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Structural Variants of a Liver Fluke Derived Granulin Peptide Potently Stimulate Wound Healing. | LitMetric

Structural Variants of a Liver Fluke Derived Granulin Peptide Potently Stimulate Wound Healing.

J Med Chem

Centre for Biodiscovery and Molecular Development of Therapeutics, Australian Institute of Tropical Health and Medicine , James Cook University, Cairns , QLD 4870 , Australia.

Published: October 2018

AI Article Synopsis

Article Abstract

Granulins are a family of growth factors involved in cell proliferation. The liver-fluke granulin, Ov-GRN-1, isolated from a carcinogenic liver fluke Opisthorchis viverrini, can significantly accelerate wound repair in vivo and in vitro. However, it is difficult to express Ov-GRN-1 in recombinant form at high yield, impeding its utility as a drug lead. Previously we reported that a truncated analogue ( Ov-GRN) promotes healing of cutaneous wounds in mice. NMR analysis of this analogue indicates the presence of multiple conformations, most likely as a result of proline cis/ trans isomerization. To further investigate whether the proline residues are involved in adopting the multiple confirmations, we have synthesized analogues involving mutation of the proline residues. We have shown that the proline residues have a significant influence on the structure, activity, and folding of Ov-GRN. These results provide insight into improving the oxidative folding yield and bioactivity of Ov-GRN and might facilitate the development of a novel wound healing agent.

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Source
http://dx.doi.org/10.1021/acs.jmedchem.8b00898DOI Listing

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