نتایج جستجو برای: tissue adhesions
تعداد نتایج: 922963 فیلتر نتایج به سال:
An optical technique for measuring the thickness of thin films has been adapted and evaluated for studying the structure of the adhesion of cells to glass in tissue culture. This technique, which is termed interference reflection microscopy, has been used to study embryonic chick heart fibroblasts. These findings have been observed: in normal culture medium the closest approach of the cell surf...
In mechanically loaded tissues such as weight-bearing joints, myocardium, and periodontal ligament, pathophysiological forces can disrupt cell-matrix contacts, which can induce cell death, leading to tissue and organ dysfunction. Protection against force-induced cell death may be mediated by filamin A (FLNa), an actin-binding protein that regulates β1 integrin-mediated cell adhesion. We examine...
This study has evaluated whether systemic changes of plasminogen activator (t-PA) and plasminogen activator inhibitor-1 (PAI-1) parallel the adhesions development and whether they could be used as predictors of adhesion risk. This has been studied in an animal model of post-surgical peritoneal adhesion by monitoring for 10 days the plasma and tissue levels of t-PA and PAI-1. The results showed ...
Background: Abdominal adhesions are considered as an important problem in abdominal surgery. In this study we compared the effectiveness of atorvastatin, hyaluronic acid and interceed (oxidized cellulose) in prevention of postoperative intestinal adhesions. Material and Methods: A total of 40 Wistar-albino rats were randomly divided into 5 groups: Group 1 (Sham); Group 2 (Control ...
In the present study, efficiency of intra-abdominal use macerated oil obtained from Taşköprü Garlic (Kastamonu/Türkiye), which is one products with geographical indication-from European Union, in preventing postoperative adhesions. The chemical structure macerated-oil, prepared using fresh-garlic at a concentration 1.2 g/ml olive oil, was analyzed by spectrophotometric and chromatographic metho...
In this study, adhesions on individual filopodial shafts were shown to control veil (lamellar) advance and to be modulated by guidance cues. Adhesions were detected in individual filopodia of sensory growth cones using optical recordings, adhesion markers, and electron microscopy. Veils readily advanced along filopodia lacking shaft adhesions but rarely advanced along filopodia displaying shaft...
The objective of this study was to determine the effectiveness of topical administration of honey in prevention of or reduction in post-surgical peritoneal adhesions in dog. The study was conducted on 18 adultfemale mixed-breed dogs with a mean ± SD weight of 20 ± 4.25 kg. A standardized surgical trauma (serosaltrauma model) was made in the dogs’ descending colon to induce adhesion formation. T...
BACKGROUND/AIMS Postoperative adhesions following abdominopelvic surgery may cause significant morbidity. In this study, the effect of different doses of methylene blue in the formation of adhesions and the role of allopurinol in revealing the possible mechanism of action was evaluated. METHODS Seventy five male Wistar-Albino rats weighing 200g-220g. were divided into five groups of 15 rats e...
Forces exerted by stationary cells have been investigated on the level of single focal adhesions by combining elastic substrates, fluorescence labeling of focal adhesions, and the assumption of localized force when solving the inverse problem of linear elasticity theory. Data simulation confirms that the inverse problem is ill-posed in the presence of noise and shows that in general a regulariz...
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