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DNA methylation is an important mechanism
2020-07-30
DNA methylation is an important mechanism regulating gene expression, and it is required for normal mammalian development.26, 27, 28 Alteration in DNA methylation is a hallmark of cancer10, 29, 30 and may be observed as a loss of global methylation or as a gain of methylation of selected CpG islands
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6656 It is important to acknowledge a second COMT
2020-07-30
It is important to acknowledge a second COMT (COMT2), which is related to COMT1 that regulates dopamine levels in the brain, is widely expressed in inner and outer hair cells of the cochlea. A mutation to a COMT2 shows defects in cochlear function in both mice and humans that are related to hearing
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The difference in the localization of ACC
2020-07-30
The difference in the localization of ACC receptors between C. elegans and H. contortus resembles the situation observed with the ivermectin target, the GluCl. In C. elegans, GluCl subunits have been localized to pharyngeal muscle and various neurons (Dent et al., 1997, 2000; Laughton et al., 1997),
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The catalytic mechanism of DGK is conserved from the bacteri
2020-07-29
The catalytic mechanism of DGKϵ is conserved from the bacterial enzyme, DgkB. However, all mammalian forms of DGK are much larger than DgkB; including the smallest isoform, DGKϵ. This allows the mammalian DGKs to evolve additional specific properties. In the case of DGKϵ, one of these properties is
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br Role of CRF receptors
2020-07-29
Role of CRF2 receptors in the VTA in stress-induced relapse to cocaine seeking In 2005, the laboratory of Roy Wise [26] showed that CRF is released in the VTA after exposure to footshock in naïve rats and in cocaine-experienced rats. Furthermore, they showed that this released CRF is responsible
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Acute lung injury ALI is
2020-07-29
Acute lung injury (ALI) is a life-threatening disease characterized by serious lung inflammation and increased capillary permeability. Isofraxidin (IF) 36, a Coumarin sodium fluoride mg isolated from the natural medicinal plants such as Sarcandra glabra and Acanthopanax senticosus, which have been
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The fecal sterol analysis clearly showed that dietary
2020-07-29
The fecal sterol analysis clearly showed that dietary piperine significantly increased fecal excretion of cholesterol and total neutral sterols in a dose-dependent pattern (Table 4). In humans, 1200–1300 mg cholesterol enters the small intestine lumen with 300–400 mg coming from the diet and the res
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In the kidneys sensorimotor nerves counterbalance effects of
2020-07-29
In the kidneys, sensorimotor nerves counterbalance effects of ET1 through release of one of their neurotransmitters, calcitonin-gene-related peptide (CGRP) [65]. In rat mesenteric arteries, stimuli of peri-arterial sensorimotor nerves and exogenous CGRP relax contractile responses to ET1 more potent
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LigA inhibitors have been reported
2020-07-28
LigA inhibitors have been reported by several groups. Bayer reported a series of potent pyridochromanone inhibitors of LigA. AstraZeneca reported a series of potent adenosine based inhibitors. There have also been reports of inhibitors from a number of PF-573228 including: arylamino acids, tetracyc
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br Hypothesis on DDR protective mode
2020-07-28
Hypothesis on DDR1 protective mode of action The documented protective role of DDR1 is quite impressive, demonstrated using different preclinical models (immunologic [46,54,58], obstructive [45], and hypertensive [50]) with different intervention paradigms: genetic ablation [45,50,58,72], silenci
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As temperatures increase rates of spontaneous deamination
2020-07-28
As temperatures increase, rates of spontaneous deamination also increase such that hyperthermophilic organisms must have efficient mechanisms for dealing with this potential hazard.8., 9. The hyperthermophile Methanococcus jannaschii has both a dCTP deaminase (encoded by the gene at locus MJ0430) an
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The aim of this study was to evaluate the
2020-07-28
The aim of this study was to evaluate the role of aberrant methylation of promoter regions of tumor suppressor genes in the clonal glycine receptors from MGUS to MM. Thus, we analyzed in MGUS, SMM, and symptomatic MM patients, the methylation status of 4 genes—p15, p16, p53, and DAPK—whose promoter
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Conversely P Y receptors are GPCRs
2020-07-28
Conversely, P2Y receptors are GPCRs responsive to both PFI-2 (ATP, ADP) and uracil (UTP, UDP) nucleotides, or to sugar nucleotides (UDP-glucose and UDP-galactose) [25]. Eight P2Y receptor subtypes are currently recognized: the P2Y1,2,4,6,11,12,13,14 receptors (ibidem). These receptors are widely di
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Although the overall profile of was encouraging we pursued i
2020-07-28
Although the overall profile of was encouraging, we pursued its optimization based on SAR studies imported from a novel class of compounds in which the sulfonamide moiety of MK-7246 was replaced by an amide group. Potential liabilities related to the presence of a sulfonamides group (i.e., allergic
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Enzyme and prodrug systems provide
2020-07-28
Enzyme and prodrug systems provide an attractive approach for cancer therapy [12], [13], [14]. Earlier studies tried to explore the possibility of utilising enzymes present within tumours to convert low toxicity prodrug to a cytotoxic agent but no unique tumour specific enzymes were found [15]. Thus
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