نتایج جستجو برای: ecd
تعداد نتایج: 2610 فیلتر نتایج به سال:
PURPOSE To study the expression and function of a novel cell-cycle regulatory protein, human ecdysoneless (Ecd), during pancreatic cancer pathogenesis. EXPERIMENTAL DESIGN Immunohistochemical expression profiling of Ecd was done in nonneoplastic normal pancreatic tissues and pancreatic ductal adenocarcinoma lesions (from tissue microarray and Rapid Autopsy program) as well as precancerous Pan...
PURPOSE To evaluate changes in endothelial cell density (ECD) in the corneal region after implantation of an iris-fixated phakic intraocular lens (PIOL). METHODS Forty-five eyes of 25 myopic patients implanted with Artisan iris-fixated PIOLs (Ophtec BV) and 30 eyes of 15 myopic controls were enrolled. Corneal ECD and the distance between endothelium and the PIOL optic were evaluated in five d...
Purpose. To evaluate the endothelial cell density (ECD) and central corneal thickness (CCT) in adolescents with juvenile open-angle glaucoma (JOAG) and ocular hypertension (OH) and to investigate the influence of topical antiglaucoma medications on ECD and CCT in adolescents with JOAG. Methods. ECD and CCT were investigated in 66 eyes of 33 adolescents with JOAG. Depending on the topical treatm...
BACKGROUND AND PURPOSE We hypothesized that technetium-99m-ethylene dicysteine-metronidazole (99mTc-EC-MN) localizes to brain tissue that is hypoxic but viable. This study prospectively evaluated the relationship between neurological outcome and uptake of 99mTc-EC-MN in peri-infarcted regions of the brain. METHODS Eight patients with acute ischemic stroke in the territory of the left middle c...
PURPOSE The HER-2/erbB-2/c-neu (HER-2) proto-oncogene is a M(r) 185,000 transmembrane tyrosine kinase that is amplified and/or overexpressed by 20-40% of breast cancers. HER-2 has been associated with worse prognosis and resistance or sensitivity to specific treatment. We evaluated circulating levels of extracellular domain of HER-2 (ECD/HER-2) in metastatic breast cancer patients and investiga...
Analysis of phosphotyrosine and phosphoserine containing peptides by nano-electrospray Fourier transform ion cyclotron resonance (FTICR) mass spectrometry established electron capture dissociation (ECD) as a viable method for phosphopeptide sequencing. In general, ECD spectra of synthetic and native phosphopeptides appeared less complex than conventional collision activated dissociation (CAD) m...
Endothelial dysfunction (ECD) is the earliest phenotypic change in the vasculature following exposure to atherothrombotic risk factors. ECD is associated with decreased synthesis and increased oxidative inactivation of nitric oxide (NO). Critical antioxidant enzymes essential for eliminating reactive oxygen species that can inactivate NO include the superoxide dismutases, the glutathione peroxi...
Electron capture dissociation (ECD) of doubly protonated hyperbranched polyesteramide oligomers (1100-1900 Da) was examined and compared with the structural information obtained by low energy collisionally activated dissociation (CAD). Both the ester and amide bonds of the protonated species were cleaved easily upon ECD with the formation of odd electron (OE(.+)) or even electron (EE(+)) fragme...
Program Number: 991 Poster Board Number: A0380 Presentation Time: 3:15 PM–5:00 PM Corneal Endothelial Cell Density in Ametropic Children and Adolescents Nicholas Faron1, James Hoekel1, Lawrence Tychsen1, 2. 1Ophthalmology, Washington Univ Sch of Med, St Louis, MO; 2Pediatrics, Washington Univ Sch of Med, St. Louis, MO. Purpose: Endothelial cell density (ECD) is known to decrease with age in adu...
Human immunodeficiency virus type 1 (HIV-1) binds to the human CD4 (hCD4) and a coreceptor to enter permissive human cells. The chemokine receptors, hCCR5 and hCXCR4, are the primary coreceptors used by HIV-1 isolates in vivo, however, hCCR3 has been implicated as a coreceptor for HIV infection of the central nervous system. To determine the domains and amino acids important in hCCR3 coreceptor...
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