求翻译：美国Michigan大学设有肿瘤干细胞研究中心，他们早在2009年完成了乳腺癌肿瘤干细胞基因、蛋白、以及miRNA数据库的建立，与制药公司联手做筛选鉴定的研究。是什么意思？

U.S. michigan has a cancer stem cell research center, who in 2009 completed the establishment of breast cancer stem cell gene, protein, and mirna database, in conjunction with pharmaceutical companies to do the screening identified.

The University has a Michigan tumor Stem Cell Research Center, who completed the 2009 breast cancer tumor stem cells, proteins, and the establishment of the database, miRNA with the pharmaceutical companies to do the authentication filter.

American Michigan University is equipped with the tumor stem cell research center, they as early as have completed breast cancer tumor stem cell gene, the protein in 2009, as well as the miRNA database establishment, collaborates with the pharmaceutical company to do screens the appraisal the resear

United States University of Michigan has cancer stem cell research center, their early in 2009, breast cancer cancer stem cell genes, proteins, and miRNA creation of database, join hands to do screening and identification of research with pharmaceutical companies.

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