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Cripto-1 as a Biomarker for Cardiac Ischemia
Description of Technology:
Ischemic heart disease is a major cause of human cardiac morbidity and mortality, affecting over 14 million people in the United States alone. Current detection of cardiac ischemia relies upon identification of electrocardiographic anomalies and the release of cardiac markers from the damaged myocardial tissue. Unfortunately, patients with acute myocardial infarction are often insensitive to these tests during the early phases of intervention and as a result more markers for cardiac ischemic disease are needed.
This technology describes Cripto-1 as a biomarker for infarcted cardiac tissues. Cripto-1 is a member of the epidermal growth factor (EGF)-related proteins and is currently thought to play an important role in several cancers. The present invention shows that Cripto-1 is overexpressed in infarcted myocardial tissue, and not expressed or weakly expressed in non-infarct related heart disease tissues and normal tissues. Furthermore, the overexpression of Cripto-1 correlates with the hypoxia-inducible factor-1-alpha indicating specificity to ischemic heart tissue. The expression of Cripto-1 has also been shown to be highly expressed in stem cells, which may have an important role in the repair of damaged myocardial tissue. Thus, this technology could represent a new biomarker for the diagnosis of myocardial infarction as well as a surrogate biomarker to monitor the healing process including regenerative stem cell activity of the infarcted myocardial tissue.
Applications:
- Diagnostic tool for the detection of myocardial infarction.
- Method to monitor stem cell activity in damaged myocardial tissue.
Development Status:
The technology is currently in the pre-clinical stage of development.
Inventors:
Luigi Strizzi (NCI), Caterina Bianco (NCI), David S. Salomon (NCI)
Patent Status:
DHHS Reference No. E-049-2008/0 --
U.S. Provisional Application No. 61/046,181 filed 18 Apr 2008
Licensing Status:
Available for licensing.
Collaborative Research Opportunity:
The National Cancer Institute Mammary Biology and Tumorigenesis Laboratory is seeking statements of capability or interest from parties interested in collaborative research to further develop, evaluate, or commercialize Cripto-1 as a biomarker for cardiac ischemia. Please contact John D. Hewes, Ph.D. at 301-435-3121 or hewesj@mail.nih.gov for more information.
Portfolio:
Internal Medicine - Diagnostics
For additional information, please contact:
Whitney Hastings
Office of Technology Transfer
National Institutes of Health
6011 Executive Boulevard, Suite 325
Rockville MD 20852
Phone: 301/451-7337
Fax: 301/402-0220
Email: hastingw@mail.nih.gov
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