PKP2 and ocular melanoma: Consistently, measures of PKP2 gene expression taken in ex vivo isolated mature adipocytes (MA) and the stromal vascular cell (SVC) fraction of morbid obese patients were suggestive of different cell populations growing within OM (but not SC) SVC, as shown by our RT-PCR results (Fig. 2i) and the single-cell RNA sequencing of ref. 35 (Fig. S2d).