Circulatory metabolites trigger ex vivo arterial endothelial cell dysfunction in population chronically exposed to diesel exhaust.

"Declarations Ethics approval and consent to participateThe study was approved by the Medical Ethical Review Committee of the National Institute for Occupational Health and Poison Control, Chinese Center for Disease Control and Prevention (protocol number: NIOHP201604) and all participants gave their written informed consent to participate. Consent for publicationNot applicable. Competing interestsThe authors report no competing financial or other interests. Competing interests The authors report no competing financial or other interests. "

"Funding This study was primarily supported by the National Natural Science Foundation of China (92043202, 91943301 and 81872600) and Guangdong Provincial Natural Science Foundation Team Project (2018B030312005). Dr. Tang received support from the National Natural Science Foundation of China (81872651). Dr. Leng received support from the Cancer Center Support Grant National Cancer Institute P30CA118100."