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- W3112210889 abstract "Abstract Soft tissue regeneration remains a challenge in reconstructive surgery. Current autologous fat implantations lead to high fat absorption ratios, while artificial implants can be associated with lymphoma occurrence. To overcome these limitations, our aim was to reproduce adipose tissue vasculature structure before implantation. Here, we developed injectable prevascularized adipose tissues (iPAT), using physiological collagen microfibers (CMF) mixed with human mature adipocytes, adipose-derived stem cells (ADSC) and human umbilical vein endothelial cells (HUVEC). Following murine subcutaneous implantation, higher cell survival (84±6% viability) and volume maintenance were shown after 3 months for the iPAT (up to twice heavier than the non-prevascularized balls). This higher survival can be explained by the greater amount of blood vessels (up to 1.6 folds increase), with balanced host anastomosis (51±1% of human/mouse lumens), also involving infiltration by the lymphatic and neural vasculature networks. These iPAT tissues allowed non-invasive soft tissue reconstruction for long-term outcomes, and the ability to cryopreserve them with maintained viability and functionality also enables a later reinjection usually required before reaching the final patient desired graft volume." @default.
- W3112210889 created "2020-12-21" @default.
- W3112210889 creator A5000990925 @default.
- W3112210889 creator A5023562460 @default.
- W3112210889 creator A5024134678 @default.
- W3112210889 creator A5083808261 @default.
- W3112210889 creator A5086815325 @default.
- W3112210889 creator A5090624750 @default.
- W3112210889 date "2020-12-09" @default.
- W3112210889 modified "2023-10-04" @default.
- W3112210889 title "Injectable prevascularized mature adipose tissues (iPAT) to achieve long-term survival in soft tissues regeneration" @default.
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