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However the Moon is not the only possible
2020-11-16
However, the Moon is not the only possible source for space resources. Asteroids, in particular near-Earth asteroids (NEAs), can provide an alternative source for propellant and other materials, sometimes at lower cost. There are an expected 4000 NEAs that require less propellant (delta-V) per trip
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br Conclusions and future perspectives It is
2020-11-14
Conclusions and future perspectives It is now evident that selective ETA or nonselective endothelin receptor antagonism provides therapeutic potentials against a variety of cardiovascular diseases such as hypertension, PAH, and diabetic microvascular dysfunction (Fig. 1). However, PAH is currentl
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These findings further extend our knowledge of how P
2020-11-14
These findings further extend our knowledge of how P4 and/or E2 can mediate anxiety and fear responses. Female rats in behavioral estrous and ovx rats administered systemic P4 and/or E2 demonstrated significantly less anxiety in the open field and/or elevated plus maze, compared to diestrous rats, a
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br Discussion EFTs are sarcomas with almost undifferentiated
2020-11-14
Discussion EFTs are sarcomas with almost undifferentiated histologic features, consequently their differentiation from other small, blue, round cell tumors may be difficult. Substantial intracellular DL-AP5 Sodium salt on PAS stain is a useful diagnostic feature. The addition of CD99 and FLI1 im
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In our former work our interest was
2020-11-14
In our former work, our interest was in discovery of novel VEGFR-2 inhibitors as anti-angiogenesis agents. Along this line, with natural alkaloid taspine as the lead compound, rounds of structure optimization were performed to develop novel VEGFR-2 inhibitors [[13], [14], [15]]. Among them, BPS-7, b
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The key difference between the
2020-11-14
The key difference between the membrane zymography and classical measurements of enzyme activities in soil slurries is the enzyme-substrate accessibility. Classical enzyme assays maximize access of substrate to all potentially reactive enzyme sites by ensuring sample destruction and detachment follo
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In the current study we have elucidated an intrinsic mechani
2020-11-13
In the current study, we have elucidated an intrinsic mechanism by which PD-1 signaling maintains Foxp3 in Tbet+iTreg and iTreg cells. The data presented here demonstrate that PD-1 can inhibit a functional nuclear pool of active asparaginyl endopeptidase (AEP), an endo-lysosomal protease previously
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In the course of this study
2020-11-13
In the course of this study, K+PFOS did not appear to have any effect on the thyroid parameters evaluated (H&E histology, follicular epithelial cell proliferation, and follicular epithelial apoptosis). This is an interesting observation considering the fact that treatment with K+PFOS resulted in act
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Likewise the conserved cysteine in the E
2020-11-13
Likewise, the conserved cysteine in the E2 protein is the only residue shown to be essential for the transfer of Ub/Ubl from E2 to the HECT ligases (Dye and Schulman, 2007, Wu et al., 2003). However, all other terminal Ub/Ubl transfer reactions involving E2 enzymes suggest a critical role for the ta
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Intriguingly one E residue may serve as a
2020-11-13
Intriguingly, one E2 residue may serve as a molecular ‘gate’ to allow the C-terminus of ubiquitin to access the closed E2~Ub conformations favorable for ubiquitin transfer. This residue, Asp87 in UbcH5 family members, resides on one side of the opening that leads to the active site Cys (Fig. 4D). In
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Cellular immune responses such as phagocytosis
2020-11-13
Cellular immune responses, such as phagocytosis and apoptosis, are very important processes to eradicate the invading pathogens and reduce concomitant host damage. And all of these processes are fine-tuned by the ubiquitin system (Li et al., 2016). Phagocytosis is a major mechanism of cellular immun
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Inflammatory action of certain cytokines can influence cell
2020-11-13
Inflammatory action of certain cytokines can influence cell proliferative routes (Deshmane et al., 2009). When mTOR is inhibited, for instance by the action of Rapa, TGF-β1, which has an anti-inflammatory action, is increased. The relationship between high levels of TGF-β1 and Raltitrexed arrest ha
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Together the protein engineering approaches employed
2020-11-13
Together, the protein engineering approaches employed by Teyra et al., (2019) demonstrate the effectiveness of affinity maturation for improving the affinity of UbVs, but this comes at a cost in terms of specificity. Indeed, the most effective UbV was the dimeric construct generated from UbVs isolat
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Mammalian cells have two distinct DNA repair pathways
2020-11-13
Mammalian Cyanine 5-dCTP have two distinct DNA repair pathways for DSBs, NHEJ and HR. Our data are consistent with the suggestion that the DNA–PK-mediated NHEJ pathway recognizes DSBs faster than the HR pathway and acts before the activation of the DNA damage S-phase checkpoint. The activation of N
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This hydrophobic biphenyl tail gave
2020-11-13
This hydrophobic biphenyl tail gave good binding affinity for human DHODH enzyme (IC SB 204070 was found to be the main metabolite in human microsomes and it was 100-fold less active against hDHODH than the ester. In an attempt to identify the specific non-covalent binding interactions which were
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