• The reaction of chitosan with DVS should take place primaril

  2020-10-16

  

  The reaction of chitosan with DVS should take place primarily through a nucleophilic attack of the vinyl sulfone groups to the amino groups in chitosan [39,50], although its hydroxyl groups can also be involved, as it happens when using agarose [35]. These reactions create very stable secondary amin

• In this paper we report the

  2020-10-16

  

  In this paper, we report the synthesis and microbiological evaluation of a series of novel chromogenic sugar-based enzyme substrates based upon catechol, 2,3-dihydroxynaphthalene and 6,7-dibromo-2,3-dihydroxynaphthalene 9 cores (Fig. 1).14, 15 2,3-Dihydroxynaphthalene is inexpensive and available in

• In addition to providing substantial insight into

  2020-10-16

  

  In addition to providing substantial insight into substrate recognition, structural studies have revealed important details about mechanisms of glycosylation and HCF-1 cleavage [28,30,33]. Activation of the nucleotide-sugar is accomplished through interactions of the β-phosphate with the N-terminus

• Initially we ascertained that if the dose of elastase

  2020-10-16

  

  Initially, we ascertained that if the dose of elastase was sufficient to cause pulmonary emphysema, then pulmonary emphysema could be maintained throughout the study. We found that elastase at 3U was sufficient to cause emphysema that remained over 35 days. In this experimental design of lung diseas

• br Introduction Abdominal aortic aneurysm

  2020-10-16

  

  Introduction Abdominal aortic aneurysm (AAA) is a daily concern in vascular surgery, as successful treatment is exclusively achieved by open or endovascular repair. Its prevalence is 2–11% among male smokers, and rupture the major complication, is associated with unacceptably high morbidity and m

• It is particularly notable that CYP D appears to be

  2020-10-16

  

  It is particularly notable that CYP2D6 appears to be the most stable of the major CYP450 isx in its expression over time in vitro and appears to be least affected by culture conditions and sample to sample variability (i.e., CYP2D6 expression is remarkably consistent over time and between individua

• br Experimental Procedures br Acknowledgments We

  2020-10-16

  

  Experimental Procedures Acknowledgments We thank R. Brink for providing HEL2x, M. Tanaka for CD169DTR mice, R. Lathe for making Cyp7b1+/− mice available, and M. Barnes and A. Reboldi for comments on the manuscript. T.Y. is an Irvington Institute Postdoctoral Fellow at the Cancer Research Insti

• Historically covalent drugs have had great success e g

  2020-10-15

  

  Historically, covalent drugs have had great success (e.g., aspirin and penicillin), and covalent drugs have become a focus in anticancer and antiviral drug discovery (Kalgutkar and Dalvie, 2012, Singh et al., 2011). These compounds contain low reactivity warheads that allow covalent adducts to form

• DNA methylation assay To test the biological

  2020-10-15

  

  DNA methylation assay. To test the biological activity of purified A1S_0222, a methylation assay was performed using the Int1 DNA. As an alternative DNA substrate, Seq3 (located in gene A1S_0965 of A. baumannii ATCC 17978) was amplified from Acinetobacter baumannii 29D2 using the oligonucleotides Se

• It was demonstrated that the addition of

  2020-10-15

  

  It was demonstrated that the addition of 10-fold excess of α-synuclein without modifications (with respect to the molar concentration of tetrameric GAPDH) leads to partial inactivation of GAPDH after 1-h incubation by 20% (Fig. 4, curve 2) in Volasertib to insignificant decrease of the specific act

• br Materials and methods br Data

  2020-10-15

  

  Materials and methods Data and statistical analysis The results were expressed as mean ± SEM. One-way analysis of variance (ANOVA), followed by Bonferroni\'s post-test or unpaired Student\'s t-test were used to determine significant differences between groups. The program used for statistical

• P has three subfamilies CYP CYP and CYP which

  2020-10-15

  

  P450 has three subfamilies (CYP1, CYP2, and CYP3), which contribute largely to the oxidative biotransformation of xenobiotics that include most drugs, dietary chemicals, and environmental pollutants. The CYP1 enzymes have great importance in the bioactivation of mutagens and its isoforms are capable

• The COMT gene maps to chromosome q Grossman

  2020-10-14

  

  The COMT gene maps to chromosome 22q11.2 (Grossman et al., 1992) and has two protein isoforms. The differences between S-COMT and longer MB-COMT are in the N-termini, which use alternative translation initiation sites and promoters. These two isoforms display different affinity and capacity for COMT

• The mechanisms by which Cav enhances

  2020-10-14

  

  The mechanisms by which Cav-1 enhances embryonal tumor progression are currently unknown. Given the documented ability of Cav-1 to drive increased biogenesis of caveolae and accelerate the flow of nutrients (mostly glucose and fatty acids) across the membrane, as observed in particular in adipocytes

• Conventional assays rely on a comparable transformation of t

  2020-10-13

  

  Conventional assays rely on a comparable transformation of the target analytes and the structurally similar (but not identical) proxy substrates and are commonly used to measure individual enzyme activities in (pre-treated) intact sludge flocs (Burgess and Pletschke, 2008a, Gessesse et al., 2003, Yu

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