Periodontal tissue regeneration by transplantation of autologous adipose tissue-derived multi-lineage progenitor cells

Masahide Takedachi, Keigo Sawada, Kazuma Sakura, Chiaki Morimoto, Asae Hirai, Tomoaki Iwayama, Junpei Shimomura, Kohsuke Kawasaki, Chiharu Fujihara, Yoichiro Kashiwagi, Akimitsu Miyake, Tomomi Yamada, Hanayuki Okura, Akifumi Matsuyama, Masahiro Saito, Masahiro Kitamura, Shinya Murakami

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Periodontitis is a chronic inflammatory disease that destroys tooth-supporting periodontal tissue. Current periodontal regenerative therapies have unsatisfactory efficacy; therefore, periodontal tissue engineering might be established by developing new cell-based therapies. In this study, we evaluated the safety and efficacy of adipose tissue-derived multi-lineage progenitor cells (ADMPC) autologous transplantation for periodontal tissue regeneration in humans. We conducted an open-label, single-arm exploratory phase I clinical study in which 12 periodontitis patients were transplanted with autologous ADMPCs isolated from subcutaneous adipose tissue. Each patient underwent flap surgery during which autologous ADMPCs were transplanted into the bone defect with a fibrin carrier material. Up to 36 weeks after transplantation, we performed a variety of clinical examinations including periodontal tissue inspection and standardized dental radiographic analysis. A 36-week follow-up demonstrated no severe transplantation-related adverse events in any cases. ADMPC transplantation reduced the probing pocket depth, improved the clinical attachment level, and induced neogenesis of alveolar bone. Therapeutic efficiency was observed in 2- or 3-walled vertical bone defects as well as more severe periodontal bone defects. These results suggest that autologous ADMPC transplantation might be an applicable therapy for severe periodontitis by inducing periodontal regeneration.

Original languageEnglish
Article number8126
JournalScientific reports
Issue number1
Publication statusPublished - 2022 Dec

ASJC Scopus subject areas

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