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Polyhydroxyalkanoates Applications in Antimicrobial Agents Delivery and Wound Healing

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Biotechnological Applications of Polyhydroxyalkanoates

Abstract

Bacterial infections constitute a significant and increasing problem in healthcare originated from both bacterial colonization and biofilm development in biomaterials, a prelude to the onset of systemic infection and consequently the dysfunction of implanted devices. In addition, a serious issue is the growing incidence of multi-drug resistant bacteria, which cannot be killed using multiple antibiotics, coined by the term “superbugs”. Enormous efforts have focused on developing drugs which, at one hand, exhibit as characteristics great effectiveness and at the other hand, make the evolutionary resistant bacteria susceptible to them. The development of novel, more potent antibiotics able to overcome this acquired resistance remains until now, a provocation for the scientific world because novel modes of antibacterial activity are necessary. Biopolymeric antimicrobials have appeared as a hopeful nominee for investigation and evolution in the field of antibacterial therapy. Poly([R]-3-hydroxyalkanoates) (PHAs), the wide family of the naturally-synthesizing bacterial bio-polyesters, constitute one of the principal nominees, which dominates in prospective for utilization in the field of biomedical applications. They constitute a large class of biodegradable biopolymers that exhibit biocompatibility obtaining minimal tissue toxicity. Exploiting these properties, PHAs has been used as a matrix to construct slow-release formulations of antibiotic delivery, providing them antimicrobial, antifungal, anti-biofilm, anti-inflammatory and virucidal properties dependent on the conjugated/enclosed therapeutic agent. Moreover, the antimicrobial activity that PHAs themselves, or their derivatives have been reported to exhibit should not be ignored. Wound healing is a novel medical area where PHAs are also extended based on the same principle of the drug delivery for rapid tissue regeneration. This review covers all this collective information.

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Correspondence to Anastasia A. Pantazaki .

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© 2019 Springer Nature Singapore Pte Ltd.

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Giourieva, V.S., Papi, R.M., Pantazaki, A.A. (2019). Polyhydroxyalkanoates Applications in Antimicrobial Agents Delivery and Wound Healing. In: Kalia, V. (eds) Biotechnological Applications of Polyhydroxyalkanoates. Springer, Singapore. https://doi.org/10.1007/978-981-13-3759-8_4

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