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Cardiac Biomarker ST2 Proves Far Superior To Galectin-3 In A Head-to-Head Study

Critical Diagnostics recently announced that the study, “Head-to-head comparison of two myocardial fibrosis biomarkers for long-term heart failure risk stratification: ST2 vs. Galectin-3”, recently published online in JACC (the Journal of the American College of Cardiology) comparing the company’s novel cardiac biomarker ST2 to Galectin-3 (Gal-3), a biomarker from BG Medicine (NASDAQ: BGMD), found ST2 to be superior.

Test Could Identify Which Prostate Cancers Require Treatment

The level of expression of three genes associated with aging can be used to predict whether seemingly low-risk prostate cancer will remain slow-growing, according to researchers at the Herbert Irving Comprehensive Cancer Center at Columbia University Medical Center. Use of this three-gene biomarker, in conjunction with existing cancer-staging tests, could help physicians better determine which men with early prostate cancer can be safely followed with “active surveillance” and spared the risks of prostate removal or other invasive treatment. The findings were published recently in the online edition of Science Translational Medicine.

Gene-expression-based Biomarker Predicts Long-term Risk of Breast Cancer Recurrence

A comparison of three methods of predicting the risk of recurrence in women treated for estrogen-receptor (ER)-positive breast cancer finds that only the breast cancer index (BCI) – a biomarker based on the expression levels of seven tumor-specific genes – accurately identifies patients who continue to be at risk after five years of treatment with either tamoxifen or the aromatase inhibitor anastrozole. The study comparing the BCI with two other prognostic tests has been published online in Lancet Oncology.

Florida Hospital Collaborates with VTT of Finland to Explore Research for Early Detection of Alzheimer’s Disease

Scientists from VTT and the University of Eastern Finland recently teamed up to discover a serum biochemical signature which predicts progression to Alzheimer’s disease. From this, VTT was able to develop a biomarker assay. Florida Hospital and VTT have since come together to evaluate screening, diagnostic and prognostic potential of the biomarker essay.

Study Published Showing Advantages of the PAM50 Gene Signature, the Basis for Prosigna, in Helping to Estimate Risk of Late Distant Recurrence in Postmenopausal Estrogen Receptor Positive Breast Cancer Patients

NanoString Technologies, Inc., (NASDAQ: NSTG) a provider of life science tools for translational research and molecular diagnostic products, recently announced that a study published online in the Journal of the National Cancer Institute demonstrated that the PAM50 gene signature, which is the basis for the Prosigna™ Breast Cancer Prognostic Gene Signature Assay, provides important information to help estimate the risk of late distant recurrence in postmenopausal women with estrogen receptor positive (ER+) early-stage breast cancer. After comparing the PAM50 gene signature, the Oncotype DX® Breast Cancer Assay and the IHC4 score, the authors concluded that the PAM50 gene signature provided the strongest prognostic information regarding risk of distant recurrence five to 10 years following diagnosis in postmenopausal ER+ early-stage breast cancer patients treated with five years of endocrine therapy.