PMID: 2493650Mar 1, 1989Paper

Characterization of implants from Dupuytren's contracture tissue into the nude (athymic) mouse

Proceedings of the Society for Experimental Biology and Medicine
C W KischerC L Shetlar

Abstract

Dupuytren's contracture tissues were obtained from six patients as excess surgical material. Pieces of these tissues (a total of 38 implants) were placed into subcutaneous pockets in the suprascapular area of nude (athymic) mice. The objective was to determine whether the implant tissues would be maintained in the mouse with the characteristics of Dupuytren's tissue. The implants were removed for study at 14-179 days after implantation. Microvascular anastomosis between implant and host skin was established within the first 14 days. Histologic character and electron microscopic structure of the implants did not change during the course of the study. The implants became reduced in size with time. However, neither the spatial pattern of collagen nor the appearance of fibroblast cells changed. The original high levels of chondroitin-4-sulfate were significantly decreased in the 66- to 179-day postimplantation group, but were not significantly different from the values for normal fascial bands. The hyaluronic acid of the implants increased significantly with time of implantation, but never reached the level found in the normal fascial bands. The use of implants into nude mice may be useful for further experimental studies of Dupuyt...Continue Reading

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