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Follow on Google News | RayBiotech Announces Biomarker Grant AwardeesRayBiotech announced the recipients of its Biomarker Discovery Grants. By sponsoring these awards, RayBiotech intends to demonstrate that any researcher with a modest research budget can discover disease-related biomarkers using its antibody arrays.
By: RayBiotech, Inc. In announcing the award winners, Dr. Huang noted, “We could not have been happier with the response to our grant program. The number and quality of the entries was very high, and the review process was even more selective than most NIH grant competitions.” “The awardees,” explained Dr. Huang, “best presented a clear research plan that set optimistic yet reachable goals, which we felt demonstrated not only significant scientific potential in future biomarker discovery but also aligned with RayBiotech's pioneering vision.” Biomarkers are defined as any measurable differences in physiology that can be correlated with a human disease. Molecular biomarkers include specific genes, metabolites or proteins. Although significant resources have been used to find genetic biomarkers, protein biomarkers are considered to be more desirable for several reasons. First, discovery of genetic biomarkers by genetic linkage can be extremely difficult. For example, compared to similar screens for protein biomarkers, genome-wide association studies, commonly used to find genes correlated with a disease, require many more samples and more complex mathematical analysis. Second, changes in protein expression more accurately reflect the immediate physiologic status of the patient than do changes in gene expression. Furthermore, the biological activities of protein markers may be affected by biochemical modifications or the presence of auto-antibodies that bind to them. In fact, the presence of these modifiers, which are independent of gene or protein expression levels, may be biomarkers in and of themselves. The search for biomarkers has become a top priority in biomedical and clinical research, as they could potentially be used for disease screening, diagnosis and prognosis or even for choosing personalized treatment regimens for patients. Biomarkers can also suggest new drug targets, elucidate the mechanisms of drug actions or help in selecting suitable participants for clinical trials. The use of RayBiotech’s antibody arrays for protein biomarker discovery was well-illustrated in a publication that appeared in the November 2007 issue of Nature Medicine. The authors, Sandip Ray et al., used the RayBio® Human Cytokine Antibody Array 1000 to detect 120 different proteins in the blood of Alzheimer’s patients and compared the expression patterns to both normal individuals and patients with other types of dementia. Analysis of the results revealed a panel of 18 proteins found in the blood that could successfully differentiate Alzheimer’s patients with greater than 90% accuracy. Moreover, the authors demonstrated that the same biomarker panel could potentially be used for early detection of Alzheimer’s, years earlier than existing diagnostic methods. Currently, most biomarker discovery projects employ methods of biochemical separation, such as mass spectrometry or 2D gel electrophoresis, to identify potential protein biomarkers. “While effective at discovering novel protein biomarkers, the traditional methods of biomarker discovery are beyond the reach of most researchers,” After identification of potential biomarkers in a small number of samples in the discovery phase, subsequent studies usually employ antibody-based detection to validate biomarker candidates in a larger population. In most cases, suitable antibodies to novel proteins must be generated, a process that is neither trivial nor its success guaranteed. Dr. Huang advocates that antibody-based methods of biomarker discovery could accelerate this process tremendously: discovery phase to validation.” “Collectively, our antibody array, protein array, ELISA and EIA product offerings comprise a versatile and comprehensive toolbox for both antibody-based biomarker discovery and validation,” A complete list of awardees of RayBiotech’s 2010 Biomarker Discovery Pilot Grants is presented below: Steven J. Ackerman, PhD, of the University of Illinois at Chicago, College of Medicine (USA). Biomarkers of Eosinophilic Esophagitis Resulting from Food Allergies Zhe-Sheng (Jason) Chen, MD, PhD, of St. John’s University, New York, NY (USA). Biomarkers of Endometrial Cancer. Mei-Zhen Cui, PhD, of the University of Tennessee College of Veterinary Medicine, Knoxville (USA). Biomarkers of Ischemic Stroke Doug Feinstein, PhD, of the University of Illinois at Chicago (USA). Biomarkers of Multiple Sclerosis Pietro Ghezzi, PhD, of the Brighton & Sussex Medical School, Falmer (UK). Detection of Glutathione- Annette Thomas Hastie, PhD, of Wake Forest University, Winston-Salem, North Carolina (USA). Biomarkers Linking Obesity and Asthma Matthew J. Huentelman, PhD, of the Translational Genomics Research Institute, Phoenix, Arizona (USA). Biomarkers of Autism Hideaki Ijichi MD, PhD, of the University of Tokyo, Graduate School of Medicine (Japan). Biomarkers of Pancreatic Cancer Carrie Kitko, MD, of the University of Michigan, Ann Arbor (USA). Biomarkers of Graft Versus Host Disease in Blood/Marrow Transplant Patients Oi Lian Kon, MD, of the National Cancer Centre (Singapore). Biomarkers of Gastric Cancer Miloslav Kverka, MD, of the Academy of Sciences of the Czech Republic, Charles University, Prague (Czech Republic). Biomarkers of Inflammatory Bowel Disease Bruce McManus, MD, PhD, of the University of British Columbia - St. Paul's Hospital, Vancouver (Canada). Biomarkers of Acute Heart Failure Joanna Pera, MD, PhD, of the Jagiellonian University Medical College, Krakow (Poland). Biomarkers of Primary Intracerebral Hemorrhage (PICH, a type of hemorragic stroke) Olga Vitek, PhD, of Purdue University, West Lafayette, Indiana (USA). Statistical validation of RayBiotech’s G-Series Arrays for Biomarker Discovery (specifically for Cardiovascular Disease); Development of an Open-source Statistical Software for Analysis of Antibody Array Data Gary Guishan Xiao, PhD, of Creighton University, Omaha, Nebraska (USA). Biomarkers of Osteoporosis Weimin Yang, PhD, of the 1st Affiliated Hospital of Sun Yat-Sen University, Guangzhou (P.R. China). Biomarkers of Polycystic Ovarian Syndrome Gee Wan (Oscar) Wong, PhD, of The University of Hong Kong (Hong Kong). Adipokine Biomarkers of Endometrial Cancer Jian (Joyce) Wu, of the 3rd Affiliated Hospital of Sun Yat-Sen University, Guangzhou (P.R. China). Biomarkers Correlating Diabetes Type II and Periodontal Disease # # # About RayBiotech: RayBiotech, Inc., introduced the first commercially available cytokine antibody array in 2001. Since then, RayBiotech's array products have been featured in hundreds of publications, including some in top-tier journals: Nature, Nature Medicine, Cell, Lancet, PNAS (USA), and many others. Offering more antibody array choices than any of its competitors, RayBiotech continues to lead in the development of protein array technologies. A spin-off from Emory University’s School of Medicine, RayBiotech is privately owned, with headquarters in metropolitan Atlanta (Norcross, GA). End
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