of;
Orthopaedic;
Surgery,;
Johns;
Hopkins;
University;
School;
of;
Medicine,;
Baltimore,;
MD,;
USA;
of;
Nephrology,;
Bone;
&;
Mineral;
Metabolism,;
University;
of;
Kentucky,;
Lexington,;
KY,;
USA;
Administration;
Medical;
Center,;
Baltimore,;
MD,;
USA.;
缺氧诱导因子-1α; 甲状旁腺激素; 合成代谢; HIF-1α; 成骨细胞; 动作; PTH; 转录因子;