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Novel Peptides For Treating HIV
Yeda R&D Co. Ltd Israel flag Israel
Abstract ID: 1618
Fusion inhibitor lipopeptides for prevention of HIV entry to cells.Acquired immunodeficiency syndrome (AIDS) and its causative agent, human immunodeficiency virus (HIV), are a major global health problem. As of 2008, approximately 33.4 million people......
Contact Galit Mazooz, ph.d.
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A novel method is disclosed here for boosting the immune response, useful not only for the treatment of microbial and chronic viral infections, but also for activating the immune system against cancer cells. TLR-4 is a central player in the innate immune system as it specifically recognizes lipopolysaccharide (LPS), the major cell wall component of Gram-negative bacteria, and activates the immune system. Newly developed peptides derived from the N-terminus of a TLR-4 trans-membrane domain are capable of activating TLR-4 mediated immune response, thus useful both as stand-alone treatments and as vaccine adjuvants, increasing the immunogenicity of an antigen in a vaccine.

The technology is based on the discovery that peptides derived from the N-terminus of a TLR-4 TM domain or their analogues are capable of activating TLR-4 mediated immune response. These peptides activate TLR-4 receptor, possibly by dimerizing within the cell membrane and stabilizing the TLR-4 dimer. Through TLR-4 activation, these peptides activate macrophages to secrete TNF-alpha, thereby stimulating the immune system. In addition, the ability of these peptides to modulate the immune system's innate response renders them useful as vaccine adjuvants, increasing the immunogenicity of an antigen in a vaccine.

Conclusion

Taken together, the newly developed peptides are useful for the treatment and prevention of a large variety of infections, such as microbial (e.g. Salmonella, Escherichia, Pseudomonas), viral (including HIV, Hepatitis and Influenza) and fungal infections. Further, they are useful in the treatment and prevention of a wide variety of cancers.

Relevance/Opportunity

Please enquire quoting reference 1618 regarding licensing or codevelopment partnerships.
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FEATURED
Last Updated May 2016
Technology Type THERAPEUTIC
Phase of Development EARLY STAGE
CORPORATION