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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Zhang, Lei Liao, Ming-fang Tian, Lei Zou, Si-li Lu, Qing-sheng Bao, Jun-min Pei, Yi-fei Jing, Zai-ping |
| Description | Country affiliation: China Author Affiliation: Zhang L ( Department of Vascular Surgery, Changhai Hospital, Second Military Medical University, 168 Changhai Road, Shanghai 200433, China.) |
| Abstract | OBJECTIVE: To examine the expression of interleukin-1ß and interferon-γ and their possible roles in aortic dissections and aneurysms. METHODS: Aortic specimens were obtained from patients with type I thoracic aortic dissection, ascending thoracic aortic aneurysms, and control organ donors. The expression of interleukin-1ß, interferon-γ, matrix metalloproteinase-9, and signal transduction factors phospho-p38 and phosphorylated c-jun N-terminal kinase (phospho-JNK) were detected by real time reverse transcription-polymerase chain reaction (real time RT-PCR), Western blot, and immunohistochemistry, respectively. Terminal deoxynucleotidyl transferase dUTP nick-end labeling (TUNEL) staining was performed to detect apoptosis of media cells. The correlation of these factors and apoptosis was also studied. RESULTS: Apoptosis in the media of thoracic aortic dissection and in ascending thoracic aortic aneurysms was dramatically higher than in the control group. The expression of interleukin-1ß gradually increased from the control group, thoracic aortic dissection to ascending thoracic aortic aneurysms (p < 0.01, respectively). The expression of interferon-γ and matrix metalloproteinase-9 was significantly increased in the media of thoracic aortic dissection and ascending thoracic aortic aneurysms compared with the control group (p < 0.01, respectively). There were positive correlations between interleukin-1ß versus matrix metalloproteinase-9, interleukin-1ß versus phospho-p38 in thoracic aortic dissection (p < 0.01, respectively), and interferon-γ versus matrix metalloproteinase-9, interferon-γ versus phospho-JNK, interferon-γ versus apoptosis, and interleukin-1ß versus apoptosis in ascending thoracic aortic aneurysms (p = 0.02, 0.02, p < 0.01, p < 0.01). CONCLUSIONS: Interleukin-1ß and interferon-γ might effect the formation of thoracic aortic dissection and ascending thoracic aortic aneurysms possibly through the up-regulation of matrix metalloproteinase-9 and the apoptosis of media cells in humans. |
| File Format | HTM / HTML |
| ISSN | 10107940 |
| e-ISSN | 1873734X |
| Journal | European Journal of Cardio-Thoracic Surgery |
| Issue Number | 1 |
| Volume Number | 40 |
| Language | English |
| Publisher | Oxford University Press |
| Publisher Date | 2011-07-01 |
| Publisher Place | Germany |
| Access Restriction | Open |
| Subject Keyword | Discipline Cardiology__semicolon__surgery Aneurysm, Dissecting Metabolism Aortic Aneurysm, Thoracic Interferon-gamma Interleukin-1beta Matrix Metalloproteinase 9 Pathology Antigens, Cd Antigens, Cd4 Antigens, Differentiation, Myelomonocytic Apoptosis Physiology Biological Markers Case-control Studies Map Kinase Signaling System Real-time Polymerase Chain Reaction Tunica Media P38 Mitogen-activated Protein Kinases |
| Content Type | Text |
| Resource Type | Article |
| Subject | Pulmonary and Respiratory Medicine Surgery Cardiology and Cardiovascular Medicine |
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