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Comparative Studies on the Aggregation Behavior of HBPs from Human Seminal Plasma by Dynamic Light Scattering

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Heparin binding proteins (HBPs) from human seminal plasma (HSP) were obtained by heparin affinity and size exclusion chromatography. The aggregation/disaggregation of HBPs was followed by dynamic light scattering (DLS) in presence of various physiological ligands such as CaCl2, NaCl, EDTA, cholesterol, adenosine, D-glucose and D-fructose. The aggregation pattern of lactoferrin was also analyzed and compared. The study of interactions of HBPs of HSP may contribute to an understanding mechanisms underlying the fertilization process.

Keywords: HBPs; HSP; Protein-protein aggregation; chromatography; dynamic light scattering; sperm capacitation

Document Type: Research Article


Publication date: July 1, 2008

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  • Protein & Peptide Letters publishes short papers in all important aspects of protein and peptide research, including structural studies, recombinant expression, function, synthesis, enzymology, immunology, molecular modeling, drug design etc. Manuscripts must have a significant element of novelty, timeliness and urgency that merit rapid publication. Reports of crystallisation, and preliminary structure determinations of biologically important proteins are acceptable. Purely theoretical papers are also acceptable provided they provide new insight into the principles of protein/peptide structure and function.

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