Survival of cultured allografts in patients with burns assessed with probe specific for Y chromosome.

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Abstract
The aim of the study was to determine the fate of cultured skin allografts in patients with burns. In situ DNA hybridisation with a Y probe (pHY 2.1) was used to detect cells carrying the Y chromosome (the probe being visualised by the alkaline phosphatase-antialkaline phosphatase method) in biopsy specimens taken from cultured allografts derived from donors of the opposite sex to the recipients (20 patients with burns). Specimens were taken within a week, between one and three weeks, between four and six weeks, and more than six weeks after grafting. Only two of the 27 biopsy specimens contained cells that were the same sex as the donor; both were taken within a week after grafting. In the 25 other specimens the epithelial cells were the same sex as the recipient. Cultured skin allografts showed no evidence of survival in patients with burns, which suggests that they are probably not suitable for long term management of burns but may be useful as short term biological dressings.