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The Ala to Leu substitution
2022-07-26
The Ala116 to Leu110 substitution would reduce the size of the active-site cavity disfavoring the production of longer allylic compounds as a result of steric hindrance, according to the observations of Poulter and co-workers [29], [30]. However, this explanation appears to be unlikely since several
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Focal adhesion kinase Fakir et al also known
2022-07-26
Focal adhesion kinase (Fakir et al., 2006), also known as non-receptor tyrosine kinase (PTK2), is a 125-kDa protein that regulates cell migration, adhesion, proliferation, and survival (Tavora et al., 2014; Yang et al., 2016; Tian et al., 2017). Many studies have observed FAK overexpression and/or h
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A biochemical characterisation of this functionally crucial
2022-07-26
A biochemical characterisation of this functionally crucial LSD1-p53 interaction is the focus of this study. Using several complementary assays [29], [30], [31], [32], we find that a well-defined segment of p53-CTD is capable of binding to LSD1 active site, thereby inhibiting the enzymatic activity
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The cytotoxicity of these compounds against Hep B
2022-07-26
The cytotoxicity of these compounds against Hep3B cells was assessed using the MTT assay. As shown in , compounds in series and (except ), which retained the carboxyl at C-17, showed no appreciable cytotoxic activity (IC > 100 μM), whereas compounds in series (except ,) were modestly cytotoxic, i
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br cAMP cGMP effector systems in human
2022-07-26
cAMP/cGMP effector systems in human platelets (PKA, PKG, PDEs) In eukaryotic cells, the effects of intracellular cAMP are mediated by two types of cAMP-dependent protein kinases (PKA type I and II) and cAMP-regulated guanine nucleotide exchange factors (EPAC/cAMP-GEF) which activate the RAS GTPas
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The isoenzyme hGSTP is an attractive drug target
2022-07-26
The isoenzyme hGSTP1-1 is an attractive drug target due to its high levels of disease association (target validation) and druggability (target tractability) properties [5,6,[17], [18], [19], [20], [21]]. hGSTP1-1 functions as a homodimer protein [18]. Each monomer has two domains, an α/β domain (N-t
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All experiments in this study were performed at pD
2022-07-26
All experiments in this study were performed at pD 6.1 for reasons described above. This leaves a question about the implications of stereochemistry in vivo. At physiological pH the GSTP1-1 catalyzed rate of EASG formation is only 1.1-fold higher than the non-enzymatic rate [26]. However, when human
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br Lysophosphatidylinositol LPI LPI is a subspecies of lysop
2022-07-26
Lysophosphatidylinositol (LPI) LPI is a subspecies of lysophospholipid consisting of inositol as its head group, one glycerol molecule and one acyl chain (Piñeiro and Falasca, 2012). The biosynthesis of this lipid starts from Phosphatidylinositol (PI) and is catalysed by the enzymes phospholipase
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Among prostaglandins PG PGD remained the most
2022-07-26
Among prostaglandins (PG), PGD2 remained the most elusive species for a long time and was initially regarded as having negligible biological activity [1]. In 1974 its inhibitory effect on platelet aggregation was discovered by Smith et al. [2] and Mills & McFarlain [3], and both pressor and depresso
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An important difference between glucokinase
2022-07-25
An important difference between glucokinase and the other hexokinases is that it has a much lower affinity for glucose, such that it is not saturated at physiological blood glucose concentrations (Wilson, 1995, Wilson, 1997, Wilson, 2003, Wilson, 2004, Cárdenas et al., 1998). In addition, glucokinas
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The relationship between estrogen and the Hedgehog pathway
2022-07-25
The relationship between estrogen and the Hedgehog pathway as well as the associated mechanism have already been investigated in many tissues, especially in breast cancer (Chang et al., 2012, Katayama et al., 2006, Ramaswamy et al., 2012). Hitherto, even though we have proved that HH-Gli pathway pro
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br A small conductance chloride channel SCC
2022-07-25
A small conductance chloride channel (SCC) In addition to the above-described channels, a 5pS SCC has been encountered in electrophysiological recordings. This channel, exhibiting long periods of opening separated by long intervals of closing, showed the same characteristics as the SCC described
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OCA has recently been approved for the
2022-07-25
OCA has recently been approved for the treatment of patients with PBC and is under study for diseases such as NASH, PSC and biliary atresia [30], [49]. Up to now, the beneficial effects of OCA have been related to its anti-cholestatic, anti-inflammatory and anti-fibrotic properties. We have here rep
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br Conclusion In conclusion our results demonstrate that inc
2022-07-22
Conclusion In conclusion, our results demonstrate that incubation of both LAD and SCA rat coronary arteries rapidly increases the ETB receptor-mediated contraction as well as upregulation of ETB receptor protein levels. These findings may have important experimental implications in tissue bath ex
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Introduction Protein tyrosine phosphorylation plays key role
2022-07-22
Introduction Protein-tyrosine phosphorylation plays key roles in a variety of intracellular signaling pathways involved in cell proliferation, differentiation, gene expression, cell adhesion, and metabolic changes [1]. While receptor-type tyrosine kinases localize to the plasma membrane, most of no
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