alexa Biomarker signatures of mitochondrial NDUFS3 in invasive breast carcinoma.
Molecular Biology

Molecular Biology

Journal of Cell Science & Therapy

Author(s): Suhane S, Berel D, Ramanujan VK

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Abstract We present evidence for potential biomarker utility of a mitochondrial complex I subunit, (NDUFS3) in discriminating normal and highly invasive breast carcinoma specimens obtained from clinical patients. Besides being a robust indicator of breast cancer aggressiveness, NDUFS3 also shows clear signatures of a hypoxia/necrosis marker in invasive ductal carcinoma specimens. Statistically significant positive correlation was observed between nuclear grade and NDUFS3 expression level in the tumor specimens analyzed. We support these findings with a plausible mechanism involving mitochondrial complex I assembly defects and/or redox buffering induced mitochondrial dysfunction during the process of cancer cell transformation. From a clinical standpoint, this novel observation adds value in augmenting the current receptor-based biomarkers for better accuracy in diagnosis and predicting survival rate in patients with breast carcinoma. Copyright © 2011 Elsevier Inc. All rights reserved.
This article was published in Biochem Biophys Res Commun and referenced in Journal of Cell Science & Therapy

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