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dc.contributor.authorYasushi Nakagawaen_US
dc.contributor.authorMauricio Carvalhoen_US
dc.contributor.authorPrida Malasiten_US
dc.contributor.authorSumalee Nimmanniten_US
dc.contributor.authorSuchai Sritippaywanen_US
dc.contributor.authorSomkiat Vasuvattakulen_US
dc.contributor.authorSomchai Chutipongtanateen_US
dc.contributor.authorVipada Chaowagulen_US
dc.contributor.authorSanga Nilwarangkuren_US
dc.contributor.otherUniversity of Chicago Pritzker School of Medicineen_US
dc.contributor.otherMahidol Universityen_US
dc.contributor.otherSanpasitthiprasong Hospitalen_US
dc.date.accessioned2018-07-24T03:52:20Z-
dc.date.available2018-07-24T03:52:20Z-
dc.date.issued2004-05-01en_US
dc.identifier.citationUrological Research. Vol.32, No.2 (2004), 112-116en_US
dc.identifier.issn03005623en_US
dc.identifier.other2-s2.0-3142679405en_US
dc.identifier.urihttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=3142679405&origin=inwarden_US
dc.identifier.urihttp://repository.li.mahidol.ac.th/dspace/handle/123456789/21670-
dc.description.abstractDistal renal tubular acidosis (dRTA) is generally associated with hypercalciuria, hypocitraturia, and nephrolithiasis. Our intention was to study glycosaminoglycans (GAGS) and nephrocalcin (NC), two well-known crystal growth inhibitors, in a population with endemic dRTA and nephrolithiasis in northeast (NE) Thailand. We studied 13 patients, six with dRTA and seven with nephrolithiasis with normal or undefined acidification function. Six healthy adults living in the same area as the patients and another six from the Bangkok (BKK) area were used as controls. We measured urinary pH, ammonia, calcium, citrate, magnesium, oxalate, potassium, sodium and uric acid. GAGS were determined by an Alcian blue precipitation method and were qualitated by agarose gel electrophoresis after being isolated using 5% cetyltrimethylammonium bromide at pH 6.0. NC isoforms were isolated as previously described by Nakagawa et al. Citrate was higher in BKK controls (p < 0.04). There was a striking difference among GAGS from BKK when compared with other groups (103.85 ± 10.70 vs. 23.52 ± 8.11 for dRTA, 22.36 ± 14.98 for kidney stone patients and 14.73 ± 2.87 mg/ml in controls from the NE region, (p < 0.0001). dRTA and stone-forming patients excrete proportionally more (C + D) than (A + B) NC isoforms (p < 0.05). Also, their NC showed a 100-fold weaker binding capacity of calcium oxalate monohydrate crystals. The ratio of chondroitin sulfate/heparin sulfate in GAGS was approximately 9/1. In addition to the traditional risk factors for nephrolithiasis in dRTA, GAGS and NC might play an important role in the pathogenesis of stone formation in this population.en_US
dc.rightsMahidol Universityen_US
dc.source.urihttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=3142679405&origin=inwarden_US
dc.subjectMedicineen_US
dc.titleKidney stone inhibitors in patients with renal stones and endemic renal tabular acidosis in northeast Thailanden_US
dc.typeArticleen_US
dc.rights.holderSCOPUSen_US
dc.identifier.doi10.1007/s00240-003-0389-zen_US
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