Results 41 to 50 of about 808,601 (248)

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

A colonoscopia virtual no rastreio do cancro colo rectal [PDF]

open access: yes, 2010
O cancro colo - rectal (CCR) é um problema de saúde mundial, estando associadas elevadas taxas de mortalidade e morbilidade. A maioria de CCR deriva de pólipos adenomatosos..
Barbosa, Simão   +2 more
core  

El poder de una Asamblea Constituyente: reflexiones acerca de la Constitución de 1991 y su artículo 376

open access: yesRevista Derecho del Estado, 2021
Para la teoría constitucional hay dos preguntas claves que surgen en cualquier discusión acerca de la creación de nuevas constituciones. Primero, ¿qué mecanismo debe utilizarse para el ejercicio del poder constituyente?
Joel Colón-Ríos
doaj   +1 more source

Colorectal cancer‐derived FGF19 is a metabolically active serum biomarker that exerts enteroendocrine effects on mouse liver

open access: yesMolecular Oncology, EarlyView.
Meta‐transcriptome analysis identified FGF19 as a peptide enteroendocrine hormone associated with colorectal cancer prognosis. In vivo xenograft models showed release of FGF19 into the blood at levels that correlated with tumor volumes. Tumoral‐FGF19 altered murine liver metabolism through FGFR4, thereby reducing bile acid synthesis and increasing ...
Jordan M. Beardsley   +5 more
wiley   +1 more source

Genetic attenuation of ALDH1A1 increases metastatic potential and aggressiveness in colorectal cancer

open access: yesMolecular Oncology, EarlyView.
Aldehyde dehydrogenase 1A1 (ALDH1A1) is a cancer stem cell marker in several malignancies. We established a novel epithelial cell line from rectal adenocarcinoma with unique overexpression of this enzyme. Genetic attenuation of ALDH1A1 led to increased invasive capacity and metastatic potential, the inhibition of proliferation activity, and ultimately ...
Martina Poturnajova   +25 more
wiley   +1 more source

Peritoneal fluid changes in horses subjected to small colon distension

open access: yesPesquisa Veterinária Brasileira, 2011
Intestinal devitalization in cases of small colon obstruction may be difficult to detect based only in clinical signs. The purpose was to serially evaluate blood and peritoneal fluid of horses subjected to small colon distension.
Rafael R Faleiros   +6 more
doaj   +1 more source

Nubes bajo la cumbre: posible huella de Rerum familiarum, IV, 1 de Petrarca en la Carta para Arias Montano de Francisco de Aldana, y en la Elegía VI de Fernando de Herrera

open access: yesCriticón, 2023
In his epistle of Rerum familiarum libri IV, 1, Petrarca narrates his ascension to Mount Ventoso. He describes various natural elements (such as the mountain, the earth, the sea) and when he reaches te summit he alludes to «nubes erant sub pedibus».
Isabel Colón Calderón
doaj   +1 more source

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

Comparative study between appositional and inverting pattern for closure of descending colon enterotomies in equines [PDF]

open access: yes, 2001
O estudo foi conduzido com o objetivo de comparar o processo cicatricial do cólon descendente de eqüinos, quando submetido a duas técnicas de sutura, uma em plano aposicional e outra em dois planos com invaginação.
Castro, Márcio Botelho de   +3 more
core   +1 more source

Estudo do efeito da colostomia proximal terminal na cicatrização de anastomoses colo-cólicas em ratos

open access: yesActa Cirúrgica Brasileira, 2002
OBJETIVO: Estudar os efeitos da colostomia proximal terminal na cicatrização de anastomoses colo-cólicas em ratos. MÉTODOS: 36 ratas foram divididas em 2 grupos: grupo controle (C) com 12 animais submetidos à ressecção cólica segmentar seguida de ...
Leme Marcelo Betim Paes   +3 more
doaj  

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