2019
High dose vitamin D supplementation does not rescue bone loss following Roux-en-Y gastric bypass in female rats
Niu A, Carpenter TO, Grams JM, Bozorgmehri S, Tommasini SM, Schafer AL, Canales BK. High dose vitamin D supplementation does not rescue bone loss following Roux-en-Y gastric bypass in female rats. Bone 2019, 127: 172-180. PMID: 31226531, PMCID: PMC6708762, DOI: 10.1016/j.bone.2019.06.015.Peer-Reviewed Original ResearchConceptsCalcium/creatinine ratioVitamin D supplementationSecondary hyperparathyroidismBone lossD supplementationGastric bypassGut hormonesRYGB groupParathyroid hormoneFracture riskFemale ratsUrine calcium/creatinine ratioBone volumeUrinary calcium/creatinine ratioHigh-dose vitamin D supplementationAdequate vitamin D supplementationC-terminal telopeptide (CTX) levelsHigher serum parathyroid hormoneIU vitamin D supplementationIU vitamin D/Bone phenotypeDose vitamin D supplementationResultant secondary hyperparathyroidismVitamin D/Serum parathyroid hormone
2011
Changes in intracortical microporosities induced by pharmaceutical treatment of osteoporosis as detected by high resolution micro-CT
Tommasini SM, Trinward A, Acerbo AS, De Carlo F, Miller LM, Judex S. Changes in intracortical microporosities induced by pharmaceutical treatment of osteoporosis as detected by high resolution micro-CT. Bone 2011, 50: 596-604. PMID: 22226688, PMCID: PMC3278519, DOI: 10.1016/j.bone.2011.12.012.Peer-Reviewed Original ResearchConceptsAge-matched controlsUntreated OVXEstrogen withdrawalSix-month-old female SpragueDifferent osteoporosis treatmentsUntreated OVX ratsStart of treatmentEndosteal regionOsteocyte lacunar sizeEffect of treatmentOVX ratsOsteoporosis treatmentFemale SpraguePTH treatmentDawley ratsCurrent treatmentNumber of lacunaeMedial cortexOsteocyte lacunaePharmaceutical treatmentOVXMedial quadrantAlendronateBone strengthFemoral diaphysis