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To simulate the inhibition of the enzyme by organophosphorus
2020-11-09

To simulate the inhibition of the enzyme by organophosphorus, carbamate insecticides or nerve agents, a reversible cholinesterase inhibitor physostigmine was used for most experiments for safety reasons. However, the results of the measurements were verified using the soman organophosphate, which is
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Low estrogen levels in young women irrespective of
2020-11-09

Low gyy levels in young women, irrespective of etiology, might have harmful effects on cardiovascular physiology. Indeed, a study in premenopausal women with low estrogen levels owing to hypothalamic hypogonadism showed an increased incidence of angiographic CAD in these women compared with premeno
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The defining molecular feature of
2020-11-09

The defining molecular feature of Ewing sarcoma is the characteristic EWSR1/ETS fusion protein, most commonly involving EWSR1 and FLI1 (Delattre et al., 1992, May et al., 1993). EWS–FLI1 causes global changes in gene expression both by directly regulating gene expression and by causing changes in ch
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In this work we fabricated
2020-11-09

In this work, we fabricated a kind of multifunctional nanoparticles, based on HAuNS coated by chitosan-stearic iMDK receptor copolymer (CSO-SA), which was employed frequently to form micelles for hydrophobic drug delivery in our previous work [21], [22]. The nanoparticles can encapsulate DiR effici
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br Materials and methods br Results br
2020-11-09

Materials and methods Results Discussion The EP4 mglur antagonist for PGE2 is similar to the EP1, EP2 and EP3 receptors in that they all have seven transmembrane segments and are coupled to Gα subunits of heterotrimeric G proteins, with a different Gα subunit for each receptor (Sugimoto an
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HOIP s ability to build linear Ub
2020-11-09

HOIP's ability to build linear Ub chains arises from a unique domain that follows directly after the RING2 domain, the linear ubiquitin chain-determining domain (LDD) (Fig. 1). Structures have revealed that the LDD is structurally integrated into RING2, creating a single RING2–LDD unit (Fig. 2D) [40
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Intriguingly one E residue may
2020-11-09

Intriguingly, one E2 residue may serve as a molecular ‘gate’ to allow the C-terminus of ubiquitin to access the closed E2~Ub conformations favorable for ubiquitin transfer. This residue, Asp87 in UbcH5 family members, resides on one side of the opening that leads to the active site Cys (Fig. 4D). In
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Historically covalent drugs have had great success e g aspir
2020-11-09

Historically, covalent drugs have had great success (e.g., aspirin and penicillin), and covalent drugs have become a focus in anticancer and antiviral drug discovery (Kalgutkar and Dalvie, 2012, Singh et al., 2011). These compounds contain low reactivity warheads that allow covalent adducts to form
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Two parameters were extracted from these experiments to
2020-11-06

Two parameters were extracted from these experiments to compare the interactions of the three compounds with ct-DNA. The association constant K for the binding of the naphthalimide derivatives to ct-DNA was calculated by fitting the evolution of the fluorescence spectra with a 1:1 binding model usin
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br Results br Discussion MSCs derived from the
2020-11-06

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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DAPK is a kD Ca calmodulin CaM
2020-11-06

DAPK is a 160-kD Ca2+/calmodulin (CaM)-regulated Ser/Thr kinase that mediates cell death. The activated forms of DAPK and DRP-1 are capable of inducing two distinct cytoplasmic events characteristic of programmed cell death, including membrane blebbing and the formation of autophagic vesicles (Inbal
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In addition to its HEAT
2020-11-06

In addition to its HEAT repeats, CRM1 also possesses a C-terminal extension (C-extension, residues 1032–1071), composed of a helix (C-helix) followed by a short stretch of residues (C-tail). In the absence of Ran, the C-extension adopts a conspicuous conformation that bridges across the ring-shaped
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Another question concerns the mechanism of PC reduction
2020-11-06

Another question concerns the mechanism of PC reduction during the phosphate starvation response. There are at least three main mechanisms of PC depletion: suppression of PC synthesis due to substrate exhaustion, downregulation of PC synthase expression by suppression of gene transcription or intens
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DNA methylation is a relatively stable but reversible epigen
2020-11-06

DNA methylation is a relatively stable but reversible epigenetic mechanism that can regulate gene expression, and occurs at the three different cytosine sequence contexts (CG, CHG, and CHH, where H is C, A, or T) in plants [15]. Many studies suggest that DNA methylation status of genes influence pla
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Nicotine Difartrate The availabilities of serotonin and dopa
2020-11-06

The availabilities of serotonin and dopamine are modulated by the serotonin transporter and catechol-O-methyltransferase enzyme. The serotonin transporter (5-HTT) is a key protein that reuptakes serotonin from the synaptic cleft back into synaptic boutons (Coleman et al., 2016; Talvenheimo et al., 1
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