RajivKumarMD

PubMed

• Fracture Risk Among Living Kidney Donors 25 Years After Donation.
  Maradit Kremers, H., Grossardt, B., Miller, A., Kremers, W., Kasiske, B., Matas, A., Khosla, S., Amer, H., Kumar, R.> ;JAMA Network Open. 2024 Jan 2
• Author Correction: Skeletal and extraskeletal disorders of biomineralization.
  Michael T Collins, Gemma Marcucci, Hans-Joachim Anders, Giovanni Beltrami, Jane A Cauley, Peter R Ebeling, Rajiv Kumar, Agnès Linglart, Luca Sangiorgi, Dwight A Towler...> ;Nature Reviews. Endocrinology. 2023 Jan 1
• 8 citations
  Phosphatonins: From Discovery to Therapeutics.
  Kittrawee Kritmetapak, Rajiv Kumar> ;Endocrine Practice. 2023 Jan 1
• 3 citations
  High-Resolution Mass Spectrometry for the Measurement of PTH and PTH Fragments: Insights into PTH Physiology and Bioactivity.
  Candice Z Ulmer, Kittrawee Kritmetapak, Hubert W Vesper, Rajiv Kumar, Singh, R. J., Ravinder J Singh> ;Journal of the American Society of Nephrology. 2022 Aug 1
• 5 citations
  Clinical Utility of Liquid Biopsy (Cell-free DNA) Based EGFR Mutation Detection Post treatment Initiation as a Disease Monitoring Tool in Patients With Advanced EGFR-m...
  Vichitra Behel, Anuradha Chougule, Vanita Noronha, Vijay Maruti Patil, Nandini Menon, Ajaykumar Singh, Sunil Chopade, Rajiv Kumar, Srushti Shah, Sucheta More, Shripad ...> ;Clinical Lung Cancer. 2022 Jul 1
• 18 citations
  Skeletal and extraskeletal disorders of biomineralization.
  Michael T Collins, Gemma Marcucci, Hans-Joachim Anders, Giovanni Beltrami, Jane A Cauley, Peter R Ebeling, Rajiv Kumar, Agnès Linglart, Luca Sangiorgi, Dwight A Towler...> ;Nature Reviews. Endocrinology. 2022 Aug 1
• 13 citations
  Skeletal muscle mitochondrial dysfunction and muscle and whole body functional deficits in cancer patients with weight loss.
  Hawley E Kunz, John D Port, Kenton R Kaufman, Aminah Jatoi, Corey R Hart, Kevin J Gries, Ian R Lanza, Rajiv Kumar> ;Journal of Applied Physiology. 2022 Feb 1
• 24 citations
  Phosphate as a Signaling Molecule.
  Kittrawee Kritmetapak, Rajiv Kumar> ;Calcified Tissue International. 2021 Jan 1
• 22 citations
  Author Correction: Selective Priming of Tumor Blood Vessels by Radiation Therapy Enhances Nanodrug Delivery.
  Sijumon Kunjachan, Shady Kotb, Robert Pola, Michal Pechar, Rajiv Kumar, Bijay Singh, Felix Gremse, Reza Taleeli, Florian Trichard, Vincent Motto-Ros, Lucie Sancey, Ale...> ;Scientific Reports. 2020 Sep 15
• 2 citations
  Noninvasive imaging of tumor hypoxia after nanoparticle-mediated tumor vascular disruption.
  Needa A. Virani, Olivia J. Kelada, Sijumon Kunjachan, Alexandre Detappe, Jihun Kwon, Jennifer Hayashi, Ana G. Vazquez-Pagan, Douglas E. Biancur, Thomas Ireland, Rajiv ...> ;Plos One. 2020 Jul 24
• 84 citations
  Potential of Flavonoid-Inspired Phytomedicines against COVID-19.
  Wilfred Ngwa, Rajiv Kumar, Daryl Thompson, William Lyerly, Roscoe Moore, Terry Elinor Reid, Henry Lowe, Ngeh J. Toyang> ;Molecules. 2020 Jun 11
• 10 citations
  Hyperphosphatemia with low FGF7 and normal FGF23 and sFRP4 levels in the circulation characterizes pediatric hypophosphatasia.
  Michael P. Whyte, Fan Zhang, Deborah Wenkert, Steven Mumm, Theresa J. Berndt, Rajiv Kumar> ;Bone. 2020 Feb 26
• 14 citations
  Targeted Intravenous Nanoparticle Delivery: Role of Flow and Endothelial Glycocalyx Integrity
  Ming J. Cheng, Ronodeep Mitra, Chinedu C. Okorafor, Alina A. Nersesyan, Ian C. Harding, Nandita N. Bal, Rajiv Kumar, Hanjoong Jo, Srinivas Sridhar, Eno E. Ebong> ;Annals of Biomedical Engineering. 2020 Feb 18
• 5 citations
  Characterization of Isolated Extracts from Justicia Plant Leaves used as Remedy for Anemia.
  Jana Wood, Sayeda Yasmin-Karim, M. Moreau, Rajiv Kumar, Janet Akwanwi, Atoh Derek, Fred Atoneche, John P. Kress, And Wilfred Ngwa> ;Molecules. 2020 Jan 25
• 15 citations
  Selective Priming of Tumor Blood Vessels by Radiation Therapy Enhances Nanodrug Delivery.
  Sijumon Kunjachan, Shady Kotb, Robert Pola, Michal Pechar, Rajiv Kumar, Bijay Singh, Felix Gremse, Reza Taleeli, Florian Trichard, Vincent Motto-Ros, Lucie Sancey, Ale...> ;Scientific Reports. 2019 Nov 1
• 63-Year-Old Woman With Abdominal Pain and Thrombocytopenia
  Frederique St-Pierre, Aditya S. Pawar, Rajiv Kumar> ;Mayo Clinic Proceedings. 2019 Oct 1
• 7 citations
  Lung tumor cells inhibit bone mineralization and osteoblast activity
  Taylor E. Berent, Jessica M. Dorschner, Theodore A. Craig, Matthew T. Drake, Jennifer J. Westendorf, Rajesh Kumar> ;Biochemical and Biophysical Research Communications. 2019 Nov 12
• 7 citations
  Ultrasmall gold nanorods: synthesis and glycocalyx-related permeability in human endothelial cells
  Ming J. Cheng, Nandita N. Bal, Priya Prabakaran, Rajiv Kumar, Thomas J. Webster, Srinivas Sridhar, Eno E. Ebong> ;International Journal of Nanomedicine. 2019 Jan 17
• 6 citations
  Minimizing the potential of cancer recurrence and metastasis by the use of graphene oxide nano-flakes released from smart fiducials during image-guided radiation therapy.
  Dolla Toomeh, Sherif M. Gadoue, Sayeda Yasmin-Karim, Manjri Singh, Rishi Shanker, Surinder P. Singh, Rajiv Kumar, Erno Sajo, Wilfred Ngwa> ;Physica Medica. 2018 Nov 1
• 54 citations
  Radiation and Local Anti-CD40 Generate an Effective in situ Vaccine in Preclinical Models of Pancreatic Cancer.
  Sayeda Yasmin-Karim, Patrick T. Bruck, M. Moreau, Sijumon Kunjachan, Gui Zhen Chen, Rajiv Kumar, Stephanie Grabow, Stephanie K. Dougan, Wilfred Ngwa> ;Frontiers in Immunology. 2018 Sep 7
• 47 citations
  Comparison of the effect of daily versus bolus dose maternal vitamin D3 supplementation on the 24,25-dihydroxyvitamin D3 to 25-hydroxyvitamin D3 ratio.
  Hemamalini Ketha, Tom D. Thacher, Sara S. Oberhelman, Philip R. Fischer, Rajiv Kumar, Singh, R. J., Ravinder J. Singh> ;Bone. 2018 May 1
• 49 citations
  Genome-wide association study identifies susceptibility loci for B-cell childhood acute lymphoblastic leukemia.
  Jayaram Vijayakrishnan, James B. Studd, Peter Broderick, Ben Kinnersley, Amy Holroyd, Philip J. Law, Rajesh Kumar, James M. Allan, Christine J. Harrison, Anthony V. Mo...> ;Nature Communications. 2018 Apr 9
• 20 citations
  Synthesis and in vitro studies of PLGA-DTX nanoconjugate as potential drug delivery vehicle for oral cancer.
  Parul Gupta, Manjri Singh, Rajiv Kumar, Jodi Belz, Rishi Shanker, Premendra D. Dwivedi, Srinivas Sridhar, Surinder P. Singh> ;International Journal of Nanomedicine. 2018 Mar 15
• 23 citations
  Priming the Abscopal Effect Using Multifunctional Smart Radiotherapy Biomaterials Loaded with Immunoadjuvants.
  M. Moreau, Sayeda Yasmin-Karim, Sijumon Kunjachan, Neeharika Sinha, Felix Gremse, Rajiv Kumar, Kwok-Fan Chow, Wilfred Ngwa> ;Frontiers in Oncology. 2018 Mar 12
• 4 citations
  Synthesis and characterization of multifunctional gold nanoclusters for application in radiation therapy
  Richa Baronia, Manjri Singh, Rajat Gupta, Stalin Karuppiah, Rajiv Kumar, Jodi Belz, Rishi Shanker, Srinivas Sridhar, Surinder P. Singh> ;International Journal of Nanomedicine. 2018 Mar 15
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Journal Articles

• Thrombopoietin promotes nhej dna repair in hematopoietic stem cells through specific activation of erk and nf-kappa b pathways and their target, iex-1  
  de Laval B, Pawlikowska P, Barbieri D, Besnard-Guerin C, Cico A, Kumar R , Gaudry M, Baud V, Porteu F, Blood, 1/23/2014
• Detection of 1 alpha,25-dihydroxyvitamin D-regulated miRNAs in zebrafish by whole transcriptome sequencing  
  Craig TA, Zhang Y, Magis AT, Funk CC, Price ND, Ekker SC, Kumar R, Zebrafish, 1/1/2014
• Characterization of the effect of chronic administration of a calcium-sensing receptor antagonist, ronacaleret, on renal calcium excretion and serum calcium in postmen...  
  Caltabiano S, Dollery CT, Hossain M, Kurtinecz MT, Desjardins JP, Favus MJ, Kumar R , Fitzpatrick LA, Bone, 1/1/2013
• Osteocalcin and the regulation of glucose metabolism  
  Vella A, Kumar R, Clinical Reviews in Bone and Mineral Metabolism, 1/1/2013
• Hypercalcemia, hypercalciuria, and elevated calcitriol concentrations with autosomal dominant transmission due to CYP24A1 mutations: effects of ketoconazole therapy  
  Tebben PJ, Milliner DS, Horst RL, Harris PC, Singh RJ, Wu Y, Foreman JW, Chelminski PR, Kumar R, J Clin Endocrinol Metab., 3/1/2012
• Hydrogen/deuterium exchange reflects binding of human centrin 2 to Ca 2+ and Xeroderma pigmentosum Group C peptide: An example of EX1 kinetics  
  Sperry JB, Ryan ZC, Kumar R, Gross ML, International Journal of Mass Spectrometry, 1/1/2012
• Serum 25-hydroxyvitamin D is associated with enhanced pneumococcal antibody levels in individuals with asthma  
  Lee J, Zhao H, Fenta Y, Kita H, Kumar R, Juhn YJ, Allergy Asthma Proc., 11/1/2011
• Tumor-Induced Osteomalacia  
  Kumar R , Folpe AL, Mullan BP, Translational Endocrinology & Metabolism, 1/1/2011
• KDOQI US commentary on the 2009 KDIGO Clinical Practice Guideline for the Diagnosis, Evaluation, and Treatment of CKD-Mineral and Bone Disorder (CKD-MBD)  
  Uhlig K, Berns JS, Kestenbaum B, Kumar R , Leonard MB, Martin KJ, Sprague SM, Goldfarb S, Am J Kidney Dis., 5/1/2010
• ATM-dependent expression of IEX-1 controls nuclear accumulation of Mcl-1 and the DNA damage response  
  Pawlikowska P, Leray I, De Laval, Guihard S, Kumar R , Rosselli F, Porteu F, Cell Death Differ, 1/1/2010
• Mechanisms of renal phosphate loss in liver resection-associated hypophosphatemia  
  Nafidi O, Lapointe RW, Lepage R, Kumar R , D'Amour P, Ann Surg., 5/1/2009
• Increased expression of Wnt2 and SFRP4 in Tsk mouse skin: role of Wnt signaling in altered dermal fibrillin deposition and systemic sclerosis  
  Bayle J, Fitch J, Jacobsen K, Kumar R , Lafyatis R, Lemaire R, J Invest Dermatol, 4/1/2008
• Hyperoxaluric nephrolithiasis is a complication of Roux-en-Y gastric bypass surgery  
  Sinha MK, Collazo-Clavell ML, Rule A, Milliner DS, Nelson W, Sarr MG, Kumar R , Lieske JC, Kidney Int., 7/1/2007
• a LC-MS method for the quantification of urinary albumin using a novel 15N-isotopically-labeled albumin internal standard  
  R Singh, Babic N, Lutz W, Crow F, Lieske J, Larson T, Kumar R, Clin Chem., 1/1/2007
• Clinical relevance of the phosphatonins  
  Shaikh A, Kumar R, Neph-SAP, 1/1/2007
• Application of liquid chromatography-mass spectrometry technology for early detection of microalbuminuria in patients with kidney disease  
  Babic N, Larson TS, Grebe SK, Turner ST, Kumar R , Singh RJ, Clin Chem., 11/1/2006
• The phosphatonins and the regulation of phosphate homeostasis  
  Kumar R, Ann Endocrinol (Paris), 4/1/2006
• FGF-23 and sFRP-4 in chronic kidney disease and post-renal transplantation  
  Pande S, Ritter CS, Rothstein M, Wiesen K, Vassiliadis J, Kumar R , Schiavi SC, Slatapolsky E, Brown AJ, Nephron - Physiology, 1/1/2006
• The phosphatonins and the regulation of phosphorus homeostasis A perspective  
  Berndt T, Kumar R, BoneKEy-Osteovision, 1/1/2005
• The effects of Ca2+ binding on the conformation of calbindin D-28K: A nuclear magnetic resonance and microelectrospray mass spectrometry study  
  Venters RA, Benson LM, Craig TA, Paul KH, Kordys DR, Thompson R, Naylor S, Kumar R , Cavanagh J, Anal Biochem., 6/1/2003
• Emerging role of mass spectrometryin structural and functional apoptosis  
  S Naylor, Kumar R, Adv in Protein Chem., 1/1/2003
• Ontogeny of Phex/PHEX protein expression in mouse embryo and subcellular localization in osteoblasts  
  Thompson DL, Sabbagh Y, Tenenhouse HS, Roche PC, Drezner MK, Salisbury JL, Grande JP, Poeschla EM, Kumar R, J Bone Miner Res., 2/1/2002
• IEX-1, an immediate early gene, increases the rate of apoptosis in keratinocytes  
  Schilling D, Pittelkow MR, Kumar R, Oncogene, 11/29/2001
• FGF-23 inhibits renal tubular phosphate transport and is a PHEX substrate  
  Bowe AE, Finnegan R, Jan de Beur SM, Cho J, Levine MA, Kumar R , Schiavi SC, Biochem Biophys Res Commun., 6/22/2001
• Dendritic cell modulation by 1alpha,25 dihydroxyvitamin D3 and its analogs: a vitamin D receptor-dependent pathway that promotes a persistent state of immaturity in vi...  
  Griffin MD, Lutz W, Phan VA, Bachman LA, McKean DJ, Kumar R, Proc Natl Acad Sci U S A, 6/5/2001
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Books/Book Chapters

• Decision Support in Medicine 
  Chapter: Hypophosphatemia. 
  Kumar R2013
• Osteoporosis 
  Chapter: Phosphatonins. 
  Page 373 - 390Tebben PJ, Berndt TJ, Kumar REdition Four,2013
• Seldin and Geibisch's The Kidney 
  Chapter: The hormonal regulation of calcium metabolism. 
  Page 2249 - 2272Tebben PJ, Kumar R2013
• Seldin and Geibisch's The Kidney 
  Chapter: Clinical disturbances of phosphate homeostasis. 
  Page 2369 - 2391Berndt TJ, Kumar R2013
• The Spectrum of Renal Osteodystrophy and Vascular Calcifications in Uremia 
  Chapter: Phosphatonins in health and disease. 
  Page 379 - 403Thomas L, Sinha M, Kumar REditors: Olgaard K, Salusky IB, Silver J.Oxford University Press2010
• Fundamentals of Osteoporosis. 
  Chapter: Phosphatonins. 
  Page 413 - 428Tebben PJ, Berndt TJ, Kumar REditors: Marcus R; et al..Academic Press, Burlington, London2010
• Seldin and Giebisch's the kidney 
  Chapter: The hormonal regulation of calcium metabolism. 
  Page 1891 - 1909Tebben PJ, Kumar R2008
• Osteoporosis. 
  Chapter: Phosphatonins. 
  Page 451 - 466Tebben PJ, Berndt TJ, Kumar REditors: Marcus R, et al..Elsevier Academic Press, Amsterdam, BostonEdition 3rd,2008
• Primer on the metabolic bone diseases and disorders of mineral metabolism 
  Chapter: Fanconi syndrome and renal tubular acidosis. 
  Tebben PJ, Thomas LF, Kumar REditors: Favus MJ.American Society for Bone and Mineral Research, Washington, DCEdition 6th,2006
• The Kidney:Physiology and Pathophysiology 
  Chapter: Clinical disturbances of phosphate homeostasis. 
  Page 1989 - 2006Berndt TJ, Kumar REditors: Alpern RJ, Hebert SC.Elsevier Academic PressEdition 4th,2006
• Vitamin D. Volume 1. 
  Chapter: Vitamin D and the kidney. 
  Page 515 - 536Tebben P, Kumar REditors: Feldman D.Elsevier Academic Press, AmsterdamEdition 2nd,2005
• Osteomalacia 
  Chapter: Tumor-Induced Osteomalacia. 
  Kumar RSpringer-Verlag2003
• Primer on the metabolic bone diseases and disorders of mineral metabolism. 
  Chapter: Fanconi syndrome and renal tubular acidosis. 
  Page 426 - 430Tebben PJ, Kumar REditors: Favus MJ.American Society for Bone and Mineral Research, Washington, DCEdition 5th,2003
• Endocrinologists. 
  Chapter: The Impact of Fuller Albright on My Research. 
  Kumar RLippincott Williams & Wilkins2002
• The Kidney: Physiology and Pathophysiology. 
  Chapter: Hormonal regulation of calcium metabolism. 
  Page 1791 - 1809Veenstra TD, Kumar REditors: Seldin DW, Giebisch G.Lippincott Williams & Wilkins, Philadelphia, PAEdition Thir,2000
• Atlas of Diseases of the Kidney 
  Chapter: Divalent cation metabolism: calcium. 
  McCarthy JT, Kumar REditors: Berl T, Bonventre JV.Blackwell Science, Philadelphia, PA1999
• Atlas of Diseases of the Kidney. Volume One. 
  Chapter: Divalent cation metabolism: magnesium. 
  McCarthy JT, Kumar REditors: Berl T, Bonventre JV, Schrier RW.Current Medicine Inc., Philadelphia, PA1999
• Renal Osteodystrophy 
  Chapter: Vitamin D. 
  Page 161 - 202Kumar REditors: Bushinsky DA.Lippincott-Raven Publishers, Philadelphia, PA1998
• Nephrology 
  Chapter: Vitamin D metabolism. 
  Page 205 - 214Kumar R , Craig TEditors: Jamison RL, Wilkinson R.Chapman & Hall, London1997
• Vitamin D 
  Chapter: Vitamin D and the kidney. 
  Page 275 - 292Kumar REditors: Feldman D.Academic Press, San Diego, CA1997
• Fluids and Electrolytes 
  Chapter: Calcium disorders. 
  Page 391 - 419Kumar REditors: Kokko JP, Tannen RL.W.B. Saunders Co.1996
• Medicine for the Practicing Physician 
  Chapter: Osteomalacia. 
  Page 670 - 674Kumar REditors: Hurst JW.Appleton & Lange, StamfordEdition Four,1996
• The Principles and Practice of Nephrology. 
  Chapter: Renal osteodystrophy. 
  Page 1032 - 1045McCarthy JT, Kumar REditors: Jacobson HR, et al..Mosby, St. Louis1995
• Molecular Nephrology 
  Chapter: Vitamin D and the plasma membrane calcium pump. 
  Page 253 - 267Kumar R , Strehler EE, Cai QEditors: Schlondorff D, Bonventre JV.Marcel Dekker, Inc., New York1995
• The Principles and Practice of Nephrology 
  Chapter: Calcium metabolism. 
  Page 964 - 971Kumar REditors: Jacobson HR, et al..Mosby, St. Louis1995
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Abstracts/Posters

• Effects of paricalcitol on bone turnover in kidney transplant recipients.
  Amer H, Griffin M, Ryan Z, Park W, Kremers W, Stegall M, Cosio F, Kumar R, Transplantation, 7/15/2014
• Effects of paricalcitol on bone turnover in kidney transplant recipients.
  Amer H, Griffin M, Ryan Z, Park W, Kremers W, Stegall M, Cosio F, Kumar R, Am J Transplant, 6/1/2014
• Decreased renal clearance of uric acid is present in first time female kidney stone formers.
  Ketha H, Lieske JC, Bergstralh EJ, Li X, Kumar R , Rule AD, J Am Soc Nephrol., 1/1/2013
• The anti-phosphaturic effect of 1,25(OH)2D is impaired in nephrolithiasis.
  Ketha H, Singh R, Grebe S, Bergstralh EJ, Li X, Rule AD, Lieske JC, Kumar R, J Am Soc Nephrol., 1/1/2013
• Evidence for altered responsiveness of the vitamin D endocrine system to endogenous circulating parathyroid hormone in kidney stone formers.
  Ketha H, Singh R, Grebe S, Bergstralh EJ, Li X, Rule AD, Lieske JC, Kumar R, J Am Soc Nephrol, 1/1/2013
• Identification of bone-derived binding partners of human phosphate regulating endopeptidase mutated in x-linked hypophosphatemia (PHEX).
  Craig T, Kumar R, American Society for Bone and Mineral Research Annual Meeting, Minneapolis, MN, 10/12/2012
• Measurement of serum sclerostin by an enzyme-linked sandwich assay in sost wild type and knock-out mice.
  Dai X, Ryan ZC, Scribner Doering KB, Salerni BL, Wisherd C, Kumar R, American Society for Bone and Mineral Research Annual Meeting, Minneapolis, MN, 10/12/2012
• 1a,25-dihydroxyvitamin D3 regulates multiple novel metabolic pathways in developing zebrafish.
  Craig TA, Zhang Y, McNulty MS, Middha S, Magis AT, Funk C, Price ND, Ekker SC, Kumar R, American Society for Bone and Mineral Research Annual Meeting, Minneapolis, MN, 10/12/2012
• A liquid chromatography tandem mass spectrometric (LC-MS/MS) method for the quantification of 24,25-dihydroxyvitamin D3 and 24,25-dihydroxyvitamin D2 in human serum.
  Ketha H, Singh RJ, Kumar R, American Society for Bone and Mineral Research Annual Meeting, Minneapolis, MN, 10/12/2012
• Study of the transcriptional mechanism of DREAM by HDX/MS.
  Zhang J, Ramachandran P, Kumar R , Gross ML, American Society of Mass Spectrometry, Vancouver, Canada, 5/20/2012
• Oral paricalcitol in kidney transplant recipients receiving a corticosteroid-free immunosuppressive regimen: an open label randomized trial.
  Amer H, Griffin M, Cosio F, Park W, Kremers W, Mazur M, Hamawi K, Larson T, Stegall M, Kumar R, Am J Transplant, 5/1/2012
• Expression of sclerostin in the developing zebrafish brain and skeleton.
  McNulty MS, Bedell VM, Greenwood TM, Craig TA, Ekker SE, Kumar R, American Society for Bone and Mineral Research Annual Meeting, San Diego, CA, 9/16/2011
• Determination and comparison of serum and plasma sclerostin concentrations by commercially available enzyme-linked immunoassays.
  McNulty MS, Singh RJ, Li X, Bergstralh EJ, Kumar R, American Society for Bone and Mineral Research Annual Meeting, San Diego, CA, 9/16/2011
• A novel syndrome characterized by intermittent hypercalcemia, hypercalciuria, elevated serum calcitriol and undetectable 24, 25-dihydroxyvitamin D concentrations, neph...
  Tebben PJ, Milliner DS, Horst R, Kumar R, American Society for Bone and Mineral Research Annual Meeting, San Diego, CA, 9/16/2011
• Serum 25-hydroxyvitamin D is positively associated with enhanced pnuemococcal antibody titers in individuals with atopic conditions.
  Lee J, Zhao H, Fenta Y, Kita H, Kumar R , Juhn Y, J Allergy Clin Immunol, 2/1/2011
• Increased intestinal oxalate absorption, serum oxalate concentrations and urinary calcium oxalate supersaturation in patients after RYGB surgery.
  Kumar R , Lieske J, Collazo-Clavell M, Olson E, Li X, Bergstralh E, Ryan Z, American Society of Nephrology 41st Annual Renal Week Meeting, Denver, CO, 11/16/2010
• Effective management of hyperparathyroidism, vit D and Mineral metabolism following Roux-en-Y gastric bypass surgery.
  Kumar R , Lieske J, Olson E, Li X, Ryan Z, Bergstralh E, Collazo-Clavell M, American Society of Nephrology 41st Annual Renal Week Meeting, Denver, CO, 11/16/2010
• Improvements in glomerular hyperfiltration are associated with weight loss after Roux-en-Y bypass for obesity.
  Lieske J, Collazo-Clavell M, Olson E, Li X, Bergstralh E, Ryan Z, Kumar R, American Society of Nephrology 41st Annual Renal Week Meeting, Denver, CO, 11/16/2010
• Purification of intestinal phosphatonin from porcine intestine.
  Ryan Z, Kumar R, American Society of Nephrology 41st Annual Renal Week Meeting, Denver, CO, 11/16/2010
• Detection of sclerostin epitopes in zebrafish skeleton and kidney.
  Craig TA, Kumar R, American Society for Bone and Mineral Research 32nd Annual Meeting, Toronto, Canada, 10/15/2010
• Micro-computerized tomographic assessment of zebrafish skeleton.
  Craig TA, Kumar R, American Society for Bone and Mineral Research 32nd Annual Meeting, Toronto, Canada, 10/15/2010
• Mechanism of action of sclerostin: sclerostin interacts with the carboxyl terminal region of ErbB3.
  Craig TA, Kumar R, American Society for Bone and Mineral Research 32nd Annual Meeting, Toronto, Canada, 10/15/2010
• Dose dependent increases in renal phosphate excretion with administration of increasing concentrations of phosphate into the duodenum.
  Berndt T, Ryan Z, Li X, Bergstralh E, Kumar R, American Society of Nephrology 41st Annual Renal Week Meeting, San Diego, CA, 10/29/2009
• Intestine and liver contain a factor (an enteric phosphatonin) that inhibits sodium-dependent phosphate transport in opossum kidney (OK) cells.
  Ryan Z, Berndt T, Kumar R, American Society of Nephrology 41st Annual Renal Week Meeting, San Diego, CA, 10/29/2009
• Production and characterization of monoclonal antibodies to human sclerostin.
  Craig T, Kumar R, American Society for Bone and Mineral Research 31st Annual Meeting, Denver, CO, 9/11/2009
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Lectures

• Fundamentals of Molecular Biology and Genetics 
  Scottsdale, AZ - 4/1/2001
• New Insights into Vitamin D Action. 
  Stanford, CA - 11/1/1998
• Polycystic kidney disease. 
  Iowa City, IA - 4/1/1997
• Phosphatonin - a new phosphaturetic hormone? (Lessons from tumor-induced osteomalacia and X-linked hypophosphatemia). 
  Iowa City, IA - 4/1/1997
• Pathogenesis and treatment of adult polycystic kidney disease. 
  Chicago, IL - 9/1/1996
• Calcium and phosphorus: Key physiologic principles 
  San Francisco, CA - 8/1/1996
• Inhibitors of renal phosphate transport in oncogenic osteomalacia and chronic renal failure. 
  Los Angeles, CA - 4/1/1996
• Mechanisms of calcium transport. 
  Los Angeles, CA - 4/1/1996
• Adult polycystic kidney disease, Type 1: What's new and what is in the future. 
  Los Angeles, CA - 4/1/1996
• Vasopressin receptor endocytosis - physiological role. 
  Los Angeles, CA - 4/1/1996
• Phosphatonin. 
  St. Louis, MO - 11/1/1995
• Regulation of phosphate transport and new insights into vitamin action. 
  St. Louis, MO - 11/1/1995
• Vitamin D receptor (VDR) regulation in the parathyroids of uremic patients. 
  Seville, Spain - 7/1/1995
• New concepts concerning the pathogenesis of hypophosphatemic bone disease. 
  Baltimore, MD - 4/1/1995
• Regulation of intestinal and renal calcium transport. 
  Dallas, TX - 4/1/1995
• The biology of phosphatonin -- a tumor-derived inhibitor of renal phosphate transport. 
  Tokyo, Japan - 12/1/1994
• The osteoblastic calcium pump. 
  Paris, France - 5/1/1994
• Advances in oncogenic osteomalacia. 
  Snowmass, CO - 3/1/1994
• Role of Vitamin D in tubular Ca2+ transport. 
  Jerusalem, Israel - 6/1/1993
• Vasopressin receptor internalization and desensitization. 
  Berlin, Germany - 5/1/1993
• Renal osteodystrophy and the vitamin D endocrine system. 
  Nashville, TN - 1/1/1993
• Vasopressin receptor endocytosis. 
  Nashville, TN - 1/1/1993
• Renal calcium ATPases. 
  Chicago, IL - 11/1/1991
• Vitamin D and mechanisms of calcium transport 
  Nashville, TN - 5/1/1991
• Physiology and biochemistry of vitamin D and vitamin D-dependent calcium binding proteins. 
  Bronx, NY - 11/1/1990
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Other

• DNA encoding HEM-1, a gene expressed by sclerosing hemangioma cells. 
  Kumar R, US Patent Number: US 5618695
  4/1/1997