The effects of a high fat diet containing diacylglycerol on bone in C57BL/6J mice

Han Seok Choi, Su Jin Park, Zang Hee Lee, Sung Kil Lim

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)


Purpose: In epidemiologic and animal studies, a high fat diet (HFD) has been shown to be associated with lower bone mineral density (BMD) and a higher risk of osteoporotic fractures. Meanwhile, consuming a HFD containing diacylglycerol (DAG) instead of triacylglycerol (TAG) is known to offer metabolically beneficial effects of reductions in body weight and abdominal fat. The purpose of this study was to investigate the effects of a HFD containing DAG (HFD-DAG) on bone in mice. Materials and Methods: Four-week-old male C57BL/6J mice (n=39) were divided into three weight-matched groups based on diet type: a chow diet group, a HFD containing TAG (HFD-TAG) group, and a HFD-DAG group. After 20 weeks, body composition and bone microstructure were analyzed using dual energy X-ray absorptiometry and micro-computed tomography. Reverse transcription-polymerase chain reaction (PCR) and real-time PCR of bone marrow cells were performed to investigate the expressions of transcription factors for osteogenesis or adipogenesis. Results: The HFD-DAG group exhibited lower body weight, higher BMD, and superior microstructural bone parameters, compared to the HFD-TAG group. The HFD-DAG group showed increased expression of Runx2 and decreased expression of PPARγ in bone marrow cells, compared to the HFD-TAG group. The HFD-DAG group also had lower levels of plasma glucose, insulin, total cholesterol, and triglyceride than the HFD-TAG group. Conclusion: Compared to HFD-TAG, HFD-DAG showed beneficial effects on bone and bone metabolism in C57BL/6J mice.

Original languageEnglish
Pages (from-to)951-960
Number of pages10
JournalYonsei medical journal
Issue number4
Publication statusPublished - 2015 Jul 1

Bibliographical note

Publisher Copyright:
© Yonsei University College of Medicine 2015.

All Science Journal Classification (ASJC) codes

  • Medicine(all)


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