• br Introduction br Structure of the

  2021-03-01

  

  Introduction Structure of the Ku heterodimer associated to DNA The atomic structure of the Ku heterodimer, alone and bound to a small DNA fragment, was recently determined (Walker et al., 2001) and has significantly improved our understanding of DNA recognition by DNA-PK holoenzyme (Fig. 3). B

• br Results and discussion In the

  2021-03-01

  

  Results and discussion In the present study, we used a set of compounds (Fig. 2) consisting of ATP (a), dATP (b), an ATP analog containing β,γ-nonhydrolyzable hypophosphate P-P bond (c), and three pairs of P-diastereoisomers of α-thio-ATP analogs (d,e,f) containing a sulfur tetrandrine instead o

• br Conflict of interest br

  2021-03-01

  

  Conflict of interest Acknowledgements This work was funded by the National Science Centre, Poland, grant number N N303 571539. We are greatly indebted to Patrick Fox for help with the final manuscript. Introduction Alkylating agents which interact directly with DNA to form covalent bonds h

• Introduction DHFR is an important enzyme in both mammals and

  2021-03-01

  

  Introduction DHFR is an important enzyme in both mammals and microorganism including Mycobacterium tuberculosis (Mtb). It catalyzes folic betaxolol conversion to dihydro and tetrahydro folic acid which is a crucial step in folate pathway [1]. Inhibition of folate pathway leads to interruption of t

• br Signaling of DDR receptor and its regulation

  2021-03-01

  

  Signaling of DDR2 receptor and its regulation Being the tyrosine kinase receptor, downstream signaling of DDR2 receptor is initiated by phosphorylation of cytoplasmic tyrosine residue upon ligand binding (Type II collagen) but the authentic facts or detail information of tyrosine phosphorylation

• In the present study we combined activity

  2021-03-01

  

  In the present study, we combined activity-based protein profiling, biochemical and genetic approaches to identify the PLCPs involved in the sphingolipid pathway leading to plant PCD. By using Arabidopsis chemokine receptor and leaves, we demonstrate that this sub-class of plant proteases is activa

• To be a qualified non specific CYP inhibitor used as

  2021-03-01

  

  To be a qualified non-specific CYP inhibitor used as an in vitro or in vivo screening tool to distinguish CYP involvement in the overall metabolism, a complete inhibition of the entire metabolism catalyzed by CYPs in a simple experiment is desired. Based on our results, 100 μM atipamezole can comple

• In humans individual differences in prefrontal dopamine are

  2021-03-01

  

  In humans, individual differences in prefrontal dopamine are partially caused by the Val158Met single-nucleotide polymorphism on the catechol-O-methyltransferase gene (COMT). This gene controls activity of the COMT enzyme, which degrades extracellular catecholamines including dopamine. The Val varia

• br Collagens as new drivers of zebrafish tissue regeneration

  2021-03-01

  

  Collagens as new drivers of zebrafish tissue regeneration Contrary to mammals, zebrafish possess very high regeneration capacities and thereby represent a versatile model to study tissue and organ regeneration. Adult fish can fully reconstruct their brain, spinal cord, retina, kidney, liver, panc

• In order to validate the ATP competitive mode of inhibition

  2021-03-01

  

  In order to validate the ATP competitive mode of inhibition, compound 12 was selected as a representative inhibitor of this series, and the IC50 values were determined at eight different concentrations of compound 12 ranging from 0.001 to 100 μM, and repeated four times using different ATP concentra

• Taking all the data together we propose the

  2021-03-01

  

  Taking all the data together, we propose the possible mechanism of glyphosate-induce cell proliferation via estrogen receptor signaling (Fig. 10). Glyphosate may bind to ERα followed by an activation step that starts with the phosphorylation of ERα and activation of other signaling proteins by phosp

• Fujimoto et al pointed out that

  2021-03-01

  

  Fujimoto et al. pointed out that RPN2 knockout alleviated the resistance of GC L-690,330 (MKN74 and KATO III) to docetaxel and DDP [23]. Yuan et al. demonstrated that the depletion of RPN2 resulted in the reduction in resistance of GC cells to drugs such as irinotecan, docetaxel, doxorubicin, oxali

• The Acat gene was identified by

  2021-03-01

  

  The Acat1 gene was identified by functional complementation of a Chinese hamster ovary cell mutant lacking ACAT activity [12]. Unlike most other genes, human Acat1 is located in two different chromosomes, cmk 1 and 7, with each site containing a distinct promoter: chromosome 1 contains exons 1–16,

• Despite a high affinity for progesterone and a relatively

  2021-03-01

  

  Despite a high affinity for progesterone and a relatively high affinity for testosterone [7], the binding of progesterone and testosterone to CBG is often disregarded [1], [2], [3]. However, the concentrations of these two hormones varies considerably under both normal physiological and pathophysiol

• The possibility of harm with DPP inhibitors in

  2021-02-27

  

  The possibility of harm with DPP-4 inhibitors in patients with clinically overt heart failure has been recently highlighted by the results of the VIVIDD (Vildagliptin in Ventricular Dysfunction Diabetes) trial (68), the only trial to date that has been designed to evaluate the effects of a DPP-4 inh

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