Abstract
Many pathological conditions are characterized by a deficiency of metabolic energy. A prominent example is nonhealing or difficult-to-heal chronic wounds. Because of their unique ability to serve as a source of metabolic energy, inorganic polyphosphates (polyP) offer the opportunity to develop novel strategies to treat such wounds. The basis is the generation of ATP from the polymer through the joint action of two extracellular or plasma membrane-bound enzymes alkaline phosphatase and adenylate kinase, which enable the transfer of energy-rich phosphate from polyP to AMP with the formation of ADP and finally ATP. Building on these findings, it was possible to develop novel regeneratively active materials for wound therapy, which have already been successfully evaluated in first studies on patients.
Xiaohong Wang and Hadrian Schepler contributed equally to this work.
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Acknowledgments
W.E.G.M. is a holder of an ERC Advanced Investigator Grant (No. 268476). In addition, W.E.G.M. obtained three ERC-PoC grants (Si-Bone-PoC, No. 324564; MorphoVES-PoC, No. 662486; and ArthroDUR, No. 767234). We also acknowledge funding from the European Commission (grants BIO-SCAFFOLDS No. 604036 and BlueGenics No. 311848). Finally, this work was supported by a grant from the Federal Minister of Education and Research (No. 13GW0403B) and the BiomaTiCS research initiative of the University Medical Center, Mainz.
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Wang, X., Schepler, H., Neufurth, M., Wang, S., Schröder, H.C., Müller, W.E.G. (2022). Polyphosphate in Chronic Wound Healing: Restoration of Impaired Metabolic Energy State. In: Müller, W.E.G., Schröder, H.C., Suess, P., Wang, X. (eds) Inorganic Polyphosphates. Progress in Molecular and Subcellular Biology, vol 61. Springer, Cham. https://doi.org/10.1007/978-3-031-01237-2_4
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