Results 11 to 20 of about 836,418 (171)

Tumor carcinoide del apéndice cecal: cuando un hallazgo incidental modifica drásticamente el pronóstico y tratamiento del paciente

Revista Colombiana de Gastroenterología, 2017
Introducción: la apendicectomía es un procedimiento ampliamente utilizado en todo el mundo, bien sea como consecuencia de signos y síntomas sugestivos de apendicitis aguda o como resección profiláctica.
María Carolina Díaz Rivera, Kenny Buitrago Toro, Pablo Gonzales   +2 more
doaj   +2 more sources

Molecular heterogeneity and commonalities in pancreatic cancer precursors with gastric and intestinal phenotype

Gut, 2022
Objective Due to the limited number of modifiable risk factors, secondary prevention strategies based on early diagnosis represent the preferred route to improve the prognosis of pancreatic ductal adenocarcinoma (PDAC).
S. Liffers, Laura K. Godfrey, Lisa Frohn, L. Haeberle, A. Yavas, Rita Vesce, W. Goering, F. Opitz, N. Stoecklein, W. Knoefel, A. Schlitter, G. Klöppel, Elisa Espinet, A. Trumpp, J. Siveke, I. Esposito   +15 more
semanticscholar   +1 more source

PU.1-driven Th9 Cells Promote Colorectal Cancer in Experimental Colitis Models Through Il-6 Effects in Intestinal Epithelial Cells

Journal of Crohn's & Colitis, 2022
Background and Aims Colorectal cancer [CRC] is one of the most frequent malignancies, but the molecular mechanisms driving cancer growth are incompletely understood.
K. Gerlach, Vanessa Popp, S. Wirtz, Ragheed Al-Saifi, Miguel Gonzalez Acera, R. Atreya, Theresa Dregelies, M. Vieth, S. Fichtner‐Feigl, A. McKenzie, F. Rosenbauer, B. Weigmann, M. Neurath   +12 more
semanticscholar   +1 more source

Antioxidants Promote Intestinal Tumor Progression in Mice

Antioxidants, 2021
Dietary antioxidants and supplements are widely used to protect against cancer, even though it is now clear that antioxidants can promote tumor progression by helping cancer cells to overcome barriers of oxidative stress. Although recent studies have, in
Zhiyuan Zou, Kristell Le Gal, A. E. El Zowalaty, Lara E Pehlivanoglu, Viktor Garellick, Nadia Gul, Mohamed X Ibrahim, Per-Olof Bergh, Marcus Henricsson, Clotilde Wiel, L. Akyürek, M. Bergo, V. Sayin, P. Lindahl   +13 more
semanticscholar   +1 more source

Histologic differentiation and mucin phenotype in white opaque substance-positive gastric neoplasias

Endoscopy International Open, 2015
Background and study aims: The authors previously reported that the white opaque substance (WOS) in gastric epithelial neoplasia was caused by accumulation of lipid droplets by immunohistochemical and immunoelectron microscopic studies of adipophilin ...
T. Ueo, H. Yonemasu, K. Yao, T. Ishida, Kazumi Togo, Y. Yanai, M. Fukuda, Mitsuteru Motomura, Ryoichi Narita, K. Murakami   +9 more
semanticscholar   +1 more source

Risk for gastric neoplasias in patients with chronic atrophic gastritis: a critical reappraisal.

World Journal of Gastroenterology, 2012
Chronic atrophic gastritis (CAG) is an inflammatory condition characterized by the loss of gastric glandular structures which are replaced by connective tissue (non-metaplastic atrophy) or by glandular structures inappropriate for location (metaplastic ...
L. Vannella, E. Lahner, B. Annibale
semanticscholar   +1 more source

MicroRNA-31 Reduces Inflammatory Signaling and Promotes Regeneration in Colon Epithelium, and Delivery of Mimics in Microspheres Reduces Colitis in Mice.

Gastroenterology, 2019
BACKGROUND & AIMS Levels of microRNA 31 (MIR31) are increased in intestinal tissues from patients with inflammatory bowel diseases and colitis-associated neoplasias. We investigated the effects of this microRNA on intestinal inflammation by studying mice
Yuhua Tian, Jiuzhi Xu, Yuan Li, Ran Zhao, Sujuan Du, Cong Lv, Wei Wu, Ruiqi Liu, Xiaole Sheng, Yongli Song, Xueyun Bi, Guilin Li, Mengzhen Li, Xi Wu, Pengbo Lou, Huiwen You, W. Cui, Jinyue Sun, Jianwei Shuai, F. Ren, Bing-Kun Zhang, M. Guo, X. Hou, Kaichun Wu, L. Xue, Hongquan Zhang, M. Plikus, Y. Cong, C. Lengner, Zhanju Liu, Zhengquan Yu   +30 more
semanticscholar   +1 more source

Frequent Somatic Mutation in Adult Intestinal Stem Cells Drives Neoplasia and Genetic Mosaicism during Aging

Cell Stem Cell, 2015
Summary Adult stem cells may acquire mutations that modify cellular behavior, leading to functional declines in homeostasis or providing a competitive advantage resulting in premalignancy.
Katarzyna Siudeja, S. Nassari, Louis Gervais, P. Skorski, S. Lameiras, Donato Stolfa, M. Zande, V. Bernard, T. R. Frio, Allison J. Bardin   +9 more
semanticscholar   +1 more source

Gastrointestinal stromal tumors in Japanese patients with neurofibromatosis type I

Journal of gastroenterology, 2015
BackgroundNeurofibromatosis type I (NF1) predisposes patients to various neoplasias, including gastrointestinal stromal tumors (GISTs). Little is known about the risk of developing GISTs for NF1 patients or the clinicopathologic features and prognosis of
T. Nishida, M. Tsujimoto, Tsuyoshi Takahashi, S. Hirota, J. Blay, M. Wataya-Kaneda   +5 more
semanticscholar   +1 more source

Consenso colombiano de tumores neuroendocrinos intestinales y síndrome carcinoide

Revista Colombiana de Endocrinología, Diabetes y Metabolismo
Contexto: los tumores neuroendocrinos (TNE) intestinales se desarrollan a partir de células especializadas del sistema endocrino difuso y pueden tener la capacidad de liberar, de manera excesiva, serotonina y otros péptidos vasoactivos, ocasionando ...
Luis Felipe Fierro Maya, Claudia P. Córdoba Carreño, Andres A. Cuéllar-Cuéllar, Helena Facundo Navia, Andrés Flórez Romero, Angélica María González Clavijo, Deyanira González Devia, Oscar A. Guevara Cruz, Julián G. Rojas Camacho, Leonardo J. Rojas Melo, Alejandro Román González, Alfredo E. Romero Rojas, Jesús O. Sánchez Castillo, Mireya Tapiero Garcia   +13 more
doaj   +1 more source