dengue virus WHO: 50 - 100 million cases/yr
Acknowledgements Sharon Isern, PhD Yancey Hrobowski, PhD Joshua Costin, PhD Kelli Barr, PhD Krystal Fontaine Craig Rees Cindo Nicholson Robert Garry, PhD - Tulane University Ram Samudrala, PhD - University of Washington Tom Monath, PhD - Acambis Michael Holbrook, PhD - UTX, Galveston Elizabeth Hunsperger, PhD - CDC, San Juan ONR /DTRA /US Army / NIH
Kaufmann, et al. PNAS 103:12400-12404 (2006)
Zhang, et al. Nature Structural Biology 10:907 (2003)
Development of novel virus entry inhibitors host cell inhibitor entry blocked
HOW DO YOU DEVELOP A VIRAL INHIBITOR?
Dengue Plaque Assay control control peptide 57IIb peptide 80FP peptide 81IIb peptide 59PA
DON’T GET FOOLED!
No Toxicity in MTT Assay
Effect of Scrambled Amino Acid Order
Effect of dengue inhibitory peptides on Sindbis virus infectivity
DENV-2 MAILGDTAWDFGSLGGVFTSIGKALHQVFGAIY DENV-1 -------------I------V--LI--I--TA- DENV-3 -------------V---LN-L--MV--I--SA- DENV-4 -----E-------V---L--L---V-----SV- WNV L-A----------V----------V-----GAF YFV L-VM--V----S-A--F------GI-T---SAF SLEV L-V----------I------I---------GAF JEV L-A----------I----N-I---V-----GAF RSSEV LTVI-EH------T--FL--------T-L-GAF CEEV LTVI-EH------A--FLS-I-----T-L-GAF
HOW DO THESE THINGS WORK?
Next Steps?