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排序方式: 共有114条查询结果,搜索用时 15 毫秒
71.
Andresen G Gundersen LL Nissen-Meyer J Rise F Spilsberg B 《Bioorganic & medicinal chemistry letters》2002,12(4):567-569
Initial screening of the cytotoxic and antibacterial properties of 6-substituted 2-oxopurines and dihydro-2-oxopurines revealed that several compounds exhibited cytotoxicity against K-562 cells in the same range as the well known antileukemic drug 6-mercaptopurine. Most compounds were also tested for inhibitory effect on a Gram-positive bacterium, Lactobacillus casei, as well as the mycobacterium Mycobacterium tuberculosis. Generally the 2-oxopurines exhibited low antibacterial effect. 相似文献
72.
Sharen Bowman Sophie Hubert Brent Higgins Cynthia Stone Jennifer Kimball Tudor Borza Jillian Tarrant Bussey Gary Simpson Catherine Kozera Bruce A. Curtis Jennifer R. Hall Tiago S. Hori Charles Y. Feng Marlies Rise Marije Booman A. Kurt Gamperl Edward Trippel Jane Symonds Stewart C. Johnson Matthew L. Rise 《Marine biotechnology (New York, N.Y.)》2011,13(2):242-255
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Daniel R Getts Meghann T Getts Derrick P McCarthy Emily ML Chastain Stephen D Miller 《MABS-AUSTIN》2010,2(6):682-694
The infusion of animal-derived antibodies has been known for some time to trigger the generation of antibodies directed at the foreign protein as well as adverse events including cytokine release syndrome. These immunological phenomena drove the development of humanized and fully human monoclonal antibodies. The ability to generate human(ized) antibodies has been both a blessing and a curse. While incremental gains in the clinical efficacy and safety for some agents have been realized, a positive effect has not been observed for all human(ized) antibodies. Many human(ized) antibodies trigger the development of anti-drug antibody responses and infusion reactions. The current belief that antibodies need to be human(ized) to have enhanced therapeutic utility may slow the development of novel animal-derived monoclonal antibody therapeutics for use in clinical indications. In the case of murine antibodies, greater than 20% induce tolerable/negligible immunogenicity, suggesting that in these cases humanization may not offer significant gains in therapeutic utility. Furthermore, humanization of some murine antibodies may reduce their clinical effectiveness. The available data suggest that the utility of human(ized) antibodies needs to be evaluated on a case-by-case basis, taking a cost-benefit approach, taking both biochemical characteristics and the targeted therapeutic indication into account.Key words: immunogenicity, human anti-mouse antibody, cytokine release syndrome 相似文献
76.
K. R. von Schalburg G. A. Cooper J. Leong A. Robb R. Lieph M. L. Rise † W. S. Davidson ‡ B. F. Koop § 《Journal of fish biology》2008,72(9):2051-2070
Salmonids are the most widely studied group of fish, and in the last few years, genomics technologies have begun to contribute to this rich biology. The first salmonid microarrays appeared in 2004 and since then several dozen studies have demonstrated the utility of genomic approaches. The widespread use of the genomics research on Atlantic salmon project 16 k array and greatly expanded genome resources have led to the development of an experimental 5 k oligo (70-mer) array and a 32 k cDNA microarray in the near future. In this paper, the authors examined some of the procedures used in the development of past arrays and reexamined them in light of new genomic data available. Some preliminary control experiments of the new 5 k array were investigated that examine oligo designs based on distance from the polyA tail, the effects of mismatches and cross-species hybridization specificity. Beneficial approaches are also identified in the development of the new 32 k cDNA array. 相似文献
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Abegaz BM Ngadjui BT Folefoc GN Fotso S Ambassa P Bezabih M Dongo E Rise F Petersen D 《Phytochemistry》2004,65(2):221-226
A monoprenylated flavan and two monoterpenoid substituted furanocoumarins were isolated from the twigs of Dorstenia elliptica along with 3-(3,3-dimethylallyl)-4,2',4'-trihydroxylchalcone, psoralen, bergapten, O-[3-(2,2-dimethyl-3-oxo-2H-furan-5-yl)butyl]bergaptol, beta-sitosterol and its beta-D-glucopyranoside. The structure of the flavan was determined as 6(1,1-dimethylallyl)-7,4'-dihydroxylflavan and the monoterpenoid substituted furanocoumarins were assigned as O-[3-(2,2-dimethyl-3-oxo-2H-furan-5-yl)-3-hydroxybutyl]-bergaptol and O-[2-(5-hydroxy-2,6,6-trimethyl-3-oxo-2H-pyran-2-yl)ethyl]bergaptol, respectively, using spectroscopic analysis, especially, 2D NMR spectra. 相似文献
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D. Mercanti A. Angelini MT. Ciotti ML. Eboli C. Galli L. Battistini D. Merlo P. Calissano 《Cytotechnology》1993,11(Z1):S117-S119
The neurite outgrowth and adhesion complex (NOAC), isolated from rabbit sera has been dissociated in its major components by reverse-phase chromatography in HPLC by using a C18 column. SDS-PAGE analisys of the active fractions revealed the presence of three major bands of approximately 100, 70 and 50 kDa. Studies on the biological activity of NOAC were carried out on rat cerebellar granule cells. NOAC-cultured cells exhibit a marked resistance to excitotoxic stimuli carried by glutamate. 相似文献
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