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MiRNA可配合改善癌癥診斷項目 【?2007-06-08 發布?】 美迪醫訊
一種癌癥診斷試劑,已處于研發的最后階段,這種試劑可以輔助醫生確定已轉移到全身腫瘤的最初來源。 醫生必須確定轉移腫瘤的最初來源,以為病人設計最有效且效率最高的治療方法,那些來源不明的腫瘤是那些腫瘤細胞類型不明確或診斷結果模棱兩可的案例。由此造成醫生難以制定合適的治療方法。這些診斷不明的病例占到新發腫瘤的3-5%,并成為第四大最常見的腫瘤。 美國Rosetta Genomics,是一家小RNA(microRNA)公司,已經與哥倫比亞大學簽約共同研發先進的腫瘤診斷試劑。按照合同,哥倫比亞大學醫學中心將利用其臨床實驗室改進修訂案(CLIA)認可的實驗室作為Rosetta Genomics的實踐基地,以檢測該公司診斷試劑對那些來源不明腫瘤確定的可能性。Rosetta Genomic公司正研發多種基于microRNA的診斷試劑。 根據合同,Rosetta Genomics將提供其診斷轉移惡性腫瘤最初來源的實驗方法步驟,由醫學中心提供樣本(雙盲法)檢測方法學上的可行性。 MicroRNAs( miRNAs)作為蛋白調節子并可作為診斷和治療方法的基礎。因為很多疾病是由活性不正常蛋白質造成的,miRNAs具有選擇性調節蛋白質活性的能力,基于這個原理,可治療廣泛的疾病。除外,miRNA表達水平經證明與多種疾病狀態有關,并可作為診斷與預后的標志物。 來源:medinews.com A MiRNA Company To Advance Cancer Diagnostics Program A cancer diagnostic agent, currently in the final stages of development, has been designed to assist clinicians in identifying the origin of tumors that have metastasized throughout the body. Clinicians need a definitive diagnosis of the site of origin of cancer metastases in order to effectively and efficiently administer optimal therapies for patients. Cancer of unknown primary (CUP) refers to a cancer where the type of the cancerous cells is not readily identified, or a diagnosis of origin is equivocal. This, in turn, makes it difficult for clinicians to administer the appropriate treatment. CUP constitutes 3-5% of new cancer cases, and ranks as the fourth most common cancer. Rosetta Genomics (North Brunswick, NJ, USA), a microRNA company, has signed an agreement with Columbia University Medical Center to advance its lead cancer diagnostic. Under the terms of the agreement, Columbia University Medical Center (New York, NY, USA) will utilize its Clinical Laboratory Improvement Amendments (CLIA)-certified laboratory to perform clinical validation of the company’s lead diagnostics program for Cancer of Unknown Primary (CUP). Rosetta Genomic is developing several microRNA-based diagnostics at its R&D facilities in Israel and the United States. Under the terms of the agreement, Rosetta Genomics will provide Columbia University Medical Center with its proprietary protocol for diagnosing the primary origin of metastatic cancers, which will then be tested and validated using unknown (blinded) samples provided by the medical center. MicroRNAs (miRNAs) act as protein regulators and have the potential to form the basis for a new class of diagnostics and therapeutics. Since many diseases are caused by the abnormal activity of proteins, the ability to selectively regulate protein activity through miRNAs could provide the means to treat a wide range of human diseases. In addition, miRNA expression levels have been shown to be correlated with various disease states and to hold significant potential as diagnostic and prognostic markers Related Links: Rosetta Genomics Columbia University Medical Center 《美迪醫訊》歡迎您參與新聞投稿,業務咨詢: 美迪醫療網業務咨詢
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