Abstract
Definitive treatment for end-stage heart failure is heart transplantation, however, this is associated with several limitations. Aim: We decellularized and assessed ovine hearts through coronary perfusion. To evaluate in situ recellularization, a decellular graft was transplanted hetrotopically into the omental wrap. Results: Cell removal was confirmed by DNA count (11.68 ± 3.42 ng/mg dry weight). Elastic, reticular and collagen fiber were well preserved. There was a slight change in both glycosaminoglycan (7.01 ± 1.36 to 8.37 ± 0.32 μg/mg) and collagen (32.37 ± 2.3 to 36.31 ± 2.1) μg/mg (p > 0.05). Angiography and blood circulation revealed an intact vascular network. Implantation led to proper vascularization. Image J indicated CD31: 23.98 ± 12.3; CD34: 48.67 ± 19.5 and αSMA: 78.33 ± 27.8 inch/cm. Conclusion: Bio-scaffold of human size heart is achievable for future steps employing this technique.
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