2,934 research outputs found

    Interuniversity Style Guide: for Writing Institutional Texts in English

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    [EN] The Interuniversity Style Guide for Writing Institutional Texts in English is designed for use by the administrative, teaching and research staff and language professionals who are responsible for writing institutional texts in English. Although one section focuses on how to write clearly, the word style in the title refers not to literary style but to those linguistic conventions concerning spelling, punctuation, typographical display and other editorial issues that are essential for consistent, clear and precise language and layout. Consistency in these areas leads to clarity and cohesion which, in turn, makes documents more straightforward for readers. As transmitters of knowledge, universities have to be rigorous in their use of language so that they can fulfil the scientific purpose of describing reality and making the complexity of this reality more readily understandable.[CA] El Manual d’estil interuniversitari per a la redacciĂł de textos institucionals en anglĂšs estĂ  pensat per als docents, els investigadors, el personal d’administraciĂł i serveis, i els professionals de la llengua que han de redactar documentaciĂł institucional en anglĂšs. Tot i que una de les seccions recull criteris generals de redacciĂł, la paraula estil del tĂ­tol fa referĂšncia a les convencions lingĂŒĂ­stiques relatives a l’ortografia, la puntuaciĂł, la tipografia i altres aspectes editorials: tot Ă©s essencial per garantir textos coherents, clars i precisos en termes lingĂŒĂ­stics i formals. La coherĂšncia en aquests aspectes dĂłna claredat i cohesiĂł als textos, cosa que, al seu torn, en facilita i simplifica la comprensiĂł. Com a transmissores de coneixement, Ă©s essencial que les universitats siguin rigoroses en l’Ășs de la llengua per aconseguir l’objectiu cientĂ­fic de descriure la realitat i la seva complexitat de manera clara i assequible.Bain, M.; Bates, J.; Berman, G.; Cullen, D.; Herrero, J.; Noone, B.; Owen, D.... (2018). Manual d’estil interuniversitari: per a la redacciĂł de textos institucionals en anglĂšs. Xarxa Vives d’Universitats. http://hdl.handle.net/10251/9776

    Vascular endothelial growth factor isoforms differentially protect neurons against neurotoxic events associated with Alzheimer’s disease

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    DATA AVAILABILITY STATEMENT : The raw data supporting the conclusions of this article will be made available by the authors, without undue reservation.Please read abstract in the article.The University of Nottingham BBSRC Doctoral Training Programme.http://www.frontiersin.org/Molecular_Neuroscienceam2024Medical OncologySDG-03:Good heatlh and well-bein

    Genomic interplay between neoneurogenesis and neoangiogenesis in carcinogenesis : therapeutic interventions

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    Angiogenesis, the generation of new blood vessels, is one of the hallmarks of cancer. The growing tumor requires nutrients and oxygen. Recent evidence has shown that tumors release signals to attract new nerve fibers and stimulate the growth of new nerve fibers. Neurogenesis, neural extension, and axonogenesis assist in the migration of cancer cells. Cancer cells can use both blood vessels and nerve fibers as routes for cells to move along. In this way, neurogenesis and angiogenesis both contribute to cancer metastasis. As a result, tumor-induced neurogenesis joins angiogenesis and immunosuppression as aberrant processes that are exacerbated within the tumor microenvironment. The relationship between these processes contributes to cancer development and progression. The interplay between these systems is brought about by cytokines, neurotransmitters, and neuromodulators, which activate signaling pathways that are common to angiogenesis and the nervous tissue. These include the AKT signaling pathways, the MAPK pathway, and the Ras signaling pathway. These processes also both require the remodeling of tissues. The interplay of these processes in cancer provides the opportunity to develop novel therapies that can be used to target these processes.The South African Medical Research Council (SAMRC) and the National Research Foundation (NRF).https://www.mdpi.com/journal/cancersam2024Medical OncologySurgerySDG-03:Good heatlh and well-bein

    Interuniversity style guide for writing institutional texts in English

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    Aquest projecte ha rebut finançament del programa Interlingua de la Generalitat de Catalunya.L'objectiu d'aquesta guia Ă©s promocionar el multilingĂŒisme i proveir d'un conjunt de normes i criteris comuns i homogenis per a la redacciĂł de documents en anglĂšs propis de l'Ă mbit universitari. La guia estĂ  pensada fonamentalment per als docents, els investigadors i el personal d'administraciĂł de les universitats que han de redactar documentaciĂł institucional en anglĂšs. A mĂ©s de criteris generals de redacciĂł, hi trobareu les convencions lingĂŒĂ­stiques relatives a l'ortografia, la puntuaciĂł, la tipografia i altres aspectes editorials essencials per garantir la coherĂšncia, la claredat i la precisiĂł dels textos en anglĂšs

    Alternative splicing events and their clinical significance in colorectal cancer : targeted therapeutic opportunities

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    Colorectal cancer (CRC) ranks as one of the top causes of cancer mortality worldwide and its incidence is on the rise, particularly in low-middle-income countries (LMICs). There are several factors that contribute to the development and progression of CRC. Alternative splicing (AS) was found to be one of the molecular mechanisms underlying the development and progression of CRC. With the advent of genome/transcriptome sequencing and large patient databases, the broad role of aberrant AS in cancer development and progression has become clear. AS affects cancer initiation, proliferation, invasion, and migration. These splicing changes activate oncogenes or deactivate tumor suppressor genes by producing altered amounts of normally functional or new proteins with different, even opposing, functions. Thus, identifying and characterizing CRC-specific alternative splicing events and variants might help in designing new therapeutic splicing disrupter drugs. CRC-specific splicing events can be used as diagnostic and prognostic biomarkers. In this review, alternatively spliced events and their role in CRC development will be discussed. The paper also reviews recent research on alternatively spliced events that might be exploited as prognostic, diagnostic, and targeted therapeutic indicators. Of particular interest is the targeting of protein arginine methyltransferase (PMRT) isoforms for the development of new treatments and diagnostic tools. The potential challenges and limitations in translating these discoveries into clinical practice will also be addressed.The South African Medical Research Council (SAMRC) and the National Research Foundation (NRF).https://www.mdpi.com/journal/cancersam2024Medical OncologySurgerySDG-03:Good heatlh and well-bein

    MicroRNA and alternative mRNA splicing events in cancer drug response/resistance : potent therapeutic targets

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    Cancer is a multifaceted disease that involves several molecular mechanisms including changes in gene expression. Two important processes altered in cancer that lead to changes in gene expression include altered microRNA (miRNA) expression and aberrant splicing events. MiRNAs are short non-coding RNAs that play a central role in regulating RNA silencing and gene expression. Alternative splicing increases the diversity of the proteome by producing several different spliced mRNAs from a single gene for translation. MiRNA expression and alternative splicing events are rigorously regulated processes. Dysregulation of miRNA and splicing events promote carcinogenesis and drug resistance in cancers including breast, cervical, prostate, colorectal, ovarian and leukemia. Alternative splicing may change the target mRNA 30UTR binding site. This alteration can affect the produced protein and may ultimately affect the drug affinity of target proteins, eventually leading to drug resistance. Drug resistance can be caused by intrinsic and extrinsic factors. The interplay between miRNA and alternative splicing is largely due to splicing resulting in altered 30UTR targeted binding of miRNAs. This can result in the altered targeting of these isoforms and altered drug targets and drug resistance. Furthermore, the increasing prevalence of cancer drug resistance poses a substantial challenge in the management of the disease. Henceforth, molecular alterations have become highly attractive drug targets to reverse the aberrant effects of miRNAs and splicing events that promote malignancy and drug resistance. While the miRNA–mRNA splicing interplay in cancer drug resistance remains largely to be elucidated, this review focuses on miRNA and alternative mRNA splicing (AS) events in breast, cervical, prostate, colorectal and ovarian cancer, as well as leukemia, and the role these events play in drug resistance. MiRNA induced cancer drug resistance; alternative mRNA splicing (AS) in cancer drug resistance; the interplay between AS and miRNA in chemoresistance will be discussed. Despite this great potential, the interplay between aberrant splicing events and miRNA is understudied but holds great potential in deciphering miRNA-mediated drug resistance.This research was funded by the South African Medical Research Council (SAMRC).The South African Medical Research Council (SAMRC)https://www.mdpi.com/journal/biomedicinesam2022Maxillo-Facial and Oral SurgeryMedical OncologySurger

    Apoptosis in Cancer Cells Is Induced by Alternative Splicing of hnRNPA2/B1 Through Splicing of Bcl-x, a Mechanism that Can Be Stimulated by an Extract of the South African Medicinal Plant, Cotyledon orbiculata

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    Alternative splicing is deregulated in cancer and alternatively spliced products can be linked to cancer hallmarks. Targeting alternative splicing could offer novel effective cancer treatments. We investigated the effects of the crude extract of a South African medicinal plant, Cotyledon orbiculata, on cell survival of colon (HCT116) and esophageal (OE33 and KYSE70) cancer cell lines. Using RNASeq, we discovered that the extract interfered with mRNA regulatory pathways. The extract caused hnRNPA2B1 to splice from the hnRNPB1 to the hnRNPA2 isoform, resulting in a switch in the BCL2L1 gene from Bcl-xL to Bcl-xS causing activation of caspase-3-cleavage and apoptosis. Similar splicing effects were induced by the known anti-cancer splicing modulator pladienolide B. Knockdown of hnRNPB1 using siRNA resulted in decreased cell viability and increased caspase-3-cleavage, and over-expression of hnRNPB1 prevented the effect of C. orbiculata extract on apoptosis and cell survival. The effect of the hnRNPA2/B1 splicing switch by the C. orbiculata extract increased hnRNPA2B1 binding to Bcl-xl/s, BCL2, MDM2, cMYC, CD44, CDK6, and cJUN mRNA. These findings suggest that apoptosis in HCT116, OE33, and KYSE cancer cells is controlled by switched splicing of hnRNPA2B1 and BCL2L1, providing evidence that hnRNPB1 regulates apoptosis. Inhibiting this splicing could have therapeutic potential for colon and esophageal cancers. Targeting hnRNPA2B1 splicing in colon cancer regulates splicing of BCL2L1 to induce apoptosis. This approach could be a useful therapeutic strategy to induce apoptosis and restrain cancer cell proliferation and tumor progression. Here, we found that the extract of Cotyledon orbiculata, a South African medicinal plant, had an anti-proliferative effect in cancer cells, mediated by apoptosis induced by alternative splicing of hnRNPA2B1 and BCL2L1

    Predator Mimicry: Metalmark Moths Mimic Their Jumping Spider Predators

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    Cases of mimicry provide many of the nature's most convincing examples of natural selection. Here we report evidence for a case of predator mimicry in which metalmark moths in the genus Brenthia mimic jumping spiders, one of their predators. In controlled trials, Brenthia had higher survival rates than other similarly sized moths in the presence of jumping spiders and jumping spiders responded to Brenthia with territorial displays, indicating that Brenthia were sometimes mistaken for jumping spiders, and not recognized as prey. Our experimental results and a review of wing patterns of other insects indicate that jumping spider mimicry is more widespread than heretofore appreciated, and that jumping spiders are probably an important selective pressure shaping the evolution of diurnal insects that perch on vegetation

    Effects of antiplatelet therapy on stroke risk by brain imaging features of intracerebral haemorrhage and cerebral small vessel diseases: subgroup analyses of the RESTART randomised, open-label trial

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    Background Findings from the RESTART trial suggest that starting antiplatelet therapy might reduce the risk of recurrent symptomatic intracerebral haemorrhage compared with avoiding antiplatelet therapy. Brain imaging features of intracerebral haemorrhage and cerebral small vessel diseases (such as cerebral microbleeds) are associated with greater risks of recurrent intracerebral haemorrhage. We did subgroup analyses of the RESTART trial to explore whether these brain imaging features modify the effects of antiplatelet therapy

    Opposite-side flavour tagging of B mesons at the LHCb experiment

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    The calibration and performance of the oppositeside flavour tagging algorithms used for the measurements of time-dependent asymmetries at the LHCb experiment are described. The algorithms have been developed using simulated events and optimized and calibrated with B + →J/ψK +, B0 →J/ψK ∗0 and B0 →D ∗− ÎŒ + ΜΌ decay modes with 0.37 fb−1 of data collected in pp collisions at √ s = 7 TeV during the 2011 physics run. The oppositeside tagging power is determined in the B + → J/ψK + channel to be (2.10 ± 0.08 ± 0.24) %, where the first uncertainty is statistical and the second is systematic
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