Cloning and characterization of porcine 4Ig-B7-H3: a potent inhibitor of porcine T-cell activation.

Competing Interests: This study was partly funded by HOUBIO TECH CO. LTD. There are no patents, products in development or marketed products to declare. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials. Funding: This work was supported by the grants from the Ministry of Science and Technology and the Ministry of Health (2008ZX10004-008), the National Natural Science Foundation of China (30873082), the Ministry of Science and Technology of China (2008BAI63B05), the Program for New Century Excellent Talents in University (NCET-07-0376), the 211 Project of Jinan University to S. Xiong and grants from the donation of HOUBIO TECH CO. LTD. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.