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Analysis Of Polymorphism In Human Cytomegalovirus (Hcmv) Chemokine, Vcxcl-1, And Its Role In Cellular Activation, Jinho Heo
Doctoral Dissertations
The human cytomegalovirus (HCMV) viral chemokine gene, UL146, shows a high degree of variability in clinical isolates. The UL146-produced viral chemokine, vCXCL-1, has homology to CXC chemokines and is predicted to be an immune modulator that may contribute to the pathogenesis of HCMV infections. In the analysis of clinical isolates from congenitally infected infants, we found 11 distinct vCXCL-1 clades. Although the four cysteine residues that create two disulfide bonds providing the essential structure for CXC chemokines,are conserved, the N-loop region, which is important for receptor binding and activation, was hypervariable. One clade also contained a modified glutamic acid-leucine-arginine (ELR) …