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Calcitonin

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https://www.readbyqxmd.com/read/28432311/enteric-innervation-combined-with-proteomics-for-the-evaluation-of-the-effects-of-chronic-fluoride-exposure-on-the-duodenum-of-rats
#1
Carina Guimarães de Souza Melo, Juliana Vanessa Colombo Martins Perles, Jacqueline Nelisis Zanoni, Sara Raquel Garcia de Souza, Erika Xavier Santos, Aline de Lima Leite, Alessandro Domingues Heubel, Camila Oliveira E Souza, Juliana Gadelha de Souza, Marília Afonso Rabelo Buzalaf
Ingested fluoride (F) is absorbed mainly in the small intestine, which is controlled by the Enteric Nervous System (ENS). Although important intestinal symptomatology has been described after excessive F exposure, there have been no studies reporting the effects of F on the ENS. In this study, the effects of chronic F exposure were evaluated on the duodenums of rats through proteomic and morphological analyses. Concentrations of 0, 10, or 50 ppm of F were applied to the drinking water for 30 days. Immunofluorescence techniques were performed in the myenteric plexus of the duodenum to detect HuC/D, neuronal nitric oxide (nNOS), vasoactive intestinal peptide (VIP), calcitonin gene related peptide (CGRP), and substance P (SP)...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28431586/expression-of-calcitonin-gene-related-peptide-in-the-infrapatellar-fat-pad-in-knee-osteoarthritis-patients
#2
Jun Aikawa, Kentaro Uchida, Shotaro Takano, Gen Inoue, Atsushi Minatani, Masayuki Miyagi, Dai Iwase, Hiroyuki Sekiguchi, Manabu Mukai, Masashi Takaso
BACKGROUND: The infrapatellar fat pad (IPFP) has been implicated as a possible source of osteoarthritis (OA) development and knee pain due to the production of inflammatory mediators and the existence of nerve fibers within this structure. Calcitonin gene-related peptide (CGRP) is a vasodilatory neuropeptide that is localized to joint tissues and has recently been implicated in the development of knee OA and OA pain. To date, however, the expression levels of CGRP in the IPFP of human knee OA patients have not been examined...
April 21, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28431202/pharmacological-interventions-for-acute-pancreatitis
#3
REVIEW
Elisabetta Moggia, Rahul Koti, Ajay P Belgaumkar, Federico Fazio, Stephen P Pereira, Brian R Davidson, Kurinchi Selvan Gurusamy
BACKGROUND: In people with acute pancreatitis, it is unclear what the role should be for medical treatment as an addition to supportive care such as fluid and electrolyte balance and organ support in people with organ failure. OBJECTIVES: To assess the effects of different pharmacological interventions in people with acute pancreatitis. SEARCH METHODS: We searched the Cochrane Central Register of Controlled Trials (CENTRAL, 2016, Issue 9), MEDLINE, Embase, Science Citation Index Expanded, and trial registers to October 2016 to identify randomised controlled trials (RCTs)...
April 21, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28430869/inhibition-of-the-p2x7-panx1-complex-suppresses-spreading-depolarization-and-neuroinflammation
#4
Shih-Pin Chen, Tao Qin, Jessica L Seidel, Yi Zheng, Matthias Eikermann, Michel D Ferrari, Arn M J M van den Maagdenberg, Michael A Moskowitz, Cenk Ayata, Katharina Eikermann-Haerter
Spreading depolarization is a wave of neuronal and glial depolarization. Within minutes after spreading depolarization, the neuronal hemichannel pannexin 1 (PANX1) opens and forms a pore complex with the ligand-gated cation channel P2X7, allowing the release of excitatory neurotransmitters to sustain spreading depolarization and activate neuroinflammation. Here, we explore the hypothesis that the P2X7-PANX1 pore complex is a critical determinant of spreading depolarization susceptibility with important consequences for neuroinflammation and trigeminovascular activation...
April 20, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28429354/the-role-of-the-hippocampus-and-the-function-of-calcitonin-gene-related-peptide-in-the-mechanism-of-traumatic-brain-injury-accelerating-fracture-healing
#5
Y Song, G-X Han, L Chen, Y-Z Zhai, J Dong, W Chen, T-S Li, H-Y Zhu
OBJECTIVE: This research attempts to identify the part the hippocampus plays in accelerated fracture-healing after traumatic brain injury as well as to test functions of calcitonin gene-related peptide (CGRP) during this process. MATERIALS AND METHODS: Experiments were carried out on Male Sprague-Dawley rats that were split into four groups at random: TBI-fracture group, fracture-only group, TBI-only group, and control group. In the first week, blood specimen would be drawn from rats among the groups except those of the control group at three-time points (24, 72 and 168 hours) post-damage...
April 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28429221/associations-of-osteocalcin-osteoprotegerin-and-calcitonin-with-inflammation-biomarkers-in-atherosclerotic-plaques-of-coronary-arteries
#6
Ya V Polonskaya, E V Kashtanova, I S Murashov, A M Volkov, A V Kurguzov, A M Chernyavsky, Yu I Ragino
We studied associations of osteocalcin, osteoprotegerin, and calcitonin with markers of inflammation in atherosclerotic plaques in coronary arteries and assessed the influence of these biomolecules on calcification of atherosclerotic plaques. The initial stage of calcification of atherosclerotic plaques is characterized by activation of inflammatory processes, which is seen from increased levels of proinflammatory biomarkers (IL-6, IL 8, TNF-α, and IL-1β). Progressive calcification of atherosclerotic plaques is accompanied by insignificant accumulation of calcitonin and osteoprotegerin...
April 21, 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28429044/-68-ga-dotatate-pet-ct-in-recurrent-medullary-thyroid-carcinoma-a-lesion-by-lesion-comparison-with-111-in-octreotide-spect-ct-and-conventional-imaging
#7
Lilian Yuri Itaya Yamaga, Marcelo L Cunha, Guilherme C Campos Neto, Marcio R T Garcia, Ji H Yang, Cleber P Camacho, Jairo Wagner, Marcelo B G Funari
PURPOSE: The aim of this study was to prospectively compare the detection rate of (68)Ga-DOTATATE PET-CT with (111)In-octreotide SPECT-CT and conventional imaging (CI) in medullary thyroid carcinoma (MTC) patients with increased calcitonin (Ctn) levels but negative CI after thyroidectomy. METHODS: Fifteen patients with raised Ctn levels and/or CI evidence of recurrence underwent (68)Ga-DOTATATE PET-CT, (111)In-octreotide SPECT-CT and CI. Histopathology, CI and biochemical/clinical/imaging follow-up were used as the reference standard...
April 20, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28428677/hypothyroidism-in-pediatric-population-bosnian-and-herzegovinian-situation
#8
Edo Hasanbegovic, Snijezana Hasanbegovic, Edin Begic
INTRODUCTION: Thyroid gland diseases in children are in second place by frequency among all endocrine disorders. When interpreting the results of the thyroid function assessment it should be taken into account the significant differences in the concentrations of TSH, thyroid hormones, thyroid binding proteins and calcitonin among children of different ages. GOAL: To present the age and sex structure of the patients diagnosed with hypothyroidism, evaluate diagnostic methods for making diagnosis, evaluation of etiology of hypothyroidism, with special review of the therapeutic modality...
February 2017: Medical Archives
https://www.readbyqxmd.com/read/28428082/calcitonin-receptor-increases-invasion-of-prostate-cancer-cells-by-recruiting-zonula-occludens-1-and-promoting-pka-mediated-tj-disassembly
#9
Ahmed Aljamilee, Arvind Thakkar, Girish Shah
Almost all primary prostate cancers (PCs) and PC cell lines express calcitonin (CT) and/or its receptor (CTR), and their co-expression positively correlates with their invasiveness. Activation of the CT-CTR axis in non-invasive LNCaP cells induces an invasive phenotype. In contrast, silencing of CT/CTR expression in highly metastatic PC-3M cells markedly reduces their tumorigenicity and abolishes their ability to form distant metastases in nude mice. Our recent studies suggest that CTR interacts with zonula occludens 1 (ZO-1) through PDZ interaction to destabilize tight junctions and increase invasion of PC cells...
April 17, 2017: Cellular Signalling
https://www.readbyqxmd.com/read/28427767/%C3%AE-arrestins-negatively-control-human-adrenomedullin-type-1-receptor-internalization
#10
Kenji Kuwasako, Kazuo Kitamura, Sayaka Nagata, Toshio Sekiguchi, Jiang Danfeng, Manabu Murakami, Yuichi Hattori, Johji Kato
Adrenomedullin (AM) is a potent hypotensive peptide that exerts a powerful variety of protective effects against multiorgan damage through the AM type 1 receptor (AM1 receptor), which consists of the calcitonin receptor-like receptor (CLR) and receptor activity-modifying protein 2 (RAMP2). Two β-arrestin (β-arr) isoforms, β-arr-1 and β-arr-2, play a central role in the agonist-induced internalization of many receptors for receptor resensitization. Notably, β-arr-biased agonists are now being tested in phase II clinical trials, targeting acute pain and acute heart failure...
April 17, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28425871/the-journey-of-the-non-vascular-relief-for-migraine-from-triptans-to-ditans
#11
Alphienes Stanley Xavier, Mageshwaran Lakshmanan, Vikneswaran Gunaseelan
Migraine is a recurrent, disabling, complex and highly prevalent neurological disorder. The mystery behind the cause of migraine is continuously evolving, according to the scientific understanding of the disease. This growing understanding helps to identify novel therapeutic targets for the management of migraine to treat the ailing migraineurs. The role of serotonin (5HT) in migraine is recognized to be the cornerstone for the currently available therapeutic options namely ergot alkaloids and triptans. The role of mediators such as Calcitonin Gene-Related Peptide (CGRP), nitric oxide and excitatory neurotransmitter glutamate, has been realized and ignited the development of drugs targeting these factors...
April 19, 2017: Current Clinical Pharmacology
https://www.readbyqxmd.com/read/28422070/one-year-follow-up-risk-assessment-in-skh-1-mice-and-wounds-treated-with-an-argon-plasma-jet
#12
Anke Schmidt, Thomas von Woedtke, Jan Stenzel, Tobias Lindner, Stefan Polei, Brigitte Vollmar, Sander Bekeschus
Multiple evidence in animal models and in humans suggest a beneficial role of cold physical plasma in wound treatment. Yet, risk assessment studies are important to further foster therapeutic advancement and acceptance of cold plasma in clinics. Accordingly, we investigated the longterm side effects of repetitive plasma treatment over 14 consecutive days in a rodent full-thickness ear wound model. Subsequently, animals were housed for 350 days and sacrificed thereafter. In blood, systemic changes of the proinflammatory cytokines interleukin 1β and tumor necrosis factor α were absent...
April 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28417590/calcitonin-gene-related-peptide-cgrp-a-novel-target-for-alzheimer-s-disease
#13
REVIEW
Yogendra Singh, Gaurav Gupta, Birendra Shrivastava, Rajiv Dahiya, Juhi Tiwari, Madhu Ashwathanarayana, Rakesh Kumar Sharma, Mohit Agrawal, Anurag Mishra, Kamal Dua
Alzheimer's disease (AD) is leading cause of death among older characterized by neurofibrillary tangles, oxidative stress, progressive neuronal deficits, and increased levels of amyloid-β (Aβ) peptides. Cholinergic treatment could be the best suitable physiological therapy for AD. Calcitonin gene-related peptide (CGRP) is a thirty-seven-amino acid regulatory neuropeptide resulting from different merging of the CGRP gene, which also includes adrenomedullin, amylin, calcitonin, intermedin, and calcitonin receptor-stimulating peptide...
April 17, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28417221/co-localization-of-zinc-transporter-3-znt3-with-sensory-neuromediators-and-or-neuromodulators-in-the-enteric-nervous-system-of-the-porcine-esophagus
#14
Joanna Wojtkiewicz, Liliana Rytel, Krystyna Makowska, Sławomir Gonkowski
Zinc transporter 3 (ZnT3) is one of the zinc transporters family. It is closely connected to the nervous system, where enables the transport of zinc ions from the cytoplasm to synaptic vesicles. This substance has been described within the central and peripheral nervous system, especially in the enteric nervous system (ENS). The aim of the present study was to describe the co-localization of ZnT3 with selected neuromediators and/or neuromodulators participating in sensory stimuli conduction in neurons of the ENS within the porcine esophagus...
April 17, 2017: Biometals: An International Journal on the Role of Metal Ions in Biology, Biochemistry, and Medicine
https://www.readbyqxmd.com/read/28414150/supramolecular-nanoparticles-of-calcitonin-and-dipeptide-for-long-term-controlled-release
#15
Shuqin Cao, Yanpeng Liu, Hui Shang, Sheyu Li, Jian Jiang, Xiaofeng Zhu, Peng Zhang, Xianlong Wang, Jianshu Li
Salmon calcitonin (sCT) is a therapeutic polypeptide drug widely used to treat bone diseases such as osteoporosis (more than 200 million patients all over the world). The half-life of sCT is very short (~1h), thus various delivery systems have been developed for sCT in order to avoid frequent injections. However, most delivery systems use polymeric materials, which may limit their applications in clinic formulations due to the biocompatibility issue. We observed that a very simple dipeptide (Asp-Phe, DF) was co-assembled with sCT into supramolecular nanoparticles...
April 13, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28413794/comparative-evaluation-of-iodine-131-metaiodobenzylguanidine-and-18-fluorodeoxyglucose-positron-emission-tomography-in-assessing-neural-crest-tumors-will-they-play-a-complementary-role
#16
Soumyakanti Kundu, Purushottam Kand, Sandip Basu
BACKGROUND: 18-Fluorodeoxyglucose positron emission tomography (FDG-PET) has established a role in the evaluation of several malignancies. However, its precise clinical role in the neural crest cell tumors continues to evolve. PURPOSE: The purpose of this study was to compare iodine-131 metaiodobenzylguanidine ((131)I-MIBG) and FDG-PET of head to head in patients with neural crest tumors both qualitatively and semiquantitatively and to determine their clinical utility in disease status evaluation and further management...
January 2017: South Asian Journal of Cancer
https://www.readbyqxmd.com/read/28413467/calcitonin-gene-related-peptide-protects-type-ii-alveolar-epithelial-cells-from-hyperoxia-induced-dna-damage-and-cell-death
#17
Hongmin Fu, Tiesong Zhang, Rongwei Huang, Zhen Yang, Chunming Liu, Ming Li, Fang Fang, Feng Xu
Hyperoxia therapy for acute lung injury (ALI) may unexpectedly lead to reactive oxygen species (ROS) production and cause additional ALI. Calcitonin gene-related peptide (CGRP) is a 37 amino acid neuropeptide that regulates inflammasome activation. However, the role of CGRP in DNA damage during hyperoxia is unclear. Therefore, the aim of the present study was to investigate the effects of CGRP on DNA damage and the cell death of alveolar epithelial type II cells (AEC II) exposed to 60% oxygen. AEC II were isolated from 19-20 gestational day fetal rat lungs and were exposed to air or to 60% oxygen during treatment with CGRP or the specific CGRP receptor antagonist CGRP8-37...
April 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28409893/spotlight-on-anti-cgrp-monoclonal-antibodies-in-migraine-the-clinical-evidence-to-date
#18
REVIEW
Lanfranco Pellesi, Simona Guerzoni, Luigi Alberto Pini
Migraine, a common neurovascular brain disorder, represents a severe and widespread health problem; along with medication-induced (medication-overuse) headache, it is the third-leading cause of disability worldwide. Currently, its therapeutic management remains unsatisfactory for several reasons; up to 40% of migraineurs are eligible for prophylactic treatment, but there are issues of efficacy, safety, and adherence. In recent years the evidence on the role of calcitonin gene-related peptide (CGRP) in migraine pathophysiology has been consolidated, so new and promising treatments for migraine pain and its possible prevention have been developed...
April 14, 2017: Clinical Pharmacology in Drug Development
https://www.readbyqxmd.com/read/28405029/protein-kinase-enzymes-in-the-human-vagina-relation-to-key-mediators-of-the-cyclic-amp-and-cyclic-gmp-pathways
#19
S Ückert, J Sonnenberg, J E Sonnenberg, W Kauffels, K Albrecht, M A Kuczyk, P Hedlund
Aside from phosphodiesterase (PDE) isoenzymes, protein kinases (cAK=cyclic AMP-binding protein kinase, cGK=cyclic GMP-binding protein kinase) have also been identified as important receptors for cyclic nucleotides. A significance of protein kinases in the control of the function of the male and female reproductive tract has been suggested; however, up until today, only a few approaches have addressed these enzymes in female genital tissues. The present study aimed to investigate by means of biochemical and immunohistochemical methods the expression of cAK and cGK...
April 13, 2017: International Journal of Impotence Research
https://www.readbyqxmd.com/read/28404507/paclitaxel-inhibits-the-activity-and-membrane-localization-of-pkc%C3%AE-and-pkc%C3%AE-i-ii-to-elicit-a-decrease-in-stimulated-calcitonin-gene-related-peptide-release-from-cultured-sensory-neurons
#20
Lisa M Darby, Hongdi Meng, Jill C Fehrenbacher
Peripheral neuropathy is a dose-limiting and debilitating side effect of the chemotherapeutic drug, paclitaxel. Consequently, elucidating the mechanisms by which this drug alters sensory neuronal function is essential for the development of successful therapeutics for peripheral neuropathy. We previously demonstrated that chronic treatment with paclitaxel (3-5days) reduces neuropeptide release stimulated by agonists of TRPV1. Because the activity of TRPV1 channels is modulated by conventional and novel PKC isozymes (c/nPKC), we investigated whether c/nPKC mediate the loss of neuropeptide release following chronic treatment with paclitaxel (300nM; 3 and 5days)...
April 9, 2017: Molecular and Cellular Neurosciences
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