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3′UTR of MHC II mRNAs-binding by northwestern. (A) Schematic representation of HLA-DRA, HLA-DRB1, HLA-DQA1 and HLA-DQB1 mRNAs with 5′UTR, coding region and 3′UTR indicated respectively as black, white and grey bars. The probes used are indicated. (B) Northwestern blot analysis of S100 extracts prepared from M14 and Raji cell lines carried out with 3-DRA, 3-DRB1 and 3-DQA1 riboprobes. The molecular weights are indicated.
