Detection of a carbohydrate biomarker directly associated with c

Chemistry: analytical and immunological testing – Heterocyclic carbon compound – Hetero-o

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436 93, 436127, 436129, 436131, 436161, 436162, 436169, 422 56, 422 61, G01N 3300, G01N 3090, G01N 3002, G01N 2177

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Patent

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active

Patent number

059587857

Description

ABSTRACT:
Chronic or long-term alcohol consumption is detected and diagnosed by determining the levels of an alcohol-specific ethanol glycoconjugate biomarker, identified as ethyl .beta.-glucuronide, in body fluids (e.g. urine) of subjects by calorimetric reaction using qualitative and quantitative assay methods. Ethyl glucuronide has been newly observed and detected as a direct indicator of chronic alcohol consumption, and can be isolated and purified. Economical and reproducible assay methods, such as a chromatographic spot assay, ascending or thin layer chromatography assay, and high pressure liquid chromatography assay provide reliable, objective, and sensitive methods for detecting and monitoring a chronic alcoholic condition. Both the presence of the alcohol-specific ethyl glucuronide and a substantial increase in its levels are diagnostic of chronic alcoholism. Since ethyl glucuronide is produced and appears as a direct response to chronic alcohol intake as determined by the present methods, this carbohydrate is considered to be a unique biomarker for the detection of alcoholism, with virtually no possibility of false positive results.

REFERENCES:
patent: 2524414 (1950-10-01), Wolfrom
patent: 2845439 (1958-07-01), Reiners
patent: 4246347 (1981-01-01), Neidleman et al.
patent: 4463098 (1984-07-01), Hoberman
patent: 4514563 (1985-04-01), Fujiyama et al.
patent: 4575551 (1986-03-01), Fujiyama et al.
patent: 4770996 (1988-09-01), Tabakoff
patent: 4837144 (1989-06-01), Sugiyama
patent: 5747346 (1998-05-01), Pullarkat et al.
T. Kozu, 1973, "Gas Chromatographic Analysis of Ethyl-.beta.-D-Glucuronide in Human Urine", Shinshu Igaku Zasshi, Shinsu Medical Journal, 21 (5)(6), 595-601.
P.I. Jaakonmaki et al., 1967, "The Characterization by Gas-Liquid Chromatography of Ethyl .beta.-D-Glucosiduronic Acid as a Metabolite of Ethanol in Rat and Man", Eur J. Pharmacol., 1:63-70.
J.E. Manautou and G.P. Carlson, 1992, "Comparison of Pulmonary and Hepatic Glucuronidation and Sulphation of Ethanol in Rat and Rabbit in vitro", Xenobiotica, 22(11):1309-1319.
I.A. Kamil et al., 1952, "A New Aspect of Ethanol Metabolism: Isolation of Ethyl Glucuronide," Biochem. J., 51:22-23.
K. Kawahara et al., i Biochim. Biophys. Acta 1982, 712, 571-575.
R.K. Pullarkat et al., Alcohol. Clin. Exp. Res. 1985, 9, 28-30.
J.M. Bobbitt, "Thin Layer Chromatography" 1963, (Chapter 5) Reinhold Publishing Corporation; New York, 61-63.
H. Stibler et al., Alcohol. Clin. Exp. Res. 1986, 10, 61-64.
J. Iwamura et al., Chem. Abstr. 1986, 105, 108686d.
Y. Israel et al., Proc. Natl. Acad. Sci. 1986, 83, 7923-7927.
B.K. Tang et al., Biochem. Biophys. Res. Commun. 1986, 140, 924-927.
I.A. Kamil et al., Biochem. J. 1953, 53, 129-136.
I.A. Kamil et al., Biochem. J. 1953, 53, 390-392.
H.R. Bollinger et al., "Thin-Layer Chromatorgraphy A Laboratory Handbook" E. Stahl ed. 1965, Springer Verlag: New York, 14-25, 461-469, and 483-501.
T. Kozu, Chem. Abstr. 1975, 83, 126992g.
Z. Zilic, J. Chromatog. 1979, 164, 91-94.
D.M. Chalmers et al., Gut, 1981, 22, 992-996.
K.O. Lewis et al., Brit. Med. J., 1981, 283, 1531-1532.
E.L. Storey et al., Lancet, 1987, 1292-1293.
A. Sieg et al., Gastroenterology, 1987, 93, 261-265.
R.P. Roine et al., Alcohol. Clin. Exp. Res., 1987, 11, 525-527.
B. Tabakoff et al., New Eng. J. Med., 1988, 318, 134-139.
R. Klaus et al., Methods Enzymol., 1988, 160, 159-175.
H. Stibler et al., Alcohol., 1988, 5, 393-398.
S.S. Narayan et al., Xenobiotica, 1991, 21, 515-524.
B.Y. Lee et al., Chem. Abstr., 1993, 118, 187131P.
I. Smith, "Chromatogrphic Techniques" Interscience Publishers, Inc.: New York, 1958, pp. 164-177.
R.T. Williams, "Detoxication Mechanisms" John Wiley & Sons Inc: New York, 1959, pp. 46-55.
J. Kocourek et al., J. Chromatog., 1966, 24, 177-124.
T. Mizuno et al., Shizuoka Daigaku Nogakubu Kenyu Hokoku, 1971, 29-37.
T. Kartnig et al., J. Chromatog., 1971, 61, 375-377.
T. Kartnig et al., Plant Med., 1972, 21, 144-149.
H.A.G. Muller et al., Clin. Chim. Acta, 1977, 78, 17-21.
O.N. Iizima et al., J. Chromatog., 1980, 193, 464-469.
T. Kawada et al., Agric. Biol. Chem., 1985, 49, 441-448.
E. Mentasti et al., J. Chromatog., 1985, 322, 177-189.
F. Caccamo et al., J. Chromatog., 1986, 362, 47-53.
J. G. Streeter, Plant. Physiol., 1987, 85, 768-773.
B.Y. Lee et al., LC-GC, 1992, 10, 884-887.
G. Schmitt et al., J. Analyt. Toxicol., 1995, 19.
G.J. Dutton et al., Biochem J., 1969, 112:16P.

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