BACKGROUND:Maternally expressed gene 3(MEG3),a long noncoding RNA,downregulation has been reported in some cancer tissues.However,nothing is known about the alteration and role of MEG3 in environmenta
目的:越来越多的研究表明,大气颗粒物(particulatematter,PM)对健康的有害影响与颗粒大小有关,不同粒径大小的颗粒物其毒性作用也并不相同.本文通过研究大气可吸入颗粒PM10、PM 10-2.5和PM2.5暴露与精液质量的关系,探讨不同粒径颗粒物对男性生殖健康的影响.方法:建立重庆市大学生生殖健康队列(Male Reproductive Health in Chongqing Col