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Inflammation. 2015 Oct;38(5):1864-73. doi: 10.1007/s10753-015-0166-5.

Identification of Novel Inflammatory Cytokines and Contribution of Keratinocyte-Derived Chemokine to Inflammation in Response to Vibrio vulnificus Infection in Mice.

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Department of Laboratory Medicine, General Hospital of Ji'nan Military Region of PLA, Ji'nan, 250031, Shandong Province, People's Republic of China.


Currently, only tumor necrosis factor alpha (TNF-α) and interleukin family cytokines have been found to be elicited in Vibrio vulnificus (V. vulnificus)-infected animal models and humans. However, multiple other cytokines are also involved in the immune and inflammatory responses to foreign microorganism infection. Antibody array technology, unlike traditional enzyme-linked immunosorbent assay (ELISA), is able to detect multiple cytokines at one time. Therefore, in this study, we examined the proinflammatory cytokine profile in the serum and liver homogenate samples of bacterial-infected mice using antibody array technology. We identified nine novel cytokines in response to V. vulnificus infection in mice. We found that keratinocyte-derived chemokine (KC) was the most elevated cytokine and demonstrated that KC played a very important role in the V. vulnificus infection-elicited inflammatory response in mice, as evidenced by the fact that the blocking of KC by anti-KC antibody reduced hepatic injury in vivo and that KC induced by V. vulnificus infection in AML-12 cells chemoattracted neutrophils. Our findings implicate that KC may serve as a novel diagnostic biomarker and a possible therapeutic target for V. vulnificus infection.

[Indexed for MEDLINE]

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