Results 61 to 70 of about 1,168,282 (300)

Secondary Bile Acids and Short Chain Fatty Acids in the Colon: A Focus on Colonic Microbiome, Cell Proliferation, Inflammation, and Cancer

open access: yesInternational Journal of Molecular Sciences, 2019
Secondary bile acids (BAs) and short chain fatty acids (SCFAs), two major types of bacterial metabolites in the colon, cause opposing effects on colonic inflammation at chronically high physiological levels. Primary BAs play critical roles in cholesterol
Huawei Zeng   +4 more
semanticscholar   +1 more source

Cytoplasmic p21 promotes stemness of colon cancer cells via activation of the NFκB pathway

open access: yesMolecular Oncology, EarlyView.
Cytoplasmic p21 promotes colorectal cancer stem cell (CSC) features by destabilizing the NFκB–IκB complex, activating NFκB signaling, and upregulating BCL‐xL and COX2. In contrast to nuclear p21, cytoplasmic p21 enhances spheroid formation and stemness transcription factor CD133.
Arnatchai Maiuthed   +10 more
wiley   +1 more source

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

Class IIa HDACs forced degradation allows resensitization of oxaliplatin‐resistant FBXW7‐mutated colorectal cancer

open access: yesMolecular Oncology, EarlyView.
HDAC4 is degraded by the E3 ligase FBXW7. In colorectal cancer, FBXW7 mutations prevent HDAC4 degradation, leading to oxaliplatin resistance. Forced degradation of HDAC4 using a PROTAC compound restores drug sensitivity by resetting the super‐enhancer landscape, reprogramming the epigenetic state of FBXW7‐mutated cells to resemble oxaliplatin ...
Vanessa Tolotto   +13 more
wiley   +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  

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

Effect of chemotherapy on passenger mutations in metastatic colorectal cancer

open access: yesMolecular Oncology, EarlyView.
Changes in passenger mutation load and predicted immunotherapy response after chemotherapy treatment. Tumor cells rich with passenger mutations have increased sensitivity to chemotherapy. Correlation of passenger mutations with neoantigen load suggests highly mutated clones promote a more effective response to immunotherapy, and therefore, first‐line ...
Marium T. Siddiqui   +6 more
wiley   +1 more source

Influência do tempo transcorrido entre a lesão do cólon e a síntese no processo de cicatrização

open access: yesActa Cirúrgica Brasileira, 2000
O tratamento das lesões do cólon têm se modificado com relação à escolha da técnica do reparo primário à colostomia e ao reparo secundário. Entre os fatores de risco para síntese primária está o tempo transcorrido.
Maria de Lourdes Pessole Biondo-Simões   +8 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

Strength through diversity: how cancers thrive when clones cooperate

open access: yesMolecular Oncology, EarlyView.
Intratumor heterogeneity can offer direct benefits to the tumor through cooperation between different clones. In this review, Kuiken et al. discuss existing evidence for clonal cooperativity to identify overarching principles, and highlight how novel technological developments could address remaining open questions.
Marije C. Kuiken   +3 more
wiley   +1 more source

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