Results 41 to 50 of about 43,728 (261)

Video Cooperación Sur Sur [video]

open access: yes, 2023
La Conferencia Regional sobre Cooperación Sur-Sur de América Latina y el Caribe fue creada por los países miembros de la CEPAL en diciembre de 2021, durante el trigésimo sexto período de sesiones del Comité Plenario de la Comisión regional de las ...

core  

TRAIL‐PEG‐Apt‐PLGA nanosystem as an aptamer‐targeted drug delivery system potential for triple‐negative breast cancer therapy using in vivo mouse model

open access: yesMolecular Oncology, EarlyView.
Aptamers are used both therapeutically and as targeting agents in cancer treatment. We developed an aptamer‐targeted PLGA–TRAIL nanosystem that exhibited superior therapeutic efficacy in NOD/SCID breast cancer models. This nanosystem represents a novel biotechnological drug candidate for suppressing resistance development in breast cancer.
Gulen Melike Demirbolat   +8 more
wiley   +1 more source

Combinación del método CART y de econometría de corte transversal para la identificación de determinantes: supervivencia de exportaciones argentinas || Combination of the CART method and cross-section econometrics for the identification of determinants: Survival of Argentine exports

open access: yesRevista de Métodos Cuantitativos para la Economía y la Empresa, 2019
Este trabajo identifica factores explicativos de la supervivencia de flujos de comercio argentinos utilizando como método de identificación la combinación del método de Análisis de Árbol de Clasificación y Regresión (CART, con sus siglas en inglés) y ...
González, Germán   +3 more
doaj  

Geopolítica y desarrollo en trayectorias comparadas: América del Sur y Asia oriental

open access: yesRevista Científica General José María Córdova, 2014
El panorama político y económico de Asia Oriental y América del Sur está marcada por diferencias y similitudes. En este contexto, es útil comparar las estrategias de desarrollo económico junto con los aspectos geopolíticos de estas de Estado.
Guilherme Lopes da Cunha   +1 more
doaj   +1 more source

Mensaje de Alicia Bárcena al Foro de Personas Defensoras del Medio Ambiente en América del Sur [video]

open access: yes, 2020
Mensaje de Alicia Bárcena, Secretaria Ejecutiva de la CEPAL, al Foro de Personas Defensoras del Medio Ambiente en América del Sur (4-5 de noviembre de 2020).0:00'00"-0:07'35": Plano Medio de la Secretaria Ejecutiva de la CEPAL, Alicia Bárcena, mientras ...

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Dimethyl fumarate combined with cisplatin at subcytotoxic doses sensitizes cervical cancer toward ferroptosis and apoptosis through GSH restriction and p53 (re)activation

open access: yesMolecular Oncology, EarlyView.
Dimethyl fumarate (DMF) reduces growth of HPV‐positive cervical cancer spheroids and induces ferroptosis in cervical cancer cells via blocking SLC7A11/Glutathione (GSH) axis. Combination of subcytotoxic doses of DMF and cisplatin (CDDP) further suppresses spheroid growth and drives cell death in 2D culture models.
Carolina Punziano   +6 more
wiley   +1 more source

Pre‐analytical optimization of cell‐free DNA and extracellular vesicle‐derived DNA for mutation detection in liquid biopsies

open access: yesMolecular Oncology, EarlyView.
Pre‐analytical handling critically determines liquid biopsy performance. This study defines practical best‐practice conditions for cell‐free DNA (cfDNA) and extracellular vesicle–derived DNA (evDNA), showing how processing time, storage conditions, tube type, and plasma input volume affect DNA integrity and mutation detection.
Jonas Dohmen   +11 more
wiley   +1 more source

AVALIAÇÃO E ACREDITAÇÃO DA EDUCAÇÃO SUPERIOR NA AMÉRICA LATINA: OS CASOS DA ARGENTINA E DO BRASIL NO CONTEXTO DO MERCOSUL [PDF]

open access: yes, 2009
O artigo recupera o contexto de surgimento da avaliação da educação superior na América Latina e analisa os sistemas de avaliação e acreditação da educação superior na Argentina e no Brasil. Focaliza a análise em aspectos como: as características de cada
LAGORIA, SILVANA LORENA   +1 more
core  

EDNRB‐dependent endothelin signaling reduces proliferation and promotes proneural‐to‐mesenchymal transition in gliomas

open access: yesMolecular Oncology, EarlyView.
Glioma cells mainly express the endothelin receptor EDNRB, while EDNRA is restricted to a perivascular tumor subpopulation. Endothelin signaling reduces glioma cell proliferation while promoting migration and a proneural‐to‐mesenchymal transition associated with poor prognosis. This pathway activates Ca2+, K+, ERK, and STAT3 signalings and is regulated
Donovan Pineau   +36 more
wiley   +1 more source

E2A selectively regulates TGF‐β–induced apoptosis in KRAS‐mutant non‐small cell lung cancer

open access: yesMolecular Oncology, EarlyView.
Ability to induce apoptosis by TGF‐β is frequently lost in advanced lung adenocarcinoma despite intact TGF‐β signaling. We identify E2A as a mutant KRAS–dependent mediator of resistance to TGF‐β–induced apoptosis. TGF‐β induces E2A via SMAD3 in mutant KRAS cells, and E2A silencing restores apoptosis and enhances radiation response in cell lines ...
Sergei Chuikov   +3 more
wiley   +1 more source

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