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https://www.readbyqxmd.com/read/28525332/distribution-and-immunohistochemical-characteristics-of-cocaine-and-amphetamineregulated-transcript-positive-nerve-elements-in-the-pelvic-ganglia-of-the-female-pig
#1
A Zacharko-Siembida, M Matysek, R Szalak, A Radlińska, K Obszańska, M B Arciszewski
Cocaine- and amphetamine-regulated transcript (CART) peptides are widely expressed not only in the brain but also in numerous endocrine/neuroendocrine cells as well as in neurons of the peripheral nervous system. The present study investigated the distribution patterns of CART-like immunoreactivity in the pelvic plexus (PP) of the female pig. The co-expression of CART with principal neurotransmitter markers: choline acetyltransferase (ChAT), tyrosine hydroxylase (TH), serotonin (5-HT) or biologically active neuropeptides: pituitary adenylate cyclase-activating polypeptide (PACAP), substance P (SP), calbindin was analyzed using double immunohistochemical stainings...
March 28, 2017: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28501575/the-anti-asthmatic-drug-pranlukast-suppresses-the-delayed-phase-vomiting-and-reverses-intracellular-indices-of-emesis-evoked-by-cisplatin-in-the-least-shrew-cryptotis-parva
#2
Nissar A Darmani, Seetha Chebolu, Weixia Zhong, William D Kim, Matthew Narlesky, Joia Adams, Fanglong Dong
The introduction of second generation serotonin 5-HT3 receptor (5-HT3) antagonist palonosetron combined with long-acting substance P neurokinin NK1 receptor (NK1) antagonists (e.g. netupitant) has substantially improved antiemetic therapy against early- and delayed-phases of emesis caused by highly emetogenic chemotherapeutics such as cisplatin. However, the improved efficacy comes at a cost that many patients cannot afford. We introduce a new class of antiemetic, the antiasthmatic leukotriene CysLT1 receptor antagonist pranlukast for the suppression of cisplatin-evoked vomiting...
May 10, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28500728/immunolocalization-of-substance-p-and-nk-1-receptor-in-adipose-stem-cells
#3
Miguel Muñoz, Mario F Muñoz, Antonio Ayala
Substance P (SP) is a neuropeptide belonging to the thachykinin peptide family. SP, after binding to its receptor, the neurokinin 1 receptor (NK1R), controls several transcription factors such as NF-κB, hypoxia inducible factor (HIF-1α), c-myc, c-fos, c-jun and AP-1. SP and NK1R have a widespread distribution in both the central and peripheral nervous systems. They are also present in cells not belonging to the nervous system (immune cells, placenta, etc.). SP is located in all body fluids, i.e., blood, cerebrospinal fluid, etc...
May 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28497393/effect-of-miscanthus-sinensis-var-purpurascens-flower-extract-on-proliferation-and-molecular-regulation-in-human-dermal-papilla-cells-and-stressed-c57bl-6-mice
#4
GiHee Jeong, William A Boisvert, Mei-Zhu Xi, Yi-Lin Zhang, Young-Bin Choi, Sunghun Cho, Sanghyun Lee, Changsun Choi, Bog-Hieu Lee
OBJECTIVES: To investigate the hair growth-promoting effect of Miscanthus sinensis var. purpurascens (MSP) flower extracton on in vitro and in vivo models. METHODS: MSP flower extract was extracted in 99.9% methanol and applied to examine the proliferation of human dermal papilla cells (hDPCs) in vitro at the dose of 3.92-62.50 μg/mL and hair growth of C57BL/6 mice in vivo at the dose of 1000 μg/mL. The expression of transforming growth factor β1 (TGF-β1), hepatocyte growth factor (HGF), β-catenin, substance P was measured by relative quantitative realtime polymerase chain reaction...
May 11, 2017: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/28494183/resolution-of-cannabis-hyperemesis-syndrome-with-topical-capsaicin-in-the-emergency-department-a-case-series
#5
Laurel Dezieck, Zachary Hafez, Albert Conicella, Eike Blohm, Mark J O'Connor, Evan S Schwarz, Michael E Mullins
BACKGROUND: Cannabinoid hyperemesis syndrome (CHS) is characterized by symptoms of cyclic abdominal pain, nausea, and vomiting in the setting of prolonged cannabis use. The transient receptor potential vanilloid 1 (TRPV1) receptor may be involved in this syndrome. Topical capsaicin is a proposed treatment for CHS; it binds TRPV1 with high specificity, impairing substance P signaling in the area postrema and nucleus tractus solitarius via overstimulation of TRPV1. This may explain its apparent antiemetic effect in this syndrome...
May 11, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28494104/prevalence-of-metabolic-syndrome-and-its-association-with-lifestyle-and-cardiovascular-biomarkers-among-postmenopausal-women-in-western-algeria
#6
Ali Khalfa, Amina Tiali, Lakhdar Zemour, Azzedine Fatah, Khedidja Mekki
OBJECTIVE: To evaluate the prevalence of metabolic syndrome (MetS), its components, and their relationship with lifestyle, inflammation, and oxidative stress among postmenopausal Algerian women. METHODS: A prospective cross-sectional survey was conducted among postmenopausal women at a clinic in Oran, Algeria, from March 1 to June 28, 2015. A diagnosis of MetS was made using the National Cholesterol Education Program Adult Treatment Panel III guidelines. Demographic, clinical, metabolic, inflammatory, dietary, and energy variables were assessed...
May 11, 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28493529/pain-in-knee-osteoarthritis-is-associated-with-variation-in-the-neurokinin-1-substance-p-receptor-tacr1-gene
#7
S C Warner, D A Walsh, L L Laslett, R A Maciewicz, A Soni, D J Hart, W Zhang, K R Muir, E M Dennison, P Leaverton, E Rampersaud, C Cooper, T D Spector, F M Cicuttini, N K Arden, G Jones, M Doherty, A M Valdes
BACKGROUND: Substance P (SP) is a pain- and inflammation-related neuropeptide which preferentially binds to the neurokinin receptor 1 (NK1 ). SP and NK1 receptors have been implicated in joint pain, inflammation and damage in animal models and human studies of osteoarthritis (OA). The aim of this study was to test if genetic variation at the neurokinin 1 receptor gene (TACR1) is associated with pain in individuals with radiographic knee OA. METHODS: Participants from the Genetics of OA and Lifestyle study were used for the discovery group (n = 1615)...
May 11, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/28488367/chemosensitive-phox2b-expressing-neurons-are-crucial-for-hypercapnic-ventilatory-response-in-the-nucleus-tractus-solitarius
#8
Congrui Fu, Jinyu Xue, Ri Wang, Jinting Chen, Lan Ma, Yixian Liu, Xuejiao Wang, Fang Guo, Yi Zhang, Xiangjian Zhang, Sheng Wang
The nucleus tractus solitarius (NTS) neurons have been thought to function as central respiratory chemoreceptors. However, it remains unknown regarding the common molecular marker defined for these neurons. Here we ask whether paired-like homeobox 2b (Phox2b)-expressing NTS neurons are recruited in hypercapnic ventilatory response (HCVR) and whether these neurons exhibit intrinsic chemosensitivity. HCVR was assessed using whole body plethysmography and neuronal chemosensitivity was examined by patch clamp recordings in brainstem slices or dissociated neurons from Phox2b-EGFP transgenic mice...
May 10, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28485773/curcumin-alleviates-lumbar-radiculopathy-by-reducing-neuroinflammation-oxidative-stress-and-nociceptive-factors
#9
L Xiao, M Ding, A Fernandez, P Zhao, L Jin, X Li
Current non-surgical treatments for lumbar radiculopathy [e.g. epidural steroids and Tumour necrosis factor-α (TNF-α) antagonists] are neither effective nor safe. As a non-toxic natural product, curcumin possesses an exceptional anti-inflammatory profile. We hypothesised that curcumin alleviates lumbar radiculopathy by attenuating neuroinflammation, oxidative stress and nociceptive factors. In a dorsal root ganglion (DRG) culture, curcumin effectively inhibited TNF-α-induced neuroinflammation, in a dose-dependent manner, as shown by mRNA and protein expression of IL-6 and COX-2...
May 9, 2017: European Cells & Materials
https://www.readbyqxmd.com/read/28485408/genetic-and-pharmacological-antagonism-of-nk1-receptor-prevents-opiate-abuse-potential
#10
A J Sandweiss, M I McIntosh, A Moutal, R Davidson-Knapp, J Hu, A K Giri, T Yamamoto, V J Hruby, R Khanna, T M Largent-Milnes, T W Vanderah
Development of an efficacious, non-addicting analgesic has been challenging. Discovery of novel mechanisms underlying addiction may present a solution. Here we target the neurokinin system, which is involved in both pain and addiction. Morphine exerts its rewarding actions, at least in part, by inhibiting GABAergic input onto substance P (SP) neurons in the ventral tegmental area (VTA), subsequently increasing SP release onto dopaminergic neurons. Genome editing of the neurokinin 1 receptor (NK1R) in the VTA renders morphine non-rewarding...
May 9, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28483314/cardiovascular-and-diabetic-medications-that-cause-bradykinin-mediated-angioedema
#11
Stephanie N Hudey, Emma Westermann-Clark, Richard F Lockey
Medication-induced angioedema is a bradykinin-mediated process that results from increased production or decreased degradation of bradykinin. These reactions are documented for several cardiac medications including blockers of the renin-angiotensin-aldosterone system (RAAS). Other cardiovascular and diabetes medications further increase the risk of medication-induced angioedema, particularly with concomitant use of RAAS inhibitors. Dipeptidyl peptidase IV inhibitors are a class of oral diabetic agents that affect bradykinin and substance P degradation and therefore can lead to angioedema...
May 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/28474564/substance-p-regulation-in-epilepsy
#12
Guangfan Chi, Zhehao Huang, Xianglan Li, Guangquan Li
Substance P (SP), an undecapeptide, is a member of the tachykinin family, and is encoded by the preprotachykinin-a gene. SP is widely distributed in the regions of the central nervous system associated with epilepsy and it contributes to the initiation and maintenance phases of epilepsy. In vivo, SP binds to the neurokinin-1 (NK-1) receptor and modulates the biological activity of the receptor. Although NK-1 receptor antagonists have anti-epileptic properties in animal models, the clinical efficacy of these drugs has not yet been verified...
May 4, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28472866/innervation-of-the-syrinx-of-the-zebra-finch-taeniopygia-guttata
#13
Macarena Faunes, João F Botelho, J Martin Wild
In songbirds the learning and maintenance of song is dependent on auditory feedback, but little is known about the presence or role of other forms of sensory feedback. Here we studied the innervation of the avian vocal organ, the syrinx, in the zebra finch. Using a combination of immunohistochemistry, immunofluorescence and neural tracing with subunit B of cholera toxin (CTB), we analysed the peripheral and central endings of the branch of the hypoglossal nerve that supplies the syrinx, the tracheosyringeal nerve...
May 4, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/28472227/cortical-nnos-nk1-receptor-neurons-are-regulated-by-cholinergic-projections-from-the-basal-forebrain
#14
Rhîannan H Williams, Jacqueline Vazquez-DeRose, Alexia M Thomas, Juliette Piquet, Bruno Cauli, Thomas S Kilduff
Cholinergic (ACh) basal forebrain (BF) neurons are active during wakefulness and rapid eye movement (REM) sleep and are involved in sleep homeostasis. We have previously shown in adult animals that cortical neurons that express neuronal nitric oxide synthase (nNOS) and the receptor for Substance P (NK1R) are activated during non-REM (NREM) sleep in proportion to homeostatic sleep drive. Here, we show that BF neurons modulate cortical nNOS/NK1R cells. In vitro optogenetic stimulation of BF terminals both activated and inhibited nNOS/NK1R neurons...
May 2, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28467735/skin-regeneration-with-self-assembled-peptide-hydrogels-conjugated-with-substance-p-in-a-diabetic-rat-model
#15
Ji Eun Kim, Jung Hwa Lee, Soo Hyun Kim, Youngmee Jung
The wound healing process requires enough blood to supply nutrients and various growth factors to the wound area. However, chronic wounds such as diabetic skin ulcers have limited regeneration due to a lack of cellular and molecular signals because of a deficient blood flow. Mesenchymal stem cells (MSCs) are known to provide various factors including growth factors, cytokines and angiogenic mediators. Although MSCs have great therapeutic potential, their transplantation has many obstacles including the time required to culture the cells, the invasiveness of the procedure and limited stem cell sources...
May 3, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28466657/a-review-on-potential-involvement-of-trpv1-channels-in-ischemia-reperfusion-injury
#16
Puneet Kaur Randhawa, Amteshwar Singh Jaggi
Besides functioning as thermosensors, transient receptor potential vanilloid 1 (TRPV1) channels play a pivotal role in ischemia-reperfusion injury. Transient receptor potential vanilloid 1 channel activation attenuates ischemia-reperfusion-induced injury in various organs including the heart, lungs, kidneys, and the brain. Transient receptor potential vanilloid 1 channels are expressed on the sensory neurons innervating the myocardium, ventricles of the heart, epicardial surface of the heart, endothelial cells, and the vascular smooth muscle cells...
January 1, 2017: Journal of Cardiovascular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28466243/contractile-properties-of-periosteal-arterioles-in-the-guinea-pig-tibia
#17
Hiroyasu Fukuta, Retsu Mitsui, Hiromichi Takano, Hikaru Hashitani
The periosteal arterioles of the compact bone may play a critical role in bone growth. To explore the contractile properties of tibial arterioles, spontaneous and nerve-evoked constrictions were compared in preparations from 3-week-old and 1-year-old guinea-pigs. Changes in arteriole diameters were measured using video microscopy. Their innervation was investigated using fluorescence immunohistochemistry. Fifty per cent and 40% of tibial arterioles from 3-week-old and 1-year-old guinea-pigs, respectively, exhibited spontaneous phasic constrictions that were inhibited by 1 μM nifedipine, 10 μM cyclopiazonic acid or 100 μM 2-APB...
May 2, 2017: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/28464353/neurokinin-1-receptor-blocker-cp-99%C3%A2-994-improved-emesis-induced-by-cisplatin-via-regulating-the-activity-of-gastric-distention-responsive-neurons-in-the-dorsal-motor-nucleus-of-vagus-and-enhancing-gastric-motility-in-rats
#18
X Sun, L Xu, F Guo, W Luo, S Gao, X Luan
BACKGROUND: Nowadays, chemotherapy induced nausea and vomiting (CINV) is still common in patients with cancer. It was reported that substance P mediated CINV via neurokinin-1 (NK1 ) receptor and antagonists of NK1 receptor has been proved useful for treating CINV but the mechanism are not fully understood. This study aimed to examine the role of NK1 receptor blocker, CP-99 994, when administrated into dorsal motor nucleus of vagus (DMNV), on the cisplatin-induced emesis in rats and the possible mechanism...
May 2, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28461492/sp-and-il-33-together-markedly-enhance-tnf-synthesis-and-secretion-from-human-mast-cells-mediated-by-the-interaction-of-their-receptors
#19
Alexandra Taracanova, Mihail Alevizos, Anna Karagkouni, Zuiy Weng, Errol Norwitz, Pio Conti, Susan E Leeman, Theoharis C Theoharides
The peptide substance P (SP) and the cytokine tumor necrosis factor (TNF) have been implicated in inflammatory processes. Mast cells are recognized as important in inflammatory responses. Here, we report that IL-33 (30 ng/mL), a member of the IL-1 family of cytokines, administered in combination with SP (1 µM), markedly increase (by 1,000-fold) TNF gene expression in cultured human LAD2 and primary mast cells derived from umbilical cord blood. SP (0.01-1 μM) and IL-33 (1-100 ng/mL) in combination also greatly stimulate TNF secretion (by 4,500-fold)...
May 1, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28461253/age-differences-in-the-time-course-and-magnitude-of-changes-in-circulating-neuropeptides-following-pain-evocation-in-humans
#20
Joseph L Riley, Yenisel Cruz-Almeida, Margarete C Dasilva Ribeiro, Corey B Simon, Nathan R Eckert, Maria Aguirre, Heather L Sorenson, Patrick J Tighe, Robert R Edwards, Shannon M Wallet
This study tested the hypothesis that older adults would have a stronger response for substance P (facilitatory) but weaker response to β-endorphin (inhibitory), both in magnitude and time-course. Eight younger and 9 older adults underwent 3 experimental sessions using well-validated laboratory pain models: cold pressor task (CPT), contact heat pain (HP), and a non-painful control. Blood was collected through an indwelling catheter at baseline and 3, 15, 30, 45, and 60-minutes post-stimuli administration. Older adults had higher baseline levels of both neuropeptides suggesting increased peripheral activity compared to younger adults...
April 28, 2017: Journal of Pain: Official Journal of the American Pain Society
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