نتایج جستجو برای: induced tracheal damage
تعداد نتایج: 1163749 فیلتر نتایج به سال:
BACKGROUND The use of beta-blockers is limited by adverse effects such as bronchospasm in asthmatics. Third generation beta-blockers such as celiprolol may show better respiratory tolerability because they lack beta-blocker induced broncho-constriction. METHOD Effect of celiprolol on the histamine induced contraction of tracheal muscle strips prepared from ovalbumin-sensitised guinea pigs was...
Background: The pathophysiology of the varicocele has received considerable study, both in humans and in animal models. The sperm DNA damage and related oxidative stress have been identified as significant cause of male infertility. Present study was designed to evaluate the testicular nitric oxide (NO) generation, lipid and carbonyl groups (CGs) peroxidation and to analyze related sperm DNA da...
Background and purpose: Curcumin is a natural polyphenolic compound in turmeric (Curcuma longa). Curcumin has potent free radical scavenger and antioxidant properties that could significantly reduce oxidative damage. Oxidative stress and mitochondrial dysfunction contribute to valproate sodium induced tissue damage. This study investigated the protective effects of curcumin against valproate so...
Chrysotile asbestos interacts with mucin-secreting cells of tracheal organ cultures, causing an increase in secretion of mucin into the culture medium. This response occurs in the absence of obvious morphologic damage to tracheal epithelial cells. We speculated that asbestos-induced hypersecretion was regulated by the interaction of fibers with specific carbohydrate residues on the cell surface...
The effects of selective cyclooxygenase (COX) isoform (COX-1, COX-2) inhibition, alone or in combination with nitric-oxide synthase (NOS) blockade, on in vitro tracheal muscle responsiveness to histamine were investigated in healthy and ovalbumin (OVA)-sensitized guinea pigs. Immunohistochemistry showed that COX-1 and COX-2 are constitutively present in normal guinea pig trachea, particularly i...
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