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Bioactive Compounds (BACs): A Novel Approach to Treat and Prevent Cardiovascular Diseases. Curr Probl Cardiol 2023; 48:101664. [PMID: 36841315 DOI: 10.1016/j.cpcardiol.2023.101664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Accepted: 02/17/2023] [Indexed: 02/26/2023]
Abstract
Cardiovascular diseases (CVDs) are one of the leading disorders of serious death and cause huge economic loss to patients and society. It is estimated that about 18 million people have a high death ratio due to the incidence of CVDs such as (stroke, coronary heart disease, and non-ischemic heart failure). Bioactive compounds (BACs) are healthy nutritional ingredients providing beneficial effects and nutritional value to the human body. Epidemiological studies strongly shed light on several bioactive compounds that are favorable candidates for CVDs treatment. Globally, the high risk of CVDs and related results on human body parts made them a serious scenario in all communities. In this present review, we intend to collect previously published data concerned over the years concerning green-colored foods and their BACs that aim to work in the prevention, diagnosis, and/or systematic treating CVDs. We also comprehensively discussed the oral delivery of several bioactive compounds derived from fruits and vegetables and their bioavailability and physiological effects on human health. Moreover, their important characteristics, such as anti-inflammatory, lowering blood pressure, anti-obesity, antioxidant, anti-diabetics, lipid-lowering responses, improving atherosclerosis, and cardioprotective properties, will be elaborated further. More precisely, medicinal plants' advantages and multifaceted applications have been reported in this literature to treat CVDs. To the best of our knowledge, this is our first attempt that will open a new window in the area of CVDs with the opportunity to achieve a better prognosis and effective treatment for CVDs.
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McCarty G, Dunaway LE, Denison JD, Sombers LA. Neurotransmitter Readily Escapes Detection at the Opposing Microelectrode Surface in Typical Amperometric Measurements of Exocytosis at Single Cells. Anal Chem 2022; 94:9548-9556. [PMID: 35750055 PMCID: PMC9281607 DOI: 10.1021/acs.analchem.2c00060] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
For decades, carbon-fiber microelectrodes have been used in amperometric measurements of neurotransmitter release at a wide variety of cell types, providing a tremendous amount of valuable information on the mechanisms involved in dense-core vesicle fusion. The electroactive molecules that are released can be detected at the opposing microelectrode surface, allowing for precise quantification as well as detailed kinetic information on the stages of neurotransmitter release. However, it remains unclear how much of the catecholamine that is released into the artificial synapse escapes detection. This work examines two separate mechanisms by which released neurotransmitter goes undetected in a typical amperometric measurement. First, diffusional loss is assessed by monitoring exocytosis at single bovine chromaffin cells using carbon-fiber microelectrodes fabricated in a recessed (cavity) geometry. This creates a microsampling vial that minimizes diffusional loss of analyte prior to detection. More molecules were detected per exocytotic release event when using a recessed cavity sensor as compared to the conventional configuration. In addition, pharmacological inhibition of the norepinephrine transporter (NET), which serves to remove catecholamine from the extracellular space, increased both the size and the time course of individual amperometric events. Overall, this study characterizes distinct physical and biological mechanisms by which released neurotransmitter escapes detection at the opposing microelectrode surface, while also revealing an important role for the NET in "presynaptic" modulation of neurotransmitter release.
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Affiliation(s)
- Gregory
S. McCarty
- Department
of Chemistry and Comparative Medicine Institute, North Carolina
State University, Raleigh, North Carolina 27695, United States
| | - Lars E. Dunaway
- Department
of Chemistry and Comparative Medicine Institute, North Carolina
State University, Raleigh, North Carolina 27695, United States
| | - J. Dylan Denison
- Department
of Chemistry and Comparative Medicine Institute, North Carolina
State University, Raleigh, North Carolina 27695, United States
| | - Leslie A. Sombers
- Department
of Chemistry and Comparative Medicine Institute, North Carolina
State University, Raleigh, North Carolina 27695, United States
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3
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Wang M, Liu Y, Du J, Zhou J, Cao L, Li X. Cisplatin Inhibits Neurotransmitter Release during Exocytosis from Single Chromaffin Cells Monitored with Single Cell Amperometry. ELECTROANAL 2022. [DOI: 10.1002/elan.202100398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Mengying Wang
- Key Laboratory of Mass Spectrometry Imaging and Metabolomics Minzu University of China) National Ethnic Affairs Commission Beijing 100081 China
- Center for Imaging and Systems Biology, College of Life and Environmental Sciences Minzu University of China Beijing 100081 China
| | - Yuying Liu
- Key Laboratory of Mass Spectrometry Imaging and Metabolomics Minzu University of China) National Ethnic Affairs Commission Beijing 100081 China
- Center for Imaging and Systems Biology, College of Life and Environmental Sciences Minzu University of China Beijing 100081 China
| | - Jinchang Du
- Key Laboratory of Mass Spectrometry Imaging and Metabolomics Minzu University of China) National Ethnic Affairs Commission Beijing 100081 China
- Center for Imaging and Systems Biology, College of Life and Environmental Sciences Minzu University of China Beijing 100081 China
| | - Junlan Zhou
- Key Laboratory of Mass Spectrometry Imaging and Metabolomics Minzu University of China) National Ethnic Affairs Commission Beijing 100081 China
- Center for Imaging and Systems Biology, College of Life and Environmental Sciences Minzu University of China Beijing 100081 China
| | - Lijiao Cao
- Key Laboratory of Mass Spectrometry Imaging and Metabolomics Minzu University of China) National Ethnic Affairs Commission Beijing 100081 China
- Center for Imaging and Systems Biology, College of Life and Environmental Sciences Minzu University of China Beijing 100081 China
| | - Xianchan Li
- Key Laboratory of Mass Spectrometry Imaging and Metabolomics Minzu University of China) National Ethnic Affairs Commission Beijing 100081 China
- Center for Imaging and Systems Biology, College of Life and Environmental Sciences Minzu University of China Beijing 100081 China
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Zhang X, Wang J, Liang J, Liu Z, Shen X, Liu Y, Li X, Xu Z, Lei Y, Lei H. A novel self-aggregated gold nanoparticles based on sensitive immunochromatographic assays for highly detection of opium poppy in herbal teas. Food Chem 2022; 390:133188. [PMID: 35567969 DOI: 10.1016/j.foodchem.2022.133188] [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: 12/22/2021] [Revised: 05/02/2022] [Accepted: 05/06/2022] [Indexed: 11/17/2022]
Abstract
Opium poppy abused in food has aroused public concerns due to its serious side effects. Effective monitoring is essential to fight the abuse crisis. Herein, we synthesized an easily prepared, affordable, accessible highly aggregated gold nanoparticles (AGNPs) performing in lateral flow immunoassay (LFIA) for detection opium poppy in herbal teas. Simultaneously, a LFIA based ontime-resolved fluorescent microspheres (TRFMs) was developed as contrastive method. In this study, morphine (MOR), codeine (COD) and thebaine (THE) were as the specific recognition markers of opium poppy. Results demonstrated the quantitative limits of detection were 0.0049/0.0053/0.084, 0.034/0.037/0.37 ng mL-1 for AGNPs/TRFMs-LFIA, respectively. The recoveries were 95%-107.5%/91%-106.7% with coefficient of variation was 1.6%-6.6%/1.8%-7.2%, indicating excellent accuracy and precision. Parallel experiments among AGNPs/TRFMs-LFIA and LC-MS/MS analysis showed good correlation. Overall, AGNPs-LFIA executed quantitative analysis within 15 min on the basis of simple treatment while providing a rapid and sensitive analysis strategy for illegal drugs abused.
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Affiliation(s)
- Xuan Zhang
- Guangdong Provincial Key Laboratory of Food Quality and Safety / National-Local Joint Engineering Research Center for Machining and Safety of Livestock and Poultry Products, South China Agricultural University, Guangzhou 510642, China
| | - Jin Wang
- Guangdong Provincial Key Laboratory of Food Quality and Safety / National-Local Joint Engineering Research Center for Machining and Safety of Livestock and Poultry Products, South China Agricultural University, Guangzhou 510642, China
| | - Jianhao Liang
- Guangdong Provincial Key Laboratory of Food Quality and Safety / National-Local Joint Engineering Research Center for Machining and Safety of Livestock and Poultry Products, South China Agricultural University, Guangzhou 510642, China
| | - Zhiwei Liu
- Guangdong Provincial Key Laboratory of Food Quality and Safety / National-Local Joint Engineering Research Center for Machining and Safety of Livestock and Poultry Products, South China Agricultural University, Guangzhou 510642, China
| | - Xing Shen
- Guangdong Provincial Key Laboratory of Food Quality and Safety / National-Local Joint Engineering Research Center for Machining and Safety of Livestock and Poultry Products, South China Agricultural University, Guangzhou 510642, China
| | - Yingju Liu
- Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China
| | - Xiangmei Li
- Guangdong Provincial Key Laboratory of Food Quality and Safety / National-Local Joint Engineering Research Center for Machining and Safety of Livestock and Poultry Products, South China Agricultural University, Guangzhou 510642, China
| | - Zhenlin Xu
- Guangdong Provincial Key Laboratory of Food Quality and Safety / National-Local Joint Engineering Research Center for Machining and Safety of Livestock and Poultry Products, South China Agricultural University, Guangzhou 510642, China
| | - Yi Lei
- Guangdong Institute of Food Inspection, Guangzhou 510435, China
| | - Hongtao Lei
- Guangdong Provincial Key Laboratory of Food Quality and Safety / National-Local Joint Engineering Research Center for Machining and Safety of Livestock and Poultry Products, South China Agricultural University, Guangzhou 510642, China.
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Gruba S, Francis DH, Meyer AF, Spanolios E, He J, Meyer BM, Kim D, Xiong-Hang K, Haynes CL. Characterization of the Presence and Function of Platelet Opioid Receptors. ACS MEASUREMENT SCIENCE AU 2022; 2:4-13. [PMID: 35844953 PMCID: PMC9281475 DOI: 10.1021/acsmeasuresciau.1c00012] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Opioids are typically used for the treatment of pain related to disease or surgery. In the body, they enter the bloodstream and interact with a variety of immune and neurological cells that express the μ-, δ-, and κ-opioid receptors. One blood-borne cell-like body that is not well understood in the context of opioid interactions is the platelet. The platelet is a highly sensitive anucleate cell-like fragment responsible for maintaining hemostasis through shape change and the secretion of chemical messengers. This research characterizes platelet opioid receptors, how specific receptor agonists impact platelet exocytosis, and the role of the κ-and μ-receptors in platelet function. Platelets were found to express all three opioid receptors, but upon stimulation with their respective agonist no activation was detected. Furthermore, exposure to the opioid agonists did not impact traditional platelet secretion stimulated by thrombin, a natural platelet activator. In addition, data collected from knockout mice suggest that the opioid agonists may be interacting nonspecifically with platelets. Dark-field images revealed differences in activated platelet shape between the κ- and μ-knockout platelets and the control platelets. Finally, κ-knockout platelets showed variations in their ability to adhere and aggregate compared to control platelets. Overall, these data show that platelet function is not likely to be heavily affected by blood-borne opioids.
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Xiong-Hang K, Haynes CL. Plasmodium chabaudi Affects Mast Cell Degranulation as Measured by Carbon-Fiber Microelectrode Amperometry. ACS Infect Dis 2021; 7:1650-1656. [PMID: 33856187 DOI: 10.1021/acsinfecdis.0c00820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Mast cells (MCs) are effector cells of the immune system commonly known for their role in asthma and allergy. They are present throughout biological systems in various tissues, serving as an interface between the biological system and environment. Previous work characterizing the impact of malaria on MCs revealed contradictory results, showing minimal to strong correlation between MC degranulation and disease progression. This work seeks to reveal how MC degranulation is impacted in the presence of malaria, induced by Plasmodium chabaudi, using a mouse model and a single cell measurement technique that reveals exquisite biophysical detail about any impacts to the degranulation process. It was hypothesized that the malaria parasites would impact MC degranulation response during live infection, and the differences would be revealed via carbon-fiber microelectrode amperometry. In fact, the data collected show that different stages of malaria infection affect MC degranulation differently, affirming the importance of considering different infection stages in future studies of malarial immune response. Furthermore, a comparison of MC degranulation response to that measured from platelets under similar circumstances shows similar trends in quantitative degranulation, suggesting that MC and platelet exocytosis machinery are affected similarly despite their distinct biological roles. However, based on the small number of mouse replicates, the studies herein suggest that there should be further study about cellular and disease processes. Overall, the work herein reveals important details about the role of MCs in malaria progression, relevant during treatment decisions, as well as a potentially generalizable impact on chemical messenger secretion from cells during malarial progression.
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Affiliation(s)
- Kang Xiong-Hang
- Department of Chemistry, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota 55455, United States
| | - Christy L. Haynes
- Department of Chemistry, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota 55455, United States
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Liu Y, Du J, Wang M, Zhang J, Liu C, Li X. Recent Progress in Quantitatively Monitoring Vesicular Neurotransmitter Release and Storage With Micro/Nanoelectrodes. Front Chem 2021; 8:591311. [PMID: 33505953 PMCID: PMC7831278 DOI: 10.3389/fchem.2020.591311] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Accepted: 11/20/2020] [Indexed: 01/31/2023] Open
Abstract
Exocytosis is one of the essential steps for chemical signal transmission between neurons. In this process, vesicles dock and fuse with the plasma membrane and release the stored neurotransmitters through fusion pores into the extracellular space, and all of these steps are governed with various molecules, such as proteins, ions, and even lipids. Quantitatively monitoring vesicular neurotransmitter release in exocytosis and initial neurotransmitter storage in individual vesicles is significant for the study of chemical signal transmission of the central nervous system (CNS) and neurological diseases. Electrochemistry with micro/nanoelectrodes exhibits great spatial-temporal resolution and high sensitivity. It can be used to examine the exocytotic kinetics from the aspect of neurotransmitters and quantify the neurotransmitter storage in individual vesicles. In this review, we first introduce the recent advances of single-cell amperometry (SCA) and the nanoscale interface between two immiscible electrolyte solutions (nanoITIES), which can monitor the quantity and release the kinetics of electrochemically and non-electrochemically active neurotransmitters, respectively. Then, the development and application of the vesicle impact electrochemical cytometry (VIEC) and intracellular vesicle impact electrochemical cytometry (IVIEC) and their combination with other advanced techniques can further explain the mechanism of neurotransmitter storage in vesicles before exocytosis. It has been proved that these electrochemical techniques have great potential in the field of neuroscience.
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Affiliation(s)
| | | | | | | | - Chunlan Liu
- Center for Imaging and Systems Biology, College of Life and Environmental Sciences, Minzu University of China, Beijing, China
| | - Xianchan Li
- Center for Imaging and Systems Biology, College of Life and Environmental Sciences, Minzu University of China, Beijing, China
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Dembélé KC, Mintz T, Veyrat-Durebex C, Chabrun F, Chupin S, Tessier L, Simard G, Henrion D, Mirebeau-Prunier D, Chao de la Barca JM, Tharaux PL, Reynier P. Metabolomic Profiling of Plasma and Erythrocytes in Sickle Mice Points to Altered Nociceptive Pathways. Cells 2020; 9:cells9061334. [PMID: 32466566 PMCID: PMC7349104 DOI: 10.3390/cells9061334] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 05/21/2020] [Accepted: 05/23/2020] [Indexed: 12/26/2022] Open
Abstract
Few data-driven metabolomic approaches have been reported in sickle cell disease (SCD) to date. We performed a metabo-lipidomic study on the plasma and red blood cells of a steady-state mouse model carrying the homozygous human hemoglobin SS, compared with AS and AA genotypes. Among the 188 metabolites analyzed by a targeted quantitative metabolomic approach, 153 and 129 metabolites were accurately measured in the plasma and red blood cells, respectively. Unsupervised PCAs (principal component analyses) gave good spontaneous discrimination between HbSS and controls, and supervised OPLS-DAs (orthogonal partial least squares-discriminant analyses) provided highly discriminant models. These models confirmed the well-known deregulation of nitric oxide synthesis in the HbSS genotype, involving arginine deficiency and increased levels of dimethylarginines, ornithine, and polyamines. Other discriminant metabolites were newly evidenced, such as hexoses, alpha-aminoadipate, serotonin, kynurenine, and amino acids, pointing to a glycolytic shift and to the alteration of metabolites known to be involved in nociceptive pathways. Sharp remodeling of lysophosphatidylcholines, phosphatidylcholines, and sphingomyelins was evidenced in red blood cells. Our metabolomic study provides an overview of the metabolic remodeling induced by the sickle genotype in the plasma and red blood cells, revealing a biological fingerprint of altered nitric oxide, bioenergetics and nociceptive pathways.
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Affiliation(s)
- Klétigui Casimir Dembélé
- Faculté de Pharmacie, Université des Sciences, des Techniques et des Technologies de Bamako BP, Bamako 1805, Mali;
- Département de Biochimie et Génétique, Centre Hospitalier Universitaire, 49933 Angers, France; (F.C.); (S.C.); (L.T.); (G.S.); (D.M.-P.); (J.M.C.d.l.B.)
- Unité Mixte de Recherche (UMR) MITOVASC, Centre National de la Recherche Scientifique (CNRS) 6015, Institut National de la Santé et de la Recherche Médicale (INSERM) U1083, Université d’Angers, 49933 Angers, France;
| | - Thomas Mintz
- Paris Cardiovascular Centre (PARCC), Institut National de la Santé et de la Recherche Médicale (INSERM), 75015 Paris, France;
| | - Charlotte Veyrat-Durebex
- Institut National de la Santé et de la Recherche Médicale (INSERM) U1253, Université François Rabelais de Tours, 37000 Tours, France;
- Laboratoire de Biochimie et Biologie Moléculaire, Centre Hospitalier Universitaire de Tours, 37000 Tours, France
| | - Floris Chabrun
- Département de Biochimie et Génétique, Centre Hospitalier Universitaire, 49933 Angers, France; (F.C.); (S.C.); (L.T.); (G.S.); (D.M.-P.); (J.M.C.d.l.B.)
- Unité Mixte de Recherche (UMR) MITOVASC, Centre National de la Recherche Scientifique (CNRS) 6015, Institut National de la Santé et de la Recherche Médicale (INSERM) U1083, Université d’Angers, 49933 Angers, France;
| | - Stéphanie Chupin
- Département de Biochimie et Génétique, Centre Hospitalier Universitaire, 49933 Angers, France; (F.C.); (S.C.); (L.T.); (G.S.); (D.M.-P.); (J.M.C.d.l.B.)
| | - Lydie Tessier
- Département de Biochimie et Génétique, Centre Hospitalier Universitaire, 49933 Angers, France; (F.C.); (S.C.); (L.T.); (G.S.); (D.M.-P.); (J.M.C.d.l.B.)
| | - Gilles Simard
- Département de Biochimie et Génétique, Centre Hospitalier Universitaire, 49933 Angers, France; (F.C.); (S.C.); (L.T.); (G.S.); (D.M.-P.); (J.M.C.d.l.B.)
| | - Daniel Henrion
- Unité Mixte de Recherche (UMR) MITOVASC, Centre National de la Recherche Scientifique (CNRS) 6015, Institut National de la Santé et de la Recherche Médicale (INSERM) U1083, Université d’Angers, 49933 Angers, France;
| | - Delphine Mirebeau-Prunier
- Département de Biochimie et Génétique, Centre Hospitalier Universitaire, 49933 Angers, France; (F.C.); (S.C.); (L.T.); (G.S.); (D.M.-P.); (J.M.C.d.l.B.)
- Unité Mixte de Recherche (UMR) MITOVASC, Centre National de la Recherche Scientifique (CNRS) 6015, Institut National de la Santé et de la Recherche Médicale (INSERM) U1083, Université d’Angers, 49933 Angers, France;
| | - Juan Manuel Chao de la Barca
- Département de Biochimie et Génétique, Centre Hospitalier Universitaire, 49933 Angers, France; (F.C.); (S.C.); (L.T.); (G.S.); (D.M.-P.); (J.M.C.d.l.B.)
- Unité Mixte de Recherche (UMR) MITOVASC, Centre National de la Recherche Scientifique (CNRS) 6015, Institut National de la Santé et de la Recherche Médicale (INSERM) U1083, Université d’Angers, 49933 Angers, France;
| | - Pierre-Louis Tharaux
- Paris Cardiovascular Centre (PARCC), Institut National de la Santé et de la Recherche Médicale (INSERM), 75015 Paris, France;
- Université Paris Descartes, Sorbonne Paris Cité, 75006 Paris, France
- Nephrology Division, Georges Pompidou European Hospital, Assistance Publique-Hôpitaux de Paris, 75015 Paris, France
- Correspondence: (P.-L.T.); (P.R.)
| | - Pascal Reynier
- Département de Biochimie et Génétique, Centre Hospitalier Universitaire, 49933 Angers, France; (F.C.); (S.C.); (L.T.); (G.S.); (D.M.-P.); (J.M.C.d.l.B.)
- Unité Mixte de Recherche (UMR) MITOVASC, Centre National de la Recherche Scientifique (CNRS) 6015, Institut National de la Santé et de la Recherche Médicale (INSERM) U1083, Université d’Angers, 49933 Angers, France;
- Correspondence: (P.-L.T.); (P.R.)
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Manning BM, Gruba SM, Meyer AF, Haynes CL. Neuropeptide-Induced Mast Cell Degranulation and Characterization of Signaling Modulation in Response to IgE Conditioning. ACS Chem Biol 2016; 11:3077-3083. [PMID: 27580075 DOI: 10.1021/acschembio.6b00616] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
As tissue-resident immune cells, mast cells are frequently found in close proximity to afferent neurons and are subjected to immunoactive mediators secreted by these neurons, including substance P (SP) and calcitonin gene-related peptide (CGRP). Neurogenic inflammation is thought to play an important role in the pathophysiology of many diseases. Unraveling the cellular mechanisms at the interface between the immune response and the peripheral nervous system is important for understanding how these diseases arise and progress. In this work, mast cell degranulation following direct exposure to CGRP and SP was studied both at the bulk and single-cell levels to characterize the mouse peritoneal mast cell response to neuropeptides and compare this response to well-studied mast cell activation pathways. Results show that mast cells secrete fewer chemical messenger-filled granules with increased IgE preincubation concentrations. The biophysical characteristics of mast cell degranulation in response to SP and CGRP is in many ways similar to calcium ionophore-induced mast cell degranulation; however, neuropeptide-stimulated mast cells secrete reduced chemical messenger content per secretion event, resulting in an overall relative decrease in secreted chemical messengers.
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Affiliation(s)
- Benjamin M. Manning
- Department of Chemistry, University of Minnesota, 207 Pleasant
Street SE, Minneapolis, Minnesota 55455, United States
| | - Sarah M. Gruba
- Department of Chemistry, University of Minnesota, 207 Pleasant
Street SE, Minneapolis, Minnesota 55455, United States
| | - Audrey F. Meyer
- Department of Chemistry, University of Minnesota, 207 Pleasant
Street SE, Minneapolis, Minnesota 55455, United States
| | - Christy L. Haynes
- Department of Chemistry, University of Minnesota, 207 Pleasant
Street SE, Minneapolis, Minnesota 55455, United States
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A novel N-doped carbon nanotube fiber for selective and reliable electrochemical determination of ascorbic acid in rat brain microdialysates. J Electroanal Chem (Lausanne) 2016. [DOI: 10.1016/j.jelechem.2016.10.027] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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11
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Manning BM, Meyer AF, Gruba SM, Haynes CL. Single-cell analysis of mast cell degranulation induced by airway smooth muscle-secreted chemokines. Biochim Biophys Acta Gen Subj 2015; 1850:1862-8. [PMID: 25986989 DOI: 10.1016/j.bbagen.2015.05.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2014] [Revised: 05/07/2015] [Accepted: 05/08/2015] [Indexed: 12/16/2022]
Abstract
BACKGROUND Asthma is a chronic inflammatory disease characterized by narrowed airways, bronchial hyper-responsiveness, mucus hyper-secretion, and airway remodeling. Mast cell (MC) infiltration into airway smooth muscle (ASM) is a defining feature of asthma, and ASM regulates the inflammatory response by secreting chemokines, including CXCL10 and CCL5. Single cell analysis offers a unique approach to study specific cellular signaling interactions within large and complex signaling networks such as the inflammatory microenvironment in asthma. METHODS Carbon-fiber microelectrode amperometry was used to study the effects of ASM-secreted chemokines on mouse peritoneal MC degranulation. RESULTS MC degranulation in response to CXCL10 and CCL5 was monitored at the single cell level. Relative to IgE-mediated degranulation, CXCL10- and CCL5-stimulated MCs released a decreased amount of serotonin per granule with fewer release events per cell. Decreased serotonin release per granule was correlated with increased spike half-width and rise-time values. CONCLUSIONS MCs are directly activated by ASM-associated chemokines. CXCL10 and CCL5 induce less robust MC degranulation compared to IgE- and A23187-stimulation. The kinetics of MC degranulation are signaling pathway-dependent, suggesting a biophysical mechanism of regulated degranulation that incorporates control over granule trafficking, transport, and docking machinery. GENERAL SIGNIFICANCE The biophysical mechanisms, including variations in number of exocytotic release events, serotonin released per granule, and the membrane kinetics of exocytosis that underlie MC degranulation in response to CXCL10 and CCL5 were characterized at the single cell level. These findings clarify the function of ASM-derived chemokines as instigators of MC degranulation relative to classical mechanisms of MC stimulation.
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Affiliation(s)
- Benjamin M Manning
- Department of Chemistry, University of Minnesota, Minneapolis, MN 55455, USA
| | - Audrey F Meyer
- Department of Chemistry, University of Minnesota, Minneapolis, MN 55455, USA
| | - Sarah M Gruba
- Department of Chemistry, University of Minnesota, Minneapolis, MN 55455, USA
| | - Christy L Haynes
- Department of Chemistry, University of Minnesota, Minneapolis, MN 55455, USA.
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12
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Bucher ES, Wightman RM. Electrochemical Analysis of Neurotransmitters. ANNUAL REVIEW OF ANALYTICAL CHEMISTRY (PALO ALTO, CALIF.) 2015; 8:239-61. [PMID: 25939038 PMCID: PMC4728736 DOI: 10.1146/annurev-anchem-071114-040426] [Citation(s) in RCA: 146] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Chemical signaling through the release of neurotransmitters into the extracellular space is the primary means of communication between neurons. More than four decades ago, Ralph Adams and his colleagues realized the utility of electrochemical methods for the study of easily oxidizable neurotransmitters, such as dopamine, norepinephrine, and serotonin and their metabolites. Today, electrochemical techniques are frequently coupled to microelectrodes to enable spatially resolved recordings of rapid neurotransmitter dynamics in a variety of biological preparations spanning from single cells to the intact brain of behaving animals. In this review, we provide a basic overview of the principles underlying constant-potential amperometry and fast-scan cyclic voltammetry, the most commonly employed electrochemical techniques, and the general application of these methods to the study of neurotransmission. We thereafter discuss several recent developments in sensor design and experimental methodology that are challenging the current limitations defining the application of electrochemical methods to neurotransmitter measurements.
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Hoppe CC. Inflammatory Mediators of Endothelial Injury in Sickle Cell Disease. Hematol Oncol Clin North Am 2014; 28:265-86. [DOI: 10.1016/j.hoc.2013.11.006] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Abstract
This paper is the thirty-fifth consecutive installment of the annual review of research concerning the endogenous opioid system. It summarizes papers published during 2012 that studied the behavioral effects of molecular, pharmacological and genetic manipulation of opioid peptides, opioid receptors, opioid agonists and opioid antagonists. The particular topics that continue to be covered include the molecular-biochemical effects and neurochemical localization studies of endogenous opioids and their receptors related to behavior (Section 2), and the roles of these opioid peptides and receptors in pain and analgesia (Section 3); stress and social status (Section 4); tolerance and dependence (Section 5); learning and memory (Section 6); eating and drinking (Section 7); alcohol and drugs of abuse (Section 8); sexual activity and hormones, pregnancy, development and endocrinology (Section 9); mental illness and mood (Section 10); seizures and neurologic disorders (Section 11); electrical-related activity and neurophysiology (Section 12); general activity and locomotion (Section 13); gastrointestinal, renal and hepatic functions (Section 14); cardiovascular responses (Section 15); respiration and thermoregulation (Section 16); and immunological responses (Section 17).
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Affiliation(s)
- Richard J Bodnar
- Department of Psychology and Neuropsychology Doctoral Sub-Program, Queens College, City University of New York, Flushing, NY 11367, United States.
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15
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Wang L, Xu S, Li H, Yue Q, Gu X, Zhang S, Liu J. Study for the electrochemical deposition on single carbon fiber and electrochemiluminescence of ZnO nanostructures. CrystEngComm 2013. [DOI: 10.1039/c3ce41316k] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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16
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Trouillon R, Passarelli MK, Wang J, Kurczy ME, Ewing AG. Chemical Analysis of Single Cells. Anal Chem 2012; 85:522-42. [DOI: 10.1021/ac303290s] [Citation(s) in RCA: 152] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Raphaël Trouillon
- University of Gothenburg, Department of Chemistry and Molecular
Biology, 41296 Gothenburg, Sweden
| | - Melissa K. Passarelli
- University of Gothenburg, Department of Chemistry and Molecular
Biology, 41296 Gothenburg, Sweden
| | - Jun Wang
- University of Gothenburg, Department of Chemistry and Molecular
Biology, 41296 Gothenburg, Sweden
| | - Michael E. Kurczy
- Chalmers University, Department of Chemistry
and Biological Engineering, 41296 Gothenburg, Sweden
| | - Andrew G. Ewing
- University of Gothenburg, Department of Chemistry and Molecular
Biology, 41296 Gothenburg, Sweden
- Chalmers University, Department of Chemistry
and Biological Engineering, 41296 Gothenburg, Sweden
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