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Reactive oxygen species (ROS) are toxic but essential molecules responsible for host defense and cellular signaling. Conserved NADPH oxidase (NOX) family enzymes direct the regulated production of ROS. Hydrogen peroxide (H(2)O(2)) generated by dual oxidases (DUOXs), a member of the NOX family, is crucial for innate mucosal immunity. In addition, H(2)O(2) is(More)
In polarized exocrine cells, the Golgi apparatus is cup-shaped and its convex and concave surfaces are designated as cis and trans faces, functionally confronting the rough endoplasmic reticulum and the cell surface, respectively. To clarify the morphological characteristics of the Golgi apparatus in non-polarized endocrine cells, the investigators(More)
In contrast to the widely accepted images of the Golgi apparatus as a cup-like shape, the Golgi in pituitary gonadotropes is organized as a spherical shape in which the outer and inner faces are cis- and trans-Golgi elements, respectively. At the center of the spherical Golgi, a pair of centrioles is situated as a microtubule-organizing center from which(More)
Although many studies of the Golgi apparatus structure have been performed by light and electron microscopy, the full shape of the Golgi apparatus remained unclear due to the technical limitations of the previously applied microscopy techniques. In this study, we used serial section scanning electron microscopy (SEM) for the morphological study of the Golgi(More)
Histological changes were observed in peripheral nerves following end-to-side nerve coaptation to determine the effects of perineurial opening and deliberate donor nerve injury during surgery. Twenty rats were randomised into four groups as follows: group 1, end-to-side nerve coaptation without perineurial opening; group 2, end-to-side nerve coaptation with(More)
Axonal injury and demyelination are observed in demyelinating diseases such as multiple sclerosis. However, pathological changes that underlie these morphologies are not fully understood. We examined in vivo morphological changes using a new histological technique, scanning electron microscopy (SEM) with osmium maceration method to observe three-dimensional(More)
BACKGROUND Lymphocyte recruitment into the portal tract is crucial not only for homeostatic immune surveillance but also for many liver diseases. However, the exact route of entry for lymphocytes into portal tract is still obscure. We investigated this question using a rat hepatic allograft rejection model. METHODS A migration route was analyzed by(More)
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