passages.id: split_4_test_927_passage
passages.type: progene_text
passages.text: We , therefore , examined associations of these receptors on the putative rCaBP 9k and mCaBP 28k VDREs , as well as on established VDREs from the rat osteocalcin ( rOC ) and mouse osteopontin ( mOP ) genes , plus the thyroid hormone response element ( TRE ) from the rat myosin heavy chain ( rMHC ) gene .