ArticleArtificial organs2022
A tissue-engineered, decellularized, connective tissue membrane for allogeneic arterial patch implantation.
Article in Artificial organs, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed, 2 citations in OpenAlex.
- Artificial blood vessels-clinical development of TEVG.Journal of artificial organs : the official journal of the Japanese Society for Artificial Organs · 2025Review
- A tissue-engineered, decellularized, connective tissue membrane for allogeneic arterial patch implantation.Artificial organs · 2022Article
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Authors and funding
9 authors at 2 institutions in 1 country.
Funding
Abstract
backgroundWe have previously applied in vivo tissue-engineered vascular grafts constructed in patients' subcutaneous spaces. However, since the formation of these vascular grafts depends on host health, their application is challenging in patients with suppressed regenerative ability. Therefore, the allogeneic implantation of grafts from healthy donors needs to be evaluated. This study aimed to fabricate allogeneic cardiovascular grafts in animals. MATERIALS AND
methodsSilicone rod molds were implanted into subcutaneous pouches in dogs; the implants, along with surrounding connective tissues, were harvested after four weeks. Tubular connective tissues were decellularized and stored before they were cut open, trimmed to elliptical sheets, and implanted into the common carotid arteries of another dog as vascular patches (n = 6); these were resected and histologically evaluated at 1, 2, and 4 weeks after implantation.
resultsNo aneurysmal changes were observed by echocardiography. Histologically, we observed neointima formation on the luminal graft surface and graft wall cell infiltration. At 2 and 4 weeks after implantation, α-SMA-positive cells were observed in the neointima and graft wall. At 4 weeks after implantation, the endothelial lining was observed at the grafts' luminal surfaces.
conclusionOur data suggest that decellularized connective tissue membranes can be prepared and stored for later use as allogeneic cardiovascular grafts.
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