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Research Paper
Contribution of Subcutaneous Connective Tissues to the Epithelialization and Cyst Formation by the Skin Transplanted Subcutaneously
Hajime Sawada, Sheng Hong-Ming, Yoji Hakamata, Michiyo Esaki, Asami Kita, Toyokazu Yoshida and Eiji Kobayashi
volume 1 | issue 2
oct/nov/dec 2004Pages: 55 - 59
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Skins and hollow organs have been shown to form epithelialized cysts when transplanted into subcutaneous tissue of a recipient animal, expanding their surface areas. This system seems to offer a good potential for regenerating organs. We investigated the functional and structural contribution of epithelia and connective tissue compartments in this regeneration system with two experimental systems.
Dispase-separated epidermis often forms epithelialized cysts when combined with dermal connective tissue whereas dispase-separated epidermis alone does not form cysts or epithelialize, indicating the functional importance of the dermal connective tissue in the regeneration process.
When GFP rats were used as donors for the skin, the donor-derived tissue was composed of whole epidermis and parts of the connective tissue cells and blood vessels under the newly epithelialized portion of the cyst wall. Small capillaries of granulation tissues were shown to be of recipient origin, but some large vessels were of donor origin. These results showed the significant functional and structural contribution of dermal connective tissue in the regeneration of the skin in subdermal transplant.
We now provide open access to journal articles published online for one year or more. This article may be downloaded at the following link:
Download PDF If the document does not open, please right-click on the link (control-click on a Macintosh) and select the option to save the file to disk.