Lania, Giuliana (2011) biological effect of P31-43. [Tesi di dottorato] (Unpublished)

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Item Type:	Tesi di dottorato
Lingua:	English
Title:	biological effect of P31-43
Creators:	Creators Email Lania, Giuliana giuliana.lania@gmail.com
Date:	28 November 2011
Number of Pages:	138
Institution:	Università degli Studi di Napoli Federico II
Department:	Pediatria
Scuola di dottorato:	Medicina clinica e sperimentale
Dottorato:	Riproduzione, sviluppo ed accrescimento dell'uomo
Ciclo di dottorato:	24
Coordinatore del Corso di dottorato:	nome email Pignata, Claudio UNSPECIFIED
Tutor:	nome email Barone, Maria Vittoria mv.barone@unina.it
Date:	28 November 2011
Number of Pages:	138
Uncontrolled Keywords:	celiac desease, gliadin peptide, endocytosis
Settori scientifico-disciplinari del MIUR:	Area 05 - Scienze biologiche > BIO/11 - Biologia molecolare Area 05 - Scienze biologiche > BIO/17 - Istologia Area 05 - Scienze biologiche > BIO/10 - Biochimica Area 06 - Scienze mediche > MED/12 - Gastroenterologia
Date Deposited:	07 Dec 2011 11:26
Last Modified:	17 Jun 2014 06:04
URI:	http://www.fedoa.unina.it/id/eprint/8601

Abstract

Celiac disease (CD) is an intolerance to wheat gliadin and prolamine present also in barley and rye. The intake of these cereals in the diet determines, in the small intestine, a cellular and humoral immune response in people genetically predisposed. Diagnosis of celiac disease was based, in the past, mainly on the clinic manifestations and the prevalence of the disease, which was considered rare, around 1:1000, with large differences in incidence in different geographical areas. Thanks to recent studies based on serological tests (EMA and tTG2 antibodies) it was found that celiac disease has a prevalence of around 1:100, even in those European countries such as Denmark and the Netherlands, where the estimation of the disease was known to be very low, or in the United States, where it was believed that the disease almost did not exist. This reversal of the situation can be explained by the "iceberg model", originally introduced by R. Logan in 1991, in which the visible part of the iceberg corresponds to the cases of celiac disease diagnosed because clinically evident, while the submerged part is represented by the cases not diagnosed because asymptomatic or "atypical". Furthermore, a delayed introduction of gluten in the diet, instead of preventing the development of celiac disease, as it was thought at the beginning, did nothing but increase the "atypical" onset of disease. Likely factors such as age of introduction of gluten in the diet and its quantity may influence the clinical presentation of celiac disease

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