程序性细胞死亡4(programmed cell death 4,PDCD4)是近年来发现的与细胞凋亡相关的新肿瘤抑制基因。研究发现PDCD4在多种肿瘤中存在缺失或下调,并影响肿瘤细胞的生物学行为。本文从该基因的发现、与肿瘤发生、发展的关系以及作用机制进...程序性细胞死亡4(programmed cell death 4,PDCD4)是近年来发现的与细胞凋亡相关的新肿瘤抑制基因。研究发现PDCD4在多种肿瘤中存在缺失或下调,并影响肿瘤细胞的生物学行为。本文从该基因的发现、与肿瘤发生、发展的关系以及作用机制进行了综述。展开更多
There are many clubs in our school,I would like to introduce some of them to you.Cool Players is a good choice for sports lovers.Here you can do sports one hour a day to make you healthy and strong,and you can watch s...There are many clubs in our school,I would like to introduce some of them to you.Cool Players is a good choice for sports lovers.Here you can do sports one hour a day to make you healthy and strong,and you can watch sports matches.If you are interested in books,Smart Readers is a good choice.Reading good books and writing reading notes are useful to enrich your knowledge and open up your eyes.Do you want to be a volunteer?展开更多
Our school life is busy and colorful.We have six lessons a day.We have many subjects to learn,such as Chinese,Maths,English,Chemistry,Physics,History,Geography,P.E.and Politics.Our teachers are strict with us.And we m...Our school life is busy and colorful.We have six lessons a day.We have many subjects to learn,such as Chinese,Maths,English,Chemistry,Physics,History,Geography,P.E.and Politics.Our teachers are strict with us.And we must study hard.After school,we can play展开更多
文摘There are many clubs in our school,I would like to introduce some of them to you.Cool Players is a good choice for sports lovers.Here you can do sports one hour a day to make you healthy and strong,and you can watch sports matches.If you are interested in books,Smart Readers is a good choice.Reading good books and writing reading notes are useful to enrich your knowledge and open up your eyes.Do you want to be a volunteer?
文摘Our school life is busy and colorful.We have six lessons a day.We have many subjects to learn,such as Chinese,Maths,English,Chemistry,Physics,History,Geography,P.E.and Politics.Our teachers are strict with us.And we must study hard.After school,we can play
