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  • Title: A novel tissue engineering-based assay for immunological infertility.
    Author: Ahangari G, Naderimanesh H, Hossein-Nezhad A, Zouali M.
    Journal: Scand J Immunol; 2008 Oct; 68(4):463-8. PubMed ID: 18782277.
    Abstract:
    Antisperm antibodies (ASA) are present in 9-36% of infertile couples, a condition called immunological infertility. The variability of ASA in terms of antigenic specificity and biological effects has made it difficult to design a test able to distinguish reliably between ASA that contribute to infertility and those that do not. To develop a reliable and reproducible method able to detect sperm antibodies, we took advantage of recent progress made in tissue engineering techniques. We used collagen gel as a bio-scaffold for the production of engineered sperm analogues. The advantages of using collagen gels include biocompatibility, ease of fabrication and low cost. We found that this tissue engineering-based assay is more specific and more sensitive than a conventional test routinely used for ASA detection. In addition, it exhibited low intra- and inter-variations. We envision the use of this novel approach for the detection of a variety of autoantibodies in autoimmune diseases. In addition to diagnostic purposes, tissue-engineering based tests could be useful in monitoring treatments with bio-drugs.
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