• The three dimensional crystal structure of Ca

  2021-03-24

  

  The three-dimensional crystal structure of Ca2+ loaded CaM reveals a dumbbell-shaped molecule with two roughly globular lobes, the N- and C-terminal lobes linked by a long solvent-exposed helix, which has been shown by NMR to be non-helical in its central part and flexible in solution [13]. Each glo

• p Kip is a critical component of the

  2021-03-24

  

  p27Kip1 is a critical component of the cell cycle machinery [15]. As an inhibitor of cyclin E-Cdk2, p27Kip1 plays a pivotal role in controlling cell proliferation, S-phase entry, and G1-phase exit during development and tumorigenesis [16]. p27Kip1 is predominantly regulated via posttranslational mod

• CK comprises a family of serine threonine protein

  2021-03-23

  

  CK1 comprises a family of serine/threonine protein kinases, that includes different CK1 isoforms namely α, β, δ, ε and γ their various splice variants [56]. It was reported that the pharmacological inhibitor IC261 shows an order of magnitude of higher selectivity for CK1δ or CK1ε isoforms (IC50 of 1

• never ET expression occurs in many carcinomas including thos

  2021-03-23

  

  ET-1 expression occurs in many carcinomas, including those arising in the kidney [38], prostate [7], ovary [5] endometrium [39], melanocyte [40], and central nervous system [41], [42], among others [43]. The endothelin axis expression in RCC appears to be dependent upon the tumor subtype [38]. In se

• Considering these reports and with

  2021-03-23

  

  Considering these reports, and with the aim of further investigating the mechanism by which the cAMP-Epac/PKA pathway activates eNOS, we have performed imaging experiments evaluating the effect of drugs that increase cAMP or modify its signalling pathways (PKA or Epac activators and inhibitors) on b

• Compounds and possessed relatively low clogP values and

  2021-03-23

  

  Compounds 11–13 and 15 possessed relatively low clogP values and tended to show relatively weak antagonist activity regardless of their potent EP1 receptor affinity. Compounds 2–4, which were selected based on their potent in vivo antagonist activity, were found to be effective in an animal model.

• Nitrid oxide NO and its

  2021-03-23

  

  Nitrid oxide (NO) and its potential endogenous production as an endothelium-derived factor was the first gaseous molecule accepted to be a signaling mediator in the organism [4,5]. NO plays a key role in physiological regulation of the 5 aminolevulinic acid receptor and exerts physiological functio

• prostaglandin e CYP A and CYP D are among

  2021-03-23

  

  CYP3A4/5 and CYP2D6 are among the main drug-metabolizing enzymes in humans that are responsible for the metabolism of more than 50% of marketed drugs [19], [21]. Drugs metabolized by CYPs are prone to drug–drug interactions, thereby modifying their response [18], [32]. Metabolic inhibition is also i

• Recent studies have also uncovered

  2021-03-23

  

  Recent studies have also uncovered additional roles for E2 enzymes and E2~Ub conjugates in modulating the activity of deubiquitinating enzymes (DUBs), such as OTUB1 (Juang et al., 2012, Wiener et al., 2013, Wiener et al., 2012). Interestingly, OTUB1 has also been shown to associate and modulate the

• Main Text Post translational modifications by ubiquitin Ub

  2021-03-23

  

  Main Text Post-translational modifications by ubiquitin (Ub) and ubiquitin-like proteins (Ubl) regulate a diverse array of cellular and physiological processes including protein degradation, localization, and activation. While ubiquitination has primary responsibility for targeting substrates for p

• Here we investigate in more

  2021-03-23

  

  Here we investigate in more detail how Dot1 function contributes to the regulation of DNA damage tolerance. We find that Dot1 modulates the response to the alkylating agent MMS through its catalytic activity on H3K79. In fact, progressively reduced levels of H3K79 tri-methylation result in gradually

• In this study we examined a possible

  2021-03-23

  

  In this study, we examined a possible association between the 19-bp LY294002 mg and the 9-bp repeat in the DHFR gene and the risk of spina bifida in 121 mothers of a spina bifida affected child, 292 control women, 109 spina bifida patients and 234 pediatric controls using a case-control design. Fur

• br Introduction Biocatalysis can be used to synthesize chira

  2021-03-23

  

  Introduction Biocatalysis can be used to synthesize chiral building blocks, such as monomers for polymer materials, and precursors for pharmaceuticals [[1], [2], [3], [4]]. Enzymes are very suitable for catalyzing reactions with high enantioselectivity to obtain chiral products. For instance, alc

• In addition to an action via P

  2021-03-23

  

  In addition to an action via P2Y receptors, extracellular UDP activates GPCRs for cysteinyl leukotrienes (CysLT1, CysLT2; Mellor et al., 2001, 2003). GPR17 has been reported to function as a receptor for cysteinyl leukotrienes and uracil nucleotides (Boda et al., 2011; Fumagalli et al., 2011; but se

• We showed for the first time

  2021-03-22

  

  We showed for the first time that ivermectin significantly reduced the pH-induced response of the pHCl-A variant at 300nM, whereas fipronil and γ-BHC had no significant effects on the channel unlike in RDL and GluCl (Fig. 4). Such a concentration is similar to the threshold at which ivermectin activ

15295 records 654/1020 page Previous Next First page 上5页 651652653654655 下5页 Last page