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Mice That Express Human Interleukin-8 Have Increased Mobilization of Immature Myeloid Cells, Which Exacerbates Inflammation and Accelerates Colon Carcinogenesis

2012; Elsevier BV; Volume: 144; Issue: 1 Linguagem: Inglês

10.1053/j.gastro.2012.09.057

1528-0012

Samuel Asfaha, Alexander Dubeykovskiy, Hiroyuki Tomita, Xiangdong Yang, Sarah Stokes, Wataru Shibata, Richard A. Friedman, Hiroshi Ariyama, Zinaida A. Dubeykovskaya, Sureshkumar Muthupalani, Russell Ericksen, Harold Frucht, James G. Fox, Timothy C. Wang,

Immune Response and Inflammation

Interleukin (IL)-8 has an important role in initiating inflammation in humans, attracting immune cells such as neutrophils through their receptors CXCR1 and CXCR2. IL-8 has been proposed to contribute to chronic inflammation and cancer. However, mice do not have the IL-8 gene, so human cancer cell lines and xenograft studies have been used to study the role of IL-8 in colon and gastric carcinogenesis. We generated mice that carry a bacterial artificial chromosome that encompasses the entire human IL-8 gene, including its regulatory elements (IL-8Tg mice).