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Novel approaches to altering bone mechanical properties 
Novel approaches for treating  osteogenesis imperfecta 

IUPUI BBRC-funded project

Combination treatment to enhance bone strength

NIH/NIAMS-funded project 2012-2017

Treating skeletal complications of chronic kidney disease
NIH/NIAMS-funded project 2010-2015

Pharmaceutical agents used to treat osteoporosis significantly reduce fracture risk via different mechanisms that ultimately enhance either structural or material biomechanical properties. This proposal will determine if FDA approved anti- osteoporotic drugs can be used in combination to enhance bone mechanical properties more than treatment with either drug alone.

 

NEW PUBLICATION: MR Allen, PR Territo, C Lin, S Persohn, L Jiang, AA. Riley, BP McCarthy, CL Newman, DB Burr, and GD Hutchins. In vivo UTE-MRI reveals positive effects of raloxifene on skeletal bound water in skeletally mature beagle dogs. Accepted to J Bone Miner Res. 

 

 

M Aref, MA Gallant, JM Organ, JM Wallace, CL Newman, DB Burr, DM Brown, MR Allen. In vivo reference point indentation reveals positive effects of raloxifene on mechanical properties following six months of treatment in skeletally mature beagle dogs.  Bone.  56: 449-453, 2013.  PMCID: PMC3873633. 

One in ten Americans suffers from chronic kidney disease (CKD). Individuals with end-stage CKD have a 17-fold higher risk of skeletal fracture than the normal population and of CKD patients that sustain a hip fracture over 60% die within a year (compared to 20% in the normal population).  Our work in this field is focused on gaining a greater understanding of the underlying skeletal schanges associated with CKD and finding a viable treatment for these changes.  This work is done in collaboration with Dr. Sharon Moe, a clinical nephrologist.

 

RECENT PUBLICATIONS: CL Newman, SM Moe, NX Chen, MA Hammond, JM Wallace, JS Nyman, and MR Allen. Cortical bone mechanical properties are altered in an animal model of progressive chronic kidney disease. PLoS One 9(6): e99262, 2014.  PMCID: PMC4049798.  

 

SM Moe, NX Chen, CL Newman, JM Organ, M Kneissel, I Kramer, VH Gattone II, and MR Allen. Anti-Sclerostin antibody treatment in a rat model of progressive renal osteodystrophy. In press Journal of Bone and Mineral Research.  

 

MR Allen, CL Newman, N Chen, M Granke, JS. Nyman, and SM Moe. Changes in skeletal collagen crosslinks and matrix hydration in high and low turnover chronic kidney disease. In press Osteoporosis International. 

In conjuction with Dr. David Burr our laboratory has shown that raloxifene, a selective estrogen receptor modulator, can alter bone mechanical properties through non-cellular mechanisms. Current work is aimed at undersanding the mechanisms underlying these benefical modifications.

 

RECENT PUBLICATION: MA Gallant, DM Brown, M Hammond, JM Wallace, J Du, AX Deymier-Black, JD Almer, SR Stock, MR Allen and DB Burr. Bone cell-independent benefits of raloxifene on the skeleton: A novel mechanism for improving bone material properties. Bone 61: 191-200, 2014.  PMCID: PMC3955028. 

 

RECENT MEDIA COVERAGE 

In conjuction with Dr. Joey Wallace we are examining the ability of raloxifene to improve the compromised bone mechanical properties associated with osteogenesis imperfecta. 

 

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