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Endogenous n 3 polyunsaturated fatty acids PUFAs mitigate ovariectomy-induced bone loss by attenuating bone marrow adipogenesis in FAT1 transgenic mice

Authors Chen T, Zhang Z, Zheng X, Wang L, Huang M, Qin S, Chen J, Lai P, Yang C, Liu J, Dai Y, Jin D, Bai X, Duan Y

Received 15 March 2013

Accepted for publication 7 May 2013

Published 28 June 2013 Volume 2013:7 Pages 545—552


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 3

Tian-yu Chen,1,2,* Zhong-min Zhang,1,2,* Xiao-chen Zheng,1,2 Liang Wang,1,2 Min-jun Huang,1,2 Si Qin,3 Jian Chen,1,2 Ping-lin Lai,4 Cheng-liang Yang,1,2 Jia Liu,1,2 Yi-fan Dai,5 Da-di Jin,1,2 Xiao-chun Bai1,2,4

1Department of Orthopaedic, the Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong, People's Republic of China; 2Academy of Orthopaedics, Guangdong Province, Guangzhou, Guangdong, People's Republic of China; 3Department of Dermatology and STD, Guangdong No.2 Provincial People's Hospital, Guangzhou, Guangdong, People's Republic of China; 4Department of Cell Biology, School of Basic Medical Science, Southern Medical University, Guangzhou, Guangdong, People's Republic of China; 5Center of Metabolic Disease Research, Nanjing Medical University, Jiangsu, People's Republic of China

*These authors contributed equally to this work

Aim: To investigate the effect of endogenous n-3 polyunsaturated fatty acids (PUFAs) on bone marrow adipogenesis under osteoporosis conditions.
Methods: A mouse osteoporosis model overexpressing the FAT1 gene from Caenorhabditis elegans and converting n-6 PUFAs to n-3 PUFAs endogenously was used.
Results: The mice presented significantly lower bone marrow adiposity (adipocyte volume/tissue volume, mean adipocyte number) but increased the bone parameters (bone mineral density, bone mineral content, bone volume/total volume) in the distal femoral metaphysis.
Conclusion: Endogenous n-3 PUFAs protect bone marrow adipogenesis, which provides a novel drug target.

Keywords: antiosteoporosis, n-3 PUFAs, bone marrow, adipogenesis

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