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https://www.readbyqxmd.com/read/29352501/predictors-of-beef-calf-temperament-at-weaning-and-its-impact-on-temperament-at-breeding-and-reproductive-performance
#1
V R Kasimanickam, R L Abdel Aziz, H M Williams, R K Kasimanickam
Two experiments were conducted to determine (i) factors influencing calf temperament at weaning, (ii) association between heifer-calf temperament at weaning and temperament at breeding and (iii) effect of heifer-calf temperament on pregnancy rate per artificial insemination (P/AI). In experiment 1, beef cows and their calves (n = 285) from three farms were used. Sire docility estimated progeny difference (EPD) score, birth type (normal or assisted), calf gender, calf behaviour (during 1st 4 weeks) and calf health status (until weaning) were recorded...
January 19, 2018: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/29351450/cardiac-vanilloid-receptor-1-afferent-depletion-enhances-stellate-ganglion-neuronal-activity-and-efferent-sympathetic-response-to-cardiac-stress
#2
Koji Yoshie, Pradeep S Rajendran, Louis Massoud, OhJin Kwon, Vasudev Tadimeti, Siamak Salavatian, Jeffrey Laurence Ardell, Kalyanam Shivkumar, Olujimi A Ajijola
Afferent fibers expressing the vanilloid receptor 1 (VR1) channel are implicated in cardiac nociception, however, their role in modulating reflex responses to cardiac stress is not well-understood. We evaluated this role in Yorkshire pigs by percutaneous epicardial application of resiniferatoxin (RTX), a toxic activator of the VR1 channel, resulting in depletion of cardiac VR1-expressing afferents. Hemodynamics, epicardial activation recovery intervals (ARIs), and in vivo activity of stellate ganglion (SG) neurons (SGNs) were recorded in control and RTX-treated animals...
January 16, 2018: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29345372/truncation-of-neurokinin-1-receptor-negative-regulation-of-substance-p-signaling
#3
REVIEW
Sergei Spitsin, Vasiliki Pappa, Steven D Douglas
Substance P (SP) is a tachykinin peptide, which triggers intracellular signaling in the nervous and immune systems, as well as, other local and systemic events. The interaction between SP and its receptor, neurokinin-1 receptor (NK1R), results in major downstream cellular actions, which include changes in calcium fluxes, ERK, and p21-activated kinase phosphorylation and NFκB activation. Two naturally occurring variants of the NK1R, the full-length, 407 aa receptor (NK1R-F) and the truncated, 311 aa isoform (NK1R-T), mediate the actions of SP...
January 10, 2018: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/29343664/the-anti-inflammatory-action-of-maropitant-in-a-mouse-model-of-acute-pancreatitis
#4
Atsushi Tsukamoto, Minami Ohgoda, Nozomi Haruki, Masatoshi Hori, Tomo Inomata
The neurokinin 1 receptor (NK1R) plays an important role in the pathogenesis of acute pancreatitis (AP). Maropitant is an NK1R antagonist that is widely used as an antiemetic in dogs and cats. In the present study, we investigated the anti-inflammatory action of maropitant in a mouse model of AP. AP was induced in BALB/c mice by intraperitoneal administration of cerulein, and maropitant was administered subcutaneously at a dose of 8 mg/kg. We assessed the mRNA expression levels of NK1R and substance P (SP) in the pancreatic tissue via real-time reverse transcription polymerase chain reaction...
January 16, 2018: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/29333632/binding-of-cu-and-cu2-with-peptides-peptides-oxytocin-arg8-vasopressin-bradykinin-angiotensin-i-substance-p-somatostatin-and-neurotensin
#5
Thankan Jayasekharan, Shyam L Gupta, Vikas Dhiman
The intrinsic binding ability of seven natural peptides (oxytocin, arg8 -vasopressin, bradykinin, angiotensin-I, substance-P, somatostatin, and neurotensin) with copper in two different oxidation states (CuI/II ) derived from different Cu+/2+ precursor sources have been investigated for their charge dependent binding characteristics. The peptide-CuI/II complexes, [M - (n-1)H + nCuI ] and [M - (2n-1)H + nCuII ] are prepared/generated by the reaction of peptides with CuI solution/Cu-target and CuSO4 solution, and are analyzed using matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOFMS)...
January 15, 2018: Journal of Mass Spectrometry: JMS
https://www.readbyqxmd.com/read/29331576/normative-distribution-of-substance-p-and-its-tachykinin-neurokinin-1-receptor-in-the-medullary-serotonergic-network-of-the-human-infant-during-postnatal-development
#6
Fiona M Bright, Roger W Byard, Robert Vink, David S Paterson
Substance P (SP) and its tachykinin NK1 receptor (NK1R) function within key medullary nuclei to regulate cardiorespiratory and autonomic control. We examined the normative distribution of SP and NK1R in the serotonergic (5-Hydroxytryptamine, [5-HT]) network of the human infant medulla during postnatal development, to provide a baseline to facilitate future analysis of the SP/NK1R system and its interaction with 5-HT within pediatric brainstem disorders in early life. [125I] labelled Bolton Hunter SP (BH-SP) tissue receptor autoradiography (n = 15), single label immunohistochemistry (IHC) and double label immunofluorescence (IF) (n = 10) were used to characterize the normative distribution profile of SP and NK1R in the 5-HT network of the human infant medulla during postnatal development...
January 10, 2018: Brain Research Bulletin
https://www.readbyqxmd.com/read/29328505/substance-p-as-a-putative-efferent-transmitter-mediates-gabaergic-inhibition-in-mouse-taste-buds
#7
Anthony Y Huang, Sandy Y Wu
BACKGROUND AND PURPOSE: Capsaicin-mediated modulation on taste nerve responses is thought to be produced indirectly by actions of neuropeptides, e.g., calcitonin gene-related peptide (CGRP) and substance P (SP), onto taste cells implying playing a role in taste sensitivity. During processing gustatory information in taste buds, CGRP shapes peripheral taste signals via serotonergic signaling. The underlying assumption has been that SP exerts its effects on taste transmitter secretion in taste buds of mice...
January 12, 2018: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29327363/pretreatment-with-substance-p-alleviates-irritation-due-to-sodium-lauryl-sulphate-exposure-by-maintaining-e-cadherin-expression-on-human-keratinocytes
#8
H W Choi, H J Ahn, M K Shin, Y S Son, K S Kim
No abstract text is available yet for this article.
January 12, 2018: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/29318457/decreased-intracellular-granule-movement-and-glucagon-secretion-in-pancreatic-%C3%AE-cells-attached-to-superior-cervical-ganglion-neurites
#9
Kiyoto Watabe, Satoru Yokawa, Yoshikazu Inoh, Takahiro Suzuki, Tadahide Furuno
Autonomic neurons innervate pancreatic islets of Langerhans and participate in the maintenance of blood glucose concentrations by controlling hormone levels through attachment with islet cells. We previously found that stimulated superior cervical ganglia (SCG) could induce Ca2+ oscillation in α cells via neuropeptide substance P using an in vitro co-culture model. In this study, we studied the effect of SCG neurite adhesion on intracellular secretory granule movement and glucagon secretion in α cells stimulated by low glucose concentration...
January 9, 2018: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/29317264/the-genetics-of-chronic-itch-gene-expression-in-the-skin-of-atopic-dermatitis-and-psoriasis-patients-with-severe-itch
#10
Leigh A Nattkemper, Hong Liang Tey, Rodrigo Valdes-Rodriguez, Helen Lee, Nicholas K Mollanazar, Christian Albornoz, Kristen M Sanders, Gil Yosipovitch
To identify itch-related mediators and receptors that are differentially expressed in pruritic skin, we used RNA sequencing to analyze the complete transcriptome in skin from paired itchy, lesional and non-itchy, non-lesional skin biopsies from 25 atopic dermatitis (AD) and 25 psoriasis patients and site-matched biopsies from 30 healthy controls. This analysis identified 18,000 differentially expressed genes common between itchy atopic and psoriatic skin compared to healthy skin. Of those, almost 2,000 genes were differentially expressed between itchy and non-itchy skin in atopic and psoriatic subjects...
January 6, 2018: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/29303777/evaluation-of-serum-beta-endorphin-and-substance-p-in-knee-osteoarthritis-patients-treated-by-laser-acupuncture
#11
Nagwa Mohammed, Hemat Allam, Eman Elghoroury, Emad N Zikri, Ghada A Helmy, Aliaa Elgendy
Background Laser acupuncture is one of the complementary modalities used for treating osteoarthritis. The study was performed to evaluate the effectiveness of laser acupuncture in the treatment of grade 2 knee osteoarthritis. Patients and methods Forty patients having bilateral knee osteoarthritis were divided into two groups (20 patients in each group). The patients of the first group were subjected to 12 laser sessions at the following acupoints (St 35, St36, Sp9, Sp10 and Gb 34). During each session, laser of 90 mw was directed to each acupoint for 1 min giving energy of 5...
January 5, 2018: Journal of Complementary & Integrative Medicine
https://www.readbyqxmd.com/read/29303602/melatonin-attenuates-chronic-cough-mediated-by-oxidative-stress-via-transient-receptor-potential-melastatin-2-in-guinea-pigs-exposed-to-particulate-matter-2-5
#12
Zhenjun Ji, Zhen Wang, Zhe Chen, Hao Jin, Chen Chen, Senlin Chai, Haining Lv, Ling Yang, Yakun Hu, Rong Dong, Kefang Lai
The aim of this study was to investigate the effects of melatonin on oxidative stress, the expression of transient receptor potential melastatin-2 (TRPM2) in guinea pig brains, and the influence of melatonin on oxidative stress in lungs and airway inflammation induced by particulate matter 2.5 (PM2.5). A particle suspension (0.1 g/ml) was nasally administered to the guinea pigs to prepare a PM2.5 exposure model. Cough frequency and cough incubation period were determined through RM6240B biological signal collection and disposal system...
January 5, 2018: Physiological Research
https://www.readbyqxmd.com/read/29297566/immunohistochemical-characteristics-of-neurons-in-the-ganglia-of-the-greater-splanchnic-nerve-of-the-pig
#13
Jamal Nourinezhad, Piotr Podlasz, Krzysztof Wasowicz
INTRODUCTION: Greater splanchnic nerve (GSN) is by far the largest of the splanchnic nerves and connects the paravertebral and prevertebral ganglia to transmit the majority of nociceptive information from the viscera. Despite its importance, the immunohistochemical features of the porcine GSN neurons have not yet been examined. Therefore, the aim of the study was to investigate the neurochemistry of the porcine GSN neurons and to compare their neurochemical coding with those of the paravertebral and prevertebral ganglia...
January 3, 2018: Folia Histochemica et Cytobiologica
https://www.readbyqxmd.com/read/29288742/the-research-of-the-possible-mechanism-and-the-treatment-for-capsaicin-induced-cough
#14
Li Zhang, Tieying Sun, Longteng Liu, Lifang Wang
Unexplained chronic cough (UCC) affects millions of patients worldwide. New therapeutic approaches to this condition are urgently needed, since current treatment options provide only symptomatic relief. Cough reflex hypersensitivity has been shown to play an important role in the pathogenesis of UCC. The transient receptor potential vanilloid type 1 (TRPV1) is present on peripheral terminals of airway sensory nerves and modulation of its activity represents a potential target for the pharmacological treatment of UCC...
December 27, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29287151/effects-of-stacked-wedge-pads-and-chains-applied-to-the-forefeet-of-tennessee-walking-horses-for-a-five-day-period-on-behavioral-and-biochemical-indicators-of-pain-stress-and-inflammation
#15
James B Everett, Jim Schumacher, Thomas J Doherty, Randi A Black, Lisa L Amelse, Peter Krawzel, Johann F Coetzee, Brian K Whitlock
OBJECTIVE To determine the effects of stacked wedge pads and chains applied to the forefeet of Tennessee Walking Horses on behavioral and biochemical indicators of pain, stress, and inflamation. ANIMALS 20 Tennessee Walking Horses. PROCEDURES Horses were randomly assigned to 2 treatment groups: keg shoes (control; n = 10) or stacked wedge pads and exercise with chains (10). Ten days before treatment application, an accelerometer was attached at the left metatarsus of each horse to record daily activity. Horses were exercised for 20 minutes daily, beginning on day -7...
January 2018: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/29285027/comparison-of-the-level-of-substance-p-and-neurokinin-a-in-gingival-crevicular-fluid-of-sound-and-symptomatic-carious-primary-teeth-by-elisa
#16
Alireza Heidari, Mehdi Shahrabi, Marzieh Salehi Shahrabi, Mehdi Ghandehari, Pegah Rahbar
Objectives: Pulpal inflammation is often associated with odontogenic pain. Dental pulp is abundantly innervated with sensory fibers encompassing neuropeptides. Neurokinin A (NKA) and substance P (SP) are important neuropeptides in the dental pulp that can cause neurogenic inflammation. Since no previous study has assessed dental pulp neuropeptides in children, this study aimed to compare the level of NKA and SP in gingival crevicular fluid (GCF) of sound and symptomatic carious primary teeth...
July 2017: Journal of Dentistry of Tehran University of Medical Sciences
https://www.readbyqxmd.com/read/29281692/substance-p-signalling-in-primary-motor-cortex-facilitates-motor-learning-in-rats
#17
Benjamin Hertler, Jonas Aurel Hosp, Manuel Buitrago Blanco, Andreas Rüdiger Luft
Among the genes that are up-regulated in response to a reaching training in rats, Tachykinin 1 (Tac1)-a gene that encodes the neuropeptide Substance P (Sub P)-shows an especially strong expression. Using Real-Time RT-PCR, a detailed time-course of Tac1 expression could be defined: a significant peak occurs 7 hours after training ended at the first and second training session, whereas no up-regulation could be detected at a later time-point (sixth training session). To assess the physiological role of Sub P during movement acquisition, microinjections into the primary motor cortex (M1) contralateral to the trained paw were performed...
2017: PloS One
https://www.readbyqxmd.com/read/29280518/a-new-tool-to-test-active-ingredient-using-acid-lactic-in-vitro-a-help-to-understand-cellular-mechanism-involved-in-stinging-test-an-example-using-a-bacterial-polysaccharide-fucogel%C3%A2
#18
Mehdi Sakka, Raphael Leschiera, Christelle Le Gall, Olivier Gouin, Killian L'herondelle, Paul Buscaglia, Olivier Mignen, Jean-Luc Philbé, Thibaut Saguet, Jean-Luc Carré, Laurent Misery, Nicolas Lebonvallet
The stinging test is an in vivo protocol that evaluates sensitive skin using lactic acid (LA). A soothing sensation of cosmetics or ingredients can be also appreciated through a decrease of stinging score. To predict the soothing sensation of a product before in vivo testing, we developed a model based on an LA test and substance P (SP) release using a co-culture of human keratinocytes and NGF-differentiated PC12 cells. A bacterial fucose-rich polysaccharide present in Fucogel® was evaluated as the soothing molecule in the in vivo stinging test and our in vitro model...
December 27, 2017: Experimental Dermatology
https://www.readbyqxmd.com/read/29273062/enhanced-expressions-of-neurodegeneration-associated-factors-ups-impairment-and-excess-a%C3%AE-accumulation-in-the-hippocampus-of-mice-with-persistent-cerebral-toxocariasis
#19
Chia-Mei Chou, Yueh-Lun Lee, Chien-Wei Liao, Ying-Chieh Huang, Chia-Kwung Fan
BACKGROUND: Toxocariasis is a worldwide zoonotic parasitic disease mainly caused by Toxocara canis. Humans can be infected by accidental ingestion of T. canis embryonated ovum-contaminated food, water, or encapsulated larvae in paratenic hosts' viscera or meat. Since humans and mice are paratenic hosts of T. canis, the wandering larvae might cause mechanical tissue damage and excretory-secretory antigens may trigger inflammatory injuries to local organs. Long-term residence of T. canis larvae in a paratenic host's brain may cause cerebral toxocariasis (CT) that contributes to cerebral damage, neuroinflammation and neuropsychiatric disorders in mice and clinical patients...
December 22, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/29244245/substance-p-in-dorsal-root-ganglion-neurons-in-young-and-adult-rats-after-nociceptive-stimulation-during-the-neonatal-period
#20
Ana Leda Bertoncini Simões, Greice Anne Rodrigues Silva, Carolina Giorgetto, Elisabete de Cassia do Carmo-Campos, Fernando José Dias, Valéria Paula Sassoli Fazan
The nervous system is highly plastic during the neonatal period, being sensitive to noxious stimuli, which may cause short- and long-term pain responsivity changes. Understanding plasticity in peripheral pain pathways is crucial, particularly when the nervous system is still under development and remodeling process. Substance P (SP) is widely used as a marker for peripheral neurons with unmyelinated and small myelinated fibers. We investigated the number of SP immunoreactive neurons in the dorsal root ganglion (DRG) of male and female Wistar rats, 15 and 180 days after nociceptive stimulation during the neonatal period...
December 15, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
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