Research Topics
Species | R TorresSummaryCountry: Spain Publications
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Publications
Carrier and prenatal diagnosis of Lesch-Nyhan disease due to a defect in HPRT gene expression regulationRosa J Torres
Department of Clinical Biochemistry, Metabolic Vascular Unit, IdiPAZ, La Paz University Hospital, Madrid, Spain
Gene 511:306-7. 2012..These patients presented a decreased HPRT1 expression of unknown cause. This is the first report of a carrier and prenatal diagnosis of LND due to a defect in HPRT gene expression regulation...
[Variant phenotype of Lesch-Nyhan syndrome]Rosa Torres Jiménez
Unidad Metabolicovascular, Servicio de Bioquímica Clínica y Medicina Interna, IdiPAZ, Hospital Universitario La Paz, Madrid, Espana
Med Clin (Barc) 136:63-6. 2011..We report a patient presenting a variant phenotype and a major genetic defect. The mutation has been previously reported as always associated with complete Lesch-Nyhan phenotype...
Partial HPRT deficiency phenotype and incomplete splicing mutationR J Torres
Divisions of Clinical Biochemistry and Internal Medicine, La Paz University Hospital, Madrid, Spain
Nucleosides Nucleotides Nucleic Acids 29:295-300. 2010..It is possible that the amount of normally splice mRNA vary among different tissues...
The diagnosis of HPRT deficiency in the 21st centuryR J Torres
Division of Clinical Biochemistry, La Paz University Hospital, Madrid, Spain
Nucleosides Nucleotides Nucleic Acids 27:564-9. 2008....
Hypoxanthine-guanine phosophoribosyltransferase (HPRT) deficiency: Lesch-Nyhan syndromeRosa J Torres
Division of Clinical Biochemistry, La Paz University Hospital, Madrid, Spain
Orphanet J Rare Dis 2:48. 2007..Self-injurious behaviour must be managed by a combination of physical restraints, behavioural and pharmaceutical treatments...
Efficacy and safety of allopurinol in patients with hypoxanthine-guanine phosphoribosyltransferase deficiencyRosa J Torres
Division of Clinical Biochemistry, La Paz University Hospital, Madrid, Spain
Metabolism 56:1179-86. 2007..Xanthine lithiasis, developing as a consequence of allopurinol therapy, should be preventable by adjustment of allopurinol dose...
[Preclinical diagnosis of the familial nephropathy associated to hyperuricemia]R Torres
Servicios de Bioquímica Clínica, Hospital Universitario La Paz, Universidad Autonoma de Madrid
Nefrologia 26:382-6. 2006..This patient shows the possibility to identify the genetic alteration associated to FJHN in early stages. This fact implies a clinical follow-up and eventual treatment to reduce the inexorable progression to renal insuffciency...
Adenosine transport in peripheral blood lymphocytes from Lesch-Nyhan patientsRosa J Torres
Clinical Biochemistry Division, La Paz University Hospital, Paseo de la Castellana 261, 28046 Madrid, Spain
Biochem J 377:733-9. 2004..This indicates that hypoxanthine affects adenosine transport in control and hypoxanthine-guanine phosphoribosyltransferase-deficient cells by different mechanisms...
Normal HPRT coding region in complete and partial HPRT deficiencyMarta G García
Division of Clinical Biochemistry, La Paz University Hospital, Madrid, Spain
Mol Genet Metab 94:167-72. 2008..This is the first report of a patient with Lesch-Nyhan syndrome due to a defect in HPRT gene expression regulation...
The pathophysiology of hyperuricemia in essential hypertension: a pilot studyJuan G Puig
Division of Internal Medicine, Hospital La Paz, Madrid, Spain
Nucleosides Nucleotides Nucleic Acids 23:1197-9. 2004..Simultaneously, urinary sodium to creatinine ratio decreased by a mean of 54%. These results suggest that insulin may mediate uric acid underexcretion due to its tubular sodium retaining effect in essential hypertensive patients...
Phosphoribosylpyrophosphate synthetase overactivity as a cause of uric acid overproduction in a young womanPablo Garcia-Pavia
La Paz University Hospital, Madrid, Spain
Arthritis Rheum 48:2036-41. 2003..This is the first reported instance of PRS overactivity in which the propositus and sole affected family member is a woman...
Uric acid metabolism in patients with primary gout and the metabolic syndromeJ M Fraile
Division of Internal Medicine, La Paz University Hospital, Madrid, Spain
Nucleosides Nucleotides Nucleic Acids 29:330-4. 2010..42 mg/mg in patients with gout and mild MS and 0.33 mg/mg in gout patients with severe MS. Uric acid underexcretion appears to be more severe in gout patients with the MS. This disturbance appears to be related to the severity of the MS...
Genetic mapping studies of familial juvenile hyperuricemic nephropathy on chromosome 16p11-p13Joanna M Stacey
Molecular Endocrinology Group, Nuffield Department of Medicine, Botnar Research Center, University of Oxford, Oxford, United Kingdom OX3 7LD
J Clin Endocrinol Metab 88:464-70. 2003..These results will facilitate the characterization of this gene regulating urate metabolism...
Delineation of the motor disorder of Lesch-Nyhan diseaseH A Jinnah
Department of Neurology, University of Maryland School of Medicine, Baltimore, MD, USA
Brain 129:1201-17. 2006..Explanations for the differing observations available in the literature are provided, along with a summary of how the motor disorder of LND relates to current understanding of its pathophysiology involving the basal ganglia...
