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https://www.readbyqxmd.com/read/27902356/luciferase-tagged-wild-type-and-tropism-deficient-mouse-cytomegaloviruses-reveal-early-dynamics-of-host-colonization-following-peripheral-challenge
#1
Helen Farrell, Martha Oliveira, Kate Macdonald, Joseph Yunis, Michael Mach, Kimberley Bruce, Philip Stevenson, Rhonda Cardin, Nicholas Davis-Poynter
Cytomegaloviruses (CMVs) establish persistent, systemic infections and cause disease by maternal-fetal transfer, suggesting that their dissemination is a key target for anti-viral intervention. Late clinical presentation has meant that human CMV dissemination is not well understood. Murine CMV provides a tractable model. Whole mouse imaging of virus-expressed luciferase has proved a useful way to track systemic infections. MCMV, in which the abundant lytic gene M78 was luciferase tagged via a self-cleaving peptide (M78-LUC), allowed serial, unbiased imaging of systemic and peripheral infection without significant virus attenuation...
October 26, 2016: Journal of General Virology
https://www.readbyqxmd.com/read/27891304/metastasis-to-the-oral-soft-tissues-a-review-of-412-cases
#2
REVIEW
Soussan Irani
The present review article analyzes the characteristics of metastases to the oral soft tissues from 1937 to 2015. An extensive literature search was performed. All variables such as age, gender, and primary and secondary tumor sites were analyzed. Metastases to the major salivary glands were not included in this review. In general, there were 412 metastatic lesions developed in the oral soft tissues. The male-to-female ratio was approximately 1.8:1. The mean age of the patients at diagnosis was 58. The lung was the most common primary site and the gingiva was the most common metastatic site...
September 2016: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/27864697/characteristics-of-primary-sj%C3%A3-gren-s-syndrome-patients-with-igg4-positive-plasma-cells-infiltration-in-the-labial-salivary-glands
#3
Chang Liu, Huayong Zhang, Genhong Yao, Yunxia Hu, Jingjing Qi, Yan Wang, Weiwei Chen, Xiaojun Tang, Wenchao Li, Liwei Lu, Luo Gu, Lingyun Sun
The purpose of this study was to investigate the characteristics of primary Sjögren's syndrome (pSS) patients with IgG4 positive (IgG4(+)) plasma cell infiltration in labial salivary glands (LSGs). Paraffin sections of LSGs from 336 pSS patients were stained with IgG4 and IgG monoclonal antibodies. According to the infiltration of IgG4(+) plasma cells, patients were divided and clinical and serological characteristics were analyzed and compared. Based on the infiltration of IgG4(+) plasma cells in the LSGs, patients were divided into three subgroups, low IgG4, moderate IgG4, and high IgG4 groups...
November 18, 2016: Clinical Rheumatology
https://www.readbyqxmd.com/read/27864182/pleuromediastinal-epithelial-myoepithelial-carcinomas-a-clinicopathologic-and-immunohistochemical-study-of-two-cases
#4
Annikka Weissferdt, Neda Kalhor, Cesar A Moran
OBJECTIVES: Two cases of epithelial-myoepithelial carcinoma are presented, one arising in the pleura and the other in the anterior mediastinum. The cases represent a unique distribution of these tumors within the thoracic cavity. METHODS: Both patients were men aged 25 and 68 years, respectively, who had chest pain and dyspnea. Imaging revealed an anterior mediastinal mass in one patient and a pleural-based tumor in the other. Neither patient had any history of malignancy, and physical examination did not disclose any tumor elsewhere...
November 17, 2016: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/27857093/rheumatoid-arthritis-an-update-for-general-dental-practitioners
#5
S de Souza, R K Bansal, J Galloway
Rheumatoid arthritis (RA) is a common chronic inflammatory autoimmune disorder which significantly impacts patients' lives and can lead to permanent disability. Inflammation in RA not only affects joints; but can affect organs including the heart and lungs. Early diagnosis, initiation of intensive drug therapy, and a multidisciplinary care approach have vastly improved the long-term prognosis for those living with the condition. However, RA patients often present with co-morbidities which add to the complexity of clinical management...
November 18, 2016: British Dental Journal
https://www.readbyqxmd.com/read/27832170/carotid-catheterization-and-automated-blood-sampling-induce-systemic-il-6-secretion-and-local-tissue-damage-and-inflammation-in-the-heart-kidneys-liver-and-salivary-glands-in-nmri-mice
#6
Anne Charlotte Teilmann, Björn Rozell, Otto Kalliokoski, Jann Hau, Klas S P Abelson
Automated blood sampling through a vascular catheter is a frequently utilized technique in laboratory mice. The potential immunological and physiological implications associated with this technique have, however, not been investigated in detail. The present study compared plasma levels of the cytokines IL-1β, IL-2, IL-6, IL-10, IL-17A, GM-CSF, IFN-γ and TNF-α in male NMRI mice that had been subjected to carotid artery catheterization and subsequent automated blood sampling with age-matched control mice. Body weight and histopathological changes in the surgical area, including the salivary glands, the heart, brain, spleen, liver, kidneys and lungs were compared...
2016: PloS One
https://www.readbyqxmd.com/read/27826253/multiple-cranial-organ-defects-after-conditionally-knocking-out-fgf10-in-the-neural-crest
#7
Tathyane H N Teshima, Silvia V Lourenco, Abigail S Tucker
Fgf10 is necessary for the development of a number of organs that fail to develop or are reduced in size in the null mutant. Here we have knocked out Fgf10 specifically in the neural crest driven by Wnt1cre. The Wnt1creFgf10fl/fl mouse phenocopies many of the null mutant defects, including cleft palate, loss of salivary glands, and ocular glands, highlighting the neural crest origin of the Fgf10 expressing mesenchyme surrounding these organs. In contrast tissues such as the limbs and lungs, where Fgf10 is expressed by the surrounding mesoderm, were unaffected, as was the pituitary gland where Fgf10 is expressed by the neuroepithelium...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27822066/inhibitory-effects-of-silibinin-on-proliferation-and-lung-metastasis-of-human-high-metastasis-cell-line-of-salivary-gland-adenoid-cystic-carcinoma-via-autophagy-induction
#8
Canhua Jiang, Shufang Jin, Zhisheng Jiang, Jie Wang
OBJECTIVE: To investigate the possible mechanisms and effects of silibinin (SIL) on the proliferation and lung metastasis of human lung high metastasis cell line of salivary gland adenoid cystic carcinoma (ACC-M). METHODS: A methyl thiazolyl tetrazolium assay was performed to detect the inhibitory effects of SIL on the proliferation of ACC-M cells in vitro. Fluorescence microscopy and transmission electron microscopy were used to observe the autophagic process. Western blot was performed to detect the expression of microtube-related protein 1 light-chain 3 (LC3)...
2016: OncoTargets and Therapy
https://www.readbyqxmd.com/read/27793123/invasive-myoepithelial-carcinoma-ex-pleomorphic-adenoma-of-the-major-salivary-gland-two-case-reports
#9
Takahiro Wakasaki, Marie Kubota, Yutaka Nakashima, Eri Tomonobe, Takenao Mihara, Junichi Fukushima
BACKGROUND: Myoepithelial carcinoma (MEC) is a rare salivary gland tumor. Its long-term prognosis remains unknown because of the paucity of reported cases with long-term follow-up. Although some case series exist, the clinical features of MEC vary considerably depending on the site of origin. Therefore, accumulation of these rare cases is important. CASE PRESENTATION: Case 1: An 89-year-old man presented with a 10-year history of a mass originating from the right parotid gland and involving the neck...
October 28, 2016: BMC Cancer
https://www.readbyqxmd.com/read/27790959/igg4-related-syndrome-another-multiorgan-disease-in-the-interest-field-of-internal-medicine
#10
Antonino Tuttolomondo, Irene Simonetta, Domenico Di Raimondo, Tiziana Di Chiara, Roberta Conigliaro, Francesca Corpora, Valerio Vassallo, Antonio Pinto
BACKGROUND: IgG4-related disease is a rare, clinical and pathologic disease entity of unknown etiology. Its main features are increased serum concentrations of IgG4 > 1,35 g/l, lymphocyte and IgG4+plasma-cell infiltration within tissues, fibrosis or sclerosis. The classical presentation of IgG4-RSD is pancreatitis which is combined with the involvement of biliary ducts in 74 percent of patients. Extrapancreatic manifestations include: abdominal or mediastinal lymphadenopathy; the involvement of salivary glands and lacrimal glands, kidneys, lung, retroperitoneum...
2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/27766198/igg4-related-lung-disease-extending-to-the-thoracic-vertebrae
#11
Alexandros Stamatopoulos, Davide Patrini, Efstratios Koletsis, Elaine Borg, Reena Khiroya, Martin Hayward, David Lawrence, Nikolaos Panagiotopoulos
IgG4-related disease (IgG4-RD) is a fibroinflammatory condition that can affect practically every organ. Although it was first identified in pancreas and salivary glands, major organs like liver, biliary tree, kidney, thyroid glands and lungs are commonly involved, sometimes resulting in organ failure. We describe a case of an 41-year-old man presented with back pain after a rotator cuff injury. A Computed Tomography (CT) revealed incidentally a right lower lobe paravertebral lesion extending across the T5 and T6 vertebral levels and invading into the adjacent pleural surface...
2016: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/27760189/the-cytoplasmic-c-tail-of-the-mouse-cytomegalovirus-7-transmembrane-receptor-homologue-m78-regulates-endocytosis-of-the-receptor-and-modulates-virus-replication-in-different-cell-types
#12
Nick Davis-Poynter, Joseph Yunis, Helen E Farrell
Virus homologues of seven-transmembrane receptors (7TMR) are encoded by all beta- and gammaherpesviruses, suggesting important functional roles. M78 of mouse cytomegalovirus (MCMV) is representative of a family of 7TMR conserved in all betaherpesviruses. M78 family members have been found to exhibit cell-type specific effects upon virus replication in tissue culture and to affect virus pathogenesis in vivo. We reported previously that M78, for which no ligands are known, undergoes rapid, constitutive endocytosis...
2016: PloS One
https://www.readbyqxmd.com/read/27755404/carcinoma-ex-pleomorphic-adenoma-of-the-tongue-difficulty-in-diagnosis-between-metastasis-of-breast-cancer-and-salivary-tumor
#13
Yuki Sakamoto, Shuichi Fujita, Masaki Adachi, Hiroshi Sakamoto, Tomofumi Naruse, Souichi Yanamoto, Toru Ikeda, Masahiro Umeda
Carcinoma ex pleomorphic adenoma (CEPA) is a carcinoma that shows histologic evidence of arising in or from a benign pleomorphic adenoma. Carcinoma ex pleomorphic adenoma often occurs in parotid glands, but is extremely rarely in the tongue. A 53-year-old Japanese woman was referred to the Department of Oral and Maxillofacial Surgery, Nagasaki University Hospital, because of tumor of the right dorsum tongue. She had a history of surgery of breast cancer (invasive ductal carcinoma) and it was disseminated to the lung and bone...
October 14, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27733479/a-phase-i-clinical-trial-and-independent-patient-derived-xenograft-study-of-combined-targeted-treatment-with-dacomitinib-and-figitumumab-in-advanced-solid-tumors
#14
Emiliano Calvo, Jean-Charles Soria, Wen Wee Ma, Tao Wang, Rastilav Bahleda, Anthony Tolcher, Diana Gernhardt, Joseph O'Connell, Robert Millham, Nagdeep Giri, Michael J Wick, Alex A Adjei, Manuel Hidalgo
PURPOSE: This phase I, open-label, single-arm trial assessed the safety and tolerability of dacomitinib-figitumumab combination therapy in patients with advanced solid tumors. EXPERIMENTAL DESIGN: A standard 3+3 dose escalation/de-escalation design was utilized. Starting doses were figitumumab 20 mg/kg administered intravenously once every 3 weeks (q3w) and dacomitinib 30 mg administered orally once daily. We also performed an independent study of the combination in patient-derived xenograft (avatar mouse) models of adenoid cystic carcinoma (ACC)...
October 12, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/27721632/oral-adenosquamous-carcinoma-report-of-a-rare-entity-with-a-special-insight-on-its-histochemistry
#15
Taneeru Sravya, Guttikonda Venkateswara Rao, Manchikatla Praveen Kumar, K Sudheerkanth
Adenosquamous carcinoma (ASC) of the head and neck (H and N) is an aggressive variant of squamous cell carcinoma (SCC). They are described as SCC subtype with high infiltrative capacity and also presents with dual histomorphology, having both squamous and glandular cell components. ASC of the H and N region is considered as a controversial tumor, as it is similar to salivary gland mucoepidermoid carcinoma. It has been described in a variety of body sites, including uterine cervix, lung and pancreas. ASC rarely develops in the upper aerodigestive tract, particularly in the oral cavity...
September 2016: Journal of Oral and Maxillofacial Pathology: JOMFP
https://www.readbyqxmd.com/read/27646889/-clinicopathologic-features-and-epidermal-growth-factor-receptor-gene-mutation-of-primary-pulmonary-mucoepidermoid-carcinoma
#16
Y Huang, C Y Wu, W Wu, L K Hou, L P Zhang
OBJECTIVE: To investigate the clinicopathological features and epidermal growth factor receptor (EGFR) gene mutation of primary pulmonary mucoepidermoid carcinoma (PMC). METHODS: Fifth-five cases of PMC were included in the study; their clinicopathological, immunohistochemical features were evaluated, and in 31 cases, paraffin embedded specimens were subjected to mutation analysis of exons 18, 19, 20 and 21 of the EGFR gene by ARMS method. RESULTS: There were 32 females and 23 males...
September 8, 2016: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/27638684/a-little-cooperation-helps-murine-cytomegalovirus-go-a-long-way-co-infection-between-mcmvs-rescues-a-viral-chemokine-salivary-gland-defect
#17
Pranay Dogra, Mindy Miller-Kittrell, Elisabeth Pitt, Joseph W Jackson, Tom Masi, Courtney Copeland, Shuen Wu, William Miller, Tim Sparer
Cytomegaloviruses (CMVs) produce chemokines (vCXCLs) that have both sequence and functional homology to host chemokines. Assessment of vCXCL-1's role in CMV infection is limited to in vitro and in silico analysis due to CMV's species specificity. In this study, we used the murine CMV (MCMV) mouse model to evaluate the function of vCXCL-1 in vivo. Recombinant MCMVs expressing chimpanzee CMV vCXCL-1 (vCXCL-1CCMV) or host chemokine, mCXCL1, under went primary dissemination to the popliteal lymph node, spleen, and lung similar to the parental MCMV...
September 13, 2016: Journal of General Virology
https://www.readbyqxmd.com/read/27636353/fusion-proteins-in-head-and-neck-neoplasms-clinical-implications-genetics-and-future-directions-for-targeting
#18
Derek A Escalante, He Wang, Christopher E Fundakowski
Fusion proteins resulting from chromosomal rearrangements are known to drive the pathogenesis of a variety of hematological and solid neoplasms such as chronic myeloid leukemia and non-small-cell lung cancer. Efforts to elucidate the role they play in these malignancies have led to important diagnostic and therapeutic triumphs, including the famous development of the tyrosine kinase inhibitor dasatinib targeting the BCR-ABL fusion. Until recently, there has been a paucity of research investigating fusion proteins harbored by head and neck neoplasms...
August 15, 2016: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/27609403/the-function-of-heparan-sulfate-during-branching-morphogenesis
#19
Vaishali N Patel, Dallas L Pineda, Matthew P Hoffman
Branching morphogenesis is a fundamental process in the development of diverse epithelial organs such as the lung, kidney, liver, pancreas, prostate, salivary, lacrimal and mammary glands. A unifying theme during organogenesis is the importance of epithelial cell interactions with the extracellular matrix (ECM) and growth factors (GFs). The diverse developmental mechanisms giving rise to these epithelial organs involve many organ-specific GFs, but a unifying paradigm during organogenesis is the regulation of GF activity by heparan sulfates (HS) on the cell surface and in the ECM...
September 5, 2016: Matrix Biology: Journal of the International Society for Matrix Biology
https://www.readbyqxmd.com/read/27604517/-68-ga-ca-phytate-particles-a-potential-lung-perfusion-agent-of-synthetic-origin-prepared-in-a-cold-kit-format
#20
William Hsieh, Masood Ali, Renee Praehofer, Chris Tsopelas
The objective of this study was to investigate the radiosynthesis of (68) Ga-Ca-phytate particles and then characterize the formulation for radiochemical purity, radioactive particle size distribution, and biodistribution in normal rats. This radiotracer was prepared using a commercial phytate cold kit after reconstitution with saline, (68) Ga-chloride generator eluent, calcium chloride, and air, then heating at 100°C for 30 minutes to achieve 99% radiochemical purity of (68) Ga-particles that were 21% 3-5 μm, 8% 5-15 μm, and 71% >15 μm in diameter...
October 2016: Journal of Labelled Compounds & Radiopharmaceuticals
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