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Patient cervical fat demonstrates a decreased number of vessels as compared with fat from control subjects. A: Tissue sections were probed using antibodies directed against CD34, a marker of endothelial cells. Magnification, ×20. B: Quantification of α-SMA (a marker of the media layer of arteries) and CD34-stained surfaces in samples from control subjects and from patients with LMNA mutations (blue), HIV infection (green), or mtDNA mutations (pink).
