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13篇 您的检索式:作者名="Loic D"
    题名 作者 年代 出处 被引量
1Focus-tunable microscope for imaging small neuronal processes in freely moving animals显示文摘Miniature single-photon microscopes have been widely used to image neuronal assemblies in the brain of freely moving animals over the last decade. However,these systems have important limitations for imaging in-depth fine neuronal structures. We present a subcellular imaging single-photon device that uses an electrically tunable liquid crystal lens to enable a motion-free depth scan in the search of such structures. Our miniaturized microscope is compact (10 mm×17 mm×12 mm) and lightweight (≈1.4 g),with a fast acquisition rate (30–50 frames per second),high magnification (8.7×),and high resolution (1.4μm) that allow imaging of calcium activity of fine neuronal processes in deep brain regions during a wide range of behavioral tasks of freely moving mice.ARUTYUN BAGRAMYAN LOIC TABOURIN ALI RASTQAR NARGES KARIMI FRéDéRIC BRETZNER TIGRAN GALSTIAN 2021Photonics Research2021,9,7:2
2Survival after inflammatory bowel disease-associated colorectal cancer in the Colon Cancer Family Registry显示文摘AIM: To investigate the survival of individuals with colorectal cancer (CRC) with inflammatory bowel disease (IBD-associated CRC) compared to that of individuals without IBD diagnosed with CRC. METHODS: Epidemiologic, clinical, and follow-up data were obtained from the Colon Cancer Family Registry (Colon CFR). IBD-associated cases were identified from self-report of physician diagnosis. For a subset of participants, medical records were examined to confirm self-report of IBD. Cox proportional hazards regression was applied to estimate adjusted hazard ratios (aHR) and 95%CI of mortality, comparing IBD-associated to non-IBD-associated CRC, adjusted for age at CRC diagnosis, sex, Colon CFR phase, and number of prior endoscopies. Following imputation to complete CRC stage information, adjustment for CRC stage was examined. RESULTS: A total of 7202 CRC cases, including 250 cases of IBD-associated CRC, were analyzed. Over a twelve year follow-up period following CRC diagnosis, 2013 and 74 deaths occurred among non-IBD associated CRC and IBD-associated CRC patients, respectively. The difference in survival between IBD-associated and non-IBD CRC cases was not statistically significant (aHR = 1.08; 95%CI: 0.85-1.36). However, the assumption of proportional hazards necessary for valid inference from Cox regression was not met over the entire follow-up period, and we therefore limited analyses to within five years after CRC diagnosis when the assumption of proportional hazards was met. Over this period, there was evidence of worse prognosis for IBD-associated CRC (aHR = 1.36; 95%CI: 1.05-1.76). Results were similar when adjusted for CRC stage, or restricted to IBD confirmed in medical records. CONCLUSION: These results support the hypothesis that IBD-associated CRC has a worse prognosis than non-IBD-associated CRC.Scott V Adams Dennis J Ahnen John A Baron Peter T Campbell Steven Gallinger William M Grady Loic LeMarchand Noralane M Lindor John D Potter Polly A Newcomb 2013World Journal of Gastroenterology2013,19,21:2
3Single-Dose mucosal immunization with biodegradable micropatricles containing a schistosoma mansoni antigen显示文摘Benoit B Marie-ange B Loic D 1999Inefction and Immunity1999,,:2
4Duodenal intraepithelial T lymphocytes in patients with functional dyspepsia显示文摘AIM: To quantify the intraepithelial lymphocytes (IELs) and to document the membrane expression of CD4, CD8, TCRγδ and adhesion and/or activation-associated molecules (CD103, CD28, CD44, CD69, HLA-DR, CD95/ Fas) in the duodenal mucosa of patients with functional dyspepsia (FD) in order to provide arguments for an immunological process in FD. METHODS: Twenty-six FD patients according to Rome Ⅱ criteria (20 were H pylori negative) were studied and compared to 12 healthy adults. IELs were isolated from five duodenal biopsy samples, then quantified by microscopy and flow cytometry while the membrane phenotypes were determined by cytofluorometry. RESULTS: Duodenal histological examination was normal. In H pylori negative patients, the number of IELs was not different from that in healthy controls. Median percentage expression of CD4, CD8, or TCRγδ and CD103, CD44, CD28, CD69 on CD3+ IELs, among the adhesion/activation associated molecules tested, was not different from that in healthy controls. In contrast, the median percentage expression of CD95/ Fas [22 (9-65) vs 45 (19-88), P = 0.03] and HLA- DR expressing CD3+ IELs [4 (0-30) vs 13 (4-42), P = 0.04] was significantly lower in the H pylori negative FD group than in healthy controls, respectively. The number of IELs was significantly greater in H pylori positive FD patients than in healthy controls [median ratiofor 100 enterocytes 27.5 (6.7-62.5) vs 10.8 (3-33.3), P = 0.02] due to a higher number of CD8+ CD3+ IELs. CONCLUSION: In H pylori negative FD patients, the phenotypic characterization of IELs suggests that we cannot exclude a role of IELs in FD.Gilles Gargala Stéphane Lecleire Arnaud Franois Serge Jacquot Pierre Déchelotte Jean Jacques Ballet Loic Favennec Philippe Ducrotté 2007World Journal of Gastroenterology2007,13,16:2
5Efficacy and safety of low doses of onabotulinumtoxinA for the treatment of refractory idiopathic overactive bladder: a multicentre, double-blind, randomised, place- bo-controlled dose-ranging study显示文摘Pierre D Loic LN Idir G 2012Eur Urol2012,61,3:1
6Seed longevity : Survival and maintenance of high germination ability of dry seeds显示文摘Loic R Isabelle D 2008Comptes rendus Biologies2008,331,10:1
7Exact feature extraction using finite rate of innovation principles with an application to image super-resolution 显示文摘LOIC B PIER L D 20081EEE Transactions on Image Processing2008,,10:1
8Interactive simulation of CAD models assemblies using virtual constraint guidance显示文摘LOIC T GEORGES D JEROME P 2010International Journal of Interactive Design and Manufacturing2010,4,2:1
9Simulation Model of Mil- itary HEV with a Highly Redundant Architecture 显示文摘Loic B D Alain B Olivier P 2010IEEE Transactions on Vehicular Technology2010,59,6:1
10Immobilization strategies to develop enzymatic biosensor 显示文摘Audrey Sassolas Loic J Blum Beatrice D 2012Biotechnology Advances2012,30,3:1
11Fractal analyses for ' short' time series : A re - assessment of classical methods 显示文摘Delignieres D R Sofiane L Loic 2006Journal of Mathematical Psychology2006,50,:1
12Intramolecular Phi = O mediated copper-catalyzed aziridination of unsatruated sulfamates: a new direct access to polysubstituted anines from simple honwallylic alcohos 显示文摘Femando D Loic L Alberto G 2002Org Lett ( S1523-7060)2002,4,:1
13Grain growth-controlled giant permittivity in soft chemistry CaCu3Ti4Olz ceramics显示文摘LOIC M SOPHIE G F BERNARD D 2008Journal of the American Ceramic Society2008,91,2:1
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