| Cytokine Responses to E. coli-induced Epididymitis in the Rat: Blockade by Vasectomy. | |
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MedLine Citation:
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PMID: 21529899 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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OBJECTIVES: To determine cytokine responses in rat epididymal tissues after retrograde Escherichia coli inoculation of the cauda epididymidis via the intact and obstructed vas deferens. METHODS: Adult male Sprague-Dawley rats were divided into 3 groups: bilateral sham vasectomy followed by unilateral sham retrograde inoculation in the vas deferens (group A), bilateral sham vasectomy followed by unilateral retrograde inoculation of E. coli (group B), and bilateral vasectomy followed by left-sided inoculation of E. coli (group C). Three days later, the cauda epididymides and proximal vasa were subjected to histologic examination and assay for 9 cytokines. RESULTS: Groups A and C showed no histologic evidence of epididymal inflammation. Group B had leukocyte infiltrates in the inoculated tissue. Cytokine levels in the injected cauda epididymides were low in groups A and C; however, interleukin (IL)-1α, IL-1β, and IL-4 were significantly increased in group B. The 6 other cytokines showed no significant change after E. coli infection though tumor necrosis factor-α, and IL-6 did show strong trends for increase. Contralateral epididymides never showed an inflammatory response. CONCLUSIONS: Experimental epididymitis induced by retrograde movement of bacteria in the vas deferens results in different responses by different cytokines. The cytokine responses and the histologically evident inflammation are prevented by vasectomy. |
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Authors:
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Terry T Turner; Tony Mammen; Parviz Kavoussi; Jeffrey J Lysiak; Raymond A Costabile |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-4-27 |
Journal Detail:
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Title: Urology Volume: - ISSN: 1527-9995 ISO Abbreviation: - Publication Date: 2011 Apr |
Date Detail:
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Created Date: 2011-5-2 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0366151 Medline TA: Urology Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011 Elsevier Inc. All rights reserved. |
Affiliation:
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Department of Urology, University of Virginia School of Medicine, Charlottesville, VA. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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