A woman with kidney disease has died after receiving an experimental stem cell treatment [...] The woman suffered from lupus nephritis, a disease in which the immune system attacks the kidneys. When medications no longer controlled her disease, she went to a still-unnamed clinic in Bangkok where doctors said they could treat her disease using stem cells drawn from her own bone marrow. [...]
A team of Thai and Canadian researchers performed a postmortem analysis of the kidneys, and found no evidence at all that the treatment had benefited the woman-and they found strange lumps and legions at the sites of injection. Further investigation revealed that the masses were tangled mixtures of blood vessels and bone marrow cells.
Dr Duangpen Thirabanjasak, from Chulalongkorn University, who led the research, said: "This type of lesion has never been described before in patients, and we believe that this is either formed directly by the stem cells that were injected or that the stem cells caused these masses to form."
Danger, Stem Cell Tourists
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