نتایج جستجو برای: retraction
تعداد نتایج: 13428 فیلتر نتایج به سال:
Retraction: NF-κB Inhibitors Attenuate MCAO Induced Neurodegeneration and Oxidative Stress—A Reprofiling Approach The journal retracts the 24 March 2020 article cited above. Following publication, concerns were raised regarding integrity of images in published figures, with areas image duplication manipulation Figures 5 6. authors failed to provide a satisfactory explanation during investigatio...
Trauma to the adult CNS initiates multiple processes including primary and secondary axotomy, inflammation, and glial scar formation that have devastating effects on neuronal regeneration. After spinal cord injury, the infiltration of phagocytic macrophages coincides with long-distance axonal retraction from the initial site of injury, a deleterious phenomenon known as axonal dieback. We have p...
Crawling movement in eukaryotic cells requires coordination of leading-edge protrusion with cell body retraction [1-3]. Protrusion is driven by actin polymerization along the leading edge [4]. The mechanism of retraction is less clear; myosin contractility may be involved in some cells [5] but is not essential in others [6-9]. In Ascaris sperm, protrusion and retraction are powered by the major...
OBJECTIVE To determine the location of center of resistance and the relationship between height of retraction force on power arm (power-arm length) and movement of anterior teeth (degree of rotation) during sliding mechanics retraction. MATERIALS AND METHODS Three human subjects with maxillary protrusion were selected for this study. Initial tooth displacements of maxillary right central inci...
Neurosurgeons have endeavored to make surgery safe for the patient ever since the inception of neurosurgery as a specialty. The limited capacity of the neural tissue to withstand sustained retraction coupled with rigid covering of the brain has been the major limitation in brain surgery. Besides the lesion itself, the surgical approach to it often results in poor outcome due to brain retraction...
Articles may be retracted when their findings are no longer considered trustworthy due to scientific misconduct or error, they plagiarize previously published work, or they are found to violate ethical guidelines. Using a novel measure that we call the "retraction index," we found that the frequency of retraction varies among journals and shows a strong correlation with the journal impact facto...
PURPOSE To evaluate the outcome of eyelid retraction surgery in thyroid-related orbitopathy (TRO) patients in 2 different surgical settings: done simultaneously with orbital decompression or as a staged procedure after orbital decompression. DESIGN Retrospective, comparative, nonrandomized clinical study. PARTICIPANTS Ninety-six patients (158 eyes). METHODS A review of electronic medical ...
Background: Scapula displacement has a noticeable impact on the muscles’ function around the shoulder girdle and scapular stabilizer muscles in particular. Current study aims to compare the strength of shoulder’s complex muscles between elite female volleyball players with regard to the scapula positioning. Methods: Twenty four elite female volleyball players who were selected randomly ( ran...
Our previous work demonstrated that the 12-lipoxygenase metabolite of arachidonic acid, 12(S)-hydroxyeicosatetraenoic acid [12(S)-HETE] induced a nondestructive and reversible retraction of cultured endothelial cells. In the current study we tested the hypothesis that tumor cells produce 12(S)-HETE during their interactions with endothelial cells which in turn induces endothelial cell retractio...
INTRODUCTION Various anchorage techniques have been designed for canine retraction. Intraoral techniques have not always been successful, and now implants are widely used for this purpose. A new type of titanium microimplant, with a small diameter and a button-like head, was shown to be an effective source of anchorage for distal movement of the canines. The purposes of this study were to measu...
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