• A key step in the

  2023-12-25

  

  A key step in the ADAR reaction is the formation of the adenosine covalent hydrate with a tetrahedral center at C6. The nucleoside analog 8-azanebularine (box in Fig. 6), with its relatively high propensity to form a covalent hydrate, is useful as an adenosine replacement in ADAR2 substrates to trap

• The nAChR has been considered an interesting

  2023-12-25

  

  The α7 nAChR has been considered an interesting potential target for numerous therapeutic indications over the last two decades, with GTS-21 one of the first candidates proposed for Alzheimer's disease [2], [3], [23]. Unfortunately, although many α7-selective agonists have been developed [21], none

• Regarding androgens it is known

  2023-12-25

  

  Regarding androgens, it is known that they are also essential for reproductive success (Walters et al., 2010). At the molecular level, their effects are produced mainly by dihydrotestosterone (DHT), arising from the conversion of testosterone by the enzyme 3-oxo-5-alpha-steroid-4-dehydrogenase (enco

• br The Molecular Machinery of Autophagy

  2023-12-25

  

  The Molecular Machinery of Autophagy and Regulation by Sphingolipids Sphingolipid-Mediated Autophagy in Cancer: Dr. Jekyll and Mr. Hyde Autophagy is an evolutionarily conserved stress response that typically promotes survival and antagonizes apoptosis. However, excessive autophagy was found to

• br Results and discussion br Conclusion A series of aminoben

  2023-12-25

  

  Results and discussion Conclusion A series of aminobenzothiazole derivatives were investigated as possible Aurora B kinase inhibitors. Bioisosteric replacement of the heterocyclic core of the lead compound was performed regarding the docking analysis. Replacement of the oxygen L-Mimosine mg of

• Crystal structures were obtained of sulfonamide and

  2023-12-25

  

  Crystal structures were obtained of sulfonamide 18 and amide 19 as a derivative of amide 36 (Fig. 7A and B). The precise rotameric orientation of amide 36 was of significant interest to understand the compound's interaction with the protein. As it would be difficult to assign the rotomer of 36, the

• Human hepatocyte transplantation resulted in some animals wi

  2023-12-25

  

  Human hepatocyte transplantation resulted in some animals with relatively sparse repopulation while others had >90% of their liver containing human hepatocytes. The presence of circulating human albumin varied based on the amount of repopulation as the degree of humanization is reported to correlate

• Cell surface metalloproteases coordinate signaling during de

  2023-12-22

  

  Cell surface metalloproteases coordinate signaling during development, tissue homeostasis, and disease. A disintegrin and metalloprotease 17 (ADAM17) is a well-characterized member among ADAM family, which mediates the cleavage of various cell surface proteins (Black, 2002, Black et al., 1997, Dello

• The metabolism of amino acids into volatile aldehydes involv

  2023-12-22

  

  The metabolism of amino acids into volatile aldehydes involves both decarboxylation and deamination steps. The order of these reactions and the enzymes performing the catalysis differ among plants [13]. In tomato fruit the conversion of L-Phe to 2-phenylethanal is catalyzed by two enzymatic steps, i

• While the mechanisms by which

  2023-12-22

  

  While the mechanisms by which ALDH2 regulates cardiac responses to pathological stress remain unclear, the capillary rarefaction found in pressure-overloaded ALDH2 Tg hearts provides potential clues. Loss of capillary density and diminished endothelial function occur in pathological hypertrophy [46]

• Herein we employ an adapted targeted quantitative proteomic

  2023-12-22

  

  Herein we employ an adapted targeted quantitative proteomic isotope dilution method, developed in our laboratory [[18], [19], [20], [21]], to quantify membrane transporters in fresh lung from five donors, in four immortalized human lung cell lines and in three control cell lines. We quantify twelve

• In previous research we determined that

  2023-12-22

  

  In previous research, we determined that blocking mAC during heparin-induced capacitation result in sperm having a lesser oxygen consumption, suggesting that cAMP produced by this enzyme would be linked to mitochondrial activity and, therefore, with the regulation of sperm metabolism (Fernández and

• br Materials and methods br Results and discussion

  2023-12-22

  

  Materials and methods Results and discussion Conclusion Amino-functionalized mesoporous TiO2-NH2 microparticles were used to immobilize ADA, followed by GLU cross-linking. The mesopores provided a natural microenvironment with sufficient room for the enzyme to efficiently perform its cataly

• Finasteride has been shown to

  2023-12-22

  

  Finasteride has been shown to be a mechanism-based inhibitor of 5AR-2 [9]. Finasteride acts as an alternate substrate for 5AR-2 and is initially bound in an extremely stable enzyme-bound NADP-dihydrofinasteride adduct which is ultimately processed to dihydrofinasteride. The NADP-dihydrofinasteride a

• Several dehidropregnenolone derivatives functionalized at C

  2023-12-22

  

  Several 16-dehidropregnenolone derivatives functionalized at C3, C4, C5 and C6 (Fig. 7) were prepared and evaluated as 5α-reductase inhibitors bearing in mind that after the formation of an enzyme-steroid complex a nucleophilic portion of the enzyme attacks the double bond of the steroid through Mic

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