نتایج جستجو برای: fti

تعداد نتایج: 436  

2016
Akio Chikata Takeshi Kato Satoru Sakagami Chieko Kato Takahiro Saeki Keiichi Kawai Shin‐ichiro Takashima Hisayoshi Murai Soichiro Usui Hiroshi Furusho Shuichi Kaneko Masayuki Takamura

BACKGROUND Low contact force and force-time integral (FTI) during catheter ablation are associated with ineffective lesion formation, whereas excessively high contact force and FTI may increase the risk of complications. We sought to evaluate the optimal FTI for pulmonary vein (PV) isolation based on atrial wall thickness under the ablation line. METHODS AND RESULTS Contact force parameters a...

Journal: :The Journal of biological chemistry 1999
B K Law P Nørgaard L Gnudi B B Kahn H S Poulson H L Moses

Previously, the protein farnesyltransferase inhibitor (FTI), L-744, 832, has been shown to inhibit the proliferation of a number of tumor cell lines in vitro in a manner that correlated with the inhibition of the mitogen-activated protein kinase cascade. Here we show that FTI inhibits p70(s6k) phosphorylation in mammary tumors in vivo in transgenic mice. Furthermore, in a mouse keratinocyte cel...

Journal: :CoRR 2018
Amirafshar Moshtaghpour Valerio Cambareri Philippe Antoine M. Roblin Laurent Jacques

Fourier Transform Interferometry (FTI) is an appealing Hyperspectral (HS) imaging modality in the applications demanding high spectral-resolution, such as fluorescence microscopy. However, the effective resolution of FTI is indeed limited due to the durability of biological elements when exposed to illuminating light; since over exposed biological elements suffer from photo-bleaching, i.e., a p...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1998
N Suzuki K Del Villar F Tamanoi

Farnesyltransferase inhibitors (FTIs) exhibit the remarkable ability to inhibit transformed phenotypes of a variety of human cancer cell lines and to block the growth of cancer cells in a number of animal model systems. In this paper, we report that the addition of FTI to v-K-ras- transformed NRK cells (KNRK) results in dramatic morphological changes. Within 24 h after the addition of FTI, the ...

Journal: :Cancer research 2004
Uma Kamasani Minzhou Huang James B Duhadaway Edward V Prochownik P Scott Donover George C Prendergast

Farnesyl transferase inhibitors (FTIs) have displayed limited efficacy in clinical trials, possibly because of their relatively limited cytotoxic effects against most human cancer cells. Therefore, efforts to leverage the clinical utility of FTIs may benefit from learning how these agents elicit p53-independent apoptosis in mouse models of cancer. Knockout mouse studies have established that ga...

Journal: :Journal of cardiovascular electrophysiology 2014
Christian Sohns Rashed Karim James Harrison Aruna Arujuna Nick Linton Richard Sennett Hendrik Lambert Giovanni Leo Steven Williams Reza Razavi Matt Wright Tobias Schaeffter Mark O'Neill Kawal Rhode

BACKGROUND Catheter contact force (CF) is an important determinant of radiofrequency (RF) lesion quality during pulmonary vein isolation (PVI). Late gadolinium enhancement (LGE) magnetic resonance imaging (MRI) allows good visualization of ablation lesions. OBJECTIVE This study describes a new technique to examine the relationship between CF during RF delivery and LGE signal intensity (SI) fo...

2009
David L. MacLeod Lynn M. Barker Jennifer L. Sutherland Suzanne C. Moss Jesse L. Gurgel Thomas F. Kenney Jane L. Burns William R. Baker

OBJECTIVES To compare the in vitro and in vivo activities of a 4:1 (w/w) fosfomycin/tobramycin combination (FTI) with those of fosfomycin and tobramycin alone against cystic fibrosis (CF) and non-CF bronchiectasis pathogens. METHODS Clinical isolates of CF Pseudomonas aeruginosa, Staphylococcus aureus, Haemophilus influenzae, Stenotrophomonas maltophilia, Burkholderia cepacia complex, Escheri...

2017
Philippe Thuillier Nathalie Roudaut Geneviève Crouzeix Marie Cavarec Philippe Robin Ronan Abgral Véronique Kerlan Pierre-Yves Salaun

OBJECTIVE To evaluate the malignancy rate of focal thyroid incidentaloma (fTI) in a population of patients undergoing a 18F-fluorodeoxyglucose positron emission tomography-computed tomography (FDG PET-CT) for a non-thyroid purpose. DESIGN We conducted a prospective cohort study from January 2013 to November 2014. All consecutive patients referred for a FDG PET-CT were prospectively screened. ...

2018
Amirafshar Moshtaghpour Laurent Jacques

Fourier Transform Interferometry (FTI) is an interferometric procedure for acquiring HyperSpectral (HS) data. Recently, it has been observed that the light source highlighting a (biologic) sample can be coded before the FTI acquisition in a procedure called Coded Illumination-FTI (CI-FTI). This turns HS data reconstruction into a Compressive Sensing (CS) problem regularized by the sparsity of t...

Journal: :Blood 2003
Carmine Selleri Jaroslaw P Maciejewski Nunzia Montuori Patrizia Ricci Valeria Visconte Bianca Serio Luigiana Luciano Bruno Rotoli

The mechanism of action of farnesyltransferase inhibitors (FTIs) has not been fully clarified. We investigated the cytotoxic effects of various FTIs in chronic myeloid leukemia (CML), using LAMA cells and marrow cells from 40 CML patients in chronic phase. FTI-mediated cytotoxic effect was observed in LAMA cells and in 65% of primary CML cells, whereas marrow cells from controls were only weakl...

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