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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Takeshita, M. Tani, T. Harada, S. Hayashi, H. Itoh, H. Tajima, H. Ohnishi, I. Takamura, H. Fushida, S. Kayahara, M. |
| Description | Country affiliation: Japan Author Affiliation: Takeshita M ( Department of Gastroenterologic Surgery, Division of Cancer Medicine, Graduate School of Medical Science, Kanazawa University, Ishikawa, Japan.) |
| Abstract | BACKGROUND: Small intestinal ischemia-reperfusion (I/R) injury, a clinically important condition, induces severe organ damage. Ischemic preconditioning (IPC) produces tolerance to long-term I/R by inducing a short-term I/R. Herein, we have examined the reduction in the extent of injury by IPC. METHODS: Small intestinal I/R injury was induced in rats by clamping the superior mesenteric artery (SMA) for 30 minutes followed by reperfusion for various 30 minutes. The IPC + I/R group underwent a short-term I/R (IPC) prior to long-term I/R. Nuclear factor-κB (NF-κB) activity was analyzed by an electrophoretic mobility shift assay and cytokine mRNA levels, by reverse transcription-polymerase chain reaction. Apoptosis-related genes were analyzed by Western blotting and immunohistochemistry, and apoptotic cells, by TUNEL staining. RESULTS: The animals were subjected to 30 minutes of ischemia followed by 30 minutes of reperfusion. NF-κB activity increased in the I/R group and decreased in the IPC + I/R group. The IPC + I/R group showed decreased cytokine in mRNA levels. Expression of the proapoptotic gene caspase-3 was increased in the I/R and decreased in the IPC + I/R group. Expression of the antiapoptotic gene Bcl-xL was increased in the IPC + I/R group. The number of apoptotic cells was increased in the I/R and decreased in the IPC + I/R group. CONCLUSION: Small intestinal I/R injury was reduced by IPC produced by clamping the SMA; thus, IPC may have potential clinical applications in the future. |
| File Format | HTM / HTML |
| ISSN | 00411345 |
| Issue Number | 9 |
| Volume Number | 42 |
| e-ISSN | 18732623 |
| Journal | Transplantation Proceedings |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2010-11-01 |
| Publisher Place | United States |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Transplantation__semicolon__medicine Ischemic Preconditioning Jejunum Blood Supply Metabolism Nf-kappa B Reperfusion Injury Prevention & Control Animals Apoptosis Binding Sites Blotting, Western Caspase 3 Constriction Dna Disease Models, Animal Electrophoretic Mobility Shift Assay Gene Expression Regulation Immunohistochemistry In Situ Nick-end Labeling Intercellular Adhesion Molecule-1 Genetics Interleukin-1beta Pathology Male Mesenteric Artery, Superior Surgery Rna, Messenger Rats Rats, Inbred Lew Reverse Transcriptase Polymerase Chain Reaction Time Factors Tumor Necrosis Factor-alpha Bcl-x Protein Journal Article |
| Content Type | Text |
| Resource Type | Article |
| Subject | Transplantation Surgery |
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