نتایج جستجو برای: ecd
تعداد نتایج: 2610 فیلتر نتایج به سال:
Electron capture dissociation (ECD) is a new fragmentation technique used in Fourier transform ion cyclotron resonance mass spectrometry and is complementary to traditional tandem mass spectrometry techniques. Disulfide bonds, normally stable to vibrational excitation, are preferentially cleaved in ECD. Fragmentation is fast and specific and labile post-translational modifications and non-coval...
HER2/neu, a Mr 185,000 tyrosine kinase receptor that is overexpressed in breast cancer, undergoes proteolytic cleavage of its extracellular domain (ECD). In contrast with other membrane-bound proteins, including growth factor receptors, that are cleaved by a common machinery system, we show that HER2 cleavage is a slow process and is not activated by protein kinase C. Pervanadate, a general inh...
Myopericytoma (MPC) is a vascular neoplasm exhibiting differentiation towards perivascular cells. Variable cytoarchitechtural features are visible within MPC, and there is much overlap between MPC, myofibroma and glomus tumours. MPC have a local recurrence rate of 10-20% and malignancy has been described in a few published cases. Previously, superficial parotidectomy has been recommended for MP...
Here, we investigate the effect of the structure (generation) and nature of the surface groups of different polyamidoamine (PAMAM) dendrimers on electron-mediated dissociation, either electron capture dissociation (ECD) or electron detachment dissociation (EDD), and compare the fragmentation with that observed in collision-induced dissociation (CID). ECD and EDD of the PAMAM dendrimers resulted...
Cardiovascular complications dominate the landscape of chronic kidney diseases (CKD). Endothelial cell dysfunction (ECD) is a well-known culprit of cardiovascular morbidity and it develops in CKD with remarkable frequency. This brief overview of ECD in CKD scans two decades of studies performed in my laboratory, from genetic analyses to proteomic and metabolomics screens. I provide a detailed d...
A mass-spectrometric method for a de novo determination of O-glycosylation heterogeneity was developed. We used a mild fragmentation technique, electron capture dissociation (ECD), which enables the determination of glycosylation sites as well as peptide sequencing. To demonstrate the correct identification of glycopeptides, we prepared a series of glycopeptides with the same peptide sequence...
PURPOSE OF THE REPORT There is a paucity of data on correlation of various imaging modalities with clinical findings in craniosynostosis. Moreover, no study has specifically reported the role of (99m)Tc-ECD SPECT in a large number of subjects with craniosynostosis. MATERIALS AND METHODS We prospectively analyzed a cohort of 85 patients with craniosynostosis from year 2007 to 2012. All patient...
Erdheim-Chester disease (ECD) is a rare form of systemic histiocytosis, typically presenting with striking osseous involvement characterized by bilateral osteosclerosis and involvement of organs such as the lung, pituitary gland, heart, and brain. Liver involvement with ECD is extremely uncommon. We report a 56-year-old woman presenting with newly diagnosed cirrhosis and signs concerning for in...
This study aimed to evaluate the body weight (BW), morphometry, and physiological status of Etawah Crossbred Doeling (ECD) under different farms management. was performed in two farms, Garage (Tlogoadi village, Mlati subdistrict) Bumiku Hijau (Margomulyo Seyegan subdistrict), both located Yogyakarta each farm used 6 ECD as replications (12 animals total). Parameters consist morphometry (chest g...
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