نتایج جستجو برای: villus morphology

تعداد نتایج: 147930  

Journal: :Indian journal of gastroenterology : official journal of the Indian Society of Gastroenterology 2010
Amandeep Kaur Kalra Shiffalli Gupta Aasma Turan Safrun Mahmood Akhtar Mahmood

BACKGROUND Reactive oxygen species (ROS) have been implicated in the turnover of epithelial cells in the rat intestine. The metabolism of ethanol generates ROS, which are implicated in cellular injury, but the levels of lipid peroxidation in intestine in chronic alcoholism are unknown. AIM To investigate the effects of ethanol ingestion on lipid peroxidation, and anti- and pro-oxidant enzyme ...

2005
M. S. Xia C. H. Hu Z. R. Xu Y. Ye Y. H. Zhou

Copper-bearing montmorillonite (Cu-MMT) was produced by Cu cation exchange reaction. X-ray diffraction analysis showed that that the (001) basal spacing of the MMT crystal lattice increased from 1.544 to 1.588 nm after Cu exchange. This indicated that Cu entered into interlayer position of MMT as a hydrated cation or composite cation. In vitro results indicated that CuMMT had antibacterial acti...

2016
I.C. Sampaio P.H.Q.S. Medeiros F.A.P. Rodrigues P.A. Cavalcante S.A. Ribeiro J.S. Oliveira M.M.G. Prata D.V.S. Costa S.G.C. Fonseca M.M. Guedes A.M. Soares G.A.C. Brito A. Havt S.R. Moore A.A.M. Lima

Undernutrition represents a major public health challenge for middle- and low-income countries. This study aimed to evaluate whether a multideficient Northeast Brazil regional basic diet (RBD) induces acute morphological and functional changes in the ileum of mice. Swiss mice (∼25 g) were allocated into two groups: i) control mice were fed a standard diet and II) undernourished mice were fed th...

2016
Huansheng Yang Xia Xiong Xiaocheng Wang Bie Tan Tiejun Li Yulong Yin

The intestinal upper villus epithelial cells represent the differentiated epithelial cells and play key role in digesting and absorbing lumenal nutrients. Weaning stress commonly results in a decrease in villus height and intestinal dysfunction in piglets. However, no study have been conducted to test the effects of weaning on the physiology and functions of upper villus epithelial cells. A tot...

Journal: :Medical care 1994
P S Heckerling M S Verp

Amniocentesis and chorionic villus sampling are tests for the prenatal diagnosis of cytogenetic abnormalities. We calculated the incremental costs per abnormal birth averted, and the incremental costs per quality-adjusted outcome, of amniocentesis and chorionic villus sampling performed for the indication of maternal age. Probabilities were obtained from the literature, and direct medical costs...

Journal: :Canadian Journal of Animal Science 2022

This study was conducted to investigate the effects of dietary supplementation with different organic acid (OA) mixtures on growth performance, nutrient digestibility, and gut morphology in weaned pigs. A total 56 pigs (7.93 ± 1.04 kg body weight) were assigned four treatments seven replicates per treatment for a 35-day over two phases: phase 1 (day 14) 2 14 35). Diets consisted (1) corn–soybea...

Journal: :Journal of immunology 2013
Christopher S McAllister Omar Lakhdari Guillaume Pineton de Chambrun Mélanie G Gareau Alexis Broquet Gin Hyug Lee Steven Shenouda Lars Eckmann Martin F Kagnoff

TLR3 signaling is activated by dsRNA, a virus-associated molecular pattern. Injection of dsRNA into mice induced a rapid, dramatic, and reversible remodeling of the small intestinal mucosa with significant villus shortening. Villus shortening was preceded by increased caspase 3 and 8 activation and apoptosis of intestinal epithelial cells (IECs) located in the mid to upper villus with ensuing l...

2013
Gabriela Aust Christiane Kerner Susann Gonsior Doreen Sittig Hartmut Schneider Peter Buske Markus Scholz Norman Dietrich Sindy Oldenburg Olga N. Karpus Jörg Galle Salah Amasheh Jörg Hamann

Postnatal enlargement of the mammalian intestine comprises cylindrical and luminal growth, associated with crypt fission and crypt/villus hyperplasia, respectively, which subsequently predominate before and after weaning. The bipartite adhesion G protein-coupled receptor CD97 shows an expression gradient along the crypt-villus axis in the normal human intestine. We here report that transgenic m...

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