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https://www.readbyqxmd.com/read/28214425/favorable-cardiovascular-risk-factor-profile-is-associated-with-lower-healthcare-expenditure-and-resource-utilization-among-adults-with-diabetes-mellitus-free-of-established-cardiovascular-disease-2012-medical-expenditure-panel-survey-meps
#1
David I Feldman, Javier Valero-Elizondo, Joseph A Salami, Jamal S Rana, Oluseye Ogunmoroti, Chukwuemeka U Osondu, Erica S Spatz, Salim S Virani, Ron Blankstein, Michael J Blaha, Emir Veledar, Khurram Nasir
BACKGROUND AND AIMS: Given the prevalence and economic burden of diabetes mellitus (DM), we studied the impact of a favorable cardiovascular risk factor (CRF) profile on healthcare expenditures and resource utilization among individuals without cardiovascular disease (CVD), by DM status. METHODS: 25,317 participants were categorized into 3 mutually-exclusive strata: "Poor", "Average" and "Optimal" CRF profiles (≥4, 2-3, 0-1 CRF, respectively). Two-part econometric models were utilized to study cost data...
February 9, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28214412/histiocytoses-emerging-neoplasia-behind-inflammation
#2
REVIEW
Julien Haroche, Fleur Cohen-Aubart, Barret J Rollins, Jean Donadieu, Frédéric Charlotte, Ahmed Idbaih, Augusto Vaglio, Omar Abdel-Wahab, Jean-François Emile, Zahir Amoura
Histiocytoses are disorders characterised by inflammation and the accumulation of cells derived from the monocyte and macrophage lineages, which results in tissue damage. Although they are often considered rare disorders with protean clinical manifestations, considerable advances in the understanding of their genetics have led to increased clinical recognition of these conditions, and fuelled further insights into their pathogenesis. In this Review, we describe insights into the cells of origin, molecular pathology, clinical features, and treatment strategies for some of the most common histiocytic disorders, including Langerhans cell histiocytosis, Erdheim-Chester disease, and Rosai-Dorfman disease...
February 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28214350/upregulation-of-microrna-15a-contributes-to-pathogenesis-of-abdominal-aortic-aneurysm-aaa-by-modulating-the-expression-of-cyclin-dependent-kinase-inhibitor-2b-cdkn2b
#3
Peng Gao, Jiyuan Si, Bin Yang, Jixiang Yu
BACKGROUND The objective of the present study was to identify the association between miR-15a-5p and CDKN2B, and their roles in regulating the development of abdominal aortic aneurysm (AAA). MATERIAL AND METHODS We searched the miRNA database online (www.mirdb.org) and used a luciferase reporter assay system to study the regulatory relationship between miR-15a-5p and CDKN2B. We also conducted real-time PCR and Western blot analysis to study the mRNA and protein expression level of CDKN2B among different patient groups (participants with abdominal aortic aneurysm (AAA) and normal controls) or cells treated with scramble control, miR-15a-5p mimics, CDKN2B siRNA, and miR-15a-5p inhibitors...
February 18, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28214331/pomc-maintains-tumor-initiating-properties-of-tumor-tissue-derived-long-term-cultured-breast-cancer-stem-cells
#4
Xiaoti Lin, Weiyu Chen, Fengqin Wei, Binhua P Zhou, Mien-Chie Hung, Xiaoming Xie
The identification and understanding of the molecular network of cancer stem cells (CSCs) have had a profound impact on our view of carcinogenesis and treatment strategy. Unfortunately, a major problem is that serial passages of CSCs from clinical solid tumor specimens currently are not available in any lab, and thus, reported data are difficult to confirm and intensively interrogated. Here, we have generated two tumor tissue-derived breast CSC (BCSC) lines that showed prolonged maintenance over 20 serial passages in vitro, while retaining their tumor-initiating biological properties...
February 18, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28214330/automated-microfluidic-sorting-of-mammalian-cells-labeled-with-magnetic-microparticles-for-those-that-efficiently-express-and-secrete-a-protein-of-interest
#5
Xuan Droz, Niamh Harraghy, Etienne Lançon, Valérie Le Fourn, David Calabrese, Thierry Colombet, Pascal Liechti, Amar Rida, Pierre-Alain Girod, Nicolas Mermod
We developed a method for the fast sorting and selection of mammalian cells expressing and secreting a protein at high levels. This procedure relies on cell capture using an automated microfluidic device handling antibody-coupled magnetic microparticles and on a timed release of the cells from the microparticles after capture. Using clinically compatible materials and procedures, we show that this approach is able to discriminate between cells that truly secrete high amounts of a protein from those that just display it at high levels on their surface without properly releasing it...
February 18, 2017: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/28214312/update-treatment-of-necrobiosis-lipoidica
#6
REVIEW
Melanie Peckruhn, Jörg Tittelbach, Peter Elsner
Necrobiosis lipoidica (NL) is a rare granulomatous disease of hitherto unclear etiology frequently seen in patients with diabetes. Characterized by its potential for ulcerations, it often presents a serious burden for those affected. There are currently neither German nor European guidelines for the treatment of NL. At the same time, standard treatment with topical or intralesional corticosteroids does not always show satisfactory results. We therefore set out to evaluate whether the various treatment regimens published since 2000 have actually expanded the therapeutic armamentarium in a relevant manner...
February 2017: Journal der Deutschen Dermatologischen Gesellschaft, Journal of the German Society of Dermatology: JDDG
https://www.readbyqxmd.com/read/28214304/efficacy-and-safety-of-fumaric-acid-esters-in-combination-with-phototherapy-in-patients-with-moderate-to-severe-plaque-psoriasis-fast
#7
Peter Weisenseel, Kristian Reich, Wiebke Griemberg, Katharina Merten, Christine Gröschel, Natalie Nunez Gomez, Kirsi Taipale, Beate Bräu, Ina Zschocke
BACKGROUND: While treatment of patients with moderate-to-severe psoriasis using a combination of fumaric acid esters (FAE, Fumaderm(®) ) and phototherapy (UV) is common practice, there have been hardly any studies investigating this regimen. Available information is limited to data from a small pilot study. The objective of the present study was to evaluate FAE/UV combination therapy in a larger patient cohort with moderate-to-severe psoriasis. PATIENTS AND METHODS: In this prospective noninterventional multicenter study, data from patients treated with FAE/UV combination therapy was assessed with regard to efficacy (PGA' PASI, DLQI, EQ-5D), safety, and dosage over a twelve-month period...
February 2017: Journal der Deutschen Dermatologischen Gesellschaft, Journal of the German Society of Dermatology: JDDG
https://www.readbyqxmd.com/read/28214285/-local-failures-of-nasopharynx-carcinoma-anatomoclinical-aspects-and-therapeutic-results
#8
L Ghorbal, F Elloumi, W Siala, A Khabir, A Ghorbel, M Frikha, J Daoud
PURPOSE: Retrospective analysis of clinical aspects and therapeutic results of nasopharynx cancer local failures. PATIENTS AND METHODS: Forty patients with local failure with or without nodal involvement of nasopharyngeal carcinoma were treated between 1993 and 2013. Reirradiation of nasopharynx was delivered at the dose of 60Gy. Platinum-based chemotherapy was indicated in case of locally advanced disease and/or associated nodal failure. RESULTS: The mean age at diagnosis of primitive tumour was 41...
February 14, 2017: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/28214273/candidaemia-due-to-candida-parapsilosis-species-complex-at-a-hospital-in-brazil-clinical-characteristics-and-antifungal-susceptibility-profile
#9
Débora de Souza Olartechea de Alencar, Rosianne Assis de Sousa Tsujisaki, Fernanda Luiza Espinosa Spositto, Maína de Oliveira Nunes, Adriana Araújo de Almeida, Marilena Dos Anjos Martins, Marcia de Souza Carvalho Melhem, Marilene Rodrigues Chang
BACKGROUND: Recent decades have seen a global emergence of candidaemia caused by non-Candida albicans Candida species, particularly the Candida parapsilosis complex. AIMS: To evaluate the clinical features and antifungal susceptibility profiles of isolates belonging to the C. parapsilosis species complex in patients with candidaemia in a midwestern Brazilian tertiary-care teaching hospital. METHODS: Yeast identification was performed using an automated Vitek 2 Compact system...
February 14, 2017: Revista Iberoamericana de Micología
https://www.readbyqxmd.com/read/28214261/chemotherapy-in-primary-osteogenic-sarcoma-in-patients-over-the-age-of-forty
#10
Bulent Ozkurt, Kerem Basarir, Bulent Yalcin, Abdullah Merter, Yusuf Yildiz, Yener Saglik
OBJECTIVE: In this study, we sought to review the clinical and histopathological features and the chemotherapy regimens in osteogenic sarcoma in patients over 40 years of age, and we aimed at identifying the possible prognostic factors in this particular group of patients. METHODS: We reviewed 287 patients with osteosarcoma treated between the year 1986 and 2010. Patients from this group who met the following criteria were considered eligible for our study; presence of primary OS, had typical histological and radiographic features of OS, no prior history of cancer or any treatment elsewhere and no prior history of preexisting bone abnormalities...
February 14, 2017: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/28214231/mechanisms-of-action-and-structure-activity-relationships-of-cytotoxic-flavokawain-derivatives
#11
Charlotte Thieury, Nicolas Lebouvier, Rémy Le Guével, Yann Barguil, Gaëtan Herbette, Cyril Antheaume, Edouard Hnawia, Yoshinori Asakawa, Mohammed Nour, Thierry Guillaudeux
22 Flavokawain derivatives (FKd) were obtained by one step syntheses in order to conduct a SAR study to understand the structural requirements for optimum and selective cytotoxicity. FKd and natural flavokawains A and B found into kava, a South Pacific traditional beverage, were evaluated against nine cancer and one healthy cell lines. The targeted cell cycle phases as well as the effects on the induction of apoptosis and cell cycle protein levels were investigated. Therapeutic improvements (more activity and selectivity) were achieved with FKd compared to natural flavokawains and notably with the 2',3,4',6'-tetramethoxychalcone (FKd 19)...
February 6, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28214207/microrna-155-targets-map3k10-and-regulates-osteosarcoma-cell-growth
#12
Chuangjian Wang, Xiaobo Zhang, Chunlin Zhang, Fuying Zhai, Ying Li, Zongqiang Huang
Osteosarcoma is the most common type of bone cancer prevalent in young adults. Recent studies suggested that aberrant microRNA expression plays an essential role in osteosarcoma pathogenesis. In this study, we found miR-155 up-regulation in different osteosarcoma cell lines U2OS, Saos-2 and MG-63. Through bioinformatic prediction and analysis, we identified its target MAP3K10 that involved in cell proliferation and apoptosis. This work demonstrates novel interaction between microRNA, intercellular MAPK signaling and apoptosis in osteosarcoma, which will provide targets for therapeutic development...
February 1, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28214201/up-regulation-of-pim-3-in-chronic-obstructive-pulmonary-disease-copd-patients-and-its-potential-therapeutic-role-in-copd-rat-modeling
#13
Cheng Yang, Li Li, Junhua Guo, Weiqiang Zhang, Wenbiao Zhu, Xinhui Rao, Wenjie Huang
BACKGROUND: Pim-3 belongs to the PIM kinase family and plays an important role in promoting inflammation, which is essential in the pathogenesis of Chronic Obstructive Pulmonary Disease (COPD). METHODS: Immunohistochemistry (IHC), western blot, and RT-PCR analyses were performed to assess the expression of Pim-3 in both COPD and healthy lung tissue samples. SMA (Smooth Muscle Actin) and Cyclin D1 expression were detected by IHC. We also constructed animal models for the control, COPD, and Pim-3 inhibition groups, in order to analyze the effects of Pim-3 inhibition on COPD, and the role of Pim-3 in the p38 pathway...
January 29, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28214200/concurrent-met-copy-number-gain-and-kras-mutation-is-a-poor-prognostic-factor-in-pancreatobiliary-subtype-ampullary-cancers
#14
Mi Jung Kwon, Jeong Won Kim, Jang Yong Jeon, Eun Sook Nam, Seong Jin Cho, Hye-Rim Park, Soo Kee Min, Jinwon Seo, Kyueng-Whan Min, Ji-Young Choe, Hye Kyung Lee
Hepatocyte growth factor (HGF) and MET are candidates of targeted therapies for cancer patients. Although MET and HGF are commonly expressed in biliary tract cancers, their expression and gene copy number status and their association with KRAS mutations have not been investigated in pancreatobiliary-type ampullary adenocarcinomas (A-ACs), one of the aggressive periampullary cancers. MET and HGF expressions and MET copy number status were examined by performing immunohistochemistry (IHC) and silver in situ hybridization (SISH) in 62 surgically resected, paraffin-embedded tumors, respectively...
January 11, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28214198/tumor-derived-cd4-cd25-regulatory-t-cells-inhibit-dendritic-cells-function-by-ctla-4
#15
Xin Chen, Yong Du, Qingqing Hu, ZhiMing Huang
PURPOSE: CD4+CD25+regulatoryT cells (Tregs) play an important role in anti-tumor immune responses. Poor prognosis and declining survival rates have intimate connection with high Treg expression in cancer patients. Cytotoxic T Lymphocyte-associated protein (CTLA-4) is one of the most prominent molecules on Treg. In our previous research, we have demonstrated that HCC-derived Tregs can interfere with Dendritic cells (DCs) function and down-modulate CD80/CD86 on DCs in vitro in a cell-contact dependent way...
December 21, 2016: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28214182/opportunistic-autoimmunity-secondary-to-cancer-immunotherapy-oasi-an-emerging-challenge
#16
M Kostine, L Chiche, E Lazaro, P Halfon, C Charpin, D Arniaud, F Retornaz, P Blanco, N Jourde-Chiche, C Richez, C Stavris
With "checkpoint inhibitors" targeting PD1/PD-1-ligands or CTLA-4/CD28 pathways, immunotherapy has profoundly modified therapeutic strategies in oncology. First approved in refractory metastatic neoplasms (melanoma and lung adenocarcinoma), it is now being tested broadly in other cancers and/or as adjuvant treatment. For a significant proportion of patients, immunotherapy is responsible for "immunological" events, identified as Immune-Related Adverse Events (irAEs). Owing to the increasing number of prescriptions, identification and management of specific immunological side effects is crucial and requires close collaboration between oncologists and internists and/or other organ specialists...
February 14, 2017: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/28214177/dendritic-cells-in-host-response-to-biologic-scaffolds
#17
REVIEW
Cynthia A Leifer
Tissue regeneration and repair require a highly complex and orchestrated series of events that require inflammation, but can be compromised when inflammation is excessive or becomes chronic. Macrophages are one of the first cells to contact and respond to implanted materials, and mediate the inflammatory response. The series of events following macrophage association with biomaterials has been well-studied. Dendritic cells (DCs) also directly interact with biomaterials, are critical for specific immune responses, and can be activated in response to interactions with biomaterials...
February 14, 2017: Seminars in Immunology
https://www.readbyqxmd.com/read/28214127/functionalized-superparamagnetic-iron-oxide-nanoparticles-provide-highly-efficient-iron-labeling-in-macrophages-for-magnetic-resonance-based-detection-in-vivo
#18
Jack Sharkey, Philip J Starkey Lewis, Michael Barrow, Salamah M Alwahsh, June Noble, Eilidh Livingstone, Ross J Lennen, Maurits A Jansen, Jaime Garcia Carrion, Neill Liptrott, Shareen Forbes, Dave J Adams, Amy E Chadwick, Stuart J Forbes, Patricia Murray, Matthew J Rosseinsky, Christopher E Goldring, B Kevin Park
BACKGROUND AIMS: Tracking cells during regenerative cytotherapy is crucial for monitoring their safety and efficacy. Macrophages are an emerging cell-based regenerative therapy for liver disease and can be readily labeled for medical imaging. A reliable, clinically applicable cell-tracking agent would be a powerful tool to study cell biodistribution. METHODS: Using a recently described chemical design, we set out to functionalize, optimize and characterize a new set of superparamagnetic iron oxide nanoparticles (SPIONs) to efficiently label macrophages for magnetic resonance imaging-based cell tracking in vivo...
February 15, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28214091/multidonor-intensive-faecal-microbiota-transplantation-for-active-ulcerative-colitis-a-randomised-placebo-controlled-trial
#19
Sudarshan Paramsothy, Michael A Kamm, Nadeem O Kaakoush, Alissa J Walsh, Johan van den Bogaerde, Douglas Samuel, Rupert W L Leong, Susan Connor, Watson Ng, Ramesh Paramsothy, Wei Xuan, Enmoore Lin, Hazel M Mitchell, Thomas J Borody
BACKGROUND: The intestinal microbiota is implicated in the pathogenesis of ulcerative colitis. Faecal microbiota transplantation is a novel form of therapeutic microbial manipulation, but its efficacy in ulcerative colitis is uncertain. We aimed to establish the efficacy of intensive-dosing, multidonor, faecal microbiota transplantation in active ulcerative colitis. METHODS: We conducted a multicentre, double-blind, randomised, placebo-controlled trial at three hospitals in Australia...
February 14, 2017: Lancet
https://www.readbyqxmd.com/read/28214087/targeting-the-pd-1-pd-l1-axis-in-non-small-cell-lung-cancer
#20
REVIEW
Rajiv Kumar, Dearbhaile Collins, Saoirse Dolly, Fiona McDonald, Mary E R O'Brien, Timothy A Yap
The last decade has witnessed rapid advances in the discovery and development of immune checkpoint inhibitors in cancer medicine, particularly drugs targeting programmed cell death 1 (PD-1) and programmed cell death ligand 1 (PD-L1) in non-small cell lung cancer (NSCLC). The proven antitumor efficacy coupled with low rates of drug-related toxicities observed, albeit idiosyncratic, with these novel immunotherapeutics have led to the registration of multiple PD-1 and PD-L1 inhibitors, such as nivolumab, pembrolizumab, and atezolizumab, in second-line advanced NSCLC, whereas durvalumab and avelumab are in late-phase clinical testing...
December 23, 2016: Current Problems in Cancer
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