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Ingested folate needs to be chemically modified
2021-06-09

Ingested folate needs to be chemically modified in order to become a one carbon donor for cell metabolism. Firstly, folate turns to dihydrofolic influenza a virus (DHF), it is then converted into tetrahydrofolate (THF) by the dihydrofolate reductase enzyme (DHFR) and finally converted into N5, N10-
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MTX and MTXPGs block the activity of the key enzyme
2021-06-09

MTX and MTXPGs block the activity of the key enzyme DHFR (Fig. 1), which converts folates to their active forms – dihydrofolate (DHF) and tetrahydrofolate (THF). MTXPGs also potently inhibit thymidylate synthase (TS). Furthermore, during dTMP synthesis, TS utilizes the cofactor 5,10-methylene THF, w
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One strategy which is different from
2021-06-09

One strategy which is different from the above is to isolate a similar enzyme to the one under study which will not be recognized by the antibody of the original protein. This approach will lead to prolonging an enzyme’s activity. For example, a novel variant of Carboxypeptidase G2 (CPG2), which has
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Stable carbon and nitrogen isotope ratios
2021-06-09

Stable carbon and nitrogen isotope ratios in bone collagen and carbon isotope ratios in bone apatite data were obtained by the means of the techniques described in supplementary data (SD1). For collagen, standard indicators have been used to assess its preservation, such as collagen yield, carbon an
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br Materials and methods br Results
2021-06-09

Materials and methods Results Discussion Persimmon tannin has been reported to have the bile acid binding ability in vitro (Matsumoto et al., 2011) and hypolipidaemic effects in animals (Matsumoto et al, 2008, Zou et al, 2012). Our previous study also proved that persimmon tannin promoted t
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br Materials and methods br Results and discussion br Conclu
2021-06-09

Materials and methods Results and discussion Concluding remarks Together, the results of the theoretical kinetic simulations and of the analysis of the experimentally determined kinetic data of SoBADH performed in this work show that ignoring substrate inhibition causes potentially importan
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br Conflict of interest br Acknowledgements This work was
2021-06-09

Conflict of interest Acknowledgements This work was supported by Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP: 2014/00926-3). Introduction The metacestodes of Taenia solium are the causative agent of cysticercosis, which mainly resides the skeletal muscles and the central n
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Valproic acid VPA is a
2021-06-08

Valproic Palosuran receptor (VPA) is a first-line treatment for epilepsy and bipolar disorder, although its therapeutic mechanism of action is not fully understood. Considerable evidence suggests that VPA can act through the GABAergic system, NMDA receptors, and/or sodium channels (for review, see L
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Introduction Double strand break DSB is the most deleterious
2021-06-08

Introduction Double strand break (DSB) is the most deleterious damage that threats DNA integrity. This frequent damage arises from environmental stress like UV, chemical agents or ionizing radiations (IRs). Although environmental stress does not lead directly to DSB, it produces silibinin damage,
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br Material and methods br Results br Discussion
2021-06-08

Material and methods Results Discussion Ligase IV is essential for the final ligation of DSBs through the NHEJ pathway. Its co-factor, XRCC4, has been shown to be important for increasing its activity and stability. Interaction between these two factors have been mapped to the linker region
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This hydrophobic biphenyl tail gave good binding
2021-06-08

This hydrophobic biphenyl tail gave good binding affinity for human DHODH enzyme (IC corresponding SC 560 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
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With regard to the DGATs
2021-06-08

With regard to the DGATs, we have found that the majority of algal species encode at least one DGAT1, although it appears to be absent from Ostreococcus and Micromonas, as is the case for yeast, S. cerevisiae. More surprising is the presence of multiple DGAT2 genes in algae, with the exception of C.
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Given the importance of cysteine cathepsin inhibitors
2021-06-08

Given the importance of cysteine cathepsin inhibitors as putative therapeutic molecules and microbial virulence factors, we chose to investigate whether Yersinia enterocolitica may be a potent producer of such inhibitors. Y. enterocolitica is the most heterogeneous species within the genus Yersinia.
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The excitatory amino acid L glutamate or glutamate mediates
2021-06-08

The excitatory amino jasplakinolide L-glutamate or glutamate mediates most of the excitatory neurotransmission within the mammalian central nervous system (CNS) and has been implicated in numerous peripheral nervous system (PNS) pathways. The excitatory amino acids, including glutamate, are of grea
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It has been reported that NMDA receptor hypofunction upregul
2021-06-08

It has been reported that NMDA receptor hypofunction upregulates the expression of immediate early genes in several OSU-03012 synthesis regions [39], [40]. Consistent with this finding, we demonstrated that MK-801 increased the number of c-Fos-positive cells in the PVN and PC/RS (Fig. 5). Important
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