• Besides chemopreventive effects against oxidative DNA damage

  2021-09-01

  

  Besides chemopreventive effects against oxidative DNA damage we evaluated the protective effects of the three Hypericum sp. and isolated compounds against alkylating DNA damage induced by MMS in HT29 cells. Human exposure to alkylating agents, from different sources, occurs in a continuous way and i

• br Conformational properties of DGK

  2021-08-31

  

  Conformational properties of DGKϵ Interaction of DGKϵ with its lipid substrate A major component of the interaction between DGKϵ and lipid bilayers is the insertion of the hydrophobic segment comprising residues 20–42 into the membrane, as discussed above. However, this is not the only interac

• In order to gain further

  2021-08-31

  

  In order to gain further insights into the role of peptidases in B. xylophilus, four cysteine proteases highly secreted by B. xylophilus (Cardoso et al., 2016) were selected four further characterisation. Materials and methods Results and discussion Structural prediction and analysis The i

• In the pleural exudates which reflect the in vivo conditions

  2021-08-31

  

  In the pleural exudates, which reflect the in vivo conditions, the concentrations of CysLTs and PGE2 were quite similar. However, when cancer CNQX were cultured for 24 h, both analyses of cell culture medium and cell incubations with Ca2+ ionophore showed low levels of CysLTs. In contrast, the predo

• In the present study we investigated the

  2021-08-31

  

  In the present study, we investigated the role played by CRF1 and CRF2 receptors located within the mouse PAG on the anxiogenic and antinociceptive effects produced by local infusion of CRF. To block CRF receptors, we used the selective CRF1 and CRF2 PFI-2 antagonists, respectively, NBI 27914 ((5-c

• br Multi hierarchical structure of

  2021-08-31

  

  Multi-hierarchical structure of collagen Protein structure is the foundation of protein functions and properties. It is generally accepted that the protein has biological function only when it has tertiary structure or above. Among the identified 28 types of collagen, most is known about type I c

• In mouse lung arsenite enhances the formation

  2021-08-31

  

  In mouse lung, arsenite enhances the formation of cigarette smoke-induced 8-oxodeoxyguanine (Hays et al., 2006) and BaP-induced DNA adducts (Evans et al., 2004). Moreover, arsenite inhibits the repair of BaP-induced DNA adducts in human lung carcinoma A549 DIDS (Schwerdtle et al., 2003), indicating

• br Loss of Chk sensitizes

  2021-08-31

  

  Loss of Chk 1 sensitizes receptor tyrosine kinase to hypoxia/reoxygenation In contrast to Chk 2, studies have identified Chk 1 as being phosphorylated in an ATR-dependent manner at residue serine 345 during hypoxia [18]. More recently, siRNA mediated inhibition of Chk 1 signaling was found to se

• Several reasons may explain that other

  2021-08-31

  

  Several reasons may explain that other studies using PDE-5-Is yielded negative or contradictory results [30], [31], [32]. Lee [30] applied 50mg sildenafil to seven patients with liver cirrhosis. NO and cGMP in the hepatic A-769662 significantly increased, hepatic and pulmonary resistance decreased

• Evidence for interactions between the endothelin

  2021-08-31

  

  Evidence for interactions between the endothelin and the angiotensin system has also become plentiful. It has become clear that the two systems, in addition to acting independently, can act synergistically (Emori et al., 1989, Imai et al., 1992) as well as promote the peptide mRNA expression in endo

• Primary renal PNET was first reported by Seemayer

  2021-08-31

  

  Primary renal PNET was first reported by Seemayer et al in 1975. The possible etiology of rPNET is based on the theory of neural cell intussusception in the kidney during development that initiates the tumorigenesis. rPNET most commonly affects young adults, with a mean age of 30.4 years and male pr

• EX 527 Fusion genes are formed as the result of

  2021-08-31

  

  Fusion genes are formed as the result of either structural chromosomal rearrangement including, primarily, translocation, inversion, amplification and deletion, or non-structural aberrations caused by cis- and trans-splicing or transcriptional read-through. Such events are known to play important ro

• In contrast a single instillation of BLM

  2021-08-31

  

  In contrast, a single instillation of BLM results in a progression of inflammatory events that culminates in marked remodeling of the lung interstitium. This process takes 2–3 weeks, with the fibrotic lesions becoming most pronounced within the first month [9]. Consequently, the BLM model offers the

• Other GPCRs notable for changes in expression

  2021-08-31

  

  Other GPCRs notable for changes in expression on CLL cells include upregulation of the thromboxane A2 receptor TBXA2R mRNA [61] and up and downregulation of mRNA and protein from the neurotensin receptors NTSR2 and NTSR1, respectively [62]. The Eμ-TCL1 mouse model of CLL has been used to study mult

• br Introduction br Structure of the Ku heterodimer associate

  2021-08-30

  

  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

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