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neuropeptide S receptor

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https://www.readbyqxmd.com/read/29307283/modulation-of-the-ogf-ogfr-pathway-alters-cytokine-profiles-in-experimental-autoimmune-encephalomyelitis-and-multiple-sclerosis
#1
Michael D Ludwig, Ian S Zagon, Patricia J McLaughlin
The endogenous neuropeptide opioid growth factor, chemically termed [Met5]-enkephalin, has growth inhibitory and immunomodulatory properties. Opioid growth factor is distributed widely throughout most tissues, is autocrine and paracrine produced, and interacts at the nuclear-associated receptor, OGFr. Serum levels of opioid growth factor are decreased in patients with multiple sclerosis and in animals with experimental autoimmune encephalomyelitis suggesting that the OGF-OGFr pathway becomes dysregulated in this disease...
January 1, 2018: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/29247679/anti-leptin-receptor-antibodies-strengthen-leptin-biofunction-in-growing-chickens
#2
M M Lei, C K Wei, Z Chen, S Yosefi, H X Zhu, Z D Shi
Antibodies against the extracellular domains of the chicken leptin receptor were used to study the biological function of leptin in growing chickens. Both polyclonal and monoclonal antibodies were administered intramuscularly to 30-d-old Chinese indigenous Gushi pullets. Both antibody preparations increased feed intake for 6 h after injection and reduced plasma concentrations of glucose, triglycerides, and both high- and low-density lipoproteins. The antibody treatments also upregulated agouti-related peptide and neuropeptide Y in the hypothalamus and downregulated proopiomelanocortin, melanocortin 4 receptor, and leptin receptor...
December 13, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/29246492/three-steroid-binding-globulins-their-localization-in-the-brain-and-nose-and-what-they-might-be-doing-there
#3
J D Caldwell, K Londe, S D Ochs, Z Hajdu, A Rodewald, V M Gebhart, G F Jirikowski
Steroid-binding globulins (SBGs) such as sex hormone binding globulin, corticosteroid binding globulin, and vitamin-D binding protein are receiving increasing notice as being actively involved in steroid actions. This paper reviews data of all three of these SBGs, focusing on their presence and possible activity in the brain and nose. We have found all three proteins in the brain in limbic areas such as the paraventricular (PVN) and supraoptic nuclei (SON) as well as other areas of the hypothalamus, hippocampus, and medial preoptic area...
December 12, 2017: Steroids
https://www.readbyqxmd.com/read/29237453/human-microglia-and-astrocytes-constitutively-express-the-neurokinin-1-receptor-and-functionally-respond-to-substance-p
#4
Amanda R Burmeister, M Brittany Johnson, Vinita S Chauhan, Megan J Moerdyk-Schauwecker, Ada D Young, Ian D Cooley, Alejandra N Martinez, Geeta Ramesh, Mario T Philipp, Ian Marriott
BACKGROUND: The tachykinin substance P (SP) is recognized to exacerbate inflammation at peripheral sites via its target receptor, neurokinin 1 receptor (NK-1R), expressed by leukocytes. More recently, SP/NK-1R interactions have been associated with severe neuroinflammation and neuronal damage. We have previously demonstrated that NK-1R antagonists can limit neuroinflammatory damage in a mouse model of bacterial meningitis. Furthermore, we have since shown that these agents can attenuate bacteria-induced neuronal and glial inflammatory mediator production in nonhuman primate (NHP) brain explants and isolated neuronal cells, and following in vivo infection...
December 13, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29208684/central-npy-y5-sub-receptor-partially-functions-as-a-mediator-of-npy-induced-hypothermia-and-affords-thermotolerance-in-heat-exposed-fasted-chicks
#5
Hatem M Eltahan, Mohammad A Bahry, Hui Yang, Guofeng Han, Linh T N Nguyen, Hiromi Ikeda, Mohamed N Ali, Khairy A Amber, Mitsuhiro Furuse, Vishwajit S Chowdhury
Exposure of chicks to a high ambient temperature (HT) has previously been shown to increase neuropeptide Y (NPY) mRNA expression in the brain. Furthermore, it was found that NPY has anti-stress functions in heat-exposed fasted chicks. The aim of the study was to reveal the role of central administration of NPY on thermotolerance ability and the induction of heat-shock protein (HSP) and NPY sub-receptors (NPYSRs) in fasted chicks with the contribution of plasma metabolite changes. Six- or seven-day-old chicks were centrally injected with 0 or 375 pmol of NPY and exposed to either HT (35 ± 1°C) or control thermoneutral temperature (CT: 30 ± 1°C) for 60 min while fasted...
December 2017: Physiological Reports
https://www.readbyqxmd.com/read/29198921/research-progress-of-capsaicin-responses-to-various-pharmacological-challenges
#6
REVIEW
Pompy Patowary, Manash Pratim Pathak, Kamaruz Zaman, P S Raju, Pronobesh Chattopadhyay
Capsaicin, a well known vanilloid, has shown evidence of an ample variety of biological effects which make it the target of extensive research ever since its identification. In spite of the fact that capsaicin causes health hazards in quite a few ways, yet, the verity cannot be ignored that capsaicin has several therapeutic implications. In patients with hypersensitive bladders, vesical instillation of 1 mM capsaicin markedly improved urinary frequency and urge incontinence. Again, administration of capsaicin favors an augmentation in lipid mobilization and a decrease in adipose tissue mass...
December 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29195839/the-ventromedial-hypothalamic-nucleus-plays-an-important-role-in-anxiolytic-like-effect-of-neuropeptide-s
#7
Jin Hong Jiang, Ya Li Peng, Pei Jiang Zhang, Hong Xiang Xue, Zhen He, Xue Ya Liang, M Chang
Neuropeptide S (NPS), the endogenous neuropeptide ligand of NPSR, has been reported to regulate anxiety-related behavior involved in multiple brain regions, including amygdale, locus coeruleus and Barrington's nucleus. However, little research has been conducted on the anxiolytic-like behaviors of NPS on the hypothalamus, which was an important area in defensive behavior. Here, we investigated a role of hypothalamus in anxiolytic-like behaviors of NPS. We found that NPSR protein of mouse distributed mainly in the ventromedial hypothalamus (VMH)...
November 7, 2017: Neuropeptides
https://www.readbyqxmd.com/read/29194499/emotion-recognition-associated-with-polymorphism-in-oxytocinergic-pathway-gene-arnt2
#8
Daniel Hovey, Susanne Henningsson, Diana S Cortes, Tanja Bänziger, Anna Zettergren, Jonas Melke, Håkan Fischer, Petri Laukka, Lars Westberg
The ability to correctly understand the emotional expression of another person is essential for social relationships and appears to be a partly inherited trait. The neuropeptides oxytocin and vasopressin have been shown to influence this ability as well as face processing in humans. Here, recognition of the emotional content of faces and voices, separately and combined, was investigated in 492 subjects, genotyped for 25 single nucleotide polymorphisms (SNPs) in eight genes encoding proteins important for oxytocin and vasopressin neurotransmission...
November 28, 2017: Social Cognitive and Affective Neuroscience
https://www.readbyqxmd.com/read/29183825/chronic-intranasal-oxytocin-has-dose-dependent-effects-on-central-oxytocin-and-vasopressin-systems-in-prairie-voles-microtus-ochrogaster
#9
C D Guoynes, T C Simmons, G M Downing, S Jacob, M Solomon, K L Bales
Oxytocin (Oxt) is a neuropeptide with many functions, including modulation of social behavior(s) and anxiety. Due to its notable pro-social effects, it has been proposed as a treatment in the management of neuropsychiatric disorders, such as autism spectrum disorder (ASD), schizophrenia, and social anxiety; however, effects of long-term daily treatment are still being explored. Previously, we have shown that in male prairie voles (Microtus ochrogaster) exposure to Oxt during the peri-adolescent period impaired adult pair bonding in a dose-dependent fashion...
November 25, 2017: Neuroscience
https://www.readbyqxmd.com/read/29163357/a-journey-through-the-gonadotropin-inhibitory-hormone-system-of-fish
#10
REVIEW
José A Muñoz-Cueto, José A Paullada-Salmerón, María Aliaga-Guerrero, Mairi E Cowan, Ishwar S Parhar, Takayoshi Ubuka
Gonadotropin-inhibitory hormone (GnIH) is a hypothalamic neuropeptide that belongs to the RFamide peptide family and was first identified in the quail brain. From the discovery of avian GnIH, orthologous GnIH peptides have been reported in a variety of vertebrates, including mammals, amphibians, teleosts and agnathans, but also in protochordates. It has been clearly established that GnIH suppresses reproduction in avian and mammalian species through its inhibitory actions on brain GnRH and pituitary gonadotropins...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29159832/expression-and-localisation-of-rxfp3-in-human-spermatozoa-and-impact-of-insl7-on-sperm-functions
#11
S Heidari, A H Taromchi, R Nejatbakhsh, S Shokri
Insulin-like peptide 7 (INSL7) or relaxin-3 is a member of the insulin superfamily that is recently discovered. This hormone interacts with relaxin family peptide receptor 3 (RXFP3). Although recent studies of INSL7 have focused on its function in the brain as a neuropeptide, spermatozoa may be a candidate target of INSL7 due to its detection in testes and contains binding sites. Therefore, this study aims to analyse the expression and localisation of RXFP3 on human spermatozoa and to assess the effect of INSL7 on human sperm motility...
November 21, 2017: Andrologia
https://www.readbyqxmd.com/read/29157796/neuropeptide-s-in-the-basolateral-amygdala-mediates-an-adaptive-behavioral-stress-response-in-a-rat-model-of-posttraumatic-stress-disorder-by-increasing-the-expression-of-bdnf-and-the-neuropeptide-yy1-receptor
#12
Cohen Hagit, Vainer Ella, Zeev Kaplan, Zohar Joseph, Mathé A Aleksander
Neuropeptide S (NPS) is a regulatory peptide that has anxiolytic and arousal-promoting effects in rodents. We used an animal model of posttraumatic stress disorder (PTSD) to assess long-term behavioral effects of a single dose of NPS, microinjected into the basolateral amygdala (BLA) 1h following exposure to predator-scent stress (PSS). To elucidate the molecular mechanism by which NPS attenuates behavioral stress responses, expression levels of neuropeptide Y (NPY), NPY-Y1 receptor (NPY-Y1R), and brain-derived neurotrophic factor (BDNF) were evaluated in the hippocampus...
November 17, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29154467/central-and-peripheral-leptin-and-agouti-related-protein-during-and-after-pregnancy-in-relation-to-weight-change
#13
Ulrika Andersson Hall, Pernilla Svedin, Ulf Andreasson, Magnus Gren, Ameli Ingemansson, Henrik Zetterberg, Kaj Blennow, Aurimantas Pelanis, Carina Mallard, Agneta Holmäng
OBJECTIVE: To study changes of neuropeptides and adipokines in cerebrospinal fluid (CSF) and serum from pregnancy to post-pregnancy in relation to weight changes, fat mass and glucose metabolism. CONTEXT: With high postpartum weight retention being a risk factor in future pregnancies and of life-long obesity we evaluated neuropeptide and adipokine changes in women who either gained weight or were weight stable. DESIGN: Women were followed for 5±1 years after pregnancy and divided into two groups, Weight-Stable and Weight-Gain, by weight change from start of pregnancy...
November 20, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/29130940/neuropeptide-y-regulates-a-vascular-gateway-for-hematopoietic-stem-and-progenitor-cells
#14
Pratibha Singh, Jonathan Hoggatt, Malgorzata M Kamocka, Khalid S Mohammad, Mary R Saunders, Hongge Li, Jennifer Speth, Nadia Carlesso, Theresa A Guise, Louis M Pelus
Endothelial cells (ECs) are components of the hematopoietic microenvironment and regulate hematopoietic stem and progenitor cell (HSPC) homeostasis. Cytokine treatments that cause HSPC trafficking to peripheral blood are associated with an increase in dipeptidylpeptidase 4/CD26 (DPP4/CD26), an enzyme that truncates the neurotransmitter neuropeptide Y (NPY). Here, we show that enzymatically altered NPY signaling in ECs caused reduced VE-cadherin and CD31 expression along EC junctions, resulting in increased vascular permeability and HSPC egress...
November 13, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29129406/neuropeptide-y-y2-antagonist-treated-ovariectomized-mice-exhibit-greater-bone-mineral-density
#15
K L Seldeen, P G Halley, C H Volmar, M A Rodríguez, M Hernandez, M Pang, S K Carlsson, L J Suva, C Wahlestedt, B R Troen, S P Brothers
Osteoporosis, a disease characterized by progressive bone loss and increased risk of fracture, often results from menopausal loss of estrogen in women. Neuropeptide Y has been shown to negatively regulate bone formation, with amygdala specific deletion of the Y2 receptor resulting in increased bone mass in mice. In this study, ovariectomized (OVX) mice were injected once daily with JNJ-31020028, a brain penetrant Y2 receptor small molecule antagonist to determine the effects on bone formation. Antagonist treated mice had reduced weight and showed increased whole-body bone mineral density compared to vehicle-injected mice...
November 7, 2017: Neuropeptides
https://www.readbyqxmd.com/read/29125862/peptidergic-control-in-a-fruit-crop-pest-the-spotted-wing-drosophila-drosophila-suzukii
#16
Caroline S Gough, Grace M Fairlamb, Petra Bell, Ronald J Nachman, Neil Audsley, R Elwyn Isaac
Neuropeptides play an important role in the regulation of feeding in insects and offer potential targets for the development of new chemicals to control insect pests. A pest that has attracted much recent attention is the highly invasive Drosophila suzukii, a polyphagous pest that can cause serious economic damage to soft fruits. Previously we showed by mass spectrometry the presence of the neuropeptide myosuppressin (TDVDHVFLRFamide) in the nerve bundle suggesting that this peptide is involved in regulating the function of the crop, which in adult dipteran insects has important roles in the processing of food, the storage of carbohydrates and the movement of food into the midgut for digestion...
2017: PloS One
https://www.readbyqxmd.com/read/29118105/neuropeptide-s-activates-paraventricular-oxytocin-neurons-to-induce-anxiolysis
#17
Thomas Grund, Stephanie Goyon, Yuting Li, Marina Eliava, Haikun Liu, Alexandre Charlet, Valery Grinevich, Inga D Neumann
Neuropeptides, such as neuropeptide S (NPS) and oxytocin (OXT) represent potential options for the treatment of anxiety disorders due to their potent anxiolytic profile. In this study, we aimed to reveal the mechanisms underlying the behavioral action of NPS, and present a chain of evidence that the effects of NPS within the hypothalamic paraventricular nucleus (PVN) are mediated via actions on local OXT neurons in male Wistar rats. First, retrograde studies identified NPS fibers originating in the brainstem locus coeruleus and projecting to the PVN...
November 8, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29112739/organophosphate-flame-retardants-alter-adult-mouse-homeostasis-and-gene-expression-in-a-sex-dependent-manner-potentially-through-interactions-with-er%C3%AE
#18
Elizabeth A Krumm, Vipa J Patel, Taylor S Tillery, Ali Yasrebi, Jianliang Shen, Grace L Guo, Stephanie M Marco, Brian T Buckley, Troy A Roepke
Flame retardants (FR) such as polybrominated diphenyl ethers (PBDE) and organophosphate FR (OPFR) persist in the environment and interact with multiple nuclear receptors involved in homeostasis, including estrogen receptors (ER). However, little is known about the effects of FR, especially OPFR, on mammalian neuroendocrine functions. Therefore, we investigated if exposure to FR alters hypothalamic gene expression and whole-animal physiology in adult wild-type (WT) and ERα KO mice. Intact WT and KO males and ovariectomized WT and KO females were orally dosed daily with vehicle (oil), 17α-ethynylestradiol (2...
November 3, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/29103295/human-mast-cells-release-the-migraine-inducing-factor-pituitary-adenylate-cyclase-activating-polypeptide-pacap
#19
Angela J Okragly, S Michelle Morin, David DeRosa, Andrea P Martin, Kirk W Johnson, Michael P Johnson, Robert J Benschop
Background Many patients with migraines suffer from allergies and vice versa, suggesting a relationship between biological mechanisms of allergy and migraine. It was proposed many years ago that mast cells may be involved in the pathophysiology of migraines. We set out to investigate the relationship between mast cell activation and known neurogenic peptides related to migraine. Methods Cultured human mast cells were assayed for the presence of neuropeptides and their receptors at the RNA and protein level...
January 1, 2017: Cephalalgia: An International Journal of Headache
https://www.readbyqxmd.com/read/29080684/chronic-social-stress-ameliorates-psoriasiform-dermatitis-through-upregulation-of-the-hypothalamic-pituitary-adrenal-axis
#20
Oscar Vegas, Brian Poligone, Paul Blackcloud, Elaine S Gilmore, JoAnne VanBuskirk, Christopher T Ritchlin, Alice P Pentland, Scott A Walter, Yasmine Nousari, Francisco Tausk
Acute stress is a physiological response of an organism to adverse conditions, contributing to survival; however, persistence through time may lead to disease. Indeed, exacerbation of inflammatory conditions such as psoriasis has been reported to follow stressors in susceptible patients. Because chronic stress cannot ethically be elicited in patients under controlled laboratory conditions, we studied genetically modified mice that naturally develop psoriasiform dermatitis, and subjected them to an ethological chronic social contact stress paradigm...
October 25, 2017: Brain, Behavior, and Immunity
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