ABSTRACT
<p><b>OBJECTIVE</b>Chronic rhinosinusitis was often exacerbated by viral infection. A disruption of the mechanisms that regulate the activity of matrix metalloproteinases (MMPs) during viral infection was one possible mechanism responsible for the exacerbation. The purpose of study was to achieve a better understanding of MMP expression in nasal epithelial cells after viral infection.</p><p><b>METHODS</b>Human nasal epithelial cells were isolated from nasal polyp specimens obtained during endoscopic endonasal surgery in chronic rhinosinusitis patients. The expression of MMP-2, MMP-9, and tissue inhibitor of metalloproteinase (TIMP)-1 mRNA in primary human nasal polyp epithelial cells after double stranded RNA (ds RNA) stimulation were investigated.</p><p><b>RESULTS</b>Among the genes whose expression was evaluated, only expression of MMP-9 mRNA increased significantly after dsRNA stimulation (22.61 +/- 5.47 fold increase, Z = -2.52, P = 0.012).</p><p><b>CONCLUSIONS</b>The significant up-regulation of MMP-9 mRNA, which was not modulated by TIMP-1, was an additional source of increased proteolytic activity in virus-infected upper airways that might contribute to the exacerbation of chronic rhinosinusitis with nasal polyps.</p>
Subject(s)
Humans , Cells, Cultured , Epithelial Cells , Metabolism , Gene Expression Regulation, Enzymologic , Matrix Metalloproteinase 2 , Genetics , Metabolism , Matrix Metalloproteinase 9 , Genetics , Metabolism , Nasal Polyps , Genetics , Metabolism , Poly I-C , Pharmacology , RNA, Double-Stranded , Genetics , RNA, Messenger , Genetics , Sinusitis , Genetics , Tissue Inhibitor of Metalloproteinase-1 , Genetics , MetabolismABSTRACT
We evaluated the clinical effects of acupuncture/moxibustion therapy in 7 patients with vertigo that was uncontrollable with western medicine. The observation period was 6-15 months. The 7 patients consisted of 1 male and 6 females aged 29-73 years (mean, 44.7 years). More than 4 courses or more of acupuncture/moxibustion treatment (acupuncture + warm moxibustion) were performed in each patient, and the effects were evaluated based on the results of a daily living disability questionnaire before and after treatment. In practice, these effects were classified into 4 grades (cure, improvement, no change, aggravation). Cure was observed in1patient, improvement in 5 patients, and no change in1patient, indicating this therapy was effective in 85% of the patients. None of the patients showed aggravation of their condition. In addition, no adverse effects were observed.Our results suggest that acupuncture/moxibustion therapy has certain effects on intractable vertigo. Therefore, in patients with vertigo who do not respond to western medical care, such as the administration of anti-vertigo drugs, a beneficial effect of acupuncture/moxibustion as a complementary therapy can be expected.