• The concept of GPCRs and EGFRs existing as heteromers

  2021-03-08

  

  The concept of GPCRs and EGFRs existing as heteromers is consistent with previous studies. Co-immunoprecipitation studies have shown that agonist stimulation (both AngII and EGF) promotes a multi-protein complex containing the AT1R and EGFR, however these endpoint assays were not in live cells or in

• br Results and discussion br Conclusion We

  2021-03-05

  

  Results and discussion Conclusion We have constructed a series of potent and greatly selective DPP-4 inhibitors with pyrazolo[1,5-a]pyrimidin-7(4H)-one core surrogates. The modification of the core led us to b2 which has IC50 of 80 nM and > 1000 fold selectivity over DPP-8 and DPP-9. We utiliz

• br Conflict of Interest br Acknowledgements Marques F was

  2021-03-05

  

  Conflict of Interest Acknowledgements Marques F. was supported by the Foundation for Science and Technology (FCT), Portugal, Grant UMINHO/BI/35/2012. This work was supported by FCT by the Project PTDC/AGR-AAM/70418/2006. Introduction β-methylamino-l-alanine (BMAA) exposure has long been as

• br Materials and methods br

  2021-03-05

  

  Materials and methods Results Discussion Although no increase in DAPK activity was detected at early time points associated with neuronal apoptosis, it is possible that the spread of apoptosis through the hqn synthesis following HI is not synchronized enough to yield a large, consistent flu

• Ung et al examined a variety of

  2021-03-05

  

  Ung et al. examined a variety of structural features based upon the location of the DFG-motif and the αC-helix to define the conformational space of the catalytic domain of protein kinases [75]. They reported that the DFG motif can move from its active DFG-Din location to the inactive DFG-Dout locat

• MTT results show that both pancreatic cell lines

  2021-03-05

  

  MTT results show that, both pancreatic cell lines were quite sensitive to camptothecin (CPT), a well known topoisomerase I poison. Interestingly, CPT does not show any selectivity over cancer cell lines probably due to the duplication times for cancerous (MIA PaCa-2) and immortalized healthy (HPDEC)

• br Effects of estrogen on

  2021-03-05

  

  Effects of estrogen on vascular function Atherosclerosis is a chronic inflammatory condition of the vascular wall (Figure 1) that can be converted to an acute clinical event by the induction of plaque rupture or erosion, leading to thrombosis [58]. This perpetuating process is characterized by ph

• For immobilization of enzymes natural polymers depict

  2021-03-05

  

  For immobilization of enzymes, natural polymers depict several outstanding features as support. These materials are inert, non-toxic, biodegradable and biocompatible. As well as, they can be treated with different functional groups easily by chemical reactions that occur under gentle conditions in a

• PKA signalling in the nucleus was thought to be

  2021-03-05

  

  PKA signalling in the nucleus was thought to be due to the translocation of the catalytic subunit upon activation from the HU 308 to the nucleus via diffusion [72]. However, a new understanding has emerged, as both the regulatory and catalytic subunits have been identified in the nucleus and functi

• Inappropriate heme metabolism has been linked to several neu

  2021-03-05

  

  Inappropriate heme metabolism has been linked to several neuropsychiatric disorders. In the hippocampi of Alzheimer's disease (AD) patients, for example, heme was found to binds intracellular amyloid β (Aβ), resulting in reduced heme bioavailability and its functional deficiency (Atamna and Frey, 20

• The AURA trial was a

  2021-03-05

  

  The AURA trial was a phase I/II study evaluating the safety, tolerability and activity of Osimertinib in patients with EGFR-mutated NSCLC progressing after a previous EGFR TKI. The phase I component of the study included a dose escalation part (Osimertinib 20mg to 240mg), using a rolling six design,

• br Materials and methods br Results br Discussion

  2021-03-05

  

  Materials and methods Results Discussion Anti-EGFR therapy for epithelial carcinomas has important clinical significance, but widespread intrinsic or acquired resistance seriously affects efficacy. Mutation and heterodimerization of EGFR are the two main causes of resistance to anti-EGFR th

• br Materials and methods br Results

  2021-03-05

  

  Materials and methods Results Discussion Macrophages and dendritic cells respond to Toll-like receptor (TLR) ligands by upregulating CH25H expression [4], [5]. In the latter cell type TLR-dependent upregulation is mediated via a signalling pathway that involves NFκB and IFNβ secretion and c

• Crystallographic and NMR based analyses have

  2021-03-05

  

  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

• UBA belongs to the non canonical E

  2021-03-05

  

  UBA5 belongs to the non-canonical E1 enzymes that lack a defined Cys domain but have the active-site Cys within the adenylation domain [24]. Similar to other E1 enzymes, UBA5's adenylation domain comprises an eight-stranded beta sheet that is surrounded by helices [21]. Moreover, like the ancestral

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