Results 51 to 60 of about 22,347 (209)

Polypoidal Intestinal Metaplasia and Dysplasia of the External Urethral Meatus

open access: yesCase Reports in Nephrology, 2012
Urethral mucosa with intestinal metaplasia and dysplasia is a rare occurrence. To date only a single case has been reported in a male with long-standing urethral stricture. We present a 33-year-old female with polypoid intestinal metaplasia and dysplasia
Mary Mathew   +4 more
doaj   +1 more source

Instabilities of monolayered epithelia: shape and structure of villi and crypts [PDF]

open access: yesPhys. Rev. Lett (2011), 2012
We study theoretically the shapes of a dividing epithelial monolayer of cells lying on top of an elastic stroma. The negative tension created by cell division provokes a buckling instability at a finite wave vector leading to the formation of periodic arrays of villi and crypts.
arxiv   +1 more source

Intestinal apoptotic changes linked to metabolic status in fasted and refed rats [PDF]

open access: yesPflugers Arch 451 (03/2006) 749-759, 2007
Intestinal apoptosis and expression of apoptosis inducers - the cytokines TNFalpha, TGFbeta1 - and the intestinal transcription factor Cdx2, were studied according to two different metabolic and hormonal phases which characterize long-term fasting: the long period of protein sparing during which energy expenditure is derived from lipid oxidation (phase
arxiv   +1 more source

Dynamics of primary cilia in endothelial and mesenchymal cells throughout mouse lung development

open access: yesDevelopmental Dynamics, EarlyView.
Abstract Cilia are specialized structures found on a variety of mammalian cells, with variable roles in the transduction of mechanical and biological signals (by primary cilia, PC), as well as in the generation of fluid flow (by motile cilia). Their critical role in the establishment of a left–right axis in early development is well described, as well ...
Stephen Spurgin   +8 more
wiley   +1 more source

La eficacia de la imagen de banda estrecha para la detección de metaplasia intestinal en pacientes adultos con síntomas de dispepsia

open access: yesRevista de Gastroenterología de México, 2018
Resumen: Introducción y objetivo: La atrofia y metaplasia intestinal son marcadores fenotípicos tempranos en la carcinogénesis gástrica. La endoscopia con luz blanca no permite la biopsia directa de metaplasia intestinal debido a la falta de contraste ...
S. Sobrino-Cossío   +7 more
doaj  

hTERT, MYC and TP53 deregulation in gastric preneoplastic lesions

open access: yesBMC Gastroenterology, 2012
Background Gastric cancer is a serious public health problem in Northern Brazil and in the world due to its high incidence and mortality. Despite the severity of the disease, more research is needed to better understand the molecular events involved in ...
Silva Tanielly Cristina   +11 more
doaj   +1 more source

Targeting the Tumor Microbiota in Cancer Therapy Basing on Nanomaterials

open access: yesExploration, EarlyView.
Intra‐tumoral microbiota, which is a potential component of the tumor microenvironment, has been emerging as a key participant and driving factor in cancer. This article reviews the latest progress in this field, including the microbial community within tumors and its pro‐cancer mechanisms, as well as the anti‐tumor strategies targeting intra‐tumoral ...
Yanan Niu   +4 more
wiley   +1 more source

Urachal Villous Adenoma Coexistent With Urachal Carcinoma: A Case Report

open access: yesIJU Case Reports, EarlyView.
ABSTRACT Introduction Urinary tract villous adenomas are uncommon, urachal villous adenomas being especially rare. While their malignant potential remains uncertain, villous adenomas may have malignant components. Here, we present a case of the coexistence of a urachal villous adenoma and urachal carcinoma. Case Presentation We report the case of an 86‐
Shotaro Hatano   +8 more
wiley   +1 more source

Prevalence of barrett's esophagus, its relationship with chronic Helicobacter pylori-associated gastritis, atrophy and metaplasia of gastric mucosa

open access: yesКлінічна та профілактична медицина, 2019
The aim - to identify the frequency of Helicobacter pylori infection, atrophic and metaplastic changes in the gastric mucosa in patients with Barrett's esophagus. Materials and methods.
T.V. Serha   +4 more
doaj   +1 more source

Lower Risk of Gastric Atrophy and Intestinal Metaplasia in Patients with MALT Lymphoma despite Infection [PDF]

open access: yesThe Korean Journal of Helicobacter and Upper Gastrointestinal Research, 2019
Background/Aims Atrophic gastritis and intestinal metaplasia are sequential consequences of chronic Helicobacter pylori (H. pylori) infection. These conditions are well known to increase the risk of gastric adenocarcinoma development.
Sang Min Lee   +5 more
doaj   +1 more source

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