Results 51 to 60 of about 14,681 (257)

From junk to function — How weak selection in eukaryotes builds new parts and drives genomic complexity

open access: yesFEBS Letters, EarlyView.
How do genomes gain new functional parts? In eukaryotes, which tend to evolve under weak selection, much of the genome is junk. Palazzo and Qiu borrow the logic of Markov chains to show how non‐functional DNA becomes functional through the appearance of intermediate states, which arise due to epistasis, buffering, and biochemical messiness, allowing ...
Alexander F. Palazzo, Yi Qiu
wiley   +1 more source

Prospecting the protein design landscape

open access: yesFEBS Letters, EarlyView.
This review outlines the current state of various protein design approaches. We discuss the current possibilities enabled by recently released tools, highlight future avenues to pursue in protein design, and underscore the crucial role of key databases and resources for successful protein design workflows.
Jakob R. Riccabona   +4 more
wiley   +1 more source

The ubiquitin system in normal and infected germinal center B cells

open access: yesFEBS Letters, EarlyView.
The ubiquitin system plays a central role in germinal center (GC) B cells, influencing differentiation to long‐lived memory B cells. Oncogenic gammaherpesviruses gain access to memory B cells by establishing latency in GC B cells. Mapping ubiquitin mechanisms in normal and infected GC B cells will define specific molecular circuits in B cells germane ...
Destiny Davis   +2 more
wiley   +1 more source

TEMPS, TRADUCTION ET THÉORIE DE LA PERTINENCE

open access: yesStudia Universitatis Moldaviae: Stiinte Umanistice, 2019
Nous nous proposons de dresser une synthèse des postulats de la Théorie de la pertinence, élaborée par Dan Sperber et Deirdre Wilson, dans le contexte des problèmes posés par le transfert des contenus temporels lors de la traduction du français en ...
USM ADMIN
doaj   +2 more sources

Les normes dans leur diversité. Quelle pertinence ? [PDF]

open access: yesEcho des Etudes Romanes, 2015
The concept of norm is particularly ambiguous in French. It can refer to official, objective, subjective, regional, popular standards, etc. Therefore the objective of this paper is to determine if these different standards have almost the same status
Feuillard Colette
doaj  

The dynamics of semiotics of culture; its pertinence to anthropology

open access: yesSign Systems Studies, 1999
The dynamics of semiotics of culture; its pertinence to ...
Irene Portis-Winner
doaj   +1 more source

IMPDH inhibition enhances cytarabine efficacy in SAMHD1‐expressing leukaemia cells via guanine nucleotide depletion

open access: yesMolecular Oncology, EarlyView.
Cytarabine is a key therapy for acute myeloid leukaemia (AML), but its efficacy is limited by the dNTPase SAMHD1, which hydrolyses its active metabolite. Screening nucleotide biosynthesis inhibitors revealed that IMPDH inhibitors selectively sensitise SAMHD1‐proficient AML cells to cytarabine.
Miriam Yagüe‐Capilla   +9 more
wiley   +1 more source

Comment éviter la politique du blâme et les instruments punitifs ? Une analyse comparée des politiques québécoise et terre-neuvienne de lutte contre la pauvreté et l’exclusion sociale

open access: yesLien Social et Politiques, 2009
Cet article propose d’analyser et de comparer deux stratégies globales de lutte contre la pauvreté et l’exclusion sociale mises en oeuvre au Canada, soit celles du Québec et de Terre-Neuve-et-Labrador. La démarche s’inspire de la théorie du policy design
Matthieu Mondou
doaj   +1 more source

Differential expression of cancer‐related genes supports prediction of poor response to first‐line treatments in T‐ALL pediatric patients with high minimal residual disease

open access: yesMolecular Oncology, EarlyView.
In the present work, we have identified a transcriptional signature based on the differential expression of six genes (BCL2&MAST4, HSH2D&LAT2, METRN&PITPNM2) that would facilitate the early detection of T‐cell acute lymphoblastic leukemia (T‐ALL) patients prone to a poor treatment response and could be implemented at diagnosis, along with other risk ...
Antonio Lahera   +11 more
wiley   +1 more source

Metastasis on pause: How dormant tumor cells stay hidden within the tumor microenvironment and evade immune surveillance

open access: yesMolecular Oncology, EarlyView.
Dormant cancer cells can hide in distant organs for years, evading treatment and the immune system. This review highlights how signals from the surrounding tissue and immune environment keep these cells inactive or trigger their reawakening. Understanding these mechanisms may help develop therapies to eliminate or control dormant cells and prevent ...
Kanishka Tiwary   +1 more
wiley   +1 more source

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