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R. Downs · SciRah

Researcher profile · Semantic Scholar

R. Downs

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R. Downs — researcher profile on SciRah

h-index: 26
Works: 51
Citations: 6,701

Most-cited papers

Effect of Oral Alendronate on Bone Mineral Density and the Incidence of Fractures in Postmenopausal Osteoporosis
U. Liberman, S. Weiss, J. Broll, H. Minne +14 more
19952,350 citations
Semantic Scholar
The Hypocalciuric or Benign Variant of Familial Hypercalcemia: Clinical and Biochemical Features in Fifteen Kindreds
S. Marx, M. Attie, M. A. Levine, A. Spiegel +2 more
1981Medicine381 citations Open access
Semantic Scholar
Alendronate and estrogen effects in postmenopausal women with low bone mineral density. Alendronate/Estrogen Study Group.
H. Bone, S. L. Greenspan, C. McKeever, Norman H. Bell +13 more
2000Journal of Clinical Endocrinology and Metabolism318 citations Open access
Semantic Scholar
Resistance to multiple hormones in patients with pseudohypoparathyroidism. Association with deficient activity of guanine nucleotide regulatory protein.
M. Levine, R. Downs, A. Moses, N. Breslau +5 more
1983American Journal of Medicine293 citations
Semantic Scholar
Official positions of the International Society for Clinical Densitometry.
E. Lewiecki, N. Watts, M. McClung, S. Petak +3 more
2004Southern medical journal (Birmingham, Ala. Print)256 citations Open access
Semantic Scholar
Significant Differential Effects of Alendronate, Estrogen, or Combination Therapy on the Rate of Bone Loss after Discontinuation of Treatment of Postmenopausal Osteoporosis
S. Greenspan, R. Emkey, H. Bone, S. Weiss +11 more
2002Annals of Internal Medicine235 citations
Semantic Scholar
Deficient activity of guanine nucleotide regulatory protein in erythrocytes from patients with pseudohypoparathyroidism.
M. Levine, R. Downs, M. Singer, S. Marx +2 more
1980Biochemical and Biophysical Research Communications - BBRC233 citations
Semantic Scholar
Low-Dose Esterified Estrogen Therapy: Effects on Bone, Plasma Estradiol Concentrations, Endometrium, and Lipid Levels
H. Genant, J. Lucas, S. Weiss, M. Akin +9 more
1997202 citations
Semantic Scholar
Effect of raloxifene on the risk of new vertebral fracture in postmenopausal women with osteopenia or osteoporosis: a reanalysis of the Multiple Outcomes of Raloxifene Evaluation trial.
J. Kanis, O. Johnell, D. Black, R. Downs +4 more
2003Bone197 citations
Semantic Scholar
Dose-Response Relationships for Alendronate Treatment in Osteoporotic Elderly Women
H. Bone, R. Downs, J. Tucci, S. T. Harris +7 more
1997195 citations
Semantic Scholar
The Long-term Effects of Gastric Bypass on Vitamin D Metabolism
Jason M. Johnson, J. Maher, E. DeMaria, R. Downs +2 more
2006Annals of Surgery194 citations
Semantic Scholar
Urinary calcium excretion in familial hypocalciuric hypercalcemia. Persistence of relative hypocalciuria after induction of hypoparathyroidism.
M. Attie, J. Gill, J. Stock, A. Spiegel +3 more
1983Journal of Clinical Investigation194 citations Open access
Semantic Scholar
Low-dose esterified estrogen therapy: effects on bone, plasma estradiol concentrations, endometrium, and lipid levels. Estratab/Osteoporosis Study Group.
H. Genant, J. Lucas, S. Weiss, M. Akin +9 more
1997Archives of Internal Medicine185 citations
Semantic Scholar
Effects of gastric bypass procedures on bone mineral density, calcium, parathyroid hormone, and vitamin d
Jason M. Johnson, J. Maher, I. Samuel, D. Heitshusen +2 more
2005Journal of Gastrointestinal Surgery172 citations
Semantic Scholar
Skeletal sites for osteoporosis diagnosis: the 2005 ISCD Official Positions.
D. Hans, R. Downs, F. Duboeuf, S. Greenspan +3 more
2006Journal of clinical densitometry152 citations
Semantic Scholar
Calcium-regulated parathyroid hormone release in primary hyperparathyroidism: studies in vitro with dispersed parathyroid cells.
E. Brown, D. G. Gardner, M. Brennan, S. Marx +5 more
1979American Journal of Medicine149 citations
Semantic Scholar
Familial hypocalciuric hypercalcemia: recognition among patients referred after unsuccessful parathyroid exploration.
S. Marx, J. Stock, M. Attie, R. Downs +5 more
1980Annals of Internal Medicine126 citations
Semantic Scholar
Activity of the stimulatory guanine nucleotide-binding protein is reduced in erythrocytes from patients with pseudohypoparathyroidism and pseudopseudohypoparathyroidism: biochemical, endocrine, and genetic analysis of Albright's hereditary osteodystrophy in six kindreds.
Michal A. Levine, T. Jap, R. Mauseth, R. Downs +1 more
1986Journal of Clinical Endocrinology and Metabolism125 citations
Semantic Scholar
A familial syndrome of decrease in sensitivity to 1,25-dihydroxyvitamin D.
S. Marx, A. Spiegel, E. Brown, D. G. Gardner +4 more
1978Journal of Clinical Endocrinology and Metabolism122 citations
Semantic Scholar
Comparison of alendronate and intranasal calcitonin for treatment of osteoporosis in postmenopausal women.
R. Downs, N. H. Bell, M. Ettinger, B. Walsh +6 more
2000Journal of Clinical Endocrinology and Metabolism116 citations
Semantic Scholar
Guanine nucleotides: key regulators of hormone receptor-adenylate cyclase interaction.
A. Spiegel, R. Downs
1981Endocrine reviews108 citations Open access
Semantic Scholar
Dose-response relationships for alendronate treatment in osteoporotic elderly women. Alendronate Elderly Osteoporosis Study Centers.
H. Bone, R. Downs, J. Tucci, S. T. Harris +7 more
1997Journal of Clinical Endocrinology and Metabolism59 citations
Semantic Scholar
Variations in physicians' judgments about corticosteroid induced osteoporosis by physician specialty.
L. Buckley, M. Márquez, J. O. Hudson, R. Downs +3 more
1998Journal of Rheumatology56 citations
Semantic Scholar
Deficient adenylate cyclase regulatory protein in renal membranes from a patient with pseudohypoparathyroidism.
R. Downs, M. Levine, M. Drezner, W. Burch +1 more
1983Journal of Clinical Investigation50 citations Open access
Semantic Scholar
New form of pseudohypoparathyroidism with abnormal catalytic adenylate cyclase.
D. Barrett, N. Breslau, M. Wax, P. Molinoff +1 more
1989American Journal of Physiology41 citations
Semantic Scholar
Beta cell monoamines: further evidence for their role in modulating insulin secretion.
J. P. Wilson, R. Downs, J. Feldman, H. Lebovitz
1974American Journal of Physiology31 citations
Semantic Scholar
Impaired formation of beta-adrenergic receptor-nucleotide regulatory protein complexes in pseudohypoparathyroidism.
J. Heinsimer, Albert O. Davies, R. Downs, Michael A. Levine +6 more
1984Journal of Clinical Investigation21 citations Open access
Semantic Scholar
A pilot study: effects of decreasing serum insulin with diazoxide on vitamin D levels in obese women with polycystic ovary syndrome.
J. Nestler, Elizabeth R Reilly, Kai-Che I. Ang, L. Bachmann +1 more
2012Transactions of the American Clinical and Climatological Association18 citations
Semantic Scholar
Novel therapeutic options for osteoporosis
D. Biskobing, Angela M Novy, R. Downs
2002Current Opinion in Rheumatology16 citations
Semantic Scholar
LOW-DOSE ESTERIFIED ESTROGEN THERAPY : EFFECTS ON BONE, PLASMA ESTRADIOL CONCENTRATIONS, ENDOMETRIUM, AND LIPID LEVELS
H. Genant, J. Lucas, S. Weiss, M. Akin +9 more
199814 citations
Semantic Scholar
Guanosine 5′, α-β-methylene, triphosphate, a novel GTP analog, causes persistent activation of adenylate cyclase: Evidence against pyrophosphorylation mechanism
A. Spiegel, R. Downs, G. Aurbach
197713 citations
Semantic Scholar
Effects of arzoxifene on bone, lipid markers, and safety parameters in postmenopausal women with low bone mass
R. Downs, A. Moffett, A. Ghosh, D. Cox +2 more
2010Osteoporosis International11 citations
Semantic Scholar
The effects of forskolin on adenylate cyclase in S49 wild type and cyc- cells.
R. Downs, G. Aurbach
1982Journal of cyclic nucleotide research11 citations
Semantic Scholar
Restoration of guanine nucleotide- and fluoride-stimulated activity to an adenylate cyclase-deficient cell line with affinity-purified guanine nucleotide regulatory protein.
T. Nielsen, R. Downs, A. Spiegel
1980Biochemical Journal11 citations Open access
Semantic Scholar
Differential Effects of Alendronate and Estrogen on the Rate of Bone Loss After Discontinuation of Treatment: P-80.
S. Greenspan, N. H. Bell, H. Bone, R. Downs +7 more
19999 citations
Semantic Scholar
The Calcitonin Receptors
R. Downs
19878 citations
Semantic Scholar
CHAPTER 47 – Hypoparathyroidism in the Differential Diagnosis of Hypocalcemia
R. Downs
20017 citations
Semantic Scholar
Physician Differences in Managing Postmenopausal Osteoporosis
B. Lukert, S. Satram-Hoang, S. Wade, M. Anthony +2 more
2011Drugs & Aging5 citations
Semantic Scholar
Case Report: Cushing’s Disease in Two Sisters
D. F. Gardner, Cornelius O. Barlascini, R. Downs, K. Sahni
19895 citations
Semantic Scholar
Self-reported calcium use in a cohort of postmenopausal women receiving osteoporosis therapy: results from POSSIBLE US™
E. Barrett-Connor, Sally Wade, R. Downs, T. Ganiats +3 more
2015Osteoporosis International4 citations
Semantic Scholar
Complications of nephrogenic systemic fibrosis following repeated exposure to gadolinium in a man with hypothyroidism: a case report
Arpita Aggarwal, Allison Froehlich, P. Essah, N. Brinster +2 more
2011Journal of Medical Case Reports3 citations Open access
Semantic Scholar
Cushing's disease in two sisters.
D. F. Gardner, C. Barlascini, R. Downs, K. Sahni
1989American Journal of the Medical Sciences3 citations
Semantic Scholar
Catecholamine biosynthetic enzymes in pancreatic islet cells
H. Lebovitz, R. Downs
19742 citations
Semantic Scholar
Osteoporosis After Long-Term Depot Medroxyprogesterone: We Need More Data on Fracture Risk
R. Downs, C. Yazbeck
2015Journal of Women's Health1 citations
Semantic Scholar
A United States Patent ( 19 ) 11 Patent Number : 5 , 987 , 256
R. Downs, Wei Y. Zhen
20170 citations
Semantic Scholar
2 SAVE INSTRUCTION AT EMBEDDING 2 O 1 POINT IN INSTRUCTION SAVING REGION SET LAST INSTRUCTION OF 202 EMBEDDING PROCEDURE REWRITE INSTRUCTION AT EMBEDDING 2 O 3 PONT INTO BRANCH INSTRUCTION TO BRANCH TO INSERTION PROCEDURE 24 PROCEOURE INSERTON
R. Downs, ASSistant Examiner, K. Chaki, Rogram StoRAG Wice
20170 citations
Semantic Scholar
Vitamin D-dependent Rickets Type 11 Defective Induction of 25-Hydroxyvitamin D3-24-Hydroxylase by 1,25-Dihydroxyvitamin D3 in Cultured Skin Fibroblasts
G. T. Gamblin, U. Liberman, C. Eil, R. Downs +2 more
20130 citations
Semantic Scholar
A clinical study of 0.3, 0.625 and 1.25 MG esterified estrogens (Estratab®) for the prevention of postmenopausal osteoborosis
H. Genant, J. Lucas, S. Weiss, M. Akin +7 more
2006Osteoporosis International0 citations
Semantic Scholar
Standing Up to Osteoporosis
R. Downs
19970 citations
Semantic Scholar
TAMING THE TIGER - NAVSEA'S RELIABILITY, MAINTAINABILITY AND AVAILABILITY ANALYSIS PROGRAM
R. Downs
19900 citations
Semantic Scholar

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A. Spiegel×6
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R. Emkey×6
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