No evidence of pig DNA or retroviral infection in patients with short-term extracorporeal connection to pig kidneys.

Presents research which studied patients exposed to or treated with living porcine cells or tissues for evidence of pig endogenous retrovirus (PERV) infection. Potential value of xenotransplantation; Possible hazards of xenotransplantation; Methods; Findings; Absence of porcine cells in patients studied; No detection of PERV; Applications for research.