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br Introduction Natural killer NK cells have an unique abili
2020-07-09

Introduction Natural killer (NK) cells have an unique ability to directly lyse transformed, virus-infected or stressed cells without prior sensitization or major histocompatibility complex (MHC) class I restriction [1], [2]. They were initially defined and shown to be important effectors of the i
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br Materials and methods br Results
2020-07-08

Materials and methods Results Discussion Fluoride has multiple effects that contribute to caries prevention. S. mutans is 20- to 40-fold more sensitive to NaF than Lactobacillus casei and seven-fold more sensitive than some species of Actinomyces[10]. There are some specific metabolic effec
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Except for S adenosylmethionine SAM Fig sources of
2020-07-08

Except for S-adenosylmethionine (SAM, Fig. 1), sources of endogenous DNA alkylation are not well defined. Other possible sources include nitroso compounds related to the well known mutagen methylnitrosourea which are generated in vitro by nitrosation of cellular amines including amino acids, protein
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Diacylglycerol kinase was one of the hits identified from th
2020-07-08

Diacylglycerol kinase was one of the hits identified from the RNAi screen. Diacylglycerol kinases are conserved across a Lonidamine of species with more complex, multicellular organisms possessing several DGKs with differing protein domains, expression patterns and functions [61], [62], [63]. Some
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Several in vivo human studies have
2020-07-08

Several in vivo human studies have produced conflicting results for evaluating the inhibition of OCs on the metabolism of CYP3A substrates. Balogh et al. [12] demonstrated an approximately 25% inhibition of CYP3A activities in vivo after the administration of an OC containing 30μg of ethinylestradio
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Among prostaglandins PG PGD remained the most elusive specie
2020-07-08

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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In this study we further investigated the involvement of CRF
2020-07-08

In this study, we further investigated the involvement of CRF1 and CRF2 receptors of the dPAG in the regulation of panic-related responses. For this, we used two animal models that associate escape behavior with panic attacks: the elevated T maze and the electrical stimulation of the dPAG (for a ful
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Flavonoids are most common and widely distributed
2020-07-08

Flavonoids are most common and widely distributed group of natural phenolic compounds synthesized by plants that have varied effects on mammalian cell systems (Kumar and Pandey, 2013). Several studies demonstrate that flavonoids might be potent inhibitors of several protein kinases involved in vario
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The instructive precedent for galectin phosphorylation is hu
2020-07-08

The instructive precedent for galectin phosphorylation is human galectin-3 (hGal-3). Its serine modification by protein kinase CK1 in the N-terminal tail is relevant for nuclear export during the course of apoptosis regulation and contact formation with the neural cell adhesion molecule L1 , , , . T
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More recently it was discovered that BChE hydrolyzes the
2020-07-08

More recently, it was discovered that BChE hydrolyzes the neuropeptide gut hormone, ghrelin [25], [26], [27], [28]. Nonetheless, because the enzyme reaction is very slow, those who first reported this finding were initially reluctant to attribute a real physiological role for that phenomenon. Our ow
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br Introduction Phosphorus P is an important nutrient for pl
2020-07-08

Introduction Phosphorus (P) is an important nutrient for plant growth; however, in many regions of the world soils are low in plant-available P (Holford, 1997). Therefore, P fertilisers play an important role in agriculture. Most P fertilisers in current use are derived from phosphate rock; howev
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The work described by Dong Groves and co workers
2020-07-08

The work described by Dong, Groves, and co-workers (11) tested the hypothesis that neural stem cell development is sensitive to the clustering and mechanical state of the EphB4:ephrin-B2 receptor-ligand complex. They show that the quality of ephrin-B2-ligand signaling depends on its biophysical stat
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The GH family includes also
2020-07-08

The GH30 family includes also xylanases which are not MeGlcA-dependent. Most of them are grouped to GH30_7 subfamily that includes XynIV from Trichoderma reesei showing exo- and endo-xylanase activity [11] and XYLD from Bispora sp. MEY-1 [12] having activity towards glucuronoxylan and arabinoxylan,
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However in many of the above mentioned studies
2020-07-08

However, in many of the above mentioned studies, the NaCl concentrations in the extraction buffers were different from those used here. For instance, in the study that performed cathepsin D extraction from human AD WM-8014 synthesis tissue, the concentration was 150mM [30], while that for the extra
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The absorption rate of polyphenols into the body is usually
2020-07-07

The Salicylic acid receptor rate of polyphenols into the body is usually low. For example, the absorption rate of epigallocatechin gallate (EGCG), an active component in GP, is approximately 1% (Chen et al., 1997). To increase absorption of GP in the body, people have been increasing their intake o
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