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La cinetica del glucosio indagata con metodo non radioisotopico

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Riassunto

Viene presentato e discusso un metodo non radioisotopico per l'indagine clinica della cinetica del glucosio. La misura della fase compartimentalizzata extracellulare del glucosio, il suo ritmo e tasso di rinnovamento sono stati determinati in un totale di 51 soggetti fra normali e diabetici. I valori di questi parametri sono apparsi assai vicini a quelli ottenuti mediante le indagini del rinnovamento del glucosio14C.

Queste ed altre misure fornite dal metodo, in particolare la percentuale del carico trasferita entro 1 h nelle cellule, sono risultate significative per la diagnosi precoce della malattia diabetica nella sua fase latente nonchè quali criteri di valutazione del disordine glicoregolativo.

Resume

L'A. présent une méthode non radioisotopique pour l'étude clinique de la cinétique du glucose. La mesure de la phase compartimentalisée extracellulaire du glucose, son rhitme et le taux de renouvellement ont été déterminés dans 51 sujets normaux et diabétiques. Les valeurs de ces paramètres se sont demontrées très proches de celles obtenues par l'étude du renouvellement du glucose C14. Ces mesures et d'autres déterminées par la méthode, entre lesquelles en particulier le pourcentage du charge transféré dans 1 h dans les cellules, ont une valeur significative pour le diagnostic précoce de la maladie diabétique dans sa phase latente et sont aussi très utiles dans la valutation du désordre de la glycorégulation.

Resumen

Se presenta y se discute un método no radioisotópico para el ensayo clínico de la cinética de la glucosa. La medición de la fase compartimental extracelular de la glucosa, su ritmo y su tasa de renovación han sido determinadas en un total de 51 sujetos, entre normale y diabéticos. Los valores de estos parámetros aparecen muy cerca de los obtenidos mediante los ensayos de renovación de la glucosa-14C. Estas y otras medidas indicadas por el método, sobre todo el porcentaje de la carga trasladada en 1 h dentro de las células, han resultado significativas para el diagnóstico precoz de la enfermedad diabética en su fase latente; sirviendo además como criterios de evaluación del desorden de regulación de la glucosa.

Zusammenfassung

Es wird eine nicht Radioisotopenmethode fuer die klinische Untersuchung der Kinetik der Glukose aufgefuehrt und diskutiert. Das Ausmass der in Abteile aufgeteilten extrazellulaeren Glukosephase, der Rhythmus und das Erneuerungsniveau wurden insgesamt in 51 Personen (normale Personen und Diabetiker) ermittelt. Die Werte dieser Parameter aehnelten sehr denjenigen, die durch die Untersuchungen der Glukose-14C-Erneuerung ermittelt wurden. Dieses und andere durch die Methode gelieferte Masse, insbesondere der Prozentsatz der innerhalb 1 Stunde in die Zellen uebertragenen Belastung, erwiesen sich fuer die Fruehdiagnose des Diabetes in seiner latenten Phase sowie als Bewertungskriterium der Kohlenhydrat-Stoffwechselstoerungen signifikant.

Summary

We have presented and discussed a non-radioisotope method for clinical research of the kinetics of glucose. Values for the extracellular compartment pool of glucose, its rate-factor and its turnover rate were determined in 51 subjects, either normal or diabetic. The values of these parameters were found to be very close to those obtained by tests concerning the turnover of14C-glucose.

These and other values obtained with the method, and in particular the percentage of the amount injected transferred within the period of 1 h into the cells, are seen to be of value in the early diagnosis of diabetes in its latent phase, and also as yardsticks in glycoregulatory disorders.

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Divisione di Medicina Dell'Ospedale «Alberti» S. Giovanni Valdarno

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Gallini, R. La cinetica del glucosio indagata con metodo non radioisotopico. Acta diabet. lat 5, 40–63 (1968). https://doi.org/10.1007/BF01548365

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