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https://www.readbyqxmd.com/read/28821924/-89-zr-labeled-nivolumab-for-imaging-of-t-cell-infiltration-in-a-humanized-murine-model-of-lung-cancer
#1
Christopher G England, Dawei Jiang, Emily B Ehlerding, Brian T Rekoske, Paul A Ellison, Reinier Hernandez, Todd E Barnhart, Douglas G McNeel, Peng Huang, Weibo Cai
PURPOSE: Nivolumab is a human monoclonal antibody specific for programmed cell death-1 (PD-1), a negative regulator of T-cell activation and response. Acting as an immune checkpoint inhibitor, nivolumab binds to PD-1 expressed on the surface of many immune cells and prevents ligation by its natural ligands. Nivolumab is only effective in a subset of patients, and there is limited evidence supporting its use for diagnostic, monitoring, or stratification purposes. METHODS: (89)Zr-Df-nivolumab was synthesized to map the biodistribution of PD-1-expressing tumor infiltrating T-cells in vivo using a humanized murine model of lung cancer...
August 19, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28796839/tissue-specific-control-of-latent-cmv-reactivation-by-regulatory-t-cells
#2
Maha Almanan, Jana Raynor, Allyson Sholl, Mei Wang, Claire Chougnet, Rhonda D Cardin, David A Hildeman
Cytomegalovirus (CMV) causes a persistent, lifelong infection. CMV persists in a latent state and undergoes intermittent subclinical viral reactivation that is quelled by ongoing T cell responses. While T cells are critical to maintain control of infection, the immunological factors that promote CMV persistence remain unclear. Here, we investigated the role of regulatory T cells (Treg) in a mouse model of latent CMV infection using Foxp3-diphtheria toxin receptor (Foxp3-DTR) mice. Eight months after infection, MCMV had established latency in the spleen, salivary gland, lung, and pancreas, which was accompanied by an increased frequency of Treg...
August 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28769133/the-prevalence-of-ana-antibodies-anticentromere-antibodies-and-anti-cyclic-citrullinated-peptide-antibodies-in-patients-with-primary-sj%C3%A3-gren-s-syndrome-compared-to-patients-with-dryness-symptoms-without-primary-sj%C3%A3-gren-s-syndrome-confirmation
#3
Maria Maślińska, Małgorzata Mańczak, Bożena Wojciechowska, Brygida Kwiatkowska
OBJECTIVES: Our study analyses the prevalence of ANA, anti-SS-A, anti-SS-B, and ACA and ACPA antibodies in patients with pSS and with dryness symptoms without pSS confirmation, and the association of ACPA and ACA antibodies with specific clinical symptoms. MATERIALS AND METHODS: 113 patients were divided into two groups: I - with diagnosed pSS (N = 75); and II - with dryness without pSS evidence (N = 38). Diagnostics: indirect immunofluorescence (IF; Hep-2 cell line) of antinuclear antibodies (ANA), anti-SS-A anti-SS-B antibodies determined with semi-quantitative method, autoantibody profile (14 antigens, ANA Profil 3 EUROLINE); basic laboratory, ophthalmic examination tests, minor salivary gland biopsy with focus score (FS), joint and lung evaluation, and ESSDAI questionnaire (pSS activity)...
2017: Reumatologia
https://www.readbyqxmd.com/read/28757800/case-report-recurrent-mucoepidermoid-carcinoma-of-the-tongue-in-adult-female-patient-with-lung-cancer
#4
Arielle Rubin, John Davis, Karim Jreije, Henry Wu, Randy Oppenheimer
There is a steady rise in incidence of malignant salivary gland tumors in the United States, with mucoepidermoid carcinoma (MEC) the most frequent. Although 40% of MECs are found in the parotid gland, these lesions possess the capacity to develop anywhere along the aerodigestive tract. Here, we present a case of recurrent tongue MEC in a young adult female patient with history of lung malignancy and multiple brain metastases. Without a universally accepted management protocol for recurrent MECs, the current clinical practice uses tumor grade, location, and clinical progression to determine both prognosis and goals of care...
2017: Clinical Medicine Insights. Ear, Nose and Throat
https://www.readbyqxmd.com/read/28732801/bicarbonate-in-cystic-fibrosis
#5
REVIEW
Karl Kunzelmann, Rainer Schreiber, Hans Beat Hadorn
BACKGROUND: Cystic fibrosis (CF, mucoviscidosis) is caused by mutations in the gene encoding CF transmembrane conductance regulator (CFTR), which is a chloride and bicarbonate channel necessary for fluid secretion and extracellular alkalization. For a long time, research concentrated on abnormal Cl(-) and Na(+) transport, but neglected bicarbonate as a crucial factor in CF. METHODS: The present short review reports early findings as well as recent insights into the role of CFTR for bicarbonate transport and its defects in CF...
July 18, 2017: Journal of Cystic Fibrosis: Official Journal of the European Cystic Fibrosis Society
https://www.readbyqxmd.com/read/28707127/increased-incidence-of-respiratory-tract-cancers-in-people-living-near-portland-cement-plants-in-korea
#6
Sang-Yong Eom, Eun-Bi Cho, Moo-Kyung Oh, Sun-Seog Kweon, Hae-Sung Nam, Yong-Dae Kim, Heon Kim
PURPOSE: Portland cement contains carcinogens such as chromium and free silica, and hence, inhalation of cement dust can cause respiratory tract cancers. The purpose of this study was to determine whether living near a cement plant increases the risk of respiratory tract cancers. METHODS: The study population consisted of 341,793 people, all of whom lived in administrative districts within 3-km radius of ten cement plants in Korea. The respiratory tract cancer incidence data (International Classification of Diseases, ten revision code C00-C14 and C30-C34) for 2008-2012 were obtained from regional cancer registries...
July 13, 2017: International Archives of Occupational and Environmental Health
https://www.readbyqxmd.com/read/28705898/cellular-heterogeneity-in-the-ureteric-progenitor-niche-and-distinct-profiles-of-branching-morphogenesis-in-organ-development
#7
Elisabeth A Rutledge, Jean-Denis Benazet, Andrew P McMahon
Branching morphogenesis creates arborized epithelial networks. In the mammalian kidney, an epithelial progenitor pool at ureteric branch tips (UBT) creates the urine-transporting collecting system. Using region-specific mouse reporter strains, we performed an RNA-seq screen, identifying tip and stalk enriched gene sets in the developing collecting duct system. Detailed in situ hybridization studies of tip-enriched predictions identified UBT-enriched gene sets conserved between the mouse and human kidney. Comparative spatial analysis of their UBT niche expression highlighted distinct patterns of gene expression revealing novel molecular heterogeneity within the UBT progenitor population...
July 13, 2017: Development
https://www.readbyqxmd.com/read/28704186/comparative-characteristics-of-napsin-a-ttf-1-and-egfr-mutation-expression-in-mucinous-lung-cell-carcinomas
#8
Sylvia N Genova, Veselin T Belovezhdov, Stoyan N Bichev, Vladimir H Danev
BACKGROUND: Invasive mucinous lung adenocarcinomas are rare and account for 2%-10% of all lung adenocarcinoma cases. It is believed that Napsin A exhibits a weaker expression in mucinous adenocarcinomas compared with TTF1, but such correlation is still poorly researched. AIM: The aim of the study was to determine the frequency of mucinous to nonmucinous adenocarcinomas and compare specificity and sensitivity of monoclonal Napsin A with TTF1 in mucinous adenocarcinomas and define the frequency of EGFR mutations...
June 1, 2017: Folia Medica
https://www.readbyqxmd.com/read/28670072/primary-mucoepidermoid-carcinoma-of-the-lung-with-prominent-clear-cells
#9
David D Fink, Angela M Lomas, Anja C Roden, Prashant C Shah, Riyam T Zreik
Mucoepidermoid carcinoma of the lung is a rare malignancy of salivary gland-type origin. We report a case of a 21-year-old man with a right mainstem bronchus mass composed predominantly of clear cells. This case represents a rare primary pulmonary low-grade mucoepidermoid carcinoma positive for MAML2 rearrangement by fluorescence in situ hybridization with a prominent clear cell component.
July 2017: Proceedings of the Baylor University Medical Center
https://www.readbyqxmd.com/read/28668836/microrna-profiling-and-target-genes-related-to-metastasis-of-salivary-adenoid-cystic-carcinoma
#10
Xin Feng, Kyle Matsuo, Tan Zhang, Yunping Hu, Ashley C Mays, James D Browne, Xiaobo Zhou, Christopher A Sullivan
BACKGROUND/AIM: Perineural invasion and distant metastasis lead to a poor prognosis of adenoid cystic carcinoma and there is no effective therapy available. MicroRNAs (miRNAs) are small non-coding RNAs that regulate target gene expression, which can be biomarkers or therapeutic targets for certain cancer types. We aimed to identify miRNAs and their target genes possibly involved in metastasis of salivary gland adenoid cystic carcinoma (SACC). MATERIALS AND METHODS: Using Nanostring nCounter analysis, we examined miRNA expression in two SACC cell lines: SACC-83 and SACC-LM, with low and high lung metastasis rates, respectively...
July 2017: Anticancer Research
https://www.readbyqxmd.com/read/28655566/determination-of-suitable-reference-genes-for-rt-qpcr-analysis-of-murine-cytomegalovirus-in-vivo-and-in-vitro
#11
Marion Griessl, Michael Gutknecht, Charles H Cook
Reverse transcription quantitative PCR (RT-qPCR) is the most commonly used method to evaluate gene expression. Reliable qPCR results are highly dependent on accurate normalization using suitable reference genes. We investigated expression of commonly used reference genes during murine Cytomegalovirus (mCMV) infection and latency to determine those genes least perturbed by infection. Following mCMV infection in BALB/c mice, lung, salivary gland, liver, spleen and kidney were evaluated. Liver sinusoidal endothelial cells and NIH-3T3 cells were also evaluated...
June 26, 2017: Journal of Virological Methods
https://www.readbyqxmd.com/read/28653299/first-case-report-of-a-curative-wedge-resection-in-epithelial-myoepithelial-carcinoma-of-the-lung
#12
Lars Hagmeyer, L Tharun, S C Schäfer, K Hekmat, R Büttner, W Randerath
Epithelial-myoepithelial carcinoma is a well differentiated malignant neoplasm, which originates from the salivary glands. The primary pulmonary manifestation is rare-about 30 cases have been reported worldwide. In the literature, anatomical resection has been described as the standard surgical approach. In the presented case, a wedge resection was performed, with no evidence for tumor relapse in the follow-up reevaluation after 24 months. This is the first case report of a primary pulmonary epithelial-myoepithelial carcinoma that has been treated with a non-anatomical wedge resection and lymph node dissection as a curative approach...
June 26, 2017: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28649589/data-supporting-the-anticancer-activity-of-posterior-salivary-gland-psg-toxin-from-the-cuttlefish-sepia-pharaonis-ehrenberg-1831
#13
Ramachandran Karthik, Venkatesan Manigandan, Kumar Ebenezar, Raghavan Vijayashree, Ramachandran Saravanan
The data presented illustrated the in vitro anti-proliferative effect of the PSG toxin from the cuttlefish, Sepia pharaonis. The cytostatic potentials of the PSG toxin were determined by the lymphocyte migration inhibition assay. The PSG toxin (50 μg/ml) exhibited commendable inhibition of the migration of lymphocytes across the agarose gel matrix under the presence of lipopolysaccharide mitogen, with a mean migration index of 0.625. The cytotoxicity of the PSG toxin against selected cancer cell lines was determined using the MTT assay...
August 2017: Data in Brief
https://www.readbyqxmd.com/read/28636292/-head-and-neck-cancer-promising-results-of-immunotherapy
#14
Aurélie Sivade, Djamila Bensaid, Yan Monnier, Keyvan Shabafrouz, Hanan Bouchaab, Valérie Cristina
Immunotherapy, especially checkpoint inhibitors such as anti-PD1 and anti-PDL1 antibodies, has changed the standard of care and the prognosis of melanoma, but also more recently of lung cancer, renal cancer and Hodgkin lymphoma. Results of preliminary studies in head and neck squamous cell carcinoma (HNSCC) as well as in less frequent tumors of the region, such as nasopharyngeal carcinoma and high grade salivary gland carcinoma, are also promising. Indeed, in a recent phase 3 study, the PD1 inhibitor nivolumab has recently demonstrated a significant improvement in overall survival for platin-resistant recurrent and/or metastatic HNSCC...
May 17, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28628162/-distant-metastases-of-malignant-salivary-gland-carcinoma-after-treated-by-125-i
#15
(no author information available yet)
OBJECTIVE: To investigate clinical features of distant metastases from malignant salivary gland carcinomas after treated by (125)I internal brachy therapy alone. METHODS: Between 2002 and 2010, 43 patients with locally advanced unresectable or recurrent malignant salivary gland carcinomas were treated by (125)I internal brachy therapy alone at Peking University School and Hospital of Stomatology. All of them had been follow-up at least 2 years. The primary sites of malignant salivary gland carcinomas were the parotid for 12 patients, infratemporal fossa for 9 patients, tongue for 7 patients, maxilla for 6 patients, parapharyngeal for 4 patients, floor of months for 3 patients, submandibular gland for 1 patient, and lip for 1 patient...
June 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28614225/immunoglobulin-g4-related-disease-preceded-by-lung-involvement-a-case-report
#16
Miki Abo, Hazuki Takato, Satoshi Watanabe, Kazumasa Kase, Tamami Sakai, Hayato Koba, Johsuke Hara, Takashi Sone, Hideharu Kimura, Kazuo Kasahara
RATIONALE: Immunoglobulin G4-related disease (IgG4-RD) is a systemic condition involving various organs and vessels including the pancreas, bile duct, salivary glands, periorbital tissues, kidneys, lungs, lymph nodes, meninges, and aorta. Recently, some cases of IgG4-RD have been reported, in which only pulmonary lesions were present. It is not known whether IgG4-RD can be diagnosed on the basis of pulmonary lesions only, because increases in serum IgG4 levels and infiltration of IgG4-positive plasma cells into the lung tissue also occur in other inflammatory conditions...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28593065/high-expression-of-galectin-3-in-patients-with-igg4-related-disease-a-proteomic-approach
#17
Adeeb Salah, Hajime Yoshifuji, Shinji Ito, Koji Kitagori, Kaori Kiso, Norishige Yamada, Toshiki Nakajima, Hironori Haga, Tatsuaki Tsuruyama, Aya Miyagawa-Hayashino
OBJECTIVES: Immunoglobulin G4-related disease (IgG4-RD) is a multiorgan condition manifesting itself in different forms. This study aimed to investigate protein expression profiles and to find the possible biomarker for IgG4-RD by liquid chromatography mass spectrometry (LC-MS) using tissue sections in IgG4-RD patients. METHODS: Protein expression profiles in five IgG4-related pancreatitis and three normal pancreatic samples were compared using LC-MS and were validated by quantitative real-time PCR (qRT-PCR), immunoblotting, and immunohistochemistry...
2017: Pathology Research International
https://www.readbyqxmd.com/read/28588783/salivary-duct-carcinoma-treated-with-cetuximab-based-targeted-therapy-a-case-report
#18
Kenta Kawahara, Akimitsu Hiraki, Ryoji Yoshida, Hidetaka Arita, Yuichiro Matsuoka, Toshio Yamashita, Kan-Ichi Koga, Masashi Nagata, Akiyuki Hirosue, Daiki Fukuma, Hideki Nakayama
Salivary duct carcinoma is a highly aggressive disease with a poor prognosis. Surgical resection is currently the only curative treatment, as there is no effective systemic therapy for this malignancy. Recently, trastuzumab has been shown to exhibit therapeutic efficacy in the treatment of salivary duct carcinoma; similarly, molecularly targeted agents, such as cetuximab, are expected to be useful for salivary duct carcinoma treatment. We herein describe the case of a 56-year-old man diagnosed with salivary duct carcinoma in the left submandibular region, with ipsilateral multiple metastases to the neck lymph nodes...
June 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28551643/clinical-outcomes-and-prognostic-factors-of-adenoid-cystic-carcinoma-of-the-head-and-neck
#19
Samuel Jang, Priyesh N Patel, Randall J Kimple, Timothy M McCulloch
BACKGROUND: Adenoid cystic carcinoma (ACC) is a salivary gland malignancy with unpredictable growth and poorly understood prognostic factors. PATIENTS AND METHODS: A database search of patients treated at a single Institution was used to identify patients with histologically-confirmed ACC. Patient, tumor, and treatment characteristics were examined via review of medical records. RESULTS: Overall survival of 70 patients identified at 5, 10, and 15 years was 80...
June 2017: Anticancer Research
https://www.readbyqxmd.com/read/28526333/systemic-manifestations-of-primary-sj%C3%A3-gren-s-syndrome-in-the-nod-b10sn-h2-b-j-mouse-model
#20
Jeremy Kiripolsky, Long Shen, Yichen Liang, Alisa Li, Lakshmanan Suresh, Yun Lian, Quan-Zhen Li, Daniel P Gaile, Jill M Kramer
Animal models that recapitulate human disease are crucial for the study of Sjögren's Syndrome (SS). While several SS mouse models exist, there are few primary SS (pSS) models that mimic systemic disease manifestations seen in humans. Similar to pSS patients, NOD.B10Sn-H2(b)/J (NOD.B10) mice develop exocrine gland disease and anti-nuclear autoantibodies. However, the disease kinetics and spectrum of extra-glandular disease remain poorly characterized in this model. Our objective was to characterize local and systemic SS manifestations in depth in NOD...
May 17, 2017: Clinical Immunology: the Official Journal of the Clinical Immunology Society
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