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Human pituitary expression of MEG3 non-coding RNA. Top panel: Immunohistochemical staining to detect each anterior pituitary hormone, identifying different pituitary cell types. Middle panel: In situ hybridization to detect MEG3 transcripts on the same slides. Bottom panel: Overlay of images from immunostaining and in situ hybridization, showing the presence of MEG3 transcripts in all pituitary cell types. From the article by Gejman et al., in this issue, pages 4119–4125.