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Carol Pilbeam, Ph.D., M.D.

Academic Title
Professor of Medicine and Orthopaedics

B.S. Southern Methodist University, Dallas, TX 1964
Ph.D., Geophysics, Yale University, New Haven, CT 1971
M.D., Yale Medical School, New Haven, CT 1982

Internship and Residency, Internal Medicine, Waterbury Hospital, Waterbury, CT 1982-85
Fellowship in Geriatric Medicine, Harvard Medical School, Boston, MA 1985-87

Educational Contribution
Director, MD-PhD Program
Graduate Faculty, Clinical and Translational Research
Graduate Faculty, Biomedical Science

Research Interests
Factors regulating bone turnover and bone loss
Role of prostaglandins in bone physiology and pathology
Bladder cancer

Current Grants
5R01AR060386                                                                   Pilbeam (PI)                                         07/01/11-06/30/16              
Cox-2 Regulation of Bone Responses to PTH: Role of Osteoclasts
The goal of this project is to prove that the actions of parathyroid hormone (PTH) are modified at the cellular level by the PTH induction of cyclooxygenase-2 (COX-2) and COX-2-produced prostaglandins (PGs).
Role: Principal Investigator
Areas of Special Clinical Interest

Special NIDDK Study Section
ZDK1 GRB-J O4 Ancillary Studies-Bone Health in Diabetes

Selected Publications
Choudhary S, Blackwell K, Voznesensky O, Deb Roy A, Pilbeam C.  Prostaglandin E2 acts via bone marrow macrophages to block PTH-stimulated osteoblast differentiation in vitro. Bone, 56:31-41, 2013.

Choudhary S, Hegde P, Pruit JR, Sielecki TM, Choudhary D, Scarpato K, Degraff DJ, Pilbeam CC, Taylor JA 3rd.  Macrophage migratory inhibitory factor promotes bladder cancer progression via increasing proliferation and angiogenesis. Carcinogenesis (epub Aug 2), 2013.

Mehrotra M, Saegusa M, Wadhwa S, Voznesensky O, Pilbeam C.  Role of Cbfa1/Runx2 in the fluid shear stress induction of COX-2 in osteoblasts.  Biochem Biophys Res Commun 341:1225-30, 2006.

Xu Z, Choudhary S, Voznesensky O, Mehrotra M, Woodard M, Hansen M, Herschman H, Pilbeam C.  Overexpression of COX-2 in human osteosarcoma cells decreases proliferation and increases apoptosis.  Cancer Res 66:6657-6664,2006.

Taylor JA, Zhu Q, Irwin B, Maghayda Y, Tsimikas J, Pilbeam C, Leng L, Bucala R, Kuchel GA.  Null mutation in macrophage migration inhibitory factor (MIF) prevents muscle cell loss and fibrosis in partial bladder outlet obstruction.  Am J Physiol Renal Physiol 291:F1343-53,2006.

Choudhary S, Halbout P, Alander C, Raisz L, and Pilbeam C.  Strontium ranelate promotes osteoblastic differentiation and mineralization of murine bone marrow stromal cells.  J Bone Miner Res 22:1002-10,2007.

Xu Z, Choudhary S, Okada Y, Voznesensky O, Alander C, Raisz L, and Pilbeam C.  Cyclooxygenase-2 gene disruption promotes proliferation of murine calvarial osteoblasts in vitro.  Bone 41:68-76,2007.

Taylor JA, Kuchel GA, Hegde P, Voznesensky OS, Claffey K, Tsimikas J, Leng L, Bucala R, Pilbeam C.  Null mutation for macrophage migration inhibitory factor (MIF) is associated with less aggressive bladder cancer in mice. BMC Cancer 7: 135,2007. 

Pilbeam CC, Choudhary S, Blackwell K, Raisz LG.  Prostaglandins and Bone Metabolism, In "Principles of Bone Biology", Bilezikian, Raisz, and Martin, eds., Elsevier/Academic Press, San Diego, pp 1235-1271,2008

Taylor JA, Kuchel GA, Hegde P, Voznesensky OS, Claffey K, Tsimikas J, Leng L, Bucala R, Pilbeam C.  Null mutation for macrophage migration inhibitory factor (MIF) is associated with less aggressive bladder cancer in mice. BMC Cancer 7: 135,2007. 

Choudhary S, Huang H, Raisz L, Pilbeam C. Anabolic effects of PTH in cyclooxygenase-2 knockout osteoblasts in vitro.  Biochem Biophys Res Commun Commun 324: 536-541, 2008.

Choudhary S, Alander C, Zhan P, Gao Q, Pilbeam C, Raisz L.  Effect of deletion of the prostaglandin EP2 receptor on the anabolic response to PGE2 and a selective EP2 receptor agonist.  Prostaglandins Leukot Essent Fatty Acids 86: 35-40, 2008.

Taylor JA 3rd, Pilbeam C, Nisbet A.  Role of the prostaglandin pathway and the use of NSAIDs in genitourinary malignancies. Expert Rev Anticancer Ther 8:1125-34,2008

Plotnikov SV, Kenny AM, Walsh SJ, Zubrowski B, Joseph C, Scranton VL, Kuchel GA, Dauser D, Xu M, Pilbeam CC, Adams DJ, Dougherty RP, Campagnola PJ, Mohler WA.  Measurement of muscle disease by quantitative second harmonic generation imaging.  J Biomed Opt 13:044018, 2008.

Taylor J, Ristau B, Bonnemaison M, Voznesensky O, Hegde P, Kuchel G, Pilbeam C.  Regulation of the prostaglandin pathway during development of invasive bladder cancer in mice.  Prostaglandins Other Lipid Mediat, 88:36-41, 2009. 

Gao Q, Xu M, Alander CB, Choudhary S, Pilbeam CC, and Raisz LG. Effects of Prostaglandin E2 on bone  in mice in vivo.  Prostaglandins Other Lipid Mediat, 89:20-5,2009.

Gao Q, Zhan P, Alander CB, Kream BE, Hao C, Breyer MD, Pilbeam CC, Raisz LG. Effects of global or targeted deletion of the EP4 receptor on the response of osteoblasts to prostaglandin in vitro and on bone histomorphometry in aged mice.  Bone, 45:98-103,2009. 

Blackwell KA, Hortschansky P, Sanovic S, Choudhary S, Raisz LG, and Pilbeam CC. Bone morphogenetic protein 2 enhances PGE2 stimulated osteoclast formation in murine bone marrow cultures.  Prostaglandins Other Lipid Mediat, 90:76-80. Epub 2009 Sep 8.

Huang H, Chikazu D, Voznesensky OS, Herschman HR, Kream BE, Drissi H, Pilbeam CC.  Parathyroid hormone induction of cyclooxgenase-2 in murine osteoblasts:  role of the calcium-calcineurin-NFAT pathway.  J Bone Miner Res 25:819-29, 2010.

Igwe JC, Jiang X, Paic F, Ma L, Adams DJ, Baldock PA, Pilbeam CC, Kalajzic I. Neuropeptide Y is expressed by osteocytes and can inhibit osteoblastic activity. J Cell Biochem 108:621-30, 2009.

Blackwell KA, Raisz LG, Pilbeam CC.  Prostaglandins in bone:  Good Cop? Bad Cop”. Trends in Endocrinol Metab 21:294-301, 2010.

Xu M, Choudhary S, Voznesensky O, Gao Q, Adams D, Diaz-Doran V, Wu Q, Goltzman D, Raisz LG, Pilbeam CC. Basal bone phenotype and increased anabolic responses to intermittent parathyroid hormone in healthy male COX-2 knockout mice. Bone 47:341-52, 2010.
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