Results 41 to 50 of about 19,595 (293)

Reconstructing enzyme evolution by protein engineering

open access: yesFEBS Letters, EarlyView.
Natural enzyme evolution can be retraced by protein engineering methods such as directed evolution, rational design, and ancestral sequence reconstruction. These approaches reveal how enzymes emerged from ligand‐binding scaffolds, developed varying substrate preferences, formed oligomeric complexes, adapted to environmental changes, and evolved novel ...
Lukas Drexler   +2 more
wiley   +1 more source

Identification of a Shiga toxin A‐derived peptide internalized into Gb3 receptor‐bearing cells via interaction with the Shiga toxin B subunit

open access: yesFEBS Letters, EarlyView.
The process of internalization of the Shiga toxin A subunit via formation of a complex with the Shiga toxin B subunit, which specifically binds to the Gb3 receptor. The peptide is designed to act as a carrier of drugs into cancer cells. Here, we explored the potential of peptides derived from the catalytic A subunit of Shiga toxin (STxA) to be drug ...
Giulia Opassi   +6 more
wiley   +1 more source

An epithelial GPR35 isoform supports tumor‐associated transcriptional and metabolic phenotypes

open access: yesFEBS Letters, EarlyView.
GPR35 generates two functionally distinct isoforms with previously unresolved roles. GPR35‐short mediates immune‐cell chemotaxis, while GPR35‐long is enriched in colorectal cancer epithelium, where it supports increased metabolism, proliferation, and tumor‐associated transcriptional programs.
Jørgen D. Rønneberg   +14 more
wiley   +1 more source

Nuevo Trabajo para una Teoría de los Universales

open access: yesIdeas y Valores, 2015
Nota del traductor: El texto que se presenta aquí es la primera parte de la traducción,correspondiente a la introducción y las dos primeras secciones del artículo original.
David Lewis, Diego Morales (trad.)
doaj  

Álgebras de universales

open access: yesCrítica
Varios filósofos han propuesto un enfoque “algebraico” de los universales de acuerdo con el cual hay operaciones de universales a universales. No es obvio, sin embargo, cómo estas operaciones deban ser interpretadas y qué impacto tengan para las ...
José Tomás Alvarado Marambio
doaj   +1 more source

Structure‐forward targeting of claudins with synthetic binders

open access: yesFEBS Letters, EarlyView.
Claudins form the paracellular barriers between epithelial and endothelial tissues at tight junctions and are targets for molecular binders with the goal of modulating barrier permeability. Claudin‐binding molecules are relevant in drug delivery or in altering claudin interactions with disease‐causing proteins.
Alex J. Vecchio
wiley   +1 more source

Categorías. Funtores. Construcciones universales [PDF]

open access: yes, 2022
Traballo Fin de Grao en Matemáticas. Curso 2021-2022El objetivo de este trabajo es introducir conceptos fundamentales de la teoría de categorías como las categorías, los funtores y las transformaciones naturales, ilustrando estos conceptos con ...
Fernández Sánchez, Anxo
core  

El escepticismo de la asimetría y la teoría de la referencia de Strawson

open access: yesIdeas y Valores, 2003
El propósito de este artículo es presentar el debate sobre la distinción entre universales y particulares en la filosofía analítica. En el texto se examinan las objeciones de Ramsey a los intentos de trazar la distinción y los argumentos de Strawson para
Mauricio Rengifo
doaj  

Leyes y hacedores de verdad: una interpretación crítica del realismo nomológico de M. Tooley

open access: yesFilosofia Unisinos, 2015
La tesis principal defendida por Michael Tooley en su artículo The Nature of Laws sostiene que son las relaciones entre universales los auténticos hacedores de verdad de los enunciados nomológicos y de las leyes.
Susana Mafalda Lucero, Roberto Azar
doaj   +1 more source

Engineering peptides into antibodies—opportunities and strategies for therapeutic innovation

open access: yesFEBS Letters, EarlyView.
Peptides and antibodies occupy complementary therapeutic niches. Peptides recognize difficult targets in a compact format, while antibodies add specificity, long half‐life, and effector functions. This review examines strategies that merge both modalities—peptide grafting into loops, terminal and Fc fusions, and bioconjugation—highlighting how ...
Jinling Wang   +2 more
wiley   +1 more source

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