• In another study Nutlin a mediated p

  2020-09-21

  

  In another study, Nutlin-3a-mediated p53 activation induced strong negative impact on NF-κB signaling in LPS-stimulated neutrophils and macrophages [34]. Nutlin-3a limited cellular immune response to LPS, partly by attenuating DNA binding activity of NF-κB and impairing transcription of its target c

• Crystallographic and NMR based analyses have revealed that R

  2020-09-21

  

  Crystallographic and NMR-based analyses have revealed that RINGs and U-boxes have a common mode of interaction with E2s (Fig. 2A). The key structural elements are two loop-like regions, which, in the case of RINGs, coordinate Zn. The loops surround a shallow groove formed by the central α-helix. Tog

• BRCC is the catalytic subunit responsible for

  2020-09-21

  

  BRCC36 is the catalytic subunit responsible for the majority of K63-Ub-specific DUB activity in the cytoplasm and in the nucleus as part of two distinct macromolecular assemblies characterized by the presence of either of the MPN– pseudo DUB proteins KIAA0157 or Abraxas (Cooper et al., 2009, Dong et

• In light of the overall loss

  2020-09-21

  

  In light of the overall loss of activity and selectivity observed with this series of arylchromenone-4-ones bearing small -alkoxy substituents, we were pleased to identify a potent and relatively selective inhibitor , exhibiting IC values of 0.008μM and 0.07μM for DNA-PK and PI3Kα, respectively. The

• DNA bound Ku proteins recruit

  2020-09-21

  

  DNA-bound Ku proteins recruit DNA-PKcs; and thereby translocate into the duplex by one helical turn, leaving DNA-PKcs near the DNA terminus to assist in tethering the broken ends together [25]. In addition to keeping the DSBs in close proximity, DNA-PKcs may prevent exonucleolytic degradation of th

• br Methods To study electrostatic substrate channeling we em

  2020-09-21

  

  Methods To study electrostatic substrate channeling, we employed two methodologies, Brownian dynamics and a continuum model based on the Smoluchowski theory. Whereas Brownian dynamics simulations are useful for tracking the motion of individual particles, the continuum model is convenient for cal

• As part of a program to

  2020-09-21

  

  As part of a program to explore the key binding interactions between the core of 1 and DGAT-1 a systematic analysis of the aminopyrimidine subunit was initiated. A potential approach to improving passive permeability within this series would be to increase lipophilicity via incorporation of substitu

• Although PQQ has nutritional importance and

  2020-09-21

  

  Although PQQ has nutritional importance and pharmacological effects in higher organisms, including humans [15], until recently, there was no clear evidence for the use of PQQ as a co-factor in a eukaryotic enzyme. This review presents a novel eukaryotic PQQ-dependent quinohemoprotein recently discov

• br Results br Discussion Thus the biochemical

  2020-09-21

  

  Results Discussion Thus, the biochemical and structural studies of six Maf proteins from different organisms have revealed two subfamilies of new enzymes with the metal-dependent nucleoside triphosphate pyrophosphatase activity against both canonical and noncanonical pyrimidine nucleotides (Yh

• br Materials and methods br Results br

  2020-09-21

  

  Materials and methods Results Discussion In this study, we developed a new CysLT1 and CysLT2 receptors-mediated DZNep guinea pig model for screening both CysLT2 receptor and CysLT1/2 receptor antagonists. Unlike human CysLT2 receptors, which are equally stimulated by both LTC4 and LTD4[9],

• br NF B and STAT as Regulators of the CDK

  2020-09-21

  

  NF-κB and STAT as Regulators of the CDK System While current data support the concept that CDKs augment the proinflammatory activity of NF-κB, our understanding of the function of this transcription factor system in CDK regulation remains patchy. Seminal studies showed the contribution of NF-κB t

• After the policy of the current British

  2020-09-19

  

  After 1915, the policy of the (current) British Commonwealth countries (including Britain, Canada, Australia, India, New Zealand and South Africa) regarding the dead, was to ensure that as far as possible, whether identified or not, all recovered bodies would be given individual graves, with standar

• The availabilities of serotonin and dopamine are modulated b

  2020-09-19

  

  The availabilities of serotonin and dopamine are modulated by the serotonin transporter and catechol-O-methyltransferase enzyme. The serotonin transporter (5-HTT) is a key protein that reuptakes serotonin from the synaptic cleft back into synaptic boutons (Coleman et al., 2016; Talvenheimo et al., 1

• The recombinant Scl collagen system has shown

  2020-09-19

  

  The recombinant Scl2 collagen system has shown capability as a biomaterial as well because of its adaptability and scalability. Scl2 was functionalized to crosslink into a hydrogel without disrupting its triple helix [130]. The Scl2–hydrogel crosslinking also did not disrupt cell adhesion and integr

• The Fontan circulation When first described in the Fontan op

  2020-09-19

  

  The Fontan circulation When first described in 1971, the Fontan operation ushered in a new paradigm in the care of children born with the varied forms of complex congenital somatostatin receptor disease (CHD) characterized by a single effective pumping chamber.1., 2. This procedure, which creates

14621 records 756/975 page Previous Next First page 上5页 756757758759760 下5页 Last page