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Istiban MN, De Fruyt N, Kenis S, Beets I. Evolutionary conserved peptide and glycoprotein hormone-like neuroendocrine systems in C. elegans. Mol Cell Endocrinol 2024; 584:112162. [PMID: 38290646 PMCID: PMC11004728 DOI: 10.1016/j.mce.2024.112162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 01/11/2024] [Accepted: 01/15/2024] [Indexed: 02/01/2024]
Abstract
Peptides and protein hormones form the largest group of secreted signals that mediate intercellular communication and are central regulators of physiology and behavior in all animals. Phylogenetic analyses and biochemical identifications of peptide-receptor systems reveal a broad evolutionary conservation of these signaling systems at the molecular level. Substantial progress has been made in recent years on characterizing the physiological and putative ancestral roles of many peptide systems through comparative studies in invertebrate models. Several peptides and protein hormones are not only molecularly conserved but also have conserved roles across animal phyla. Here, we focus on functional insights gained in the nematode Caenorhabditis elegans that, with its compact and well-described nervous system, provides a powerful model to dissect neuroendocrine signaling networks involved in the control of physiology and behavior. We summarize recent discoveries on the evolutionary conservation and knowledge on the functions of peptide and protein hormone systems in C. elegans.
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Affiliation(s)
- Majdulin Nabil Istiban
- Neural Signaling and Circuit Plasticity, Department of Biology, KU Leuven, 3000, Leuven, Belgium
| | - Nathan De Fruyt
- Neural Signaling and Circuit Plasticity, Department of Biology, KU Leuven, 3000, Leuven, Belgium
| | - Signe Kenis
- Neural Signaling and Circuit Plasticity, Department of Biology, KU Leuven, 3000, Leuven, Belgium
| | - Isabel Beets
- Neural Signaling and Circuit Plasticity, Department of Biology, KU Leuven, 3000, Leuven, Belgium.
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2
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Han G, Lee DG. Urechistachykinin I triggers mitochondrial dysfunction leading to a ferroptosis-like response in Saccharomyces cerevisiae. J Appl Microbiol 2024; 135:lxae011. [PMID: 38268406 DOI: 10.1093/jambio/lxae011] [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: 10/29/2023] [Revised: 12/22/2023] [Accepted: 01/23/2024] [Indexed: 01/26/2024]
Abstract
AIMS The purpose of this paper was to demonstrate the antimicrobial activity of urechistachykinin I (LRQSQFVGSR-NH2) extracted from Urechis unicinctus,and its mode of action dependent on mitochondrial dysfunction. METHODS AND RESULTS The antifungal activity of urechistachykinin I generated reactive oxygen species (ROS), as demonstrated with MitoSOX Red and hydroxyphenyl fluorescein (HPF). Overaccumulation of ROS caused oxidative damage to cells by inducing mitochondrial dysfunction. Mitochondrial disruption resulted in cell death, creating several hallmarks that included lipid peroxidation, glutathione oxidation, and depolarization. Moreover, the loss of mitochondria changed the calcium ion imbalance by depolarization of the mitochondrial membrane. In particular, iron accumulation and DNA fragmentation measurement determined the type of cell death. Our results indicate that urechistachykinin I treatment induced ferroptosis-like death in Saccharomyces cerevisiae via mitochondrial dysfunction. CONCLUSIONS Urechistachykinin I treatment induced mitochondrial dysfunction in S. cerevisiae by generating ROS, and the subsequent oxidative damage caused the ferroptosis-like cell death.
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Affiliation(s)
- Giyeol Han
- School of Life Sciences, BK 21 FOUR KNU Creative BioResearch Group, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Dong Gun Lee
- School of Life Sciences, BK 21 FOUR KNU Creative BioResearch Group, Kyungpook National University, Daegu 41566, Republic of Korea
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3
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Mukherjee N, Ghosh S. Substance P-Derived Extracellular-Matrix-Mimicking Peptide Hydrogel as a Cytocompatible Biomaterial Platform. Chembiochem 2023; 24:e202300286. [PMID: 37461811 DOI: 10.1002/cbic.202300286] [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: 04/10/2023] [Revised: 07/15/2023] [Indexed: 08/19/2023]
Abstract
Self-assembled short peptide-based hydrogel platforms have become widely applicable biomedical therapeutic maneuvers for their soft, tunable architecture, which can influence cellular behavior and morphology to an inordinate extent. In this work, a short supramolecular hydrogelator peptide, substance P, has been designed and synthesized from the C terminus conserved "FFGLM" section of a biologically abundant neuropeptide by using a fusion approach. In addition, to incorporate a good hydrophobic-hydrophilic balance, the truncated pentapeptide segment was further C-terminally modified by the incorporation of an integrin-binding "RGD" motif. Thanks to its N-terminal Fmoc group, this octapeptide ensemble "FFGLMRGD" undergoes rapid self-assembly to give rise to an injectable, pH-responsive, hydrogel-based self-supporting platform that exhibited good cytocompatibility with the cultured mammalian cells under both 2D and 3D culture conditions without exerting any potent cytotoxic effect in a Live/Dead experiment. A rheological experiment demonstrated its hydrogel-like mechanical properties, including thixotropicity. The atomic force microscopy and field emission scanning electron microscopy images of the fabricated hydrogel show a tangled fibrous surface topography owing to the presence of the N-terminal Fmoc-FF residue. Furthermore, an in-vitro scratch assay performed on fibroblast cell lines confirmed the wound-ameliorating potency of this designed hydrogel; this substantiates its future therapeutic prospects.
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Affiliation(s)
- Nabanita Mukherjee
- Smart Healthcare, Interdisciplinary Research Platform, Indian Institute of Technology Jodhpur, NH 62, Surpura Bypass Road, Karwar, Rajasthan, 342037, India
| | - Surajit Ghosh
- Smart Healthcare, Interdisciplinary Research Platform, Indian Institute of Technology Jodhpur, NH 62, Surpura Bypass Road, Karwar, Rajasthan, 342037, India
- Department of Bioscience and Bioengineering, Indian Institute of Technology Jodhpur, NH 65, Surpura Bypass Road, Karwar, Rajasthan, 342037, India
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4
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Janket SJ, Fraser DD, Baird AE, Tamimi F, Sohaei D, Conte HA, Prassas I, Diamandis EP. Tachykinins and the potential causal factors for post-COVID-19 condition. THE LANCET. MICROBE 2023; 4:e642-e650. [PMID: 37327802 PMCID: PMC10263974 DOI: 10.1016/s2666-5247(23)00111-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 03/18/2023] [Accepted: 03/22/2023] [Indexed: 06/18/2023]
Abstract
The most prevalent symptoms of post-COVID-19 condition are pulmonary dysfunction, fatigue and muscle weakness, anxiety, anosmia, dysgeusia, headaches, difficulty in concentrating, sexual dysfunction, and digestive disturbances. Hence, neurological dysfunction and autonomic impairments predominate in post-COVID-19 condition. Tachykinins including the most studied substance P are neuropeptides expressed throughout the nervous and immune systems, and contribute to many physiopathological processes in the nervous, immune, gastrointestinal, respiratory, urogenital, and dermal systems and participate in inflammation, nociception, and cell proliferation. Substance P is a key molecule in neuroimmune crosstalk; immune cells near the peripheral nerve endings can send signals to the brain with cytokines, which highlights the important role of tachykinins in neuroimmune communication. We reviewed the evidence that relates the symptoms of post-COVID-19 condition to the functions of tachykinins and propose a putative pathogenic mechanism. The antagonism of tachykinins receptors can be a potential treatment target.
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Affiliation(s)
- Sok-Ja Janket
- Center for Clinical and Translational Research, The Forsyth Institute, Cambridge, MA, USA
| | - Douglas D Fraser
- Paediatric Critical Care, Western University and Lawson Health Research Institute, London, ON, Canada
| | - Alison E Baird
- Department of Neurology, SUNY Health Sciences University, Brooklyn, NY, USA
| | - Faleh Tamimi
- College of Dental Medicine, Qatar University, Doha, Qatar
| | - Dorsa Sohaei
- McGill University School of Medicine, Montreal, QC, Canada
| | - Harry A Conte
- Department of Infectious Diseases, Johnson Memorial Hospital, Stafford Springs, CT, USA
| | - Ioannis Prassas
- Laboratory Medicine Program, University Health Network, Toronto, ON, Canada
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5
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Menon N, Kishen A. Nociceptor-Macrophage Interactions in Apical Periodontitis: How Biomolecules Link Inflammation with Pain. Biomolecules 2023; 13:1193. [PMID: 37627258 PMCID: PMC10452348 DOI: 10.3390/biom13081193] [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: 06/20/2023] [Revised: 07/20/2023] [Accepted: 07/24/2023] [Indexed: 08/27/2023] Open
Abstract
Periradicular tissues have a rich supply of peripheral afferent neurons, also known as nociceptive neurons, originating from the trigeminal nerve. While their primary function is to relay pain signals to the brain, these are known to be involved in modulating innate and adaptive immunity by initiating neurogenic inflammation (NI). Studies have investigated neuroanatomy and measured the levels of biomolecules such as cytokines and neuropeptides in human saliva, gingival crevicular fluid, or blood/serum samples in apical periodontitis (AP) to validate the possible role of trigeminal nociceptors in inflammation and tissue regeneration. However, the contributions of nociceptors and the mechanisms involved in the neuro-immune interactions in AP are not fully understood. This narrative review addresses the complex biomolecular interactions of trigeminal nociceptors with macrophages, the effector cells of the innate immune system, in the clinical manifestations of AP.
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Affiliation(s)
| | - Anil Kishen
- Dental Research Institute, Faculty of Dentistry, University of Toronto, Toronto, ON M5G 1G6, Canada;
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6
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Kouhetsani S, Khazali H, Rajabi-Maham H. Orexin antagonism and substance-P: Effects and interactions on polycystic ovary syndrome in the wistar rats. J Ovarian Res 2023; 16:89. [PMID: 37147728 PMCID: PMC10161431 DOI: 10.1186/s13048-023-01168-4] [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: 01/26/2023] [Accepted: 04/25/2023] [Indexed: 05/07/2023] Open
Abstract
BACKGROUND Polycystic ovary syndrome (PCOS) is a prevalent endocrine disorder without definitive treatments. Orexin and Substance-P (SP) neuropeptides can affect the ovarian steroidogenesis. Moreover, there are limited studies about the role of these neuropeptides in PCOS. We aimed here to clarify the effects of orexins and SP in PCOS as well as any possible interactions between them. METHODS For this purpose, the animals (n = five rats per group) received intraperitoneally a single dose of SB-334,867-A (orexin-1 receptor antagonist; OX1Ra), JNJ-10,397,049 (orexin-2 receptor antagonist; OX2Ra), and CP-96,345 (neurokinin-1 receptor antagonist; NK1Ra), alone or in combination with each other after two months of PCOS induction. The blocking of orexin and SP receptors was studied in terms of ovarian histology, hormonal changes, and gene expression of ovarian steroidogenic enzymes. RESULTS The antagonists' treatment did not significantly affect the formation of ovarian cysts. In the PCOS groups, the co-administration of OX1Ra and OX2Ra as well as their simultaneous injections with NK1Ra significantly reversed testosterone levels and Cyp19a1 gene expression when compared to the PCOS control group. There were no significant interactions between the PCOS groups that received NK1Ra together with one or both OX1R- and OX2R-antagonists. CONCLUSION The blocking of the orexin receptors modulates abnormal ovarian steroidogenesis in the PCOS model of rats. This suggests that the binding of orexin-A and -B to their receptors reduces Cyp19a1 gene expression while increasing testosterone levels.
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Affiliation(s)
- Somayeh Kouhetsani
- Department of Animal Sciences and Marine Biology, Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, Iran
| | - Homayoun Khazali
- Department of Animal Sciences and Marine Biology, Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, Iran.
| | - Hassan Rajabi-Maham
- Department of Animal Sciences and Marine Biology, Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, Iran
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7
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Boyle CA, Hu B, Quaintance KL, Mastrud MR, Lei S. Ionic signalling mechanisms involved in neurokinin-3 receptor-mediated augmentation of fear-potentiated startle response in the basolateral amygdala. J Physiol 2022; 600:4325-4345. [PMID: 36030507 PMCID: PMC9529888 DOI: 10.1113/jp283433] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 08/15/2022] [Indexed: 09/10/2023] Open
Abstract
The tachykinin peptides include substance P (SP), neurokinin A and neurokinin B, which interact with three G-protein-coupled neurokinin receptors, NK1Rs, NK2Rs and NK3Rs, respectively. Whereas high densities of NK3Rs have been detected in the basolateral amygdala (BLA), the functions of NK3Rs in this brain region have not been determined. We found that activation of NK3Rs by application of the selective agonist, senktide, persistently excited BLA principal neurons. NK3R-elicited excitation of BLA neurons was mediated by activation of a non-selective cation channel and depression of the inwardly rectifying K+ (Kir) channels. With selective channel blockers and knockout mice, we further showed that NK3R activation excited BLA neurons by depressing the G protein-activated inwardly rectifying K+ (GIRK) channels and activating TRPC4 and TRPC5 channels. The effects of NK3Rs required the functions of phospholipase Cβ (PLCβ), but were independent of intracellular Ca2+ release and protein kinase C. PLCβ-mediated depletion of phosphatidylinositol 4,5-bisphosphate was involved in NK3R-induced excitation of BLA neurons. Microinjection of senktide into the BLA of rats augmented fear-potentiated startle (FPS) and this effect was blocked by prior injection of the selective NK3R antagonist SB 218795, suggesting that activation of NK3Rs in the BLA increased FPS. We further showed that TRPC4/5 and GIRK channels were involved in NK3R-elicited facilitation of FPS. Our results provide a cellular and molecular mechanism whereby NK3R activation excites BLA neurons and enhances FPS. KEY POINTS: Activation of NK3 receptors (NK3Rs) facilitates the excitability of principal neurons in rat basolateral amygdala (BLA). NK3R-induced excitation is mediated by inhibition of GIRK channels and activation of TRPC4/5 channels. Phospholipase Cβ and depletion of phosphatidylinositol 4,5-bisphosphate are necessary for NK3R-mediated excitation of BLA principal neurons. Activation of NK3Rs in the BLA facilitates fear-potentiated startle response. GIRK channels and TRPC4/5 channels are involved in NK3R-mediated augmentation of fear-potentiated startle.
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Affiliation(s)
- Cody A. Boyle
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, ND58203, USA
| | - Binqi Hu
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, ND58203, USA
| | - Kati L. Quaintance
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, ND58203, USA
| | - Morgan R. Mastrud
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, ND58203, USA
| | - Saobo Lei
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, ND58203, USA
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8
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García-Aranda M, Téllez T, McKenna L, Redondo M. Neurokinin-1 Receptor (NK-1R) Antagonists as a New Strategy to Overcome Cancer Resistance. Cancers (Basel) 2022; 14:cancers14092255. [PMID: 35565383 PMCID: PMC9102068 DOI: 10.3390/cancers14092255] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 04/22/2022] [Accepted: 04/28/2022] [Indexed: 12/25/2022] Open
Abstract
Nowadays, the identification of new therapeutic targets that allow for the development of treatments, which as monotherapy, or in combination with other existing treatments can contribute to improve response rates, prognosis and survival of oncologic patients, is a priority to optimize healthcare within sustainable health systems. Recent studies have demonstrated the role of Substance P (SP) and its preferred receptor, Neurokinin 1 Receptor (NK-1R), in human cancer and the potential antitumor activity of NK-1R antagonists as an anticancer treatment. In this review, we outline the relevant studies published to date regarding the SP/NK-1R complex as a key player in human cancer and also evaluate if the repurposing of already marketed NK-1R antagonists may be useful in the development of new treatment strategies to overcome cancer resistance.
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Affiliation(s)
- Marilina García-Aranda
- Research and Innovation Unit, Hospital Costa del Sol, Autovía A-7, km 187, 29603 Marbella, Spain; (M.G.-A.); (L.M.)
- Instituto de Investigación Biomédica de Málaga (IBIMA), C/Dr. Miguel Díaz Recio, 28, 29010 Málaga, Spain
- Red de Investigación en Servicios de Salud en Enfermedades Crónicas (REDISSEC) and Red de Investigación en Cronicidad, Atención Primaria y Promoción de la Salud (RICAPPS), Instituto de Investigación Biomédica de Málaga (IBIMA), 29010 Málaga, Spain;
- Surgical Specialties, Biochemistry and Immunology Department, Faculty of Medicine, University of Málaga, 29010 Málaga, Spain
| | - Teresa Téllez
- Red de Investigación en Servicios de Salud en Enfermedades Crónicas (REDISSEC) and Red de Investigación en Cronicidad, Atención Primaria y Promoción de la Salud (RICAPPS), Instituto de Investigación Biomédica de Málaga (IBIMA), 29010 Málaga, Spain;
- Surgical Specialties, Biochemistry and Immunology Department, Faculty of Medicine, University of Málaga, 29010 Málaga, Spain
| | - Lauraine McKenna
- Research and Innovation Unit, Hospital Costa del Sol, Autovía A-7, km 187, 29603 Marbella, Spain; (M.G.-A.); (L.M.)
| | - Maximino Redondo
- Research and Innovation Unit, Hospital Costa del Sol, Autovía A-7, km 187, 29603 Marbella, Spain; (M.G.-A.); (L.M.)
- Instituto de Investigación Biomédica de Málaga (IBIMA), C/Dr. Miguel Díaz Recio, 28, 29010 Málaga, Spain
- Red de Investigación en Servicios de Salud en Enfermedades Crónicas (REDISSEC) and Red de Investigación en Cronicidad, Atención Primaria y Promoción de la Salud (RICAPPS), Instituto de Investigación Biomédica de Málaga (IBIMA), 29010 Málaga, Spain;
- Surgical Specialties, Biochemistry and Immunology Department, Faculty of Medicine, University of Málaga, 29010 Málaga, Spain
- Correspondence:
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Yu H, Miao W, Ji E, Huang S, Jin S, Zhu X, Liu MZ, Sun YG, Xu F, Yu X. Social touch-like tactile stimulation activates a tachykinin 1-oxytocin pathway to promote social interactions. Neuron 2022; 110:1051-1067.e7. [PMID: 35045339 DOI: 10.1016/j.neuron.2021.12.022] [Citation(s) in RCA: 56] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 08/29/2021] [Accepted: 12/15/2021] [Indexed: 12/21/2022]
Abstract
It is well known that affective and pleasant touch promotes individual well-being and facilitates affiliative social communication, although the neural circuit that mediates this process is largely unknown. Here, we show that social-touch-like tactile stimulation (ST) enhances firing of oxytocin neurons in the mouse paraventricular hypothalamus (PVH) and promotes social interactions and positively reinforcing place preference. These results link pleasant somatosensory stimulation to increased social interactions and positive affective valence. We further show that tachykinin 1 (Tac1+) neurons in the lateral and ventrolateral periaqueductal gray (l/vlPAG) send monosynaptic excitatory projections to PVH oxytocin neurons. Functionally, activation of PVH-projecting Tac1+ neurons increases firing of oxytocin neurons, promotes social interactions, and increases preference for the social touch context, whereas reducing activity of Tac1+ neurons abolishes ST-induced oxytocin neuronal firing. Together, these results identify a dipeptidergic pathway from l/vlPAG Tac1+ neurons to PVH oxytocin neurons, through which pleasant sensory experience promotes social behavior.
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Affiliation(s)
- Hang Yu
- Institute of Neuroscience, State Key Laboratory of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai 200031, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Wanying Miao
- Institute of Neuroscience, State Key Laboratory of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai 200031, China
| | - En Ji
- Institute of Neuroscience, State Key Laboratory of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai 200031, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Shajin Huang
- Institute of Neuroscience, State Key Laboratory of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai 200031, China
| | - Sen Jin
- Brain Cognition and Brain Disease Institute, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen-Hong Kong Institute of Brain Science-Shenzhen Fundamental Research Institutions, Shenzhen 518055, China
| | - Xutao Zhu
- Brain Cognition and Brain Disease Institute, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen-Hong Kong Institute of Brain Science-Shenzhen Fundamental Research Institutions, Shenzhen 518055, China
| | - Ming-Zhe Liu
- Institute of Neuroscience, State Key Laboratory of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai 200031, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yan-Gang Sun
- Institute of Neuroscience, State Key Laboratory of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai 200031, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Fuqiang Xu
- University of Chinese Academy of Sciences, Beijing 100049, China; Brain Cognition and Brain Disease Institute, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen-Hong Kong Institute of Brain Science-Shenzhen Fundamental Research Institutions, Shenzhen 518055, China
| | - Xiang Yu
- Institute of Neuroscience, State Key Laboratory of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai 200031, China; University of Chinese Academy of Sciences, Beijing 100049, China; School of Life Sciences, Peking-Tsinghua Center for Life Sciences, and Peking University McGovern Institute, Peking University, Beijing 100871, China; Autism Research Center of Peking University Health Science Center, Beijing 100191, China; Chinese Institute for Brain Research, Beijing 102206, China.
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10
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Abstract
Mycoplasma hyopneumoniae: is the etiological agent of porcine enzootic pneumonia (EP), a disease that impacts the swine industry worldwide. Pathogen-induced damage, as well as the elicited host-response, contribute to disease. Here, we provide an overview of EP epidemiology, control and prevention, and a more in-depth review of M. hyopneumoniae pathogenicity determinants, highlighting some molecular mechanisms of pathogen-host interactions relevant for pathogenesis. Based on recent functional, immunological, and comparative “omics” results, we discuss the roles of many known or putative M. hyopneumoniae virulence factors, along with host molecules involved in EP. Moreover, the known molecular bases of pathogenicity mechanisms, including M. hyopneumoniae adhesion to host respiratory epithelium, protein secretion, cell damage, host microbicidal response and its modulation, and maintenance of M. hyopneumoniae homeostasis during infection are described. Recent findings regarding M. hyopneumoniae pathogenicity determinants also contribute to the development of novel diagnostic tests, vaccines, and treatments for EP.
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Affiliation(s)
- Fernanda M A Leal Zimmer
- Laboratório de Genômica Estrutural e Funcional, Centro de Biotecnologia, Universidade Federal do Rio Grande Do Sul (UFRGS) , Porto Alegre, Brazil.,Programa de Pós-Graduação em Biologia Celular e Molecular, Centro de Biotecnologia, UFRGS , Porto Alegre, Brazil
| | - Jéssica Andrade Paes
- Laboratório de Genômica Estrutural e Funcional, Centro de Biotecnologia, Universidade Federal do Rio Grande Do Sul (UFRGS) , Porto Alegre, Brazil.,Programa de Pós-Graduação em Biologia Celular e Molecular, Centro de Biotecnologia, UFRGS , Porto Alegre, Brazil
| | - Arnaldo Zaha
- Laboratório de Genômica Estrutural e Funcional, Centro de Biotecnologia, Universidade Federal do Rio Grande Do Sul (UFRGS) , Porto Alegre, Brazil.,Programa de Pós-Graduação em Biologia Celular e Molecular, Centro de Biotecnologia, UFRGS , Porto Alegre, Brazil.,Laboratório de Biologia Molecular de Cestódeos, Centro de Biotecnologia, UFRGS , Porto Alegre, Brazil.,Departamento de Biologia Molecular e Biotecnologia, Instituto de Biociências, UFRGS , Porto Alegre, Brazil
| | - Henrique Bunselmeyer Ferreira
- Laboratório de Genômica Estrutural e Funcional, Centro de Biotecnologia, Universidade Federal do Rio Grande Do Sul (UFRGS) , Porto Alegre, Brazil.,Programa de Pós-Graduação em Biologia Celular e Molecular, Centro de Biotecnologia, UFRGS , Porto Alegre, Brazil.,Laboratório de Biologia Molecular de Cestódeos, Centro de Biotecnologia, UFRGS , Porto Alegre, Brazil.,Departamento de Biologia Molecular e Biotecnologia, Instituto de Biociências, UFRGS , Porto Alegre, Brazil
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11
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Prashar V, Arora T, Singh R, Sharma A, Parkash J. Interplay of KNDy and nNOS neurons: A new possible mechanism of GnRH secretion in the adult brain. Reprod Biol 2021; 21:100558. [PMID: 34509713 DOI: 10.1016/j.repbio.2021.100558] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 08/25/2021] [Accepted: 08/28/2021] [Indexed: 02/07/2023]
Abstract
Reproduction in mammals is favoured when there is sufficient energy available to permit the survival of offspring. Neuronal nitric oxide synthase expressing neurons produce nitric oxide in the proximity of the gonadotropin-releasing hormone neurons in the preoptic region. nNOS neurons are an integral part of the neuronal network controlling ovarian cyclicity and ovulation. Nitric oxide can directly regulate the activity of the GnRH neurons and play a vital role neuroendocrine axis. Kisspeptin neurons are essential for the GnRH pulse and surge generation. The anteroventral periventricular nucleus (AVPV), kisspeptin neurons are essential for GnRH surge generation. KNDy neurons are present in the hypothalamus's arcuate nucleus (ARC), co-express NKB and dynorphin, essential for GnRH pulse generation. Kisspeptin-neurokinin B-dynorphin (KNDy) neuroendocrine molecules of the hypothalamus are key components in the central control of GnRH secretion. The hypothalamic neurons kisspeptin, KNDy, nitric oxide synthase (NOS), and other mediators such as leptin, adiponectin, and ghrelin, play an active role in attaining puberty. Kisspeptin signalling is mediated by NOS, which further results in the secretion of GnRH. Neuronal nitric oxide is critical for attaining puberty, but its direct role in adult GnRH secretion is poorly understood. This review mainly focuses on the role of nNOS and its interplay with KNDy neurons in the hormonal regulation of reproduction.
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Affiliation(s)
- Vikash Prashar
- Department of Zoology, School of Basic and Applied Sciences, Central University Punjab, Ghudda, Bathinda, 151401, Punjab, India
| | - Tania Arora
- Department of Zoology, School of Basic and Applied Sciences, Central University Punjab, Ghudda, Bathinda, 151401, Punjab, India
| | - Randeep Singh
- Department of Zoology, School of Basic and Applied Sciences, Central University Punjab, Ghudda, Bathinda, 151401, Punjab, India
| | - Arti Sharma
- Department of Computational Biology, School of Basic and Applied Sciences, Central University Punjab, Ghudda, Bathinda, 151401, Punjab, India
| | - Jyoti Parkash
- Department of Zoology, School of Basic and Applied Sciences, Central University Punjab, Ghudda, Bathinda, 151401, Punjab, India.
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12
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Joseph PV, Nolden A, Kober KM, Paul SM, Cooper BA, Conley YP, Hammer MJ, Wright F, Levine JD, Miaskowski C. Fatigue, Stress, and Functional Status are Associated With Taste Changes in Oncology Patients Receiving Chemotherapy. J Pain Symptom Manage 2021; 62:373-382.e2. [PMID: 33259906 PMCID: PMC8160023 DOI: 10.1016/j.jpainsymman.2020.11.029] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 11/18/2020] [Accepted: 11/21/2020] [Indexed: 02/07/2023]
Abstract
CONTEXT A common complaint among oncology patients receiving chemotherapy is altered taste perception. OBJECTIVE The purpose of this study was to evaluate for differences in common symptoms and stress levels in patients who reported taste changes. METHODS Patients were receiving chemotherapy for breast, gastrointestinal, gynecological, or lung cancer. Change in the way food tastes (CFT) was assessed using the Memorial Symptom Assessment Scale before the patients' second or third cycle of chemotherapy. Valid and reliable instruments were used to assess for depressive symptoms, state and trait of anxiety, cognitive impairment, diurnal variations in fatigue and energy, sleep disturbance, and pain. Stress was assessed using the Perceived Stress Scale and the Impact of Events Scale-Revised. Multiple logistic regression was used to evaluate for risk factors associated with CFT. RESULTS Of the 1329 patients, 49.4% reported CFT. Patients in the CFT group reported higher levels of depression, anxiety, fatigue, and sleep disturbance as well as higher levels of general and disease specific stress. Factors associated with CFT group included being non-White; receiving an antiemetic regimen that contained a neurokinin-1 receptor antagonist with two other antiemetics; having a lower functional status; higher levels of morning fatigue; and reporting higher scores on the hyperarousal subscale of the Impact of Event Scale-Revised. CONCLUSIONS This study provides new evidence on associations between taste changes and common co-occurring symptoms and stress in oncology patients receiving chemotherapy. Clinicians need to evaluate for taste changes in these patients because this symptom can effect patients' nutritional intake and quality of life.
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Affiliation(s)
- Paule V Joseph
- Sensory Science & Metabolism Unit, Biobehavioral Branch, Division of Intramural Research, National Institutes of Health, Department of Health and Human Services, Bethesda, Maryland, USA
| | - Alissa Nolden
- Department of Food Science, College of Natural Sciences, University of Massachusetts, Amherst, Massachusetts, USA
| | - Kord M Kober
- Department of Physiological Nursing, School of Nursing, University of California, San Francisco, California, USA
| | - Steven M Paul
- Department of Physiological Nursing, School of Nursing, University of California, San Francisco, California, USA
| | - Bruce A Cooper
- Department of Physiological Nursing, School of Nursing, University of California, San Francisco, California, USA
| | - Yvette P Conley
- School of Nursing, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | | | - Fay Wright
- Rory Meyers College of Nursing, New York University, New York, New York, USA
| | - Jon D Levine
- Department of Medicine, School of Medicine, University of California, San Francisco, California, USA
| | - Christine Miaskowski
- Department of Physiological Nursing, School of Nursing, University of California, San Francisco, California, USA; Department of Medicine, School of Medicine, University of California, San Francisco, California, USA.
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13
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Abstract
Background Disability from migraine has a profound impact on the world's economy. Research has been ongoing to identify biomarkers to aid in diagnosis and treatment. Objective The aim of this study was to highlight the purported diagnostic and therapeutic migraine biomarkers and their role in precision medicine. Methods A comprehensive literature search was conducted using PubMed, Google Scholar, and clinicaltrials.gov using keywords: "migraine" OR "headache" combined with "biomarkers" OR "marker." Other keywords included "serum," "cerebral spinal fluid," "inflammatory," and "neuroimaging." Results After a review of 88 papers, we find the literature supports numerous biomarkers in the diagnosis of migraine. Therapeutic biomarkers, while not as extensively published, highlight calcitonin gene-related peptide (CGRP) and pituitary adenylate cyclase-activating peptide-38 (PACAP-38) as biomarkers with the most substantiated clinical relevance. Genetic markers mainly focusing on gene mutations with resultant biochemical alterations continue to be studied and show promise. Conclusion Although there are several proposed biomarkers for migraine, continued research is needed to substantiate their role in clinical practice.
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Affiliation(s)
- Brian M Yan
- Sidney Kimmel Medical College, Thomas Jefferson University, USA
| | | | - Ayesha Ahmad
- Department of Neurology, Thomas Jefferson University, USA
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14
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Karamyan VT. Between two storms, vasoactive peptides or bradykinin underlie severity of COVID-19? Physiol Rep 2021; 9:e14796. [PMID: 33687143 PMCID: PMC7941673 DOI: 10.14814/phy2.14796] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 02/11/2021] [Accepted: 02/12/2021] [Indexed: 02/07/2023] Open
Abstract
Coronavirus disease 2019 (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), continues to be a world-wide pandemic with overwhelming socioeconomic impact. Since inflammation is one of the major causes of COVID-19 complications, the associated molecular mechanisms have been the focus of many studies to better understand this disease and develop improved treatments for patients contracting SARS-CoV-2. Among these, strong emphasis has been placed on pro-inflammatory cytokines, associating severity of COVID-19 with so-called "cytokine storm." More recently, peptide bradykinin, its dysregulated signaling or "bradykinin storm," has emerged as a primary mechanism to explain COVID-19-related complications. Unfortunately, this important development may not fully capture the main molecular players that underlie the disease severity. To this end, in this focused review, several lines of evidence are provided to suggest that in addition to bradykinin, two closely related vasoactive peptides, substance P and neurotensin, are also likely to drive microvascular permeability and inflammation, and be responsible for development of COVID-19 pathology. Furthermore, based on published experimental observations, it is postulated that in addition to ACE and neprilysin, peptidase neurolysin (Nln) is also likely to contribute to accumulation of bradykinin, substance P and neurotensin, and progression of the disease. In conclusion, it is proposed that "vasoactive peptide storm" may underlie severity of COVID-19 and that simultaneous inhibition of all three peptidergic systems could be therapeutically more advantageous rather than modulation of any single mechanism alone.
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Affiliation(s)
- Vardan T. Karamyan
- Department of Pharmaceutical Sciences and Center for Blood Brain Barrier ResearchSchool of PharmacyTTUHSCAmarilloTXUSA
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15
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Borbély É, Hunyady Á, Pohóczky K, Payrits M, Botz B, Mócsai A, Berger A, Szőke É, Helyes Z. Hemokinin-1 as a Mediator of Arthritis-Related Pain via Direct Activation of Primary Sensory Neurons. Front Pharmacol 2021; 11:594479. [PMID: 33519457 PMCID: PMC7839295 DOI: 10.3389/fphar.2020.594479] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Accepted: 12/09/2020] [Indexed: 01/17/2023] Open
Abstract
The tachykinin hemokinin-1 (HK-1) is involved in immune cell development and inflammation, but little is known about its function in pain. It acts through the NK1 tachykinin receptor, but several effects are mediated by a yet unidentified target. Therefore, we investigated the role and mechanism of action of HK-1 in arthritis models of distinct mechanisms with special emphasis on pain. Arthritis was induced by i.p. K/BxN serum (passive transfer of inflammatory cytokines, autoantibodies), intra-articular mast cell tryptase or Complete Freund's Adjuvant (CFA, active immunization) in wild type, HK-1- and NK1-deficient mice. Mechanical- and heat hyperalgesia determined by dynamic plantar esthesiometry and increasing temperature hot plate, respectively, swelling measured by plethysmometry or micrometry were significantly reduced in HK-1-deleted, but not NK1-deficient mice in all models. K/BxN serum-induced histopathological changes (day 14) were also decreased, but early myeloperoxidase activity detected by luminescent in vivo imaging increased in HK-1-deleted mice similarly to the CFA model. However, vasodilation and plasma protein extravasation determined by laser Speckle and fluorescent imaging, respectively, were not altered by HK-1 deficiency in any models. HK-1 induced Ca2+-influx in primary sensory neurons, which was also seen in NK1-deficient cells and after pertussis toxin-pretreatment, but not in extracellular Ca2+-free medium. These are the first results showing that HK-1 mediates arthritic pain and cellular, but not vascular inflammatory mechanisms, independently of NK1 activation. HK-1 activates primary sensory neurons presumably via Ca2+ channel-linked receptor. Identifying its target opens new directions to understand joint pain leading to novel therapeutic opportunities.
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Affiliation(s)
- Éva Borbély
- János Szentágothai Research Centre and Centre for Neuroscience, University of Pécs, Pécs, Hungary
- Department of Pharmacology and Pharmacotherapy, Medical School, University of Pécs, Pécs, Hungary
| | - Ágnes Hunyady
- János Szentágothai Research Centre and Centre for Neuroscience, University of Pécs, Pécs, Hungary
- Department of Pharmacology and Pharmacotherapy, Medical School, University of Pécs, Pécs, Hungary
| | - Krisztina Pohóczky
- János Szentágothai Research Centre and Centre for Neuroscience, University of Pécs, Pécs, Hungary
- Department of Pharmacology and Pharmacotherapy, Medical School, University of Pécs, Pécs, Hungary
- Department of Pharmacology, Faculty of Pharmacy, University of Pécs, Pécs, Hungary
| | - Maja Payrits
- János Szentágothai Research Centre and Centre for Neuroscience, University of Pécs, Pécs, Hungary
- Department of Pharmacology and Pharmacotherapy, Medical School, University of Pécs, Pécs, Hungary
| | - Bálint Botz
- János Szentágothai Research Centre and Centre for Neuroscience, University of Pécs, Pécs, Hungary
- Department of Medical Imaging, Medical School, University of Pécs, Pécs, Hungary
| | - Attila Mócsai
- Department of Physiology, Semmelweis University, Budapest, Hungary
| | - Alexandra Berger
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON, Canada
| | - Éva Szőke
- János Szentágothai Research Centre and Centre for Neuroscience, University of Pécs, Pécs, Hungary
- Department of Pharmacology and Pharmacotherapy, Medical School, University of Pécs, Pécs, Hungary
| | - Zsuzsanna Helyes
- János Szentágothai Research Centre and Centre for Neuroscience, University of Pécs, Pécs, Hungary
- Department of Pharmacology and Pharmacotherapy, Medical School, University of Pécs, Pécs, Hungary
- PharmInVivo Ltd., Pécs, Hungary
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16
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Katrinli S, Zheng Y, Gautam A, Hammamieh R, Yang R, Venkateswaran S, Kilaru V, Lori A, Hinrichs R, Powers A, Gillespie CF, Wingo AP, Michopoulos V, Jovanovic T, Wolf EJ, McGlinchey RE, Milberg WP, Miller MW, Kugathasan S, Jett M, Logue MW, Ressler KJ, Smith AK. PTSD is associated with increased DNA methylation across regions of HLA-DPB1 and SPATC1L. Brain Behav Immun 2021; 91:429-436. [PMID: 33152445 PMCID: PMC7749859 DOI: 10.1016/j.bbi.2020.10.023] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 10/09/2020] [Accepted: 10/27/2020] [Indexed: 12/21/2022] Open
Abstract
Posttraumatic stress disorder (PTSD) is characterized by intrusive thoughts, avoidance, negative alterations in cognitions and mood, and arousal symptoms that adversely affect mental and physical health. Recent evidence links changes in DNA methylation of CpG cites to PTSD. Since clusters of proximal CpGs share similar methylation signatures, identification of PTSD-associated differentially methylated regions (DMRs) may elucidate the pathways defining differential risk and resilience of PTSD. Here we aimed to identify epigenetic differences associated with PTSD. DNA methylation data profiled from blood samples using the MethylationEPIC BeadChip were used to perform a DMR analysis in 187 PTSD cases and 367 trauma-exposed controls from the Grady Trauma Project (GTP). DMRs were assessed with R package bumphunter. We identified two regions that associate with PTSD after multiple test correction. These regions were in the gene body of HLA-DPB1 and in the promoter of SPATC1L. The DMR in HLA-DPB1 was associated with PTSD in an independent cohort. Both DMRs included CpGs whose methylation associated with nearby sequence variation (meQTL) and that associated with expression of their respective genes (eQTM). This study supports an emerging literature linking PTSD risk to genetic and epigenetic variation in the HLA region.
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Affiliation(s)
- Seyma Katrinli
- Emory University, Department of Gynecology and Obstetrics, Atlanta, GA, USA
| | - Yuanchao Zheng
- Boston University School of Public Health, Department of Biostatistics, Boston, MA, USA
| | - Aarti Gautam
- Medical Readiness Systems Biology, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Rasha Hammamieh
- Medical Readiness Systems Biology, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Ruoting Yang
- Medical Readiness Systems Biology, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Suresh Venkateswaran
- Emory University School of Medicine Department of Pediatrics, Division of Pediatric Gastroenterology & Children's Healthcare of Atlanta, Atlanta, GA, USA
| | - Varun Kilaru
- Emory University, Department of Gynecology and Obstetrics, Atlanta, GA, USA
| | - Adriana Lori
- Emory University School of Medicine, Department of Psychiatry and Behavioral Sciences, Atlanta, GA, USA
| | - Rebecca Hinrichs
- Emory University School of Medicine, Department of Psychiatry and Behavioral Sciences, Atlanta, GA, USA
| | - Abigail Powers
- Emory University School of Medicine, Department of Psychiatry and Behavioral Sciences, Atlanta, GA, USA
| | - Charles F Gillespie
- Emory University School of Medicine, Department of Psychiatry and Behavioral Sciences, Atlanta, GA, USA
| | - Aliza P Wingo
- Emory University School of Medicine, Department of Psychiatry and Behavioral Sciences, Atlanta, GA, USA; Division of Mental Health, Atlanta VA Medical Center, Decatur, GA, USA
| | - Vasiliki Michopoulos
- Emory University School of Medicine, Department of Psychiatry and Behavioral Sciences, Atlanta, GA, USA
| | - Tanja Jovanovic
- Wayne State University, Department of Psychiatry & Behavioral Neurosciences, Detroit, MI, USA
| | - Erika J Wolf
- National Center for PTSD at VA Boston Healthcare System, Boston, MA, USA; Department of Psychiatry, Boston University School of Medicine, Boston, MA, USA
| | - Regina E McGlinchey
- Geriatric Research Educational and Clinical Center and Translational Research Center for TBI and Stress Disorders, Boston, USA; VA Boston Health Care System, MA, USA; Department of Psychiatry, Harvard Medical School, Boston, MA, USA
| | - William P Milberg
- Geriatric Research Educational and Clinical Center and Translational Research Center for TBI and Stress Disorders, Boston, USA; VA Boston Health Care System, MA, USA; Department of Psychiatry, Harvard Medical School, Boston, MA, USA
| | - Mark W Miller
- National Center for PTSD at VA Boston Healthcare System, Boston, MA, USA; Department of Psychiatry, Boston University School of Medicine, Boston, MA, USA
| | - Subra Kugathasan
- Emory University School of Medicine Department of Pediatrics, Division of Pediatric Gastroenterology & Children's Healthcare of Atlanta, Atlanta, GA, USA; Department of Human Genetics, Emory University, Atlanta, GA, USA
| | - Marti Jett
- Medical Readiness Systems Biology, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Mark W Logue
- Boston University School of Public Health, Department of Biostatistics, Boston, MA, USA; National Center for PTSD at VA Boston Healthcare System, Boston, MA, USA; Department of Psychiatry, Boston University School of Medicine, Boston, MA, USA; Biomedical Genetics, Boston University School of Medicine, Boston, MA, USA
| | - Kerry J Ressler
- Emory University School of Medicine, Department of Psychiatry and Behavioral Sciences, Atlanta, GA, USA; Department of Psychiatry, Harvard Medical School and McLean Hospital, Belmont, MA, USA
| | - Alicia K Smith
- Emory University, Department of Gynecology and Obstetrics, Atlanta, GA, USA; Emory University School of Medicine, Department of Psychiatry and Behavioral Sciences, Atlanta, GA, USA.
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17
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Huang Y, Xia N, Chen M, Yang P, Liu L, Wang J. A copper complex formed with neurokinin B: binding stoichiometry, redox properties, self-assembly and cytotoxicity. Metallomics 2020; 12:1802-1810. [PMID: 33084705 DOI: 10.1039/d0mt00143k] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The tachykinin neuropeptide of neurokinin B (NKB) is a copper-binding amyloid peptide with important roles in the regulation of physiological functions and pathophysiological processes in the central and peripheral nervous systems. In this work, the formation of a NKB-Cu2+ complex in a 1 : 1 stoichiometry was confirmed by mass spectrometry. The self-assembly of NKB and its mutant species was investigated by Thioflavin T (ThT) fluorescence assay and atomic force microscopy (AFM), and at the same time, the effect of Cu2+ on the aggregation of NKB was studied. As evidenced by cyclic voltammetry, the redox potential of NKB-Cu2+ was determined to be 0.77 V (vs. Ag/AgCl). It has been demonstrated that NKB at low concentrations exerts its neuroprotective function by inhibiting Cu2+-mediated reactive oxygen species (ROS) production in the presence of ascorbic acid (AA). In comparison with equivalent Cu2+, the peptide-Cu2+ aggregates aggravated the viability of PC-12 cells more seriously in the absence of AA. These results should be extremely valuable for understanding the NKB/Cu2+ interactions and the toxicity mechanism of Cu2+ associated with neurodegenerative diseases.
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Affiliation(s)
- Yaliang Huang
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, People's Republic of China.
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18
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Shurin MR, Shurin GV, Zlotnikov SB, Bunimovich YL. The Neuroimmune Axis in the Tumor Microenvironment. THE JOURNAL OF IMMUNOLOGY 2020; 204:280-285. [PMID: 31907270 DOI: 10.4049/jimmunol.1900828] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 08/23/2019] [Indexed: 12/14/2022]
Abstract
Cancer is a complex ecosystem and should be considered in the context of its cellular and molecular microenvironment, which includes the nerves. Peripheral nerves can modulate phenotype and behavior of the malignant cells and thus affect tumor growth and metastasis. Only recently has the role of neuroimmune cross-talk surfaced as a key contributor to cancer progression. However, little is known about the immunomodulatory role of the neuroglial cells in cancer progression and metastasis and the response to therapy. Schwann cells, the principal glial cells of the peripheral nervous system, are now considered to be important players in the tumor microenvironment. They can directly accelerate malignant cell migration and the formation of metastases. Better understanding of the neuroimmune circuits in the tumor milieu will be instrumental in the development of novel therapeutic approaches for the malignancies known to be associated with inflammation and dysregulated immune responses.
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Affiliation(s)
- Michael R Shurin
- Department of Pathology, University of Pittsburgh Medical Center and University of Pittsburgh Cancer Institute, Pittsburgh, PA 15232; .,Department of Immunology, University of Pittsburgh Medical Center and University of Pittsburgh Cancer Institute, Pittsburgh, PA 15232; and
| | - Galina V Shurin
- Department of Pathology, University of Pittsburgh Medical Center and University of Pittsburgh Cancer Institute, Pittsburgh, PA 15232
| | - Samuel B Zlotnikov
- Department of Pathology, University of Pittsburgh Medical Center and University of Pittsburgh Cancer Institute, Pittsburgh, PA 15232
| | - Yuri L Bunimovich
- Department of Dermatology, University of Pittsburgh Medical Center and University of Pittsburgh Cancer Institute, Pittsburgh, PA 15232
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19
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Bosi A, Banfi D, Bistoletti M, Giaroni C, Baj A. Tryptophan Metabolites Along the Microbiota-Gut-Brain Axis: An Interkingdom Communication System Influencing the Gut in Health and Disease. Int J Tryptophan Res 2020; 13:1178646920928984. [PMID: 32577079 PMCID: PMC7290275 DOI: 10.1177/1178646920928984] [Citation(s) in RCA: 105] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Accepted: 05/02/2020] [Indexed: 12/12/2022] Open
Abstract
The ‘microbiota-gut-brain axis’ plays a fundamental role in maintaining host homeostasis, and different immune, hormonal, and neuronal signals participate to this interkingdom communication system between eukaryota and prokaryota. The essential aminoacid tryptophan, as a precursor of several molecules acting at the interface between the host and the microbiota, is fundamental in the modulation of this bidirectional communication axis. In the gut, tryptophan undergoes 3 major metabolic pathways, the 5-HT, kynurenine, and AhR ligand pathways, which may be directly or indirectly controlled by the saprophytic flora. The importance of tryptophan metabolites in the modulation of the gastrointestinal tract is suggested by several preclinical and clinical studies; however, a thorough revision of the available literature has not been accomplished yet. Thus, this review attempts to cover the major aspects on the role of tryptophan metabolites in host-microbiota cross-talk underlaying regulation of gut functions in health conditions and during disease states, with particular attention to 2 major gastrointestinal diseases, such as irritable bowel syndrome (IBS) and inflammatory bowel disease (IBD), both characterized by psychiatric disorders. Research in this area opens the possibility to target tryptophan metabolism to ameliorate the knowledge on the pathogenesis of both diseases, as well as to discover new therapeutic strategies based either on conventional pharmacological approaches or on the use of pre- and probiotics to manipulate the microbial flora.
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Affiliation(s)
- Annalisa Bosi
- Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | - Davide Banfi
- Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | - Michela Bistoletti
- Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | - Cristina Giaroni
- Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | - Andreina Baj
- Department of Medicine and Surgery, University of Insubria, Varese, Italy
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20
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Abstract
INTRODUCTION The tachykinin family of peptides (substance P, neurokinin A) via the neurokinin-1 (NK-1), NK-2, and NK-3 receptors is involved in many physiological/physiopathological actions. Antagonists of these receptors may be used to treat many human pathologies. AREAS COVERED This review offers an overview (from 2014 to present) of the actions exerted by NK receptor (NK-R) antagonists on emesis, pruritus, cardiomyopathy, respiratory tract diseases, bacterial infection, cancer, ocular pain, corneal neovascularization, excess of body fat/weight, conditioned fear, social isolation stress, hot flush, melanogenesis, follicle development, fish reproduction, and sex-hormone-dependent diseases. EXPERT OPINION From 2014, no invention has been published using NK-2R antagonists. Although the tachykinin/NK receptor system is involved in a great number of mechanisms, to date, the use of only five NK-1R antagonists have been approved in humans but no NK-2R or NK-3R antagonist. NK receptor antagonists are safe in human trials and are potential therapeutic agents, but this potential is currently minimized. In humans, more studies on molecules acting as NK receptor antagonists and exerting a potential therapeutic action must be carried out. The antipruritic or antitumor action of NK-1R antagonists must be explored in greater depth: the highest safe dose and the time of administration (for a long period of time) of these antagonists must be well established.
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Affiliation(s)
- Miguel Muñoz
- Research Laboratory on Neuropeptides, Virgen Del Rocío University Hospital (IBIS) , Seville, Spain
| | - Rafael Coveñas
- Institute of Neurosciences of Castilla Y León (INCYL), Laboratory of Neuroanatomy of the Peptidergic Systems, University of Salamanca , Salamanca, Spain
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21
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The Role of Tachykinins in the Initiation and Progression of Gastrointestinal Cancers: A Review. INTERNATIONAL JOURNAL OF CANCER MANAGEMENT 2020. [DOI: 10.5812/ijcm.100717] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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22
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Frederiksen SD, Bekker‐Nielsen Dunbar M, Snoer AH, Deen M, Edvinsson L. Serotonin and Neuropeptides in Blood From Episodic and Chronic Migraine and Cluster Headache Patients in Case‐Control and Case‐Crossover Settings: A Systematic Review and Meta‐Analysis. Headache 2020; 60:1132-1164. [DOI: 10.1111/head.13802] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Revised: 02/27/2020] [Accepted: 03/17/2020] [Indexed: 01/22/2023]
Affiliation(s)
| | | | - Agneta H. Snoer
- Danish Headache Centre and Department of Neurology, Rigshospitalet Glostrup Faculty of Health and Medical Sciences University of Copenhagen Glostrup Denmark
| | - Marie Deen
- Danish Headache Centre and Department of Neurology, Rigshospitalet Glostrup Faculty of Health and Medical Sciences University of Copenhagen Glostrup Denmark
| | - Lars Edvinsson
- Department of Clinical Experimental Research Glostrup Research Institute Rigshospitalet Glostrup Glostrup Denmark
- Division of Experimental Vascular Research Department of Clinical Sciences Lund University Lund Sweden
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23
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Khorasani S, Boroumand N, Lavi Arab F, Hashemy SI. The immunomodulatory effects of tachykinins and their receptors. J Cell Biochem 2020; 121:3031-3041. [PMID: 32115751 DOI: 10.1002/jcb.29668] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Accepted: 01/16/2020] [Indexed: 12/26/2022]
Abstract
Tachykinins (TKs) are a family of neuropeptides mainly expressed by neuronal and non-neuronal cell types, especially immune cells. Expression of TKs receptors on immune cell surfaces, their involvement in immune-related disorders, and therefore, understanding their immunomodulatory roles have become of particular interest to researchers. In fact, the precise understanding of TKs intervention in the immune system would help to design novel therapeutic approaches for patients suffering from immune disorders. The present review summarizes studies on TKs function as modulators of the immune system by reviewing their roles in generation, activation, development, and migration of immune cells. Also, it discusses TKs involvement in three main cellular mechanisms including inflammation, apoptosis, and proliferation.
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Affiliation(s)
- Sahar Khorasani
- Ferdows Paramedical School, Birjand University of Medical Sciences, Birjand, Iran
| | - Nadia Boroumand
- Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Clinical Biochemistry, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Fahimeh Lavi Arab
- Immunology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Seyed Isaac Hashemy
- Surgical Oncology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
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24
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Gergues M, Nagula V, Bliss SA, Eljarrah A, Ayer S, Gnanavel N, Sinha G, Wu Q, Yehia G, Greco SJ, Qian J, Rameshwar P. Neuroimmune/Hematopoietic Axis with Distinct Regulation by the High-Mobility Group Box 1 in Association with Tachykinin Peptides. THE JOURNAL OF IMMUNOLOGY 2020; 204:879-891. [PMID: 31924647 DOI: 10.4049/jimmunol.1900582] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Accepted: 12/13/2019] [Indexed: 01/16/2023]
Abstract
Hematopoiesis is tightly regulated by the bone marrow (BM) niche. The niche is robust, allowing for the return of hematopoietic homeostasis after insults such as infection. Hematopoiesis is partly regulated by soluble factors, such as neuropeptides, substance P (SP), and neurokinin A (NK-A), which mediate hematopoietic stimulation and inhibition, respectively. SP and NK-A are derived from the Tac1 gene that is alternately spliced into four variants. The hematopoietic effects of SP and NK-A are mostly mediated via BM stroma. Array analyses with 2400 genes indicated distinct changes in SP-stimulated BM stroma. Computational analyses indicated networks of genes with hematopoietic regulation. Included among these networks is the high-mobility group box 1 gene (HMGB1), a nonhistone chromatin-associated protein. Validation studies indicated that NK-A could reverse SP-mediated HMGB1 decrease. Long-term culture-initiating cell assay, with or without NK-A receptor antagonist (NK2), showed a suppressive effect of HMGB1 on hematopoietic progenitors and increase in long-term culture-initiating cell assay cells (primitive hematopoietic cells). These effects occurred partly through NK-A. NSG mice with human hematopoietic system injected with the HMGB1 antagonist glycyrrhizin verified the in vitro effects of HMGB1. Although the effects on myeloid lineage were suppressed, the results suggested a more complex effect on the lymphoid lineage. Clonogenic assay for CFU- granulocyte-monocyte suggested that HMGB1 may be required to prevent hematopoietic stem cell exhaustion to ensure immune homeostasis. In summary, this study showed how HMGB1 is linked to SP and NK-A to protect the most primitive hematopoietic cell and also to maintain immune/hematopoietic homeostasis.
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Affiliation(s)
- Marina Gergues
- Department of Medicine, Rutgers New Jersey Medical School, Newark, New Jersey 07103.,Rutgers School of Graduate Studies at New Jersey Medical School, Newark, New Jersey 07103
| | - Vipul Nagula
- Department of Medicine, Rutgers New Jersey Medical School, Newark, New Jersey 07103.,Rutgers School of Graduate Studies at New Jersey Medical School, Newark, New Jersey 07103
| | - Sarah A Bliss
- Department of Medicine, Rutgers New Jersey Medical School, Newark, New Jersey 07103.,Rutgers School of Graduate Studies at New Jersey Medical School, Newark, New Jersey 07103
| | - Adam Eljarrah
- Department of Medicine, Rutgers New Jersey Medical School, Newark, New Jersey 07103.,Rutgers School of Graduate Studies at New Jersey Medical School, Newark, New Jersey 07103
| | - Seda Ayer
- Department of Medicine, Rutgers New Jersey Medical School, Newark, New Jersey 07103.,Rutgers School of Graduate Studies at New Jersey Medical School, Newark, New Jersey 07103
| | - Nikhil Gnanavel
- Department of Medicine, Rutgers New Jersey Medical School, Newark, New Jersey 07103
| | - Garima Sinha
- Department of Medicine, Rutgers New Jersey Medical School, Newark, New Jersey 07103.,Rutgers School of Graduate Studies at New Jersey Medical School, Newark, New Jersey 07103
| | - Qunfeng Wu
- Department of Pathology, Immunology, and Laboratory Medicine, Rutgers New Jersey Medical School, Newark, New Jersey 07103; and
| | - Ghassan Yehia
- Genome Editing Shared Resource, Office of Research and Economic Development, Rutgers University, New Brunswick, New Jersey 08901
| | - Steven J Greco
- Department of Medicine, Rutgers New Jersey Medical School, Newark, New Jersey 07103
| | - Jing Qian
- Department of Medicine, Rutgers New Jersey Medical School, Newark, New Jersey 07103
| | - Pranela Rameshwar
- Department of Medicine, Rutgers New Jersey Medical School, Newark, New Jersey 07103; .,Rutgers School of Graduate Studies at New Jersey Medical School, Newark, New Jersey 07103
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Nässel DR, Zandawala M, Kawada T, Satake H. Tachykinins: Neuropeptides That Are Ancient, Diverse, Widespread and Functionally Pleiotropic. Front Neurosci 2019; 13:1262. [PMID: 31824255 PMCID: PMC6880623 DOI: 10.3389/fnins.2019.01262] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Accepted: 11/06/2019] [Indexed: 12/29/2022] Open
Abstract
Tachykinins (TKs) are ancient neuropeptides present throughout the bilaterians and are, with some exceptions, characterized by a conserved FX1GX2Ramide carboxy terminus among protostomes and FXGLMamide in deuterostomes. The best-known TK is the vertebrate substance P, which in mammals, together with other TKs, has been implicated in health and disease with important roles in pain, inflammation, cancer, depressive disorder, immune system, gut function, hematopoiesis, sensory processing, and hormone regulation. The invertebrate TKs are also known to have multiple functions in the central nervous system and intestine and these have been investigated in more detail in the fly Drosophila and some other arthropods. Here, we review the protostome and deuterostome organization and evolution of TK precursors, peptides and their receptors, as well as their functions, which appear to be partly conserved across Bilateria. We also outline the distribution of TKs in the brains of representative organisms. In Drosophila, recent studies have revealed roles of TKs in early olfactory processing, neuromodulation in circuits controlling locomotion and food search, nociception, aggression, metabolic stress, and hormone release. TK signaling also regulates lipid metabolism in the Drosophila intestine. In crustaceans, TK is an important neuromodulator in rhythm-generating motor circuits in the stomatogastric nervous system and a presynaptic modulator of photoreceptor cells. Several additional functional roles of invertebrate TKs can be inferred from their distribution in various brain circuits. In addition, there are a few interesting cases where invertebrate TKs are injected into prey animals as vasodilators from salivary glands or paralyzing agents from venom glands. In these cases, the peptides are produced in the glands of the predator with sequences mimicking the prey TKs. Lastly, the TK-signaling system appears to have duplicated in Panarthropoda (comprising arthropods, onychophores, and tardigrades) to give rise to a novel type of peptides, natalisins, with a distinct receptor. The distribution and functions of natalisins are distinct from the TKs. In general, it appears that TKs are widely distributed and act in circuits at short range as neuromodulators or cotransmitters.
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Affiliation(s)
- Dick R. Nässel
- Department of Zoology, Stockholm University, Stockholm, Sweden
| | - Meet Zandawala
- Department of Neuroscience, Brown University, Providence, RI, United States
| | - Tsuyoshi Kawada
- Bioorganic Research Institute, Suntory Foundation for Life Sciences, Kyoto, Japan
| | - Honoo Satake
- Bioorganic Research Institute, Suntory Foundation for Life Sciences, Kyoto, Japan
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Nolden A, Joseph PV, Kober KM, Cooper BA, Paul SM, Hammer MJ, Dunn LB, Conley YP, Levine JD, Miaskowski C. Co-occurring Gastrointestinal Symptoms Are Associated With Taste Changes in Oncology Patients Receiving Chemotherapy. J Pain Symptom Manage 2019; 58:756-765. [PMID: 31349034 PMCID: PMC6823134 DOI: 10.1016/j.jpainsymman.2019.07.016] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2019] [Revised: 07/13/2019] [Accepted: 07/15/2019] [Indexed: 12/24/2022]
Abstract
CONTEXT Over 80% of patients with cancer report taste changes. Despite the high prevalence of this symptom and its negative effects on health, few studies have assessed its association with other gastrointestinal (GI) symptoms. OBJECTIVES Determine the occurrence, frequency, severity, and distress of patient-reported "change in the way food tastes" (CFT) and identify phenotypic and GI symptoms characteristics associated with its occurrence. METHODS Patients receiving chemotherapy for breast, GI, gynecological, or lung cancer completed demographic and symptom questionnaires prior to their second or third cycle of chemotherapy. CFT was assessed using the Memorial Symptom Assessment Scale. Differences in demographic, clinical, and GI symptom characteristics were evaluated using parametric and nonparametric tests. RESULTS Of the 1329 patients, 49.4% reported experiencing CFT in the week prior to their second or third cycle of chemotherapy. In the univariate analysis, patients who reported CFT had fewer years of education; were more likely to be black or Hispanic, mixed race, or other; and had a lower annual household income. A higher percentage of patients with CFT reported the occurrence of 13 GI symptoms (e.g., constipation, diarrhea, abdominal cramps, feeling bloated). In a multivariable logistic regression analysis, compared with patients with breast cancer, patients with lung cancer (odds ratio = 0.55; P = 0.004) had a decrease in the odds of being in the CFT group. Patients who received a neurokinin-1 receptor antagonist and two other antiemetics were at an increased odds of being in the CFT group (odds ratio = 2.51; P = 0.001). Eight of the 13 GI symptoms evaluated were associated with an increased odds of being in the CFT group. CONCLUSIONS This study provides new evidence on the frequency, severity, and distress of CFT in oncology patients undergoing chemotherapy. These findings suggest that CFT is an important problem that warrants ongoing assessments and nutritional interventions.
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Affiliation(s)
- Alissa Nolden
- Food Science Department, College of Natural Sciences, University of Massachusetts, Amherst, Massachusetts, USA
| | - Paule V Joseph
- Sensory Science & Metabolism Unit, Biobehavioral Branch, Division of Intramural Research, National Institutes of Health, Department of Health and Human Services, Bethesda, Maryland, USA
| | - Kord M Kober
- Department of Physiological Nursing, School of Nursing, University of California San Francisco, San Francisco, California, USA
| | - Bruce A Cooper
- Department of Physiological Nursing, School of Nursing, University of California San Francisco, San Francisco, California, USA
| | - Steven M Paul
- Department of Physiological Nursing, School of Nursing, University of California San Francisco, San Francisco, California, USA
| | - Marilyn J Hammer
- Department of Nursing, Mount Sinai Medical Center, New York, New York, USA
| | - Laura B Dunn
- School of Medicine, Stanford University, Stanford, California, USA
| | - Yvette P Conley
- School of Nursing, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Jon D Levine
- School of Medicine, University of California, San Francisco, California, USA
| | - Christine Miaskowski
- Department of Physiological Nursing, School of Nursing, University of California San Francisco, San Francisco, California, USA.
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Jarocki VM, Raymond BBA, Tacchi JL, Padula MP, Djordjevic SP. Mycoplasma hyopneumoniae surface-associated proteases cleave bradykinin, substance P, neurokinin A and neuropeptide Y. Sci Rep 2019; 9:14585. [PMID: 31601981 PMCID: PMC6787215 DOI: 10.1038/s41598-019-51116-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Accepted: 09/25/2019] [Indexed: 01/16/2023] Open
Abstract
Mycoplasma hyopneumoniae is an economically-devastating and geographically-widespread pathogen that colonises ciliated epithelium, and destroys mucociliary function. M. hyopneumoniae devotes ~5% of its reduced genome to encode members of the P97 and P102 adhesin families that are critical for colonising epithelial cilia, but mechanisms to impair mucociliary clearance and manipulate host immune response to induce a chronic infectious state have remained elusive. Here we identified two surface exposed M. hyopneumoniae proteases, a putative Xaa-Pro aminopeptidase (MHJ_0659; PepP) and a putative oligoendopeptidase F (MHJ_0522; PepF), using immunofluorescence microscopy and two orthogonal proteomic methodologies. MHJ_0659 and MHJ_0522 were purified as polyhistidine fusion proteins and shown, using a novel MALDI-TOF MS assay, to degrade four pro-inflammatory peptides that regulate lung homeostasis; bradykinin (BK), substance P (SP), neurokinin A (NKA) and neuropeptide Y (NPY). These findings provide insight into the mechanisms used by M. hyopneumoniae to influence ciliary beat frequency, impair mucociliary clearance, and initiate a chronic infectious disease state in swine, features that are a hallmark of disease caused by this pathogen.
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Affiliation(s)
- Veronica Maria Jarocki
- ithree institute, University of Technology Sydney, PO Box 123, Broadway, NSW, 2007, Australia.
| | | | - Jessica Leigh Tacchi
- ithree institute, University of Technology Sydney, PO Box 123, Broadway, NSW, 2007, Australia
| | - Matthew Paul Padula
- Proteomics Core Facility, University of Technology Sydney, PO Box 123, Broadway, 2007, NSW, Australia
| | - Steven Philip Djordjevic
- ithree institute, University of Technology Sydney, PO Box 123, Broadway, NSW, 2007, Australia.
- Proteomics Core Facility, University of Technology Sydney, PO Box 123, Broadway, 2007, NSW, Australia.
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Deng Y, Ma J, Wang Z, Long X, Chen C, Feng Q, Zhang X, Zeng M, Wang H, Lu X, Liu Z. Hemokinin‐1 stimulates C‐C motif chemokine ligand 24 production in macrophages to enhance eosinophilic inflammation in nasal polyps. Int Forum Allergy Rhinol 2019; 9:1334-1345. [PMID: 31545881 DOI: 10.1002/alr.22430] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2019] [Revised: 08/07/2019] [Accepted: 08/27/2019] [Indexed: 02/01/2023]
Affiliation(s)
- Yi‐Ke Deng
- Department of Otolaryngology–Head and Neck Surgery, Tongji Hospital, Tongji Medical CollegeHuazhong University of Science and Technology Wuhan PR China
| | - Jin Ma
- Department of Otolaryngology–Head and Neck Surgery, Tongji Hospital, Tongji Medical CollegeHuazhong University of Science and Technology Wuhan PR China
| | - Zhi‐Chao Wang
- Department of Otolaryngology–Head and Neck Surgery, Tongji Hospital, Tongji Medical CollegeHuazhong University of Science and Technology Wuhan PR China
| | - Xiao‐Bo Long
- Department of Otolaryngology–Head and Neck Surgery, Tongji Hospital, Tongji Medical CollegeHuazhong University of Science and Technology Wuhan PR China
| | - Cai‐Ling Chen
- Department of Otolaryngology–Head and Neck Surgery, Tongji Hospital, Tongji Medical CollegeHuazhong University of Science and Technology Wuhan PR China
| | - Qi‐Miao Feng
- Department of Otolaryngology–Head and Neck Surgery, Tongji Hospital, Tongji Medical CollegeHuazhong University of Science and Technology Wuhan PR China
| | - Xin‐Hao Zhang
- Department of Otolaryngology–Head and Neck Surgery, Tongji Hospital, Tongji Medical CollegeHuazhong University of Science and Technology Wuhan PR China
| | - Ming Zeng
- Department of Otolaryngology–Head and Neck Surgery, Tongji Hospital, Tongji Medical CollegeHuazhong University of Science and Technology Wuhan PR China
| | - Heng Wang
- Department of Otolaryngology–Head and Neck Surgery, Tongji Hospital, Tongji Medical CollegeHuazhong University of Science and Technology Wuhan PR China
| | - Xiang Lu
- Department of Otolaryngology–Head and Neck Surgery, Tongji Hospital, Tongji Medical CollegeHuazhong University of Science and Technology Wuhan PR China
| | - Zheng Liu
- Department of Otolaryngology–Head and Neck Surgery, Tongji Hospital, Tongji Medical CollegeHuazhong University of Science and Technology Wuhan PR China
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Neuroprotective Peptides in Retinal Disease. J Clin Med 2019; 8:jcm8081146. [PMID: 31374938 PMCID: PMC6722704 DOI: 10.3390/jcm8081146] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Revised: 07/26/2019] [Accepted: 07/31/2019] [Indexed: 02/07/2023] Open
Abstract
In the pathogenesis of many disorders, neuronal death plays a key role. It is now assumed that neurodegeneration is caused by multiple and somewhat converging/overlapping death mechanisms, and that neurons are sensitive to unique death styles. In this respect, major advances in the knowledge of different types, mechanisms, and roles of neurodegeneration are crucial to restore the neuronal functions involved in neuroprotection. Several novel concepts have emerged recently, suggesting that the modulation of the neuropeptide system may provide an entirely new set of pharmacological approaches. Neuropeptides and their receptors are expressed widely in mammalian retinas, where they exert neuromodulatory functions including the processing of visual information. In multiple models of retinal diseases, different peptidergic substances play neuroprotective actions. Herein, we describe the novel advances on the protective roles of neuropeptides in the retina. In particular, we focus on the mechanisms by which peptides affect neuronal death/survival and the vascular lesions commonly associated with retinal neurodegenerative pathologies. The goal is to highlight the therapeutic potential of neuropeptide systems as neuroprotectants in retinal diseases.
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Glutamatergic Signaling Along The Microbiota-Gut-Brain Axis. Int J Mol Sci 2019; 20:ijms20061482. [PMID: 30934533 PMCID: PMC6471396 DOI: 10.3390/ijms20061482] [Citation(s) in RCA: 178] [Impact Index Per Article: 35.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Revised: 03/04/2019] [Accepted: 03/21/2019] [Indexed: 12/21/2022] Open
Abstract
A complex bidirectional communication system exists between the gastrointestinal tract and the brain. Initially termed the “gut-brain axis” it is now renamed the “microbiota-gut-brain axis” considering the pivotal role of gut microbiota in maintaining local and systemic homeostasis. Different cellular and molecular pathways act along this axis and strong attention is paid to neuroactive molecules (neurotransmitters, i.e., noradrenaline, dopamine, serotonin, gamma aminobutyric acid and glutamate and metabolites, i.e., tryptophan metabolites), sustaining a possible interkingdom communication system between eukaryota and prokaryota. This review provides a description of the most up-to-date evidence on glutamate as a neurotransmitter/neuromodulator in this bidirectional communication axis. Modulation of glutamatergic receptor activity along the microbiota-gut-brain axis may influence gut (i.e., taste, visceral sensitivity and motility) and brain functions (stress response, mood and behavior) and alterations of glutamatergic transmission may participate to the pathogenesis of local and brain disorders. In this latter context, we will focus on two major gut disorders, such as irritable bowel syndrome and inflammatory bowel disease, both characterized by psychiatric co-morbidity. Research in this area opens the possibility to target glutamatergic neurotransmission, either pharmacologically or by the use of probiotics producing neuroactive molecules, as a therapeutic approach for the treatment of gastrointestinal and related psychiatric disorders.
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31
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Substance P receptor in the rat indusium griseum during postnatal development. Neurosci Res 2018; 130:23-38. [DOI: 10.1016/j.neures.2017.08.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Revised: 08/09/2017] [Accepted: 08/18/2017] [Indexed: 11/21/2022]
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Stacey P, Wassermann AM, Kammonen L, Impey E, Wilbrey A, Cawkill D. Plate-Based Phenotypic Screening for Pain Using Human iPSC-Derived Sensory Neurons. SLAS DISCOVERY 2018; 23:585-596. [PMID: 29547351 DOI: 10.1177/2472555218764678] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Screening against a disease-relevant phenotype to identify compounds that change the outcome of biological pathways, rather than just the activity of specific targets, offers an alternative approach to find modulators of disease characteristics. However, in pain research, use of in vitro phenotypic screens has been impeded by the challenge of sourcing relevant neuronal cell types in sufficient quantity and developing functional end-point measurements with a direct disease link. To overcome these hurdles, we have generated human induced pluripotent stem cell (hiPSC)-derived sensory neurons at a robust production scale using the concept of cryopreserved "near-assay-ready" cells to decouple complex cell production from assay development and screening. hiPSC sensory neurons have then been used for development of a 384-well veratridine-evoked calcium flux assay. This functional assay of neuronal excitability was validated for phenotypic relevance to pain and other hyperexcitability disorders through screening a small targeted validation compound subset. A 2700-compound chemogenomics screen was then conducted to profile the range of target-based mechanisms able to inhibit veratridine-evoked excitability. This report presents the assay development, validation, and screening data. We conclude that high-throughput-compatible pain-relevant phenotypic screening with hiPSC sensory neurons is feasible and ready for application for the identification of new targets, pathways, mechanisms of action, and compounds for modulating neuronal excitability.
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Affiliation(s)
- Peter Stacey
- 1 Pfizer Neusentis, Great Abington, Cambridgeshire, UK
| | | | | | - Emma Impey
- 1 Pfizer Neusentis, Great Abington, Cambridgeshire, UK
| | - Anna Wilbrey
- 1 Pfizer Neusentis, Great Abington, Cambridgeshire, UK
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Altered circadian feeding behavior and improvement of metabolic syndrome in obese Tac1-deficient mice. Int J Obes (Lond) 2017; 41:1798-1804. [PMID: 28775376 PMCID: PMC5716839 DOI: 10.1038/ijo.2017.185] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2017] [Revised: 06/28/2017] [Accepted: 07/22/2017] [Indexed: 12/17/2022]
Abstract
BACKGROUND Metabolic function is regulated by the interplay of central and peripheral factors that ultimately regulate food intake and energy expenditure. The tachykinin substance P (SP) has been identified as a novel regulator of energy balance, however, the mechanisms underlying this effect are ill-defined and conflicting data regarding the role of SP on food intake have been reported by different groups. OBJECTIVE To further characterize the metabolic role of the Tac1 gene products (SP and neurokinin A (NKA)) in mice through a series of genetic, metabolic and behavioral studies in Tac1 deficient mice. RESULTS Tac1−/− mice are leaner than controls and display reduced food intake and altered feeding circadian rhythm, supported by disrupted expression of the clock genes Cry1/2, Per1/2 in the suprachiasmatic nucleus (SCN), medio-basal hypothalamus (MBH) and liver, as well as increased Pomc expression in the MBH. Tac1 ablation induced resistance to obesity, improved glucose tolerance, prevented insulin resistance under high-fat-diet, increased activation of brown adipose tissue and improved hepatic steatosis. Moreover, deletion of Tac1 in ob/ob mice ameliorated BW gain in females only but was sufficient to decrease fat and triglyceride content in the liver of males. CONCLUSIONS These results provide further evidence that Tac1 controls circadian feeding behavior and metabolism in mice through mechanisms that involve the regulation of the melanocortin system. In addition, these studies suggest that the blockade of SP may offer a new method to treat metabolic syndrome.
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Kaczyńska K, Jampolska M, Szereda-Przestaszewska M. The role of vagal pathway and NK1 and NK2 receptors in cardiovascular and respiratory effects of neurokinin A. Clin Exp Pharmacol Physiol 2017; 43:818-24. [PMID: 27199181 DOI: 10.1111/1440-1681.12594] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2016] [Revised: 05/06/2016] [Accepted: 05/15/2016] [Indexed: 11/29/2022]
Abstract
Neurokinin A (NKA) is a peptide neurotransmitter that participates in the regulation of breathing and the cardiovascular system. The purpose of the current study was to determine the cardiorespiratory pattern exerted by the systemic injection of NKA, to look at the contribution of neurokinin NK1 and NK2 receptors, and to establish the engagement of the vagal pathway in mediation of these responses. The effects of intravenous injections of NKA (50 μg/kg) were studied in anaesthetized, spontaneously breathing rats in the following experimental schemes: in neurally intact rats; and vagotomized at either midcervical or supranodosal level. Intravenous injections of NKA in the intact rats evoked sudden and short-lived increase in the respiratory rate concomitant with drop in tidal volume, followed by a prolonged depression, coupled with continuous augmentation of the tidal volume. Respiratory alterations were accompanied by transient tachycardia and prolonged hypotension. Midcervical vagotomy eliminated respiratory rate response and augmentation of tidal volume. Section of supranodosal vagi abrogated all respiratory reactions. NK2 receptor blockade abolished respiratory changes without affecting cardiovascular effects, whereas NK1 receptor blockade significantly reduced hypotension and increase in heart rate with no impact on the respiratory system. These results indicate that NKA induced changes in the breathing resulting from an excitation of the NK2 receptors on the vagal endings. A fall in blood pressure triggered by NKA occurs outside of the vagus nerve and is probably mediated via its direct action on vascular smooth muscles supplied with NK1 receptors.
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Affiliation(s)
- Katarzyna Kaczyńska
- Laboratory of Respiration Physiology, Mossakowski Medical Research Centre, Polish Academy of Sciences, Warsaw, Poland
| | - Monika Jampolska
- Laboratory of Respiration Physiology, Mossakowski Medical Research Centre, Polish Academy of Sciences, Warsaw, Poland
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Barbaresi P, Mensà E, Bastioli G, Amoroso S. Substance P NK1 receptor in the rat corpus callosum during postnatal development. Brain Behav 2017; 7:e00713. [PMID: 28638718 PMCID: PMC5474716 DOI: 10.1002/brb3.713] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
INTRODUCTION The expression of substance P (SP) receptor (neurokinin 1, NK1) was studied in the rat corpus callosum (cc) from postnatal day 0 (the first 24 hr from birth, P0) to P30. METHODS We used immunocytochemistry to study the presence of intracallosal NK1-immunopositive neurons (NK1IP-n) during cc development. RESULTS NK1IP-n first appeared on P5. Their number increased significantly between P5 and P10, it remained almost constant between P10 and P15, then declined slightly until P30. The size of intracallosal NK1IP-n increased constantly from P5 (102.3 μm2) to P30 (262.07 μm2). From P5 onward, their distribution pattern was adult-like, that is, they were more numerous in the lateral and intermediate parts of the cc, and declined to few or none approaching the midline. At P5, intracallosal NK1IP-n had a predominantly round cell bodies with primary dendrites of different thickness from which originated thinner secondary branches. Between P10 and P15, dendrites were longer and more thickly branched, and displayed several varicosities as well as short, thin appendages. Between P20 and P30, NK1IP-n were qualitatively indistinguishable from those of adult animals and could be classified as bipolar (fusiform and rectangular), round-polygonal, and pyramidal (triangular-pyriform). CONCLUSIONS Number of NK1IP-n increase between P5 and P10, then declines, but unlike other intracallosal neurons, NK1IP-n make up a significant population in the adult cc. These findings suggest that NK1IP-n may be involved in the myelination of callosal axons, could play an important role in their pathfinding. Since they are also found in adult rat cc, it is likely that their role changes during lifetime.
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Affiliation(s)
- Paolo Barbaresi
- Section of Neuroscience and Cell Biology Department of Experimental and Clinical Medicine Marche Polytechnic University Ancona Italy
| | - Emanuela Mensà
- Section of Neuroscience and Cell Biology Department of Experimental and Clinical Medicine Marche Polytechnic University Ancona Italy
| | - Guendalina Bastioli
- Department of Biomedical Sciences and Public Health Marche Polytechnic University Ancona Italy
| | - Salvatore Amoroso
- Department of Biomedical Sciences and Public Health Marche Polytechnic University Ancona Italy
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Filpa V, Moro E, Protasoni M, Crema F, Frigo G, Giaroni C. Role of glutamatergic neurotransmission in the enteric nervous system and brain-gut axis in health and disease. Neuropharmacology 2016; 111:14-33. [PMID: 27561972 DOI: 10.1016/j.neuropharm.2016.08.024] [Citation(s) in RCA: 67] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2016] [Revised: 07/18/2016] [Accepted: 08/18/2016] [Indexed: 02/07/2023]
Abstract
Several studies have been carried out in the last 30 years in the attempt to clarify the possible role of glutamate as a neurotransmitter/neuromodulator in the gastrointestinal tract. Such effort has provided immunohistochemical, biomolecular and functional data suggesting that the entire glutamatergic neurotransmitter machinery is present in the complex circuitries of the enteric nervous system (ENS), which participates to the local coordination of gastrointestinal functions. Glutamate is also involved in the regulation of the brain-gut axis, a bi-directional connection pathway between the central nervous system (CNS) and the gut. The neurotransmitter contributes to convey information, via afferent fibers, from the gut to the brain, and to send appropriate signals, via efferent fibers, from the brain to control gut secretion and motility. In analogy with the CNS, an increasing number of studies suggest that dysregulation of the enteric glutamatergic neurotransmitter machinery may lead to gastrointestinal dysfunctions. On the whole, this research field has opened the possibility to find new potential targets for development of drugs for the treatment of gastrointestinal diseases. The present review analyzes the more recent literature on enteric glutamatergic neurotransmission both in physiological and pathological conditions, such as gastroesophageal reflux, gastric acid hypersecretory diseases, inflammatory bowel disease, irritable bowel syndrome and intestinal ischemia/reperfusion injury.
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Affiliation(s)
- Viviana Filpa
- Department of Clinical and Experimental Medicine, University of Insubria, via H. Dunant 5, I-21100 Varese, Italy
| | - Elisabetta Moro
- Department of Internal Medicine and Therapeutics, Section of Pharmacology, via Ferrata 9, I-27100 Pavia, Italy
| | - Marina Protasoni
- Department of Surgical and Morphological Sciences, University of Insubria, via F. Guicciardini 9, I-21100 Varese, Italy
| | - Francesca Crema
- Department of Internal Medicine and Therapeutics, Section of Pharmacology, via Ferrata 9, I-27100 Pavia, Italy
| | - Gianmario Frigo
- Department of Internal Medicine and Therapeutics, Section of Pharmacology, via Ferrata 9, I-27100 Pavia, Italy
| | - Cristina Giaroni
- Department of Clinical and Experimental Medicine, University of Insubria, via H. Dunant 5, I-21100 Varese, Italy
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Thompson DL, Arana Valencia N, Oberhaus EL. Responses of Adenohypophyseal Hormones to Substance P Administration in Geldings: Comparison to Responses After Brief Exercise and Sulpiride Administration. J Equine Vet Sci 2016. [DOI: 10.1016/j.jevs.2016.03.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Paulino N, Paulino AS, Diniz SN, de Mendonça S, Gonçalves ID, Faião Flores F, Santos RP, Rodrigues C, Pardi PC, Quincoces Suarez JA. Evaluation of the anti-inflammatory action of curcumin analog (DM1): Effect on iNOS and COX-2 gene expression and autophagy pathways. Bioorg Med Chem 2016; 24:1927-35. [PMID: 27010501 DOI: 10.1016/j.bmc.2016.03.024] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2015] [Revised: 03/04/2016] [Accepted: 03/12/2016] [Indexed: 02/07/2023]
Abstract
This work describes the anti-inflammatory effect of the curcumin-analog compound, sodium 4-[5-(4-hydroxy-3-methoxyphenyl)-3-oxo-penta-1,4-dienyl]-2-methoxy-phenolate (DM1), and shows that DM1 modulates iNOS and COX-2 gene expression in cultured RAW 264.7 cells and induces autophagy on human melanoma cell line A375.
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Affiliation(s)
- Niraldo Paulino
- Programa de Pós-graduação em Farmácia, Universidade Anhanguera de São Paulo-UNIAN-SP, Programa de Mestrado Profissional em Farmácia e Programa de Mestrado e Doutorado em Biotecnologia e Inovação em Saúde, Rua Maria Cândida, 1813-Vila Guilherme, São Paulo, SP CEP 02071-013, Brazil.
| | - Amarilis Scremin Paulino
- Universidade Federal de Santa Catarina, Departamento de Ciências Farmacêuticas, Campus Universitário Trindade, Florianópolis, SC CEP 88040-400, Brazil
| | - Susana N Diniz
- Programa de Pós-graduação em Farmácia, Universidade Anhanguera de São Paulo-UNIAN-SP, Programa de Mestrado Profissional em Farmácia e Programa de Mestrado e Doutorado em Biotecnologia e Inovação em Saúde, Rua Maria Cândida, 1813-Vila Guilherme, São Paulo, SP CEP 02071-013, Brazil
| | - Sergio de Mendonça
- Programa de Pós-graduação em Farmácia, Universidade Anhanguera de São Paulo-UNIAN-SP, Programa de Mestrado Profissional em Farmácia e Programa de Mestrado e Doutorado em Biotecnologia e Inovação em Saúde, Rua Maria Cândida, 1813-Vila Guilherme, São Paulo, SP CEP 02071-013, Brazil
| | - Ivair D Gonçalves
- Programa de Pós-graduação em Farmácia, Universidade Anhanguera de São Paulo-UNIAN-SP, Programa de Mestrado Profissional em Farmácia e Programa de Mestrado e Doutorado em Biotecnologia e Inovação em Saúde, Rua Maria Cândida, 1813-Vila Guilherme, São Paulo, SP CEP 02071-013, Brazil
| | - Fernanda Faião Flores
- Universidade de São Paulo, Faculdade de Ciências Farmacêuticas, Departamento de Análises Clínicas e Toxicológicas, Cidade Universitária, Butantã, São Paulo, SP CEP 05508-900, Brazil
| | - Reginaldo Pereira Santos
- Programa de Pós-graduação em Farmácia, Universidade Anhanguera de São Paulo-UNIAN-SP, Programa de Mestrado Profissional em Farmácia e Programa de Mestrado e Doutorado em Biotecnologia e Inovação em Saúde, Rua Maria Cândida, 1813-Vila Guilherme, São Paulo, SP CEP 02071-013, Brazil
| | - Carina Rodrigues
- Programa de Pós-graduação em Farmácia, Universidade Anhanguera de São Paulo-UNIAN-SP, Programa de Mestrado Profissional em Farmácia e Programa de Mestrado e Doutorado em Biotecnologia e Inovação em Saúde, Rua Maria Cândida, 1813-Vila Guilherme, São Paulo, SP CEP 02071-013, Brazil
| | - Paulo Celso Pardi
- Programa de Pós-graduação em Farmácia, Universidade Anhanguera de São Paulo-UNIAN-SP, Programa de Mestrado Profissional em Farmácia e Programa de Mestrado e Doutorado em Biotecnologia e Inovação em Saúde, Rua Maria Cândida, 1813-Vila Guilherme, São Paulo, SP CEP 02071-013, Brazil
| | - José Agustin Quincoces Suarez
- Programa de Pós-graduação em Farmácia, Universidade Anhanguera de São Paulo-UNIAN-SP, Programa de Mestrado Profissional em Farmácia e Programa de Mestrado e Doutorado em Biotecnologia e Inovação em Saúde, Rua Maria Cândida, 1813-Vila Guilherme, São Paulo, SP CEP 02071-013, Brazil
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