Abstract：
:Interleukin-8 (IL-8), a potent chemoattractant, has been demonstrated to contribute to human cancer progression through its potential functions as a mitogenic, angiogenic, and motogenic factor. We designed a broad study to investigate whether genetic variation in IL-8 has implications for susceptibility to and prognosis in breast carcinoma. We used the allele-specific polymerase chain reaction to characterize the variation of the IL-8 promoter region for 308 unrelated Tunisian patients with breast carcinoma and 236 healthy control subjects. Associations of the clinicopathologic parameters and the genetic marker with the rates of the breast carcinoma-specific overall survival and the disease-free survival were assessed using univariate and multivariate analyses. A significantly increased risk of breast carcinoma was associated with heterozygous IL-8 (-251) TA (OR=1.58, p=0.02) and homozygous IL-8 (-251) AA (OR=1.76, p=0.01) variants. A significant association between the IL-8 (-251) AA homozygous genotype and the aggressive phenotype of breast carcinoma as defined by the high histological grade, auxiliary's lymph node metastasis, and large tumor size was found. The IL-8 (-251) A allele manifested a significant association with decreased overall survival and disease-free survival for breast carcinoma patients. The polymorphism in the promoter region of the IL-8 gene may not only represent a marker for the increased risk of breast carcinoma but also predict the clinical outcome.
journal_name
Hum Immunoljournal_title
Human immunologyauthors
Snoussi K,Mahfoudh W,Bouaouina N,Ahmed SB,Helal AN,Chouchane Ldoi
10.1016/j.humimm.2006.03.018subject
Has Abstractpub_date
2006-01-01 00:00:00pages
13-21issue
1-2eissn
0198-8859issn
1879-1166pii
S0198-8859(06)00057-7journal_volume
67pub_type
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