1991
DOI: 10.3109/00313029109061447
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Urine hydroxyproline: A potential error in quantification and a proposed procedure for its measurement

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Cited by 3 publications
(3 citation statements)
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“…A reliable quantitative method for both PBG and ALA, using small anion and cation exchange columns to separate interfering substances before adding Ehrlich's reagent, was developed by Mauzerall and Granick 111 and is still widely used, sometimes with minor modifications. 112,113 In this method, ALA is separated and then reacted to form a pyrrole, which is then also measured using Ehrlich's reagent. 111 A spin column has been described to measure PBG more rapidly.…”
Section: B First-line Testing For Acute Porphyriasmentioning
confidence: 99%
“…A reliable quantitative method for both PBG and ALA, using small anion and cation exchange columns to separate interfering substances before adding Ehrlich's reagent, was developed by Mauzerall and Granick 111 and is still widely used, sometimes with minor modifications. 112,113 In this method, ALA is separated and then reacted to form a pyrrole, which is then also measured using Ehrlich's reagent. 111 A spin column has been described to measure PBG more rapidly.…”
Section: B First-line Testing For Acute Porphyriasmentioning
confidence: 99%
“…A dosagem de hidroxiprolina em fluidos ou em tecidos biológicos já é amplamente utilizada para avaliar os níveis de degradação do colágeno em análises experimentais 28 ou clínicas nas amostras de pacientes 29 . A análise desses marcadores oferece muitas vantagens na prática clínica, desde que sejam não-invasivo, pois podem ser realizadas muitas vezes e detectam alterações nesses níveis em um curto espaço de tempo 7 .…”
Section: Discussão E Conclusãounclassified
“…Além disso, outros marcadores de obstrução aérea no soro de pacientes com DPOC vêm sendo caracterizados, como os níveis circulantes mais elevados da E-selectina que se correlacionou com o VEF 1 (% prev.) 29 . Estes dados sugeriram fortemente a ativação e recrutamento de neutrófilos na DPOC, pois a E-selectina é um receptor de superfície destas células.…”
Section: Discussão E Conclusãounclassified