Synthetic vaccine and Immunogenic Fusion Proteins for pneumococcal infections, and uses (SJ-05-0036, SJ-10-0028, SJ-13-0032)




Technology Name
(St. Jude Reference #)
Synthetic vaccine and Immunogenic Fusion Proteins for pneumococcal infections (SJ-05-0036, SJ-10-0028, SJ-13-0032)
Description A vaccine comprising synthetically linked domains of choline binding protein A (CbpA) from Streptococcus pneumonia, and a new type of pneumococcus vaccine component in which a T-cell epitope (e.g. Pneulmolysin toxoid) is fused to immunogenic fragments of choline binding protein A (CbpA). This new fused vaccine component provides an easier, less costly and more efficient way to elicit an immune response to both the T-cell epitope and CbpA as compared to a mixture of separate antigens. The CbpA fragment used preferably comprises synthetically linked domains of CbpA. The CbpA peptide-pneumolysoid fusion construct is a viable broadly protective pneumococcal vaccine that potentially adds protection against other meningeal pathogens; and may be useful for treating or preventing infections such as sepsis, meningitis, and pneumonia. Also, SJ-13-0032, “YLN for Cardiac Indication,” involves using these vaccine components to avoid adverse cardiac events caused by pneumonia infections (This is co-owned with Univ. of Texas Health Science Center.)
Keywords Synthetic vaccine, Immunogenic Fusion Protein, choline binding protein, CbpA, Streptococcus pneumonia, pneumococcal infections, sepsis, meningitis, pneumonia, cardiac, YLN
Granted Patents or Published Applications CbpA fragment (SJ-05-0036) issued May 13, 2014 as U.S. Patent No. 8,722,055; additional U.S. Appln. pending. CbpA peptide-pneumolysoid fusion construct (SJ-10-0028) pending in the U.S. and published as U.S. Pub. No. 2014/0023674.
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Last update: January 2014