• How does the ATM to ATR switch

  2023-10-12

  

  How does the ATM-to-ATR switch occur at DSBs? The progressive attenuation of ATM activation could be attributed to the loss of DNA structures that activate ATM, or to the generation of DNA structures that interfere with ATM activation. Our finding that SSOs do not directly affect the binding of puri

• Given the recent discovery of regions of single

  2023-10-12

  

  Given the recent discovery of regions of single-stranded DNA in the nuclei of hypoxic cells, the role for ATR in the response to hypoxic stress seems clearer . Zou and Elledge demonstrated that both Ddc 2 (the homolog of ATRIP) and ATRIP have a lower affinity for double-strand breaks than they do fo

• br Concluding remarks It is clear that a disordered

  2023-10-12

  

  Concluding remarks It is clear that a disordered l-arginine homeostasis by changes in arginase, NOS and ADMA activity and expression, is not only vital in the chronic airway diseases, molarity by dilution and COPD, but also seems to play an important role in many co-morbidities. Unknown, however

• br Materials and methods br Acknowledgement This

  2023-10-12

  

  Materials and methods Acknowledgement This work was supported by the Beijing Natural Science Foundation (Grant no. 6151001), and the National Natural Science Foundation of China (Grant no. 31572516). Introduction Staphylococcus aureus is an important microorganism responsible for both clin

• Our observation that squalestatin caused only small differen

  2023-10-12

  

  Our observation that squalestatin caused only small differences in the production of Aβ40 and Aβ42 was in contrast to prior reports of the effects of other cholesterol synthesis inhibitors. This may be due to using squalestatin, a more specific cholesterol synthesis inhibitor that does not affect is

• Here we found that AMPK

  2023-10-12

  

  Here we found that AMPK directly phosphorylates EZH2 at Thr311 to disrupt its interaction with SUZ12 and to inhibit PRC2 enzymatic activity, which is supported by the increased expression of PRC2-repressed genes. Furthermore, the T311E-EZH2 mutant that mimics AMPK-mediated phosphorylation status sup

• Evidence shows that glial activation

  2023-10-12

  

  Evidence shows that glial activation increases the expression of cytokines and chemokines in Parkinson's disease, which precede the degeneration of the substance nigra (Halliday and Stevens, 2011, Tansey and Goldberg, 2010). The use of non-steroidal anti-inflammatory drugs (except aspirin) can preve

• We found that decreased Ng

  2023-10-12

  

  We found that decreased Ng levels lead to a lower threshold for LTD induction at L4–L2/3 synapses. Previous studies in hippocampal slice culture have shown that LTD at individual synapses induces spine elimination at both the targeted synapse and selective neighboring synapses when spines are monito

• br Introduction AMPA receptors AMPARs mediate the majority o

  2023-10-12

  

  Introduction AMPA receptors (AMPARs) mediate the majority of fast excitatory postsynaptic currents (EPSCs) in the s6 kinase (Jonas, 2000). The brevity of EPSCs and rapid deactivation of AMPARs depend upon a short lifetime of synaptically released glutamate, estimated to be about 1 ms (Clements e

• In view of the ubiquitous distribution of the

  2023-10-12

  

  In view of the ubiquitous distribution of the arachidonate 12S-lipoxygenase isoforms and the variety of cellular reactions influenced by the resulting arachidonate metabolites, these products widely play important roles in many biological systems. The development of new type-specific inhibitors of t

• Our results showed that oral administration of cordycepin in

  2023-10-12

  

  Our results showed that oral administration of cordycepin, in the concentrations of 5 and 10mg/kg for 3weeks, exerted no influence on body weight and hippocampus weight in mice. Although some reports have pointed out that cordycepin had toxic effects because it may be potential for inducing cell dea

• br Materials and methods br Results

  2023-10-12

  

  Materials and methods Results The average body weights for each group of mice over the course of the study are shown in Fig. 2A. The average body weights of the mice in the saline control group and PACAP group increased slightly during the study. In contrast, starting at day 17, the body weig

• br Introduction Adenosine deaminase ADA also

  2023-10-12

  

  Introduction Adenosine deaminase (ADA), also known as adenosine aminohydrolase, is a key enzyme involved in the purine metabolism that converts adenosine to inosine irreversibly (Lupidi et al., 1997). It is a zinc containing metalloenzyme present in both prokaryotes and eukaryotes. In humans ADA

• br Actin at presynapses br Conclusion

  2023-10-12

  

  Actin at presynapses Conclusion Thanks to the recent discovery of rings, hotspots and trails, axonal phalloidin is back in the spotlight. These are exiting times for neuronal cell biologists armed with constantly improving labeling and imaging techniques to observe, quantify and perturb these

• To date the modes of actions of

  2023-10-12

  

  To date, the modes of actions of pharmaceuticals in humans and mammals are well-known (Fent et al., 2006), whereas knowledge of aquatic organisms, particularly invertebrates, is limited. This is problematic as these contaminants/pollutants have potentially harmful effects on wildlife organisms that

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