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A reverse-phase isocratic HPLC method is described for direct simultaneous assay of ATP, ADP, AMP, S-adenosylmethionine, S-adenosylhomocysteine, S-adenosylethionine, and other adenine derivatives in liver microbiopsies. The procedure was tested in conditions which alter the hepatic content of adenine nucleotides and sulfur-adenosyl amino acids in humans, rats, and guinea pigs. 相似文献
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New common nomenclature for glycoprotein genes of varicella-zoster virus and their glycosylated products. 总被引:21,自引:14,他引:7 下载免费PDF全文
A J Davison C M Edson R W Ellis B Forghani D Gilden C Grose P M Keller A Vafai Z Wroblewska K Yamanishi 《Journal of virology》1986,57(3):1195-1197
The accumulation of recent data concerning the reactivity of monoclonal antibodies with particular varicella-zoster virus (VZV) glycoproteins and the mapping of several of their respective genes on the VZV genome has led to a unified nomenclature for the glycoprotein genes of VZV and their mature glycosylated products. Homologs to herpes simplex virus glycoprotein genes are noted. 相似文献
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Multiple endocrine neoplasia type 1 (MEN1) is an autosomal dominant disorder that predisposes affected individuals to neoplasms of the parathyroid glands, endocrine pancreas, anterior pituitary, and carcinoids. The MEN1 locus has been localized by family studies to 11q13, flanked by markers PGA and D11S97. Eight new polymorphisms located in three separate radiation-reduced somatic cell hybrid segregation groups were developed. The order of the new markers, within the context of previously described loci, was determined by linkage analysis on the Venezuelan reference pedigree. Four independent MEN1 families, consisting of 57 affected individuals, and 70 individuals at-risk for the disease were genotyped. Sixteen people inherited a chromosome that shows recombination between a linked marker and the disease. The nearest proximal and distal markers that show recombination with the disease are D11S822 and GSTP1, respectively, thereby narrowing the candidate region for MEN1 by 50% on the distal side. Using these loci in haplotype analysis, an accurate presymptomatic molecular diagnostic test has been developed. These new markers in 11q13 linked to MEN1 also facilitate the genetic and physical characterization of this very gene-rich region. 相似文献
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Sayantan Bose Carissa M. Heath Priya A. Shah Maher Alayyoubi Theodore S. Jardetzky Robert A. Lamb 《Journal of virology》2013,87(24):13520-13531
Paramyxovirus membrane glycoproteins F (fusion protein) and HN, H, or G (attachment protein) are critical for virus entry, which occurs through fusion of viral and cellular envelopes. The F protein folds into a homotrimeric, metastable prefusion form that can be triggered by the attachment protein to undergo a series of structural rearrangements, ultimately folding into a stable postfusion form. In paramyxovirus-infected cells, the F protein is activated in the Golgi apparatus by cleavage adjacent to a hydrophobic fusion peptide that inserts into the target membrane, eventually bringing the membranes together by F refolding. However, it is not clear how the attachment protein, known as HN in parainfluenza virus 5 (PIV5), interacts with F and triggers F to initiate fusion. To understand the roles of various F protein domains in fusion triggering and metastability, single point mutations were introduced into the PIV5 F protein. By extensive study of F protein cleavage activation, surface expression, and energetics of fusion triggering, we found a role for an immunoglobulin-like (Ig-like) domain, where multiple hydrophobic residues on the PIV5 F protein may mediate F-HN interactions. Additionally, destabilizing mutations of PIV5 F that resulted in HN trigger-independent mutant F proteins were identified in a region along the border of F trimer subunits. The positions of the potential HN-interacting region and the region important for F stability in the lower part of the PIV5 F prefusion structure provide clues to the receptor-binding initiated, HN-mediated F trigger. 相似文献
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Two topics that have attracted recent attention in the field of autophagy concern the source of the membrane that is used to form the autophagosome during macroautophagy and the role of noncanonical autophagic pathways. The 2 topics may converge when considering the intersection of autophagy with viral infection. We suggest that noncanonical autophagy, which is sensitive to treatment with brefeldin A, may converge with the infectious cycles of certain DNA and RNA viruses that utilize membrane from the ER and cis-Golgi. 相似文献
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Nataliya Di Donato Ying Y. Jean A. Murat Maga Briana D. Krewson Alison B. Shupp Maria I. Avrutsky Achira Roy Sarah Collins Carissa Olds Rebecca A. Willert Agnieszka M. Czaja Rachel Johnson Jessi A. Stover Steven Gottlieb Deborah Bartholdi Anita Rauch Amy Goldstein Victoria Boyd-Kyle Kimberly A. Aldinger Ghayda M. Mirzaa Anke Nissen Karlla W. Brigatti Erik G. Puffenberger Kathleen J. Millen Kevin A. Strauss William B. Dobyns Carol M. Troy Robert N. Jinks 《American journal of human genetics》2016,99(5):1117-1129