Abstract：
:The use of artificial tissues in regenerative medicine is limited due to hypoxia. As a strategy to overcome this drawback, we have shown that photosynthetic biomaterials can produce and provide oxygen independently of blood perfusion by generating chimeric animal-plant tissues during dermal regeneration. In this work, we demonstrate the safety and efficacy of photosynthetic biomaterials in vivo after engraftment in a fully immunocompetent mouse skin defect model. Further, we show that it is also possible to genetically engineer such photosynthetic scaffolds to deliver other key molecules in addition to oxygen. As a proof-of-concept, biomaterials were loaded with gene modified microalgae expressing the angiogenic recombinant protein VEGF. Survival of the algae, growth factor delivery and regenerative potential were evaluated in vitro and in vivo. This work proposes the use of photosynthetic gene therapy in regenerative medicine and provides scientific evidence for the use of engineered microalgae as an alternative to deliver recombinant molecules for gene therapy.
journal_name
Biomaterialsjournal_title
Biomaterialsauthors
Chávez MN,Schenck TL,Hopfner U,Centeno-Cerdas C,Somlai-Schweiger I,Schwarz C,Machens HG,Heikenwalder M,Bono MR,Allende ML,Nickelsen J,Egaña JTdoi
10.1016/j.biomaterials.2015.10.014subject
Has Abstractpub_date
2016-01-01 00:00:00pages
25-36eissn
0142-9612issn
1878-5905pii
S0142-9612(15)00818-2journal_volume
75pub_type
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