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DNA PK Jackson is activated by DNA double stranded
2021-02-23
DNA-PK (Jackson, 1997) is activated by DNA double-stranded breaks (DSBs). It is a trimeric complex composed of the catalytic subunit, DNA-PKcs, and the Ku70/80 heterodimer. DNA-PK mediates non-homologous end joining (NHEJ), which joins programmed DSBs created during V(D)J recombination and class swi
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The possibility that a carboxyl group attached
2021-02-23
The possibility that a carboxyl group attached to the or position of an -arylaminomethylenemalonate ester would lead to increased selectivity for DHODH has been tested and found not to be the case. Indeed, reduced selectivity compared with the corresponding ester is observed and is attributed to a ‘
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Substituents at the C position An
2021-02-23
Substituents at the C11 position — An oxygen-containing substituent at the C11 position also affects the catalytic activity of Δ1-KSTDs. The Δ1-KSTDs from the Gram-positive bacteria R. equi [29], N. simplex ATCC 6946 and IFO 12069 [48,49,52], and R. rhodochrous IFO 3338 [27] were able to 1(2)-dehydr
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br Results br Discussion MSCs derived from the bone
2021-02-22
Results Discussion MSCs derived from the bone marrow and adipose tissue have been shown to promote the growth and metastatic ability of breast cancer and other human malignancies, but the mechanisms are incompletely understood (Barcellos-Hoff et al., 2013, Cuiffo et al., 2014, Del Pozo Martin
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Among prostaglandins PG PGD remained
2021-02-22
Among prostaglandins (PG), PGD2 remained the most elusive species for a long time and was initially regarded as having negligible biological activity [1]. In 1974 its inhibitory effect on platelet aggregation was discovered by Smith et al. [2] and Mills & McFarlain [3], and both pressor and depresso
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Although many neurotransmitters e g catecholamines serotonin
2021-02-22
Although many neurotransmitters (e.g., catecholamines, serotonin, and excitatory/inhibitory amino acids) have been implicated in the modulation of anxiety-like responses (Carobrez et al., 2001, Molchanov and Guimaraes, 2002, Vianna et al., 2001), the so-called atypical neurotransmitters, endocannabi
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Introduction The inflammation process involves sequential ac
2021-02-22
Introduction The inflammation process involves sequential activation of signaling molecules, pro-inflammatory mediators, such as prostaglandins, leukotrienes, and oxygen free radicals [1]. Two cyclooxygenases cetrimonium bromide were responsible for activation of the production of prostaglandins (
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Sensory gating describes a filter mechanism protecting the c
2021-02-22
‘Sensory gating’ describes a filter mechanism protecting the central nervous system from sensory overload by inhibiting behaviorally irrelevant input (Boutros et al., 2004, 2008). This permits ML365 to a changing contextual environment (Fruhstorfer et al., 1970; Grunwald et al., 2003). Auditory ga
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Growing evidence has shown that ANS
2021-02-22
Growing evidence has shown that ANS dysregulation, indexed by heart rate variability (HRV), plays a critical role in the pathogenesis of anxiety (Minassian et al., 2014, 2015). Indeed, we have previously reported that patients with GAD are associated with reduced resting parasympathetical (vagal) co
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In cholesterol synthesis HMG CoA reductase is
2021-02-22
In cholesterol synthesis, HMG-CoA reductase is the rate limiting step in cholesterol biosynthesis. Statins or HMG-CoA reductase inhibitors are commonly used for management of hypercholesterolemia. The presence of an HMG-like moiety on these drugs allows them to competitively bind to the catalytic do
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Initial investigations in the heart uncovered Epac
2021-02-22
Initial investigations in the heart uncovered Epac as a positive regulator of myocyte hypertrophy [8], [9]. Concomitantly, Epac has been shown to regulate cardiac Ca homeostasis [8], [10], [11], [12], [13]. Ca is an essential second messenger in the cardiac physiology because its rhythmic variations
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Prostaglandin E PGE is involved
2021-02-22
Prostaglandin E2 (PGE2) is involved in several biological processes such as renal function, inflammation, angiogenesis, and tumor growth. The various biological effects of PGE2 are mediated by the so-called E-type prostanoid receptors (EP1 to EP4). Among these, the EP4 receptor has been well studied
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DPP4 Activity Fluorometric Assay Kit synthesis br Target enz
2021-02-22
Target enzyme attributes and substrate peptide selection Protein kinases catalyze the phosphorylation of serine, threonine, and tyrosine residues in both proteins and peptides using ATP as the phosphoryl donor. The human kinome is comprised of 518 protein kinases and 40 lipid kinases. The vast ma
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br Materials and methods br Results
2021-02-22
Materials and methods Results Discussion Although some conditioning therapies have provided satisfactory clinical outcomes, mammalian species have little or no ability to replace injured cardiac tissue [34]. Therefore, therapeutic strategies based on the prevention, rather than treatment af
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br Methods br Results br Discussion
2021-02-22
Methods Results Discussion Here we have shown that two GPCR subtypes thought to trigger similar signalling events by coupling to Gαq in fact regulate different signalling networks via coupling to distinct G proteins. Thus global effects regulated by both receptors in events such as cardiac
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