Search results for "reo"

STRIPAK Members Orchestrate Hippo and Insulin Receptor Signaling to Promote Neural Stem Cell Reactivation

2019

Summary Adult stem cells reactivate from quiescence to maintain tissue homeostasis and in response to injury. How the underlying regulatory signals are integrated is largely unknown. Drosophila neural stem cells (NSCs) also leave quiescence to generate adult neurons and glia, a process that is dependent on Hippo signaling inhibition and activation of the insulin-like receptor (InR)/PI3K/Akt cascade. We performed a transcriptome analysis of individual quiescent and reactivating NSCs harvested directly from Drosophila brains and identified the conserved STRIPAK complex members mob4, cka, and PP2A (microtubule star, mts). We show that PP2A/Mts phosphatase, with its regulatory subunit Widerbors…

Transcriptional Upregulation of DNA Damage Response Genes in Bank Voles (Myodes glareolus) Inhabiting the Chernobyl Exclusion Zone

2018

Exposure to ionizing radiation (IR) from radionuclides released into the environment can damage DNA. An expected response to exposure to environmental radionuclides, therefore, is initiation of DNA damage response (DDR) pathways. Increased DNA damage is a characteristic of many organisms exposed to radionuclides but expression of DDR genes of wildlife inhabiting an area contaminated by radionuclides is poorly understood. We quantified expression of five central DDR genes Atm, Mre11, p53, Brca1, and p21 in the livers of the bank vole Myodes glareolus that inhabited areas within the Chernobyl Exclusion Zone (CEZ) that differed in levels of ambient radioactivity, and also from control areas ou…

INFORMACIÓN Y EXPOSICIÓN INDIRECTA PARA REDUCIR ESTEREOTIPOS HACIA EL ENVEJECIMIENTO

2016

Abstract.Purpose: The Image that society has about older people has been built on a base of stereotypes, far away from reality. This social image will have a determinant influence on attitudes and behaviors from all those people related with them, including health care professionals. It should be mandatory to eradicate negative stereotypes against aging during university formation, and in this practice get sensitive professionals who will attend people in their final state of life. Method: the treatment “Information plus indirect experience” was set throw the viewing of the short film “Como un Rolling” (Castilla, 2013). This film exposes the concept of active aging, and had the purpose to b…

2021

The biological activities of shancigusin C (1) and bletistrin G (2), natural products isolated from orchids, are reported along with their first total syntheses. The total synthesis of shancigusin C (1) was conducted by employing the Perkin reaction to forge the central stilbene core, whereas the synthesis of bletistrin G (2) was achieved by the Wittig olefination followed by several regioselective aromatic substitution reactions. Both syntheses were completed by applying only renewable starting materials according to the principles of xylochemistry. The cytotoxic properties of shancigusin C (1) and bletistrin G (2) against tumor cells suggest suitability as a starting point for further str…

A Microscopic Description of SARS-CoV-2 Main Protease Inhibition with Michael Acceptors. Strategies for Improving Inhibitors Design

2020

The irreversible inhibition of the main protease of SARS-CoV-2 by a Michael acceptor known as N3 has been investigated using multiscale methods. The noncovalent enzyme–inhibitor complex was simulated using classical molecular dynamics techniques and the pose of the inhibitor in the active site was compared to that of the natural substrate, a peptide containing the Gln–Ser scissile bond. The formation of the covalent enzyme–inhibitor complex was then simulated using hybrid QM/MM free energy methods. After binding, the reaction mechanism was found to be composed of two steps: (i) the activation of the catalytic dyad (Cys145 and His41) to form an ion pair and (ii) a Michael addition where the …

Patients’ conceptions of preoperative physiotherapy education before hip arthroplasty

2015

In Finland, over 7500 hip arthroplasties are performed annually. While the mean age of the patients has increased, the length of hospital stay has decreased, and this presents challenges for patient education. The aim of this study was to explore patients’ conceptions of preoperative physiotherapy education. This qualitative study included 10 hip arthroplasty patients. Data were collected using individual interviews at home before collecting preoperative information, and at the hospital after the operation. The interviews were tape-recorded and analysed using the phenomenographic method. Four hierarchically constructed categories of preoperative physiotherapy education were identified: read…

Violent women in Spanish TV ads: Stereotype reversal or the same old same old?

2016

Why did different agencies, promoting diverse products, create three ads featuring violence perpetrated by women on their rather immature and submissive male partners in order to sell their products? I posit that the female viewers connect subconsciously with the image of the proactive female protagonists through the psychological mechanism in which we identify with ‘our like’ on the screen. This, in turn, allows for the projection of ‘common ground’, a positive politeness strategy, to favourably dispose the female audience towards the protagonists and, by extension, the products advertised. The success of these ads depends on women viewers identifying with the apparently dominant female pr…

Effect of a κ1-Bonded-M-1,2,3-triazole (M = Co, Ru) on the Structure and Reactivity of Group 6 Alkoxy (Fischer) Carbenes

2017

The Supporting Information is available free of charge on the ACS Publications website at DOI: 10.1021/acs.inorgchem. 6b02957. NMR data for the synthesized compounds, electrochemical data of azides 2 and 4 (PDF) Computational details and cif files containing crystal data for 3a and 5b (CIF1, CIF2)

Novel functionalized cispentacin derivatives. Synthesis of 1,2,3-triazole-substituted 2-aminocyclopentanecarboxylate stereoisomers

2008

Four 1,2,3-triazole-substituted ethyl 2-amino-3-hydroxycyclopentanecarboxylate diastereomers (3,4-disubstituted cispentacins) with a cyclopentane skeleton were prepared in enantiomerically pure form from racemic β-lactam 7 via enzymatic ring opening, epoxidation and selective ring opening of the oxirane ring with sodium azide. The formation of the 1,2,3-triazole ring system involved click chemistry: 1,3-dipolar cycloaddition of the corresponding 4-substituted azidocarboxylates with diethyl acetylenedicarboxylate.

Synthesis and characterization of new 1,4 and 1,5-disubstituted glucopyranosyl 1,2,3-triazole by 1,3-dipolar cycloaddition

2009

Abstract A series of 1,4 and 1,5-disubstituted 1-(β- d -glucopyranosyl)-1,2,3-triazoles has been prepared in an efficient manner with excellent yields using the intermolecular 1,3-dipolar cycloaddition of 1-azido-2,3,4,6-tetra-O-acetyl-β- d -glucopyranose 2 to a variety of substituted alkynes phenylacethylene 3, propargyl alcohol 4, 2-butyn-1,4-diol, 5, 3-propargylbenzimidazole 6 and propargylpyrazole 7 in toluene. The reaction takes place with the formation of both 4- and 5-regioisomers.