Chemistry: analytical and immunological testing – Biospecific ligand binding assay – Utilizing isolate of tissue or organ as binding agent
Patent
1997-07-23
1998-10-06
Duffy, Patricia
Chemistry: analytical and immunological testing
Biospecific ligand binding assay
Utilizing isolate of tissue or organ as binding agent
436513, 436518, 436519, 436547, 435 721, 435975, G01N 33567
Patent
active
058175237
ABSTRACT:
In order to diagnose the coeliac disease antiendomysial antibodies are detected through immunofluorescence techniques in culture media in which bioptic fragments of the human enteral mucosa are kept alive. The cultures of the enteral mucosa take place by dipping the bioptic fragment into nutrient liquids with or without the presence of low concentrations of peptic-tryptic digest of gliadin. The peptide fragment of gliadin containing a definite aminoacid sequence capable of production of antiendomysial antibodies to a greater extent than the PT digest, even in very little concentration, is also identified.
REFERENCES:
Ferreira et al. Endomysial antibody: is it the best screening test for coeliac disease? Gut 33:1633-1637, 1992.
Lerner et al. Immunological diagnosis of childhood coeliac disease: comparison between antigliadin, antireticulin, and antiendomysial antibodies, Clin. Exp. Immunol. 95:78-82, 1994.
Vazquez et al. Screening for asymptomatic celiac sprue in families, J. Clin. Gastroenterol. 21:130-133, 1995.
Vogelsang et al. Screening for celiac disease: a prospective study on the value of noninvasive tests, 90:394-398, 1995.
Ascher et al. A new laboratory kit for antigliadin IgA at diagnosis and follow-up of childhood celiac disease, J. Pediatric Gastroenterol. 10:443-450, 1990.
Devine et al. Screening and monitoring coeliac disease: multicentre trial of a new serum antibody test kit, Disease Markers 12:71-80, 1994.
Berger et al. Evaluation of six anti-gliadin antibody assays, J. Immunol. Methods 191:77-86, 1986.
Duffy Patricia
Pellegrino Susan
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