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Kępczyński J, Cembrowska-Lech D. Application of flow cytometry with a fluorescent dye to measurement of intracellular nitric oxide in plant cells. PLANTA 2018; 248:279-291. [PMID: 29704056 PMCID: PMC6061057 DOI: 10.1007/s00425-018-2901-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Accepted: 04/22/2018] [Indexed: 05/07/2023]
Abstract
A simple and rapid method involving flow cytometry and NO-specific probe (DAF-FM DA) proved useful for detection and determination of intracellular NO production in Medicago truncatula suspension cells and leaves as well as in cells of Avena fatua, Amaranthus retroflexus embryos and leaves. The measurement of nitric oxide (NO) in plant material is important for examining the regulatory roles of endogenous NO in various physiological processes. The possibility of detecting and determining intracellular NO production by flow cytometry (FCM) with 4-amino-5-methylamino-2',7'-difluorofluorescein (DAF-FM DA), an NO-specific probe in Medicago truncatula cells in suspension and leaves as well as in cells of embryos and leaves of Avena fatua L. or Amaranthus retroflexus L. was explored. To detect and measure NO production by cell suspension or embryos and leaves, the recommended DAF-FM DA concentration is 5 or 10 µM, respectively, applied for 30 min. Exogenous NO increased the intensity of the fluorescent signal in embryos and leaves of both plants, while carboxy-PTIO (cPTIO), an NO scavenger, decreased it. Thus, these results demonstrate that NO can be detected and an increase and a decrease of its intracellular level can be estimated. Wounding was observed to increase the fluorescence signal, indicating an increase in the intracellular NO level. In addition, the levels of exogenous and endogenous ascorbic acid were demonstrated to have no effect on the NO-related fluorescence signal, indicating the signal's specificity only in relation with NO. The applicability of the proposed method for detection and determination of NO was confirmed (1) by in situ NO imaging in cell suspensions and (2) by determining the NO concentration in embryos and leaves using the Griess reagent. In view of the data obtained, FCM is recommended as a rapid and simple method with which to detect and determine intracellular NO production in plant cells.
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Affiliation(s)
- Jan Kępczyński
- Department of Plant Physiology and Genetic Engineering, Faculty of Biology, University of Szczecin, Wąska 13, 71-415, Szczecin, Poland.
| | - Danuta Cembrowska-Lech
- Department of Plant Physiology and Genetic Engineering, Faculty of Biology, University of Szczecin, Wąska 13, 71-415, Szczecin, Poland
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2
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Hu M, Zhao W, Li H, Gu J, Yan Q, Zhou X, Pan Z, Cui G, Jiao X. Immunization with recombinant Salmonella expressing SspH2-EscI protects mice against wild type Salmonella infection. BMC Vet Res 2018. [PMID: 29523140 PMCID: PMC5845362 DOI: 10.1186/s12917-018-1404-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Background Enhancing caspase-1 activation in macrophages is helpful for the clearance of intracellular bacteria in mice. Our previous studies have shown that EscI, an inner rod protein of type III system in E. coli can enhance caspase-1 activation. The purpose of this study was to further analyze the prospect of EscI in the vaccine design. Results A recombinant Salmonella expressing SspH2-EscI fusion protein using the promotor of Salmonella effector SspH2, X4550(pYA3334-P-SspH2-EscI), was constructed. A control recombinant Salmonella expressing SspH2 only X4550(pYA3334-P-SspH2) was also constructed. In the early stage of in vitro infection of mouse peritoneal macrophages, X4550(pYA3334-P-SspH2-EscI) could significantly (P < 0.05) enhance intracellular caspase-1 activation and pyroptotic cell death of macrophages, when compared with X4550(pYA3334-P-SspH2). Except for the intracellular pH value, the levels of reactive oxygen species, intracellular concentration of calcium ions, nitric oxide and mitochondrial membrane potential in macrophages were not significantly different between the cells infected with X4550(pYA3334-P-SspH2-EscI) and those infected with X4550(pYA3334-P-SspH2). Besides, only lower inflammatory cytokines secretion was induced by X4550(pYA3334-P-SspH2-EscI) than X4550(pYA3334-P-SspH2). After intravenous immunization of mice (1 × 106 cfu/mouse), the colonization of X4550(pYA3334-P-SspH2-EscI) in mice was significantly limited at one week post immunization (wpi), when compared with X4550(pYA3334-P-SspH2) (P < 0.05). The population of activated CD8+T lymphocytes in mouse spleens induced by X4550(pYA3334-P-SspH2-EscI) was lower than that induced by X4550(pYA3334-P-SspH2) at 2–3 wpi, and the ratio of CD4+T cells to CD8+T cells decreased. The blood coagulation assay indicated that no significant difference was found between X4550(pYA3334-P-SspH2-EscI) and uninfected control, while X4550(pYA3334-P-SspH2) could induce the quick coagulation. Notably, immunization of X4550(pYA3334-P-SspH2-EscI) could limit the colonization of challenged Salmonella strains in the early stage of infection and provide more effective protection. Conclusion The activation of caspase-1 in macrophages by EscI can be used in the design of live attenuated Salmonella vaccine candidate.
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Affiliation(s)
- Maozhi Hu
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, Jiangsu, 225009, China. .,Jiangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou, Jiangsu, 225009, China.
| | - Weixin Zhao
- College of Tourism & Cuisine (College of Food Science and Engineering), Yangzhou University, Yangzhou, Jiangsu, 225009, China
| | - Hongying Li
- Jiangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou, Jiangsu, 225009, China
| | - Jie Gu
- Jiangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou, Jiangsu, 225009, China
| | - Qiuxiang Yan
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, Jiangsu, 225009, China
| | - Xiaohui Zhou
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, Jiangsu, 225009, China.,Jiangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou, Jiangsu, 225009, China.,Department of Pathobiology and Veterinary Science, University of Connecticut, Storrs, CT, 06269-3089, USA
| | - Zhiming Pan
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, Jiangsu, 225009, China.,Jiangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou, Jiangsu, 225009, China
| | - Guiyou Cui
- College of Tourism & Cuisine (College of Food Science and Engineering), Yangzhou University, Yangzhou, Jiangsu, 225009, China
| | - Xinan Jiao
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, Jiangsu, 225009, China.,Jiangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou, Jiangsu, 225009, China
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3
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Stiff A, Trikha P, Mundy-Bosse B, McMichael E, Mace TA, Benner B, Kendra K, Campbell A, Gautam S, Abood D, Landi I, Hsu V, Duggan M, Wesolowski R, Old M, Howard JH, Yu L, Stasik N, Olencki T, Muthusamy N, Tridandapani S, Byrd JC, Caligiuri M, Carson WE. Nitric Oxide Production by Myeloid-Derived Suppressor Cells Plays a Role in Impairing Fc Receptor-Mediated Natural Killer Cell Function. Clin Cancer Res 2018; 24:1891-1904. [PMID: 29363526 DOI: 10.1158/1078-0432.ccr-17-0691] [Citation(s) in RCA: 167] [Impact Index Per Article: 27.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Revised: 11/22/2017] [Accepted: 01/19/2018] [Indexed: 12/14/2022]
Abstract
Purpose: mAbs are used to treat solid and hematologic malignancies and work in part through Fc receptors (FcRs) on natural killer cells (NK). However, FcR-mediated functions of NK cells from patients with cancer are significantly impaired. Identifying the mechanisms of this dysfunction and impaired response to mAb therapy could lead to combination therapies and enhance mAb therapy.Experimental Design: Cocultures of autologous NK cells and MDSC from patients with cancer were used to study the effect of myeloid-derived suppressor cells (MDSCs) on NK-cell FcR-mediated functions including antibody-dependent cellular cytotoxicity, cytokine production, and signal transduction in vitro Mouse breast cancer models were utilized to study the effect of MDSCs on antibody therapy in vivo and test the efficacy of combination therapies including a mAb and an MDSC-targeting agent.Results: MDSCs from patients with cancer were found to significantly inhibit NK-cell FcR-mediated functions including antibody-dependent cellular cytotoxicity, cytokine production, and signal transduction in a contact-independent manner. In addition, adoptive transfer of MDSCs abolished the efficacy of mAb therapy in a mouse model of pancreatic cancer. Inhibition of iNOS restored NK-cell functions and signal transduction. Finally, nonspecific elimination of MDSCs or inhibition of iNOS in vivo significantly improved the efficacy of mAb therapy in a mouse model of breast cancer.Conclusions: MDSCs antagonize NK-cell FcR-mediated function and signal transduction leading to impaired response to mAb therapy in part through nitric oxide production. Thus, elimination of MDSCs or inhibition of nitric oxide production offers a strategy to improve mAb therapy. Clin Cancer Res; 24(8); 1891-904. ©2018 AACR.
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Affiliation(s)
- Andrew Stiff
- Medical Scientist Training Program, Columbus, Ohio.,Biomedical Sciences Graduate Program, The Ohio State University, Columbus, Ohio
| | - Prashant Trikha
- Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio
| | | | - Elizabeth McMichael
- Biomedical Sciences Graduate Program, The Ohio State University, Columbus, Ohio
| | - Thomas A Mace
- Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio
| | - Brooke Benner
- Biomedical Sciences Graduate Program, The Ohio State University, Columbus, Ohio
| | - Kari Kendra
- Division of Medical Oncology, Department of Internal Medicine, The Ohio State University, Columbus, Ohio
| | - Amanda Campbell
- Medical Scientist Training Program, Columbus, Ohio.,Biomedical Sciences Graduate Program, The Ohio State University, Columbus, Ohio
| | - Shalini Gautam
- Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio
| | - David Abood
- Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio
| | - Ian Landi
- Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio
| | - Vincent Hsu
- Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio
| | - Megan Duggan
- Biomedical Sciences Graduate Program, The Ohio State University, Columbus, Ohio
| | - Robert Wesolowski
- Division of Medical Oncology, Department of Internal Medicine, The Ohio State University, Columbus, Ohio
| | - Matthew Old
- Department of Otolaryngology, The Ohio State University, Columbus, Ohio
| | - John Harrison Howard
- Division of Surgical Oncology, Department of Surgery, The Ohio State University, Columbus, Ohio
| | - Lianbo Yu
- Department of Biomedical Informatics, The Ohio State University, Columbus, Ohio
| | - Nancy Stasik
- Division of Medical Oncology, Department of Internal Medicine, The Ohio State University, Columbus, Ohio
| | - Thomas Olencki
- Division of Medical Oncology, Department of Internal Medicine, The Ohio State University, Columbus, Ohio
| | - Natarajan Muthusamy
- Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio.,Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, Ohio
| | - Susheela Tridandapani
- Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio.,Department of Internal Medicine and Dorothy M. Davis Heart and Lung Research Institute, Columbus, Ohio
| | - John C Byrd
- Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio.,Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, Ohio
| | - Michael Caligiuri
- Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio.,Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, Ohio
| | - William E Carson
- Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio. .,Division of Surgical Oncology, Department of Surgery, The Ohio State University, Columbus, Ohio
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4
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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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Measurement of nitric oxide in mast cells with the fluorescent indicator DAF-FM diacetate. Methods Mol Biol 2015; 1220:339-45. [PMID: 25388261 DOI: 10.1007/978-1-4939-1568-2_21] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The production of nitric oxide in mast cells has been difficult to measure due to the low amounts made by mast cells, as well as limitations in the specificity and sensitivity of the assays available. We present here a sensitive and specific 96-well plate-based method to directly measure NO using the cell-permeable fluorescent compound DAF-FM diacetate.
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6
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Dias PM, Changarath J, Damodaran A, Joshi MK. Compositional variation among black tea across geographies and their potential influence on endothelial nitric oxide and antioxidant activity. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2014; 62:6655-6668. [PMID: 24990074 DOI: 10.1021/jf501611w] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Black tea (C. sinensis) consumption is well associated with enhanced endothelial function (EF) and reduced cardiovascular (CV) risk. This clinical end benefit is endorsed to flavonoids in tea. The black tea flavonoid composition varies across geographies and may impact its health benefits. Moreover, the underlying functional species and a precise working mechanism responsible for the observed health benefit also remain to be investigated. In this Article, we investigated the effect of black teas from various geographies (WoBTs) on different working mechanisms (antioxidant potential and endothelial function) proposed to influence certain risk factors of CVH, in vitro. Pearson correlation analysis showed that the antioxidant benefits are fairly influenced by majority of tea actives such as catechins, theaflavins, thearubigins, and phenolic acids, while NO potentiating effects are mainly regulated by catechins in black tea. The data also suggest that the net vascular function benefit of black tea is majorly influenced by NO enhancement, while mildly contributed by its antioxidant benefit.
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Affiliation(s)
- Paul Mark Dias
- Unilever R&D , Bangalore, #64, Main Road Whitefield, Bangalore-560066, India
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7
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Ozawa K, Komatsubara AT, Nishimura Y, Sawada T, Kawafune H, Tsumoto H, Tsuji Y, Zhao J, Kyotani Y, Tanaka T, Takahashi R, Yoshizumi M. S-nitrosylation regulates mitochondrial quality control via activation of parkin. Sci Rep 2014; 3:2202. [PMID: 23857542 PMCID: PMC3712319 DOI: 10.1038/srep02202] [Citation(s) in RCA: 73] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2013] [Accepted: 06/27/2013] [Indexed: 12/27/2022] Open
Abstract
Parkin, a ubiquitin E3 ligase of the ring between ring fingers family, has been implicated in mitochondrial quality control. A series of recent reports have suggested that the recruitment of parkin is regulated by phosphorylation. However, the molecular mechanism that activates parkin to induce mitochondrial degradation is not well understood. Here, and in contrast to previous reports that S-nitrosylation of parkin is exclusively inhibitory, we identify a previously unrecognized site of S-nitrosylation in parkin (Cys323) that induces mitochondrial degradation. We demonstrate that endogenous S-nitrosylation of parkin is in fact responsible for activation of its E3 ligase activity to induce aggregation and degradation. We further demonstrate that mitochondrial uncoupling agents result in denitrosylation of parkin, and that prevention of denitrosylation restores mitochondrial degradation. Our data indicates that NO both positive effects on mitochondrial quality control, and suggest that targeted S-nitrosylation could provide a novel therapeutic strategy against Parkinson's disease.
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Affiliation(s)
- Kentaro Ozawa
- Department of Pharmacology, Nara Medical University School of Medicine, Japan.
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8
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Hu M, Yang Y, Meng C, Pan Z, Jiao X. Responses of macrophages against Salmonella infection compared with phagocytosis. In Vitro Cell Dev Biol Anim 2013; 49:778-84. [PMID: 23949781 DOI: 10.1007/s11626-013-9672-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2013] [Accepted: 07/18/2013] [Indexed: 02/07/2023]
Abstract
To explore the responses of host cell after infection with live Salmonella compared with phagocytosis to dead bacteria, the responses of mouse macrophage after infection with Salmonella enteritidis C50041 and the fixed C50041 (C50041-d) were analyzed. Results indicated that the cytotoxicity induced by C50041 was stronger than C50041-d. Similar changing trends of mitochondrial membrane potential, intracellular concentration of calcium ions, reactive oxygen species and nitric oxide were found between C50041 and C50041-d infection. But the cell responses against C50041 were earlier and stronger than C50041-d. LC3 expression of macrophage induced by C50041 was lower than C50041-d. C50041 significantly inhibited the production of tumor necrosis factor and interleukin (IL)-6. Whereas intracellular caspase-1 activation and IL-1β release induced by C50041 were stronger than C50041-d, caspase-1 activation and IL-1β release are the innate defense responses of macrophage. Therefore, it will be beneficial to explore the use of this pathway in the control of Salmonella infection.
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Affiliation(s)
- Maozhi Hu
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, 225009, People's Republic of China
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9
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Siamwala JH, Dias PM, Majumder S, Joshi MK, Sinkar VP, Banerjee G, Chatterjee S. l-Theanine promotes nitric oxide production in endothelial cells through eNOS phosphorylation. J Nutr Biochem 2013; 24:595-605. [DOI: 10.1016/j.jnutbio.2012.02.016] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2011] [Revised: 02/23/2012] [Accepted: 02/28/2012] [Indexed: 10/28/2022]
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10
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Gentile C, Muise-Helmericks RC, Drake CJ. VEGF-mediated phosphorylation of eNOS regulates angioblast and embryonic endothelial cell proliferation. Dev Biol 2012; 373:163-75. [PMID: 23103584 DOI: 10.1016/j.ydbio.2012.10.020] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2012] [Revised: 10/04/2012] [Accepted: 10/16/2012] [Indexed: 10/27/2022]
Abstract
To evaluate potential roles of nitric oxide (NO) in the regulation of the endothelial lineage and neovascular processes (vasculogenesis and angiogenesis) we evaluated endothelial nitric oxide synthase (eNOS) and phosphorylated eNOS (p-eNOS) expression in 7.2-8.5 days post-coitum (dpc) mouse embryos. Analysis revealed that p-eNOS((S1177)) but not P-eNOS((S617)) or P-eNOS((T495)) was expressed in a subpopulation of angioblasts (TAL-1(+)/Flk-1(+)/CD31(-)/CD34(-)/VE-Cadherin(-)) at 7.2 dpc. A role of the VEGF/Akt1/eNOS signaling pathway in the regulation of the endothelial cell (EC) lineage was suggested by the strong correlation observed between cell division and p-eNOS((S1177)) expression in both angioblasts and embryonic endothelial cells (EECs, TAL-1(+)/Flk-1(+)/CD31(+)/CD34(+)/VE-Cadherin(+)). Our studies using Akt1 null mouse embryos show a reduction in p-eNOS((S1177)) expression in angioblast and EECs that is correlated with a decrease in endothelial cell proliferation and results in changes in VEGF-induced vascular patterning. Further, we show that VEGF-mediated cell proliferation in Flk-1(+) cells in allantoic cultures is decreased by pharmacological inhibitors of the VEGF/Akt1/eNOS signaling pathways. Taken together, our findings suggest that VEGF-mediated eNOS phosphorylation on Ser1177 regulates angioblast and EEC division, which underlies the formation of blood vessels and vascular networks.
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Affiliation(s)
- Carmine Gentile
- Department of Regenerative Medicine and Cell Biology, Medical University of South Carolina, Charleston, SC 29425, USA
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11
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Choi SJ, Tai BH, Cuong NM, Kim YH, Jang HD. Antioxidative and anti-inflammatory effect of quercetin and its glycosides isolated from mampat (Cratoxylum formosum). Food Sci Biotechnol 2012. [DOI: 10.1007/s10068-012-0075-4] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
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12
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Mattiello T, Costantini M, Di Matteo B, Livigni S, Andouche A, Bonnaud L, Palumbo A. The dynamic nitric oxide pattern in developing cuttlefish Sepia officinalis. Dev Dyn 2012; 241:390-402. [PMID: 22275228 DOI: 10.1002/dvdy.23722] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/30/2011] [Indexed: 11/07/2022] Open
Abstract
BACKGROUND Nitric oxide (NO) is implied in many important biological processes in all metazoans from porifera to chordates. In the cuttlefish Sepia officinalis NO plays a key role in the defense system and neurotransmission. RESULTS Here, we detected for the first time NO, NO synthase (NOS) and transcript levels during the development of S. officinalis. The spatial pattern of NO and NOS is very dynamic, it begins during organogenesis in ganglia and epithelial tissues, as well as in sensory cells. At later stages, NO and NOS appear in organs and/or structures, including Hoyle organ, gills and suckers. Temporal expression of NOS, followed by real-time PCR, changes during development reaching the maximum level of expression at stage 26. CONCLUSIONS Overall these data suggest the involvement of NO during cuttlefish development in different fundamental processes, such as differentiation of neural and nonneural structures, ciliary beating, sensory cell maintaining, and organ functioning.
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Affiliation(s)
- Teresa Mattiello
- Laboratory of Cellular and Developmental Biology, Stazione Zoologica Anton Dohrn, Naples, Italy
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