Behavior of host and graft cells in the early remodeling process of rotator cuff defects in a transgenic animal model

Yoshio Iwata, Toru Morihara, Hisakazu Tachiiri, Yoshiteru Kajikawa, Atsuhiko Yoshida, Yuji Arai, Daisaku Tokunaga, Hirotaka Sakamoto, Ken ichi Matsuda, Masao Kurokawa, Mitsuhiro Kawata, Toshikazu Kubo

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Autologous tissue graft is one of the treatment options for a large rotator cuff defect. To develop appropriate strategies for enhanced solid graft integration at the bone-tendon interface and tendon-tendon interface, clarifying the fate of the graft and host cells that contribute to repair and remodeling is necessary. We have developed a new grafting model using green fluorescent protein-transgenic rats and wild-type rats to simulate autologous transplantation for examining the behavior of the host and graft cells in the remodeling process after tendon grafting. We found that the host cells commenced proliferation in the graft at 1 day after grafting. The host cells infiltrated into the graft from the subacromial synovium, proximal tendon, and bone-tendon insertion. The number of graft-derived cells decreased with time. Our result clearly demonstrated that host cells, rather than graft cells, were essential for rotator cuff remodeling after tendon grafting for rotator cuff defect.

Original languageEnglish
JournalJournal of Shoulder and Elbow Surgery
Volume17
Issue number1 SUPPL.
DOIs
Publication statusPublished - Jan 2008
Externally publishedYes

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Genetically Modified Animals
Rotator Cuff
Tendons
Animal Models
Transplants
Transgenic Rats
Bone and Bones
Synovial Membrane
Autologous Transplantation
Green Fluorescent Proteins
Cell Proliferation

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Surgery

Cite this

Behavior of host and graft cells in the early remodeling process of rotator cuff defects in a transgenic animal model. / Iwata, Yoshio; Morihara, Toru; Tachiiri, Hisakazu; Kajikawa, Yoshiteru; Yoshida, Atsuhiko; Arai, Yuji; Tokunaga, Daisaku; Sakamoto, Hirotaka; Matsuda, Ken ichi; Kurokawa, Masao; Kawata, Mitsuhiro; Kubo, Toshikazu.

In: Journal of Shoulder and Elbow Surgery, Vol. 17, No. 1 SUPPL., 01.2008.

Research output: Contribution to journalArticle

Iwata, Y, Morihara, T, Tachiiri, H, Kajikawa, Y, Yoshida, A, Arai, Y, Tokunaga, D, Sakamoto, H, Matsuda, KI, Kurokawa, M, Kawata, M & Kubo, T 2008, 'Behavior of host and graft cells in the early remodeling process of rotator cuff defects in a transgenic animal model', Journal of Shoulder and Elbow Surgery, vol. 17, no. 1 SUPPL.. https://doi.org/10.1016/j.jse.2007.07.008
Iwata, Yoshio ; Morihara, Toru ; Tachiiri, Hisakazu ; Kajikawa, Yoshiteru ; Yoshida, Atsuhiko ; Arai, Yuji ; Tokunaga, Daisaku ; Sakamoto, Hirotaka ; Matsuda, Ken ichi ; Kurokawa, Masao ; Kawata, Mitsuhiro ; Kubo, Toshikazu. / Behavior of host and graft cells in the early remodeling process of rotator cuff defects in a transgenic animal model. In: Journal of Shoulder and Elbow Surgery. 2008 ; Vol. 17, No. 1 SUPPL.
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AU - Arai, Yuji

AU - Tokunaga, Daisaku

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