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Argos Confirms Improved RNA Amplification Protocol Enhances Quality of Antigen-Specific Immune Response
Date:5/8/2013

DURHAM, N.C., May 8, 2013 /PRNewswire/ -- Argos Therapeutics Inc., a biopharmaceutical company focused on the development and commercialization of fully personalized immunotherapies for the treatment of cancer and infectious diseases using its Arcelis™ technology platform, today announced the publication of key findings on its proprietary RNA amplification process. The study confirms the Company's improved RNA amplification techniques enhance the quality of the resultant antigen-specific immune response.

The study, which was published in the May issue of Molecular Therapy-Nucleic Acids, a companion journal to Molecular Therapy, evaluated the properties of renal cell carcinoma RNA after amplification and following introduction into dendritic cells using newly developed tests. Investigators found that the improved amplification process resulted in superior protein expression levels and a greater capacity of dendritic cells to induce a strong T-cell response.

"The new RNA amplification techniques we have developed further validate Argos Therapeutics' leadership in the field of RNA-containing therapeutics," said Charles Nicolette , Ph.D., Chief Scientific Officer and Vice President of Research and Development of Argos Therapeutics. "With the ADAPT Phase 3 study for AGS-003 well underway, the improved amplification process should help to provoke stronger immune responses in study patients and ultimately lead to positive clinical outcomes."

By tracking specific antigens, researchers were able to demonstrate that the protein antigens were produced inside dendritic cells transfected with the amplified RNA. It was further shown that RNA amplified using the improved process resulted not only in higher levels of antigen expression but also in greater numbers of antigen-specific memory T cell responses. In a completed Phase 2 study with AGS-003, this specific type of immune res
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SOURCE Argos Therapeutics Inc.
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