%0 Journal Article %T Role of gamma-delta T cells in host response against Staphylococcus aureus-induced pneumonia %A Ping Cheng %A Tao Liu %A Wei-Ying Zhou %A Yuan Zhuang %A Liu-sheng Peng %A Jin-yu Zhang %A Xu-hu Mao %A Gang Guo %A Yun Shi %A Quan-ming Zou %J BMC Immunology %D 2012 %I BioMed Central %R 10.1186/1471-2172-13-38 %X Mice infected with S. aureus intranasally showed rapid ¦Ã¦Ä T cells accumulation in the lung. Deficiency of ¦Ã¦Ä T cells led to attenuated bacterial clearance and less tissue damage in lung compared with WT mice. Moreover, TCR-¦Ä£¿/£¿ mice exhibited impaired neutrophil recruitment and reduced cytokine production at the site of infection. The ¦Ã¦Ä T cells in response to pulmonary S. aureus infection mainly secreted IL-17 and ¦Ã¦Ä T cells deficiency reduced IL-17 production, which might regulate the production of neutrophil-inducing cytokine/chemokine in the S. aureus-infected lungs.Accumulation of ¦Ã¦Ä T cells in the lungs to S. aureus infection is beneficial for bacteria clearance and also contributes to the tissue damage. These cells were the primary source of IL-17, which might influence the recruitment of neutrophils at the early stage of infection. %U http://www.biomedcentral.com/1471-2172/13/38/abstract