Succinate dehydrogenase B (SDHB) is differentially expressed in brain metastatic breast cancer.
Keyword(s):
One study has reported a 34% incidence of central nervous system metastases, including metastasis to the brain, in breast cancer patients treated with trastuzumab (1). We mined published microarray data (2, 3) to discover genes associated with brain metastasis in breast cancer. We identified significant differential expression of the mitochondrial complex II subunit succinate dehydrogenase B, encoded by SDHB (4, 5), in the brain metastases of patients with metastatic breast cancer. SDHB may be relevant to the biology underlying colonization of the brain with metastatic breast cancer clones.
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