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Pathway Diagnostics Announces Commercial Availability of SensiTrop(TM) HIV Co-receptor Tropism Assay
Date:9/17/2007

contain as little as 1% CXCR4. "The combination of SensiTrop's high-sensitivity and rapid turn-around-time (less than 7 days) will be extremely valuable to HIV physicians and patients when utilizing co-receptor tropism status to guide the use of Selzentry," said Terry Robins Ph.D., Vice President of Research and Development at Pathway Diagnostics.

About HIV Co-receptor tropism and the SensiTrop(TM) assay

The ability of the HIV virus to infect different cell types utilizing different cell surface receptors is referred to as HIV co-receptor tropism. One type of HIV that utilizes the CCR5 co-receptor has been shown to be blocked by CCR5 antagonist drugs such as Selzentry. A different type of HIV that utilizes the CXCR4 co-receptor is not blocked by CCR5 antagonists. Therefore, determining the tropism status of HIV-infected patients has been indicated by the FDA before initiating CCR5 antagonist therapy.

Pathway's SensiTrop(TM) assay is a molecular hybridization technique based on heteroduplex tracking technology developed by Dr. Barbara Weiser and Dr. Harold Burger's laboratory at the Wadsworth Center, New York State Department of Health, Albany NY. Heteroduplex tracking technology interrogates the complete HIV V3 loop, detecting sequence differences that determine whether the patient's HIV utilizes either the CXCR4 or CCR5 co-receptor. SensiTrop, like other molecular based assays, is highly sensitive and rapid to perform.

About Pathway Diagnostics

Pathway Diagnostics Corporation focuses on the development, validation and commercialization of novel, proprietary biomarker assays across multiple disease areas that address unmet medical needs and improve patient care. The company combines assay development expertise with a broad range of advanced technology platforms, a fully licensed CLIA laboratory, and a growing portfolio of patent-protected biomarkers for pharmaceutical companies to use in drug development and for commercial reference la
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SOURCE Pathway Diagnostics Corporation
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