Research Topics
| F GrasesSummaryCountry: Spain Publications
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Detail Information
Publications
Absorption and excretion of orally administered inositol hexaphosphate (IP(6) or phytate) in humansF Grases
Laboratory of Renal Lithiasis Research, Faculty of Science, University of Illes Balears, 07071 Palma de Mallorca, Spain
Biofactors 15:53-61. 2001..Thus, the normal plasma and urinary concentrations, can be obtained either by consumption of a IP(6)ND taking a long time or in a short period by IP(6) supplements...
Inositol hexakisphosphate in urine: the relationship between oral intake and urinary excretionF Grases
Laboratory of Renal Lithiasis Research, University of the Belearic Islands, Palma de Mallorca, Spain
BJU Int 85:138-42. 2000..To study the relationship between the oral intake of inositol hexakisphosphate (InsP6, phytic acid, an inhibitor of urinary crystallization) and its urinary excretion, to establish their possible mutual influence...
Factors affecting calcium oxalate dihydrate fragmented calculi regrowthA Costa-Bauza
Laboratory of Renal Lithiasis Research, University Institute of Health Sciences Research IUNICS, University of Balearic Islands, 07122 Palma of Mallorca, Spain
BMC Urol 6:16. 2006..This study examined the effect of various urinary conditions and crystallization inhibitors on the regrowth of spontaneously-passed post-ESWL COD calculi fragments...
Phytate levels in diverse rat tissues: influence of dietary phytateF Grases
Laboratory of Renal Lithiasis Research, University of Balearic Islands, Palma de Mallorca, Spain
Br J Nutr 86:225-31. 2001..Consequently, considering that InsP6 could be involved in some important biological roles, the value of any diet on supplying this substance is noteworthy...
Phytate prevents tissue calcifications in female ratsF Grases
Laboratory of Renal Lithiasis Research, University of Balearic Islands, Palma de Mallorca, Spain
Biofactors 11:171-7. 2000..Only rats of the AIN-76 A group displayed mineral deposits at the corticomedullary junction. These findings demonstrated that the absence of phytate in the AIN-76 A diet is one of the causes of renal calcification in female rats...
Urinary pH and renal lithiasisF Grases
Laboratory of Renal Lithiasis Research, Universitary Institute of Health Sciences Research IUNICS, University of Balearic Islands, 07122 Palma de Mallorca, Spain
Urol Res 40:41-6. 2012..5 and 6.0 because the injured papilla acts as a heterogeneous nucleant. Consequently, measurement of urinary pH may be used to evaluate the lithogen risk of given urine...
Influence of concomitant food intake on the excretion of orally administered myo-inositol hexaphosphate in humansF Grases
Laboratory of Renal Lithiasis Research, Universitary Institut of Health Sciences Research, University of Balearic Islands, Palma of Mallorca, Spain
J Med Food 9:72-6. 2006..Thus, if InsP6 supplements of vegetal origin are consumed to maintain the optimum InsP6 levels needed for a healthy status, these supplements can be consumed either during or between meals with the same efficacy...
Dietary phytate and mineral bioavailabilityF Grases
Laboratory of Renal Lithiasis Research, University of Balearic Islands, Palma de Mallorca, Spain
J Trace Elem Med Biol 15:221-8. 2001....
Anticalculus effect of a triclosan mouthwash containing phytate: a double-blind, randomized, three-period crossover trialF Grases
Laboratory of Renal Lithiasis Research, University Institute of Health Sciences Research, University of Balearic Islands, Palma de Mallorca, Spain
J Periodontal Res 44:616-21. 2009..The aim of the present study was to examine the effects of phytate and zinc, administered in a mouthwash solution, to prevent the formation of dental calculus...
Urinary phytate in calcium oxalate stone formers and healthy people--dietary effects on phytate excretionF Grases
Laboratory of Renal Lithiasis Research, University of Balearic Islands, Palma de Mallorca, Spain
Scand J Urol Nephrol 34:162-4. 2000..This demonstrated the importance of dietary phytate in maintaining adequate urinary levels to permit effective crystallization inhibition of calcium salts and consequently preventing renal stone development...
Effects of phytate and pyrophosphate on brushite and hydroxyapatite crystallization. Comparison with the action of other polyphosphatesF Grases
Laboratory of Urolithiasis Research, Faculty of Sciences, University of Illes Balears, Palma de Mallorca, Spain
Urol Res 28:136-40. 2000..87x10(-6) M prevented crystallization during time periods of at least 1 h). This demonstrates that low excretion of these substances would pose a risk of renal lithiasis...
Uric acid urolithiasis and crystallization inhibitorsF Grases
Laboratory of Urolithiasis Research, Faculty of Sciences, University of Illes Balears, Palma de Mallorca, Spain
Urol Int 62:201-4. 1999..From the results obtained it can be deduced that mainly glycoproteins, glycosaminoglycans and surfactant substances can exert protective effects against uric acid crystallization...
Absorption of myo-inositol hexakisphosphate (InsP6) through the skin in humansF Grases
Laboratory of Renal Lithiasis Research, Institute of Health Sciences Research, Faculty of Sciences, University of Balearic Islands, 07122 Palma de Mallorca, Spain
Pharmazie 61:652. 2006..These results demonstrate the topical application as a suitable administration route of InsP6 in humans...
Effect of phytate on element bioavailability in the second generation of ratsF Grases
Laboratorio de Investigación en Litiasis Renal, Facultad de Ciencias, Universitat de les Illes Balears, Palma de Mallorca, Spain
J Trace Elem Med Biol 17:229-34. 2004..However, using this purified diet, the zinc concentration in bone resulted around 10 times higher than found in rats fed with a common non purified rat chow...
Dietary myo-inositol hexaphosphate prevents dystrophic calcifications in soft tissues: a pilot study in Wistar ratsF Grases
Laboratory of Renal Lithiasis Research, Institute of Health Sciences IUNICS, University of Balearic Islands, Ctra Valldemossa km 7 5, 07071, Palma de Mallorca, Spain
Life Sci 75:11-9. 2004..3-0.4 microM) clearly inhibited the development of dystrophic calcifications in soft tissues. These results demonstrates that myo-inositol hexaphosphate acts as an inhibitor of calcium salt crystallization...
An experimental study on residual lithiasis after shock wave lithotripsyA Costa-Bauza
Laboratory of Renal Lithiasis Research, Institute of Health Sciences Research IUNICS, University of Balearic Islands 07122 Palma of Mallorca, Spain
Urol Res 33:51-6. 2005..The in vitro regrowth of post-ESWL COM fragments was clearly influenced by the presence of crystallization inhibitors. These data also demonstrate the importance that effective prophylactic therapies could exert on preventing recurrence...
Study on concretions developed around urinary catheters and mechanisms of renal calculi developmentF Grases
Laboratory of Renal Lithiasis Research, Faculty of Sciences, University Illes Balears, Palma de Mallorca, Spain
Nephron 88:320-8. 2001..To study the structure and composition of encrustation and concretions developed on urinary catheters to better understand their formation mechanism to be able to prevent them...
Determination of phosphate in urine by sequential injection analysisB M Simonet
Department of Chemistry, University of Balearic Islands, 07071 Palma de Mallorca, Spain
Fresenius J Anal Chem 369:96-102. 2001..This interference was solved using a cation exchange resin as a part of the manifold. Considering the low toxicity of used reagents, these methods can be considered as a contribution to Green Analytical Chemistry...
Study of potassium phytate effects on decreasing urinary calcium in ratsF Grases
Laboratorio de Investigación en Litiasis Renal, University of Balearic Islands, Palma de Mallorca, Spain
Urol Int 72:237-43. 2004....
Intracellular and extracellular myo-inositol hexakisphosphate (InsP6), from rats to humansF Grases
Laboratory of Renal Lithiasis Research, Universitary Institute of Health Sciences Research, University of Balearic Islands, E 07122 Palma of Mallorca, Spain
Anticancer Res 25:2593-7. 2005..From these results, it can be deduced that health benefits linked to extracellular InsP6 must be related to dietary InsP6...
Effects of Mediterranean diets with low and high proportions of phytate-rich foods on the urinary phytate excretionRafael M Prieto
Laboratory of Renal Lithiasis Research, University Institute of Health Sciences Research IUNICS, University of Balearic Islands, 07122 Palma, Spain
Eur J Nutr 49:321-6. 2010..This includes the prevention of pathological calcifications such as renal calculi, dental calculi and cardiovascular calcification, due its action as crystallization inhibitor of calcium salts, and as preventive of cancer...
Kinetic versus thermodynamic factors in calcium renal lithiasisF Grases
Laboratory of Renal Lithiasis Research, University of Illes Balears, Palma de Mallorca, Spain
Int Urol Nephrol 32:19-27. 2000..The results of this evaluation were used to assess the possible effectiveness of a given pharmacological treatment...
Uric acid calculi: types, etiology and mechanisms of formationF Grases
Laboratory of Renal Lithiasis Research, Faculty of Sciences, University of Illes Balears, Ctra Valldemossa km 7 5, 07071, Palma de Mallorca, Spain
Clin Chim Acta 302:89-104. 2000....
Determination of phytic acid by gas chromatography-mass spectroscopy: application to biological samplesJ G March
Department of Chemistry, University of Balearic Islands, Palma de Mallorca, Spain
J Chromatogr B Biomed Sci Appl 757:247-55. 2001..Phytic acid amounts found in rat organs ranged from 1.07 g kg(-1) for bone to 32.0 g kg(-1) for brain. Phytic acid in human plasma was of the order of 0.14 mg l(-1). In kidney stones, phytic acid was found in calcium containing stones...
Phytate (myo-inositol hexaphosphate) and risk factors for osteoporosisA A López-González
Servicio de Prevencion de Riesgos Laborales, Gestion Sanitaria de Mallorca, Palma de Mallorca, Spain
J Med Food 11:747-52. 2008..Phytate consumption had a protective effect against osteoporosis, suggesting that low phytate consumption should be considered an osteoporosis risk factor...
Structural features of three ureterocele calculiF Grases
Laboratory of Renal Lithiasis Research, Universitary Institute for Health Sciences Research, Ed Mateu Orfila Rotger, University of Balearic Islands, Ctra Valldemossa km 7 5, 07122, Palma de Mallorca, Spain
Int Urol Nephrol 39:765-9. 2007....
A simple and rapid colorimetric method for determination of phytate in urineAntonia Costa-Bauza
Laboratory of Renal Lithiasis Research, Faculty of Sciences, University Institute of Health Sciences Research IUNICS, University of Balearic Islands, Ctra de Valldemossa, km 7 5, 07122, Palma de Mallorca, Spain
Urol Res 40:663-9. 2012..The assay can be run in most analytical laboratories and does not require sophisticated instrumentation...
Melamine urinary bladder stoneF Grases
Laboratory of Renal Lithiasis Research, Universitary Institute of Health Science Research, University of Balearic Islands, Palma de Mallorca, Spain
Urology 73:1262-3. 2009..We report a unique case of a melamine bladder urinary stone. A physiopathologic mechanism of formation is proposed and discussed...
Study of a myo-inositol hexaphosphate-based cream to prevent dystrophic calcinosis cutisF Grases
Laboratory of Renal Lithiasis Research and Biomineralization, University Institute of Health Sciences Research IUNICS, University of Balearic Islands, 07122 Palma de Mallorca, Spain
Br J Dermatol 152:1022-5. 2005..Myo-inositol hexaphosphate (InsP(6)) is a diet-dependent molecule found in all mammalian fluids and tissues, which exhibits an extraordinary capacity as a crystallization inhibitor of calcium salts...
Recurrent vesical calculi, hypercalciuria, and biochemical evidence of increased bone resorption in an adult male with paraplegia due to spinal cord injury: is there a role for intermittent oral disodium etidronate therapy for prevention of calcium phosphS Vaidyanathan
Regional Spinal Injuries Centre, District General Hospital, Southport, UK
Spinal Cord 43:269-77. 2005..However, possible side effects of etidronate, and the fact that etidronate is not licensed in United Kingdom for prevention of urolithiasis, should be borne in mind...
Anxiety and stress among science students. Study of calcium and magnesium alterationsG Grases
University of Balearic Islands, Dept Applied Pedagogy and Educational Psychology, Palma of Mallorca, Spain
Magnes Res 19:102-6. 2006..Nevertheless, stress also correlates with a urinary calcium increase which was not detected in the present study...
