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https://www.readbyqxmd.com/read/29785019/cribriform-morular-variant-of-thyroid-carcinoma-a-neoplasm-with-distinctive-phenotype-associated-with-the-activation-of-the-wnt-%C3%AE-catenin-pathway
#1
REVIEW
José Manuel Cameselle-Teijeiro, Diego Peteiro-González, Javier Caneiro-Gómez, María Sánchez-Ares, Ihab Abdulkader, Catarina Eloy, Miguel Melo, Isabel Amendoeira, Paula Soares, Manuel Sobrinho-Simões
Cribriform-morular variant of thyroid carcinoma is classically associated with familial adenomatous polyposis but, it can also occur as a sporadic neoplasm. This neoplasm is much more frequently observed in women than in men (ratio of 61:1). In familial adenomatous polyposis patients, tumors are generally multifocal and/or bilateral (multinodular appearance), whereas in the sporadic cases tumors tend to occur as single nodules. The tumors are well delimited, and characteristically show a blending of follicular, cribriform, papillary, trabecular, solid, and morular patterns...
May 21, 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29772080/substance-p-and-calcitonin-gene-related-peptide-expression-in-human-periodontal-ligament-after-root-canal-preparation-with-reciproc-blue-waveone-gold-xp-endoshaper-and-hand-files
#2
J Caviedes-Bucheli, N Rios-Osorio, M Rey-Rojas, F Laguna-Rivero, M M Azuero-Holguin, L E Diaz, H Curtidor, J J Castaneda-Ramirez, H R Munoz
AIM: To quantify the Substance P (SP) and Calcitonin gene-related peptide (CGRP) expression in healthy human periodontal ligament from premolars after root canal preparation with Reciproc Blue, WaveOne Gold, XP EndoShaper and hand files. METHODOLOGY: Fifty human periodontal ligament samples were obtained from healthy mandibular premolars where extraction was indicated for orthodontic reasons. Prior to extraction, 40 of these premolars were equally divided into four groups, and root canals were prepared using four different systems: Reciproc Blue, WaveOne Gold, XP EndoShaper, and a hand instrumentation technique...
May 17, 2018: International Endodontic Journal
https://www.readbyqxmd.com/read/29771142/the-development-of-a-mouse-model-of-mtbi-induced-post-traumatic-migraine-and-identification-of-the-delta-opioid-receptor-as-a-novel-therapeutic-target
#3
Laura S Moye, Madeline L Novack, Alycia F Tipton, Harish Krishnan, Subhash C Pandey, Amynah Aa Pradhan
Background Post-traumatic headache is the most common and long-lasting impairment observed following mild traumatic brain injury, and frequently has migraine-like characteristics. The mechanisms underlying progression from mild traumatic brain injury to post-traumatic headache are not fully understood. The aim of this study was to develop a mouse model of post-traumatic headache and identify mechanisms and novel targets associated with this disorder. Methods We combined the closed head weight-drop method and the nitroglycerin chronic migraine model...
January 1, 2018: Cephalalgia: An International Journal of Headache
https://www.readbyqxmd.com/read/29769708/maternal-supraphysiological-hypercholesterolemia-associates-with-endothelial-dysfunction-of-the-placental-microvasculature
#4
Bárbara Fuenzalida, Bastián Sobrevia, Claudette Cantin, Lorena Carvajal, Rocío Salsoso, Jaime Gutiérrez, Susana Contreras-Duarte, Luis Sobrevia, Andrea Leiva
Maternal physiological or supraphysiological hypercholesterolemia (MPH, MSPH) occurs during pregnancy. MSPH is associated with foetal endothelial dysfunction and atherosclerosis. However, the potential effects of MSPH on placental microvasculature are unknown. The aim of this study was to determine whether MSPH alters endothelial function in the placental microvasculature both ex vivo in venules and arterioles from the placental villi and in vitro in primary cultures of placental microvascular endothelial cells (hPMEC)...
May 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29766245/-18-f-dopa-pet-cect-in-diagnosis-and-staging-of-primary-medullary-thyroid-carcinoma-prior-to-surgery
#5
Sazan Rasul, Sabrina Hartenbach, Katharina Rebhan, Adelina Göllner, Georgios Karanikas, Marius Mayerhoefer, Peter Mazal, Marcus Hacker, Markus Hartenbach
PURPOSE: Medullary thyroid carcinoma (MTC) is characterized by a high rate of metastasis. In this study we evaluated the ability of [18 F]DOPA PET/ceCT to stage MTC in patients with suspicious thyroid nodules and pathologically elevated serum calcitonin (Ctn) levels prior to total thyroidectomy and lymph node (LN) dissection. METHODS: A group of 32 patients with sonographically suspicious thyroid nodules and pathologically elevated basal Ctn (bCtn) and stimulated Ctn (sCtn) levels underwent DOPA PET/ceCT prior to surgery...
May 15, 2018: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29764011/efficacy-and-safety-of-autologous-stromal-vascular-fraction-in-the-treatment-of-empty-nose-syndrome
#6
Do-Youn Kim, Hye Ran Hong, Eun Wook Choi, Sang Won Yoon, Yong Ju Jang
Objectives: Regenerative treatment using stem cells may serve as treatment option for empty nose syndrome (ENS), which is caused by the lack of turbinate tissue and deranged nervous system in the nasal cavity. We aimed to assess the efficacy and safety of the autologous stromal vascular fraction (SVF) in the treatment of ENS. Methods: In this prospective observational clinical study, we enrolled 10 ENS patients who volunteered to undergo treatment of ENS through the injection of autologous SVF...
May 16, 2018: Clinical and Experimental Otorhinolaryngology
https://www.readbyqxmd.com/read/29763252/charcot-foot-clinical-clues-diagnostic-strategies-and-treatment-principles
#7
Valerie S Marmolejo, Jonathan F Arnold, Mario Ponticello, Charles A Anderson
Acute Charcot neuroarthropathy of the foot and ankle is often difficult to diagnose because of limited findings in the patient history, physical examination, imaging, and laboratory studies. Delay in treatment results in the development of rigid foot and ankle deformities, increasing the risk of ulceration, infection, and major lower extremity amputation. Acute Charcot neuroarthropathy should be suspected in any patient 40 years or older with obesity and peripheral neuropathy who presents with an acutely swollen foot following minimal or no recalled trauma and who reports minimal to no pain, particularly if radiography and laboratory markers of infection are normal...
May 1, 2018: American Family Physician
https://www.readbyqxmd.com/read/29761487/the-phytoestrogen-genistein-prevents-trabecular-bone-loss-and-affects-thyroid-follicular-cells-in-a-male-rat-model-of-osteoporosis
#8
Branko Filipović, Branka Šošić-Jurjević, Vladimir Ajdžanović, Jasmina Živanović, Milica Manojlović-Stojanoski, Nataša Nestorović, Nataša Ristić, Svetlana Trifunović, Verica Milošević
As a major phytoestrogen of soy, genistein effectively prevents bone loss in both humans and rat models of osteoporosis. However, although the bone-sparing effects of genistein are achieved directly through estrogen receptors, its mode of action on bone by modulation of other endocrine functions is not entirely clear. Thus, thyroid hormones and calcitonin (CT) have an essential influence on bone metabolism. Besides its action on bones, in this study we examined the effect of genistein on the activity of two different endocrine cell populations, thyroid follicular and C-cells...
May 14, 2018: Journal of Anatomy
https://www.readbyqxmd.com/read/29758188/tuft-cells-distribution-and-connections-with-nerves-and-endocrine-cells-in-mouse-intestine
#9
Xiaowen Cheng, Ulrikke Voss, Eva Ekblad
Tuft cells are gastrointestinal (GI) sensory cells recognized by their characteristic shape and their microvilli "tuft". Aims of the present study were to elucidate their regional distribution and spatial connections with satiety associated endocrine cells and nerve fibers throughout the intestinal tract. C57BL/6J mice were used in the experiments. The small intestine was divided into five segments, and the large intestine was kept undivided. The segments were coiled into "Swiss rolls". Numbers and topographic distribution of tuft cells and possible contacts with endocrine cells and nerve fibers were estimated in the different segments, using immunocytochemistry...
May 11, 2018: Experimental Cell Research
https://www.readbyqxmd.com/read/29755856/the-guiding-role-of-bone-metabolism-test-in-osteoporosis-treatment
#10
REVIEW
Wei Zhang, Guo-Ji Yang, Shi-Xian Wu, Dong-Qing Li, Ying-Bo Xu, Cheng-Hong Ma, Jun-Ling Wang, Wei-Wen Chen
Osteoporosis (OP) and osteoporotic fractures are becoming a serious health care issue in the world. Calcium and vitamin D are the basic treatment for osteoporosis. Nonetheless, they do not effectively reduce the incidences of fracture. Currently approved treatments for osteoporosis include selective estrogen receptor modulators (SERMs), bisphosphonates, denosumab, teriparatide, calcitonin and others. However, the appearance of some adverse effects including atypical fracture and breast cancer has limited long-term treatments above mentioned...
2018: American Journal of Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/29754940/radioguided-hepatic-resection-with-18-f-dopa-in-a-patient-with-metastatic-medullary-thyroid-carcinoma
#11
J López-Gómez, S Medina-Ornelas, M A Salazar-Álvarez, M Álvarez-Bojórquez, N Zaragoza-Cruz, J Melchor-Ruan, A Álvarez-Cano
INTRODUCTION: Medullary carcinoma accounts for 1-2% of all thyroid malignancies. 13-20% of patients present with distant metastasis, with 45% of the cases affecting the liver. CLINICAL CASE: A 50-year-old woman, diagnosed with medullary thyroid carcinoma, was treated with total thyroidectomy and a modified neck dissection in 1999. Two lymph node recurrences in the neck were treated with surgical resection; during surveillance, she developed elevated calcitonin levels, the recurrence site was identified with 18 F-DOPA PET/CT in the liver...
May 10, 2018: Revista Española de Medicina Nuclear e Imagen Molecular
https://www.readbyqxmd.com/read/29754819/blocking-neuronal-signaling-to-immune-cells-treats-streptococcal-invasive-infection
#12
Felipe A Pinho-Ribeiro, Buket Baddal, Rianne Haarsma, Maghnus O'Seaghdha, Nicole J Yang, Kimbria J Blake, Makayla Portley, Waldiceu A Verri, James B Dale, Michael R Wessels, Isaac M Chiu
The nervous system, the immune system, and microbial pathogens interact closely at barrier tissues. Here, we find that a bacterial pathogen, Streptococcus pyogenes, hijacks pain and neuronal regulation of the immune response to promote bacterial survival. Necrotizing fasciitis is a life-threatening soft tissue infection in which "pain is out of proportion" to early physical manifestations. We find that S. pyogenes, the leading cause of necrotizing fasciitis, secretes streptolysin S (SLS) to directly activate nociceptor neurons and produce pain during infection...
May 7, 2018: Cell
https://www.readbyqxmd.com/read/29754602/retracted-imprinted-zno-nanostructure-based-electrochemical-sensing-of-calcitonin-a-clinical-marker-for-medullary-thyroid-carcinoma
#13
Santanu Patra, Ekta Roy, Rashmi Madhuri, Prashant K Sharma
This article has been retracted: please see Elsevier Policy on Article Withdrawal (https://www.elsevier.com/about/our-business/policies/article-withdrawal). This article has been retracted at the request of the Editor following concerns raised by various readers. The article reports different electron micrographs for different sample preparations, but some images are of different areas from the same sample. Figure 4E is a magnified section of Figure 4C, and the images are identical as demonstrated by overlapping the images and adjusting for magnification scale...
September 6, 2018: Analytica Chimica Acta
https://www.readbyqxmd.com/read/29752991/cerebrolysin-attenuates-hyperalgesia-photophobia-and-neuroinflammation-in-a-nitroglycerin-induced-migraine-model-in-rats
#14
Javad Mahmoudi, Gisou Mohaddes, Marjan Erfani, Saeed Sadigh-Eteghad, Pouran Karimi, Mojgan Rajabi, Siamak Reyhani-Rad, Fereshteh Farajdokht
Chronic migraine dramatically affects the quality of life in the migraineurs. This study examined the effect of chronic cerebrolysin (CBL) treatment on the migraine-associated symptoms in a rat model of migraine. Experiments were carried out on 8 weeks, male Wistar rats. Chronic migraine was modeled by injection (10 mg/kg, i.p) of nitroglycerin (NTG) on days 3, 5, 7, and 9. CBL (2.5 and 5 ml/kg, i.p.) was injected every day for 10 days. Mechanical and thermal withdrawal thresholds of the hind paw were examined by von Frey hairs and hot plate, respectively...
May 9, 2018: Brain Research Bulletin
https://www.readbyqxmd.com/read/29752905/paget-s-disease-of-bone-diagnosis-and-treatment-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2
#15
REVIEW
Igor Kravets
Paget's disease of bone is a common bone disorder characterized by disorganized bone remodeling. The most likely etiology is a slow paramyxoviral viral infection in genetically susceptible individuals, however the exact cause is unknown. Enhanced bone resorption due to and increased activity of osteoclasts recruits numerous osteoblasts to resorption sites with large quantities of new bone matrix produced as a result. The accelerated bone resorption and formation are not as closely coupled as in a healthy bone; a disorganized bone tissue is formed...
May 9, 2018: American Journal of Medicine
https://www.readbyqxmd.com/read/29748528/salmon-calcitonin-attenuates-degenerative-changes-in-cartilage-and-subchondral-bone-in-lumbar-facet-joint-in-an-experimental-rat-model
#16
Yu Gou, Faming Tian, Qingfu Kong, Tiangang Chen, Hetong Li, Qinglie Lv, Liu Zhang
BACKGROUND Facet joint degeneration (FJD) is one of the common causes of low back pain (LBP), and estrogen deficiency is one of the triggers for FJD. Calcitonin may possess the potential for treating osteoarthritis, but to date the hormone has not been studied in the treatment of FJD. Therefore, the aim of this study was to investigate the effects of salmon calcitonin (sCT) on FJD induced by estrogen deficiency after ovariectomy (OVX). MATERIAL AND METHODS Thirty female Sprague-Dawley rats were randomly assigned to 3 groups: the OVX group received bilateral OVX, the OVX + sCT group received subcutaneous administration of sCT (16 IU/kg/2 days) following bilateral OVX, and the Sham group received sham surgery...
May 7, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29746988/connexin36-expression-in-primary-afferent-neurons-in-relation-tothe-axon-reflex-modality-coding-of-somatic-sensation
#17
J I Nagy, B D Lynn, J M M Senecal, K Stecina
Electrical coupling mediated by connexin36-containing gap junctions that form electrical synapses is known to be prevalent in the central nervous system, but such coupling was long ago reported also to occur between cutaneous sensory fibers. Here, we provide evidence supporting the capability of primary afferent fibers to engage in electrical coupling. In transgenic mice with enhanced green fluorescent protein (eGFP) serving as a reporter for connexin36 expression, immunofluorescence labelling of eGFP was found in subpopulations of neurons in lumbar dorsal root and trigeminal sensory ganglia, and in fibers within peripheral nerves and tissues...
May 7, 2018: Neuroscience
https://www.readbyqxmd.com/read/29745819/crosstalk-between-neuropeptides-sp-and-cgrp-in-regulation-of-bmp2-induced-bone-differentiation
#18
Ceren Tuzmen, Phil G Campbell
AIM OF THE STUDY: The peripheral nervous system is involved in regulation of bone metabolism via sensory and sympathetic innervation. Substance P (SP) and calcitonin gene-related peptide (CGRP) are two sensory neuropeptides that have been associated with regulation of osteogenic differentiation. However, the interaction between SP and CGRP both with each other and the bone morphogenetic protein 2 (BMP2) in regulation of osteogenic differentiation has not been studied. Therefore, the aim of this study was to investigate the interaction between SP and CGRP on BMP2-induced bone differentiation using model progenitor cells...
December 2018: Connective Tissue Research
https://www.readbyqxmd.com/read/29745315/mining-and-functional-verification-of-calcitonin-genes-from-the-genome-database
#19
Zailong Cai, Jiewei Hu, Lin Pang, Binghua Jiao, Shengsheng Yang
Given the emergence of new-generation gene sequencing, numerous genome sequences of species have been revealed, however, their biological functions need to be confirmed. This study aimed to identify new, highly active calcitonins (CTs) from the gene database. A total of 64 candidate CT genes and amino acid sequences from different species were obtained by BLAST using the salmon CT (sCT) sequence as the query sequence. These sequences were clustered to 27 different CT polypeptide sequences, and then the evolutionary tree was constructed...
May 7, 2018: Protein and Peptide Letters
https://www.readbyqxmd.com/read/29741760/involvement-of-cgrp-rcp-in-the-caveolin-1-erk1-2-signal-pathway-in-the-static-pressure-induced-proliferation-of-vascular-smooth-muscle-cells
#20
Feng Guo, Li Yang, Jingfei Luo, Haiyan Quan, Zhen Wang, Hongyan Peng, Chenliang Hong, Jie Li, Zhisheng Jiang, Liang Zhang, Xuping Qin
Previous study suggested that the receptor component protein (RCP), one of the components of calcitonin gene-related peptide (CGRP) receptor, plays a multiple role in the cellular signal transduction. The study was designed to investigate whether or not the RCP involved in the regulation of caveolin-1/extracellular signal-regulated kinases-1 and -2 (ERK1/2) signal pathway in the vascular smooth muscle cells (VSMCs) proliferation induced by static pressure. Mouse-derived VSMCs line A10 (A10 VSMCs) was served as project in this experiment...
May 9, 2018: Journal of Cellular Physiology
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