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Olfactory Marker Protein

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https://www.readbyqxmd.com/read/27919008/phenotype-analysis-of-male-transgenic-mice-overexpressing-mutant-igfbp-2-lacking-the-cardin-weintraub-sequence-motif-reduced-expression-of-synaptic-markers-and-myelin-basic-protein-in-the-brain-and-a-lower-degree-of-anxiety-like-behaviour
#1
N Schindler, J Mayer, S Saenger, U Gimsa, C Walz, J Brenmoehl, D Ohde, E Wirthgen, A Tuchscherer, V C Russo, M Frank, T Kirschstein, F Metzger, A Hoeflich
Brain growth and function are regulated by insulin-like growth factors I and II (IGF-I and IGF-II) but also by IGF-binding proteins (IGFBPs), including IGFBP-2. In addition to modulating IGF activities, IGFBP-2 interacts with a number of components of the extracellular matrix and cell membrane via a Cardin-Weintraub sequence or heparin binding domain (HBD1). The nature and the signalling elicited by these interactions are not fully understood. Here, we examined transgenic mice (H1d-hBP2) overexpressing a mutant human IGFBP-2 that lacks a specific heparin binding domain (HBD1) known as the Cardin-Weintraub sequence...
November 16, 2016: Growth Hormone & IGF Research
https://www.readbyqxmd.com/read/27790096/intranasal-location-and-immunohistochemical-characterization-of-the-equine-olfactory-epithelium
#2
Alexandra Kupke, Sabine Wenisch, Klaus Failing, Christiane Herden
The olfactory epithelium (OE) is the only body site where neurons contact directly the environment and are therefore exposed to a broad variation of substances and insults. It can serve as portal of entry for neurotropic viruses which spread via the olfactory pathway to the central nervous system. For horses, it has been proposed and concluded mainly from rodent studies that different viruses, e.g., Borna disease virus, equine herpesvirus 1 (EHV-1), hendra virus, influenza virus, rabies virus, vesicular stomatitis virus can use this route...
2016: Frontiers in Neuroanatomy
https://www.readbyqxmd.com/read/27785336/type-3-adenylyl-cyclase-a-key-enzyme-mediating-the-camp-signaling-in-neuronal-cilia
#3
REVIEW
Liyan Qiu, Robert P LeBel, Daniel R Storm, Xuanmao Chen
Cilia are rigid, centriole-derived, microtubule-based organelles present in a majority of vertebrate cells including neurons. They are considered the cellular "antennae" attuned for detecting a range of extracellular signals including photons, odorants, morphogens, hormones and mechanical forces. The ciliary microenvironment is distinct from most actin-based subcellular structures such as microvilli or synapses. In the nervous system, there is no evidence that neuronal cilia process any synaptic structure. Apparently, the structural features of neuronal cilia do not allow them to harbor any synaptic connections...
2016: International Journal of Physiology, Pathophysiology and Pharmacology
https://www.readbyqxmd.com/read/27760167/genomic-regions-associated-with-feed-efficiency-indicator-traits-in-an-experimental-nellore-cattle-population
#4
Bianca Ferreira Olivieri, Maria Eugênia Zerlotti Mercadante, Joslaine Noely Dos Santos Gonçalves Cyrillo, Renata Helena Branco, Sarah Figueiredo Martins Bonilha, Lucia Galvão de Albuquerque, Rafael Medeiros de Oliveira Silva, Fernando Baldi
The objective of this study was to identify genomic regions and metabolic pathways associated with dry matter intake, average daily gain, feed efficiency and residual feed intake in an experimental Nellore cattle population. The high-density SNP chip (Illumina High-Density Bovine BeadChip, 777k) was used to genotype the animals. The SNP markers effects and their variances were estimated using the single-step genome wide association method. The (co)variance components were estimated by Bayesian inference. The chromosome segments that are responsible for more than 1...
2016: PloS One
https://www.readbyqxmd.com/read/27757835/effect-of-some-growth-factors-on-tissue-transglutaminase-overexpression-induced-by-%C3%AE-amyloid-in-olfactory-ensheathing-cells
#5
Rosalia Pellitteri, Roberta Bonfanti, Michela Spatuzza, Maria Teresa Cambria, Mariacristina Ferrara, Giuseppina Raciti, Agata Campisi
Herein, we assessed in a particular glial cell type, called olfactory ensheathing cells (OECs), the effect of some growth factors (GFs) on tissue transglutaminase (TG2) overexpression induced by amyloid-beta (Aβ) with native full-length peptide 1-42 or by fragments, 25-35 or 35-25, as control. Previously, we demonstrated that TG2 overexpression induced by some stressors was down-regulated by GFs exposure in OECs. To monitor cell viability, an MTT test was used, while TG2 expression was examined using immunocytochemical and Western blot analysis...
October 18, 2016: Molecular Neurobiology
https://www.readbyqxmd.com/read/27714890/chronic-odorant-exposure-upregulates-acquisition-of-functional-properties-in-cultured-embryonic-chick-olfactory-sensory-neurons
#6
Grace O'Neill, Christa Musto, George Gomez
Neuronal development and differentiation is modulated by activity-dependent mechanisms that stimulate endogenous neurogenesis and differentiation to promote adaptive survival of the organism. Studies on bird odor imprinting have shown how sensory stimuli or environmental influences can affect neonatal behavior, presumably by remodeling the developing nervous system. It is unclear whether these changes originate from the sensory neurons themselves or from the brain. Thus, we attempted to address this by using an in vitro system to separate the peripheral neurons from their central connections...
October 7, 2016: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/27696165/glial-markers-and-emotional-memory-in-rats-following-acute-cerebral-radiofrequency-exposures
#7
Amélie Barthélémy, Amandine Mouchard, Marc Bouji, Kelly Blazy, Renaud Puigsegur, Anne-Sophie Villégier
The widespread mobile phone use raises concerns on the possible cerebral effects of radiofrequency electromagnetic fields (RF EMF). Reactive astrogliosis was reported in neuroanatomical structures of adaptive behaviors after a single RF EMF exposure at high specific absorption rate (SAR, 6 W/kg). Here, we aimed to assess if neuronal injury and functional impairments were related to high SAR-induced astrogliosis. In addition, the level of beta amyloid 1-40 (Aβ 1-40) peptide was explored as a possible toxicity marker...
September 30, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27643531/accumulation-of-ubiquitin-and-sequestosome-1-implicate-protein-damage-in-diacetyl-induced-cytotoxicity
#8
Ann F Hubbs, Kara L Fluharty, Rebekah J Edwards, Jamie L Barnabei, John T Grantham, Scott M Palmer, Francine Kelly, Linda M Sargent, Steven H Reynolds, Robert R Mercer, Madhusudan P Goravanahally, Michael L Kashon, John C Honaker, Mark C Jackson, Amy M Cumpston, William T Goldsmith, Walter McKinney, Jeffrey S Fedan, Lori A Battelli, Tiffany Munro, Winnie Bucklew-Moyers, Kimberly McKinstry, Diane Schwegler-Berry, Sherri Friend, Alycia K Knepp, Samantha L Smith, Krishnan Sriram
Inhaled diacetyl vapors are associated with flavorings-related lung disease, a potentially fatal airway disease. The reactive α-dicarbonyl group in diacetyl causes protein damage in vitro. Dicarbonyl/l-xylulose reductase (DCXR) metabolizes diacetyl into acetoin, which lacks this α-dicarbonyl group. To investigate the hypothesis that flavorings-related lung disease is caused by in vivo protein damage, we correlated diacetyl-induced airway damage in mice with immunofluorescence for markers of protein turnover and autophagy...
September 16, 2016: American Journal of Pathology
https://www.readbyqxmd.com/read/27510271/magnolol-enhances-hippocampal-neurogenesis-and-exerts-antidepressant-like-effects-in-olfactory-bulbectomized-mice
#9
Nobuaki Matsui, Haruka Akae, Nana Hirashima, Yuki Kido, Satoshi Tanabe, Mayumi Koseki, Yoshiyasu Fukuyama, Masaaki Akagi
Magnolol is the main constituent of Magnolia bark and has been reported to exhibit antidepressant effects in rodent models. Hippocampal neurogenesis and neurotrophins such as brain-derived neurotrophic factor are integrally involved in the action of conventional antidepressants. Here, we investigated the effects of magnolol on depressive behaviours, impaired hippocampal neurogenesis and neurotrophin-related signal transduction in an olfactory bulbectomy (OBX) mouse model of depression. Mice were submitted to OBX to induce depressive behaviour, which was evaluated in the tail suspension test...
August 11, 2016: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/27384112/proteome-analysis-of-the-hemolymph-mushroom-body-and-antenna-provides-novel-insight-into-honeybee-resistance-against-varroa-infestation
#10
Han Hu, Kaspar Bienefeld, Jakob Wegener, Fred Zautke, Yue Hao, Mao Feng, Bin Han, Yu Fang, Abebe Jenberie Wubie, Jianke Li
Varroa destructor has been identified as a major culprit responsible for the losses of millions of honeybee colonies. Varroa sensitive hygiene (VSH) is a suite of behaviors from adult bees to suppress mite reproduction by uncapping and/or removing mite infested pupae from a sealed brood. Despite the efforts to elucidate the molecular underpinnings of VSH, they remain largely unknown. We investigated the proteome of mushroom bodies (MBs) and antennae of adult bees with and without VSH from a stock selected for VSH based on their response to artificially Varroa-infected brood cells by near-infrared camera observation...
August 5, 2016: Journal of Proteome Research
https://www.readbyqxmd.com/read/27344443/initial-characterization-of-a-syap1-knock-out-mouse-and-distribution-of-syap1-in-mouse-brain-and-cultured-motoneurons
#11
Dominique Schmitt, Natalia Funk, Robert Blum, Esther Asan, Lill Andersen, Thomas Rülicke, Michael Sendtner, Erich Buchner
Synapse-associated protein 1 (Syap1/BSTA) is the mammalian homologue of Sap47 (synapse-associated protein of 47 kDa) in Drosophila. Sap47 null mutant larvae show reduced short-term synaptic plasticity and a defect in associative behavioral plasticity. In cultured adipocytes, Syap1 functions as part of a complex that phosphorylates protein kinase Bα/Akt1 (Akt1) at Ser(473) and promotes differentiation. The role of Syap1 in the vertebrate nervous system is unknown. Here, we generated a Syap1 knock-out mouse and show that lack of Syap1 is compatible with viability and fertility...
October 2016: Histochemistry and Cell Biology
https://www.readbyqxmd.com/read/27314332/voltage-activated-calcium-channels-as-functional-markers-of-mature-neurons-in-human-olfactory-neuroepithelial-cells-implications-for-the-study-of-neurodevelopment-in-neuropsychiatric-disorders
#12
Héctor Solís-Chagoyán, Edgar Flores-Soto, Jorge Reyes-García, Marcela Valdés-Tovar, Eduardo Calixto, Luis M Montaño, Gloria Benítez-King
In adulthood, differentiation of precursor cells into neurons continues in several brain structures as well as in the olfactory neuroepithelium. Isolated precursors allow the study of the neurodevelopmental process in vitro. The aim of this work was to determine whether the expression of functional Voltage-Activated Ca(2+) Channels (VACC) is dependent on the neurodevelopmental stage in neuronal cells obtained from the human olfactory epithelium of a single healthy donor. The presence of channel-forming proteins in Olfactory Sensory Neurons (OSN) was demonstrated by immunofluorescent labeling, and VACC functioning was assessed by microfluorometry and the patch-clamp technique...
2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27303258/neurogenesis-neurodegeneration-interneuron-vulnerability-and-amyloid-%C3%AE-in-the-olfactory-bulb-of-app-ps1-mouse-model-of-alzheimer-s-disease
#13
Carlos De la Rosa-Prieto, Daniel Saiz-Sanchez, Isabel Ubeda-Banon, Alicia Flores-Cuadrado, Alino Martinez-Marcos
Alzheimer's disease (AD) is the most prevalent neurodegenerative disease, mostly idiopathic and with palliative treatment. Neuropathologically, it is characterized by intracellular neurofibrillary tangles of tau protein and extracellular plaques of amyloid β peptides. The relationship between AD and neurogenesis is unknown, but two facts are particularly relevant. First, early aggregation sites of both proteinopathies include the hippocampal formation and the olfactory bulb (OB), which have been correlated to memory and olfactory deficits, respectively...
2016: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/27297522/tumor-necrosis-factor-%C3%AE-antagonist-suppresses-local-inflammatory-reaction-and-facilitates-olfactory-nerve-recovery-following-injury
#14
Mohammed Omar Al Salihi, Masayoshi Kobayashi, Kengo Tamari, Tomotaka Miyamura, Kazuhiko Takeuchi
OBJECTIVE: Olfactory dysfunction is a common finding in head trauma due to injury to the olfactory nerve. We previously reported that anti-inflammatory treatment with steroids improves recovery outcome in olfactory nerve injury models. Clinically, however, steroid administration is not recommended in the acute phase of head injury cases because of concerns regarding its side effects. Tumor necrosis factor (TNF-α) is known to play a key role in inflammatory response to injury. The present study examines if the inhibition of TNF-α can facilitate functional recovery in the olfactory system following injury...
June 10, 2016: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/27277804/olfactory-ensheathing-cell-transplantation-after-a-complete-spinal-cord-transection-mediates-neuroprotective-and-immunomodulatory-mechanisms-to-facilitate-regeneration
#15
Rana R Khankan, Khris G Griffis, James R Haggerty-Skeans, Hui Zhong, Roland R Roy, V Reggie Edgerton, Patricia E Phelps
UNLABELLED: Multiple neural and peripheral cell types rapidly respond to tissue damage after spinal cord injury to form a structurally and chemically inhibitory scar that limits axon regeneration. Astrocytes form an astroglial scar and produce chondroitin sulfate proteoglycans (CSPGs), activate microglia, and recruit blood-derived immune cells to the lesion for debris removal. One beneficial therapy, olfactory ensheathing cell (OEC) transplantation, results in functional improvements and promotes axon regeneration after spinal cord injury...
June 8, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27233915/histological-and-lectin-histochemical-studies-of-the-vomeronasal-organ-of-horses
#16
Kwang-Hyup Lee, Changnam Park, Jeongtae Kim, Changjong Moon, Meejung Ahn, Taekyun Shin
The morphological characteristics and glycoconjugate composition of the vomeronasal organ (VNO) of the horse was investigated using histological, immunohistochemical, and lectin histochemical methods. The VNO is bilaterally located at the base of the nasal septum, has a tubular structure surrounded by cartilage, and consists of sensory and non-sensory epithelia. Immunohistochemical examination showed that the vomeronasal sensory epithelium (VSE) consisted of receptor cells positive for both olfactory marker protein (OMP) and protein gene product 9...
August 2016: Tissue & Cell
https://www.readbyqxmd.com/read/27093619/chromatin-modulatory-proteins-and-olfactory-receptor-signaling-in-the-refinement-and-maintenance-of-fruitless-expression-in-olfactory-receptor-neurons
#17
Catherine E Hueston, Douglas Olsen, Qingyun Li, Sumie Okuwa, Bo Peng, Jianni Wu, Pelin Cayirlioglu Volkan
During development, sensory neurons must choose identities that allow them to detect specific signals and connect with appropriate target neurons. Ultimately, these sensory neurons will successfully integrate into appropriate neural circuits to generate defined motor outputs, or behavior. This integration requires a developmental coordination between the identity of the neuron and the identity of the circuit. The mechanisms that underlie this coordination are currently unknown. Here, we describe two modes of regulation that coordinate the sensory identities of Drosophila melanogaster olfactory receptor neurons (ORNs) involved in sex-specific behaviors with the sex-specific behavioral circuit identity marker fruitless (fru)...
April 2016: PLoS Biology
https://www.readbyqxmd.com/read/27085688/distribution-of-olfactory-marker-protein-in-the-rat-vomeronasal-organ
#18
A Rodewald, D Gisder, V M Gebhart, H Oehring, G F Jirikowski
Olfactory marker protein (OMP) may act as a modulator within the olfactory signal-transduction cascade. It has also been shown to have some importance in development of olfactory sensory organs. Here we used high resolution immunocytochemistry to localize OMP in the rat vomeronasal organ (VNO). Immunofluorescence for OMP was abundant in cilia and in apical dendrites of sensory cells, mostly associated with intraepithelial capillaries. Perikarya were stained to a lesser extent while intense OMP immunoreactivity was seen in axons of sensory neurons...
April 13, 2016: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/27069253/olfactory-organ-of-octopus-vulgaris-morphology-plasticity-turnover-and-sensory-characterization
#19
Gianluca Polese, Carla Bertapelle, Anna Di Cosmo
The cephalopod olfactory organ was described for the first time in 1844 by von Kölliker, who was attracted to the pair of small pits of ciliated cells on each side of the head, below the eyes close to the mantle edge, in both octopuses and squids. Several functional studies have been conducted on decapods but very little is known about octopods. The morphology of the octopus olfactory system has been studied, but only to a limited extent on post-hatching specimens, and the only paper on adult octopus gives a minimal description of the olfactory organ...
2016: Biology Open
https://www.readbyqxmd.com/read/27040092/histochemical-study-of-the-olfactory-mucosae-of-the-horse
#20
Kwang-Hyup Lee, Changnam Park, Hyojin Bang, Meejung Ahn, Changjong Moon, Seungjoon Kim, Taekyun Shin
The olfactory mucosae of the horse were examined by using histology and lectin histochemistry to characterize the carbohydrate sugar residues therein. Histological findings revealed that olfactory epithelium (OE) consisted of both olfactory marker protein (OMP)- and protein gene product (PGP) 9.5-positive receptor cells, supporting cells and basal cells with intervening secretory ducts from Bowman's glands. Mucus histochemistry showed that Bowman's gland acini contain periodic acid-Schiff (PAS) reagent-positive neutral mucins and alcian blue pH 2...
March 31, 2016: Acta Histochemica
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