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https://www.readbyqxmd.com/read/28546767/increase-and-regulation-of-synovial-calcitonin-gene-related-peptide-expression-in-patients-with-painful-knee-osteoarthritis
#1
Shotaro Takano, Kentaro Uchida, Gen Inoue, Atsushi Minatani, Masayuki Miyagi, Jun Aikawa, Dai Iwase, Kenji Onuma, Manabu Mukai, Masashi Takaso
BACKGROUND: Recent studies suggest that the vasodilatory neuropeptide calcitonin gene-related peptide (CGRP) is localized in the synovial tissue and may be involved in the pathology of hip and knee osteoarthritis (OA). However, the regulation and relationship between pain and CGRP expression levels in the synovial tissue of human OA patients are not fully understood. METHODS: Synovial tissues were harvested from 74 participants with radiographic knee OA (unilateral Kellgren/Lawrence grades 3-4) during total knee arthroplasty...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28546130/a-study-of-foxa1-expression-in-thyroid-tumors
#2
Daisuke Nonaka
FoxA1 regulates a variety of tissues during embryogenesis and early life. In thyroid, FoxA1 expression has recently been shown in C cells and medullary thyroid carcinomas but not in follicular cells. FoxA1 has also been proposed as potential oncogene in anaplastic thyroid carcinomas. However, FoxA1 expression has not been extensively investigated in a spectrum of thyroid non-neoplastic lesions and tumors. A variety of thyroid tumors and lesions and their morphologic mimics were stained with monoclonal anti-FoxA1 antibody...
May 22, 2017: Human Pathology
https://www.readbyqxmd.com/read/28540451/exogenous-cgrp-upregulates-profibrogenic-growth-factors-through-pkc-jnk-signaling-pathway-in-kidney-proximal-tubular-cells
#3
Sang Pil Yoon, Jinu Kim
Kidney denervation prevents the development of tubulointerstitial fibrosis, but the neuropeptide calcitonin gene-related peptide (CGRP) in the denervated kidneys restores the fibrotic feature through the upregulation of profibrogenic growth factors. CGRP is involved in aggravation of inflammation by increasing the number of circulating cells and chemotactic factors. However, it is not clear how CGRP contributes to the upregulation of profibrogenic factors during fibrogenesis. In both human and pig kidney proximal tubular cell lines, administration of 1 nM CGRP significantly increased the levels of transforming growth factor-β1 (TGF-β1) production and connective tissue growth factor (CTGF) expression at 6 and 24 h after the administration...
May 24, 2017: Cell Biology and Toxicology
https://www.readbyqxmd.com/read/28536894/can-medullary-thyroid-carcinoma-arise-in-thyroglossal-duct-cysts-a-search-for-parafollicular-c-cells-in-41-resected-cases
#4
Tracy Stein, Paari Murugan, Faqian Li, Mohamed I El Hag
Thyroglossal duct cysts (TGDCs) are present in ~7% of adults and develop from the midline migratory tract between the foramen cecum and anatomic location of the thyroid. Thyroid tissue can be identified in 2/3 of TGDCs, and up to 1% develop associated malignancy, 90% of which are papillary thyroid carcinoma. Cases of follicular and anaplastic carcinoma have been documented, but there are no reports of medullary thyroid carcinoma arising in a TGDC. This is presumably due to the distinct embryologic origin of parafollicular C-cells, from which medullary carcinoma arises...
May 23, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/28533776/reactivity-to-novel-autoantigens-in-patients-with-coexisting-central-nervous-system-demyelinating-disease-and-autoimmune-thyroid-disease
#5
Judith M Greer, Simon Broadley, Michael P Pender
Several lines of evidence suggest a definite and unique link between CNS demyelinating diseases and autoimmune thyroid disease (AITD). The aim of the current study was to systematically compare the clinical and laboratory features of patients with coexistent AITD and CNS demyelinating disease with those of patients with just CNS demyelinating disease. Forty-four patients with coexisting CNS demyelinating disease and AITD were identified and their clinical and radiological features were recorded. Blood and DNA were collected and tested for HLA type and for the response of T cells and antibodies to a variety of antigens...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28527063/the-role-of-anti-cgrp-antibodies-in-the-pathophysiology-of-primary-headaches
#6
Piero Barbanti, Cinzia Aurilia, Luisa Fofi, Gabriella Egeo, Patrizia Ferroni
Calcitonin gene-related peptide (CGRP), a potent vasodilator and pain-signaling neuropeptide, is a validated therapeutic target for migraine and cluster headache. Four anti-CGRP monoclonal antibodies (mAbs) have been developed, representing the first specific, mechanism-based, migraine prophylactic treatment. CGRP mAbs demonstrated good efficacy coupled to excellent tolerability and safety in 5 phase II clinical trials. Notably, CGRP mAbs induced complete migraine remission in a patients' subset. To date, more than 20 phase III trials using CGRP mAbs for of episodic and chronic migraine and cluster headache prevention are ongoing...
May 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28527055/cluster-headache-present-and-future-therapy
#7
Massimo Leone, Alessandro Giustiniani, Alberto Proietti Cecchini
Cluster headache is characterized by severe, unilateral headache attacks of orbital, supraorbital or temporal pain lasting 15-180 min accompanied by ipsilateral lacrimation, rhinorrhea and other cranial autonomic manifestations. Cluster headache attacks need fast-acting abortive agents because the pain peaks very quickly; sumatriptan injection is the gold standard acute treatment. First-line preventative drugs include verapamil and carbolithium. Other drugs demonstrated effective in open trials include topiramate, valproic acid, gabapentin and others...
May 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28527051/new-treatments-for-headache
#8
Kasra Maasumi, Stewart J Tepper, Alan M Rapoport
Headache disorders are common worldwide and often disabling. Until recently, treatments were borrowed from other branches of neurology and medicine. Monoclonal antibodies targeting calcitonin gene-related peptide (CGRP) ligand and receptor, small molecule CGRP receptor antagonist gepants, serotonin1F agonists, new devices to deliver currently available drugs, and neuromodulation devices have recently been in the forefront of headache treatments that are rather specific for various headache disorders. These novel therapies are changing the field of headache medicine...
May 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28525684/223ra-dichloride-response-in-a-patient-with-paget-disease-and-bone-metastases-secondary-to-castration-resistant-prostate-cancer
#9
Lina García Cañamaque, Cristina Rioja Parada, Paloma García De la Peña
PURPOSE: Paget disease is commonly asymptomatic and discovered when an imaging test is performed for another clinical indication or when elevated serum alkaline phosphatase is found. Bone pain usually appears late in the disease process and is only present in a minority of patients. For diagnosis, X-ray and bone scan are the most recommended imaging methods; radionuclide imaging of the skeleton has become the standard, since it is the most sensitive test for detecting increased bone activity...
May 18, 2017: Tumori
https://www.readbyqxmd.com/read/28516219/decreased-sensory-nerve-excitation-and-bone-pain-associated-with-mouse-lewis-lung-cancer-in-trpv1-deficient-mice
#10
Hiroki Wakabayashi, Satoshi Wakisaka, Toru Hiraga, Kenji Hata, Riko Nishimura, Makoto Tominaga, Toshiyuki Yoneda
Bone pain is one of the most common and life-limiting complications of cancer metastasis to bone. Although the mechanism of bone pain still remains poorly understood, bone pain is evoked as a consequence of sensitization and excitation of sensory nerves (SNs) innervating bone by noxious stimuli produced in the microenvironment of bone metastases. We showed that bone is innervated by calcitonin gene-related protein (CGRP)(+) SNs extending from dorsal root ganglia (DRG), the cell body of SNs, in mice. Mice intratibially injected with Lewis lung cancer (LLC) cells showed progressive bone pain evaluated by mechanical allodynia and flinching with increased CGRP(+) SNs in bone and augmented SN excitation in DRG as indicated by elevated numbers of pERK- and pCREB-immunoreactive neurons...
May 17, 2017: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/28516132/life-threatening-hypercalcemia-during-prodrome-of-pneumocystis-jiroveci-pneumonia-in-an-immunocompetent-infant
#11
Judith Sebestyen VanSickle, Tarak Srivastava, Uri S Alon
Severe hypercalcemia in infants is usually attributed to genetic etiologies and less commonly to acquired ones. An 8-week-old girl presented with failure to thrive, mild respiratory distress, and life-threatening hypercalcemia (23.5 mg/dL). Serum 1,25(OH)2-vitamin D (1,25(OH)2-D) level was elevated and parathyroid hormone undetectable. Evaluation for genetic mutations and malignant etiologies of hypercalcemia was negative. Treatment with intravenous hydration, loop diuretic, and calcitonin failed to correct the hypercalcemia, which was subsequently controlled with bisphosphonate therapy...
2017: Global Pediatric Health
https://www.readbyqxmd.com/read/28515711/the-impact-of-glucagon-like-peptide-1-on-bone-metabolism-and-its-possible-mechanisms
#12
REVIEW
Chenhe Zhao, Jing Liang, Yinqiu Yang, Mingxiang Yu, Xinhua Qu
The impact of antidiabetic drugs on bone metabolism is drawing increasing attention due to the discovery of a correlation between type 2 diabetes mellitus (T2DM) and osteoporosis. Glucagon-like peptide-1 (GLP-1) receptor agonists are a novel and promising class of drugs for T2DM, which may also have clinical applications in bone tissue disorders. This review examines the impact of GLP-1 on bone metabolism, including enhancement of bone mineral density and improvement of bone quality. However, the precise effect of GLP-1 on fracture risk has not been unambiguously defined...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28514714/calcitonin-protects-chondrocytes-from-lipopolysaccharide-induced-apoptosis-and-inflammatory-response-through-mapk-wnt-nf-%C3%AE%C2%BAb-pathways
#13
Lai-Bo Zhang, Zhen-Tao Man, Wei Li, Wei Zhang, Xian-Quan Wang, Shui Sun
Calcitonin (CT) is an anti-absorbent, which has long been used for treatment of osteoporosis. However, little information is available about the effects of CT on osteoarthritis (OA). This study was mainly aimed to explore the effects of CT on the treatment of OA, as well as the underlying mechanisms. Chondrocytes were isolated from immature mice and then were incubated with lipopolysaccharide (LPS), CT, small interfering (si) RNA against bone morphogenetic protein (BMP)-2, and/or the inhibitors of MAPK/Wnt/NF-κB pathway...
May 14, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28508965/cinacalcet-in-hyperparathyroidism-management-after-pediatric-renal-transplantation
#14
Olivier Niel, Anne Maisin, Marie-Alice Macher, Michel Peuchmaur, Georges Deschênes
Secondary hyperparathyroidism is often associated with end stage renal disease; even after renal transplantation, hyperparathyroidism may persist, and is responsible for hypercalcemia, hypophosphatemia and elevated parathyroid hormone (iPTH) levels. Parathyroid hyperplasia is frequently associated with persistent hyperparathyroidism, and may require a surgical treatment. Here, we report hyperparathyroidism along with parathyroid hyperplasia in a 7-year-old child, which persisted after renal transplant. Calcitonin and pamidronate failed to decrease serum calcium levels; clodronate was also inefficient...
November 2016: CEN Case Reports
https://www.readbyqxmd.com/read/28507480/electro-acupuncture-promotes-the-proliferation-of-neural-stem-cells-and-the-survival-of-neurons-by-downregulating-mir-449a-in-rat-with-spinal-cord-injury
#15
Yi Zhu, Yaochi Wu, Rong Zhang
The aim of this study is to investigate the mechanism of electro-acupuncture (EA) on the recovery of injured spinal cord. Rats were randomly divided into normal control, sham-operated, SCI, SCI+EA group and T10 segment spinal cord injury (SCI) rat model was established by the modified Allen's method. After 7 days, the mRNA and protein expression of Nestin, neuron specific nuclear protein (NeuN) and calcitonin gene related peptide (CGRP) were detected by real time RT-PCR, Western blot and immunohistochemistry respectively...
2017: EXCLI journal
https://www.readbyqxmd.com/read/28506418/timing-and-extension-of-lymphadenectomy-in-medullary-thyroid-carcinoma-a-case-series-from-a-single-institution
#16
Andrea Polistena, Alessandro Sanguinetti, Roberta Lucchini, Sergio Galasse, Massimo Monacelli, Stefano Avenia, Andrea Boccolini, Louis Banka Johnson, Nicola Avenia
BACKGROUND: Medullary thyroid carcinoma is an aggressive tumor and presents with significant morbidity and mortality and a high rate of lymph node metastases. The combination of total thyroidectomy and cervical lymphadenectomy is the essential treatment for those patients presenting with cervical lymph node metastases. MATERIALS AND METHODS: A retrospective analysis of 117 patients operated for medullary thyroid carcinoma over a period of 15 years at a single institution...
May 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28501979/endocrine-cells-producing-peptide-hormones-in-the-intestine-of-nile-tilapia-distribution-and-effects-of-feeding-and-fasting-on-the-cell-density
#17
Raquel Tatiane Pereira, Thaiza Rodrigues de Freitas, Izabela Regina Cardoso de Oliveira, Leandro Santos Costa, Fabricio Andrés Vigliano, Priscila Vieira Rosa
Endocrine cells (ECs) act as a luminal surveillance system responding to either the presence or absence of food in the gut through the secretion of peptide hormones. The aim of this study was to analyze the effects of feeding and fasting on the EC peptide-specific distribution along the intestine of Nile tilapia. We assessed the density of ECs producing gastrin (GAS), cholecystokinin-8 (CCK-8), neuropeptide Y (NPY), and calcitonin gene-related peptide (CGRP) in nine segments of the intestine using immunohistochemistry...
May 13, 2017: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/28501939/dianthin-30-or-gelonin-versus-monomethyl-auristatin-e-each-configured-with-an-anti-calcitonin-receptor-antibody-are-differentially-potent-in-vitro-in-high-grade-glioma-cell-lines-derived-from-glioblastoma
#18
Roger Gilabert-Oriol, Sebastian G B Furness, Brett W Stringer, Alexander Weng, Hendrik Fuchs, Bryan W Day, Angela Kourakis, Andrew W Boyd, David L Hare, Mayank Thakur, Terrance G Johns, Peter J Wookey
We have reported that calcitonin receptor (CTR) is widely expressed in biopsies from the lethal brain tumour glioblastoma by malignant glioma and brain tumour-initiating cells (glioma stem cells) using anti-human CTR antibodies. A monoclonal antibody against an epitope within the extracellular domain of CTR was raised (mAb2C4) and chemically conjugated to either plant ribosome-inactivating proteins (RIPs) dianthin-30 or gelonin, or the drug monomethyl auristatin E (MMAE), and purified. In the high-grade glioma cell line (HGG, representing glioma stem cells) SB2b, in the presence of the triterpene glycoside SO1861, the EC50 for mAb2C4:dianthin was 10...
May 13, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28497257/-therapy-of-migranes
#19
D Holle-Lee, S Nägel, C Gaul
In migraine attack treatment analgesics such as nonsteroidal anti-inflammatory drugs and triptans can be utilized. The efficacy of acute attack treatment is relevant to prevent migraine chronification. For prophylactic treatment β‑blockers, tricyclic antidepressants, flunarizine, antiepileptics and onabotulinumtoxin A are available. There is evidence that some other substances (e. g. sartans) are also efficacious in this regard. Furthermore, nondrug approaches are essential in migraine therapy. Early education and prophylactic treatment of patients at risk may prevent from medication overuse headache...
May 11, 2017: Der Nervenarzt
https://www.readbyqxmd.com/read/28492437/continuous-intrathecal-infusion-of-cannabinoid-receptor-agonists-attenuates-nerve-ligation-induced-pain-in-rats
#20
Sheng-Jie Shiue, Hsien-Yu Peng, Chung-Ren Lin, Shih-Wei Wang, Ruey-Horng Rau, Jen-Kun Cheng
BACKGROUND AND OBJECTIVES: Cannabinoid receptors (CB1R/CB2R) are known to play important roles in pain transmission. In this study, we investigated the effects of continuous intrathecal infusion of CB1/2R agonists in the L5/6 spinal nerve ligation pain model. METHODS: Under isoflurane anesthesia, rats received nerve ligation and intrathecal catheter connected to an infusion pump. After surgery, saline (1 μL/h), CB1/2R agonist WIN55,212-2, CB1R agonist ACEA, or CB2R agonist AM1241 (1 μmol/h) was given intrathecally for 7 days...
May 10, 2017: Regional Anesthesia and Pain Medicine
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