USA
| | - Ana Ferragut Cardoso
- Department of Pharmacology and Toxicology, University of Louisville, Louisville, KY, USA
| | - Laila Al-Eryani
- Department of Pharmacology and Toxicology, University of Louisville, Louisville, KY, USA
- Knowledge Management and Special Projects Branch, Center for Strategic Scientific Initiatives (HNC1L), National Cancer Institute, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Jianmin Pan
- Biostatistics and Bioinformatics Facility, James Graham Brown Cancer Center, University of Louisville, Louisville, KY, USA
- Biostatistics and Informatics Facility, Center for Integrative Environmental Health Sciences, University of Louisville, Louisville, KY, USA
| | - Theodore S Kalbfleisch
- Department of Biochemistry and Molecular Genetics, University of Louisville, Louisville, KY, USA
- Gluck Equine Research Center, University of Kentucky, Lexington, KY, USA
| | - Sudhir Srivastava
- Department of Bioinformatics and Biostatistics, University of Louisville, Louisville, KY, USA
- Centre for Agricultural Bioinformatics, ICAR-Indian Agricultural Statistics Research Institute, New Delhi, 110012, India
| | - Shesh N Rai
- Biostatistics and Bioinformatics Facility, James Graham Brown Cancer Center, University of Louisville, Louisville, KY, USA
- Department of Bioinformatics and Biostatistics, University of Louisville, Louisville, KY, USA
- Biostatistics and Informatics Facility, Center for Integrative Environmental Health Sciences, University of Louisville, Louisville, KY, USA
| | - J Christopher States
- Department of Pharmacology and Toxicology, University of Louisville, Louisville, KY, USA.
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11
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Gutierrez Cisneros C, Bloemen V, Mignon A. Synthetic, Natural, and Semisynthetic Polymer Carriers for Controlled Nitric Oxide Release in Dermal Applications: A Review. Polymers (Basel) 2021; 13:760. [PMID: 33671032 PMCID: PMC7957520 DOI: 10.3390/polym13050760] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 02/21/2021] [Accepted: 02/25/2021] [Indexed: 02/07/2023] Open
Abstract
Nitric oxide (NO•) is a free radical gas, produced in the human body to regulate physiological processes, such as inflammatory and immune responses. It is required for skin health; therefore, a lack of NO• is known to cause or worsen skin conditions related to three biomedical applications- infection treatment, injury healing, and blood circulation. Therefore, research on its topical release has been increasing for the last two decades. The storage and delivery of nitric oxide in physiological conditions to compensate for its deficiency is achieved through pharmacological compounds called NO-donors. These are further incorporated into scaffolds to enhance therapeutic treatment. A wide range of polymeric scaffolds has been developed and tested for this purpose. Hence, this review aims to give a detailed overview of the natural, synthetic, and semisynthetic polymeric matrices that have been evaluated for antimicrobial, wound healing, and circulatory dermal applications. These matrices have already set a solid foundation in nitric oxide release and their future perspective is headed toward an enhanced controlled release by novel functionalized semisynthetic polymer carriers and co-delivery synergetic platforms. Finally, further clinical tests on patients with the targeted condition will hopefully enable the eventual commercialization of these systems.
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Affiliation(s)
- Carolina Gutierrez Cisneros
- Surface and Interface Engineered Materials, Campus Group T, KU Leuven, Andreas Vesaliusstraat 13, 3000 Leuven, Belgium; (C.G.C.); (V.B.)
| | - Veerle Bloemen
- Surface and Interface Engineered Materials, Campus Group T, KU Leuven, Andreas Vesaliusstraat 13, 3000 Leuven, Belgium; (C.G.C.); (V.B.)
- Prometheus, Division of Skeletal Tissue Engineering, KU Leuven, Herestraat 49, 3000 Leuven, Belgium
| | - Arn Mignon
- Surface and Interface Engineered Materials, Campus Group T, KU Leuven, Andreas Vesaliusstraat 13, 3000 Leuven, Belgium; (C.G.C.); (V.B.)
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12
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Oliver S, Pham TTP, Li Y, Xu FJ, Boyer C. More than skin deep: using polymers to facilitate topical delivery of nitric oxide. Biomater Sci 2021; 9:391-405. [PMID: 32856653 DOI: 10.1039/d0bm01197e] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Skin, the largest organ in the human body, provides several important functions, including providing protection from mechanical impacts, micro-organisms, radiation and chemicals; regulation of body temperature; the sensations of touch and temperature; and the synthesis of several substances including vitamin D, melanin, and keratin. Common dermatological disorders (CDDs) include inflammatory or immune-mediated skin diseases, skin infection, skin cancer, and wounds. In the treatment of skin disorders, topical administration has advantages over other routes of administration, and polymers are widely used as vehicles to facilitate the delivery of topical therapeutic agents, serving as matrices to keep therapeutic agents in contact with the skin. Nitric oxide (NO), a cellular signalling molecule, has attracted significant interest in treating a broad spectrum of diseases, including various skin disorders. However, there are a number of challenges in effectively delivering NO. It must be delivered in a controlled manner at sufficient concentrations to be efficacious and the delivery system must be stable during storage. The use of polymer-based systems to deliver NO topically can be an effective strategy to overcome these challenges. There are three main approaches for incorporating NO with polymers in topical delivery systems: (i) physical incorporation of NO donors into polymer bases; (ii) covalent attachment of NO donors to polymers; and (iii) encapsulation of NO donors in polymer-based particles. The latter two approaches provide the greatest control over NO release and have been used by numerous researchers in treating CDDs, including chronic wounds and skin cancer.
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Affiliation(s)
- Susan Oliver
- Australian Centre for NanoMedicine (ACN) and Centre for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney, Australia 2052.
| | - Thi Thu Phuong Pham
- Australian Centre for NanoMedicine (ACN) and Centre for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney, Australia 2052.
| | - Yang Li
- State Key Laboratory of Chemical Resource Engineering, Key Lab of Biomedical Materials of Natural Macromolecules (Beijing University of Chemical Technology, Ministry of Education), Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China
| | - Fu-Jian Xu
- State Key Laboratory of Chemical Resource Engineering, Key Lab of Biomedical Materials of Natural Macromolecules (Beijing University of Chemical Technology, Ministry of Education), Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China
| | - Cyrille Boyer
- Australian Centre for NanoMedicine (ACN) and Centre for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney, Australia 2052.
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13
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Bahadoran Z, Carlström M, Mirmiran P, Ghasemi A. Nitric oxide: To be or not to be an endocrine hormone? Acta Physiol (Oxf) 2020; 229:e13443. [PMID: 31944587 DOI: 10.1111/apha.13443] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 01/05/2020] [Accepted: 01/10/2020] [Indexed: 01/02/2023]
Abstract
Nitric oxide (NO), a highly reactive gasotransmitter, is critical for a number of cellular processes and has multiple biological functions. Due to its limited lifetime and diffusion distance, NO has been mainly believed to act in autocrine/paracrine fashion. The increasingly recognized effects of pharmacologically delivered and endogenous NO at a distant site have changed the conventional wisdom and introduced NO as an endocrine signalling molecule. The notion is greatly supported by the detection of a number of NO adducts and their circulatory cycles, which in turn contribute to the transport and delivery of NO bioactivity, remote from the sites of its synthesis. The existence of endocrine sites of synthesis, negative feedback regulation of biosynthesis, integrated storage and transport systems, having an exclusive receptor, that is, soluble guanylyl cyclase (sGC), and organized circadian rhythmicity make NO something beyond a simple autocrine/paracrine signalling molecule that could qualify for being an endocrine signalling molecule. Here, we discuss hormonal features of NO from the classical endocrine point of view and review available knowledge supporting NO as a true endocrine hormone. This new insight can provide a new framework within which to reinterpret NO biology and its clinical applications.
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Affiliation(s)
- Zahra Bahadoran
- Nutrition and Endocrine Research Center Research Institute for Endocrine Sciences Shahid Beheshti University of Medical Sciences Tehran Iran
| | - Mattias Carlström
- Department of Physiology and Pharmacology Karolinska Institutet Stockholm Sweden
| | - Parvin Mirmiran
- Department of Clinical Nutrition and Dietetics Faculty of Nutrition Sciences and Food Technology National Nutrition and Food Technology Research Institute Shahid Beheshti University of Medical Sciences Tehran Iran
| | - Asghar Ghasemi
- Endocrine Physiology Research Center Research Institute for Endocrine Sciences Shahid Beheshti University of Medical Sciences Tehran Iran
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14
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Yarlagadda K, Hassani J, Foote IP, Markowitz J. The role of nitric oxide in melanoma. Biochim Biophys Acta Rev Cancer 2017; 1868:500-509. [PMID: 28963068 DOI: 10.1016/j.bbcan.2017.09.005] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2017] [Revised: 09/24/2017] [Accepted: 09/25/2017] [Indexed: 12/16/2022]
Abstract
Nitric oxide (NO) is a small gaseous signaling molecule that mediates its effects in melanoma through free radical formation and enzymatic processes. Investigations have demonstrated multiple roles for NO in melanoma pathology via immune surveillance, apoptosis, angiogenesis, melanogenesis, and on the melanoma cell itself. In general, elevated levels of NO prognosticate a poor outcome for melanoma patients. However, there are processes where the relative concentration of NO in different environments may also serve to limit melanoma proliferation. This review serves to outline the roles of NO in melanoma development and proliferation. As demonstrated by multiple in vivo murine models and observations from human tissue, NO may promote melanoma formation and proliferation through its interaction via inhibitory immune cells, inhibition of apoptosis, stimulation of pro-tumorigenic cytokines, activation of tumor associated macrophages, alteration of angiogenic processes, and stimulation of melanoma formation itself.
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Affiliation(s)
- Keerthi Yarlagadda
- Department of Cutaneous Oncology, Moffitt Cancer Center Tampa, FL 33612, United States
| | - John Hassani
- Department of Cutaneous Oncology, Moffitt Cancer Center Tampa, FL 33612, United States
| | - Isaac P Foote
- Department of Cutaneous Oncology, Moffitt Cancer Center Tampa, FL 33612, United States
| | - Joseph Markowitz
- Department of Cutaneous Oncology, Moffitt Cancer Center Tampa, FL 33612, United States.
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15
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Holliman G, Lowe D, Cohen H, Felton S, Raj K. Ultraviolet Radiation-Induced Production of Nitric Oxide:A multi-cell and multi-donor analysis. Sci Rep 2017; 7:11105. [PMID: 28894213 PMCID: PMC5593895 DOI: 10.1038/s41598-017-11567-5] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2017] [Accepted: 08/15/2017] [Indexed: 12/31/2022] Open
Abstract
Increasing evidence regarding positive effects of exposure to sunlight has led to suggestions that current advice may be overly weighted in favour of avoidance. UV-A has been reported to lower blood pressure, possibly through nitric oxide (NO) production in skin. Here, we set out to investigate effects of UV-A and solar-simulated radiation on the potential source of dermal NO, the effective doses and wavelengths, the responsiveness of different human skin cells, the magnitude of inter-individual differences and the potential influence of age. We utilised isogenic keratinocytes, microvascular endothelial cells, melanocytes and fibroblasts isolated from 36 human skins ranging from neonates to 86 years old. We show that keratinocytes and microvascular endothelial cells show greatest NO release following biologically relevant doses of UV-A. This was consistent across multiple neonatal donors and the effect is maintained in adult keratinocytes. Our observations are consistent with a bi-phasic mechanism by which UV-A can trigger vasodilatory effects. Analyses of NO-production spectra adds further evidence that nitrites in skin cells are the source of UV-mediated NO release. These potentially positive effects of ultraviolet radiation lend support for objective assessment of environmental influence on human health and the idea of “healthy sun exposure”.
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Affiliation(s)
- Graham Holliman
- Radiation Effects Department, Centre for Radiation, Chemical and Environmental Hazards,Public Health England (PHE), Chilton, Oxfordshire, OX11 0RQ, United Kingdom.
| | - Donna Lowe
- Radiation Effects Department, Centre for Radiation, Chemical and Environmental Hazards,Public Health England (PHE), Chilton, Oxfordshire, OX11 0RQ, United Kingdom
| | - Howard Cohen
- Elizabeth House, 515 Limpsfield Road, Warlingham, Surrey, CR6 9LF, United Kingdom
| | - Sarah Felton
- Oxford University Hospitals NHS Foundation Trust, Old Road, Oxford, OX3 7LJ, United Kingdom
| | - Ken Raj
- Radiation Effects Department, Centre for Radiation, Chemical and Environmental Hazards,Public Health England (PHE), Chilton, Oxfordshire, OX11 0RQ, United Kingdom
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16
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Pelegrino MT, Weller RB, Chen X, Bernardes JS, Seabra AB. Chitosan nanoparticles for nitric oxide delivery in human skin. MEDCHEMCOMM 2017; 8:713-719. [PMID: 30108789 PMCID: PMC6072359 DOI: 10.1039/c6md00502k] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Accepted: 11/03/2016] [Indexed: 12/12/2022]
Abstract
The use of nanoparticle-based transdermal delivery systems is a promising approach to efficiently carry and deliver therapeutic agents for dermal and systemic administration. Nitric oxide (NO) is a key molecule that plays important roles in human skin such as the control of skin homeostasis, skin defense, control of dermal blood flow, and wound healing. In addition, human skin contains stores of NO derivatives that can be mobilized and release free NO upon UV irradiation with beneficial cardiovascular effects, for instance the control of blood pressure. In this work, the NO donor precursor glutathione (GSH) was encapsulated (encapsulation efficiency of 99.60%) into ultra-small chitosan nanoparticles (CS NPs) (hydrodynamic size of 30.65 ± 11.90 nm). GSH-CS NPs have a core-shell structure, as revealed by atomic force microscopy and X-ray photoelectron spectroscopy, in which GSH is protected in the nanoparticle core. Nitrosation of GSH by nitrous acid led to the formation of the NO donor S-nitrosogluthathione (GSNO) into CS NPs. The GSNO release from the CS NPs followed a Fickian diffusion described by the Higuchi mathematical model. Topical application of GSNO-CS NPs in intact human skin significantly increased the levels of NO and its derivatives in the epidermis, as assayed by confocal microscopy, and this effect was further enhanced by skin irradiation with UV light. Therefore, NO-releasing CS NPs are suitable materials for transdermal NO delivery to local and/or systemic therapies.
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Affiliation(s)
- M T Pelegrino
- Exact and Earth Sciences Departament , Universidade Federal de São Paulo , Rua São Nicolau, 210 , CEP 09913-030 , Diadema , SP , Brazil
- Center of Natural and Human Sciences , Universidade Federal do ABC , Av. dos Estados 5001 , CEP 09210-580 , Santo André , SP , Brazil . ; Tel: +55 11 4996 8374
| | - R B Weller
- Medical Research Council Centre for Inflammation Research , University of Edinburgh , Queen's Medical Research Institute , 47 Little France Crescent , Edinburgh , EH16 4TJ , UK
| | - X Chen
- Medical Research Council Centre for Inflammation Research , University of Edinburgh , Queen's Medical Research Institute , 47 Little France Crescent , Edinburgh , EH16 4TJ , UK
| | - J S Bernardes
- National Nanotechnology Laboratory (LNNano) , National Center for Energy and Materials (CNPEM) , Rua Giuseppe Máximo Scolfaro, 10.000 , CEP 13083-970 , Campinas , SP , Brazil
| | - A B Seabra
- Center of Natural and Human Sciences , Universidade Federal do ABC , Av. dos Estados 5001 , CEP 09210-580 , Santo André , SP , Brazil . ; Tel: +55 11 4996 8374
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17
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Blume-Peytavi U, Tan J, Tennstedt D, Boralevi F, Fabbrocini G, Torrelo A, Soares-Oliveira R, Haftek M, Rossi AB, Thouvenin MD, Mangold J, Galliano MF, Hernandez-Pigeon H, Aries MF, Rouvrais C, Bessou-Touya S, Duplan H, Castex-Rizzi N, Mengeaud V, Ferret PJ, Clouet E, Saint Aroman M, Carrasco C, Coutanceau C, Guiraud B, Boyal S, Herman A, Delga H, Biniek K, Dauskardt R. Fragility of epidermis in newborns, children and adolescents. J Eur Acad Dermatol Venereol 2016; 30 Suppl 4:3-56. [PMID: 27062556 DOI: 10.1111/jdv.13636] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2015] [Revised: 02/10/2016] [Accepted: 02/17/2016] [Indexed: 12/18/2022]
Abstract
Within their first days of life, newborns' skin undergoes various adaptation processes needed to accommodate the transition from the wet uterine environment to the dry atmosphere. The skin of newborns and infants is considered as a physiological fragile skin, a skin with lower resistance to aggressions. Fragile skin is divided into four categories up to its origin: physiological fragile skin (age, location), pathological fragile skin (acute and chronic), circumstantial fragile skin (due to environmental extrinsic factors or intrinsic factors such as stress) and iatrogenic fragile skin. Extensive research of the past 10 years have proven evidence that at birth albeit showing a nearly perfect appearance, newborn skin is structurally and functionally immature compared to adult skin undergoing a physiological maturation process after birth at least throughout the first year of life. This article is an overview of all known data about fragility of epidermis in 'fragile populations': newborns, children and adolescents. It includes the recent pathological, pathophysiological and clinical data about fragility of epidermis in various dermatological diseases, such as atopic dermatitis, acne, rosacea, contact dermatitis, irritative dermatitis and focus on UV protection.
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Affiliation(s)
- U Blume-Peytavi
- Department of Dermatology and Allergy, Clinical Research Center for Hair and Skin Science, Charité-Universitätsmedizin, Berlin, Germany
| | - J Tan
- Department of Medicine, Faculty of Medicine, Schulich School of Medicine and Dentistry, Western University, Windsor campus, Windsor, ON, Canada.,Windsor Clinical Research Inc., Windsor campus, Windsor, ON, Canada
| | - D Tennstedt
- Department of Dermatology, Saint-Luc University Clinics, Brussels, Belgium
| | - F Boralevi
- Pediatric Dermatology, Pellegrin Hospital, Bordeaux, France
| | - G Fabbrocini
- Department of Dermatology, University Hospital of Naples, Naples, Italy
| | - A Torrelo
- Pediatric Dermatology, Hospital del Niño Jesús, Madrid, Spain
| | | | - M Haftek
- University Lyon 1, Lyon, France.,University Lyon 1, EA4169, "Fundamental, clinical and therapeutic aspects of the skin barrier function", Lyon, France
| | - A B Rossi
- Pierre Fabre Dermo-Cosmétique Research & Development, Clinical Division, Toulouse, France.,Department of Dermatology, Toulouse University hospital, France
| | - M D Thouvenin
- Pierre Fabre Dermo-Cosmétique Research & Development, Clinical Division, Toulouse, France
| | - J Mangold
- Pierre Fabre Dermo-Cosmétique Research & Development, Clinical Division, Toulouse, France
| | - M F Galliano
- Pierre Fabre Dermo-Cosmétique Research & Development, Clinical Division, Toulouse, France.,Pierre Fabre Dermo-Cosmétique Research and Development Center, Pharmacology Division, Toulouse, France.,Pierre Fabre Dermo-Cosmétique, Pierre Fabre Research and Development Center, Pharmacology Division, Toulouse, France
| | - H Hernandez-Pigeon
- Pierre Fabre Dermo-Cosmétique Research & Development, Clinical Division, Toulouse, France.,Pierre Fabre Dermo-Cosmétique, Pierre Fabre Research and Development Center, Pharmacology Division, Toulouse, France
| | - M F Aries
- Pierre Fabre Dermo-Cosmétique Research and Development Center, Pharmacology Division, Toulouse, France.,Pierre Fabre Dermo-Cosmétique, Pierre Fabre Research and Development Center, Pharmacology Division, Toulouse, France
| | - C Rouvrais
- Pierre Fabre Dermo-Cosmétique Research & Development, Clinical Division, Toulouse, France
| | - S Bessou-Touya
- Pierre Fabre Dermo-Cosmétique Research & Development, Clinical Division, Toulouse, France.,Pierre Fabre Dermo-Cosmétique Research and Development Center, Pharmacology Division, Toulouse, France.,Medical Department, Pierre Fabre Research and Laboratoires Dermatologiques A-Derma, Lavaur, France.,Pierre Fabre Dermo-Cosmétique, Pierre Fabre Research and Development Center, Pharmacology Division, Toulouse, France
| | - H Duplan
- Pierre Fabre Dermo-Cosmétique Research & Development, Clinical Division, Toulouse, France.,Pierre Fabre Dermo-Cosmétique Research and Development Center, Pharmacology Division, Toulouse, France.,Pierre Fabre Dermo-Cosmétique, Pierre Fabre Research and Development Center, Pharmacology Division, Toulouse, France
| | - N Castex-Rizzi
- Pierre Fabre Dermo-Cosmétique Research & Development, Clinical Division, Toulouse, France.,Pierre Fabre Dermo-Cosmétique Research and Development Center, Pharmacology Division, Toulouse, France.,Pierre Fabre Dermo-Cosmétique, Pierre Fabre Research and Development Center, Pharmacology Division, Toulouse, France
| | - V Mengeaud
- Pierre Fabre Dermo-Cosmétique Research & Development, Clinical Division, Toulouse, France.,Pierre Fabre Dermo-Cosmétique Research and Development Center, Pharmacology Division, Toulouse, France
| | - P J Ferret
- Pierre Fabre Dermo-Cosmétique Research & Development, Toxicology Division, Vigoulet-Auzil, France.,Pierre Fabre Dermo-Cosmétique Research & Developement Center, Toxicology division, Vigoulet, France
| | - E Clouet
- Pierre Fabre Dermo-Cosmétique Research & Development, Toxicology Division, Vigoulet-Auzil, France.,Pierre Fabre Dermo-Cosmétique Research & Developement Center, Toxicology division, Vigoulet, France
| | | | - C Carrasco
- Pierre Fabre Dermo-Cosmétique Research & Development, Clinical Division, Toulouse, France.,Pierre Fabre Dermo-Cosmétique Research and Development Center, Pharmacology Division, Toulouse, France.,Pierre Fabre Dermo-Cosmétique, Pierre Fabre Research and Development Center, Pharmacology Division, Toulouse, France
| | - C Coutanceau
- Medical Department, Pierre Fabre Research and Laboratoires Dermatologiques A-Derma, Lavaur, France
| | - B Guiraud
- Pierre Fabre Dermo-Cosmétique Research & Development, Clinical Division, Toulouse, France
| | - S Boyal
- Windsor Clinical Research Inc., Windsor campus, Windsor, ON, Canada
| | - A Herman
- Department of Dermatology, Saint-Luc University Clinics, Brussels, Belgium
| | - H Delga
- Pierre Fabre Dermo-Cosmétique, Pierre Fabre Research and Development Center, Pharmacology Division, Toulouse, France
| | - K Biniek
- Department of Materials Science and Engineering, Stanford University hospital, Stanford, CA, USA
| | - R Dauskardt
- Department of Materials Science and Engineering, Stanford University hospital, Stanford, CA, USA
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18
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Jankovic A, Ferreri C, Filipovic M, Ivanovic-Burmazovic I, Stancic A, Otasevic V, Korac A, Buzadzic B, Korac B. Targeting the superoxide/nitric oxide ratio by L-arginine and SOD mimic in diabetic rat skin. Free Radic Res 2016; 50:S51-S63. [DOI: 10.1080/10715762.2016.1232483] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Aleksandra Jankovic
- Department of Physiology, Institute for Biological Research “Sinisa Stankovic”, University of Belgrade, Belgrade, Serbia
| | - Carla Ferreri
- ISOF, BioFreeRadicals Group, Consiglio Nazionale delle Ricerche, Bologna, Italy
| | - Milos Filipovic
- CNRS, Institute of Biochemistry and Cellular Genetics, Université de Bordeaux, Bordeaux, France
| | - Ivana Ivanovic-Burmazovic
- Department of Chemistry and Pharmacy, Friedrich-Alexander-University of Erlangen-Nürnberg, Erlangen, Germany
| | - Ana Stancic
- Department of Physiology, Institute for Biological Research “Sinisa Stankovic”, University of Belgrade, Belgrade, Serbia
| | - Vesna Otasevic
- Department of Physiology, Institute for Biological Research “Sinisa Stankovic”, University of Belgrade, Belgrade, Serbia
| | - Aleksandra Korac
- Faculty of Biology, Centre for Electron Microscopy, University of Belgrade, Belgrade, Serbia
| | - Biljana Buzadzic
- Department of Physiology, Institute for Biological Research “Sinisa Stankovic”, University of Belgrade, Belgrade, Serbia
| | - Bato Korac
- Department of Physiology, Institute for Biological Research “Sinisa Stankovic”, University of Belgrade, Belgrade, Serbia
- Faculty of Biology, Centre for Electron Microscopy, University of Belgrade, Belgrade, Serbia
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19
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Heuer K, Hoffmanns MA, Demir E, Baldus S, Volkmar CM, Röhle M, Fuchs PC, Awakowicz P, Suschek CV, Opländer C. The topical use of non-thermal dielectric barrier discharge (DBD): nitric oxide related effects on human skin. Nitric Oxide 2014; 44:52-60. [PMID: 25435001 DOI: 10.1016/j.niox.2014.11.015] [Citation(s) in RCA: 68] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2014] [Revised: 11/14/2014] [Accepted: 11/25/2014] [Indexed: 11/17/2022]
Abstract
Dielectric barrier discharge (DBD) devices generate air plasma above the skin containing active and reactive species including nitric oxide (NO). Since NO plays an essential role in skin physiology, a topical application of NO by plasma may be useful in the treatment of skin infections, impaired microcirculation and wound healing. Thus, after safety assessments of plasma treatment using human skin specimen and substitutes, NO-penetration through the epidermis, the loading of skin tissue with NO-derivates in vitro and the effects on human skin in vivo were determined. After the plasma treatment (0-60 min) of skin specimen or reconstructed epidermis no damaging effects were found (TUNEL/MTT). By Franz diffusion cell experiments plasma-induced NO penetration through epidermis and dermal enrichment with NO related species (nitrite 6-fold, nitrate 7-fold, nitrosothiols 30-fold) were observed. Furthermore, skin surface was acidified (~pH 2.7) by plasma treatment (90 s). Plasma application on the forearms of volunteers increased microcirculation fourfold in 1-2 mm and twofold in 6-8 mm depth in the treated skin areas. Regarding the NO-loading effects, skin acidification and increase in dermal microcirculation, plasma devices represent promising tools against chronic/infected wounds. However, efficacy of plasma treatment needs to be quantified in further studies and clinical trials.
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Affiliation(s)
- Kiara Heuer
- Department of Trauma and Hand Surgery, Medical Faculty, Heinrich-Heine-University Düsseldorf, Germany
| | - Martin A Hoffmanns
- Department of Trauma and Hand Surgery, Medical Faculty, Heinrich-Heine-University Düsseldorf, Germany
| | - Erhan Demir
- Department of Plastic Surgery, Hand Surgery, Burn Center, Merheim Hospital Cologne, University of Witten/Herdecke, Germany
| | - Sabrina Baldus
- Institute for Electrical Engineering and Plasma Technology, Ruhr University, Bochum, Germany
| | - Christine M Volkmar
- Department of Trauma and Hand Surgery, Medical Faculty, Heinrich-Heine-University Düsseldorf, Germany
| | - Mirco Röhle
- Department of Trauma and Hand Surgery, Medical Faculty, Heinrich-Heine-University Düsseldorf, Germany
| | - Paul C Fuchs
- Department of Plastic Surgery, Hand Surgery, Burn Center, Merheim Hospital Cologne, University of Witten/Herdecke, Germany
| | - Peter Awakowicz
- Institute for Electrical Engineering and Plasma Technology, Ruhr University, Bochum, Germany
| | - Christoph V Suschek
- Department of Trauma and Hand Surgery, Medical Faculty, Heinrich-Heine-University Düsseldorf, Germany
| | - Christian Opländer
- Department of Trauma and Hand Surgery, Medical Faculty, Heinrich-Heine-University Düsseldorf, Germany.
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20
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Opländer C, Deck A, Volkmar CM, Kirsch M, Liebmann J, Born M, van Abeelen F, van Faassen EE, Kröncke KD, Windolf J, Suschek CV. Mechanism and biological relevance of blue-light (420-453 nm)-induced nonenzymatic nitric oxide generation from photolabile nitric oxide derivates in human skin in vitro and in vivo. Free Radic Biol Med 2013; 65:1363-1377. [PMID: 24121056 DOI: 10.1016/j.freeradbiomed.2013.09.022] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2013] [Revised: 09/20/2013] [Accepted: 09/26/2013] [Indexed: 11/29/2022]
Abstract
Human skin contains photolabile nitric oxide (NO) derivates such as nitrite and S-nitrosothiols, which upon UVA radiation decompose under high-output NO formation and exert NO-specific biological responses such as increased local blood flow or reduced blood pressure. To avoid the injurious effects of UVA radiation, we here investigated the mechanism and biological relevance of blue-light (420-453 nm)-induced nonenzymatic NO generation from photolabile nitric oxide derivates in human skin in vitro and in vivo. As quantified by chemiluminescence detection (CLD), at physiological pH blue light at 420 or 453 nm induced a significant NO formation from S-nitrosoalbumin and also from aqueous nitrite solutions by a to-date not entirely identified Cu(1+)-dependent mechanism. As detected by electron paramagnetic resonance spectrometry in vitro with human skin specimens, blue light irradiation significantly increased the intradermal levels of free NO. As detected by CLD in vivo in healthy volunteers, irradiation of human skin with blue light induced a significant emanation of NO from the irradiated skin area as well as a significant translocation of NO from the skin surface into the underlying tissue. In parallel, blue light irradiation caused a rapid and significant rise in local cutaneous blood flow as detected noninvasively by using micro-light-guide spectrophotometry. Irradiation of human skin with moderate doses of blue light caused a significant increase in enzyme-independent cutaneous NO formation as well as NO-dependent local biological responses, i.e., increased blood flow. The effects were attributed to blue-light-induced release of NO from cutaneous photolabile NO derivates. Thus, in contrast to UVA, blue-light-induced NO generation might be therapeutically used in the treatment of systemic and local hemodynamic disorders that are based on impaired physiological NO production or bioavailability.
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Affiliation(s)
- Christian Opländer
- Department of Trauma and Hand Surgery, Medical Faculty, University Hospital, Heinrich-Heine-University Düsseldorf, 40225 Düsseldorf, Germany
| | - Annika Deck
- Department of Plastic and Reconstructive Surgery, Hand Surgery, and Burn Center, Medical Faculty, RWTH Aachen University, Aachen, Germany
| | - Christine M Volkmar
- Department of Trauma and Hand Surgery, Medical Faculty, University Hospital, Heinrich-Heine-University Düsseldorf, 40225 Düsseldorf, Germany
| | - Michael Kirsch
- Institute of Physiological Chemistry, University Hospital, Essen, Germany
| | - Jörg Liebmann
- Innovative Technologies, Philips Technologie GmbH, Aachen, Germany
| | - Matthias Born
- Innovative Technologies, Philips Technologie GmbH, Aachen, Germany
| | | | - Ernst E van Faassen
- Department of Nephrology, Leiden University Medical Center, Leiden, The Netherlands
| | - Klaus-Dietrich Kröncke
- Institute of Biochemistry and Molecular Biology I, Medical Faculty, University Hospital, Heinrich-Heine-University Düsseldorf, 40225 Düsseldorf, Germany
| | - Joachim Windolf
- Department of Trauma and Hand Surgery, Medical Faculty, University Hospital, Heinrich-Heine-University Düsseldorf, 40225 Düsseldorf, Germany
| | - Christoph V Suschek
- Department of Trauma and Hand Surgery, Medical Faculty, University Hospital, Heinrich-Heine-University Düsseldorf, 40225 Düsseldorf, Germany.
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21
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Bernabò I, Guardia A, La Russa D, Madeo G, Tripepi S, Brunelli E. Exposure and post-exposure effects of endosulfan on Bufo bufo tadpoles: morpho-histological and ultrastructural study on epidermis and iNOS localization. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2013; 142-143:164-175. [PMID: 24036433 DOI: 10.1016/j.aquatox.2013.08.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2013] [Revised: 07/31/2013] [Accepted: 08/05/2013] [Indexed: 06/02/2023]
Abstract
Endosulfan is a persistent organic pollutant (POP) that has lethal and sublethal effects on non-target organisms, including amphibians. In a laboratory study, we investigated direct and post-exposure effects of endosulfan on Bufo bufo tadpoles. For this purpose we exposed the tadpoles to a single short-term contamination event (96 h) at an environmentally-realistic concentration (200 μg endosulfan/L). This was followed by a recovery period of 10 days when the experimental animals were kept in pesticide-free water. The endpoints were assessed in terms of mortality, incidence of deformity, effects on behavior, and the morpho-functional features of the epidermis. We found that a short-term exposure to the tested concentration of endosulfan did not cause mortality but induced severe sublethal effects, such as hyperactivity, convulsions, and axis malformations. Following relocation to a pesticide-free environment, we noted two types of response within the experimental sample, in terms of morphological and behavioral traits. Moreover, by using both ultrastructural and a morpho-functional approach, we found that a short-term exposure to endosulfan negatively affected the amphibian epidermis. We also observed several histo-pathological alterations: increased mucous secretion, an increase in intercellular spaces and extensive cell degeneration, together with the induction of an inducible isoform of nitric oxide synthase (iNOS). Following the post-exposure period, we found large areas of epidermis in which degeneration phenomena were moderate or absent, as well as a further increase in iNOS immunoreactivity. Thus, after 10 days in a free-pesticide environment, the larval epidermis was able to partially replace elements that had been compromised due to a physiological and/or a pathological response to the pesticide. These results highlight the need for both exposure and post-exposure experiments, when attempting to assess pollutant effects.
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Affiliation(s)
- Ilaria Bernabò
- Department of Biology, Ecology and Earth Sciences (DiBEST), University of Calabria, Via P. Bucci 4B 87036 Rende (CS), Italy
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22
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Akdeniz N, Aktaş A, Erdem T, Akyüz M, Özdemir Ş. Nitric oxide levels in atopic dermatitis. ACTA ACUST UNITED AC 2013. [DOI: 10.1163/1568569042664521] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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23
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Sphingosine 1-phosphate protects primary human keratinocytes from apoptosis via nitric oxide formation through the receptor subtype S1P₃. Mol Cell Biochem 2012; 371:165-76. [PMID: 22899173 DOI: 10.1007/s11010-012-1433-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2012] [Accepted: 08/03/2012] [Indexed: 12/20/2022]
Abstract
Although the lipid mediator sphingosine 1-phosphate (S1P) has been identified to induce cell growth arrest of human keratinocytes, the sphingolipid effectively protects these epidermal cells from apoptosis. The molecular mechanism of the anti-apoptotic action induced by S1P is less characterized. Apart from S1P, endogenously produced nitric oxide (NO•) has been recognized as a potent modulator of apoptosis in keratinocytes. Therefore, it was of great interest to elucidate whether S1P protects human keratinocytes via a NO•-dependent signalling pathway. Indeed, S1P induced an activation of endothelial nitric oxide synthase (eNOS) in human keratinocytes leading to an enhanced formation of NO•. Most interestingly, the cell protective effect of S1P was almost completely abolished in the presence of the eNOS inhibitor L-NAME as well as in eNOS-deficient keratinocytes indicating that the sphingolipid metabolite S1P protects human keratinocytes from apoptosis via eNOS activation and subsequent production of protective amounts of NO•. It is well established that most of the known actions of S1P are mediated by a family of five specific G protein-coupled receptors. Therefore, the involvement of S1P-receptor subtypes in S1P-mediated eNOS activation has been examined. Indeed, this study clearly shows that the S1P(3) is the exclusive receptor subtype in human keratinocytes which mediates eNOS activation and NO• formation in response to S1P. In congruence, when the S1P(3) receptor subtype is abrogated, S1P almost completely lost its ability to protect human keratinocytes from apoptosis.
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24
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Sanchez DA, Nosanchuk J, Friedman A. The purview of nitric oxide nanoparticle therapy in infection and wound healing. Nanomedicine (Lond) 2012; 7:933-6. [PMID: 22642306 DOI: 10.2217/nnm.12.67] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
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25
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Auttachoat W, Germolec DR, Smith MJ, White KL, Guo TL. Contact sensitizing potential of annatto extract and its two primary color components, cis-bixin and norbixin, in female BALB/c mice. Food Chem Toxicol 2011; 49:2638-44. [DOI: 10.1016/j.fct.2011.07.009] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2010] [Revised: 05/20/2011] [Accepted: 07/06/2011] [Indexed: 10/18/2022]
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26
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Kevil CG, Kolluru GK, Pattillo CB, Giordano T. Inorganic nitrite therapy: historical perspective and future directions. Free Radic Biol Med 2011; 51:576-93. [PMID: 21619929 PMCID: PMC4414241 DOI: 10.1016/j.freeradbiomed.2011.04.042] [Citation(s) in RCA: 78] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2011] [Revised: 04/26/2011] [Accepted: 04/27/2011] [Indexed: 12/24/2022]
Abstract
Over the past several years, investigators studying nitric oxide (NO) biology and metabolism have come to learn that the one-electron oxidation product of NO, nitrite anion, serves as a unique player in modulating tissue NO bioavailability. Numerous studies have examined how this oxidized metabolite of NO can act as a salvage pathway for maintaining NO equivalents through multiple reduction mechanisms in permissive tissue environments. Moreover, it is now clear that nitrite anion production and distribution throughout the body can act in an endocrine manner to augment NO bioavailability, which is important for physiological and pathological processes. These discoveries have led to renewed hope and efforts for an effective NO-based therapeutic agent through the unique action of sodium nitrite as an NO prodrug. More recent studies also indicate that sodium nitrate may also increase plasma nitrite levels via the enterosalivary circulatory system resulting in nitrate reduction to nitrite by microorganisms found within the oral cavity. In this review, we discuss the importance of nitrite anion in several disease models along with an appraisal of sodium nitrite therapy in the clinic, potential caveats of such clinical uses, and future possibilities for nitrite-based therapies.
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Affiliation(s)
- Christopher G Kevil
- Department of Pathology, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA 71130, USA.
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27
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Zhang M, Liang L, Xu M, Qureshi AA, Han J. Pathway analysis for genome-wide association study of basal cell carcinoma of the skin. PLoS One 2011; 6:e22760. [PMID: 21829505 PMCID: PMC3145747 DOI: 10.1371/journal.pone.0022760] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2011] [Accepted: 06/28/2011] [Indexed: 01/03/2023] Open
Abstract
Background Recently, a pathway-based approach has been developed to evaluate the cumulative contribution of the functionally related genes for genome-wide association studies (GWASs), which may help utilize GWAS data to a greater extent. Methods In this study, we applied this approach for the GWAS of basal cell carcinoma (BCC) of the skin. We first conducted the BCC GWAS among 1,797 BCC cases and 5,197 controls in Caucasians with 740,760 genotyped SNPs. 115,688 SNPs were grouped into gene transcripts within 20 kb in distance and then into 174 Kyoto Encyclopedia of Genes and Genomes pathways, 205 BioCarta pathways, as well as two positive control gene sets (pigmentation gene set and BCC risk gene set). The association of each pathway with BCC risk was evaluated using the weighted Kolmogorov-Smirnov test. One thousand permutations were conducted to assess the significance. Results Both of the positive control gene sets reached pathway p-values<0.05. Four other pathways were also significantly associated with BCC risk: the heparan sulfate biosynthesis pathway (p = 0.007, false discovery rate, FDR = 0.35), the mCalpain pathway (p = 0.002, FDR = 0.12), the Rho cell motility signaling pathway (p = 0.011, FDR = 0.30), and the nitric oxide pathway (p = 0.022, FDR = 0.42). Conclusion We identified four pathways associated with BCC risk, which may offer new insights into the etiology of BCC upon further validation, and this approach may help identify potential biological pathways that might be missed by the standard GWAS approach.
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Affiliation(s)
- Mingfeng Zhang
- Department of Dermatology, Clinical Research Program, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, United States of America.
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28
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Wölfle U, Esser PR, Simon-Haarhaus B, Martin SF, Lademann J, Schempp CM. UVB-induced DNA damage, generation of reactive oxygen species, and inflammation are effectively attenuated by the flavonoid luteolin in vitro and in vivo. Free Radic Biol Med 2011; 50:1081-93. [PMID: 21281711 DOI: 10.1016/j.freeradbiomed.2011.01.027] [Citation(s) in RCA: 106] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2010] [Revised: 01/17/2011] [Accepted: 01/21/2011] [Indexed: 12/15/2022]
Abstract
Ultraviolet (UV) radiation induces DNA damage, oxidative stress, and inflammatory processes in human keratinocytes resulting in skin inflammation, photoaging, and photocarcinogenesis. The flavonoid luteolin is one of the most potent antioxidative plant polyphenols. We investigated the UV protective and antioxidant properties of luteolin in human keratinocytes in vitro, ex vivo, and in vivo. Spectrophotometric measurements revealed extinction maxima of luteolin in the UVB and UVA range. UV transmission below 370 nm was <10%. In human skin, luteolin effectively reduced the formation of UVB-induced cyclobutane pyrimidine dimers. The free radical scavenging activity of luteolin was assessed in various cell-free and cell-based assays. In the cell-free DPPH assay the half-maximal effective concentration (EC₅₀) of luteolin (12 μg/ml) was comparable to those of Trolox (25 μg/ml) and N-acetylcysteine (32 μg/ml). In contrast, in the H₂DCFDA assay performed with UVB-irradiated keratinocytes, luteolin (EC₅₀ 3 μg/ml) was much more effective compared to Trolox (EC₅₀ 12 μg/ml) and N-acetylcysteine (EC₅₀ 847 μg/ml). Luteolin also inhibited both UVB-induced skin erythema and the upregulation of cyclooxygenase-2 and prostaglandin E₂ production in human skin via interference with the MAPK pathway. These data suggest that luteolin may protect human skin from UVB-induced damage by a combination of UV-absorbing, DNA-protective, antioxidant, and anti-inflammatory properties.
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Affiliation(s)
- Ute Wölfle
- Competence Center skintegral, Department of Dermatology, University Medical Center Freiburg, D-79102 Freiburg, Germany.
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29
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Pastore S, Mariani V, Lulli D, Gubinelli E, Raskovic D, Mariani S, Stancato A, de Luca C, Pecorelli A, Valacchi G, Potapovich AI, Kostyuk VA, Korkina LG. Glutathione peroxidase activity in the blood cells of psoriatic patients correlates with their responsiveness to Efalizumab. Free Radic Res 2011; 45:585-99. [PMID: 21323509 DOI: 10.3109/10715762.2011.560150] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Biological treatment of psoriasis, a chronic inflammatory immune-mediated pathology of huge social impact, has become a recent revolutionizing breakthrough in the management of the disease. Apart from anti-TNF-alpha biologics, recombinant proteins-inhibitors of the T lymphocytes-antigen presenting cells interaction, Efalizumab among them, have been successfully used in the therapy of psoriasis. Serious concern regarding safety and efficacy of biologics remains because they induce numerous adverse effects and a significant number of patients are non-responders. Up-to-now, there are no biochemical or/and immunological markers of the clinical efficacy of these drugs. This study searches for immunological and redox markers of the clinical response in the group of psoriatic patients treated with Efalizumab. Clinical response to Efalizumab was assessed by Psoriasis Area and Severity Index and correlated with suppression of T-cell functions, plasma cytokines, membrane-associated polyunsaturated fatty acids (PUFAs), antioxidant enzymes and markers of oxidative stress. A 12-week Efalizumab therapy did not affect abnormal plasma levels of pro-inflammatory cytokines and lower-than-normal content of PUFAs esterified in phospholipids of red cell membranes. It did, however, suppress T-cell-mediated functions and decrease nitrites/nitrates and malonyl dialdehyde levels independently on the clinical outcome. On contrast, activities of glutathione peroxidase (GPx) and glutathione S-transferase in granulocytes were remarkably increased and catalase decreased exclusively in non-responders vs complete or partial responders. High baseline GPx in erythrocytes decreased in responders. It is concluded that clinical response to Efalizumab correlates with GPx activity in the blood cells, suggesting that high hydroperoxide levels are involved in psoriasis persistence.
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Affiliation(s)
- Saveria Pastore
- Tissue Engineering & Skin Pathophysiology Laboratory, Dermatology Research Institute (IDI IRCCS), Rome 00167, Italy
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Liebmann J, Scherer J, Bibinov N, Rajasekaran P, Kovacs R, Gesche R, Awakowicz P, Kolb-Bachofen V. Biological effects of nitric oxide generated by an atmospheric pressure gas-plasma on human skin cells. Nitric Oxide 2011; 24:8-16. [DOI: 10.1016/j.niox.2010.09.005] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2010] [Revised: 08/27/2010] [Accepted: 09/18/2010] [Indexed: 10/19/2022]
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31
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A new method for sustained generation of ultra-pure nitric oxide-containing gas mixtures via controlled UVA-photolysis of nitrite solutions. Nitric Oxide 2010; 23:275-83. [DOI: 10.1016/j.niox.2010.08.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2010] [Revised: 08/02/2010] [Accepted: 08/10/2010] [Indexed: 11/22/2022]
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32
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Non-enzymatic NO production in human skin: Effect of UVA on cutaneous NO stores. Nitric Oxide 2010; 22:120-35. [DOI: 10.1016/j.niox.2009.10.006] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2009] [Revised: 10/21/2009] [Accepted: 10/22/2009] [Indexed: 12/27/2022]
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Opländer C, Volkmar CM, Paunel-Görgülü A, van Faassen EE, Heiss C, Kelm M, Halmer D, Mürtz M, Pallua N, Suschek CV. Whole Body UVA Irradiation Lowers Systemic Blood Pressure by Release of Nitric Oxide From Intracutaneous Photolabile Nitric Oxide Derivates. Circ Res 2009; 105:1031-40. [DOI: 10.1161/circresaha.109.207019] [Citation(s) in RCA: 111] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Rationale:
Human skin contains photolabile nitric oxide derivates like nitrite and
S
-nitroso thiols, which after UVA irradiation, decompose and lead to the formation of vasoactive NO.
Objective:
Here, we investigated whether whole body UVA irradiation influences the blood pressure of healthy volunteers because of cutaneous nonenzymatic NO formation.
Methods and Results:
As detected by chemoluminescence detection or by electron paramagnetic resonance spectroscopy in vitro with human skin specimens, UVA illumination (25 J/cm
2
) significantly increased the intradermal levels of free NO. In addition, UVA enhanced dermal
S
-nitrosothiols 2.3-fold, and the subfraction of dermal
S
-nitrosoalbumin 2.9-fold. In vivo, in healthy volunteers creamed with a skin cream containing isotopically labeled
15
N-nitrite, whole body UVA irradiation (20 J/cm
2
) induced significant levels of
15
N-labeled
S
-nitrosothiols in the blood plasma of light exposed subjects, as detected by cavity leak out spectroscopy. Furthermore, whole body UVA irradiation caused a rapid, significant decrease, lasting up to 60 minutes, in systolic and diastolic blood pressure of healthy volunteers by 11±2% at 30 minutes after UVA exposure. The decrease in blood pressure strongly correlated (
R
2
=0.74) with enhanced plasma concentration of nitrosated species, as detected by a chemiluminescence assay, with increased forearm blood flow (+26±7%), with increased flow mediated vasodilation of the brachial artery (+68±22%), and with decreased forearm vascular resistance (−28±7%).
Conclusions:
UVA irradiation of human skin caused a significant drop in blood pressure even at moderate UVA doses. The effects were attributed to UVA induced release of NO from cutaneous photolabile NO derivates.
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Affiliation(s)
- Christian Opländer
- From the Department of Plastic and Reconstructive Surgery, Hand Surgery, and Burn Center (C.O., C.M.V., N.P., C.V.S.), Medical Faculty, RWTH Aachen University, Germany; Department of Trauma and Hand Surgery (A.P.-G.), University Hospital Düsseldorf, Germany; Interface Physics (E.E.v.F.), Faculty of Sciences, Utrecht University, The Netherlands; Department of Cardiology and Vascular Medicine (C.H., M.K.), University Hospital Düsseldorf, Germany; and Institute of Laser Medicine (D.H., M.M.),
| | - Christine M. Volkmar
- From the Department of Plastic and Reconstructive Surgery, Hand Surgery, and Burn Center (C.O., C.M.V., N.P., C.V.S.), Medical Faculty, RWTH Aachen University, Germany; Department of Trauma and Hand Surgery (A.P.-G.), University Hospital Düsseldorf, Germany; Interface Physics (E.E.v.F.), Faculty of Sciences, Utrecht University, The Netherlands; Department of Cardiology and Vascular Medicine (C.H., M.K.), University Hospital Düsseldorf, Germany; and Institute of Laser Medicine (D.H., M.M.),
| | - Adnana Paunel-Görgülü
- From the Department of Plastic and Reconstructive Surgery, Hand Surgery, and Burn Center (C.O., C.M.V., N.P., C.V.S.), Medical Faculty, RWTH Aachen University, Germany; Department of Trauma and Hand Surgery (A.P.-G.), University Hospital Düsseldorf, Germany; Interface Physics (E.E.v.F.), Faculty of Sciences, Utrecht University, The Netherlands; Department of Cardiology and Vascular Medicine (C.H., M.K.), University Hospital Düsseldorf, Germany; and Institute of Laser Medicine (D.H., M.M.),
| | - Ernst E. van Faassen
- From the Department of Plastic and Reconstructive Surgery, Hand Surgery, and Burn Center (C.O., C.M.V., N.P., C.V.S.), Medical Faculty, RWTH Aachen University, Germany; Department of Trauma and Hand Surgery (A.P.-G.), University Hospital Düsseldorf, Germany; Interface Physics (E.E.v.F.), Faculty of Sciences, Utrecht University, The Netherlands; Department of Cardiology and Vascular Medicine (C.H., M.K.), University Hospital Düsseldorf, Germany; and Institute of Laser Medicine (D.H., M.M.),
| | - Christian Heiss
- From the Department of Plastic and Reconstructive Surgery, Hand Surgery, and Burn Center (C.O., C.M.V., N.P., C.V.S.), Medical Faculty, RWTH Aachen University, Germany; Department of Trauma and Hand Surgery (A.P.-G.), University Hospital Düsseldorf, Germany; Interface Physics (E.E.v.F.), Faculty of Sciences, Utrecht University, The Netherlands; Department of Cardiology and Vascular Medicine (C.H., M.K.), University Hospital Düsseldorf, Germany; and Institute of Laser Medicine (D.H., M.M.),
| | - Malte Kelm
- From the Department of Plastic and Reconstructive Surgery, Hand Surgery, and Burn Center (C.O., C.M.V., N.P., C.V.S.), Medical Faculty, RWTH Aachen University, Germany; Department of Trauma and Hand Surgery (A.P.-G.), University Hospital Düsseldorf, Germany; Interface Physics (E.E.v.F.), Faculty of Sciences, Utrecht University, The Netherlands; Department of Cardiology and Vascular Medicine (C.H., M.K.), University Hospital Düsseldorf, Germany; and Institute of Laser Medicine (D.H., M.M.),
| | - Daniel Halmer
- From the Department of Plastic and Reconstructive Surgery, Hand Surgery, and Burn Center (C.O., C.M.V., N.P., C.V.S.), Medical Faculty, RWTH Aachen University, Germany; Department of Trauma and Hand Surgery (A.P.-G.), University Hospital Düsseldorf, Germany; Interface Physics (E.E.v.F.), Faculty of Sciences, Utrecht University, The Netherlands; Department of Cardiology and Vascular Medicine (C.H., M.K.), University Hospital Düsseldorf, Germany; and Institute of Laser Medicine (D.H., M.M.),
| | - Manfred Mürtz
- From the Department of Plastic and Reconstructive Surgery, Hand Surgery, and Burn Center (C.O., C.M.V., N.P., C.V.S.), Medical Faculty, RWTH Aachen University, Germany; Department of Trauma and Hand Surgery (A.P.-G.), University Hospital Düsseldorf, Germany; Interface Physics (E.E.v.F.), Faculty of Sciences, Utrecht University, The Netherlands; Department of Cardiology and Vascular Medicine (C.H., M.K.), University Hospital Düsseldorf, Germany; and Institute of Laser Medicine (D.H., M.M.),
| | - Norbert Pallua
- From the Department of Plastic and Reconstructive Surgery, Hand Surgery, and Burn Center (C.O., C.M.V., N.P., C.V.S.), Medical Faculty, RWTH Aachen University, Germany; Department of Trauma and Hand Surgery (A.P.-G.), University Hospital Düsseldorf, Germany; Interface Physics (E.E.v.F.), Faculty of Sciences, Utrecht University, The Netherlands; Department of Cardiology and Vascular Medicine (C.H., M.K.), University Hospital Düsseldorf, Germany; and Institute of Laser Medicine (D.H., M.M.),
| | - Christoph V. Suschek
- From the Department of Plastic and Reconstructive Surgery, Hand Surgery, and Burn Center (C.O., C.M.V., N.P., C.V.S.), Medical Faculty, RWTH Aachen University, Germany; Department of Trauma and Hand Surgery (A.P.-G.), University Hospital Düsseldorf, Germany; Interface Physics (E.E.v.F.), Faculty of Sciences, Utrecht University, The Netherlands; Department of Cardiology and Vascular Medicine (C.H., M.K.), University Hospital Düsseldorf, Germany; and Institute of Laser Medicine (D.H., M.M.),
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Escandell JM, Recio MC, Giner RM, Máñez S, Cerdá-Nicolás M, Merfort I, Ríos JL. Inhibition of Delayed-Type Hypersensitivity by Cucurbitacin R through the Curbing of Lymphocyte Proliferation and Cytokine Expression by Means of Nuclear Factor AT Translocation to the Nucleus. J Pharmacol Exp Ther 2009; 332:352-63. [DOI: 10.1124/jpet.109.159327] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Zhang D, Shen J, Wang C, Zhang X, Chen J. GSH-dependent iNOS and HO-1 mediated apoptosis of human Jurkat cells induced by nickel(II). ENVIRONMENTAL TOXICOLOGY 2009; 24:404-414. [PMID: 18830972 DOI: 10.1002/tox.20440] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
The molecular mechanisms by which nickel compounds cause immune cytotoxicity are far from understood. Our preliminary data suggested that nickel(II) induced apoptosis in Jurkat cells by mitochondrial pathway, specifically via mitochondrial membrane potential dissipation and antiapoptotic gene bcl-2 down-regulation. The main goal of this study was to further investigate the toxicity of nickel, especially the induction of reactive oxygen species (ROS) on immune cells, which finally induced apoptosis. Nickel was found to induce glutathione (GSH) depletion in a dose- and time-dependent manner. When Jurkat cells were preincubated with antioxidant N-acetylcysteine (NAC), apoptosis was inhibited distinctly, which suggested that ROS played an initial role in nickel immune toxicity. Heme oxygenase-1 (HO-1) and Nitric oxide (NO) which may play an important role in regulatory and protective processes in cells were assayed upon nickel treatment. A significant increase in HO-1 mRNA levels was detected in nickel treated cells. We confirmed that reduction of Nitrate levels in Jurkat cells was due to down-regulation of inducible nitric oxide synthase (iNOS), not endothelial nitric oxide synthase (eNOS). Expression changes of HO-1 and iNOS were markedly blocked when Jurkat cells were preincubated with NAC, suggesting that ROS resulted in HO-1 and iNOS dysfunction in Jurkat cells. We supposed that the immune toxicity of nickel(II) was mainly due to GSH depletion and finally led to apoptosis, probably via changing the expression levels of HO-1 and iNOS in human T lymphocytes.
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Mansur HS, de S. Costa E, Mansur AA, Barbosa-Stancioli EF. Cytocompatibility evaluation in cell-culture systems of chemically crosslinked chitosan/PVA hydrogels. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2009. [DOI: 10.1016/j.msec.2008.12.012] [Citation(s) in RCA: 116] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Oral Arginine Supplementation and the Effect on Skin Graft Donor Sites: A Randomized Clinical Pilot Study. J Burn Care Res 2009; 30:417-26. [DOI: 10.1097/bcr.0b013e3181a28c15] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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39
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Ioannides D, Lazaridou E, Apalla Z, Devliotou-Panagiotidou D. Phosphodiesterase-5 inhibitors and rosacea: report of 10 cases. Br J Dermatol 2009; 160:719-20. [DOI: 10.1111/j.1365-2133.2008.09025.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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40
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Mowbray M, McLintock S, Weerakoon R, Lomatschinsky N, Jones S, Rossi AG, Weller RB. Enzyme-independent NO stores in human skin: quantification and influence of UV radiation. J Invest Dermatol 2008; 129:834-42. [PMID: 18818674 DOI: 10.1038/jid.2008.296] [Citation(s) in RCA: 92] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Nitric oxide (NO) has many functions in the skin, including the mediation of inflammation and antimicrobial defense, wound healing, regulation of keratinocyte homeostasis, and regulation of apoptosis following UV radiation. NO is synthesized by a family of NO synthase enzymes, but its rapid release following UV exposure suggests the existence of preformed stores. NO can be converted into nitrite or nitrosothiols that are stable until cleaved by UV to release NO. Using dermal microdialysis, suction blister epidermal samples, and sweat collection, we demonstrated cutaneous concentrations of total NO-related products of 12+/-5.97 microM, 0.03+/-0.03 micromol mg(-1) epidermal protein, and 22+/-9.34 microM, respectively. The predominant oxyanion was nitrate (60-75%) followed by nitrite. S-Nitrosothiols were barely detectable. Serum total NO-related products correlated directly with those of the upper dermis and sweat (R(2)=0.62 and 0.3, respectively). UVA irradiation (10 mW cm(-2)) increased the yield of NO-related products by microdialysis, peaking after 30 minutes. Dialysis with noradrenaline abrogated this rise. Both the skin and the dermal vasculature contain biologically significant stores of NO, particularly nitrite, which can be directly mobilized by UVA irradiation. The level of circulating NO-related products probably determines skin-bound stores.
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Affiliation(s)
- Megan Mowbray
- Department of Dermatology, University of Edinburgh, Edinburgh, UK
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Opländer C, Cortese MM, Korth HG, Kirsch M, Mahotka C, Wetzel W, Pallua N, Suschek CV. The impact of nitrite and antioxidants on ultraviolet-A-induced cell death of human skin fibroblasts. Free Radic Biol Med 2007; 43:818-29. [PMID: 17664145 DOI: 10.1016/j.freeradbiomed.2007.05.030] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2007] [Revised: 05/22/2007] [Accepted: 05/23/2007] [Indexed: 12/26/2022]
Abstract
Nitrite (NO(2)(-)) occurs ubiquitously in biological fluids such as blood and sweat. Ultraviolet A-induced nitric oxide formation via decomposition of cutaneous nitrite, accompanied by the production of reactive oxygen (ROS) or nitrogen species (RNS), represents an important source for NO in human skin physiology. Examining the impact of nitrite and the antioxidants glutathione (GSH), Trolox (TRL), and ascorbic acid (ASC) on UVA-induced toxicity of human skin fibroblasts (FB) we found that NO(2)(-) concentration-dependently enhances the susceptibility of FB to the toxic effects of UVA by a mechanism comprising enhanced induction of lipid peroxidation. While ASC completely protects FB cultures from UVA/NO(2)(-)-induced cell damage, GSH or TRL excessively enhances UVA/NO(2)(-)-induced cell death by a mechanism comprising nitrite concentration-dependent TRL radical formation or GSH-derived oxidative stress. Simultaneously, in the presence of GSH or TRL the mode of UVA/NO(2)(-)-induced cell death changes from apoptosis to necrosis. In summary, during photodecomposition of nitrite, ROS or RNS formation may act as strong toxic insults. Although inhibition of oxidative stress by NO and other antioxidants represents a successful strategy for protection from UVA/NO(2)(-)-induced injuries, GSH and TRL may nitrite-dependently aggravate the injurious impact by TRL or GSH radical formation, respectively.
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Affiliation(s)
- Christian Opländer
- Department of Plastic and Reconstructive Surgery, Hand Surgery, and Burn Center, University Hospital of the RWTH-Aachen, Pauwelsstr. 30, D-52074 Aachen, Germany
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42
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Escandell JM, Recio MC, Máñez S, Giner RM, Cerdá-Nicolás M, Gil-Benso R, Ríos JL. Dihydrocucurbitacin B inhibits delayed type hypersensitivity reactions by suppressing lymphocyte proliferation. J Pharmacol Exp Ther 2007; 322:1261-8. [PMID: 17562851 DOI: 10.1124/jpet.107.122671] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
We have studied the effects of dihydrocucurbitacin B, a triterpene isolated from Cayaponia tayuya roots, on different models of delayed type hypersensitivity (DTH) in mice, as well as on T-lymphocyte proliferation and the mediators involved. In experiments with mice, dihydrocucurbitacin B inhibited the inflammatory reactions induced by oxazolone, dinitrofluorobenzene, and sheep red blood cells, reducing both the edema and cell infiltration. Moreover, the analysis of inflamed tissues showed that dihydrocucurbitacin B reduced the presence of the most relevant cytokines implicated in these processes, including interleukin-1 beta, interleukin-4, and tumor necrosis factor-alpha. Dihydrocucurbitacin B was also found to inhibit the proliferation of phytohemagglutinin-stimulated human T lymphocytes (IC(50) = 1.48 microM), halting the cell cycle in the G(0) phase. In addition, the triterpene reduced the production of interleukin-2, interleukin-4, interleukin-10, and interferon-gamma in human T lymphocytes, and it hampered the induction of the principal cyclins involved in the cell cycle, including A(1), B(1), D(2), and E(1). Finally, dihydrocucurbitacin B was found to exert a selective inhibition on the nuclear factor of activated T cells (NFAT) in human lymphocytes without affecting the calcium influx. Taken together, these results suggest that dihydrocucurbitacin B curbs DTH reactions by inhibiting NFAT, which in turn suppresses the proliferation of the most relevant cells involved in DTH reactions, namely the T cells.
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Affiliation(s)
- José M Escandell
- Departament de Farmacologia, Facultat de Farmàcia, Universitat de València, Av. Vicent Andrés Estellés s/n, 46100 Burjassot, Spain
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Suschek CV, Schewe T, Sies H, Kröncke KD. Nitrite, a naturally occurring precursor of nitric oxide that acts like a ‘prodrug’. Biol Chem 2006; 387:499-506. [PMID: 16740120 DOI: 10.1515/bc.2006.065] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
There are enzymatic and non-enzymatic mechanisms that generate NO* from nitrite in blood, stomach, saliva, urine and skin. In blood vessels, nitrite-derived NO* can provide protection via compensatory vasodilation during hypoxia, and in various body fluids it may have antibacterial activity. In the skin, nitrite-derived NO* may contribute to skin tanning, as well as to protection against UV-induced cell damage. Current knowledge on nitrite acting like an NO* 'prodrug' is presented, emphasizing the role of nitrite in skin.
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Affiliation(s)
- Christoph V Suschek
- Institute of Biochemistry and Molecular Biology II, Heinrich-Heine-University Düsseldorf, Universitätsstr. 1, D-40225 Düsseldorf, Germany
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Brunelli E, Perrotta I, Talarico E, Tripepi S. Localization of two nitric oxide synthase isoforms, eNOS and iNOS, in the skin of Triturus italicus (Amphibia, Urodela) during development. Comp Biochem Physiol A Mol Integr Physiol 2005; 142:249-55. [PMID: 16139538 DOI: 10.1016/j.cbpa.2005.07.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2005] [Revised: 07/18/2005] [Accepted: 07/19/2005] [Indexed: 01/14/2023]
Abstract
We analyzed the skin of Triturus italicus (Amphibia, Urodela) histologically during the larval, pre-metamorphic and adult phases in parallel with the immunohistochemical evaluation of the expression of two nitric oxide synthase (NOS) isoforms, i.e. the inducible NOS (iNOS) and the endothelial NOS (eNOS). Our results indicate that, during the larval and adult phases, substantial changes in the intensity and localization of both iNOS and eNOS are present. In contrast, the pre-metamorphic newts show a labelling pattern similar to that found in the skin of adult individuals. These data suggest an involvement of the NOS system in the larval epidermis during functional maturation phase starting at the climax and preceding structural rearrangements during metamorphosis, emphasizing the putative functional importance of differential isoform expression related to a distinct phase of the biological cycle.
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Affiliation(s)
- Elvira Brunelli
- Department of Ecology, University of Calabria, Via P. Bucci, I-87036, Rende, Cosenza, Italy.
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Lim I, Yun J, Kim S, Lee C, Seo S, Kim T, Bang H. Nitric oxide stimulates a large-conductance Ca-activated K+ channel in human skin fibroblasts through protein kinase G pathway. Skin Pharmacol Physiol 2005; 18:279-87. [PMID: 16145282 DOI: 10.1159/000088013] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2005] [Accepted: 06/21/2005] [Indexed: 11/19/2022]
Abstract
In order to investigate the large-conductance Ca(2+)-activated K(+) (BK(Ca)) channel and determine the effects of nitric oxide (NO) on the channel in human skin fibroblasts, we performed electrophysiological patch clamp recordings on 5th-passage cells of human genital skin cultures. The whole-cell outward K(+) current was increased with depolarization, and proved to be sensitive to NS1619 (a selective BK(Ca) channel activator) and iberiotoxin (a specific BK(Ca )channel inhibitor). The single-channel currents showed 226 pS of mean conductance in symmetrical K(+). Sodium nitroprusside (SNP; an NO donor) significantly increased the K(+) current amplitude in the whole-cell mode, and open probability of the channel (NPo) in the cell-attached mode, but not in the inside-out mode. S-nitroso-N-acetylpenicillamine (an NO donor) and 8-Br-cGMP (a membrane-permeant cGMP analogue) also increased the BK(Ca )channel activity. The stimulatory effect of SNP on BK(Ca) channels was inhibited by pretreatment with 1H-[1,2,4]-oxadiazolo[4,3-a]quinoxalin-1-one (a soluble guanylyl cyclase inhibitor), or KT5823 [a specific protein kinase G (PKG) inhibitor]. Cytoplasmic PKG also increased the channel activity in inside-out patches. In conclusion, the present data indicate that BK(Ca) channels constitute a significant fraction of K(+) current in human skin fibroblasts, and that NO increases NPo of BK(Ca) channels, which are mediated via the cGMP/PKG pathway, without direct effects on the channel.
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Affiliation(s)
- I Lim
- Department of Physiology, College of Medicine, Chung-Ang University, Seoul, Korea.
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46
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Paunel AN, Dejam A, Thelen S, Kirsch M, Horstjann M, Gharini P, Mürtz M, Kelm M, de Groot H, Kolb-Bachofen V, Suschek CV. Enzyme-independent nitric oxide formation during UVA challenge of human skin: characterization, molecular sources, and mechanisms. Free Radic Biol Med 2005; 38:606-15. [PMID: 15683717 DOI: 10.1016/j.freeradbiomed.2004.11.018] [Citation(s) in RCA: 82] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2004] [Revised: 11/10/2004] [Accepted: 11/11/2004] [Indexed: 10/26/2022]
Abstract
Many of the local UV-induced responses including erythema and edema formation, inflammation, premature aging, and immune suppression can be influenced by nitric oxide synthase (NOS)-produced NO which is known to play a pivotal role in cutaneous physiology. Besides NOS-mediated NO production, UV radiation might trigger an enzyme-independent NO formation in human skin by a mechanism comprising the decomposition of photo-reactive nitrogen oxides. Therefore, we have examined the chemical-storage forms of potential NO-generating agents, the mechanisms and kinetics of their decomposition, and their biological relevance. In normal human skin specimens we find nitrite and S-nitrosothiols (RSNO) at concentrations 25- or 360-fold higher than those found in plasma of healthy volunteers. UVA irradiation of human skin leads to high-output formation of bioactive NO due to photo-decomposition of RSNO and nitrite which represents the primary basis for NO formation during UVA exposure. Interestingly, reduced thiols strongly augment photo-decomposition of nitrite and are essential for maximal NO release. The enzyme-independent NO formation found in human skin opens a completely new field in cutaneous physiology and will extend our understanding of mechanisms contributing to skin aging, inflammation, and cancerogenesis.
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Affiliation(s)
- Adnana N Paunel
- Institute of Molecular Medicine, Department of Immunobiology, Heinrich-Heine-University of Düsseldorf, P.O. Box 101007, D-40001 Düsseldorf, Germany
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47
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Suschek CV, Paunel A, Kolb-Bachofen V. Nonenzymatic Nitric Oxide Formation during UVA Irradiation of Human Skin: Experimental Setups and Ways to Measure. Methods Enzymol 2005; 396:568-78. [PMID: 16291263 DOI: 10.1016/s0076-6879(05)96048-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Many of the local ultraviolet (UV)-induced responses, including erythema and edema formation, inflammation, premature aging, and immune suppression, can be influenced by nitric oxide synthase (NOS)-produced NO, which plays a pivotal role in cutaneous physiology. Besides enzyme-mediated NO production, UV radiation triggers an enzyme-independent NO formation in human skin. This occurs due to decomposition of photoreactive nitrogen oxides like nitrite and S-nitrosothiols, which are present in human skin at relatively high concentrations and lead to high-output formation of bioactive NO. This enzyme-independent NO formation opens a new field in cutaneous physiology and will extend our understanding of mechanisms contributing to skin aging, inflammation, and cancerogenesis but also functional protection. Therefore, it is of high interest to examine the chemical storage forms of these potential NO-generating agents in skin, the mechanisms and kinetics of their decomposition, and their biological relevance.
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Affiliation(s)
- Christoph V Suschek
- Institute of Biochemistry and Molecular Biology II, Heinrich-Heine-University of Düesseldorf, NRW, Germany
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48
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Kahlina K, Goren I, Pfeilschifter J, Frank S. p68 DEAD Box RNA Helicase Expression in Keratinocytes. J Biol Chem 2004; 279:44872-82. [PMID: 15304501 DOI: 10.1074/jbc.m402467200] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Nitric oxide (NO) represents a short lived mediator that pivotally drives keratinocyte movements during cutaneous wound healing. In this study, we have identified p68 DEAD box RNA helicase (p68) from an NO-induced differential keratinocyte cDNA library. Subsequently, we have analyzed regulation of p68 by wound-associated mediators in human and murine keratinocytes. NO, serum, growth factors, and pro-inflammatory cytokines were potent inducers of p68 expression in the cells. p68 was constitutively expressed in the epithelial compartment of murine skin. Upon injury, we found a transient down-regulation of overall p68 protein in wound tissue. However, p68 did not completely disappear during early wound repair, as we found an expression of p68 protein in isolated wound margin tissue 24 h after wounding. Moreover, immunohistochemistry and cell fractionation analysis revealed a restricted localization of p68 in keratinocyte nuclei of the developing epithelium. Accordingly, cultured keratinocytes also showed a nuclear localization of the helicase. Moreover, confocal microscopy revealed a strong localization of p68 protein within the nucleoli of the cells. Functional analyses demonstrated that p68 strongly participated in keratinocyte proliferation and gene expression. Keratinocytes that constitutively overexpressed p68 protein were characterized by a marked increase in serum-induced proliferation and vascular endothelial growth factor expression, whereas down-regulation of endogenous p68 using small interfering RNA markedly attenuated serum-induced proliferation and vascular endothelial growth factor expression. Altogether, our results suggest a tightly controlled expression and nucleolar localization of p68 in keratinocytes in vitro and during skin repair in vivo that functionally contributes to keratinocyte proliferation and gene expression.
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Affiliation(s)
- Kornelija Kahlina
- Pharmazentrum Frankfurt, Klinikum der Johann Wolfgang Goethe-Universität, Theodor-Stern-Kai 7, D-60590 Frankfurt am Main, Germany
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Abstract
Arginine is a dibasic, cationic, semiessential amino acid with numerous roles in cellular metabolism. It serves as an intermediate in the urea cycle and as a precursor for protein, polyamine, creatine and nitric oxide (NO) biosynthesis. Arginine is conditionally essential since it becomes necessary under periods of growth and after recovery after injury. Arginine also promotes wound healing and functions as a secretagogue stimulating the release of growth hormone, insulin-like growth factor 1, insulin, and prolactin. Furthermore, arginine has several immunomodulatory effects such as stimulating T- and natural killer cell activity and influencing pro-inflammatory cytokine levels. The discover that l-arginine is the sole precursor for the multifunctional messenger molecule nitric oxide (NO) led to investigation into the role of arginine in numerous physiologic and pathophysiologic phenomena including cancer. Although NO was first identified in endothelial cells, it is now recognized to be generated by a variety of cell types, including several tumor cell lines and solid human tumors. Unfortunately, the precise role of NO in cancer is poorly understood but it may influence tumor initiation, promotion, and progression, tumor-cell adhesion, apoptosis angiogenesis, differentiation, chemosensitivity, radiosensitivity, and tumor-induced immunosuppression. The biological effects of NO are complex and dependent upon numerous regulatory factors. Further research is necessary to enhance our understanding of the complex mechanisms that regulate NO's role in tumor biology. A better understanding of the role of arginine-derived NO in cancer may lead to novel antineoplastic and chemopreventative strategies.
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Affiliation(s)
- D Scott Lind
- Department of Surgery, University of Florida College of Medicine, Surgical Services, North Florida South Georgia VA Health Care System, Gainesville, FL 32608, USA.
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Boissel JP, Ohly D, Bros M, Gödtel-Armbrust U, Förstermann U, Frank S. The Neuronal Nitric Oxide Synthase Is Upregulated in Mouse Skin Repair and in Response to Epidermal Growth Factor in Human HaCaT Keratinocytes. J Invest Dermatol 2004; 123:132-9. [PMID: 15191553 DOI: 10.1111/j.0022-202x.2004.22731.x] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Expression of nNOS mRNA was found in normal human and mouse skin tissue. Upon wounding, we observed a rapid downregulation of nNOS mRNA and protein in wounds of mice; however, when repair continued, nNOS mRNA was strongly upregulated and nNOS protein expression peaked at late stages of healing. Immunohistochemistry revealed wound keratinocytes as the cellular source of nNOS. In line with the in vivo situation, we found a basal expression of nNOS in the human keratinocyte cell line HaCaT. A marked stimulation of nNOS expression in the cells was achieved with epidermal growth factor receptor (EGFR) ligands such as epidermal growth factor (EGF), heparin-binding EGF, transforming growth factor-alpha and two alternate splicing forms of the neuregulin gene. EGF-induced induction of nNOS was completely inhibited by the specific EGFR antagonist PD153035 and by the EGFR and Janus kinase 2/3 inhibitor AG490. Activation of EGFR might contribute to the observed upregulation of nNOS also in skin repair, as we found a spatial and temporal correlation of phosphorylated EGFR (Y1173) with nNOS expression at the wound site. Thus, in addition to the inducible- and endothelial-type NOS isoforms, also nNOS expression is regulated in the process of cutaneous wound repair.
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Affiliation(s)
- Jean-Paul Boissel
- Department of Pharmacology, Johannes Gutenberg University, Mainz, Germany.
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