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首頁 > 美迪醫(yī)訊 > 通過實時PCR技術(shù)可進(jìn)行完全自動化的HIV-1檢測 |
通過實時PCR技術(shù)可進(jìn)行完全自動化的HIV-1檢測 【?2007-06-07 發(fā)布?】 美迪醫(yī)訊
蚊子在世界各地不同的地區(qū)肆虐,所以用來檢測蚊子-傳播疾病的診斷試劑盒的需求量越來越大。 加拿大埃德蒙頓國際醫(yī)學(xué)服務(wù)公司診斷試劑部門正開發(fā)新型的檢測傳染疾病的方法,這種方法具有成本低、簡單、快速的特點。該公司所開發(fā)的VScan快速檢測試劑盒可檢測HIV1和HIV2、乙肝和丙肝、結(jié)核、登革熱以及西尼羅河病毒。該公司正與健康醫(yī)療部門磋商以使這些檢測項目推向國際市場。最近,診斷部門已經(jīng)擴(kuò)展了其在性傳播疾病(STDs)方面以及檢測腫瘤方面的項目。STD試劑盒主要是針對梅毒,而腫瘤診斷試劑主要是針對前列腺癌。其它的檢測試劑盒正處在開發(fā)階段。 現(xiàn)今,VScan快速人類免疫缺陷病毒(HIV)診斷試劑盒已經(jīng)在東南亞和中美洲國家得到了認(rèn)可。無論如何,VScanHIV1和2型病毒診斷試劑盒已經(jīng)在代表世界40%人口的國家和地區(qū)間銷售。 根據(jù)流行病學(xué)調(diào)查,該公司將提供超過800,000個診斷蚊蟲傳染疾病的試劑盒。 來源:medinews.com Fully-Automated HIV-1 Test Uses Real Time PCR Technology A new test for human immunodeficiency virus (HIV)-1 quantifies the amount of virus in the blood from very high to very low levels. The test is a fully automated HIV-1 diagnostic tool using real-time polymerase chain reaction (PCR) technology. It provides a broader range of viral load data than earlier generation tests and enables labs to deliver highly accurate results faster. Called the Cobas AmpliPrep/Cobas TaqMan HIV-1 and developed by Roche (Basel, Switzerland), the test has been approved for use in the United States by U.S. Food & Drug Administration (FDA). The new test can be used to assess patient prognosis by measuring the baseline HIV-1 RNA level or to monitor the effects of antiretroviral therapy during the treatment course. One key goal of therapy is a viral load below the limits of detection of approved molecular diagnostic tests. Analysis of 18 trials with over 5,000 participants with viral load monitoring had shown a significant association between a decrease in plasma viremia and improved clinical outcome. The test is designed for use on an automated platform that combines the Cobas AmpliPrep instrument for automated sample preparation and the Cobas TaqMan analyzer or smaller Cobas TaqMan 48 analyzer for automated real-time PCR amplification and detection. Configuration options also include docked instruments for "sample in/results out" testing that eliminates manual intervention between steps. The combined instrument platform fully automates the sample preparation and real-time PCR amplification and detection process for improved workflow efficiency, hands-off processing, and test results integrity. The test is intended for use in conjunction with clinical presentation and other laboratory markers of disease progress for the clinical management of HIV-1-infected patients. It can be used to assess patient prognosis by measuring the baseline HIV-1 RNA level or to monitor the effects of antiretroviral therapy by measuring changes in EDTA plasma HIV-1 RNA levels during the course of antiretroviral treatment. Related Links: Roche 本文關(guān)鍵字:
時PCR技術(shù) 自動化的HIV-1檢測
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