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Adenosine is a ubiquitous homeostatic purine nucleoside that
2023-12-21
Adenosine is a ubiquitous homeostatic purine nucleoside that accumulates extracellularly in response to metabolic stresses such as hypoxia and inflammation. Activation of either G protein-coupled adenosine receptors (ARs; A1R, A2AR, A2BR, and A3R) by extracellular adenosine can modulate cell signali
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G actin has a molecular
2023-12-21
G-actin has a molecular weight of 42 kD and dimensions about 55 × 55 × 35 Å3. It consists of 375 amino acids arranged into two individual domains (Alberts et al., 2014). A central cleft bisects the protein into two aforementioned domains which surround a deep cleft containing ATP or ADP and a tightl
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br Materials and methods All animal experiments were perform
2023-12-21
Materials and methods All animal experiments were performed using the recommendations of the Guide for the Care and Use of Laboratory Animals (National Research Council, 2011) and approved by the University of Colorado—Denver Institutional Animal Care and Use Committee. Adult male Sprague—Dawley
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The cellular mechanism underlying the
2023-12-21
The cellular mechanism underlying the CGS12066-mediated inhibition of glutamate release from hippocampal nerve terminals through presynaptic 5-HT1B receptors remains to be elucidated. 5-HT1B receptors are coupled to PTX-sensitive G proteins (Gi or Go) that have been shown to inhibit AC activity as w
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During the year study period of men in
2023-12-21
During the 4-year study period, 19.9% of men in the dutasteride group developed prostate cancer as compared to 25.1% in the placebo group, which represents an absolute risk Ponesimod of 5.1% for men taking dutasteride (Pe weighed against the prospect of undesirable sexual side effects and decreased
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The overall mechanism of the Cdc complex resembles
2023-12-20
The overall mechanism of the Cdc48 complex resembles that of the 19S regulatory subunit of the proteasome, which also uses receptor proteins to bind polyubiquitin chains attached to a substrate and employs a translocation mechanism (for review, see Kish-Trier and Hill, 2013). As with Cdc48, full sub
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Our results suggest that plasma membrane and
2023-12-20
Our results suggest that plasma membrane and a3-containing V-ATPases represent an important and novel target in the development of drugs to limit breast cancer metastasis. That knock-down of a3 has been shown to reduce metastasis of melanoma cells in an in vivo mouse model suggests that this role ma
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zj to j CK is considered a central controller of cellular
2023-12-20
CK is considered a central controller of cellular energy homeostasis that catalyzes the reversible transfer of a phosphoryl group from ATP to adenosine diphosphate (ADP) and creatine to produce PCr [5]. This enzyme builds up a large pool of rapidly diffusing PCr for temporal and spatial buffering of
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br Introduction Throughout early prophase I meiotic cells in
2023-12-20
Introduction Throughout early prophase I, meiotic cells intentionally generate DSBs as part of a stringently controlled process to initiate homologous recombination (HR). HR is a critical DSB repair pathway that ultimately permits the exchange of genetic information between homologous chromosomes
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br Extracellular domain architecture The extracellular regio
2023-12-20
Extracellular domain architecture The extracellular region of GABAB receptor exists in a heterodimeric configuration regardless of interactions within the rest of the protein (Geng et al., 2012, Liu et al., 2004, Nomura et al., 2008). The extracellular domains of the GABAB1 and GABAB2 subunits ar
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br Experimental section br Acknowledgements br
2023-12-20
Experimental section Acknowledgements Introduction DJ-1 is a highly conserved, homodimeric protein that was originally cloned as an oncogene capable of transforming Anhydrotetracycline hydrochloride in cooperation with activated ras[1]. DJ-1 is over-expressed in multiple tumor types and is
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carnitine palmitoyltransferase The results of our in vivo ex
2023-12-20
The results of our in vivo experiments provide promising evidence that the apelin/APLNR axis is implicated in CCA growth and that targeting this axis with a receptor specific antagonist may help develop effective, tumor directed therapies. Not only do we show decreased proliferation and angiogenesis
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It has been proposed that a PrP
2023-12-20
It has been proposed that a PrP pathogenic mechanism is a toxic gain of function secondary to the misfolding of mutated PrP. However, such a mechanism might not apply to all mutant PrP species, since some mutations had little effect on the stability and folding kinetics of PrP (Swietnicki et al., 19
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Although little is known about the etiopathogenesis of preec
2023-12-20
Although little is known about the etiopathogenesis of preeclampsia, this syndrome has a major impact on maternal and fetal health worldwide, since it is responsible for 10–15% of maternal deaths [16], [17], preterm births, intrauterine growth restriction (IUGR), and fetal deaths [2]. In developing
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Akt is another upstream kinase
2023-12-20
Akt is another upstream kinase known to phosphorylate AMPK Ser489 in response to high insulin levels [7], [21]. HepG2 FURA-2AM show an increase in phosphorylation of AMPK at Ser485 when incubated with either insulin or troglitazone individually (Fig. 5A and C). Despite this concurrent increase, onl
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