... factorregulation,interferon-a, 203, 204interleukin-1, 202interleukin-4, 202interleukin-6, 202, 203interleukin-11, 203macrophage colony-stimulatingfactor, 200, 201osteoprotegerin, 201RANKL, 200transforming ... protein-1growth hormone, 174 – 176 , 180parathyroid hormone, 177 , 178 , 181prostaglandin E2, 176 , 177 , 180functional overview, 308loading response,mechanotransduction,bone matrix proteins, 271 integrin–cytoskeletonpathway, ... malformations and variations have been published periodi-cally to aid in the interpretation of findings in a particular study and to illustrate the background inci-dence of effects of interest in rats...