Researchers uncover new genetic clues to why most bone marrow transplant patients develop graft-versus-host disease


Researchers found that if a patient and donor have different SNPs, the patient was at increased risk of GVHD or a lower chance of disease-free survival. The scientists surmised that genes located near these SNPs must be involved in that process.
“The question I wanted to ask with this study is whether there could be genes we don’t know about that are located close to the major histocompatibility complex that could be influencing GVHD risk,” said Petersdorf, a member of the Hutchinson Center’s Clinical Research Division. “Now that we know what to test for we can begin screening for the presence of the SNPs in patients and donors and select the optimal donor whose SNP profile will benefit the patient the most.”


Researchers uncover new genetic clues to why most bone marrow transplant patients develop graft-versus-host disease

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